CN213020380U - Air conditioning system for energy storage equipment and energy storage system - Google Patents

Air conditioning system for energy storage equipment and energy storage system Download PDF

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Publication number
CN213020380U
CN213020380U CN202021693648.9U CN202021693648U CN213020380U CN 213020380 U CN213020380 U CN 213020380U CN 202021693648 U CN202021693648 U CN 202021693648U CN 213020380 U CN213020380 U CN 213020380U
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Prior art keywords
energy storage
air conditioning
conditioning system
storage equipment
module
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CN202021693648.9U
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Chinese (zh)
Inventor
尹韶文
尹雪芹
王志伟
阳贵波
李韩伟
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BYD Co Ltd
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BYD Co Ltd
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Priority to CN202021693648.9U priority Critical patent/CN213020380U/en
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Publication of CN213020380U publication Critical patent/CN213020380U/en
Priority to PCT/CN2021/108687 priority patent/WO2022033299A1/en
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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
    • 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
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • 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
    • H01M10/62—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
    • H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
    • H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
    • 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
    • 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
    • Y02E60/14—Thermal energy storage

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Combustion & Propulsion (AREA)
  • Other Air-Conditioning Systems (AREA)
  • Secondary Cells (AREA)

Abstract

The utility model relates to an air conditioning system and energy storage system for energy storage equipment, including inner loop module and extrinsic cycle module, inner loop module and extrinsic cycle module pass through refrigerant union coupling, and inside energy storage equipment was arranged in to the inner loop module, the energy storage equipment top was arranged in to the extrinsic cycle module. Compared with the prior art, the external circulation module of the air conditioning system is arranged on the energy storage equipment, so that additional occupied area is not needed, and the total occupied area of the air conditioning system is reduced; and the air conditioning system is divided into an internal circulation module arranged inside the energy storage equipment and an external circulation module arranged at the top of the energy storage equipment, so that the integral height of the energy storage equipment is increased more due to the fact that the integral air conditioning system is arranged at the top of the energy storage equipment, the increase of the air conditioning system in the height direction of the energy storage equipment is reduced, the transportation cost is prevented from being greatly increased, and the space utilization rate in the height direction of the energy storage equipment is improved.

Description

Air conditioning system for energy storage equipment and energy storage system
Technical Field
The utility model belongs to the technical field of energy storage equipment, especially, relate to an air conditioning system and energy storage system for energy storage equipment.
Background
In the charging and discharging process of the energy storage device, a large amount of heat is generated, so that the internal temperature of the energy storage device is increased, and the charging and discharging efficiency of a battery module in the energy storage device is influenced.
The existing energy storage equipment is provided with an overhead air conditioning system at the top thereof to cool down the battery module. The top-mounted air conditioning system is an integrated air-cooled air conditioning system, air in the box body is fed back from the top of the box body of the energy storage equipment, and air is circulated in the box body, so that cold air generated in the working process of the top-mounted air conditioning system flows in the box body in a circulating manner, the temperature in the box body is more uniform, and the cooling effect is improved.
However, the overhead air conditioning system has the following disadvantages:
1. the refrigerating capacity of the integrated air conditioning system is difficult to adjust, the flexibility is poor, when the cold quantity demand changes, the whole overhead air conditioning system needs to be redesigned and replaced, the time consumption is long, and the cost is high.
2. Because integral type air conditioning system all sets up all structures at energy storage equipment's top, lead to energy storage equipment whole height to increase more, increase the transportation expense, space utilization is low in the direction of height.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the air conditioning system and the energy storage system for the energy storage equipment are provided aiming at the problem that the space utilization rate in the height direction of the energy storage equipment is low due to the fact that the air conditioning system of the existing energy storage equipment is integrally arranged at the top of the energy storage equipment.
In order to solve the technical problem, the embodiment of the utility model provides an air conditioning system for energy storage equipment, including inner loop module and extrinsic cycle module, the inner loop module reaches the extrinsic cycle module passes through refrigerant union coupling, inside energy storage equipment was arranged in to the inner loop module, the extrinsic cycle module is arranged in the energy storage equipment top.
Optionally, the external circulation module comprises a plurality of condensing units, and the plurality of condensing units are arranged side by side.
Optionally, the condensation unit includes casing, condenser and condensation fan, the condenser with the condensation fan sets up in the casing, be equipped with air intake and air outlet on the casing, condenser and condensation fan are located the air intake with on the passageway between the air outlet.
Optionally, the air outlet is located on a side of the housing away from the energy storage device.
Optionally, the internal circulation module comprises an outer frame, and an electronic control unit, a compressor, a liquid storage tank, a heat exchanger, an expansion valve and a water pump which are arranged in the outer frame, wherein the compressor and the water pump are respectively electrically connected with the electronic control unit;
the compressor, the condenser, the expansion valve, the heat exchanger and the liquid storage tank are sequentially connected to form a refrigerant circulating system; the water pump, the heat exchanger and the liquid cooling device arranged on the battery module of the energy storage device are sequentially connected to form an anti-freezing solution circulating system.
Optionally, two refrigerant circulation systems are provided, and the two refrigerant circulation systems share the heat exchanger.
Optionally, the internal circulation module further comprises a filtering device, and the water pump, the heat exchanger, the liquid cooling device and the filtering device are sequentially connected to form the antifreeze circulating system.
Optionally, the internal circulation module still includes expansion tank and heating water tank, the water pump the heat exchanger the liquid cooling device filter equipment reaches the heating water tank connects formation in order the antifreeze circulation system, the opening of expansion tank is connected on the pipeline between heating water tank and the water pump.
On the other hand, the utility model also provides an energy storage system, including energy storage equipment and aforementioned arbitrary technical scheme air conditioning system.
Compared with the prior art, the air conditioning system and the energy storage system for the energy storage equipment provided by the embodiment of the utility model have the advantages that the external circulation module of the air conditioning system is arranged on the energy storage equipment, and the arrangement of the external circulation module is not needed, so that the total occupied area of the air conditioning system is reduced; and the air conditioning system is divided into an internal circulation module arranged inside the energy storage equipment and an external circulation module arranged at the top of the energy storage equipment, so that the integral height of the energy storage equipment is increased more due to the fact that the integral air conditioning system is arranged at the top of the energy storage equipment, the increase of the air conditioning system in the height direction of the energy storage equipment is reduced, the transportation cost is prevented from being greatly increased, and the space utilization rate in the height direction of the energy storage equipment is improved.
Drawings
Fig. 1 is a schematic structural diagram of an air conditioning system for an energy storage device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the construction of the condensing unit of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic structural diagram of the internal circulation module of FIG. 1;
fig. 5 is a schematic diagram of an air conditioning system for an energy storage device according to an embodiment of the present invention;
fig. 6 is a schematic diagram of an air conditioning system for an energy storage device according to another embodiment of the present invention.
The reference numerals in the specification are as follows:
1. an external circulation module; 11. a condensing unit; 111. a housing; 112. a condenser; 113. a condensing fan;
114. an air inlet; 115. an air outlet;
2. an internal circulation module; 21. an outer frame; 22. an electronic control unit; 23. a compressor; 24. a liquid storage tank;
25. a heat exchanger; 26. an expansion valve; 27. a water pump; 28. an expansion tank; 29. heating the water tank;
210. a filtration device;
3. a refrigerant pipe; 4. and a liquid cooling device.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1, the embodiment of the utility model provides an air conditioning system for energy storage equipment, including inner loop module 2 and extrinsic cycle module 1, inner loop module 2 and extrinsic cycle module 1 are connected through refrigerant pipe 3, and inside energy storage equipment was arranged in to inner loop module 2, the energy storage equipment top was arranged in to extrinsic cycle module 1.
Compared with the prior art, the air conditioning system for the energy storage equipment provided by the embodiment of the utility model has the advantages that the external circulation module 1 of the air conditioning system is arranged on the energy storage equipment, and the arrangement of the external circulation module does not need to be additionally occupied, so that the total occupied area of the air conditioning system is reduced; and the air conditioning system is divided into an inner circulation module 2 placed inside the energy storage equipment and an outer circulation module 1 placed at the top of the energy storage equipment, so that the integral height of the energy storage equipment is increased more due to the fact that the integral air conditioning system is installed at the top of the energy storage equipment, the increase of the air conditioning system in the height direction of the energy storage equipment is reduced, the transportation cost is prevented from being greatly increased, and the space utilization rate in the height direction of the energy storage equipment is improved.
Specifically, the internal circulation module 2 is arranged on one side of the interior of the energy storage device, and the internal circulation module 2 and the external circulation module 1 are arranged in an L shape; the internal circulation module 2 is prevented from interfering the internal structure of the energy storage equipment, and the volume utilization rate of the energy storage equipment is improved.
In one embodiment, the internal circulation module 2 is detachably connected with the external circulation module 1; is convenient for installation and disassembly.
In another embodiment, the internal circulation module 2 is non-detachably connected to the external circulation module 1; the whole air conditioning system is installed with the energy storage equipment, so that the assembling steps between the inner circulation module 2 and the outer circulation module 1 are reduced, and the installation efficiency is improved.
In one embodiment, as shown in fig. 1, the external circulation module 1 includes a plurality of condensing units 11, the plurality of condensing units 11 are arranged side by side; for energy storage equipment with different cooling capacity requirements, the refrigerating capacity of the air conditioning system can be controlled by increasing or reducing the number of the condensing units 11, the situation that a new air conditioning system needs to be redesigned after the cooling capacity requirement is changed when an integrated air conditioning system is adopted is avoided, and the flexibility of cooling capacity change of the air conditioning system is improved.
In one embodiment, as shown in fig. 2 and 3, the condensing unit 11 includes a housing 111, a condenser 112 and a condensing fan 113, the condenser 112 and the condensing fan 113 are disposed in the housing 111, the housing 111 is provided with an air inlet 114 and an air outlet 115, and the condenser 112 and the condensing fan 113 are located on a channel between the air inlet 114 and the air outlet 115; the condenser 112 and the condensing fan 113 are fixed in the casing 111 to form a whole, which facilitates the installation and the disassembly of the external circulation module 1 and the energy storage device.
When the condenser 112 condenses the refrigerant, a large amount of heat is released to raise the temperature of the air in the casing 111 to form hot air, the condensing fan 113 blows the hot air out of the casing 111 from the air outlet 115, the cold air outside the casing 111 flows into the casing 111 from the air inlet 114, the cold air absorbs the heat released by the condenser 112 to become hot air, the hot air is blown out of the casing 111 from the air outlet 115 by the condensing fan 113, and air circulation (a path shown by an arrow in fig. 3) inside and outside the casing 111 is formed to take away the heat released when the condenser 112 operates.
Specifically, the number of the condensing fans 113 is set to 8 to 16.
In one embodiment, the housing 111 is a bottomless housing; the external circulation module 1 is lighter and lighter, and the weight of the air conditioning system is reduced.
In an embodiment, as shown in fig. 2, the air outlet 115 is located on a side of the housing 111 away from the energy storage device, and hot air inside the housing 111 is blown out from the top of the housing 111, so that the hot air is prevented from blowing to a user or other devices, a plurality of energy storage devices can be arranged side by side, and noise can be reduced.
In one embodiment, as shown in FIG. 2, the intake vent 114 is located on one side of the housing 111; and the side of the housing 111 provided with the air inlet 114 is adjacent to the side of the housing 111 provided with the air outlet 115; the distance between the air inlet 114 and the air outlet 115 is increased, so that air circulation inside and outside the shell 111 is smoother.
Preferably, the side of the housing 111 provided with the air inlet 114 is adjacent to the side of the housing 111 directly opposite to the adjacent condensing unit 11; the air inlet 114 of the condensing unit 11 is prevented from being blocked by the adjacent condensing unit 11, and the normal operation of the air circulation inside and outside the shell 111 is ensured.
In one embodiment, as shown in fig. 2, the external circulation module 1 is flat; the height of the external circulation module 1 is reduced, the increment in the height direction of the energy storage device is reduced, and the space utilization rate in the height direction of the energy storage device is improved.
Preferably, the external circulation module 1 is a flat cuboid, and the height of the external circulation module 1 is smaller than the width and the length of the external circulation module; is convenient for processing and installation.
In one embodiment, as shown in fig. 4 and 5, the internal circulation module 2 includes an outer frame 21, and an electronic control unit 22, a compressor 23, a liquid storage tank 24, a heat exchanger 25, an expansion valve 26, and a water pump 27 which are disposed in the outer frame 21, wherein the compressor 23 and the water pump 27 are respectively electrically connected to the electronic control unit 22;
the compressor 23, the condenser 112, the expansion valve 26, the heat exchanger 25 and the liquid storage tank 24 are connected in sequence to form a refrigerant circulating system; the water pump 27, the heat exchanger 25 and the liquid cooling device 4 arranged in the battery of the energy storage equipment are sequentially connected to form an antifreeze circulating system; the internal circulation module 2 is integrally designed in a frame type, so that the internal circulation module 2 can be integrally taken out for maintenance, the maintenance time and the maintenance difficulty are reduced, and the maintenance is convenient; the overall weight of the internal circulation module 2 can be reduced.
The utility model discloses a refrigerant circulation system and antifreeze circulation system combine together and carry out the liquid cooling to the battery module, and the refrigerant circulation system is used for producing cold volume, and heat exchanger 25 is used for realizing the heat exchange between refrigerant circulation system and the antifreeze circulation system, and the antifreeze circulation system is used for carrying out the heat exchange directly on cold volume conveying each battery module; can ensure to cool down each battery module, improve the accuracy nature to each battery module temperature control, also improve the utilization efficiency of the cold volume of air conditioning system.
The refrigerating agent circulating system is used for generating cold energy and the working process is roughly as follows: the compressor 23 sucks a gaseous refrigerant, compresses the refrigerant into a high-temperature and high-pressure gas, and sends the gas to the condenser 112; the condenser 112 condenses the high-temperature and high-pressure gas into a low-temperature and high-pressure gas; the low-temperature high-pressure gas is throttled and decompressed into low-temperature low-pressure liquid by the expansion valve 26; the low-temperature low-pressure liquid is subjected to heat exchange with the antifreeze through the heat exchanger 25 and then becomes a low-temperature medium-pressure gas-liquid two-phase body; then, the gas-liquid two-phase body of low temperature and medium pressure is separated through the receiver 24, the liquid refrigerant is retained in the receiver 24, the gaseous refrigerant enters the compressor 23 and is compressed into a gas of high temperature and high pressure, and the above cycle is repeated (the circulation path is shown by the hollow arrow in fig. 5).
The antifreeze circulating system is used for conveying cold to the battery module, and the working process of the antifreeze circulating system is approximately as follows: the water pump 27 drives the antifreeze solution to flow into the heat exchanger 25 to exchange heat with the refrigerant to become antifreeze solution carrying cold energy; then the antifreeze carrying cold energy flows into the liquid cooling device 4 of the battery module to exchange heat with the battery module to become antifreeze carrying heat energy, the antifreeze transmits the cold energy to the battery module, and the temperature of the battery module is reduced; the heat-carrying antifreeze solution flows into the water pump 27 and repeats the above-described circulation (circulation path shown by solid arrows in fig. 5).
Specifically, the liquid cooling device 4 is provided as a liquid cooling plate.
In an embodiment, as shown in fig. 5, the internal circulation module 2 further includes a filtering device 210, and the water pump 27, the heat exchanger 25, the liquid cooling device 4 and the filtering device 210 are sequentially connected to form an antifreeze circulating system; the antifreeze can be prevented from carrying impurities after circulation to damage the water pump 27, and the operation safety of the water pump 27 is improved.
In an embodiment, as shown in fig. 5, the internal circulation module 2 further includes an expansion tank 28 and a heating water tank 29, the water pump 27, the heat exchanger 25, the liquid cooling device 4, the filtering device 210 and the heating water tank 29 are sequentially connected to form an antifreeze circulating system, and an opening of the expansion tank 28 is connected to a pipeline between the heating water tank 29 and the water pump 27; the temperature of the antifreeze solution rises after passing through the liquid cooling device 4, and a part of the antifreeze solution can be gasified to cause expansion, so that the heating water tank 29 and the expansion tank 28 can perform buffering expansion; the heating water tank 29 can also store antifreeze, so that the water pump 27 is prevented from idling, and the safe operation of the water pump 27 is ensured; meanwhile, when the temperature of the battery module is lower than the optimal working temperature, the heating water tank 29 can heat the anti-freezing solution, so that the temperature of the battery module is increased to reach the optimal working temperature.
In another embodiment, as shown in FIG. 6, the water pump is a dual water pump; the two water pumps 27 are connected in parallel on a pipeline of the antifreeze circulating system to form a duplex water pump; the service life of the water pumps 27 is prolonged, a standby function can be achieved, one water pump 27 can be started when the other water pump 27 fails, and normal operation of an antifreeze circulating system is prevented from being influenced.
In one embodiment, as shown in fig. 5, two refrigerant circulation systems are provided, and the two refrigerant circulation systems share the heat exchanger 25; the standby function can be played, the temperature of the battery module cannot be reduced when the single refrigeration cycle system is prevented from being out of order, so that the service efficiency of the energy storage device is influenced, and the refrigeration effect on the battery module is guaranteed.
In particular, the heat exchanger 25 is provided as a plate heat exchanger 25; two sets of cold fluid channels which are isolated from each other are arranged in the plate heat exchanger 25, and the two refrigerant circulating systems are respectively in one-to-one correspondence with the two sets of cold fluid channels, so that the refrigerant of one refrigerant circulating system flows into one set of cold fluid channels, and heat exchange is carried out between the refrigerant and the antifreeze in the hot fluid channel of the plate heat exchanger 25.
On the other hand, not shown in the figure, the utility model also provides an energy storage system, which comprises energy storage equipment and the air conditioning system mentioned in any one of the foregoing embodiments; the external circulation module 1 of the air conditioning system is arranged on the energy storage equipment, so that additional occupied area is not needed, and the total occupied area of the air conditioning system is reduced; and the air conditioning system is divided into an inner circulation module 2 placed inside the energy storage device and an outer circulation module 1 placed at the top of the energy storage device, so that the situation that the height of the energy storage system is increased more due to the fact that the integrated air conditioning system is installed at the top of the energy storage device is avoided, the increase of the air conditioning system in the height direction of the energy storage device is reduced, the transportation cost is prevented from being greatly increased, and the space utilization rate of the energy storage system in the height direction is improved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. The air conditioning system for the energy storage equipment is characterized by comprising an internal circulation module and an external circulation module, wherein the internal circulation module and the external circulation module are connected through a refrigerant pipe, the internal circulation module is arranged in the energy storage equipment, and the external circulation module is arranged at the top of the energy storage equipment.
2. The air conditioning system of claim 1, wherein the external circulation module comprises a plurality of condensing units, the plurality of condensing units being arranged side by side.
3. The air conditioning system of claim 2, wherein the condensing unit comprises a housing, a condenser and a condensing fan, the condenser and the condensing fan are disposed in the housing, the housing is provided with an air inlet and an air outlet, and the condenser and the condensing fan are disposed on a channel between the air inlet and the air outlet.
4. The air conditioning system of claim 3, wherein the air outlet is located on a side of the housing away from the energy storage device.
5. The air conditioning system of claim 3, wherein the internal circulation module comprises an outer frame, and an electronic control unit, a compressor, a liquid storage tank, a heat exchanger, an expansion valve and a water pump which are arranged in the outer frame, wherein the compressor and the water pump are respectively electrically connected with the electronic control unit;
the compressor, the condenser, the expansion valve, the heat exchanger and the liquid storage tank are sequentially connected to form a refrigerant circulating system; the water pump, the heat exchanger and the liquid cooling device arranged on the battery module of the energy storage device are sequentially connected to form an anti-freezing solution circulating system.
6. The air conditioning system as claimed in claim 5, wherein there are two of said refrigerant circulation systems, and said heat exchanger is shared by both of said refrigerant circulation systems.
7. The air conditioning system of claim 5, wherein said internal circulation module further comprises a filter device, and said water pump, said heat exchanger, said liquid cooling device and said filter device are connected in sequence to form said antifreeze circulation system.
8. The air conditioning system of claim 7, wherein said internal circulation module further comprises an expansion tank and a heating water tank, said water pump, said heat exchanger, said liquid cooling device, said filtering device and said heating water tank are connected in sequence to form said anti-freezing fluid circulation system, and an opening of said expansion tank is connected to a pipeline between said heating water tank and said water pump.
9. An energy storage system comprising an energy storage device and an air conditioning system as claimed in any one of claims 1 to 8.
CN202021693648.9U 2020-08-13 2020-08-13 Air conditioning system for energy storage equipment and energy storage system Active CN213020380U (en)

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Application Number Priority Date Filing Date Title
CN202021693648.9U CN213020380U (en) 2020-08-13 2020-08-13 Air conditioning system for energy storage equipment and energy storage system
PCT/CN2021/108687 WO2022033299A1 (en) 2020-08-13 2021-07-27 Air conditioning system for energy storage device, and energy storage system

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Application Number Priority Date Filing Date Title
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CN213020380U (en) * 2020-08-13 2021-04-20 比亚迪股份有限公司 Air conditioning system for energy storage equipment and energy storage system

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Publication number Priority date Publication date Assignee Title
WO2022033299A1 (en) * 2020-08-13 2022-02-17 比亚迪股份有限公司 Air conditioning system for energy storage device, and energy storage system

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