Purified water supply system with power failure reset function

A power failure reset and supply system technology, applied in pump control, non-variable capacity pump, machine/engine, etc., can solve problems such as high pump output, pump overload, inability to determine pipeline resistance, etc., to reduce labor costs, Avoid excessive output

Inactive Publication Date: 2018-01-19
四川宇康供水设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is that when the existing centrifugal pump is restarted after power failure, the pipeline resistance cannot be judged due to the unknown situation in the pipeline, which will easily lead to excessive output of the pump, resulting in overloading of the pump and damage to the pump , the purpose is to provide a clean water supply system with a power failure reset function to solve the above problems

Method used

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  • Purified water supply system with power failure reset function

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Embodiment

[0018] like figure 1 As shown, the clean water supply system with power failure reset function of the present invention, the clean water supply system with power failure reset function, includes: a liquid level sensor for detecting the liquid at the water inlet of the pump; a sensor for opening and closing the water outlet of the pump shut-off valve; a drain valve used to communicate the water inlet of the pump with the outside world; a control module used to control the work of the pump, the drain valve and the shut-off valve; When the liquid level sensor detects that there is liquid at the water inlet, the control module simultaneously opens the drain valve and the shut-off valve until the liquid level sensor detects no liquid; the control module is also used to control the Closing the drain valve and the shut-off valve, and controlling to turn on the pump; the control module is also used to control to turn on the shut-off valve when the time for turning on the pump reaches ...

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Abstract

The invention discloses a purified water supply system with a power failure reset function. The purified water supply system comprises a liquid level sensor, a stop valve, a drain valve and a controlmodule, wherein the control module is used for controlling a pump, the drain valve and the stop valve to operate; during power failure reset, the preset time of opening the stop valve is controlled bythe control module, and when liquid at a water inlet is detected by the liquid level sensor, the drain valve and the stop valve are controlled to open at the same time by the control module until noliquid is detected by the liquid level sensor; the control module is further used for controlling the drain valve and the stop valve to close and controlling the pump to start when no liquid is detected by the liquid level sensor; and the control module is further used for controlling the stop valve to open when the time of starting the pump reaches a threshold. According to the purified water supply system with the power failure reset function, the device is arranged, so that when the pump is powered off and is restarted, the condition in the pump can be determined, high output of the pump isavoided, sand the pump cannot be damaged by overloading.

Description

technical field [0001] The invention relates to the technical field of water supply engineering, in particular to a clean water supply system with a power failure reset function. Background technique [0002] A pump is a machine that transports or pressurizes a liquid. It transmits the mechanical energy of the prime mover or other external energy to the liquid to increase the energy of the liquid. It is mainly used to transport liquids including water, oil, acid and alkali, emulsion, suspoemulsion and liquid metal. Liquids, gas mixtures and liquids containing suspended solids can also be transported. The technical parameters of pump performance include flow rate, suction lift, lift, shaft power, water power, efficiency, etc.; according to different working principles, it can be divided into volumetric pumps, vane pumps and other types. Positive displacement pumps use the change in the volume of their working chambers to transfer energy; vane pumps use the interaction betwe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D15/00
Inventor 史国锋罗欢凌鹏邓文忠李明刘建国潘建君
Owner 四川宇康供水设备有限公司
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