CN220065821U - Battery module with heating system - Google Patents
Battery module with heating system Download PDFInfo
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- CN220065821U CN220065821U CN202320946495.1U CN202320946495U CN220065821U CN 220065821 U CN220065821 U CN 220065821U CN 202320946495 U CN202320946495 U CN 202320946495U CN 220065821 U CN220065821 U CN 220065821U
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- cell module
- heat conducting
- heating
- module
- battery
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 86
- 239000003292 glue Substances 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 239000010408 film Substances 0.000 description 19
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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Abstract
The utility model relates to the field of power batteries, in particular to a battery module with a heating system, which comprises a battery cell module and a heat conduction component, wherein the heat conduction component is arranged on at least one side surface of the battery cell module, and the arrangement is such that the heat of the battery cell module can be transmitted from the heat conduction component on the side surface; the battery cell module is further provided with a heating component arranged on the outer side of the heat conducting component, and a fixing piece for fixing the heating component on the battery cell module, and the side face of the battery cell module is connected with the heat conducting component, so that the relative displacement between the battery cells of the battery cell module is reduced after the battery cell module is impacted or vibrated and the battery cells are expanded, the flatness of the side face of the battery cell module is further ensured, and the situation that the heating component is partially separated due to the relative displacement between the battery cells can be prevented.
Description
Technical Field
The utility model relates to the field of power batteries, in particular to a battery module with a heating system.
Background
When the conventional square battery cell module is formed by stacking a plurality of battery cells, the side surface of the battery cell module is directly attached with a heating film to heat the battery cell module. When vibration or shock is encountered, a slight lateral displacement of the cells may result. The lateral displacement directly affects the flatness of the side of the module, thereby causing the heating film to locally fall off. A heating film is a thin film for heating, and is generally made of carbon fiber, metal, ceramic, or the like. The local of heating film drops and can lead to the module heating inhomogeneous, influences the result of use, and if the planarization of electricity core module side is not good when the equipment, can lead to the local weak adhesion of heating film, drops easily, and in the charge-discharge process for square electricity core module, the electricity core can expand or shrink, but the heating film does not have elasticity, can not lengthen or shorten along with electricity core expansion or shrink. The heating film is easy to fall off after long-term use.
Disclosure of Invention
The utility model aims at: aiming at the problems of the prior art that the flatness of the side surface of the square cell module is changed or the square cell is contracted and expanded, so that the heating function caused by the falling and ablation of the heating film is invalid, the battery module with the heating system is provided.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a battery module with heating system, includes electric core module, its characterized in that still includes:
a heat conducting member provided on at least one side of the cell module, such that heat can be transferred in or out from the heat conducting member of the side of the cell module;
the heating component is arranged on the outer side of the heat conducting component, so that the heat conducting component can be heated, and the problems of falling off of a heating film and the like caused by the flatness change of the side surface of the square cell module or the shrinkage and expansion of the square cell are prevented;
and fixing the heating component on the cell module, so that the connection relationship between the heating component and the heat conduction component as well as between the heating component and the cell module is more stable.
The utility model relates to a battery module with a heating system, wherein a heat conducting component is arranged on the side surface of a battery module, the heat conducting effect of the battery module is improved, the heat in the battery module is conveniently led out or the heat outside the battery module is led in, the heat conducting component is arranged outside the heat conducting component, so that the heat conducting component can be directly used for heating the battery module and is used for heating the battery module through the heat conducting component, the heat conducting component is more uniformly heated, and the heat conducting component is directly connected with the side surface of the battery module and is an integral piece, so that the slight dimensional change of the module is not transferred to the bonding surface of a heating film and a heat conducting plate, the problem that the heating film of the bonding surface falls off due to the change of stress is avoided, a fixing piece is further arranged outside the battery module, the fixing piece provides a certain lateral pressure for the heat conducting component connected outside the battery module, the bonding degree and the reliability of the heat conducting component and the battery module are improved, and the square upper arrangement can enable the battery module to avoid the situation that the heating film falls off due to the change of the flatness of the side surface of the module or the shrinkage and expansion of the battery module, and the heating film fails due to the setting of the heating module.
As a preferable scheme of the utility model, the two opposite sides of the battery cell module are respectively provided with the heat conducting component, and the position of the heat conducting component is positioned on one side of the baffle plate of the battery cell module, so that the two opposite sides of the battery cell module can transfer heat, the heat inside the battery cell module is more balanced when the heat changes, and an excessive temperature difference cannot occur.
As a preferable scheme of the utility model, the inner side of the heat conduction component is provided with the heat conduction glue, the heat conduction component is connected with the cell module through the heat conduction glue, and the purpose of the heat conduction glue is to adhere the heat conduction component and the cell module together to form a whole through the heat conduction glue on the one hand, and to fill the gap between the heat conduction component and the cell module through the heat conduction glue on the other hand, so that no air is generated between the heat conduction component and the cell module, and further the heat conduction performance is improved.
As a preferable scheme of the utility model, the whole area of the heat conduction part is larger than that of the heating part, so that the heating part can be completely stuck on the side surface of the heat conduction part and can not be pressed when the fixing piece is connected.
As a preferable scheme of the utility model, the heat conducting component covers the side surfaces of all the battery cores corresponding to one side of the battery core module, so that the heat conducting effect of the heat conducting component on the battery core module is ensured.
As a preferable mode of the present utility model, the heating member body is a heating film.
As a preferable mode of the present utility model, the heat conductive member body is a heat conductive metal plate.
As a preferable scheme of the utility model, the fixing piece is arranged on the battery cell module, and the fixing piece is an annular piece circumferentially arranged around the battery cell module, so that the fixing piece can fix the heat conducting component, the heating component and the baffle plate on the battery cell module, and the battery cell module is integrated.
As a preferable scheme of the utility model, the fixing piece is two annular steel belts arranged on the upper and lower circumferences of the cell module, so that the situation that the cell module is excessively expanded while the connection stability of the cell module is ensured is limited.
As a preferable scheme of the utility model, the fixing piece body is a steel ribbon.
As the preferable scheme of the utility model, the inner side of the heat conduction component is provided with the heat conduction glue, and the heat conduction component is connected with the battery cell module through the heat conduction glue, so that the heat conduction component and the battery cell module are better in bonding degree, the heat conduction efficiency is improved, and the situation that the flatness difference of the side surfaces of the battery cell module is overlarge is effectively avoided through the arrangement of the heat conduction glue.
In a preferred embodiment of the present utility model, the heat conducting member is made of a metal having a high heat conductivity.
As a preferable scheme of the utility model, the front end face and the rear end face of the battery cell module with smaller area are provided with baffle plates.
As a preferable scheme of the utility model, the baffle plates are arranged on the front end face and the rear end face of the battery cell module with smaller area.
In a preferred embodiment of the present utility model, the fixing member is in contact with the heat conductive member provided on the side surface of the cell module, and the fixing member is also in contact with a baffle plate provided on the cell module.
In a preferred embodiment of the present utility model, the entire area of the heat conductive member is larger than the entire area of the heating member, and the area of the heat conductive member is the same as the area of the cell module side surface.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. the utility model relates to a battery module with a heating system, wherein a heat conducting component is arranged on the side surface of a battery module, the heat conducting effect of the battery module is improved, the heat inside the battery module is conveniently led out or the heat outside the battery module is conveniently led in, the heat conducting component is arranged outside the heat conducting component, so that the heat conducting component can be directly heated and used for heating the battery module, the battery module is heated more uniformly, and the heat conducting component is directly connected with the side surface of the battery module and is an integral piece, so that the tiny dimensional change of the battery module can not be transferred to the bonding surface of a heating film and a heat conducting plate, the problem that the heating film falls off due to the change of stress on the bonding surface is avoided, a fixing piece is further arranged outside the battery module, and provides a certain lateral pressure for the heat conducting component connected outside the battery module, so that the bonding degree and the reliability of the heat conducting component and the battery module are improved.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is a schematic side elevational view of the present utility model;
FIG. 3 is a schematic isometric view of the present utility model;
fig. 4 is a schematic diagram of an exploded construction of the present utility model.
Icon: 1-a battery cell module; 2-a heat conductive member; 3-fixing parts; 4-a heating component; 5-baffle plates; 6-heat conducting glue; 11-cell.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
A battery module with heating system as shown in fig. 1-2, comprising a battery cell module 1, further comprising:
a heat conducting member 2 provided on at least one side surface of the cell module 1, the heat conducting member 2 being provided so that heat can be transferred in or out from the side surface of the cell module 1;
a heating member 4 provided outside the heat conductive member 2, the heating member being provided so as to heat the heat conductive member 2 on the one hand and prevent deformation of the heating member 4 by the heat conductive member 2 on the other hand;
and a fixing member 3 for fixing the heating member 4 to the cell module 1;
through all being connected with heat conduction part 2 with two opposite sides of electric core module 1, both guaranteed electric core module 1 and bumped or vibrate the back its electric core 11 between the relative displacement reduce, guaranteed the roughness of the heating element 4 that electric core module 1 outside set up simultaneously, can also prevent the condition that the heating element 4 part that the relative displacement caused breaks away from appears between the electric core 11.
The two opposite sides of the battery cell module 1 are respectively provided with the heat conducting component 2, the arrangement surface of the heat conducting component 2 is positioned on one side of the baffle 5 on the battery cell module 1, and the heat conducting component 2 is arranged on the two opposite sides of the battery cell module 1 so that the heat conducting component 2 can be more uniform when conducting heat to the battery cell module 1 and the situation that only one side of the battery cell module 1 conducts heat can not occur, as shown in fig. 2-3.
The inner side of the heat conducting component 2 is provided with the heat conducting glue 6, the heat conducting component 2 is connected with the battery cell module 1 through the heat conducting glue 6, and the reason for setting the heat conducting glue 6 can be to prevent the heat conducting component 2 from falling off from the battery cell module 1 through the viscosity of the heat conducting glue 6 on one hand, and on the other hand, the heat conducting glue 6 is used for reducing the stress of the battery cell module 1 after being impacted to a certain extent and filling the gap between the heat conducting component 2 and the battery cell module 1 through the heat conducting glue 6, so that the connection part of the heat conducting component 2 and the battery cell module 1 is free from air to realize surface-to-surface contact, thereby being more beneficial to heat conduction, as shown in fig. 4.
The whole area of the heat conducting component 2 is larger than that of the heating component 4, so that after the heating component 4 is connected with the heat conducting component 2, the heating component 4 can be completely connected to the side surface of the heat conducting component 2, and the heating component 4 can not be damaged due to the fact that the fixing piece 3 presses the heating component 4 when the fixing piece 3 is connected subsequently, as shown in fig. 4.
The heat conducting component 2 covers the side surfaces of all the battery cells corresponding to one side of the battery cell module 1, so that the heat conducting component 2 can conduct heat to the battery cell module 1, as shown in fig. 4.
The heating member 4 is a heating film.
The body of the heat conducting component 2 is a heat conducting metal plate.
The fixing piece 3 is arranged on the battery cell module 1, the fixing piece 3 is an annular piece which is circumferentially arranged around the battery cell module 1, and the connection between the battery cell module 1 and the heating component 4 and the connection between the battery cell module 1 and the heat conducting component 2 are fastened in a manner of circumferentially arranging the fixing piece 3, as shown in fig. 3.
The fixing members 3 are two annular steel belts arranged on the upper and lower circumferences of the cell module 1, so that the two annular steel belts are used for fastening the connection of the cell module 1 on one hand and preventing the cell module 1 from being excessively expanded during operation on the other hand, as shown in fig. 3-4.
The heat conductive member 2 is made of a metal having a high heat conductivity.
The fixing piece 3 body is a steel ribbon.
The baffle plates 5 are arranged on the front and rear end surfaces of the battery cell module 1, which have smaller areas.
The fixing piece 3 is abutted with the heat conducting component 2 arranged on the side face of the battery cell module 1, and the fixing piece 3 is abutted with the baffle 5 arranged on the battery cell module 1, so that connection is more stable, as shown in fig. 3.
The overall area of the heat conducting member 2 is larger than that of the heating member 4, and the side area of the heat conducting member 2 is the same as that of the battery cell module 1.
The utility model relates to a battery module with a heating system, wherein a heat conducting component 2 is arranged on the side surface of a battery module 1, the heat conducting effect of the battery module 1 is improved, the heat in the battery module 1 is conveniently conducted out or the heat outside the battery module 1 is conducted in, a heating component 4 is arranged outside the heat conducting component 2, the heating component 4 can directly heat the heat conducting component 2 and heat the battery module 1 through the heat conducting component 2, the heating of the battery module 1 is more uniform, and the heat conducting component 2 is directly connected with the side surface of the battery module 1 and is an integral piece, so that the small change of the size of the module is not transferred to the bonding surface of a heating film and a heat conducting plate, the problem of falling of the heating film caused by the change of the stress of the bonding surface is avoided, and a fixing piece 3 is further arranged outside the battery module 1, so that the fixing piece 3 provides a certain lateral pressure for the heat conducting component 2, the fitting degree and the reliability of the battery module 1 are improved, and the situation that the battery module 1 is damaged due to the expansion of the flatness of the side surface of the battery module 1 or the falling of the battery module is avoided.
Example 2
As shown in fig. 4, in the battery module with the heating system of the present utility model, a plurality of electric cores 11 are connected to form an electric core set, and baffles 5 are disposed at two ends of the electric core set to mount the electric core set 1, further, one surface of the heating component 4 with a heating wire is adhered to the surface of the heat conducting component 2, so that the heating component 4 directly heats the heat conducting component 2, and a heat conducting adhesive 6 is disposed at the opposite surface of the heat conducting component 2, where the heat conducting component 2 is connected to the side surface of the electric core set 1 through the heat conducting adhesive 6, so that if the electric core set 1 is impacted to cause the change of the flatness of the side surface or the expansion deformation of the electric core set 1 during operation, a part of the force generated by the expansion of the electric core set 1 is absorbed through the heat conducting adhesive 6, and then the flatness of the side surface of the electric core set 1 is maintained through the heat conducting component 2 outside the electric core set 1, so that the heating component 4 adhered to the outside the heat conducting component 2 does not fall off, heat transfer is ensured, and after the installation of the components is completed, the fixing piece 3 is sleeved at the upper end and lower ends of the electric core set 1, and further expansion of the electric core set 1 is prevented.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. Battery module with heating system, including electric mandrel group (1), its characterized in that still includes:
a heat conduction member (2) provided on at least one side surface of the cell module (1);
a heating member (4) provided outside the heat conduction member (2);
and a fixing member (3) for fixing the heating member (4) to the cell module (1).
2. A battery module with a heating system according to claim 1, characterized in that the heat conducting members (2) are provided on both opposite sides of the cell module (1).
3. The battery module with the heating system according to claim 1, wherein a heat conducting glue (6) is arranged on the inner side of the heat conducting component (2), and the heat conducting component (2) is connected with the battery cell module (1) through the heat conducting glue (6).
4. The battery module with the heating system according to claim 1, wherein the entire area of the heat conduction member (2) is larger than the entire area of the heating member (4).
5. A battery module with a heating system according to claim 1, characterized in that the heat conducting member (2) covers the sides of all cells on one side of the corresponding cell module (1).
6. The battery module with the heating system according to claim 1, wherein the heating member (4) body is a heating film.
7. The battery module with the heating system according to claim 1, characterized in that the heat conductive member (2) body is a heat conductive metal plate.
8. A battery module with a heating system according to any of claims 1-7, characterized in that the fixing member (3) is arranged on the cell module (1) and that the fixing member (3) is a ring member arranged circumferentially around the cell module (1).
9. The battery module with the heating system according to claim 8, wherein the fixing member (3) is two annular steel bands arranged on the upper and lower circumferences of the battery cell module (1).
10. The battery module with the heating system according to claim 8, wherein the fixing member (3) abuts against the heat conducting member (2) provided at the side of the cell module (1), and the fixing member (3) also abuts against the baffle plate (5) provided at the cell module (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320946495.1U CN220065821U (en) | 2023-04-24 | 2023-04-24 | Battery module with heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320946495.1U CN220065821U (en) | 2023-04-24 | 2023-04-24 | Battery module with heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220065821U true CN220065821U (en) | 2023-11-21 |
Family
ID=88756471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320946495.1U Active CN220065821U (en) | 2023-04-24 | 2023-04-24 | Battery module with heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220065821U (en) |
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2023
- 2023-04-24 CN CN202320946495.1U patent/CN220065821U/en active Active
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| GR01 | Patent grant | ||
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