Gas leakage detector
A gas leakage and detection instrument technology, which is applied in the direction of liquid tightness measurement using liquid/vacuum degree, can solve problems such as leakage and personnel death, and achieve the effects of ensuring safe production, wide application, and convenient installation and distribution
Inactive Publication Date: 2010-12-29
王世庆
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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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[0014] Gas leak detector, including the following components:
[0015] an odor sensor 1 for receiving and transmitting gas odor;
[0016] A comparative amplifier 2 that receives the signal transmitted by the odor sensor 1 and compares and amplifies the weak signal;
[0017] Analyze the signal transmitted by the comparative amplifier 2, if it is an abnormal smell then send an alarm signal to the alarm device 4; if it is a normal smell then send the control part 3 of the no-alarm signal to the alarm device 4;
[0018] The alarm device 4 that issues an alarm based on a signal from the control unit 3 .
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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; ...
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IPC IPC(8): G01M3/02
Inventor 王世庆
Owner 王世庆