CN210182530U - Lithium battery pack with adjustable internal temperature - Google Patents
Lithium battery pack with adjustable internal temperature Download PDFInfo
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- CN210182530U CN210182530U CN201822238161.0U CN201822238161U CN210182530U CN 210182530 U CN210182530 U CN 210182530U CN 201822238161 U CN201822238161 U CN 201822238161U CN 210182530 U CN210182530 U CN 210182530U
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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
Abstract
The utility model discloses a lithium cell group with adjustable inside temperature, which comprises a housin, controller and a plurality of set up in the inside lithium cell of casing, the casing both sides are equipped with air-supply line and air-out pipeline respectively, air-supply line and air-out pipeline all communicate with the casing is inside, be equipped with air inlet fan in the air-supply line, be equipped with exhaust fan in the air-out pipeline, still include sealing device, sealing device includes first motor, the second motor, first baffle and second baffle, first motor sets up and is equipped with air-supply line one side in the casing, the output shaft of first motor penetrates in the casing, first baffle one side and first electronic output shaft fixed connection, the second motor sets up and is equipped with air-out pipeline one side in the casing, the output shaft of second motor penetrates in the casing, second baffle one side and the electronic output shaft fixed connection. The utility model provides a lithium cell group with adjustable inside temperature improves the work efficiency of lithium cell group.
Description
Technical Field
The utility model relates to a lithium cell group technical field especially relates to a lithium cell group with adjustable inside temperature.
Background
A "lithium battery" is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. Therefore, proper working temperature is required to better exert the performance of the lithium battery. Lithium ions are easy to precipitate at a negative electrode in the low-temperature charging process of the lithium battery, and lithium metal crystals, namely the phenomenon of lithium crystal branches, are generated. The generation of the lithium crystal branches can lead to the rupture of a diaphragm of the battery, so that the short circuit of the positive electrode and the negative electrode in the battery is caused, and the safety problem is caused; the lithium cell can take place chemical reaction when discharging inside the battery, produces a large amount of heat energy, leads to the battery temperature to rise, and when the inside high temperature of lithium cell, the normal work of lithium cell is influenced, and when the high temperature, the increase of lithium cell internal pressure probably arouses the condition such as explosion. Therefore, the lithium battery needs to work through a relatively suitable temperature environment
When using the lithium battery, people can establish ties or parallelly connected formation a lithium cell group with a plurality of lithium batteries, can use the lithium battery better. Therefore can all be equipped with heat abstractor with lithium cell group additional usually, but at the lower environment during operation of temperature, when the inside radiating rate of lithium cell group is very fast, can make the inside temperature of lithium cell group not reach the best operating temperature within range of lithium cell, can reduce the work efficiency of lithium cell group on the contrary, so need can adjust control to the inside temperature of lithium cell group.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lithium cell group with adjustable inside temperature adjusts through the radiating efficiency to lithium cell group to guarantee that the inside temperature of lithium cell group is in the scope that more is fit for the lithium cell and carries out work.
The utility model discloses a lithium cell group with adjustable inside temperature adopts technical scheme is:
a lithium battery pack with adjustable internal temperature comprises a shell, a controller and a plurality of lithium batteries arranged in the shell, wherein the controller is arranged in the shell, the inner wall of the shell is provided with a temperature sensor, the two sides of the shell are respectively provided with an air inlet pipeline and an air outlet pipeline, the air inlet pipeline and the air outlet pipeline are communicated with the inside of the shell, an air inlet fan is arranged in the air inlet pipeline, an air exhaust fan is arranged in the air outlet pipeline, the temperature sensor, the air inlet fan and the air outlet fan are all connected with the controller, the lithium battery pack further comprises a sealing device, the sealing device comprises a first motor, a second motor, a first baffle plate and a second baffle plate, the first motor is arranged at one side of the shell, an output shaft of the first motor penetrates into the shell, one side of the first baffle plate is fixedly connected with a first electric output shaft, and the first baffle, the second motor sets up in casing one side that is equipped with the air-out pipeline, the output shaft of second motor penetrates in the casing, second baffle one side and the electronic output shaft fixed connection of second, the laminating of second baffle and shells inner wall, first motor and second motor all are connected with the controller.
As the preferred scheme, the air inlet pipeline is arranged close to the top of the shell, and the air outlet pipeline is arranged close to the bottom of the shell.
As the preferred scheme, the air inlet pipeline is provided with a filter screen at one end far away from the shell.
Preferably, the lithium batteries are vertically arranged in the shell, and gaps exist among the lithium batteries.
Preferably, the lithium batteries are arranged in the shell in a staggered mode.
The utility model discloses a lithium cell group with adjustable inside temperature's beneficial effect is: the controller sets up in the casing, and is equipped with temperature sensor at shells inner wall, is equipped with air-supply line and air-out pipeline in the casing both sides, is equipped with air inlet fan and induced-draft fan in air-supply line and the air-out pipeline respectively, and temperature sensor, air inlet fan and induced-draft fan all are connected with temperature sensor. When the temperature sensor detects that the internal temperature of the lithium battery pack is too high, the circulation of the internal air of the lithium battery pack is accelerated by controlling the opening of the air inlet fan and the air exhaust fan, so that the heat on the surface of the lithium battery is taken away through the air, and the purpose of heat dissipation is achieved. The first motor is arranged on one side of the casing, which is provided with the air inlet pipeline, the output shaft of the first motor penetrates into the casing and is fixedly connected with the first baffle, the second motor is arranged on one side of the casing, which is provided with the air outlet pipeline, the output shaft of the second motor penetrates into the casing and is fixedly connected with the second baffle, and the first motor and the second motor are connected with the controller. When the lithium battery pack works in a low-temperature environment, when the temperature sensor detects that the internal temperature of the lithium battery pack is low, the controller controls the first motor and the second motor to rotate, the first baffle plate rotates towards one side of the air inlet pipeline, the opening degree of the air inlet pipeline is reduced, and therefore the amount of outside air entering the lithium battery pack is reduced; the second baffle rotates towards one side of the air outlet pipeline, so that the opening degree of the air outlet pipeline is reduced, the amount of air in the lithium battery pack which is pumped out through the exhaust fan is reduced, the heat dissipation efficiency of the lithium battery pack is reduced, the temperature in the lithium battery pack is kept at a temperature which is more suitable for the working of a lithium battery, and the working efficiency of the lithium battery pack is improved; when special circumstances, first baffle and second baffle can block air inlet pipeline and air-out pipeline completely, make the lithium cell group in be in sealed state, reduce thermal loss, guarantee the work efficiency of lithium cell group.
Drawings
Fig. 1 is a schematic diagram of the internal temperature adjustable lithium battery pack of the present invention.
Fig. 2 is a cross-sectional view of the internal temperature adjustable lithium battery pack of the present invention.
Detailed Description
The invention will be further elucidated and described with reference to the following embodiments and drawings in which:
referring to fig. 1 and 2, a lithium battery pack with adjustable internal temperature includes a housing 10, a controller 20, and a plurality of lithium batteries 30 disposed inside the housing 10.
The controller 20 is arranged in the shell 10, the inner wall of the shell 10 is provided with the temperature sensor 11, the two sides of the shell 10 are respectively provided with the air inlet pipeline 12 and the air outlet pipeline 13, the air inlet pipeline 12 and the air outlet pipeline 13 are both communicated with the inside of the shell 10, the air inlet pipeline 12 is internally provided with the air inlet fan 121, the air outlet pipeline 13 is internally provided with the air extracting fan 131, the temperature sensor 11, the air inlet fan 121 and the air outlet fan are all connected with the controller 20,
when temperature sensor 11 detects the inside high temperature of lithium cell group, through opening of control air inlet fan 121 and updraft fan 131 for the circulation of the inside air of lithium cell group to take away the heat on lithium cell 30 surface through the air, thereby realize radiating purpose.
The air inlet pipe 12 is arranged near the top of the shell 10, and the air outlet pipe 13 is arranged near the bottom of the shell 10. The air entering from the air inlet pipe 12 can stay in the lithium battery 30 for a long time, so that the air can be fully contacted with the surface of the lithium battery 30, and the heat on the surface of the lithium battery 30 is taken away.
One end of the air inlet pipe 12, which is far away from the shell 10, is provided with a filter screen 122 for blocking impurities in the outside air, and preventing the impurities from entering the lithium battery pack and affecting the normal operation of the lithium battery pack.
And the lithium batteries 30 are vertically arranged in the case 10, gaps exist between the lithium batteries 30, and the lithium batteries 30 are arranged in the case 10 in a staggered manner. The lithium battery 30 is not contacted with each other, so that the heat conduction between the lithium battery 30 and the lithium battery 30 is avoided, and the heat dissipation area of the lithium battery 30 is increased.
Still include sealing device, sealing device includes first motor 41, second motor 42, first baffle 43 and second baffle 44, first motor 41 sets up in casing 10 and is equipped with intake stack 12 one side, the output shaft of first motor 41 penetrates in casing 10, first baffle 43 one side and first electronic output shaft fixed connection, first baffle 43 and casing 10 inner wall laminating, second motor 42 sets up in casing 10 and is equipped with air-out pipeline 13 one side, the output shaft of second motor 42 penetrates in casing 10, second baffle 44 one side and the electronic output shaft fixed connection of second, second baffle 44 and casing 10 inner wall laminating, first motor 41 and second motor 42 all are connected with controller 20.
When the temperature sensor 11 detects that the internal temperature of the lithium battery pack is low, the controller 20 controls the first motor 41 and the second motor 42 to rotate, so that the first baffle 43 rotates towards one side of the air inlet pipeline 12, the opening degree of the air inlet pipeline 12 is reduced, and the amount of outside air entering the lithium battery pack is reduced; the second baffle 44 rotates towards one side of the air outlet pipeline 13, so that the opening degree of the air outlet pipeline 13 is reduced, the amount of air in the lithium battery pack which is pumped out through the exhaust fan 131 is reduced, the heat dissipation efficiency of the lithium battery pack is reduced, the temperature in the lithium battery pack is kept at a temperature which is more suitable for the working of the lithium battery 30, and the working efficiency of the lithium battery pack is improved; in special cases, the first baffle 43 and the second baffle 44 can completely block the air inlet pipeline 12 and the air outlet pipeline 13, so that the lithium battery pack is in a sealed state, the heat loss is reduced, and the working efficiency of the lithium battery pack is ensured.
A heating net 123 is also arranged in the air inlet pipeline 12, and the heating net 123 is connected with the controller 20. When the lithium cell group during operation in extreme environment, if winter in the north when outdoor temperature is lower, can do earlier and preheat before lithium cell 30 works, inhale the intake duct 12 through air inlet fan 121 with external air in, the work of controller 20 control heating net 123, heat the air that enters into in the intake duct 12, inside letting in casing 10, heat lithium cell 30, make the inside working temperature that can reach lithium cell 30 more suitable of lithium cell group, improve the work efficiency of lithium cell group.
In the above scheme, casing 10 surface is equipped with heat preservation 14, utilizes heat preservation 14 can reduce the heat loss on casing 10 surface, and the temperature is lower when preventing that lithium cell group from being worked in cold extreme weather, leads to lithium cell group to break down. And the heat-insulating layer 14 is detachably connected with the shell 10, so that people can conveniently adjust the lithium battery pack, for example, the lithium battery pack is used in summer and southern areas.
The utility model provides a lithium cell group with adjustable inside temperature, controller set up in the casing, and are equipped with temperature sensor at shells inner wall, are equipped with air-supply line and air-out pipeline in the casing both sides, are equipped with air inlet fan and induced draft fan in air-supply line and the air-out pipeline respectively, and temperature sensor, air inlet fan and induced draft fan all are connected with temperature sensor. When the temperature sensor detects that the internal temperature of the lithium battery pack is too high, the circulation of the internal air of the lithium battery pack is accelerated by controlling the opening of the air inlet fan and the air exhaust fan, so that the heat on the surface of the lithium battery is taken away through the air, and the purpose of heat dissipation is achieved. The first motor is arranged on one side of the casing, which is provided with the air inlet pipeline, the output shaft of the first motor penetrates into the casing and is fixedly connected with the first baffle, the second motor is arranged on one side of the casing, which is provided with the air outlet pipeline, the output shaft of the second motor penetrates into the casing and is fixedly connected with the second baffle, and the first motor and the second motor are connected with the controller. When the lithium battery pack works in a low-temperature environment, when the temperature sensor detects that the internal temperature of the lithium battery pack is low, the controller controls the first motor and the second motor to rotate, the first baffle plate rotates towards one side of the air inlet pipeline, the opening degree of the air inlet pipeline is reduced, and therefore the amount of outside air entering the lithium battery pack is reduced; the second baffle rotates towards one side of the air outlet pipeline, so that the opening degree of the air outlet pipeline is reduced, the amount of air in the lithium battery pack which is pumped out through the exhaust fan is reduced, the heat dissipation efficiency of the lithium battery pack is reduced, the temperature in the lithium battery pack is kept at a temperature which is more suitable for the working of a lithium battery, and the working efficiency of the lithium battery pack is improved; when special circumstances, first baffle and second baffle can block air inlet pipeline and air-out pipeline completely, make the lithium cell group in be in sealed state, reduce thermal loss, guarantee the work efficiency of lithium cell group.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. A lithium battery pack with adjustable internal temperature is characterized by comprising a shell, a controller and a plurality of lithium batteries arranged inside the shell, wherein the controller is arranged in the shell, a temperature sensor is arranged on the inner wall of the shell, an air inlet pipeline and an air outlet pipeline are respectively arranged on two sides of the shell, the air inlet pipeline and the air outlet pipeline are communicated with the inside of the shell, an air inlet fan is arranged in the air inlet pipeline, an air exhaust fan is arranged in the air outlet pipeline, the temperature sensor, the air inlet fan and the air outlet fan are connected with the controller, the lithium battery pack further comprises a sealing device, the sealing device comprises a first motor, a second motor, a first baffle plate and a second baffle plate, the first motor is arranged on one side of the shell, an output shaft of the first motor penetrates into the shell, one side of the first baffle plate is fixedly connected with an output shaft of, the first baffle is attached to the inner wall of the shell, the second motor is arranged on one side of the shell, which is provided with an air outlet pipeline, an output shaft of the second motor penetrates into the shell, one side of the second baffle is fixedly connected with an electric output shaft of the second, the second baffle is attached to the inner wall of the shell, and the first motor and the second motor are both connected with the controller.
2. The internal temperature adjustable lithium battery pack as claimed in claim 1, wherein the air inlet duct is disposed adjacent to a top of the case, and the air outlet duct is disposed adjacent to a bottom of the case.
3. The lithium battery pack with adjustable internal temperature according to claim 2, wherein a filter screen is disposed at an end of the air inlet pipe away from the case.
4. The internal temperature regulated lithium battery pack of claim 1, wherein the lithium cells are vertically disposed within a housing with gaps between the lithium cells.
5. The internal temperature regulated lithium battery pack of claim 4, wherein the lithium batteries are interleaved within the housing.
6. The internal temperature tunable lithium battery pack according to claim 1, wherein the surface of the case is provided with an insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822238161.0U CN210182530U (en) | 2018-12-28 | 2018-12-28 | Lithium battery pack with adjustable internal temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822238161.0U CN210182530U (en) | 2018-12-28 | 2018-12-28 | Lithium battery pack with adjustable internal temperature |
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| Publication Number | Publication Date |
|---|---|
| CN210182530U true CN210182530U (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822238161.0U Active CN210182530U (en) | 2018-12-28 | 2018-12-28 | Lithium battery pack with adjustable internal temperature |
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| CN (1) | CN210182530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113394477A (en) * | 2021-06-03 | 2021-09-14 | 合肥国盛电池科技有限公司 | Split type lithium battery thermal management control device |
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2018
- 2018-12-28 CN CN201822238161.0U patent/CN210182530U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113394477A (en) * | 2021-06-03 | 2021-09-14 | 合肥国盛电池科技有限公司 | Split type lithium battery thermal management control device |
| CN113394477B (en) * | 2021-06-03 | 2022-12-09 | 安徽铎坤新能源科技有限公司 | Split type lithium battery thermal management control device |
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