CN215184185U - Battery thermal management device and power battery - Google Patents
Battery thermal management device and power battery Download PDFInfo
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- CN215184185U CN215184185U CN202120636432.7U CN202120636432U CN215184185U CN 215184185 U CN215184185 U CN 215184185U CN 202120636432 U CN202120636432 U CN 202120636432U CN 215184185 U CN215184185 U CN 215184185U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a battery heat management device and power battery, wherein, battery heat management device includes a plurality of mutually independent Peltier components, is used for controlling the module controller of each Peltier component respectively, and the battery module includes casing and a plurality of electric core that sets up inside the casing side by side, is equipped with the heat conduction pad subassembly between the tip of a plurality of electric cores and the casing, and a plurality of mutually independent Peltier components set up in the inside of heat conduction pad subassembly; carry out temperature control to electric core through the integrated peltier subassembly at heat conduction pad subassembly inside, increased the heat transfer area of battery module, compact structure need not to set up relevant cooling structure, can carry out the heat transfer to the battery module effectively, has improved the temperature regulation ability to the battery module.
Description
Technical Field
The utility model relates to a battery heat management technical field especially relates to a battery heat management device and power battery.
Background
In the conventional heat management of the power battery, a mixture of water and glycol is mainly used as a cooling medium for heat exchange, and the power battery is heated or cooled by the cooling medium, so that the heat management of the power battery is realized. However, the schemes using the cooling liquid as the heat exchange medium all have the problems of many system components, low efficiency and uneven temperature, so that a scheme of performing heat management on the power battery by means of the peltier component is proposed.
In the prior art, a scheme of compensating the battery temperature by using peltier elements generally includes a plurality of peltier assemblies arranged inside a power battery pack, each single battery cell corresponds to one peltier element, and the control is performed by a microcomputer to control the temperature of the single battery cell. However, since the peltier assemblies have a certain size, after the plurality of peltier assemblies in one-to-one correspondence with the battery cells are arranged in the power battery pack, the battery thermal management system has more and complicated components, the heat exchange area of the power battery is reduced, and the power battery pack cannot effectively exchange heat, so that the battery temperature regulation capacity is limited.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery heat management device and power battery to in solving prior art, the power battery package can't carry out effective heat transfer, leads to the limited technical problem of temperature regulation ability.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a battery heat management device for carry out the heat management to the battery module, its characterized in that includes a plurality of mutually independent peltier subassemblies, is used for controlling respectively each the module controller of peltier subassembly, the battery module includes that casing and a plurality of set up side by side the inside electric core of casing, it is a plurality of the tip of electric core with be equipped with the heat conduction pad subassembly between the casing, a plurality of mutually independent peltier subassemblies set up in the inside of heat conduction pad subassembly.
Optionally, a plurality of the peltier assemblies form at least two independent thermal management zones, including a first thermal management zone and a second thermal management zone, where the first thermal management zone is located at a position corresponding to the end of the cell located in the middle, and the second thermal management zone is located at a position corresponding to the end of the cell located at the outermost side.
Optionally, the battery thermal management apparatus further includes a battery management system, and the module controller is in communication connection with the battery management system.
Optionally, the battery thermal management device further includes temperature acquisition elements respectively disposed in different regions in the battery module, and the temperature acquisition elements are electrically connected to the battery management system.
Optionally, the battery thermal management apparatus further includes a plurality of sub-switches for controlling the corresponding thermal management zones, and the plurality of sub-switches are electrically connected to the module controller.
Optionally, a plurality of said peltier modules are interconnected in parallel and/or in series within each of said thermal management zones.
Optionally, the thermal pad assembly includes a battery module end close to the electric core and a housing end close to the housing, the peltier assembly is disposed through the battery module end and in the housing end, and an isolation medium is disposed between the battery module end and the housing end.
Optionally, the two ends of the peltier component are respectively wrapped in a mold through heat conducting silica gel in an injection molding mode, a control line of the peltier component is led out, and the heat conducting pad component is formed after molding.
Optionally, an isolation medium is disposed between the plurality of cell areas corresponding to the thermal management areas.
Still provide a power battery, including a plurality of battery module and above-mentioned battery thermal management device.
The utility model provides a battery heat management device and power battery's beneficial effect lies in:
the utility model provides a battery heat management device manages heat to battery module, including a plurality of mutually independent Peltier's module, be used for controlling each Peltier's module controller respectively, battery module includes casing and a plurality of electric core that sets up side by side in the casing inside, is equipped with the heat conduction pad subassembly between the tip of a plurality of electric cores and the casing, and a plurality of mutually independent Peltier's subassembly sets up in the inside of heat conduction pad subassembly; carry out temperature control to electric core through the integrated peltier subassembly at heat conduction pad subassembly inside, increased the heat transfer area of battery module, compact structure need not to set up relevant cooling structure, can carry out the heat transfer to the battery module effectively, has improved the temperature regulation ability to the battery module.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is an overall schematic view of a battery heat exchange device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a heat conducting pad assembly according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating electrical connections of a heat conducting pad assembly according to an embodiment of the present invention;
fig. 4 is a schematic topology diagram of a module controller according to an embodiment of the present invention;
fig. 5 is a schematic view of the interior of a power battery pack according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
d-a battery module; d1-a first die region; d2 — a second die region;
1-a shell; 11-a lower housing; 111-heat dissipation fins; 12-battery module end plates; 2-electric core; 3-a thermally conductive pad assembly; 4-a peltier module; 41-a first thermal management zone; 42-a second thermal management zone; 5-a module controller; 6-a battery management system; 7-temperature acquisition element;
k-master switch; K0-Current switch; k1 — first branch switch; k2-second partial switch.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Referring to fig. 1 to 5, a battery thermal management device according to an embodiment of the present invention will be described.
As shown in fig. 1, the battery thermal management apparatus according to the present embodiment is used for thermally managing a battery module D, and includes a plurality of peltier elements 4 independent of each other, and a module controller 5 for controlling each peltier element 4. Battery module D includes casing 1 and a plurality of electric core 2 that set up in casing 1 inside side by side, is equipped with thermal pad subassembly 3 between the tip of a plurality of electric cores 2 and casing 1, and a plurality of mutually independent Peltier's subassembly 4 set up in thermal pad subassembly 3's inside. Wherein the module controller 5 controls the operation of the peltier module 4 by using power electronics. The battery module D is formed by a square shell, a soft package or a cylinder.
The peltier module 4 is a structure capable of controlling temperature rise or temperature fall thereof through current and voltage, a plurality of peltier modules 4 independent of each other are integrally arranged in the heat conducting pad module 3, and the direction of current flowing through the peltier modules 4 can be controlled through the module controller 5, that is, the current flowing direction between N (cathode) and P (anode) in fig. 2 is changed, so that the electric core 2 can be heated or cooled; and the heating or cooling power is controlled by controlling the effective value of the current flowing through the Peltier component 4, so that the heating or cooling effect on the electric core 2 is controlled. Because peltier subassembly 4 sets up in the inside of heat conduction pad subassembly 3, and heat conduction pad subassembly 3 sets up between the tip of electric core 2 and casing 1, heat conduction pad subassembly 3 has carried out good heat-conduction integration with peltier subassembly 4, has increased the effective heat transfer area between electric core 2 and peltier subassembly 4, changes peltier subassembly 4's temperature, can realize the effective heat transfer between peltier subassembly 4 and electric core 2 through heat conduction pad subassembly 3. The Peltier component 4 becomes a heat pump at the heat conducting pad component 3, the battery is heated or cooled by changing the temperature at the two ends of the heat conducting pad component 3, when the battery core 2 needs to be heated, the current direction of the corresponding Peltier component 4 is controlled by the module controller 5, under the action of current, one end, close to the battery core 2, of the heat conducting pad component 3 is a hot end, one end, close to the shell 1, of the heat conducting pad component 3 is a cold end, the cold end carries the air heat outside the shell 1 to the hot end, and then the air heat is transferred to the end part of the corresponding battery core 2, so that the battery core 2 is heated, and the battery module D is heated; when needs refrigerate electric core 2, through the current direction of module controller 5 control peltier subassembly 4, under the effect of electric current, the one end that thermal pad subassembly 3 is close to electric core 2 is the cold junction, and the one end that thermal pad subassembly 3 is close to casing 1 is the hot junction, and the cold junction will correspond electric core 2's heat transport to thermal pad subassembly 3's hot junction, then through with casing 1 with heat transport to outside air to the realization is to electric core 2's cooling. The shell 1 comprises a battery module end 31 plate 12 and a lower shell 11, the lower shell 11 is positioned below the battery core 2, and the upper end surface of the lower shell is in contact with the lower end part of the battery core 2; the battery module end 31 plates 12 are located on both sides of the lower case 11, and the inner end faces of the battery module end 31 plates 12 are in contact with the end faces of the corresponding electric cores 2. The heat dissipation fins 111 are arranged outside the lower shell 11, so that a heat exchange path of the battery cell 2, the Peltier component 4, the shell 1 and air can be efficiently supported, and a good heat exchange effect is achieved.
To sum up, battery heat management device in this embodiment, carry out temperature control to electric core 2 through at the inside integrated peltier subassembly 4 of thermal pad subassembly 3, battery module D's heat transfer area has been increased, compact structure need not to set up relevant cooling structure, the structure is simplified, the heat transfer structure between peltier subassembly 4 and electric core 2 is compact enough the thermal effective transmission problem of electric core 2 that leads to has been solved, can carry out the heat transfer to the battery module effectively, the temperature regulation ability to the battery module has been improved. And, because the inside different regional electric core 2 temperatures of battery module D are different, a plurality of peltier assemblies 4 mutual independence set up, can carry out the temperature control of pertinence to single electric core 2, carry out different temperature control strategies to the region of battery difference, when keeping battery module D in the temperature interval of high-efficient work, still saved the energy, can be more accurate carry out temperature management to the battery.
Optionally, in the battery thermal management apparatus of this embodiment, the plurality of peltier elements 4 constitute at least two independent thermal management zones: the battery cell assembly comprises a first thermal management area 41 and a second thermal management area 42, wherein the second thermal management area 42 corresponds to the end part of the battery cell 2 located on the outermost side, and the first thermal management area 41 corresponds to the end part of the battery cell 2 located in the middle. Divide a plurality of peltier assemblies 4 into a plurality of thermal management areas according to the temperature distribution characteristic of the inside different regions of battery module D to carry out subregion management to the electric core 2 of different temperature regions, in order to satisfy the temperature control demand of different regional electric cores 2. In the in-process of battery module D work, the electric core 2 at battery module D middle part (first electric core district D1) receives the influence of electric core 2 on every side, be in the great overheated state of calorific capacity easily, and the electric core 2 of battery module D outside (second electric core district D2) receives the external environment influence, be in the state of subcooling easily, consequently, set up two mutually independent heat management district to these two electric core districts, the pertinence is managed thermally, guarantee that each region of battery module D all is in suitable heat interval, and module controller 5 has been reduced.
Optionally, as shown in fig. 4, the battery thermal management apparatus in this embodiment further includes a Battery Management System (BMS)6, and the module controller 5 is communicatively connected to the battery management system 6. When the battery management system 6 detects the heat management demand, according to the temperature in the battery module D, the corresponding demand is sent to the module controller 5 of the Peltier component 4 according to the preset strategy, so that the Peltier component 4 heats or dissipates the heat of the battery module D according to the preset strategy, and the intelligence and the accuracy of the temperature control of the battery module D are improved.
Optionally, as shown in fig. 4, the battery thermal management device in this embodiment further includes temperature acquisition elements 7 respectively disposed in different regions of the battery module D (as shown in the figure, the temperature acquisition elements 7 may include a plurality of temperature acquisition elements 7 from T1 to T28), the temperature acquisition elements 7 are electrically connected to the battery management system 6, the temperature acquisition elements 7 may acquire temperatures of different regions of the battery module D in real time and send the temperatures to the battery management system 6, and the temperatures are used as references for temperature management of the battery module D, so that the accuracy of the temperature of the battery module D is further improved. In an embodiment, the module controller 5 and the battery management system 6 may be integrated into one, and the battery management system 6 directly controls each peltier element 4, so as to achieve the same temperature management effect, simplify the structure, and further reduce the volume of the battery thermal management device.
Optionally, as shown in fig. 4, the battery thermal management device in this embodiment further includes a main switch K for controlling the current flowing direction of the plurality of peltier elements 4. The main switch K comprises 4 current switches K0, wherein two current switches K0 control the current flowing direction of the plurality of peltier elements 4 to be in a forward direction, and the other two current switches K0 control the current flowing direction of the plurality of peltier elements 4 to be in a reverse direction. The main switch K controls the current direction of the whole battery heat management device to control the current flow direction of the Peltier components 4 according to requirements, and then heating or cooling of the battery module D is achieved. The current switch K0 may be a thyristor, a field effect transistor, a mechanical switch, or the like.
Optionally, as shown in fig. 4, the battery thermal management apparatus in this embodiment further includes a plurality of sub-switches for controlling the corresponding thermal management areas, and the plurality of sub-switches are electrically connected to the module controller 5. The branch switch corresponds different thermal management district of control respectively to carry out the independent heating or the cooling control of different regional electric core 2, further improved the accuracy nature to battery module D temperature control, and guarantee different regional control security. Wherein, the branch switches comprise a first branch switch K1 for controlling the first thermal management zone 41 and a second branch switch K2 for controlling the second thermal management zone 42, and the temperature control of different thermal management zones can be realized through the module controller 5. In one embodiment, each sub-switch is connected between the main switch K and the corresponding thermal management zone.
Optionally, in the battery thermal management apparatus in this embodiment, in each thermal management region, a plurality of peltier elements 4 are connected in parallel and/or in series. The connection mode of the plurality of peltier elements 4 can be changed according to the actual temperature control requirement. For example, in a battery module D used in a normal temperature region, a plurality of peltier elements 4 are connected in parallel and then the battery module D is heated, so that the battery can meet the temperature requirement for normal operation, and as shown in fig. 3, the plurality of peltier elements 4 are connected in such a manner that N sections of the peltier elements 4 are connected and P sections of the peltier elements 4 are connected, so that the peltier elements 4 are connected in parallel. And under extremely cold or extremely hot environment, when the difference in temperature between external environment temperature and the normal operating temperature of battery exceeded preset temperature (as 60 ℃), single-stage peltier subassembly (parallelly connected between peltier subassembly 4) can't satisfy the heat transfer demand, can adopt multistage peltier subassembly 4, and a plurality of peltier subassemblies 4 establish ties promptly are at corresponding electric core 2 tip to the effect when the increase heats or refrigerates, thereby reduces the difference in temperature between external environment and the normal operating temperature of battery. Specifically, in the present embodiment, as shown in fig. 3, the peltier elements 4 are connected in parallel, wherein P sections of all the peltier elements 4 in the first thermal management region 41 are all connected to the positive electrode of the first region electrical interface, N sections are all connected to the negative electrode of the first region electrical interface, correspondingly, P sections of all the peltier elements 4 in the second thermal management region 42 are all connected to the positive electrode of the second region electrical interface, and N sections are all connected to the negative electrode of the second region electrical interface.
Optionally, as shown in fig. 2, in the battery thermal management apparatus of this embodiment, the thermal pad assembly 3 includes a battery module end 31 close to the electric core 2 and a case end 32 close to the case 1, an isolation medium with a low thermal conductivity is disposed between the battery module end 31 and the case end 32, and the peltier element 4(P and N) is disposed in the battery module end 31 and the case end 32 in a penetrating manner. When needing to the heating of battery module D, the battery module end 31 that is close to electric core 2 is the hot junction, the casing end 32 that is close to casing 1 is the cold junction, Peltier's component 4 carries the heat of outside air to battery module end 31 through casing end 32, and then transmits to corresponding electric core 2 in order to improve electric core 2 temperature, and because unable quick heat conduction between battery module end 31 and the casing end 32, the heat that has reduced electric core 2 runs off the possibility to the air through casing end 32, can improve the rate of heating to battery module D. The isolating medium with low heat conduction coefficient can be air or gel with low heat conduction coefficient.
Optionally, in the battery thermal management device according to this embodiment, two ends of the peltier element 4 are respectively wrapped in the mold by injection molding through the heat conductive silicone, wherein one end of the peltier element 4 is connected through a wire (copper in this embodiment), and the control line of the peltier element 4 is led out, and the heat conductive pad assembly 3 is formed after molding. The both ends of heat conduction silica gel with peltier module 4 are moulded plastics the parcel respectively in the mould, form battery module end 31, casing end 32 after the shaping, peltier module 4 directly with heat conduction silica gel integrated into one piece, integrated in the inside of heat conduction pad subassembly 3, make full use of the space to because heat conduction silica gel's characteristic, can make peltier module 4 abundant carry out the heat transfer with casing 1, a plurality of electricity core 2.
Optionally, in the battery thermal management apparatus of this embodiment, isolation media with low thermal conductivity are disposed between the cell areas corresponding to the multiple thermal management areas. The battery core area is a battery core area corresponding to the thermal management area, for example, a plurality of battery cells 2 in the middle of the battery module form a first battery core area D1, and a plurality of battery cells 2 in the outermost side of the battery module D form a second battery core area D2. The temperatures of different electric core areas are different, the plurality of electric core areas can adopt different heat management strategies, mutual temperature influence can be avoided, the mutual isolation of the temperatures through isolation media ensures that the heat management areas are mutually independent, and different temperatures can be accurately provided.
The embodiment also provides a power battery, which comprises a plurality of battery modules and the battery thermal management device. In an embodiment, as shown in fig. 5, the power battery pack includes two rows of battery packs, each row of battery packs includes a plurality of battery modules D arranged in sequence from top to bottom, and each battery module D includes a plurality of battery cells 2 and a housing 1. In the battery pack shown in fig. 5, a second battery core region is formed in the two side regions of each row of battery packs, and corresponds to the outermost battery core 2 of each battery module D; the middle area of each row of battery packs forms a first battery core area corresponding to the battery core 2 in the middle of each battery module D.
By adopting the battery in the embodiment, the plurality of independent peltier assemblies 4 are arranged in the heat conducting pad assembly 3 to form at least two heat management areas, wherein the position of the second heat management area corresponds to the end of the battery cell 2 located on the outermost side, the position of the first heat management area corresponds to the end of the battery cell 2 located in the middle, and the module controller 5 can control the plurality of peltier assemblies 4 in each heat management area to be heated or cooled through current or voltage. Reading the temperature of the battery cell 2 fed back by the temperature acquisition element 7 through the BMS, and executing the same or different thermal management strategies on the first thermal management area 41 and the second thermal management area 42, for example, if the middle battery cell 2 of the battery module D is overheated and the outside battery cell 2 is normal in temperature, controlling the temperature of each peltier component 4 of the first thermal management area 41 to be reduced, controlling each peltier component 4 of the second thermal management area 42 not to work, transmitting each peltier component 4 of the first thermal management area 41 to the housing 1 after absorbing heat from the battery cell 2, and finally completing heat exchange with outside air through the heat dissipation fins 111; for example, the temperature of the middle cell 2 of the battery module D is normal, and the temperature of the outer cell 2 is too low, so that each peltier component 4 of the first thermal management area 41 is controlled not to work, each peltier component 4 of the second thermal management area 42 is controlled to heat up, and the corresponding cell 2 is heated to enable the cell 2 to rapidly enter a suitable temperature range. The heat conducting pad assembly 3 is directly integrated with the plurality of Peltier assemblies 4, so that the effect of controlling the temperature in a partitioned mode can be achieved, the structure is simplified, and the space utilization rate is improved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a battery heat management device for carry out the heat management to the battery module, its characterized in that includes a plurality of mutually independent Peltier subassembly, is used for controlling respectively each the module controller of Peltier subassembly, the battery module includes that casing and a plurality of set up side by side the inside electric core of casing, it is a plurality of the tip of electric core with be equipped with the heat conduction pad subassembly between the casing, a plurality of mutually independent Peltier subassemblies set up in the inside of heat conduction pad subassembly.
2. The battery thermal management apparatus of claim 1, wherein a plurality of the peltier modules form at least two separate thermal management zones, including a first thermal management zone and a second thermal management zone, the first thermal management zone being located corresponding to the cell ends located in the middle, and the second thermal management zone being located corresponding to the cell ends located in the outermost side.
3. The battery thermal management apparatus of claim 1, further comprising a battery management system, wherein the module controller is communicatively coupled to the battery management system.
4. The battery thermal management device according to claim 3, further comprising temperature collection elements respectively disposed in different regions within the battery module, the temperature collection elements being electrically connected to the battery management system.
5. The battery thermal management apparatus of claim 2, further comprising a plurality of sub-switches for controlling the corresponding thermal management zones, the plurality of sub-switches being electrically connected to the module controller.
6. The battery thermal management apparatus of claim 2, wherein a plurality of the peltier assemblies are interconnected in parallel and/or series within each thermal management zone.
7. The battery thermal management apparatus of claim 1, wherein the thermal pad assembly comprises a battery module end proximate to the electrical core and a housing end proximate to the housing, the peltier assembly is disposed through the battery module end and the housing end, and an isolation medium is disposed between the battery module end and the housing end.
8. The battery thermal management device according to any one of claims 1 to 7, wherein the thermal pad assembly is formed by respectively injection-molding and wrapping two ends of the Peltier assembly in a mold through heat-conducting silica gel, leading out a control wire of the Peltier assembly and shaping the control wire.
9. The battery thermal management device according to any of claims 2-6, wherein an isolation medium is disposed between the cell regions corresponding to the plurality of thermal management regions.
10. A power battery comprising a plurality of battery modules and the battery thermal management device according to any one of claims 1 to 9.
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| CN202120636432.7U CN215184185U (en) | 2021-03-29 | 2021-03-29 | Battery thermal management device and power battery |
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| CN202120636432.7U CN215184185U (en) | 2021-03-29 | 2021-03-29 | Battery thermal management device and power battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114361631A (en) * | 2021-12-30 | 2022-04-15 | 深圳市驰普科达科技有限公司 | Energy storage system thermal management method, device, equipment and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114361631A (en) * | 2021-12-30 | 2022-04-15 | 深圳市驰普科达科技有限公司 | Energy storage system thermal management method, device, equipment and storage medium |
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Effective date of registration: 20220106 Address after: 511400 No.36 Longying Road, Shilou Town, Panyu District, Guangzhou City, Guangdong Province Patentee after: GAC AION New Energy Vehicle Co.,Ltd. Address before: 510030 23 building, Cheng Yue mansion 448-458, Dongfeng Middle Road, Yuexiu District, Guangzhou, Guangdong. Patentee before: GUANGZHOU AUTOMOBILE GROUP Co.,Ltd. |