Flexible cable used for new energy automobile

Abstract

The invention discloses a flexible cable used for a new energy automobile. The cable comprises a conductor and an insulation layer used for wrapping the conductor. The outer part of the insulation layer is provided with a cooling layer in a wrapped manner, and at least one cooling medium channel extended along the length direction of the insulation layer is disposed in the cooling layer, and is used to introduce the cooling medium for the cooling and the heat dissipation of the insulation layer. Heat energy radiated by the insulation layer outwardly is effectively, reliably, quickly, and greatly eliminated by the cooling medium, and then the heat energy radiated on the outer part of the cooling layer is reasonable, controllable, and safe, and then the special use requirement of the new energy automobile is satisfied. The flexible cable is in service and operated reliably, safely, and stably in various severe environments, and has advantages of simple structure, convenient forming, small forming difficulty, low forming costs, compact structure, good flexibility, excellent heat dissipation effect, high flame resistant performance, high reliability, good safety performance, and strong practicability.

Description

technical field [0001] The invention relates to cables, in particular to a flexible cable for new energy vehicles, especially a high-voltage flexible cable for new energy vehicles. Background technique [0002] As a new energy vehicle, rechargeable vehicles have unparalleled energy-saving advantages compared to traditional fuel vehicles, and are the general trend of future vehicle development. In recent years, new energy charging vehicles have developed rapidly and have a high market penetration rate. [0003] Although new energy charging vehicles have many advantages in terms of energy saving, the main technical bottleneck restricting their promotion and development is how to ensure the reliability and stability of their power source operation. To improve the reliability and stability of the power source operation of new energy charging vehicles, new energy charging vehicles must have large-capacity batteries, high-voltage motors and controllers and other electrical equipm...

AI Technical Summary

Problems solved by technology

However, such self-cooling cables not only have technical problems such as large cross-section, large structural volume, difficult processing, many conductor consumables, and high processing costs, they are not suitable for new energy charging vehicles with compact storage spaces; moreover, they can only pass through The hollow metal tube dissipates heat from the conductor in the center of the conductor, which cannot directly, effectively and reliably dissipate the heat directly radiated by the conductor on the insulating layer. However, the temperature of the insulating layer radiation acting on the protective layer (or sheath layer) is still relatively high. It can be seen that the heat dissipation and self-cooling effects of these technologies are limited, and the reliability and practicability are relatively insufficient.

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