CN217336031U - Lithium battery flexible circuit board structure - Google Patents
Lithium battery flexible circuit board structure Download PDFInfo
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- CN217336031U CN217336031U CN202221210272.0U CN202221210272U CN217336031U CN 217336031 U CN217336031 U CN 217336031U CN 202221210272 U CN202221210272 U CN 202221210272U CN 217336031 U CN217336031 U CN 217336031U
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- circuit board
- board body
- lithium battery
- extension
- flexible circuit
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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 lithium battery flexible circuit board structure, which comprises a circuit board body, wherein the outer edge of the circuit board body is provided with at least one extension part, the extension part is used for installing components, the extension part and the plane where the circuit board body is located are arranged in a staggered manner and can be installed on the installation surface of a lithium battery module, so that a buffer gap is formed between the circuit board body and the installation surface; the problem of install the circuit board structure on the lithium cell receive striking, impact and vibrations after, have the risk of breaking, droing, the poor stability of circuit board structure to life is shorter is solved.
Description
Technical Field
The utility model relates to a lithium cell technical field especially relates to a lithium cell flexible circuit board structure.
Background
The lithium ion start-stop battery system belongs to a product with highly integrated electrochemical, electronic, electrical and thermal management components. In the process of vehicle model development in the automobile industry at present, a lithium ion battery system needs to be designed and developed on the premise of not changing the original battery installation bin structure of the whole automobile. Wherein, the lithium battery module is at the in-process of preparation, and a plurality of electric core utmost point ears form a nickel piece through the welding back, need weld one on the lithium battery module and be used for connecting the circuit board structure of devices such as nickel piece and BMS battery system to the realization is to the control function of lithium cell.
For example, utility model patent application No. CN202020958893.1 proposes a flexible circuit board assembly, battery module and vehicle, wherein, the flexible circuit board assembly includes flexible circuit board and connector, and the flexible circuit board includes the first end that is used for rigid coupling battery module shell and is used for connecting the second end that is located the utmost point ear support in the battery module shell, and connector detachable connects on the first end of flexible circuit board.
However, when the whole vehicle works, the whole vehicle vibrates and shakes, the circuit board structure mounted on the lithium battery is broken and falls off after being impacted, impacted and vibrated, and the stability of the circuit board structure is poor, so that the service life is short.
SUMMERY OF THE UTILITY MODEL
In view of the above, a need exists for a flexible circuit board structure for a lithium battery, which is used to solve the problem that the circuit board structure mounted on the lithium battery is broken and falls off after being impacted, impacted and vibrated, and the stability of the circuit board structure is poor, so that the service life of the circuit board structure is short.
The utility model provides a lithium cell flexible line board structure, including the circuit board body, the outer fringe department of circuit board body is provided with at least one extension, the extension is used for installing components and parts, the extension with the setting is staggered on the plane that circuit board body is located and can install on the installation face of lithium cell module, so that the circuit board body with form a buffering clearance between the installation face.
Further, the circuit board body is a flexible circuit board.
Furthermore, the edge of the circuit board body is provided with a connecting end in one-to-one correspondence with the extending part, and the circuit board body is connected with the corresponding extending part through the connecting end.
Furthermore, the connecting end and the circuit board body are located in the same plane, one side of the connecting end is fixedly connected with the circuit board body, an inclined groove is formed in the other side of the connecting end, and the extending part is fixedly connected with the groove of the connecting end.
Further, the circuit board body and the connecting end are integrally formed, and the connecting end and the extending part are welded.
Further, the extension portion is a C-shaped plate arranged parallel to the circuit board body, and the width of the extension portion along the extension direction is the same everywhere.
Furthermore, the extension includes parallel arrangement's backup pad and arc, one side of backup pad with circuit board body fixed connection, the opposite side of backup pad with arc fixed connection, the backup pad with the arc forms a perpendicular to the C word shaped plate that circuit board body direction set up, install components and parts in the backup pad, the arc with the lateral part butt of components and parts.
Further, the circuit board body is electrically connected with the extension portion.
Furthermore, the quantity of extension is a plurality of, and is a plurality of the extension is followed circuit board body circumference sets gradually for install a plurality of components and parts.
Further, a plurality of the extension portions are located in the same plane.
Compared with the prior art, the extending part is additionally arranged, so that the components and the circuit board body are installed in a staggered manner, namely the components are not required to be installed on the circuit board body, the components can be installed on the extending part and are electrically connected with the circuit board body through the extending part and are electrically connected with the lithium battery module through the extending part, the circuit board body and the lithium battery module are relatively fixed, the extending part and the plane where the circuit board body is located are arranged in a staggered manner and can be installed on the installation surface of the lithium battery module, a buffer gap is formed between the circuit board body and the installation surface of the lithium battery module, and after the circuit board body is impacted, impacted and vibrated, the circuit board body has the tendency of moving towards the direction close to or far away from the buffer gap, so that the hard collision between the circuit board body and the lithium battery module is effectively avoided, the circuit board body is reset under the effect of the extending part, and the circuit board body absorbs the impact, the lithium battery module and the lithium battery module, The external force generated by impact and vibration can be directly replaced after the extension part is damaged, thereby effectively protecting the circuit board body, improving the mounting stability of the circuit board body and prolonging the service life.
Drawings
Fig. 1 is a schematic structural diagram of an entire flexible printed circuit board structure of a lithium battery according to an embodiment of the present invention;
fig. 2 is the utility model provides a structural schematic diagram of BMS plug installation on the extension in the flexible circuit board structure of lithium cell embodiment.
Detailed Description
The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.
In order to facilitate understanding the utility model discloses a utility model intention at first needs to explain traditional lithium battery circuit board's mounting means, and current lithium battery circuit board's installer does, has seted up the mounting hole on the circuit board, fixes the circuit board to lithium battery module through fasteners such as screws on, installs all the other components and parts on the circuit board again, and hard contact between circuit board and the lithium battery module, circuit board fragile, in order to solve above-mentioned problem, the utility model provides a lithium battery flexible line board structure.
As shown in fig. 1, the flexible circuit board structure for a lithium battery in this embodiment includes a circuit board body 100, at least one extending portion 200 is disposed at an outer edge of the circuit board body 100, the extending portion 200 is used for mounting a component 300, and the extending portion 200 is disposed in a staggered manner with respect to a plane where the circuit board body 100 is located and can be mounted on a mounting surface of a lithium battery module, so that a buffer gap is formed between the circuit board body 100 and the mounting surface.
Wherein, the components 300 are installed on the circuit board body 100 in a staggered manner by the added extension part 200, that is, the components 300 are not required to be installed on the circuit board body 100, the components 300 can be installed on the extension part 200, and are electrically connected with the circuit board body 100 by the extension part 200, and are electrically connected with the lithium battery module by the extension part 200, thereby realizing the relative fixation of the circuit board body 100 and the lithium battery module, and the extension part 200 and the circuit board body 100 are arranged in a staggered manner and can be installed on the installation surface of the lithium battery module, a buffer gap is formed between the circuit board body 100 and the installation surface on the lithium battery module, when the circuit board body 100 is impacted, impacted and vibrated, the circuit board body 100 has a tendency of moving towards the direction close to or far away from the buffer gap, thereby effectively avoiding the hard collision with the lithium battery module, and resetting under the action of the extension part 200, the external force generated by the impact, shock and vibration is absorbed by the extension part 200, and the extension part 200 can be directly replaced after being damaged, so that the circuit board body 100 is effectively protected, the mounting stability of the circuit board body 100 is improved, and the service life is prolonged.
The circuit board body 100 in this embodiment is a structure mounted on the lithium battery module, and can be connected to the component 300 to perform an intermediate conversion function.
In order to improve the impact resistance of the circuit board body 100, in a preferred embodiment, the circuit board body 100 is a flexible circuit board. The flexible circuit board has good toughness, and can have certain shock resistance.
Traditional components and parts 300 all are installed on the circuit board, the embodiment of the utility model provides an in components and parts 300 then stagger the installation with circuit board body 100, can install more components and parts 300, the integrated level is high, specifically, realizes above-mentioned function through extension 200 that sets up in circuit board body 100's edge.
In order to facilitate the connection between the circuit board body 100 and the extension portion 200, the edge of the circuit board body 100 in the embodiment of the present invention is provided with the connection end 110 corresponding to the extension portion 200 one to one, and the circuit board body 100 is connected with the corresponding extension portion 200 via the connection end 110.
In a preferred embodiment, the connecting end 110 and the circuit board body 100 are located in the same plane, one side of the connecting end 110 is fixedly connected with the circuit board body 100, the other side of the connecting end 110 is provided with an inclined groove 120, and the extending portion 200 is fixedly connected with the groove 120 of the connecting end 110. By providing the inclined groove 120, the extending portion 200 convenient for connection is arranged in a staggered manner with respect to the plane where the circuit board body 100 is located, and meanwhile, the connection between the connecting end 110 and the extending portion 200 is also convenient.
It should be noted that, in the embodiment of the present invention, the circuit board body 100 and the connecting end 110 are integrally formed, the connecting end 110 and the extending portion 200 are welded, and the circuit board body 100 is electrically connected to the extending portion 200.
Of course, in other preferred embodiments, the connection relationship between the circuit board body 100 and the extension portion 200 is not limited as long as the two are electrically connected and the above-mentioned buffering gap is formed.
In this embodiment, the extension portion 200 is electrically connected to the circuit board body 100, the component 300 mounted on the extension portion 200 can be electrically connected to the circuit board body 100, and meanwhile, the extension portion 200 can replace the circuit board body 100 to bear the impact force to protect the circuit board body 100, and the extension portion 200 enables the circuit board body 100 and the mounting surface to form a buffer gap, thereby preventing the circuit board body 100 from being in hard contact with the lithium battery module, and improving the heat dissipation capability of the circuit board body 100.
In some embodiments, the extension 200 should be shaped and sized according to the component 300 to be mounted thereon.
As shown in fig. 2, in a preferred embodiment, a BMS plug 310 is installed on the extension portion 200, because the size of the BMS plug 310 is large, the extension portion 200 includes a support plate 210 and an arc plate 220 which are arranged in parallel, one side of the support plate 210 is fixedly connected with the circuit board body 100, the other side of the support plate 210 is fixedly connected with the arc plate 220, the support plate 210 and the arc plate 220 form a C-shaped plate which is arranged perpendicular to the direction of the circuit board body 100, a component 300 is installed on the support plate 210, an abutting end 230 is provided on the arc plate 220, and the abutting end 230 abuts against a side portion of the component 300. The support plate 210 plays a role of connecting the BMS plug 310 and the circuit board body 100, and simultaneously, the arc plate 220 abuts against the BMS plug 310, so that the BMS plug 310 can be prevented from being misaligned with respect to the support plate 210, and the pins are not easily inserted into the BMS plug 310.
In another preferred embodiment, the extension portion 200 is mounted with a lithium battery module nickel sheet 320, and since the lithium battery module nickel sheet 320 has a small volume, the extension portion 200 is a C-shaped plate disposed parallel to the circuit board body 100, and the width of the extension portion 200 along the extension direction thereof is the same everywhere. By providing the C-shaped plate extension 200, the lateral and longitudinal bending resistance thereof can be improved.
In another preferred embodiment, the extension portion 200 is mounted with the temperature sensor nickel plate 330, and since the lithium battery module nickel plate 320 has a smaller volume, the extension portion 200 is a C-shaped plate disposed parallel to the circuit board body 100, and the width of the extension portion 200 along the extension direction thereof is the same everywhere. By providing the C-shaped plate extension 200, the lateral and longitudinal bending resistance thereof can be improved.
Similarly, when mounting other kinds of components 300, the shape and size of the extension portion 200 should be determined according to the shape and size of the component 300.
In some embodiments, the number of extensions 200 is determined by the number of components 300 that need to be mounted. For example, the number of components 300 to be mounted is plural, the number of the extension portions 200 is plural, and the plural extension portions 200 are sequentially arranged along the circumferential direction of the circuit board body 100 to mount the plural components 300. The extending portions 200 are located in the same plane, so that a buffering gap with a uniform thickness is formed between the circuit board body 100 and the mounting surface. Of course, in other embodiments, the plurality of extensions 200 may not be disposed in the same plane.
Compared with the prior art: through the added extension part 200, the component 300 and the circuit board body 100 are installed in a staggered manner, that is, the component 300 does not need to be installed on the circuit board body 100, the component 300 can be installed on the extension part 200, and is electrically connected with the circuit board body 100 through the extension part 200, and is electrically connected with the lithium battery module through the extension part 200, so that the circuit board body 100 and the lithium battery module are relatively fixed, and the extension part 200 and the circuit board body 100 are arranged in a staggered manner and can be installed on the installation surface of the lithium battery module, a buffer gap is formed between the circuit board body 100 and the installation surface of the lithium battery module, when the circuit board body 100 is impacted, impacted and vibrated, the circuit board body 100 has a tendency of moving towards a direction close to or far away from the buffer gap, thereby effectively avoiding hard collision with the lithium battery module, and resetting under the action of the extension part 200, the external force generated by the impact, shock and vibration is absorbed by the extension part 200, and the extension part can be directly replaced after being damaged, so that the circuit board body 100 is effectively protected, the mounting stability of the circuit board body 100 is improved, and the service life is prolonged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (10)
1. The utility model provides a lithium cell flexible line board structure, its characterized in that, includes the circuit board body, the outer fringe department of circuit board body is provided with at least one extension, the extension is used for installing components and parts, the extension with the setting is staggered on the plane that the circuit board body is located and can install on the installation face of lithium cell module, so that the circuit board body with form a buffering clearance between the installation face.
2. The lithium battery flexible circuit board structure of claim 1, wherein the circuit board body is a flexible circuit board.
3. The lithium battery flexible circuit board structure of claim 1, wherein the edge of the circuit board body is provided with a connection end corresponding to the extension portion one to one, and the circuit board body is connected with the corresponding extension portion via the connection end.
4. The lithium battery flexible circuit board structure of claim 3, wherein the connecting end and the circuit board body are located in the same plane, one side of the connecting end is fixedly connected with the circuit board body, the other side of the connecting end is provided with an inclined groove, and the extending portion is fixedly connected with the groove of the connecting end.
5. The lithium battery flexible circuit board structure of claim 4, wherein the circuit board body is integrally formed with the connection end, and the connection end and the extension portion are welded together.
6. The lithium battery flexible circuit board structure of claim 1, wherein the extension portion is a C-shaped plate disposed parallel to the circuit board body, and a width of the extension portion along an extension direction thereof is the same everywhere.
7. The lithium battery flexible circuit board structure of claim 1, wherein the extending portion includes a supporting plate and an arc-shaped plate which are arranged in parallel, one side of the supporting plate is fixedly connected with the circuit board body, the other side of the supporting plate is fixedly connected with the arc-shaped plate, the supporting plate and the arc-shaped plate form a C-shaped plate which is arranged perpendicular to the direction of the circuit board body, the supporting plate is provided with a component, and the arc-shaped plate is abutted to the side portion of the component.
8. The lithium battery flexible circuit board structure of claim 1, characterized in that the circuit board body is electrically connected with the extension portion.
9. The structure of the lithium battery flexible circuit board as claimed in claim 1, wherein the number of the extending portions is plural, and the plural extending portions are sequentially arranged along the circumference of the circuit board body for mounting plural components.
10. The lithium battery flexible circuit board structure of claim 9, wherein a plurality of the extension portions are located in the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221210272.0U CN217336031U (en) | 2022-05-17 | 2022-05-17 | Lithium battery flexible circuit board structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221210272.0U CN217336031U (en) | 2022-05-17 | 2022-05-17 | Lithium battery flexible circuit board structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217336031U true CN217336031U (en) | 2022-08-30 |
Family
ID=82952049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221210272.0U Active CN217336031U (en) | 2022-05-17 | 2022-05-17 | Lithium battery flexible circuit board structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217336031U (en) |
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2022
- 2022-05-17 CN CN202221210272.0U patent/CN217336031U/en active Active
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