Cable head protection device

The invention discloses a cable head protection device, which comprises a protection unit, a shell assembly, a temperature sensing timing assembly arranged in the shell assembly, a stage unlocking assembly in contact with the temperature sensing timing assembly, and a standby energy supply switching assembly arranged below the stage unlocking assembly, the flashing assembly and the buzzing assembly are arranged on the two sides of the standby energy supply switching assembly respectively. The device has the advantages that long-time standby detection without energy consumption can be achieved, the service life of the device is prolonged, and the production cost is reduced; different duration of the abnormal high temperature is recorded, and different early warning effects are switched according to the high temperature of different duration, so that the phenomenon of leaving in manual inspection is avoided. 本发明公开了一种电缆头防护装置，包括防护单元，包括壳体组件、设置于壳体组件内的感温计时组件、与感温计时组件接触的阶段解锁组件、设置于阶段解锁组件下方的待机供能切换组件，以及分别设置于待机供能切换组件两侧的闪光