CN209947993U - Battery cell information acquisition structure of battery pack - Google Patents
Battery cell information acquisition structure of battery pack Download PDFInfo
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- CN209947993U CN209947993U CN201921004197.0U CN201921004197U CN209947993U CN 209947993 U CN209947993 U CN 209947993U CN 201921004197 U CN201921004197 U CN 201921004197U CN 209947993 U CN209947993 U CN 209947993U
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- circuit board
- cable
- flexible flat
- battery pack
- information acquisition
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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 an electric core information acquisition structure of a battery pack, which comprises an acquisition circuit board for acquiring electric core information and a battery pack information acquisition device; the acquisition circuit board is provided with an acquisition sheet integrated with a sensor; the acquisition circuit board is connected with the battery pack information collector through a flexible flat cable so as to transmit the acquired electric core information to the battery pack information collector. So, only arrange collection circuit board and flexible flat cable and can realize the collection of electric core information inside the battery package, compare with pencil collection electric core information, the installation is more simple and convenient, the arrangement space that occupies is littleer, does benefit to the energy density that promotes the battery package and reduces the battery package cost.
Description
Technical Field
The utility model relates to a battery package technical field especially relates to an electric core information acquisition structure of battery package.
Background
The traditional battery pack battery core information acquisition structure is characterized in that an acquisition wire harness is connected to a battery core, and acquired battery core information is transmitted to a battery pack information acquisition device through the wire harness.
This structure is difficult to install and requires a large arrangement space, resulting in a low energy density of the battery pack.
Therefore, how to improve the electrical core information acquisition structure of the battery pack, so that the battery pack is convenient to install and saves space is a technical problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an electric core information acquisition structure of a battery pack, which comprises an acquisition circuit board for acquiring electric core information and a battery pack information acquisition device; the acquisition circuit board is provided with an acquisition sheet integrated with a sensor; the acquisition circuit board is connected with the battery pack information collector through a flexible flat cable so as to transmit the acquired electric core information to the battery pack information collector.
So, only arrange collection circuit board and flexible flat cable and can realize the collection of electric core information inside the battery package, compare with pencil collection electric core information, the installation is more simple and convenient, the arrangement space that occupies is littleer, does benefit to the energy density that promotes the battery package and reduces the cost of battery package.
The battery cell information acquisition structure further comprises a switching circuit board; the switching circuit board is connected with the flexible flat cable and the battery pack information collector through a wiring harness, and is used for converting the arrangement sequence of the electric signals output by the flexible flat cable into the arrangement sequence of the electric signals capable of being received by the battery pack information collector.
In the above battery cell information acquisition structure, the switching circuit board is provided with a harness interface for connecting the harness and a cable interface for connecting the flexible flat cable, and the harness interface and the cable interface are both arranged on the side surface of the switching circuit board.
In the above battery cell information collecting structure, the wire harness interface and the cable interface are respectively disposed on different sides of the adapting circuit board.
In the above battery cell information acquisition structure, the switching circuit board and the battery pack information acquisition device are both fixed on the bracket inside the battery pack.
In the above battery cell information collecting structure, the sensor includes a temperature sensor, a humidity sensor, and a voltage sensor.
The battery cell information acquisition structure further comprises a fixing clamp, wherein the fixing clamp clamps the flexible flat cable to limit the position of the flexible flat cable.
According to the battery cell information acquisition structure, the flexible flat cables are arranged in groups, and each group of flexible flat cable groups comprises the first cable part and the second cable part which are arranged at intervals along the transverse direction and the third cable part connected between the first cable part and the second cable part, so that each group of flexible flat cable groups is U-shaped; first connectors used for being connected with the acquisition circuit board are led out from one side of the first cable portion and one side of the second cable portion, and second connectors used for being connected with the switching circuit board are led out from one end of the second cable portion and one side of the third cable portion.
The battery cell information acquisition structure is provided with a plurality of groups of the flexible flat cable groups, a plurality of the switching circuit boards and a plurality of the battery pack information collectors, wherein the switching circuit boards are connected with the battery pack information collectors in a one-to-one correspondence manner, and the flexible flat cable groups are connected with the switching circuit boards in a one-to-one correspondence manner.
In the above battery cell information acquisition structure, each group of the flexible flat cable groups is sequentially arranged along the transverse direction; the two first cable parts of the adjacent flexible flat cable groups are overlapped, and the first joints led out by the two first cable parts are respectively positioned on different sides of the two first cable parts.
Drawings
Fig. 1 is a schematic diagram of a specific embodiment of a cell information acquisition structure provided by the present invention;
fig. 2 is a schematic diagram of fig. 1 in a state where the adapting circuit board and the battery pack information collector are disassembled;
fig. 3 is a top view of fig. 1.
The reference numerals in fig. 1 to 3 are explained as follows:
the battery pack information collector comprises a battery pack information collector 1, a flexible flat cable group 2, a first cable part 21, a second cable part 22, a third cable part 23, a first connector, a second connector, a switching circuit board 3, a wire harness 4 and a fixing clamp 5.
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.
Referring to fig. 1 to fig. 3, fig. 1 is a schematic diagram of a specific embodiment of a cell information acquisition structure provided by the present invention; fig. 2 is a schematic diagram of fig. 1 in a state where the adapting circuit board and the battery pack information collector are disassembled; fig. 3 is a top view of fig. 1.
The electric core information acquisition structure comprises an acquisition circuit board (not shown in the figure) and a battery pack information acquisition device 1. The acquisition circuit board is provided with an acquisition sheet integrated with a sensor, and the acquisition sheet is in contact with the battery cell (can be in direct contact or indirect contact) to acquire the information of the battery cell. And, the collection circuit board is connected with the battery pack information collector 1 through a Flexible Flat Cable (FFC) to transmit the collected cell information to the battery pack information collector 1 through the Flexible Flat Cable.
So, only arrange collection circuit board and flexible flat cable and can realize the collection of electric core information inside the battery package, compare with electric core information of 4 collection of pencil, the installation is more simple and convenient, the arrangement space that occupies is littleer, does benefit to the energy density that promotes the battery package and reduces the cost of battery package.
Specifically, the collecting Circuit Board may be a Flexible Printed Circuit (FPC) or a Printed Circuit Board (PCB).
Specifically, the sensor includes a temperature sensor, a voltage sensor and a humidity sensor, and of course, other types of sensors may be provided if other detection requirements exist. When the battery pack is specifically implemented, a plurality of collecting pieces can be arranged, a part of the collecting pieces are provided with temperature sensors, a part of the collecting pieces are provided with voltage sensors, and a part of the collecting pieces are provided with humidity sensors so as to respectively collect the temperature, the voltage and the humidity of the battery core.
Specifically, this electricity core information acquisition structure still is provided with switching circuit board 3. The adapting circuit board 3 is provided with a cable interface for connecting the flexible flat cable, so that the flexible flat cable is connected with the adapting circuit board 3. The switching circuit board 3 is also provided with a wire harness interface for connecting a wire harness 4, so that the switching circuit board 3 is connected with the battery pack information collector 1 through the wire harness 4. Thus, the flexible flat cable is indirectly connected with the battery pack information collector 1 through the adapter circuit board 3.
The switching circuit board 3 is used for converting the arrangement sequence of the electric signals output by the flexible flat cable into the arrangement sequence of the electric signals which can be received by the battery pack information collector 1, so that the battery pack information collector 1 can smoothly receive the collected cell information. In specific implementation, the conversion of the arrangement sequence of the electrical signals can be realized by etching the conversion circuit on the through circuit board 3. Through setting up switching circuit board 3, make this collection structure can be applicable to different battery packages, do benefit to the commonality that promotes collection structure.
Specifically, the harness interface and the cable interface may be both provided on the side surface of the relay circuit board 3. Thus, it is convenient to save the arrangement space. The harness and cable interfaces are preferably arranged on different sides of the adapter circuit board 3, for example, in the illustrated embodiment, the adapter circuit board 3 is provided with a first side, a second side, a third side and a fourth side in this order, the harness interface is arranged on the first side of the adapter circuit board 3, and the cable interface is arranged on the second side, the third side and the fourth side of the adapter circuit board 3.
Specifically, the adapting circuit board 3 and the battery pack information collector 1 may be fixed on a bracket inside the battery pack. For example, in the illustrated embodiment, the adapting circuit board 3 and the battery pack information collector 1 are provided with connecting holes at corresponding positions, and a fastener (not shown in the figure) passes through the connecting holes of the adapting circuit board and the battery pack information collector to fix the adapting circuit board and the battery pack information collector on a bracket inside the battery pack. Preferably, the surface of the adapter circuit board 3 is attached to the surface of the battery pack information collector 1, so that the arrangement space is saved.
Specifically, this electricity core information acquisition structure can also set up fixation clamp 5. A clamping arm of the fixing clamp 5 is fixedly arranged, and can be fixed on a housing of the battery pack, a housing of the battery module, or other components fixed relative to the housing of the battery pack. The flexible flat cable is clamped between the two clamping arms of the fixing clamp 5. Therefore, the position of the flexible flat cable can be relatively fixed, and the stability of the acquisition structure is favorably ensured. In specific implementation, in order to better define the position of the flexible flat cable, a plurality of fixing clips 5 may be arranged at intervals along the length direction of the flexible flat cable, and the number of the fixing clips 5 may be flexibly selected according to the length of the flexible flat cable.
Specifically, the flexible flat cables are grouped to form the flexible flat cable groups 2, as shown in the figure, each group of flexible flat cable groups 2 includes first cable parts 21 and second cable parts 22 arranged at intervals in the transverse direction and a third cable part 23 connected between the first cable parts and the second cable parts, so that each group of flexible flat cable groups is U-shaped. A first connector a for connecting with the collecting circuit board is led out from one side of the first cable part 21 and one side of the second cable part 22, and a second connector b for connecting with the adapting circuit board 3 is led out from one end of the second cable part 22 and one side of the third cable part 23. For example, in the illustrated embodiment, a second connector b is led out from one end of the second cable portion 22, and the second connector b is inserted into a cable interface on the second side surface of the adapting circuit board 3; a plurality of second connectors b are led out from one side of the third cable portion 23, wherein one of the second connectors b is inserted into the cable interface on the fourth side of the adapting circuit board 3, and the other second connectors b are inserted into the cable interfaces on the third side of the adapting circuit board 3 in a one-to-one correspondence manner. The arrangement is convenient for the connection of the flexible flat cable 2, the acquisition circuit board and the transfer circuit board 3.
In specific implementation, the group of flexible flat cables 2 may be a flexible flat cable bent into a U shape, or a stack of a plurality of flexible flat cables bent into a U shape.
Specifically, only one set of flexible flat cable group 2 may be provided, or a plurality of sets of flexible flat cable groups 2 may be provided, where a plurality of sets refers to two or more sets. When the battery pack is specifically implemented, the number of the groups of the flexible flat cable groups is flexibly selected according to the actual requirements of the battery pack.
More specifically, when a plurality of sets of flexible flat cable groups 2 are provided, a corresponding number of the switching circuit boards 3 and a corresponding number of the battery pack information collectors 1 are provided, so that the switching circuit boards 3 are connected with the battery pack information collectors 1 in a one-to-one correspondence, and the flexible flat cable groups 2 are connected with the switching circuit boards 3 in a one-to-one correspondence. For example, in the illustrated embodiment, two adapting circuit boards 3, two sets of flexible flat cable sets 2, and two battery pack information collectors 1 are provided, the two adapting circuit boards 3 are respectively connected to the two battery pack information collectors 1, and the two sets of flexible flat cable sets 2 are respectively connected to the two adapting circuit boards 3.
More specifically, as shown in the figure, when a plurality of sets of flexible flat cable sets 2 are provided, each set of flexible flat cable sets 2 are sequentially arranged along the transverse direction, and two first cable parts 21 of adjacent flexible flat cable sets 2 are overlapped and first connectors a led out from the two first cable parts 21 are respectively located on different sides of the two first cable parts 21, so that the arrangement space is further saved.
It is right above the utility model provides an electric core information acquisition structure of battery package has 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. A battery core information acquisition structure of a battery pack is characterized by comprising an acquisition circuit board for acquiring battery core information and a battery pack information acquisition device (1); the acquisition circuit board is integrated with an acquisition sheet with a sensor; the acquisition circuit board is connected with the battery pack information acquisition unit (1) through a flexible flat cable so as to transmit the acquired battery cell information to the battery pack information acquisition unit (1).
2. The cell information acquisition structure according to claim 1, further comprising a transfer circuit board (3); the switching circuit board (3) is connected with the flexible flat cable and is further connected with the battery pack information collector (1) through a wiring harness (4), and the switching circuit board (3) is used for converting the arrangement sequence of the electric signals output by the flexible flat cable into the arrangement sequence of the electric signals capable of being received by the battery pack information collector (1).
3. The cell information acquisition structure according to claim 2, wherein the adapter circuit board (3) is provided with a harness interface for connecting the harness (4) and a cable interface for connecting the flexible flat cable, and the harness interface and the cable interface are both provided on a side surface of the adapter circuit board (3).
4. The battery cell information acquisition structure according to claim 3, wherein the harness interface and the cable interface are respectively disposed on different sides of the adapter circuit board (3).
5. The battery cell information acquisition structure of claim 2, wherein the adapter circuit board (3) and the battery pack information acquisition unit (1) are both fixed to a support inside a battery pack.
6. The cell information acquisition structure according to any one of claims 1 to 5, wherein the sensor comprises a temperature sensor, a humidity sensor, or a voltage sensor.
7. The cell information acquisition structure according to any one of claims 1 to 5, further comprising a fixing clip (5), wherein the fixing clip (5) clips the flexible flat cable to define the position of the flexible flat cable.
8. The battery cell information acquisition structure according to any one of claims 2 to 5, wherein the flexible flat cables are arranged in groups, and each group of flexible flat cable groups (2) comprises a first cable part (21) and a second cable part (22) which are arranged at intervals along the transverse direction and a third cable part (23) connected between the first cable part and the second cable part, so that each group of flexible flat cable groups (2) is U-shaped; first joints (a) used for being connected with the acquisition circuit board are led out from one side of the first cable part (21) and one side of the second cable part (22), and second joints (b) used for being connected with the switching circuit board (3) are led out from one end of the second cable part (22) and one side of the third cable part (23).
9. The battery cell information acquisition structure according to claim 8, wherein a plurality of sets of the flexible flat cable sets (2), a plurality of the adapting circuit boards (3), and a plurality of the battery pack information collectors (1) are provided, each adapting circuit board (3) is connected to the battery pack information collectors (1) in a one-to-one correspondence, and each set of the flexible flat cable sets (2) is connected to the adapting circuit boards (3) in a one-to-one correspondence.
10. The cell information acquisition structure according to claim 9, wherein each group of the flexible flat cable groups (2) is arranged in sequence along the transverse direction; the two first cable parts of the adjacent flexible flat cable group (2) are overlapped, and the first joints (a) led out by the two first cable parts (21) are respectively positioned on different sides of the two first cable parts (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921004197.0U CN209947993U (en) | 2019-06-28 | 2019-06-28 | Battery cell information acquisition structure of battery pack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921004197.0U CN209947993U (en) | 2019-06-28 | 2019-06-28 | Battery cell information acquisition structure of battery pack |
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| CN209947993U true CN209947993U (en) | 2020-01-14 |
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| CN201921004197.0U Active CN209947993U (en) | 2019-06-28 | 2019-06-28 | Battery cell information acquisition structure of battery pack |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110618305A (en) * | 2019-09-30 | 2019-12-27 | 江西优特汽车技术有限公司 | On-line detection system of power battery package pencil that general type is strong |
| TWI760150B (en) * | 2021-01-27 | 2022-04-01 | 美商莫仕有限公司 | battery connection module |
| WO2023050310A1 (en) * | 2021-09-30 | 2023-04-06 | 宁德时代新能源科技股份有限公司 | Sampling component, battery, electrical device, and sampling component fabrication and sampling method |
| WO2023103408A1 (en) * | 2021-12-09 | 2023-06-15 | 湖北亿纬动力有限公司 | Information acquisition apparatus for battery module, and battery module |
| WO2023115934A1 (en) * | 2021-12-20 | 2023-06-29 | 湖北亿纬动力有限公司 | Battery module |
| CN114824673B (en) * | 2021-01-27 | 2024-07-02 | 莫仕连接器(成都)有限公司 | Battery connection module |
-
2019
- 2019-06-28 CN CN201921004197.0U patent/CN209947993U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110618305A (en) * | 2019-09-30 | 2019-12-27 | 江西优特汽车技术有限公司 | On-line detection system of power battery package pencil that general type is strong |
| TWI760150B (en) * | 2021-01-27 | 2022-04-01 | 美商莫仕有限公司 | battery connection module |
| CN114824673A (en) * | 2021-01-27 | 2022-07-29 | 莫仕连接器(成都)有限公司 | Battery connection module |
| CN114824673B (en) * | 2021-01-27 | 2024-07-02 | 莫仕连接器(成都)有限公司 | Battery connection module |
| WO2023050310A1 (en) * | 2021-09-30 | 2023-04-06 | 宁德时代新能源科技股份有限公司 | Sampling component, battery, electrical device, and sampling component fabrication and sampling method |
| WO2023103408A1 (en) * | 2021-12-09 | 2023-06-15 | 湖北亿纬动力有限公司 | Information acquisition apparatus for battery module, and battery module |
| WO2023115934A1 (en) * | 2021-12-20 | 2023-06-29 | 湖北亿纬动力有限公司 | Battery module |
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