Mine explosion monitoring and alarming system

Mine explosion monitoring and alarming system

  • CN 106,640,195 B
  • Filed: 10/21/2016
  • Issued: 11/27/2020
  • Est. Priority Date: 10/21/2016
  • Status: Active Grant
First Claim
Patent Images

1. A mine explosion monitoring alarm system is characterized in that:

  • the system mainly comprises a gas concentration monitoring device, a micro-seismic monitoring device, an air pressure monitoring device, an explosion sound monitoring device, a fireball monitoring device, a temperature monitoring device, a wind speed monitoring device, a wind direction monitoring device, a smoke monitoring device, an information processing server, an alarm device and a communication network;

    the information processing server is responsible for collecting, processing and storing all monitoring data, when the abnormity of gas concentration data, microseismic data, air pressure data, sound data, fireball monitoring data, temperature data, wind speed data, wind direction data and smoke monitoring data and the failure of the device meet the alarm condition, the alarm device sends out sound and light alarm, and simultaneously sends out explosion alarm information through the communication network;

    the gas concentration monitoring device of the system is a gas concentration remote sensing device and is used for obtaining gas concentration data of different distance areas and three-dimensional space areas;

    the gas concentration remote sensing device mainly comprises a laser transmitter and a laserThe device comprises an optical receiver, a control processing unit and a display unit;

    the gas concentration remote sensing device adopts an open gas chamber, and can carry out remote sensing monitoring on the concentration of various gases in the environment;

    the gas detected by the gas concentration remote sensing device comprises CO and CO2

    O2

    CH4And NOX(ii) a The gas concentration remote sensing device has a laser ranging function;

    the gas concentration remote sensing device adopts a single laser source or a plurality of laser sources to realize the concentration detection of various gases;

    the gas concentration remote sensing device adopts the following scanning monitoring method to carry out scanning monitoring;

    a laser transmitter of the gas concentration remote sensing device transmits laser beams in different directions to monitor the gas concentration and the distance, a data sequence consisting of the gas concentration, the distance and the transmitting direction is obtained, and the gas concentrations in different distance areas are obtained after processing;

    the laser transmitter of the gas concentration remote sensing device of the system adopts a laser transmitter capable of automatically adjusting the transmitting direction, and the control processing unit controls the transmitting direction of the laser transmitter in a scanning monitoring mode to monitor the gas concentration and the distance in different directions;

    the gas concentration remote sensing device of the system monitors the gas concentration of the three-dimensional space region by adopting the following method;

    the gas concentration remote sensing device emits laser beams in different directions at the same point to measure reflection points in different distances, and the distance between the emission point and each reflection point is obtained; and

    processing the distance of the reflection points and the data of the laser emission direction by taking the emission points as reference points to obtain the coordinate data of each reflection point, obtaining a three-dimensional space model according to the coordinate data of all the reflection points, and corresponding the gas concentrations of different distance areas obtained by calculation to the three-dimensional space model to obtain the gas concentration of the three-dimensional space area.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×