Waterproof dart crystallized blocking's of improvement type control system

The utility model relates to a waterproof dart crystallized blocking's of improvement type control system, it includes water dart, control circuit and control piper, the normal water admission pipe in the control piper and the water inlet of nozzle communicate, and the delivery port of drain pipe and extension pipe communicates, and the both ends that first refluence was managed communicate with normal water admission pipe and drain pipe respectively, and second refluence pipe communicates with the medicine mouth with the suction chamber, normally -closed solenoid valves, normal close electrical ball valve, normally open solenoid valve among the control circuit and normally open the electrical ball valve and form closed -loop with switching power supply in parallelly connected back each other, time relay's contact sets up in this closed -loop. This control system simple structure can effectively prevent water dart, normal close electrical ball valve and normally open the brilliant of electrical ball valve and