CN220774503U - Energy storage liquid cooling system - Google Patents
Energy storage liquid cooling system Download PDFInfo
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- CN220774503U CN220774503U CN202322426362.4U CN202322426362U CN220774503U CN 220774503 U CN220774503 U CN 220774503U CN 202322426362 U CN202322426362 U CN 202322426362U CN 220774503 U CN220774503 U CN 220774503U
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- energy storage
- pipeline
- refrigerant
- liquid
- cooling
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- 238000001816 cooling Methods 0.000 title claims abstract description 58
- 238000004146 energy storage Methods 0.000 title claims abstract description 47
- 239000007788 liquid Substances 0.000 title claims abstract description 33
- 239000003507 refrigerant Substances 0.000 claims abstract description 60
- 239000000110 cooling liquid Substances 0.000 claims abstract description 45
- 230000017525 heat dissipation Effects 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000002826 coolant Substances 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 33
- 239000007864 aqueous solution Substances 0.000 description 16
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 15
- 238000004378 air conditioning Methods 0.000 description 6
- 238000005057 refrigeration Methods 0.000 description 6
- 230000005855 radiation Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Other Air-Conditioning Systems (AREA)
Abstract
The utility model relates to the technical field of energy storage and liquid cooling systems, and discloses an energy storage and liquid cooling system.A compressor outlet A is connected with an inlet B of a refrigerant heat dissipation condenser through a pipeline, a refrigerant inlet F of a plate heat exchanger is connected with an outlet C of the refrigerant heat dissipation condenser through a pipeline, and a refrigerant outlet G of the plate heat exchanger is connected with an inlet H of the compressor through a pipeline; in a refrigerating season, the energy storage cooling system circulates refrigerating water, when the temperature of the energy storage cooling system is not high in an excessive season or the environment, the compressors of the energy storage cooling system are closed, the first electric three-way ball valves and the second electric three-way valves of the L1-L11 and L6-L14 cooling liquid are opened, the water discharged by the circulating water pump is bypassed to the cooling liquid radiator, and the heat dissipation of the battery is more energy-saving through the outdoor natural cold source; the running efficiency of the air conditioner cooling system of the energy storage battery is improved, the heat emitted by the new energy storage battery is effectively discharged and cooled, the stable and reliable operation of the battery is ensured, the service life of the battery is prolonged, and the battery has good consistency, small internal resistance and excellent charge and discharge performance.
Description
Technical Field
The utility model relates to the technical field of energy storage liquid cooling systems, in particular to an energy storage liquid cooling system.
Background
The surface temperature of the general new energy battery is constant at 20-25 ℃ and is beneficial to the service life of the battery, the conventional battery cooling system is complex, the battery is mainly cooled by using cold air (air cooling) or cold water (liquid cooling) generated by compression refrigeration of a compressor of an air conditioning system, the power consumption is high, the energy is not saved, the air conditioning system is not stopped for continuous operation in different seasons, and the service life requirement of equipment is high.
Disclosure of Invention
The utility model aims to provide an energy storage liquid cooling system, which aims to solve the problems that in the background technology, the surface temperature of a general new energy battery is set to be constant at 20-25 ℃ and is beneficial to the service life of the battery, the conventional battery cooling system is complex, the battery is mainly cooled by using cold air (air cooling) or cold water (liquid cooling) generated by compression refrigeration of a compressor of an air conditioning system, the power consumption is high, the energy is not saved very, the air conditioning system is not stopped continuously in different seasons, and the service life requirement of equipment is high.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an energy storage liquid cooling system, includes the compressor, the export A of compressor has the entry B of refrigerant heat dissipation condenser through the pipe connection, the export C of refrigerant heat dissipation condenser has the refrigerant entry F of plate heat exchanger through the pipe connection, the refrigerant export G of plate heat exchanger has the entry H of compressor through the pipe connection, the coolant outlet L4 of plate heat exchanger has the L5 end of second electronic three-way valve through the pipe connection, the L6 end of second electronic three-way valve has the L7 end of energy storage subassembly through the pipe connection, the L8 end of energy storage subassembly has the entry L9 of circulating water pump through the pipe connection, the export L10 of circulating water pump has the L1 end of first electronic three-way valve through the pipe connection, the L2 end of first electronic three-way valve has the coolant inlet L3 of plate heat exchanger through the pipe connection.
Further preferred as the technical scheme is that: the L11 end of the first electric three-way valve is connected with an inlet L12 of a cooling liquid radiator through a pipeline, and an outlet L13 of the cooling liquid radiator is connected with the L14 end of the second electric three-way valve through a pipeline.
Further preferred as the technical scheme is that: an electronic expansion valve is arranged on a pipeline between an outlet C of the refrigerant heat dissipation condenser and a refrigerant inlet F of the plate heat exchanger, the outlet C of the refrigerant heat dissipation condenser is connected to an inlet D of the electronic expansion valve through a pipeline, and an outlet E of the electronic expansion valve is connected to the refrigerant inlet F of the plate heat exchanger through a pipeline.
Further preferred as the technical scheme is that: and a cooling fan is arranged at one side of the refrigerant cooling condenser.
Further preferred as the technical scheme is that: the energy storage assembly comprises a plurality of energy storage modules, a plurality of liquid cooling heat exchange plates and batteries are arranged in the energy storage modules, and the liquid cooling heat exchange plates are mutually communicated.
Further preferred as the technical scheme is that: the refrigerant inlet F of the plate heat exchanger is communicated with the refrigerant outlet G, and the cooling liquid inlet L3 of the plate heat exchanger is communicated with the cooling liquid outlet L4.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, in a refrigerating season, the energy storage cooling system circulates refrigerating water, when the temperature of the energy storage cooling system is not high in an excessive season or in an environment, the compressors of the energy storage cooling system are closed, the first electric three-way ball valve and the second electric three-way valve of the L1-L11 and L6-L14 cooling liquid are opened, the water discharged by the circulating water pump is bypassed to the cooling liquid radiator, and the heat dissipation of the battery is more energy-saving through an outdoor natural cold source; the running efficiency of the air conditioner cooling system of the energy storage battery is improved, the heat emitted by the new energy storage battery is effectively discharged and cooled, the stable and reliable operation of the battery is ensured, the service life of the battery is prolonged, and the battery has good consistency, small internal resistance and excellent charge and discharge performance.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an energy storage cooling system according to the present utility model.
Reference numerals illustrate: 1. a compressor; 3. a heat radiation fan; 4. a refrigerant heat-dissipating condenser; 5. an electronic expansion valve; 6. a coolant radiator; 7. a plate heat exchanger; 8. a first electric three-way valve; 9. a second electric three-way valve; 10. a circulating water pump; 11. an energy storage assembly; 12. an energy storage module; 13. liquid cooling heat exchange plate; 14. and a battery.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the scope of the present disclosure, since any structural modifications, proportional changes, or dimensional adjustments made by those skilled in the art should not be made in the present disclosure without affecting the efficacy or achievement of the present disclosure.
Examples
In the prior art, the constant surface temperature of a general new energy battery is beneficial to the service life of the battery at 20-25 ℃, the conventional battery cooling system is complex, the battery is mainly cooled by using cold air (air cooling) or cold water (liquid cooling) generated by compression refrigeration of a compressor of an air conditioning system, the power consumption is high, the energy is not saved, the air conditioning system does not stop continuously in different seasons, and the service life requirement of equipment is high.
Referring to fig. 1, the present utility model provides a technical solution: an energy storage liquid cooling system comprises a compressor 1, wherein an outlet A of the compressor 1 is connected with an inlet B of a refrigerant heat dissipation condenser 4 through a pipeline, an outlet C of the refrigerant heat dissipation condenser 4 is connected with a refrigerant inlet F of a plate heat exchanger 7 through a pipeline, a refrigerant outlet G of the plate heat exchanger 7 is connected with an inlet H of the compressor 1 through a pipeline, a cooling liquid outlet L4 of the plate heat exchanger 7 is connected with an L5 end of a second electric three-way valve 9 through a pipeline, an L6 end of the second electric three-way valve 9 is connected with an L7 end of an energy storage component 11 through a pipeline, an L8 end of the energy storage component 11 is connected with an inlet L9 of a circulating water pump 10 through a pipeline, an outlet L10 of the circulating water pump 10 is connected with an L1 end of a first electric three-way valve 8 through a pipeline, an L2 end of the first electric three-way valve 8 is connected with a cooling liquid inlet L3 of the plate heat exchanger 7 through a pipeline, one side of the refrigerant heat dissipation condenser 4 is provided with a heat dissipation fan 3, and an electronic expansion valve 5 is arranged on a pipeline between the outlet C of the refrigerant heat dissipation condenser 4 and the refrigerant inlet F of the plate heat exchanger 7;
when the ambient temperature is higher than H ℃, the refrigerant is discharged from an outlet A of the compressor 1 to be high-temperature and high-pressure refrigerant gas, the high-temperature and high-pressure refrigerant gas enters a refrigerant heat dissipation condenser 4 (forced convection heat dissipation of a heat dissipation fan) through an inlet B after passing through a pipeline, the heat dissipation fan 3 is forced to perform convection heat exchange, the liquid refrigerant condensed from an outlet C flows through an electronic expansion valve 5 through an inlet D to be throttled and depressurized into a low-temperature low-pressure liquid refrigerant, the low-temperature low-pressure liquid refrigerant from an outlet E flows into a plate heat exchanger 7 (an evaporator) through an inlet F, the refrigerant exchanges heat with cooling liquid (50% ethylene glycol aqueous solution) in the plate heat exchanger 7 (the evaporator) to be evaporated into gas, so that the temperature of the cooling liquid is reduced, and the low-temperature gas refrigerant from the outlet G enters the compressor 1 through the inlet H to be sucked and compressed by the compressor 1 after passing through the pipeline, and the refrigeration cycle of the refrigerant in the pipeline is completed.
The end L11 of the first electric three-way valve 8 is connected with an inlet L12 of the cooling liquid radiator 6 through a pipeline, an outlet L13 of the cooling liquid radiator 6 is connected with an end L14 of the second electric three-way valve 9 through a pipeline, an outlet C of the refrigerant heat dissipation condenser 4 is connected with an inlet D of the electronic expansion valve 5 through a pipeline, an outlet E of the electronic expansion valve 5 is connected with a refrigerant inlet F of the plate heat exchanger 7 through a pipeline, the energy storage assembly 11 comprises a plurality of energy storage modules 12, liquid cooling heat exchange plates 13 and batteries 14 are arranged in the plurality of energy storage modules 12, the plurality of liquid cooling heat exchange plates 13 are mutually communicated, the refrigerant inlet F of the plate heat exchanger 7 is communicated with a refrigerant outlet G, and the cooling liquid inlet L3 of the plate heat exchanger 7 is communicated with the cooling liquid outlet L4;
when the environment temperature is lower (the temperature is lower than H ℃), the compressor 1 of the energy storage cooling system is closed, low-temperature cooling liquid (50% glycol aqueous solution) from the L13 flows into the liquid cooling heat exchange plates 13 of the energy storage modules 12 through the L6 port after passing through the L149 of the electric ball valve, a plurality of batteries are cooled respectively, the cooling liquid (50% glycol aqueous solution) absorbs the surface heat of the plurality of batteries 14 inside the plurality of liquid cooling heat exchange plates 13, the surface temperature of the batteries 14 is reduced, the cooling liquid (50% glycol aqueous solution) after absorbing the heat flows out through the L8, high-temperature cooling liquid (50% glycol aqueous solution) from the outlet of the L8 flows out through the L10 after being pressurized by the circulating water pump 10 after passing through the L9, and high-temperature cooling liquid (50% glycol aqueous solution) from the L10 port enters the cooling liquid radiator 6 through the L11 port after passing through the L11 port of the electric ball valve 8, and is cooled further and circulated back and forth, so that the plurality of batteries 14 are cooled. The heat radiation fan 3 assists convection heat radiation (namely, the natural cooling process of cooling liquid), and the refrigerant refrigerating system components such as a compressor and the like do not participate in working, so that independent cooling liquid (50% glycol aqueous solution) is circulated. The electric three-way ball valves of the cooling liquid of L1-L11 and L6-L14 are opened, the water discharged by the circulating water pump 10 is bypassed to the cooling liquid radiator 6, and the heat of the battery pack is dissipated through an outdoor natural cold source, so that the purpose of energy saving is achieved. The (50% glycol aqueous solution) absorbs the heat of the surface of the battery pack at the liquid cooling heat exchange plate 13, the surface temperature of the battery pack is reduced, the operation is stable, and the efficiency and the energy conservation are realized.
In a refrigerating season, the energy storage cooling system circulates chilled water, when the excessive season or the ambient temperature is low, the energy storage cooling system compressor 1 is closed, the first electric three-way ball valve 8 and the second electric three-way valve 9 of the L1-L11 and L6-L14 cooling liquid are opened, the water discharged by the circulating water pump 10 is bypassed to the cooling liquid radiator 6, and the heat dissipation of the battery 14 is more energy-saving through an outdoor natural cold source; the operation efficiency of the air conditioner cooling system of the energy storage battery is improved, the heat emitted by the new energy storage battery is effectively discharged and cooled, the stable and reliable operation of the battery 14 is ensured, the service life of the battery 14 is prolonged, and the battery 14 has good consistency, small internal resistance and excellent charge and discharge performance.
The working principle or the structure principle is that when the energy storage cooling system is at the refrigeration working environment temperature (the temperature is higher than H ℃), the refrigerant discharges high-temperature and high-pressure refrigerant gas through the outlet A of the compressor 1, the high-temperature and high-pressure refrigerant gas enters the refrigerant heat dissipation condenser 4 (the heat dissipation fan is forced to perform convection heat dissipation) through the inlet B after passing through the pipeline, the heat dissipation fan 3 is forced to perform convection heat exchange, the liquid refrigerant condensed from the outlet C flows through the electronic expansion valve 5 through the inlet D to be throttled and depressurized into low-temperature and low-pressure liquid refrigerant, the low-temperature and low-pressure liquid refrigerant from the outlet E flows into the plate heat exchanger 7 (the evaporator) through the inlet F, and the refrigerant exchanges heat with the cooling liquid (50% glycol aqueous solution) in the plate heat exchanger 7 (the evaporator) to be evaporated into gas, so that the temperature of the cooling liquid is lowered, and the low-temperature gas refrigerant from the outlet enters the compressor 1 through the H inlet after passing through the pipeline to be sucked into the compressor 1 for compression by the compressor 1, and the refrigeration cycle of the refrigerant in the pipeline is completed.
When the environment temperature is lower (the temperature is lower than H ℃), the compressor 1 of the energy storage cooling system is closed, low-temperature cooling liquid (50% glycol aqueous solution) from the L13 flows into the liquid cooling heat exchange plates 13 of the energy storage modules 12 through the L6 port after passing through the L149 of the electric ball valve, a plurality of batteries are cooled respectively, the cooling liquid (50% glycol aqueous solution) absorbs the surface heat of the plurality of batteries 14 inside the plurality of liquid cooling heat exchange plates 13, the surface temperature of the batteries 14 is reduced, the cooling liquid (50% glycol aqueous solution) after absorbing the heat flows out through the L8, high-temperature cooling liquid (50% glycol aqueous solution) from the outlet of the L8 flows out through the L10 after being pressurized by the circulating water pump 10 after passing through the L9, and high-temperature cooling liquid (50% glycol aqueous solution) from the L10 port enters the cooling liquid radiator 6 through the L11 port after passing through the L11 port of the electric ball valve 8, and is cooled further and circulated back and forth, so that the plurality of batteries 14 are cooled. The heat radiation fan 3 assists convection heat radiation (namely, the natural cooling process of cooling liquid), and the refrigerant refrigerating system components such as a compressor and the like do not participate in working, so that independent cooling liquid (50% glycol aqueous solution) is circulated. The electric three-way ball valves of the cooling liquid of L1-L11 and L6-L14 are opened, the water discharged by the circulating water pump 10 is bypassed to the cooling liquid radiator 6, and the heat of the battery pack is dissipated through an outdoor natural cold source, so that the purpose of energy saving is achieved. The (50% glycol aqueous solution) absorbs the heat of the surface of the battery pack at the liquid cooling heat exchange plate 13, the surface temperature of the battery pack is reduced, the operation is stable, and the efficiency and the energy conservation are realized.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An energy storage liquid cooling system, includes compressor (1), its characterized in that: an outlet A of the compressor (1) is connected with an inlet B of a refrigerant heat dissipation condenser (4) through a pipeline, an outlet C of the refrigerant heat dissipation condenser (4) is connected with a refrigerant inlet F of a plate heat exchanger (7) through a pipeline, a refrigerant outlet G of the plate heat exchanger (7) is connected with an inlet H of the compressor (1) through a pipeline, a cooling liquid outlet L4 of the plate heat exchanger (7) is connected with an L5 end of a second electric three-way valve (9) through a pipeline, the L6 end of second electronic three-way valve (9) is connected with the L7 end of energy storage subassembly (11) through the pipeline, the L8 end of energy storage subassembly (11) is connected with the entry L9 of circulating water pump (10) through the pipeline, the export L10 of circulating water pump (10) is connected with the L1 end of first electronic three-way valve (8) through the pipeline, the L2 end of first electronic three-way valve (8) is connected with the coolant liquid entry L3 of plate heat exchanger (7) through the pipeline.
2. The energy-storing and liquid-cooling system according to claim 1, wherein: the L11 end of the first electric three-way valve (8) is connected with an inlet L12 of the cooling liquid radiator (6) through a pipeline, and an outlet L13 of the cooling liquid radiator (6) is connected with an L14 end of the second electric three-way valve (9) through a pipeline.
3. The energy-storing and liquid-cooling system according to claim 1, wherein: an electronic expansion valve (5) is arranged on a pipeline between an outlet C of the refrigerant heat dissipation condenser (4) and a refrigerant inlet F of the plate heat exchanger (7), the outlet C of the refrigerant heat dissipation condenser (4) is connected to an inlet D of the electronic expansion valve (5) through a pipeline, and an outlet E of the electronic expansion valve (5) is connected to the refrigerant inlet F of the plate heat exchanger (7) through a pipeline.
4. The energy-storing and liquid-cooling system according to claim 1, wherein: and a cooling fan (3) is arranged at one side of the refrigerant cooling condenser (4).
5. The energy-storing and liquid-cooling system according to claim 1, wherein: the energy storage assembly (11) comprises a plurality of energy storage modules (12), liquid cooling heat exchange plates (13) and batteries (14) are arranged in the energy storage modules (12), and the liquid cooling heat exchange plates (13) are mutually communicated.
6. The energy-storing and liquid-cooling system according to claim 1, wherein: the refrigerant inlet F of the plate heat exchanger (7) is communicated with the refrigerant outlet G, and the cooling liquid inlet L3 of the plate heat exchanger (7) is communicated with the cooling liquid outlet L4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322426362.4U CN220774503U (en) | 2023-09-07 | 2023-09-07 | Energy storage liquid cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322426362.4U CN220774503U (en) | 2023-09-07 | 2023-09-07 | Energy storage liquid cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220774503U true CN220774503U (en) | 2024-04-12 |
Family
ID=90620900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322426362.4U Active CN220774503U (en) | 2023-09-07 | 2023-09-07 | Energy storage liquid cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220774503U (en) |
-
2023
- 2023-09-07 CN CN202322426362.4U patent/CN220774503U/en active Active
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