CN102455335A - Method for automatically detecting abnormity of gas concentration, and detection system - Google Patents
Method for automatically detecting abnormity of gas concentration, and detection system Download PDFInfo
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- CN102455335A CN102455335A CN2010105179607A CN201010517960A CN102455335A CN 102455335 A CN102455335 A CN 102455335A CN 2010105179607 A CN2010105179607 A CN 2010105179607A CN 201010517960 A CN201010517960 A CN 201010517960A CN 102455335 A CN102455335 A CN 102455335A
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Abstract
The invention provides a method for automatically detecting abnormity of the gas concentration, and a detection system. The method comprises the following steps of: acquiring a first value of the gas concentration in a monitored region; comparing the first value with a preset value of the gas concentration in the monitored region to acquire a ratio of the first value to the preset value; and judging whether the gas concentration in the monitored region is in accordance with an abnormal condition according to the first value and the ratio, and sending an alarm signal for marking the abnormity of the gas concentration in the monitored region if the gas concentration in the monitored region is in accordance with an abnormal condition. By the method, functions of automatic and real-time monitoring are realized; meanwhile, the cost is reduced, and the detection efficiency is improved.
Description
Technical field
The present invention relates to the detection technique of gas concentration in the colliery, relate in particular to a kind of method and detection system of automatic detected gas concentration abnormality.
Background technology
At present; Raising along with the Coal Production ability; Down-hole coal bed production area enlarges gradually, and roadway distance is elongated, phenomenons such as operating location dispersion, operating environment complicacy occur; Be prone to cause fire damp concentration or CO excessive concentration to have an accident, and then had a strong impact on the production safety in colliery and operating personnel's life security thereof.For avoiding the generation of above-mentioned accident as far as possible, industry adopts supervisory system that the gas density or the CO concentration of getting working face in each production area are monitored, so that in time grasp the safety case of each production area.Generally; Supervisory system is the gas density of gathering in the current getting working face; The gas density alarming value of itself and national regulation is compared; When the gas density in the getting working face reaches gas density alarming value (as in coal mining, gas density is no more than 1.0% in the regulation getting working face), send alerting signal, and then make relevant operating personnel in time take outburst prevention measures this production area.
In the process of coal mining of reality; Above-mentioned supervisory system is little for the effect that prevents the mine safety incidents; Its main cause be most coal mining accident be since in the getting working face of production area the ANOMALOUS VARIATIONS of gas density or CO concentration cause that and this supervisory system can't detect the ANOMALOUS VARIATIONS of gas density or CO concentration.
Detect gas density or CO concentration abnormality in the prior art and mainly be through the gas density of gathering in each monitored district of manual analysis or the data of CO concentration; And then judge whether gas density or CO concentration in each monitored district take place unusually, so that get rid of because the danger that gas density or CO concentration abnormality possibly cause.Yet there be consuming time taking a lot of work in this manual detection method, and can't realize shortcomings such as detection in real time, and it can't be promoted the use of.In view of the above problems, how to realize that in each production area the ANOMALOUS VARIATIONS of monitoring gas density or CO concentration in real time becomes the current technical issues that need to address.
Summary of the invention
For addressing the above problem, the present invention provides a kind of and can save cost and realize the method for the automatic detected gas concentration abnormality of monitoring in real time, and this method comprises:
Gather first numerical value of gas concentration in the monitored district;
The preset value of gas concentration in said first numerical value and the said monitored district is compared, obtain the ratio of said first numerical value and said preset value;
According to said first numerical value and said ratio, judge whether the gas concentration in the said monitored district reaches exception condition, if reach, then send and be used to identify the unusual alerting signal of gas concentration in the said monitored district.
According to a further aspect in the invention, the present invention also provides a kind of detection system, and this detection system comprises,
The gas concentration acquisition module is used to gather first numerical value of gas concentration in the monitored district;
Processing module is used for the preset value of gas concentration in said first numerical value and the said monitored district is compared, and obtains the ratio of said first numerical value and said preset value;
Alarm module is used for according to said first numerical value and said ratio, judges whether the gas concentration in the said monitored district reaches exception condition, if reach, then sends and is used to identify the unusual alerting signal of gas concentration in the said monitored district.
Adopt the method and the detection system of automatic detected gas concentration abnormality provided by the invention, can realize detecting automatically and can realizing monitoring in real time the abnormal conditions of the interior gas (like gas density or CO concentration) of getting working face in each production area.Simultaneously, the method for this automatic detected gas concentration abnormality can be saved the cost of manual detection of the prior art, and has improved efficient and the degree of accuracy that detects dense abnormality degree of gas or CO concentration abnormality.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply; Obviously, the accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the process flow diagram that is used for automatic detected gas concentration abnormality embodiment of the present invention;
Fig. 2 is the structural representation of detection system embodiment of the present invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer; To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, intactly description; Obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The method of automatic detected gas concentration abnormality provided by the invention mainly is that the ANOMALOUS VARIATIONS of gas concentration in the monitored district is reported to the police.When the variation of gas concentration in a certain monitored district reaches the scope of exception condition, send and be used to identify the unusual alerting signal of gas concentration in the said monitored district, make relevant operating personnel can take outburst prevention measures timely.Method of the present invention can be applied to each production area, so that realize monitoring in real time.
With reference to shown in Figure 1, Fig. 1 shows the process flow diagram that is used for automatic detected gas concentration abnormality embodiment of the present invention.This method mainly may further comprise the steps:
Step 101: first numerical value of gathering gas concentration in the monitored district.
In the present embodiment; First numerical value of gas concentration can periodically be gathered through the gas sensor that is arranged in the monitored district; Mostly the gas of mentioning in the present embodiment is to detect toxic gas, in Coal Production, detects gas density or the variation of CO concentration abnormality etc.Gas density in the wherein monitored district or CO concentration are gas density or the CO concentration in the getting working face in the production area.Generally; The cycle of gathering gas density in the monitored district is 30 seconds; Can be made as five seconds, ten seconds or 20 seconds etc. in the present embodiment cycle of first numerical value of gas density in the monitored district of continuous acquisition, the cycle of perhaps gathering can be made as the arbitrary value between a second to 30 seconds; In like manner, the acquisition time of other gases (like CO) etc. can be selected from the arbitrary value between a second to 30 seconds.
Step 102: the preset value of gas concentration in said first numerical value and the said monitored district is compared, obtain the ratio of said first numerical value and said preset value.
Step 103: according to said first numerical value and said ratio; Judge whether the gas concentration in the said monitored district reaches exception condition, if reach, then send and be used to identify the unusual alerting signal of gas concentration in the said monitored district; If do not reach, then be left intact.
Particularly; Exception condition in the present embodiment can be: first numerical value of the gas concentration of gathering in the monitored district is more than or equal to preset Cmin value (being Min. value or low alarm limit), and the ratio of this first numerical value and preset value is more than or equal to setting value.Generally speaking, when gas was gas, setting value can be numerical value 2 or 1.5.Its setting value can be set according to the getting working face in the colliery of reality.For example predefined preset value is 0.2%, and the Cmin value is 0.4%; If first numerical value in the monitored district of gathering is 0.6%; Then this first numerical value is greater than Cmin 0.4%; And the ratio of first numerical value and preset value is greater than 2, so the gas density in the said monitored district has reached exception condition, sends the alerting signal that is used to identify gas concentration abnormality in the said monitored district; And then make relevant operating personnel know that the gas density in the getting working face takes place unusually in this production area, so that effectively take outburst prevention measures.
In addition, this exception condition also can be set at: in said monitored district, the ratio that two said first numerical value of continuous acquisition obtain respectively is all more than or equal to setting value (setting value is preferably 2), and these two first numerical value are all more than or equal to the Cmin value; Perhaps, the ratio that three said first numerical value of continuous acquisition obtain respectively is all more than or equal to setting value (setting value is preferably 2), and these three first numerical value are all more than or equal to the Cmin value.Should be appreciated that further that the exception condition in each monitored district can be different, also can be made as more than or equal to 3 like the ratio of first numerical value and preset value, or other ratio.In addition, above-mentioned preset Cmin value is less than gas concentration alarming value (in the coal mining industry, gas density is no more than 1.0% in the regulation getting working face, and the gas density alarming value is 1.0 usually).The purpose that the Cmin value is set in the present embodiment is used to prevent irrational abnormal alarm in the monitored district; Promptly the ratio of first numerical value in the monitored district of gathering and preset value is greater than setting value; But this first numerical value is during less than the Cmin value; Do not send to the unusual alerting signal of gas concentration in this monitored district, its possible cause is because the gas concentration in this monitored district is far smaller than the gas concentration alarming value, and then the operation in the monitored district is not constituted danger.Generally speaking, this Cmin value can be made as 0.3 or 0.5 etc.The setting of above-mentioned exception condition provides by way of example, and present embodiment does not limit this.
Further, the method for the automatic detected gas concentration abnormality in the present embodiment also comprises: if do not send said alerting signal according to said first numerical value of gathering, then with this first value storage in first database; If said first numerical value according to gathering has sent said alerting signal, then with this first value storage in second database.At this moment, above-mentioned preset value can be the mean value of all numerical value of storing in said first database, perhaps can be in first database with the monitored district of gathering in the numerical value of gas concentration interval time the shortest (time of gathering first numerical value at interval).In actual detection, preset value also can be in first database mean value of (as one hour) in the section sometime, and this preset value also can be made as 1/4th of gas concentration alarming value, is 1.0 like the gas density alarming value, and preset value can be 0.25 etc.Certainly, the preset value in the present embodiment is the numerical value less than the gas concentration alarming value.
Preferably, the alerting signal in the present embodiment can be acoustical signal, light signal or sound and light signal.
The method of above-mentioned automatic detected gas concentration abnormality can improve in the colliery efficient and the degree of accuracy that detects gas density or CO concentration abnormality, and saves the cost of gas density in the monitored district of manual detection or CO concentration abnormality.
The present invention also provides a kind of detection system of automatic detected gas concentration abnormality; With reference to shown in Figure 2; Fig. 2 shows the structural representation of detection system embodiment of the present invention, and this detection system mainly comprises: gas concentration acquisition module 201, processing module 202 and alarm module 203.
Wherein, gas concentration acquisition module 201 is used to gather first numerical value of gas concentration in the monitored district.In the present embodiment, gas can be gas or CO, and preferably adopts gas sensor periodically to gather gas density or the CO concentration in the getting working face in each production area, certainly, a plurality of gas sensors also can be set in getting working face gather respectively.Need to prove, before the gas concentration in gathering monitored district, need each gas sensor is carried out verification respectively.
Preferably, this processing module 202 can comprise first database and second database, and this first database is the set of not sending first numerical value of alerting signal, and second database is for sent the set of first numerical value of alerting signal.This first database and second database preferably use SQL SERVER 2000 Database Systems, so that each numerical value in this first database and second database can be derived with textual form.
Further; In the Coal Production process of reality; What the operating personnel used is the application program of monitor data abnormity early warning system; Said monitor data abnormity early warning system also can comprise the client of a plurality of long-range joint detection system, establishes special-purpose communication channel between this monitor data abnormity early warning system and each client, like vpn routers etc.; Said monitor data abnormity early warning system can and be sent to client with the data storage of automatic detected gas concentration abnormality, and client is checked the real time data and the historical record of gas concentration in the monitored district through remote access monitor data abnormity early warning system.Perhaps, client is long-range to read the unusual data of gas concentration in the said monitor data abnormity early warning system, and sends and be used to identify the unusual alerting signal of gas concentration in the said monitored district.Client is checked above-mentioned first database or second database through remote access monitor data abnormity early warning system; Also can needed various data be derived; (as deriving the file of EXCEL form), in time the unusual monitored district of gas concentration is taked outburst prevention measures effectively with the convenient working personnel.Monitor data abnormity early warning system in the present embodiment is the ANOMALOUS VARIATIONS of detected gas concentration automatically, has overcome defective of the prior art.
The foregoing description is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (10)
1. the method for an automatic detected gas concentration abnormality is characterized in that, this method comprises:
Gather first numerical value of gas concentration in the monitored district;
The preset value of gas concentration in said first numerical value and the said monitored district is compared, obtain the ratio of said first numerical value and said preset value;
According to said first numerical value and said ratio, judge whether the gas concentration in the said monitored district reaches exception condition, if reach, then send and be used to identify the unusual alerting signal of gas concentration in the said monitored district.
2. the method for automatic detected gas concentration abnormality according to claim 1 is characterized in that, said exception condition is said first numerical value more than or equal to preset Cmin value, and said ratio is more than or equal to setting value.
3. the method for automatic detected gas concentration abnormality according to claim 1 is characterized in that, first numerical value of gas concentration is in the monitored district of said collection:
In said monitored district, periodically gather first numerical value of the gas concentration in the said monitored district, wherein, the cycle of collection is the arbitrary value between a second to 30 seconds.
4. the method for automatic detected gas concentration abnormality according to claim 3 is characterized in that, said exception condition is:
In said monitored district, the ratio that two said first numerical value of continuous acquisition obtain respectively is all more than or equal to setting value, and these two first numerical value are all more than or equal to the Cmin value;
Perhaps, the ratio that three said first numerical value of continuous acquisition obtain respectively is all more than or equal to setting value, and these three first numerical value are all more than or equal to the Cmin value.
5. according to the method for claim 2 or 4 described automatic detected gas concentration abnormalities, it is characterized in that said setting value is 1.5 or 2.
6. the method for automatic detected gas concentration abnormality according to claim 1 is characterized in that, said method also comprises:
If said first numerical value according to gathering does not send said alerting signal, then with this first value storage in first database;
If said first numerical value according to gathering has sent said alerting signal, then with this first value storage in second database.
7. the method for automatic detected gas concentration abnormality according to claim 6 is characterized in that, said preset value is the mean value of all numerical value of storing in said first database.
8. according to the method for claim 1,2,3,4,6 or 7 described automatic detected gas concentration abnormalities, it is characterized in that said gas is gas or CO.
9. a detection system is characterized in that, this detection system comprises:
The gas concentration acquisition module is used to gather first numerical value of gas concentration in the monitored district;
Processing module is used for the preset value of gas concentration in said first numerical value and the said monitored district is compared, and obtains the ratio of said first numerical value and said preset value;
Alarm module is used for according to said first numerical value and said ratio, judges whether the gas concentration in the said monitored district reaches exception condition, if reach, then sends and is used to identify the unusual alerting signal of gas concentration in the said monitored district.
10. detection system according to claim 9 is characterized in that, said gas concentration acquisition module is a gas sensor.
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| CN2010105179607A CN102455335A (en) | 2010-10-18 | 2010-10-18 | Method for automatically detecting abnormity of gas concentration, and detection system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103543178A (en) * | 2013-10-25 | 2014-01-29 | 深圳市戴维莱实业有限责任公司 | Method for improving measurement precision of semiconductor carbon monoxide sensor |
| CN105301195A (en) * | 2015-10-30 | 2016-02-03 | 桂林市腾瑞电子科技有限公司 | Method and system for detecting gas |
| CN106096633A (en) * | 2016-06-05 | 2016-11-09 | 丁旭秋 | coal mine gas concentration measuring method |
| CN106226478A (en) * | 2016-08-09 | 2016-12-14 | 成都润泰茂成科技有限公司 | A kind of wireless gas measure and control device |
| CN112763662A (en) * | 2020-12-29 | 2021-05-07 | 精英数智科技股份有限公司 | Method for identifying data abnormity of gas sensor and related device |
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| CN101719299A (en) * | 2009-11-10 | 2010-06-02 | 天津市浦海新技术有限公司 | Alarm system and method for fire and combustible gas |
| CN101751749A (en) * | 2008-12-22 | 2010-06-23 | 深圳市豪恩安全科技有限公司 | Alarming method of flammable gas, device and equipment |
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| CN1130423A (en) * | 1994-07-01 | 1996-09-04 | 米利波尔投资公司 | Differential gas sensing in-line monitoring system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543178A (en) * | 2013-10-25 | 2014-01-29 | 深圳市戴维莱实业有限责任公司 | Method for improving measurement precision of semiconductor carbon monoxide sensor |
| CN103543178B (en) * | 2013-10-25 | 2017-05-03 | 深圳市戴维莱实业有限责任公司 | Method for improving measurement precision of semiconductor carbon monoxide sensor |
| CN105301195A (en) * | 2015-10-30 | 2016-02-03 | 桂林市腾瑞电子科技有限公司 | Method and system for detecting gas |
| CN106096633A (en) * | 2016-06-05 | 2016-11-09 | 丁旭秋 | coal mine gas concentration measuring method |
| CN106226478A (en) * | 2016-08-09 | 2016-12-14 | 成都润泰茂成科技有限公司 | A kind of wireless gas measure and control device |
| CN112763662A (en) * | 2020-12-29 | 2021-05-07 | 精英数智科技股份有限公司 | Method for identifying data abnormity of gas sensor and related device |
| CN112763662B (en) * | 2020-12-29 | 2023-08-22 | 精英数智科技股份有限公司 | Gas sensor data abnormality identification method and related device |
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Application publication date: 20120516 |