How to Ensure the Safety of Electric Vehicle Cables?

How to Ensure the Safety of Electric Vehicle Cables?

Electric vehicles are vehicles that use a motor to drive the wheels, powered by an on-board power source, and meet various requirements of road traffic and safety regulations. Due to their relatively smaller environmental impact compared to traditional vehicles, their prospects are widely expected.

Introduction of electric vehicle cables

The electric vehicle charging system uses cables to connect the electric vehicle to the power source for charging. The electric vehicle cable is one of the key equipment of the electric vehicle conduction system, and the performance of this type of product will directly affect the safe and reliable operation of the electric vehicle. Safety has always been the focus of the industry for electric vehicles, with high attention paid to its safety. In addition to ensuring excellent insulation performance, electric vehicle cables should also have high resistance to aging and heat, and good low-smoke flame-retardant performance to reduce the occurrence of injuries and losses in accidents.

Modes of use of electric vehicle cables

Generally, there are two modes of use for electric vehicle cables: one is placed on the vehicle and used with the vehicle in different environments; the other is placed in public places such as roads, shopping malls, and parking lots. Regardless of which mode it is used in, the electric vehicle cable may be affected by adverse conditions such as sunlight, weathering, oil stains, and moisture. During use, it may also be bent and dragged frequently, resulting in cable scratches, wear, and crushing. This inevitably requires higher flexibility, bending and mechanical properties for the cable.

Reliability testing of electric vehicle cables

Therefore, it is very necessary to conduct reliable testing on the materials of electric vehicle cables. Someone may ask what is reliability testing? Scientifically, it refers to the testing of products to complete the specified functions under specified conditions and within specified time. Through reliability testing, product characteristics under various environmental conditions when working or storing electronic products can be determined, which provides useful data for design, production, and use. It can also expose problems in design, raw materials, and manufacturing processes. High and low temperature shock tests are accelerated tests that can be used as a basis or reference for product improvement. The principle is that when the temperature changes sharply, alternating stress is caused due to the thermal expansion and contraction effect, resulting in phenomena such as material cracking, poor contact, and performance changes. The test is suitable for materials such as metals, plastics, rubber, and electronics, and is a must-test item for product reliability.

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