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Flammable gas detection alarm

A gas detection and alarm technology, applied in alarms, instruments, etc., can solve the problems of casualties, few alarm functions and emergency rescue facilities, no remote alarm function, etc., and achieve the effect of high detection accuracy and low cost

Inactive Publication Date: 2018-03-23
杨晓艳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current flammable gas detectors only play the role of detection, and there are few alarm functions and emergency help facilities, let alone remote alarm functions. Failure to leave the scene in time will easily cause large-scale casualties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Please refer to figure 1 , figure 1 It is a schematic structural diagram of the combustible gas detection and alarm device provided by Embodiment 1 of the present invention, as figure 1 As shown, the flammable gas detection alarm includes:

[0026] The gas sensing module 11 is used to sense combustible gas and convert the volume fraction of combustible gas into an analog electrical signal;

[0027] A signal processing module 12, connected to the combustible gas sensing module, for converting the analog electrical signal into a digital electrical signal, and outputting the digital electrical signal to the control module 13;

[0028] A control module 13, connected to the signal processing module 12, for receiving and responding to the digital electrical signal;

[0029] The alarm module 14 is connected to the control module 13 and is used for sending out an alarm audio signal.

[0030] Wherein, the combustible gas sensing module 11 includes a semiconductor gas sensor ...

Embodiment 2

[0038] In this embodiment, on the basis of Embodiment 1, a display function and a manual alarm button are added to the combustible gas detection alarm. image 3 It is a schematic structural diagram of the combustible gas detection and alarm device provided by the second embodiment of the present invention. As shown in the figure, the flammable gas detection alarm also includes a display module 15, which is connected to the control module 13 and the alarm module 14 respectively; the manual alarm button 16 is connected to the alarm module 14, and is used for manually starting the alarm module 14 to work.

[0039]The display module 15 is connected to the control module 13 and is used for displaying the current volume fraction range of combustible gas in the air. Among them, the display module 15 can be set on the alarm, and can also be set on the wall of the workshop, the laboratory of the scientific research institution, and other places that require flammable gas detection. An ...

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Abstract

The invention discloses a flammable gas detection alarm, which comprises a gas sensing module for sensing flammable gas and converting the volume fraction of the flammable gas into an analog electricsignal; a signal processing module connected to the gas sensing module for converting the analog electrical signal into a digital electrical signal and outputting the digital electrical signal to a control module; and the control module connected to the signal processing module for receiving and responding to the digital electrical signal; and an alarm module connected to the control module for emitting an alarm audio signal. The embodiment of the invention can realize the detection and remote alarm of flammable gas, with high detection accuracy and low cost.

Description

technical field [0001] The embodiments of the present invention relate to the field of gas detection, in particular to a combustible gas detection alarm. Background technique [0002] Combustible gases such as natural gas, liquefied petroleum gas, coal gas, hydrogen, etc. are prone to fire and explosion when exposed to open flames or sparks in the air, posing a great threat to life and property. [0003] In order to prevent the flammable gas from exploding easily after reaching a certain concentration, and to ensure production safety, it is often necessary to set up flammable gas in the production workshops that produce and use flammable gases, laboratories of scientific research institutions, or other places that involve the use of flammable gases. Check the alarm device. The current flammable gas detectors only play the role of detection, and there are few alarm functions and emergency help facilities, let alone remote alarm functions. Failure to leave the scene in time ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08B21/16
CPCG08B21/16
Inventor 杨晓艳
Owner 杨晓艳
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