What are the structural components and functions of Cable Assembly?

October 23, 2024

A Cable Assembly is an electrical connection assembly widely used for power transmission, signaling and data transmission. Its main structural components include a cable core, insulation, and protective layers, twisted into a common pattern with multiple wires. For different types of cables, there may be different designs and combinations of cores, insulation or protective layers.

The core is the main part of the cable assembly, and its function is to transmit electrical energy or signals by conducting electrical currents. For cable varieties, such as low and medium voltage cables and high voltage cables, the type and number of cores are determined by the need for different characteristics. For example, rubber-plastic insulated power cables are more commonly used, while cross-linked polyethylene insulated PVC sheathed power cables and self-capacitating oil-filled high-voltage cables are used for higher voltages.

Insulation is the part of the cable assembly used to protect the cable core from current leakage and electric shock. The material and thickness of the insulation will be selected according to the voltage level of the cable and the environment in which it will be used. For example, in new energy automobile power cables, the insulation layer needs to be selected taking into account its advantages of occupying less space and being less affected by external influences.

The protective layer is the part of the Cable Assembly used to protect the insulation layer and the cable core, which can prevent the cable from mechanical damage and chemical corrosion. The material and thickness of the protective layer will also be selected according to the environment and service life of the cable. For example, in multi-core cables in electronic products, the selection of the protective layer needs to take into account its application in connecting various functional modules, transmitting signals, power supply and data transmission.

The role of Cable Assembly is to transmit electrical energy or signals from one place to another and at the same time to protect the cable core and insulation from damage. The selection and use of Cable Assembly needs to be determined according to specific application scenarios and needs, for example, in new energy vehicle power cables, the selection of Cable Assembly needs to take into account its needs in distributing and transmitting electrical energy.

Author:

Ms. Zhong

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