CN214254532U - Heat management unit for container type energy storage system - Google Patents
Heat management unit for container type energy storage system Download PDFInfo
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- CN214254532U CN214254532U CN202120256277.6U CN202120256277U CN214254532U CN 214254532 U CN214254532 U CN 214254532U CN 202120256277 U CN202120256277 U CN 202120256277U CN 214254532 U CN214254532 U CN 214254532U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a heat management unit for container formula energy storage system of lithium cell technical field, include: the container is provided with an energy storage bin and an air-cooled heat dissipation bin; the side wall of the air-cooled heat dissipation bin is provided with an air inlet and an air outlet; the battery cabinets are arranged in the energy storage bin; the battery boxes are arranged in the battery cabinet; the cooling liquid circulating system is arranged in the energy storage bin and surrounds the battery cabinet and the battery box; the refrigerant circulating system is arranged in the energy storage bin and is in heat conduction connection with the cooling liquid circulating system and the air cooling heat dissipation bin; and the external circulation air-cooling heat dissipation system is arranged in the air-cooling heat dissipation bin and is in heat conduction connection with the energy storage bin. The utility model has the advantages that: the heat management efficiency, the precision, the use convenience and the corrosion resistance of the energy storage system are greatly improved, and the performance and the service life of the energy storage system are further improved.
Description
Technical Field
The utility model relates to a lithium cell technical field indicates a heat management unit for container formula energy storage system very much.
Background
With the popularization and application of new energy sources such as solar energy, wind energy and the like, an energy storage technology develops, and lithium batteries gradually become mainstream products for energy storage because of the advantages of higher energy, long service life, high rated voltage, high power bearing capacity, very low self-discharge rate, light weight, environmental protection, basically no water consumption in production and the like.
In order to ensure the service performance and the service life of the battery, the container type energy storage system needs to be provided with a thermal management system to ensure that the working temperature of the battery is in a reasonable range, and the traditional thermal management system adopts an air conditioner to refrigerate and heat, but has the defects of low efficiency, high energy consumption, large battery temperature difference, low temperature control precision and the like. Although the liquid cooling type heat management system can overcome the defects of the air cooling system of the air conditioner, the liquid cooling type heat management system still has the defects of poor salt spray corrosion resistance, complex filling and replacing operations of cooling liquid, complex exhaust design of the system and the like.
Therefore, how to provide a thermal management unit for container type energy storage system realizes thermal management efficiency, precision, use convenience and corrosion resistance that promote energy storage system, and then promotes energy storage system's performance and life-span, becomes a problem that awaits solution urgently.
Disclosure of Invention
The to-be-solved technical problem of the utility model lies in providing a heat management unit for container formula energy storage system, realizes promoting energy storage system's thermal management efficiency, precision, use convenience and corrosion resistance, and then promotes energy storage system's performance and life-span.
The utility model discloses a realize like this: a thermal management assembly for a container-based energy storage system, comprising:
the container is provided with an energy storage bin and an air-cooled heat dissipation bin; the side wall of the air-cooled heat dissipation bin is provided with an air inlet and an air outlet;
the battery cabinets are arranged in the energy storage bin;
the battery boxes are arranged in the battery cabinet;
the cooling liquid circulating system is arranged in the energy storage bin and surrounds the battery cabinet and the battery box;
the refrigerant circulating system is arranged in the energy storage bin and is in heat conduction connection with the cooling liquid circulating system and the air cooling heat dissipation bin;
and the external circulation air-cooling heat dissipation system is arranged in the air-cooling heat dissipation bin and is in heat conduction connection with the energy storage bin.
Further, the cooling liquid circulation system includes:
a water pump;
a pressurized water tank;
a plate heat exchanger in heat transfer communication with said refrigerant cycle system;
a waterway regulating valve;
a water heater;
the two automatic exhaust valves are arranged at the top end of the container;
and the water pipe group is sequentially communicated with the water pump, the pressure water tank, the plate heat exchanger, the water path regulating valve, the water heater, the automatic exhaust valve and the water pump.
Further, the water tube group includes:
the water pump, the pressure water tank, the plate heat exchanger, the waterway regulating valve, the water heater, the automatic exhaust valve and the water pump are sequentially communicated with the plurality of water pipes;
the water pipe surrounds the battery cabinet and the battery box;
the water pipe group is provided with a cooling liquid filling port and is positioned at the lower end inside the container.
Further, the refrigerant cycle system includes:
a compressor;
the first condenser is communicated with the compressor and is in heat conduction connection with the air-cooled heat dissipation bin;
a throttling element in communication with said first condenser;
and one end of the plate-type evaporator is communicated with the throttling element, and the other end of the plate-type evaporator is communicated with the compressor and is in heat conduction connection with the cooling liquid circulating system.
Further, the outer circulation air-cooled heat dissipation system includes:
the heat dissipation fan is arranged in the air-cooling heat dissipation bin and is close to the air inlet;
and the second condenser is arranged in the air-cooling heat dissipation bin and is in heat conduction connection with the energy storage bin.
Further, still include:
and the two sealing pieces are respectively detachably connected with the air inlet and the air outlet.
The utility model has the advantages that:
1. by arranging the cooling liquid circulating system, the refrigerant circulating system and the external circulating air-cooling heat dissipation system, the cooling liquid circulating system surrounds the battery cabinet and the battery box, the heat of the battery is taken away quickly, the heat is transferred to the external circulating air-cooling heat dissipation system quickly through the refrigerant circulating system, and then the heat is discharged out of the container through the heat dissipation fan; through setting up the coolant liquid circulation system including water heater, can heat the coolant liquid in the water pipe to predetermined temperature and heat for the battery rapidly, final very big promotion energy storage system's thermal management efficiency, precision, and then very big promotion energy storage system's performance.
2. The lower end in the container is provided with the cooling liquid filling port, so that the cooling liquid can be filled conveniently; through the top of container sets up air relief valve, is located whole coolant liquid circulation circuit's highest point promptly, and residual gas in the return circuit can in time discharge, avoids water channel system cavitation and abnormal sound phenomenon to take place, also avoids battery cabinet top installation discharge valve and the inconvenient risk of revealing with the coolant liquid of observation that causes, the final very big use convenience that has promoted energy storage system.
3. Through setting up the independence air-cooled heat dissipation storehouse can effectually prevent that the sea wind from corroding other parts in the energy storage storehouse improve the life of heat management unit reduces design cost.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a thermal management unit for a container-type energy storage system according to the present invention.
Fig. 2 is one of the cross-sectional views of a thermal management assembly for a container-based energy storage system.
Fig. 3 is a second cross-sectional view of a thermal management assembly for a container-type energy storage system according to the present invention.
Fig. 4 is a side view of a thermal management assembly for a container-based energy storage system.
Description of the labeling:
100-a heat management unit for a container type energy storage system, 1-a container, 2-a cooling liquid circulation system, 3-a refrigerant circulation system, 4-an external circulation air-cooled heat dissipation system, 11-an energy storage bin, 12-an air-cooled heat dissipation bin, 121-an air inlet, 122-an air outlet, 21-a water pump, 22-a pressure water tank, 23-a plate heat exchanger, 24-a water path adjusting valve, 25-a water heater, 26-an automatic exhaust valve, 27-a water pipe group, 271-a water pipe, 272-a cooling liquid filling port, 31-a compressor, 32-a first condenser, 33-a throttling element, 34-a plate evaporator, 41-a heat dissipation fan and 42-a second condenser.
Detailed Description
The embodiment of the utility model provides a through providing a heat management unit 100 for container formula energy storage system, it refrigerates and heats to have solved and adopt the air conditioner to refrigerate among the prior art, there is inefficiency, the energy consumption is high, the battery difference in temperature is big, temperature control precision low grade shortcoming, it is poor to adopt liquid cold type heat management system to have anti salt fog corrosion resistance, the coolant liquid is filled and is changed the operation complicacy, the technical problem of shortcomings such as system exhaust design complicacy, the very big thermal management efficiency who has promoted energy storage system has been realized, the precision, convenience in use and corrosion resistance, and then energy storage system's performance and the technological effect in life-span have been promoted.
The embodiment of the utility model provides an in technical scheme for solving above-mentioned problem, the general thinking is as follows: the temperature of the battery is rapidly adjusted to a preset temperature value by arranging the cooling liquid circulating system 2, the refrigerant circulating system 3 and the external circulating air-cooled radiating system 4, so that the heat management efficiency and precision of the energy storage system are improved, and the performance of the energy storage system is further improved; the coolant filling port 272 is arranged at the lower end in the container 1, and the automatic exhaust valve 26 is arranged at the top end of the container 1, so that the use convenience of the energy storage system is improved; through setting up independent air-cooled heat dissipation storehouse 12, prevent that sea wind from corroding other parts in the energy storage storehouse 11 to improve energy storage system's life.
For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.
Referring to fig. 1 to 4, a preferred embodiment of a thermal management unit 100 for a container-type energy storage system according to the present invention includes:
the container 1 is provided with an energy storage bin 11 and an air cooling heat dissipation bin 12; an air inlet 121 and an air outlet 122 are arranged on the side wall of the air-cooled heat dissipation bin 12; by arranging the independent air-cooling heat dissipation bin 12, external hot air is prevented from entering the energy storage bin 11, and when the air-cooling heat dissipation bin is applied to coastal high-salt fog areas, sea wind corrosion can be effectively prevented, the service life of the heat management unit 100 is prolonged, and the design cost is reduced;
a plurality of battery cabinets (not shown) disposed in the energy storage bin 11 for loading the battery boxes;
a plurality of battery boxes (not shown) provided in the battery cabinet and configured to hold batteries (not shown);
the cooling liquid circulating system 2 is arranged in the energy storage bin 11, surrounds the battery cabinet and the battery box and is used for adjusting the temperature of the battery;
the refrigerant circulating system 3 is arranged in the energy storage bin 11, is in heat conduction connection with the cooling liquid circulating system 2 and the air-cooling heat dissipation bin 12, and is used for transferring heat of the cooling liquid circulating system 2 to the external circulating air-cooling heat dissipation system 4;
and the external circulation air-cooling heat dissipation system 4 is arranged in the air-cooling heat dissipation bin 12, is in heat conduction connection with the energy storage bin 11, and is used for dissipating heat of the refrigerant circulation system 3.
The cooling liquid circulation system 2 includes:
a water pump 21 for pumping the cooling fluid to circulate the cooling fluid;
a pressure water tank 22; the pressure water tank 22 can absorb the pipeline pressure caused by the volume expansion of the cooling liquid when the temperature of the cooling liquid changes, ensure the pressure stability of the cooling liquid circulation system 2, and play roles of buffering and exhausting;
a plate heat exchanger 23 in heat-conducting connection with said refrigerant circulation system 3 for transferring heat from the coolant;
a water path regulating valve 24 for regulating the flow rate of the cooling liquid;
a water heater 25 for heating the coolant;
two automatic exhaust valves 26, which are arranged at the top end of the container 1 and are used for exhausting the gas in the water pipe 271;
and a water pipe group 27 which is communicated with the water pump 21, the pressure water tank 22, the plate heat exchanger 23, the waterway regulating valve 24, the water heater 25, the automatic exhaust valve 26 and the water pump 21 in sequence.
The water tube group 27 includes:
the water pipes 271 are sequentially communicated with the water pump 21, the pressure water tank 22, the plate heat exchanger 23, the waterway regulating valve 24, the water heater 25, the automatic exhaust valve 26 and the water pump 21;
the water pipe 271 surrounds the battery cabinet and the battery box;
the water tube bank 27 is provided with a coolant filling port 272 at the lower end of the interior of the container 1.
The refrigerant cycle system 3 includes:
a compressor 31;
a first condenser 32, which is communicated with the compressor 31 and is connected with the air-cooled heat dissipation bin 12 in a heat conduction way;
a throttle element 33 in communication with said first condenser 32 for regulating the flow of refrigerant;
a plate evaporator 34, one end of which is connected to the throttling element 33 and the other end of which is connected to the compressor 31 and is connected to the cooling liquid circulation system 2 in a heat-conducting manner; the plate evaporator 34 and the plate heat exchanger 23 are two functions of the same device.
The external circulation air-cooled heat dissipation system 4 includes:
a heat dissipation fan 41, disposed in the air-cooled heat dissipation bin 12 and close to the air inlet 121, for circulating air to dissipate heat;
and the second condenser 42 is arranged in the air-cooling heat dissipation bin 12 and is in heat conduction connection with the energy storage bin 11.
The radiator fan 41 is maintained outside the container 1, and the water pump 21 and the compressor 31 are maintained inside the container 1.
Further comprising:
two sealing members (not shown) detachably connected to the air inlet 121 and the air outlet 122, respectively, for sealing the air-cooled heat dissipation chamber 12 to reach the IP55 protection level.
The utility model discloses the theory of operation:
a refrigeration mode: the cooling liquid circulation system 2 brings the heat of the battery to the plate type heat exchanger 23, the plate type heat exchanger 23 transfers the heat to the plate type evaporator 34, the refrigerant circulation system 3 brings the heat of the cooling liquid circulation system 2 to the first condenser 32 through the plate type evaporator 34 and then conducts the heat to the second condenser 42, and then the heat is brought to the air outside the container 1 by the external circulation air-cooled heat dissipation system 4.
Heating mode: the operation of the refrigerant circulating system 3 is stopped, the water heater 25 is started to heat the cooling liquid in the water pipe 271, and the heated cooling liquid transfers heat to the battery through the cooling liquid circulating system 2, so that the heating function is achieved.
To sum up, the utility model has the advantages that:
1. by arranging the cooling liquid circulating system, the refrigerant circulating system and the external circulating air-cooling heat dissipation system, the cooling liquid circulating system surrounds the battery cabinet and the battery box, the heat of the battery is taken away quickly, the heat is transferred to the external circulating air-cooling heat dissipation system quickly through the refrigerant circulating system, and then the heat is discharged out of the container through the heat dissipation fan; through setting up the coolant liquid circulation system including water heater, can heat the coolant liquid in the water pipe to predetermined temperature and heat for the battery rapidly, final very big promotion energy storage system's thermal management efficiency, precision, and then very big promotion energy storage system's performance.
2. The lower end in the container is provided with the cooling liquid filling port, so that the cooling liquid can be filled conveniently; through the top of container sets up air relief valve, is located whole coolant liquid circulation circuit's highest point promptly, and residual gas in the return circuit can in time discharge, avoids water channel system cavitation and abnormal sound phenomenon to take place, also avoids battery cabinet top installation discharge valve and the inconvenient risk of revealing with the coolant liquid of observation that causes, the final very big use convenience that has promoted energy storage system.
3. Through setting up the independence air-cooled heat dissipation storehouse can effectually prevent that the sea wind from corroding other parts in the energy storage storehouse improve the life of heat management unit reduces design cost.
Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.
Claims (6)
1. A thermal management unit for container formula energy storage system which characterized in that: the method comprises the following steps:
the container is provided with an energy storage bin and an air-cooled heat dissipation bin; the side wall of the air-cooled heat dissipation bin is provided with an air inlet and an air outlet;
the battery cabinets are arranged in the energy storage bin;
the battery boxes are arranged in the battery cabinet;
the cooling liquid circulating system is arranged in the energy storage bin and surrounds the battery cabinet and the battery box;
the refrigerant circulating system is arranged in the energy storage bin and is in heat conduction connection with the cooling liquid circulating system and the air cooling heat dissipation bin;
and the external circulation air-cooling heat dissipation system is arranged in the air-cooling heat dissipation bin and is in heat conduction connection with the energy storage bin.
2. A thermal management assembly for a container-based energy storage system according to claim 1, wherein: the cooling liquid circulation system includes:
a water pump;
a pressurized water tank;
a plate heat exchanger in heat transfer communication with said refrigerant cycle system;
a waterway regulating valve;
a water heater;
the two automatic exhaust valves are arranged at the top end of the container;
and the water pipe group is sequentially communicated with the water pump, the pressure water tank, the plate heat exchanger, the water path regulating valve, the water heater, the automatic exhaust valve and the water pump.
3. A thermal management assembly for a container-based energy storage system according to claim 2, wherein: the water pipe group includes:
the water pump, the pressure water tank, the plate heat exchanger, the waterway regulating valve, the water heater, the automatic exhaust valve and the water pump are sequentially communicated with the plurality of water pipes;
the water pipe surrounds the battery cabinet and the battery box;
the water pipe group is provided with a cooling liquid filling port and is positioned at the lower end inside the container.
4. A thermal management assembly for a container-based energy storage system according to claim 1, wherein: the refrigerant cycle system includes:
a compressor;
the first condenser is communicated with the compressor and is in heat conduction connection with the air-cooled heat dissipation bin;
a throttling element in communication with said first condenser;
and one end of the plate-type evaporator is communicated with the throttling element, and the other end of the plate-type evaporator is communicated with the compressor and is in heat conduction connection with the cooling liquid circulating system.
5. A thermal management assembly for a container-based energy storage system according to claim 1, wherein: the outer circulation air-cooled heat dissipation system comprises:
the heat dissipation fan is arranged in the air-cooling heat dissipation bin and is close to the air inlet;
and the second condenser is arranged in the air-cooling heat dissipation bin and is in heat conduction connection with the energy storage bin.
6. The thermal management assembly for the container-type energy storage system according to claim 5, wherein: further comprising:
and the two sealing pieces are respectively detachably connected with the air inlet and the air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120256277.6U CN214254532U (en) | 2021-01-29 | 2021-01-29 | Heat management unit for container type energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120256277.6U CN214254532U (en) | 2021-01-29 | 2021-01-29 | Heat management unit for container type energy storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214254532U true CN214254532U (en) | 2021-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120256277.6U Active CN214254532U (en) | 2021-01-29 | 2021-01-29 | Heat management unit for container type energy storage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214254532U (en) |
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2021
- 2021-01-29 CN CN202120256277.6U patent/CN214254532U/en active Active
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