CN114655048A - Heat management system of charging and battery replacing station based on ground source heat pump - Google Patents
Heat management system of charging and battery replacing station based on ground source heat pump Download PDFInfo
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- CN114655048A CN114655048A CN202210337672.6A CN202210337672A CN114655048A CN 114655048 A CN114655048 A CN 114655048A CN 202210337672 A CN202210337672 A CN 202210337672A CN 114655048 A CN114655048 A CN 114655048A
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- 239000002918 waste heat Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 227
- 238000010438 heat treatment Methods 0.000 claims description 112
- 239000003507 refrigerant Substances 0.000 claims description 107
- 238000001816 cooling Methods 0.000 claims description 46
- 239000000110 cooling liquid Substances 0.000 claims description 33
- 238000007726 management method Methods 0.000 claims description 32
- 230000001105 regulatory effect Effects 0.000 claims description 31
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 28
- 239000004576 sand Substances 0.000 claims description 24
- 230000005611 electricity Effects 0.000 claims description 15
- 238000001704 evaporation Methods 0.000 claims description 14
- 238000005057 refrigeration Methods 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 230000001276 controlling effect Effects 0.000 claims description 11
- 230000008020 evaporation Effects 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 7
- 230000005494 condensation Effects 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000009491 slugging Methods 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 230000000295 complement effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/302—Cooling of charging equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/80—Exchanging energy storage elements, e.g. removable batteries
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
- F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Combustion & Propulsion (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a charging and battery-replacing power station heat management system based on a ground source heat pump. The five subsystems of the charging station and the charging station act together under different working conditions to form a complementary whole, and the waste heat of each subsystem is fully utilized, so that the energy consumption of the whole charging station and the charging station is reduced.
Description
Technical Field
The invention relates to the field of thermal management, in particular to a thermal management system for a charging and battery replacing power station based on a ground source heat pump.
Background
At present, most of the battery replacing function modules of the battery replacing and charging station are mutually independent in a heat management system of an operation room, the batteries of the battery replacing and charging modules are naturally cooled and heated, the charging time in winter and summer is long, the thermal safety is low, the charging piles are generally cooled by an independent air cooling system, the problem of high heating value under high-power charging is not enough to be solved, and the cold and warm comfortableness of the operation room is generally solved by installing a household air conditioner. The systems are mutually independent, the refrigerating and heating capacity of the whole system is insufficient, the waste heat of the systems in summer and winter can not be mutually utilized, and the running energy consumption of the whole system is higher.
The existing heating and refrigerating system mostly adopts an air source heat pump air conditioner, the refrigerating and heating capacity is insufficient under the conditions of extreme high temperature and low temperature, and the comprehensive application of the system has environmental limitation.
Disclosure of Invention
The invention mainly aims to provide a charging and exchanging power station heat management system which takes underground water as a main cold/heat source and is used for heating and refrigerating the whole integrated system, thereby overcoming the problem of insufficient refrigerating and heating capacity under the working condition of extremely low temperature and extremely high temperature.
The technical scheme adopted by the invention is as follows:
the utility model provides a fill and trade power station thermal management system based on ground source heat pump includes:
the ground source water circulation subsystem is used for providing ground source circulating water for the whole heat management system of the charging and replacing power station to carry out heat exchange;
the charging module cooling subsystem exchanges heat with the ground source water circulation subsystem to heat or cool the plurality of charging piles in the charging functional area;
the heat pump refrigerant subsystem realizes the switching of two modes of a heat pump and refrigeration through the combined control of the valve bank, exchanges heat with the ground source water circulation subsystem, and exchanges heat with the heating subsystem of the control room and the power exchanging module heating and refrigerating subsystem at the same time;
the control room heating subsystem is used for adjusting the temperature of the control room, and when the water heating through the heat pump refrigerant subsystem is insufficient, the electric heater is used for performing supplementary heating;
the battery replacement module heats the refrigeration subsystem and is used for heating or cooling the plurality of battery packs in the battery replacement functional area.
The technical scheme is as follows:
the ground source water circulation subsystem comprises a water taking well, a water return well, a sand remover, a first water pump, a water condensation/evaporator and a water-water heat exchanger which are connected through a heat insulation pipeline, driven by the first water pump and exchange heat through the water-water heat exchanger and the water condensation/evaporator;
the charging module cooling subsystem comprises a second water pump, a first flow regulating valve group and heat insulation water pipes, wherein the heat insulation water pipes are arranged on a plurality of charging piles in a charging function area; the water-water heat exchanger is communicated with the ground source water circulation subsystem through a second water pump, and exchanges heat with the ground source water circulation subsystem;
the heat pump refrigerant subsystem comprises a compressor, a water condenser, an evaporator, 3 electronic expansion valves with cut-off function and two stop valves, is driven by the compressor, realizes the switching of two modes of a heat pump and refrigeration of the system through the combined control of a valve group, exchanges heat with a ground source water circulation subsystem through the water condenser/evaporator, and exchanges heat with a heating subsystem between the water condenser and a control room and a heating and refrigerating subsystem through an electricity exchange module;
the control room heating subsystem comprises a third water pump, a proportional three-way valve, a heating core and an electric heater, the third water pump drives hot water to realize heating of the control room, when the heating is insufficient through water heating, the electric heater carries out supplementary heating, and the proportional three-way valve realizes water flow distribution with the electricity changing module heating and refrigerating subsystem;
the battery replacement module heating and refrigerating subsystem comprises a fourth water pump, a three-way valve, a second flow regulating valve group, a water-refrigerant heat exchanger and heat exchange water pipes arranged on a plurality of battery packs in a battery replacement functional area, wherein the second flow regulating valve group is arranged on the heat exchange water pipes and is used for controlling water flow at different battery packs; the fourth water pump drives hot/cold water to heat and cool the battery pack through the water-refrigerant heat exchanger, and the three-way valve controls the electricity switching module to heat the self-circulation cooling of the refrigeration subsystem and the coupling heating of the control room heating subsystem.
According to the technical scheme, when the control room, the battery pack in the electricity conversion function area and the charging pile in the charging function area need to be cooled in a high-temperature environment, the first water pump takes low-temperature underground water from the water taking well, sand is removed through the sand remover, cooling water of the charging pile is cooled in the water-water heat exchanger, and a refrigerant of the heat pump refrigerant subsystem is condensed and exchanges heat in the water condenser/evaporator and returns to the water returning well;
controlling a valve group in a heat pump refrigerant subsystem to enable refrigerants to be condensed through a water condensing/evaporating device under the compression of a compressor, wherein one path of refrigerants releases heat in the evaporating device to cool a control room, and the other path of refrigerants absorbs heat through a water-refrigerant heat exchanger to cool cooling liquid in a heat exchange water pipe of a heat exchange functional area;
one path of a three-way valve of the electricity exchanging module heating and refrigerating subsystem is communicated, a fourth water pump conducts heat exchange heat release between cooling liquid and a refrigerant through a water-refrigerant heat exchanger, and different battery packs are cooled under the control of a second flow regulating valve group;
and cooling liquid in the charging module cooling subsystem cools different charging piles through the first flow regulating valve group, and releases heat through the water-water heat exchanger.
According to the technical scheme, when the control room needs heating in a low-temperature environment, the battery pack needs heating when being charged and the charging pile needs no cooling requirement, the ground source water circulation subsystem water pump takes high-temperature underground water from the water taking well, sand is removed through the sand remover, the refrigerant of the heat pump refrigerant subsystem is subjected to evaporation heat exchange in the water condenser/evaporator and returns to the water returning well;
controlling a valve group in a heat pump refrigerant subsystem to ensure that a refrigerant is condensed by a water condenser under the compression of a compressor, evaporated by a water condenser/evaporator to absorb heat and finally returned to the compressor;
one path of a three-way valve of the electricity exchanging module heating and refrigerating subsystem is communicated, a fourth water pump conducts heat exchange heat release between cooling liquid and a refrigerant through a water-refrigerant heat exchanger, and different battery packs are heated under the control of a second flow regulating valve group;
and a third water pump of the heating subsystem of the control room drives the cooling liquid to exchange heat with the water condenser to absorb heat, and the flow rates of the cooling liquid and the water condenser entering the heating core of the control room and the battery pack are controlled by the proportional three-way valve, so that the battery pack and the control room are heated simultaneously.
According to the technical scheme, when the control room needs heating in a low-temperature environment, the battery pack needs heating when being charged and the charging pile needs cooling, the first water pump of the ground source water circulation subsystem takes high-temperature underground water from the water taking well, the high-temperature underground water is desanded by the desander and evaporated and absorbs heat in the water-water heat exchanger, and the water condenser/evaporator carries out secondary evaporation and heat absorption on the refrigerant of the heat pump refrigerant subsystem and returns to the backwater well;
controlling a valve bank in a heat pump refrigerant subsystem to ensure that a refrigerant is condensed by a water condenser under the compression of a compressor, evaporated by a water condenser/evaporator to absorb heat and finally returned to the compressor;
one path of a three-way valve of the electricity exchanging module heating and refrigerating subsystem is communicated, a fourth water pump conducts heat exchange heat release between cooling liquid and a refrigerant through a water-refrigerant heat exchanger, and different battery packs are heated through the control of a flow regulating valve;
a third water pump of the control room heating subsystem drives cooling liquid to exchange heat with a water condenser to absorb heat, and the flow rates of the cooling liquid and the water condenser entering the control room heating core and the battery pack are controlled through a proportional three-way valve, so that the battery and the control room are heated simultaneously;
and cooling liquid in the cooling subsystem of the charging module cools different charging piles through the first flow regulating valve group, heat is released through the water-water heat exchanger, and waste heat of the charging functional area is recycled.
According to the technical scheme, when the control room needs heating in a low-temperature environment, the battery pack needs cooling when being charged, and the charging pile needs cooling, the ground source water circulation subsystem water pump takes high-temperature underground water from the water taking well, sand is removed through the sand remover, the underground water is evaporated and absorbs heat in the water-water heat exchanger, and the water condenser/evaporator carries out secondary evaporation and heat absorption on the refrigerant of the heat pump refrigerant subsystem and returns to the water return well;
controlling a valve bank in a heat pump refrigerant subsystem to ensure that a refrigerant is condensed by a water condenser under the compression of a compressor, evaporated and absorbed heat in the water condenser/evaporator, secondarily evaporated and absorbed heat in a water-refrigerant heat exchanger and finally returned to the compressor;
one path of a three-way valve of the electricity exchanging module heating and refrigerating subsystem is communicated, a fourth water pump conducts heat exchange heat release between cooling liquid and a refrigerant through a water-refrigerant heat exchanger, different battery packs are cooled through control of a second flow regulating valve, and waste heat of the battery packs is recycled through a heat pump;
and cooling liquid in the cooling subsystem of the charging module cools different charging piles through the first flow regulating valve group, heat is released through the water-water heat exchanger, and waste heat of the charging functional area is recycled through the heat pump.
According to the technical scheme, the heat pump refrigerant subsystem further comprises a gas-liquid separator for separating liquid refrigerant at the air inlet of the compressor and preventing liquid impact of the compressor.
According to the technical scheme, one three-way valve of the electricity switching module heating and refrigerating subsystem is connected between the proportional three-way valve and the fourth water pump, and the other three-way valve is connected between the battery pack and the heating core of the air conditioner in the control room.
The invention also provides a charging and replacing power station heat management method based on the ground source heat pump, which is characterized in that the charging and replacing power station heat management system based on the ground source heat pump carries out integrated heat management on the whole charging and replacing power station, heats or cools a battery pack replaced in a charging function area when the battery pack is charged, cools a charging pile in the charging function area when the battery pack is rapidly charged at high power, and simultaneously adjusts the air conditioner heating or cooling of an operator in a control room.
The invention has the following beneficial effects: the invention provides an energy compensation integrated solution for simultaneously meeting the requirements of charging and battery replacement for solving the energy compensation problem of an electric automobile, and a heat management system of the solution needs to simultaneously meet the heating and cooling functions of a battery replacement station when a replaced battery is charged, the cooling requirement of a direct-current quick charging pile during high-power charging, and the heating and cooling requirements of an air conditioner of an operator in an operation room. Meanwhile, in order to reduce the energy consumption of the whole charging and replacing power station and reduce the power consumption of heating in winter, a ground source heat pump system is needed, and a plurality of subsystems are coupled, so that the waste heat of each system is fully utilized.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic structural diagram of a charging and switching power station thermal management system based on a ground source heat pump according to an embodiment of the present invention;
fig. 2 is a schematic working diagram of a charging and battery replacement station thermal management system based on a ground source heat pump in a high-temperature environment according to an embodiment of the present invention;
fig. 3 is a schematic working diagram of a charging and battery replacement station thermal management system based on a ground source heat pump in a low-temperature environment according to an embodiment of the present invention;
fig. 4 is a schematic working diagram of another situation of the charging and switching power station thermal management system based on the ground source heat pump in the low-temperature environment according to the embodiment of the present invention;
fig. 5 is an operation schematic diagram of a third situation of the charging and switching power station thermal management system based on the ground source heat pump in the low-temperature environment according to the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The heat management system adopted by the invention can be divided into five subsystems, namely a ground source water circulation subsystem, a charging module cooling subsystem, a heat pump refrigerant subsystem, a control room heating subsystem and a power conversion module heating and refrigerating subsystem, and a system loop is shown in figure 1. This fill and trade power station thermal management system based on ground source heat pump includes:
the ground source water circulation subsystem is used for providing ground source circulating water for the whole heat management system of the charging and replacing power station to carry out heat exchange;
the charging module cooling subsystem exchanges heat with the ground source water circulation subsystem to heat or cool the plurality of charging piles in the charging functional area;
the heat pump refrigerant subsystem realizes the switching of two modes of a heat pump and refrigeration through the combined control of the valve bank, exchanges heat with the ground source water circulation subsystem, and exchanges heat with the heating subsystem of the control room and the power exchanging module heating and refrigerating subsystem at the same time;
the control room heating subsystem is used for adjusting the temperature of the control room, and when the water heating through the heat pump refrigerant subsystem is insufficient, the electric heater is used for performing supplementary heating;
the battery replacement module heats the refrigeration subsystem and is used for heating or cooling the plurality of battery packs in the battery replacement functional area.
Specifically, the method comprises the following steps:
the ground source water circulation subsystem comprises a water taking well, a water return well, a sand remover, a water pump, a water condensation/evaporator and a water-water heat exchanger, wherein the parts are connected through a heat insulation pipeline, driven by the electronic water pump and exchange heat through the water-water heat exchanger and the water condensation/evaporator.
The charging module cooling subsystem comprises a water pump, a plurality of flow regulating valves and a water-water heat exchanger, is driven by the electronic water pump, and exchanges heat with the ground source water circulation subsystem through the water-water heat exchanger.
The heat pump refrigerant subsystem comprises a compressor, a water condenser, a water condensing/evaporating device, an evaporator, 3 electronic expansion valves with cut-off functions and two stop valves, the compressor is used for driving the compressor, the two modes of the heat pump and the refrigeration of the system are switched through the combined control of a valve group, the heat exchange is carried out between the water condensing/evaporating device and a ground source water circulation subsystem, the heat exchange with a heating system and a battery refrigeration heating system is realized through the water condenser, the cooling of a battery system is realized through a water-refrigerant heat exchanger, and the refrigeration of a control room is realized through the evaporator.
The heating subsystem of the control room comprises a water pump, a proportional three-way valve, a heating core, an electric heater and the like, the water pump drives hot water to realize heating of the control room, when the water heating system is insufficient in heating, the electric heater carries out supplementary heating, and the proportional three-way valve realizes water flow distribution with the battery heating system.
The electric exchange module heating and refrigerating subsystem comprises a water pump, a three-way valve, a plurality of flow regulating valves and the like, the water pump drives hot/cold water to heat and cool the battery, and the three-way valve controls the subsystem to perform self-circulation cooling and a coupling heating function with the control room water heating system.
Further, the heat pump refrigerant subsystem also comprises a gas-liquid separator for separating liquid refrigerant at the air inlet of the compressor and preventing liquid impact of the compressor.
Example 1:
the control room needs refrigeration in a high-temperature environment, the battery of the battery replacement module needs cooling during charging, and the charging pile of the charging module needs cooling.
As shown in fig. 2, the ground source water circulation subsystem water pump B4 takes low temperature ground water from the water intake well, removes sand through a sand remover, cools the charging pile cooling water in the water-water heat exchanger, and condenses and exchanges heat on the refrigerant of the heat pump refrigerant subsystem (refrigerant in the water-refrigerant heat exchanger) in the water condenser/evaporator and returns to the water return well.
An electronic expansion valve P1 and a stop valve J2 of a heat pump refrigerant loop are opened, an electronic expansion valve P2 and an electronic expansion valve P3 are used for throttling, a stop valve J1 is closed, the refrigerant is condensed by a water condenser/evaporator under the compression of a compressor, one path of refrigerant is throttled by an electronic expansion valve P3, heat is released in the evaporator to cool an operation room, the other path of refrigerant is throttled by the electronic expansion valve P2, heat is absorbed by a water-refrigerant heat exchanger, and cooling liquid in a power conversion function area is cooled.
2-3 of a three-way valve S1 of the electricity exchanging module heating and refrigerating subsystem is connected, a water pump exchanges heat with refrigerant through a water-refrigerant heat exchanger to release heat, and different battery packs are cooled through the control of a flow regulating valve.
And cooling liquid in the charging module cooling subsystem cools different charging piles through the flow regulating valve and releases heat through the water-water heat exchanger.
Example 2:
the heating is needed in the control room in the low-temperature environment, the battery of the battery replacement module needs to be heated when being charged, and the cooling requirement does not need to be met when the charging module is charged.
As shown in figure 3, the ground source water circulation subsystem water pump B4 takes high-temperature underground water from the water taking well, removes sand through the sand remover, carries out evaporation heat exchange on the refrigerant of the heat pump refrigerant subsystem in the water condenser/evaporator and returns to the water return well.
The electronic expansion valve P1 of the heat pump refrigerant loop is opened, the stop valve J2 is closed, the electronic expansion valve P2 and the electronic expansion valve P3 are closed, the electronic expansion valve P1 throttles, refrigerant passes through the water condenser to be condensed and release heat under the compression of the compressor, throttles through the electronic expansion valve P1, evaporates and absorbs heat in the water condenser/evaporator, and finally returns to the compressor.
1-2 of a three-way valve S2 of the battery replacement functional area is connected, a water pump conducts heat exchange between cooling liquid and refrigerant through a water-refrigerant heat exchanger to release heat, and different battery replacement batteries are heated under the control of a flow regulating valve.
The control room heating subsystem water pump B1 drives the cooling liquid to exchange heat with the water condenser to absorb heat, and the flow entering the control room heating core and the charging module is controlled by the proportional three-way valve to realize the heating of the battery and the control room at the same time.
Example 3:
the control room needs heating in a low-temperature environment, the battery of the battery replacement module needs heating when being charged, and the charging pile of the charging module needs cooling.
As shown in figure 4, the ground source water circulation subsystem water pump B4 takes high-temperature underground water from the water taking well, sand is removed through the sand remover, the water is evaporated and absorbed in the water-water heat exchanger, and the water condenser/evaporator carries out secondary evaporation and heat absorption on the refrigerant of the heat pump refrigerant subsystem and returns to the water returning well.
The electronic expansion valve P1 of the heat pump refrigerant loop is opened, the stop valve J2 is closed, the electronic expansion valve P2 and the electronic expansion valve P3 are closed, the electronic expansion valve P1 throttles, refrigerant is condensed by a water condenser under the compression of the compressor, throttled by the electronic expansion valve P1, evaporated in the water condenser/evaporator to absorb heat, and finally returned to the compressor.
1-2 of a three-way valve S2 of the battery replacement functional area is connected, a water pump B2 enables cooling liquid to generate heat exchange heat with refrigerant through a water-refrigerant heat exchanger, and different battery replacement batteries are heated under the control of a flow regulating valve.
The control room heating subsystem water pump B1 drives the cooling liquid to exchange heat with the water condenser to absorb heat, and the flow entering the control room heating core and the charging module is controlled by the proportional three-way valve to realize the heating of the battery and the control room at the same time.
The cooling liquid in the charging module cooling subsystem cools different charging piles through the flow regulating valve, heat is released through the water-water heat exchanger, and waste heat of the charging module is recovered through the heat pump system, so that energy consumption is saved.
Example 4:
the control room needs heating in a low-temperature environment, the battery charging of the battery replacing module needs cooling, and the charging pile of the charging module needs cooling.
As shown in figure 5, the ground source water circulation subsystem water pump B4 takes high-temperature underground water from the water taking well, sand is removed through the sand remover, the water is evaporated and absorbed in the water-water heat exchanger, and the water condenser/evaporator carries out secondary evaporation and heat absorption on the refrigerant of the heat pump refrigerant subsystem and returns to the water returning well.
The heat pump refrigerant circuit is throttled by electronic expansion valves P1 and P2, a stop valve J2 is opened, an electronic expansion valve P3 is closed, refrigerant is condensed by a water condenser under the compression of a compressor, throttled by an electronic expansion valve P1, evaporated and absorbed heat in a water condenser/evaporator, secondarily evaporated and absorbed heat in a water refrigerant heat exchanger, and finally returned to the compressor.
2-3 of a three-way valve S2 of the battery replacement functional area is connected, a water pump B2 enables cooling liquid to generate heat exchange and release heat with a refrigerant through a water-refrigerant heat exchanger, different battery replacement batteries are cooled through control of a flow regulating valve, and waste heat of the batteries in the battery replacement area is recycled through a heat pump.
The cooling liquid in the charging module cooling subsystem cools different charging piles through the flow regulating valve, heat is released through the water-water heat exchanger, and the waste heat of the charging module is absorbed to be the heat pump system, so that energy consumption is saved.
In conclusion, the invention realizes that the underground water is used as a main cold/heat source for heating and refrigerating the whole integrated system, and avoids the problem of insufficient refrigerating and heating capacity under the working condition of extremely low temperature and extremely high temperature. The charging pile uses a water cooling system, heat is dissipated through a water source system in a high-temperature environment, waste heat recovery is achieved through a water source heat pump system in a low-temperature environment, the heat dissipation effect is improved, and the heating energy consumption of the system is reduced; the power exchange battery and the control room are heated through the indirect heat pump system under the low-temperature working condition, so that the energy consumption is reduced; under the low temperature operating mode, when trading the high-power charging of electric district, can retrieve the waste heat of battery through heat pump system and carry out control room heating, under the thermal safety circumstances of guaranteeing the battery, reduce whole system energy consumption.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (9)
1. The utility model provides a fill and trade power station thermal management system based on ground source heat pump which characterized in that includes:
the ground source water circulation subsystem is used for providing ground source circulating water for the whole heat management system of the charging and replacing power station to carry out heat exchange;
the charging module cooling subsystem exchanges heat with the ground source water circulation subsystem to heat or cool the plurality of charging piles in the charging functional area;
the heat pump refrigerant subsystem realizes the switching of two modes of a heat pump and refrigeration through the combined control of the valve bank, exchanges heat with the ground source water circulation subsystem, and exchanges heat with the heating subsystem of the control room and the power exchanging module heating and refrigerating subsystem at the same time;
the control room heating subsystem is used for adjusting the temperature of the control room, and when the water heating through the heat pump refrigerant subsystem is insufficient, the electric heater is used for performing supplementary heating;
the battery replacement module heats the refrigeration subsystem and is used for heating or cooling the plurality of battery packs in the battery replacement functional area.
2. The ground source heat pump-based charging and replacing power station thermal management system of claim 1, wherein:
the ground source water circulation subsystem comprises a water taking well, a backwater well, a desander, a first water pump, a water condensation/evaporator and a water-water heat exchanger which are all connected through a heat insulation pipeline, driven by the first water pump and exchange heat through the water-water heat exchanger and the water condensation/evaporator;
the charging module cooling subsystem comprises a second water pump, a first flow regulating valve group and heat insulation water pipes arranged on a plurality of charging piles in the charging functional area, and the first flow regulating valve group is arranged on the heat insulation water pipes and used for controlling water flow at different charging piles; the water-water heat exchanger is communicated with the ground source water circulation subsystem through a second water pump and exchanges heat with the ground source water circulation subsystem;
the heat pump refrigerant subsystem comprises a compressor, a water condenser, an evaporator, 3 electronic expansion valves with a cut-off function and two stop valves, is driven by the compressor, realizes the switching of two modes of a heat pump and refrigeration by the combined control of a valve group, exchanges heat with a ground source water circulation subsystem through the water condenser/evaporator, and exchanges heat with a heating subsystem and a power exchange module heating and refrigerating subsystem through the water condenser;
the control room heating subsystem comprises a third water pump, a proportional three-way valve, a heating core and an electric heater, the third water pump drives hot water to realize heating of the control room, when the heating is insufficient through water heating, the electric heater carries out supplementary heating, and the proportional three-way valve realizes water flow distribution with the electricity changing module heating and refrigerating subsystem;
the battery replacement module heating and refrigerating subsystem comprises a fourth water pump, two three-way valves, a second flow regulating valve group, a water-refrigerant heat exchanger and heat exchange water pipes arranged on a plurality of battery packs in a battery replacement functional area, wherein the second flow regulating valve group is arranged on the heat exchange water pipes and is used for controlling water flow at different battery packs; and a fourth water pump drives hot/cold water to heat and cool the battery pack through the water-refrigerant heat exchanger, wherein one three-way valve controls the electricity switching module to heat the self-circulation cooling of the refrigeration subsystem and the coupling heating of the control room heating subsystem.
3. The ground source heat pump-based charging and replacing power station heat management system is characterized in that when a control room, a battery pack in a charging function area and a charging pile in a charging function area need to be cooled in a high-temperature environment, a first water pump takes low-temperature underground water from a water taking well, sand is removed through a sand remover, cooling water of the charging pile is cooled through a water-water heat exchanger, and a refrigerant of a heat pump refrigerant subsystem is condensed and heat exchanged through a water condenser/evaporator and returns to a water returning well;
controlling a valve group in a heat pump refrigerant subsystem to ensure that refrigerants are condensed by a water condensing/evaporator under the compression of a compressor, wherein one path of refrigerants releases heat in the evaporator to cool a control room, and the other path of refrigerants absorbs heat through a water-refrigerant heat exchanger to cool cooling liquid in a heat exchange water pipe of a power exchange functional area;
one path of a three-way valve of the electricity exchanging module heating and refrigerating subsystem is communicated, a fourth water pump conducts heat exchange heat release between cooling liquid and a refrigerant through a water-refrigerant heat exchanger, and different battery packs are cooled through control of a second flow regulating valve group;
and cooling liquid in the charging module cooling subsystem cools different charging piles through the first flow regulating valve group, and releases heat through the water-water heat exchanger.
4. The ground source heat pump-based charging and converting station thermal management system is characterized in that when a control room needs heating in a low-temperature environment, a battery pack needs heating when charging, and a charging pile needs no cooling requirement, a ground source water circulation subsystem water pump takes high-temperature underground water from a water taking well, removes sand through a sand remover, evaporates and exchanges heat on a refrigerant of a heat pump refrigerant subsystem in a water condenser/evaporator and returns to a water returning well;
controlling a valve bank in a heat pump refrigerant subsystem to ensure that a refrigerant is condensed by a water condenser under the compression of a compressor, evaporated by a water condenser/evaporator to absorb heat and finally returned to the compressor;
one path of a three-way valve of the electricity exchanging module heating and refrigerating subsystem is communicated, a fourth water pump conducts heat exchange heat release between cooling liquid and a refrigerant through a water-refrigerant heat exchanger, and different battery packs are heated under the control of a second flow regulating valve group;
and a third water pump of the heating subsystem of the control room drives the cooling liquid to exchange heat with the water condenser to absorb heat, and the flow rates of the cooling liquid and the water condenser entering the heating core of the control room and the battery pack are controlled by the proportional three-way valve, so that the battery pack and the control room are heated simultaneously.
5. The ground source heat pump-based charging and replacing power station heat management system is characterized in that when a control room needs heating in a low-temperature environment, a battery pack needs heating when being charged and a charging pile needs cooling, a ground source water circulation subsystem first water pump takes high-temperature underground water from a water taking well, sand is removed through a sand remover, evaporation and heat absorption are carried out on the water-water heat exchanger, and a water condenser/evaporator carries out secondary evaporation and heat absorption on refrigerant of a heat pump refrigerant subsystem and returns to a water return well;
controlling a valve bank in a heat pump refrigerant subsystem to ensure that a refrigerant is condensed by a water condenser under the compression of a compressor, evaporated by a water condenser/evaporator to absorb heat and finally returned to the compressor;
one path of a three-way valve of the power conversion module heating and refrigerating subsystem is communicated, a fourth water pump conducts heat exchange heat release between cooling liquid and a refrigerant through a water-refrigerant heat exchanger, and different battery packs are heated through the control of a flow regulating valve;
a third water pump of the control room heating subsystem drives cooling liquid to exchange heat with a water condenser to absorb heat, and the flow rates of the cooling liquid and the water condenser entering the control room heating core and the battery pack are controlled through a proportional three-way valve, so that the battery and the control room are heated simultaneously;
and cooling liquid in the cooling subsystem of the charging module cools different charging piles through the first flow regulating valve group, heat is released through the water-water heat exchanger, and waste heat of the charging functional area is recycled.
6. The ground source heat pump-based charging and replacing power station heat management system is characterized in that when a control room needs heating in a low-temperature environment, a battery pack needs cooling when charging, and a charging pile needs cooling, a ground source water circulation subsystem water pump takes high-temperature underground water from a water taking well, sand is removed through a sand remover, evaporation and heat absorption are carried out on the water-water heat exchanger, and a water condenser/evaporator carries out secondary evaporation and heat absorption on a refrigerant of a heat pump refrigerant subsystem and returns to a water return well;
controlling a valve bank in a heat pump refrigerant subsystem to ensure that a refrigerant is condensed by a water condenser under the compression of a compressor, evaporated and absorbed heat in the water condenser/evaporator, secondarily evaporated and absorbed heat in a water-refrigerant heat exchanger and finally returned to the compressor;
one path of a three-way valve of the electricity exchanging module heating and refrigerating subsystem is communicated, a fourth water pump conducts heat exchange heat release between cooling liquid and a refrigerant through a water-refrigerant heat exchanger, different battery packs are cooled through control of a second flow regulating valve, and waste heat of the battery packs is recycled through a heat pump;
and cooling liquid in the cooling subsystem of the charging module cools different charging piles through the first flow regulating valve group, heat is released through the water-water heat exchanger, and waste heat of the charging functional area is recycled through the heat pump.
7. The ground source heat pump-based charging and converting station thermal management system of claim 2, wherein the heat pump refrigerant subsystem further comprises a gas-liquid separator for separating liquid refrigerant at the inlet of the compressor to prevent liquid slugging of the compressor.
8. The ground source heat pump-based charging and switching power station thermal management system according to claim 2, wherein one three-way valve of the switching module heating and refrigerating subsystem is connected between the proportional three-way valve and the fourth water pump, and the other three-way valve is connected between the battery pack and a warm core of an air conditioner of the control room.
9. A charging and replacing power station heat management method based on a ground source heat pump is characterized in that the charging and replacing power station heat management system based on the ground source heat pump carries out integrated heat management on the whole charging and replacing power station, the charging and replacing power station heat management system is used for heating or cooling a battery pack replaced by a charging function area during charging, cooling a charging pile of the charging function area during high-power quick charging, and meanwhile, regulating air conditioner heating or cooling of control room operators.
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150130281A1 (en) * | 2013-11-10 | 2015-05-14 | S. Shey Sabripour | Integrated Energy Module |
| CN204555418U (en) * | 2015-01-04 | 2015-08-12 | 华北电力大学（保定） | A kind of wind-light storage hot type cooling heating and power generation system |
| CN108569259A (en) * | 2017-03-07 | 2018-09-25 | 保时捷股份公司 | Charging station |
| CN108987850A (en) * | 2018-08-09 | 2018-12-11 | 东风汽车有限公司 | Battery temperature control system of electric automobile and control method thereof |
| CN109037831A (en) * | 2018-06-25 | 2018-12-18 | 蔚来汽车有限公司 | Heat management system and its control method, electric charging station |
| CN110015065A (en) * | 2017-11-07 | 2019-07-16 | 奥迪股份公司 | Charging pile and electric vehicle for electric vehicle |
| CN110466376A (en) * | 2019-07-31 | 2019-11-19 | 江苏鲸充新能源技术有限公司 | A kind of new-energy automobile charging pile based on background management system |
| CN113119680A (en) * | 2019-12-30 | 2021-07-16 | 北京新能源汽车股份有限公司 | Finished automobile heat management system, control method thereof and automobile |
| CN114056147A (en) * | 2021-12-17 | 2022-02-18 | 蔚来汽车科技(安徽)有限公司 | Charging and replacing power station, thermal management system, control method, control device and medium thereof |
| CN216033618U (en) * | 2022-01-07 | 2022-03-15 | 比亚迪股份有限公司 | Thermal management system |
| CN216132019U (en) * | 2021-07-21 | 2022-03-25 | 南京川利新能源科技有限公司 | Regional cooling and heating of water source heat pump synthesizes wisdom energy station |
-
2022
- 2022-03-31 CN CN202210337672.6A patent/CN114655048B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150130281A1 (en) * | 2013-11-10 | 2015-05-14 | S. Shey Sabripour | Integrated Energy Module |
| CN204555418U (en) * | 2015-01-04 | 2015-08-12 | 华北电力大学（保定） | A kind of wind-light storage hot type cooling heating and power generation system |
| CN108569259A (en) * | 2017-03-07 | 2018-09-25 | 保时捷股份公司 | Charging station |
| CN110015065A (en) * | 2017-11-07 | 2019-07-16 | 奥迪股份公司 | Charging pile and electric vehicle for electric vehicle |
| CN109037831A (en) * | 2018-06-25 | 2018-12-18 | 蔚来汽车有限公司 | Heat management system and its control method, electric charging station |
| CN108987850A (en) * | 2018-08-09 | 2018-12-11 | 东风汽车有限公司 | Battery temperature control system of electric automobile and control method thereof |
| CN110466376A (en) * | 2019-07-31 | 2019-11-19 | 江苏鲸充新能源技术有限公司 | A kind of new-energy automobile charging pile based on background management system |
| CN113119680A (en) * | 2019-12-30 | 2021-07-16 | 北京新能源汽车股份有限公司 | Finished automobile heat management system, control method thereof and automobile |
| CN216132019U (en) * | 2021-07-21 | 2022-03-25 | 南京川利新能源科技有限公司 | Regional cooling and heating of water source heat pump synthesizes wisdom energy station |
| CN114056147A (en) * | 2021-12-17 | 2022-02-18 | 蔚来汽车科技(安徽)有限公司 | Charging and replacing power station, thermal management system, control method, control device and medium thereof |
| CN216033618U (en) * | 2022-01-07 | 2022-03-15 | 比亚迪股份有限公司 | Thermal management system |
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