CN103208168A - Gas monitoring alarm method - Google Patents

Gas monitoring alarm method Download PDF

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CN103208168A
CN103208168A CN2013100497185A CN201310049718A CN103208168A CN 103208168 A CN103208168 A CN 103208168A CN 2013100497185 A CN2013100497185 A CN 2013100497185A CN 201310049718 A CN201310049718 A CN 201310049718A CN 103208168 A CN103208168 A CN 103208168A
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data
concentration value
carbon monoxide
preset concentration
concentration
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CN103208168B (en
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杨如祥
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Yangzhou city dream Water Management Co.,Ltd. Hui hit off the hatch
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杨如祥
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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

Coal gas monitoring alarm method
Technical field
The present invention relates to a kind of coal gas monitoring alarm method.
Background technology
When airborne carbonomonoxide concentration reached 50ppm, normal adults can be born 8 hours; When reaching 200ppm, after normal adults 2-3 hour, slight headache, weak; When reaching 400ppm, in normal adults 1-2 hour before metopodynia, life-threatening after 3 hours; When the 800ppm, in the normal adults 45 minutes, dim eyesight, feel sick, spasm, lose consciousness in 2 hours, dead in 2-3 hour; When reaching 1600ppm, headache in the normal adults 20 minutes, dim eyesight, feel sick, dead in 1 hour; When reaching 3200ppm, headache in normal adults 5-10 minute, dim eyesight, feel sick, dead in 25-30 minute; When reaching 6400ppm, headache in normal adults 1-2 minute, dim eyesight, feel sick death in 10-15 minute; When reaching 12800ppm, dead in normal adults 1-3 minute.The concentration of therefore monitoring indoor carbon monoxide is very necessary.
Traditional carbon monoxide gas alarm adopts single valued methods, such as, when CO concentration is to 400ppm in the air, send alarm signal.This method comes with some shortcomings, arranged as definite value low, then wrong report (such as 50ppm) easily, definite value arranges generally more than 200ppm, then reaches 50ppm when the CO concentration long period, still human body is produced harm greatly.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of coal gas monitoring alarm method that can effectively solve wrong report and fail to report problem at above-mentioned prior art.
The present invention solves the problems of the technologies described above the technical scheme that adopts: this coal gas monitoring alarm method, be used for the concentration of air carbon monoxide is monitored and alarmed, it is characterized in that: when the concentration of carbon monoxide in the air reaches the first preset concentration value, namely send early warning signal; The concentration change speed of carbon monoxide reaches when presetting rate of change when the concentration of carbon monoxide in the air reaches the second preset concentration value or in the air, namely sends alerting signal, and the second preset concentration value is greater than the first preset concentration value.
As improvement, in the said method, the concentration change speed that detects carbon monoxide in the air adopts following method:
Round-robin queue's array at first is set
Figure BSA00000853912600011
, the size of this array is n;
Every interval t time is gathered the concentration value of carbon monoxide in the primary air then, with for the first time to the data x that collects for the 5th time 0, x 1, x 2, x 3, x 4Add above-mentioned round-robin queue array
Figure BSA00000853912600026
, x 0Be the data that collect for the first time, x 1Be the data that collect for the second time, x 2Be the data that collect for the third time ... x nBe the data that collect for n time, and the 6th add above-mentioned round-robin queue array
Figure BSA00000853912600027
Data be
Figure BSA00000853912600021
The 7th adds above-mentioned round-robin queue array
Figure BSA00000853912600028
Data be
Figure BSA00000853912600022
N adds above-mentioned round-robin queue array
Figure BSA00000853912600029
Data be
Figure BSA00000853912600023
That is:
U S m = { x 0 , x 1 , x 2 , x 3 , x 4 , x 5 + x 4 + x 3 + x 2 + x 1 + x 0 6 , . . . , x n + x n - 1 + x n - 2 + x n - 3 + x n - 4 + x n - 5 6 }
And work as x N+1During generation, just whole formation is moved to left, will
Figure BSA00000853912600025
Add above-mentioned round-robin queue array
Figure BSA000008539126000210
, x 0Shift out formation, and the like;
Adopt round-robin queue
Figure BSA000008539126000211
The 1st data are the reference data in the whole formation in the array, above-mentioned round-robin queue array
Figure BSA000008539126000212
In the difference of any one data and first data namely be considered as concentration change speed, when this concentration change speed during more than or equal to default rate of change, namely send alerting signal.
When sending out early warning and alarm signal, get
Figure BSA000008539126000213
In the up-to-date data that enter formation, with the first preset concentration value and the second preset concentration value relatively, if surpass the first preset concentration value then send early warning, if surpass the second preset concentration value then send alarm signal.
The described first preset concentration value is that 45ppm～55ppm is good, and the described second preset concentration value is that 190ppm～210ppm is good, and default rate of change is that 90/60 minute～110ppm/60 minute is for good.
Compared with prior art, the invention has the advantages that: adopt classification mechanism, first early warning is reported to the police again, when using the preset concentration value during warning or concentration change speed, the effectively problem that solves wrong report and fail to report.
Description of drawings
Fig. 1 is the process flow diagram of coal gas monitoring alarm method in the embodiment of the invention.
Embodiment
Describe in further detail below in conjunction with the present invention of accompanying drawing embodiment.
Coal gas monitoring alarm method provided by the invention is used for the concentration of air carbon monoxide is monitored and alarmed, and cardinal principle is: when the concentration of carbon monoxide reaches the first preset concentration value in detecting air, namely send early warning signal; When the concentration of carbon monoxide reaches the second preset concentration value in detecting air or the concentration change speed that detects carbon monoxide in the air when reaching default rate of change, namely send alerting signal, the second preset concentration value is greater than the first preset concentration value.In the present embodiment, the described first preset concentration value is 50ppm, and the described second preset concentration value is 200ppm, and default rate of change is 100ppm/60 minute.
In the said method, the concentration change speed that detects carbon monoxide in the air adopts following method:
Round-robin queue's array at first is set
Figure BSA00000853912600036
, the size of this array is n, n is smaller or equal to 360;
Every interval t time is gathered the concentration value of carbon monoxide in the primary air then, and in the present embodiment, t is 10 seconds; x 0Be the data that collect for the first time, x 1Be the data that collect for the second time, x 2Be the data that collect for the third time ... x nBe the data that collect for n time; At first will be for the first time to the data x that collects for the 5th time 0, x 1, x 2, x 3, x 4Add above-mentioned round-robin queue array , the 6th adds above-mentioned round-robin queue array
Figure BSA00000853912600038
Data be
Figure BSA00000853912600031
The 7th adds above-mentioned round-robin queue array
Figure BSA00000853912600039
Data be
Figure BSA00000853912600032
N adds above-mentioned round-robin queue array
Figure BSA000008539126000310
Data be
Figure BSA00000853912600033
That is:
U S m = { x 0 , x 1 , x 2 , x 3 , x 4 , x 5 + x 4 + x 3 + x 2 + x 1 + x 0 6 , . . . , x n + x n - 1 + x n - 2 + x n - 3 + x n - 4 + x n - 5 6 }
And work as x N+1During generation, just whole formation is moved to left, will Add above-mentioned round-robin queue array
Figure BSA000008539126000311
Tail of the queue, with x 0Shift out formation, and the like;
Adopt round-robin queue The 1st data are the reference data in the whole formation in the array, with above-mentioned round-robin queue array
Figure BSA000008539126000313
In the difference of any one data and first data namely be considered as concentration change speed, when this concentration change speed during more than or equal to default rate of change, namely send alerting signal.
When sending out early warning and alarm signal, get
Figure BSA000008539126000314
In the up-to-date data that enter formation, with the first preset concentration value and the second preset concentration value relatively, if surpass the first preset concentration value then send early warning, if surpass the second preset concentration value then send alarm signal.

Claims (4)

1. a coal gas monitoring alarm method is used for the concentration of air carbon monoxide is monitored and alarmed, and it is characterized in that: when the concentration of carbon monoxide in the air reaches the first preset concentration value, namely send early warning signal; The concentration change speed of carbon monoxide reaches when presetting rate of change when the concentration of carbon monoxide in the air reaches the second preset concentration value or in the air, namely sends alerting signal, and the second preset concentration value is greater than the first preset concentration value.
2. coal gas according to claim 1 is monitored alarm method, it is characterized in that: the concentration change speed that detects carbon monoxide in the air adopts following method:
Round-robin queue's array at first is set , the size of this array is n;
Every interval t time is gathered the concentration value of carbon monoxide in the primary air then, with for the first time to the data x that collects for the 5th time 0, x 1, x 2, x 3, x 4Add above-mentioned round-robin queue array
Figure FSA00000853912500016
, x 0Be the data that collect for the first time, x 1Be the data that collect for the second time, x 2Be the data that collect for the third time ... x nBe the data that collect for n time, and the 6th add above-mentioned round-robin queue array Data be
Figure FSA00000853912500011
The 7th adds above-mentioned round-robin queue array
Figure FSA000008539125000110
Data be
Figure FSA00000853912500012
N adds above-mentioned round-robin queue array Data be
Figure FSA00000853912500013
That is:
U S m = { x 0 , x 1 , x 2 , x 3 , x 4 , x 5 + x 4 + x 3 + x 2 + x 1 + x 0 6 , . . . , x n + x n - 1 + x n - 2 + x n - 3 + x n - 4 + x n - 5 6 }
And work as x N+1During generation, just whole formation is moved to left, will
Figure FSA00000853912500015
Add above-mentioned round-robin queue array
Figure FSA00000853912500019
, x 0Shift out formation, and the like;
Adopt round-robin queue
Figure FSA000008539125000112
The 1st data are the reference data in the whole formation in the array, above-mentioned round-robin queue array
Figure FSA000008539125000113
In the difference of any one data and first data namely be considered as concentration change speed, when this concentration change speed during more than or equal to default rate of change, namely send alerting signal.
3. coal gas monitoring alarm method according to claim 2 is characterized in that: when sending early warning and alarm signal, get
Figure FSA000008539125000114
In the up-to-date data that enter formation, with the first preset concentration value and the second preset concentration value relatively, if surpass the first preset concentration value then send early warning, if surpass the second preset concentration value then send alarm signal.
4. coal gas according to claim 1 monitoring alarm method, it is characterized in that: the described first preset concentration value is 45ppm～55ppm, and the described second preset concentration value is 190ppm～210ppm, and default rate of change is 90/60 minute～110ppm/60 minute.
CN201310049718.5A 2013-01-31 2013-01-31 Coal gas monitoring alarm method Active CN103208168B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104574841A (en) * 2015-02-04 2015-04-29 中国科学技术大学 Safety monitoring and alarming device for survival environment of rescue personnel on forest fire scene
CN104574848A (en) * 2015-01-14 2015-04-29 深圳市欧瑞博电子有限公司 Warning method of fuel gas warning device
CN107038847A (en) * 2017-05-15 2017-08-11 天地（常州）自动化股份有限公司 A kind of Underwell stepped alarm method, equipment and system
CN110298995A (en) * 2019-06-26 2019-10-01 长春融成智能设备制造股份有限公司 The method of discrimination of poisonous gas leakage monitoring system and leak type
CN110332641A (en) * 2019-07-01 2019-10-15 苏州工业园区服务外包职业学院 A kind of gas leakage control method and device
CN111942231A (en) * 2020-07-23 2020-11-17 东风汽车集团有限公司 Protection method, hydrogen management system and protection system for hydrogen leakage vehicle
WO2021213545A1 (en) * 2020-05-29 2021-10-28 青岛海尔电冰箱有限公司 Method and device for predicting gas concentration by means of refrigerator, and refrigerator

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US5576739A (en) * 1992-06-18 1996-11-19 Phy-Con. Inc. Carbon monoxide safety system
CN101540091A (en) * 2008-03-19 2009-09-23 武光杰 Combustible gas sensing module
US20110248857A1 (en) * 2010-04-12 2011-10-13 Heath Consultants, Inc. Smart methane monitor
CN102270374A (en) * 2011-05-12 2011-12-07 山西太钢不锈钢股份有限公司 CO gas detection alarm device
CN202102575U (en) * 2011-01-27 2012-01-04 宁波永和电子有限公司 Gradable gas alarm
CN202339330U (en) * 2011-12-02 2012-07-18 成都酷玩网络科技有限公司 Monitor capable of displaying concentration of harmful gas in grading
CN202512705U (en) * 2012-03-14 2012-10-31 李超 Low power consumption carbon monoxide alarm

Patent Citations (7)

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Publication number Priority date Publication date Assignee Title
US5576739A (en) * 1992-06-18 1996-11-19 Phy-Con. Inc. Carbon monoxide safety system
CN101540091A (en) * 2008-03-19 2009-09-23 武光杰 Combustible gas sensing module
US20110248857A1 (en) * 2010-04-12 2011-10-13 Heath Consultants, Inc. Smart methane monitor
CN202102575U (en) * 2011-01-27 2012-01-04 宁波永和电子有限公司 Gradable gas alarm
CN102270374A (en) * 2011-05-12 2011-12-07 山西太钢不锈钢股份有限公司 CO gas detection alarm device
CN202339330U (en) * 2011-12-02 2012-07-18 成都酷玩网络科技有限公司 Monitor capable of displaying concentration of harmful gas in grading
CN202512705U (en) * 2012-03-14 2012-10-31 李超 Low power consumption carbon monoxide alarm

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104574848A (en) * 2015-01-14 2015-04-29 深圳市欧瑞博电子有限公司 Warning method of fuel gas warning device
CN104574841A (en) * 2015-02-04 2015-04-29 中国科学技术大学 Safety monitoring and alarming device for survival environment of rescue personnel on forest fire scene
CN107038847A (en) * 2017-05-15 2017-08-11 天地（常州）自动化股份有限公司 A kind of Underwell stepped alarm method, equipment and system
CN110298995A (en) * 2019-06-26 2019-10-01 长春融成智能设备制造股份有限公司 The method of discrimination of poisonous gas leakage monitoring system and leak type
CN110332641A (en) * 2019-07-01 2019-10-15 苏州工业园区服务外包职业学院 A kind of gas leakage control method and device
WO2021213545A1 (en) * 2020-05-29 2021-10-28 青岛海尔电冰箱有限公司 Method and device for predicting gas concentration by means of refrigerator, and refrigerator
CN111942231A (en) * 2020-07-23 2020-11-17 东风汽车集团有限公司 Protection method, hydrogen management system and protection system for hydrogen leakage vehicle

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Effective date of registration: 20191204

Address after: 511300, Guangdong Province, Guangzhou Town, Zengcheng District, Xintang friendship Street, No. 1 (office building) 10 floor 12F room

Patentee after: Guangzhou Sazhe Electronic Technology Co., Ltd.

Address before: Jiangdong District Siyanqi street 315040 Zhejiang city in Ningbo Province, 15 Lane 2, room 1802

Patentee before: Yang Ruxiang

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Effective date of registration: 20191217

Address after: 314200 No. 168 Changsheng Road, Jiaxing, Zhejiang, Pinghu

Patentee after: Zhejiang Proportional Polymerization Technology Co., Ltd.

Address before: 511300, Guangdong Province, Guangzhou Town, Zengcheng District, Xintang friendship Street, No. 1 (office building) 10 floor 12F room

Patentee before: Guangzhou Sazhe Electronic Technology Co., Ltd.

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Address before: 314200 No. 168 Changsheng Road, Jiaxing, Zhejiang, Pinghu

Patentee before: ZHEJIANG PROPORTIONAL POLYMER TECHNOLOGY Co.,Ltd.