Mine Explosion Monitoring and Alarm System
An alarm system and mine technology, applied in mining equipment, mining equipment, earthwork drilling and mining, etc., can solve problems such as no data collection, unsatisfactory alarm accuracy, single data and methods, etc.
Active Publication Date: 2020-11-27
CHINA UNIV OF MINING & TECH (BEIJING)
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Problems solved by technology
At present, the method of preventing mine explosion accidents is mainly to monitor the underground gas concentration, but the gas concentration exceeding the limit is only one of the necessary conditions to cause a mine explosion. If there are no other conditions for mine explosion, even if the gas concentration exceeds the limit, it will not cause an explosion. Moreover, because the methane sensor is installed near the explosive site, it is easy to cause direct damage when the explosion occurs, and no more data can be collected. Therefore, the traditional gas monitoring and alarm method cannot accurately warn before the mine explosion occurs, and cannot accurately after the explosion occurs. Call the police
In addition to the gas monitoring method, mine explosion monitoring methods based on smoke, temperature, vibration and other characteristics have also been applied, but because the monitoring data and methods are still relatively single, the accuracy of the alarm is not very ideal
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Embodiment Construction
[0027] figure 1 It is a schematic diagram of the mine explosion monitoring and alarm system, and the system composition includes:
[0028] 1. Information processing server (1): responsible for storing the data of each sensor, and monitoring the changes 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 device failure, and send out an alarm signal by analyzing data changes and failure information.
[0029] 2. Alarm device (2): The information processing server controls the sound and light alarm, and communicates with the information processing server through the RS232 interface.
[0030] 3. Monitoring equipment (3): Provide data query and production monitoring services for production management personnel. The information processing server provides on-site data, and has alarm display and GIS service functions.
[0031] 4. Core switch (4): res...
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The invention discloses a mine explosion monitoring and warning system. The mine explosion monitoring and warning system mainly comprises an information processing server, a warning device, a communication network, a gas concentration monitoring device and various environment monitoring devices. The system can monitor changes of various data like smog and temperature caused by gas explosion, the mark gas concentration can be monitored through the gas concentration monitoring device, explosion warning information about mine explosion is provided for production management persons according to data obtained by monitoring, and technical support is provided for taking emergency processing measures in time, reducing casualties and reducing loss caused by mine explosion. The monitoring and warning system overcomes the defects that a gas monitoring method and other methods adopted by traditional explosion monitoring are slow in responses, high in false alarm rate and missing report rate and the like, greatly improves the warning accuracy, and provides important guarantee for coal mine safety production.
Description
technical field [0001] The invention relates to a mine explosion monitoring and alarm system, which relates to the fields of sensor technology, laser technology, spectral analysis technology, signal processing technology and the like. Background technique [0002] Coal is the main energy in my country, accounting for about 70% of the primary energy. The coal industry is a high-risk industry, and accidents such as gas, fire, roof, and coal dust have plagued coal mine safety production. Gas accidents account for 66.5% of the death toll in major accidents in coal mines in my country, and 80% of the deaths are from mine fires, gas and coal dust explosion accidents, and carbon monoxide poisoning and suffocation. It is the key to reduce casualties if accurate alarm can be realized in the early stage of mine explosion and effective measures can be taken. At present, the method of preventing mine explosion accidents is mainly to monitor the underground gas concentration, but the g...
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IPC IPC(8): E21F17/18
CPCE21F17/18
Inventor 孙继平
Owner CHINA UNIV OF MINING & TECH (BEIJING)