Multifunctional CCS integrated busbar for buffer anti-collision power battery

Abstract

A kind of buffer crash-proof multifunctional CCS integrated busbar for power battery, it includes PCB acquisition component, conducting plate, two respectively set in the insulating film of PCB acquisition component both sides, and at least one buffer piece set in the side of PCB acquisition component towards conducting plate.The PCB acquisition component includes a PCB flat cable plate, and a plurality of nickel sheets set on the PCB flat cable plate.The nickel sheet and the conducting plate are connected and fixed by laser welding.The insulating film includes a plurality of avoidance holes for avoiding the welding area of the nickel sheet and the conducting plate.The insulating film reduces the material consumption of manufacturing the insulating film while ensuring the insulation performance of the PCB acquisition component, saves manufacturing cost.The buffer piece is made of elastic material and always abuts against the PCB acquisition component to absorb the vibration amount when vibration occurs during driving to ensure that the busbar is in a stable running state, improve its running stability and safety.

Description

Technical Field

[0001] This utility model belongs to the field of energy and power battery technology, and in particular, it is a multifunctional CCS integrated busbar for power batteries that provides cushioning and impact protection. Background Technology

[0002] With the depletion of non-renewable energy sources, especially the continuous use of petroleum resources, the electric vehicle industry, powered by emerging renewable resources, has emerged as a new industry. The market for electric vehicle battery packs is enormous, and related technologies are developing rapidly.

[0003] Existing integrated busbars for power batteries, once installed in automobiles, are prone to vibrations due to varying road conditions, affecting their operational stability and safety. Furthermore, the unnecessary complete coverage of the busbar surface by the insulating films on both sides leads to unnecessary resource waste.

[0004] For example, in the utility model patent with publication number CN221427949U, the integrated busbar is installed on the vehicle frame, which is prone to vibration and bumps during vehicle operation, affecting the stability and safety of the integrated busbar operation. Summary of the Invention

[0005] In view of this, the present invention provides a multifunctional CCS integrated busbar for power batteries with buffer and anti-collision features to solve the above problems.

[0006] A multifunctional CCS integrated busbar for power batteries, designed for cushioning and collision avoidance, is installed on an electric vehicle. It includes a PCB acquisition assembly, a set of conductive plates disposed on the side of the PCB acquisition assembly, two insulating films disposed on opposite sides of the PCB acquisition assembly, and at least one buffer member disposed on the side of the PCB acquisition assembly facing the conductive plates. The PCB acquisition assembly includes a PCB ribbon board and multiple nickel plates disposed on the PCB ribbon board. Each nickel plate is located between the PCB ribbon board and the nickel plate. One end of each nickel plate is connected to the PCB ribbon board, and the other end is connected to the conductive plate. The nickel plate and the conductive plate are fixed together by laser welding. The insulating films have multiple clearance holes to avoid the welding areas of the nickel plates and the conductive plates. These clearance holes also reduce material consumption during the fabrication of the insulating film. The buffer member is made of an elastic material and is located between the vehicle and the PCB acquisition assembly, constantly abutting against the PCB acquisition assembly to absorb relative displacement vibrations between the vehicle and the PCB acquisition assembly during vehicle operation.

[0007] Furthermore, the PCB acquisition component preferably includes at least one connector disposed on the PCB ribbon cable, multiple thermistors disposed on each of the nickel plates, and multiple voltage acquisition circuits disposed on the PCB ribbon cable.

[0008] Furthermore, the connector is used to transmit current and signals in the circuit.

[0009] Furthermore, the thermistor is located between the nickel sheet and the PCB board, and is used to collect temperature signals within the PCB board.

[0010] Furthermore, the voltage acquisition circuit is used to acquire voltage signals within the PCB board, and each voltage acquisition circuit is also equipped with a fuse for circuit protection.

[0011] Furthermore, the conductive plate includes a conductive input plate, a conductive output plate, and a plurality of conductive adapter plates located between the conductive input plate and the conductive output plate, and the conductive plate is made of aluminum foil material.

[0012] Furthermore, the conductive input board, the conductive output board, and the conductive adapter board are connected by a nickel sheet.

[0013] Furthermore, the insulating film includes an insulating substrate, and the clearance hole is formed on the insulating substrate.

[0014] Furthermore, the insulating substrate is made of a flexible material.

[0015] Compared with existing technologies, the multifunctional CCS integrated busbar for power batteries provided by this utility model avoids the laser welding area between the conductive plate and the nickel sheet by setting clearance holes on the insulating film. This reduces material consumption during the fabrication of the insulating film while ensuring the overall connection strength of the product and achieving the insulation performance of the PCB acquisition component, thus saving production costs and improving the company's economic efficiency. Furthermore, multiple buffer components made of elastic material are installed between the PCB acquisition component and the vehicle frame. These buffer components are located between the PCB acquisition component and the vehicle frame and are constantly in contact with the PCB buffer component. During vehicle operation, they absorb the relative displacement vibration between the vehicle and the PCB acquisition component, ensuring the CCS integrated busbar operates smoothly and guaranteeing its stability and safety. Attached Figure Description

[0016] Figure 1 A schematic diagram of the structure of the multifunctional CCS integrated busbar for buffering and anti-collision power batteries provided by this utility model.

[0017] Figure 2 for Figure 1 An exploded view of the multi-functional CCS integrated busbar for the power battery, designed for cushioning and collision protection.

[0018] Figure 3 for Figure 2 A partially enlarged structural diagram of the multi-functional CCS integrated busbar at point A, which serves as a buffer against impacts and collisions for the power battery. Detailed Implementation

[0019] The specific embodiments of this utility model are described in further detail below. It should be understood that the description of the embodiments of this utility model herein is not intended to limit the scope of protection of this utility model.

[0020] like Figure 1 and Figure 2 The diagram shows a structural schematic of a multifunctional CCS integrated busbar for a power battery with shock absorption and anti-collision features, provided by this utility model. The multifunctional CCS integrated busbar for a power battery with shock absorption and anti-collision features includes a PCB acquisition component 10, a set of conductive plates 20 disposed on the side of the PCB acquisition component 10, two insulating films 30 respectively disposed on both sides of the PCB acquisition component 10, and at least one buffer member 40 disposed on the side of the PCB acquisition component 10 facing the conductive plates 20. The multifunctional CCS integrated busbar for a power battery with shock absorption and anti-collision features also includes other functional modules, such as assembly components, etc., which should be known to those skilled in the art and will not be described in detail here.

[0021] like Figure 2 As shown, the PCB acquisition component 10 includes a PCB board 11, at least one connector 12 disposed on the PCB board 11, a plurality of nickel plates 13 disposed on the PCB board 11, a plurality of thermistors 14 disposed on each of the nickel plates 13, and a plurality of voltage acquisition circuits 15 disposed on the PCB board 11.

[0022] The PCB board 11 is used to carry the connector 12, the nickel strip 13, the thermistor 14, and the voltage acquisition circuit 15. The PCB board 11 is a substrate for carrying electronic components, and the circuit connection is formed by etching copper wires on insulating material. This should be considered prior art and will not be described in detail here.

[0023] The connector 12 is used to transmit current and signals in the circuit, and its specific functions will be described below in conjunction with the thermistor 14 and the voltage acquisition circuit 15.

[0024] Multiple nickel plates 13 are disposed on both sides of the PCB ribbon cable board, and each nickel plate 13 is connected to the conductive plate 20. The nickel plate 13 is located between the PCB ribbon cable board 11 and the conductive plate 20, with one end connected to the PCB ribbon cable board 11 and the other end connected to the conductive plate 20, thereby realizing the electrical connection between the PCB ribbon cable board 11 and the conductive plate 20. An inverted V-shaped groove may also be provided in the middle of the nickel plate 13 to ensure that the PCB ribbon cable board and the conductive plate 20 connected to both ends of the nickel plate 13 are on the same horizontal plane.

[0025] like Figure 3 As shown, the thermistor 14 is located between the nickel plate 13 and the PCB cable board 11. The thermistor 14 is used to collect temperature signals within the PCB cable board 11 and transmits the signals to an external battery management system (not shown) via the connector 12. The thermistor 14 is a sensor resistor whose resistance value changes with temperature, which should be well known to those skilled in the art.

[0026] The voltage acquisition circuit 15 is used to acquire the voltage signal within the PCB cable board 11, and transmits the signal to the connector 12 via the nickel strip 13. The connector 12 then aggregates the signal and sends it to an external battery management system (not shown). It is easy to see that the voltage acquisition circuit 15 also includes a fuse (not shown), which protects the circuit system in the event of a short circuit caused by an operational malfunction in the PCB acquisition assembly 10.

[0027] like Figure 2 As shown, the conductive plate 20 includes a conductive input plate 21, a conductive input plate 22, and a plurality of conductive transfer plates 23 located between the conductive input plate 21 and the conductive output plate 22. The conductive input plate 21, the conductive output plate 22, and the conductive transfer plates 23 are all made of aluminum foil.

[0028] The conductive input, output, and transfer plates 21, 22, and 23 are connected by the nickel sheet 13. Specifically, the nickel sheet 13 can be fixed to the conductive component 20 by laser welding. The current in the circuit flows into the conductive input plate 21, passes through the multiple conductive transfer plates 23, and then flows out from the conductive output plate 22.

[0029] like Figure 2 As shown, the insulating film 30 is used to cover both sides of the PCB acquisition assembly 10 to ensure the insulation performance of the PCB acquisition assembly 10. The insulating film 30 includes an insulating substrate 31 and a plurality of clearance holes 32 located on the insulating substrate 31.

[0030] The insulating substrate 31 can be made of materials with good flexibility such as polyimide and polytetrafluoroethylene, so that the insulating substrate 31 can better fit the surface of the PCB acquisition component 10 during hot pressing.

[0031] The clearance hole 32 is used to avoid the laser welding area between the conductive plate 20 and the nickel sheet 13 to facilitate welding. Simultaneously, the design of the clearance hole 32 reduces the material consumption during the fabrication of the insulating film 30, saving production costs and improving the company's economic efficiency. The clearance hole 32 can be set according to the welding shape between the conductive plate 20 and the nickel sheet 13, and can be a rectangular through hole, a circular through hole, etc. Its specific shape and size are not limited here.

[0032] It is not difficult to imagine that the multifunctional CCS integrated busbar for power batteries described in this utility model can be used in electric vehicles to intelligently manage and control the batteries of electric vehicles.

[0033] like Figure 2 As shown, the buffer 40 is located between the PCB acquisition assembly 10 and the vehicle frame (not shown). The buffer 40 is used to reduce the vibration of the PCB acquisition assembly 10 during vehicle operation, ensuring the stable and safe operation of the multi-functional CCS integrated busbar for the power battery. Specifically, the buffer 40 can be made of elastic materials such as sponge. When the vehicle bumps during operation, the buffer 40 can constantly press against the multi-functional CCS integrated busbar for the power battery and absorb the relative displacement vibration between the vehicle and the integrated busbar, ensuring that the integrated busbar operates smoothly, thereby improving its operational stability and safety. The number of buffers 40 can be set according to actual needs to ensure that the integrated busbar is protected. In this embodiment, there are two buffers 40.

[0034] Compared with existing technologies, the multifunctional CCS integrated busbar for power batteries provided by this utility model avoids the laser welding area between the conductive plate 20 and the nickel sheet by setting avoidance holes 32 on the insulating film 30. This reduces material consumption when manufacturing the insulating film 30 while ensuring the overall connection strength of the product and achieving the insulation performance of the PCB acquisition component 10, thus saving production costs and improving the economic benefits of enterprises. Furthermore, multiple buffers 40 made of elastic material are set between the PCB acquisition component 10 and the vehicle frame. These buffers 40 are located between the PCB acquisition component 10 and the vehicle frame and are constantly in contact with the PCB buffer component. During vehicle operation, they absorb the relative displacement vibration between the vehicle and the PCB acquisition component 10, ensuring that the CCS integrated busbar operates smoothly and improving its operational stability and safety.

[0035] The above are merely preferred embodiments of the present utility model and are not intended to limit the scope of protection of the present utility model. Any modifications, equivalent substitutions or improvements within the spirit of the present utility model are covered within the scope of the claims of the present utility model.

Claims

1. A multi-functional CCS integrated busbar for a power battery with shock absorption and anti-collision function, which is installed on an electric vehicle, characterized in that: The multi-functional CCS integrated busbar for the power battery used in the buffer and anti-collision system includes a PCB acquisition assembly, a set of conductive plates disposed on the side of the PCB acquisition assembly, two insulating films disposed on both sides of the PCB acquisition assembly, and at least one buffer member disposed on the side of the PCB acquisition assembly facing the conductive plates. The PCB acquisition assembly includes a PCB ribbon board and multiple nickel plates disposed on the PCB ribbon board. Each nickel plate is located between the PCB ribbon board and the nickel plate. One end of the nickel plate is connected to the PCB ribbon board, and the other end is connected to the conductive plate. The nickel plate and the conductive plate are connected and fixed by laser welding. The insulating film has multiple clearance holes to avoid the welding area between the nickel plate and the conductive plate. The clearance holes can also be used to reduce material consumption when manufacturing the insulating film. The buffer member is made of elastic material. The buffer member is located between the vehicle and the PCB acquisition assembly and is always against the PCB acquisition assembly to absorb the relative displacement vibration of the vehicle and the PCB acquisition assembly during vehicle operation.

2. The multi-functional CCS integrated busbar for buffering and shockproof power batteries as described in claim 1, characterized in that: The PCB acquisition component preferably includes at least one connector disposed on the PCB ribbon board, multiple thermistors disposed on each of the nickel plates, and multiple voltage acquisition circuits disposed on the PCB ribbon board.

3. The multifunctional CCS integrated busbar for buffering and shockproof power batteries as described in claim 2, characterized in that: The connector is used to transmit current and signals in the circuit.

4. The multi-functional CCS integrated busbar for buffering and anti-collision power batteries as described in claim 2, characterized in that: The thermistor is located between the nickel sheet and the PCB board, and is used to collect temperature signals within the PCB board.

5. The multifunctional CCS integrated busbar for buffering and shockproof power batteries as described in claim 2, characterized in that: The voltage acquisition circuit is used to acquire the voltage signal inside the PCB cable board, and each voltage acquisition circuit is also equipped with a fuse for circuit protection.

6. The multi-functional CCS integrated busbar for buffering and shockproof power batteries as described in claim 1, characterized in that: The conductive plate includes a conductive input plate, a conductive output plate, and multiple conductive adapter plates located between the conductive input plate and the conductive output plate. The conductive plate is made of aluminum foil material.

7. The multi-functional CCS integrated busbar for buffering and shockproof power batteries as described in claim 6, characterized in that: The conductive input board, the conductive output board, and the conductive adapter board are connected by a nickel sheet.

8. The multifunctional CCS integrated busbar for buffering and shockproof power batteries as described in claim 7, characterized in that: The insulating film includes an insulating substrate, and the clearance hole is formed on the insulating substrate.

9. The multifunctional CCS integrated busbar for buffering and anti-collision power batteries as described in claim 8, characterized in that: The insulating substrate is made of a flexible material.

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