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Sheath layer of DC charging pile cable

The sheath layer of DC charging pile cable is the outermost part of the cable, which is crucial to the protection of the cable. The following is an introduction to the concept, role and working principle of the sheath layer:

Main component

concept

The sheath layer is the outermost layer of the DC charging pile cable. Its main function is to protect the internal insulation layer and conductor from external environmental damage, such as physical damage, chemical corrosion, and ultraviolet radiation. The sheath layer is usually made of materials that are resistant to wear, high temperature and oil corrosion to ensure the durability and safety of the cable in a variety of environments.

Function

Protection: The sheath layer protects the cable from external physical damage, such as friction, impact, etc., but also prevents the conductor and insulation layer inside the cable from being affected by environmental factors, such as moisture and chemical erosion.

Environmental resistance: The sheath layer needs to have characteristics such as ultraviolet resistance and low temperature resistance to adapt to the use requirements of different geographical and climatic conditions.

Chemical resistance: Acid and alkali liquids may be exposed during the charging process, and the sheath layer needs to have excellent chemical resistance.

Flame retardant and environmental protection: The sheath layer material needs to have certain high temperature resistance, aging resistance, and has the characteristics of halogen-free flame retardant and low smoke density when burning to reduce the impact on the environment.

Mechanical strength: The sheath layer needs to have sufficient mechanical strength to resist stretching and compression to ensure the stability and safety of the cable during use.

Working principle

Isolation and protection: The sheath layer isolates the conductor and insulation of the cable from the external environment, preventing moisture and corrosive substances from invading the interior of the cable, thereby protecting the electrical performance of the cable and extending the service life.

Wear and oil resistance: The material of the sheath layer needs to have good wear resistance and oil resistance to adapt to the mechanical stress of the charging pile cable in the process of dragging, twisting, bending and so on. Weather resistance: The sheath layer needs to be able to withstand the influence of natural conditions such as sunlight and temperature changes to maintain the stable performance of the cable.

Tear resistance: The jacket layer needs to have a high tear strength to prevent the jacket layer from cracking due to external force during use.

Halogen-free flame retardant: In the event of an emergency such as fire, the halogen-free flame retardant properties of the sheath can slow the spread of the fire, reduce the production of toxic smoke, and improve safety.


In summary, the sheath layer of DC charging pile cable is an important part of the cable, which ensures the safety and reliability of the cable by providing physical protection and chemical stability.

DC CHARGING PIlE SERIES

DC charging pile is an efficient charging facility for electric vehicles, which uses direct current (DC) to directly charge the vehicle battery, significantly reducing the charging time. Compared with traditional AC charging piles, DC charging piles are able to provide higher power output and can usually charge an EV to 80% of its capacity in 30 minutes, providing users with a convenient charging experience.

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