The invention relates to the technical field of electric automobiles, in particular to a quick collision power-off device for an electric automobile, and aims to solve the technical problem that high-voltage power-off equipment of an existing electric automobile is relatively slow in power off. According to the adopted technical scheme, the quick collision power-off device comprises a ceramic packaging body covering the outer side of a fuse, TNT explosives and an ignition device are arranged in the ceramic packaging body, the TNT explosives are adjacent to the fuse, the ignition device is adjacent to the TNT explosives, one end of the ignition device is grounded, the other end of the ignition device is electrically connected with a switch group through a lead, the switch group is arranged on the outer side of the ceramic packaging body, the switch group is formed by connecting a plurality of collision switches in parallel, the plurality of collision switches are uniformly distributed on a front bumper and a rear bumper of the electric automobile, the switch group is electrically connected with a control power supply, and one end, which is not connected with the switch group, of the control power supply is grounded.
本发明涉及电动汽车技术领域,具体是电动汽车碰撞快速断电装置,旨在解决现有电动汽车切断高压电的设备断电较慢的技术问题。采用如下技术方案:包括罩于熔断器外侧的陶瓷封装体,所述陶瓷封装体内设有TNT炸药和点火装置,所述TNT炸药与熔断器相邻,所述点火装置与TNT炸药相邻,点火装置一端接地、另一端通过引线电连接有开关组,所述开关组置于陶瓷封装体外侧,所述开关组由多个碰撞开关并联而成,多个碰撞开关均布在电动汽车的前保险杠和后保险杠上,开关组电连接有控制电源,所述控制电源未与开关组连接的一端接地。
Quick collision power-off device for electric automobile
电动汽车碰撞快速断电装置
2021-06-15
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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