New energy automobile power battery charging protection device

Abstract

The invention discloses a new energy automobile power battery charging protection device which comprises a mounting base, a driving motor, a storage battery, a charging plug and a battery cell, an automobile body shell is fixedly mounted on the outer side wall of the mounting base, a mounting box is fixedly connected to the outer side wall of the mounting base through screws, and a cooling cavity is formed in the mounting box; a mounting groove is formed in the outer side wall of the mounting box, a fixing box is fixedly connected to the inner side wall of the mounting groove, the driving motor is fixedly mounted on the inner side wall of the fixing box, a fan is fixedly connected to the tail end of an output shaft of the driving motor, and the storage battery is fixedly mounted in the mounting box. Sulfur hexafluoride enters a connecting pipeline through a discharge pipe, the sulfur hexafluoride can play a role in insulation protection, the charging plug is prevented from forming a loop with the outside to continue discharging, and therefore rapid power-off of electric leakage and short circuit phenomena in the charging process of the new energy vehicle is achieved, manual operation is not needed, and the operation is safer and more convenient to use.

Description

technical field [0001] The invention relates to the technical field of new energy vehicle charging, in particular to a new energy vehicle power battery charging protection device. Background technique [0002] New energy vehicles refer to the use of unconventional vehicle fuels as power sources (or the use of conventional vehicle fuels, the use of new vehicle power devices), integrated vehicle power control and advanced technology in driving, the formation of advanced technical principles, with Automobiles with new technology and new structure. [0003] After searching, the utility model patent with the Chinese patent No. CN211000990U discloses a lithium battery charging protection device for new energy vehicles, which includes a mounting frame with a hollow structure, and a lithium battery is arranged in the mounting frame, and the side wall of the lithium battery is surrounded by A cooling mechanism is provided, and a fan heat dissipation mechanism is provided on the fron...

AI Technical Summary

Problems solved by technology

[0004] However, the above-mentioned device can only issue an alarm when the temperature is too high, but cannot disconnect the power supply in time. If no one hears the alarm sound when charging, it will cause serious heat accumulation inside the power supply, and then greatly reduce the life of the battery. Spontaneous combustion may even cause a large amount of economic losses. When a short circuit occurs between the charger and the battery inside the car, the current generated by the short circuit will emit a lot of heat, causing serious damage to the charger and the battery. The generated current may also Leakage will cause damage to the owner, so a new energy vehicle power battery charging protection device is needed

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