CN210272463U - Power battery protective structure - Google Patents
Power battery protective structure Download PDFInfo
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- CN210272463U CN210272463U CN201921243976.6U CN201921243976U CN210272463U CN 210272463 U CN210272463 U CN 210272463U CN 201921243976 U CN201921243976 U CN 201921243976U CN 210272463 U CN210272463 U CN 210272463U
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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
Abstract
A power battery protection structure comprises a battery assembly and a protection assembly, wherein the battery assembly comprises a cell suite and a circuit board, the circuit board is arranged on the cell suite, the cell suite is provided with a first electrode end face and a second electrode end face, and the first electrode end face is aligned with the second electrode end face; the protection assembly comprises a first electrode protection sheet, a second electrode protection sheet, a circuit board protection sheet and a silica gel protection sheet, the first electrode protection sheet is arranged on the end face of the first electrode, and the second electrode protection sheet is arranged on the end face of the second electrode, namely, the first electrode protection sheet plays a role in preventing water and dust for the end face of the first electrode, and the second electrode protection sheet plays a role in preventing water and dust for the end face of the second electrode, so that the electric core set can prevent water and dust; the circuit board protection piece sets up on the circuit board, and the silica gel protection piece sets up on the circuit board protection piece, promptly, the circuit board protection piece plays waterproof dirt-proof effect to the circuit board, and the silica gel protection piece plays heat conduction radiating effect to the circuit board.
Description
Technical Field
The utility model relates to a novel power battery, power battery group and energy storage battery technique especially relate to a power battery protective structure.
Background
In general, power battery pack generally refers to packaging, packaging and assembly, such as: 2 batteries are connected in series to form a specific shape according to the requirements of customers, and we call it pack. In the pack industry, a battery which is not assembled into a battery capable of being directly used is called a battery core, a finished battery which is connected with a protection circuit board and has the functions of charge and discharge control and the like is called a battery, wherein the most important two parts of the components of the power battery are the battery core and the protection circuit board.
In the protection treatment of the power battery, dust prevention and water prevention are particularly important, and the effects of water prevention and dust prevention mainly depend on the sealing structure of the power battery.
The existing power battery is usually produced by sticking insulating sheets on the positive and negative electrodes of each battery cell to perform insulation treatment, then putting a plurality of battery cells into a battery cell fixing frame to perform welding and fixing to form a battery module, connecting the battery module with a protection circuit board to form a power battery pack, finally putting the power battery pack into a shell, and performing waterproof treatment on the shell, so that the power battery pack can be waterproof and dustproof.
However, after the power battery pack is arranged in the sealed shell, the power battery pack is isolated from the air outside the shell, the heat dissipation performance of the power battery pack is poor, and the service life of the power battery pack is influenced; and power battery pack can produce great heat when charging and discharging, and power battery pack may be because the heat dissipation is not good and fire, has certain potential safety hazard.
SUMMERY OF THE UTILITY MODEL
Therefore, a power battery protection structure which can prevent water and dust and has good heat dissipation capacity is needed to be designed.
A power cell protective structure comprising: the battery assembly comprises a battery cell external member and a circuit board, the circuit board is arranged on the battery cell external member, the battery cell external member is provided with a first electrode end face and a second electrode end face, and the first electrode end face is aligned with the second electrode end face; the protection assembly comprises a first electrode protection sheet, a second electrode protection sheet, a circuit board protection sheet and a silica gel protection sheet, wherein the first electrode protection sheet is arranged on the first electrode end face, the second electrode protection sheet is arranged on the second electrode end face, the circuit board protection sheet is arranged on the circuit board, and the silica gel protection sheet is arranged on the circuit board protection sheet.
In one embodiment, the cell kit includes a first mounting frame body, a second mounting frame body, a first electrode insulation sheet, a second electrode insulation sheet, and a plurality of cells, wherein the first mounting frame body has a plurality of first electrode receiving grooves formed therein, the second mounting frame body has a plurality of second electrode receiving grooves formed therein, the first mounting frame body is connected to the second mounting frame body, the first electrode receiving grooves are aligned with the second electrode receiving grooves in a one-to-one correspondence manner, first ends of the cells are embedded in the first electrode receiving grooves in a one-to-one correspondence manner, and second ends of the cells are embedded in the second electrode receiving grooves in a one-to-one correspondence manner.
In one embodiment, the first electrode end face is located on a side surface of the first mounting frame body away from the first electrode receiving groove, and the second electrode end face is located on a side surface of the second mounting frame body away from the second electrode receiving groove;
the first electrode insulation sheet is arranged on the first electrode end face, the first electrode insulation sheet is propped against the first end of the battery cell, the first electrode protection sheet is arranged on the first electrode insulation sheet, the second electrode insulation sheet is arranged on the second electrode end face, the second electrode insulation sheet is propped against the second end of the battery cell, and the second electrode protection sheet is arranged on the second electrode insulation sheet.
In one embodiment, each of the battery cells is fixed to the circuit board, and each of the battery cells is electrically connected to the circuit board.
In one embodiment, the center line of the first electrode guard sheet coincides with the center line of the first electrode insulation sheet;
the central line of the second electrode protection sheet is coincided with the central line of the second electrode insulation sheet;
the silica gel protection sheet is aligned with the circuit board protection sheet.
According to the power battery protection structure, the battery assembly and the protection assembly are arranged, the battery assembly comprises the battery cell external member and the circuit board, the circuit board is arranged on the battery cell external member, the battery cell external member is provided with the first electrode end face and the second electrode end face, and the first electrode end face is aligned with the second electrode end face; the protection assembly comprises a first electrode protection sheet, a second electrode protection sheet, a circuit board protection sheet and a silica gel protection sheet, the first electrode protection sheet is arranged on the end face of the first electrode, and the second electrode protection sheet is arranged on the end face of the second electrode, namely, the first electrode protection sheet plays a role in preventing water and dust for the end face of the first electrode, and the second electrode protection sheet plays a role in preventing water and dust for the end face of the second electrode, so that the electric core suite can prevent water and dust; the circuit board protection piece set up in on the circuit board, the silica gel protection piece set up in on the circuit board protection piece, promptly, the circuit board protection piece is right the circuit board plays waterproof dirt-proof effect, the silica gel protection piece is right the circuit board plays heat conduction radiating effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is an exploded view of a power battery protection structure according to an embodiment of the present invention;
fig. 2 is an exploded view of a battery assembly of the power battery protection structure of the present invention;
fig. 3 is an exploded view of the protection component of the power battery protection structure of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, a protection structure 10 of a power battery includes a battery assembly 100 and a protection assembly 200, referring to fig. 2, the battery assembly 100 includes a battery cell assembly 110 and a circuit board 120, the circuit board 120 is disposed on the battery cell assembly 110, the battery cell assembly 110 is disposed with a first electrode end surface 111 and a second electrode end surface 112, and the first electrode end surface 111 is aligned with the second electrode end surface 112; referring to fig. 3, the protection assembly 200 includes a first electrode protection sheet 210, a second electrode protection sheet 220, a circuit board protection sheet 230 and a silica gel protection sheet 240, the first electrode protection sheet 210 is disposed on the first electrode end surface 111, and the second electrode protection sheet 220 is disposed on the second electrode end surface 112, that is, the first electrode protection sheet 210 plays a role in preventing water and dust for the first electrode end surface 111, and the second electrode protection sheet 220 plays a role in preventing water and dust for the second electrode end surface 112, so that the electrical core set 110 can prevent water and dust; the circuit board protection piece 230 set up in on the circuit board 120, the silica gel protection piece 240 set up in on the circuit board protection piece 230, namely, the circuit board protection piece 230 is right the circuit board 120 plays waterproof dirt-proof effect, the silica gel protection piece 240 is right the circuit board 120 plays heat conduction radiating effect.
In one embodiment, the cell kit 110 includes a first mounting frame 113, a second mounting frame 114, a first electrode insulation sheet 115, a second electrode insulation sheet 116, and a plurality of cells 117, where the first mounting frame 113 is provided with a plurality of first electrode receiving slots 1131, the second mounting frame 114 is provided with a plurality of second electrode receiving slots 1141, the first mounting frame 113 is connected to the second mounting frame 114, the first electrode receiving slots 1131 are aligned with the second electrode receiving slots 1141 in a one-to-one correspondence manner, first ends of the cells 117 are embedded in the first electrode receiving slots 1131 in a one-to-one correspondence manner, and second ends of the cells 117 are embedded in the second electrode receiving slots 1141 in a one-to-one correspondence manner, that is, the first mounting frame 113 and the second mounting frame 114 play a role in fixing and protecting the cells.
In one embodiment, the first electrode end surface 111 is located on a side surface of the first mounting frame 113 away from the first electrode receiving slot 1131, and the second electrode end surface 112 is located on a side surface of the second mounting frame 114 away from the second electrode receiving slot 1141;
the first electrode insulation sheet 115 is disposed on the first electrode end surface 111, and the first electrode insulation sheet 115 is abutted against the first end of each of the cells 117, the first electrode guard sheet 210 is disposed on the first electrode insulation sheet 115, the second electrode insulation sheet 220 is disposed on the second electrode end surface 112, and the second electrode insulation sheet 116 is supported against the second end of each of the battery cells 117, the second electrode protection sheet 220 is disposed on the second electrode insulation sheet 116, namely, the first electrode insulation sheet 115 and the second electrode insulation sheet 116 firstly perform the insulation protection function on the positive and negative electrodes of the battery cell 117, the first electrode protection sheet 210 and the second electrode protection sheet 220 are indirectly protected from water and dust by the first electrode insulation sheet 115 and the second electrode insulation sheet 116, respectively, and the battery cell 117 is protected from water and dust.
In one embodiment, each of the battery cells 117 is fixed to the circuit board 120, and each of the battery cells 117 is electrically connected to the circuit board 120.
In one embodiment, the center line of the first electrode guard sheet 210 coincides with the center line 115 of the first electrode insulating sheet; the center line of the second electrode guard sheet 220 coincides with the center line of the second electrode insulation sheet 116; the silicone guard plate 240 is aligned with the circuit board guard plate 230.
In one embodiment, the first electrode protection sheet 210, the second electrode protection sheet 220 and the circuit board protection sheet 230 are three-proofing paint protection sheets, each three-proofing paint protection sheet is formed by spraying three-proofing paint materials, three-proofing paint has good high and low temperature resistance, and a layer of transparent protection film is formed after curing, so that the three-proofing paint protection sheet has excellent properties of insulation, moisture resistance, electric leakage resistance, shock resistance, dust resistance, corrosion resistance, aging resistance, corona resistance and the like, and thus the battery cell 117 and the circuit board 120 can be well protected from water and dust.
In one embodiment, the circuit board protection plate 230 is a silica gel heat conducting plate, and the silica gel heat conducting plate is formed by spot coating heat conducting silica gel, and the heat conducting silica gel has excellent heat conducting performance, so that the circuit board 120 can radiate heat well.
According to the power battery protection structure, the battery assembly and the protection assembly are arranged, the battery assembly comprises the battery cell external member and the circuit board, the circuit board is arranged on the battery cell external member, the battery cell external member is provided with the first electrode end face and the second electrode end face, and the first electrode end face is aligned with the second electrode end face; the protection assembly comprises a first electrode protection sheet, a second electrode protection sheet, a circuit board protection sheet and a silica gel protection sheet, the first electrode protection sheet is arranged on the end face of the first electrode, and the second electrode protection sheet is arranged on the end face of the second electrode, namely, the first electrode protection sheet plays a role in preventing water and dust for the end face of the first electrode, and the second electrode protection sheet plays a role in preventing water and dust for the end face of the second electrode, so that the electric core suite can prevent water and dust; the circuit board protection piece set up in on the circuit board, the silica gel protection piece set up in on the circuit board protection piece, promptly, the circuit board protection piece is right the circuit board plays waterproof dirt-proof effect, the silica gel protection piece is right the circuit board plays heat conduction radiating effect.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above embodiments are only intended to illustrate some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. A power battery protective structure is characterized by comprising:
the battery assembly comprises a battery core external member and a circuit board, wherein the circuit board is arranged on the battery core external member, a first electrode end face and a second electrode end face are arranged on the battery core external member, and the first electrode end face is aligned with the second electrode end face;
the protection assembly comprises a first electrode protection sheet, a second electrode protection sheet, a circuit board protection sheet and a silica gel protection sheet, wherein the first electrode protection sheet is arranged on the first electrode end face, the second electrode protection sheet is arranged on the second electrode end face, the circuit board protection sheet is arranged on the circuit board, and the silica gel protection sheet is arranged on the circuit board protection sheet.
2. The protective structure for the power battery according to claim 1, wherein the cell assembly includes a first mounting frame body, a second mounting frame body, a first electrode insulating sheet, a second electrode insulating sheet, and a plurality of cells, the first mounting frame body defines a plurality of first electrode receiving slots, the second mounting frame body defines a plurality of second electrode receiving slots, the first mounting frame body is connected to the second mounting frame body, the first electrode receiving slots are aligned with the second electrode receiving slots in a one-to-one correspondence, the first ends of the cells are embedded in the first electrode receiving slots in a one-to-one correspondence, and the second ends of the cells are embedded in the second electrode receiving slots in a one-to-one correspondence.
3. The power battery protection structure according to claim 2, wherein the first electrode end face is located on a side surface of the first mounting frame body away from the first electrode receiving groove, and the second electrode end face is located on a side surface of the second mounting frame body away from the second electrode receiving groove;
the first electrode insulation sheet is arranged on the first electrode end face, the first electrode insulation sheet is propped against the first end of the battery cell, the first electrode protection sheet is arranged on the first electrode insulation sheet, the second electrode insulation sheet is arranged on the second electrode end face, the second electrode insulation sheet is propped against the second end of the battery cell, and the second electrode protection sheet is arranged on the second electrode insulation sheet.
4. The power battery protection structure according to claim 2, wherein each of the battery cells is fixed to the circuit board, and each of the battery cells is further electrically connected to the circuit board.
5. The power cell protective structure according to claim 2, wherein a center line of the first electrode protective sheet coincides with a center line of the first electrode insulating sheet;
the central line of the second electrode protection sheet is coincided with the central line of the second electrode insulation sheet;
the silica gel protection sheet is aligned with the circuit board protection sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921243976.6U CN210272463U (en) | 2019-08-02 | 2019-08-02 | Power battery protective structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921243976.6U CN210272463U (en) | 2019-08-02 | 2019-08-02 | Power battery protective structure |
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| Publication Number | Publication Date |
|---|---|
| CN210272463U true CN210272463U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921243976.6U Active CN210272463U (en) | 2019-08-02 | 2019-08-02 | Power battery protective structure |
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| CN (1) | CN210272463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023004649A1 (en) * | 2021-07-28 | 2023-02-02 | 宁德时代新能源科技股份有限公司 | Battery, electrical device, and method and device for manufacturing battery |
-
2019
- 2019-08-02 CN CN201921243976.6U patent/CN210272463U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023004649A1 (en) * | 2021-07-28 | 2023-02-02 | 宁德时代新能源科技股份有限公司 | Battery, electrical device, and method and device for manufacturing battery |
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