CN220753614U - Buffer structure between electric core and electric core module - Google Patents
Buffer structure between electric core and electric core module Download PDFInfo
- Publication number
- CN220753614U CN220753614U CN202322352870.2U CN202322352870U CN220753614U CN 220753614 U CN220753614 U CN 220753614U CN 202322352870 U CN202322352870 U CN 202322352870U CN 220753614 U CN220753614 U CN 220753614U
- Authority
- CN
- China
- Prior art keywords
- buffer
- heat
- piece
- heat dissipation
- inter
- 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.)
- Active
Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 50
- 238000009413 insulation Methods 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000004964 aerogel Substances 0.000 claims description 4
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 239000011496 polyurethane foam Substances 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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 relates to an inter-cell buffer structure and an inter-cell module, wherein the inter-cell buffer structure comprises a buffer piece, two heat insulation pieces and a heat conduction piece, and the buffer piece is provided with a heat dissipation cavity with an opening at the lower side; the two heat insulation pieces are respectively arranged on two opposite sides of the buffer piece, and the two heat insulation pieces are used for respectively corresponding to the two adjacent electric cores; the heat conducting piece is arranged in the heat dissipation cavity, the side wall of the heat conducting piece is abutted with the inner wall of the heat dissipation cavity, and the heat conducting piece part extends from the opening to the outside of the heat dissipation cavity and is abutted with the liquid cooling piece of the power battery. The utility model has the functions of buffering and heat insulation, and improves the safety of the battery cell module.
Description
Technical Field
The utility model relates to the technical field of power batteries, in particular to a buffer structure between electric cores and an electric core module.
Background
The power battery has the characteristics of small volume, light weight, large capacity and the like, and is widely applied to mobile equipment at present. In the process of manufacturing the module group, the aerogel heat insulation pad can be prevented from being out of control between the battery cells.
The power battery module of patent CN113540632a, comprising: the battery cell module comprises a shell, a battery cell module and a temperature acquisition system; the temperature acquisition system includes: the wire harness isolation tray is connected with the module upper cover, and the low-voltage flexible voltage temperature acquisition line is arranged on the wire harness isolation tray; the cell module comprises: at least two sets of parallelly connected electric core groups, every group electric core group include at least one square electric core, and wherein, first electric core group still includes an analog electric core, and analog electric core is a heating element, all is provided with the heat insulating pad between square electric core and the analog electric core, and temperature acquisition system sets up in electric core module top, and the positive negative pole of square electric core all is up.
However, the heat insulation pad in the prior art only has a heat insulation function, can not absorb the tolerance of the battery cells in a buffering manner, can not absorb the expansion force between the battery cells, and has potential safety hazards.
Disclosure of Invention
In view of the above, it is necessary to provide a buffer structure between cells and a cell module for solving the technical problems that the heat insulation pad in the prior art only has a heat insulation function, can not buffer and absorb the tolerance of the cells, can not absorb the expansion force between the cells, and has potential safety hazard.
The utility model provides a buffer structure between cells, which is used for being arranged between two adjacent cells, and comprises the following components:
the buffer piece is provided with a heat dissipation cavity with an opening at the lower side;
the two heat insulation pieces are respectively arranged at two opposite sides of the buffer piece and are used for respectively corresponding to two adjacent electric cores;
the heat conducting piece is arranged in the heat dissipation cavity, the side wall of the heat conducting piece is abutted with the inner wall of the heat dissipation cavity, and the heat conducting piece part extends from the opening to the outside of the heat dissipation cavity and is abutted with the liquid cooling piece of the power battery.
Optionally, the buffer piece is used for corresponding to the two sides of the two adjacent battery cells to be mounting sides, and the two heat insulation pieces are respectively mounted on the two mounting sides;
the buffer piece is also provided with a heat conduction hole which is communicated with the mounting side and the heat dissipation cavity.
Optionally, the heat conduction holes are provided in plurality, and the plurality of heat conduction holes are distributed in an array.
Optionally, the buffer member is polyurethane foam or polyolefin foam.
Optionally, the cushioning piece includes connecting gradually first cushioning piece and second cushioning piece along thickness direction, first cushioning piece orientation one side of second cushioning piece is equipped with first recess, second cushioning piece orientation one side of first cushioning piece is equipped with the second recess, first recess with the second recess encloses jointly and closes and form the heat dissipation chamber, wherein, first cushioning piece with second cushioning piece passes through adhesive fixed connection.
Optionally, the thickness of the buffer member is H1, and the thickness of the heat dissipation cavity is H2, wherein H1 is greater than 2×h2.
Optionally, the heat dissipation cavity and the heat conduction piece are all provided with a plurality of, and a plurality of heat dissipation cavities and a plurality of heat conduction pieces are in one-to-one correspondence.
Optionally, the buffer member and the heat conducting member form a buffer heat dissipation member, and the buffer heat dissipation member and the two heat insulating members are encapsulated and molded.
Optionally, the insulation is an aerogel or mica sheet.
In addition, the utility model also provides a battery core module, which comprises a plurality of battery cores and the inter-battery core buffer structure according to any one of the technical schemes, wherein the battery cores are distributed in an array, and the inter-battery core buffer structure is arranged between every two adjacent battery cores.
Compared with the prior art, the buffer structure between the electric cores is provided with the radiating cavities with the lower openings, the two heat insulation pieces are respectively arranged on two opposite sides of the buffer, the heat conduction piece is arranged in the radiating cavities, the side wall of the heat conduction piece is abutted with the inner wall of the radiating cavity, the heat conduction piece partially stretches out of the openings to the outside of the radiating cavities and is abutted with the liquid cooling piece of the power battery, the heat insulation effect on the two adjacent electric cores can be achieved through the arrangement of the heat insulation pieces, the mutual influence of the temperatures of the two adjacent electric cores is avoided, the buffer effect on the expansion of the two electric cores is achieved through the arrangement of the buffer, the buffer is poor in general heat resistance, the heat conduction piece is arranged in the buffer, the lower end of the heat conduction piece is abutted with the liquid cooling piece, the heat of the heat insulation piece can be timely transmitted to the buffer to be conducted to the liquid cooling piece, the buffer is rapidly cooled, the buffer is prevented from being influenced by high temperature, the buffer is prevented from being influenced by the high temperature, the buffer structure has the functions of buffering and heat insulation, and the safety of the electric core module is improved.
The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and its details set forth in the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic diagram of an embodiment of an inter-cell buffer structure according to the present utility model;
FIG. 2 is a front view of the inter-cell buffer structure of FIG. 1;
fig. 3 is an exploded view of the inter-cell buffer structure of fig. 1.
Reference numerals illustrate:
100-inter-cell buffer structure, 1-buffer piece, 11-first buffer piece, 12-second buffer piece, 13-heat dissipation cavity, 14-heat conduction hole, 2-heat insulating piece, 3-heat conduction piece, 31-heat conduction piece main part, 32-butt portion, 200-electric cell.
Detailed Description
Preferred embodiments of the present utility model will now be described in detail with reference to the accompanying drawings, which form a part hereof, and together with the description serve to explain the principles of the utility model, and are not intended to limit the scope of the utility model.
The utility model provides a battery cell module, which comprises a plurality of battery cells 200 and the inter-battery cell buffer structure 100 according to any one of the technical schemes, wherein the battery cells 200 are distributed in an array, and the inter-battery cell buffer structure 100 is arranged between every two adjacent battery cells 200. Specifically, an installation gap is formed between every two adjacent battery cells 200, the inter-battery-cell buffer structure 100 is arranged in the installation gap, and the two heat insulation pieces 2 are respectively abutted against the two battery cells 200 so as to isolate temperature transmission between the two adjacent battery cells 200 through the heat insulation pieces 2, the buffer pieces 1 are arranged between the two heat insulation pieces 2, and the buffer effect is achieved on the two battery cells 200 through the buffer pieces 1.
Referring to fig. 1 to 3, the inter-cell buffer structure 100 includes a buffer member 1, two heat insulating members 2 and a heat conducting member 3, wherein the buffer member 1 is provided with a heat dissipation cavity 13 with an opening at the lower side; the two heat insulating pieces 2 are respectively arranged at two opposite sides of the buffer piece 1, and the two heat insulating pieces 2 are respectively corresponding to the two adjacent electric cores 200; the heat conducting piece 3 is arranged in the heat dissipation cavity 13, the side wall of the heat conducting piece 3 is abutted with the inner wall of the heat dissipation cavity 13, and part of the heat conducting piece 3 extends out of the heat dissipation cavity 13 from the opening to be abutted with a liquid cooling piece of the power battery.
According to the inter-cell buffer structure 100 provided by the utility model, the buffer element 1 is provided with the heat dissipation cavity 13 with the lower opening, the two heat insulation elements 2 are respectively arranged at two opposite sides of the buffer element 1, the heat conduction element 3 is arranged in the heat dissipation cavity 13, the side wall of the heat conduction element 3 is abutted with the inner wall of the heat dissipation cavity 13, and part of the heat conduction element 3 extends out of the heat dissipation cavity 13 from the opening to be abutted with the liquid cooling element of the power battery.
Further, in this embodiment, the two sides of the buffer member 1 corresponding to the two adjacent battery cells 200 are mounting sides, and the two heat insulation members 2 are respectively mounted on the two mounting sides; the buffer member 1 is further provided with a heat conduction hole 14 communicating the mounting side with the heat dissipation chamber 13. By arranging the heat conducting holes 14, the heat of the heat insulating piece 2 can be directly transferred to the heat conducting piece 3 through the heat conducting holes 14, the heat transfer efficiency is high, the influence of temperature on the buffer piece 1 is avoided, and the buffer performance of the buffer piece 1 is not influenced by the heat conducting holes 14.
Further, in order to improve the heat transfer efficiency, in this embodiment, a plurality of heat conducting holes 14 are provided, and a plurality of heat conducting holes 14 are arranged in an array.
Further, the specific material of the cushioning member 1 is not limited, and in this embodiment, the cushioning member 1 is polyurethane foam or polyolefin foam.
Further, the specific form of the heat conducting member 3 mounted in the heat dissipation cavity 13 is not limited, in this embodiment, the buffer member 1 includes a first buffer member 11 and a second buffer member 12 connected in sequence along a thickness direction, a first groove is disposed on a side of the first buffer member 11 facing the second buffer member 12, a second groove is disposed on a side of the second buffer member 12 facing the first buffer member 11, and the first groove and the second groove enclose together to form the heat dissipation cavity 13, where the first buffer member 11 and the second buffer member 12 are fixedly connected through an adhesive. The heat conducting piece 3 is directly placed in the heat dissipation cavity 13, the heat conducting piece 3 and the first buffer piece 11 and the second buffer piece 12 do not need to be bonded by using an adhesive, the heat dissipation performance of the heat conducting piece 3 is prevented from being influenced because the heat conducting piece 3 is connected with the buffer piece 1 by the adhesive, and the heat dissipation performance of the heat conducting piece 3 can be maximally exerted by the heat conducting piece 3, so that the heat dissipation performance of the buffer piece 1 is effectively improved.
Further, the thickness of the heat dissipation chamber 13 is not particularly limited, and in this embodiment, the thickness of the buffer member 1 is H1, and the thickness of the heat dissipation chamber 13 is H2, where H1 is greater than 2×h2. By the arrangement, the buffer effect of the buffer piece 1 can be ensured, and the buffer performance of the buffer piece 1 is prevented from being reduced due to the fact that the heat conducting piece 3 is too thick.
Further, in this embodiment, the heat dissipation cavity 13 is provided in a T-shape, and accordingly, the heat conducting member 3 is also provided in a T-shape, for example, the heat conducting member 3 is prevented from being separated from the heat dissipation cavity 13 from the opening.
Further, the specific form of the heat dissipation chamber 13 is not limited, in this embodiment, one heat dissipation chamber 13 is provided, the heat dissipation chamber 13 is rectangular, the cross-sectional area of the heat dissipation chamber 13 is slightly smaller than that of the buffer member 1, correspondingly, the heat conduction member 3 is adapted to the shape of the heat dissipation chamber 13,
in another embodiment, a plurality of heat dissipation cavities 13 and heat conducting members 3 are provided, and a plurality of heat dissipation cavities 13 and heat conducting members 3 are in one-to-one correspondence. So arranged, the corresponding layout can be performed according to the temperatures of the different positions of the battery cell 200.
Further, the buffer member 1 and the heat conducting member 3 form a buffer heat sink, and the buffer heat sink and the two heat insulating members 2 are encapsulated and formed. So set up, the convenient equipment can be directly with buffer structure 100 between the electric core is placed two between the electric core 200, easy operation has improved packaging efficiency.
Further, the specific material of the heat insulating member 2 is not limited, and in this embodiment, the heat insulating member 2 is an aerogel or a mica sheet.
Further, the specific material of the heat insulating member 2 is not limited, and in this embodiment, the heat conducting member 3 is a graphite sheet.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (10)
1. The utility model provides a buffer structure between electric core for locate between two adjacent electric cores, its characterized in that includes:
the buffer piece is provided with a heat dissipation cavity with an opening at the lower side;
the two heat insulation pieces are respectively arranged at two opposite sides of the buffer piece and are used for respectively corresponding to two adjacent electric cores;
the heat conducting piece is arranged in the heat dissipation cavity, the side wall of the heat conducting piece is abutted with the inner wall of the heat dissipation cavity, and the heat conducting piece part extends from the opening to the outside of the heat dissipation cavity and is abutted with the liquid cooling piece of the power battery.
2. The inter-cell buffer structure according to claim 1, wherein two sides of the buffer member corresponding to two adjacent cells are mounting sides, and two heat insulation members are respectively mounted on two mounting sides;
the buffer piece is also provided with a heat conduction hole which is communicated with the mounting side and the heat dissipation cavity.
3. The inter-cell buffer structure according to claim 2, wherein a plurality of the heat conduction holes are provided, and a plurality of the heat conduction holes are arranged in an array.
4. The inter-cell buffer structure of claim 1, wherein the buffer is polyurethane foam or polyolefin foam.
5. The inter-cell buffer structure according to claim 1, wherein the buffer member comprises a first buffer member and a second buffer member which are sequentially connected in a thickness direction, a first groove is formed in one side of the first buffer member, which faces the second buffer member, a second groove is formed in one side of the second buffer member, which faces the first buffer member, and the first groove and the second groove are jointly enclosed to form the heat dissipation cavity, and the first buffer member and the second buffer member are fixedly connected through an adhesive.
6. The inter-cell buffer structure of claim 5, wherein the buffer has a thickness H1 and the heat dissipation cavity has a thickness H2, wherein H1 is greater than 2 x H2.
7. The buffer structure between cells of claim 1, wherein the heat dissipation cavities and the heat conducting members are provided in plural numbers, and the heat dissipation cavities and the heat conducting members are in one-to-one correspondence.
8. The inter-cell buffer structure according to claim 1, wherein the buffer member and the heat conductive member constitute a buffer heat sink, and the buffer heat sink is molded with two of the heat insulating members.
9. The inter-cell buffer structure of claim 1, wherein the thermal insulation is an aerogel or mica sheet.
10. A battery cell module, characterized in that the battery cell module comprises a plurality of battery cells and the inter-battery cell buffer structure according to any one of claims 1-9, wherein the battery cells are distributed in an array, and the inter-battery cell buffer structure is arranged between every two adjacent battery cells.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322352870.2U CN220753614U (en) | 2023-08-29 | 2023-08-29 | Buffer structure between electric core and electric core module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322352870.2U CN220753614U (en) | 2023-08-29 | 2023-08-29 | Buffer structure between electric core and electric core module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220753614U true CN220753614U (en) | 2024-04-09 |
Family
ID=90557125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322352870.2U Active CN220753614U (en) | 2023-08-29 | 2023-08-29 | Buffer structure between electric core and electric core module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220753614U (en) |
-
2023
- 2023-08-29 CN CN202322352870.2U patent/CN220753614U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20110097617A1 (en) | Battery Set with Heat Conducting Jelly | |
| US8597843B2 (en) | Cooling system for battery pack | |
| EP3522293B1 (en) | Battery module | |
| US20240128542A1 (en) | Battery pack | |
| CN220753614U (en) | Buffer structure between electric core and electric core module | |
| CN216624395U (en) | Battery module | |
| CN109786885B (en) | Battery module | |
| CN214099763U (en) | Battery module | |
| CN202633409U (en) | Flexibly-packaged battery pack | |
| CN215266491U (en) | Battery package and consumer | |
| CN115064846A (en) | Energy storage battery module | |
| CN219393635U (en) | Conductive member for battery pack and battery assembly | |
| CN212587599U (en) | Battery, battery thermal management device and movable platform | |
| CN211150721U (en) | Battery and battery pack | |
| CN215184209U (en) | Battery pack | |
| CN110690529A (en) | Battery module fast dispels heat | |
| CN218849606U (en) | Heat exchange assembly, battery module and battery pack | |
| CN220934194U (en) | Battery module and energy storage power supply | |
| CN219716992U (en) | Battery pack and electric automobile | |
| CN215579893U (en) | Electrical equipment protection device | |
| CN218827520U (en) | Heat dissipation lithium ion battery module | |
| CN220544039U (en) | Battery pack and electric equipment | |
| CN216354381U (en) | Battery management system and shell structure thereof | |
| CN218333959U (en) | Battery package structure and electric tool | |
| CN219457940U (en) | Conductive connecting device and high-capacity battery pack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |