CN101751749A - Alarming method of flammable gas, device and equipment - Google Patents

Alarming method of flammable gas, device and equipment Download PDF

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Publication number
CN101751749A
CN101751749A CN200810241395A CN200810241395A CN101751749A CN 101751749 A CN101751749 A CN 101751749A CN 200810241395 A CN200810241395 A CN 200810241395A CN 200810241395 A CN200810241395 A CN 200810241395A CN 101751749 A CN101751749 A CN 101751749A
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China
Prior art keywords
early warning
warning threshold
threshold values
gas
current environment
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Pending
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CN200810241395A
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Chinese (zh)
Inventor
张国元
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Shenzhen Longhorn Security and Technology Co Ltd
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Shenzhen Longhorn Security and Technology Co Ltd
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Priority to CN200810241395A priority Critical patent/CN101751749A/en
Publication of CN101751749A publication Critical patent/CN101751749A/en
Pending legal-status Critical Current

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Abstract

The invention belongs to the security technical field and provides an alarming method of flammable gas, a device and equipment; the method comprises the following steps: early warning threshold value corresponding to the flammable gas concentration value under unusual condition is obtained; the obtained early warning threshold value is stored; the flammable gas in the present environment is obtained when the flammable gas is detected; according to the stored early warning threshold value, the flammable gas under the present environment is analyzed, when the alarming condition of the early warning threshold value is met, the alarming is carried. In the invention, the early warning threshold value corresponding to the gas concentration value under unusual condition is stored, the flammable gas under the present environment is analyzed according to the stored early warning threshold value when the flammable gas under the present environment is detected, if the flammable gas under the present environment is accordance to the alarming condition corresponding to the early warning threshold value, so as to carry out alarming, be capable of setting the early warning threshold value scientifically and automatically, improve the alarming accuracy, greatly eliminate the unnecessary safety hazards and completely eradicate the safety hazards.

Description

A kind of alarm method of inflammable gas, device and equipment
Technical field
The invention belongs to technical field of security and protection, relate in particular to a kind of alarm method, device and equipment of inflammable gas.
Background technology
Along with improving constantly of people's awareness of safety, the user is also more and more higher to the requirement of security product.
In the gas-monitoring field, combustible gas probe is because of its technology maturation, with low cost, stable performance, and is subjected to users' welcome deeply.
The ultimate principle of combustible gas probe is the extraneous gas concentration information of induction, converts it into the correspondent voltage signal amplitude, and relatively realizes the purpose of reporting to the police with alarm default voltage signal amplitude under nominal concentration.
Combustible gas probe generally adopts semiconductor gas sensor, and such gas sensor is made up of heating electrode, output electrode and the sensitive material body that is coated on therebetween.Heating electrode is a combination spun gold winding, has extremely low conductivity.With the coated formation detecting electrode of drawing again thereon of gas sensitive.The heating of this sensitive material body can with inflammable gas molecule generation chemical reaction, thereby change the sensitive material bulk conductivity, therefore, add electric field at sensitive material body two ends, can obtain an output voltage with the proportional relation of gas concentration in output electrode, this voltage is sent into testing circuit after level is handled later can realize the purpose of reporting to the police.
In specific implementation process, warning must preestablish a suitable reference value and periodic calibration.How setting reference value exactly becomes enterprise and produces a difficult problem in the debugging of gas sense detector.
In the prior art, some small business are because technical equipment difference is uneven, and directly rule of thumb is set and produced, and has the factory of scale still to keep away the classic method that alarm set point is regulated in unavoidable employing manually.The method of more than setting alarm set point must cause factory setting alarming value difference big, the shortcoming of consistance difference, and wrong report does not report probability to increase, and has bigger potential safety hazard.
Summary of the invention
The object of the present invention is to provide a kind of alarm method of inflammable gas, be intended to science, set the early warning threshold values automatically, improve the accuracy rate of reporting to the police, farthest eliminate safe hidden trouble.
The embodiment of the invention is achieved in that a kind of alarm method of inflammable gas, and described method comprises the steps:
Obtain the early warning threshold values of the combustable gas concentration value correspondence under unusual condition;
With described a plurality of early warning threshold values storages of obtaining;
When carrying out the detection of inflammable gas, obtain the inflammable gas of current environment;
Early warning threshold values according to storage is analyzed the inflammable gas of current environment, when meeting the alert if of early warning threshold values, reports to the police.
Another purpose of the embodiment of the invention is to provide a kind of warning device of inflammable gas, and described device comprises:
Early warning threshold values acquiring unit is used to obtain the early warning threshold values of the combustable gas concentration value correspondence under unusual condition;
Early warning threshold values storage unit is used for a plurality of early warning threshold values storages of obtaining described;
Current environment gas acquiring unit is used for obtaining the inflammable gas of current environment when carrying out the detection of inflammable gas;
The current environment gas analysis unit is used for according to the early warning threshold values of storage the inflammable gas of current environment being analyzed;
Alarm unit is used for reporting to the police when described current environment gas analysis unit analysis current environment gas meets the alert if of early warning threshold values.
Another purpose of the embodiment of the invention is to provide a kind of panalarm of inflammable gas, and described equipment comprises the warning device of an inflammable gas, and described device comprises:
Early warning threshold values acquiring unit is used to obtain the early warning threshold values of the combustable gas concentration value correspondence under unusual condition;
Early warning threshold values storage unit is used for a plurality of early warning threshold values storages of obtaining described;
Current environment gas acquiring unit is used for obtaining the inflammable gas of current environment when carrying out the detection of inflammable gas;
The current environment gas analysis unit is used for according to the early warning threshold values of storage the inflammable gas of current environment being analyzed;
Alarm unit is used for reporting to the police when described current environment gas analysis unit analysis current environment gas meets the alert if of early warning threshold values.
The embodiment of the invention is by storing the early warning threshold values of the combustable gas concentration value correspondence under the unusual condition, when detecting the gas of current environment, early warning threshold values according to storage is analyzed current environment gas, if current environment gas meets the alert if of early warning threshold values correspondence, report to the police, can science, set the early warning threshold values automatically, improve the accuracy of reporting to the police, eliminated unnecessary potential safety hazard greatly.
Description of drawings
Fig. 1 is the realization flow figure of the alarm method of inflammable gas provided by the invention;
Fig. 2 is the structural drawing of the warning device of inflammable gas provided by the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The embodiment of the invention is by storing the early warning threshold values of the combustable gas concentration value correspondence under the unusual condition, when detecting the gas of current environment, early warning threshold values according to storage is analyzed current environment gas, if current environment gas meets the alert if of early warning threshold values correspondence, reports to the police.
Fig. 1 shows the realization flow of the alarm method of inflammable gas provided by the invention, and details are as follows.
In step S101, obtain the early warning threshold values of the combustable gas concentration value correspondence under unusual condition.
Described unusual condition is an alarm condition.
In step S102, with described a plurality of early warning threshold values storages of obtaining.
In step S103, when carrying out the detection of inflammable gas, obtain the inflammable gas of current environment.
In step S104, according to the early warning threshold values of storage the inflammable gas of current environment is analyzed, judge whether the concentration of current gas meets alert if, when meeting the alert if of early warning threshold values, carry out step S105, otherwise carry out step S103.
In specific implementation process, at first obtain the concentration value of current environment inflammable gas, calculate the early warning threshold values of current environment combustable gas concentration value correspondence, the early warning threshold values that calculates and the early warning threshold values of described storage are compared, judge whether the concentration of current environment inflammable gas meets alert if.
In step S105, report to the police.
The embodiment of the invention has scientifically solved the difficult problem in the combustible gas probe production debugging of security protection enterprise, can improve the automaticity of enterprise's combustible gas probe product line, save human cost, can effectively improve enterprises production efficiency, the embodiment of the invention also all has great importance for the quality and the product competitiveness that improve enterprise product.
The embodiment of the invention also provides a kind of warning device of inflammable gas, see also Fig. 2, described device comprises early warning threshold values acquiring unit 21, early warning threshold values storage unit 22, current environment gas acquiring unit 23, current environment gas analysis unit 24 and alarm unit 25.
Wherein, early warning threshold values acquiring unit 21 obtains the early warning threshold values of the combustable gas concentration value correspondence under unusual condition.
Preferably, described unusual condition is an alarm condition.
A plurality of early warning threshold values storages that early warning threshold values storage unit 22 is obtained described early warning threshold values acquiring unit 21.
When carrying out the detection of inflammable gas, current environment gas acquiring unit 23 obtains the inflammable gas of current environment.
Current environment gas analysis unit 24 is analyzed the inflammable gas of current environment according to the early warning threshold values of storage, wherein, described current environment gas analysis unit 24 specifically comprises gas concentration value acquiring unit 241, early warning threshold values computing unit 242 and early warning threshold values contrast unit 243:
Gas concentration value acquiring unit 241 obtains the concentration value of current environment inflammable gas;
The early warning threshold values of the current environment combustable gas concentration value correspondence that the described gas concentration value acquiring unit 241 of early warning threshold values computing unit 242 calculating obtains;
Early warning threshold values contrast unit 243 compares the early warning threshold values that calculates and the early warning threshold values of described storage, judges whether the current environment combustable gas concentration meets alert if.
When described current environment gas analysis unit 24 analysis current environment inflammable gass met the alert if of early warning threshold values, alarm unit 25 was reported to the police.
The embodiment of the invention also provides a kind of panalarm of inflammable gas, and this gas detector comprises the warning device of the inflammable gas that the embodiment of the invention provides, and the detailed description in view of above having about the warning device of this inflammable gas repeats no more herein.
The embodiment of the invention is by storing the early warning threshold values of the gas concentration value correspondence under the unusual condition, when detecting the gas of current environment, early warning threshold values according to storage is analyzed current environment gas, if current environment gas meets the alert if of early warning threshold values correspondence, report to the police, can science, set the early warning threshold values automatically, improve the accuracy of reporting to the police, eliminated unnecessary potential safety hazard greatly.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. the alarm method of an inflammable gas is characterized in that, described method comprises the steps:
Obtain the early warning threshold values of the combustable gas concentration value correspondence under unusual condition;
With described early warning threshold values storage of obtaining;
When carrying out the detection of inflammable gas, obtain the inflammable gas of current environment;
Early warning threshold values according to storage is analyzed the inflammable gas of current environment, when meeting the alert if of early warning threshold values, reports to the police.
2. the alarm method of inflammable gas as claimed in claim 1 is characterized in that, the described step of obtaining the early warning threshold values of the combustable gas concentration value correspondence under unusual condition is:
Obtain the early warning threshold values of the combustable gas concentration value correspondence under alarm condition.
3. the alarm method of inflammable gas as claimed in claim 1 is characterized in that, the described step of the inflammable gas of current environment being analyzed according to the early warning threshold values of storage specifically comprises:
Obtain the concentration value of the inflammable gas of current environment;
Calculate the early warning threshold values of the combustable gas concentration value correspondence of current environment;
The early warning threshold values that calculates and the early warning threshold values of storage are compared.
4. the warning device of an inflammable gas is characterized in that, described device comprises:
Early warning threshold values acquiring unit is used to obtain the early warning threshold values of the combustable gas concentration value correspondence under unusual condition;
Early warning threshold values storage unit is used for the early warning threshold values storage that described early warning threshold values acquiring unit is obtained;
Current environment gas acquiring unit is used for obtaining the inflammable gas of current environment when carrying out the detection of inflammable gas;
The current environment gas analysis unit is used for according to the early warning threshold values of storage the inflammable gas of current environment being analyzed;
Alarm unit is used for reporting to the police when the inflammable gas of described current environment gas analysis unit analysis current environment meets the alert if of early warning threshold values.
5. the warning device of inflammable gas as claimed in claim 4 is characterized in that, described early warning threshold values acquiring unit obtains the early warning threshold values of the combustable gas concentration value correspondence under alarm condition.
6. the warning device of inflammable gas as claimed in claim 4 is characterized in that, described current environment gas analysis unit specifically comprises:
The gas concentration value acquiring unit is used to obtain the concentration value of the inflammable gas of current environment;
Early warning threshold values computing unit is used to calculate the early warning threshold values of the current environment gas concentration value correspondence that described gas concentration value acquiring unit obtains;
Early warning threshold values contrast unit is used for the early warning threshold values that will calculate and the early warning threshold values of described storage and compares.
7. the panalarm of an inflammable gas is characterized in that, described equipment comprises the warning device of an inflammable gas, and described device comprises:
Early warning threshold values acquiring unit is used to obtain the early warning threshold values of the combustable gas concentration value correspondence under unusual condition;
Early warning threshold values storage unit is used for a plurality of early warning threshold values storages that described early warning threshold values acquiring unit is obtained;
Current environment gas acquiring unit is used for obtaining the inflammable gas of current environment when carrying out the detection of inflammable gas;
The current environment gas analysis unit is used for according to the early warning threshold values of storage the inflammable gas of current environment being analyzed;
Alarm unit is used for reporting to the police when described current environment gas analysis unit analysis current environment gas meets the alert if of early warning threshold values.
8. the panalarm of inflammable gas as claimed in claim 7 is characterized in that, described early warning threshold values acquiring unit obtains the early warning threshold values of the combustable gas concentration value correspondence under alarm condition.
9. the panalarm of inflammable gas as claimed in claim 7 is characterized in that, described current environment gas analysis unit step comprises:
The gas concentration value acquiring unit is used to obtain the concentration value of the inflammable gas of current environment;
Early warning threshold values computing unit is used to calculate the early warning threshold values of the combustable gas concentration value correspondence of current environment;
Early warning threshold values contrast unit is used for the early warning threshold values that will calculate and the early warning threshold values of described storage and compares.
10. the panalarm of inflammable gas as claimed in claim 7 is characterized in that, described panalarm is a combustible gas probe.
CN200810241395A 2008-12-22 2008-12-22 Alarming method of flammable gas, device and equipment Pending CN101751749A (en)

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Application Number Priority Date Filing Date Title
CN200810241395A CN101751749A (en) 2008-12-22 2008-12-22 Alarming method of flammable gas, device and equipment

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Application Number Priority Date Filing Date Title
CN200810241395A CN101751749A (en) 2008-12-22 2008-12-22 Alarming method of flammable gas, device and equipment

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102455335A (en) * 2010-10-18 2012-05-16 淮南矿业(集团)有限责任公司 Method for automatically detecting abnormity of gas concentration, and detection system
CN104534285A (en) * 2014-12-26 2015-04-22 福建智恒电子新技术有限公司 Energy consumption anomaly monitoring method and device
CN104574849A (en) * 2015-01-14 2015-04-29 深圳市欧瑞博电子有限公司 Method for setting threshold value of fuel gas warning device
CN104847410A (en) * 2015-04-14 2015-08-19 四川天微电子有限责任公司 Mine comprehensive intelligent gas detection early warning method and system
WO2016058372A1 (en) * 2014-10-14 2016-04-21 中兴通讯股份有限公司 Gas detection early warning method, device and system and computer storage medium
CN109215297A (en) * 2018-11-13 2019-01-15 珠海任驰光电科技有限公司 A kind of time-sharing multiplex optical fiber flammable gas alarm device and method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102455335A (en) * 2010-10-18 2012-05-16 淮南矿业(集团)有限责任公司 Method for automatically detecting abnormity of gas concentration, and detection system
WO2016058372A1 (en) * 2014-10-14 2016-04-21 中兴通讯股份有限公司 Gas detection early warning method, device and system and computer storage medium
CN105572300A (en) * 2014-10-14 2016-05-11 中兴通讯股份有限公司 Gas detection early-warning method, device and system
CN104534285A (en) * 2014-12-26 2015-04-22 福建智恒电子新技术有限公司 Energy consumption anomaly monitoring method and device
CN104534285B (en) * 2014-12-26 2017-02-22 福建智恒电子新技术有限公司 Energy consumption anomaly monitoring method and device
CN104574849A (en) * 2015-01-14 2015-04-29 深圳市欧瑞博电子有限公司 Method for setting threshold value of fuel gas warning device
CN104847410A (en) * 2015-04-14 2015-08-19 四川天微电子有限责任公司 Mine comprehensive intelligent gas detection early warning method and system
CN109215297A (en) * 2018-11-13 2019-01-15 珠海任驰光电科技有限公司 A kind of time-sharing multiplex optical fiber flammable gas alarm device and method

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Application publication date: 20100623