CN216698659U - Information acquisition assembly, wire harness board assembly and battery device - Google Patents
Information acquisition assembly, wire harness board assembly and battery device Download PDFInfo
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- CN216698659U CN216698659U CN202123436946.7U CN202123436946U CN216698659U CN 216698659 U CN216698659 U CN 216698659U CN 202123436946 U CN202123436946 U CN 202123436946U CN 216698659 U CN216698659 U CN 216698659U
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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 application relates to the technical field of batteries and discloses an information acquisition assembly, a wiring harness board assembly and a battery device. The information acquisition assembly comprises a flexible circuit board and a signal acquisition part, one end of the signal acquisition part is electrically connected with the flexible circuit board, the other end of the signal acquisition part is used for acquiring signals, the signal acquisition part is connected with the flexible circuit board through at least two welding areas, and the flexible circuit board is provided with a wiring line between two adjacent welding areas. In the information acquisition assembly, the signal acquisition part is connected with the flexible circuit board through at least two welding areas, so that the welding area and the connection strength are large, the signal transmission efficiency is improved, and the signal acquisition part and the flexible circuit board are not easy to move relatively under the vibration working condition, so that the stability of signal acquisition and signal transmission can be improved; in addition, a space allowing the routing to pass is formed between the adjacent welding areas, so that the influence of the welding areas on the routing arrangement can be avoided, and the routing layout of the flexible circuit board is facilitated.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to an information acquisition assembly, a wiring harness board assembly and a battery device.
Background
In the existing battery device, the collection of battery signals is generally realized by a bus bar (busbar), a nickel sheet and a printed circuit board (FPC), the FPC is connected with the bus bar by the nickel sheet, and the battery temperature and/or voltage signals can be transmitted to the flexible circuit board by the bus bar through the nickel sheet, so that the collection of the battery temperature and/or voltage signals is realized. However, in the practical application process, the battery device is characterized in that under the vibration condition, the nickel sheet and the FPC move relatively, so that the transmission and the acquisition of the battery temperature and/or voltage signals fail.
SUMMERY OF THE UTILITY MODEL
The utility model provides an information acquisition assembly, a wire harness board assembly and a battery device, which are used for improving the stability and reliability of signal acquisition of the battery device.
In a first aspect, the application provides an information acquisition assembly, this information acquisition assembly includes flexible line way board and signal acquisition spare, the one end of signal acquisition spare with the flexible line way board electricity is connected, and the other end is used for gathering the signal, the signal acquisition spare with the flexible line way board links to each other through two at least welding area, the flexible line way board is adjacent two be equipped with between the welding area and walk the line.
The information acquisition assembly is used for acquiring signals of a battery in the battery device, such as voltage signals or temperature signals; specifically, in the information acquisition assembly, a Flexible Printed Circuit (FPC) and a busbar (busbar) are connected together through a signal acquisition part, the signal acquisition part can acquire a battery temperature or battery voltage signal through the busbar, and the acquired signal is finally transmitted to a battery management system through wiring on the FPC. In the embodiment, the signal acquisition part is connected with the flexible circuit board through at least two welding areas, so that the welding area and the connection strength are large, the signal transmission efficiency is improved, and the signal acquisition part and the flexible circuit board are not easy to move relatively in the actual production process and under the actual vibration working condition, so that the stability of signal acquisition and signal transmission can be improved; in addition, the routing of the flexible circuit board is arranged between the adjacent welding areas, namely, a space allowing the routing of the flexible circuit board to pass is formed between the adjacent welding areas, so that the influence of the welding areas on routing arrangement can be avoided, and the routing layout of the flexible circuit board is facilitated.
In a second aspect, the present application provides a wire harness board assembly comprising an upper insulating film, a lower insulating film, and an information collecting assembly as described above; the information acquisition assembly is located between the upper insulating film and the lower insulating film.
In the wire harness board assembly provided by the embodiment, the upper insulating film and the lower insulating film can play a role in protection and insulation, and the information acquisition assembly is used for acquiring a battery temperature or voltage signal and transmitting the acquired signal to the battery management system; in the information acquisition assembly, the signal acquisition part and the flexible circuit board are not easy to move relatively, so that the reliability of signal acquisition and transmission can be improved, and the performance reliability of the whole wiring harness board assembly is higher.
In a third aspect, the present application provides a battery device, which includes the above-mentioned wire harness board assembly, and the battery device is a battery module or a battery pack.
The battery device provided by the embodiment has higher reliability of signal acquisition and transmission, and the performance of the whole battery device is better.
Drawings
For a better understanding of the utility model, reference may be made to the embodiments illustrated in the following drawings. The components in the drawings are not necessarily to scale, and some relevant components may be omitted in order to emphasize and clearly illustrate the technical features of the present disclosure. In addition, the relevant elements or components may be arranged differently as is known in the art.
Fig. 1 is an exploded view of a wiring harness board assembly according to an embodiment of the present invention;
fig. 2 is a schematic partial structural diagram of an information collecting assembly provided in an embodiment of the present invention at a front view angle;
fig. 3 is a schematic partial structural view of an information collecting assembly according to another embodiment of the present invention at a front view;
fig. 4 is a schematic view of a partial structure of an information acquisition assembly at a back view angle according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a signal acquisition element in an information acquisition assembly according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a signal acquisition element in an information acquisition assembly according to another embodiment of the present invention.
Reference numerals:
1-a flexible circuit board; 2-a busbar; 3-a signal acquisition element; 31-an opening; 32-a via hole;
4-a welding area; 5-a temperature sensor; 6-a first signal line; 7-heat-conducting glue;
8-upper insulating film; 9-lower insulating film; 10-an information acquisition component.
Detailed Description
The technical solutions in the exemplary embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the exemplary embodiments of the present disclosure. The example embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the present disclosure, and it is, therefore, to be understood that various modifications and changes may be made to the example embodiments without departing from the scope of the present disclosure.
In a first aspect, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, the present application provides an information acquisition assembly 10, where the information acquisition assembly 10 is used in a battery device, and includes a flexible circuit board 1 and a signal acquisition part 3, one end of the signal acquisition part 3 is electrically connected to the flexible circuit board 1, and the other end is used for acquiring signals, the signal acquisition part 3 is connected to the flexible circuit board 1 through at least two welding areas 4, and the flexible circuit board 1 is provided with a trace between two adjacent welding areas 4. For example, the first signal line 6 in fig. 2 and 3.
The information acquisition assembly 10 provided by the present application is used for acquiring signals of a battery in a battery device, such as acquiring voltage signals or temperature signals; specifically, in the information acquisition assembly, a flexible printed circuit board (FPC) 1 and a busbar 2(busbar) are connected together through a signal acquisition part 3, the signal acquisition part 3 can acquire a battery temperature or a battery voltage signal through the busbar 2, and the acquired signal is finally transmitted to a battery management system through wiring on the flexible printed circuit board 1. In the embodiment, the signal acquisition part 3 is connected with the flexible circuit board 1 through at least two welding areas 4, so that the welding area and the connection strength are large, the signal transmission efficiency is improved, and the signal acquisition part 3 and the flexible circuit board 1 are not easy to move relatively in the actual production process and under the actual vibration working condition, so that the stability of signal acquisition and signal transmission can be improved; in addition, the routing of the flexible printed circuit board 1 is arranged between the adjacent welding areas 4, that is, a space allowing the routing of the flexible printed circuit board 1 to pass through is formed between the adjacent welding areas 4, so that the influence of the welding areas 4 on routing arrangement can be avoided, and the routing layout of the flexible printed circuit board 1 is facilitated.
Illustratively, the signal acquisition member 3 is a conductive sheet, and a nickel sheet may be used. Specifically, the signal collecting part 3 and the flexible circuit board 1 may be soldered by Surface Mount Technology (SMT); the signal acquisition part 3 and the bus bar 2 are ultrasonically welded.
In some embodiments, as shown in fig. 2, 5 and 6, the signal collecting member 3 is connected to the flexible circuit board 1 by using a plurality of soldering regions 4, the signal collecting member 3 is provided with a through hole 32 at least one soldering region 4, and the signal collecting member 3 is soldered to the flexible circuit board 1 at the periphery of the through hole 32. Specifically, the through hole 32 can discharge bubbles generated when the signal acquisition part 3 is welded with the flexible circuit board 1, and ensure the connection strength between the signal acquisition part 3 and the flexible circuit board 1. Preferably, the signal acquisition member 3 is provided with a through hole 32 at each welding area 4.
In some embodiments, as shown in fig. 2, 3, 5 and 6, the information acquisition assembly provided by the present application further includes a temperature sensor 5 disposed on the flexible circuit board 1, wherein the temperature sensor 5 is electrically connected to the flexible circuit board 1; specifically, an opening 31 is provided at one end of the signal acquisition member 3 connected to the flexible wiring board 1, the temperature sensor 5 is located in the opening 31, and the soldering region 4 between the signal acquisition member 3 and the flexible wiring board 1 is provided around the periphery of the opening 31. At this time, the signal acquisition member 3 is used for acquiring the battery temperature, and the battery temperature can be transmitted to the temperature sensor 5 through the signal acquisition member 3 by the bus bar 2, so as to realize the acquisition of the battery temperature.
Specifically, the flexible printed circuit board 1 is provided with a first signal line 6 electrically connected with the temperature sensor 5, the temperature sensor 5 is used for sensing temperature information, and the temperature information sensed by the temperature sensor 5 can be transmitted to the battery management system through the first signal line 6.
Specifically, the trace of the flexible printed circuit board 1 disposed between the adjacent soldering regions 4 includes the first signal line 6, that is, the first signal line 6 electrically connected to the temperature sensor 5 passes between the two adjacent soldering regions 4. The soldering regions 4 are disposed around the temperature sensors 5, leaving a space for arranging the first signal lines 6 between the adjacent soldering regions 4, through which the first signal lines 6 connected to the temperature sensors 5 pass and are finally connected to the battery management system, so that the soldering regions 4 do not affect the first signal lines 6, and the transmission reliability of the temperature signals can be ensured.
Illustratively, the temperature sensor 5 is a thermistor (NTC), which can be soldered on the flexible wiring board 1.
Illustratively, the shape of the opening 31 of the signal acquisition element 3 is rectangular. The rectangular opening 31 is relatively large in space, facilitating the welding operation of the temperature sensor 5.
Further, the rectangular opening 31 has four peripheral sides, the soldering region 4 between the signal pickup member 3 and the flexible wiring board 1 surrounds two or three sides of the opening 31, and the first signal line 6 connected to the temperature sensor 5 passes through the side of the opening 31 not surrounded.
Illustratively, as shown in fig. 2 and 3, two soldering regions 4 may be disposed between the signal collecting element 3 and the flexible printed circuit board 1, the two soldering regions 4 are respectively located on two opposite sides of the opening 31 and are symmetrically disposed, and the first signal line 6 may pass through any one of the two other sides of the opening 31 that are not enclosed. For example, the two welding areas 4 may be disposed on two sides along the length direction of the signal collecting member 3, so that the situation that the flexible circuit board 1 at the other end of the signal collecting member 3 is not arranged due to the long length of the signal collecting member 3 can be avoided; of course, the two welding regions 4 may be disposed on both sides of the signal collecting member 3 in the width direction of the nickel plate, which is not limited herein. Because the signal acquisition part 3 and the flexible circuit board 1 are provided with the two welding areas 4 which are symmetrically arranged and have higher connection strength, the signal acquisition part and the flexible circuit board are not easy to move relatively under the vibration working condition, and the problems of sealing failure of the temperature sensor 5 and the like caused by damage of the temperature sensor 5 or forced peeling of the heat-conducting adhesive 7 can be avoided; meanwhile, sufficient space may be reserved for the arrangement of the first signal lines 6 on both sides of the opening 31 where the soldering region 4 is not provided, facilitating the wiring of the first signal lines 6.
Alternatively, for example, the soldering region 4 between the signal collecting element 3 and the flexible circuit board 1 may also surround three sides of the opening 31, and the first signal line 6 is disposed on the side where the opening 31 is not surrounded; for example, three soldering regions 4 may be provided between the signal collecting member 3 and the flexible wiring board 1, the three soldering regions 4 are respectively located on three sides of the opening 31, and the first signal line 6 passes through the non-enclosed side of the opening 31. Therefore, the connection strength of the signal acquisition part 3 and the flexible circuit board 1 can be ensured, and a large enough space can be reserved for the arrangement of the first signal wire 6.
In some embodiments, the information acquisition assembly provided by the present application further includes a protection structure disposed on an area where the signal acquisition member 3 contacts the flexible circuit board 1, and the protection structure covers the temperature sensor 5, and can play a role in sealing and protecting the temperature sensor 5 through the protection structure.
Illustratively, as shown in fig. 3, the protective structure may be a thermally conductive glue 7. Specifically, can be through heat conduction glue 7 transmission heat between signal acquisition spare 3 and the temperature sensor 5, and then, the battery temperature is transmitted for temperature sensor 5 through signal acquisition spare 3, heat conduction glue 7 by busbar 2, realizes that the battery temperature gathers.
Exemplarily, the opening 31 and the upper surface of the signal acquisition part 3 are completely covered by the protection structure, and the temperature sensor 5 in the opening 31 is completely sealed, so that the structure of the temperature sensor 5 can be prevented from being damaged, a better protection effect is achieved, meanwhile, the heat acquired by the signal acquisition part 3 can be timely transmitted to the temperature sensor 5, and the sensitivity of temperature signal detection is improved.
In some embodiments, in the information acquisition assembly of the embodiment of the present application, the signal acquisition element 3 may be used to acquire a battery temperature signal; and can also be used to collect battery voltage signals. For example, the bus bar 2 is connected to the terminal of the battery, and the battery voltage signal can be transmitted to the flexible circuit board 1 through the bus bar 2 and the signal acquisition member 3 in sequence, and transmitted to the battery management system through the voltage transmission signal line on the flexible circuit board 1. Correspondingly, the trace of the flexible circuit board 1 provided between the adjacent soldering regions 4 may also include a voltage transmission signal line, that is, the voltage transmission signal line may also pass between two adjacent soldering regions 4.
In some embodiments, the information acquisition assembly provided by the present application may include both the signal acquisition element 3 for acquiring a voltage signal of the battery and the signal acquisition element 3 for acquiring a temperature signal of the battery, as shown in fig. 1, the signal acquisition element 3 in the area a is used for acquiring a voltage signal; the signal acquisition part 3 in the area B is used for acquiring temperature signals. The signal acquisition part 3 is used for acquiring voltage signals, is electrically connected with the flexible circuit board 1 through the welding area 4, and can realize the transmission of the voltage signals to the flexible circuit board 1; a signal acquisition part 3 for gathering temperature signal, through heat conduction structures such as heat conduction glue 7 with heat transfer to temperature sensor 5, temperature sensor 5 is connected with flexible line way board 1 electricity, can realize transmitting temperature signal to flexible line way board 1.
In some embodiments, as shown in fig. 1, 2, 3 and 4, the information collecting assembly 10 provided by the present application may further include a bus bar 2, one end of the bus bar 2 is connected to a pole of the battery, and the other end of the bus bar 2 is connected to the signal collecting member 3. In particular, the busbar 2 is used to transmit the battery voltage signal and/or the temperature signal to the signal acquisition member 3.
In a second aspect, as shown in fig. 1, the present application also provides a wire harness board assembly comprising an upper insulating film 8, a lower insulating film 9, and an information collecting assembly 10 as described in any one of the above; the information collecting member 10 is located between the upper insulating film 8 and the lower insulating film 9.
Specifically, the upper-layer insulating film 8 and the lower-layer insulating film 9 are hot-pressed films.
In the wire harness board assembly provided by this embodiment, the upper insulating film 8 and the lower insulating film 9 can play a role in protection and insulation, and the information acquisition assembly 10 is used for acquiring a battery temperature or voltage signal and transmitting the acquired signal to the battery management system; in this information acquisition subassembly 10, signal acquisition spare 3 is difficult for taking place relative movement with flexible line way board 1, can improve the reliability of signal acquisition and transmission, and then makes the performance reliability of whole pencil board subassembly higher.
In a third aspect, the present application further provides a battery device, where the battery device includes the above-mentioned wire harness board assembly, and the battery device is a battery module or a battery pack.
The battery device provided by the embodiment has higher reliability of signal acquisition and transmission, and the performance of the whole battery device is better.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and example embodiments be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims. It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. The utility model provides an information acquisition subassembly, its characterized in that includes flexible line way board and signal acquisition spare, the one end of signal acquisition spare with the flexible line way board electricity is connected, and the other end is used for gathering the signal, the signal acquisition spare with the flexible line way board links to each other through two at least welding area, the flexible line way board is adjacent two be equipped with between the welding area and walk the line.
2. The information acquisition assembly of claim 1 further comprising a temperature sensor disposed on the flexible circuit board, the temperature sensor being electrically connected to the flexible circuit board, the signal acquisition element being connected to an end of the flexible circuit board and having an opening, the temperature sensor being located within the opening, the at least two solder areas being disposed around a periphery of the opening.
3. The information acquisition assembly of claim 2 wherein the flexible circuit board is provided with a first signal line electrically connected to the temperature sensor, the trace comprising the first signal line.
4. The information-gathering component as recited in claim 3 wherein the opening is rectangular in shape; the at least two welding regions surround two or three sides of the opening, and the first signal line passes through the side of the opening not surrounded.
5. The information-gathering component as recited in claim 4 wherein the at least two weld areas include two weld areas, the two weld areas being located on opposite sides of the opening; alternatively, the at least two welding areas comprise three welding areas, the three welding areas being located on three sides of the opening, respectively.
6. The information acquisition assembly of claim 2 further comprising a protective structure disposed over an area where the signal acquisition element contacts the flexible circuit board, the protective structure covering the temperature sensor.
7. The information acquisition assembly of claim 6 wherein the protective structure is a thermally conductive adhesive.
8. The information-collecting assembly according to any one of claims 1 to 7, wherein the signal-collecting member is provided with a through-hole at the at least one soldering region.
9. A wiring harness board assembly comprising an upper insulating film, a lower insulating film, and the information collecting assembly according to any one of claims 1 to 8; the information acquisition assembly is located between the upper insulating film and the lower insulating film.
10. A battery device comprising the wire harness board assembly according to claim 9, wherein the battery device is a battery module or a battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123436946.7U CN216698659U (en) | 2021-12-30 | 2021-12-30 | Information acquisition assembly, wire harness board assembly and battery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123436946.7U CN216698659U (en) | 2021-12-30 | 2021-12-30 | Information acquisition assembly, wire harness board assembly and battery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216698659U true CN216698659U (en) | 2022-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123436946.7U Active CN216698659U (en) | 2021-12-30 | 2021-12-30 | Information acquisition assembly, wire harness board assembly and battery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216698659U (en) |
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2021
- 2021-12-30 CN CN202123436946.7U patent/CN216698659U/en active Active
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