Multi-functional methane alarm apparatus

An alarm instrument and multi-functional technology, which is applied in the field of portable multi-function methane alarm instruments, can solve the problems of the alarm instrument not working normally, poor adaptability, easy drop in sensitivity, etc. Effect

Inactive Publication Date: 2013-06-12
赵明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the disadvantages of existing methane alarm devices, such as poor adaptability and easy drop in sensitivity, which lead to the failure of normal operation of the alarm device, and provide a multi-functional device that can quickly, accurately and reliably detect methane concentration in coal mines Methane alarm

Method used

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  • Multi-functional methane alarm apparatus

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Embodiment Construction

[0009] Combine below figure 1 , the present invention will be further described by embodiment.

[0010] like figure 1 As shown, a multifunctional methane alarm device provided by the present invention is mainly composed of a signal processing display module and a methane concentration detection module, and is powered by a power supply module (lithium battery).

[0011] The methane concentration detection module is mainly composed of an amplifier circuit, a filter circuit and an infrared methane probe. When working normally, the infrared methane probe converts the detected methane concentration into a weak electrical signal. The electrical signal is filtered out by the filter circuit, then amplified by the amplifier circuit, and sent to the signal processing display module.

[0012] The signal processing display module is mainly composed of three parts: a display module (digital tube), a single-chip microcomputer and a temperature probe. Among them, the single-chip micro...

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Abstract

The invention relates to a multi-functional methane alarm apparatus. The multi-functional methane alarm apparatus is characterized in that a signal processing display module comprises a singlechip, and the periphery of the singlechip is connected with a displaying module and a temperature probe; and a methane concentration detection module is composed of an infrared methane probe, a filter circuit and an amplifying circuit which are successively connected, and the methane concentration detection module adopts a novel infrared probe to detect environment methane content in a mine, and the detection process is rapid, exact and reliable, and is not easy to interfere by the other gases in the environment; and the signal processing display module adopts the high-class singlechip, the integration level of a circuit is high, and the functions are various; and the methane concentration is displayed in real time, and the multi-functional methane alarm apparatus has the functions such as methane concentration over-limiting alarm, battery voltage display, environment temperature display and time display.

Description

technical field [0001] The invention relates to an alarm device, in particular to a portable multifunctional methane alarm device capable of quickly, accurately and reliably detecting the methane concentration in the underground environment of coal mines. Background technique [0002] Traditional mining portable multi-functional methane alarms mostly use black and white components thermal catalytic probes and discrete component circuits, the circuits are complex and reliable, and if thermal catalytic components encounter sulfides (H2S, SO2, etc.) and high-concentration methane gas in coal mines , It will lead to poisoning, failure or sensitivity reduction of thermal catalytic components, which will cause the alarm device to fail to work normally. Contents of the invention [0003] The purpose of the present invention is to solve the disadvantages of existing methane alarm devices, such as poor adaptability and easy drop in sensitivity, which lead to the failure of normal o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/17G01D21/02
Inventor 赵明
Owner 赵明
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