Liquid cooled charging cable and electric vehicle quick charging device

Abstract

The invention discloses a liquid cooling charging cable and an electric vehicle quick charging device, comprising a protective layer, wherein a cavity is arranged in the protective layer along the extending direction, and the cavity is filled with a phase change material; A plurality of supports are arranged in the protective layer, A plurality of receiving bayonets are arranged on each bracket, As each cable core is accommodate and secured, and a cooling water pipe is arranged at the center of the bracket, the cooling water pipe comprises an inlet pipe and a plurality of return pipes, At thatoutlet of the return water pipe, a temperature measuring element is arrange, and a gap between the support, the cooling water pipe and each cable core is filled with a heat conductive material; the temperature of the charging cable is monitored, the flow rate or / and the flow rate of the cooling liquid in the cooling water pipe are controlled, and the active cooling under different charging conditions is realized.

Description

technical field [0001] The invention relates to a liquid cooling charging cable and fast charging equipment for electric vehicles. Background technique [0002] Electric vehicles have the advantages of zero emissions, low energy consumption, low vibration and noise, and are more friendly to the ecological environment. They have achieved rapid development in recent years. With the improvement of people's requirements for the comprehensive performance of electric vehicles, fast charging has become a key technology that electric vehicles need to develop urgently, so as to save drivers' waiting time at charging stations and improve the experience of using electric vehicles. However, the charging cables of electric vehicles usually use copper as the power transmission material. Although its resistance is small, as the charging current increases, the Joule heat generated will still increase significantly. If the heat cannot be quickly dissipated, the cable may be damaged. If the ...

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Problems solved by technology

[0003] The existing literature has also improved various technical means to address the above problems, but there are certain shortcomings. For example, the Chinese patent "A Charging Pile Cable" with the announcement number CN206864235U discloses a protective frame that runs through the cable for fixing The position of each internal cable core improves the bending resistance of the cable, but the heat generated by the cable cannot be dissipated when the charging current is high, so it is difficult to apply to the electric vehicle fast charging pile with fast charging and high-frequency charging requirements

[0004] The Chinese patent "Charging Pile Cable", the notification number is CN206331828U, the document uses the armor layer to increase the mechanical properties of the cable, but the inner cable cores are tightly arranged, which is easy to cause heat accumulation during fast charging, and the insulation of the power cable core If the layer is damaged, it will cause a short circuit and even cause a fire

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