CN112786994A - High-efficient type new energy automobile lithium cell of adaptable ambient temperature change - Google Patents
High-efficient type new energy automobile lithium cell of adaptable ambient temperature change Download PDFInfo
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- CN112786994A CN112786994A CN202110044344.2A CN202110044344A CN112786994A CN 112786994 A CN112786994 A CN 112786994A CN 202110044344 A CN202110044344 A CN 202110044344A CN 112786994 A CN112786994 A CN 112786994A
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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
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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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
- H01M10/615—Heating or keeping warm
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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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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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
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
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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
- H01M10/65—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
- H01M10/6561—Gases
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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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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a high-efficiency new energy automobile lithium battery capable of adapting to external temperature change, which comprises a shell, wherein a partition plate is fixedly connected to the inner wall of the shell, the partition plate divides the shell into a battery cavity and a cavity, an eddy current tube is fixedly connected to the inner wall of the cavity, two circular cavities are symmetrically formed in the partition plate, the inner walls of the two circular cavities are hermetically and rotatably connected with a rotary table, a three-way pipe is embedded in the rotary table, and the side wall of the eddy current tube is respectively connected with the middle parts of the inner walls of the two circular cavities through a cold air tube and a. According to the invention, the wind cup is driven to rotate by external wind flow, so that the magnetic plate slides up and down under the action of the suction force of the wind cup and the elastic force of the telescopic spring, the strip-shaped cavity pumps air into the air storage cavity continuously, the pressure in the air storage cavity is increased, and when the pressure in the air storage cavity reaches the critical value of the pressure release valve, high-pressure air in the air storage cavity enters the vortex tube at high speed, so that hot air and cold air are generated in the vortex tube respectively.
Description
Technical Field
The invention relates to the technical field of new energy vehicles, in particular to a high-efficiency new energy vehicle lithium battery capable of adapting to external temperature change.
Background
With the enhancement of environmental awareness and the development of new energy automobiles, the usage amount of rechargeable automobiles is larger and larger, and because the lithium battery has the advantages of high energy density, long service life and the like, a plurality of new energy automobiles can be applied to the lithium battery to provide power for the automobiles at present.
Current new energy automobile lithium cell can receive the restriction of a great deal of factor when using, make new energy automobile lithium cell work that can not the efficient, wherein temperature variation is the important factor that influences the high-efficient work of new energy automobile lithium cell, when high temperature weather such as summer, new energy automobile lithium cell work can produce more heat, and these heats can not get timely giving off, and then to the life who influences the new energy automobile lithium cell, when cold weather such as winter, the discharge capacity of new energy automobile lithium cell will correspondingly reduce, make the poor and power of new energy automobile lithium cell duration not enough.
Based on the technical scheme, the invention provides the efficient new energy automobile lithium battery which can adapt to the change of the external temperature.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a high-efficiency lithium battery for a new energy automobile, which can adapt to the change of external temperature.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a high-efficient type new energy automobile lithium cell of adaptable ambient temperature change, includes the casing, shells inner wall fixedly connected with baffle, the baffle divide into battery chamber and cavity in with the casing, cavity inner wall fixedly connected with vortex tube, two circular chambeies have been seted up to the symmetry in the baffle, two circular intracavity wall seal rotation is connected with the carousel, the embedded three-way pipe that is equipped with of carousel, the vortex tube lateral wall passes through cold air pipe and hot-air pipe and is connected with two circular intracavity wall middle parts respectively, two the venthole has been seted up to the inner wall that circular chamber is close to the battery chamber, the inner wall fixedly connected with blast pipe that circular chamber is close to shells lateral wall, two drive carousel pivoted actuating mechanism is installed to circular intracavity, install the pump gas mechanism to the intraductal pump high-pressure gas of vortex.
Preferably, the air pumping mechanism comprises a magnetic plate, a strip-shaped cavity is formed in the side wall of the shell, the magnetic plate is connected with the inner wall of the strip-shaped cavity in a sliding mode in a sealing mode, the lower end of the magnetic plate is elastically connected with the bottom of the strip-shaped cavity through an expansion spring, an air storage cavity is formed in the side wall, located above the strip-shaped cavity, of the shell, a one-way air suction pipe is fixedly connected to the inner wall of the strip-shaped cavity, the top of the strip-shaped cavity is connected with the inner wall of the air storage cavity through a one-way air outlet.
Preferably, the lower end of the shell is rotatably connected with a plurality of wind cups through a rotating shaft, wherein one wind cup is made of a magnetic material.
Preferably, actuating mechanism includes the magnetism slider, the circular chamber is kept away from the inner wall of blast pipe and has been seted up the arc chamber, magnetism slider and arc intracavity wall sliding connection, the embedded permanent magnet that is equipped with mutually with the magnetism slider of carousel, be close to the magnetism slider lateral wall of cold air duct is close to through first memory spring and arc intracavity wall elastic connection the trachea is heated up magnetism slider lateral wall and is passed through second memory spring and arc intracavity wall elastic connection.
Preferably, the pipe diameter of the three-way pipe is the same as that of the cold air pipe, the hot air pipe and the exhaust pipe.
Preferably, a pressure relief valve is installed in the one-way air injection pipe.
The invention has the following beneficial effects:
1. by arranging the vortex tube, the vortex tube can respectively provide hot air and cold air for the battery cavity, other heating or refrigerating equipment is not needed, and the energy-saving and environment-friendly effects are achieved;
2. by arranging the wind cup, the magnetic plate and the air storage cavity, when the automobile runs, external wind flow drives the wind cup to rotate, and then the wind cup made of a magnetic material continuously skims over the magnetic plate, so that the magnetic plate slides up and down under the action of the suction force of the wind cup and the elastic force of the expansion spring, and then the air is continuously pumped into the air storage cavity through the one-way air outlet pipe, so that the pressure in the air storage cavity is increased, and when the pressure in the air storage cavity reaches the critical value of the pressure release valve, high-pressure air in the air storage cavity enters the vortex pipe at high speed, so that hot air and cold air are respectively generated in;
3. by arranging the first memory spring, the magnetic slider and the permanent magnet, in hot weather in summer, the temperature on the first memory spring reaches the deformation temperature, the first memory spring contracts, the three-way pipe conducts the cold air pipe and the air outlet, and then the cold air passes through the air outlet to be carried out in the battery cavity and cool the battery cavity;
4. through setting up second memory spring, when cold weather winter, the temperature on the second memory spring this moment is less than its deformation temperature, and then the shrink of second memory spring, and then the carousel rotates 90 clockwise, make the three-way pipe switch on hot trachea and venthole, and then steam carries out the battery intracavity through the venthole, heat up the battery intracavity, when hot weather in summer, the temperature on the second memory spring this moment reaches its deformation temperature, and then the extension of second memory spring, and then drive carousel anticlockwise rotation 90, make steam can't get into the battery intracavity.
Drawings
FIG. 1 is a schematic structural diagram of a high-efficiency new energy automobile lithium battery capable of adapting to external temperature changes, according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
fig. 4 is a schematic structural diagram of the high-efficiency new energy automobile lithium battery adaptable to external temperature changes when a first memory spring is stretched;
fig. 5 is a schematic structural diagram of the high-efficiency new energy vehicle lithium battery adapted to the external temperature change when the second memory spring contracts.
In the figure: the air conditioner comprises a shell 1, a battery cavity 101, a cavity 102, a partition plate 2, an air cup 3, a cavity 4, a magnetic plate 5, a telescopic spring 6, an air storage cavity 7, a vortex tube 8, a cold air tube 81, a hot air tube 82, a unidirectional air injection tube 9, a unidirectional air suction tube 10, a unidirectional air outlet tube 11, a circular cavity 12, a rotary disk 13, a three-way tube 14, an air outlet hole 15, an air outlet tube 16, an arc cavity 17, a magnetic slider 18, a first memory spring 19, a permanent magnet 20 and a second memory spring 21.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Referring to fig. 1-5, a high-efficiency new energy automobile lithium battery adaptable to external temperature changes comprises a shell 1, a partition plate 2 is fixedly connected to the inner wall of the shell 1, the partition plate 2 divides the interior of the shell 1 into a battery cavity 101 and a cavity 102, an eddy current tube 8 is fixedly connected to the inner wall of the cavity 102, two circular cavities 12 are symmetrically formed in the partition plate 2, rotary tables 13 are rotatably connected to the inner walls of the two circular cavities 12 in a sealing manner, three-way pipes 14 are embedded in the rotary tables 13, the side walls of the eddy current tube 8 are respectively connected with the middle portions of the inner walls of the two circular cavities 12 through a cold air tube 81 and a hot air tube 82, air outlet holes 15 are formed in the inner walls of the two circular cavities 12 close to the battery cavity 101, exhaust pipes 16 are fixedly connected to the inner walls of the circular cavities 12 close to the side walls of the shell 1, driving mechanisms.
The pump gas mechanism includes magnetic plate 5, and 1 lateral wall of casing has seted up bar chamber 4, and magnetic plate 5 and the sealed sliding connection of 4 inner walls in bar chamber, and 5 lower extremes of magnetic plate pass through expanding spring 6 and the 4 interior bottom elastic connection in bar chamber, need explain that, the through-hole has been seted up to 4 inner walls in bar chamber below for the pressure change in the bar chamber 4 when balanced magnetic plate 5 slides.
The casing 1 is located the top lateral wall in bar chamber 4 and has seted up gas storage chamber 7, and the one-way breathing pipe 10 of 4 inner walls fixedly connected with in bar chamber, and the top passes through one- way outlet duct 11 and 7 inner wall connections in gas storage chamber 4, and 7 inner walls in gas storage chamber are through one-way jet-propelled pipe 9 and 8 lateral walls fixed connection of vortex tube, install the relief valve in the one-way jet-propelled pipe 9.
It should be noted that the one-way gas suction pipe 10 only allows gas to enter the bar-shaped cavity 4 from the outside, the one-way gas outlet pipe 11 only allows gas to enter the gas storage cavity 7 from the bar-shaped cavity 4, and the one-way gas injection pipe 9 only allows gas to enter the vortex tube 8 from the gas storage cavity 7.
The lower end of the shell 1 is rotatably connected with a plurality of wind cups 3 through a rotating shaft, wherein one wind cup 3 is made of a magnetic material.
The driving mechanism comprises a magnetic slider 18, an arc-shaped cavity 17 is formed in the inner wall, far away from the exhaust pipe 16, of the circular cavity 12, the magnetic slider 18 is in sliding connection with the inner wall of the arc-shaped cavity 17, a permanent magnet 20 attracted with the magnetic slider 18 is embedded in the rotary table 13, the side wall, close to the cold air pipe 81, of the magnetic slider 18 is elastically connected with the inner wall of the arc-shaped cavity 17 through a first memory spring 19, and the side wall, close to the hot air pipe 82, of the magnetic slider 18 is elastically connected with the inner wall of the arc-shaped.
Further, in summer hot weather, the temperature on the first memory spring 19 reaches the deformation temperature, and then the first memory spring 19 contracts, so that the three-way pipe 14 communicates the cold air pipe 81 with the air outlet 15, as shown in fig. 2, in winter cold weather, the temperature on the first memory spring 19 is lower than the deformation temperature, and then the first memory spring 19 extends, so that the rotary table 13 rotates clockwise by 90 degrees, so that the three-way pipe 14 separates the cold air pipe 81 from the air outlet 15, as shown in fig. 4;
when the hot weather is inflammatory in summer, the temperature on the second memory spring 21 reaches the deformation temperature, and then the second memory spring 21 extends, so that the three-way pipe 14 separates the hot air pipe 82 from the air outlet 15, as shown in fig. 3, when the cold weather is cold in winter, the temperature on the second memory spring 21 is lower than the deformation temperature, and then the second memory spring 21 stretches, so that the rotary disc 13 rotates clockwise by 90 degrees, so that the three-way pipe 14 communicates the hot air pipe 82 with the air outlet 15, as shown in fig. 5.
The pipe diameters of the three-way pipe 14 are the same as those of the cold air pipe 81, the hot air pipe 82 and the exhaust pipe 16.
According to the invention, when a new energy automobile runs on the road, the air cup 3 rotates under the impact of external wind, so that the air cup 3 made of a magnetic material continuously sweeps below the magnetic plate 5, the magnetic plate 5 slides up and down on the inner wall of the strip-shaped cavity 4 under the action of the suction force of the air cup 3 and the elastic force of the telescopic spring 6, the space in the strip-shaped cavity 4 is continuously increased and decreased, air is intermittently pumped into the air storage cavity 7 under the action of the one-way air suction pipe 10 and the one-way air outlet pipe 11, the pressure in the air storage cavity 7 is gradually increased, and when the pressure in the air storage cavity 7 reaches the critical value of a pressure release valve arranged in the one-way air injection pipe 9, high-pressure air in the air storage cavity 7 enters the vortex pipe 8 at high speed through the one-way air injection pipe 9, so that cold air and hot air are respectively generated in the cold air pipe 81 and;
in hot weather in summer, the temperatures of the first memory spring 19 and the second memory spring 21 reach deformation temperatures, the first memory spring 19 contracts, the three-way pipe 14 conducts the cold air pipe 81 with the air outlet 15, cold air generated on the vortex tube 8 enters the battery cavity 101 through the cold air pipe 81, the three-way pipe 14 and the air outlet 15 to cool the battery cavity 101, and meanwhile, the second memory spring 21 extends to enable the three-way pipe 14 to separate the hot air pipe 82 from the air outlet 15, so that hot air generated on the vortex tube 8 is discharged through the hot air pipe 82, the three-way pipe 14 and the exhaust pipe 16;
in cold weather in winter, the temperature on the first memory spring 19 and the second memory spring 21 is lower than the deformation temperature of the first memory spring, the second memory spring 21 contracts, the magnetic slider 18 and the permanent magnet 20 drive the rotary table 13 to rotate 90 degrees clockwise, the three-way pipe 14 conducts the hot air pipe 82 and the air outlet 15, hot air generated on the vortex pipe 8 enters the battery cavity 101 through the hot air pipe 82, the three-way pipe 14 and the air outlet 15, the temperature of the battery cavity 101 is raised, the first memory spring 19 extends simultaneously, the magnetic slider 18 and the permanent magnet 20 drive the rotary table 13 to rotate 90 degrees clockwise, the cold air pipe 81 and the air outlet 15 are separated by the three-way pipe 14, and cold air generated on the vortex pipe 8 is discharged through the cold air pipe 81, the three-way pipe 14 and the exhaust pipe 16.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The high-efficiency new energy automobile lithium battery capable of adapting to external temperature change comprises a shell (1) and is characterized in that a partition plate (2) is fixedly connected to the inner wall of the shell (1), the partition plate (2) divides the interior of the shell (1) into a battery cavity (101) and a cavity (102), a vortex tube (8) is fixedly connected to the inner wall of the cavity (102), two circular cavities (12) are symmetrically formed in the partition plate (2), a rotary disc (13) is connected to the inner wall of each circular cavity (12) in a sealing and rotating mode, a three-way pipe (14) is embedded in the rotary disc (13), the side wall of the vortex tube (8) is respectively connected with the middle portions of the inner walls of the two circular cavities (12) through a cold air pipe (81) and a hot air pipe (82), air outlet holes (15) are formed in the inner walls of the two circular cavities (12) close to the battery cavity (101), and an exhaust pipe (16) is fixedly, two install drive carousel (13) pivoted actuating mechanism in circular chamber (12), install on casing (1) and pump into high-pressure gas's pump gas mechanism in vortex tube (8).
2. The efficient new energy automobile lithium battery adaptable to external temperature change according to claim 1, wherein the air pumping mechanism comprises a magnetic plate (5), a strip-shaped cavity (4) is formed in a side wall of the shell (1), the magnetic plate (5) is in sliding connection with an inner wall of the strip-shaped cavity (4) in a sealing mode, the lower end of the magnetic plate (5) is elastically connected with the bottom of the strip-shaped cavity (4) through an expansion spring (6), an air storage cavity (7) is formed in a side wall, located above the strip-shaped cavity (4), of the shell (1), a one-way air suction pipe (10) is fixedly connected to the inner wall of the strip-shaped cavity (4), the top of the inner portion of the strip-shaped cavity (4) is connected with the inner wall of the air storage cavity (7) through a one-way air outlet pipe (11), and the inner wall of the air storage cavity (7) is fixedly connected.
3. The efficient new energy automobile lithium battery adaptable to the external temperature change as claimed in claim 1, wherein the lower end of the shell (1) is rotatably connected with a plurality of wind cups (3) through a rotating shaft, and one of the wind cups (3) is made of a magnetic material.
4. The efficient new energy automobile lithium battery adaptable to external temperature change is characterized in that the driving mechanism comprises a magnetic sliding block (18), an arc-shaped cavity (17) is formed in the inner wall, far away from the exhaust pipe (16), of the circular cavity (12), the magnetic sliding block (18) is in sliding connection with the inner wall of the arc-shaped cavity (17), a permanent magnet (20) attracted with the magnetic sliding block (18) is embedded in the rotary table (13), the side wall, close to the cold air pipe (81), of the magnetic sliding block (18) is elastically connected with the inner wall of the arc-shaped cavity (17) through a first memory spring (19), and the side wall, close to the hot air pipe (82), of the magnetic sliding block (18) is elastically connected with the inner wall of the arc-shaped cavity (17) through a second memory spring (21).
5. The efficient new energy automobile lithium battery adaptable to external temperature change as claimed in claim 1, wherein the pipe diameter of the three-way pipe (14) is the same as that of the cold air pipe (81), the hot air pipe (82) and the exhaust pipe (16).
6. The efficient new energy automobile lithium battery adaptable to external temperature change as claimed in claim 2, wherein a pressure release valve is installed in the one-way air injection pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110044344.2A CN112786994A (en) | 2021-01-13 | 2021-01-13 | High-efficient type new energy automobile lithium cell of adaptable ambient temperature change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110044344.2A CN112786994A (en) | 2021-01-13 | 2021-01-13 | High-efficient type new energy automobile lithium cell of adaptable ambient temperature change |
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| Publication Number | Publication Date |
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| CN112786994A true CN112786994A (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110044344.2A Withdrawn CN112786994A (en) | 2021-01-13 | 2021-01-13 | High-efficient type new energy automobile lithium cell of adaptable ambient temperature change |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825068A (en) * | 2014-03-07 | 2014-05-28 | 中通客车控股股份有限公司 | Power battery module temperature control system for new energy coach |
| CN107234975A (en) * | 2017-06-23 | 2017-10-10 | 广东机电职业技术学院 | Electrokinetic cell vortex tube heat management system |
| CN109994795A (en) * | 2017-12-29 | 2019-07-09 | 南方科技大学 | Power battery cooling system |
| CN110588439A (en) * | 2019-09-10 | 2019-12-20 | 柳州市孚桂智能科技有限公司 | Energy source temperature regulating device for motor vehicle and method for controlling the same |
| CN111293348A (en) * | 2020-02-28 | 2020-06-16 | 沐玉良 | New energy automobile lithium cell suitable for under low temperature |
-
2021
- 2021-01-13 CN CN202110044344.2A patent/CN112786994A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825068A (en) * | 2014-03-07 | 2014-05-28 | 中通客车控股股份有限公司 | Power battery module temperature control system for new energy coach |
| CN107234975A (en) * | 2017-06-23 | 2017-10-10 | 广东机电职业技术学院 | Electrokinetic cell vortex tube heat management system |
| CN109994795A (en) * | 2017-12-29 | 2019-07-09 | 南方科技大学 | Power battery cooling system |
| CN110588439A (en) * | 2019-09-10 | 2019-12-20 | 柳州市孚桂智能科技有限公司 | Energy source temperature regulating device for motor vehicle and method for controlling the same |
| CN111293348A (en) * | 2020-02-28 | 2020-06-16 | 沐玉良 | New energy automobile lithium cell suitable for under low temperature |
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Application publication date: 20210511 |