CN105486807A - Method for analyzing hidden safety trouble of dangerous chemical gas - Google Patents
Method for analyzing hidden safety trouble of dangerous chemical gas Download PDFInfo
- Publication number
- CN105486807A CN105486807A CN201510829741.5A CN201510829741A CN105486807A CN 105486807 A CN105486807 A CN 105486807A CN 201510829741 A CN201510829741 A CN 201510829741A CN 105486807 A CN105486807 A CN 105486807A
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- gas concentration
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- time period
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000008447 perception Effects 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000012417 linear regression Methods 0.000 claims description 24
- 238000004458 analytical method Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 abstract 1
- 238000000611 regression analysis Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 78
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000012913 prioritisation Methods 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
- G01N33/0067—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display by measuring the rate of variation of the concentration
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention relates to the technical field of dangerous chemical gas safety management, and especially relates to a method for analyzing the hidden safety trouble of a dangerous chemical gas. The method comprises the following steps: a dangerous chemical gas sensor uploads a measured dangerous chemical gas concentration to a dangerous chemical gas perception data processing server, and the dangerous chemical gas perception data processing server carries out a linearity regression analysis process on dangerous chemical gas concentrations collected in a period of time to predict the hidden safety trouble of the dangerous chemical gas in the installation place of the dangerous chemical gas sensor. The dangerous chemical gas concentration measured by the dangerous chemical gas sensor is regularly analyzed to predict the possible hidden safety trouble, so distrust of relevant personnel to alarm due to frequent alarm is overcome, the hidden safety trouble detection precision is improved, and the hidden safety trouble control cost is reduced.
Description
Technical field
The present invention relates to the safety management technology field of dangerization gas, particularly relate to a kind of analytical approach of danger gas potential safety hazard.
Background technology
Existing dangerization gas sensing system, all only just can circulate a notice of when dangerization gas concentration exceedes alarm concentration value, but many potential safety hazards can be out analyzed when low concentration, for combustion gas, old or the small rhegma of most gas pipeline brings faint combustion gas to leak, its concentration is usually less than 10%LEL, even also lower than the incomplete concentration of gas combustion when cooking, as the sample record that Fig. 2 is certain kitchen gas concentration one day, as can be seen from Figure 2, most sample records shows the gas concentration that records between 200ppm ~ 600ppm, sometimes because gas combustion is not exclusively increased between 600ppm ~ 1200ppm, just circulate a notice of because almost gas concentration exceedes warning value 5000ppm, so, such low-concentration fuel survival phenomenon can not known to user, such low concentration be likely be safe from harm (such as gas cylinder is placed on confined space, gas combustion not exclusively accumulated), also be likely have harm (such as gas pipeline has and slightly corrodes, progressively can expand scope of corroding).If the hidden danger possible in order to these and reduce alarm concentration value, cause usually alarm, related personnel can be caused for the distrust of this alarm.Therefore, should when there being dangerization gas to have leakage tendency, early warning ahead of time also processes, and reduces the risk that disaster may occur.
Summary of the invention
The object of the invention is the defect overcoming prior art existence; there is provided a kind of can dope the hidden danger of high risk and notify that related personnel goes to process; to promote the precision of potential safety hazard detecting, and reduce the analytical approach of the danger gas potential safety hazard of the cost of potential safety hazard control.
The technical scheme realizing the object of the invention is: a kind of analytical approach of danger gas potential safety hazard, comprises the steps:
1) multiple time cycle D is set
1, D
2... D
i, D
i+1, Dn, meets D
i+1=k × D
i, k be greater than 1 integer;
2) for step 1) in time cycle D
i, set the rate-limit value A that corresponding danger gas concentration increases in time
iand at the initial concentration B of this time cycle dangerization gas concentration
i;
3) the danger gas concentration value recorded is uploaded to dangerization gas perception data processing server by dangerization gas sensor, and dangerization gas perception data processing server is to D
1danger gas concentration value collected by time period, adopts linear regression analysis method, obtains D
1the equation of linear regression of the danger gas concentration value of time period is: y
1=a
1x+b
1, wherein y
1be the danger gas concentration value at time x, x is the time, a
1represent at D
1the speed that time period dangerization gas concentration value increases in time, b
1for at D
1the danger gas concentration initial value that time period adopts linear regression analysis method to obtain;
4) if step 3) in a
1>=0 and b
1> B
1, or meet a
1> A
1, there is dangerization gas potential safety hazard with noticing the installation of this dangerization gas sensor;
5) when i is greater than 1, dangerization gas perception data processing server is to D
ieach D in time period
i-1time period dangerization gas concentration typical value, adopts linear regression analysis method, obtains D
ithe equation of linear regression of the danger gas concentration value of time period is: y
i=a
ix+b
i, wherein y
id
ithe danger gas concentration value of time period, x is the time, a
irepresent at D
ithe speed that time period dangerization gas concentration value increases in time, b
ifor at D
ithe danger gas concentration initial value that time period adopts linear regression analysis method to obtain;
6) if step 5) in a
i>=0 and b
i> B
i, or meet a
i> A
i, there is dangerization gas potential safety hazard with noticing the installation of this dangerization gas sensor.
As prioritization scheme of the present invention, tried to achieve the coefficient value a of equation of linear regression by least square method
1, a
i, b
1and b
i.
As prioritization scheme of the present invention, D
i-1time period dangerization gas concentration typical value is equation of linear regression y
i-1=a
i-1x+b
i-1on a value.
As prioritization scheme of the present invention, D
i-1time period dangerization gas concentration typical value is this D
i-1the mean value of time period dangerization gas concentration.
The present invention has positive effect: the present invention carries out periodic analysis by the danger gas concentration value recorded dangerization gas sensor; the potential safety hazard that prediction may exist; overcome usually alarm and cause related personnel to the distrust of dangerization gas alarm; promote the precision of potential safety hazard detecting, and reduce the cost of potential safety hazard control.
Accompanying drawing explanation
In order to make content of the present invention more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation, wherein:
Fig. 1 is process flow diagram of the present invention;
Fig. 2 is the result figure of the sample record figure of certain kitchen gas concentration one day and the analytical approach of employing dangerization gas potential safety hazard.
Embodiment
As shown in Figure 1, disclose a kind of analytical approach of danger gas potential safety hazard, comprise the steps:
1) multiple time cycle D is set
1, D
2... D
i, D
i+1, Dn, meets D
i+1=k × D
i, k be greater than 1 integer;
2) for step 1) in time cycle D
i, set the rate-limit value A that corresponding danger gas concentration increases in time
iand at the initial concentration B of this time cycle dangerization gas concentration
i;
3) the danger gas concentration value recorded is uploaded to dangerization gas perception data processing server by dangerization gas sensor, and dangerization gas perception data processing server is to D
1danger gas concentration value collected by time period, adopts linear regression analysis method, obtains D
1the equation of linear regression of the danger gas concentration value of time period is: y
1=a
1x+b
1, wherein y
1be the danger gas concentration value at time x, x is the time, a
1represent at D
1the speed that time period dangerization gas concentration value increases in time, b
1for at D
1the danger gas concentration initial value that time period adopts linear regression analysis method to obtain;
4) if step 3) in a
1>=0 and b
1> B
1, or meet a
1> A
1, there is dangerization gas potential safety hazard with noticing the installation of this dangerization gas sensor;
5) when i is greater than 1, dangerization gas perception data processing server is to D
ieach D in time period
i-1time period dangerization gas concentration typical value, adopts linear regression analysis method, obtains D
ithe equation of linear regression of the danger gas concentration value of time period is: y
i=a
ix+b
i, wherein y
id
ithe danger gas concentration value of time period, x is the time, a
irepresent at D
ithe speed that time period dangerization gas concentration value increases in time, b
ifor at D
ithe danger gas concentration initial value that time period adopts linear regression analysis method to obtain;
6) if step 5) in a
i>=0 and b
i> B
i, or meet a
i> A
i, there is dangerization gas potential safety hazard with noticing the installation of this dangerization gas sensor.
The coefficient value a of equation of linear regression is tried to achieve by least square method
1, a
i, b
1and b
i.Wherein, D
i-1time period dangerization gas concentration typical value is equation of linear regression y
i-1=a
i-1x+b
i-1on a value.D
i-1time period dangerization gas concentration typical value is this D
i-1the mean value of time period dangerization gas concentration.
Oblique line in Fig. 2 be in certain kitchen one day gas concentration through a kind of analysis result of analytical approach of danger gas potential safety hazard, y=2.51x+233, can find out, the concentration ascending velocity in this kitchen clearly, the potential safety hazard in this kitchen probably breaks through dangerization gas concentration warning value at short notice, the speed that dangerization gas concentration value increases in time is larger, the speed that concentration rises will become large, potential safety hazard is larger, simultaneously, when first danger gas concentration value recorded is very large, the radix then representing concentration is higher, namely background concentration is high, potential safety hazard can not be ignored equally.
Adopt the analytical approach needs of dangerization gas potential safety hazard through measuring concentration data over a long time, likely the variable quantity of every day is very little, but some months is observed and found that this concentration values is ever-increasing.Therefore analyzing measurement concentration value over a long time has it necessary with the trend analysis carrying out dangerization gas concentration really.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. an analytical approach for danger gas potential safety hazard, is characterized in that: comprise the steps:
1) multiple time cycle D is set
1, D
2... D
i, D
i+1, Dn, meets D
i+1=k × D
i, k be greater than 1 integer;
2) for step 1) in time cycle D
i, set the rate-limit value A that corresponding danger gas concentration increases in time
iand at the initial concentration B of this time cycle dangerization gas concentration
i;
3) the danger gas concentration value recorded is uploaded to dangerization gas perception data processing server by dangerization gas sensor, and dangerization gas perception data processing server is to D
1danger gas concentration value collected by time period, adopts linear regression analysis method, obtains D
1the equation of linear regression of the danger gas concentration value of time period is: y
1=a
1x+b
1, wherein y
1be the danger gas concentration value at time x, x is the time, a
1represent at D
1the speed that time period dangerization gas concentration value increases in time, b
1for at D
1the danger gas concentration initial value that time period adopts linear regression analysis method to obtain;
4) if step 3) in a
1>=0 and b
1> B
1, or meet a
1> A
1, there is dangerization gas potential safety hazard with noticing the installation of this dangerization gas sensor;
5) when i is greater than 1, dangerization gas perception data processing server is to D
ieach D in time period
i-1time period dangerization gas concentration typical value, adopts linear regression analysis method, obtains D
ithe equation of linear regression of the danger gas concentration value of time period is: y
i=a
ix+b
i, wherein y
id
ithe danger gas concentration value of time period, x is the time, a
irepresent at D
ithe speed that time period dangerization gas concentration value increases in time, b
ifor at D
ithe danger gas concentration initial value that time period adopts linear regression analysis method to obtain;
6) if step 5) in a
i>=0 and b
i> B
i, or meet a
i> A
i, there is dangerization gas potential safety hazard with noticing the installation of this dangerization gas sensor.
2. the analytical approach of a kind of danger gas potential safety hazard according to claim 1, be is characterized in that: the coefficient value a being tried to achieve equation of linear regression by least square method
1, a
i, b
1and b
i.
3. the analytical approach of a kind of danger gas potential safety hazard according to claim 1 and 2, is characterized in that: described D
i-1time period dangerization gas concentration typical value is equation of linear regression y
i-1=a
i-1x+b
i-1on a value.
4. the analytical approach of a kind of danger gas potential safety hazard according to claim 1 and 2, is characterized in that: described D
i-1time period dangerization gas concentration typical value is this D
i-1the mean value of time period dangerization gas concentration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510829741.5A CN105486807B (en) | 2015-11-25 | 2015-11-25 | A kind of analysis method of dangerization gas potential safety hazard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510829741.5A CN105486807B (en) | 2015-11-25 | 2015-11-25 | A kind of analysis method of dangerization gas potential safety hazard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105486807A true CN105486807A (en) | 2016-04-13 |
| CN105486807B CN105486807B (en) | 2017-08-29 |
Family
ID=55673924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510829741.5A Active CN105486807B (en) | 2015-11-25 | 2015-11-25 | A kind of analysis method of dangerization gas potential safety hazard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105486807B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111080976A (en) * | 2019-12-24 | 2020-04-28 | 北京优航机电技术有限公司 | Method and device for monitoring natural gas leakage in real time under temperature change scene |
| 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 |
| CN113743637A (en) * | 2020-05-29 | 2021-12-03 | 青岛海尔电冰箱有限公司 | Gas concentration prediction method and device based on collaborative filtering and refrigerator |
| CN113803956A (en) * | 2020-05-29 | 2021-12-17 | 青岛海尔电冰箱有限公司 | Method and equipment for detecting gas concentration by refrigerator and refrigerator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2067182C1 (en) * | 1992-07-01 | 1996-09-27 | Макеевский научно-исследовательский институт по безопасности работ в горной промышленности | Method for prognostication of coal seam outburst hazard in place of seam opening |
| CN1885040A (en) * | 2005-06-22 | 2006-12-27 | 法雷奥热力系统公司 | Device and procedure for the surveillance and monitoring of the air quality of an automobile |
| CN101832990A (en) * | 2010-05-12 | 2010-09-15 | 中国科学技术大学 | Movable on-line type fire situation grade detecting and evaluating system and method |
| CN102979579A (en) * | 2012-11-30 | 2013-03-20 | 天地（常州）自动化股份有限公司 | Method for analyzing coal and gas outburst risk in real time |
-
2015
- 2015-11-25 CN CN201510829741.5A patent/CN105486807B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2067182C1 (en) * | 1992-07-01 | 1996-09-27 | Макеевский научно-исследовательский институт по безопасности работ в горной промышленности | Method for prognostication of coal seam outburst hazard in place of seam opening |
| CN1885040A (en) * | 2005-06-22 | 2006-12-27 | 法雷奥热力系统公司 | Device and procedure for the surveillance and monitoring of the air quality of an automobile |
| CN101832990A (en) * | 2010-05-12 | 2010-09-15 | 中国科学技术大学 | Movable on-line type fire situation grade detecting and evaluating system and method |
| CN102979579A (en) * | 2012-11-30 | 2013-03-20 | 天地（常州）自动化股份有限公司 | Method for analyzing coal and gas outburst risk in real time |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111080976A (en) * | 2019-12-24 | 2020-04-28 | 北京优航机电技术有限公司 | Method and device for monitoring natural gas leakage in real time under temperature change scene |
| 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 |
| CN113743637A (en) * | 2020-05-29 | 2021-12-03 | 青岛海尔电冰箱有限公司 | Gas concentration prediction method and device based on collaborative filtering and refrigerator |
| CN113743638A (en) * | 2020-05-29 | 2021-12-03 | 青岛海尔电冰箱有限公司 | Method and equipment for predicting gas concentration of refrigerator and refrigerator |
| CN113803956A (en) * | 2020-05-29 | 2021-12-17 | 青岛海尔电冰箱有限公司 | Method and equipment for detecting gas concentration by refrigerator and refrigerator |
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| Publication number | Publication date |
|---|---|
| CN105486807B (en) | 2017-08-29 |
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