Automatic water tank level controller of energy-saving watersupply system
An automatic controller and water supply system technology, applied in liquid level control, non-electric variable control, control/regulation system, etc., can solve problems such as installation and maintenance difficulties, waste of electric energy, insufficient supply, etc.
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[0016] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0017] figure 1 The circuit principle diagram of the water tank water level controller in the prior art shown has been described in the previous background technology, and will not be repeated here.
[0018] exist figure 2 As shown in the schematic diagram of the system structure of the present invention, the system includes: a water source 1, a one-way valve 2, an upper water pipe 3, an electric water pump 4, a water shortage signal valve 5, a pneumatic water level gauge 6, a water supply pipe 7 and a water tank 8. Wherein, a part of the upper water pipe 3 is also used as a water supply and lower water pipe, and the check valve 2 is located at the lower end or front end of the upper water pipe 3 inserted into the underwater part of the water source 1; It communicates with the upper water pipe 3; the water shortage signal valve 5, as framed by the dotted line, is ...
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