CN108011158B - Immersed battery pack thermal management system and automobile comprising same - Google Patents
Immersed battery pack thermal management system and automobile comprising same Download PDFInfo
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- CN108011158B CN108011158B CN201810013856.0A CN201810013856A CN108011158B CN 108011158 B CN108011158 B CN 108011158B CN 201810013856 A CN201810013856 A CN 201810013856A CN 108011158 B CN108011158 B CN 108011158B
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- 239000007788 liquid Substances 0.000 claims abstract description 102
- 238000004891 communication Methods 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 4
- 239000000110 cooling liquid Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004334 fluoridation Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to a thermal management system of a submerged battery pack and an automobile comprising the thermal management system, wherein the thermal management system of the submerged battery pack comprises: the device comprises a battery pack shell, a power battery, a liquid-liquid heat exchanger, a submerged electric pump and a liquid storage tank; the power battery, the liquid-liquid heat exchanger and the submerged electric pump are all arranged in a sealed battery shell body, the battery shell body is filled with the heat exchange medium, the heat exchange medium is in a liquid state, and the power battery, the liquid-liquid heat exchanger and the submerged electric pump are all immersed in the heat exchange medium; a reservoir is in fluid communication with the battery enclosure. The battery pack is immersed in the heat dissipation medium, so that the heat exchange efficiency is remarkably improved, and the liquid storage tank is arranged in the thermal management system, so that the internal pressure of the thermal management system is automatically adjustable, the thermal management system can adapt to extreme temperatures, and the safety of the system is improved.
Description
Technical Field
The invention relates to the field of new energy automobiles, in particular to thermal management of a power battery pack of a new energy automobile, which comprises cooling and heating of the power battery pack, and particularly relates to a thermal management system of an immersed battery pack and an automobile comprising the thermal management system.
Background
Along with the increasing prominence of the current environmental problems, the rise of new energy automobiles is a necessary trend of social development, and not only can people reduce the dependence on fossil fuel, but also can reduce the emission of automobile exhaust, thereby effectively improving the environmental quality. The vehicle power battery technology is one of key technologies in new energy automobiles, and the performance of the vehicle power battery directly influences the performance of the new energy automobiles. In the development process of the new energy automobile, the cruising ability is one of the most important factors restricting the development of the new energy automobile, and along with the improvement of the cruising ability requirement of the new energy automobile, the capacity of the carried power battery is gradually increased, and the heating value of the power battery pack is obviously increased in the use process.
The performance of the power battery is greatly affected by temperature, the chemical reaction rate is reduced and the SOC value of the battery is reduced due to the fact that the temperature is too low, the endurance of a new energy automobile is reduced in winter, irreversible decomposition is generated on the battery due to the fact that the temperature is too high, the service life of the battery is affected, and even safety problems such as fire and explosion occur. In order to ensure that the operation of the power battery for the vehicle is always in an effective temperature range, a scientific and efficient thermal management system is needed to improve the service performance of the battery, and proper cooling or heating measures are needed to ensure the efficient and safe use of the power battery pack and the long service life period.
At present, the heat management commonly used in power battery packs is mainly air-cooling heat management technology and liquid-cooling heat management technology, the air-cooling heat management technology is to utilize air to flow through the surface of a battery for heat exchange and cooling, the modes of the air-cooling heat management technology can be divided into natural cooling and forced cooling (by using a fan and the like), and the technology utilizes natural wind or forced convection of air to match with an evaporator of an automobile to cool the battery. The liquid cooling heat management technology is to adopt cooling liquid to exchange heat for the battery pack, so that the battery pack can be cooled or heated through exchanging heat with the cooling liquid in the pipeline.
The existing air cooling heat management technology is simple in structure and low in cost, but the requirement on the ambient temperature is high, the temperature of inlet air is difficult to control accurately, the temperature of a battery pack is difficult to control, meanwhile, the heat exchange coefficient of air is low, so that the efficiency of heat dissipation and cooling is low, the cooling process is slow, the effect of the battery pack with large capacity is not ideal, and the temperature consistency of a power battery is affected due to uneven distribution in the battery pack caused by uneven air flow. The existing liquid cooling heat management technology generally adopts liquid cooling pipelines with various structures to be inserted between battery packs, or liquid cooling plates are added on the surfaces of the batteries or between the batteries, but the heat generated by the batteries cannot be directly transferred to cooling liquid, the heat transfer efficiency is still not too high, and each battery monomer in the battery packs is difficult to be uniformly cooled.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the submerged battery pack heat management system and the automobile comprising the same, which can enable the power battery pack and the heat exchange medium to directly exchange heat, improve the cooling efficiency or heating efficiency of the heat management system, enable the internal pressure of the heat management system to be automatically adjustable, and further improve the performance of the automobile.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
There is provided a submerged battery pack thermal management system comprising: the device comprises a battery pack shell, a power battery, a liquid-liquid heat exchanger, a submerged electric pump and a liquid storage tank; the power battery, the liquid-liquid heat exchanger and the submerged electric pump are all arranged in a sealed battery shell body, the battery shell body is filled with the heat exchange medium, the heat exchange medium is in a liquid state, and the power battery, the liquid-liquid heat exchanger and the submerged electric pump are all immersed in the heat exchange medium; a reservoir is in fluid communication with the battery enclosure.
Preferably, the submerged battery pack thermal management system is capable of cooling or heating a power battery.
Preferably, the heat exchange medium is an electronic fluoridation liquid.
Preferably, the liquid-liquid heat exchanger is provided with an inlet pipeline and an outlet pipeline which are positioned outside the battery pack shell and used for the inlet and the outlet of a heat exchange medium, the heat exchange medium in the liquid-liquid heat exchanger enters the liquid-liquid heat exchanger through the inlet pipeline and flows out of the liquid-liquid heat exchanger through the outlet pipeline, and a circulation flow path is formed in the liquid-liquid heat exchanger; the liquid-liquid heat exchanger is connected with a heat source of an automobile.
Preferably, a channel for circulating a heat exchange medium is formed in the battery shell, and the liquid-liquid heat exchanger, the power battery and the submersible electric pump are all arranged in the channel.
Preferably, a heat exchange medium opening is formed in the bottom of the battery pack shell, and the heat exchange medium in the battery pack shell is communicated with the liquid storage tank through a pipeline via the heat exchange medium opening.
Preferably, the upper portion of the liquid storage tank forms an air chamber that communicates with the atmosphere via an exhaust valve provided at the upper portion of the liquid storage tank.
Preferably, the system further comprises a battery management system and a temperature sensor, wherein the temperature sensor is arranged in the battery pack shell and used for monitoring the temperature of the power battery in real time and transmitting the temperature to the battery management system, and the battery management system judges whether to start the liquid-liquid heat exchanger and the submerged pump according to a preset temperature threshold value of power battery management.
Preferably, the battery management system automatically adjusts the temperature of the liquid-liquid heat exchanger and/or the rotating speed of the submerged electric pump according to preset power battery management parameters and the temperature value of the power battery obtained through monitoring.
There is also provided an automobile comprising the submerged battery pack thermal management system of any of the preceding.
According to the immersed battery pack thermal management system and the automobile comprising the same, the battery pack is immersed in the heat dissipation medium, so that the battery pack can directly exchange heat with the heat exchange medium, the heat exchange efficiency is remarkably improved, meanwhile, the liquid storage tank is arranged in the thermal management system, and the internal pressure of the thermal management system is automatically adjustable, so that the thermal management system can adapt to extreme temperature, swelling, liquid leakage and the like of a battery pack shell can be prevented, the safety of the system is improved, and the performance of the automobile is further improved.
Drawings
Fig. 1 shows a schematic diagram of an embodiment of a submerged battery pack thermal management system.
Description of the reference numerals: the device comprises a 1-liquid heat exchanger, a 2-submerged electric pump, a 3-battery pack shell, a 4-liquid storage tank, a 5-power battery, a 6-heat exchange medium, a 7-inlet pipeline, an 8-outlet pipeline, a 9-channel, a 10-heat exchange medium opening and an 11-exhaust valve.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in detail hereinafter with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be arbitrarily combined with each other.
As shown in fig. 1, a submerged battery pack thermal management system, comprising: the device comprises a battery pack shell 3, a power battery 5, a liquid-liquid heat exchanger 1, a submerged electric pump 2 and a liquid storage tank 5; the power battery 5, the liquid-liquid heat exchanger 1 and the submerged electric pump 2 are all arranged in the sealed battery pack shell 3, the heat exchange medium 6 is filled in the battery pack shell 3, the heat exchange medium 6 is in a liquid state, and the power battery 5, the liquid-liquid heat exchanger 1 and the submerged electric pump 2 are all immersed in the heat exchange medium 6; the liquid-liquid heat exchanger 1 and the power battery 5 exchange heat with the heat exchange medium, and the submersible electric pump 2 drives the heat exchange medium 6 to flow in the battery pack shell 3; the reservoir tank 5 is in fluid communication with the battery pack housing 3.
The heat exchange medium 6 has good heat conduction performance, high flame retardance and high insulation performance, so that the heat exchange medium 6 can rapidly exchange heat with other components, and electric leakage and combustion of the power battery 3 can be effectively prevented. Preferably, the heat exchange medium 6 may be an electronic fluoridation liquid.
The liquid-liquid heat exchanger 1 is positioned in the battery pack shell 3 and is provided with an inlet pipeline 7 and an outlet pipeline 8 which are positioned outside the battery pack shell 3 and are used for leading heat exchange medium in and out of the liquid-liquid heat exchanger 1, the heat exchange medium in the liquid-liquid heat exchanger 1 enters the liquid-liquid heat exchanger 1 through the inlet pipeline 7 and flows out of the liquid-liquid heat exchanger 1 through the outlet pipeline 8, and a circulating flow path is formed in the liquid-liquid heat exchanger 1; the liquid-liquid heat exchanger 1 is in contact with the heat exchange medium 6 in the battery pack case 3, whereby the heat exchange medium in the liquid-liquid heat exchanger 1 exchanges heat with the heat exchange medium 6 in the battery pack case 3. Preferably, the liquid-liquid heat exchanger 1 has a coil form, and can sufficiently exchange heat between the liquid-liquid heat exchanger 1 and the heat exchange medium 6 in the battery pack case 3, thereby cooling or heating the heat exchange medium 6 in the battery pack case 3. Preferably, the liquid-liquid heat exchanger 1 is connected with a heat source of an automobile, and the automobile heat source can be used for refrigerating or heating.
The submerged battery pack thermal management system further comprises a battery management system and a temperature sensor (not shown in fig. 1), wherein the temperature sensor is arranged in the battery pack shell 3 or in the power battery unit and is used for monitoring the temperature of the power battery 5 in real time and transmitting the temperature to the battery management system, and the battery management system judges whether to start the automobile heat source, the liquid-liquid heat exchanger 1 and the submersible electric pump 2 to start refrigeration or heating according to a preset temperature threshold value of power battery management. Preferably, the battery management system can automatically adjust the refrigeration temperature or heating temperature of the liquid-liquid heat exchanger 1 and the rotation speed of the submersible electric pump 2 according to preset power battery management parameters and the temperature value of the power battery 5 obtained by monitoring, so as to adjust the cooling capacity or heating capacity of the power battery 5.
A channel 9 for the circulation flow of the heat exchange medium 6 is formed in the battery pack shell 3, and the liquid-liquid heat exchanger 1, the power battery 5 and the submersible electric pump 2 are all arranged in the channel 9. Referring to fig. 1, the heat exchange medium 6 may circulate in the direction of the arrow shown in the drawing or may circulate in the opposite direction. As shown in fig. 1, when the battery management system controls the operation of the liquid-liquid heat exchanger 1 and the submersible electric pump 2, the heat exchange medium 6 is driven to circulate in the channel 9 via the submersible electric pump 2, the heat exchange medium 6 exchanges heat with the liquid-liquid heat exchanger 1 at the liquid-liquid heat exchanger 1, the temperature of the heat exchange medium 6 after heat exchange increases or decreases, and exchanges heat with the power battery 5 at the downstream, heating or cooling the power battery 5, and the heat exchange medium 5 after heat exchange further circulates in the channel 9, exchanges heat with the liquid-liquid heat exchanger 1, thereby realizing continuous heating or cooling of the power battery 5.
The bottom of the battery pack shell 3 is provided with a heat exchange medium opening 10, the heat exchange medium 6 in the battery pack shell 3 is communicated with the liquid storage tank 4 through a pipeline via the heat exchange medium opening 10, the heat exchange medium 6 is stored in the liquid storage tank 4, the upper part of the liquid storage tank 4 forms an air chamber, and the air chamber is communicated with the atmosphere through an exhaust valve 11 arranged at the upper end of the liquid storage tank 4. Through the arrangement of the liquid storage tank 4, the heat exchange medium 6 can be timely supplemented for the immersed battery pack thermal management system, and the damage to the battery pack shell 3 caused by heat expansion and cold contraction of the heat exchange medium 6 in the sealed battery pack shell 3 can be avoided. When the temperature of the heat exchange medium 6 in the battery pack shell 3 is reduced, the heat exchange medium 6 in the battery pack shell 3 is contracted, the volume is reduced, and the heat exchange medium 6 is automatically replenished into the battery pack shell 3 from the liquid storage tank 4; when the temperature of the heat exchange medium 6 in the battery pack shell 3 is increased, the heat exchange medium 6 in the battery pack shell 3 expands, the volume is increased, and the heat exchange medium 6 automatically enters the liquid storage tank 4. Through setting up liquid storage pot 4 for the internal pressure of submergence formula battery package thermal management system is automatic adjustable, can adapt to more extreme temperature, has improved the security of system. Preferably, the exhaust valve 11 may be disposed at the upper portion of the liquid storage tank 4, so as to ensure that the pressure of the air chamber in the liquid storage tank 4 is not too high, so that the pressure of the heat exchange medium 6 in the battery pack housing 3 is always maintained at a constant level, normal operation of the immersed battery pack thermal management system is ensured, and meanwhile, swelling, leakage and the like of the battery pack housing can be prevented.
An automobile (not shown) is also provided, which comprises the immersed battery pack thermal management system, and the working temperature of the power battery pack of the automobile can be always in an effective temperature range, so that the performance of the automobile is improved.
The operation process of the immersed battery pack thermal management system in the embodiment of the invention is as follows:
As shown in fig. 1, after the real-time temperature of the power battery 5 monitored by the temperature sensor received by the battery management system exceeds a preset temperature threshold, starting the automobile heat source, the liquid-liquid heat exchanger 1 and the electric submersible pump 2 to start working, at this time, the heat exchange medium in the liquid-liquid heat exchanger 1 is cooled, the heat exchange medium circulates in the liquid-liquid heat exchanger 1 through the inlet pipeline 7 and the outlet pipeline 8, and meanwhile, the heat exchange medium 6 in the battery pack shell 3 starts to circulate along the channel 9 through the driving of the electric submersible pump 2; the heat exchange medium 6 exchanges heat with the heat exchange medium in the liquid-liquid heat exchanger 1 at the liquid-liquid heat exchanger 1, the heat exchange medium 6 flowing through the liquid-liquid heat exchanger 1 is cooled, the cooled heat exchange medium 6 circulates to the power battery 5 along the channel 9 and exchanges heat with the power battery 5, the power battery 5 is cooled, the circulating medium 6 with the temperature rising further circulates to the liquid-liquid heat exchanger 1 along the channel 9 to start a new round of heat exchange circulation, and the power battery 5 is continuously cooled.
Similarly, after the real-time temperature of the power battery 5 monitored by the temperature sensor received by the battery management system is lower than a preset temperature threshold value, starting the automobile heat source, the liquid-liquid heat exchanger 1 and the electric submersible pump 2 to start working, at the moment, the heat exchange medium in the liquid-liquid heat exchanger 1 is heated, the heat exchange medium circulates in the liquid-liquid heat exchanger 1 through the inlet pipeline 7 and the outlet pipeline 8, and meanwhile, the heat exchange medium 6 in the battery pack shell 3 starts to circulate along the channel 9 through the driving of the electric submersible pump 2; the heat exchange medium 6 exchanges heat with the heat exchange medium in the liquid-liquid heat exchanger 1 at the liquid-liquid heat exchanger 1, the heat exchange medium 6 flowing through the liquid-liquid heat exchanger 1 is heated, the heated heat exchange medium 6 circulates to the power battery 5 along the channel 9 and exchanges heat with the power battery 5, the power battery 5 is heated, the circulating medium 6 with reduced temperature further circulates to the liquid-liquid heat exchanger 1 along the channel 9 to start a new round of heat exchange circulation, and the power battery 5 is continuously heated.
According to the immersed battery pack thermal management system, the power battery is directly contacted with the heat exchange medium, the heat exchange efficiency is improved, and the liquid storage tank is arranged, so that the internal pressure of the thermal management system is automatically adjustable, the thermal management system can adapt to extreme temperatures, swelling, liquid leakage and the like of a battery pack shell can be prevented, the safety of the system is improved, and the performance of an automobile is further improved.
Although the embodiments of the present invention are described above, the embodiments are only used for facilitating understanding of the present invention, and are not intended to limit the present invention. Any person skilled in the art can make any modification and variation in form and detail without departing from the spirit and scope of the disclosure, but it is intended to fall within the scope of the disclosure.
Claims (8)
1. A submerged battery pack thermal management system, comprising: the device comprises a battery pack shell, a power battery, a liquid-liquid heat exchanger, a submerged electric pump and a liquid storage tank; the power battery, the liquid-liquid heat exchanger and the submerged electric pump are all arranged in a sealed battery shell, the battery shell is filled with heat exchange medium, the heat exchange medium is liquid, and the power battery, the liquid-liquid heat exchanger and the submerged electric pump are all immersed in the heat exchange medium; a liquid reservoir in fluid communication with the battery pack housing; the liquid-liquid heat exchanger is provided with an inlet pipeline and an outlet pipeline which are positioned outside the battery pack shell and used for the inlet and the outlet of a heat exchange medium, the heat exchange medium in the liquid-liquid heat exchanger enters the liquid-liquid heat exchanger through the inlet pipeline and flows out of the liquid-liquid heat exchanger through the outlet pipeline, and a circulating flow path is formed in the liquid-liquid heat exchanger; the liquid-liquid heat exchanger is connected with a heat source of an automobile; the liquid-liquid heat exchanger has the form of a coil;
The system comprises a power battery, a battery pack shell, a battery management system and a temperature sensor, wherein the temperature sensor is arranged in the battery pack shell and is used for monitoring the temperature of the power battery in real time and conveying the power battery to the battery management system, and the battery management system judges whether to start the heat source, the liquid-liquid heat exchanger and the submerged motor pump according to a preset temperature threshold value of power battery management.
2. The submerged battery pack thermal management system of claim 1, wherein the submerged battery pack thermal management system is capable of cooling or heating a power cell.
3. The submerged battery pack thermal management system of claim 1 or 2, wherein the heat exchange medium is an electronic fluorinated liquid.
4. The submerged battery pack thermal management system of claim 1, wherein a channel is formed in the battery pack housing for circulating a heat exchange medium, wherein the liquid-liquid heat exchanger, the power battery and the submersible pump are all disposed in the channel.
5. The submerged battery pack thermal management system of claim 1, wherein the bottom of the battery pack housing is provided with a heat exchange medium opening through which the heat exchange medium within the battery pack housing communicates with the reservoir through a conduit.
6. The submerged battery pack thermal management system of claim 5, wherein the upper portion of the liquid reservoir forms an air chamber that is in communication with the atmosphere via an exhaust valve disposed in the upper portion of the liquid reservoir.
7. The submerged battery pack thermal management system of claim 1, wherein the battery management system automatically adjusts the temperature of the liquid-liquid heat exchanger and/or the rotational speed of the submerged electric pump based on preset power battery management parameters and the temperature value of the power battery obtained by monitoring.
8. An automobile comprising the submerged battery pack thermal management system of any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810013856.0A CN108011158B (en) | 2018-01-08 | 2018-01-08 | Immersed battery pack thermal management system and automobile comprising same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810013856.0A CN108011158B (en) | 2018-01-08 | 2018-01-08 | Immersed battery pack thermal management system and automobile comprising same |
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| CN108011158A CN108011158A (en) | 2018-05-08 |
| CN108011158B true CN108011158B (en) | 2024-06-04 |
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| CN201810013856.0A Active CN108011158B (en) | 2018-01-08 | 2018-01-08 | Immersed battery pack thermal management system and automobile comprising same |
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| EP3588667A1 (en) | 2018-06-25 | 2020-01-01 | APR Technologies AB | Immersion cooling of battery device |
| WO2020049249A1 (en) * | 2018-09-04 | 2020-03-12 | Exoes | System for cooling at least one electrical module comprising a plurality of battery cells immersed in a dielectric fluid |
| CN109301391A (en) * | 2018-10-25 | 2019-02-01 | 广东合新材料研究院有限公司 | A kind of liquid-immersed cooled automobile power cell group |
| CN109841918A (en) * | 2019-03-01 | 2019-06-04 | 华南理工大学 | Utilize the electric automobile power battery group radiator structure of the cooling heat dissipation of immersion |
| CN111929240A (en) * | 2020-07-28 | 2020-11-13 | 合肥富煌君达高科信息技术有限公司 | Immersion type high-precision measuring system |
| US11916211B2 (en) | 2020-09-28 | 2024-02-27 | Hamilton Sundstrand Corporation | Extinguishing battery thermal runaway |
| US20220096885A1 (en) * | 2020-09-28 | 2022-03-31 | Hamilton Sundstrand Corporation | Extinguishing battery thermal runaway |
| CN113131044A (en) * | 2021-05-12 | 2021-07-16 | 中国华能集团清洁能源技术研究院有限公司 | Immersed liquid temperature-regulating solid-state battery energy storage system |
| CN113659230A (en) * | 2021-07-22 | 2021-11-16 | 的卢技术有限公司 | Battery pack thermal management system, control method thereof and vehicle |
| DE102021005846A1 (en) | 2021-11-24 | 2023-05-25 | e.battery systems GmbH | Cooling system for a battery unit and battery unit with such a cooling system |
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| DE102022127099B4 (en) | 2022-10-17 | 2024-06-27 | Bayerische Motoren Werke Aktiengesellschaft | Immersion temperature control device, motor vehicle battery with such a temperature control device and motor vehicle |
| CN116780034B (en) * | 2023-08-09 | 2024-03-12 | 中科开创（广州）智能科技发展有限公司 | Full-immersion non-circulating flow liquid-cooled battery energy storage thermal management system |
| CN117096497B (en) * | 2023-09-22 | 2024-02-02 | 中科开创（广州）智能科技发展有限公司 | Energy storage cooling system based on immersed non-flowing liquid cold and heat management technology |
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| JP2014026814A (en) * | 2012-07-26 | 2014-02-06 | Denso Corp | Power supply temperature adjusting device |
| KR20140066806A (en) * | 2012-11-20 | 2014-06-02 | 대한칼소닉주식회사 | Electric vehicle battery temperature management system conjunction with the hvac system and its operating method |
| CN106876653A (en) * | 2016-02-22 | 2017-06-20 | 法拉第未来公司 | For the related fuse of the temperature of battery cooling system |
| CN205970883U (en) * | 2016-05-10 | 2017-02-22 | 比亚迪股份有限公司 | Car thermal management system and electric automobile |
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| CN207883875U (en) * | 2018-01-08 | 2018-09-18 | 付慧芳 | A kind of immersion cell packet heat management device |
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| CN108011158A (en) | 2018-05-08 |
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