CN219066925U - Battery compartment temperature and humidity control system - Google Patents
Battery compartment temperature and humidity control system Download PDFInfo
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- CN219066925U CN219066925U CN202222551384.9U CN202222551384U CN219066925U CN 219066925 U CN219066925 U CN 219066925U CN 202222551384 U CN202222551384 U CN 202222551384U CN 219066925 U CN219066925 U CN 219066925U
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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 a battery compartment temperature and humidity control system which comprises a battery cluster liquid cooling system, a temperature and humidity control device and a water chilling unit, wherein the battery cluster liquid cooling system is connected with the water chilling unit to exchange heat with the water chilling unit, and the temperature and humidity control device is connected with the water chilling unit to exchange heat. It can be seen that the temperature and humidity control device is arranged to control the temperature and humidity of the working environment of the battery system, and the temperature and humidity control device and the battery cluster liquid cooling system share the water chilling unit to reduce the cost.
Description
Technical Field
The utility model relates to the technical field of energy storage systems, in particular to a battery compartment temperature and humidity control system.
Background
Along with popularization and application of new energy sources such as solar energy, wind energy and the like, the energy storage technology is also developed, and the lithium battery gradually becomes a main product of energy storage because of the advantages of high energy, long service life, high rated voltage, high power bearing capacity, low self-discharge rate, light weight, environmental protection, no water consumption basically in production and the like.
At present, when a container system is integrated, considering battery safety, a battery pack is generally separated from other electrical equipment such as PCS (personal communication System), DCDC (direct Current DC) and the like, so that when other electrical components are in electrical failure, the electrical performance failure of the battery such as creepage failure, insulation failure, thermal runaway, external circuit short circuit and the like is prevented.
When the battery system works, if condensed water is generated, the problems of insulation failure, thermal runaway, external short circuit of a circuit and the like of the battery pack can be caused, and therefore, in the prior art, a temperature and humidity control system is arranged in a battery compartment, and an additional air conditioning system is needed to be added in the system, so that the cost is increased.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the temperature and humidity control system of the battery compartment is provided to reduce the cost of the temperature and humidity control system.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the battery compartment temperature and humidity control system comprises a battery cluster liquid cooling system, a temperature and humidity control device and a water chilling unit, wherein the battery cluster liquid cooling system is connected with the water chilling unit to exchange heat with the water chilling unit, and the temperature and humidity control device is connected with the water chilling unit to exchange heat.
Further, the water chilling unit comprises a heat exchanger, an expansion valve, a compressor, a condenser and an expansion valve, the temperature and humidity control device comprises an electromagnetic valve and an evaporator, a liquid outlet end of a cold end of the heat exchanger is connected with a liquid inlet end of the cold end through a battery cluster liquid cooling device and a water pump, a liquid outlet end of a hot end of the heat exchanger is connected with a liquid inlet end of the hot end through the compressor, the condenser and the expansion valve, and a liquid outlet end of the hot end is connected with a liquid inlet end of the hot end through the electromagnetic valve and the evaporator.
Further, the battery cluster liquid cooling system is located in the battery compartment, the temperature and humidity control device is located outside the battery compartment, the temperature and humidity control device comprises an air delivery duct and an air return duct, one end of the air delivery duct is connected with the battery compartment, the other end of the air delivery duct is connected with an evaporator of the temperature and humidity control device, one end of the air return duct is connected with the battery compartment, and the other end of the air return duct is connected with the evaporator of the temperature and humidity control device.
Further, the volume of the battery compartment is 8-15m < 3 >, and the air supply flow and the return air flow are 600-1000m/h.
Further, the wind resistance of the air duct and the air return duct is 200-250pa, the width of the air supply duct is 250-400mm, the height of the air supply duct is 60-120mm, the width of the air return duct is 250-400mm, and the height of the air return duct is 150-350mm.
Further, the evaporator comprises an internal circulation explosion-proof fan.
Further, the condenser comprises a condensing fan.
The utility model has the beneficial effects that: the temperature and humidity control device and the water chilling unit are arranged outside the battery compartment, and the temperature and humidity control device is arranged to control the temperature and humidity of the working environment of the battery system, so that condensed water is prevented from being generated or attached to the outer walls of the liquid cooling main pipeline, the electric cabinet pipeline and the electric box pipeline; in addition, the cost of a set of compressors, condensers, condensing fans and the like is saved by combining the battery pack liquid cooling loop, the temperature and humidity control device and the water chilling unit, and the cost of a temperature and humidity control system can be reduced by 30-40%.
Drawings
Fig. 1 is a schematic structural diagram of an energy storage system according to the present embodiment;
fig. 2 is a schematic diagram of an operating principle of a battery compartment temperature and humidity control system according to the embodiment;
fig. 3 is a schematic structural diagram of a battery compartment temperature and humidity control system according to the present embodiment;
fig. 4 is a schematic structural diagram of a combination of a battery cluster liquid cooling system and a temperature and humidity control device according to the present embodiment;
fig. 5 is a schematic structural diagram of a temperature and humidity control device according to the present embodiment;
fig. 6 is a schematic diagram of a working flow of a battery compartment temperature and humidity control system according to the embodiment.
Description of the reference numerals:
1. an equipment compartment; 2. a water chiller; 3. a temperature and humidity control device; 31. connecting copper pipes; 32. an air duct air supply outlet; 33. an air delivery duct; 34. an air return duct; 35. an air duct return air inlet; 36. an air supply port is arranged; 37. an air return port is arranged; 4. a battery compartment; 5. a battery cluster liquid cooling pipeline; 51. a liquid cooling main pipeline; 52. liquid cooling electric cabinet pipeline; 101. an electromagnetic valve; 102. a water pump; 103. a compressor; 104. a condenser; 105. a condensing fan; 106 an evaporator; 107. an internal circulation explosion-proof fan; 108. an expansion valve; 109. a heat exchanger.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1-5, a battery compartment temperature and humidity control system includes a battery cluster liquid cooling system, a temperature and humidity control device and a water chiller, wherein the battery cluster liquid cooling system is connected with the water chiller to exchange heat with the water chiller, and the temperature and humidity control device is connected with the water chiller to exchange heat.
From the above description, the beneficial effects of the utility model are as follows: a temperature and humidity control system of a battery compartment controls the temperature and humidity of the working environment of the battery system by arranging a temperature and humidity control device, and reduces the cost by enabling the temperature and humidity control device and a battery cluster liquid cooling system to share a water chilling unit.
Further, the water chilling unit comprises a heat exchanger, an expansion valve, a compressor, a condenser and an expansion valve, the temperature and humidity control device comprises an electromagnetic valve and an evaporator, a liquid outlet end of a cold end of the heat exchanger is connected with a liquid inlet end of the cold end through a battery cluster liquid cooling device and a water pump, a liquid outlet end of a hot end of the heat exchanger is connected with a liquid inlet end of the hot end through the compressor, the condenser and the expansion valve, and a liquid outlet end of the hot end is connected with a liquid inlet end of the hot end through the electromagnetic valve and the evaporator.
From the above description, it can be seen that the temperature and humidity control device and the battery cluster liquid cooling system share the water chiller so as to reduce the cost.
Further, the battery cluster liquid cooling system is located in the battery compartment, the temperature and humidity control device is located outside the battery compartment, the temperature and humidity control device comprises an air delivery duct and an air return duct, one end of the air delivery duct is connected with the battery compartment, the other end of the air delivery duct is connected with an evaporator of the temperature and humidity control device, one end of the air return duct is connected with the battery compartment, and the other end of the air return duct is connected with the evaporator of the temperature and humidity control device.
From the above description, the air supply mode of the air duct can control the air supply quantity by controlling the size of the air duct and the wind resistance so as to control the temperature and the humidity more accurately.
Further, the volume of the battery compartment is 8-15m < 3 >, and the air supply flow and the return air flow are 600-1000m/h.
As is clear from the above description, the battery compartment of 8-15m is kept stable for about 0.5-1 h, the air temperature is controlled at 20+ -3deg.C, and the relative humidity is controlled at 50+ -10%.
Further, the wind resistance of the air duct and the air return duct is 200-250pa, the width of the air supply duct is 250-400mm, the height of the air supply duct is 60-120mm, the width of the air return duct is 250-400mm, and the height of the air return duct is 150-350mm.
From the above description, the control ensures that the supply air flow rate and the return air flow rate are 600-1000m/h.
Further, the evaporator is provided with an internal circulation explosion-proof fan.
From the above description, it can be seen that the heat exchange speed of the evaporator is increased.
Further, the condenser has a condensing fan.
From the above description, it is known that the heat exchange speed of the condenser is increased.
The utility model is used for controlling the temperature and humidity in the battery compartment of the energy storage system.
Referring to fig. 1-6, a first embodiment of the present utility model is as follows:
referring to fig. 1, a temperature and humidity control system of a battery compartment 4 includes a water chiller 2 and a temperature and humidity control device 3 in an equipment compartment 1, and a battery cluster liquid cooling pipeline in the battery compartment 4, wherein the water chiller 2 is connected with the temperature and humidity control device 3 through a connection copper pipe 31.
Fig. 2 is a schematic diagram of the working principle of a battery compartment temperature and humidity control system according to the present embodiment, where the first loop includes a heat exchanger 109, a water pump 102, and a battery cluster liquid cooling pipeline; the second circuit comprises a heat exchanger 109, an expansion valve 108, a compressor 103, a condenser 104; the third circuit comprises a heat exchanger 109, a solenoid valve 101 and an evaporator 106. The first, second and third circuits share a heat exchanger 109. Specifically, a first liquid outlet end of the heat exchanger 109 is connected to a first liquid inlet end through a battery cluster liquid cooling pipeline and the water pump 102, a second liquid outlet end of the heat exchanger 109 is connected to a second liquid inlet end through the compressor 103, the condenser 104 and the expansion valve 108, and the second liquid outlet end is connected to the second liquid inlet end through the electromagnetic valve 101 and the evaporator 106. The heat exchanger 109, the expansion valve 108, the compressor 103, the condenser 104, and the water pump 102 are disposed in the chiller 2, and the solenoid valve 101 and the evaporator 106 are disposed in the temperature and humidity control apparatus 3. The battery cluster liquid cooling pipeline 5, the water pump 102 and the heat exchanger 109 are liquid cooling loops of the battery cluster; the heat exchanger 109, the solenoid valve 101, and the evaporator 106 control the temperature and humidity in a temperature and humidity loop. The heat exchanger 109, the expansion valve 108, the compressor 103 and the condenser 104 form a refrigerant loop, and when the refrigerant passing through the outlet of the compressor 103 flows through the condenser 104, vaporization phenomenon and heat release occur; after throttling by the expansion valve 108, liquefaction occurs, absorbs heat, takes away heat of cooling liquid in the heat exchanger, and achieves cooling of the cooling liquid.
The condenser 104 has a condensing fan 105 to increase the heat exchanging speed of the condenser 104, and the evaporator 106 has an inner circulation explosion-proof fan 107 for accelerating the heat exchanging speed of the evaporator 106.
Referring to fig. 3-4, the battery cluster liquid cooling pipeline 5 has a liquid cooling main pipeline 51 and a plurality of liquid cooling electric cabinet pipelines 52, the liquid cooling main pipeline 51 is connected with the water chiller 2 to obtain cooled cooling liquid, the cooling liquid is sent into the battery cluster through the plurality of liquid cooling electric cabinet pipelines 52, and the cooling liquid flowing from the battery cluster flows back to the liquid cooling main pipeline 51 through the plurality of liquid cooling electric cabinet pipelines 52 to be sent into the water chiller 2 for heat exchange and cooling.
Referring to fig. 5, the temperature and humidity control device 3 has a height of 600-800mm, a width of 350-500mm, a depth of 200-400mm, a device air supply opening 36 with a width of 250-400mm and a height of 60-120mm, and a device air return opening 37 with a width of 250-400mm and a height of 150-350mm.
Referring to fig. 4-5, the air after heat exchange of the evaporator of the temperature and humidity control device 3 is sent to the air duct air supply opening 32 through the device air supply opening 36, is sent to the air duct air return opening 35 through the air duct 33 through the liquid cooling main pipeline 51 and the liquid cooling electric cabinet pipeline 52, and is sent to the device through the air return opening 34 to exchange heat with the evaporator through the device air return opening 37, in this embodiment, the air resistance of the air duct air supply opening 33 and the air return opening 34 is controlled to be 200-250pa, the width of the air duct air supply opening 32 is 250-400mm, the height is 60-120mm, the width of the air duct air return opening 35 is 250-400mm, and the height is 150-350mm, so that the air supply flow and the return flow are ensured to be 600-1000m/h, the battery compartment 4 with the air temperature controlled to be 20+/-3 ℃ and the relative humidity controlled to be 50+/-10% in about 0.5-1 h, and the condensed water in the electric cabinet pipeline can be ensured not to be separated out, and the safety in the battery compartment 4 can be ensured.
Referring to fig. 6, when the temperature and humidity control system works, the working mode is divided into three gears, and according to the real-time temperature and humidity of the battery compartment 4, which gear of working mode is started is determined, specifically:
when the battery compartment 4 meets the high-humidity state, namely the temperature in the compartment is higher than 40 ℃ and the humidity is higher than 85%, the temperature and humidity control system is controlled to enter the high-power consumption state, the opening of the electromagnetic valve is set to be 100%, and the rotating speed of the internal circulation explosion-proof fan is controlled to be 90%.
When the battery compartment 4 does not meet the high-humidity state but meets the medium-humidity state, namely the temperature in the compartment is more than 30 ℃ or the humidity is more than 75%, the temperature and humidity control system is controlled to enter the medium-power consumption state, the opening of the electromagnetic valve is set to be 60%, and the rotating speed of the internal circulation explosion-proof fan is controlled to be 65%.
When the battery compartment 4 does not meet the medium-humidity state but meets the low-humidity state, namely the temperature in the compartment is more than 25 ℃ or the humidity is more than 60%, the temperature and humidity control system is controlled to enter a low-power consumption state, the opening of the electromagnetic valve is set to be 30%, and the rotating speed of the internal circulation explosion-proof fan is controlled to be 30%.
When the battery compartment 4 meets the closing condition, namely the temperature in the compartment is less than 20 ℃ and the humidity is less than 50%, the temperature and humidity control system is controlled to enter a closing state, and the electromagnetic valve and the internal circulation explosion-proof fan are closed.
In summary, according to the battery compartment temperature and humidity control system provided by the utility model, the temperature and humidity control device and the water chilling unit are arranged outside the battery compartment, and the temperature and humidity of the working environment of the battery system are controlled by arranging the temperature and humidity control device, so that condensed water is prevented from being generated or attached to the outer walls of the liquid cooling main pipeline, the electric cabinet pipeline and the electric box pipeline; in addition, the cost of a set of compressors, condensers, condensing fans and the like is saved by combining the battery pack liquid cooling loop, the temperature and humidity control device and the water chilling unit, and the cost of a temperature and humidity control system can be reduced by 30-40%.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.
Claims (10)
1. The battery compartment temperature and humidity control system is characterized by comprising a battery cluster liquid cooling pipeline, a temperature and humidity control device and a water chilling unit, wherein the temperature and humidity control device and the water chilling unit are arranged outside the battery compartment, and the battery cluster liquid cooling pipeline is arranged in the battery compartment; the battery cluster liquid cooling pipeline is connected with the water chilling unit to exchange heat with the water chilling unit, and the temperature and humidity control device is connected with the water chilling unit to exchange heat.
2. The battery compartment temperature and humidity control system of claim 1 comprising three circuits, a first circuit comprising a heat exchanger, a water pump, and the battery cluster liquid cooling circuit; the second loop comprises a heat exchanger, an expansion valve, a compressor and a condenser; the third circuit comprises a heat exchanger, a solenoid valve and an evaporator.
3. The battery compartment temperature and humidity control system of claim 2 wherein the heat exchanger, the expansion valve, the compressor, the condenser, and the water pump are disposed in a chiller; the electromagnetic valve and the evaporator are arranged in the temperature and humidity control device; the first liquid outlet end of the heat exchanger is connected with the first liquid inlet end through the battery cluster liquid cooling pipeline and the water pump, the second liquid outlet end of the heat exchanger is connected with the second liquid inlet end through the compressor, the condenser and the expansion valve, and the second liquid outlet end is connected with the second liquid inlet end through the electromagnetic valve and the evaporator.
4. The battery compartment temperature and humidity control system according to claim 3, wherein the water chilling unit is connected with the temperature and humidity control device through a connecting copper pipe.
5. The battery compartment temperature and humidity control system according to claim 3, wherein the battery cluster liquid cooling pipeline comprises a liquid cooling main pipeline and a plurality of liquid cooling cabinet pipelines, the liquid cooling main pipeline is connected with the water chilling unit to obtain cooled cooling liquid, the cooling liquid is sent into the battery cluster through the plurality of liquid cooling cabinet pipelines, and the cooling liquid flowing out of the battery cluster flows back to the liquid cooling main pipeline through the plurality of liquid cooling cabinet pipelines to be sent into the water chilling unit for heat exchange and cooling.
6. A battery compartment climate control system according to claim 3, wherein,
the temperature and humidity control device comprises a device air supply outlet and a device air return outlet, an air supply channel and an air return channel are arranged in the battery compartment, the air supply channel comprises an air supply channel air supply outlet and corresponds to the device air supply outlet, and the air return channel comprises an air return channel air return outlet and corresponds to the device air return outlet.
7. The battery compartment temperature and humidity control system according to claim 6, wherein the volume of the battery compartment is 8-15m3, and the air supply flow and the return air flow are 600-1000m3/h.
8. The battery compartment temperature and humidity control system according to claim 7, wherein the wind resistance of the air duct and the air return duct is 200-250pa, the width of the air supply opening of the device is 250-400mm, the height of the air supply opening of the device is 60-120mm, the width of the air return opening of the device is 250-400mm, and the height of the air return opening of the device is 150-350mm.
9. The battery compartment climate control system of claim 2, wherein the evaporator comprises an internal circulation explosion-proof blower.
10. The battery compartment climate control system of claim 2, wherein the condenser comprises a condensing fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222551384.9U CN219066925U (en) | 2022-09-26 | 2022-09-26 | Battery compartment temperature and humidity control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222551384.9U CN219066925U (en) | 2022-09-26 | 2022-09-26 | Battery compartment temperature and humidity control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219066925U true CN219066925U (en) | 2023-05-23 |
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ID=86364188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222551384.9U Active CN219066925U (en) | 2022-09-26 | 2022-09-26 | Battery compartment temperature and humidity control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219066925U (en) |
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2022
- 2022-09-26 CN CN202222551384.9U patent/CN219066925U/en active Active
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