CN218351539U - Liquid cooling temperature control system for electrochemical energy storage battery - Google Patents
Liquid cooling temperature control system for electrochemical energy storage battery Download PDFInfo
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- CN218351539U CN218351539U CN202221914399.0U CN202221914399U CN218351539U CN 218351539 U CN218351539 U CN 218351539U CN 202221914399 U CN202221914399 U CN 202221914399U CN 218351539 U CN218351539 U CN 218351539U
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- liquid cooling
- return circuit
- energy storage
- cold water
- storage battery
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- 238000001816 cooling Methods 0.000 title claims abstract description 41
- 239000007788 liquid Substances 0.000 title claims abstract description 38
- 238000012983 electrochemical energy storage Methods 0.000 title claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000003507 refrigerant Substances 0.000 claims abstract description 39
- 238000004146 energy storage Methods 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 230000005518 electrochemistry Effects 0.000 claims abstract description 7
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 210000000352 storage cell Anatomy 0.000 claims 2
- 230000008859 change Effects 0.000 abstract description 6
- 238000009833 condensation Methods 0.000 abstract description 5
- 230000005494 condensation Effects 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 abstract description 2
- 239000003570 air Substances 0.000 description 6
- 238000005057 refrigeration Methods 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses an electrochemistry energy storage battery liquid cooling temperature control system, including refrigerant return circuit and secondary heat transfer liquid cooling return circuit, the refrigerant return circuit is including the compressor, first condenser, first condensation fan, electronic expansion valve and the plate heat exchanger that connect gradually, the secondary heat transfer liquid cooling return circuit passes through plate heat exchanger and the heat exchange of refrigerant return circuit, the secondary heat transfer liquid cooling return circuit is including the heating pipe, cold water board and the water pump that connect gradually, still be connected with the forced air cooling branch road through the three-way valve between heating pipe and the cold water board, the forced air cooling branch road includes second condenser and second condensation fan, the utility model discloses a setting of forced air cooling branch road need not to start the compressor when external ambient temperature is not high and can satisfy the control by temperature change requirement, has promoted the efficiency of complete machine system, has realized energy saving and emission reduction.
Description
Technical Field
The utility model relates to an electrochemistry energy storage battery control by temperature change technical field, concretely relates to electrochemistry energy storage battery liquid cooling temperature control system.
Background
The battery temperature control scheme used in the electrochemical energy storage industry at home and abroad at present uses a liquid cooling scheme, and the system comprises: compressor, condenser, liquid storage pot, expansion valve, refrigerant pipeline, board trade, water pump, battery cold water board and secondary refrigerant pipeline etc. its theory of operation: when the unit is in operation, heat absorbed by an evaporator (plate heat exchanger) from a secondary refrigerant circulating system is absorbed by evaporation of a refrigerant, the refrigerant is compressed by a compressor and then enters a condenser, the heat is released into the ambient air environment by condensation of the refrigerant, the condensed refrigerant returns to the evaporator through an expansion valve and then is evaporated, the circulation is repeated, the heat absorbed by a battery cold plate by the secondary refrigerant is released by the evaporator, the heat is re-entered into the cold plate by using power generated by operation of a water pump to absorb heat generated in the charging and discharging processes of the battery, however, the compressor needs to be started for refrigeration to provide a cold source under various working conditions, the problem of frequent starting and stopping is caused when the temperature of the external environment is low, and the unit has the pain points of low energy efficiency, high energy consumption and the like of the whole system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electrochemistry energy storage battery liquid cooling temperature control system to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an electrochemistry energy storage battery liquid cooling temperature control system, includes refrigerant return circuit and secondary heat transfer liquid cooling return circuit, the refrigerant return circuit is including the compressor, first condenser, first condensation fan, electronic expansion valve and the plate heat exchanger that connect gradually, the secondary heat transfer liquid cooling return circuit passes through plate heat exchanger and refrigerant return circuit heat exchange, the secondary heat transfer liquid cooling return circuit is still including the heating pipe, cold water plate and the water pump that connect gradually, the cold water plate is used for adjusting energy storage battery's temperature, still be connected with the forced air cooling branch road through the three-way valve between heating pipe and the cold water plate, the forced air cooling branch road includes second condenser and second condensation fan.
Preferably, the number of the cold water plates is more than 2, and the cold water plates are arranged in parallel.
Preferably, flow regulating valves are respectively and independently arranged on the front sides of the cold water plates.
Preferably, a Y-shaped filter is arranged on the rear side of the cold water plate.
Preferably, a liquid storage tank is arranged at the rear side of the first condenser.
Preferably, a liquid injection valve is arranged at the front side of the compressor.
The utility model discloses a set up the three-way valve in secondary heat transfer liquid cooling return circuit, form a route and an air-cooled return circuit simultaneously, the air-cooled return circuit of opening of the judgement selectivity of the external ambient temperature of the control unit accessible, need not to start the compressor when external ambient temperature is not high promptly and can satisfy the control by temperature change requirement, promoted complete machine system's efficiency, realized energy saving and emission reduction.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, an electrochemical energy storage battery liquid cooling temperature control system comprises a refrigerant loop 1 and a secondary heat exchange liquid cooling loop 2, wherein the refrigerant loop 1 comprises a compressor 11, a first condenser 12, a first condensing fan 13, an electronic expansion valve 14 and a plate heat exchanger 15 which are connected in sequence, a refrigerant in the refrigerant loop 1 is compressed by the compressor 11 and then enters the first condenser 12, the refrigerant is condensed in the condenser, heat is released to the ambient air environment under the convection action of the first condensing fan 13, the condensed refrigerant enters the plate heat exchanger 15 through the throttling of the electronic expansion valve 14, and the heat absorption and evaporation in the plate heat exchanger 15 achieve a refrigeration effect, so that compression refrigeration are realized, preferably, a liquid storage tank 16 is arranged at the rear side of the first condenser 12, the liquid storage tank 16 is used for storing the refrigerant in the refrigerant loop 1, since the amount of the refrigerant in the refrigerant loop 1 can change due to the working condition of the plate heat exchanger, the liquid storage tank 16 is required to store excessive refrigerant, preferably, a low-pressure switch 18 and a high-pressure switch 19 are respectively arranged at the front side of the compressor 11 for ensuring that the refrigerant is in a reasonable pressure range in the whole refrigeration pipeline system, and a supplementary refrigerant is arranged at the front side of the compressor 11; the secondary heat exchange liquid cooling loop 2 is used for adjusting the temperature of the energy storage battery 4, secondary cooling is achieved through internal secondary refrigerants, the components of the secondary refrigerants in the embodiment are ethanol and water, the secondary heat exchange liquid cooling loop 2 exchanges heat with the refrigerant loop 1 through the plate heat exchanger 15, the secondary heat exchange liquid cooling loop 2 comprises a heating pipe 21, a cold water plate 22 and a water pump 23 which are sequentially connected, the cold water plate 22 and the energy storage battery 4 are in direct contact heat exchange, heat generated by the energy storage battery 4 during working is taken away through the secondary refrigerants, and therefore the energy storage battery 4 is cooled, the method is suitable for the environment with high external temperature, so that enough cold energy is provided to dissipate heat of the energy storage battery 4, when the external environment temperature is low, the heating pipe 21 needs to be used for preheating and then the energy storage battery is started, the problems that starting is difficult to achieve at low temperature and damage to the energy storage battery is caused by the low ambient temperature are avoided, and the water pump 23 is used for providing power for the secondary refrigerants to circulate in the secondary heat exchange loop 2, and therefore heat exchange of the energy storage battery 4 is achieved.
Further, when the external environment temperature is not high or low, it is completely unnecessary to use a compressor for refrigeration to provide cold energy, and only air cooling is needed to cool the secondary refrigerant, specifically, an air cooling branch 3 is further connected between the heating pipe 21 and the cold water plate 22 through a three-way valve 24, the air cooling branch 3 includes a second condenser 31 and a second condensing fan 32, that is, the secondary refrigerant carries heat to enter the second condenser 31 for cooling and then continues to act on the cold water plate 22, further, in the embodiment, the cold water plate 22 is provided with more than 2, and is arranged in parallel, the front side of the cold water plate 22 is respectively and independently provided with a flow regulating valve 25 for regulating the flow of the secondary refrigerant, so as to meet the heat dissipation requirements of batteries of different types, further, the rear side of the cold water plate 22 is provided with a Y-type filter 26 for filtering impurities in the secondary refrigerant so as to prevent the impurities from entering the water pump 23 to cause blockage, preferably, the front side of the water pump 23 is also provided with a water valve 27, so as to facilitate the cutting off water supply during maintenance.
The utility model provides an electrochemistry energy storage battery liquid cooling temperature control system carries out the control by temperature change regulation through outside the control unit (not shown in the figure), and the control unit carries out the threshold value setting to ambient temperature promptly, launches different control by temperature change modes when reaching different threshold value settings, the control unit is at least but not only forms electrical connection with compressor 11, first condensing fan 13, electronic expansion valve 14, heating pipe 21, water pump 23, three-way valve 24, second condensing fan 32, when sensing that ambient temperature is higher, the control unit control compressor 11, first condensing fan 13, electronic expansion valve 14, water pump 23 start, secondary heat transfer liquid cooling return circuit 2 carries out the heat transfer through plate heat exchanger 15, for the coolant provides sufficient cold volume and cools down for the energy storage battery, when sensing that ambient temperature is not high also low, the control unit control water pump 23, three-way valve 24, second condensing fan 32 start, can cool down the energy storage battery through air-cooled branch 3, when sensing ambient temperature is lower, the control heating pipe 21, water pump 23 starts, normal start-cooled down of energy storage battery is guaranteed through air-cooled down through the utility model discloses the promotion air cooling system has realized energy saving and has reduced discharging.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an electrochemistry energy storage battery liquid cooling temperature control system, includes refrigerant return circuit (1) and secondary heat transfer liquid cooling return circuit (2), the refrigerant return circuit is including compressor (11), first condenser (12), first condensing fan (13), electronic expansion valve (14) and plate heat exchanger (15) that connect gradually, secondary heat transfer liquid cooling return circuit passes through plate heat exchanger and refrigerant return circuit heat exchange, secondary heat transfer liquid cooling return circuit is including heating pipe (21), cold water plate (22) and water pump (23) that connect gradually, the cold water plate is used for adjusting the temperature of energy storage battery (4), its characterized in that: still be connected with air-cooled branch road (3) through three-way valve (24) between heating pipe and the cold water board, the air-cooled branch road includes second condenser (31) and second condensing fan (32).
2. The electrochemical energy storage battery liquid cooling temperature control system of claim 1, wherein: the number of the cold water plates is more than 2, and the cold water plates are arranged in parallel.
3. The electrochemical energy storage battery liquid cooling temperature control system of claim 2, wherein: and flow regulating valves (25) are respectively and independently arranged on the front sides of the cold water plates.
4. The electrochemical energy storage cell liquid cooling temperature control system of claim 1, wherein: and a Y-shaped filter (26) is arranged on the rear side of the cold water plate.
5. The electrochemical energy storage battery liquid cooling temperature control system of claim 1, wherein: a liquid storage tank (16) is arranged at the rear side of the first condenser.
6. The electrochemical energy storage cell liquid cooling temperature control system of claim 1, wherein: and a liquid injection valve (17) is arranged on the front side of the compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221914399.0U CN218351539U (en) | 2022-07-21 | 2022-07-21 | Liquid cooling temperature control system for electrochemical energy storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221914399.0U CN218351539U (en) | 2022-07-21 | 2022-07-21 | Liquid cooling temperature control system for electrochemical energy storage battery |
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| CN218351539U true CN218351539U (en) | 2023-01-20 |
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| CN202221914399.0U Active CN218351539U (en) | 2022-07-21 | 2022-07-21 | Liquid cooling temperature control system for electrochemical energy storage battery |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116437639A (en) * | 2023-04-21 | 2023-07-14 | 中国移动通信集团设计院有限公司 | Liquid cooling system, liquid cooling cabinet, control method, electronic equipment and storage medium |
| CN116995337A (en) * | 2023-08-23 | 2023-11-03 | 北京同洲维普科技有限公司 | A refrigeration and heating device for energy storage battery temperature control system |
| CN117968328A (en) * | 2024-03-06 | 2024-05-03 | 苏州英维克温控技术有限公司 | Chilled water equipment |
| CN119146612A (en) * | 2024-08-22 | 2024-12-17 | 合肥零熵科技有限公司 | Energy storage system and photovoltaic energy storage system |
-
2022
- 2022-07-21 CN CN202221914399.0U patent/CN218351539U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116437639A (en) * | 2023-04-21 | 2023-07-14 | 中国移动通信集团设计院有限公司 | Liquid cooling system, liquid cooling cabinet, control method, electronic equipment and storage medium |
| CN116437639B (en) * | 2023-04-21 | 2025-10-03 | 中国移动通信集团设计院有限公司 | Liquid cooling system, liquid cooling cabinet, control method, electronic equipment and storage medium |
| CN116995337A (en) * | 2023-08-23 | 2023-11-03 | 北京同洲维普科技有限公司 | A refrigeration and heating device for energy storage battery temperature control system |
| CN117968328A (en) * | 2024-03-06 | 2024-05-03 | 苏州英维克温控技术有限公司 | Chilled water equipment |
| WO2025185676A1 (en) * | 2024-03-06 | 2025-09-12 | 苏州英维克温控技术有限公司 | Water cooling device |
| CN119146612A (en) * | 2024-08-22 | 2024-12-17 | 合肥零熵科技有限公司 | Energy storage system and photovoltaic energy storage system |
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