Self -control system of checking meter of geothermol power station usefulness

The utility model discloses a self -control system of checking meter of geothermol power station usefulness, its characterized in that: at least, include: a data acquisition device for reading the water gauge data message, this data acquisition device includes infra -red transmitter and photoelectri...

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Hauptverfasser: PING FUHANG, WANG LICHUAN, LIU HAIMING, WANG SHENGLI, ZHANG YIWANG, WEI JIANCHUN, YUAN YIGUO
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creator PING FUHANG
WANG LICHUAN
LIU HAIMING
WANG SHENGLI
ZHANG YIWANG
WEI JIANCHUN
YUAN YIGUO
description The utility model discloses a self -control system of checking meter of geothermol power station usefulness, its characterized in that: at least, include: a data acquisition device for reading the water gauge data message, this data acquisition device includes infra -red transmitter and photoelectric sensor, is provided with reflection infrared light's reflector plate on the water gauge, and the finger needle position of above -mentioned water gauge is between infra -red transmitter and reflector plate, and above -mentioned photoelectric sensor is located the reflected light path after infrared light passes through the reflector plate, a pulse counter for receiving photoelectric sensor output signal, a control terminal for receiving data, pulse counter carries out the data interaction through the modbus converter with control terminal. By adopting the above technical scheme, this patent has simple structure, and the rate of accuracy is high, the characteristics of the maintenance of being convenient for. 本实用新
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subjects PHYSICS
SIGNALLING
TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS
title Self -control system of checking meter of geothermol power station usefulness
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