Safe and reliable intelligent electronic vacuum water diversion controller

Abstract

The invention relates to a safe and reliable intelligent electronic vacuum water diversion controller. The controller comprises a flow switch device and a water level detection device; the flow switchdevice is used for automatically controlling the starting of a pump station main unit according to the flow speed of fluid in a vacuum pipe in a pump station, and the water level detection device isused for detecting the water level of a gas-liquid separator in the pump station and controlling an electromagnetic valve of a water inlet pipe of the gas-liquid separator according to the water leveldetection result. The flow switch device comprises a Wheatstone bridge detection unit and a micro-processing unit, wherein the Wheatstone bridge detection unit converts the flow velocity of fluid inthe vacuum pipe in the pump station into a voltage signal, and the micro-processing unit sends a starting signal to a starting loop of a main unit of the pump station when the voltage signal reaches apreset voltage threshold value. When the vacuum pump lacks water, water is supplemented in time, the flow value of liquid in the vacuum pipe is accurately measured, and the vacuum degree is judged, so that a starting instruction is correctly sent out, and misoperation and refusal are avoided.

Description

technical field [0001] The invention relates to the technical field of vacuum water diversion controllers, in particular to a safe and reliable intelligent electronic vacuum water diversion controller. Background technique [0002] With the continuous improvement of the technical level in various fields, the rapid development of pumping station technology has been promoted. The current pumping station has broken away from the previous rough management mode, and is developing towards automation, safety, reliability and energy saving. Therefore, the control technology of the pumping station is required to have a real practical improvement. The automatic vacuum start-up system of the centrifugal pumping station unit is one of the most important examples. Before the centrifugal pump is started, the water inlet channel and the pump body should be filled with water, and the centrifugal force generated by the rotation of the impeller forms a continuous water flow from the water i...

AI Technical Summary

Problems solved by technology

When the water pump is about to reach the critical point of vacuum, the gas-water mixture in the pipeline enters the vacuum water diversion controller, holds up the internal float, connects the water diversion contact, starts the vacuum formation and starts the electrical appliances, and then connects the main unit start-up circuit, resulting in no In the case of complete vacuum, the main unit starts by mistake, and the water pump cannot discharge water, which increases the number of startups of the unit and reduces the success rate of automatic startup; The float cannot float up during this trip, and the water diversion contact cannot be closed after the vacuum is formed, and it cannot be started normally.

Images