The electric vehicle industry is developing rapidly, and the supporting industry charging piles have been developed, and the charging problem has always been a problem that people pay more attention to. The quality of the charging pile charging cable also plays a pivotal role, which is related to the safety of charging.
EV charging cables not only play the role of information transmission, but also control the charging action when necessary. In addition to good insulation performance, due to the complexity of the use environment, they usually also need to have good aging resistance, heat resistance, Oil resistance, weather resistance and other properties.
1. Environmental requirements for EV charging cables
Natural environment: EV charging cables are usually exposed to the outdoors for a long time, in harsh environments such as sunlight, humidity, and freezing, so the cables are required to have UV resistance, low temperature resistance and other properties. The global scope is wide and needs to meet the usage requirements of different geographical conditions.
Man-made environment: During the charging process, phenomena such as dragging, twisting, bending, and stretching will inevitably occur, which may easily cause mechanical damage. Therefore, it is necessary to reduce the bending stress and increase the flexibility of the cable. It may also be corroded by acid and alkali liquids during use, so it needs to have excellent chemical resistance.
2. Function usage requirements
Electric vehicle charging cables need to have communication capabilities and, when necessary, automatically control the charging process.
3. Security Requirements
Electric vehicles have a short charging time, high current intensity, and high frequency of use, ensuring good insulation. At the same time, the material also requires a certain high temperature resistance, aging resistance, and halogen-free flame retardant and low smoke density when burning.
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