CN215187566U - Protection plate and battery - Google Patents
Protection plate and battery Download PDFInfo
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- CN215187566U CN215187566U CN202121328147.5U CN202121328147U CN215187566U CN 215187566 U CN215187566 U CN 215187566U CN 202121328147 U CN202121328147 U CN 202121328147U CN 215187566 U CN215187566 U CN 215187566U
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Abstract
The application discloses a protection board and a battery, wherein the protection board comprises a protection board main body and an element arranged on the protection board main body; the protection plate further comprises a heat dissipation shell, the heat dissipation shell is fixed to the protection plate main body, and the heat dissipation shell covers the element. The protection shield of this application embodiment, the heat dissipation shell is compared air medium, and the heat conduction is faster, and the heat that protection shield main part and component produced can be through the heat dissipation shell fast dissipation to around, has avoided the heat to give off too slowly and lead to the too high problem of function failure of the temperature of protection shield main part and component. In addition, the radiating shell covers the element, so that the element is isolated from being contacted with the outside, the effect of protecting the element can be achieved, and the strength of the whole protective plate can be increased.
Description
Technical Field
The application relates to the technical field of batteries, in particular to a protection plate and a battery.
Background
With the rapid development of the rapid charging technology, the high-power rechargeable battery becomes the development trend. The prior art generally adopts two connectors to charge, but the electric current that two connectors flowed in and the electric current that flows out can assemble at the protection shield main part of protection shield, leads to the temperature of protection shield main part to rise the stack, leads to the protection shield to generate heat the sharp increase, electric core and components and parts generate heat seriously.
The existing protection plate structure is poor in heat dissipation performance, the battery can be lowered due to overheating performance, the overall stability and reliability of the battery are lowered, and the safety problem is easy to occur.
SUMMERY OF THE UTILITY MODEL
In view of this, the present application provides a protection plate and a battery to solve the problem of poor heat dissipation performance of the conventional protection plate structure.
The application provides a protection plate, which comprises a protection plate main body and an element arranged on the protection plate main body; the protection plate further comprises a heat dissipation shell, the heat dissipation shell is fixed to the protection plate main body, and the heat dissipation shell covers the element.
In this application embodiment, the heat dissipation shell is compared with air medium, and the heat conduction is faster, and the heat that protection shield main part and component produced can distribute around through the heat dissipation shell fast, has avoided the heat to distribute too slowly and lead to the too high problem of function failure of the temperature of protection shield main part and component. In addition, the heat dissipation shell covers the element, so that the function of protecting the element can be achieved, and the strength of the whole protection plate can be increased.
Optionally, the heat dissipation shell is a conductive heat dissipation shell, and an insulating layer is disposed on one surface of the heat dissipation shell facing the protection board main body;
a gap is arranged between the heat dissipation shell and the element;
the heat dissipation shell comprises a top plate, wherein the top plate comprises a first end and a second end which are oppositely arranged along a first direction;
the heat dissipation shell further comprises a first supporting plate and a second supporting plate, wherein the first supporting plate extends from the first end to the protection plate main body in a bending mode, and the second supporting plate extends from the second end to the protection plate main body in a bending mode; the first support plate and the second support plate are electrically connected with the protection plate main body.
Optionally, the protection plate main body comprises a first surface, a second surface and a first side and a second side which are oppositely arranged, wherein the first side and the second side are connected with the first surface and the second surface and are oppositely arranged along the first direction;
the element is arranged on the first surface, and the top plate is opposite to the first surface;
the first supporting plate is fixed on the first side surface, and the second supporting plate is fixed on the second side surface.
Optionally, the first support plate includes a first vertical plate and a first folded edge, one end of the first vertical plate is connected to the top plate, the first vertical plate extends along a thickness direction of the top plate, the first folded edge is connected to the other end of the first vertical plate, and the first folded edge extends along the first direction;
the first folded edge is connected with the first surface of the protection plate main body;
the second supporting plate comprises a second vertical plate and a second folded edge, one end of the second vertical plate is connected to the top plate, the second vertical plate extends along the thickness direction of the top plate, the second folded edge is connected to the other end of the second vertical plate, and the second folded edge extends along the first direction;
the second flange is connected to the first surface of the protective plate body.
Optionally, the top plate further includes a third end and a fourth end disposed opposite to each other along a second direction, and the second direction is perpendicular to the first direction;
the heat dissipation shell further comprises a third supporting plate extending from the third end to the protection plate main body in a bending manner, and a fourth supporting plate extending from the fourth end to the protection plate main body in a bending manner;
the third support plate and the fourth support plate are fixed to the first surface.
Optionally, a first heat dissipation layer is disposed in a gap between the heat dissipation shell and the protection plate main body.
Optionally, the elements comprise at least two elements of different heights; the top plate is planar, and the gap between the top plate and the element with the highest height is 0.1-0.8 mm.
Optionally, the elements comprise at least two elements of different heights;
the top plate comprises a plurality of concave structures and/or convex structures, so that the gap between the top plate and the element is 0.1-0.8 mm.
Optionally, a second heat dissipation layer is disposed on a surface of the heat dissipation casing facing the component.
The embodiment of the application also provides a battery, which comprises an electric core and the protection board in the above embodiments, wherein the protection board is electrically connected with the electric core.
As described above, the protection board according to the embodiment of the present application includes the protection board main body, the element provided on the protection board main body, and the heat dissipation case fixed to the protection board main body and covering the element. Compared with an air medium, the heat dissipation shell has faster heat conduction, and heat generated by the protection board main body and the elements can be quickly dissipated to the periphery through the heat dissipation shell, so that the problem that the temperature of the protection board main body and the elements is too high and the functions are invalid due to too slow heat dissipation is avoided. In addition, the radiating shell covers the element, so that the element is isolated from being contacted with the outside, the effect of protecting the element can be achieved, and the strength of the whole protective plate can be increased.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of a protection board structure and an application scenario thereof according to an embodiment of the present application;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a schematic structural diagram of a pad on a main body of a protection board according to an embodiment of the present application;
fig. 4 is a schematic view illustrating a heat dissipation case and a protection board main body according to an embodiment of the present application;
FIG. 5 is a cross-sectional view taken along the direction X of FIG. 4;
fig. 6 is a schematic diagram illustrating a heat dissipation principle of a protection plate structure according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a protection plate according to an embodiment of the present application;
fig. 8 is a schematic structural view of another protection plate according to an embodiment of the present application;
fig. 9 is a schematic structural diagram of another protection plate according to an embodiment of the present application.
Description of the main elements
First conductive pad 1A
Second conductive pad 1B
First Heat-conductive pad 1C
Second Heat-conductive pad 1D
First folded edge 322
Second folded edge 332
Fourth supporting plate 35
First heat dissipation layer 36
Second heat dissipation layer 37
Insulating layer 4
First flexible board 5A
Second flexible board 5B
Positive electrode current I1
Negative electrode current I2
First heat dissipation path S1
Second heat dissipation path S2
Detailed Description
The technical solutions of the present application are described below clearly and completely by way of examples, and it is obvious that the described examples are only a part of the examples of the present application, and not all of the examples. The following embodiments and their technical features may be combined with each other without conflict.
The embodiment of the application provides a protection board, the schematic structural diagram of which is shown in fig. 1 and fig. 2, the protection board includes a protection board main body 1, an element 2 disposed on the protection board main body 1, and a heat dissipation shell 3, and the protection board main body 1 may be a PCB board or an FPC board. When the protection board is an FPC board, a reinforcing board, such as an FR4 reinforcing board or a PI reinforcing board, may be provided at a region corresponding to the element 2, the reinforcing board and the element 2 being respectively located on both sides of the FPC board, the reinforcing board serving to support the element 2 and maintain the flatness of the element region of the protection board main body 1. The heat dissipation case 3 is fixed on the protection board main body 1, the heat dissipation case 3 may be a rectangular case, a polygonal case, a circular case, or the like, and the heat dissipation case 3 covers the element 2. In some embodiments, the protection plate main body 1 may be provided with a heat conducting pad, and the heat dissipation housing 3 is fixed to the protection plate main body 1 by Surface Mount Technology (SMT), laser welding, metal welding, or the like, and the heat dissipation housing 3 is preferably made of a heat conducting material with high heat conductivity, such as a metal material, e.g., aluminum, copper, stainless steel, graphite, graphene, or a phase change material, and the like.
The protection plate of the embodiment of the application comprises a protection plate main body 1, an element 2 arranged on the protection plate main body 1 and a heat dissipation shell 3, wherein the heat dissipation shell 3 is fixed on the protection plate main body 1 and covers the element 2. The heat dissipation shell 3 is compared with the air medium, and heat conduction is faster, and the heat that protection shield main part 1 and component 2 produced can distribute to around through heat dissipation shell 3 fast, has avoided the heat to distribute too slowly and lead to the too high problem of function failure of the too high temperature of protection shield main part 1 and component 2. In addition, the heat dissipation case 3 covers the element 2, isolating the element 2 from the outside, and can play a role of protecting the element 2 and increase the strength of the whole protection board.
In one embodiment, with continued reference to fig. 1 and 2, the heat dissipation shell 3 is a conductive heat dissipation shell, and a side of the heat dissipation shell 3 facing the protection board body 1 is provided with an insulating layer 4, with a gap between the heat dissipation shell 3 and the element 2. The insulating layer 4 can maintain insulation between the heat dissipation case 3 and the element 2, and prevent the element 2 from short-circuiting through the heat dissipation case 3. In some embodiments, the heat dissipation shell 3 may be made of a metal material (aluminum, copper, stainless steel, etc.), graphite, graphene, or other conductive and heat conductive material, the insulating layer 4 may be formed by spraying paint on the surface of the heat dissipation shell 3, and the insulating layer 4 may also be adhesive paper.
In this embodiment, for convenience of describing the structure of the heat dissipation housing 3, the length direction of the heat dissipation housing 3 is defined as a first direction X, the width direction is defined as a second direction Y, the thickness direction is defined as a third direction Z, and the X direction, the Y direction and the Z direction are mutually perpendicular to each other. The heat dissipation case 3 includes a top plate 31, a first support plate 32 and a second support plate 33, wherein the top plate 31 includes a first end 31A and a second end 31B oppositely disposed along the X direction; the first support plate 32 is bent and extended from the first end 31A to the protection plate body 1, and the second support plate 33 is bent and extended from the second end 31B to the protection plate body 1; the first support plate 32 and the second support plate 33 are connected with the protection plate main body 1. In some embodiments, as shown in fig. 3, a first conductive pad 1A and a second conductive pad 1B may be disposed along the first direction X on the protective plate main body 1, the first support plate 32 is soldered to the first conductive pad 1A, and the second support plate 33 is soldered to the second conductive pad 1B. A first heat conductive pad 1C and a second heat conductive pad 1D, which are not electrically conductive, may be disposed between the first electrically conductive pad 1A and the second electrically conductive pad 1B.
The principle of the heat dissipation operation of the protection board in the above embodiments is described with reference to an application example scenario of the protection board. In an embodiment of the application in a battery, the protection board main body 1 is electrically connected to the negative electrode tab 6A and the positive electrode tab 6B of an electric core (not shown), the protection board may further include a first soft board 5A and a second soft board 5B, the first soft board 5A and the second soft board 5B are respectively electrically connected to two ends of the protection board main body 1 along the X direction, and the protection board main body 1 is connected to an external circuit through the first soft board 5A and the second soft board 5B. During charging, referring to fig. 1, a positive current (solid arrow) I1 input from the first soft plate 5A flows through the heat dissipation plate 3 and then enters the electric core from the positive tab 6B, a negative current I2 (dotted arrow) flows through the protection plate main body 1 and then flows out from the first soft plate 5A and the second soft plate 5B, the heat dissipation plate 3 can lead out at least part of the current of the protection plate main body 1, and most of the positive current (about 3/4) does not pass through the protection plate main body 1, so that the superposition of the current on the protection plate main body 1 is reduced, and the temperature rise of the protection plate main body 1 is reduced. The heat dissipation plate not only has the function of physical heat conduction and heat dissipation, but also has the function of reducing the temperature of the protection plate main body 1 through shunting, and the size of the protection plate main body 1 can be reduced by 1-2mm through shunting of the heat dissipation shell 3 under the condition of the same overcurrent capacity.
It should be noted that, in other embodiments, the first conductive pads 1A and the second conductive pads 1B may be configured as only thermally conductive and electrically nonconductive pads, so that the heat dissipation case 3 plays a role of thermally conductive heat dissipation, protecting the components 2, and enhancing the strength of the protection board main body 1, and does not play a role of shunting.
In one embodiment, as shown in fig. 4, the protection plate main body 1 includes a first surface 11 and a second surface 12 which are oppositely arranged, and a first side 13 and a second side 14 which connect the first surface 11 and the second surface 12, the first side 13 and the second side 14 being oppositely arranged along the X direction; the element 2 (not shown) is arranged on the first surface 11, the top plate 31 being opposite to the first surface 11; the first support plate 32 is fixed to the first side 13 and the second support plate 33 is fixed to the second side 14. In some embodiments, the first support plate 32 and the second support plate 33 of the heat dissipation case 3 may be soldered to the first side 13 and the second side 14, respectively, through conductive pads.
In the above embodiment, the heat dissipation case 3 is electrically connected to the side surface of the protection board main body 1, so that the placement area of the elements 2 on the protection board main body 1 can be increased, and more elements 2 can be placed in the limited area of the protection board main body 1.
In one embodiment, with continued reference to fig. 1 and 2, the first support plate 32 includes a first vertical plate 321 and a first folded edge 322, the first vertical plate 321 extends along the thickness direction of the top plate 31, i.e., the Z direction, the first folded edge 322 extends along the first direction, i.e., the X direction, one end of the first vertical plate 321 is connected to the top plate 31, the other end is connected to the first folded edge 322, and the first folded edge 322 is connected to the first surface 11 of the protection plate body 1. The second support plate 33 includes a second vertical plate 331 and a second folded edge 332, the second vertical plate 331 extends along the thickness direction of the top plate 31, i.e., the Z direction, the second folded edge 332 extends along the first direction, i.e., the X direction, one end of the second vertical plate 331 is connected to the top plate 31, the other end is connected to the second folded edge 332, and the second folded edge 332 is connected to the first surface 11 of the protection plate main body 1. Alternatively, in other embodiments, referring to fig. 2, 3 and 5, the top plate 31 may further include a third end 31C and a fourth end 31D oppositely disposed along the second direction, i.e., the Y direction, the heat dissipation shell 3 further includes a third support plate 34 bent and extended from the third end 31C to the protection plate main body 1, and a fourth support plate 35 bent and extended from the fourth end 31D to the protection plate main body 1; the third supporting plate 34 and the fourth supporting plate 35 are fixed to the first surface 11, for example, the third supporting plate 34 is welded to the first heat conducting pad 1C, and the fourth supporting plate 35 is welded to the second heat conducting pad 1D.
In the above embodiment, the heat dissipation housing 3 includes two heat dissipation paths, as shown in fig. 6, the first heat dissipation path S1 is: the heat generated from the element 2 or the protection board main body 1 passes through the air and then is radiated from the top plate 31 of the heat radiating case 3. The second heat dissipation path S2 is: the heat generated by the protection plate main body 1 is conducted to the first folded edge 322, the first vertical edge 321, the second vertical edge 331 and the second folded edge 332 of the heat dissipation shell 3 through the bonding pad and dissipated. Two kinds of heat dissipation route, the radiating efficiency is higher. In addition, the first flange 322 and the second flange 332 increase the contact area of the heat dissipation case 3 with the protection plate main body 1, thereby increasing the area for direct heat conduction and further improving the heat dissipation efficiency.
In one embodiment, as shown in fig. 7, a first heat dissipation layer 36 is disposed at the gap between the heat dissipation shell 3 and the protection board main body 1, and the first heat dissipation layer 36 may be made of a heat conductive material or a phase change material. For example, a heat conducting gel or a phase change material is poured into the gap between the heat dissipation shell 3 and the protection board main body 1, and the heat conducting gel or the phase change material and the top board 3 only leave a minimum gap, for example, the dimension of the gap in the Z direction is 0.1 mm. In some embodiments, as shown in fig. 8, the top plate 31 includes an inner surface 31E and an outer surface 31F, the inner surface 31E faces the component 2, and a first heat dissipation layer 36 may be further disposed on the inner surface 31E of the top plate 31, for example, a sheet made of a heat conductive material or a phase change material is attached to the inner surface 31E of the top plate 31. In other embodiments, a second heat sink layer 37 can also be attached to the outer surface 31F of the top plate 31, such as a graphite sheet, graphene sheet, or the like attached to the outer surface 31F of the top plate 31.
In the above embodiment, the air layer between the heat dissipation case 3 and the protection plate main body 1 can be reduced as much as possible, so that the heat conduction efficiency is improved, and the heat dissipation of the protection plate is faster.
In one embodiment, the element region comprises at least two elements 2 of different heights, and the top plate may be planar, as shown in fig. 1, with a gap of 0.1-0.8mm between the top plate and the element of the highest height. In other embodiments, when the component region includes at least two components 2 with different heights, the top plate may be a step type including a concave structure or a convex structure, as shown in fig. 9, and the gap between the top plate 31 and each component 2 is consistent, preferably, the gap is between 0.1mm and 0.8 mm. The uniform gap between the top plate 31 and each element 2 can reduce the gap between the element 2 and the heat dissipation shell to the maximum extent, and increase the heat dissipation efficiency.
The embodiment of the application also provides a battery, which comprises an electric core and the protection board as described in the above embodiments, wherein the protection board is electrically connected with the electric core.
Aiming at the protection board in the embodiment of the application, simulation experiments are adopted for verification.
The experimental environment conditions are shown in tables 1 and 2, table 1 is the specifications of a protection board main body 1 and an element 2, table 2 is simulation experiment data made for each sample, wherein the protection board main body 1 is a PCB (printed circuit board), 3 elements of electric core internal resistance, an MOS (metal oxide semiconductor) tube and a precision resistor are welded on the PCB, a heat dissipation shell is made of 304 stainless steel (304SUS), aluminum and copper materials respectively, the thickness specification of the heat dissipation shell is divided into 0.1mm and 0.15mm, and the shape of the heat dissipation shell is a plane type and a concave-convex type (step type).
TABLE 1 protective plate body and device Specifications
TABLE 2 simulation data
Simulation experiment results show that:
(1) among the three metals, the cooling amplitude is the largest due to the radiating shell made of copper, and the heat conducting property of copper is the best;
(2) the cooling effect of the concave-convex radiating shell is superior to that of the plane radiating shell;
(3) the thickness of the heat dissipation shell is increased, and the cooling effect is better.
To sum up, the protection board of this application embodiment, including protection board main part 1, set up component 2 and the heat dissipation shell 3 on protection board main part 1, heat dissipation shell 3 is fixed in protection board main part 1 to the cover is established above component 2. The heat dissipation shell 3 is compared with the air medium, and heat conduction is faster, and the heat that protection shield main part 1 and component 2 produced can distribute to around through heat dissipation shell 3 fast, has avoided the heat to distribute too slowly and lead to the too high problem of function failure of the too high temperature of protection shield main part 1 and component 2. In addition, the heat dissipation case 3 covers the element 2, isolating the element 2 from the outside, and can play a role of protecting the element 2 and increase the strength of the whole protection board. Optionally, the heat dissipation shell 3 may be made of a conductive material and electrically connected to the protection plate main body 1, the heat dissipation plate 3 not only has a function of physical heat conduction and heat dissipation, but also has a function of shunting to reduce the temperature of the protection plate main body 1, and a first heat dissipation layer 36 may be disposed on the inner surface 31E of the heat dissipation shell 3, or a second heat dissipation layer 37 may be disposed on the outer surface 31F of the heat dissipation shell 3, so as to further improve the heat dissipation efficiency of the heat dissipation shell 3. In addition, the top plate 31 of the heat dissipation shell 3 is set to be concave-convex according to the height of the element, so that the gap between the heat dissipation shell 3 and the element 2 can be reduced to the maximum extent, and the heat dissipation effect is improved.
The above-mentioned embodiments are only examples of the present application, and not intended to limit the scope of the present application, and all equivalent structures or equivalent flow transformations made by the contents of the specification and the drawings, such as the combination of technical features between the embodiments and the direct or indirect application to other related technical fields, are also included in the scope of the present application.
In addition, in the description of the present application, it is to be understood that the terms "length", "width", "thickness", "upper", "lower", "vertical", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application. In addition, structural elements having the same or similar characteristics may be identified by the same or different reference numerals. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
Claims (10)
1. A protective plate comprising a protective plate body, and an element provided on the protective plate body;
the protection board is characterized by further comprising a heat dissipation shell, the heat dissipation shell is fixed to the protection board main body, and the heat dissipation shell covers the element.
2. The protective plate according to claim 1, wherein the heat dissipating case is a conductive heat dissipating case, and a surface of the heat dissipating case facing the protective plate main body is provided with an insulating layer;
a gap is arranged between the heat dissipation shell and the element;
the heat dissipation shell comprises a top plate, wherein the top plate comprises a first end and a second end which are oppositely arranged along a first direction;
the heat dissipation shell further comprises a first supporting plate and a second supporting plate, wherein the first supporting plate extends from the first end to the protection plate main body in a bending mode, and the second supporting plate extends from the second end to the protection plate main body in a bending mode; the first support plate and the second support plate are electrically connected with the protection plate main body.
3. The protective plate of claim 2, wherein the protective plate body comprises a first surface, a second surface, and a first side and a second side connecting the first surface and the second surface, the first side and the second side being disposed opposite each other along the first direction;
the element is arranged on the first surface, and the top plate is opposite to the first surface;
the first supporting plate is fixed on the first side surface, and the second supporting plate is fixed on the second side surface.
4. The protective plate of claim 3, wherein the first support plate comprises a first vertical plate and a first fold, one end of the first vertical plate is connected to the top plate, the first vertical plate extends in a thickness direction of the top plate, the first fold is connected to the other end of the first vertical plate, and the first fold extends in the first direction;
the first folded edge is connected with the first surface of the protection plate main body;
the second supporting plate comprises a second vertical plate and a second folded edge, one end of the second vertical plate is connected to the top plate, the second vertical plate extends along the thickness direction of the top plate, the second folded edge is connected to the other end of the second vertical plate, and the second folded edge extends along the first direction;
the second flange is connected to the first surface of the protective plate body.
5. The protective plate of claim 3, wherein the top plate further comprises a third end and a fourth end oppositely disposed along a second direction, the second direction being perpendicular to the first direction;
the heat dissipation shell further comprises a third supporting plate extending from the third end to the protection plate main body in a bending manner, and a fourth supporting plate extending from the fourth end to the protection plate main body in a bending manner;
the third support plate and the fourth support plate are fixed to the first surface.
6. The protective plate as claimed in claim 2, wherein a first heat dissipation layer is provided at a gap between the heat dissipation case and the protective plate main body.
7. The protective plate according to claim 2, characterized in that the elements comprise at least two elements of different height; the top plate is planar, and the gap between the top plate and the element with the highest height is 0.1-0.8 mm.
8. The protective plate according to claim 2, characterized in that the elements comprise at least two elements of different height;
the top plate comprises a plurality of concave structures and/or convex structures, so that the gap between the top plate and the element is 0.1-0.8 mm.
9. The protective plate according to any one of claims 1 to 8, wherein a surface of the heat dissipation case facing the component is provided with a second heat dissipation layer.
10. A battery comprising a cell and the protective sheet of any one of claims 1 to 9, the protective sheet being electrically connected to the cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121328147.5U CN215187566U (en) | 2021-06-15 | 2021-06-15 | Protection plate and battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121328147.5U CN215187566U (en) | 2021-06-15 | 2021-06-15 | Protection plate and battery |
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| CN215187566U true CN215187566U (en) | 2021-12-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114243175A (en) * | 2021-12-17 | 2022-03-25 | 深圳市海雷新能源有限公司 | Battery replacement battery with heat dissipation function |
| CN116744546A (en) * | 2023-08-09 | 2023-09-12 | 深圳市凌鑫电子有限公司 | Superconductive heat dissipation battery protection board |
-
2021
- 2021-06-15 CN CN202121328147.5U patent/CN215187566U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114243175A (en) * | 2021-12-17 | 2022-03-25 | 深圳市海雷新能源有限公司 | Battery replacement battery with heat dissipation function |
| CN116744546A (en) * | 2023-08-09 | 2023-09-12 | 深圳市凌鑫电子有限公司 | Superconductive heat dissipation battery protection board |
| CN116744546B (en) * | 2023-08-09 | 2023-10-24 | 深圳市凌鑫电子有限公司 | Superconductive heat dissipation battery protection board |
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