Abstract

A plate heat exchanger includes a number of first heat exchange plates and a number of second heat exchange plates. The plate heat exchanger has a first inter-plate channel and a second inter-plate channel. The first inter-plate channel is located between a front surface of the second heat exchange plate and an adjacent first heat exchange plate. The second inter-plate channel is located between a back surface of the second heat exchange plate and another adjacent first heat exchange plate. The first heat exchange plate has a first flat joint portion and a second flat joint portion. The front surface of the second flat joint portion is spaced apart from an adjacent first flat joint portion. The plate heat exchanger includes at least one connection portion connecting the front surface of the second flat joint portion and the adjacent first flat joint portion.

IPC Classes  ?

• F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
• F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall

Abstract

A heat exchanger includes a main body portion and a cover. The main body portion includes a heat exchange core, a collecting pipe portion and a first mounting shell. The collecting pipe portion includes a first collecting pipe portion and a second collecting pipe portion. Both the first collecting pipe portion and the second collecting pipe portion are provided with mounting end plates. Two ends of the first mounting shell are hermetically connected to the mounting end plates by brazing. The first mounting shell encloses part of the heat exchange core in a circumferential direction. Two ends of the cover are hermetically connected to the mounting end plates by bonding. The cover and the first mounting shell are arranged in an enclosing manner in the circumferential direction. The heat exchanger improves stability and reliability. A manufacture method of the heat exchanger is also disclosed.

IPC Classes  ?

• F28D 7/16 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
• F28F 9/18 - Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
• F28F 9/26 - Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators

Abstract

A gas detection device (100), comprising: a detection unit (21) comprising a detection housing (201) and having a gas chamber (300), the detection housing (201) being at least partially positioned at the periphery of the gas chamber (300) and having a fitting hole (202), and the fitting hole (202) being in communication with the gas chamber (300); a circuit board (22) electrically connected to the detection unit (21); and a housing (10), the detection unit (21) being at least partially positioned inside the housing (10), the circuit board (22) being at least partially positioned inside the housing (10), the housing (10) having a vent hole (101) in communication with the fitting hole (202), the vent hole (101) being in communication with the outside of the gas detection device (100), and the housing (10) being an integral piece. The gas detection device (100) has simple manufacturing and mounting processes.

IPC Classes  ?

• G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
• G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
• G01L 11/00 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group or
• G01N 21/01 - Arrangements or apparatus for facilitating the optical investigation

Abstract

A measurement assembly (100), comprising a lead-out electrode (2) and a conductive terminal (3). The conductive terminal (2) is provided with a first end portion (311) and a second end portion (312), the first end portion (311) is provided with a first tail end (313), and the second end portion (312) is provided with a second tail end (314). In the extension direction of the conductive terminal (3), the lead-out electrode (2) and the first end portion (311) are located at the same side of the second end portion (314), and the lead-out electrode (2) and the second end portion (312) are located at the same side of the first tail end (313); or the lead-out electrode (2) and the second end portion (312) are respectively located at different sides of the first tail end (313), and the extension direction of the lead-out electrode (2) is perpendicular to that of the conductive terminal (3). Thus, the deformation of the lead-out electrode under the action of an external force can be reduced. A sensing apparatus, comprising the measurement assembly (100), a housing (5), and a circuit board (6). The housing (5) is connected to the circuit board (6), the measurement assembly (100) is electrically connected to the circuit board (6), and the whole measurement assembly (100) has a relatively low height, so that the overall size of the sensing apparatus is relatively small. Also provided is a manufacturing method for the sensing apparatus. A base (4) and the housing (5) are respectively connected to the circuit board (6), so that the difficulty of assembling the base (4) and the housing (5) is reduced, and thus, the manufacturing difficulty of the sensing apparatus is reduced.

IPC Classes  ?

• G01N 27/02 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
• G01D 11/00 - Component parts of measuring arrangements not specially adapted for a specific variable

Abstract

A heat exchanger comprising a first base body and a second base body, wherein an outer surface of at least one of the first base body and the second base body is provided with first grooves, the first grooves are filled with an adhesive or solder, and the adhesive or the solder filled in the first grooves makes contact with the first base body and the second base body, so that the connection between the first base body and the second base body is reliable. A manufacturing method for the heat exchanger comprises the following steps: providing the first base body and the second base body, wherein the outer surface of at least one of the first base body and the second base body is provided with a plurality of grooves, and the outer surface of at least one of the first base body and the second base body is coated with the adhesive or the solder, so that some of the plurality of grooves are filled with the adhesive or the solder; and assembling the first base body and the second base body, so that the adhesive or the solder filled in the grooves makes contact with both the first base body and the second base body, and curing the adhesive or the solder to connect the first base body and the second base body. With the manufacturing method of the present application, a heat exchanger that is capable of being reliably connected between the first base body and the second base body can be manufactured.

IPC Classes  ?

• F28D 1/053 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight

Abstract

A thermal management system includes a cooling liquid circulation flow path, a refrigerant circulation flow path and a first heat exchanger. The first heat exchanger includes a first heat exchange portion and a second heat exchange portion. The cooling liquid circulation flow path includes a first heat exchange assembly, a second heat exchange assembly and a first branch. The thermal management system has a heating mode. After passing through the first heat exchange assembly, one path of the cooling liquid flows to the first branch, and another path of the cooling liquid flows to the second heat exchange assembly. The cooling liquid after flowing through the first branch and after flowing through the second heat exchange assembly merge and then flow to the first heat exchange portion. As a result, the number of heat exchangers used by the thermal management system to recover waste heat is reduced.

IPC Classes  ?

• B60H 1/00 - Heating, cooling or ventilating devices
• H01M 10/613 - Cooling or keeping cold
• H01M 10/625 - Vehicles
• H01M 10/6568 - Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
• B60H 1/03 - Heating, cooling or ventilating devices the heat being derived from the propulsion plant and from a source other than the propulsion plant

Abstract

A microchannel flat tube applicable in a microchannel heat exchanger includes a flat tube body and a row of channels. The row of channels is arranged in the flat tube body along a width direction. The row of channels extends through the flat tube body along a length direction. A cross-section of each channel includes a first width in the width direction and a first height in a thickness direction. The row of channels at least includes a first group of first channels, a second group of second channels and a third group of third channels along the width direction. The first widths of the first channels, the second channels and the third channels decrease at a fixed value, thereby facilitating the control of the thickness of the microchannel flat tube and improving the heat exchange efficiency.

IPC Classes  ?

• F28F 1/02 - Tubular elements of cross-section which is non-circular
• F28F 1/12 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
• F28F 1/24 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely

Abstract

Provided is a thermal management system. A compressor comprises a first flow channel for circulating a refrigerant and a second flow channel for circulating a cooling liquid, the first flow channel of the compressor being not in communication with the second flow channel of the compressor. The thermal management system can simultaneously execute a first refrigerating mechanism and a cooling mechanism, and can realize thermal management of both a vehicle compartment and a compressor; in the cooling mechanism, the cooling liquid flows through the second flow channel of the compressor, then waste heat of the compressor is brought to a third heat exchanger (14) by means of circulation flow of the cooling liquid, and heat is released into an atmospheric environment by means of the third heat exchanger (14), thereby reducing the temperature of the cooling liquid, and the compressor is cooled by means of circulation flow of the cooling liquid, such that the temperature of the refrigerant at an inlet of a compression assembly of the compressor is low, the concentration of the compressed refrigerant is high, such that the compression efficiency of the compressor can be increased, thereby increasing the working efficiency of the compressor.

IPC Classes  ?

• B60H 1/00 - Heating, cooling or ventilating devices

Abstract

A heat exchanger, a manufacturing method thereof and a thermal management system are provided. The heat exchanger includes a metal substrate having a fluid channel for circulating a heat exchange medium, and a coating layer coated on at least part of a surface of the metal substrate. The coating layer includes a rare earth conversion film containing a rare earth element-containing compound, and a hydrophobic film. The rare earth conversion coating film is arranged to directly cover at least part of a surface of the metal substrate of the heat exchanger, and at least part of the hydrophobic coating layer is further away from the metal substrate than the rare earth conversion film. The heat exchanger is provided with hydrophobicity by the coating layer, which facilitates the discharge of condensed water, and improves the corrosion resistance and prolongs the service life of the heat exchanger.

IPC Classes  ?

• F28F 21/08 - Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
• F28F 19/06 - Preventing the formation of deposits or corrosion, e.g. by using filters by using coatings, e.g. vitreous or enamel coatings of metal

Abstract

A plate heat exchanger includes a number of first heat exchange plates and a number of second heat exchange plates. The first heat exchange plate includes a first wave crest and a first wave trough. The second heat exchange plate includes a second wave crest and a second wave trough. Along a thickness direction, a maximum distance between the first wave crest and the first wave trough is h. In a direction of a shortest line connecting tops of adjacent first wave crests, a minimum connecting width of the first wave trough and the second wave crest is W1, and a minimum connecting width of the first wave crest and the second wave trough is W2. At least one of a ratio of W1/h and a ratio of W2/h is within a range of 0.25 to 2.5 to ensure the connection strength between adjacent heat exchange plates.

IPC Classes  ?

• F28F 3/02 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
• F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
• F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element

Abstract

A sensor device includes a housing, a circuit substrate, a sensing element, and a sleeve. The sensor device further includes an inner cavity and a channel located on different sides of the circuit substrate, respectively. The sleeve has a cylinder wall located on a periphery of the channel. A tail end of the cylinder wall in an axial direction of the channel is sealably connected to the circuit substrate. The housing is provided with a matching part including an accommodation part and a first peripheral wall part forming the accommodation part. The sleeve is at least partially accommodated in the accommodation part. The first peripheral wall part is sealably connected to the cylinder wall. The inner cavity is not communicated with the channel. The sealing performance between the inner cavity of the sensor device and the channel is good. Also provided is a valve assembly having the sensor device.

IPC Classes  ?

• H05K 5/06 - Hermetically-sealed casings
• H05K 5/02 - Casings, cabinets or drawers for electric apparatus - Details

Abstract

A thermal management system includes a refrigerant system and a coolant system. The refrigerant system includes a compressor, an indoor heat exchanger, a first flow regulating device, a first heat exchanger and an outdoor heat exchanger. The outdoor heat exchanger includes a first port and a second port. The first flow regulating device has a bi-directional throttling function. The first heat exchanger includes a first heat exchange section and a second heat exchange section. The thermal management system has a heating mode and a cooling mode which can be achieved by the same first flow regulating device. A control method of the thermal management system is also disclosed.

IPC Classes  ?

• B60H 1/00 - Heating, cooling or ventilating devices

Abstract

A gas detection device, comprising a housing, a circuit board, and a detection unit. The detection unit comprises a detection shell, a light source module, and a detection probe, and the light source module and the detection probe are respectively arranged at the two ends of the detection shell in the direction of length and are respectively electrically connected to the circuit board. A first straight line and a second straight line are defined on a plane perpendicular to the direction of height of the gas detection device, the detection shell has a first projection on the plane, the first straight line extends along the direction of length of the first projection, the second straight line extends along the direction of width or the direction of length of the gas detection device, and the first straight line is obliquely arranged at an acute angle relative to the second straight line. The gas detection device of the present application expands the mounting space of the detection unit, so as to lengthen a distance between the light source module and the detection probe to improve the light absorption effect of a target gas, thereby facilitating the improvement of the detection precision of the gas detection device.

IPC Classes  ?

• G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
• G01N 21/01 - Arrangements or apparatus for facilitating the optical investigation

Abstract

A control apparatus and an air conditioning device having the control apparatus. The control apparatus comprises a housing (10) and a circuit board assembly; the circuit board assembly comprises a circuit board (20), a processing chip (30), a gas detection probe (40), and a controllable switch element (50); the circuit board (20) is located in the housing (10); the processing chip (30), the gas detection probe (40), and the controllable switch element (50) are all mounted on the circuit board (20); the circuit board (20) is limitedly connected or fixedly connected to the housing (10); the gas detection probe (40) is electrically connected to the processing chip (30); the processing chip (30) is used for acquiring target gas information in an environment by means of the gas detection probe (40); a control end of the controllable switch element (50) is electrically connected to the processing chip (30); an output end of the controllable switch element (50) is electrically connected to an external device; and the processing chip (30) is used for controlling the connection or disconnection of the controllable switch element (50) at least according to the target gas information, so as to control the change of an electrical signal of the external device. The mounting complexity of the control apparatus is reduced.

IPC Classes  ?

• F25B 49/00 - Arrangement or mounting of control or safety devices
• F24F 11/89 - Arrangement or mounting of control or safety devices

Abstract

An electric valve, comprising a stator assembly, a valve component, a valve body, a first sealing member and a sleeve; the stator assembly is located at the periphery of the sleeve and is limitingly connected to the valve body; the stator assembly is provided with a first recessed part, which is located between the valve component and the stator assembly; at least part of the opening of the first recessed part faces toward the valve body, and the first sealing member is located in the recessed part.

IPC Classes  ?

• F16K 41/04 - Spindle sealings with stuffing-box with at least one ring of rubber or like material between spindle and housing
• F16K 31/04 - Operating means; Releasing devices magnetic using a motor

Abstract

An electric valve and a thermal management system. The electric valve comprises a pressure sensing unit. The pressure sensing unit is connected to a valve seat, and the pressure sensing unit can sense the pressure characteristics of a working medium in a detection flow channel) and form a piezoelectric signal. An electric control portion comprises an electric control board. The piezoelectric signal forms, by means of a conditioning circuit, an electrical signal corresponding to a pressure. The electrical signal is used as a part for generating a signal for controlling a driving portion.

IPC Classes  ?

• B60H 1/32 - Cooling devices

Abstract

A processing method of a heat exchanger and a heat exchanger are provided. The processing method includes following steps. A heat exchanger and a composite material is provided, where the heat exchanger includes a collecting pipe, a fin and a heat exchange tubes. The heat exchange tube is fixed to the collecting pipe. An inner cavity of the heat exchange tube is communicated with an inner cavity of the collecting pipe. At least part of the fin is retained between two adjacent heat exchange tubes. The composite material includes a solvent and an organosilane-based modified material with low surface energy. The composite material is coated on at least part of an outer surface of at least one of the collecting pipe, the heat exchange tube and the fin, and the composite material is cured. The heat exchanger obtained according to the present disclosure shows better hydrophobic performance.

IPC Classes  ?

• F28F 9/02 - Header boxes; End plates
• B23P 15/26 - Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers

Abstract

A heat exchanger and a processing method of heat exchanger. The heat exchanger includes a collecting pipe, a fin and a number of heat exchange tubes. The heat exchange tubes are fixed with the collecting pipe. At least part of the fin is fixed between two adjacent heat exchange tubes. The heat exchanger includes a coating with a first matching coating which is in direct contact with at least one of the collecting pipe, the heat exchange tubes and the fin; or, at least one functional films is further spaced between the first matching coating and at least one of the collecting pipe, the heat exchange tubes and the fin. The first matching coating includes a hydrophobic material and a filler of nanoparticle type.

IPC Classes  ?

• F28F 1/10 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
• F28F 19/02 - Preventing the formation of deposits or corrosion, e.g. by using filters by using coatings, e.g. vitreous or enamel coatings
• C09D 183/08 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
• C09D 5/02 - Emulsion paints
• C23C 22/48 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
• C09D 7/20 - Diluents or solvents
• C09D 7/61 - Additives non-macromolecular inorganic
• C09D 7/40 - Additives

Abstract

A heat exchanger, a processing method of a heat exchanger and a composite material, wherein the heat exchanger includes a collecting pipe, a fin and a number of heat exchange tubes. Each of the heat exchange tubes is fixed to the collecting pipe, and an inner cavity of the heat exchange tube is communicated with an inner cavity of the collecting pipe. The fin is retained between two adjacent heat exchange tubes. The heat exchanger further includes a coating layer which is coated on an outer surface of at least one of the collecting pipe, the heat exchange tube and the fin. The coating layer includes micro-nano particles and a polymer obtained by polymerizing monomers including allylic monomers with hydrophilic groups. The micro-nano particles include silicon dioxide and/or titanium dioxide. The coating layer of the heat exchanger has excellent hydrophilic durability.

IPC Classes  ?

• F28F 21/08 - Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal

Abstract

A rotor assembly being an injection molded piece, and comprising a first shaft sleeve and a rotor; a first injection molded body is formed by using the rotor and the first shaft sleeve as injection molding inserts to pass through injection molding; a second injection molded body is formed by at least using the first injection molded body as an injection molding insert to pass through injection molding; the second injection molded body comprises a lower cover plate and a wrapping layer, the wrapping layer wrapping around at least a portion of the outer peripheral surface of the first injection molded body; the rotor assembly further comprises blades, the blades being fixedly connected to the lower cover plate or the blades forming an integrated structure with the lower cover plate.

IPC Classes  ?

• H02K 1/30 - Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
• H02K 1/278 - Surface mounted magnets; Inset magnets
• H02K 15/03 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
• H02K 15/12 - Impregnating, heating or drying of windings, stators, rotors or machines
• F04D 29/22 - Rotors specially for centrifugal pumps
• F04D 13/06 - Units comprising pumps and their driving means the pump being electrically driven

Abstract

A heat exchanger includes a collecting pipe, a number of heat exchange tubes and a distributor. The collecting pipe has a first cavity and a first inner peripheral wall. The heat exchange tube has a second cavity. The distributor is accommodated in the first cavity. The distributor has a main cavity and a flow channel. The distributor includes a second inner peripheral wall forming the main cavity and a first outer peripheral wall. An axis of the first outer circle is not coaxial with an axis of the second outer circle, so that the flow channel of the distributor is relatively tortuous. It is beneficial to improve the distribution effect of a fluid. Besides, since the flow channel is formed inside the distributor, it is also beneficial to reduce the manufacturing difficulty of the distributor. A method for making the heat exchanger is also disclosed.

IPC Classes  ?

• F28D 7/16 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation

Abstract

A gas concentration measurement device, comprising a housing, a circuit board assembly and a waterproof and gas-permeable film. The gas concentration measurement device has an inner cavity, in which at least part of the circuit board assembly is located. The circuit board assembly comprises a circuit board and a gas sensor, the gas sensor being mounted on the circuit board. The housing comprises an outer surface and an inner surface, which is closer to the inner cavity than the outer surface. The housing has a vent hole penetrating the inner surface and the outer surface, the waterproof and gas-permeable film is arranged on an inner-surface side of the housing, and at least part of the waterproof and gas-permeable film is located between the vent hole and the inner cavity. The gas concentration measurement device further comprises a support, at least part of the support is located in the inner cavity, the support fits with the housing, the waterproof and gas-permeable film is attached to the inner surface of the housing, and at least part of the waterproof and gas-permeable film is clamped between the support and the inner surface of the housing, which reduces the risk of the waterproof and gas-permeable film falling off, thereby prolonging the service life of the gas concentration measurement device.

IPC Classes  ?

• G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups

Abstract

A gas detection probe includes a shell and a detection element. The detection element includes a first element and a second element. The shell includes a first shell portion, a second shell portion, and a third shell portion. The second shell portion and the third shell portion are mated and formed on an outer periphery of the first shell portion. The shell has a first cavity and a second cavity. The first shell portion is in sealing engagement with the third shell portion. The second shell portion is provided with a guide hole portion communicated with the second cavity. The first element is accommodated in the first cavity. The second element is accommodated in the second cavity. The gas detection probe of the present disclosure is more beneficial to realize miniaturization. A manufacturing method of the gas detection probe is also disclosed.

IPC Classes  ?

• G01N 27/04 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
• G01M 3/16 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means

Abstract

The present application provides a processing method for a heat exchanger and a heat exchanger. The processing method for a heat exchanger comprises the following steps: providing a heat exchanger, the heat exchanger comprising a manifold, a fin and a plurality of heat exchange pipes fixed together, inner cavities of the heat exchange pipes communicating with an inner cavity of the manifold, and the fin being fixedly connected between two adjacent heat exchange pipes; and performing sandblasting on the heat exchanger, so that a rough surface is formed on at least a part of an outer surface of a metal substrate corresponding to at least one among the manifold, the fin, or the heat exchange pipes. Sandblasting is beneficial for removing attached impurities on the outer surface of the metal substrate and reducing the dangerousness and pollution of the process; meanwhile, the rough surface formed after passing through sandblasting is beneficial for improving the adhesive ability of the metal substrate of the heat exchanger to bind with other coating materials.

IPC Classes  ?

• F28D 1/053 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
• F25B 39/00 - Evaporators; Condensers
• C09D 1/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances

Abstract

A control system and a control method, which can control an electronic expansion valve. The method comprises: acquiring a temperature signal of an electronic expansion valve outlet and a pressure signal of the electronic expansion valve outlet; determining a first current degree of superheat on the basis of the temperature signal of the electronic expansion valve outlet and the pressure signal of the electronic expansion valve outlet; and a processing unit controlling, according to the requirements of an upper computer or the requirements of a set condition, an electronic expansion value to operate one of a temperature control mode, a degree of superheat control mode and an opening control mode.

IPC Classes  ?

• F25B 41/31 - Expansion valves
• F25B 49/02 - Arrangement or mounting of control or safety devices for compression type machines, plants or systems
• G05B 15/02 - Systems controlled by a computer electric

Abstract

A heat exchanger includes a metal base defining a heat exchange channel for flowing at least one of a refrigerant and a coolant therein, and a coating layer coated at least a part of an outer surface of the metal base. The coating layer includes sol particles and an antibacterial material, where the sol particles include silica. The antibacterial material includes a rare earth element oxide. By combining the antibacterial agent containing the rare earth element oxide with sol, the advantages of each component can be fully utilized. On the one hand, it is easier to attach the antibacterial material via the sol, and on the other hand a surface of the metal base of the heat exchanger can have a good antibacterial and mold-inhibiting effects, which is beneficial to cost reduction.

IPC Classes  ?

• F28F 19/02 - Preventing the formation of deposits or corrosion, e.g. by using filters by using coatings, e.g. vitreous or enamel coatings
• C09D 5/14 - Paints containing biocides, e.g. fungicides, insecticides or pesticides
• C09D 5/02 - Emulsion paints
• C09D 1/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
• C09D 7/20 - Diluents or solvents
• A01N 25/12 - Powders or granules
• A01N 25/08 - Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
• A01N 59/00 - Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
• A01P 1/00 - Disinfectants; Antimicrobial compounds or mixtures thereof

Abstract

Provided are a valve assembly and a sensor. The valve assembly comprises a valve body and a sensor, wherein the valve body is provided with a mounting cavity, and at least part of the sensor is accommodated in the mounting cavity; the sensor comprises a shell and a detection unit, and is provided with a first flow passage, the detection unit comprising a plate component and a sensing module; the valve body is further provided with a second flow passage; the valve assembly further comprises a filter component, the filter component comprising a filter screen portion and a fixed portion, and the filter screen portion and the fixed portion being fixedly connected or being of an integrated structure; the first flow passage and the second flow passage are respectively located at different sides of the filter screen portion in a height direction of the sensor; the fixed portion is fixedly connected to or is in limited connection with at least one of the valve body, the shell and the plate component; and the filter screen portion is provided with a plurality of meshes, and the first flow passage is in communication with the second flow passage by means of the meshes. The valve assembly and the sensor provided in the present application have a desirable filtering effect on fluid impurities.

IPC Classes  ?

• F25B 41/20 - Disposition of valves, e.g. of on-off valves or flow control valves
• F25B 43/00 - Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
• F25B 49/00 - Arrangement or mounting of control or safety devices
• G01D 21/02 - Measuring two or more variables by means not covered by a single other subclass
• G01K 13/02 - Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
• G01L 11/00 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group or
• B01D 46/10 - Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces

Abstract

The present disclosure discloses a heat exchanger including a group of collecting pipes and a number of heat exchange assemblies. Each heat exchange assembly includes a fin plate and at least one heat exchange tube. The heat exchange assembly includes a main heat exchange area. The heat exchange tube is connected with the fin plate. The heat exchange tube at least partially protrudes from at least one side of the fin plate. In addition, in the main heat exchange area corresponding to two adjacent heat exchange assemblies, at least two adjacent heat exchange tubes are staggered along an array direction of the heat exchange assemblies. The two heat exchange tubes respectively belong to the two adjacent heat exchange assemblies. The present disclosure is beneficial to improve the performance of the heat exchanger.

IPC Classes  ?

• F28D 1/047 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
• F28F 1/00 - Tubular elements; Assemblies of tubular elements
• F28F 1/02 - Tubular elements of cross-section which is non-circular
• F28F 1/04 - Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular
• F28F 1/22 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means having portions engaging further tubular elements
• F28D 1/053 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight

Abstract

Provided in embodiments of the present application are a gas detection apparatus and a control method therefor. The gas detection apparatus comprises: at least two detection modules, which are used for detecting gas concentration signals, and comprise a first detection module and a second detection module; a switching module, which is used for respectively realizing the turning-on and turning-off of each detection module; and a processing module, which is used for controlling the switching module, so that the switching module switches the second detection module from a turned-off state to a turned-on state while switching the first detection module from the turned-on state to the turned-off state.

IPC Classes  ?

• G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups

Abstract

Embodiments of the present application provide a gas concentration measurement method and a gas measurement device. The method comprises: after a zero reference value calibration time is reached, measuring a gas concentration in the environment to obtain a first value; if the first value satisfies a preset condition; updating the current zero reference value according to a preset rule to obtain a new zero reference value; and correcting, by using the new zero reference value, a gas concentration measurement value subjected to the update of the zero reference value. The method can improve the accuracy of gas concentration measurement.

IPC Classes  ?

• G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups

Abstract

The present application provides a heat exchanger and a manufacturing method of a heat exchanger. The heat exchanger includes a metal substrate, the metal substrate has a fluid channel for circulating a heat exchange medium; and the heat exchanger further includes a coating, the coating includes resin, silica and titanium dioxide, and the coating is arranged to cover at least part of a surface of the metal substrate. Silica particles and titanium dioxide particles are conducive to the formation of a complex micro-nano structure, and leveling and stability of hydrophilic resin contribute to long-term maintenance of the micro-nano structure. The coating of the heat exchanger according to the present application has excellent hydrophilic durability.

IPC Classes  ?

• C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
• F28F 19/06 - Preventing the formation of deposits or corrosion, e.g. by using filters by using coatings, e.g. vitreous or enamel coatings of metal
• C09D 7/61 - Additives non-macromolecular inorganic
• C09D 7/40 - Additives
• C09D 7/80 - Processes for incorporating ingredients
• C09D 201/00 - Coating compositions based on unspecified macromolecular compounds

Abstract

The present application provides a heat exchanger and a manufacturing method of a heat exchanger. The heat exchange includes a metal substrate having a fluid channel for circulating a heat exchange medium. The heat exchanger includes a coating having a rare earth conversion coating and a hydrophilic coating. The rare earth conversion coating is arranged to cover at least part of a surface of the metal substrate, and the rare earth conversion coating includes a rare earth element-containing compound. At least part of the hydrophilic coating is further away from the metal substrate than the rare earth conversion coating. A surface of the heat exchanger is hydrophilic, which is conducive to the discharge of condensate water, and can improve corrosion resistance and prolong a service life of the heat exchanger.

IPC Classes  ?

• C01B 33/159 - Coating or hydrophobisation
• F28F 19/06 - Preventing the formation of deposits or corrosion, e.g. by using filters by using coatings, e.g. vitreous or enamel coatings of metal
• C09D 1/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
• C01G 23/04 - Oxides; Hydroxides
• C09D 7/62 - Additives non-macromolecular inorganic modified by treatment with other compounds
• B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
• F28F 21/00 - Constructions of heat-exchange apparatus characterised by the selection of particular materials

Abstract

A thermal management system includes a compressor, a first heat exchanger, a first throttling device, a second heat exchanger, a third heat exchanger, a fourth heat exchanger and an air-conditioning box. The third heat exchanger includes a first heat exchange portion for circulating a refrigerant and a second heat exchange portion for circulating a coolant. The thermal management system includes a cooling mode. In the cooling mode, an outlet of the compressor, the first heat exchange portion, the first heat exchanger, the first throttling device, the second heat exchanger and an inlet of the compressor are in communication to form a first refrigerant loop; the second heat exchange portion and the fourth heat exchanger are in communication to form a coolant loop; and the coolant in the second heat exchange portion is capable of absorbing heat of the refrigerant in the first heat exchange portion.

IPC Classes  ?

• F25B 13/00 - Compression machines, plants or systems, with reversible cycle
• F25B 41/26 - Disposition of valves, e.g. of on-off valves or flow control valves of fluid flow reversing valves
• F25B 49/02 - Arrangement or mounting of control or safety devices for compression type machines, plants or systems
• F25B 5/02 - Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel

Abstract

Provided are a heat exchanger, a preparation method for the heat exchanger, and a heat management system. The heat exchanger comprises a metal substrate, which is provided with a fluid channel for circulation of a heat exchange medium. The heat exchanger is further provided with coatings, including a rare earth conversion coating and a hydrophilic coating, wherein the rare earth conversion coating covers at least part of the surface of the metal substrate, and the rare earth conversion coating includes a rare-earth-element-containing compound; and at least part of the hydrophilic coating is further away from the metal substrate than the rare earth conversion coating. The surface of the heat exchanger in the present application has hydrophilicity to facilitate the drainage of condensed water, and can also improve corrosion resistance to prolong the service life of the heat exchanger.

IPC Classes  ?

• F28F 13/18 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by surface treatment, e.g. polishing
• F28F 21/08 - Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
• B32B 1/08 - Tubular products
• F28F 19/06 - Preventing the formation of deposits or corrosion, e.g. by using filters by using coatings, e.g. vitreous or enamel coatings of metal
• C23C 22/10 - Orthophosphates containing oxidants

Abstract

A heat exchanger (100), a coating for coating a heat exchanger (100), and a heat management system (1000). The heat exchanger (100) comprises a metal substrate, which is provided with a fluid channel for circulation of a heat exchange medium. The heat exchanger (100) further comprises a coating, wherein the coating covers at least part of the surface of the metal substrate of the heat exchanger (100); and the coating includes sol particles and an antibacterial material, the sol particles include silicon dioxide, and the antibacterial material includes a rare earth oxide. By means of the combined use of the antibacterial agent containing a rare earth oxide and the sol, full advantage can be taken of the components. With the use of the sol, the antibacterial material can be attached more easily, and the surface of the metal substrate of the heat exchanger (100) also has a good antibacterial and anti-mildew effect, which is conducive to cost reduction.

IPC Classes  ?

• F28F 13/18 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by surface treatment, e.g. polishing
• F28F 19/02 - Preventing the formation of deposits or corrosion, e.g. by using filters by using coatings, e.g. vitreous or enamel coatings
• C09D 5/14 - Paints containing biocides, e.g. fungicides, insecticides or pesticides

Abstract

Provided are a heat exchanger, and a preparation method for a heat exchanger and a thermal management system thereof. The heat exchanger comprises a metal substrate, having a fluid channel for circulating a heat exchange medium; the heat exchanger further has a coating, comprising a resin, silicon dioxide and titanium dioxide; and the coating covers at least part of the surface of the metal substrate. Silicon dioxide particles and titanium dioxide particles are conducive to the formation of a complex micro-nano structure, the leveling and stability of a hydrophilic resin contribute to the long-term maintenance of the micro-nano structure, and the coating of the heat exchanger of the present application has excellent hydrophilic durability.

IPC Classes  ?

• C09D 133/02 - Homopolymers or copolymers of acids; Metal or ammonium salts thereof
• F28F 1/00 - Tubular elements; Assemblies of tubular elements

Abstract

Provided are a heat exchanger and a preparation method therefor, and a heat management system. The heat exchanger comprises a metal substrate, which is provided with a fluid channel for circulation of a heat exchange medium. The heat exchanger is further provided with coatings, including a rare earth conversion coating and a hydrophobic coating, wherein the rare earth conversion coating covers at least part of the surface of the metal substrate, and the rare earth conversion coating includes a rare-earth-element-containing compound; and at least part of the hydrophobic coating is further away from the metal substrate than the rare earth conversion coating. The surface of the heat exchanger in the present application has hydrophobicity to facilitate the drainage of condensed water, and can also improve corrosion resistance to prolong the service life of the heat exchanger.

IPC Classes  ?

• C09D 1/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
• F28F 1/00 - Tubular elements; Assemblies of tubular elements

Abstract

The present disclosure discloses a thermal management system. The thermal management system includes a refrigerant system and a coolant system. The thermal management system also includes a fourth heat exchanger. The fourth heat exchanger is disposed in the coolant system. The fourth heat exchanger can absorb heat from the air and release heat to the air, which is beneficial to improve the performance of the thermal management system.

IPC Classes  ?

• B60H 1/00 - Heating, cooling or ventilating devices
• B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
• B60L 58/27 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating

Abstract

A sensor device, comprising: a housing (1) and a sensing assembly (2), the sensing assembly (2) comprising a circuit substrate (21), a sensing element (22), and a sleeve (23), and further comprising an inner cavity (200) and a channel (231). The inner cavity (200) and the channel (231) are located on different sides of the thickness direction of the circuit substrate, respectively. The sleeve (23) has a cylinder wall (232). The tail end of the cylinder wall (232) in the axial direction of the channel is sealably connected to the circuit substrate (21). The cylinder wall (232) of the sleeve (23) is located on the periphery of the channel (231). The housing (1) is provided with a matching part (11). The matching part (11) is provided with an accommodation part (111). The sleeve (23) is at least partially accommodated in the accommodation part (111). The matching part (11) comprises a first peripheral wall part (112) forming the accommodation part (111). The first peripheral wall part (112) is sealably connected to the outer peripheral side of the cylinder wall (232) of the sleeve (23). The inner cavity (200) is not communicated with the channel (231). The sealing performance between the inner cavity (200) of the sensor device and a flow channel is good. Also provided is a valve assembly (300) having the sensor device.

IPC Classes  ?

• G01L 9/06 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers of piezo-resistive devices
• G01L 19/00 - MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
• G01L 19/14 - Housings
• G01K 7/22 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements the element being a non-linear resistance, e.g. thermistor
• G01K 13/02 - Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow

Abstract

Disclosed is a heat exchanger. An end cover is assembled and fixed to a port of a first header in a lengthwise direction or a port of a second header in a lengthwise direction, and the end cover includes a body and a first opening formed in the body. The body includes a second cavity and a first recess. The first recess includes a first bottom wall close to the first opening, the first bottom wall is provided with a third opening, the third opening is in communication with the first opening and the second cavity, and the first opening is farther away from an inner cavity of the first header or an inner cavity of the second header than the second cavity. The open area of the first recess is larger than that of the third opening.

IPC Classes  ?

• F28D 7/16 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
• F28F 9/02 - Header boxes; End plates
• F28F 1/00 - Tubular elements; Assemblies of tubular elements

Abstract

Disclosed in the present application is a gas-liquid separation apparatus. A first snap portion is at least partially located between a first position-limiting portion and a first step portion; the first snap portion is partially located between the first position-limiting portion and a first protruding portion; on a plane perpendicular to the axial direction of the gas-liquid separation apparatus, the projection of the first snap portion partially overlaps that of the first protruding portion, the projection of the first snap portion at least partially overlaps that of the first step portion, and the projection of the first position-limiting portion partially overlaps that of the first snap portion; the first snap portion is subjected to position limitation between the first position-limiting portion and the first step portion to reduce the possibility of the first snap portion falling off from a first main body portion; and the first snap portion is subjected to position limitation between the first position-limiting portion and the first protruding portion, and limitation of the displacement of the first snap portion in a direction away from a first flow guiding portion can be achieved by means of the first protruding portion, such that the possibility of separation of a heat exchange assembly from the first flow guiding portion is reduced. A relatively simple structure is used for improving the reliability of the gas-liquid separation apparatus.

IPC Classes  ?

• B01D 50/00 - Combinations of methods or devices for separating particles from gases or vapours
• F25B 43/00 - Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat

Abstract

A sensor (100), a valve device (200) having same, and a thermal management system (900). The sensor (100) comprises: a housing (10), a substrate assembly (40), a temperature sensing unit (50), and a pressure sensing unit (60). The sensor (100) has an accommodating cavity (102) and a flow channel (101) that are located on different sides in the thickness direction of a substrate (41); the flow channel (101) is not communicated with the accommodating cavity (102); and electronic components (45) and the pressure sensing unit (60) are located in the accommodating cavity (102). The temperature sensing unit (50) is electrically connected to the electronic elements (45), and the pressure sensing unit (60) is electrically connected to the electronic elements (45). The substrate (41) comprises a first surface (411) facing the accommodating cavity (102) and a second surface (412) facing the flow channel (101), and the distance from the pressure sensing unit (60) to the first surface (411) is less than the distance from the pressure sensing unit (60) to the second surface (412). Parts such as pins of the pressure sensing unit (60) are protected by the structure of the substrate (41), and the substrate (41) is of an integrated structure, such that the structure is simple.

IPC Classes  ?

• G01D 11/00 - Component parts of measuring arrangements not specially adapted for a specific variable
• G01D 21/02 - Measuring two or more variables by means not covered by a single other subclass

Abstract

The present application discloses a microchannel flat tube and a microchannel heat exchanger. The microchannel flat tube includes a flat tube body and a row of channels. The row of channels is arranged in the flat tube body along a width direction. The row of channels extends through the flat tube body along a length direction. A cross-section of each channel includes a first width in the width direction and a first height in a thickness direction. The row of channels at least includes a first group of first channels, a second group of second channels and a third group of third channels along the width direction. The first widths of the first channels, the second channels and the third channels decrease at a fixed rate, thereby facilitating the control of the thickness of the microchannel flat tube and improving the heat exchange efficiency of the third channels.

IPC Classes  ?

• F28F 1/02 - Tubular elements of cross-section which is non-circular
• F28F 1/24 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
• F28F 1/12 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element

Abstract

The present application provides a sensor assembly, comprising a housing, a circuit board unit, a base and a temperature sensing element. The sensor assembly is provided with an inner cavity and a channel; the base is at least partially accommodated in the inner cavity, and the base comprises a first wall portion which has a first surface and a second surface; the circuit board unit is located on the side where the first surface is located, and the temperature sensing element comprises a temperature sensing portion and a conductive portion; the channel and the temperature sensing portion are located on the side where the second surface is located; the base further comprises an accommodating portion and an insulating portion; at least part of the conductive portion and at least part of the insulating portion are accommodated in the accommodating portion; the insulating portion is located between the peripheral wall of the base forming the accommodating portion and the conductive portion; at least part of the conductive portion accommodated in the accommodating portion and the peripheral wall of the base forming the accommodating portion are respectively connected with the insulating portion in a sealed manner; and the conductive portion is electrically connected with the temperature sensing portion and the circuit board unit. The sensor assembly provided by the present application has better sealing performance.

IPC Classes  ?

• G01K 7/22 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements the element being a non-linear resistance, e.g. thermistor
• G01K 13/00 - Thermometers specially adapted for specific purposes
• G01K 13/02 - Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
• G01K 1/08 - Protective devices, e.g. casings
• G01K 1/10 - Protective devices, e.g. casings for preventing chemical attack
• G01K 1/14 - Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
• G01K 1/00 - MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR - Details of thermometers not specially adapted for particular types of thermometer
• G01L 19/00 - MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
• G01L 19/14 - Housings
• F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given

Abstract

The present application relates to the technical field of materials and heat exchange, and particularly to a coating for coating a heat exchanger and a preparation method therefor, a heat exchanger, and a processing method for the heat exchanger. The coating for coating a heat exchanger of the present application comprises a hydrophobic material and a photothermal conversion material. The photothermal conversion material can effectively increase the surface temperature of a coated article under visible illumination, thereby facilitating further improvement of the efficiency of delaying the frosting by increasing the surface temperature of the coated article on the basis of effectively exerting the hydrophobic properties of the hydrophobic material.

IPC Classes  ?

• C09D 5/32 - Radiation-absorbing paints
• C09D 5/16 - Anti-fouling paints; Underwater paints
• C09D 183/00 - Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers

Abstract

The present disclosure relates to the technical field of material and heat exchange and in particular, to a coating material applied to a heat exchanger, a method of preparing the coating material, a heat exchanger, and a method of treating the heat exchanger. The coating material of the present disclosure applied to a heat exchanger includes a hydrophobic material and a light-to-heat conversion material. Under irradiation of visible light, the light-to-heat conversion material can effectively increase the surface temperature of a coated object, which is beneficial to increasing the surface temperature of the coated object while exerting the hydrophobic performance of the hydrophobic material, thus further improving the effect in slowing down frosting.

IPC Classes  ?

• C09K 5/02 - Materials undergoing a change of physical state when used
• C09D 183/04 - Polysiloxanes
• C08K 3/36 - Silica
• C09D 7/20 - Diluents or solvents
• C09D 7/61 - Additives non-macromolecular inorganic

Abstract

A sensor includes a housing, a circuit board, and a sensor chip fixed on the circuit board. The housing defines a receiving cavity and a first channel extending through the housing. The first channel communicates with the receiving cavity and an outside of the sensor. The circuit board is at least partially received in the receiving cavity. At least a part of the circuit board is bonded and fixed to the housing by a thermal conductive glue. The sensor chip is adapted for sensing at least one of a humidity signal and a temperature signal of an environment in the receiving cavity. As a result, the monitoring accuracy is relatively improved.

IPC Classes  ?

• G01D 11/24 - Housings
• G01D 11/30 - Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
• F28F 27/00 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus

Abstract

A heat exchanger includes a first collecting pipe, a number of heat exchange tubes and a partition plate. The heat exchange tubes are inserted into the first collecting pipe. By means of the partition plate, a first inner cavity of the first collecting pipe is divided into a first sub-cavity and a second sub-cavity. One end of each heat exchange tube is in communication with the first sub-cavity. In the process of a refrigerant entering the first collecting pipe, the refrigerant flows into the second sub-cavity firstly, and forms a severe turbulence effect after interacting with the heat exchange tubes inserted into the second sub-cavity. Then, the refrigerant flows into the first sub-cavity through holes provided in the partition plate, and then flows into the heat exchange tubes. As a result, the uniformity of the two-phase refrigerant distribution can be relatively improved.

IPC Classes  ?

• F28F 9/02 - Header boxes; End plates
• F25B 39/00 - Evaporators; Condensers
• F28F 1/22 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means having portions engaging further tubular elements
• F28F 1/40 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element

Abstract

A thermal management system includes a refrigerant flow path, a coolant liquid flow path, a first heat exchanger and a second heat exchanger. The refrigerant flow path includes a compressor, a first indoor heat exchanger, a first flow regulation device, and a second flow regulation device. The coolant liquid flow path includes a first heat exchange assembly and a heater. The first heat exchanger includes a first heat exchange portion and a second heat exchange portion. The second heat exchanger includes a third heat exchange portion and a fourth heat exchange portion. The thermal management system has a first heating mode and a second heating mode. The thermal management system provides thermal energy required for heating by at least one of the following selectable processes: heating of the heater, and generating excess heat during operation of the first heat exchange assembly.

IPC Classes  ?

• B60H 1/32 - Cooling devices
• B60H 1/00 - Heating, cooling or ventilating devices
• B60H 1/22 - Heating, cooling or ventilating devices the heat being derived otherwise than from the propulsion plant

Abstract

A sensor assembly, comprising a housing (20), a circuit assembly and a heat conducting member (13), wherein the housing (20) is provided with an inner cavity (30) and a through hole (220); the circuit assembly comprises a circuit board (14) and a first sensing portion (141) electrically connected to the circuit board (14); the housing (20) comprises a bottom wall (211), and at least part of the circuit board (14) is located on the side where an inner side surface (400) of the bottom wall (211) is located; the heat conducting member (13) comprises a first portion (131) and a second portion (132), the second portion (132) being located on the side where an outer side surface (300) of the bottom wall (211) is located; the first portion (131) extends toward the inner cavity (30) from the second portion (132); the bottom wall (211) is arranged around at least part of a peripheral wall of the first portion (131); and the first portion (131) is in direct contact with the first sensing portion (141), or the minimum distance between the first portion (131) and the first sensing portion (141) is L, and 0＜L≤5 mm. The sensor assembly is simple in overall structure, and has a good sensing effect for the surface temperature of an object to be measured. A heat exchange device having the sensor assembly is further disclosed.

IPC Classes  ?

• G01K 13/00 - Thermometers specially adapted for specific purposes

Abstract

A thermal management system includes a cooling liquid circulation flow path, a refrigerant circulation flow path and a first heat exchanger. The first heat exchanger includes a first heat exchange portion and a second heat exchange portion. The cooling liquid circulation flow path includes a first heat exchange assembly, a second heat exchange assembly and a first branch. The thermal management system has a heating mode. After passing through the first heat exchange assembly, one path of the cooling liquid flows to the first branch, and another path of the cooling liquid flows to the second heat exchange assembly. The cooling liquid after flowing through the first branch and after flowing through the second heat exchange assembly merge and then flow to the first heat exchange portion. As a result, the number of heat exchangers used by the thermal management system to recover waste heat is reduced.

IPC Classes  ?

• F25B 13/00 - Compression machines, plants or systems, with reversible cycle
• B60H 1/00 - Heating, cooling or ventilating devices
• H01M 10/613 - Cooling or keeping cold
• H01M 10/625 - Vehicles
• H01M 10/6568 - Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
• B60H 1/03 - Heating, cooling or ventilating devices the heat being derived from the propulsion plant and from a source other than the propulsion plant

Abstract

A pipeline connection device includes a first connecting member, a second connecting member and a sealing member. The first connecting member includes a first channel and an abutting portion. The second connecting member includes a second channel and a first groove portion. The first groove portion includes a first side wall and a first receiving groove to receive the sealing member. At least part of the abutting portion is received in the first receiving groove and abuts against the sealing element. A first gap not greater than 0.3 mm is provided between the abutting portion and the first side wall; or the first connecting member and the second connecting member include at most two annular friction surfaces. As a result, mutual jamming of the first connecting member and the second connecting member can be avoided. Besides, a pipeline adapting assembly having the pipeline connection device is disclosed.

IPC Classes  ?

• F16L 23/16 - Flanged joints characterised by the sealing means
• F16L 23/032 - Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
• F16L 19/02 - Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
• B60H 1/00 - Heating, cooling or ventilating devices
• F16L 15/00 - Screw-threaded joints; Forms of screw-threads for such joints

Abstract

A heat management system. In a heating mode, the outlet of a compressor (1), an indoor heat exchanger (2), a first flow rate adjustment device (3), an outdoor heat exchanger (5), a first heat exchange portion (72), and the inlet of the compressor (1) are communicated with each other to form a refrigerant circuit; the first flow rate adjustment device (3) is in a refrigerant throttling state; in a cooling state, the outlet of the compressor (1), the first heat exchange portion (72), the outdoor heat exchanger (5), the first flow rate adjustment device (3), the indoor heat exchanger (2), and the inlet of the compressor (1) are communicated with each other to form a refrigerant circuit; and the first flow rate adjustment device (3) is in the refrigerant throttling state. The first flow rate adjustment device (3) of the heat management system has a bidirectional throttling function, and the heat management system comprises the heating mode and the cooling mode that can be achieved by means of the same first flow rate adjustment device (3). The heat management system is simple in structure and low in cost.

IPC Classes  ?

• B60H 1/00 - Heating, cooling or ventilating devices
• B60H 1/03 - Heating, cooling or ventilating devices the heat being derived from the propulsion plant and from a source other than the propulsion plant
• B60K 11/02 - Arrangement in connection with cooling of propulsion units with liquid cooling

Abstract

A rotor assembly (1), the rotor assembly (1) being an injection molded piece, and comprising a first shaft sleeve (13) and a rotor (14); a first injection molded body (11) is formed by using the rotor (14) and the first shaft sleeve (13) as injection molding inserts to pass through injection molding; a second injection molded body (12) is formed by at least using the first injection molded body (11) as an injection molding insert to pass through injection molding; the second injection molded body (12) comprises a lower cover plate (121) and a wrapping layer (122), the wrapping layer (122) wrapping around at least a portion of the outer peripheral surface of the first injection molded body (11); the rotor assembly (1) further comprises blades (15), the blades (15) being fixedly connected to the lower cover plate (121) or the blades (15) forming an integrated structure with the lower cover plate (121). By means of the described structure, a first shaft sleeve is fixed by using an injection molding means, which is advantageous for reducing the strength requirement of the first shaft sleeve and the material of the connection portion in the rotor assembly with the first shaft sleeve, and is also advantageous for reducing the fabrication costs of the first shaft sleeve and the material of the connection portion in the rotor assembly with the first shaft sleeve, thereby facilitating the reduction of fabrication costs of the rotor assembly. The present invention also relates to a fabrication method for a rotor assembly and an electric pump.

IPC Classes  ?

• F04D 29/22 - Rotors specially for centrifugal pumps
• H02K 15/02 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies

Abstract

An electric valve, comprising a stator assembly (1), a valve component (3), a valve body (4), a first sealing member (5) and a sleeve (9); the stator assembly is located at the periphery of the sleeve and is limitingly connected to the valve body; the stator assembly is provided with a first recessed part (144), which is located between the valve component and the stator assembly; at least part of the opening of the first recessed part faces toward the valve body, and the first sealing member is located in the recessed part. Providing the first sealing member between the stator assembly and the valve component helps, to a certain extent, to reduce the humidity in the exterior environment that enters the stator assembly by means of the gap between the stator assembly and the sleeve.

IPC Classes  ?

• F16K 31/04 - Operating means; Releasing devices magnetic using a motor

Abstract

An electric valve (30) and a thermal management system. The electric valve (30) comprises a pressure sensing unit (5). The pressure sensing unit is connected to a valve seat (2), and the pressure sensing unit can sense the pressure characteristics of a working medium in a detection flow channel (23) and form a piezoelectric signal. An electric control portion (3) comprises an electric control board (31). The piezoelectric signal forms, by means of a conditioning circuit, an electrical signal corresponding to a pressure. The electrical signal is used as a part for generating a signal for controlling a driving portion (4). The reduction of the costs of the electric valve is facilitated.

IPC Classes  ?

• F16K 31/04 - Operating means; Releasing devices magnetic using a motor

Abstract

0 is a distance between adjacent heat exchange tubes. As a result, uniformity of refrigerant distribution in the heat exchanger is improved.

IPC Classes  ?

• F28F 9/02 - Header boxes; End plates
• F25B 39/00 - Evaporators; Condensers
• F28F 1/02 - Tubular elements of cross-section which is non-circular

Abstract

A heat exchanger has a collecting pipe, a separator and a number of heat exchange tubes. The collecting pipe has a pipe wall and an inner cavity. The separator is provided in the inner cavity. The separator extends along a lengthwise direction of the collecting pipe. The separator divides the collecting pipe into a first cavity and a second cavity. The heat exchange tubes are arranged along the lengthwise direction. Each heat exchange tube has a first end and an inner cavity. The first end of the heat exchange tube sequentially passes through the pipe wall of the collecting pipe, the first cavity and the separator to be inserted into the second cavity. The inner cavity of the heat exchange tube is communicated with the second cavity. As a result, uniformity of refrigerant distribution in the heat exchanger is improved.

IPC Classes  ?

• F28F 9/02 - Header boxes; End plates
• F28F 1/12 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element

Abstract

The present application relates to a thermal management system including a compressor, an outdoor heat exchanger, a first valve control device, a first indoor heat exchanger, a second indoor heat exchanger and a second valve control device connected by pipelines. The thermal management system includes a heating and dehumidifying mode. In the heating and dehumidifying mode, the compressor, the first indoor heat exchanger, the second valve control device, the second indoor heat exchanger, the first valve control device and the outdoor heat exchanger are in communication to form a loop. The first valve control device and the second valve control device both include a communication mode and a throttle mode. In the heating and dehumidifying mode, the second valve control device is in the throttle mode, and the first valve control device is in the throttle mode or the communication mode. In the cooling mode, the first valve control device is in the throttle mode, and the second valve control device is in the communication mode or the throttle mode.

IPC Classes  ?

• B60H 1/00 - Heating, cooling or ventilating devices
• H01M 10/613 - Cooling or keeping cold
• H01M 10/615 - Heating or keeping warm
• H01M 10/625 - Vehicles
• H01M 10/6556 - Solid parts with flow channel passages or pipes for heat exchange
• H01M 10/6568 - Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
• H01M 10/663 - Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
• B60L 58/27 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
• B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling

Abstract

A heat exchanger, comprising a heat exchange tube, a first end assembly and a second end assembly. The first end assembly comprises a first circulation plate, a first current collecting assembly, and an end plate. The first current collecting assembly comprises a first mounting part, and a first protrusion part and a second protrusion part integrated with the first mounting part. The first protrusion part and the second protrusion part extend along the length direction of the first circulation plate and are arranged side by side along the width direction of the first circulation plate. The end plate and the first mounting part are fixedly connected to the first circulation plate. The first circulation plate is provided with a first through groove that communicates with the corresponding heat exchange tube. Compared to the related art, in the present application, the first mounting part, the first protrusion part, and the second protrusion part are an integral piece, and the first protrusion part and the second protrusion part may function as reinforcing ribs, thereby enhancing the strength of the first current collecting assembly.

IPC Classes  ?

• F25B 39/00 - Evaporators; Condensers
• F28F 9/00 - Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
• F28F 9/013 - Auxiliary supports for elements for tubes or tube-assemblies

Abstract

A heat pump system includes a compressor, a fluid switching device, a first heat exchanger, a second heat exchanger, a third heat exchanger, a fourth heat exchanger, a flow regulating device and a throttle element. The second heat exchanger includes a first heat exchange portion and a second heat exchange portion. An outlet of the first heat exchange portion communicates with the throttle element. An inlet of the first heat exchange portion communicates with at least one of a second port of the third heat exchanger and an outlet of the fourth heat exchanger. An inlet of the second heat exchange portion communicates with the outlet of the first heat exchanger. An outlet of the second heat exchange portion communicates with an inlet of the compressor. In a heating mode, the function of the second heat exchanger is reduced, thereby the heating capacity of the heat pump system is improved.

IPC Classes  ?

• B60H 1/00 - Heating, cooling or ventilating devices
• B60H 1/22 - Heating, cooling or ventilating devices the heat being derived otherwise than from the propulsion plant
• B60H 1/32 - Cooling devices
• F25B 5/02 - Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
• F25B 6/04 - Compression machines, plants or systems, with several condenser circuits arranged in series
• F25B 13/00 - Compression machines, plants or systems, with reversible cycle
• F25B 40/00 - Subcoolers, desuperheaters or superheaters
• F25B 41/20 - Disposition of valves, e.g. of on-off valves or flow control valves
• F25B 41/30 - Expansion means; Dispositions thereof
• F25B 41/42 - Arrangements for diverging or converging flows, e.g. branch lines or junctions

Abstract

A controller for vehicle air conditioner includes a base defining a mounting cavity; a knob assembly rotatably mounted to the base, wherein at least a portion of the knob assembly is located in the mounting cavity; and at least one bearing element arranged between the base and the knob assembly. Such a design reduces the friction between the base and the knob assembly and thus reduces the noise.

IPC Classes  ?

• B60K 37/06 - Arrangement of fittings on dashboard of controls, e.g. control knobs

Abstract

A control system and a control method, which can control an electronic expansion valve. The method comprises: acquiring a temperature signal of an electronic expansion valve outlet and a pressure signal of the electronic expansion valve outlet; determining a first current degree of superheat on the basis of the temperature signal of the electronic expansion valve outlet and the pressure signal of the electronic expansion valve outlet; and a processing unit controlling, according to the requirements of an upper computer or the requirements of a set condition, an electronic expansion value to operate one of a temperature control mode, a degree of superheat control mode and an opening control mode. The technical solution provided in the embodiments of the present invention improves the real-time performance and the accuracy of control of an electronic expansion valve.

IPC Classes  ?

• F25B 49/02 - Arrangement or mounting of control or safety devices for compression type machines, plants or systems
• F25B 41/31 - Expansion valves

Abstract

The present disclosure discloses an infrared sensor, an infrared gas detector and an air quality detection device. The infrared sensor includes electrodes, a substrate, an isolation layer and a graphene film. The graphene film has a periodical nanostructure. The infrared sensor enhances the absorption of infrared light, and is capable of only absorbing specific infrared wavelengths, thus improving the selective performance of the infrared gas detector.

IPC Classes  ?

• G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
• G01N 21/359 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
• G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
• B60H 1/00 - Heating, cooling or ventilating devices

Abstract

The present application discloses a microchannel flat tube and a microchannel heat exchanger. The microchannel flat tube includes a flat tube body and a row of channels. The row of channels is arranged in the flat tube body along a width direction. The row of channels extends through the flat tube body along a length direction. A cross-section of each channel includes a first width in the width direction and a first height in a thickness direction. The row of channels at least includes a first channel, a second channel and a third channel along the width direction. The first widths of the first channel, the second channel and the third channel are decreased at a fixed ratio, thereby facilitating the control of the thickness of the microchannel flat tube and improving the heat exchange efficiency of the third channel.

IPC Classes  ?

• F28F 1/02 - Tubular elements of cross-section which is non-circular
• F28F 1/24 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
• F28F 1/12 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element

Abstract

Provided are an electronic expansion valve, a control system, and a control method, including: a step motor and a Hall sensor; the step motor includes a rotor and a stator; the rotor includes a permanent magnet; the Hall sensor is provided on the outer periphery of the permanent magnet; the Hall sensor and rotor are arranged in the radial direction, and the stator and Hall sensor are arranged in the axial direction; the main-body part of the Hall sensor is used for sensing the magnetic pole change of the permanent magnet; such a structure reduces the effect that an operating environment has on the Hall sensor when detecting a signal.

IPC Classes  ?

• F16K 31/04 - Operating means; Releasing devices magnetic using a motor
• F25B 49/00 - Arrangement or mounting of control or safety devices
• H02K 37/00 - Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
• F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given

Abstract

A thermal management system comprises: a refrigerant flow path, a coolant liquid flow path, a first heat exchanger (9), and a second heat exchanger (10). The refrigerant flow path comprises a compressor (1), a first indoor heat exchanger (2), a first flow regulation device (4), and a second flow regulation device (5). The coolant liquid flow path comprises a first heat exchange assembly (11) and a heater (12). The first heat exchanger (9) comprises a first heat exchange portion (91) and a second heat exchange portion (92), and the second heat exchanger (10) comprises a third heat exchange portion (101) and a fourth heat exchange portion (102). In a first heating mode, the compressor (1), the first indoor heat exchanger (2), the second flow regulation device (5), and the fourth heat exchange portion (102) communicate to form a loop, the first heat exchange assembly (11), the heater (12), and the third heat exchange portion (101) communicate to form a loop, and the second flow regulation device (5) regulates a flow of the refrigerant flow path. In a second heating mode, the compressor (1), the first indoor heat exchanger (2), the first flow regulation device (4), and the second heat exchange portion (92) communicate to form a loop, the first heat exchange portion (91) and the heater (12) communicate to form a loop, and the first flow regulation device (4) regulates a flow of the refrigerant flow path. The thermal management system provides thermal energy required for heating by at least one of the following selectable processes: heating of the heater (12), and generating excess heat during operation of the first heat exchange assembly (11).

IPC Classes  ?

• B60H 1/00 - Heating, cooling or ventilating devices

Abstract

A heat pump system includes a compressor, a first heat exchanger, a second heat exchanger, a third heat exchanger, an intermediate heat exchanger, a first throttling element and a first valve member. The intermediate heat exchanger includes a first heat exchange portion and a second heat exchange portion that may carry out heat exchange. A first port of the first heat exchange portion communicates with an inlet of the compressor. A second port of the first heat exchange portion may communicate with at least one of an outlet of the second heat exchanger and a second port of the third heat exchanger. A first port of the second heat exchange portion may communicate with a first port of the third heat exchanger. The first heat exchanger and the second heat exchanger are indoor heat exchangers which are configured to be disposed in an air-conditioning cabinet.

IPC Classes  ?

• F25B 30/02 - Heat pumps of the compression type
• B60H 1/00 - Heating, cooling or ventilating devices
• B60H 1/32 - Cooling devices
• F25B 13/00 - Compression machines, plants or systems, with reversible cycle
• F25B 40/06 - Superheaters

Abstract

Disclosed in the present application is a heat exchanger, comprising a header set and a plurality of heat exchange assemblies, wherein the plurality of heat exchange assemblies are arranged in the lengthwise direction of headers, each of the heat exchange assemblies comprises a fin plate and at least one heat exchange pipe, the heat exchange assembly comprises a main heat exchange area, the heat exchange pipe is connected to the fin plate, the heat exchange pipe is connected between two headers in the lengthwise direction, an inner flowing channel of the heat exchange pipe enables inner cavities of the two headers to be in communication, at least part of the heat exchange pipe protrudes out of at least one side of the fin plate, at least two adjacent heat exchange pipes are staggered in the arrangement direction of the heat exchange assemblies in the main heat exchange areas corresponding to two adjacent heat exchange assemblies, and the two heat exchange pipes belong to the two adjacent heat exchange assemblies respectively. On the basis of the present application, improvement of the performance of the heat exchanger is facilitated.

IPC Classes  ?

• F28D 1/047 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
• F28D 1/053 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
• F28F 1/22 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means having portions engaging further tubular elements

Abstract

The present application provides a heat management system. The heat management system comprises a compressor, a first heat exchanger, a first throttle device, a second heat exchanger, a third heat exchanger, and a fourth heat exchanger; the third heat exchanger comprises a first heat exchange portion used for circulating a refrigerant and a second heat exchange portion used for circulating a cooling liquid. The heat management system comprises a cooling mode. At the cooling mode, the outlet of the compressor, the first heat exchange portion, the first heat exchanger, the first throttle device, the second heat exchanger, and the inlet of the compressor are communicated with each other to form a first refrigerant loop, the second heat exchange portion and the fourth heat exchanger are communicated with each other to form a cooling liquid loop, and the cooling liquid in the second heat exchange portion can absorb the heat of the refrigerant in the first heat exchange portion. The fourth heat exchanger is located outside an air conditioning cabinet. The third heat exchanger is provided at the outlet of the compressor. At the cooling mode, the third heat exchanger can bear the heat exchange pressure of some of outdoor heat exchangers.

IPC Classes  ?

• F25B 13/00 - Compression machines, plants or systems, with reversible cycle
• F25B 6/04 - Compression machines, plants or systems, with several condenser circuits arranged in series

Abstract

A vehicle air conditioning system, comprising an air conditioning box body (10), an adsorption dehumidification device (11), a valve assembly (12) and a fan (13); the air conditioning box body (10) comprises a first air inlet (10a), a first air outlet (10b), an air duct (100), and a first circulation structure (18) and a second circulation structure (19) which are located in the air duct (100); the fan (13) is located in the air duct (100), and the adsorption dehumidification device (11) is located in the first circulation structure (18); the valve assembly (12) is provided close to the first air inlet (10a), and the valve assembly (12) has a first state and a second state; and in the first state, the first air inlet (10a) is in communication with the first circulation structure (18), and in the second state, the first air inlet (10a) is in communication with the second circulation structure (19). The vehicle air conditioning system has a dehumidification mode, and in the dehumidification mode, the fan (13) is switched on, and the valve assembly (12) is in the first state. In the vehicle air conditioning system, when the valve assembly is switched, the first air inlet is selectively in communication with the first circulation structure, and the adsorption dehumidification device is located in the first circulation structure. Therefore, the adsorption dehumidification device can be used to absorb water vapor in the air duct, reducing the humidity and achieving low energy consumption during dehumidification.

IPC Classes  ?

• B60H 3/02 - Moistening
• B60H 1/00 - Heating, cooling or ventilating devices
• F24F 3/14 - Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by dehumidification

Abstract

Disclosed is a thermal management system. The thermal management system comprises a refrigerant system and a cooling liquid system, wherein a refrigerant of the refrigerant system is isolated from a cooling liquid of the cooling liquid system; the refrigerant system comprises a compressor (10), a first heat exchanger (101) and a throttling element, and an outlet of the compressor (10) can be in communication with a refrigerant inlet of the first heat exchanger (101). The thermal management system further comprises a dual-flow-channel heat exchanger, wherein the dual-flow-channel heat exchanger comprises a refrigerant flow channel and a cooling liquid flow channel, and the throttling element can be in communication with an inlet of the compressor (10) by means of the refrigerant flow channel of the dual-flow-channel heat exchanger; and the thermal management system further comprises a fourth heat exchanger (107), wherein the fourth heat exchanger (107) is arranged in the cooling liquid system, and the fourth heat exchanger (107) can absorb heat from air and release heat into the air, thereby facilitating the improvement of the performance of the thermal management system.

IPC Classes  ?

• B60H 1/00 - Heating, cooling or ventilating devices
• B60K 1/00 - Arrangement or mounting of electrical propulsion units
• B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling

Abstract

A thermal management system comprises a cooling liquid circulation flow path and a refrigerant circulation flow path. The thermal management system comprises a first heat exchanger (7). The first heat exchanger (7) comprises a first heat exchange portion (71) and a second heat exchange portion (72) capable of performing heat exchange. A flow channel of the first heat exchange portion (71) is connected to the cooling liquid circulation flow path. A flow channel of the second heat exchange portion (72) is connected to the refrigerant circulation flow path. The cooling liquid circulation flow path comprises a first heat exchange assembly (8), a second heat exchange assembly (9), and a first branch (10). The system comprises a heating mode, wherein the first heat exchange assembly (8), the second heat exchange assembly (9), and the first heat exchange portion (71) communicate with each other so as to form a loop, and the first heat exchange assembly (8), the first branch (10), and the first heat exchange portion (71) communicate with each other so as to form a loop. After a cooling liquid passes through the first heat exchange assembly (8), one stream flows to the first branch (10), and the other stream flows to the second heat exchange assembly (9). The two streams of the cooling liquid converge and then flow to the first heat exchange portion (71) so as to reduce the number of heat exchangers used by the thermal management system to recover waste heat.

IPC Classes  ?

• B60H 1/00 - Heating, cooling or ventilating devices
• B60H 1/04 - Heating, cooling or ventilating devices the heat being derived from the propulsion plant from cooling liquid of the plant
• B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling

Abstract

A sensor (10), comprising a housing (11), a circuit board (12), and a sensing chip (121) provided on the circuit board (12). An accommodating cavity (110) is provided in the housing (11); the housing (11) comprises a top wall (112), a bottom wall (111), and a side wall (113); the sensor (10) is provided with a second channel (151) for discharging liquid water; the second channel (151) runs through the bottom wall (111) or the side wall (113). When the sensor (10) is applied in the heat exchanger (100) and monitors the temperature and/or humidity near an outer surface of the heat exchanger (100), the monitoring accuracy may be relatively improved.

IPC Classes  ?

• G01D 21/02 - Measuring two or more variables by means not covered by a single other subclass

Abstract

A header box includes a first bottom plate and an unperforated cover plate. The first bottom plate includes a first surface and a second surface opposite to the first surface. The first bottom plate is of a one-piece configuration. The first surface is recessed inwardly to form a straight first hole extending along a length direction. The second surface is recessed inwardly to form at least two straight second holes extending along a width direction perpendicular to the length direction. The first hole is communicated with the at least two second holes. The cover plate is connected to the first surface to block an opening of the first hole on the first surface. A heat exchanger having the header box is also disclosed.

IPC Classes  ?

• F28F 9/02 - Header boxes; End plates
• F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall

Abstract

A heat exchanger includes a first collecting pipe, a second collecting pipe and a number of flat tubes connected between the first collecting pipe and the second collecting pipe. The first collecting pipe includes a first upper main board and a first lower main board. A first channel and a second channel are formed between the first upper main board and the first lower main board. The second collecting pipe includes a third channel and a fourth channel. The third channel is communicated with the first channel through a row of the flat tubes. The fourth channel is communicated with the second channel through another row of the flat tubes.

IPC Classes  ?

• F28F 9/02 - Header boxes; End plates
• F28D 1/053 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight

Abstract

A heat exchanger (100) comprises a first manifold (11), a second manifold (12), multiple heat exchange tubes (20), at least one fin (30), and a hygroscopic colloid (40). The multiple heat exchange tubes (20) are respectively connected to the first manifold (11) and the second manifold (12). The heat exchange tube (20) has a tube wall, and a refrigerant channel (232) through which a refrigerant flows. The heat exchange tube has a first end (221) and a second end (222) in an extension direction thereof. The refrigerant channel (232) extends, in the extension direction of the heat exchange tube (20), from the first end (221) towards the second end (222), and passes through the heat exchange tube (20). The refrigerant channel (232) of the heat exchange tube (20) communicates with an inner cavity of the first manifold (11) and an inner cavity of the second manifold (12). At least a part of the fin (30) is provided between the two adjacent heat exchange tubes (20). The hygroscopic colloid (40) is adhered to at least part of an outer surface of the heat exchange tube (20) and/or the fin (30). Also provided are a heat exchange system comprising the heat exchanger (100), and a manufacturing method for the heat exchanger (100). At least part of a surface of the heat exchanger is covered with a hygroscopic colloidal material. The hygroscopic colloidal material can directly cover a metal surface due to adhesiveness thereof to the metal surface, and is not harmful to the metal surface.

IPC Classes  ?

• F28F 19/04 - Preventing the formation of deposits or corrosion, e.g. by using filters by using coatings, e.g. vitreous or enamel coatings of varnish
• F24F 13/30 - Arrangement or mounting of heat-exchangers
• F28D 19/04 - Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium using rigid bodies, e.g. mounted on a movable carrier
• C01G 9/02 - Oxides; Hydroxides

Abstract

The present application discloses a microchannel flat tube and a microchannel heat exchanger. The microchannel flat tube includes a flat tube body and a row of channels. The flat tube body includes a first plane, a second plane, a first side surface and a second side surface. The first side surface and the second side surface are arranged on opposite sides of the flat tube body. The row of channels is arranged in the flat tube body. The row of channels extends through the flat tube body. The row of channels extends through the flat tube body. The row of channels at least includes a first channel, a second channel and a third channel which are arranged in a width direction. Cross-sectional areas of the first channel, the second channel and the third channel in the width direction change according to an exponential function.

IPC Classes  ?

• F28F 1/02 - Tubular elements of cross-section which is non-circular
• F28D 1/053 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight

Abstract

The present application discloses an air conditioning system and a control method therefore. An intermediate heat exchanger can include a first heat exchange portion and a second heat exchange portion, a first end of the first heat exchange portion is in communication with an inlet of a compressor, a second end of the first heat exchange portion is communicable with an outlet of a second heat exchanger and/or a second end of the first heat exchanger, a first end of the second heat exchange portion is communicable with a first end of the first heat exchanger, and a second end of the second heat exchange portion is communicable with an inlet of the second heat exchanger and/or an outlet of the compressor. In the refrigeration mode, the first branch can have an adjustable amount of flow.

IPC Classes  ?

• F25B 49/02 - Arrangement or mounting of control or safety devices for compression type machines, plants or systems
• F25B 13/00 - Compression machines, plants or systems, with reversible cycle
• F25B 41/385 - Dispositions with two or more expansion means arranged in parallel on a refrigerant line leading to the same evaporator

Abstract

The present application relates to the technical field of thermal management, and in particular to a thermal management system. The thermal management system comprises a compressor, an outdoor heat exchanger, a first valve control device, a first indoor heat exchanger, a second indoor heat exchanger and a second valve control device, which are connected by means of pipelines. The thermal management system has a heating and dehumidifying mode, and in the heating and dehumidifying mode, the compressor, the first indoor heat exchanger, the second valve control device, the second indoor heat exchanger, the first valve control device and the outdoor heat exchanger communicate to form a loop, wherein the first valve control device and the second valve control device each have a conduction mode and a throttling mode; in the heating and dehumidifying mode, the second valve control device is in the throttling mode, and the first valve control device is in the throttling mode or the conduction mode; and in a refrigerating mode, the first valve control device is in the throttling mode, and the second valve control device is in the conduction mode or the throttling mode.

IPC Classes  ?

• B60H 1/22 - Heating, cooling or ventilating devices the heat being derived otherwise than from the propulsion plant
• B60H 1/32 - Cooling devices
• F24F 3/153 - Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by dehumidification with subsequent heating, i.e. with the air, given the required humidity in the central station, passing a heating element to achieve the required temperature
• F25B 13/00 - Compression machines, plants or systems, with reversible cycle
• F25B 29/00 - Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
• F25B 39/00 - Evaporators; Condensers
• F25B 43/00 - Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
• H01M 10/615 - Heating or keeping warm

Abstract

A manifold box, a heat exchanger and a method for preparing the manifold box, wherein manifold boxes (1, 2) comprise integrally formed main bodies (11), at least two distribution channels (111) are provided between a first side surface (114) and a second side surface (115) of a main body (11), and at least one mounting groove (113) communicating with at least one distribution channel (111) is recessed and formed facing the second side surface (115) from the first side surface (114). The manifold boxes (1, 2) also comprise at least one fluid channel (112) extending along the arrangement direction of the plurality of distribution channels (111) and communicating with at least part of the distribution channels (111). The distribution channels (111) and the mounting groove (113) in the manifold boxes (1, 2) are arranged in the integrally formed main body (11), so that the manifold box has better pressure resistance.

IPC Classes  ?

• F28F 9/013 - Auxiliary supports for elements for tubes or tube-assemblies
• F25B 39/02 - Evaporators

Abstract

A heat exchanger. An inner cavity of a heat exchange tube (42) of the heat exchanger is communicated with an inner cavity of a first flow collecting member (1a) and an inner cavity of a second flow collecting member (1b); a housing (3) comprises at least two groups of inlets (31) and outlets (32); a plurality of first channels (40) are located between two adjacent heat exchange tubes (42) and/or between the heat exchange tube (42) and the housing (3), the inlet (31) and the outlet (32) in each group are communicated by means of some of the plurality of first channels (40), and the first channels (40) communicated with the inlets (31) in different groups are not communicated. At least two passages for circulation of a heat exchange medium can be formed inside the housing (3) of the heat exchanger of the present application, and the heat exchange medium in the multiple passages of the heat exchanger performs heat exchange, so that multi-passage heat exchange can be implemented and application scenarios of the heat exchanger are enriched.

IPC Classes  ?

• F28D 7/00 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall

Abstract

Disclosed is a heat exchanger. An end cover (8) is assembled and fixed to a port of a first manifold (1) in a lengthwise direction or a port of a second manifold (2) in a lengthwise direction, and the end cover (8) comprises a body (141) and a first opening (142) formed in the body. The body (141) comprises a second cavity (143) and a first recess (144). The first recess (144) comprises a first bottom wall (145) close to the first opening (142), the first bottom wall (145) is provided with a third opening (145a), the third opening (145a) is in communication with the first opening (142) and the second cavity (143), the first opening (142) is farther away from an inner cavity of the first manifold (1) or an inner cavity of the second manifold (2) than the second cavity (143), and the first opening (142) is used for a refrigerant to flow in or out. The open area of the first recess (144) is larger than that of the third opening (145a). The impact on the manifold caused by the refrigerant entering the manifold can be reduced, so as to reduce the pressure resistance requirement of the manifold.

IPC Classes  ?

• F28D 7/16 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
• F28F 9/02 - Header boxes; End plates

Abstract

Disclosed are a microchannel flat tube and a microchannel heat exchanger having same. The microchannel flat tube comprises a flat tube body and a row of channels. The flat tube body comprises a first plane, a second plane, a first side face and a second side face, wherein the first plane and the second plane are arranged on two opposite sides of the flat tube body in the thickness direction; the first side face and the second side face are arranged on two opposite sides of the flat tube body in the width direction; and the first side face is connected to the first plane and the second plane, and the second side face is connected to the first plane and the second plane. The row of channels is arranged in the flat tube body in the width direction, the row of channels penetrates the flat tube body in the length direction, the row of channels at least comprises a first channel, a second channel and a third channel arranged in the width direction, and the cross sectional areas, in the width direction, of the first channel, the second channel and the third channel are changed in an exponential manner.

IPC Classes  ?

• F28F 1/02 - Tubular elements of cross-section which is non-circular

Abstract

The present application discloses a microchannel flat tube and a microchannel heat exchanger having same. The microchannel flat tube comprises a flat tube body and a row of channels, the row of channels are arranged in the flat tube body along the width direction, the row of channels pass through the flat tube body along the length direction, the cross section of each channel includes a first width in the width direction and a first height in the thickness direction, and the row of channels includes at least a first channel, a second channel, and a third channel in the width direction; and the first widths of the first channel, the second channel and the third channel decrease at a fixed ratio, so that the thickness of the microchannel flat tube is controlled easily, and the heat exchange efficiency of the third channel is improved.

IPC Classes  ?

• F28F 1/02 - Tubular elements of cross-section which is non-circular

Abstract

A heat exchange device includes a housing having an opening on one side, and a heat exchange core body. The heat exchange device also includes a connection block provided with a first channel, a second channel, a first interface, and a second interface. The connection block is also provided with a first socket of the first channel, and a first socket of the second channel. The heat exchange core body includes at least one flat tube. At least one part of one end of the flat tube extends into the first socket of the first channel and is mounted in a sealed manner with the first socket of the first channel, and at least one part of the other end of the flat tube extends into the first socket of the second channel and is mounted in a sealed manner with the first socket of the second channel.

IPC Classes  ?

• F28F 9/02 - Header boxes; End plates
• F28D 7/16 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
• F28F 9/00 - Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings

Abstract

A heat management assembly, comprising a valve assembly and a heat exchange core. The heat exchange core and the valve assembly are fixedly connected by means of welding. The valve assembly further comprises a sensor. The sensor is electrically connected to a circuit board. The sensor at least partially extends into a third flow channel. The sensor can measure the temperature and/or pressure of a working medium in the third flow channel. The heat exchange core at least comprises a positioning portion. A valve at least comprises a matching portion. The positioning portion and the matching portion are provided to correspondingly match each other. By means of the structures above, the sensor, the valve assembly, and the heat exchange core are integrally assembled to facilitate relative reduction of connections of pipelines and sensor lines, thereby facilitating structure simplification and facilitating mounting.

IPC Classes  ?

• H01M 10/613 - Cooling or keeping cold

Abstract

An air conditioning system. A first evaporator and a second evaporator are connected in parallel. A first electronic expansion valve is serially connected to the first evaporator, and a second electronic expansion valve is serially connected to the second evaporator, so that the opening degrees of the first electronic expansion valve and the second electronic expansion valve can be separately adjusted, the first electronic expansion valve and the second electronic expansion valve can perform position correction according to valve opening position information of the first electronic expansion valve and the second electronic expansion valve stored by the air conditioning system, and separately adjust target positions to calibrated target positions. Also disclosed are a control system and a control method for the air conditioning system.

IPC Classes  ?

• F25B 49/02 - Arrangement or mounting of control or safety devices for compression type machines, plants or systems
• F25B 41/31 - Expansion valves
• B60H 1/32 - Cooling devices
• F25B 5/02 - Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel

Abstract

Disclosed are an electronic expansion valve (1) and a thermal management assembly (400). The electronic expansion valve comprises a valve core (13), a rotor assembly (14), a stator assembly (15) and a circuit board (16), wherein the rotor assembly is electrically connected to the circuit board. The electronic expansion valve has a valve port (120), and the valve core moves with respect to the valve port; a valve body (11) comprises a first flow portion (23), a second flow portion (24), a first cavity (210) and a second cavity (220), wherein the first cavity is located above the valve port and the second cavity is located below the valve port; the first flow portion comprises a first connection section (232) and a first subsection (231), the first connection section is used for connecting to an external connection pipe (10), and the first subsection is directly in communication with the first cavity; the second flow portion comprises a second connection section (243) and a second subsection (241), the second connection section is used for connecting to an external connection pipe (5011), and the second subsection is directly in communication with the second cavity; in a clockwise direction, an angle formed between at least one of the center line of the first subsection and the center line of the second subsection and the center line of the valve core is an acute angle; and in this way, the electronic expansion valve can be mounted to a connection pipe of an adapter (501) and a connection pipe of an external system in a matching manner.

IPC Classes  ?

• F16K 31/06 - Operating means; Releasing devices magnetic using a magnet
• F16K 27/02 - Construction of housings; Use of materials therefor of lift valves

Abstract

A thermal management system, the thermal management system including a refrigerant system, a first heat exchange system and a second heat exchange system. In a circulation mode of the thermal management system, the cooling liquid in the first heat exchange system and the second heat exchange system can be exchanged.

IPC Classes  ?

• B60H 1/00 - Heating, cooling or ventilating devices
• F25B 7/00 - Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
• F25B 13/00 - Compression machines, plants or systems, with reversible cycle
• F25B 27/00 - Machines, plants or systems, using particular sources of energy
• F25B 41/20 - Disposition of valves, e.g. of on-off valves or flow control valves
• F25B 41/24 - Arrangement of shut-off valves for disconnecting a part of the refrigerant cycle, e.g. an outdoor part
• F25B 41/39 - Dispositions with two or more expansion means arranged in series, i.e. multi-stage expansion, on a refrigerant line leading to the same evaporator
• F25B 49/02 - Arrangement or mounting of control or safety devices for compression type machines, plants or systems

Abstract

An air conditioner controller (100) used for a vehicle, comprising: a base (10) which is provided with a mounting chamber (12); a rotary assembly (20) which is rotatably installed on the base (10), at least part of the rotary assembly (20) being located within the mounting chamber (12); and at least one bearing element (30/40) that is arranged between the base (10) and the rotary assembly (20). The present design may reduce the friction between the base (10) and the rotary assembly (20), thus reducing noise.

IPC Classes  ?

• B60H 1/00 - Heating, cooling or ventilating devices

Abstract

A pipeline connection device (300), comprising a first connection member (11), a second connection member (12) and a sealing member (13). The first connection member comprises an abutting portion (113), and the second connection member comprises a second channel (121) and a first groove portion (124) provided on the outer peripheral side of the second channel. The first groove portion is provided with a first accommodation groove (1240) for accommodating the sealing member, and a first side wall (1241) located at the inner peripheral side. At least a part of the abutting portion is accommodated in the first accommodation groove and abuts against the sealing member. A first gap (L1) is provided between the abutting portion and the first side wall, and the first gap is not greater than 0.3 mm; or the first connection member and the second connection member have at most two annular friction surfaces (119) which are in contact with each other. Further disclosed is a pipeline adapting assembly having the pipeline connection device. The arrangement of the pipeline connection device reduces the contact area between the first connection member and the second connection member, avoiding mutual jamming of the first connection member and the second connection member.

IPC Classes  ?

• F16L 23/18 - Flanged joints characterised by the sealing means the sealing means being rings
• F16L 19/02 - Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member

Abstract

A control method and a control system are provided. A valve closing position of a valve device can be controlled according to the current flow direction or working mode of a refrigerant. A stroke of the valve device from a fully-opened position to a fully-closed position is defined as a total valve closing stroke. When the flow direction of the refrigerant is a forward direction, the valve device is controlled to operate at a first valve closing position, and when the flow direction of the refrigerant is a reverse direction, the valve device is controlled to operate at a second valve closing position. The first valve closing position is different from the second valve closing position, such that wear caused by valve closing can be reduced.

IPC Classes  ?

• F25B 49/02 - Arrangement or mounting of control or safety devices for compression type machines, plants or systems
• F25B 41/31 - Expansion valves

Abstract

A heat pump system, comprising: a compressor (1), a fluid switching device (3), a first heat exchanger (21), a second heat exchanger (22), a third heat exchanger (23), a fourth heat exchanger (24), a flow regulating device (5) and a throttle element (4). The second heat exchanger (22) comprises a first heat exchange portion (221) and a second heat exchange portion (222) that exchange heat with each other. An outlet of the first heat exchange portion (221) is connected to the throttle element (4), and an inlet of the first heat exchange portion (221) may communicate with at least one among a second interface of the third heat exchanger (23) and an outlet of the fourth heat exchanger (24). An inlet of the second heat exchange portion (222) is connected to the outlet of the first heat exchanger (21), and an outlet of the second heat exchange portion (222) may be connected to an inlet of the compressor (1). In a heating mode, the throttle element (4) is turned off, and the flow regulating device (5) throttles and depressurizes a refrigerant. Since the function of the second heat exchanger (22) is reduced under heating conditions, the heating capacity of the heat pump system may be effectively exerted.

IPC Classes  ?

• F25B 13/00 - Compression machines, plants or systems, with reversible cycle
• F25B 30/00 - Heat pumps
• B60H 1/22 - Heating, cooling or ventilating devices the heat being derived otherwise than from the propulsion plant

Abstract

An electric valve (1) and a thermal management assembly (400). The electric valve (1) comprises a valve body (11); the valve body (11) comprises a first portion (113) and a second portion (114); the valve body (11) is fixedly connected to a cover body (18) by means of the first portion (113); the second portion (114) comprises a third wall (1144); the first portion (113) comprises a first side wall (1133) and a second side wall (1134); the first side wall (1133) is opposite to the second side wall (1134); the first side wall (1133) and the second side wall (1134) are located on the two sides of the valve body (11); the third wall (1144) and the first side wall (1133) are located on the same side of the valve body (11).

IPC Classes  ?

• F16K 31/04 - Operating means; Releasing devices magnetic using a motor
• F16K 27/00 - Construction of housings; Use of materials therefor
• F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
• F16K 1/32 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces - Details
• F16K 27/12 - Covers for housings

Abstract

Disclosed are an electric valve (1), a heat management assembly (400) and an air conditioning system. The electric valve (1) comprises a valve body (40), a circuit board (60) and a sensor (70), wherein the valve body (40) is internally provided with a channel (41); the sensor (70) is connected to the circuit board (60) by means of at least one of the following manners: electrical connection and signal connection; the sensor (70) is configured to detect at least one of the pressure and temperature of a working medium in the channel (41); and at least one of the valve body (40) and a housing (71) of the sensor (70) comprises a metal portion, and a reference ground (61) of the circuit board (60) is directly or indirectly electrically connected to the metal portion.

IPC Classes  ?

• F16K 31/04 - Operating means; Releasing devices magnetic using a motor
• F16K 1/32 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces - Details
• F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
• F25B 41/04 - Disposition of valves
• F25B 41/06 - Flow restrictors, e.g. capillary tubes; Disposition thereof
• H05K 1/02 - Printed circuits - Details

Abstract

The present application provides a pipeline adapter including a first connection block, a second connection block, a fastener and a seal ring. The first connection block is provided with a first channel and a first annular positioning groove disposed around the first channel. The second connection block is provided with a second channel communicating with the first channel and a second annular positioning platform fitting inside the first annular positioning groove. The second annular positioning platform is disposed around the second channel. The fastener connects the first connection block to the second connection block. The seal ring fits between the first annular positioning groove and the second annular positioning platform. The pipeline adapter is convenient to use, has a favorable sealing effect, and facilitates pipeline connection of a refrigeration system.

IPC Classes  ?

• F16L 23/024 - Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
• F16L 23/18 - Flanged joints characterised by the sealing means the sealing means being rings

Abstract

An electric heater includes a heating element, a heat transfer wall and a control module. The electric heater includes a fluid chamber, an inlet, and an outlet. The fluid chamber is in communication with the inlet and the outlet, the heat transfer wall is a portion of a wall part forming the fluid chamber, the heating element is fixed or limited to at least a portion of the heat transfer wall, the heating element is located outside the fluid chamber, and at least a portion of the heating element is in contact with the heat transfer wall. The electric heater includes a cover body wall, which is another portion of the wall part forming the fluid chamber. The control module is located outside the cover body wall, the control module is located outside the fluid chamber, the control module is electrically connected to the heating element.

IPC Classes  ?

• F24H 1/00 - Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
• F24H 1/12 - Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
• F24H 9/02 - Casings; Cover lids; Ornamental panels
• F24H 9/1818 - Arrangement or mounting of electric heating means
• H05B 3/42 - Heating elements having the shape of rods or tubes non-flexible
• B60H 1/22 - Heating, cooling or ventilating devices the heat being derived otherwise than from the propulsion plant

Abstract

A thermal management system includes a refrigerant system, which includes a compressor, a flow control device, a valve member, a first heat exchanger, a second heat exchanger, and a third heat exchanger. The flow control device includes a first throttle unit, a second throttle unit, and a valve assembly; the flow control device includes a first port, a second port, and a third port; a first connection port of the first heat exchanger is in communication with the second port, and a first connection port of the second heat exchanger is in communication with the third port, while a first connection port of the third heat exchanger is in communication with the first port. The thermal management system includes a first operating state and a second operating state.

IPC Classes  ?

• B60H 1/00 - Heating, cooling or ventilating devices
• B60H 1/32 - Cooling devices
• B60H 1/22 - Heating, cooling or ventilating devices the heat being derived otherwise than from the propulsion plant

Abstract

An automotive air conditioning system includes a compressor, a first heat exchanger, a first pump, a first combined valve, a second combined valve, an outdoor heat exchanger, a second heat exchanger and a battery unit. In a first cooling mode, the compressor, the outdoor heat exchanger, the first combined valve and the first heat exchanger communicate in sequence to form a circuit, while the first pump, the first heat exchanger and the second heat exchanger communicate to form another circuit. In a first heating mode, the compressor, the first heat exchanger, the second combined valve and the outdoor heat exchanger communicate in sequence to form a circuit, while the first pump, the first heat exchanger and the second heat exchange communicate in sequence to form another circuit. Thermal management of the battery unit can be made by interacting with the first cooling mode or the first heating mode.

IPC Classes  ?

• B60H 1/03 - Heating, cooling or ventilating devices the heat being derived from the propulsion plant and from a source other than the propulsion plant
• B60H 1/00 - Heating, cooling or ventilating devices
• B60H 1/32 - Cooling devices