CN212136571U - Flexible circuit board, electric core information acquisition system and battery pack - Google Patents
Flexible circuit board, electric core information acquisition system and battery pack Download PDFInfo
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- CN212136571U CN212136571U CN202020939411.8U CN202020939411U CN212136571U CN 212136571 U CN212136571 U CN 212136571U CN 202020939411 U CN202020939411 U CN 202020939411U CN 212136571 U CN212136571 U CN 212136571U
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- 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
Abstract
The utility model discloses a flexible circuit board, electric core information acquisition system and battery package, flexible circuit board includes two first plate bodys and two second plate bodys, two be equipped with on the first plate body and gather piece hookup location, two the second plate body is equipped with connector hookup location, one first plate body, one second plate body, another first plate body, another the second plate body is end to end in proper order, forms closed structure. During the use, will gather the piece and connect on gathering the piece hookup location, connect the connector on the connector hookup location, the connector is used for connecting output line, makes the information of gathering the piece and gathering go out through output line transmission. The flexible circuit board with the structure can select any one side to be led out from two sides where the two second board bodies are located according to requirements, and can select one-side or two-side lead-out according to requirements, so that the arrangement of output circuits is not limited by the lead-out side of the flexible circuit board, and the optimal wiring design is achieved.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a flexible circuit board, including this flexible circuit board's electric core information acquisition system and including this electric core information acquisition system's battery package.
Background
The battery pack comprises a plurality of groups of battery modules and an acquisition system for acquiring the information of the battery cells, the battery cells are core components of the battery modules, and the battery modules comprise a plurality of battery cells. The collected data are transmitted to the controller, and the controller controls the battery pack according to the data so that the battery pack is in the optimal operation state.
The battery cell information acquisition system generally includes a flexible circuit board, the flexible circuit board is connected with an acquisition sheet and a connector, and the connector is connected with an output line to transmit acquired data. In the prior art, the flexible circuit board is a U-shaped circuit board, two longitudinal portions of the U-shaped circuit board are connected to the acquisition sheet, and a transverse portion of the U-shaped circuit board is connected to the connector.
The U-shaped circuit board has the following disadvantages:
(1) only one-sided wire outgoing can be realized, so that the adjustment margin of an output circuit is small, and the optimal wiring design cannot be achieved.
(2) For the battery module with the outlet on the left side, the U-shaped circuit board with the opening facing to the right needs to be adopted, and for the battery module with the outlet on the right side, the U-shaped circuit board with the opening facing to the left needs to be adopted, however, the outlet is not usually arranged in the middle of the end part of the battery module, so if the U-shaped circuit board with the opening facing to the right is turned by 180 degrees and installed on the battery module with the outlet on the right side, the connector of the U-shaped circuit board cannot be directly aligned with the outlet of the battery module, so that the outlet cannot be led out, therefore, the battery module with the outlet on the left side and the battery module with the outlet on the right side need to be respectively provided with one U-shaped circuit.
In view of the above, it is a technical problem to be solved by those skilled in the art to avoid some or all of the above disadvantages.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a flexible circuit board, flexible circuit board includes two first plate bodys and two second plate bodys, two be equipped with on the first plate body and gather piece hookup location, two the second plate body is equipped with connector hookup location, one first plate body, one second plate body, another first plate body, another the second plate body is end to end in proper order, forms closed structure.
During the use, will gather the piece and connect on gathering the piece hookup location, connect the connector on the connector hookup location, the connector is used for connecting output line, makes the information of gathering the piece and gathering go out through output line transmission.
The flexible circuit board with the structure can select any one side to be led out from two sides where the two second board bodies are located according to requirements, and can select one-side or two-side lead-out according to requirements, so that the arrangement of an output circuit is not limited by the lead-out side of the flexible circuit board, therefore, the adjustment scope of the output circuit is larger, and the optimal wiring design is more favorably achieved.
Optionally, the two first plate bodies are parallel to each other, the two second plate bodies are parallel to each other, and the first plate bodies and the second plate bodies are perpendicular to each other.
Optionally, a plurality of collecting sheet connecting positions are sequentially arranged at intervals in the length direction of the two first plate bodies.
Optionally, the collecting sheet connecting positions on the first plate body and the collecting sheet connecting positions on the second plate body are staggered one by one along the length direction.
Optionally, the connector connection positions on the two second board bodies are symmetrical about the center of the flexible circuit board.
The utility model also provides an electricity core information acquisition system, include collector, flexible circuit board, connector, collection piece and be used for connecting the collector with the output line of connector, flexible circuit board is above-mentioned arbitrary flexible circuit board.
Because the flexible circuit board has the technical effects, the battery cell information acquisition system comprising the flexible circuit board also has the technical effects.
Optionally, the output line is a wire harness or a flexible flat cable.
Optionally, the output line includes a longitudinal portion arranged between two rows of battery modules, a plurality of connectors are respectively led out from two sides of the longitudinal portion, and each connector is connected with one connector.
Optionally, the collecting sheet comprises a voltage collecting sheet and a temperature collecting sheet.
The utility model also provides a battery pack, including a plurality of battery modules and electric core information acquisition system, electric core information acquisition system is above-mentioned arbitrary electric core information acquisition system.
Since the flexible circuit board has the technical effects, the battery pack including the flexible circuit board also has the technical effects.
Drawings
Fig. 1 is a schematic view of a flexible circuit board provided by the present invention;
fig. 2 is a schematic partial structural diagram of an embodiment of a cell information acquisition system provided by the present invention;
fig. 3 is a schematic partial structural diagram of another embodiment of the battery cell information acquisition system provided by the present invention;
fig. 4 is a schematic view of a partial structure of a battery pack using the cell information acquisition system shown in fig. 2;
fig. 5 is an internal schematic view of the battery module.
The reference numerals are explained below:
the flexible printed circuit board comprises a flexible printed circuit board 1, a first board body 11, a second board body 12, a collecting sheet 2, a connector 3, a flexible flat cable 41, a wire harness 42, a connector on a longitudinal portion 5, a collector 6, a battery module 7, a wiring board 71 and an end plate 72.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following provides a detailed description of the technical solution of the present invention with reference to the accompanying drawings.
It should be noted that, in the description of the present invention, the directions or positional relationships indicated by "upper", "lower", "left", "right", etc. are the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the system or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, the flexible circuit board 1 includes two first board bodies 11 and two second board bodies 12. The two first plate bodies 11 are provided with collecting piece connecting positions, and the two second plate bodies 12 are provided with connector connecting positions. The first plate body 11, the second plate body 12, the other first plate body 11 and the other second plate body 12 are sequentially connected end to form a closed structure.
During the use, will gather piece 2 and connect on gathering the piece hookup location, connect connector 3 on the connector hookup location, connector 3 is used for connecting output line, makes the information of gathering piece 2 collection transmit through output line.
The flexible circuit board 1 with the structure can select any one side to be led out from two sides where the two second board bodies 12 are located according to requirements, and can select single-side or double-side to be led out according to requirements, so that the arrangement of output circuits is not limited by the line outgoing side of the flexible circuit board 1, therefore, the adjustment scope of the output circuits is larger, and the optimal wiring design is more favorably achieved.
When one-sided outgoing line is selected, the connector 3 may be connected to only one second board body 12 of the flexible circuit board 1, and of course, the connectors 3 may be connected to both the second board bodies 12, with one connector 3 being a spare connector. When double-side outgoing lines are selected, the connectors 3 need to be connected to both the second board bodies 12 of the flexible circuit board 1.
Specifically, two first board bodies 11 may be parallel to each other, two second board bodies 12 may be parallel to each other, and the first board bodies 11 and the second board bodies 12 are perpendicular to each other, so that the flexible circuit board 1 is generally rectangular as a whole, and is convenient to arrange.
Specifically, a plurality of collecting piece connecting positions may be sequentially arranged at intervals in the length direction of the two first plate bodies 11. In actual implementation, the number of the connection positions of the acquisition pieces and the arrangement distance can be flexibly set according to needs. Usually, the collecting sheet connecting position can be formed by providing an exposed pad on the first board body 11, and the collecting sheet 2 is soldered to the pad in use.
Specifically, the connection positions of the acquisition sheets on the two first board bodies 11 may be staggered one by one along the length direction of the flexible circuit board 1, that is, in the width direction of the flexible circuit board 1, the connection position of the acquisition sheet on one first board body 11 corresponds to an area between the connection positions of adjacent acquisition sheets on the other first board body 11.
Specifically, the connector connection positions on the two second board bodies 12 may be made symmetrical with respect to the center of the flexible circuit board 1. With this arrangement, when the flexible circuit board 1 is rotated 180 ° around the center of the flexible circuit board 1, the positions of the connector connection sites on the two second board bodies 12 remain unchanged, and it can be understood from fig. 1 that when the flexible circuit board 1 is rotated 180 ° around the center thereof, the connector connection site on the left side reaches the position of the connector connection site on the right side, and the connector connection site on the right side reaches the position of the connector connection site on the left side, so that, as a whole, the positions corresponding to the two connector connection sites do not change.
Due to the arrangement, the flexible circuit board 1 can be used on the battery module with the outlet on the left side and can also be used on the battery module with the outlet on the right side, so that two sets of flexible circuit board jigs are not required to be arranged, and the production cost of the battery pack can be reduced.
In detail, if the connectors 3 are connected to the two connector connection positions of the flexible circuit board 1, the flexible circuit board 1 on the battery module 7 which is used for the right-side outgoing line needs to be replaced with the battery module 7 which is used for the left-side outgoing line, and the flexible circuit board 1 only needs to be translated; if the flexible circuit board 1 is connected to the connector 3 at only one connector connection position, the flexible circuit board 1 used in the battery module 7 with the right side outgoing line needs to be replaced with the flexible circuit board 1 used in the battery module 7 with the left side outgoing line by rotating the flexible circuit board 1 by 180 ° around the center in addition to the translation.
As shown in fig. 2 and 3, the electric core information acquisition system includes an output line and a collector 6, and when in use, both the output line and the collector 6 are disposed outside the battery module 7 and inside the battery pack, and the output line is connected to the collector 6, as can be understood by referring to fig. 4.
The battery cell information acquisition system further comprises the flexible circuit board 1, the connector 3 and the acquisition sheet 2, when the battery cell information acquisition system is used, the flexible circuit board 1, the connector 3 and the acquisition sheet 2 are all arranged inside the battery module 7, and the connector 3 is connected with an output line, please understand the system in combination with fig. 5.
When the collecting device is used, information collected by the collecting sheet 2 is transmitted to the connector 3 through the flexible circuit board 1, and then transmitted to the collector 6 through the output line.
Specifically, the type of the collecting sheet 2 can be flexibly selected according to the requirement, for example, the collecting sheet can be a voltage collecting sheet or a temperature collecting sheet, and multiple types of collecting sheets can be simultaneously arranged.
Specifically, as shown in fig. 2, the transmission line may be a flexible flat cable 41 as shown in fig. 3, and the output line may be a wire harness 42. In contrast, the flexible flat cable 41 requires a smaller arrangement space.
In the specific scheme, the output line comprises a longitudinal part and a transverse part, joints are led out from the longitudinal part and the transverse part of the output line, and the joints on the transverse part are connected with the collector 6. When in use, the longitudinal part is arranged between two rows of battery modules 7, the transverse part is arranged between two rows of battery modules 7, and the connector 5 on the longitudinal part is connected with the connector 3 inside the battery modules 7, as can be understood by referring to fig. 4.
In a specific embodiment, a plurality of joints 5 are respectively led out from both sides of the longitudinal portion. When in use, the connectors 5 on one side are correspondingly connected with the connectors 3 in one row of battery modules 7, and the connectors 5 on the other side are correspondingly connected with the connectors 3 in the other row of battery modules 7, as can be understood by referring to fig. 4.
In a specific scheme, a plurality of joints are led out from two ends of the transverse part respectively, the joint at one end is connected with one collector 6, and the joint at the other end is connected with the other collector 6.
As shown in fig. 4, the battery pack includes a plurality of sets of battery modules 7, each set of battery modules 7 is arranged in a matrix, the side portions of the battery modules 7 are adjacent to each other in sequence in one row, the end portions of the battery modules 7 are adjacent to each other in sequence in one row, and the battery pack is provided with four rows and two rows in the figure. The number of the battery modules 7 may be flexibly set according to actual needs, and is not limited to the illustrated embodiment. The battery pack further comprises the battery cell information acquisition system.
As shown in fig. 5, end plates 72 are provided at both ends of the battery module 7, and a plurality of cells are sequentially arranged between the end plates 72. A wiring board 71 is arranged above the battery core, and mounting grooves are respectively arranged on two sides and in the middle of the wiring board 71.
During the use, install the aluminium bar (not showing the aluminium bar in fig. 5) in the mounting groove of walking line board 71 both sides, the aluminium bar is fixed with electric core welding through the through-hole on walking line board 71. Walk and install flexible circuit board 1 in the mounting groove in the middle of line board 71, two second plate bodies 12 of flexible circuit board 1 are located the both ends of battery module 7, and the collection piece 2 of connecting on two first plate bodies 11 of flexible circuit board 1 contacts with the aluminium row that corresponds the side respectively to the realization is to the information acquisition of electric core.
It is right above the utility model provides a flexible circuit board, electric core information acquisition system and battery package have carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The utility model provides a flexible circuit board, its characterized in that, flexible circuit board (1) includes two first plate bodies (11) and two second plate bodies (12), two be equipped with on first plate body (11) and gather the piece hookup location, two be equipped with the connector hookup location on the second plate body (12), one first plate body (11), one second plate body (12), another first plate body (11), another second plate body (12) are end to end in proper order, form closed structure.
2. The flexible circuit board according to claim 1, wherein the two first board bodies (11) are parallel to each other, the two second board bodies (12) are parallel to each other, and the first board bodies (11) and the second board bodies (12) are perpendicular to each other.
3. The flexible circuit board according to claim 2, wherein a plurality of collecting sheet connecting positions are sequentially arranged at intervals in the length direction of the two first board bodies (11).
4. The flexible circuit board according to claim 3, wherein the connection positions of the acquisition sheets on the first board body (11) and the connection positions of the acquisition sheets on the second board body (12) are staggered one by one along the length direction.
5. The flexible circuit board according to any one of claims 1 to 4, wherein the connector attachment positions on both of the second board bodies (12) are symmetrical with respect to the center of the flexible circuit board (1).
6. The battery cell information acquisition system comprises a collector (6), a flexible circuit board, a connector (3), an acquisition sheet (2) and an output line for connecting the collector (6) and the connector (3), and is characterized in that the flexible circuit board is the flexible circuit board (1) according to any one of claims 1 to 5.
7. The cell information acquisition system according to claim 6, wherein the output line is a wire harness (42) or a flexible flat cable (41).
8. The battery cell information acquisition system according to claim 7, wherein the output line comprises a longitudinal portion arranged between two rows of battery modules (7), a plurality of connectors are respectively led out from two sides of the longitudinal portion, and each connector (5) on the longitudinal portion is respectively connected with one connector (3).
9. The battery cell information acquisition system according to claim 6, wherein the acquisition sheet (2) comprises a voltage acquisition sheet and a temperature acquisition sheet.
10. A battery pack comprising a plurality of battery modules (7) and a cell information acquisition system, characterized in that the cell information acquisition system is the cell information acquisition system of any of claims 6-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020939411.8U CN212136571U (en) | 2020-05-28 | 2020-05-28 | Flexible circuit board, electric core information acquisition system and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020939411.8U CN212136571U (en) | 2020-05-28 | 2020-05-28 | Flexible circuit board, electric core information acquisition system and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212136571U true CN212136571U (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020939411.8U Active CN212136571U (en) | 2020-05-28 | 2020-05-28 | Flexible circuit board, electric core information acquisition system and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212136571U (en) |
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2020
- 2020-05-28 CN CN202020939411.8U patent/CN212136571U/en active Active
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