CN213278293U - Battery pack with heating and battery core temperature equalization functions - Google Patents
Battery pack with heating and battery core temperature equalization functions Download PDFInfo
- Publication number
- CN213278293U CN213278293U CN202022598451.3U CN202022598451U CN213278293U CN 213278293 U CN213278293 U CN 213278293U CN 202022598451 U CN202022598451 U CN 202022598451U CN 213278293 U CN213278293 U CN 213278293U
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- Prior art keywords
- battery pack
- heating
- plate
- equalization
- lithium ion
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 60
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 29
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000741 silica gel Substances 0.000 claims abstract description 20
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 20
- 238000009413 insulation Methods 0.000 claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
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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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- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model relates to a battery pack with heating and cell temperature equalization, which comprises a lithium ion battery module, a heat conducting silica gel sheet, a PTC heating equalization plate, an insulating thermal baffle and a battery pack box body, the bottom of the inner side of the battery pack box body is adhered with the insulating heat insulation plate, the PTC heating equalization plate is adhered to the upper end face of the insulating heat insulation plate, the heat-conducting silica gel sheet is attached to the upper end face of the PTC heating equalization plate and is attached to and connected with the bottom face of the lithium ion battery module, the lithium ion battery module is fixedly connected with the battery pack box body by adopting a bolt fixing mode, the utility model is provided with a battery pack with heating and battery core temperature balancing functions, the battery pack has the advantages of high temperature resistance limit, high heating rate and moderate power density during heating, has the characteristic of balancing the temperature of the battery core during non-heating, and effectively ensures the normal work of the battery pack and the temperature consistency of the battery system.
Description
Technical Field
The utility model relates to a new forms of energy lithium ion battery field especially relates to a battery package with heating and electric core temperature are balanced.
Background
The lithium ion battery as a new energy power battery refers to a power source which adopts unconventional fuel as power and has new technology, new structure, cleanness and no pollution. At present, along with the development of lithium ion battery systems, the environmental adaptability of the lithium ion battery systems is very important, especially in northern areas with severe air pollution and low temperature, the application of the lithium ion batteries is more urgent, but the low temperature environment (below-10 ℃) hinders the safe and efficient use of the lithium ion batteries, the consistency of single battery cells is different due to the technical limitation of the production and manufacturing of the lithium ion batteries, however, the difference of the capacity of each battery cell in the charging and discharging process after the system is formed causes temperature rise difference, the service life of the whole battery system is greatly shortened, and therefore, a battery pack with heating and battery cell temperature balance needs to be designed to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery package with heating and electric core temperature are balanced to the technical problem who exists among the prior art, concrete technical scheme as follows:
the utility model provides a battery package with heating and electric core temperature are balanced, including lithium ion battery module, heat conduction silica gel piece, PTC heating equalizer plate and insulating heat insulating board and battery package box, paste the inboard bottom of battery package box insulating heat insulating board, PTC heating equalizer plate is attached insulating heat insulating board up end, PTC heating equalizer plate up end is attached with heat conduction silica gel piece, heat conduction silica gel piece with the attached connection in bottom surface of lithium ion battery module, lithium ion battery module again with battery package box adopts bolt fastening's mode fixed connection.
The utility model discloses a further improvement lies in: the battery pack box body is internally provided with a cuboid concave cavity structure.
The utility model discloses a further improvement lies in: the length of the insulating and heat insulating plate is greater than that of the PTC heating balance plate.
The utility model discloses a further improvement lies in: the width of the heat conduction silica gel sheet is smaller than that of the PTC heating equalization plate.
The utility model discloses a further improvement lies in: the outside of the PTC heating equalization plate is an aluminum extruded section, and the inside of the PTC heating equalization plate is a ceramic heating element.
The utility model discloses a further improvement lies in: the lithium ion battery module, the heat conduction silica gel sheet, the PTC heating equalization plate, the insulation heat insulation plate and the battery pack box body are in close contact connection.
The utility model has the advantages that:
the utility model provides a lithium ion battery low temperature performance poor with the problem that can't charge, also solved simultaneously because individual electric core's difference, the system is at the unbalanced problem of charge-discharge in-process electric core temperature, such design has the practicality strong and wide market application prospect.
Drawings
Fig. 1 is a schematic structural view of the present invention, which is entirely exploded;
description of the drawings: 1-lithium ion battery module, 2-heat conducting silica gel sheet, 3-PTC heating equalization plate, 4-insulating heat insulation plate and 5-battery pack box.
Detailed Description
In order to make the technical field person understand the scheme of the present invention better, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical scheme in the embodiments of the present invention.
The embodiment provides a battery pack with heating and cell temperature balancing, including lithium ion battery module 1, heat conduction silica gel sheet 2, PTC heating equalizer plate 3 and insulating heat insulating board 4 and battery pack box 5, paste in the inboard bottom of battery pack box 5 insulating heat insulating board 4, PTC heating equalizer plate 3 is attached at insulating heat insulating board 4 up end, 3 up end pastes with of PTC heating equalizer plate heat conduction silica gel sheet 2, heat conduction silica gel sheet 2 with the attached connection in bottom surface of lithium ion battery module 1, lithium ion battery module 1 again with battery pack box 5 adopts the mode of bolt fastening fixed, and whole assembly mode guarantees that close contact is connected between lithium ion battery module 1, heat conduction silica gel sheet 2, PTC heating equalizer plate 3, insulating heat insulating board 4 and the battery pack box 5, sets up insulating heat insulating board 4 is for preventing heat that PTC heating equalizer plate 3 produces during heating is by battery pack box The body 5 is thermally conductive and then volatilised.
The battery pack box body 5 is internally of a cuboid concave cavity structure, the length of the insulating heat insulation plate 4 is greater than that of the PTC heating equalization plate 3, the width of the heat conduction silica gel sheet 2 is smaller than that of the PTC heating equalization plate 3, the PTC heating equalization plate 3 has the characteristics of high heating rate, small temperature difference and high heat conduction speed, the external part is an aluminum extruded section, and the internal part is a ceramic heating element; the insulating and heat-insulating plate 4 has the characteristics of high temperature resistance, good insulating property, low heat conductivity coefficient and the like, and the heat-conducting silica gel sheet 2 has the characteristics of high heat conductivity coefficient, insulation, compressibility and the like.
The working principle is as follows:
when the PTC heating equalization plate 3 starts to heat, the temperature on the PTC heating equalization plate 3 is transmitted to the lithium ion battery module 1 through the heat conduction silica gel sheet 2, the heat generated by the PTC heating equalization plate 3 is also transmitted to the battery pack box body 5 through the insulation heat insulation plate 4 after being isolated, so that the purpose of heating the battery core is achieved, and when the temperature of the lithium ion battery module 1 reaches the working temperature, the whole battery system can normally work in a low-temperature environment.
When the PTC heating equalization plate 3 is out of working state, it is a good heat conductor, each electric core of the lithium ion battery module 1 is in good contact with the PTC heating equalization plate 3 in the charging and discharging process, and each electric core of the lithium ion battery module 1 is in heat conduction with the PTC heating equalization plate 3, so as to achieve the purpose of equalizing temperature.
The utility model has the advantages that:
the utility model discloses can heat for the battery module under low temperature environment, have balanced electric core temperature's function simultaneously, temperature resistant limit height and fast and the moderate advantage of power density of rate of rising temperature when having the heating have the characteristic of balanced electric core temperature when not heating, effectively guaranteed the normal work of battery package and battery system's temperature uniformity, such design has the practicality and wide market application prospect.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing detailed description, or equivalent replacements may be made for some of the technical features of the embodiments. All utilize the equivalent structure that the content of the utility model discloses a specification and attached drawing was done, direct or indirect application is in other relevant technical field, all is in the same way the utility model discloses within the patent protection scope.
Claims (6)
1. The utility model provides a battery package with heating and electric core temperature are balanced which characterized in that: the battery pack comprises a lithium ion battery module, a heat-conducting silica gel sheet, a PTC heating equalization plate, an insulating heat insulation plate and a battery pack box body, wherein the insulating heat insulation plate is attached to the bottom of the inner side of the battery pack box body, the PTC heating equalization plate is attached to the upper end face of the insulating heat insulation plate, the heat-conducting silica gel sheet is attached to the upper end face of the PTC heating equalization plate, the heat-conducting silica gel sheet is attached to the bottom face of the lithium ion battery module and is connected with the lithium ion battery module, and the lithium ion battery module is fixedly connected with the battery pack box body in a bolt fixing mode.
2. The battery pack with heating and cell temperature equalization of claim 1, wherein: the battery pack box body is internally provided with a cuboid concave cavity structure.
3. The battery pack with heating and cell temperature equalization of claim 1, wherein: the length of the insulating and heat insulating plate is greater than that of the PTC heating balance plate.
4. The battery pack with heating and cell temperature equalization of claim 1, wherein: the width of the heat conduction silica gel sheet is smaller than that of the PTC heating equalization plate.
5. The battery pack with heating and cell temperature equalization of claim 1, wherein: the outside of the PTC heating equalization plate is an aluminum extruded section, and the inside of the PTC heating equalization plate is a ceramic heating element.
6. The battery pack with heating and cell temperature equalization of claim 1, wherein: the lithium ion battery module, the heat conduction silica gel sheet, the PTC heating equalization plate, the insulation heat insulation plate and the battery pack box body are in close contact connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022598451.3U CN213278293U (en) | 2020-11-11 | 2020-11-11 | Battery pack with heating and battery core temperature equalization functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022598451.3U CN213278293U (en) | 2020-11-11 | 2020-11-11 | Battery pack with heating and battery core temperature equalization functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213278293U true CN213278293U (en) | 2021-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022598451.3U Active CN213278293U (en) | 2020-11-11 | 2020-11-11 | Battery pack with heating and battery core temperature equalization functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213278293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114039085A (en) * | 2021-10-29 | 2022-02-11 | 北京博瑞原子空间能源科技有限公司 | Lithium ion storage battery for satellite |
-
2020
- 2020-11-11 CN CN202022598451.3U patent/CN213278293U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114039085A (en) * | 2021-10-29 | 2022-02-11 | 北京博瑞原子空间能源科技有限公司 | Lithium ion storage battery for satellite |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 215332, 1st and 2nd floors, Zone B, Jindu Science and Technology Innovation Industrial Park, No. 55 Lisheng Road, Huaqiao Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Suzhou Liansheng New Energy Technology Co.,Ltd. Country or region after: China Address before: 215300 1st floor, building 1, No.8 CHENGWAN Road, Suzhou Industrial Park, Jiangsu Province Patentee before: Suzhou Liansheng New Energy Technology Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |