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Gas monitoring alarm method

A gas and air technology, applied in the direction of alarms, instruments, etc., can solve problems such as false alarms, and achieve the effect of solving false alarms and omissions

Active Publication Date: 2013-07-17
YANGZHOU PULAOSHI TECH DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a gas monitoring and alarm method that can effectively solve the problems of false alarms and missed alarms for the above-mentioned prior art

Method used

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Embodiment Construction

[0016] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0017] The gas monitoring and warning method provided by the present invention is used for monitoring and warning the concentration of carbon monoxide in the air. When the concentration of carbon monoxide in the air reaches the second preset concentration value or when the change rate of the concentration of carbon monoxide in the air is detected to reach the preset change rate, an alarm signal is issued, and the second preset concentration value is greater than the first preset concentration value. In this embodiment, the first preset concentration value is 50 ppm, the second preset concentration value is 200 ppm, and the preset change rate is 100 ppm / 60 minutes.

[0018] In the above method, the rate of change of the concentration of carbon monoxide in the air is detected by the following method:

[0019] First set up a circular queue array...

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Abstract

The invention relates to a gas monitoring alarm method which is used for performing monitoring and alarm on concentration of carbon monoxide in air. The gas monitoring alarm method is characterized in that a warning signal is sent when concentration of carbon monoxide in the air reaches a first preset concentration value and an alarm signal is sent when concentration of carbon monoxide in the air reaches a second preset concentration value which is larger than the first preset concentration value or a concentration change rate of carbon monoxide in the air reaches a preset change rate. Compared with the prior art, the gas monitoring alarm method has the advantage of effectively solving the false alarm and omissive alarm problems due to the facts that a hierarchical mechanism that warning is first and alarm is next is utilized and the preset concentration values or the concentration change rates are utilized during the alarm.

Description

technical field [0001] The invention relates to a gas monitoring and alarming method. Background technique [0002] When the carbon monoxide concentration in the air reaches 50ppm, healthy adults can withstand it for 8 hours; when it reaches 200ppm, healthy adults will experience mild headache and fatigue after 2-3 hours; when it reaches 400ppm, healthy adults will have forehead pain within 1-2 hours, Threat to life after 3 hours; when it reaches 800ppm, healthy adults will experience dizziness, nausea, convulsions within 45 minutes, lose consciousness within 2 hours, and die within 2-3 hours; when it reaches 1600ppm, healthy adults will have headache, vertigo, Nausea, death within 1 hour; when it reaches 3200ppm, healthy adults will have headache, vertigo, nausea within 5-10 minutes, and die within 25-30 minutes; when it reaches 6400ppm, healthy adults will have headache, vertigo, nausea within 1-2 minutes, Death within 10-15 minutes; when reaching 12800ppm, healthy adults...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08B21/14
Inventor 杨如祥
Owner YANGZHOU PULAOSHI TECH DEV CO LTD
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