Laser methane detection alarm apparatus for coal mine

A methane detection and alarm device technology, applied in instruments, measuring devices, scientific instruments, etc., can solve the problems of low detection sensitivity, complex structure and large size of the detector, and achieve good waterproof performance, increased use range, and small size. Effect

Inactive Publication Date: 2018-10-12
YANGZHONG SOUTH MINE ELECTRICAL
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Problems solved by technology

[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. Currently, the commonly used detector structure Complex or large volume, low detection sensitivity

Method used

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  • Laser methane detection alarm apparatus for coal mine
  • Laser methane detection alarm apparatus for coal mine
  • Laser methane detection alarm apparatus for coal mine

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Embodiment 1

[0024] The present embodiment provides a kind of laser methane detection alarm instrument for coal mine, such as Figure 1-4 , including a housing 1, a laser methane sensor 2, a main circuit board 3 and a display screen 4, the laser methane sensor 2 and the main circuit board 3 are arranged in the housing 1, the material of the housing is ABS material, and a The housing is composed of a front cover 1-1 and a rear cover 1-2 fixedly connected by screws, a display screen window 23 is arranged on the front cover, and a display screen 4 is installed in the display screen window 23. The display screen 4 is an OLED liquid crystal display screen with a resolution of 0.01%CH 4 At the same time, the front cover is also provided with switch key 5, plus key 6 and minus key 7, and the rear cover is provided with lens hole 18. Main circuit board 3 includes CPU8, sound and light alarm module 9, setting module 10, detection module 11. Clock module 19, ferroelectric memory 22 and power supply...

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Abstract

The invention discloses a laser methane detection alarm apparatus for a coal mine. The laser methane detection alarm apparatus comprises a shell body,a laser methane sensor,a main circuit board and adisplay screen,wherein the laser methane sensor and the main circuit board are arranged in the shell body,the shell body is composed of a front cover and a back cover which are fixedly connected through a bolt,a display screen transparent window is formed in the front cover,and the display screen is arranged in the display screen transparent window; the front cover is further provided with an on-off key,a plus key and a minus key; the main circuit board comprises a CPU,an acousto-optic alarm module,a setting module,a detection module and a power module; the laser methane sensor,the acousto-optic alarm module,the setting module,a voltage collection module,the detection module,the power module and the display screen are all connected with the CPU,the acousto-optic alarm module is further connected with the setting module and the detection module,a displayer is further connected with the setting module,the detection module and the power module respectively,and the detection module is connected with the laser methane sensor.

Description

technical field [0001] The invention relates to the technical field of gas detection, in particular to a laser methane detection and alarm instrument for coal mines. 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. Currently, the commonly used detector structure Complicated or bulky, the detection sensitivity is not high. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a laser methane detection and alarm instrument for coal mines. [0004] In order to solve the above technical problems, the technical solution of the present invention is as follows: [0005] A laser methane detection and alarm instrument for coal mines, including a ho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/85G01N21/01
CPCG01N21/85G01N21/01G01N2021/0112G01N2021/8578
Inventor 袁臣
Owner YANGZHONG SOUTH MINE ELECTRICAL
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