Automatic sensitivity testing device of water flow indicator for fire protection

• Main Author: LIU PENGJIE
• Format: Patent
• Language: Chinese; English
• Published: 06.07.2016
• Subjects: MEASURING; MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL; METERING BY VOLUME; PHYSICS; TESTING

The invention relates to the field of fire protection facility detection, in particular to an automatic sensitivity testing device of a water flow indicator for fire protection. The automatic sensitivity testing device comprises a machine frame, a PLC control system and a hydraulic press. A water outlet pipe, a water outlet connector, a first electric adjusting electromagnetic valve, a first flow measuring pipe and a first fixing ring are sequentially connected and arranged on the machine frame, and a second fixing ring, a second flow measuring pipe, a second fixing ring stretchable pipe, a fixing pipe, a connecting pipe, an electromagnetic valve, a water inlet pipe and the hydraulic press are sequentially connected and arranged on the machine frame. A pressure sensor is arranged on the hydraulic press. Electric adjusting electromagnetic valves are installed on the two flow measuring pipes. All the electromagnetic valves, flow sensors, a pneumatic electromagnetic valve set and the pressure sensor are connecte