Automatic control device of water supply system, including the power supply to the pump group j 1, contactor rectifier circuit, the water level automatic control BG transistor 1, RC by a time delay control circuit, a transistor switch device BG 2 control relays, j 2 comprises a delay control circuit and delay control for work instructions piezoelectric ceramic buzzer. This device can pump motor in anhydrous idling by controlling the relay J - 2 - J action to make contacts 1 action, the water pump motor stops due to power outages, avoid idling and burn the pump motor coil and power saving. The utility model is suitable for being used as a water pipe and a water supply system of a water inlet and outlet pipe.
【技术实现步骤摘要】
【技术保护点】
供水系统的水位自动控制装置,包括向上述供水系统中的水泵马达供电的接触器J↓〔1〕、整流电路、水位自动控制晶体管BG↓〔1〕、其特征在于装有用抽水传感器来的信号进行控制的延时控制装置。当水泵马达工作后经预定时间未抽出水时,使接触器J↓〔1〕工作,停止水泵和马达运转。
【技术特征摘要】
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