As we all know, a car will always encounter a variety of different road conditions while travelling. For example, ramps, speed bumps, potholes ......
Therefore, the car body will inevitably generate vibration. As there are battery packs and all kinds of electrical components inside the new energy vehicle, these vibrations are reflected inside the new energy vehicle, which may cause some damage to the battery cell and other electrical components.
In order to protect, offset the new energy vehicles in the driving process caused by the loss, so the major manufacturers will generally require new energy vehicles to use flexible structure of the copper row, which is often referred to as the laminated soft copper row.
So what is laminated soft copper row? From the appearance, it is made of multiple strips of copper foil or copper sheet, layer by layer stacked up, and then stacked multiple copper foil and copper sheet, the use of polymer diffusion welding machine on both ends of the pressure welding. In this way, the ends of the copper row form a hard structure, while the middle remains a soft connection, the soft connection part can be bent arbitrarily.
In the early days, stacked copper rows are usually used in the distribution box relay and fuse connection, and then because of the stacked copper rows in the middle of the soft connection can effectively offset the car driving process due to vibration brought about by the adverse effects of the car driving safer, so it has been gradually promoted and applied to new energy vehicles, widely acclaimed by the OEMs.
Below, let us understand the difference between new energy vehicles and traditional copper row. In summary, the core difference between the two is the use of different environments and performance requirements.
1, the use of the environment: new energy vehicles copper row is mainly used for electric vehicle battery packs, motor controllers, etc., while the traditional copper row is mainly used for general power equipment, such as power distribution cabinets, switchgear, etc..
2, the use of performance: new energy vehicle copper rows need to have good electrical conductivity, thermal conductivity, corrosion resistance and a certain degree of bending, mechanical strength, in order to meet the electric vehicle in high current, high pressure, high temperature and other harsh environments. The performance requirements of traditional copper rows are relatively low.
3, manufacturing process: new energy vehicle copper row due to its special use of the environment and performance requirements, the manufacturing process is also different. For example, new energy vehicle copper row usually need to be manufactured through high-precision cutting, bending, stamping and other processes to ensure its accuracy and quality. While the manufacturing process of traditional copper row is relatively simple.
4, the choice of raw materials: new energy vehicle copper row usually choose high purity, high conductivity of copper raw materials to meet the requirements of its high-performance use. The traditional copper row of raw material selection is relatively flexible, according to the actual need to choose different copper materials.
In general, the main difference between the new energy automotive copper row and the traditional copper row is its use of the environment and performance requirements, which also determines its manufacturing process and the choice of materials on the different.
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