CN215644890U - Flexible circuit board assembly, battery pack and vehicle - Google Patents
Flexible circuit board assembly, battery pack and vehicle Download PDFInfo
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- CN215644890U CN215644890U CN202121774871.0U CN202121774871U CN215644890U CN 215644890 U CN215644890 U CN 215644890U CN 202121774871 U CN202121774871 U CN 202121774871U CN 215644890 U CN215644890 U CN 215644890U
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- circuit board
- flexible circuit
- signal transmission
- board assembly
- wire
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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 a flexible circuit board assembly, a battery pack and a vehicle, wherein the flexible circuit board assembly is connected with a collection unit and a control unit of a battery management system, and comprises: the flexible circuit board is provided with a signal transmission lead group, the signal transmission lead group comprises two signal transmission leads which are arranged at intervals, one of the two signal transmission leads is electrically connected with the acquisition unit, and the other signal transmission lead is electrically connected with the control unit; the safety connecting piece is detachably connected to the signal transmission lead group, and the safety connecting piece is connected between two signal transmission leads of the signal transmission lead group, so that the two signal transmission leads of the signal transmission lead group are electrically connected. According to the flexible circuit board assembly, after the safety connecting piece is damaged, only the safety connecting piece needs to be replaced, the whole flexible circuit board does not need to be replaced, the maintenance cost can be reduced, and the material waste is reduced.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to a flexible circuit board assembly, a battery pack and a vehicle.
Background
In the related art, it is pointed out that, a BMS (battery management system) usually employs an FPC (flexible circuit board) to transmit parameters such as voltage, temperature, etc. of a collected battery module, the fuse of the flexible circuit board is usually directly etched on the flexible circuit board, if the etching fuse in a certain loop is damaged, for example, after the flexible circuit board is fused due to a circuit short circuit, the whole flexible circuit board cannot be used and needs to be integrally replaced, so that on one hand, the maintenance and replacement cost of the flexible circuit board is too high, on the other hand, the material of the flexible circuit board is greatly wasted, which is not beneficial to the sustainable development strategy of saving resources and countries, and in addition, the etched fuse is easy to fall off, thereby causing the failure of the battery module, and further increasing the maintenance cost.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a flexible circuit board assembly, and the flexible circuit board assembly only needs to replace an insurance connecting piece after insurance is damaged, but does not need to replace the whole flexible circuit board, so that the maintenance cost is reduced, and the material resource is saved.
The utility model also provides a battery pack with the flexible circuit board assembly.
The utility model also provides a vehicle with the battery pack.
According to the flexible circuit board assembly of the first aspect of the present invention, the flexible circuit board assembly is connected to the acquisition unit and the control unit of the battery management system, and the flexible circuit board assembly includes: the flexible circuit board is provided with a signal transmission lead group, the signal transmission lead group comprises two signal transmission leads which are arranged at intervals, one of the two signal transmission leads is electrically connected with the acquisition unit, and the other signal transmission lead is electrically connected with the control unit; the safety connecting piece is detachably connected to the signal transmission lead group, and the safety connecting piece is connected between the two signal transmission leads of the signal transmission lead group so that the two signal transmission leads of the signal transmission lead group are electrically connected.
According to the flexible circuit board assembly, the safety connecting piece is detachably connected with the signal transmission lead group on the flexible circuit board, and the safety connecting piece is electrically connected with the two signal transmission leads respectively, so that after the outgoing line on the circuit is short-circuited and the safety fuse is fused, only the safety connecting piece needs to be replaced, the whole flexible circuit board does not need to be replaced, the maintenance cost is reduced, the material waste is reduced, and in addition, the connection structure of the safety connecting piece and the signal transmission lead group is simple and is convenient to assemble and disassemble.
According to some embodiments of the present invention, two wire holes corresponding to the two signal transmission wires are formed in the flexible circuit board, and a portion of the signal transmission wire along the length direction penetrates through the wire holes and another portion of the signal transmission wire extends out of the wire holes to be detachably connected to the fuse connector.
Further, the signal transmission conductor includes: the wire body penetrates through the wire hole; the connecting part is formed at one end of the lead body and positioned outside the lead hole, and the connecting part is suitable for being detachably connected with the fuse connecting piece.
Further, the connecting portion is formed in a plate shape, and the connecting portion is formed with a connecting hole penetrating through the connecting portion in a thickness direction; the fuse link includes: a mounting seat; the spliced pole, the spliced pole includes with two respectively the signal transmission wire corresponds two, the one end of spliced pole with the mount pad links to each other and the other end is suitable for inserting the connecting hole and with connecting portion detachably connects.
Still further, the other end of the connecting column is connected with the connecting part in a soldering mode.
In some embodiments, the flexible circuit board is formed with a mounting hole, the mounting hole is communicated with one end of the wire guide hole along the length direction, and the connecting part is positioned in the mounting hole; the safety connector is at least partially positioned in the mounting hole.
According to some embodiments of the utility model, the flexible circuit board assembly further comprises: the supporting plate, flexible circuit board detachably establishes in the supporting plate.
Furthermore, a mounting structure for mounting the signal transmission lead group is formed on the flexible circuit board, the mounting structure comprises a mounting hole penetrating through the flexible circuit board in the thickness direction, an avoiding port penetrating through the support board in the thickness direction is formed on the support board, and the avoiding port and the mounting hole are opposite and communicated in the thickness direction of the support board.
A battery pack according to a second aspect of the present invention includes: at least one battery module; a battery management system comprising a flexible circuit board assembly according to the first aspect of the utility model.
According to the battery pack provided by the embodiment of the utility model, by arranging the flexible circuit board assembly of the embodiment, when the corresponding safety connecting piece is fused due to the short circuit of the signal transmission loop of the flexible circuit board assembly, only the safety connecting piece needs to be replaced without integrally replacing the flexible circuit board, so that the maintenance cost can be reduced, the waste of the material of the flexible circuit board can be avoided, and meanwhile, the replacement operation is simple and the flexible circuit board can be replaced quickly.
A vehicle according to a third aspect of the utility model includes: the battery pack according to the second aspect of the utility model.
According to the vehicle provided by the embodiment of the utility model, the battery pack is arranged, so that the maintenance cost can be saved, the maintenance operation difficulty can be reduced, and the assembly is convenient.
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
Fig. 1 is a top view of a flexible circuit board assembly according to an embodiment of the present invention;
FIG. 2 is a bottom view of the flexible circuit board assembly shown in FIG. 1;
FIG. 3 is a front view of the flexible circuit board assembly shown in FIG. 1;
FIG. 4 is a side view of the flexible circuit board assembly shown in FIG. 1;
FIG. 5 is a schematic diagram of a signal transmission conductor according to an embodiment of the present invention;
figure 6 is a schematic view of a fuse link according to an embodiment of the present invention.
Reference numerals:
flexible circuit board assembly 100:
a flexible circuit board 1, a wire guide hole 11, a signal transmission wire 12, a wire body 121, a connecting portion 122, a connecting hole 123, a mounting hole 13,
a safety connecting piece 2, a mounting seat 21, a connecting column 22,
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
A flexible circuit board assembly 100 according to an embodiment of the first aspect of the utility model is described below with reference to fig. 1-6.
As shown in fig. 1, according to the flexible circuit board assembly 100 of the embodiment of the first aspect of the present invention, the flexible circuit board assembly 100 is connected to an acquisition unit (not shown) and a control unit (not shown) of a battery management system, and the flexible circuit board assembly 100 may include: a flexible circuit board 1 and a fuse connector 2.
Specifically, the flexible circuit board 1 may be provided with at least one signal transmission conductor group, the signal transmission conductor group may include two signal transmission conductors 12, the two signal transmission conductors 12 are disposed at intervals, the two signal transmission conductors 12 may be two conductor segments in the same signal transmission loop, one of the two signal transmission conductors 12 is electrically connected to the acquisition unit, the other is electrically connected to the control unit, the safety connector 2 is detachably connected to the signal transmission conductor group, the safety connector 2 may be connected between the two signal transmission conductors 12 of the signal transmission conductor group, so that the two signal transmission conductors 12 of the signal transmission conductor group are electrically connected.
Since the fuse is usually directly etched on the flexible circuit board 1 in the related art, after the fuse is damaged, for example, the fuse is fused due to a short circuit, the whole flexible circuit board cannot be used and needs to be integrally replaced, according to the flexible circuit board assembly 100 of the present invention, the fuse connecting member 2 and the signal transmission conductor group on the flexible circuit board 1 are detachably connected, and the fuse connecting member 2 is electrically connected to the two signal transmission conductors 12, respectively, after the circuit is short-circuited and the fuse is fused, only the fuse connecting member 2 needs to be replaced without replacing the whole flexible circuit board 1, thereby reducing the maintenance cost and reducing the material waste of the flexible circuit board, in addition, the fuse connecting member 2 is connected to the signal transmission conductors 12 in a mechanical connection manner, and is not easy to fall off due to vibration of a vehicle, which is beneficial to improving the reliability of a battery pack, and the fuse connecting member 2 and the signal transmission conductor group are detachably connected, can be conveniently assembled and disassembled.
Optionally, flexible circuit board 1 is last to be equipped with a plurality of signal transmission wire groups, and every signal transmission wire group all includes two signal transmission wire 12, and insurance connecting piece 2 also includes a plurality of with signal transmission wire group one-to-one, and battery management system also can include a plurality of collection units with signal transmission wire group one-to-one simultaneously, and like this, battery management system can gather the voltage of a plurality of battery module, temperature isoparametric simultaneously.
According to some embodiments of the present invention, referring to fig. 1, a plurality of wire holes 11 corresponding to the signal transmission wire groups one by one may be formed on the flexible circuit board 1, each wire hole 11 may include two wire holes 11 corresponding to two signal transmission wires 12, respectively, a portion of the signal transmission wire 12 along the length direction is inserted into the wire hole 11, and another portion of the signal transmission wire 12 extends out of the wire hole 11 to be detachably connected to the safety connector 2, thereby facilitating the connection between the signal transmission wire 12 and the safety connector 2.
Further, referring to fig. 2, 3 and 5, the signal transmission wire 12 may include: a wire body 121 and a connection portion 122. Wherein, wire body 121 wears to locate wire guide 11, connecting portion 122 can be formed at wire body 121 along length direction's one end, and connecting portion 122 can be located outside wire guide 11, so, can make things convenient for linking to each other of connecting portion 122 and insurance connecting piece 2, connecting portion 122 is suitable for and links to each other with insurance connecting piece 2 detachably, for example, connecting portion 122 can with insurance connecting piece 2 joint, riveting or soldering connection, so, connection structure is simple, make things convenient for the assembly of flexible circuit board subassembly 100.
Further, referring to fig. 5 and 6, the wire body 121 is formed as a wire, the connection part 122 may be formed in a plate shape, the connection part 122 is located at one end of the wire body 121 in a length direction, the connection part 122 is formed with a connection hole 123, and the connection hole 123 penetrates the connection part 122 in a thickness direction (e.g., up and down direction). The fuse link 2 may include: mount pad 21 and spliced pole 22, wherein, spliced pole 22 can include two, two spliced poles 22 correspond and link to each other with two signal transmission wire 12 respectively, the one end of spliced pole 22 links to each other with mount pad 21, the other end of spliced pole 22 is suitable for inserting connecting hole 123 and be connected with connecting portion 122 detachably, therefore, when assembly flexible circuit board subassembly 100, only need insert in the connecting hole 123 of connecting portion 122 of signal transmission wire 12 with the spliced pole 22 of insurance connecting piece 2, can realize the connection of insurance connecting piece 2 and flexible circuit board 1, simplify connection structure, conveniently install and remove and the maintenance replacement in later stage.
Still further, the other end of the connection post 22 (for example, the lower end of the connection post 22) is soldered to the connection portion 122, and since the melting point of tin is low, rapid soldering can be usually achieved by an electric soldering iron, the operation is simple, and the structural integrity of the safety connector 2 and the flexible circuit board 1 is not damaged, so that the connection method can be used as a way of detachably connecting the safety connector 2 and the flexible circuit board 1 in this embodiment.
In some embodiments, referring to fig. 1, the flexible circuit board 1 may further have a mounting hole 13 formed thereon, the mounting hole 13 communicates with one end of the wire hole 11 along the length direction, the connecting portion 122 of each of the two signal transmission wires 12 may be located in the mounting hole 13, at least a portion of the securing connection member 2 may be located in the mounting hole 13, for example, as shown in fig. 1, the mounting hole 13 may be disposed adjacent to one side edge of the flexible circuit board 1 along the circumferential direction, the mounting hole 13 may be formed as a rectangular hole, one end of the wire hole 11 penetrates through an inner circumferential wall of the mounting hole 13 and communicates with the mounting hole 13, the wire body 121 of the signal transmission wire 12 may be inserted into the wire hole 11, the connecting portion 122 may be located in the mounting hole 13, the mounting seat 21 of the securing connection member 2 may be formed in a square shape adapted to the mounting hole 13, after the connection post 22 is inserted into the connecting hole 123 of the connecting portion 122, at least a portion of the mounting seat 21 along the thickness direction may be located in the mounting hole 13, like this, because flexible circuit board 1 material is softer, through mutually supporting of mount pad 21 and mounting hole 13, be favorable to promoting flexible circuit board 1 and insurance connecting piece 2's connection stability, also make flexible circuit board subassembly 100's compact structure simultaneously, make things convenient for the assembly of later stage in the battery package.
Alternatively, the mounting hole 13 may be formed as a circular hole, and the mounting seat 21 may be formed as a circular block shape adapted to the mounting hole 13, although the utility model is not limited thereto, and the shapes of the mounting hole 13 and the mounting seat 21 may be appropriately selected according to the needs.
Optionally, mounting hole 13 can be close to one side border setting of flexible circuit board 1, can establish insurance connecting piece 2 at one side border of flexible circuit board 1 like this, when assembling flexible circuit board 1 to battery module, can establish the part that is equipped with insurance connecting piece 2 outside the lid of battery module, like this, when changing insurance connecting piece 2, need not to unpack the lid of battery module apart, reduce the artifical process of tearing battery module apart, reduce maintenance personal's safe risk, reduce the risk that insurance connecting piece 2 changes badly and leads to the short circuit of battery module
According to some embodiments of the present invention, referring to fig. 1-4, the flexible circuit board assembly 100 may further include: a support plate 3. Specifically, flexible circuit board 1 detachably establishes in backup pad 3, because flexible circuit board 1's material is softer, when direct and insurance connecting piece 2 links to each other, is difficult to carry out effectual fixed with flexible circuit board 1 in order to make things convenient for the connection of spliced pole 22 and connecting hole 123, and backup pad 3 is located through locating flexible circuit board 1 detachably to this embodiment, can make flexible circuit board 1 keep the form of relatively stable to make things convenient for linking to each other of insurance connecting piece 2 and signal transmission wire group.
For example, the supporting plate 3 may be formed as a flat plate, the supporting plate 3 may be a rigid plate, one side of the supporting plate 3 in the thickness direction may be formed with an insertion post (not shown) extending away from the supporting plate 3 in the thickness direction, the flexible circuit board 1 may be formed with an insertion hole adapted to the insertion post, and the supporting plate 3 and the flexible circuit board 1 may be detachably connected by inserting the insertion post into the insertion hole; alternatively, the supporting plate 3 may be connected to the flexible circuit board 1 in a snap-fit manner, or the supporting plate 3 may be connected to the flexible circuit board 1 by gluing or heat-melting.
Further, referring to fig. 1 and 2, the flexible circuit board 1 is formed with a mounting structure, which can be used for mounting a signal transmission wire group, for example, the mounting structure can include a mounting hole 13 penetrating the flexible circuit board 1 along the thickness direction, the mounting hole 13 can be used for mounting a connecting portion 122 of the signal transmission wire 12, the support plate 3 can be formed with a relief opening 31, the relief opening 31 can penetrate the support plate 3 along the thickness direction, the relief opening 31 and the mounting hole 13 are opposite and communicated along the thickness direction of the support plate 3, so that after the connecting post 22 of the safety connecting member 2 is inserted into the connecting hole 123 of the connecting portion 122 of the signal transmission wire 12, the connecting portion 122 and the connecting post 22 can be soldered from the side of the relief opening 31 of the support plate 3, thereby facilitating the welding operation, and certainly, when the safety connecting member 2 is fused, the side of the relief opening 31 of the support plate 3 can also be soldered, the soldering tin 4 at the joint of the safety connecting piece 2 and the connecting part 122 is kicked off by using the electric soldering iron, the new safety connecting piece 2 is replaced, and therefore the avoiding opening 31 is arranged, so that the operation is convenient, and meanwhile, the structure is simple, and the processing is convenient.
A battery pack according to an embodiment of the second aspect of the utility model is described below.
A battery pack according to a second aspect of the present invention includes: at least one battery module, and a battery management system, which may include the flexible circuit board assembly 100 according to the above-described embodiment of the present invention.
Specifically, the battery package can include a plurality of battery module, battery management include with the collection unit of battery module one-to-one, simultaneously, flexible circuit board 1 is last to have a plurality of signal transmission wire groups with collection unit one-to-one, every collection unit all links to each other with the control unit through the signal transmission wire group that corresponds, every collection unit gathers the temperature of the battery module that corresponds, voltage isoparametric, then through the signal transmission wire group that corresponds with it with the data transmission who gathers for the control unit. When any signal transmission loop is short-circuited, the corresponding safety connecting piece 2 can be replaced without replacing the whole flexible circuit board 1.
According to the battery pack provided by the embodiment of the utility model, by arranging the flexible circuit board assembly 100 of the embodiment, when the corresponding fuse connecting piece 2 is fused due to short circuit of a signal transmission loop of the flexible circuit board assembly 100, only the fuse connecting piece 2 needs to be replaced without integrally replacing the flexible circuit board 1, so that the maintenance cost can be reduced, the waste of materials of the flexible circuit board 1 can be avoided, and meanwhile, the replacement operation is simple and can be quickly replaced.
A vehicle according to an embodiment of the third aspect of the utility model is described below.
A vehicle according to a third aspect of the utility model includes: the battery pack according to the above embodiment of the present invention.
According to the vehicle provided by the embodiment of the utility model, the battery pack is arranged, so that the maintenance cost can be saved, the maintenance operation difficulty can be reduced, and the assembly is convenient.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A flexible circuit board assembly, characterized in that, flexible circuit board assembly connects collection unit and the control unit of battery management system, flexible circuit board assembly includes:
the flexible circuit board is provided with a signal transmission lead group, the signal transmission lead group comprises two signal transmission leads which are arranged at intervals, one of the two signal transmission leads is electrically connected with the acquisition unit, and the other signal transmission lead is electrically connected with the control unit;
the safety connecting piece is detachably connected to the signal transmission lead group, and the safety connecting piece is connected between the two signal transmission leads of the signal transmission lead group so that the two signal transmission leads of the signal transmission lead group are electrically connected.
2. The flexible circuit board assembly of claim 1, wherein the flexible circuit board is formed with two wire holes corresponding to the two signal transmission wires, respectively, and a portion of the signal transmission wires along the length direction is inserted into the wire holes and another portion of the signal transmission wires extends out of the wire holes to be detachably connected to the fuse connector.
3. The flexible circuit board assembly of claim 2, wherein the signal transmission conductor comprises:
the wire body penetrates through the wire hole;
the connecting part is formed at one end of the lead body and positioned outside the lead hole, and the connecting part is suitable for being detachably connected with the fuse connecting piece.
4. The flexible circuit board assembly according to claim 3, wherein the connection part is formed in a plate shape, and the connection part is formed with a connection hole penetrating the connection part in a thickness direction;
the fuse link includes:
a mounting seat;
the spliced pole, the spliced pole includes with two respectively the signal transmission wire corresponds two, the one end of spliced pole with the mount pad links to each other and the other end is suitable for inserting the connecting hole and with connecting portion detachably connects.
5. The flexible circuit board assembly of claim 4, wherein the other end of the connection post is soldered to the connection portion.
6. The flexible circuit board assembly according to claim 3, wherein the flexible circuit board is formed with a mounting hole, the mounting hole communicates with one end of the wire guide hole in a length direction, and the connecting portion is located in the mounting hole;
the safety connector is at least partially positioned in the mounting hole.
7. The flexible circuit board assembly of claim 1, further comprising: the supporting plate, flexible circuit board detachably establishes in the supporting plate.
8. The flexible circuit board assembly according to claim 7, wherein the flexible circuit board is formed with a mounting structure for mounting the signal transmission lead group, the mounting structure includes a mounting hole penetrating through the flexible circuit board in a thickness direction, the support plate is formed with an avoiding opening penetrating through the support plate in the thickness direction, and the avoiding opening is opposite to and communicated with the mounting hole in the thickness direction of the support plate.
9. A battery pack, comprising:
at least one battery module;
a battery management system comprising the flexible circuit board assembly of any of claims 1-8.
10. A vehicle, characterized by comprising: the battery pack as set forth in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121774871.0U CN215644890U (en) | 2021-07-30 | 2021-07-30 | Flexible circuit board assembly, battery pack and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121774871.0U CN215644890U (en) | 2021-07-30 | 2021-07-30 | Flexible circuit board assembly, battery pack and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215644890U true CN215644890U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121774871.0U Active CN215644890U (en) | 2021-07-30 | 2021-07-30 | Flexible circuit board assembly, battery pack and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215644890U (en) |
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2021
- 2021-07-30 CN CN202121774871.0U patent/CN215644890U/en active Active
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