Mine draining pump control system

Abstract

The invention discloses a mine draining pump control system. The mine draining pump control system comprises a control module, an execution module and a power supply module, wherein the execution module comprises a water pump, a motor and a valve group; the water pump is provided with an evacuating device; the valve group is connected with the water pump; the control module comprises a programmable logic controller, an on-off input module, an analog input module, a communication module and an on-off output module, in-place signals of an electric ball valve and an electric gate valve and operation state signals of a draining pump and the evacuating device are transmitted to the programmable logic controller through the on-off input module; a pressure signal of a water pump outlet and a vacuum degree signal of the water pump are transmitted to the programmable logic controller through the analog input module; temperature signals of a water pump bearing and a motor bearing and an outlet flow rate signal of a water pump draining pipe are transmitted to the programmable logic controller through the communication module. Important information of the water pump is intuitively displayed by a display screen, the water pump is automatically controlled according to preset parameters, the accuracy of obtained data is high, and the safety factor of the system is improved.

Description

technical field [0001] The invention relates to a drainage pump control system, in particular to a mine drainage pump control system, and belongs to the technical field of mining equipment. Background technique [0002] In the process of underground mining, due to the gushing of water in the strata, the infiltration of rainwater and river water, the filling of water and sand and the underground water supply of water conservancy mining wells, a large amount of water will continue to gather underground; During the mining process, due to the destruction of the stratum structure and the fracture of the rock layer, the mining area will be connected with the water storage layer, and a water inrush accident will occur. If the stagnant water cannot be drained to the well in time, it will not only delay the underground production, but also cause serious safety hazards. Therefore, the underground drainage system, as one of the four major systems in coal mine production, is responsible...

AI Technical Summary

Problems solved by technology

Problems in manual operation: the work flow of the drainage system is completely done manually, with low efficiency and poor reliability; the operation of the drainage gate valve is heavy and wastes a lot of manpower

[0004] There are some automatic control drainage systems, but the core part of the control box is automatic control realized by logic wiring control of a large number of relays. Since the output control signal is a normally open contact of a relay, the contact type of the controlled device is sometimes Pulse type, so there will be uncontrollable conditions

In order to solve this phenomenon, the original equipment uses a time relay to output a power-on delay disconnection signal to imitate the pulse signal, but the system using this method has problems of poor stability and low safety factor

Images