FPC assembly for repairing CCS assembly
By setting an arched structure on the nickel sheet, the problem of metal debris entering the battery pack during CCS module repair was solved, which improved safety and efficiency, shortened repair time and reduced costs.
Patent Information
- Application Number
- CN202423058137.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-11
AI Technical Summary
When repairing existing CCS modules, it is necessary to mill and grind the aluminum busbars on the battery module, which generates metal shavings that enter the battery pack, affecting safety and taking a long time.
The design incorporates an arched structure on the nickel sheet to avoid the existing solder joints between the FPC components and the battery module. The nickel sheet is directly welded to the aluminum busbar, eliminating the need for grinding and using laser welding equipment for connection.
This prevents metal debris from entering the battery pack, improving safety and significantly reducing repair time, saving 50% of assembly time and 50% of costs.
Smart Images
Figure CN223729990U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to circuit board technical field especially relates to a CCS assembly is repaired with FPC assembly. BACKGROUND
[0002] With the progress of new energy technology, new energy technology is constantly developing in the field of energy storage vehicles and gradually penetrates into the highly integrated energy storage and new energy power battery system. At present, CCS assemblies are widely used to connect the battery cells in the battery pack. The CCS assembly has the advantages of integration, lightweight, low cost, etc. The existing CCS assembly integrates the insulation plate, FPC, nickel sheet, aluminum row and other components. Its characteristics are lightweight structure, excellent overall strength and insulation performance, stable voltage and temperature signal transmission, and high automation degree.
[0003] The existing CCS assembly usually installs the FPC on the insulation plate, and the nickel sheet is connected on both sides of the FPC in the width direction and extends and distributes in the length direction of the FPC. The outer end of the nickel sheet is welded with an aluminum row for welding with the battery module. When the CCS assembly is assembled with the battery module, the aluminum row is welded to the battery module. When the battery module is tested, if any component in the CCS assembly has quality problems and needs to be repaired, the existing method is to mill and polish the welded part of the aluminum row and the battery module to remove the entire CCS assembly. After the repair is completed, the CCS assembly is connected with the battery module again.
[0004] However, when polishing the aluminum row welded on the battery module, a large amount of metal debris is generated, and the debris is easily dropped into the battery pack, causing insulation failure in the battery pack and affecting the safety of the product. At the same time, it usually takes 3-6 hours to polish the aluminum row, and it takes a long time to assemble the battery module after the repair is completed. INVENTION CONTENTS
[0005] The utility model aims at providing a CCS assembly repair FPC assembly, which solves the problem that in the prior art, when any component in the CCS assembly has quality problems and needs to be repaired after the CCS assembly is assembled with the battery module, all aluminum rows on the battery module need to be milled and polished to be removed, a large amount of metal debris is generated during polishing, which falls into the battery pack and affects the safety of the product, and the repair time is long.
[0006] To achieve the above technical purpose, the utility model adopts the following technical scheme.
[0007] A CCS assembly repair FPC assembly, comprising an FPC circuit board and a plurality of nickel sheets connected to the edge of the FPC circuit board in the width direction and distributed along the length direction of the FPC circuit board, the nickel sheet is provided with an arch, the arch is used to avoid the welding point of the conductive row and the original FPC assembly.
[0008] Further, the arch on the nickel sheet is arranged close to one end of the nickel sheet connected to the conductive row.
[0009] Further, the protruding direction of the arch of the nickel sheet is away from the side connected to the conductive row.
[0010] Further, the arch on the nickel sheet is a U-shaped arch.
[0011] Further, the nickel sheet comprises a long strip body and a welding segment at the end of the long strip body, the welding segment extends perpendicularly to the long strip body, and the arch is arranged close to the welding segment.
[0012] Further, the nickel sheet is distributed in a staggered manner at the edge of the FPC circuit board in the width direction and on both sides of the FPC circuit board in the length direction.
[0013] With the above technical scheme, the CCS assembly repair FPC assembly is innovatively provided, and the CCS assembly repair FPC assembly of the utility model has the beneficial effects that when any component in the CCS assembly needs to be repaired due to quality problems after the CCS assembly and the battery module are assembled, only the nickel sheet and the aluminum row connected by the original FPC need to be cut or torn, or the FPC and the nickel sheet need to be cut or torn, the nickel sheet is welded to the aluminum row welded on the battery module through the arch arranged on the nickel sheet, so that the welding point of the nickel sheet connected to the aluminum row welded on the battery module on the original FPC assembly is avoided, milling and polishing operations are not needed, a large amount of metal debris is avoided from falling into the battery pack to affect the safety of the product, and the time required for CCS assembly repair can be greatly shortened. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a schematic view of one embodiment of the CCS assembly repair FPC assembly of the utility model.
[0015] Figure 2 It is a schematic view of one embodiment of the nickel sheet in the CCS assembly repair FPC assembly of the utility model.
[0016] Figure 3 It is a side view of one embodiment of the nickel sheet in the CCS assembly repair FPC assembly of the utility model.
[0017] In the figure: 1, arch; 2, nickel sheet; 3, welding segment; 4, FPC circuit board. DETAILED DESCRIPTION
[0018] The features and performances of the utility model are further described in detail in combination with the embodiments.
[0019] The FPC assembly for CCS module rework of this utility model includes an FPC circuit board and multiple nickel sheets connected at one end to the edge of the FPC circuit board in the width direction and distributed along the length direction of the FPC circuit board. The nickel sheets are provided with arches to avoid the solder joints connecting the aluminum busbars welded to the battery module and the nickel sheets on the original FPC assembly. This ensures that after the CCS assembly and battery module are assembled, when the CCS assembly needs to be reworked, the original FPC can be removed. The arched position of the nickel sheets in the FPC assembly for CCS module rework of this utility model can avoid the solder joints connecting the nickel sheets on the original FPC assembly and the aluminum busbars welded to the battery module. The CCS assembly can be reworked and assembled with the battery module without milling or grinding.
[0020] Based on the above concept, this utility model provides various embodiments of FPC components for CCS component rework for illustration.
[0021] In a basic embodiment, such as Figure 1 The CCS module rework FPC assembly shown includes an FPC circuit board 4 and multiple nickel sheets 2 connected at one end to the edge of the FPC circuit board 4 in the width direction and distributed along the length direction of the FPC circuit board 4. The nickel sheets 2 have arches 1, which are used to avoid the solder joints connecting the conductive busbars welded to the battery module and the nickel sheets on the original FPC assembly. After the CCS module and battery module are assembled, when the CCS module needs rework, it is only necessary to cut or tear the original FPC-connected nickel sheets and aluminum busbars, or to cut or tear the FPC and nickel sheets. Using the CCS module rework FPC assembly of this invention, the arches 1 on the nickel sheets 2 of the CCS module rework FPC assembly avoid the solder joints connecting the nickel sheets on the original FPC assembly and the conductive busbars welded to the battery module, thereby avoiding excessive metal debris generated from grinding the aluminum busbars, which could fall into the battery pack and cause insulation failure, affecting product safety. At the same time, it can further shorten the time required for the CCS module to be reworked and assembled with the battery module.
[0022] Based on the above embodiments, the shape of the arch 1 on the nickel sheet 2 can be arched or triangular, as long as the arch 1 can avoid the solder joints connecting the nickel sheet and the battery module on the original FPC assembly. In a preferred embodiment, such as Figures 2-3 As shown, the shape of the arch 1 of the nickel sheet 2 is U-shaped, and the position of the arch 1 is designed to avoid the solder joints of the conductive busbars that connect the nickel sheet and the battery module on the original FPC assembly. In addition, the arch of the nickel sheet can absorb the bumps of the power battery during the vehicle's operation, preventing the FPC from being driven and causing fatigue cracks in the FPC.
[0023] Based on the above embodiments, the nickel sheet 2 can be configured as an arch shape. In a preferred embodiment, such as...Figures 2-3 As shown, the nickel sheet 2 comprises a long strip-shaped sheet body and a welding segment 3 at the end of the long strip-shaped sheet body, the welding segment 3 extends perpendicularly to the long strip-shaped sheet body, and the arch 1 is arranged close to the welding segment, so that the welding surface of the nickel sheet 2 and the conductive row is larger, and the welding is more reliable.
[0024] The FPC assembly for CCS assembly repair of the utility model is used on the CCS assembly after repair, a laser welding device is used to weld the nickel sheet 2 and the aluminum row welded on the battery module, the arch 1 on the nickel sheet 2 can avoid the welding point of the nickel sheet on the original FPC assembly and the conductive row connected with the battery module, the assembly can be completed without polishing the aluminum row on the battery module, a large amount of metal chips generated by polishing is prevented from falling into the battery pack to cause great safety hazards, meanwhile, the time for assembling the CCS assembly after repair and the battery module can be saved by 70%, and the cost can be reduced by 50%.
[0025] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, the patent protection scope of the utility model is subject to the claims, and equivalent structural changes made by applying the contents of the specification and drawings of the utility model should also be included in the protection scope of the utility model.
Claims
1. An FPC assembly for repair of a CCS assembly, characterized by, The FPC circuit board and a plurality of nickel sheets connected to the edge of the FPC circuit board in the width direction and distributed along the length direction of the FPC circuit board, wherein the nickel sheets are provided with arches for avoiding the solder joints between the conductive rows and the nickel sheets of the original FPC assembly.
2. The FPC assembly for CCS assembly repair according to claim 1, wherein, The arches on the nickel sheets are located at the end close to the connection of the nickel sheets and the conductive rows.
3. The FPC assembly for CCS assembly repair according to claim 1, wherein, The protruding direction of the arches of the nickel sheets is away from the side close to the connection of the nickel sheets and the conductive rows.
4. The FPC assembly for CCS assembly repair according to any one of claims 1 to 3, characterized in that, The arches on the nickel sheets are U-shaped arches.
5. The FPC assembly for CCS assembly rework according to claim 4, wherein, The nickel sheets comprise long strip bodies and soldering sections at the ends of the long strip bodies, the soldering sections extend perpendicularly to the long strip bodies, and the arches are located close to the soldering sections.
6. The FPC assembly for CCS assembly rework according to claim 5, wherein, The nickel sheets are distributed in a staggered manner on both sides of the edge of the FPC circuit board in the width direction and along the length direction of the FPC circuit board.