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Automatic adjusting method of water supply pressure
The invention belongs to the field of industrial water supply auto-control systems and provides an automatic adjusting method of water supply pressure. A pressure transmitter is mounted on a discharge master pipe of a water supply pump; a regulator is installed in a control room; a frequency converter is mounted in a pump control cabinet; an output signal of the pressure transmitter is connected to the input end of the regulator; the output signal subjected to constant pressure regulation by the regulator is connected to the input end of the frequency converter; output of the frequency converter is connected to a pump motor. A network pressure signal detected by the pressure transmitter is sent to a PID (proportion integration differentiation) regulator, a given pressure value is set in the regulator, actual pressure detected is compared with the given pressure value, a reverse mA value is output, the frequency converter is controlled to output proper frequency, running speed of the pump motor is changed, balance of water supply is adjusted, and constant pressure of a discharge network is achieved.
Automatic adjusting method of water supply pressure
The invention belongs to the field of industrial water supply auto-control systems and provides an automatic adjusting method of water supply pressure. A pressure transmitter is mounted on a discharge master pipe of a water supply pump; a regulator is installed in a control room; a frequency converter is mounted in a pump control cabinet; an output signal of the pressure transmitter is connected to the input end of the regulator; the output signal subjected to constant pressure regulation by the regulator is connected to the input end of the frequency converter; output of the frequency converter is connected to a pump motor. A network pressure signal detected by the pressure transmitter is sent to a PID (proportion integration differentiation) regulator, a given pressure value is set in the regulator, actual pressure detected is compared with the given pressure value, a reverse mA value is output, the frequency converter is controlled to output proper frequency, running speed of the pump motor is changed, balance of water supply is adjusted, and constant pressure of a discharge network is achieved.
Automatic adjusting method of water supply pressure
LI RIQING (author) / WANG RUIHONG (author)
2015-06-03
Patent
Electronic Resource
English
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