CN213304255U - Battery box - Google Patents
Battery box Download PDFInfo
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- CN213304255U CN213304255U CN202022596636.0U CN202022596636U CN213304255U CN 213304255 U CN213304255 U CN 213304255U CN 202022596636 U CN202022596636 U CN 202022596636U CN 213304255 U CN213304255 U CN 213304255U
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- battery
- assembly
- upper cover
- frame body
- battery box
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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 relates to a battery box, which comprises a shell, wherein the shell comprises a frame body and an upper cover body covered on the frame body, the frame body is molded by SMC sheet molding compound, and a battery fixing seat is molded in the frame body; the battery assembly comprises at least one battery cell, a battery management assembly electrically connected with the battery cell, a communication assembly electrically connected with the battery management assembly, and a heat dissipation assembly in contact with the battery cell; the battery cell is installed on the battery fixing seat, the battery management assembly is arranged in the frame, and the communication assembly is arranged outside the shell. This battery box encapsulation is compact, has realized the lightweight of battery box weight, and the thermal conductivity can be strengthened simultaneously, reduces the thermal runaway probability of electric core, and whole battery system's security is strengthened.
Description
Technical Field
The utility model relates to a battery box belongs to battery structure technical field.
Background
On battery package is used for equipment such as electric automobile, electric tool usually, traditional battery package often protects insecurely, and when receiving the striking of certain degree, battery module in it takes place to warp and weeping easily, has great potential safety hazard.
A general battery system mainly includes a battery cell, a case, and a structural member. Under the certain circumstances of battery system energy density, the quantity of electric core is certain, if can guarantee under the unchangeable prerequisite of electric core security, through increase electric core energy density with alleviate electric core quality be the most direct method, but the energy density of electric core makes in the short-term can not have too high promotion, consequently, present battery box generally can not realize the lightweight.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery box, its encapsulation is compact, has realized the lightweight of battery box weight, and heat conductivility obtains strengthening simultaneously, reduces the thermal runaway probability of electric core, and whole battery system's security obtains strengthening.
In order to achieve the above purpose, the utility model provides a following technical scheme: a battery case, comprising:
the battery pack comprises a shell, a battery and a battery holder, wherein the shell comprises a frame body and an upper cover body covering the frame body, the frame body is formed by compression molding of SMC sheet molding compound, and the battery holder is formed in the frame body;
the battery assembly comprises at least one battery cell, a battery management assembly electrically connected with the battery cell, a communication assembly electrically connected with the battery management assembly, and a heat dissipation assembly in contact with the battery cell; the battery cell is installed on the battery fixing seat, the battery management assembly is arranged in the frame, and the communication assembly is arranged outside the shell.
Furthermore, the bottom surface of the frame body is a bottom shell, and the battery fixing seat is formed on the inner side of the bottom shell.
Furthermore, at least two connecting supports are arranged on the outer side of the bottom shell, the connecting supports are oppositely arranged on two sides of the bottom shell, and the connecting supports are connected with the upper cover body so as to fix the bottom shell, the frame body and the upper cover body.
Furthermore, the bottom of the connecting support is fixedly connected with the bottom shell, a bolt used for being in threaded connection with the upper cover body is arranged at the top of the connecting support, and a butt joint block corresponding to the connecting support is arranged on the upper cover body.
Furthermore, an opening is formed in the upper cover body, a sealing cover and a sealing cover waterproof block are arranged at the opening, and the sealing cover waterproof block and the sealing cover are fixedly arranged at the opening and seal the opening.
Further, the battery management assembly is mounted on a cover plate of the cover waterproof block.
Further, the heat dissipation assembly is heat conduction glue.
Furthermore, connecting plates are arranged around the upper cover body and the frame body, threaded through holes are formed in the connecting plates, and the upper cover body and the frame body are fixedly connected through threads.
Furthermore, a sealing strip is arranged between the upper cover body and the connecting plate of the frame body.
Furthermore, a plurality of battery fixing seats are arranged on the bottom shell, and limit ribs are arranged between the adjacent battery fixing seats.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a battery box adopts the framework that has SMC sheet molding compound moulding-die to install battery pack to carry out fixed connection through last lid, make electric core in the battery pack all obtain fixedly on vertical direction and horizontal direction, whole battery box encapsulation is compact, and the structure lightweight, and protecting effect and water-proof effects are splendid. Meanwhile, the heat conducting glue solution is used for replacing a traditional heat conducting gasket to conduct heat dissipation on the chip, the heat conducting performance is enhanced, the thermal runaway probability of the battery core is reduced, and the safety of the whole battery system is enhanced.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is an exploded view of a battery box according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a frame body of a battery box according to an embodiment of the present invention;
fig. 3 is a schematic view illustrating an assembly of a battery box according to an embodiment of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
It should be noted that: the terms such as "upper", "lower", "left", "right", "inner" and "outer" of the present invention are described with reference to the drawings, and are not intended to be limiting terms.
Referring to fig. 1 to 3, a battery box according to an embodiment of the present invention includes: the battery pack comprises a shell and a battery pack at least partially arranged in the shell, specifically, the shell comprises an upper cover body 1 and a frame body 2, the upper cover body 1 covers the upper portion of the frame body 2, the frame body 2 is formed by compression molding of SMC sheet molding compound, and a battery fixing seat 21 is formed in the frame body 2. The battery assembly comprises at least one battery cell 3, a battery management assembly 4 electrically connected with the battery cell 3, a communication assembly electrically connected with the battery management assembly, and a heat dissipation assembly (not shown) in contact with the battery cell 3; the battery core 3 is installed on the battery fixing seat 21, the battery management assembly 4 is arranged in the frame body 2, and the communication assembly 5 is arranged outside the shell.
In this embodiment, the bottom surface 2 defining the frame body is a bottom case 20, a plurality of battery holders 21 are disposed on the bottom case 20, a limiting rib 22 is disposed between adjacent battery holders 21 for installing the battery cell 3, the frame body 2 is used for protecting and fixing the periphery of the battery cell 3, and the upper cover body 1 is connected with the frame body 2 to make the whole structure firm and compact. Specifically, at least two connecting brackets 23 are arranged on the bottom case 20, the connecting brackets 23 are oppositely arranged on two sides of the bottom case 20, and the connecting brackets 23 are connected with the upper cover body 1 so as to fix the bottom case 20, the frame body 2 and the upper cover body 1 in the horizontal direction. The bottom of the connecting bracket 23 is fixedly connected with the bottom case 20, the top of the connecting bracket 23 is provided with a bolt 231 for being in threaded connection with the upper cover body 1, and the upper cover body 1 is provided with a butt joint block 11 corresponding to the connecting bracket 23. In order to avoid a large gap between the upper cover body 1 and the frame body 2, a connecting plate 9 is arranged around the upper cover body 1 and the frame body 2, a threaded through hole is formed in the connecting plate 9, and the upper cover body 1 and the frame body 2 are fixed through threaded connection. Preferably, a weather strip 6 is provided between the upper cover 1 and the connecting plate 9 of the frame 2.
In this embodiment, an opening 12 is provided on the upper cover body 1, a cover 7 and a cover waterproof block 8 are provided at the opening 12, and the cover waterproof block 8 and the cover 7 are mounted and fixed on the opening 12 to close the opening 12. The battery management assembly 4 is mounted on the cover plate of the cover waterproof block 8. And, be equipped with attach fitting 13 on the upper cover body 1, battery pack still includes be used for with attach fitting 13 butt joint's coupling mechanism 100, preferentially, coupling mechanism 100 is the soft connecting band.
In this embodiment, the battery assembly further includes a plurality of screws 14 for connecting the upper cover 1, and the screws 14 are disposed on the upper surface of the battery cell 3, so as to further fix the upper cover 1 and the battery cell 3.
In this embodiment, radiator unit adopts heat conduction glue industry, when realizing all-round heat dissipation, can realize the weight reduction of some.
In summary, the following steps: the utility model discloses a battery box adopts the framework that has SMC sheet molding compound moulding-die to install battery pack to carry out fixed connection through last lid, make electric core in the battery pack all obtain fixedly on vertical direction and horizontal direction, whole battery box encapsulation is compact, and the structure lightweight, and protecting effect and water-proof effects are splendid. Meanwhile, the heat conducting glue solution is used for replacing a traditional heat conducting gasket to conduct heat dissipation on the chip, the heat conducting performance is enhanced, the thermal runaway probability of the battery core is reduced, and the safety of the whole battery system is enhanced.
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-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present 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 (10)
1. A battery box, comprising:
the battery pack comprises a shell, a battery and a battery holder, wherein the shell comprises a frame body and an upper cover body covering the frame body, the frame body is formed by compression molding of SMC sheet molding compound, and the battery holder is formed in the frame body;
the battery assembly comprises at least one battery cell, a battery management assembly electrically connected with the battery cell, a communication assembly electrically connected with the battery management assembly, and a heat dissipation assembly in contact with the battery cell; the battery cell is installed on the battery fixing seat, the battery management assembly is arranged in the frame, and the communication assembly is arranged outside the shell.
2. The battery box of claim 1, wherein the bottom surface of the frame body is a bottom shell, and the battery holder is formed on the inner side of the bottom shell.
3. The battery box according to claim 2, wherein at least two connecting brackets are disposed on the outer side of the bottom case, the connecting brackets are disposed on two sides of the bottom case, and the connecting brackets are connected to the upper cover to fix the bottom case, the frame, and the upper cover.
4. The battery box according to claim 3, wherein the bottom of the connecting bracket is fixedly connected with the bottom case, the top of the connecting bracket is provided with a bolt for being in threaded connection with the upper cover body, and the upper cover body is provided with a butt-joint block corresponding to the connecting bracket.
5. The battery box according to claim 1, wherein the upper cover has an opening, and the opening has a cover and a cover waterproof block, and the cover waterproof block and the cover are fixed to the opening to close the opening.
6. The battery box of claim 5, wherein the battery management assembly is mounted on a cover waterproof block cover plate.
7. The battery box of claim 1, wherein the heat dissipation assembly is a thermally conductive glue.
8. The battery box according to claim 1, wherein a connecting plate is provided around the upper lid and the frame, the connecting plate is provided with a threaded through hole, and the upper lid and the frame are fixed by threaded connection.
9. The battery box according to claim 8, wherein a sealing strip is provided between the upper cover and the connecting plate of the frame.
10. The battery box of claim 2, wherein the bottom shell is provided with a plurality of battery holders, and a limiting rib is arranged between adjacent battery holders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022596636.0U CN213304255U (en) | 2020-11-11 | 2020-11-11 | Battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022596636.0U CN213304255U (en) | 2020-11-11 | 2020-11-11 | Battery box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213304255U true CN213304255U (en) | 2021-05-28 |
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ID=76016128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022596636.0U Active CN213304255U (en) | 2020-11-11 | 2020-11-11 | Battery box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213304255U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023273925A1 (en) * | 2021-06-30 | 2023-01-05 | 比亚迪股份有限公司 | Battery pack and vehicle |
-
2020
- 2020-11-11 CN CN202022596636.0U patent/CN213304255U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023273925A1 (en) * | 2021-06-30 | 2023-01-05 | 比亚迪股份有限公司 | Battery pack and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210918 Address after: 215000 8 Xinqing East Road, Suzhou Industrial Park, Jiangsu Province Patentee after: Suzhou Eagle Electric Vehicle Manufacturing Co.,Ltd. Address before: 551700 No.1, Xudong 2nd Road, first industrial park, Jinhaihu New District, Bijie City, Guizhou Province Patentee before: Yigao electric vehicle manufacturing (Bijie) Co., Ltd |
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| TR01 | Transfer of patent right |