Disclosed in the present invention is an electrolytic cell. The electrolytic cell comprises a cell body (1) having an electrode chamber (110), wherein a pair of electrode plates (3) spaced apart from each other are provided in the electrode chamber (110), an insulating separation mesh (4) located between the two electrode plates (3) is provided in the electrode chamber (110), and the insulating separation mesh (4) is freely suspended thus allowing same to freely move under the action of a water flow. Compared with the prior art, the electrolytic cell of the present invention can enhance the turbulence effect, so as to accelerate gas exhaust, inhibit scale deposition, and accelerate ion transport. Further disclosed in the present invention is a cleaning machine using the electrolytic cell. The cleaning machine comprises a machine body (1') and an electrolyzed-water preparation assembly (2'). The cleaning machine of the present invention is integrated with an electrolyzed-water preparation function and occupies a small space.
A spray arm for a cleaning machine, comprising a spray arm body (1). A plurality of water spray holes (13) and a water outlet (14) are formed in the spray arm body (1), and a nozzle (2) capable of rotating relative to the spray arm body (1) is connected to the water outlet (14), spray holes (21) are formed in the nozzle (2), and the outer side wall (2a) of the nozzle (2) is provided with an air layer which can surround the spray holes (21) so as to supply air to the spray holes (21) to form jets of water with bubbles. Further disclosed in the present invention is a cleaning machine with the spray arm. The spray arm of the present invention is provided with a nozzle capable of rotating along with the spray arm and rotating relative to the spray arm at the same time, so that cleaning dead angles can be eliminated. Jets of water with bubbles are formed by means of an air-entrapping structure, and bubbles entrained in water flow are broken at the moment when the jets of water with bubbles are in contact with pollutants, so that the stripping force of the pollutants on the surface of an object to be cleaned is improved, and the cleaning effect is further improved.
03 - Produits cosmétiques et préparations de toilette; préparations pour blanchir, nettoyer, polir et abraser.
07 - Machines et machines-outils
Produits et services
Carpet cleaning preparations; Chemical cleaning preparations for household purposes; Cleaning preparations; Cleaning preparations for household purposes; Cloths impregnated with a detergent for cleaning; Floor wax removers; Non-medicated toiletry preparations; Non-slipping wax for floors; Polish for furniture and flooring; Scouring powders; Scouring solutions; Stain removing preparations Automatic floor scrubbers; Brushes for vacuum cleaners; Central vacuum cleaning installations; Cleaning appliances utilizing steam; Dust exhausting installations for cleaning purposes; Dust removing installations for cleaning purposes; Electric cordless sweepers; Electric sweepers; Electric vacuum cleaners; Floor cleaning machines; Floor scrubbing machines; Floor washing machines; Hand-held vacuum cleaners; Machines and apparatus for carpet shampooing, electric; Rechargeable sweepers; Robotic vacuum cleaners; Steam cleaners for household purposes; Steam mops; Suction nozzles for vacuum cleaners; Vacuum cleaner attachments for cleaning mites on upholstery and bedding; Vacuum cleaner attachments for disseminating perfumes and disinfectants; Vacuum cleaner bags; Vacuum cleaner hoses; Vacuum cleaners; Vacuum cleaners powered by rechargeable batteries; Vacuum cleaners for household purposes; Cordless vacuum cleaners; Dust filters and bags for vacuum cleaners; Dust filters for vacuum cleaners; Electric machines and apparatus for cleaning floors; Electric steam mops; Electric steam mops for household purposes; Electric vacuum cleaners and their components
A water flow system for a washer comprises a volute, a guide vane for water diversion and a centrifugal impeller. The volute has a first water outlet and a second water outlet. The guide vane is disposed inside of the volute dividing an inner chamber into an upper chamber and a lower chamber. The first water outlet communicates with the upper chamber, and the second water outlet communicates with the lower chamber. The guide vane has one or more water guide grooves at an outer edge of the guide vane for water to flow from the lower chamber into the upper chamber. One path of water is outputted through the first water outlet, the other path of water is outputted through the second water outlet, while the guide vane itself does not move.
A water flow system for a washer, and a washer. The water flow system for a washer comprises a volute, a guide vane, and a centrifugal impeller. A first water outlet is formed in the top of the volute, and a second water outlet is formed in the side of the volute; the guide vane is disposed in the volute and partitions the inner cavity of the volute into an upper cavity and a lower cavity; the first water outlet is communicated with the upper cavity, and the second water outlet is communicated with the lower cavity; the edge of the guide vane is provided with water guide openings for water to enter the upper cavity from the lower cavity. According to the present invention, the guide vane capable of performing flow division on water is provided in the volute; after the flow division, one path of water is output through the first water outlet in the top of the volute, and the other path of water is output through the second water outlet in the side of the volute; the guide vane itself does not move; under the flow division effect of the guide vane, the interference problem of the two paths of outlet water is solved, and the energy loss of water flow is reduced, so that both the two paths of outlet water can maintain a high lift and a large water flow rate.
A spray arm, a water pumping mechanism and a cleaning machine thereof are disclosed in the present invention. The spray arm comprises a body (1;1′) and a top plate (2;2′). An air collection chamber (20;20′) is defined between the top plate (2;2′) and the top surface (1a; 1a′) of the body (1;1′), a plurality of water spray holes (13) is arranged in the air collection chamber (20;20′), the top plate (2;2′) has a plurality of spray openings (21) each corresponding to one water spray hole (13), and a gap (100) is formed between a top end of each water spray hole (13) and a bottom end of the corresponding spray opening (21). According to the Venturi effect, the air in the air collection chamber can be sucked into the spout through the gap when the water flow passes through the water spray hole and is jetted out through the spray opening, such that bubbles are entrained in the jet flow; the bubbles are broken on surfaces of dishes or fruits and vegetables, which can improve dirt stripping force, and improve the washing effect.
37 - Services de construction; extraction minière; installation et réparation
Produits et services
Advertising; business management assistance; import-export
agency services; auctioneering; personnel management
consultancy; administrative services for the relocation of
businesses; office machines and equipment rental;
book-keeping; rental of vending machines; organization of
technical exhibitions for commercial or advertising
purposes. Building construction supervision; construction; mining
extraction; cleaning of building interiors; boiler cleaning
and repair; electric appliance installation and repair;
installation and repair of air-conditioning apparatus;
installation, maintenance and repair of kitchen equipment;
installation and maintenance of bathing apparatus;
installation and maintenance of illuminating apparatus;
cleaning of cars; airplane maintenance and repair;
shipbuilding; photographic apparatus repair; clock and watch
repair; strong-room maintenance and repair; rustproofing;
retreading of tyres; furniture restoration; renovation of
clothing; disinfecting; elevator installation and repair.
A guiding mechanism, includes a guiding surface enclosed by a first curve segment, a second curve segment, a third curve segment and a first straight line segment; a starting point of the first curve segment is defined as an origin of coordinates, two perpendicular straight lines passing through the origin of coordinates on a plane where the first curve segment is located are respectively defined as X-axis and Y-axis, and a line perpendicular to both the X-axis and the Y-axis is defined as Z-axis; coordinates of an ending point of the first curve segment is (x3,y3), x3≠0 and y3≠0. The present invention also discloses a centrifugal fan and a range hood.
A range hood, includes a fan system (2), the fan system (2) having a volute (21) and an impeller (22); the volute (21) includes a front cover (211), a rear cover (212) and an annular wall (213); the annular wall (213) has a volute tongue (214); the front cover (211) has an air inlet (215), the air inlet (215) faces downward to make the range hood to be a horizontal range hood; the volute tongue (214) is gradually inclined from the rear cover (212) to the front cover (211) in a direction opposite to the rotation direction of the impeller (22).
37 - Services de construction; extraction minière; installation et réparation
Produits et services
Advertising; business management assistance; import-export agency services; auctioneering; personnel management consultancy; office machines and equipment rental; book-keeping; rental of vending machines; organization of exhibitions for commercial or advertising purposes Building construction supervision; boiler cleaning and repair; electric appliance installation and repair; installation and repair of air-conditioning apparatus; installation, maintenance and repair of kitchen equipment; installation and maintenance of bathing apparatus; photographic apparatus repair; clock and watch repair; strong-room maintenance and repair; rustproofing; retreading of tyres; furniture restoration
An air valve structure, comprising an air valve housing (1), a rotatable valve plate (2), and a motor (3). The air valve housing (1) is provided with an air inlet (11), a first air outlet (12), and a second air outlet (13); under the driving of the motor (3), the valve plate (2) can rotate to a position at which only the first air outlet (12) or only the second air outlet (13) is opened; the air inlet (11) is provided at the bottom of the air valve housing (1); the first air outlet (12) is provided at the side of the air valve housing (1); the second air outlet (13) is provided at the top of the air valve housing (1); and when the valve plate (2) rotates to a state where the second air outlet (13) is closed, airflow flowing in from the air inlet (11) flows to the valve plate (2) and flows out from the first air outlet (12) under the flow guide of the valve plate (2). The air valve structure can guide the airflow flowing into the air valve, has a better flow guiding effect on the airflow, and is more beneficial to reduce noise.
F16K 11/052 - Soupapes ou clapets à voies multiples, p. ex. clapets mélangeursRaccords de tuyauteries comportant de tels clapets ou soupapesAménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont toutes les faces d'obturation se déplacent comme un tout comportant uniquement des soupapes ou des clapets à éléments de fermeture articulés à pivot, p. ex. soupapes ou clapets du type papillon
An air-conditioner type range hood, comprising an air conditioner internal unit (1), a compressor (3), a condenser (4) and an oil fume suction fan (5), wherein the condenser (4) is arranged in a fume discharge cavity (6), which is downstream of the oil fume suction fan (5); a first water intake joint (71) and a second water intake joint (72) are provided on a first water receiving box (7); an internal unit water outlet (11) of the air conditioner internal unit (1) communicates with the first water intake joint (71); a water discharge port (61), which is at the bottom of the fume discharge cavity (6), communicates with the second water intake joint (72); condensed water in the first water receiving box (7) is delivered to a surface of the condenser (4); and condensed water flowing from the surface of the condenser (4) flows back into the first water receiving box (7) by means of the second water intake joint (72). In the air-conditioner type range hood, condensed water discharged from the air conditioner internal unit (1) can flow into the first water receiving box (7), condensed water in the first water receiving box (7) can be delivered to the condenser (4) after being discharged, so as to cool the condenser, such that a heat exchange effect of the condenser is improved, and condensed water which is not evaporated by the condenser (4) can also flow back into the first water receiving box (7), so as to recycle condensed water.
F24F 1/00 - Climatiseurs individuels pour le conditionnement de l'air, p. ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale
F24F 13/22 - Moyens pour éviter la condensation ou pour évacuer le condensat
F24F 1/42 - Éléments extérieurs séparés, p. ex. élément extérieur à relier à un élément intérieur séparé comprenant un compresseur et un échangeur de chaleur caractérisés par l'emploi d'un condensat, p. ex. pour un refroidissement amélioré
A fan system is provided, which includes a volute having a front cover, a rear cover and an annular wall connected between the front cover and the rear cover; an impeller disposed inside the volute, and a motor; the front cover has an air inlet facing downward in the state when the fan system is mounted; the motor includes a motor body and an edge; the edge is connected to the rear cover at the side of the rear cover facing the air inlet. A range hood equipped with the fan system and a mounting method for a flow guide device of the range hood are provided.
A parallel double fan system, includes two fan systems disposed in parallel; wherein each fan system includes a volute having a front cover, a rear cover and an annular wall; the annular wall has a volute tongue; the rear cover has a first air outlet located above the corresponding volute tongue, two first air outlets in the two fan systems are communicated with each other. A range hood equipped with the parallel double fan system is also disclosed.
An air guide box includes a box body. The box body includes a first wall and a second wall disposed opposite to each other. The first wall has an air inlet. Air outlets are respectively disposed between corresponding edges of the first and second walls. The second wall is recessed toward the first wall, and a portion of the second wall corresponding to the air inlet is a largest recessed position. From the largest recessed position to the air outlets, the second wall is gradually inclined in a direction away from the first wall, so that an inner surface of the second wall facing the first wall forms guiding slopes respectively form the largest recessed position to the edges of the first and second walls.
Water heaters; electric stoves; coffee roasters; electric cooking utensils, namely, grills; fruit roasters; electric cooking ovens; electric bread toasters; electric roasters; electric coffee filters, namely, coffee filters not of paper being part of electric coffee makers; electric coffee percolators; electric coffee machines; electric kettles; gas water heaters; electric water heaters; refrigerators; air conditioning apparatus; air purifiers for domestic use; flushing tanks, namely, toilet tanks; solar power water heaters; water filters; sea water desalination units; drinking water dispensers with integral water heaters; electric radiators for room heating; lighters for igniting gas, namely, oven gas igniters
A cleaning machine, comprising a box body (6), a first water outlet component, a second water outlet component (b) and a water pumping mechanism (a). The first water outlet component is arranged at the lower part of the box body (6), and the second water outlet component (b) is arranged at the upper part of the box body (6). The water pumping mechanism (a) comprises a water-drawing assembly (100) and a driving member (5) that may independently supply water for the first water outlet component and the second water outlet component (b). The water-drawing assembly (100) is arranged in the box body (6), and the driving member (5) is arranged outside the box body (6). The cleaning machine may separately provide power for two channels of cleaning water, which avoids the problem of a two-way water supply competing for a water stream, and may increase the amount of work that a single water stream does, and increase the hydraulic head and amount of each water stream, thus improving the cleaning effect.
A47L 15/08 - Machines à laver ou à rincer la vaisselle ou les ustensiles de table à circulation et agitation du liquide de nettoyage dans une cuve de nettoyage contenant un panier fixe au moyen d'un effet de pression produit par des pompes
24.
SPRAY ARM, AND WATER PUMPING MECHANISM AND CLEANING MACHINE THEREOF
A spray arm, a water pumping mechanism and a cleaning machine thereof are disclosed. The spray arm comprises a body and a top plate. An air collection chamber is defined between the top plate and the body’s top surface, a plurality of water spray holes is arranged in the air collection chamber, the top plate has a plurality of spray openings each corresponding to one water spray hole, and a gap is formed between a top end of each water spray hole and a bottom end of the corresponding spray opening. The air in the air collection chamber can be sucked into the spout through the gap when the water flow passes through the water spray hole and is jetted out through the spray opening, such that bubbles are entrained in the jet flow. The bubbles are broken on surfaces of objects to be washed.
A spray arm, and a water pumping mechanism and cleaning machine thereof. The spray arm comprises a body (1, 1') and a top plate (2, 2'), the top plate (2, 2') and the top surface (1a, 1a')of the body (1, 1') jointly enclosing a gas collection chamber(20, 20'). Water spraying holes (13) are located in the gas collection chamber (20, 20'), nozzles (21) corresponding to the water spraying holes (13) are formed in the top plate (2, 2'), and gaps (100) capable of generating negative pressure during a water spraying process are provided between the upper ends of the water spraying holes (13) and the lower ends of the nozzles (21). Air inlets (154) in communication with the gas collection chamber (20, 20') are formed in the top plate (2, 2') and/or a side wall (1c, 1c') of the body (1, 1'). On the basis of the Venturi effect, in the process of water flowing through the water spraying holes (13) and spraying out from the nozzles (21), air in the gas collection chamber (20, 20') can be suctioned into the water columns by means of the gaps (100) between the water spraying holes and the nozzles, thereby causing air bubbles to be entrained in the jet flow, said bubbles being able to strengthen a dirt removing force by bursting on dishes or fruits and vegetables, improving the cleaning effect.
A smoke deflector (3), comprising a central plate (33) located in the middle, and a circle of side plates (34) surrounding the periphery of the central plate (33), wherein the side plates (34) incline upwards from edges thereof to the middle; and at least one edge (34a) of the entire smoke deflector (3) is arc shaped, and the arc-shaped edge (34a) is in smooth transition with another edge (34b) of the smoke deflector (3) that is adjacent thereto. Further disclosed is a range hood using the smoke deflector (3). Compared with the prior art, due to the arc-shaped design of the smoke deflector (3), impediments to an airflow can be reduced, and the subsequent incoming flow condition of an air inlet (21) is improved; and at least a front end (3a) of the smoke deflector (3) is arc shaped, such that cooking fumes can be prevented from escaping from the front end (3a).
Disclosed is a fan system, comprising a volute casing (21), and an impeller (22) and an electric motor (23) arranged inside the volute casing (21), wherein the volute casing (21) comprises a front cover plate (211), a rear cover plate (212) and an annular wall (213); an air inlet (215) is formed on the front cover plate (211); the air inlet (215) faces downwards when the fan system is in a mounting state; the electric motor (23) comprises an electric motor body (231) and a skirt edge (233); and the skirt edge (233) is connected and fixed to the rear cover plate (212) by means of a side of the rear cover plate (212) facing the air inlet (215). Further disclosed are a range hood using the fan system, and a mounting method for a flow guiding device of the range hood. Compared with the prior art, the present invention allows the electric motor to be mounted from the air inlet, such that when the draught fan system is horizontally arranged, disassembly and assembly of the electric motor can be conveniently completed.
A parallel-connected double-fan system and a range hood applying the same. The fan system comprises two fan systems configured to be connected in parallel. Each of the fan systems comprises a volute (21). The volute (21) comprises a front cover plate (211), a rear cover plate (212), and an annular wall (213). The annular wall (213) comprises a volute tongue (214). A first air outlet (217) covering the volute tongue (214) is provided on the rear cover plate (212). Two first air outlets (217) of the two fan systems are in communication with each other. A first profile (L1) of the volute (21) is a profile at where the annular wall (213) and the rear cover plate (212) meet. The first profile (L1) comprises a first segment (AP 3), a second segment (P3P0), a third segment (P0D), a fourth segment (DE), a fifth segment (EF), and a sixth segment (FG) sequentially and smoothly connected. A starting point of the first segment (AP3) and an end point of the sixth segment (FG) serve as a starting point and an end point of the first profile (L1), respectively. An end point of the second segment (P3P0) corresponds to an end point of the volute tongue (214) in the first profile (L1). The third segment (P0D) is a spiral segment having a constant spiral angle. The fourth segment (DE) is a spiral segment having a spiral angle gradually decreasing from the connection thereof with the third segment (P0D) to the connection thereof with the fifth segment (EF). The parallel-connected double-fan system can reduce flow loss while ensuring that the flow volume requirement is met.
3300330000D) to the connection thereof with the fifth segment (EF). The parallel-connected double-fan system can reduce flow loss while ensuring that the flow volume requirement is met.
A range hood, comprising a fan system (2). The fan system (2) comprises a volute (21) and an impeller (22); the volute (21) comprises a front cover plate (211), a rear cover plate (212), and an annular wall (213); a volute tongue (214) is formed on the annular wall (213); an air inlet (215) is provided in the front cover plate (211); the air inlet (215) faces downward to form a horizontal range hood; the volute tongue (214) gradually inclines in a direction opposite to the rotation direction of the impeller (22) from the rear cover plate (212) to the front cover plate (211). The flow rate is increased by narrowing a channel between the volute tongue (214) and the impeller (22) to form certain gas reflux, thereby allowing oil flowing from the inner side of the front cover plate (211) of the volute (21) to an air outlet to be blown to the channel, and to flow downwards for collection.
A sink-type washing apparatus, comprising a first sink (1) having a first water discharge port (11), a second sink (2) having a second water discharge port (21), a first water outlet pipe (3), and a second water outlet pipe (4). The first end of the first water outlet pipe (3) is in fluid communication with the first water discharge port (11), and the second end of the first water outlet pipe (3) is in fluid communication with a sewer pipe; the first end of the second water outlet pipe (4) is in fluid communication with the second water discharge port (21), and the second end of the second water outlet pipe (4) is in fluid communication with a communicating hole (30); and the longitudinal section of the portion (43) of the second water outlet pipe (4) adjacent to the first end thereof is U-shaped. When the water flow of the first water outlet pipe is large, the water of the first water outlet pipe may flow to the second water outlet pipe, and at this time, the U-shaped structure has a buffer function, and prevents the water of the first water outlet pipe from gathering at the water discharge port of the second sink.
A range hood, comprising a fan system (2). The fan system (2) comprises a volute (21) and an impeller (22); the volute (21) comprises a front cover plate (211), a rear cover plate (212), and an annular wall (213); a volute tongue (214) is formed on the annular wall (213); an air inlet (215) is provided in the front cover plate (211); the air inlet (215) faces downward to form a horizontal range hood; the volute tongue (214) gradually inclines in a direction opposite to the rotation direction of the impeller (22) from the rear cover plate (212) to the front cover plate (211). The flow rate is increased by narrowing a channel between the volute tongue (214) and the impeller (22) to form certain gas reflux, thereby allowing oil flowing from the inner side of the front cover plate (211) of the volute (21) to an air outlet to be blown to the channel, and to flow downwards for collection.
A flow guide device, a centrifugal fan using the flow guide device, and a range hood. The flow guide device comprises a flow guide surface (231); a first curve segment (AD), a second curve segment (EA), a third curve segment (DF), and a first straight line segment (FE) jointly define the flow guide surface; a starting point (A) of the first curve segment serves as an origin of coordinates, two mutually perpendicular straight lines which pass through the origin of coordinates and are located on the plane where the first curve segment is located are respectively marked as an X axis and a Y axis, and a straight line perpendicular to both the X axis and the Y axis is marked as a Z axis, so that coordinates of an ending point (D) of the first curve segment are (x3,y3) and the inequalities x3≠0 and y3≠0 are satisfied, and Z coordinates of a starting point (F) and an ending point (E) of the first straight line segment are not equal to 0. The flow guide surface of the flow guide device is a curved surface formed by three curves, so that air flow can be effectively guided to turn, and turning energy loss and aerodynamic noise can be reduced.
A flow guide device, a centrifugal fan using the flow guide device, and a range hood. The flow guide device comprises a flow guide surface (231); a first curve segment (AD), a second curve segment (EA), a third curve segment (DF), and a first straight line segment (FE) jointly define the flow guide surface; a starting point (A) of the first curve segment serves as an origin of coordinates, two mutually perpendicular straight lines which pass through the origin of coordinates and are located on the plane where the first curve segment is located are respectively marked as an X axis and a Y axis, and a straight line perpendicular to both the X axis and the Y axis is marked as a Z axis, so that coordinates of an ending point (D) of the first curve segment are (x3,y3) and the inequalities x3?0 and y3?0 are satisfied, and Z coordinates of a starting point (F) and an ending point (E) of the first straight line segment are not equal to 0. The flow guide surface of the flow guide device is a curved surface formed by three curves, so that air flow can be effectively guided to turn, and turning energy loss and aerodynamic noise can be reduced.
An impeller (200), comprising a front disc (1), a rear disc (2) and a blade (3) arranged between the front disc (1) and the rear disc (2). An inlet angle of the blade (3) increases along an axial direction of the impeller (200) from the front disc (1) to the rear disc (2). Also disclosed are a centrifugal fan (100) using the impeller (200), and a rangehood using the centrifugal fan (100). Compared with the prior art, an inlet angle which changes along the axial direction is arranged such that working capability matches air flow volume, thus the non-uniformity of outlet velocity of the impeller (200) is mitigated, and a secondary vortex near the upper cover of a volute (300) can be improved.
Water heaters; hot air ovens; bakers' ovens; stoves; coffee roasters; electric cooking utensils; fruit roasters; gas ovens; gas stoves; electric stoves; electric ovens; bread toasters; Cooking ranges; roasters; electric coffee filters; electric coffee percolators; electric coffee machines; electric kettles; Microwave ovens for cooking; gas water heaters; electric water heaters; refrigerators; air conditioning apparatus; air purifying apparatus and machines; Range hoods for household purposes; faucets; flushing tanks; Solar water heaters; sterilizing apparatus; water filters; Water purification, desalination and conditioning installations; water purifying apparatus and machines; disinfectant apparatus; Wastewater treatment installations; Apparatus for descaling water; Sterilizing installations; Water dispensers; Electric radiators for heating buildings; Friction lighters for igniting gas. Cupboards; benches; sideboards; writing desks; office furniture; chairs; chests of drawers; counters [furniture]; tables; cabinet work; desks; shelves for storage; plate racks; display cabinets; dinner wagons; boxes of wood or plastic; washstands [furniture].
37.
AIR GUIDE BOX AND RECIRCULATING RANGE HOOD USING SAID AIR GUIDE BOX
An air guide box, comprising a box body (21), the box body (21) comprising a first side wall (214) and a second side wall (215) arranged opposite to each other. An air inlet (211) is provided on the first side wall (214). Air outlets (212) are respectively formed between the corresponding edges of the first side wall (214) and the second side wall (215). A position on the second side wall (215) corresponding to an air inlet (211) is a maximum concave position (P). A guide inclined surface (216) is formed on the inner side surface of the second side wall (215). Also provided is a recirculating range hood using said air guide box. By providing the guide inclined surface (216) on the top surface of the air guide box, an airflow can be easily guided to the air outlets (212), thereby avoiding a vortex generated from direct rebounding of an unguided airflow.
F24C 5/20 - Poêles ou fourneaux à combustibles liquides spécialement adaptés pour voyager, p. ex. démontables
F04D 29/44 - Moyens de guidage du fluide, p. ex. diffuseurs
G10K 11/175 - Procédés ou dispositifs de protection contre le bruit ou les autres ondes acoustiques ou pour amortir ceux-ci, en général utilisant des effets d'interférenceMasquage du son
A kitchen air-conditioning system comprises a air-conditioning assembly and a range hood assembly; the air-conditioning assembly comprising a compressor, a first heat exchanger and a second heat exchanger which are connected with each other through a plurality of refrigerating medium pipes; and the air-conditioning assembly has a fresh air inlet and a fresh air outlet, the fresh air coming from the fresh air inlet is divided into two paths; the fresh air entering the first heat exchanger flows into the kitchen through the fresh air outlet, and the fresh air entering the air intake area cools the third heat exchanger in the range hood assembly and is then exhausted to the outside through the range hood, which is helpful to reduce the intake-air temperature of the second heat exchanger, thereby improving the energy efficiency of the air conditioner.
A central air-conditioning system, comprises a plurality of air-conditioning assemblies (1) and a plurality of range hood assemblies (2); each air-conditioning assembly (1) comprises a compressor (11), a first heat exchanger (12) and a second heat exchanger (13) which are connected with each other through refrigerating medium pipes (14); all the range hood assemblies (2) are in communication with the public flue (6); a third heat exchanger (3) and the second heat exchanger (13) is connected through a secondary refrigerant channel (4); each end of each secondary refrigerant channel (4) respectively exchanges heat with the second heat exchanger (13) and the third heat exchanger (3). As all the range hood assemblies (2) are in communication with the public flue (6), the third heat exchanger (3) exchanges heat with the second heat exchangers (13) through the secondary refrigerant channel (4), when the system is operating, the heat energy generated by the air-conditioning assemblies (1) can be discharged through the public flue (6).
F24F 1/0011 - Éléments intérieurs, p. ex. ventilo-convecteurs caractérisés par les sorties d’air
F24F 1/0063 - Éléments intérieurs, p. ex. ventilo-convecteurs caractérisés par des échangeurs de chaleur par le montage ou la disposition des échangeurs de chaleur
F24F 7/08 - Ventilation avec réseau de gaines à circulation d'air forcée, p. ex. par un ventilateur avec conduits séparés pour l'air fourni et l'air expulsé
F24F 13/06 - Bouches pour diriger ou distribuer l'air dans des pièces ou enceintes, p. ex. diffuseur d'air de plafond
F24F 13/30 - Agencement ou montage d'échangeurs de chaleur
F24F 1/0323 - Climatiseurs individuels monoblocs pour le conditionnement de l'air, c.-à-d. avec tout l'appareillage nécessaire au traitement placé dans une enveloppe caractérisés par des échangeurs de chaleur par le montage ou la disposition des échangeurs de chaleur
F24F 5/00 - Systèmes ou appareils de conditionnement d'air non couverts par ou
A range hood, comprising an air inlet assembly (1), a fume collecting assembly (2) and a box body (3), wherein the air inlet assembly (1) comprises a first housing (11) and an air inlet (12); the fume collecting assembly (2) comprises a second housing (21) and a fume baffle (22), the first housing (11) can lift with respect to the second housing (21), and the top of the second housing (21) is fixed to the box body (3); and the air inlet assembly (1) can be in a closed state in which the first housing (11) moves into the second housing (21), or in an open state in which the air inlet (12) on the first housing (11) is at least partially exposed below the second housing (21). Further disclosed is a control method for a range hood. The range hood can adapt to a pan (200) with different heights, has a short lifting stroke and stable lifting, and quickly sucks oil fumes conveniently; and when the fume baffle (22) matches the air inlet (12), the size of the fume baffle (22) is more flexibly selected, and the negative pressure distribution of inflow is better regulated.
The present invention discloses a panel mechanism of a range hood. The range hood comprises a left side plate (3), a right side plate (4), and a plurality of hanging pieces (5); the panel mechanism comprising a panel (1) and a panel frame (2), the panel frame (2) comprises a center plate (20), a left hanging bar (21), a right hanging bar (22) and a support bar (26), the left hanging bar (21) and the right hanging bar (22) has a plurality of hanging slots (23,24), each hanging slot (23,24) engages one hanging piece (5); the first hanging slot (23) is bent backward from the top to the down; and the second hanging slot (24) is sloped backward from the top to the down; the opening of each of the first hanging slot (23) and the second hanging slot (24) is bigger than the inner end of the first hanging slot (23) and the second hanging slot (24), enabling the first hanging slot (23) and the second hanging slot (24) to be hung on the corresponding hanging pieces (5) more easily. Therefore, it is easy for assembly and disassembly.
The present invention discloses a burner cap. The burner cap comprises a main body (1) with an annular wall (10), a plurality of first main fire holes (11) is defined on the upper layer, and a plurality of second main fire holes (12) is defined on the lower layer; the annular wall (10) has an annular groove (2), and the annular wall (10) also has a fire holding channel (21), which connects to the annular groove (2) and connects to the first main fire holes (11), and/or the second main fire holes (12). So that the burner cap can significantly improve the combustion efficiency of the gas range while holding the flame from the first and second main fire holes.
F23D 14/06 - Brûleurs à gaz avec prémélangeurs, c.-à-d. dans lesquels le combustible gazeux est mélangé à l'air de combustion en amont de la zone de combustion du type à induction, p. ex. becs Bunsen avec les orifices de sortie disposés radialement dans la tête du brûleur
The present invention discloses a control panel mechanism of a range hood. The control panel mechanism comprises a glass panel (1) and a control component (2), a plurality of mounting plates (4) each having two ends are disposed on the back of the glass panel (1), one end of each mounting plate (4) is connected to the control component (2) by a plurality of first fasteners (6); the mounting plates (4) are detachably connected to a front side plate (31) of a housing (2) of the range hood, and the mounting plates (4) is attached to a top plate (32) of the housing (2) by a second fastener (7). So that it is very convenient to assemble and disassemble the control component.
A kitchen air conditioning system. A compressor (11), a condenser (12) and an evaporator (13) of an air conditioning assembly of said system are communicated by means of a supercooling medium pipeline (14). A cooking fume suction assembly comprises a housing (20) and a fume exhaust channel (22), the condenser (12) being arranged in the fume exhaust channel (22). Further arranged in the housing (20) are an air outlet channel (23) and a water condensation transporting apparatus (3) used to transport water condensation produced by the evaporator (13) to the condenser (12) and allow the water condensation to flow along the surface of the condenser (12). When the present kitchen air conditioning system is operating, cooking fumes can carry heat away from the condenser (12), and can further transport water condensation generated by the evaporator (13) to the surface of the condenser (12), in one aspect cooling the condenser (12), improving the heat exchange effect of the condenser (12), and thus improving air conditioning energy efficiency, and in another aspect, the water condensation being heated by the condenser (12), then being able to evaporate, and then be exhausted from the fume exhaust channel (22), thus eliminating a water condensation outlet apparatus.
A kitchen air conditioning system. An air conditioning assembly comprises a compressor (11), a first heat exchanger (12), and a second heat exchanger (13). A cooking fume suction assembly is provided with a fume exhaust channel (21) and an air outlet channel (22), an air outlet of the air outlet channel (22) being in communication with an internal-phase fluid of the kitchen. The first heat exchanger (12) is arranged inside the fume exhaust channel (21), and the second heat exchanger (13) is arranged inside the air outlet channel (22). The kitchen air conditioning system features a compact structure, with the air conditioning assembly and the cooking fume suction assembly being organically combined, and a high degree of integration, with cooking fumes expelled from the fume exhaust channel further being able to carry away heat or cold from the first heat exchanger, improving the heat exchange effect of the first heat exchanger, thereby helping to improve air conditioning energy efficiency.
F24F 1/0003 - Climatiseurs individuels pour le conditionnement de l'air, p. ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale caractérisés par un agencement modulaire, c.-à-d. dans lesquels des parties du système de conditionnement d’air, p. ex. l'évaporateur et le condenseur, sont disposées dans des éléments séparés
F24F 5/00 - Systèmes ou appareils de conditionnement d'air non couverts par ou
F24F 3/16 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaireAppareillage spécialement conçu pour de tels systèmes caractérisés par le traitement de l'air autrement que par chauffage et refroidissement par purification, p. ex. par filtrageSystèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaireAppareillage spécialement conçu pour de tels systèmes caractérisés par le traitement de l'air autrement que par chauffage et refroidissement par stérilisationSystèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaireAppareillage spécialement conçu pour de tels systèmes caractérisés par le traitement de l'air autrement que par chauffage et refroidissement par ozonisation
F24F 7/08 - Ventilation avec réseau de gaines à circulation d'air forcée, p. ex. par un ventilateur avec conduits séparés pour l'air fourni et l'air expulsé
F24F 11/67 - Basculement entre les modes de chauffage et de refroidissement
46.
INTEGRATED COOKING UTENSIL AND CONTROL METHOD THEREFOR
An integrated cooking utensil, comprising a stove body (1), a stove (2) and a range hood (4). The range hood (4) comprises an air inlet mechanism (41), an air outlet mechanism (42), a filter assembly and a fan system (44), the fan system (44) being in communication with the air inlet mechanism (41) and the air outlet mechanism (42) respectively, the air inlet mechanism (41) comprising air inlet channels (411, 413) and an air inlet port (412), and the filter assembly being three oil fume filter modules (431,432, 433) arranged inside the air inlet channels (411, 413). Further disclosed is a control method for the integrated cooking utensil. The integrated cooking utensil can improve safety, the oil fume extracting effect and the oil fume purifying effect.
The present invention discloses a contactless control device for a range hood and a control method thereof. The contactless control device comprises two sets of infrared gesture sensing devices disposed on the housing of the range hood, and a detected signal analysis device. Each set of infrared gesture sensing devices comprises one infrared receiving device and at least one infrared transmitting device. The distance L between two infrared receiving devices meets the following condition: H*tan(θ)+H*tan(β)+W_min
Disclosed is a water purifier comprising a water purification device and a faucet (6) connected to each other by means of a water purification pipeline (100). The faucet (6) supplies purified water after raw water has been filtered by the water purification device. The water purification device comprises a plurality of filter modules connected by means of the water purification pipeline (100). At least one of the filter modules employs membrane chromatography to remove heavy metal ions. In the water purifier of the present invention, at least one filter module employs membrane chromatography to remove heavy metal ions while keeping other beneficial mineral elements, thereby reserving beneficial minerals in water.
A protection device for an oil-smoke sensor has a protection housing having two ends and an inner chamber; the first end having a first opening for receiving a probe of the oil-smoke sensor and in communication with the inner chamber; a second opening is disposed on the second end which is opposite to the first opening and in communication with the inner chamber. Because the probe is sealing mounted in the first opening, the probe will not be directly exposed in oil-smoke flow. The protective device is mounted such that the axial direction of the protective device is vertical to the oil-smoke flow direction. Therefore, the inner chamber of the protection housing has a pressure with respect to the oil-smoke flow that tangentially flows at a high speed, and the oil-smoke can only be diffused into the protection housing, thus, the probe is much less likely to be contaminated.
Disclosed in the present invention is a water purification device integrated waterway module, comprising a shell (1), foam plastic (6), and a cover plate (2), the shell having a water inlet interface (11), a water outlet interface, a filter core interface (14), and a valve mounting interface (15), the water inlet interface (11), the water outlet interface, the filter core interface (14), and the valve mounting interface (15) respectively being provided with connectors (4), and a plurality of connecting water pipes (5) being arranged between the connectors; the foam plastic (6) fills an inner cavity of the shell (1) and positions the connecting water pipes (5). Also disclosed in the present invention is a manufacturing method for the integrated waterway module. Due to the use of foam plastic filling, the water purification device integrated waterway module of the present invention has the advantages of being low cost and easy to manufacture, and having good thermal insulation and shock absorption effects.
B01D 35/00 - Dispositifs filtrants ayant des particularités non couvertes spécifiquement par les groupes , applications non couvertes spécifiquement par les groupes Dispositifs auxiliaires pour la filtrationStructure du carter de filtre
A wind outlet mechanism for a range hood comprises a wind outlet and a decorative cover. The decorative cover has a plurality of wind discharge holes, a flow guide member is disposed inside the decorative cover, and the flow guide member has a cambered flow guide surface opposite to and protruding toward the wind outlet. The flow guide surface can make the air flow discharged from the wind discharge holes on the decorative cover.
Disclosed is a kitchen air conditioning system, comprising an air conditioning assembly (1) and an oil fume suction assembly (2). The air conditioning assembly (1) comprises a compressor (11), a first heat exchanger (12) and a second heat exchanger (13); the compressor (11), the first heat exchanger (12) and the second heat exchanger (13) are in communication by means of a cooling medium pipeline (14); the oil fume suction assembly (2) comprises a fan (21) and an air outlet channel; the compressor (11) is integrated on the oil fume suction assembly (2); and the first heat exchanger (12) is arranged inside the air outlet channel. The overall structure of the kitchen air conditioning system is more compact, and when the kitchen air conditioning system is installed, there is no need to individually install an air conditioner external unit, thus installation is more convenient. Smoke discharged into the air outlet channel can take away heat of the first heat exchanger (12) or heat the first heat exchanger (12) so as to improve the energy efficiency of the air conditioner.
F24F 5/00 - Systèmes ou appareils de conditionnement d'air non couverts par ou
F24F 1/00 - Climatiseurs individuels pour le conditionnement de l'air, p. ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale
F24F 7/06 - Ventilation avec réseau de gaines à circulation d'air forcée, p. ex. par un ventilateur
A kitchen air conditioning system, comprising an air conditioning assembly (1) and an oil smoke sucking assembly (2), wherein the air conditioning assembly (1) comprises a compressor (11), a first heat exchanger (12), and a second heat exchanger (13); a third heat exchanger (3) is mounted on the oil smoke sucking assembly (2); the third heat exchanger (3) is in communication with the second heat exchanger (13) by means of a refrigeration channel (4); the air conditioning assembly (1) has a fresh air inlet (16) and a fresh air outlet (17), and fresh air entering from the fresh air inlet (16) is divided into two paths. According to the kitchen air conditioning system, fresh air entering the first heat exchanger (12) is supplemented to inside of a kitchen by means of the fresh air outlet (17); fresh air entering an air inlet area (21) is discharged to outdoors by means of an oil smoke sucking fan after cooling the third heat exchanger (3); and the cooling of the third heat exchanger (3) facilitates reducing the inlet air temperature of the second heat exchanger (13), thereby improving the energy efficiency of an air conditioner.
Provided is a central air-conditioning system, comprising an air-conditioning assembly (1) and cooking fume suction assemblies (2), wherein a compressor (11), a first heat exchanger (12) and a second heat exchanger (13) of the air-conditioning assembly (1) are in communication with each other by means of a refrigerant pipeline (14); all the cooking fume suction assemblies (2) are in communication with a public flue (6); a third heat exchanger (3) is installed in the public flue (6), and the third heat exchanger (3) is in communication with the second exchanger (2) by means of a cold-loading channel (4); and two ends of the cold-loading channel (4) respectively exchange heat with the second heat exchanger (2) and the third heat exchanger (3). The cooking fume suction assemblies (2) of the central air-conditioning system are provided in each kitchen in a corridor unit and are all in communication with the public flue (6), and the third heat exchanger (3) provided in the public flue (6) is in communication with and exchanges heat with the second heat exchanger (2) in the air-conditioning assembly (1) by means of the cold-loading channel, so that when the system is in operation, the heat generated during operation of the air-conditioning assembly (1) is discharged through the public flue (6).
A kitchen air conditioning system, comprising an air conditioning assembly (1) and a range hood assembly (2). A compressor (11), a first heat exchanger (12), and a second heat exchanger (13) of the air conditioning assembly (1) are communicated via a refrigerant pipeline (14). The range hood assembly (2) comprises a casing (21) and a fan (22). A rear-end exhaust channel (3) in communication with a first air intake channel (23) of the casing (21) is provided outside of the casing (21). A third heat exchanger (4) and the fan (22) are installed within the rear-end exhaust channel (3). The third heat exchanger (4) is communicated with the second heat exchanger (13) via a cooling channel (5). The third heat exchanger (4) in the rear-end exhaust channel (3) of the kitchen air conditioning system is communicated with the second heat exchanger (13) of the air conditioning assembly (1) via the cooling channel (5), such that heat generated during operation of the air conditioning assembly (1) is quickly dissipated to the exterior via the fan (22) in the rear-end exhaust channel (3).
A kitchen air conditioning system, comprising an air regulating component (1) and a fume drawing component (2). The air regulating component (1) comprises a compressor (11), an evaporator (12), and a condenser (13). The compressor (11), the evaporator (12), and the condenser (13) are in communication with each other via a refrigerant pipe (14). The condenser (13) and the fume drawing component (2) are in communication with each other via a coolant channel (3). A heat-dissipating unit (4) in communication with the coolant channel (3) is mounted on the fume drawing component (2). The kitchen air conditioning system has the coolant channel (3) running above the condenser (13) of the air regulating component (1). The coolant channel (3) is provided with a coolant inlet (411) and a coolant outlet (412). A coolant in the coolant channel (3) exchanges heat with a refrigerant medium in the condenser (13); moreover, with the heat-dissipating unit mounted on the fume drawing component (2) and in communication with the coolant channel (3), the heat emitted by the air conditioning condenser can be drawn away quickly.
A burner cap comprises a main body (1) having an annular circumferential wall (10). A circumferential surface of the annular circumferential wall (10) is provided with multiple first main fire openings (11) and multiple second main fire openings (12) uniformly spaced along an upper and lower layer in the same radial direction. A complete circumferential groove (2) not penetrating through the annular circumferential wall (10) is provided on the circumferential surface of the annular circumferential wall (10) and is located between the first main fire openings (11) and the second main fire openings (12). Flame stabilizing openings (21) intersecting the groove (2) are further provided on the annular circumferential wall (10). The flame stabilizing openings (21) pass through the groove (2), and are in communication with the first main fire openings (11) and/or the second main fire openings (12). The burner cap can be used to simultaneously stabilize the flames of the first main fire openings (11) and the second main fire openings (12) and improve the burning efficiency of a gas stove.
F23D 14/74 - Dispositifs de sécurité, p. ex. fonctionnant en cas d'interruption de l'alimentation en gaz pour éviter le décollage de flamme
F23D 14/76 - Dispositifs de sécurité, p. ex. fonctionnant en cas d'interruption de l'alimentation en gaz protégeant la flamme et des éléments du brûleur
The present invention discloses a smoke filter device, which comprises a plurality of oil filter sections (10), each oil filter section (10) has at least two filter holes (11); and in the two adjacent two filter holes (11), an area defined by the filter hole (11) near the at the end of the oil filter section (10) is smaller than an area defined by the filter hole (11) near the middle portion of the oil filter section (10). The present invention also discloses to a range hood with the smoke filter device. In the present invention, without changing the overall air volume, the suction force of the filter holes at the end of each oil filter section is increased, so that the smoke can be further prevented from escaping to the surrounding.
B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
B01D 46/40 - Séparateurs de particules utilisant des filtres à arêtes, c.-à-d. comportant des surfaces imperméables adjacentes, p. ex. appareils de précipitation de poussières
A burner cap comprises a main body (1) having an annular circumferential wall (10). A circumferential surface of the annular circumferential wall (10) is provided with multiple first main fire openings (11) and multiple second main fire openings (12) uniformly spaced along an upper and lower layer in the same radial direction. A complete circumferential groove (2) not penetrating through the annular circumferential wall (10) is provided on the circumferential surface of the annular circumferential wall (10) and is located between the first main fire openings (11) and the second main fire openings (12). Flame stabilizing openings (21) intersecting the groove (2) are further provided on the annular circumferential wall (10). The flame stabilizing openings (21) pass through the groove (2), and are in communication with the first main fire openings (11) and/or the second main fire openings (12). The burner cap can be used to simultaneously stabilize the flames of the first main fire openings (11) and the second main fire openings (12) and improve the burning efficiency of a gas stove.
F23D 14/26 - Brûleurs pour la combustion d'un gaz, p. ex. d'un gaz stocké sous pression à l'état liquide avec dispositifs pour retenir la flamme
F23D 14/46 - Brûleurs pour la combustion d'un gaz, p. ex. d'un gaz stocké sous pression à l'état liquide Parties constitutives
F23D 14/58 - Buses caractérisés par la forme ou la disposition de l'orifice ou des orifices des buses, p. ex. en couronne
F23D 14/76 - Dispositifs de sécurité, p. ex. fonctionnant en cas d'interruption de l'alimentation en gaz protégeant la flamme et des éléments du brûleur
The present invention discloses a lifting mechanism for a moving component of a range hood and a range hood with the same, which comprises a mounting frame, a moving component, a motor, a transmission mechanism, two lifting rods, a connecting member and two guide rails. The transmission mechanism moves the connecting member up and down along the guide rails, so that the lifting rods and the moving component are allowed to move up and down. The power for the lifting motion is provided by the transmission mechanism, the guide rails on two sides ensure the stability of the lifting motion, and the lifting rods fixed on two sides of the connecting member further transfers the motion downward to the smoke guide plate, so that the lifting motion of the smoke guide plate is very stable.
A panel structure of an exhaust hood, comprising a left side plate (3), a right side plate (4), hanging members (5) fixed on the left and right side plates (3, 4), and a panel structure connected between the left and right side plates (3, 4); the panel structure comprises a panel (1) and a panel frame (2) fixed on an inner side surface of the panel (1), the panel frame (2) comprising a central plate (20) located at the central portion, a left hanging bar (21), a right hanging bar (22) and a support bar (26), both the left and right hanging bars (21, 22) being provided with hanging holes (23, 24), the hanging members (5) being respectively mounted on inner side surfaces of the left and right side plates (3, 4) for the corresponding hanging holes (23, 24) to hook, each of the hanging holes (23, 24) being an opening and being opened downward, the passages of the first hanging holes (23) being in a bent shape, being bent rearward from top to bottom and being opened on the rear side edge of the hanging bar (2), the passages of the second hanging holes (24) being in an inclined shape, being inclined rearward from top to bottom and being opened on the lower side edges of the left and right hanging bars (21, 22) respectively, the first hanging holes (23) and the second hanging holes (24) all flaring from the closed end to the open end, so that the first hanging holes (23) and the second hanging holes (24) can easily hook the corresponding hanging members (5). The panel structure is easy to mount and dismount.
Disclosed is a control panel mechanism of a range hood. The control panel mechanism comprises a glass panel and a control component, a plurality of mounting plates each having two ends are disposed on the back of the glass panel, one end of each mounting plate is connected to the control component by a plurality of first fasteners; the mounting plates are detachably connected to a front side plate of a housing of the range hood, and the mounting plates are attached to a top plate of the housing by a second fastener. So that it is very convenient to assemble and disassemble the control component.
Disclosed is a cooker burner, comprising a base (1), a first ejection channel (3), a primary air channel (4), a burner cap (5) and a transmission channel (6). The base (1) is provided with a cavity (11) having an upward opening and used for accommodating at least one first ejector (12). The first ejection channel (3) comprises a central chamber (311) located in the center, and a peripheral chamber (312) surrounding the central chamber (311). An inlet of the central chamber (311) is opposite the first ejector (12). The peripheral chamber (312) is used for making primary air around the periphery of the central chamber (311) uniform. An interlayer structure design of the first ejection channel (3) can better make gas in the central chamber (311) more directly mix with the primary air in the peripheral chamber (312), thereby improving the uniformity and intake rate of the primary air uniformly distributed at the periphery of the central chamber (311) and also avoiding a yellow flame and weak flame.
F23D 14/04 - Brûleurs à gaz avec prémélangeurs, c.-à-d. dans lesquels le combustible gazeux est mélangé à l'air de combustion en amont de la zone de combustion du type à induction, p. ex. becs Bunsen
F23D 14/26 - Brûleurs pour la combustion d'un gaz, p. ex. d'un gaz stocké sous pression à l'état liquide avec dispositifs pour retenir la flamme
F23D 14/46 - Brûleurs pour la combustion d'un gaz, p. ex. d'un gaz stocké sous pression à l'état liquide Parties constitutives
F23D 14/58 - Buses caractérisés par la forme ou la disposition de l'orifice ou des orifices des buses, p. ex. en couronne
F23D 14/64 - Dispositifs mélangeursTubes mélangeurs avec injecteurs
The present invention discloses a range hood, during work, when the smoke deflector is opened to a maximum angle, a plurality of points fitting with a Fibonacci spiral line are arranged on a vertical section along the center of the rotary shaft of the motor, a starting point of the Fibonacci spiral line is arranged on an inner surface of the front plate below the air inlet, a top arc line at the top of the air-intake ring, a bottom arc line at the bottom of the air-intake ring are respectively tangent to a curve with a radius of Fibonacci sequence Fn-1, and an endpoint of the free edge of the smoke deflector coincides with an endpoint of a curve with a radius of Fibonacci sequence Fn. In the present invention, the smoke can more smoothly enter a smoke trapping cavity of the range hood. A sufficient residence space is provided for a large amount of smoke generated by the stove, and smoke is effectively prevented from escaping from the smoke trapping cavity.
Disclosed is a control panel structure of a range hood, the control panel structure comprising a glass panel (1), a control assembly (2), and a mounting plate (4) fixed onto a back surface of the glass panel (1). One end of the mounting plate (4) is connected to the control assembly (2) by a first fastener (6), and the mounting plate (4) is connected to a front lateral plate (31) of a shell of the range hood in a detachable manner and is fixed to a top plate (32) of the shell by a second fastener (7). The control assembly of the range hood is very convenient to disassemble and assemble.
Disclosed is a cooker burner, comprising a base (1), a first ejection channel (3), a primary air channel (4), a burner cap (5) and a transmission channel (6). The base (1) is provided with a cavity (11) having an upward opening and used for accommodating at least one first ejector (12). The first ejection channel (3) comprises a central chamber (311) located in the center, and a peripheral chamber (312) surrounding the central chamber (311). An inlet of the central chamber (311) is opposite the first ejector (12). The peripheral chamber (312) is used for making primary air around the periphery of the central chamber (311) uniform. An interlayer structure design of the first ejection channel (3) can better make gas in the central chamber (311) more directly mix with the primary air in the peripheral chamber (312), thereby improving the uniformity and intake rate of the primary air uniformly distributed at the periphery of the central chamber (311) and also avoiding a yellow flame and weak flame.
F23D 14/04 - Brûleurs à gaz avec prémélangeurs, c.-à-d. dans lesquels le combustible gazeux est mélangé à l'air de combustion en amont de la zone de combustion du type à induction, p. ex. becs Bunsen
F23D 14/26 - Brûleurs pour la combustion d'un gaz, p. ex. d'un gaz stocké sous pression à l'état liquide avec dispositifs pour retenir la flamme
F23D 14/46 - Brûleurs pour la combustion d'un gaz, p. ex. d'un gaz stocké sous pression à l'état liquide Parties constitutives
F23D 14/58 - Buses caractérisés par la forme ou la disposition de l'orifice ou des orifices des buses, p. ex. en couronne
F23D 14/64 - Dispositifs mélangeursTubes mélangeurs avec injecteurs
A panel structure of an exhaust hood, comprising a left side plate (3), a right side plate (4), hanging members (5) fixed on the left and right side plates (3, 4), and a panel structure connected between the left and right side plates (3, 4); the panel structure comprises a panel (1) and a panel frame (2) fixed on an inner side surface of the panel (1), the panel frame (2) comprising a central plate (20) located at the central portion, a left hanging bar (21), a right hanging bar (22) and a support bar (26), both the left and right hanging bars (21, 22) being provided with hanging holes (23, 24), the hanging members (5) being respectively mounted on inner side surfaces of the left and right side plates (3, 4) for the corresponding hanging holes (23, 24) to hook, each of the hanging holes (23, 24) being an opening and being opened downward, the passages of the first hanging holes (23) being in a bent shape, being bent rearward from top to bottom and being opened on the rear side edge of the hanging bar (2), the passages of the second hanging holes (24) being in an inclined shape, being inclined rearward from top to bottom and being opened on the lower side edges of the left and right hanging bars (21, 22) respectively, the first hanging holes (23) and the second hanging holes (24) all flaring from the closed end to the open end, so that the first hanging holes (23) and the second hanging holes (24) can easily hook the corresponding hanging members (5). The panel structure is easy to mount and dismount.
The present invention discloses volute for a centrifugal fan, which comprises a volute tongue having an inner wall; wherein, the volute tongue has an enclosed noise-reducing chamber, the volute tongue has a plurality of holes for allowing the air flow to enter into the noise-reducing chamber; and a sound collector and a speaker are disposed in the noise-reducing chamber. In the present invention, during the use of the centrifugal fan, a gas flow can enter the cavity through the holes on the inner wall. The sound collector can acquire a noise signal and transmit it to a controller, and the controller calculates a noise-reduced audio signal according to the acquired signal and then controls the speaker to play the corresponding reduced noise according to the noise-reduced audio signal, so that the active noise reduction is realized. With such a structure, the vortex at the volute tongue is eliminated, thus the fan noise is reduced and the fan efficiency is improved.
The present invention discloses an intelligent range hood and a control method thereof, which comprises a housing, a fan (4), a smoke collecting hood (3), a smoke guide plate (6), a controller and a sensor (8) for detecting concentration of smoke and/or vapor inside or outside the housing. The sensor (8) outputs an electrical signal to the controller; and, the controller controls rotation speed of the fan motor (5) and position of the smoke guide plate (6) according to the signal received from the sensor (8). The controller not only can automatically adjust the rotation speed of the fan motor (5) so as to allow the air volume of the fan (4) to adapt to the working condition of the range hood in real time, but also can adjust the air inlet area and the distance between the negative pressure region and the smoke source by moving the smoke guide plate (6) up and down, so as to adapt the change in the working condition.
An air discharge structure of an extractor hood, comprising an air outlet (1) and a cover (2). Air discharge holes (20) are set into the cover (2) and an airflow guide member (3) is disposed inside the cover (2). The airflow guide member (3) has an arc-shaped flow guide surface (30) opposite to the air outlet (1). The flow guide surface (30) can change the direction of air flow and discharge air from the air discharge holes (20) of the cover (2), reducing direct reflection off of flat surfaces, lowering the velocity of air outflow from the air discharge holes (20), and reducing noise.
An air discharge structure of an extractor hood, comprising an air outlet (1) and a cover (2). Air discharge holes (20) are set into the cover (2) and an airflow guide member (3) is disposed inside the cover (2). The airflow guide member (3) has an arc-shaped flow guide surface (30) opposite to the air outlet (1). The flow guide surface (30) can change the direction of air flow and discharge air from the air discharge holes (20) of the cover (2), reducing direct reflection off of flat surfaces, lowering the velocity of air outflow from the air discharge holes (20), and reducing noise.
A burner fire cap for a gas cooker, comprising a fire cap body (1) having a gas mixing chamber (13), a transverse ignition hole (14), and a through hole (141), the through hole (141) is in communication with the transverse ignition hole (14) and the gas mixing chamber (13), two ends of the transverse ignition hole (14) are respectively located on an outer ring wall (12) and an inner ring wall (11) of the fire cap body (1), a boss (2) extends out of the inner ring wall (11), and an included angle (α) between the center line (L1) of the through hole (141) and the center line (L2) of the transverse ignition hole (14) is an acute angle. Gas, primary air and secondary air are mixed into a mixed gas, and can directly impact on the top of the boss (2), improving the mixing uniformity of the gas and the air in the mixed gas, at the same time reducing the flow rate and improving the flame-stabilizing performance, enabling a good flame-stabilizing effect for the flame at the transverse ignition hole (14).
Provided is a noise-reduction volute tongue of a fan. The noise-reduction volute tongue comprises a fixed outer cover (1), a movable inner board (2), and noise reduction cavities (3) provided between the movable inner board (2) and the fixed outer cover (1), wherein the fixed outer cover (1) is provided with noise reduction holes (11) corresponding to the noise reduction cavities (3) in a one-to-one manner, and an inner side of the movable inner board (2) is mounted with a driving mechanism (4) for driving the movable inner board (2) to move relative to the fixed outer cover (1), in order to adjust the volume of the noise reduction cavities (3). Under the drive of the driving mechanism, the movable inner board can move relative to the fixed outer cover so as to change the volume of the noise reduction cavities, such that the noise-reduction volute tongue can be better adapted to changes in the flow rate at an outlet of the fan, and a better noise reduction effect can be achieved at different flow rates.
A protection device for an oil-smoke sensor comprises a protection housing (1) having a first end, a second end, and an inner chamber (2); the first end having a first opening (3) for receiving a probe (5) of the oil-smoke sensor and in communication with the inner chamber (2); a second opening (4) is disposed on the second end which is opposite to the first opening (3) and in communication with the inner chamber (2). Because the probe (5) is sealing mounted in the first opening (3), the probe (5) will not be directly exposed in oil-smoke flow. When in use, the protective device is mounted in a manner that the axial direction of the protective device is vertical to the oil-smoke flow direction. Therefore, the inner chamber of the protection housing has a pressure with respect to the oil-smoke flow that tangentially flows at a high speed, and the oil-smoke can only be diffused into the protection housing, thus, the probe is much less likely to be contaminated; and the protection device has a good effect in preventing dust and oil-smoke pollution.
A non-contact control device and a control method for a range hood, the non-contact control device comprising two sets of infrared gesture sensing devices (A, B) provided on a housing (6) of the range hood and a detection signal analysis device (3); each set of the infrared gesture sensing devices (A, B) comprises one infrared reception device (1) and at least one infrared transmission device (2); and the distance L between the infrared receiving devices (1) of the two sets of the infrared gesture sensing devices (A, B) satisfies: H * tan(?) + H * tan(ß) + W_min < L < H * tan(?) + H * tan(ß) + W_max. The user gesture sensing distance does not need to be controlled in accordance with the intensity of an infrared transmission signal, which can facilitate the intensity adjustment of the infrared transmission signal, ensuring that the infrared reception device (1) can better detect the infrared signal and gesture operation signals within a maximum sensing distance will not interfere with one another.
A non-contact control device and a control method for a range hood, the non-contact control device comprising two sets of infrared gesture sensing devices (A, B) provided on a housing (6) of the range hood and a detection signal analysis device (3); each set of the infrared gesture sensing devices (A, B) comprises one infrared reception device (1) and at least one infrared transmission device (2); and the distance L between the infrared receiving devices (1) of the two sets of the infrared gesture sensing devices (A, B) satisfies: H * tan(θ) + H * tan(β) + W_min < L < H * tan(θ) + H * tan(β) + W_max. The user gesture sensing distance does not need to be controlled in accordance with the intensity of an infrared transmission signal, which can facilitate the intensity adjustment of the infrared transmission signal, ensuring that the infrared reception device (1) can better detect the infrared signal and gesture operation signals within a maximum sensing distance will not interfere with one another.
A real-time fume concentration monitoring system includes an electrical box having a closed internal space, wherein a divider is disposed within the electrical box so that the internal space of the electrical box is divided into a first chamber and a second chamber; a signal emitting unit is disposed within the first chamber, and a signal receiving unit is disposed within the second chamber; a portion of the electrical box corresponding to a signal emitting portion of the signal emitting unit and signal receiving unit is a light-transmitting region; a signal output terminal of the signal receiving unit is connected to a data processing unit. By detecting the fume concentration in a contactless manner, power consumption is low, the energy efficiency demand for the whole machine in the standby state is satisfied, and the signal detection sensitivity is high.
09 - Appareils et instruments scientifiques et électriques
Produits et services
(1) Dishwashers; electric blenders for household purposes; electric whisks for household purposes; electric kitchen grinders; electric juice extractors; electric crushers for kitchen use; electric mixers for household purposes, food mixers; mills for household purposes, other than hand-operated; electric can openers; pepper mills, other than hand-operated; electrically powered kitchen appliances for dicing, mincing, slicing and chopping food; coffee grinders, other than hand-operated; electric vegetable spiralizers; washing machines for laundry; dishwasher robots; washing machines for household purposes; electric floor washing machines, carpet cleaning machines, floor cleaning machines, electric vacuum cleaners, household cleaning and laundry robots with artificial intelligence; waste disposal units; machines for filtering juices extracted from fruits and vegetables used in the production of non-alcoholic fruit based beverages and non-alcoholic vegetable based beverages; electromechanical food preparation machines for household use namely, electric food blenders, electric food choppers, electric food processors, electric food and meat grinders, electric food slicers, electric graters; electromechanical aerated beverage making machines, electric juicers; bottle washing machines; compressors for refrigerators; water heaters as parts of machines; filters as parts of machines or engines; water separators.
(2) Downloadable computer software applications to enable users to browse online profiles, purchase goods and services of others, read and send messages, all in the field of consumer electronics, electric appliances used in kitchen, household cooking and heating appliances, gas purification equipment used for household purpose, water purification equipment used for household purposes, read and send messages; personal digital assistants; downloadable image files; computer programs, namely downloadable software to enable users to browse online profiles, purchase goods and services of others, read and send messages, all in the field of consumer electronics, electric appliances used in kitchen, household cooking and heating appliances, gas purification equipment used for household purpose, water purification equipment used for household purposes, read and send messages; downloadable software applications for mobile phones to enable users to browse online profiles, purchase goods and services of others, read and send messages, all in the field of consumer electronics, electric appliances used in kitchen, household cooking and heating appliances, gas purification equipment used for household purpose, water purification equipment used for household purposes, read and send messages; recorded computer programs to enable users to browse online profiles, purchase goods and services of others, read and send messages, all in the field of consumer electronics, electric appliances used in kitchen, household cooking and heating appliances, gas purification equipment used for household purpose, water purification equipment used for household purposes, read and send messages; recorded or downloadable computer software platforms to enable users to browse online profiles, purchase goods and services of others, read and send messages, all in the field of consumer electronics, electric appliances used in kitchen, household cooking and heating appliances, gas purification equipment used for household purpose, water purification equipment used for household purposes, read and send messages; downloadable graphics for mobile phones; pre-recorded optical discs featuring text messages, pictures and use instructions for electronic products; electronic telecommunications apparatus for network communication namely network routers; electronic downloadable publications in the form of books, booklets and user manuals; smartphones; televisions; electric switches; electrical plugs, and sockets and connections for electric lines; video screens; remote controls for televisions; electric batteries namely batteries for mobile phone.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Dishwashers; electric blenders for household purposes; electric whisks for household purposes; electric kitchen grinders; electric juice extractors; electric crushers for kitchen use; electric mixers; mills for household purposes, other than hand-operated, namely, electric juicers; electric can openers; pepper mills, other than hand-operated; electric kitchen machines, namely, electric vegetable spiralizers for household purposes; coffee grinders, other than hand-operated; electric vegetable spiralizers; washing machines for clothes; washing apparatus, namely, floor washing machines; electric machines and apparatus for cleaning, namely, dust removing installations for cleaning purposes; waste disposal units; filtering machines, namely, milk filtering machines; electromechanical food preparation machines, namely, electric food processors; electromechanical beverage preparation machines; bottle washing machines; compressors for refrigerators; filters as parts of food waste disposal machines or engines; water separators, namely, oil-water separators for pneumatic controls being parts of machines Downloadable graphics for mobile phones; optical discs featuring educational training and cultural arts programming; downloadable electronic publications in the nature of books, magazines and manuals in the field of educational training and cultural arts programming; smartphones; television apparatus, namely, television receivers; electric switches; plugs, sockets and other electric contacts; video screens; remote control apparatus for televisions; electric batteries; downloadable computer software applications to enable users to browse, purchase goods and read information; downloadable image files featuring educational training and cultural arts programming; personal digital assistants; computer programs, namely, downloadable software to enable users to browse, purchase goods and read information; recorded computer programs to enable users to browse, purchase goods and read information; recorded or downloadable computer software platforms to enable users to browse, purchase goods and read information; downloadable software applications for mobile phones to enable users to browse, purchase goods and read information; electronic telecommunications apparatus for network communication, namely, network routers
An exhaust hood, comprising a housing (S), a smoke collection cover (3), a grease filter, a smoke guide plate (6) and a drive mechanism, the grease filter being a dual-layer structure composed of an inner grease filter (4) and an outer grease filter (5), an air inlet channel (11) being formed between the smoke guide plate (6) and the smoke collection cover (3), one of the inner grease filter (4) and the outer grease filter (5) being a movable grease filter, the other being a fixed grease filter, the drive mechanism driving the smoke guide plate (6) and the movable grease filter to move in a synchronous manner, so as to simultaneously alter the size of the air inlet channel (11), and a gap between the movable grease filter and the fixed grease filter. The exhaust hood is suitable for use by users in different working conditions, and noise and air volume are effectively balanced.
A range hood provided with a movable component comprises a decorative cover (1), a fan outer housing (2), a smoke collecting hood (3), and the movable component. The fan outer housing (2) is arranged inside the decoration cover (1), the movable component is located below the smoke collecting hood (3), and a mounting cavity is formed between the decorative cover (1) and the fan outer housing (2). A driving mechanism (6) capable of driving the movable component motion to move is arranged in the mounting cavity (5). The mounting cavity (5) is isolated from oily smoke, so that the driving mechanism (6) is always in an environment without oily smoke, and a lift rod (61) can maintain smooth movement, thereby prolonging the service life of the driving mechanism (6).
Disclosed are a lifting mechanism with a movable component and for a range hood, and a range hood using the lifting mechanism. The lifting mechanism comprises an installation frame (1), a movable component (2), an electric motor (3), a transmission mechanism (4), two lifting rods (5), a connector and two guide rails (6). The two lifting rods (5) and the two guide rails (6) are respectively arranged on two sides of the installation frame (1), the connector is connected between the lifting rods (5) and the transmission mechanism (4), and the transmission mechanism (4) drives the connector to carry out a lifting movement along the guide rails (6), such that the lifting rods (5) and the movable component (2) synchronously carry out a lifting movement. The lifting mechanism provides power for the lifting movement by means of the transmission mechanism (4), the guide rails (6) arranged on the two sides ensure that the lifting movement is stable, and therefore, the lifting rods (5) on the two sides transmit the movement downwards to a smoke guide plate (21) of the range hood, thereby enabling the smoke guide plate (21) to carry out a lifting movement in a stable manner.
An intelligent range hood and a control method therefor. The intelligent range hood comprises a housing, a fan (4), a smoke collecting hood (3), a smoke guide plate (6), a controller, and a sensor (8) used for detecting the concentration of oily smoke and/or water vapor inside or outside the housing. A signal output end of the sensor (8) is connected to a signal input end of the controller for electric signal communication, and the speed of a fan motor (5) and a vertical position of the smoke guide plate (6) are controlled by receiving an output signal of the sensor (8). The sensor (8) can sense the concentration of the oily smoke and/or the water vapor, the controller can automatically adjust the speed of the fan motor (5), so that the air volume of the fan (4) can match with the working condition of the range hood in real time. The distance between an air suction surface and a negative pressure zone and a smoke source is automatically adjusted by means of the lifting and lowering of the smoke guide plate (6), so as to adapt to the change of the working condition.
Disclosed is an oil-proof sealing structure for a slide bar (4). The oil-proof sealing structure comprises a mounting substrate (1) provided with a first through hole (11), a cover plate (2) provided with a second through hole (21), a sealing gasket (3) provided with a third through hole (31), and the slide bar (4). An annular cavity (5) is formed between the mounting substrate (1) and the cover plate (2), the sealing gasket (3) is arranged in the annular cavity (5), the slide bar (4) passes through the three through holes, an outer wall of the slide bar (4) is attached to or close to the sealing gasket (3), and the slide bar (4) and the sealing gasket (3) can slide relative to each other. By means of the cooperation between the sealing gasket (3) and the slide bar (4), this structure allows the slide bar (4) a certain degree of displacement when moving up and down in the horizontal direction, and enables same to implement the function of sealing against oil fumes, thereby preventing oil fumes from entering an oil fume isolation chamber (8) by means of the through holes on the mounting substrate (1) and the cover plate (2) so as to ensure that a driving mechanism (9) of the slide bar (4) is always in an oil-fume-free environment.
Disclosed is a steamer, oven and microwave oven integrated machine, comprising an oven body (1) and a cooking room oven chamber (2). A steam generation device, a microwave generation device and a roasting device are mounted outside the cooking room oven chamber (2). A back space of the cooking room oven chamber (2) is separated into an upper-layer space (4) and a lower-layer space (5) by a separator (3). The steam generation device is arranged inside the upper-layer space (4). The microwave generation device is arranged inside the lower-layer space (5). A side plate of the oven body (1) is provided with a ventilation opening (15). The upper-layer space (4) and the lower-layer space (5) are in communication with each other, and are in communication with the exterior of the oven body (1) by means of the ventilation opening (15). Thus, the space layout is rational, the problem of the ventilation of the upper-layer and lower-layer spaces (4, 5) is solved, and an electronic component can rapidly and effectively dissipate heat and be cooled in a timely manner, thereby prolonging the service life and improving the safety of use.
A oven-microwave integrated machine, comprising a cooking cavity (1), a roasting performing device, a microwave performing device, and a control device (4); the roasting performing device at least comprises a rear exothermic device, the rear exothermic device comprising a rear hot air chamber cover (51), a rear heating element (22), a hot air blower or fan; a hot air baffle (24) of the cooking cavity (1) is opened with an inlet port (241) and an outlet port (242) which are in communication with a hot air chamber (A). The oven-microwave integrated machine, which is provided with the rear exothermic device, has a reasonable structure and enables a fast and uniform temperature rise of the inside of the cooking cavity (1).
A steam box and microwave machine integrated machine, comprising a box body (1), a steam generation system, a microwave generation system, an oven door component (4), and a control system connected with the steam generation system and the microwave generation system. The steam generation system comprises a steam generator (2) used for generating steam; the steam generator (2) is provided at one side of the top of a cooking chamber (11); the microwave generation system comprises a magnetron tube (3-5), a power source component, and a microwave guide device (1-4); the power source component is provided at another side of the top of the cooking chamber (11). The steam box and microwave oven integrated machine has a reasonable structure, and can avoid mutual interference between the steam generation system and the microwave generation system.
Provided is a spray arm used for a fruit-and-vegetable cleaning machine (3); the inside of the spray arm (3) is hollow and forms a flow-diverting channel (31); the top surface of the spray arm (3) is provided with spray holes in communication with the flow-diverting channel (31); the spray holes are distributed at intervals in a ring shape at the position of the peripheral edge of the adjacent spray arm (3). Also provided is a fruit-and-vegetable cleaning machine using the described spray arm (3). The spray holes being arranged on the peripheral edge of the spray arm (3) enables the spray holes to perform their function to a greater extent, thus preventing fruits and vegetables from accumulating on the outer periphery of the spray arm while also causing the water flow ejected from the spray holes to form a ring-shaped rotating water flow; thus fruits and vegetables are caused to rotate in a certain direction in a food basket, and the fruits and vegetables remain in a state of motion with respect to a sink and a water flow; hence, the water flow scours each surface of the to-be-washed fruits and vegetables, cleaning with no neglected areas.
A protective structure of a photoelectric oil smoke sensor, comprising a protective casing (1) having a hollow cavity (2) therein. One end of the protective casing (1) is provided with a first opening (3) that opens towards the hollow cavity (2), and the corresponding end of the protective casing (1) is provided with a second opening (4) that is opposite to the first opening (3) and also opens towards the hollow cavity (2). A probe (5) of the photoelectric oil smoke sensor is sealingly mounted in the first opening (3). Because the probe (5) is sealingly mounted in the first opening, the probe (5) of the photoelectric oil smoke sensor will not directly be exposed in oil smoke airflow. In addition, the mounting end of the probe (5) is sealed. In use, the protective structure is mounted in a manner that the axial direction of the protective structure is vertical to the oil smoke airflow direction. Therefore, the inner cavity of the protective casing (1) has a positive pressure with respect to the oil smoke airflow that tangentially flows at a high speed, and the oil smoke only enters a pipe by means of natural diffusion, thereby reducing the possibility that the probe (5) is polluted. The protective structure has good dustproof and oil smoke pollution prevention effects.
A real-time fume concentration monitoring system is described, which comprises an electrical box having a closed internal space, characterized in that, a divider is disposed within the electrical box so that the internal space of the electrical box is divided into a first chamber and a second charnber, the first chamber does not communicate with the second chamber; a signal emitting unit is disposed within the first chamber, and a signal receiving unit is disposed within the second chamber; at least a portion of the electrical box corresponding to a signal emitting portion of the signal cmitting unit and signal receiving unit is a light-transmitting region; a signal output terrninal of the signal receiving unit is connected to a data processing unit. In the present invention, by detecting the fume concentration in a contactless manner, the power consurnption is low, it is advantageous for satisfying the energy efficiency demand for the whole machine in the standby state, and the signal detection sensitivity is high. The present invention also discloses range hood comprising the real-time fume concentration monitoring system
A real-time cooking fume concentration monitoring system comprises an electrical box with a confined space inside. The electrical box is provided with a partition plate (5) for dividing the inner space of the electrical box into a first chamber (A) and a second chamber (B) which are not connected with each other. Inside the first chamber (A) there is provided with a signal transmitting unit (2) capable of emitting a pulsed optical signal. Inside the second chamber (B) there is provided with a signal receiving unit (3) capable of receiving the pulsed optical signal emitted from the signal transmitting unit (2). A portion of the electrical box, which is opposite to the signal transmitting unit (2) and the signal receiving unit (3), is a light transmissive region. The signal output terminal of the signal receiving unit (3) is connected with a data processing unit (7) capable of calculating a cooking fume concentration signal in real time from an optical signal intensity received by the signal receiving unit (3). The real-time cooking fume concentration monitoring system detects fume concentration using a non-contact manner, with low power consumption, and can help meet the requirements by whole machine standby energy efficiency; and the signal detection sensitivity is high. A range hood, comprising the real-time fume concentration monitoring system.
The present invention discloses an impeller for a fan consisting of blades, each having a top, bottom, outer edge, and inner edge; and a rear wheel disc with a surface, periphery surface, center, a first projection line of each outer edge projected on the peripheral surface and a second projection line of each inner edge projected on the peripheral surface. The outer edges are adjacent to the periphery surface and the inner edges are adjacent to the center. The angle between the first projection line of each outer edge projected on the peripheral surface and the peripheral surface's radial line is defined as a (-60.degree..ltoreq..alpha..ltoreq.60.degree.). The angle between the second projection line of each inner edge projected on the peripheral surface and the peripheral surface's radial line is defined as .beta. (20.degree..ltoreq..beta.70.degree.). The angle between a first connecting line connecting the outer edge and center and a second connecting line connecting the inner edge and center and is defined as .theta. (10.degree..ltoreq..theta..ltoreq.65.degree.).
Provided is a fan impeller, comprising blades (2) and further comprising a rear disc (1), wherein blade bottoms (2) are installed on the surface of the rear disc (1) and are arranged sequentially along a peripheral direction of the rear disc; an outer edge (21) of the blade (2) is an air-outlet edge, and an included angle α between a projection (21a) of the outer edge (21) on the outer circumference of the rear wheel disc and the outer circumference normal (1a) of the rear disc (1) ranges from -60° to 60°; an inner edge (22) of the blade (2) is an air-inlet edge, and an included angle β between a projection (22a) of the inner edge (22) on the outer circumference of the rear disc and the outer circumference normal (1a) of the rear disc (1) ranges from 20° to 70°; an included angle θ between a line (L1) connecting a bottom of the outer edge (21) and the center of the rear disc (1) and a line (L2) connecting a bottom of the inner edge (22) and the center of the rear disc (1) ranges from 10° to 65°; and a first vertical height (h1) of an apex (P1) of the outer edge (21) relative to the rear disc (1) is less than a second vertical height (h2) of an apex (P2) of the inner edge (22) relative to the rear disc (1). The fan impeller features good aerodynamic performance, high fan efficiency and wind pressure, generating a high negative pressure gradient.
A ceiling-mounted exhaust hood comprises a fan shroud (1), a fan (2), a fume-collecting hood (8), and a flow-guiding panel (9). The interior of the fan shroud (1) is divided, by a transverse partition (3), into a fan mounting cavity (4) and a flow-guiding cavity (5). The flow-guiding cavity (5) is located below the fan mounting cavity (4). The fan (2) is mounted inside the fan mounting cavity (4), and an air inlet (2a) thereof faces downwards and is in communication with the flow-guiding cavity (5). The air inlet (2a) of the fan (2) is disposed at a central portion of the top of the flow-guiding cavity (5). The fan (2) adopts a 3D impeller (20). The air inlet (2a) of the fan (2) faces downwards and is in communication with the flow-guiding cavity (5). A vertical section of the flow-guiding cavity (5) has a trapezoidal shape, that is, it has a short upper side and a long lower side. A flow-guiding net (6) is arranged horizontally inside the flow-guiding cavity (5). A sound-absorbing foam (7) is filled between an outer wall of the flow-guiding cavity (5) and an inner wall of the fan shroud (1). The structure and spatial layout of the exhaust hood are novel, and the fan (2) has a compact structure and a smaller size. The fan (2) has high efficiency, a high air pressure, and a large negative pressure gradient, thereby effectively preventing the escape of grease and fumes, and increasing a suction rate of the exhaust hood.
Disclosed is a steam box with a stretchable and restorable control panel, comprising a cooking cavity (1), a water tank (2), a water tank base (3) and a control panel assembly (4). A water tank opening (31) is provided at a front end of the water tank base (3). An upturning mechanism (M) is installed at the top of the cooking cavity (1) for driving the control panel assembly (4) to be stretched out and restored. The water tank base (3) and the control panel assembly (4) are stretched out and restored synchronously, and an upper edge (31a) of the water tank opening (31) is lower than a lower edge (4a) of the control panel assembly (4) when the control panel assembly (4) and the water tank base (3) are in a stretched state. When water needs to be added into the steam box, the water tank (2) can synchronously be stretched out forwards whilst the control panel assembly (4) is stretched out; in the stretched state, the water tank (2) can be conveniently drawn out from the water tank base (3) so as to add water thereto; and after the water is added, the water tank base (3) and the control panel assembly (4) can be synchronously restored.
A steamer and microwave oven integrated machine comprises a box body (1), and comprises a cooking room oven chamber (2), a steam generation device (33) and a microwave generation device (34) all disposed in the box body. A control device (3) capable of carrying out integrated control over working states of the steam generation device (33) and the microwave generation device (34) is also mounted in the box body (1), so that the integrated machine can be freely and automatically switched between a steamer mode and a microwave oven mode in a one-time cooking process. Because the control device (3) capable of carrying out integrated control over the working states of the steam generation device (33) and the microwave generation device (34) is mounted in the box body (1), and the control device (3) enables the integrated machine to be freely and automatically switched between the steamer mode and the microwave oven mode in the one-time cooking process, accordingly the integrated machine has a high control integration, and a user can switch the working modes of the integrated machine to heat food in the one-time cooking process, so that different food can have corresponding cooking modes, and the cooking effect is better.
A steamer and microwave oven integrated machine comprises a box body (1) and a cooking room oven chamber (2). A steam generation device and a microwave generation device are mounted in the box body (1). A back space of the cooking room oven chamber (2) is divided into an upper space (3) and a lower space (4). The steam generation device is disposed in the lower space (4), a magnetron (14) and a waveguide (15) in the microwave generation device are disposed in the lower space (4), other elements in the microwave generation device are disposed in the upper space (3), an upper air duct and a lower air duct that are communicated with each other and that are separately communicated with the external space of the box body (1) are disposed in each of the upper space (3) and the lower space (4). By means of the integrated machine, the back space of the cooking room oven chamber is fully utilized, and the layouts of steam elements and microwave elements are more reasonable, thereby facilitating the improvement of the structural compactness of the integrated machine. In addition, the design of the upper ducts and the lower air ducts effectively solves the problem of air ventilation between the upper space and the lower space, thereby facilitating timely heat dissipation of the steam elements and the microwave elements.
Disclosed is a door of an integrated machine of a steam oven and a microwave oven, which comprises a face plate (1), a face frame (2), a door body (3), a door seal ring support (4), a door seal ring (5), a door seal (6) and a back plate (7), wherein the back plate (7) and the door body (3), and the door seal ring support (4) and the door body (3) are sealed, the door seal ring (5) is sealed with the door body (3) and a cavity front plate (14) at the same time, and a microwave sealing face (31) is formed on a part of a back face of the door body (3) right opposite to the cavity front plate (14). The door seal ring (5) is sealed with the door body (3) and the cavity front plate (14) at the same time, which can prevent the steam leakage well, and the microwave seal face (31) formed between the back face of the door body (3) and the cavity front plate (14) can effectively prevent the microwave leakage. A hinge fixing plate (8) is fixed to the bottom of the door body (3), a hinge (9) is mounted to the hinge fixing plate (8), a compressed spring mechanism (95) and a tension spring (94) of the hinge (9) together control the degree of force for opening or closing the door, guaranteeing a comfortable feel when opening or closing the door, and after the door is closed, the compressed spring mechanism (95) can continue to apply a certain tightly closing force to the door to prevent the door from being sprung open during the cooking process, thus ensuring the effect of both sealing steam and microwave.
A rotary spray arm for a washing device and a washing device, the rotary spray arm comprises a pair of an upper cover and a lower cover attached to the upper cover; a flow channel disposed between the upper cover and the lower cover, the water outlets are disposed on the upper cover; an upper chamber in communication with the flow channel is formed at a center of the lower cover; the flow channel is located at two sides of the upper chamber, and a hole matching to the upper chamber is formed on a bottom surface of the lower cover. The rotary spray arm is provided with a chamber for accommodating the water outlet portion of the water pump and the chamber is communicated to the water outlets, therefore, the rotary spray arm can be manufactured independently of the water pump, and both processing and mounting are very convenient.
