Gas leakage detector

Abstract

The invention relates to a gas leakage detector which comprises a smell sensor (1), a comparison amplifier (2), a control part (3) and an alarm (4), wherein the smell sensor receives and transmits gas smell; the comparison amplifier receives signals transmitted by the smell sensor (1) and carries out comparative amplification on the weak signals; the control part analyzes the signals transmitted by the comparison amplifier (2), and then sends an alarm signal to the alarm (4) in case of abnormal smell or sends a non-alarm signal to the alarm (4) in case of normal smell; and the alarm gives an alarm according to the signals sent by the control part (3). The gas leakage detector can achieve convenient installation and wiring and automatic routing inspection, locking and setting; and when concentration of the detected gas in an environment reaches or exceeds a preset alarm value, the alarm can give out a sound-light alarm immediately to remind a user of taking safety measures. The detector can be widely applied to hazardous sites where inflammable, explosive and toxic gas exists in gas, petroleum, chemical industry, metallurgy and other fields.

Description

technical field [0001] The invention relates to a detection device, in particular to a gas leak detector. Background technique [0002] Gas is a necessary household necessities for ordinary people at home, but because some gas pipes are old and disrepaired, there are often leaks. If we cannot detect gas leaks in time at this time, it will easily cause a large number of people. to die. SUMMARY OF THE INVENTION [0003] The technical problem to be solved by the present invention is to provide a gas leak detector, which can sense and issue an alarm sound very sensitively when gas leaks, so as to avoid accidents. [0004] In order to solve the problems existing in the prior art, the technical scheme adopted in the present invention is: [0005] Gas leak detector, including the following components: [0006] Odor sensors for receiving and transmitting gas odors; [0007] A comparative amplifier that receives the signal sent by the odor sensor and amplifies the weak signal; ...

AI Technical Summary

Problems solved by technology

[0002] Gas is a necessary daily necessities for ordinary people, but because some gas pipes are antiques that have been in disrepair for a long time, there are often leaks. If we cannot detect gas leaks in time at this time, it is easy to cause a lot of people. die

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