CN219696535U - Lithium battery heat conduction silica gel sheet - Google Patents
Lithium battery heat conduction silica gel sheet Download PDFInfo
- Publication number
- CN219696535U CN219696535U CN202320219299.4U CN202320219299U CN219696535U CN 219696535 U CN219696535 U CN 219696535U CN 202320219299 U CN202320219299 U CN 202320219299U CN 219696535 U CN219696535 U CN 219696535U
- Authority
- CN
- China
- Prior art keywords
- silica gel
- sheet
- heat conduction
- sheet body
- lithium battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 239000000741 silica gel Substances 0.000 title claims abstract description 60
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 60
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 46
- 239000000853 adhesive Substances 0.000 claims description 15
- 230000001070 adhesive effect Effects 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 239000002390 adhesive tape Substances 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 3
- 239000011435 rock Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 12
- 238000001816 cooling Methods 0.000 description 10
- 230000006378 damage Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model belongs to the technical field of lithium batteries, and particularly relates to a lithium battery heat-conducting silica gel sheet, which comprises a heat-conducting silica gel body, wherein the heat-conducting silica gel body is composed of a first sheet body, a second sheet body and a connecting sheet, the first sheet body is connected to one end of the connecting sheet, the second sheet body is connected to the other end of the connecting sheet, the first sheet body, the second sheet body and the connecting sheet are mutually matched to form a U-shaped structure, a first air bag is arranged in an inner cavity of the first sheet body, and a second air bag is arranged in an inner cavity of the second sheet body; the utility model discloses a gasbag and No. two gasbag inflation back can make a lamellar body and No. two lamellar bodies inflation respectively to can pack the gap between two sets of lithium cell group, can avoid the lithium cell group to take place to rock the phenomenon at the during operation, can promote the stability of lithium cell during operation, the thickness of heat conduction silica gel body can be adjusted according to the gap between two sets of lithium cell group, uses more nimble, reducible quantity to the heat conduction silica gel body.
Description
Technical Field
The utility model relates to the technical field of lithium batteries, in particular to a lithium battery heat conduction silica gel sheet.
Background
The main characteristics of the soft heat-conducting silica gel sheet are as follows: heat conduction, insulation, self-adhesion, shock resistance, filling and ultra-softness. Temperature resistance: -40-200 ℃ material composition: the high-purity mixed silica gel and the high-purity liquid silica gel are compounded and developed according to a certain proportion by corresponding special imported materials such as heat dissipation, fire prevention and the like. The function is as follows: the heat-conducting silicone sheets are used to fill the air gap between the heat-generating device and the heat sink or metal base, their flexible, elastic characteristics enable it to be used for covering, and the heat-conducting silicone sheets are used to fill the air gap between the heat-generating device and the heat sink or metal base, their flexible, elastic characteristics enable it to be used for covering very uneven surfaces. Heat is conducted from the separate device or the entire PCB to the metal housing or the diffusion plate, thereby improving the efficiency and service life of the heat generating electronic components.
The heat conduction silica gel sheet is used for filling between lithium battery packs, the thickness of the heat conduction silica gel sheet is thinner, when gaps between the lithium battery packs are larger, more heat conduction silica gel sheets need to be folded, so that the use amount of the heat conduction silica gel sheet is increased, the use cost is greatly increased, and the heat conduction silica gel sheet for the lithium battery is provided for solving the problems.
Disclosure of Invention
Object of the utility model
In order to solve the technical problems in the background art, the utility model provides the heat-conducting silica gel sheet for the lithium battery, wherein after the first air bag and the second air bag are inflated, the first sheet body and the second sheet body can be respectively inflated, so that gaps between two groups of lithium battery packs can be filled, the shaking phenomenon of the lithium battery packs during working can be avoided, the stability of the lithium battery during working can be improved, the thickness of the heat-conducting silica gel body can be adjusted according to the gaps between the two groups of lithium battery packs, the use is more flexible, and the consumption of the heat-conducting silica gel body can be reduced.
(II) technical scheme
In order to solve the technical problems, the utility model provides a lithium battery heat-conducting silica gel sheet, which comprises a heat-conducting silica gel body, wherein the heat-conducting silica gel body is composed of a first sheet body, a second sheet body and a connecting sheet, the first sheet body is connected to one end of the connecting sheet, the second sheet body is connected to the other end of the connecting sheet, the first sheet body, the second sheet body and the connecting sheet are mutually matched to form a U-shaped structure, a first air bag is arranged in an inner cavity of the first sheet body, and a second air bag is arranged in an inner cavity of the second sheet body.
Preferably, the end surfaces of the first air bag and the second air bag are respectively connected with an air injection pipe in a conducting mode, and a check valve is arranged on the surface of the air injection pipe.
Preferably, the inner wall composite connection of heat conduction silica gel body has waterproof subsides, waterproof subsides outer wall is laminated mutually with the inner wall of heat conduction silica gel body.
Preferably, the inner wall of the waterproof patch is stuck with an inner adhesive patch, and the inner adhesive patch is symmetrically arranged on the inner wall of the U-shaped structure of the waterproof patch.
Preferably, the surface of one side of the first sheet body and the surface of the second sheet body, which are far away from each other, are adhered with an outer adhesive, and the surface of the outer adhesive is adhered with a release film.
Preferably, the lower surface of the connecting sheet is stuck with a bottom adhesive, and the surface of the bottom adhesive is stuck with a release film.
Preferably, folding grooves are formed in the middle of the cavity walls of the first sheet body and the second sheet body.
The technical scheme of the utility model has the following beneficial technical effects:
1. according to the utility model, the first air bag and the second air bag can be inflated respectively, so that gaps between the two groups of lithium battery packs can be filled, the shaking phenomenon of the lithium battery packs during operation can be avoided, the stability of the lithium battery during operation can be improved, the thickness of the heat-conducting silica gel body can be adjusted according to the gaps between the two groups of lithium battery packs, the use is more flexible, and the use amount of the heat-conducting silica gel body can be reduced.
2. According to the utility model, the liquid cooling pipe is placed in the U-shaped groove of the heat conduction silica gel body, the liquid cooling pipe can be fixed by sticking the inner glue paste to the surface of the liquid cooling pipe, the heat conduction silica gel body can be protected by the waterproof paste, and the damage to the lithium battery pack caused by leakage of cooling liquid in the liquid cooling pipe is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the structure of the air bag according to the present utility model;
fig. 4 is a schematic view of the waterproof adhesive structure of the present utility model.
Reference numerals:
1. a first sheet body; 2. a second sheet body; 3. a connecting sheet; 4. a first air bag; 5. a second air bag; 6. an air injection pipe; 7. a non-return valve; 8. waterproof plaster; 9. an inner adhesive tape; 10. an outer adhesive tape; 11. a bottom glue paste; 12. folding groove.
Detailed Description
The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
As shown in fig. 1-4, the heat-conducting silica gel sheet for the lithium battery provided by the utility model comprises a heat-conducting silica gel body, wherein the heat-conducting silica gel body is composed of a first sheet body 1, a second sheet body 2 and a connecting sheet 3, the first sheet body 1 is connected to one end of the connecting sheet 3, the second sheet body 2 is connected to the other end of the connecting sheet 3, the first sheet body 1, the second sheet body 2 and the connecting sheet 3 are mutually matched to form a U-shaped structure, an inner cavity of the first sheet body 1 is provided with an air bag 4, and an inner cavity of the second sheet body 2 is provided with an air bag 5.
It should be noted that, the heat conduction silica gel body comprises a sheet body 1, a sheet body 2 and a connecting sheet 3, the sheet body 1 and the sheet body 2 are folded to be in a U-shaped structure after being folded, the heat conduction silica gel body is placed between two groups of lithium battery packs after being folded, the surface of the heat conduction silica gel body is adhered to the surface of the lithium battery pack through the outer adhesive tape 10, the sheet body 1 and the sheet body 2 can be respectively inflated after the air bag 4 and the air bag 5 are inflated, so that gaps between the two groups of lithium battery packs can be filled, shaking phenomenon of the lithium battery packs during operation can be avoided, the stability of the lithium battery during operation can be improved, the thickness of the heat conduction silica gel body can be adjusted according to the gaps between the two groups of lithium battery packs, the use is more flexible, and the consumption of the heat conduction silica gel body can be reduced.
As shown in fig. 3, the end surfaces of the first air bag 4 and the second air bag 5 are respectively connected with an air injection pipe 6 in a conducting way, and a check valve 7 is arranged on the surface of the air injection pipe 6.
The gas injection pipe 6 is connected to the gas supply device, and gas can be injected into the first airbag 4 and the second airbag 5 through the gas injection pipe 6, respectively, and the check valve 7 can close the gas injection pipe 6.
As shown in fig. 2, the inner wall of the heat-conducting silica gel body is in composite connection with a waterproof patch 8, the outer wall of the waterproof patch 8 is attached to the inner wall of the heat-conducting silica gel body, an inner adhesive patch 9 is attached to the inner wall of the waterproof patch 8, and the inner adhesive patches 9 are symmetrically arranged on the inner wall of the U-shaped structure of the waterproof patch 8.
It should be noted that, the liquid cooling pipe is placed in the U type inslot of heat conduction silica gel body, pastes mutually with the liquid cooling pipe surface through interior glue subsides 9, can fix the liquid cooling pipe, can play the effect of protection to the heat conduction silica gel body through waterproof subsides 8, causes the injury to lithium cell group when avoiding the coolant liquid in the liquid cooling pipe to reveal.
As shown in fig. 1, an outer adhesive tape 10 is adhered to the surface of one side, away from each other, of the first sheet body 1 and the second sheet body 2, and a release film is adhered to the surface of the outer adhesive tape 10.
It should be noted that, after tearing off the release film adhered to the surface of the outer adhesive tape 10, two sides of the heat-conducting silica gel body may be adhered to the surface of the lithium battery pack.
As shown in fig. 2, a bottom adhesive 11 is adhered to the lower surface of the connecting piece 3, and a release film is adhered to the surface of the bottom adhesive 11.
It should be noted that, after tearing off the release film adhered to the surface of the bottom adhesive 11, the bottom of the heat-conducting silica gel body can be fixed by the bottom adhesive 11.
As shown in fig. 2, the middle parts of the cavity walls of the first sheet body 1 and the second sheet body 2 are provided with folding grooves 12.
The first sheet 1 and the second sheet 2 can be expanded by the folding groove 12.
The working principle and the using flow of the utility model are as follows: the heat conduction silica gel body comprises a sheet body 1, a sheet body 2 and a connecting sheet 3, the sheet body 1 and the sheet body 2 are folded to be of a U-shaped structure, the heat conduction silica gel body is folded and then placed between two groups of lithium battery packs, the surface of the heat conduction silica gel body is adhered to the surface of the lithium battery pack through an outer adhesive tape 10, the bottom of the heat conduction silica gel body is fixed through a bottom adhesive tape 11, an air injection pipe 6 is connected with air supply equipment, the air injection pipe 6 can be used for injecting air into an air bag 4 and an air bag 5 respectively, a check valve 7 can be used for closing the air injection pipe 6, the air bag 4 and the air bag 5 can be used for enabling the sheet body 1 and the sheet body 2 to expand respectively after being inflated, so that gaps between the two groups of lithium battery packs can be filled, the shaking phenomenon of the lithium battery packs can be avoided during operation, the stability of the lithium battery can be improved, the thickness of the heat conduction silica gel body can be adjusted according to the gaps between the two groups of lithium battery packs, the use is more flexible, the consumption of the heat conduction silica gel body can be reduced, the liquid cooling pipe is placed in a U-shaped groove of the heat conduction body, the heat conduction silica gel body can be used for sealing liquid and can be used for avoiding the damage to the heat conduction pipe from being adhered to the inner cooling liquid 8 through the inner cooling pipe, and the heat conduction pipe can be fixed to the heat exchange pipe through the heat pipe.
It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims or the equivalents of such scope and boundary.
Claims (7)
1. The utility model provides a lithium cell heat conduction silica gel piece, includes the heat conduction silica gel body, its characterized in that, the heat conduction silica gel body comprises a sheet body (1), no. two sheet bodies (2) and connection piece (3), no. one sheet body (1) is connected in connection piece (3) one end, no. two sheet bodies (2) are connected at the connection piece (3) other end, a U-shaped structure is constituteed in mutual cooperation of sheet body (1), no. two sheet bodies (2) and connection piece (3), no. one sheet body (1) inner chamber is equipped with an gasbag (4), no. two sheet body (2) inner chamber is equipped with No. two gasbag (5).
2. The lithium battery heat conduction silica gel sheet according to claim 1, wherein the end surfaces of the first air bag (4) and the second air bag (5) are respectively connected with an air injection pipe (6) in a conducting mode, and a check valve (7) is arranged on the surface of the air injection pipe (6).
3. The lithium battery heat-conducting silica gel sheet according to claim 1, wherein the inner wall of the heat-conducting silica gel body is in composite connection with a waterproof patch (8), and the outer wall of the waterproof patch (8) is attached to the inner wall of the heat-conducting silica gel body.
4. The lithium battery heat conduction silica gel sheet according to claim 3, wherein an inner adhesive patch (9) is adhered to the inner wall of the waterproof patch (8), and the inner adhesive patch (9) is symmetrically arranged on the inner wall of the U-shaped structure of the waterproof patch (8).
5. The lithium battery heat conduction silica gel sheet according to claim 1, wherein the surface of one side, far away from each other, of the first sheet body (1) and the second sheet body (2) is adhered with an outer adhesive tape (10), and the surface of the outer adhesive tape (10) is adhered with a release film.
6. The lithium battery heat-conducting silica gel sheet according to claim 1, wherein a bottom adhesive tape (11) is adhered to the lower surface of the connecting sheet (3), and a release film is adhered to the surface of the bottom adhesive tape (11).
7. The lithium battery heat conduction silica gel sheet according to claim 1, wherein folding grooves (12) are formed in the middle of the cavity walls of the first sheet body (1) and the second sheet body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320219299.4U CN219696535U (en) | 2023-02-15 | 2023-02-15 | Lithium battery heat conduction silica gel sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320219299.4U CN219696535U (en) | 2023-02-15 | 2023-02-15 | Lithium battery heat conduction silica gel sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219696535U true CN219696535U (en) | 2023-09-15 |
Family
ID=87944024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320219299.4U Active CN219696535U (en) | 2023-02-15 | 2023-02-15 | Lithium battery heat conduction silica gel sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219696535U (en) |
-
2023
- 2023-02-15 CN CN202320219299.4U patent/CN219696535U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |