Time difference automatic adjusting device for commutator of liquid flow standard device

Abstract

The utility model relates to liquid flowmeter detection technical field discloses time difference automatic adjusting device of commutator for liquid flow standard device, including commutation execution mechanism, time difference detection subassembly, displacement adjusting mechanism and PLC control system, commutation execution mechanism includes commutator body and drive cylinder, time difference detection subassembly includes photoelectric pulse converter, metal baffle and signal acquisition module, drive cylinder drive end connects metal baffle, photoelectric pulse converter top end connects metal baffle, the signal output end of photoelectric pulse converter is connected signal acquisition module through cable, the output end of signal acquisition module connects PLC control system, photoelectric pulse converter bottom end connects displacement adjusting mechanism top end, this application can on -line real -time detection commutator time difference, and the automatic closed -loop regulation photoelectric detection position, and correct time difference to the qualified range, need not manual debugging, need not to stop, and the adjustment precision is high, and the operation is stable.

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