A mine-used wireless laser methane alarm system and method

Abstract

The invention belongs to the technical field of methane alarm, specifically relates to a mining wireless laser methane alarm system and method, and the technical problems to be solved by the inventionis to provide the mining wireless laser methane alarm system and method with relatively good alarming effect. According to the technical solution, the mining wireless laser methane alarm system comprises a plurality of laser methane sensors which are arranged under a well and used for collecting the methane concentration of an operation area, a plurality of area alarm terminals which each are connected with a plurality of laser methane sensors and used for receiving and displaying methane concentration signals output by the laser methane sensors and sending out remote alarm signals, voice alarm signals and flashing light alarm signals when the methane concentration exceeds a set value, and a remote control host which is used for receiving the remote alarm signals sent by the area alarm terminals, analyzing the methane concentration distribution under the whole well, sending a power-off locking signal to electrical equipment, and sending an emergency evacuation instruction to the areaalarm terminals so as to enable the area alarm terminals to send an evacuation warning sound.

Description

technical field [0001] The invention belongs to the technical field of methane alarm, in particular to a mining wireless laser methane alarm system and method. Background technique [0002] The main component of gas is methane. Gas explosion has always been a major problem in the mining industry. Accidents causing heavy casualties have occurred frequently and caused huge losses. Gas accidents are one of the main threats to coal mine safety production. [0003] The existing methane alarm device can be carried by mining personnel, or installed in fixed places such as coal mine lanes and goafs, and has been widely used in the field of coal mine safety detection. [0004] However, the methane alarm device currently installed in a fixed place, on the one hand, the alarm device sets the methane concentration threshold, and when the concentration is higher than the set value, the buzzer will give an alarm. Due to the noisy sound of underground work, the alarm sound is easy to be ig...

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Problems solved by technology

[0004] However, the methane alarm device currently installed in a fixed place, on the one hand, the alarm device sets the methane concentration threshold, and when the concentration is higher than the set value, the buzzer will give an alarm. Due to the noisy sound of underground work, the alarm sound is easy to be ignored. , the alarm effect is poor; on the other hand, the alarm device can only monitor the methane concentration in the current area, which cannot make the mining personnel in this area fully understand the underground methane environment, which is not conducive to evaluating whether to carry out emergency evacuation

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