The present invention relates to a method for controlling one or more heat pumps (110) connected to a distribution grid (10) for fluid-based distribution of heating and cooling in order to, at least partly, compensate for a cold outtake from the distribution grid (10) by a first cooling machine (120) connected to the distribution grid (10). Alternatively, or in combination, one or more cooling machines (120) connected to the distribution grid (10) may be controlled in order to, at least partly, compensate for a heat outtake from the distribution grid (10) by a first heat pump (120) connected to the distribution grid (10). The controlling is made a control server (200) monitoring outtake of heat and/or cold from the distribution grid (10) by the heat pumps (110) and cooling machines (120) connected to the distribution grid (10). The control server (120) generates and sends out control messages to the heat pumps and/or cooling machines.
Disclosed is a valve assembly (100) for drainage or deaeration of a hydraulic system (114), The valve assembly (100) comprising: a valve (102) comprising a first side (104) and a second side (106), the first side (104) is configured to be connected to the hydraulic system (114) and the second side (106) is connected to a mouth piece (108), wherein the valve (102) is configured to be set in an open state or in a closed state, wherein, upon the valve (102) is set in the open state, fluid in the hydraulic system (114) is free to pass the valve (102) from the first side (104) to the second side (106); a valve assembly controller (110) comprising a transceiver (202) configured to receive a control signal indicating a start of drainage or deaeration of the hydraulic system (114) and a valve assembly control circuit (204) configured to execute: a valve control function (210) configured to set the valve (102) in the open state or closed state; and a drainage or deaeration function (212) configured to, based on the control signal, instruct the valve control function (210) to set the valve (102) in the open state; and a sensor (112) configured to monitor the mouth piece (108) to obtain sensor data pertaining to fluid leaving the mouth piece (108) upon the valve (102) is set in the open state.
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
3.
Efficiency for a heat extracting system and/or a heat depositing system
A heat extracting system (100) arranged to be connected to a thermal energy circuit (300) comprising a hot conduit (302) configured to allow thermal fluid of a first temperature to flow therethrough, and a cold conduit (304) configured to allow thermal fluid of a second temperature to flow therethrough, the second temperature is lower than the first temperature, and a heat depositing system (200) arranged to be connected to a thermal energy circuit (300) comprising a hot conduit (302) configured to allow thermal fluid of a first temperature to flow therethrough, and a cold conduit (304) configured to allow thermal fluid of a second temperature to flow therethrough, the second temperature is lower than the first temperature. Also a heat depositing system (200) is disclosed.
A heat pump assembly (100) arranged to be connected to a thermal energy circuit (300) comprising a hot conduit (302) configured to allow thermal fluid of a first temperature to flow therethrough, and a cold conduit (304) configured to allow thermal fluid of a second temperature to flow therethrough, the second temperature is lower than the first temperature, and a cooling machine assembly (200) arranged to be connected to a thermal energy circuit (300) comprising a hot conduit (302) configured to allow thermal fluid of a first temperature to flow therethrough, and a cold conduit (304) configured to allow thermal fluid of a second temperature to flow therethrough.
A distribution pump arrangement for a bi-directional hydraulic distribution grid can include a hot conduit control valve in a hot conduit; a first distribution pump having an inlet connected to the hot conduit at a first side of the hot conduit control valve, and an outlet connected to the hot conduit at a second side, opposite the first side, of the hot conduit control valve; a pressure difference determining device arranged beyond the second side of the hot conduit control valve and configured to determine a local pressure difference, Δp, between a local pressure of heat transfer liquid in the hot conduit and a local pressure of heat transfer liquid in the cold conduit; and a controller configured to set the distribution pump arrangement based at least in part on Δp.
Disclosed is a method for controlling a control valve (110), wherein the control valve (110) is configured to control a flow of heat transfer fluid to a thermal energy extraction unit (108). The method comprising: reviewing (S402) a demand signal for the control valve (110); checking (S404) if the demand signal is indicative of setting the control valve (110) in a hysteresis interval for the control valve (110); and upon the demand signal is indicative of setting the control valve (110) in the hysteresis interval, alternatingly (S406) setting the control valve (110) in an open state above the hysteresis interval and setting the control valve (110) in a closed state.
F16L 59/15 - Arrangements for the insulation of pipes or pipe systems for underground pipes
E02F 5/22 - Dredgers or soil-shifting machines for special purposes for making embankmentsDredgers or soil-shifting machines for special purposes for back-filling
F16L 1/028 - Laying or reclaiming pipes on land, e.g. above the ground in the ground
F16L 59/04 - Arrangements using dry fillers, e.g. using slag wool
8.
A METHOD AND AN APPARATUS FOR DETERMINING A DEVIATION IN A THERMAL ENERGY CIRCUIT
A method for identifying a deviation in a thermal energy circuit is presented. The method comprising: receiving (302) a first hot fluid flow measurement (f1) from a first hot fluid flow sensor (208) arranged in a hot fluid conduit (102); receiving (304) a first cold fluid flow measurement (r1) from a first cold fluid flow sensor (204) arranged in a cold fluid conduit (104); receiving (306) a second hot fluid flow measurement (f2) from a second hot fluid flow sensor (210) arranged in the hot fluid conduit (102) upstream the first hot fluid flow meter (208); receiving (308) a second cold fluid flow measurement (r2) from a second cold fluid flow sensor (206) arranged in the cold fluid conduit (104) downstream the first cold fluid flow sensor (204); receiving (310) a thermal device flow measurement (g) from a thermal device flow sensor (202) configured to measure a thermal device flow of a thermal device (106a) connected to the hot fluid conduit (102) downstream the first hot fluid flow sensor (208) and upstream the second hot fluid flow sensor (210), and to the cold fluid conduit (104) upstream the first cold fluid flow sensor (204) and downstream the second cold fluid flow sensor (206). The method further comprising upon (312) the first hot fluid flow measurement (f1) is different from the second hot fluid flow measurement (f2) and the thermal device flow measurement (g) in combination, generating (314) a first deviation signal indicating a deviation in the hot fluid conduit (102), or upon (316) the first cold fluid flow measurement (r1) is different from the second cold fluid flow measurement (r2) and the thermal device flow measurement (g) in combination, generating (318) a second deviation signal indicating a deviation in the cold fluid conduit (104).
A method for controlling a district thermal energy distribution system is presented. The method comprises: determining whether a local pressure difference between a feed line (111) and a return line (112) of a distribution grid (110) is below a predetermined threshold; upon the local pressure difference is determined to be below the predetermined threshold, generating a control signal comprising information instructing a local distribution system (150) to reduce outtake of heat or cold from the distribution grid (110); sending the control signal to a local control unit (140) of the local distribution system (150); and reducing, in response to the control signal, the outtake of heat or cold of the local distribution system (150) from the distribution grid (110). The distribution grid (110) may be a district heating grid or a district cooling grid. Also, a control server and a district thermal energy distribution system is presented.
F24F 5/00 - Air-conditioning systems or apparatus not covered by group or
G05B 19/4155 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by programme execution, i.e. part programme or machine function execution, e.g. selection of a programme
10.
Method and device for controlling indoor climate in a portion of a building
c) present in the portion (102) of the building (100); for each identified electronic device, determining whether the identified electronic device is associated with a user; determining (S406) an estimated total amount of heat dissipation present in the portion (102) of the building (100) based on an amount of heat dissipation associated with the respective user to which the respective identified electronic device is associated; and controlling (S408) indoor climate in the portion (102) of the building (100) based on the estimated total amount of heat dissipation present in the portion (102) of the building (100). Also, a server (106) and a system for performing the controlling are presented.
F24F 11/65 - Electronic processing for selecting an operating mode
F24F 11/58 - Remote control using Internet communication
F24F 11/74 - Control systems characterised by their outputsConstructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
F24F 11/80 - Control systems characterised by their outputsConstructional details thereof for controlling the temperature of the supplied air
F24D 11/02 - Central heating systems using heat accumulated in storage masses using heat pumps
F24D 19/10 - Arrangement or mounting of control or safety devices
F24F 11/84 - Control systems characterised by their outputsConstructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
12.
Method for filling a trench comprising a pair of conduits and such a filled trench
b) has a second thermal conduction coefficient, the second thermal conduction coefficient being different from the first thermal conduction coefficient.
A central controller for controlling power consumption in a thermal energy system is disclosed, the energy system may include a plurality of heat pump assemblies and a plurality of cooling machine assemblies, each heat pump assembly being connected to a thermal energy circuit comprising a hot conduit and a cold conduit via a thermal heating circuit inlet connected to the hot conduit and via a thermal heating circuit outlet connected to the cold conduit, each cooling machine assembly being connected to the thermal energy circuit via a thermal cooling circuit inlet connected to the cold conduit and via a thermal cooling circuit outlet connected to the hot conduit.
A thermal energy extraction assembly is disclosed, the thermal energy extraction assembly is configured to extract heat and/or cold from a thermal energy distribution grid. The assembly may include a connection circuit connecting the assembly to the grid; a first heat exchanger configured to exchange heat from a heating circuit to the grid; a second heat exchanger configured to extract heat from the grid to a cooling circuit; and a plurality of heat pumps each having a condenser side connected to the heating circuit and an evaporator side connected to the cooling circuit, the heat pumps being configured to pump heat from the cooling circuit to the heating circuit.
The disclosure relates to a method for controlling a heat distribution system. The method comprises: determining a time period of forecasted elevated overall outtake of heat from a district thermal energy distribution grid (110) by local heat distribution systems (150) connected to the district thermal energy distribution grid (110); determining, at a control sewer (130), a control signal associated with a respective one of a plurality of local control units (140), wherein each respective control signal is time resolved and comprises information pertaining to a temporary increase in heat outtake from the district thermal energy distribution grid (110) before the determined time period, and information pertaining to a temporary decrease in heat outtake from the district thermal energy distribution grid (110) during the determined time period; sending each respective control signal from the control sewer (130) to the respective local control unit (140); receiving the respective control signal at the respective local control unit (140); and regulating, at each respective local control unit (140) and based on the respective control signal, the outtake of heat by the respective local heat distribution system (150) from the district thermal energy distribution grid (110).
The present invention relates to a method for controlling setting of reversible heat pump assemblies (100) of a district thermal energy distribution system (1) in either a heating mode or a cooling mode. The method comprises: determining, at a control server, a first set of the reversible heat pump assemblies (100) to be set in the heating mode during a future time period; determining, at the control server, a second set of the reversible heat pump assemblies (100) to be set in the cooling mode during the future time period, wherein the second set of the reversible heat pump assemblies (100) is separate from the first set of the reversible heat pump assemblies (100); sending, from the control server (200) to the reversible heat pump assemblies (100) of the first set of the reversible heat pump assemblies (100), a respective control message to set the respective reversible heat pump assembly (100) in the heating mode for the future time period; sending, from the control server (200) to the reversible heat pump assemblies (100) of the second set of the reversible heat pump assemblies (100), a respective control message to set the respective reversible heat pump assembly (100) in the cooling mode for the future time period; and setting the respective reversible heat pump assembly (100) in either the heating mode or the cooling mode for the future time period.
The present invention relates to a method for controlling one or more heat pumps (110) connected to a distribution grid (10) for fluid-based distribution of heating and cooling in order to, at least partly, compensate for a cold outtake from the distribution grid (10) by a first cooling machine (120) connected to the distribution grid (10). Alternatively, or in combination, one or more cooling machines (120) connected to the distribution grid (10) may be controlled in order to, at least partly, compensate for a heat outtake from the distribution grid (10) by a first heat pump (120) connected to the distribution grid (10). The controlling is made a control server (200) monitoring outtake of heat and/or cold from the distribution grid (10) by the heat pumps (110) and cooling machines (120) connected to the distribution grid (10). The control server (120) generates and sends out control messages to the heat pumps and/or cooling machines.
F25D 11/02 - Self-contained movable devices associated with refrigerating machinery, e.g. domestic refrigerators with cooling compartments at different temperatures
The disclosure relates to a method for controlling a thermal energy distribution system, the method comprising: —determining forecast data pertaining to expected overall outtake of heat and/or cooling over time from a distribution grid by local distribution systems connected to the distribution grid, and to expected production capacity of heat and/or cooling in one or more production plants, —determining, at a control server, a time resolved control signal, the control signal being based on forecast data and being associated with at least one local control unit, —sending the control signal from the control server to the associated local control unit, —receiving the control signal at the associated local control unit, —regulating over time, in response to the control signal, the outtake of heat and/or cooling of the local distribution system from the distribution grid. The thermal energy distribution system is also claimed.
G05B 13/02 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
F24F 11/65 - Electronic processing for selecting an operating mode
Disclosed is a valve assembly (100) for drainage or deaeration of a hydraulic system (114), The valve assembly (100) comprising: a valve (102) comprising a first side (104) and a second side (106), the first side (104) is configured to be connected to the hydraulic system (114) and the second side (106) is connected to a mouth piece (108), wherein the valve (102) is configured to be set in an open state or in a closed state, wherein, upon the valve (102) is set in the open state, fluid in the hydraulic system (114) is free to pass the valve (102) from the first side (104) to the second side (106); a valve assembly controller (110) comprising a transceiver (202) configured to receive a control signal indicating a start of drainage or deaeration of the hydraulic system (114) and a valve assembly control circuit (204) configured to execute: a valve control function (210) configured to set the valve (102) in the open state or closed state; and a drainage or deaeration function (212) configured to, based on the control signal, instruct the valve control function (210) to set the valve (102) in the open state; and a sensor (112) configured to monitor the mouth piece (108) to obtain sensor data pertaining to fluid leaving the mouth piece (108) upon the valve (102) is set in the open state.
E21B 33/035 - Well headsSetting-up thereof specially adapted for underwater installations
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
A local energy distributing system includes a local feed conduit; a local return conduit; a central heat exchanger connected to a heating grid having a feed conduit for an incoming flow of heat transfer fluid having a first temperature in the range of 50-120° C., and a return conduit for a return flow of heat transfer fluid having a second temperature, the second temperature being lower than the first temperature, wherein the central heat exchanger is configured to exchange heat from the incoming flow of heat transfer fluid to an outgoing flow of local heat transfer fluid in the local feed conduit. The system also includes a plurality of local heating systems, each having an inlet connected to the local feed conduit and an outlet connected to the local return conduit, wherein each local heating system is configured to provide hot water and/or comfort heating to a building.
A heat extracting system (100) arranged to be connected to a thermal energy circuit (300) comprising a hot conduit (302) configured to allow thermal fluid of a first temperature to flow therethrough, and a cold conduit (304) configured to allow thermal fluid of a second temperature to flow therethrough, the second temperature is lower than the first temperature, and a heat depositing system (200) arranged to be connected to a thermal energy circuit (300) comprising a hot conduit (302) configured to allow thermal fluid of a first temperature to flow therethrough, and a cold conduit (304) configured to allow thermal fluid of a second temperature to flow therethrough, the second temperature is lower than the first temperature. Also a heat depositing system (200) is disclosed.
A controller configured to selectively set a reversible heat pump assembly (100) in either a heating mode or in a cooling mode is presented. The controller comprising a control circuit (44) configured to: for a time period, determine, using a demand determining function (50), a heating demand for heat from one or more local heating circuits (140) connected to the reversible heat pump assembly (100) and a cooling demand for cold from one or more local cooling circuits (140) connected to the reversible heat pump assembly (100); generate, using a control function (52), a control signal indicative of if the reversible heat pump assembly (100) is to be set in either the heating mode or in the cooling mode, wherein the control function is configured to use the heating demand and the cooling demand as input data; and send, using a transmission function (54), the control signal to a heat pump (110) of the reversible heat pump assembly (100). Also a method for controlling the reversible heat pump assembly (100) is presented.
A heat pump assembly (100) arranged to be connected to a thermal energy circuit (300) comprising a hot conduit (302) configured to allow thermal fluid of a first temperature to flow therethrough, and a cold conduit (304) configured to allow thermal fluid of a second temperature to flow therethrough, the second temperature is lower than the first temperature, and a cooling machine assembly (200) arranged to be connected to a thermal energy circuit (300) comprising a hot conduit (302) configured to allow thermal fluid of a first temperature to flow therethrough, and a cold conduit (304) configured to allow thermal fluid of a second temperature to flow therethrough.
A method for handling surplus or deficit of energy in local energy systems (30) is presented. The method comprising; determining an accumulator status based on data pertaining to an accumulator (20) of a moveable device (10); determining energy status of each of a plurality of local energy systems (30) based on data pertaining to the respective local energy system 30; scoring, based on the determined accumulator status and the determined energy statuses, each of the local energy systems (30); determining, based on the respective scores of each of the plurality of local energy systems (30), a local energy system (30), among the plurality of local energy systems (30), to which the moveable device (10) is to be directed. Also a server (40) configured to handling surplus or deficit of energy in local energy systems is presented.
B60L 53/63 - Monitoring or controlling charging stations in response to network capacity
B60L 55/00 - Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
A combined cooling and heating system including a district cooling grid having a feed conduit for an incoming flow of cooling fluid having a first temperature, and a return conduit for a return flow of cooling fluid having a second temperature, the second temperature being higher than the first temperature; a local cooling system being configured to absorb heat from a first building and comprising a heat exchanger having a heat exchanger inlet and a heat exchanger outlet; and a local heating system being configured to heat the first or a second building and comprising a heat pump having a heat pump inlet and a heat pump outlet. The heat exchanger inlet is connected to the feed conduit of the district cooling grid; and the heat pump inlet is connected to the return conduit of the district cooling grid and to the heat exchanger outlet.
F24F 5/00 - Air-conditioning systems or apparatus not covered by group or
F24F 11/84 - Control systems characterised by their outputsConstructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
F24D 3/18 - Hot-water central heating systems using heat pumps
A thermal energy extraction assembly (1) is configured to extract heat and/or cold from a thermal energy distribution grid (10) is presented. The assembly (1) comprising a connection circuit (20) connecting the assembly (1) to the grid (10); a first heat exchanger (30) configured to exchange heat from a heating circuit (40) to the grid (10); a second heat exchanger (50) configured to extract heat from the grid (10) to a cooling circuit (60); and a heat pump (70) having a condenser side (71) connected to the heating circuit (40) and an evaporator side (72) connected to the cooling circuit (60), the heat pump (70) being configured to pump heat from the cooling circuit (60) to the heating circuit (40).
A method for ensuring a flow of heat transfer fluid in a district thermal energy distribution grid (120) comprising a feed conduit (130) and a return conduit (140) is presented. The method comprising: checking if a thermal energy extraction unit (310) connected to the district thermal energy distribution grid is called for delivering thermal energy; upon the thermal energy extraction unit (310) not being called for delivering thermal energy, opening a control valve (340) configured to control a flow of heat transfer fluid from the feed conduit (130) via the thermal energy extraction unit (310) to the return conduit (140), thereby achieving a by-pass from the feed conduit (130) to the return conduit (140). Also control unit for controlling a thermal energy extraction unit (310) is presented.
Disclosed is a method for controlling a control valve (110), wherein the control valve (110) is configured to control a flow of heat transfer fluid to a thermal energy extraction unit (108). The method comprising: reviewing (S402) a demand signal for the control valve (110); checking (S404) if the demand signal is indicative of setting the control valve (110) in a hysteresis interval for the control valve (110); and upon the demand signal is indicative of setting the control valve (110) in the hysteresis interval, alternatingly (S406) setting the control valve (110) in an open state above the hysteresis interval and setting the control valve (110) in a closed state.
A system comprising a main circuit for routing a flow of heat transfer liquid out of a thermal storage to at least one outer heat exchanger and back to the thermal storage again, a main circulation pump configured to force the heat transfer liquid through the main circuit, a temperature sensor configured to measure the temperature of the heat transfer liquid, and a controller configured to control the main circulation pump based on temperature readings of the temperature sensor such that a calculated Reynolds number for the flow of heat transfer liquid is constant at a predetermined target Reynolds number over at least a primary temperature range.
F24F 11/85 - Control systems characterised by their outputsConstructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using variable-flow pumps
F24D 3/02 - Hot-water central heating systems with forced circulation, e.g. by pumps
F24D 3/10 - Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks
F24D 5/02 - Hot-air central heating systemsExhaust-gas central heating systems operating with discharge of hot air into the space or area to be heated
F24D 11/00 - Central heating systems using heat accumulated in storage masses
F24T 10/15 - Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes using bent tubesGeothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes using tubes assembled with connectors or with return headers
31.
Handling surplus and/or deficit of energy in local energy systems
A method for handling surplus or deficit of energy in a local energy system (30) is presented. The method comprising: determining (S1) energy status of the local energy system (30) based on data pertaining to the local energy system (30); determining (S2), for each of a plurality of moveable devices (10) comprising an accumulator (20), an accumulator status based on accumulator data pertaining to the respective moveable device (10); scoring (S3), based on the determined respective accumulator statuses and the determined energy status, each of the moveable devices (10); and selecting (S4), based on the respective scores of each of the plurality of moveable devices (10), a moveable device (10) among the plurality of moveable devices (10) to which at least one of control information or navigational information associated to the local energy system (30) is to be sent; and sending the control information and/or the navigational information to the selected moveable device (10). Also a server (40) configured to handling surplus or deficit of energy in a local energy system is presented.
B60L 53/63 - Monitoring or controlling charging stations in response to network capacity
B60L 55/00 - Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
A district energy distributing system is disclosed. The system comprises a geothermal heat source system comprising a geothermal heat source and a feed conduit for a flow of geothermally heated water from the geothermal heat source. The system further comprises a district feed conduit, a district return conduit and a plurality of local heating systems, each having an inlet connected to the district feed conduit and an outlet connected to the district return conduit, wherein each local heating system is configured to provide hot water and/or comfort heating to a building, A central heat exchanger is connected to the feed conduit of the geothermal heat source system such that an incoming flow of geothermally heated water is provided to the central heat exchanger.
Disclosed is a method for locating a leak in a distribution system (100a, 100b) configured to distribute a liquid, the distribution system comprising at least one conduit (102, 103, 104) configured to transport the liquid, the at least one conduit (102, 103, 104) being at least partly buried in ground, the method comprising receiving (S402) an alarm indicating existence of a leak in the distribution system (100a, 100b); adjusting (S404) a temperature of the liquid of the distribution system (100a, 100b); and locating (S406) the leak by detecting, using thermography, a position along the at least one conduit (102, 103, 104) at which position a deviation in ground temperature, induced by the adjusted temperature, exists. Also a central control server (300) configured to perform the above method and a system comprising the distribution system (100a, 100b), the central control server (300) and a drone (114) are disclosed.
G01M 3/28 - Investigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables, or tubesInvestigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipe joints or sealsInvestigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for valves
34.
TEMPERATURE REGULATING MODULE AND A SYSTEM COMPRISING THE SAME
A system comprising a thermal energy circuit (40) which comprises a hot fluid conduit (41) and a cold fluid conduit (42), the system further comprising a first temperature regulating module (10b) and a second temperature regulating module (10b), wherein the first temperature regulating module (10a) 5 comprises a first temperature regulating conduit (11a) connected to the hot fluid conduit (41) and wherein the second temperature regulating module (10b) comprises a second temperature regulating conduit (11b) connected to the cold fluid conduit (42), the system (50) further comprising a first valve arrangement configured to selectively let the thermal distribution fluid flow in 10 the first temperature regulating conduit (11a), and a second valve arrangement configured to selectively let the thermal distribution fluid flow in the second temperature regulating conduit (11b).
F24D 11/00 - Central heating systems using heat accumulated in storage masses
F24T 10/15 - Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes using bent tubesGeothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes using tubes assembled with connectors or with return headers
F28D 20/00 - Heat storage plants or apparatus in generalRegenerative heat-exchange apparatus not covered by groups or
The present invention relates to a flow controller configured to selectively act as a pump or as a flow regulator. The flow controller comprises: an inlet for a fluid; an outlet for the fluid; a pump assembly arranged between the inlet and the outlet and configured to pump the fluid through the flow controller from the inlet to the outlet; a hydro electrical generator assembly arranged between the inlet and the outlet, the hydro electrical generator assembly configured to allow the fluid flow through the flow controller from the inlet to the outlet and to generate electricity by transforming flow energy of the fluid flowing through the flow controller into electricity; and a mode controller configured to selectively set the flow controller in a pumping mode or in an electricity generating mode.
F03B 3/10 - Machines or engines of reaction typeParts or details peculiar thereto characterised by having means for functioning alternatively as pumps or turbines
A method for controlling a district thermal energy distribution system is presented. The method comprises: determining whether a local pressure difference between a feed line (111) and a return line (112) of a distribution grid (110) is below a predetermined threshold; upon the local pressure difference is determined to be below the predetermined threshold, generating a control signal comprising information instructing a local distribution system (150) to reduce outtake of heat or cold from the distribution grid (110); sending the control signal to a local control unit (140) of the local distribution system (150); and reducing, in response to the control signal, the outtake of heat or cold of the local distribution system (150) from the distribution grid (110). The distribution grid (110) may be a district heating grid or a district cooling grid. Also, a control server and a district thermal energy distribution system is presented.
A method for controlling indoor climate in a portion (102) of a building (100) is presented. The method comprises: identifying (S402), based on a wireless communication based positioning function, electronic devices (204a, 204b, 204c) present in the portion (102) of the building (100); for each identified electronic device, determining whether the identified electronic device is associated with a user; determining (S406) an estimated total amount of heat dissipation present in the portion (102) of the building (100) based on an amount of heat dissipation associated with the respective user to which the respective identified electronic device is associated; and controlling (S408) indoor climate in the portion (102) of the building (100) based on the estimated total amount of heat dissipation present in the portion (102) of the building (100). Also, a server (106) and a system for performing the controlling are presented.
Disclosed is a control unit (206) configured to control an outtake of heat and/or cold of a thermal device (106) from a distribution grid (202) for a fluid based distribution of heat and/or cold. The control unit (206) comprising: a communication unit (302) configured to communicate with a central (208) server using a predetermined rule of communication; a control circuit (304) configured to execute: a monitoring function (310) configured to monitor the communication between the control unit (206) and the central server (208); a mode setting function (312) configured to: upon the communication between the control unit (206) and the central server (208) fulfills the predetermined rule of communication, set the thermal device (106) in a normal operation mode, upon the communication between the control unit (206) and the central server (208) does not fulfill the predetermined rule of communication, set the thermal device (106) in a limited operation mode, wherein the limited operation mode is more restricted than the normal operation mode, wherein in the normal operation mode the thermal device (106) is allowed to freely take out heat and/or cold from the distribution grid (202), wherein in the limited operation mode the thermal device (106) is restricted to take out heat and/or cold from the distribution grid (202) below a preconfigured threshold.
12,12 2 11 21 22 11, set the primary side inlet valve assembly (126) to fluidly connect the primary side inlet valve first conduit connection (126b) and the primary side inlet connection (126a).
F24D 19/10 - Arrangement or mounting of control or safety devices
F24F 5/00 - Air-conditioning systems or apparatus not covered by group or
F24F 11/84 - Control systems characterised by their outputsConstructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
40.
A METHOD AND A SERVER FOR VERIFYING A PHYSICAL CONNECTION OF AN UNVERIFIED THERMAL DEVICE TO A SPECIFIC COMBINED DISTRICT HEATING AND COOLING SYSTEM
Disclosed is a method for verifying a physical connection of an unverified thermal device (202) to a specific combined district heating and cooling system (100). The method comprising: receiving (402), from a verified thermal device (106a-e, 112) already verified as physically connected to the specific combined district heating and cooling system (100), reference data pertaining to a physical characteristic associated to the specific combined district heating and cooling system (100); receiving (404), from the unverified thermal device (202), test data pertaining to a physical characteristic of a combined district heating and cooling system (100) the unverified thermal device (202) is connected to; determining (406) a comparison criterion based on the reference data; and comparing (408) the test data and the comparison criterion. Upon the comparison fulfills (410) the comparison criterion, verifying (412) that the unverified thermal device (202) is physically connected to the specific combined district heating and cooling system (100). Also a server configured to verify a physical connection of an unverified thermal device (202) to a specific combined district heating and cooling system (100) is disclosed.
A method for identifying a deviation in a thermal energy circuit is presented. The method comprising: receiving (302) a first hot fluid flow measurement (f1) from a first hot fluid flow sensor (208) arranged in a hot fluid conduit (102); receiving (304) a first cold fluid flow measurement (r1) from a first cold fluid flow sensor (204) arranged in a cold fluid conduit (104); receiving (306) a second hot fluid flow measurement (f2) from a second hot fluid flow sensor (210) arranged in the hot fluid conduit (102) upstream the first hot fluid flow meter (208); receiving (308) a second cold fluid flow measurement (r2) from a second cold fluid flow sensor (206) arranged in the cold fluid conduit (104) downstream the first cold fluid flow sensor (204); receiving (310) a thermal device flow measurement (g) from a thermal device flow sensor (202) configured to measure a thermal device flow of a thermal device (106a) connected to the hot fluid conduit (102) downstream the first hot fluid flow sensor (208) and upstream the second hot fluid flow sensor (210), and to the cold fluid conduit (104) upstream the first cold fluid flow sensor (204) and downstream the second cold fluid flow sensor (206). The method further comprising upon (312) the first hot fluid flow measurement (f1) is different from the second hot fluid flow measurement (f2) and the thermal device flow measurement (g) in combination, generating (314) a first deviation signal indicating a deviation in the hot fluid conduit (102), or upon (316) the first cold fluid flow measurement (r1) is different from the second cold fluid flow measurement (r2) and the thermal device flow measurement (g) in combination, generating (318) a second deviation signal indicating a deviation in the cold fluid conduit (104).
A local thermal energy consumer assembly and a local thermal energy generator assembly to be connected to a thermal energy circuit comprising a hot and a cold conduit. The local thermal energy consumer assembly is connected via a flow controller to the hot conduit. The local thermal energy generator assembly is connected via a flow controller to the cold conduit. The flow controller is selectively set in pumping mode or a flowing mode based on a local pressure difference between heat transfer liquid of the hot and cold conduits.
hotcoldcoldhothot, set the distribution pump arrangement in a hot conduit pumping mode, wherein: the hot conduit control valve (20) is set to be closed, and the first distribution pump (22) is set to be active, thereby reduce the local pressure difference.
The present invention relates to a method for controlling setting of reversible heat pump assemblies (100) of a district thermal energy distribution system (1) in either a heating mode or a cooling mode. The method comprises: determining, at a control server, a first set of the reversible heat pump assemblies (100) to be set in the heating mode during a future time period; determining, at the control server, a second set of the reversible heat pump assemblies (100) to be set in the cooling mode during the future time period, wherein the second set of the reversible heat pump assemblies (100) is separate from the first set of the reversible heat pump assemblies (100); sending, from the control server (200) to the reversible heat pump assemblies (100) of the first set of the reversible heat pump assemblies (100), a respective control message to set the respective reversible heat pump assembly (100) in the heating mode for the future time period; sending, from the control server (200) to the reversible heat pump assemblies (100) of the second set of the reversible heat pump assemblies (100), a respective control message to set the respective reversible heat pump assembly (100) in the cooling mode for the future time period; and setting the respective reversible heat pump assembly (100) in either the heating mode or the cooling mode for the future time period.
F24D 3/18 - Hot-water central heating systems using heat pumps
F24F 5/00 - Air-conditioning systems or apparatus not covered by group or
F24F 11/62 - Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
F24F 11/67 - Switching between heating and cooling modes
45.
METHOD FOR FILLING A TRENCH COMPRISING A PAIR OF CONDUITS AND SUCH A FILLED TRENCH
A filled trench is disclosed. The filled trench comprises: a pair of conduits (3a, 3b) for delivering fluid with a different temperature in each of the conduits, the pair of conduits being surrounded by filling material; a first section (5a) filled with a filling material of a first type (4a), wherein the first filled section (5a) of the filled trench occupies a space surrounding a first conduit (3a) of the pair of conduits; and a second section (5b) filled with a filling material of a second type (4b), wherein the second filled section (5b) of the filled trench occupies a space surrounding a second conduit (3b) of the pair of conduits. The filling material of the first type (4a) has a first thermal conduction coefficient and the filling material of the second type (4b) has a second thermal conduction coefficient, the second thermal conduction coefficient being different from the first thermal conduction coefficient.
The present invention relates to a flow controller configured to selectively act as a pump or as a flow regulator. The flow controller comprises: an inlet for a fluid; an outlet for the fluid; a pump assembly arranged between the inlet and the outlet and configured to pump the fluid through the flow controller from the inlet to the outlet; a hydro electrical generator assembly arranged between the inlet and the outlet, the hydro electrical generator assembly configured to allow the fluid flow through the flow controller from the inlet to the outlet and to generate electricity by transforming flow energy of the fluid flowing through the flow controller into electricity; and a mode controller configured to selectively set the flow controller in a pumping mode or in an electricity generating mode.
F03B 3/10 - Machines or engines of reaction typeParts or details peculiar thereto characterised by having means for functioning alternatively as pumps or turbines
A filled trench is disclosed. The filled trench comprises: a pair of conduits (3a, 3b) for delivering fluid with a different temperature in each of the conduits (3a, 3b), the pair of conduits (3a, 3b) being surrounded by filling material; a first section (5a) filled with a filling material of a first type (4a), wherein the first filled section (5a) of the filled trench occupies a space in between the pair of conduits (3a, 3b); and a second section (5b) filled with a filling material of a second type (4b). The filling material of the first type (4a) has a first thermal conduction coefficient and the filling material of a second type (4b) has a higher second thermal conduction coefficient. Further, a method for filling such a filled trench is disclosed.
The disclosure relates to a method for controlling a thermal energy distribution system, the method comprising: - determining forecast data pertaining to expected overall outtake of heat and/or cooling over time from a distribution grid by local distribution systems connected to the distribution grid, and to expected production capacity of heat and/or cooling in one or more production plants, - determining, at a control server, a time resolved control signal, the control signal being based on forecast data and being associated with at least one local control unit, - sending the control signal from the control server to the associated local control unit, - receiving the control signal at the associated local control unit, - regulating over time, in response to the control signal, the outtake of heat and/or cooling of the local distribution system from the distribution grid. The thermal energy distribution system is also claimed.
The disclosure relates to a method for controlling a heat distribution system. The method comprises: determining a time period of forecasted elevated overall outtake of heat from a district thermal energy distribution grid (110) by local heat distribution systems (150) connected to the district thermal energy distribution grid (110); determining, at a control server (130), a control signal associated with a respective one of a plurality of local control units (140), wherein each respective control signal is time resolved and comprises information pertaining to a temporary increase in heat outtake from the district thermal energy distribution grid (110) before the determined time period, and information pertaining to a temporary decrease in heat outtake from the district thermal energy distribution grid (110) during the determined time period; sending each respective control signal from the control server (130) to the respective local control unit (140); receiving the respective control signal at the respective local control unit (140); and regulating, at each respective local control unit (140) and based on the respective control signal, the outtake of heat by the respective local heat distribution system (150) from the district thermal energy distribution grid (110).
A district energy distributing system comprising a geothermal power plant comprising a first and a second circuit. The first circuit comprises a feed conduit for an incoming flow of geothermally heated water from a geothermal heat source; a boiler comprising a heat exchanger configured to exchange heat from the incoming flow of geothermally heated water to superheat a working medium of a second circuit of the geothermal power plant; and a return conduit for a return flow of cooled water from the boiler to the geothermal heat source. The second circuit comprises the boiler configured to superheat the working medium of the second circuit; an expander configured to allow the superheated working medium to expand and to transform the expansion to mechanical work; and a condenser configured to transform the expanded working medium to liquid phase and to heat a heat transfer fluid of a district thermal energy circuit.
F01K 9/00 - Steam engine plants characterised by condensers arranged or modified to co-operate with the engines
F24D 19/10 - Arrangement or mounting of control or safety devices
F24D 18/00 - Small-scale combined heat and power [CHP] generation systems specially adapted for domestic heating, space heating or domestic hot-water supply
F24T 10/20 - Geothermal collectors using underground water as working fluidGeothermal collectors using working fluid injected directly into the ground, e.g. using injection wells and recovery wells
F24D 103/13 - Small-scale CHP systems characterised by their heat recovery units characterised by their heat exchangers
F24D 101/10 - Gas turbinesSteam engines or steam turbinesWater turbines, e.g. located in water pipes
51.
LOCAL HEAT EXTRACTING ASSEMBLY HAVING PASSIVE AND ACTIVE ELEMENTS AND A LOCAL ENERGY DISTRIBUTING SYSTEM COMPRISING A PLURALITY OF SUCH LOCAL HEAT EXTRACTING ASSEMBLIES
A local heat extracting assembly (200) is disclosed. The local heat extracting assembly (200) having one inlet (201) connectable to a local feed conduit (22) of a local energy distributing system (20), and one outlet (205) connectable to a local return conduit (23) of the local energy distributing system (20). The local heat extracting assembly (200) comprises: a local heat exchanger (220) configured to extract heat from local heat transfer fluid of the local feed conduit (22) to a heating liquid of a heating circuit (230) configured to circulate the heating liquid in a building (40) for providing comfort heating; and a heat pump (210) configured to pump heat from the heating liquid of the heating circuit (230) or from local heat transfer fluid of the local feed conduit (22) to provide hot tap water to the building (40). A local energy distributing system (20) comprising a plurality of local heat extracting assembly (200) is further disclosed. Further, a method for extracting heat from the local energy distributing system (20) and a method for distributing energy to a plurality of buildings (40) are disclosed.
A system comprising a main circuit for routing a flow of heat transfer liquid out of a thermal storage to at least one outer heat exchanger and back to the thermal storage again, a main circulation pump configured to force the heat transfer liquid through the main circuit, a temperature sensor configured to measure the temperature of the heat transfer liquid, and a controller configured to control the main circulation pump based on temperature readings of the temperature sensor such that a calculated Reynolds number for the flow of heat transfer liquid is constant at a predetermined target Reynolds number over at least a primary temperature range.
F24D 19/10 - Arrangement or mounting of control or safety devices
F28F 13/12 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
53.
METHOD AND CONTROLLER FOR CONTROLLING A REVERSIBLE HEAT PUMP ASSEMBLY
A controller configured to selectively set a reversible heat pump assembly (100) in either a heating mode or in a cooling mode is presented. The controller comprising a control circuit (44) configured to: for a time period, determine, using a demand determining function (50), a heating demand for heat from one or more local heating circuits (140) connected to the reversible heat pump assembly (100) and a cooling demand for cold from one or more local cooling circuits (140) connected to the reversible heat pump assembly (100); generate, using a control function (52), a control signal indicative of if the reversible heat pump assembly (100) is to be set in either the heating mode or in the cooling mode, wherein the control function is configured to use the heating demand and the cooling demand as input data; and send, using a transmission function (54), the control signal to a heat pump (110) of the reversible heat pump assembly (100). Also a method for controlling the reversible heat pump assembly (100) is presented.
F24F 11/83 - Control systems characterised by their outputsConstructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
F24F 11/65 - Electronic processing for selecting an operating mode
F24F 11/67 - Switching between heating and cooling modes
54.
REVERSIBLE HEAT PUMP ASSEMBLY AND DISTRICT THERMAL ENERGY DISTRIBUTION SYSTEM COMPRISING SUCH A REVERSIBLE HEAT PUMP ASSEMBLY
A reversible heat pump assembly (100) is disclosed. The heat pump assembly (100) comprises a heat pump (110) having a first side (120) and a second side (130), the heat pump (110) being configured to transfer heat from the first side (120) to the second side (130) or vice versa; a first side inlet valve assembly (126) having a heat pump connection (126a) connected to the first side (120), and hot and cold conduit connections (126b; 126c) arranged to be connected to a thermal energy grid (10) comprising hot and cold conduits (12; 14); a second side outlet valve assembly (136) having a heat pump connection (136a) connected to the second side (130), and heating and cooling circuit connections (136b; 136c) arranged to be connected to heating and cooling circuits (130; 140), respectively. The reversible heat pump assembly (100) is configured to be selectively set in either a heating mode or a cooling mode. In the heating mode the heat pump (110) is configured to transfer heat from the first side (120) to the second side (130), the first side inlet valve assembly (126) is configured to fluidly connect the hot conduit connection (126b) and the heat pump connection (126a), and the second side outlet valve assembly (136) is configured to fluidly connect the heat pump connection (136a) and the heating circuit connection (136b). In the cooling mode the heat pump (110) is configured to transfer heat from the second side (130) to the first side (120), the first side inlet valve assembly (126) is configured to fluidly connect the cold conduit connection (126c) and the heat pump connection (126a), and the second side outlet valve assembly (136) is configured to fluidly connect the heat pump connection (136a) and the cooling circuit connection (136c). Also a district thermal energy distribution system comprising a plurality of reversible heat pump assemblies (100) is disclosed.
A method for handling surplus or deficit of energy in local energy systems (30) is presented. The method comprising; determining an accumulator status based on data pertaining to an accumulator (20) of a moveable device (10); determining energy status of each of a plurality of local energy systems (30) based on data pertaining to the respective local energy system 30; scoring, based on the determined accumulator status and the determined energy statuses, each of the local energy systems (30); determining, based on the respective scores of each of the plurality of local energy systems (30), a local energy system (30), among the plurality of local energy systems (30), to which the moveable device (10) is to be directed. Also a server (40) configured to handling surplus or deficit of energy in local energy systems is presented.
A method for handling surplus or deficit of energy in a local energy system (30) is presented. The method comprising: determining (S1) energy status of the local energy system (30) based on data pertaining to the local energy system (30); determining (S2), for each of a plurality of moveable devices (10) comprising an accumulator (20), an accumulator status based on accumulator data pertaining to the respective moveable device (10); scoring (S3), based on the determined respective accumulator statuses and the determined energy status, each of the moveable devices (10); and selecting (S4), based on the respective scores of each of the plurality of moveable devices (10), a moveable device (10) among the plurality of moveable devices (10) to which at least one of control information or navigational information associated to the local energy system (30) is to be sent; and sending the control information and/or the navigational information to the selected moveable device (10). Also a server (40) configured to handling surplus or deficit of energy in a local energy system is presented.
The disclosure relates to a method for controlling heat transfer between a local cooling system and a local heating system, the method comprising: determining a local energyconsumption need (LCC1, LCC2) of the local cooling system; determining a local energy consumption need (LHC1, LHC2) of the local heating system; controlling, based on the local energy consumption need (LCC1, LCC2) of the local cooling system and the local energy consumption need (LHC1, LHC2) of the local heating system, a heat pump (50, 50′) connected between the local cooling system and the local heating system and configured to transfer heat from the local cooling system to the local heating system.
F24F 11/83 - Control systems characterised by their outputsConstructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
F24D 19/10 - Arrangement or mounting of control or safety devices
F24F 3/06 - Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatmentApparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
The present invention relates to a heat transfer system comprising a heating circuit having a feed conduit for an incoming flow of heat transfer fluid having a first temperature, and a return conduit for a return flow of heat transfer fluid having a second temperature, the second temperature being lower than the first temperature. The heat transfer system also includes a cooling circuit having a feed conduit for an incoming flow of heat transfer fluid having a third temperature, and a return conduit for a return flow of heat transfer fluid having a fourth temperature, the fourth temperature being higher than the third temperature, and a heat pump including a first heat exchanger having a first circuit for circulating heat transfer fluid and a second circuit for circulating heat transfer fluid.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
35 - Advertising and business services
37 - Construction and mining; installation and repair services
39 - Transport, packaging, storage and travel services
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Programs for computers; Application software; Apparatus and instruments for measuring, signalling, checking (supervision) and controlling electricity; Computer programs for gathering information, analysis and reporting in relation to energy use, energy efficiency, energy saving, cost analysis, administration, energy analysis, invoicing, environmental reporting, environmental impact analysis, trend reporting and alarm systems; Power-line transmission apparatus; Power wires; Force transducers; Power units [transformers]; Power packs [transformers]; Power transformers for amplification; Energy control devices; Electric control devices; Apparatus and instruments for accumulating and storing electricity. Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; Gas, heat, cold and water installations in connection with supplying the population. Business management, and planning therefor, for others, in connection with operating installations for supplying the population with electricity, gas, heat, cold and water; Arranging contracts for the supply of electrical and thermal energy and of gaseous fuels; Organisational and professional business consultancy in the energy sector (included in class 35); Procurement services for others (purchasing goods and services for other businesses) in the energy sector; Providing of expertise on organisational and professional business issues relating to electrical and thermal energy, gas, water and wastewater; Monitoring of operational processes from an organisational and professional business standpoint, in particular reading of meters for electric and thermal energy, gas and water, and billing therefor; Creation of professional business and/or marketing concepts in the field of energy technology for others; advisory, Analysis and information relating to preparation of cost analysis and administration in relation to energy consumption and environmental impact. Construction of installations for supplying the population with electricity, gas, heat, cold and water; Maintenance of installations for supplying the population with electricity, gas, heat, cold and water; Contractor services relating to heating and heat; Installation, maintenance and operational optimisation of energy networks; Consultancy relating to installation, maintenance and operational optimisation of energy networks. Conveying of electricity, gas, heat, cold and water; Physical storage of electronically-stored data or documents; Electricity distribution; Distribution of energy; Water distribution; Water supply; Supplying consumers with electrical and thermal energy and gaseous fuels and water; Accumulating, transporting, conducting and distributing of electrical and thermal energy, gaseous fuels and water, removal and storage of waste, transport by pipeline. Generation of electrical energy; Energy production; Air freshening; Air purification; Air freshening; Recycling of waste and trash; Sorting of waste and recyclable material [transformation]; Incineration of waste and trash; Rental of generators; Rental of air-conditioning apparatus; Rental of space heating apparatus; Destruction of waste and trash; Water treatment; Generating electrical and thermal energy in power stations, cogeneration power stations, wind power installations and solar installations; Generating electrical and thermal energy from renewable energy sources, in particular wind energy, water energy, solar energy, geothermal energy and biomass; Production of biogas; Treating waste water by mechanical or chemical cleaning, wastewater disposal; Disposal of refuse and waste through chemical conversion, processing, destruction and incineration. Technical planning and organisation for operating installations for supplying the population with electricity, gas, heat, cold and water; Scientific and technological services and research and design relating thereto; Monitoring energy consumption; Measurement services; Counselling, Analysis and information relating to energy use, energy efficiency, energy saving, energy analysis, environmental reporting and environmental impact analysis; Analysis and forecasting in relation to energy efficiency.
61.
Thermal server plant and a method for controlling the same
The present invention relates to a thermal server plant (40) arranged to be connected to a thermal energy circuit (10) comprising a hot conduit (12) configured to allow heat transfer liquid of a first temperature to flow therethrough, and a cold conduit (14) configured to allow heat transfer liquid of a second temperature to flow therethrough. The thermal server plant comprises a balancing device (41) arranged to be connected to the hot conduit and to the cold conduit for selectively allowing heat transfer liquid to flow from the hot conduit, via a regulator (42) and a heat exchanger (44), into the cold conduit or allowing heat transfer liquid to flow from the cold conduit, via the regulator and the heat exchanger, into the hot conduit. The flow direction is determined by a pressure difference between the hot and cold conduits. The heat exchanger is configured to alter the temperature of the heat transfer liquid flowing through the balancing device by selectively cool heat transfer liquid from the hot conduit or heat transfer liquid from the cold conduit.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
35 - Advertising and business services
37 - Construction and mining; installation and repair services
39 - Transport, packaging, storage and travel services
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Computer software; application software (apps); apparatus
and instruments for measuring, signaling, checking
(monitoring) and control of electricity; computer programs
for information, analysis and reporting of energy use,
energy efficiency, energy conservation, cost analysis,
administration, energy analysis, invoice management,
environmental reporting, environmental impact analysis,
trend reporting and alarm systems; power line transmission
devices; power lines; power converter; power units
[transformers]; power supplies [transformers]; power
transformers for amplification; energy control devices;
electrical control devices; apparatus and instruments for
the accumulation and storage of electricity. Apparatus for lighting, heating, steaming, boiling, cooling,
drying, ventilation, water supply and sanitary purposes;
facilities for gas, heat, cooling and water in connection
with the supply of the population. Business planning and management on behalf of third parties
in connection with the operation of facilities for the
supply of electricity, gas, heat, cold and water; provision
of contracts for the supply of electrical and thermal energy
and of gaseous fuels; organizational and business consulting
in the field of energy included in this class; acquisition
services for third parties (acquisition of goods and
services for other companies) in the energy field; issuance
of statements regarding organizational and business issues
relating to electrical and thermal energy, gas, water and
wastewater; business and organizational monitoring of
business processes, in particular reading of electric and
thermal energy, gas and water counters, and drawing up of
calculations for this; development of business and/or
marketing concepts in the field of energy technology for
others. Construction of facilities for supplying the population with
electrical energy, gas, heat, cooling and water; maintenance
services of facilities for supplying the population with
electrical energy, gas, heat, cooling and water;
construction services relating to the installation of
heating systems; installation, maintenance and operation of
energy networks; advice on installation, maintenance and
optimization of energy networks. Electricity, gas, heat, cooling and water supply
(distribution); physical storage of electronically stored
data or documents; electricity distribution; distribution of
energy; water distribution; water supply; supply of
electrical and thermal energy, gaseous fuels and water for
others; storage, transport, supply, distribution of
electrical and thermal energy, gaseous fuels and water;
transport and storage of waste; transport by pipeline. Generation of electricity; production of energy; air
conditioning; air purification; air deodorizing; recycling
of waste and garbage; sorting of waste and recyclable
materials; burning of waste and garbage; rental of
generators; rental of air conditioners; rental of air
heaters; destruction of waste and garbage; water treatment;
generation of electrical and thermal energy in power plants,
district heating plants, wind power plants, solar plants;
generation of electrical and thermal energy from renewable
energy sources, in particular wind energy, water energy,
solar energy, geothermal energy and biomass; production of
biogas; treatment of wastewater through mechanical or
chemical purification, sewage treatment; disposal of waste
and garbage through chemical transformation, processing,
destruction and combustion; recycling of waste and garbage. Technical design and planning services relating to the
operation of facilities for supplying the population with
electrical energy, gas, water, heating and cooling services;
providing technical consultation, analysis and information
regarding energy use, energy efficiency, energy
conservation, energy analysis, environmental reporting and
environmental impact analysis; consultancy in the field of
energy efficiency (providing analyzes and forecasts).
A district energy distributing system is disclosed. The system comprises a geothermal heat source system (5) comprising a geothermal heat source (10) and a feed conduit (11) for a flow of geothermally heated water from the geothermal heat source (10). The system further comprises a district feed conduit (22) and a district return conduit (23). The system also comprises a plurality of local heating systems (200; 250), each having an inlet (25) connected to the district feed conduit (22) and an outlet (26) connected to the district return conduit (23), wherein each local heating system (200; 250) is configured to provide hot water and/or comfort heating to a building (40). A central heat exchanger (21) is connected to the feed conduit (11) of the geothermal heat source system (5) such that an incoming flow of geothermally heated water is provided to the central heat exchanger (21). The central heat exchanger (21) is configured to exchange heat from the incoming flow of geothermally heated water to an outgoing flow of heat transfer fluid in the district feed conduit (22), and also to control the temperature of the outgoing flow of heat transfer fluid in the district feed conduit (22) to a temperature of 5-30°C. Further a method of distributing energy to a plurality of buildings (40) is disclosed.
A district energy distributing system comprising a geothermal power plant (50) comprising a first and a second circuit is disclosed. The first circuit comprises a feed conduit (11) for an incoming flow of geothermally heated water from a geothermal heat source (10); a boiler (51) comprising a heat exchanger (52a, 52b, 52c) configured to exchange heat from the incoming flow of geothermally heated water to superheat a working medium of a second circuit of the geothermal power plant (50); and a return conduit (12) for a return flow of cooled water from the boiler (51) to the geothermal heat source (10). The second circuit comprises the boiler (51) configured to superheat the working medium of the second circuit; an expander (53) configured to allow the superheated working medium to expand and to transform the expansion to mechanical work; and a condenser (55) configured to transform the expanded working medium to liquid phase and to heat a heat transfer fluid of a district thermal energy circuit (20). The district thermal energy circuit (20) comprises a plurality of local heating systems (200; 250), each system (200; 250) being configured to provide hot water and/or comfort heating to a building (40). The condenser (55) is configured to heat heat transfer fluid of the district feed conduit (22) to a temperature of 5-30°C. Also, a method of providing mechanical work and of heating heat transfer fluid of a district thermal energy circuit (20) is disclosed.
The present invention relates to a local thermal energy consumer assembly and a local thermal energy generator assembly to be connected to a thermal energy circuit comprising a hot and a cold conduit. The local thermal energy consumer assembly is selectively connected, via a pump or a valve to the hot conduit. The local thermal energy generator assembly is selectively connected, via a pump or a valve to the cold conduit. The use of either the valve or the pump is controlled by determining a local pressure difference between heat transfer liquid of the hot and the cold conduits.
The present invention relates to a district thermal energy distribution system comprising a thermal energy circuit comprising a hot and a cold conduit for allowing flow of heat transfer liquid therethrough, a thermal energy consumer heat exchanger and a thermal energy generator heat exchanger. The thermal energy consumer heat exchanger is selectively connected to the hot conduit via a thermal energy consumer valve or a thermal energy consumer pump. The thermal energy generator heat exchanger is selectively connected to the cold conduit via a thermal energy generator valve or a thermal energy generator pump.
The present invention relates to a local thermal energy consumer assembly (20) and a local thermal energy generator assembly (30) to be connected to a thermal energy circuit (10) comprising a hot and a cold conduit (12, 14).The local thermal energy consumer assembly(20) is connected via a flow controller (100) to the hot conduit (12). The local thermal energy generator assembly(30) is connected via a flow controller (100) to the cold conduit (14).The flow controller (100) is selectively set in pumping mode or a flowing mode based on a local pressure difference between heat transfer liquid of the hot and cold conduits (12, 14). The present invention also relates to a district thermal energy distribution system, comprising the hot and cold conduits (12, 14). One or more local thermal energy consumer assemblies (20)and/orone or more the thermal energy generator assemblies (30) are connected to the hot and cold conduits (12, 14).
The present invention relates to a flow controller (1) configured to selectively act as a pump or as a flow regulator. The flow controller comprises: an inlet (2) for a fluid; an outlet (3) for the fluid; a pump assembly (10) arranged between the inlet (2) and the outlet (3) and configured to pump the fluid through the flow controller (1) from the inlet (2) to the outlet (3); a hydro electrical generator assembly (20) arranged between the inlet (2) and the outlet (3), the hydro electrical generator assembly (20) being configured to allow the fluid flow through the flow controller (1 ) from the inlet (2) to the outlet (3) and to generate electricity by transforming flow energy of the fluid flowing through the flow controller (1 ) into electricity; and a mode controller (30) configured to selectively set the flow controller (1 ) in a pumping mode or in an electricity generating mode; wherein upon being set in the pumping mode, the mode controller (30) is configured to deactivate the hydro electrical generator assembly (20) and to activate the pump assembly (10); and wherein upon being set in the electricity generating mode, the mode controller (30) is configured to deactivate the pump assembly (10) and to activate the hydro electrical generator assembly (20).
F03B 13/00 - Adaptations of machines or engines for special useCombinations of machines or engines with driving or driven apparatusPower stations or aggregates
F04D 29/48 - Fluid-guiding means, e.g. diffusers adjustable for unidirectional fluid flow in reversible pumps
E03B 7/07 - Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
The present invention relates to a local energy distributing system. The local energy distributing system comprises a local feed conduit (22); a local return conduit (23); a central heat exchanger (21 ) connected to a district heating grid (10) having a district feed conduit (1 1 ) for an incoming flow of district heat transfer fluid having a first temperature in the range of 50-120°C, and a district return conduit (12) for a return flow of district heat transfer fluid having a second temperature, the second temperature being lower than the first temperature, the second temperature being in the range of 40-60°C, wherein the central heat exchanger (21 ) is configured to exchange heat from the incoming flow of district heat transfer fluid to an outgoing flow of local heat transfer fluid in the local feed conduit (22), the outgoing flow of local heat transfer fluid having a temperature of 5-30°C; and a plurality of local heating systems (200), each having an inlet (25) connected to the local feed conduit (22) and an outlet (26) connected to the local return conduit (23), wherein each local heating system (200) is configured to provide hot water and/or comfort heating to a building (40).
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
35 - Advertising and business services
37 - Construction and mining; installation and repair services
39 - Transport, packaging, storage and travel services
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Computer software; application software (apps); apparatus
and instruments for measuring, signaling, checking
(monitoring) and checking of electricity; computer programs
for information, analysis and reporting of energy use,
energy efficiency, energy conservation, cost analysis,
administration, energy analysis, invoice management,
environmental reporting, environmental impact analysis,
trend reporting and alarm systems; power line transmission
devices; power lines; power converters; power units
[transformers]; power supplies [transformers]; power
transformers for amplification; energy control devices;
electrical control devices; apparatus and instruments for
the accumulation and storage of electricity. Apparatus for lighting, heating, steam generating, cooking,
refrigeration, drying, ventilating, water supply and
sanitary purposes; facilities for gas, heat, cooling and
water in connection with the supply of the population. Management and planning for third parties in connection with
the operation of facilities for the supply of electricity,
gas, heat, cooling and water of the population;
intermediation of contracts for the supply of electrical and
thermal energy and of gaseous fuels; organizational and
business consulting in the energy field; procurement
services for third parties (acquisition of goods and
services for other companies) in the energy field; issuance
of statements regarding organizational and business issues
relating to electrical and thermal energy, gas, water and
wastewater; business and organizational monitoring of
business processes, in particular reading of electric and
thermal energy, gas and water counters, and drawing up of
calculations for this; development of business and/or
marketing concepts to others in the field of energy
technology. Construction of facilities for supplying the population with
electrical energy, gas, heat, cooling and water; maintenance
services in facilities for supplying the population with
electrical energy, gas, heat, cooling and water; contracting
services for repair and maintenance related to heating and
heat; installation and maintenance of energy networks as
well as operational optimization and advice. Electricity, gas, heat, cooling and water supply
(distribution); physical storage of electronically stored
data or documents; power distribution; distribution of
energy; water distribution; water supply; supply (transport)
of electrical and thermal energy and gaseous fuels and water
for the supply of consumers; storage, transport, wiring,
distribution of electrical and thermal energy, gaseous fuels
and water; transport and storage of waste, provision of
transport via pipelines. Electricity generation; production of energy; air
refreshing; air purification; air deodorization; recycling
of waste and garbage; sorting of waste and recyclable
materials; waste and garbage disposal; rental of generators;
rental of air conditioners; rental of air heaters; waste and
garbage disposal; water treatment; generation of electrical
and thermal energy in power plants, district heating plants,
wind power plants, solar plants; generation of electrical
and thermal energy from renewable energy sources, especially
wind energy, water, solar, geothermal and biomass;
production of biogas; wastewater treatment through
mechanical or chemical purification, sewage treatment;
chemical transformation, processing, destruction and
incineration of garbage and waste; recycling of waste and
garbage. Technical planning for the operation of facilities for
supplying the population with electrical energy, gas, heat,
cooling and water; scientific and technological services and
related research and design; control of energy consumption;
measuring services; advice, analysis and information on
energy use, energy efficiency, energy conservation, energy
analysis, environmental reporting and environmental impact
analysis, cost analysis and administration related to energy
consumption and environmental impact.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
35 - Advertising and business services
37 - Construction and mining; installation and repair services
39 - Transport, packaging, storage and travel services
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Computer software; application software (apps); apparatus
and instruments for measuring, signaling, checking
(monitoring) and checking of electricity; computer programs
for information, analysis and reporting of energy use,
energy efficiency, energy conservation, cost analysis,
administration, energy analysis, invoice management,
environmental reporting, environmental impact analysis,
trend reporting and alarm systems; power line transmission
devices; power lines; power converter; power units
[transformers]; power supplies [transformers]; power
transformers for amplification; energy control devices;
electrical control devices; apparatus and instruments for
the accumulation and storage of electricity. Apparatus for lighting, heating, steam generating, cooking,
refrigeration, drying, ventilating, water supply and
sanitary purposes; facilities for gas, heat, cooling and
water in connection with the supply of the population. Management and planning for third parties in connection with
the operation of facilities for the supply of electricity,
gas, heat, cooling and water of the population;
intermediation of contracts for the supply of electrical and
thermal energy and of gaseous fuels; organizational and
business consulting in the energy field; procurement
services for third parties (acquisition of goods and
services for other companies) in the energy field; issuance
of statements regarding organizational and business issues
relating to electrical and thermal energy, gas, water and
wastewater; business and organizational monitoring of
business processes, in particular reading of electric and
thermal energy, gas and water counters, and drawing up of
calculations for this; development of business and/or
marketing concepts to others in the field of energy
technology. Construction of facilities for supplying the population with
electrical energy, gas, heat, cooling and water; maintenance
services in facilities for supplying the population with
electrical energy, gas, heat, cooling and water; contracting
services for repair and maintenance related to heating and
heat; installation and maintenance of energy networks as
well as operational optimization and advice. Electricity, gas, heat, cooling and water supply
(distribution); physical storage of electronically stored
data or documents; power distribution; distribution of
energy; water distribution; water supply; supply (transport)
of electrical and thermal energy and gaseous fuels and water
for the supply of consumers; storage, transport, wiring,
distribution of electrical and thermal energy, gaseous fuels
and water; transport and storage of waste, provision of
transport via pipelines. Electricity generation; production of energy; air
refreshing; air purification; air deodorization; recycling
of waste and garbage; sorting of waste and recyclable
materials; waste and garbage disposal; rental of generators;
rental of air conditioners; rental of air heaters; waste and
garbage disposal; water treatment; generation of electrical
and thermal energy in power plants, district heating plants,
wind power plants, solar plants; generation of electrical
and thermal energy from renewable energy sources, especially
wind energy, water, solar, geothermal and biomass;
production of biogas; wastewater treatment through
mechanical or chemical purification, sewage treatment;
chemical transformation, processing, destruction and
incineration of garbage and waste; recycling of waste and
garbage. Technical planning for the operation of facilities for
supplying the population with electrical energy, gas, heat,
cooling and water; scientific and technological services and
related research and design; control of energy consumption;
measuring services; advice, analysis and information on
energy use, energy efficiency, energy conservation, energy
analysis, environmental reporting and environmental impact
analysis, cost analysis and administration related to energy
consumption and environmental impact.
The present invention relates to a heat transfer system. The heat transfer system comprises a heating circuit (30) having: a feed conduit (34) for an incoming flow of heat transfer fluid having a first temperature, and a return conduit (36) for a return flow of heat transfer fluid having a second temperature, the second temperature being lower than the first temperature; a cooling circuit (40) having: a feed conduit (44) for an incoming flow of heat transfer fluid having a third temperature, and a return conduit (46) for a return flow of heat transfer fluid having a fourth temperature, the fourth temperature being higher than the third temperature; and a heat pump (50) having: a first heat exchanger (51) having a first circuit (52a) for circulating heat transfer fluid and a second circuit (52b) for circulating heat transfer fluid, wherein the first circuit (52a) has an inlet (53a) and an outlet (53b) connected to the cooling circuit (40), a second heat exchanger (54) having a third circuit (52c) for circulating heat transfer fluid and a fourth circuit (52d) for circulating heat transfer fluid, wherein the fourth circuit (52d) has an inlet (55a) and an outlet (55b) connected to the heating circuit (30), wherein the second circuit (52b) and the third circuit (52c) is a common circuit (56) of the first and second heat exchangers (51, 54); wherein the fourth temperature is lower than the second temperature.
The disclosure relates to a method for controlling heat transfer between a local cooling system and a local heating system, the method comprising: determining a local energyconsumption need (LCC1, LCC2) of the local cooling system; determining a local energy consumption need (LHC1, LHC2) of the local heating system; controlling, based on the local energy consumption need (LCC1, LCC2) of the local cooling system and the local energy consumption need (LHC1, LHC2) of the local heating system, a heat pump (50, 50') connected between the local cooling system and the local heating system and configured to transfer heat from the local cooling system to the local heatingsystem.
The invention refers to a combined cooling and heating system (100) comprising: a district cooling grid (1) having a feed conduit (5) for an incoming flow of cooling fluid having a first temperature, and a return conduit (8) for a return flow of cooling fluid having a second temperature, the second temperature being higher than the first temperature; a local cooling system (300) being configured to absorb heat from a first building (2) and comprising a heat exchanger (9) having a heat exchanger inlet (14a) and a heat exchanger outlet (14b); and a local heating system (200) being configured to heat the first or a second building (2) and comprising a heat pump (10) having a heat pump inlet (15a) and a heat pump outlet (15b). The heat exchanger inlet (14a) is connected to the feed conduit (5) of the district cooling grid (1); and the heat pump inlet (15a) is connected to the return conduit (8) of the district cooling grid (1) and to the heat exchanger outlet (14b).
The invention refers to a heating system (100) comprising a district cooling grid (1) and a local heating system (200) configured to heat a building and/or to heat tap water for the building. The heating system has a feed conduit (5) for an incoming flow of cooling fluid having a first temperature, and a return conduit (8) for a return flow of cooling fluid having a second temperature, the second temperature being higher than the first temperature. The local heating system (200) comprises a heat pump (10) having an inlet (10a) connected to the return conduit (8) of the district cooling grid (1) and an outlet (10b) connected to the feed conduit (5) of the district cooling grid (1).
40 - Treatment of materials; recycling, air and water treatment,
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
35 - Advertising and business services
37 - Construction and mining; installation and repair services
39 - Transport, packaging, storage and travel services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Electricity generation; production of energy; air purification; air deodorization; recycling of waste and garbage; sorting of waste and recyclable materials; waste and garbage disposal; rental of electricity generators; rental of air conditioners; rental of air heaters; waste and garbage disposal; water treatment; generation of electrical and thermal energy in power plants, district heating plants, wind power plants, solar plants; generation of electrical and thermal energy from renewable energy sources, especially wind energy, water, solar, geothermal and biomass; production of biogas; wastewater treatment through mechanical or chemical purification, sewage treatment; chemical transformation, processing, destruction and incineration of garbage and waste; recycling of waste and garbage Computer programs for analysis and reporting of energy use, energy efficiency, energy conservation, energy cost analysis, energy administration, energy analysis, energy invoice management, energy-related environmental reporting and environmental impact analysis, and energy use trend reporting; power line transmission machines and apparatus; power lines; electric power converter; power units transformers; power supplies transformers; power transformers for amplification; energy control devices, namely, thermostats Apparatus for lighting, heating, steam generation, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes, and facilities for gas, heat, cooling and water in connection with the supply of the population, namely heat pumps, heat sinks for use in heating, cooling and ventilating apparatus, heating installations, air-conditioning apparatus and installations, thermostatic valves as parts of heating installations, cooling installations for water, heat exchangers, other than parts of machines Business management and planning for third parties in connection with the operation of facilities for the supply of electricity, gas, heat, cooling and water of the population; mediation of contracts for the supply of electrical and thermal energy and of gaseous fuels; business organizational and business consulting in the energy field; procurement services for others, namely, acquisition of goods and services for other companies in the energy field; preparation of financial statements regarding organizational and business issues relating to electrical and thermal energy, gas, water and wastewater; business and organization monitoring for business processes of electric and thermal energy, gas and water counters; development of business and marketing concepts for others in the field of energy technology Construction of installations for supplying the population with electrical energy, gas, heat, cooling and water; maintenance services in facilities for supplying the population with electrical energy, gas, heat, cooling and water; contracting services for repair and maintenance of heating installations; installation and maintenance of energy networks including providing operational optimization and advice Electricity distribution, gas supplying, heat supplying, and water supply; physical storage of electronically stored data or documents; electrical power distribution; distribution of energy; water distribution; supply of electrical and thermal energy and gaseous fuels and water for the supply of consumers; storage, transport, distribution of electrical and thermal energy, gaseous fuels and water; transport and storage of waste; provision of transport via pipelines Engineering, namely, technical planning for the operation of facilities for supplying the population with electrical energy, gas, heat, cooling and water; scientific and technological services, namely, research and design in the field of conservation and supply of energy and water; consulting services in the fields of energy measurement to improve energy efficiency; energy auditing; technological consulting services in the field of energy conservation and environmental science
78.
A THERMAL SERVER PLANT AND A METHOD FOR CONTROLLING THE SAME
The present invention relates to athermal server plant(40) arranged to be connected to a thermal energy circuit(10) comprising a hot conduit(12) configured to allow heat transfer liquid of a first temperature to flow therethrough, and a cold conduit(14) configured to allow heat transfer liquid of a second temperature to flow therethrough. The thermal server plant comprises a balancing device(41) arranged to be connected to the hot conduit and to the cold conduit for selectively allowing heat transfer liquid to flow from the hot conduit, via a regulator(42) and a heat exchanger (44), into the cold conduit or allowing heat transfer liquid to flow from the cold conduit, via the regulator and the heat exchanger, into the hot conduit. The flow direction is determined by a pressure difference between the hot and cold conduits. The heat exchanger is configured to alter the temperature of the heat transfer liquid flowing through the balancing device by selectively cool heat transfer liquid from the hot conduit or heat heat transfer liquid from the cold conduit.
The present invention relates to alocal thermal energy consumer assembly(20) and alocal thermal energy generator assembly(30) to be connected to a thermal energy circuit(10) comprising a hot and a cold conduit(12, 14).The local thermal energy consumer assembly(20) is selectively connected, via a pump(24) or a valve(23) to the hot conduit(12). Thelocal thermal energy generator assembly(30) is selectively connected, via a pump(34) or a valve(33) to the cold conduit(14).The use of either the valve(23; 33) or the pump(24; 34)is controlled by determining a local pressure differencebetween heat transfer liquid of the hot and the cold conduits(12, 14).
The present invention relates to a district thermal energy distribution system(1) comprising a thermal energy circuit10 comprising a hot and a cold conduit (12, 14) for allowing flow of heat transfer liquid therethrough, a thermal energy consumer heat exchanger(22) and a thermal energy generator heat exchanger(32). The thermal energy consumer heat exchanger(22) is selectively connected to the hot conduit(12) via a thermal energy consumer valve(23)or a thermal energy consumer pump(24). The thermal energy generator heat exchanger(32) is selectively connected to the cold conduit(14) via a thermal energy generator valve(23) or a thermal energy generator pump (24).
39 - Transport, packaging, storage and travel services
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Lighting apparatus, Cooking, Drying, ventilation and sanitary purposes. Arranging contracts for the supply of electrical and thermal energy and of gaseous fuels; Procurement services for others (purchasing goods and services for other businesses) in the energy sector; Providing of expertise relating to organisational and professional business matters relating to waste water; Monitoring of operational processes from an organisational and professional business standpoint, in particular reading of meters for electric and thermal energy, gas and water, and billing therefor; Creation of professional business and/or marketing concepts in the field of energy technology for others. Physical storage of electronically-stored data or documents; Utility; Storage, transport, management, distribution of disposal and storage of waste. Air freshening; Air purification; Air freshening; Recycling of waste and trash; Sorting of waste and recyclable material [transformation]; Rental of air-conditioning apparatus; Rental of space heating apparatus; Water treatment; Treating waste water by mechanical or chemical cleaning, wastewater disposal.
09 - Scientific and electric apparatus and instruments
36 - Financial, insurance and real estate services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Apparatus and instruments for measuring, signaling, checking (supervision) and checking of electricity; computer programs for information, analyzing and reporting of energy use, energy efficiency, energy saving, cost analysis, administration, energy analysis, invoice management, ecological reports, analysis of environmental influence, trend reporting and alarm systems. Bill payment services provided through a website; invoice processing services within energy consumption. Scientific and technological services and research and design relating thereto; checking of energy consumption; measuring services; advisory, analysis and information about energy use, energy efficiency, energy saving, cost analysis, administration, energy analysis, ecological reports and analysis of environmental influence; analysis and prognosis of energy efficiency.
83.
REVERSIBLE HEAT PUMP ASSEMBLY AND DISTRICT THERMAL ENERGY DISTRIBUTION SYSTEM COMPRISING SUCH A REVERSIBLE HEAT PUMP ASSEMBLY
A reversible heat pump assembly (100) is disclosed. The heat pump assembly (100) comprises a heat pump (110) having a first side (120) and a second side (130), the heat pump (110) being configured to transfer heat from the first side (120) to the second side (130) or vice versa; a first side inlet valve assembly (126) having a heat pump connection (126a) connected to the first side (120), and hot and cold conduit connections (126b; 126c) arranged to be connected to a thermal energy grid (10) comprising hot and cold conduits (12; 14); a second side outlet valve assembly (136) having a heat pump connection (136a) connected to the second side (130), and heating and cooling circuit connections (136b; 136c) arranged to be connected to heating and cooling circuits (130; 140), respectively. The reversible heat pump assembly (100) is configured to be selectively set in either a heating mode or a cooling mode. In the heating mode the heat pump (110) is configured to transfer heat from the first side (120) to the second side (130), the first side inlet valve assembly (126) is configured to fluidly connect the hot conduit connection (126b) and the heat pump connection (126a), and the second side outlet valve assembly (136) is configured to fluidly connect the heat pump connection (136a) and the heating circuit connection (136b). In the cooling mode the heat pump (110) is configured to transfer heat from the second side (130) to the first side (120), the first side inlet valve assembly (126) is configured to fluidly connect the cold conduit connection (126c) and the heat pump connection (126a), and the second side outlet valve assembly (136) is configured to fluidly connect the heat pump connection (136a) and the cooling circuit connection (136c). Also a district thermal energy distribution system comprising a plurality of reversible heat pump assemblies (100) is disclosed.
The present invention relates to a flow controller configured to selectively act as a pump or as a flow regulator. The flow controller includes an inlet for a fluid; an outlet for the fluid; a pump assembly arranged between the inlet and the outlet and configured to pump the fluid through the flow controller; a hydro electrical generator assembly arranged between the inlet and the outlet, the hydro electrical generator assembly being configured to allow the fluid flow through the flow controller and to generate electricity by transforming flow energy of the fluid flowing through the flow controller into electricity; and a mode controller configured to selectively set the flow controller in a pumping mode to deactivate the hydro electrical generator assembly and to activate the pump assembly, or in an electricity generating mode to deactivate the pump assembly and to activate the hydro electrical generator assembly.
E03B 7/07 - Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
F03B 13/00 - Adaptations of machines or engines for special useCombinations of machines or engines with driving or driven apparatusPower stations or aggregates
F04D 29/48 - Fluid-guiding means, e.g. diffusers adjustable for unidirectional fluid flow in reversible pumps
85.
METHOD AND CONTROLLER FOR CONTROLLING A REVERSIBLE HEAT PUMP ASSEMBLY
A controller configured to selectively set a reversible heat pump assembly (100) in either a heating mode or in a cooling mode is presented. The controller comprising a control circuit (44) configured to: for a time period, determine, using a demand determining function (50), a heating demand for heat from one or more local heating circuits (140) connected to the reversible heat pump assembly (100) and a cooling demand for cold from one or more local cooling circuits (140) connected to the reversible heat pump assembly (100); generate, using a control function (52), a control signal indicative of if the reversible heat pump assembly (100) is to be set in either the heating mode or in the cooling mode, wherein the control function is configured to use the heating demand and the cooling demand as input data; and send, using a transmission function (54), the control signal to a heat pump (110) of the reversible heat pump assembly (100). Also a method for controlling the reversible heat pump assembly (100) is presented.
F24F 11/65 - Electronic processing for selecting an operating mode
F24F 11/67 - Switching between heating and cooling modes
F24F 11/83 - Control systems characterised by their outputsConstructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
