CN218366826U - Battery cell protection device with buffering, heat insulation, fire prevention and high-temperature insulation functions - Google Patents
Battery cell protection device with buffering, heat insulation, fire prevention and high-temperature insulation functions Download PDFInfo
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- CN218366826U CN218366826U CN202221878697.9U CN202221878697U CN218366826U CN 218366826 U CN218366826 U CN 218366826U CN 202221878697 U CN202221878697 U CN 202221878697U CN 218366826 U CN218366826 U CN 218366826U
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- cotton layer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses an electric core protection device with buffering, heat insulation, fire prevention and high temperature insulation functions, which comprises a mica plate and a super cotton layer, wherein the mica plate and the super cotton layer are alternately superposed and the mica plate is fixedly connected with the super cotton layer; the thickness of the mica plate is 0.4-1.2mm; the thickness of the super cotton layer is 0.8-2.5mm; the battery cell protection device formed by the mica plate and the super cotton layer can prevent the expanded battery cell from being extruded, and is beneficial to prolonging the service life of the battery cell; the integrated structure formed by the super cotton layer and the mica plate can not only meet the heat insulation requirement of the battery cell during normal operation, but also keep good heat insulation effect when the temperature of the battery cell is increased due to faults; by limiting the thickness of the mica plate to be 0.4-1.2mm, the mica plate can not be damaged in the mechanical collision with the high-temperature expansion battery core; the preparation material of the super cotton layer has no harm to human body, and is safer and more environment-friendly to use.
Description
Technical Field
The utility model relates to an energy storage technology field specifically is an electricity core protection device with buffering, thermal-insulated, fire prevention and high temperature insulation function.
Background
The electric cores are arranged together to form an electric core bundle for supplying energy together. In the cell bundle, a heat insulation device is arranged between adjacent cells. In the prior art, the insulation is a thin plate-like device of a certain thickness made of an insulating material. And the thermal insulation device and the adjacent cells are arranged together in a manner of being next to each other in the cell bundle. The battery core is accompanied with volume expansion in the process of repeated charge and discharge or sudden temperature rise due to failure. The expanded battery core is easy to damage due to extrusion of the hard plate, and the service life is shortened. The electric core has friction between the heat-proof device in the inflation process, so when heat-proof device is too thin or mechanical strength is not enough, appear damaged easily, and then lead to thermal-insulated function impaired or unable realization. The heat insulation device in the prior art can meet the heat insulation requirement of the battery core for generating heat when in normal use, but when the battery core breaks down, the heat insulation effect of the existing heat insulation device is insufficient; in addition, the heat insulating device in the prior art contains rock wool material, and the rock wool material can damage the health of human bodies after being sucked into the human bodies.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electricity core protection device with buffering, thermal-insulated, fire prevention and high temperature insulation function to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the battery cell protection device has the functions of buffering, heat insulation, fire prevention and high-temperature insulation, and comprises mica plates and a super cotton layer, wherein the mica plates and the super cotton layer are alternately superposed and are fixedly connected; the thickness of the mica plate is 0.4-1.2mm; the thickness of the super cotton layer is 0.8-2.5mm.
As a preferred technical scheme of the utility model, above-mentioned protection device includes super cotton layer of one deck and a pair of mica plate, one deck the super cotton layer clamp is located between a pair of mica plate.
As an optimized technical scheme of the utility model, above-mentioned super cotton layer distributes on the mica plate with the form of a monoblock super cotton board.
As a preferred technical scheme of the utility model, above-mentioned super cotton layer distributes on the mica plate with the form of constituteing by the super silver of a plurality of square characters.
As an optimized technical scheme of the utility model, above-mentioned super cotton layer distributes on the mica plate with the form of constituteing by the super silver of a plurality of mutually independent bar.
As an optimized technical solution of the utility model, the above-mentioned super cotton layer distributes on the mica plate with the form of constituteing by a plurality of mutually independent super cotton pieces.
As an optimized technical proposal of the utility model, the super cotton layer is made of super cotton material.
As an optimal technical scheme of the utility model, above-mentioned mica plate passes through gum fixed connection with super cotton layer.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a set up the electric core protection device that mica plate and super cotton layer formed, can avoid the electric core after the inflation to receive the extrusion through compressing the super cotton layer, realize the buffer function, be favorable to prolonging the life of electric core, the super cotton layer is better than the heat-proof quality of mica plate, so super cotton layer and mica plate form an organic whole structure, have excellent heat-proof quality; the integrated structure formed by the super cotton layer and the mica plate can not only meet the heat insulation requirement of the battery cell during normal operation, but also keep good heat insulation effect when the temperature of the battery cell rises due to failure, thereby protecting the adjacent normal battery cell; the mica plate has stronger mechanical strength by limiting the thickness of the mica plate to be 0.4-1.2mm, so the mica plate can not be damaged in the mechanical collision with the high-temperature expansion battery core; in addition, the preparation material of the super cotton layer has no harm to human body, and is safer and more environment-friendly to use.
Drawings
Fig. 1 is a schematic structural diagram of a cell protection device with buffering, heat insulation, fire prevention and high-temperature insulation functions;
fig. 2 is a schematic structural diagram of a cell protection device with buffering, heat insulation, fire prevention and high-temperature insulation functions when a super cotton layer is a whole super cotton plate and the super cotton plate completely covers the side surface of a mica plate;
fig. 3 is a schematic structural diagram of a battery cell protection device with buffering, heat insulation, fire prevention and high-temperature insulation functions, in which when a super cotton layer is a whole super cotton plate, the super cotton plate covers the side surface of a mica plate in a manner of being spaced from the edge of the side surface of the mica plate;
fig. 4 is a schematic structural diagram of a cell protection device with buffering, heat insulation, fire prevention and high-temperature insulation functions, wherein the cell protection device is distributed on a mica plate in a form of a plurality of square super slivers;
fig. 5 is a schematic structural diagram of strip-shaped super slivers in the cell protection device with buffering, heat insulation, fire prevention and high-temperature insulation functions, wherein the strip-shaped super slivers are parallel to each other and adjacent strip-shaped super slivers are distributed on the side surface of a mica plate at equal intervals;
fig. 6 is a schematic structural diagram of strip-shaped super slivers in the cell protection device with buffering, heat insulation, fire prevention and high-temperature insulation functions, wherein the strip-shaped super slivers are parallel to each other and the space between adjacent strip-shaped super slivers is randomly distributed on the side surface of a mica plate;
fig. 7 is a schematic structural diagram of strip-shaped super slivers in the cell protection device with buffering, heat insulation, fire prevention and high-temperature insulation functions, wherein the strip-shaped super slivers are parallel to each other and adjacent strip-shaped super slivers are not completely distributed on the side surface of a mica plate in parallel to each other;
fig. 8 is a schematic structural diagram of a plurality of super cotton blocks in the battery cell protection device with buffering, heat insulation, fire prevention and high-temperature insulation functions, wherein the super cotton blocks are arranged on one side of the mica plate at equal intervals along the X-axis direction and at equal intervals along the Y-axis direction;
fig. 9 is a schematic structural diagram of a cell protection device with functions of buffering, heat insulation, fire prevention, and high temperature insulation, in which when a super cotton layer includes a plurality of super cotton blocks, the distance between adjacent super cotton blocks in the X-axis direction is randomly distributed on the side surface of a mica plate, or the distance between adjacent super cotton blocks in the Y-axis direction is randomly distributed on the side surface of the mica plate;
fig. 10 is a schematic structural diagram of a cell protection device with buffering, heat insulation, fire prevention, and high-temperature insulation functions, in which when a super cotton layer includes a plurality of super cotton blocks, the super cotton blocks are not arranged along the X-axis direction or the Y-axis direction, but are arranged randomly.
In the figure: 1. mica plates; 2. a super cotton layer.
Detailed Description
In order to make the technical solutions in the embodiments of the present application better understood, the technical solutions in the embodiments of the present application will be described below clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict, and the present application will be described in detail with reference to fig. 1 to 10 in conjunction with the embodiments.
Example 1
As shown in fig. 1, the embodiment provides an electrical core protection device with buffering, heat insulation, fire prevention and high-temperature insulation functions, the protection device includes a mica plate 1 and a super cotton layer 2, the mica plate 1 and the super cotton layer 2 are alternately stacked, the mica plate 1 and the super cotton layer 2 are fixedly connected, the protection device includes a super cotton layer 2 and a pair of mica plates 1, the super cotton layer 2 is sandwiched between the pair of mica plates 1, two sides of the super cotton layer 2 are respectively fixedly connected with the mica plate 1, and the structural stability of the electrical core protection device can be ensured by limiting that two sides of the super cotton layer 2 are respectively fixedly connected with the mica plate 1, that is, the super cotton layer 2 and the mica plate 1 do not shift relatively during operation;
when the battery is installed, the pair of mica plates 1 are respectively and fixedly connected with the adjacent battery cores.
The super cotton layer 2 is distributed between the pair of mica plates 1 in the form of a whole super cotton plate, and the connection mode of the whole super cotton plate and the mica plates 1 can be but is not limited to the following two modes:
one is that a whole piece of super cotton completely covers the side of the mica plate 1, as shown in fig. 2;
secondly, a whole super cotton plate covers the side face of the mica plate 1 in a way of keeping a certain distance from the edge of the side face of the mica plate 1, as shown in fig. 3.
The thickness of the mica plate 1 is any value of 0.4-1.2mm, as exemplified below: the thickness of the mica plate 1 is 0.40mm, 0.45mm, 0.55mm, 0.65mm, 0.75mm, 0.85mm, 0.95mm, 1.05mm, 1.15mm or 1.2mm;
the thickness of the super cotton layer 2 is any one of 0.8 to 2.5mm, for example as follows: the super cotton layer 2 has a thickness of 0.80mm, 0.85mm, 0.95mm, 1.05mm, 1.15mm, 1.25mm, 1.35mm, 1.45mm, 1.55mm, 1.65mm, 1.75mm, 1.85mm, 1.95mm, 2.05mm, 2.15mm, 2.25mm, 2.35mm, 2.45mm or 2.5mm.
The working principle is as follows: when the protection device is installed, the protection device is installed between the pair of battery cores. The protection device is fixedly connected with the battery cell through gum. When the battery core expands, the battery core extrudes the protection device, and the super cotton layer 2 is compressed under the action of extrusion force, so that a space is provided for the expanded battery core. Thereby avoiding the cell from being squeezed due to expansion.
In the embodiment, by arranging the battery cell protection device formed by the mica plate 1 and the super cotton layer 2, the expanded battery cell can be prevented from being extruded by compressing the super cotton layer 2, so that the buffer function is realized, the service life of the battery cell is prolonged, and the super cotton layer 2 has better heat insulation performance than the mica plate, so that an integrated structure formed by the super cotton layer 2 and the mica plate has excellent heat insulation performance; the integrated structure formed by the super cotton layer 2 and the mica plate can not only meet the heat insulation requirement of the battery cell during normal operation, but also keep good heat insulation effect when the temperature of the battery cell rises due to failure, thereby protecting the adjacent normal battery cell; by limiting the thickness of the mica plate 1 to be 0.4-1.2mm, the mica plate 1 has stronger mechanical strength, so the mica plate can not be damaged in the mechanical collision with the high-temperature expansion battery core; in addition, the preparation material of the super cotton layer 2 has no harm to human body, and the use is safer and more environment-friendly.
Example 2
Based on embodiment 1, the mica plate 1 and the super cotton layer 2 are fixedly connected through the back glue.
In this embodiment: through injecing the fixed connection mode and being connected for through the gum, can enough realize the fixed connection of mica plate 1 and super cotton layer 2, form stable protection device, can avoid destroying the structure of mica plate 1 and super cotton layer 2 again.
Example 3
As shown in fig. 4, based on embodiment 1 or embodiment 2, the super cotton layer 2 is distributed on the mica plate 1 in the form of a plurality of square super cotton slivers.
In this embodiment: the super cotton layer 2 is distributed between the pair of mica plates 1 in a form of being composed of a plurality of square-shaped super cotton slivers, so that the use amount of super cotton materials can be reduced under the condition that the buffering effect is kept unchanged, and the reduction of the production cost is facilitated.
Example 4
Based on embodiment 1 or embodiment 2, the super cotton layer 2 is distributed on the mica plate 1 in the form of a plurality of mutually independent strip-shaped super cotton slivers. The method comprises the following specific steps:
A. as shown in fig. 5, a plurality of strip-shaped super slivers are parallel to each other and adjacent strip-shaped super slivers are distributed on the side surface of the mica plate 1 at equal intervals;
B. as shown in fig. 6, a plurality of strip-shaped super slivers are parallel to each other and the distance between adjacent strip-shaped super slivers is randomly distributed on the side surface of the mica plate 1;
C. as shown in fig. 7, several strip-shaped super slivers are not distributed completely parallel to each other on the surface of the mica plate 1.
The super cotton layers 2 are arranged between the pair of super cotton layers 2 according to one of the modes A, B and C;
the technical effects of the embodiment are as follows: when a plurality of bar-shaped super cotton slivers are distributed on one side surface of the mica plate 1, ventilation can be achieved by utilizing gaps among the bar-shaped super cotton slivers, and the improvement of the heat dissipation effect is facilitated.
Example 5
Based on embodiment 1 or embodiment 2, the super cotton layer 2 is distributed on the mica plate 1 in a form of being composed of a plurality of mutually independent super cotton blocks, specifically as follows:
D. as shown in fig. 8, the adjacent super cotton blocks are equally spaced along the X-axis direction and equally spaced along the Y-axis direction on one side of the mica plate 1;
E. as shown in fig. 9, the adjacent super cotton blocks are randomly spaced along the X-axis direction or randomly spaced along the Y-axis direction on one side of the mica plate 1.
F. As shown in FIG. 10, the super cotton blocks are not arranged along the X-axis direction or along the Y-axis direction, but are arranged randomly.
The super cotton blocks in the super cotton layer 2 are arranged between the pair of mica plates 1 according to one of the modes D, E and F.
In this embodiment: when the super cotton blocks are distributed on the mica plate 1, the ventilation and heat dissipation effects can be achieved by utilizing gaps among the super cotton blocks. And when the super cotton layer is composed of a plurality of mutually independent super cotton blocks, the gap space of the super cotton layer 2 is larger, so that the ventilation speed is faster and the heat dissipation effect is better.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (8)
1. The battery cell protection device with the buffering, heat insulation, fire prevention and high-temperature insulation functions is characterized by comprising mica plates (1) and a super cotton layer (2), wherein the mica plates (1) and the super cotton layer (2) are alternately superposed, and the mica plates (1) are fixedly connected with the super cotton layer (2); the thickness of the mica plate (1) is 0.4-1.2mm; the thickness of the super cotton layer (2) is 0.8-2.5mm.
2. The battery cell protection device with the functions of buffering, heat insulation, fire prevention and high-temperature insulation according to claim 1, wherein the protection device comprises a super cotton layer (2) and a pair of mica plates (1), and the super cotton layer (2) is sandwiched between the pair of mica plates (1).
3. The battery cell protection device with the functions of buffering, heat insulation, fire prevention and high-temperature insulation according to claim 1 or 2, wherein the super cotton layer (2) is distributed on the mica plate (1) in a form of a whole super cotton plate.
4. The battery cell protection device with the functions of buffering, heat insulation, fire prevention and high-temperature insulation according to claim 1 or 2, wherein the super cotton layer (2) is distributed on the mica plate (1) in a form of a plurality of square super cotton slivers.
5. The battery cell protection device with the functions of buffering, heat insulation, fire prevention and high-temperature insulation according to claim 1 or 2, wherein the super cotton layer (2) is distributed on the mica plate (1) in a form of a plurality of mutually independent strip-shaped super cotton slivers.
6. The battery cell protection device with functions of buffering, heat insulation, fire prevention and high-temperature insulation according to claim 1 or 2, wherein the super cotton layer (2) is distributed on the mica plate (1) in a form of being composed of a plurality of mutually independent super cotton blocks.
7. The battery cell protection device with the functions of buffering, heat insulation, fire prevention and high-temperature insulation according to claim 1, wherein the super cotton layer (2) is made of super cotton material.
8. The battery cell protection device with the functions of buffering, heat insulation, fire prevention and high-temperature insulation according to claim 1, wherein the mica plate (1) is fixedly connected with the super cotton layer (2) through a back adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221878697.9U CN218366826U (en) | 2022-07-20 | 2022-07-20 | Battery cell protection device with buffering, heat insulation, fire prevention and high-temperature insulation functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221878697.9U CN218366826U (en) | 2022-07-20 | 2022-07-20 | Battery cell protection device with buffering, heat insulation, fire prevention and high-temperature insulation functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218366826U true CN218366826U (en) | 2023-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221878697.9U Active CN218366826U (en) | 2022-07-20 | 2022-07-20 | Battery cell protection device with buffering, heat insulation, fire prevention and high-temperature insulation functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218366826U (en) |
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2022
- 2022-07-20 CN CN202221878697.9U patent/CN218366826U/en active Active
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