Fully-mechanized face spray and aspirating system based on 433M RFID

Abstract

The invention discloses a fully-mechanized face spray and aspirating system based on 433M RFID. The system comprises an upper computer and an underground spray and aspirating system. The underground spray and aspirating system comprises a mine controller, a plurality of mine actuators, a mine infrared transmitter and a mine sensor, wherein the mine controller and the mine actuators installed on a hydraulic support, the mine infrared transmitter is installed on a coal mining machine, and the mine sensor is installed on a point to be measured. The upper computer is connected with the mine controller through an RS485 port, the mine actuators and wireless pressure sensors corresponding to the mine actuators are in 433 M wireless communication, the mine controller and the mine actuators are in 433 M wireless communication, and the mine actuators are in 433 M wireless communication. The mine infrared transmitter is in infrared communication with the mine actuators. The mine sensor can be in wired connection with the mine controller or the mine actuators. Under the complex underground environment, the advantages that 433 M signals are long in transmission distance and high in signal penetration and diffraction capacity and wireless signal transmission attenuation is little are used, the automatic spray and aspirating effects can be achieved, and the system is easy to construct and convenient to maintain.

Description

Technical field [0001] The invention belongs to the field of dust reduction in fully mechanized coal mining faces, and relates to a spray dust reduction system, in particular to a 433M RFID-based spray dust reduction system in a fully mechanized mining face. Background technique [0002] With the continuous improvement of society's awareness of the hazards of pneumoconiosis, the use of automatic spray dust suppression systems in fully mechanized coal faces will be favored by coal mines. There are various automatic spray dust removal systems on the market, mainly including the following two: [0003] (1) Semi-automatic blasting mining: digging several blastholes on the fully mechanized mining face, burying explosives, igniting, and spraying the dust suppression device to detect the voice control sensor signal, opening the ball valve for spraying, and the existing semi-automatic blasting mining requires manual operation Coal mining requires a lot of work. Because there is only one w...

AI Technical Summary

Problems solved by technology

[0005] In order to solve the above problems, the object of the present invention is to provide a 433M RFID-based spray and dust suppression system for fully mechanized mining faces, which can detect mining in real time through the infrared transmitter installed on the mining machine and the wireless pressure sensor installed on the hydraulic support. The location of the coal machine, frame moving operation and coal discharge operation, and automatically turn on / off several fan-shaped strong fog under the wind flow of the coal shearer, frame transfer and coal discharge operation for efficient dust removal, and fully automatic without human intervention operation, solved the technical problems of small dust reduction range, unsatisfactory effect, and high dust concentration of the working flour of the original spray device of the coal shearer, reduced the labor intensity of workers, and effectively prevented the harm of pneumoconiosis

Images