Automotive wiring harness is the bridge and link that connects automotive electrical components and the nervous system of automotive power and signal transmission and distribution. The high-voltage wiring harness can be configured according to different voltage levels to connect the internal and external wiring harnesses of electric vehicles. It is mainly used to distribute wire harness signals inside the distribution box, transmit power efficiently and with high quality, and shield external signal interference. The high-voltage connection system consists of high-voltage wire harnesses and connectors. DC/DC, water heating PTC chargers, air heaters, DC charging ports, power motors, high-voltage wire harnesses, maintenance switches, inverters, power batteries, high-voltage boxes, power air conditioners, AC charging ports, etc. all require connectors; high-voltage wires The beam is the neural network of the high-voltage system of new energy vehicles and is very important.
We all know new energy electric vehicles in our daily life, and in electric vehicles, the high-voltage electrical system is mainly responsible for starting, driving, charging and discharging, air conditioning power, etc. The automobile wiring harness is the network main body of the automobile circuit and the carrier for the existence of the automobile circuit.
It also mainly includes battery systems, powertrains, high-voltage electronic control systems, charging systems, high-voltage equipment and their wiring harness systems. Electric vehicle high-voltage lines are used to connect the charging port and battery, battery interior, battery and engine and other components, as well as battery energy storage equipment, as a carrier of power transmission. Due to the harsh application environment in the vehicle, electric vehicle high-voltage cables have very high performance requirements. Application characteristics of electric vehicle cables: small wiring space, high current and high voltage, poor heat dissipation in high and low temperature environments, harsh vehicle driving environments with salt spray and electromagnetic fields, oil pollution and chemicals, low smoke, halogen-free flame retardant and other environmental and safety requirements.
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