CN220986489U - Flexible circuit board, battery module and electronic equipment - Google Patents
Flexible circuit board, battery module and electronic equipment Download PDFInfo
- Publication number
- CN220986489U CN220986489U CN202322637517.9U CN202322637517U CN220986489U CN 220986489 U CN220986489 U CN 220986489U CN 202322637517 U CN202322637517 U CN 202322637517U CN 220986489 U CN220986489 U CN 220986489U
- Authority
- CN
- China
- Prior art keywords
- buffer
- main body
- circuit board
- flexible circuit
- recess
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000000872 buffer Substances 0.000 claims abstract description 82
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000006073 displacement reaction Methods 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000006173 Good's buffer Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
Classifications
-
- 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
Landscapes
- Structure Of Printed Boards (AREA)
Abstract
The utility model discloses a flexible circuit board, a battery module and electronic equipment, which comprise a main body part, a buffer part, a bonding pad and a plurality of transmission lines, wherein the main body part is provided with an assembly hole, the buffer part is provided with a first end and a second end, the first end and the second end of the buffer part are both connected with the main body part, a first hollow groove is formed between the buffer part and the main body part, a buffer concave position is formed at the edge of the first end of the buffer part, and a breakpoint connector is arranged between the second end of the buffer part and the main body part; the bonding pad is arranged on the buffer part; the plurality of transmission lines are arranged on the main body part, and at least one transmission line extends to the buffer part through the first end of the buffer part and is connected with the bonding pad. The buffer part can provide larger displacement redundant space, and is beneficial to reducing the damage of external pulling force to the flexible circuit board.
Description
Technical Field
The utility model relates to the technical field of circuit boards, in particular to a flexible circuit board, a battery module and electronic equipment.
Background
Along with the popularization of new energy technology, the application of rechargeable batteries is also becoming wider and wider. In order to monitor the rechargeable battery, a flexible circuit board (FPC) is used as a signal acquisition board, however, when the service time is long, the problem of battery expansion of the rechargeable battery can occur under the condition of charging and discharging, and the flexible circuit board is welded on the rechargeable battery, so that the welding position between the flexible circuit board and the rechargeable battery can be displaced due to the battery expansion, and the flexible circuit board is pulled, so that the flexible circuit board is torn and damaged.
Disclosure of utility model
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the flexible circuit board, the battery module and the electronic equipment, which can reduce the damage of external pulling force to the flexible circuit board.
In one aspect, an embodiment of the present utility model provides a flexible circuit board, including a main body portion provided with an assembly hole; the buffer part is provided with a first end and a second end, the first end and the second end of the buffer part are connected with the main body part, a first hollow groove is formed between the buffer part and the main body part, a buffer concave position is formed at the edge of the first end of the buffer part, and a breakpoint connector is arranged between the second end of the buffer part and the main body part; a pad disposed on the buffer portion; and the transmission lines are arranged on the main body part, and at least one transmission line extends to the buffer part through the first end of the buffer part and is connected with the bonding pad.
According to some embodiments of the utility model, the cushioning portion has a first side and a second side, the first side of the cushioning portion being adjacent the main body portion, the second side of the cushioning portion being remote from the main body portion relative to the first side, the first side and the second side of the cushioning portion each being provided with the cushioning recess.
According to some embodiments of the utility model, the buffer recess comprises a first recess and a second recess, and a portion of the buffer between the first recess and the second recess forms an S-shaped structure.
According to some embodiments of the utility model, the buffer recess is a U-shaped recess or a semicircular recess.
According to some embodiments of the utility model, a second hollow groove and a third hollow groove are arranged between the first end of the buffer part and the main body part, and the breakpoint connector is positioned between the second hollow groove and the third hollow groove.
According to some embodiments of the utility model, the break point connector has a width of 1.5±0.2mm.
According to some embodiments of the utility model, the mounting hole is an oblong hole or an oval hole.
According to some embodiments of the utility model, the bonding pad has an electrical connector soldered thereon.
In another aspect, an embodiment of the present utility model provides a battery module, including the above flexible circuit board.
In still another aspect, an embodiment of the present utility model provides an electronic device, including the flexible circuit board described above.
The embodiment of the utility model has at least the following beneficial effects:
The buffer part and the main body part are provided with the first hollow groove, so that the connecting structure between the buffer part and the main body part can be reduced, the buffer part has larger displacement redundant space, and when the displacement is overlarge, the breakpoint connecting body is broken, so that the connection between the buffer part and the main body part can be disconnected, thereby providing larger displacement redundant space, and being beneficial to reducing the damage of external pulling force to the flexible circuit board.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic plan view of a flexible circuit board according to an embodiment of the utility model;
Fig. 2 is an enlarged partial schematic view of the circled position a in fig. 1.
Reference numerals:
The device comprises a main body 100, a buffer 200, a bonding pad 300, a transmission line 400, a mounting hole 110, a first hollow 210, a buffer recess 220, a first recess 221, a second recess 222, a breakpoint connector 230, a second hollow 231, a third hollow 232 and an electrical connector 500.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, the meaning of "a number" means one or more, the meaning of "a plurality" means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and "above", "below", "within", etc. are understood to include the present number. If any, the terms "first," "second," etc. are used for distinguishing between technical features only, and should not be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as "disposed," "mounted," "connected," and the like are to be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by those skilled in the art in combination with the specific contents of the technical solutions.
Referring to fig. 1 and 2, the present embodiment discloses a flexible circuit board, which includes a main body portion 100, a buffer portion 200, a bonding pad 300 and a plurality of transmission lines 400, wherein the main body portion 100 is provided with an assembly hole 110, the buffer portion 200 has a first end and a second end, the first end and the second end of the buffer portion 200 are both connected with the main body portion 100, and a first hollow groove 210 is provided between the buffer portion 200 and the main body portion 100, wherein a buffer concave portion 220 is provided at an edge of the first end of the buffer portion 200, a breakpoint connector 230 is provided between the second end of the buffer portion 200 and the main body portion 100, the bonding pad 300 is disposed on the buffer portion 200, the bonding pad 300 is used for welding an electrical connector 500, such as a nickel sheet, the plurality of transmission lines 400 are disposed on the main body portion 100, and at least one transmission line 400 extends onto the buffer portion 200 through the first end of the buffer portion 200 and is connected with the bonding pad 300.
The flexible circuit board of this embodiment may be used as a signal acquisition board of a rechargeable battery, and when in use, the electric connector 500 is connected to the pad 300 of the buffer portion 200, and the electric connector 500 is soldered to the rechargeable battery. When the service time of the rechargeable battery is not long, since the first end and the second end of the buffer portion 200 are both connected with the main body portion 100, sufficient strength can be provided to ensure that the buffer portion 200 is reliably connected, and when the rechargeable battery is used for a long time, the rechargeable battery is expanded in the charging and discharging process to enable the electric connector 500 to generate displacement, so that a pulling force is applied to the flexible circuit board through the electric connector 500, for the flexible circuit board of the embodiment, the first hollowed-out groove 210 is arranged between the buffer portion 200 and the main body portion 100, the connection structure between the buffer portion 200 and the main body portion 100 can be reduced, the buffer portion 200 has larger displacement redundancy space, and when the displacement is too large, the connection between the buffer portion 200 and the main body portion 100 can be disconnected, so that the larger displacement redundancy space is provided, and damage of the pulling force to the flexible circuit board is reduced.
Referring to fig. 1, the buffer portion 200 has a first side and a second side, the first side of the buffer portion 200 is adjacent to the main body portion 100, the second side of the buffer portion 200 is opposite to the first side and far away from the main body portion 100, and the first side and the second side of the buffer portion 200 are respectively provided with a buffer concave portion 220, which can adapt to the pulling forces in different directions, thereby providing a good buffer effect.
Specifically, the buffer concave portion 220 includes a first concave portion 221 and a second concave portion 222, and a portion of the buffer portion 200 located between the first concave portion 221 and the second concave portion 222 forms an S-shaped structure. The first concave portion 221 is located on the first side of the buffer portion 200, the second concave portion 222 is located on the second side of the buffer portion 200, and the first concave portion 221 is communicated with the first hollow groove 210, so as to provide a larger hollow area, reduce a connection structure between the buffer portion 200 and the main body portion 100, and provide a buffer capability. Wherein, the buffer concave position 220 is a U-shaped concave position or a semicircular concave position, which is convenient for processing and has beautiful appearance.
Referring to fig. 1 and 2, a second hollow groove 231 and a third hollow groove 232 are disposed between the first end of the buffer portion 200 and the main body portion 100, and the breakpoint connector 230 is disposed between the second hollow groove 231 and the third hollow groove 232, i.e. the breakpoint connector 230 can be manufactured by routing. The second hollow groove 231 is in communication with the first hollow groove 210. It should be noted that in the present embodiment, the number of the breakpoint connectors 230 is one, and a plurality of breakpoint connectors 230 can be set according to different application scenarios to provide higher connection strength. In this embodiment, the width of the break point connector 230 (e.g., the width L in fig. 2) is 1.5±0.2mm, and the break point connector 230 can be broken when the pulling force is large. Specifically, the width of the break point connector 230 may be 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.7mm, or the like.
Referring to fig. 1, in order to provide a better assembly effect, the assembly hole 110 of the main body 100 is an oblong hole or an oval hole. In the assembly process, due to the expansion and contraction of the flexible circuit board and the offset of the assembly structure of the rechargeable battery, the position between the assembly hole 110 and the assembly structure is not adapted, and the oblong or elliptical assembly hole 110 can provide a certain assembly redundancy space for the flexible circuit board, namely, the assembly structure of the rechargeable battery is offset and can be normally assembled without pulling the flexible circuit board.
The embodiment also provides a battery module, which comprises the flexible circuit board. The battery module comprises a battery core, the battery core is connected with the flexible circuit board, and even if the battery core expands, the flexible circuit board can well prevent the damage caused by the expansion of the battery core, so that the service life is longer.
The embodiment also provides electronic equipment, which comprises the flexible circuit board. The first hollow groove 210 is arranged between the buffer part 200 and the main body part 100, so that the connecting structure between the buffer part 200 and the main body part 100 can be reduced, the buffer part 200 has larger displacement redundancy space, and when the displacement is overlarge, the breakpoint connecting body 230 breaks, the connection between the buffer part 200 and the main body part 100 can be disconnected, thereby providing larger displacement redundancy space, and being beneficial to reducing the damage of external pulling force to the flexible circuit board.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (10)
1. A flexible circuit board, comprising:
A main body part provided with an assembly hole;
The buffer part is provided with a first end and a second end, the first end and the second end of the buffer part are connected with the main body part, a first hollow groove is formed between the buffer part and the main body part, a buffer concave position is formed at the edge of the first end of the buffer part, and a breakpoint connector is arranged between the second end of the buffer part and the main body part;
a pad disposed on the buffer portion;
And the transmission lines are arranged on the main body part, and at least one transmission line extends to the buffer part through the first end of the buffer part and is connected with the bonding pad.
2. The flexible circuit board of claim 1, wherein the buffer portion has a first side and a second side, the first side of the buffer portion being adjacent the main body portion, the second side of the buffer portion being remote from the main body portion relative to the first side, the first side and the second side of the buffer portion each being provided with the buffer recess.
3. The flexible circuit board of claim 2, wherein the buffer recess comprises a first recess and a second recess, the portion of the buffer between the first recess and the second recess forming an S-shaped structure.
4. A flexible circuit board according to claim 2 or 3, wherein the buffer recess is a U-shaped recess or a semicircular recess.
5. The flexible circuit board of claim 1, wherein a second hollowed out groove and a third hollowed out groove are provided between the first end of the buffer portion and the main body portion, and the breakpoint connector is located between the second hollowed out groove and the third hollowed out groove.
6. The flexible circuit board of claim 1 or 5, wherein the break point connector has a width of 1.5 ± 0.2mm.
7. The flexible circuit board of claim 1, wherein the mounting hole is an oblong hole or an oval hole.
8. The flexible circuit board of claim 1 wherein the pads have electrical connections soldered thereto.
9. A battery module comprising the flexible circuit board according to any one of claims 1 to 8.
10. An electronic device comprising the flexible circuit board of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322637517.9U CN220986489U (en) | 2023-09-27 | 2023-09-27 | Flexible circuit board, battery module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322637517.9U CN220986489U (en) | 2023-09-27 | 2023-09-27 | Flexible circuit board, battery module and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220986489U true CN220986489U (en) | 2024-05-21 |
Family
ID=91069938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322637517.9U Active CN220986489U (en) | 2023-09-27 | 2023-09-27 | Flexible circuit board, battery module and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220986489U (en) |
-
2023
- 2023-09-27 CN CN202322637517.9U patent/CN220986489U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |