Protection circuit of vehicle-mounted video port and vehicle

The utility model provides a protection circuit of a vehicle-mounted video port and a vehicle. Wherein the vehicle-mounted video port is respectively connected with a power supply branch and a signal branch through a common branch, the protection circuit comprises a rectification circuit and a first protection device, and the rectification circuit is arranged on the common branch; the first protection device is connected with the rectification circuit and used for being matched with the rectification circuit to discharge surge current on the common branch. The protection circuit of the vehicle-mounted video port provided by the utility model can reduce the damage of surge energy and electrostatic energy to vehicle-mounted electronic components, and improves the safety of a vehicle-mounted electronic system. 本申请提供一种车载视频端口的防护电路及车辆。其中，车载视频端口通过公共支路分别与电源支路和信号支路连接，该防护电路包括整流电路和第一防护器件，整流电路设置在公共支路上；第一防护器件与整流电路连接，用于与整流电路配合泄放公共支路上的浪涌电流。本申请提供的车载视频端口的防护电路能够减少浪涌能量和静电能量对车载电子元件的损坏，提高车载电子系统的安全性。