A charging gun capable of self-adjusting charging current

Abstract

The invention discloses a charging gun capable of self-adjusting magnitude of charging current. The charging gun comprises a charging gun head and a charging assembly arranged in the charging gun head. A shell is fixedly connected on the inner wall of the charging gun head. A seal cover is connected on the shell in a threaded way. A groove is arranged in the inner bottom of the shell. A heat conducting sheet connected with the charging assembly is embedded in the inner wall of the charging gun head. A memory metal member is fixedly connected on the heat conducting sheet. The memory metal member is twisted into a twisted shape at normal temperature and is in a sheet shape when the temperature exceeds the metamorphosis temperature. The shell is internally provided with a conductive disk at the axial center. A rectangular groove is arranged on the lower end of the conductive disk. The memory metal member is welded by multiple memory metal pieces with different metamorphosis temperatures,the conductive disk can be driven to rotate through the memory metal pieces at different temperatures, and the magnitude of the charging current can be self-adjusted according to the charging temperature so that the power consumption is more scientific, the energy consumption is lower, and the charging gun further conforms to the standards of modern environmental protection and energy conservation.

Description

technical field [0001] The invention relates to the technical field of new energy vehicle charging, in particular to a charging gun capable of self-adjusting the charging current. Background technique [0002] The market demand for electric vehicles such as pure electric vehicles and hybrid electric vehicles continues to expand, which in turn leads to an increasing demand for charging guns. When the existing charging gun is connected to the electric vehicle for charging, the gun head of the charging gun needs to be plugged into the charging interface of the charging car, and at this time, the plug-in terminal in the gun head is connected to the docking terminal of the electric vehicle for charging. [0003] However, when the plug-in terminal in the charging gun head is connected to the docking terminal of the electric vehicle, it will generate heat. This heat will cause the temperature of the charging gun to rise. The heat dissipation of the special material of the new energ...

AI Technical Summary

Problems solved by technology

[0003] However, when the plug-in terminal in the charging gun head is connected to the docking terminal of the electric vehicle, it will generate heat. This heat will cause the temperature of the charging gun to rise. The heat dissipation of the special material of the new energy vehicle charging interface battery is insufficient or the charging interface The thermal management chip also cannot cool down through intelligent adjustment, and there is a potential safety hazard in charging

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