Self-inspection device for safety blow-off valve of pressure regulating box

The utility model discloses a self-inspection device for a safety blow-off valve of a pressure regulating box. The safety relief valve comprises a pressurizing air pump, a pressure controller connected with the pressurizing air pump, an RC trigger connected with the pressure controller and a voice playing module connected with the RC trigger, and the pressurizing air pump is connected to the safety relief valve and used for inflating and pressurizing the safety relief valve; the pressure controller is used for controlling the pressurizing air pump; the RC trigger is used for triggering the voice playing module, and the voice playing module carries out voice prompt after the RC trigger is triggered. According to the device, whether the safety blow-off valve is in a normal working state or not is judged through pressure detection, and safe operation of the safety blow-off valve of the pressure regulating box is effectively guaranteed. 本实用新型公开了一种调压箱安全放散阀自检验装置，包括：打压气泵，与打压气泵连接的压力控制器，与所述压力控制器连接的RC触发器，与所述RC触发器连接的语音播