CN112886093A - Active control type full-immersion liquid cooling power battery thermal management system - Google Patents
Active control type full-immersion liquid cooling power battery thermal management system Download PDFInfo
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- H01M10/63—Control systems
- H01M10/637—Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
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- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
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Abstract
The invention aims to provide an active control type full-immersion liquid-cooled power battery thermal management system, wherein a compressor, a condenser, a refrigeration electromagnetic valve, an expansion valve and an evaporator are connected in series to form a main refrigeration unit of a compressor unit; leading out a manual valve and a liquid spraying electromagnetic valve from a pipeline in front of the refrigeration electromagnetic valve to form a spraying branch; a thermal manual valve and a thermal electromagnetic valve are led out from a pipeline between the compressor and the condenser to the evaporator to form a thermal bypass branch; the first three-way reversing valve and the second three-way reversing valve are connected with the plate heat exchanger and the evaporator and are connected in parallel to form an auxiliary cooling unit of the plate heat exchanger, the first three-way reversing valve is connected with the drying filter and the manual valve to the cooling liquid tank, and the second three-way reversing valve is connected with the electronic circulating pump, the temperature sensor and the flow sensor to the cooling liquid tank. The invention is a direct contact type fully immersed liquid cooling mode, can greatly reduce and improve the heat loss in the heat exchange process of the whole heat management system, reduces the heat exchange thermal resistance of the system and improves the heat exchange efficiency.
Description
Technical Field
The invention relates to a power battery management system.
Background
The power battery, the motor and the electric control technology are used as core 'three-electricity' components of the new energy automobile, and the performance of the power battery, the motor and the electric control technology has a self-evident important influence degree on the whole automobile. Particularly, the current power battery is developing towards high energy density and short charging time, and the high heat yield of the power battery needs to be quickly dissipated by a thermal management system so as to ensure that the whole battery module or battery pack is in a proper working temperature range and the temperature uniformity of the battery at different positions in the system.
The existing power battery thermal management mode mainly comprises the following steps: air cooling, liquid cooling, phase change material cooling and heat pipe cooling. The air-cooled power battery heat management mode is characterized in that the specific heat capacity of air is small, the heat conduction coefficient is low, the heat convection coefficient is small, the heat dissipation time is long, the cooling effect with high charging and discharging multiplying power is poor, the pressure difference between the inlet and the outlet of the whole system is large, the flow field is uneven, and the difference of the cooling conditions among batteries in the battery pack can cause the battery pack to generate large temperature difference and be gradually eliminated by a host factory. The phase-change material has low thermal conductivity, low phase-change latent heat, limited heat exchange amount, additional increase of system volume, heavier mass, greatly reduced mass energy density and volume energy density of the whole heat management system, failure in timely heat dissipation and difficulty in preheating in a phase-change material heat management mode. The heat pipe and the battery have high shape adaptability requirement, complex structure, poor heat exchange performance of the pipe structure, high insulativity requirement, high processing technology requirement and high cost. The phase-change material cooling power battery technology and the heat pipe technology need a certain time from industrial application.
The refrigerant of the liquid cooling power battery heat management mode has the advantages of large specific heat capacity, high heat conductivity, large heat transfer coefficient, thin heat exchange boundary layer, strong heat exchange capacity, integration of heat dissipation and preheating, good temperature uniformity and the like, and is widely applied. The liquid cooling power battery heat management mode mainly comprises a secondary loop liquid cooling mode and a direct contact type liquid cooling mode, the heat exchange thermal resistance of the secondary loop liquid cooling mode is large, the heat loss in the heat exchange process is large, the heat exchange effect is poor, the contact thermal resistance between the power battery and a refrigerant can be greatly reduced by adopting the direct contact immersion type liquid cooling mode, the heat conductivity coefficient of the insulating cooling liquid is high, the heat exchange performance is good, the system energy-saving effect is obvious, the space utilization rate is high, and the liquid cooling power battery heat management mode becomes an exploration hotspot in the technical field of power battery heat management at present.
Disclosure of Invention
The invention aims to provide an active control type full-immersion liquid-cooled power battery thermal management system integrating the functions of heat dissipation and preheating.
The purpose of the invention is realized as follows:
the invention discloses an active control type full-immersion liquid cooling power battery thermal management system which is characterized in that: the system comprises a compressor, a condenser, an evaporator, a plate heat exchanger and a cooling liquid tank, wherein the compressor, the condenser, a refrigeration electromagnetic valve, an expansion valve and the evaporator are connected in series to form a main refrigeration unit of a compressor unit; a manual valve and a liquid spraying electromagnetic valve are led out from a pipeline in front of a refrigeration electromagnetic valve on a main refrigeration unit to form a spraying branch; a thermal manual valve and a thermal electromagnetic valve are led out from a pipeline between the compressor and the condenser to the evaporator to form a thermal bypass branch; the first three-way reversing valve is connected with the plate heat exchanger and the evaporator, the second three-way reversing valve is connected with the plate heat exchanger and the evaporator, so that an auxiliary cooling unit of the plate heat exchanger is formed by connecting the plate heat exchanger and the evaporator in parallel, the first three-way reversing valve is connected with the drying filter and the manual valve to the cooling liquid tank, and the second three-way reversing valve is connected with the electronic circulating pump, the temperature sensor, the flow sensor and the maintenance valve to the cooling liquid tank; the electronic circulating pump is connected with the solid-state frequency converter, and the condenser is connected with a condenser cooling fan and condenser cooling fins; the plate heat exchanger is connected with the radiating fins of the plate heat exchanger to strengthen heat exchange.
The present invention may further comprise:
1. the cooling liquid box comprises a box cylinder and a box cover which are connected with each other, a battery module is fixed at the bottom of the box cylinder through an elastic heat-conducting rubber mat, a stirrer is arranged beside the battery module, a liquid injection funnel, an alarm, a balance pressure release valve and a liquid level meter are mounted on the box cover, the liquid injection funnel is connected with a liquid injection control valve and used for controlling the flow of cooling liquid injected into the cooling liquid box, the liquid level meter is connected with a liquid level switch, a heater in the cooling liquid box is connected with a solid relay, a temperature sensor and a pressure sensor are connected in the cooling liquid box, and the pressure sensor is connected with the; the cooling liquid box is provided with a cooling liquid inlet, a cooling liquid outlet and a wire inlet and outlet, and a guide plate is arranged at the position of a liquid inlet in the cooling liquid box.
2. The battery module generates heat, the compressor, the condenser, the expansion valve and the evaporator are matched for refrigeration, and an insulating refrigerant enters a liquid inlet of the cooling liquid tank through the electronic circulating pump to dissipate heat of the battery; when the battery needs to be heated under a cold working condition, the heater connected with the cooling liquid tank works, and the solid-state relay controls the heating power of the heater to preheat the battery; the battery module is immersed in the insulating refrigerant in the cooling liquid tank, and the stirrer enhances disturbance of the insulating refrigerant in the cooling liquid tank and enhances mixing of the refrigerant.
The invention has the advantages that:
1. according to the invention, the traditional liquid cooling plate is omitted, the traditional secondary loop liquid cooling mode is improved to be a direct contact type full immersion liquid cooling mode, and the power battery is immersed in the cooling liquid tank, so that the heat loss in the heat exchange process of the whole heat management system can be greatly reduced, the heat exchange resistance of the system is reduced, and the heat exchange efficiency is improved.
2. The stirrers are arranged around the cooling liquid tank, so that the disturbance and mixing of refrigerants in the cooling liquid tank can be strengthened, the heat exchange boundary layer is thinned, and the heat exchange effect of the whole heat management system is improved.
3. According to the invention, by arranging the plurality of refrigeration units connected in parallel, the whole system can select a proper refrigeration branch according to the heat generation power of the battery, the energy loss in the operation process of the whole heat management system is reduced, and the energy-saving effect is achieved.
4. The system integrates the heat dissipation and preheating functions of the power battery system into a whole, can realize the active control of a refrigerant, and has a wide application range.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a partial structure diagram of a fully submerged battery liquid cooling unit.
Detailed Description
The invention will now be described in more detail by way of example with reference to the accompanying drawings in which:
with reference to fig. 1-2, the invention provides an active control type fully-immersed liquid-cooled power battery thermal management system, wherein a power battery is directly and completely immersed in a cooling liquid tank, an insulating refrigerant is directly contacted with the power battery, and no liquid-cooled component such as a liquid-cooled plate and the like is arranged in the middle of the system. The direct contact type full immersion type cooling mode can greatly reduce the heat exchange thermal resistance of the heat management system and increase the heat exchange coefficient; meanwhile, the stirrer is adopted to strengthen the turbulent flow of the refrigerant in the cooling liquid tank, so that the heat exchange effect of the whole heat management system can be enhanced.
As shown in fig. 1, the active control type fully-submerged liquid-cooled power battery thermal management system of the present invention includes: the device comprises a battery cell 1, a cooling liquid tank 2, a stirrer 3, an elastic heat-conducting rubber cushion 4, a sewage draining outlet 5, a heater 6, a solid-state relay 7, a temperature sensor 8, a pressure sensor 9, a wire inlet and outlet 10, a guide plate 11, a fixing bolt and a sealing washer 12, a liquid injection control valve 13, a liquid injection funnel 14, an alarm 15, a balance pressure release valve 16, a liquid level meter 17, a liquid level switch 18, a manual valve 19, a drying filter 20a, 20b and 20c, three-way reversing valves 21a and 21b, a low-pressure protector 22, a low-pressure meter 23, a compressor 24, a high-pressure meter 25, a high-pressure protector 26, a condenser cooling fan 27, a condenser 28, a condenser cooling fin 29, manual valves 30a, 30b and 30c, a refrigeration electromagnetic valve 31, an expansion valve 32, a liquid injection electromagnetic valve 33, a thermal electromagnetic valve 34, an evaporator 35, a plate, An electronic circulation pump 39, a temperature sensor 40, a flow sensor 41 and a service valve 42.
When in implementation, the battery cores 1 are connected into the battery module through the conductive bars, the elastic heat-conducting rubber mat 4 is used for fixing the battery module at the bottom of the cooling liquid box 2, and the bottom of the cooling liquid box 2 is connected with the drain outlet 5. The cooling liquid box 2 consists of a box cylinder and a box cover, the box cylinder and the box cover are connected with a sealing washer 12 through fixing bolts, and a liquid injection funnel 14, an alarm 15, a balance pressure release valve 16 and a liquid level meter 17 penetrate through the box cover and are connected into the cooling liquid box 2. The liquid injection control valve 13 is connected with the liquid injection funnel 14 to control the flow of the cooling liquid injected into the cooling liquid tank 2, the liquid level meter 17 is connected with the liquid level switch 18, the heater 6 in the cooling liquid tank 2 is connected with the solid-state relay 7, the temperature sensor 8 and the pressure sensor 9 are connected in the cooling liquid tank 2, and the pressure sensor 9 is connected with the alarm 15 and the balance pressure release valve 16. The cooling liquid box 2 is provided with a cooling liquid inlet, a cooling liquid outlet and a wire inlet and outlet 10, the stirrer 3 is arranged around the cooling liquid box 2, and the guide plate 11 is connected to the position of the liquid inlet in the cooling liquid box 2. The compressor 24, the condenser 28, the refrigeration solenoid valve 31, the expansion valve 32, and the evaporator 35 are connected in series as a compressor unit main refrigeration unit. A manual valve 30b and a liquid spraying electromagnetic valve 33 are led out from a pipeline in front of a refrigeration electromagnetic valve 31 on the main refrigeration unit to form a spraying branch. A thermal manual valve 30c and a thermal solenoid valve 34 lead from the line between the compressor 24 and the condenser 28 to the evaporator 35, forming a thermal bypass branch. The plate heat exchanger 36 and the evaporator 35 are connected through three-way reversing valves 21a and 21b and are connected in parallel to form a plate heat exchanger secondary cooling unit. The other side of the three-way reversing valve 21a is connected with the drying filter 20a and the manual valve 19 to the cooling liquid tank 2, the other side of the three-way reversing valve 21b is connected with the electronic circulating pump 39, the temperature sensor 40, the flow sensor 41 and the maintenance valve 42 to the cooling liquid tank 2, and the electronic circulating pump 39 is connected with the solid-state frequency converter 38. The condenser 28 is connected with a condenser radiating fan 27 and a condenser radiating fin 29; the plate heat exchanger 36 is connected with plate heat exchanger radiating fins 37 to strengthen heat exchange.
In this embodiment, the during operation of system, battery module heat production that a plurality of electricity core 1 connects through leading electrical drainage, and compressor 24, condenser 28, expansion valve 32 and evaporimeter 35 cooperation refrigerate, and insulating refrigerant passes through electronic circulation pump 39 and gets into cooling liquid case 2 inlet, gives the battery heat dissipation. When the battery needs to be heated under the cold working condition, the heater 6 connected with the cooling liquid tank 2 works, and the solid-state relay controls the heating power of the heater 6 to preheat the battery. In the whole heat management process of the power battery, the power battery is directly and completely immersed in the insulating refrigerant in the cooling liquid tank 2, and the stirrer 3 can enhance the disturbance of the insulating refrigerant in the cooling liquid tank 2 and enhance the mixing of the refrigerant; and the system can select a proper refrigeration branch to operate according to the heat generation power of the battery, so that the energy consumption is reduced.
The power battery is completely immersed in the insulating refrigerant, and the stirrer is arranged to strengthen turbulent flow; and the design of multiple refrigeration branches can realize that the refrigeration branch with proper power is selected according to the heat generated by the battery, and the system integrates the functions of heat dissipation and preheating. The invention can greatly reduce the heat exchange contact thermal resistance of the whole power battery heat management system, improve the heat exchange coefficient, enhance the heat exchange effect, save energy and reduce consumption, and has great significance for improving the development of the related technology of the safety, the dynamic property and the economy of new energy automobiles.
The invention discloses an active control type full-immersion liquid-cooled power battery heat management system which comprises a full-immersion battery liquid cooling unit, a compressor unit main refrigerating unit, a plate type heat exchanger auxiliary cooling unit and a circulating liquid cooling connecting unit. The fully-immersed battery liquid cooling unit comprises a battery module formed by connecting a plurality of conductive bars with a plurality of battery cells, an elastic heat-conducting rubber pad, a cooling liquid tank, a stirrer, a liquid level meter, a liquid level switch, a balance pressure release valve, an alarm, a liquid injection funnel, a control valve, a guide plate, a heater, a solid-state relay, a pressure sensor, a temperature sensor, a drain outlet, a fixing bolt and a sealing gasket; arranging an elastic heat-conducting rubber pad to fix the battery module at the bottom of the cooling liquid tank; a heater, a pressure sensor and a temperature sensor are arranged in the cooling liquid tank, and the heater is connected with the solid-state relay; the top of the cooling liquid tank is provided with a liquid level meter, a balance pressure relief valve, an alarm and a liquid injection funnel, the liquid level meter is connected with a liquid level switch, the balance pressure relief valve and the alarm are both connected with a pressure sensor, and the liquid injection funnel is provided with a control valve; a guide plate is arranged at a coolant inlet in the coolant tank, and stirrers are arranged around the coolant tank. For the battery cells with bolt holes on the positive and negative electrode lugs, connecting a plurality of battery cells into a battery module through a connecting row, and arranging through holes matched with the bolt hole diameters of the electrode lugs on the connecting row; for the battery cell without bolt holes on the positive and negative electrode lugs, welding the connecting bar and the battery cell lugs into a battery module by a laser welding technology; when the battery cell is grouped with the battery cell, a proper amount of heat-conducting silicone grease is smeared on the contact surface so as to reduce the contact thermal resistance.
The cooling liquid box consists of a box cylinder and a box upper cover, bolt holes are formed in the periphery of the box cylinder, the box cylinder is connected with the box upper cover through bolts, and the box cylinder and the box upper cover are sealed through a sealing gasket; the cooling liquid box is provided with a cooling liquid inlet and a cooling liquid outlet which are respectively connected with the pipeline of the circulating liquid cooling connecting unit; the right side of the cooling liquid box is provided with a wire inlet and outlet, the bottom of the cooling liquid box is provided with a drain outlet, and the cooling liquid box adopts double-layer rubber and plastic heat preservation and heat insulation. The main refrigeration unit of the compressor unit adopts a mode of combining a refrigeration cycle, a thermal bypass and a hydrojet cooling loop, the refrigeration cycle is formed by connecting a compressor, a condenser, a drying filter, a manual valve, a refrigeration electromagnetic valve, an expansion valve and an evaporator in series, and the condenser is provided with a cooling fan and cooling fins; a low-pressure meter and a low-pressure protector are arranged on a pipeline between the compressor and the evaporator, and a high-pressure meter and a high-pressure protector are arranged on a pipeline between the compressor and the condenser; a thermal manual valve and a thermal electromagnetic valve are led out from one side of a high pressure gauge of the compressor and connected to a refrigeration circulating pipe on the evaporator to form a thermal bypass loop; the manual liquid spraying valve and the electromagnetic liquid spraying valve are led out from the front of the refrigeration electromagnetic valve on the refrigeration cycle to form a liquid spraying cooling loop, and the liquid spraying cooling loop is connected with the refrigeration cycle loop in parallel.
The plate heat exchanger auxiliary cooling unit comprises two three-way reversing valves, a plate heat exchanger and plate heat exchanger radiating fins, the three-way reversing valves are connected with the evaporator, the plate heat exchanger and the cooling liquid tank, and the compressor unit main refrigeration unit and the plate heat exchanger auxiliary cooling unit are connected in parallel. The external circulation liquid cooling unit comprises an electronic circulation pump, a solid-state frequency converter, a temperature sensor, a flow sensor, a drying filter and an overhaul valve, wherein the drying filter and a manual valve are connected to a liquid inlet of the cooling liquid tank through a three-way reversing valve, the electronic circulation pump, the temperature sensor, the flow sensor, the overhaul valve and the drying filter are connected in series through the other three-way reversing valve and connected to a liquid outlet of the cooling liquid tank, and the electronic circulation pump is connected with the solid-state frequency converter; the pipeline connection adopts quick connector and clamp cooperation, increases to set up the check valve and prevents the coolant liquid backward flow.
The invention aims to provide an active control type fully-immersed liquid-cooled power battery heat management system, which is formed by directly contacting a power battery with an insulating refrigerant, completely immersing the power battery in a cooling liquid tank for storing the insulating refrigerant, and connecting the cooling liquid tank with a refrigeration unit and a circulating pump unit. The refrigeration unit adopts a main refrigeration path of the compressor unit and a cooling bypass of the plate heat exchanger to be mutually coupled and is designed into a plurality of cooling channels which are connected in parallel to exchange heat with a refrigerant in a cooling liquid tank efficiently. The heater is arranged in the cooling liquid tank to preheat the cooling liquid, the refrigerant can be quickly preheated to the battery in an extremely cold environment, the cold starting performance of the whole power battery system is improved, and the system can integrate the functions of heat dissipation and preheating.
Claims (3)
1. The utility model provides an active control type liquid cooling power battery thermal management system that submerges entirely, characterized by: the system comprises a compressor, a condenser, an evaporator, a plate heat exchanger and a cooling liquid tank, wherein the compressor, the condenser, a refrigeration electromagnetic valve, an expansion valve and the evaporator are connected in series to form a main refrigeration unit of a compressor unit; a manual valve and a liquid spraying electromagnetic valve are led out from a pipeline in front of a refrigeration electromagnetic valve on a main refrigeration unit to form a spraying branch; a thermal manual valve and a thermal electromagnetic valve are led out from a pipeline between the compressor and the condenser to the evaporator to form a thermal bypass branch; the first three-way reversing valve is connected with the plate heat exchanger and the evaporator, the second three-way reversing valve is connected with the plate heat exchanger and the evaporator, so that an auxiliary cooling unit of the plate heat exchanger is formed by connecting the plate heat exchanger and the evaporator in parallel, the first three-way reversing valve is connected with the drying filter and the manual valve to the cooling liquid tank, and the second three-way reversing valve is connected with the electronic circulating pump, the temperature sensor, the flow sensor and the maintenance valve to the cooling liquid tank; the electronic circulating pump is connected with the solid-state frequency converter, and the condenser is connected with a condenser cooling fan and condenser cooling fins; the plate heat exchanger is connected with the radiating fins of the plate heat exchanger to strengthen heat exchange.
2. The active control type fully-submerged liquid-cooled power battery thermal management system according to claim 1, wherein: the cooling liquid box comprises a box cylinder and a box cover which are connected with each other, a battery module is fixed at the bottom of the box cylinder through an elastic heat-conducting rubber mat, a stirrer is arranged beside the battery module, a liquid injection funnel, an alarm, a balance pressure release valve and a liquid level meter are mounted on the box cover, the liquid injection funnel is connected with a liquid injection control valve and used for controlling the flow of cooling liquid injected into the cooling liquid box, the liquid level meter is connected with a liquid level switch, a heater in the cooling liquid box is connected with a solid relay, a temperature sensor and a pressure sensor are connected in the cooling liquid box, and the pressure sensor is connected with the; the cooling liquid box is provided with a cooling liquid inlet, a cooling liquid outlet and a wire inlet and outlet, and a guide plate is arranged at the position of a liquid inlet in the cooling liquid box.
3. The active control type fully-submerged liquid-cooled power battery thermal management system of claim 2, wherein: the battery module generates heat, the compressor, the condenser, the expansion valve and the evaporator are matched for refrigeration, and an insulating refrigerant enters a liquid inlet of the cooling liquid tank through the electronic circulating pump to dissipate heat of the battery; when the battery needs to be heated under a cold working condition, the heater connected with the cooling liquid tank works, and the solid-state relay controls the heating power of the heater to preheat the battery; the battery module is immersed in the insulating refrigerant in the cooling liquid tank, and the stirrer enhances disturbance of the insulating refrigerant in the cooling liquid tank and enhances mixing of the refrigerant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110046349.9A CN112886093A (en) | 2021-01-14 | 2021-01-14 | Active control type full-immersion liquid cooling power battery thermal management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110046349.9A CN112886093A (en) | 2021-01-14 | 2021-01-14 | Active control type full-immersion liquid cooling power battery thermal management system |
Publications (1)
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| CN113238643A (en) * | 2021-06-10 | 2021-08-10 | 兰洋(宁波)科技有限公司 | Full-immersion liquid cooling heat dissipation device |
| CN113571798A (en) * | 2021-06-29 | 2021-10-29 | 哈尔滨工程大学 | Semi-immersion type injection liquid cooling battery heat management device |
| CN113710057A (en) * | 2021-08-12 | 2021-11-26 | 中国电子科技集团公司电子科学研究院 | Airborne single-phase immersed comprehensive circulating heat management system and airborne integrated comprehensive rack |
| CN113867505A (en) * | 2021-09-15 | 2021-12-31 | 苏州浪潮智能科技有限公司 | Hydraulically driven immersed cooling system |
| CN114069097A (en) * | 2021-11-15 | 2022-02-18 | 中国第一汽车股份有限公司 | Thermal runaway processing system and thermal runaway processing method |
| CN115602978A (en) * | 2021-07-09 | 2023-01-13 | 宝马股份公司（De） | Battery device with immersed temperature regulation and motor vehicle |
| CN115663351A (en) * | 2022-12-28 | 2023-01-31 | 四川信息职业技术学院 | New energy automobile power battery cooling device |
| CN115793819A (en) * | 2023-01-09 | 2023-03-14 | 苏州浪潮智能科技有限公司 | Immersion type liquid cooling server and waste heat recovery system thereof |
| WO2023081993A1 (en) * | 2021-11-10 | 2023-05-19 | HYDRO-QUéBEC | Ultra high-performance battery module with active and dynamic management of operating temperature and pressure |
| CN116666838A (en) * | 2023-07-31 | 2023-08-29 | 四川沃轮电气制造有限公司 | Thermal management method of liquid-cooled energy storage system |
| CN116885340A (en) * | 2023-09-06 | 2023-10-13 | 成都沃飞天驭科技有限公司 | Immersed battery module and thermal management system thereof |
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| CN113238643A (en) * | 2021-06-10 | 2021-08-10 | 兰洋(宁波)科技有限公司 | Full-immersion liquid cooling heat dissipation device |
| CN113571798A (en) * | 2021-06-29 | 2021-10-29 | 哈尔滨工程大学 | Semi-immersion type injection liquid cooling battery heat management device |
| CN115602978A (en) * | 2021-07-09 | 2023-01-13 | 宝马股份公司（De） | Battery device with immersed temperature regulation and motor vehicle |
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| CN113710057A (en) * | 2021-08-12 | 2021-11-26 | 中国电子科技集团公司电子科学研究院 | Airborne single-phase immersed comprehensive circulating heat management system and airborne integrated comprehensive rack |
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| CN113867505A (en) * | 2021-09-15 | 2021-12-31 | 苏州浪潮智能科技有限公司 | Hydraulically driven immersed cooling system |
| CN113867505B (en) * | 2021-09-15 | 2023-08-08 | 苏州浪潮智能科技有限公司 | Hydraulically driven immersed cooling system |
| WO2023081993A1 (en) * | 2021-11-10 | 2023-05-19 | HYDRO-QUéBEC | Ultra high-performance battery module with active and dynamic management of operating temperature and pressure |
| CN114069097A (en) * | 2021-11-15 | 2022-02-18 | 中国第一汽车股份有限公司 | Thermal runaway processing system and thermal runaway processing method |
| CN115663351A (en) * | 2022-12-28 | 2023-01-31 | 四川信息职业技术学院 | New energy automobile power battery cooling device |
| CN115793819B (en) * | 2023-01-09 | 2023-04-25 | 苏州浪潮智能科技有限公司 | Immersed liquid cooling server and waste heat recovery system thereof |
| CN115793819A (en) * | 2023-01-09 | 2023-03-14 | 苏州浪潮智能科技有限公司 | Immersion type liquid cooling server and waste heat recovery system thereof |
| CN116666838A (en) * | 2023-07-31 | 2023-08-29 | 四川沃轮电气制造有限公司 | Thermal management method of liquid-cooled energy storage system |
| CN116666838B (en) * | 2023-07-31 | 2023-12-15 | 四川沃轮电气制造有限公司 | Thermal management method of liquid-cooled energy storage system |
| CN116885340A (en) * | 2023-09-06 | 2023-10-13 | 成都沃飞天驭科技有限公司 | Immersed battery module and thermal management system thereof |
| CN116885340B (en) * | 2023-09-06 | 2023-11-28 | 成都沃飞天驭科技有限公司 | Immersed battery module and thermal management system thereof |
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