Safety detection system and detection method for snap valve

The invention relates to a snap valve safety detection system and detection method. The detection system comprises an internal pressure test subsystem and an external tension test subsystem. The internal pressure testing subsystem comprises an inflow branch, an outflow branch, a pressure stabilizing device and a pressure monitoring device, the inflow branch comprises a first connector and a pressurizing device which are communicated, the outflow branch comprises a second connector and a first stop valve which are communicated, and the first connector and the second connector are used for being communicated with the two ends of a to-be-tested snap valve one by one; the pressure stabilizing device is mounted on the pipeline between the first joint and the pressurizing device; the pressure monitoring device is mounted on the pipeline between the first joint and the pressurizing device; the external tension testing subsystem comprises a driving device and a tension monitoring device, and the driving device applie