CN111624302B - Automatic calibration method, gas detection device, terminal and readable storage medium - Google Patents
Automatic calibration method, gas detection device, terminal and readable storage medium Download PDFInfo
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- CN111624302B CN111624302B CN202010360122.7A CN202010360122A CN111624302B CN 111624302 B CN111624302 B CN 111624302B CN 202010360122 A CN202010360122 A CN 202010360122A CN 111624302 B CN111624302 B CN 111624302B
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- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 239000007789 gas Substances 0.000 abstract description 33
- 238000011088 calibration curve Methods 0.000 description 5
- 230000009191 jumping Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
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- 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
- G01N33/0006—Calibrating gas analysers
- G01N33/0008—Details concerning storage of calibration data, e.g. in EEPROM
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- 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
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- 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
- G01N33/0006—Calibrating gas analysers
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- 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
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- 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
- G01N33/0068—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 using a computer specifically programmed
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The invention provides an automatic calibration method, a gas detection device, a terminal and a readable storage medium, wherein the automatic calibration method comprises the following steps: step 1, presetting a calibration parameter value: calibration value C, floating threshold FT and comparison times CN; step 2, obtaining a current value; step 3, judging whether the previous current value CV and the next current value NV meet the requirements of |NV-CV| < = FT, if so, counting the comparison success, and executing the next step; if not, continuing to execute the step 3; step 4, judging whether the number of continuous comparison success times exceeds the comparison number CN, if so, executing the next step; if not, returning to the step 3; and 5, marking the current value of the last time as a calibration target value corresponding to the calibration value C. According to the invention, through adjusting 7 parameters, automatic calibration of the gas detection devices with different gases and different calibration values can be realized.
Description
Technical Field
The invention belongs to the field of gas detection, and particularly relates to an automatic calibration method, a gas detection device, a terminal and a readable storage medium.
Background
Along with the increase of safety accidents in various chemical plants and other industrial occasions, the accuracy of the safety detection device is also a focus of attention. Among the many safety accidents, the safety accidents caused by gas explosion and leakage account for a considerable proportion. How the gas detection device can accurately detect the occurrence of a hazard is a main research object for avoiding the accident. The gas detection device mainly relies on each gas sensor and a calibration curve thereof to detect gas and alarm, so that the accuracy of the calibration curve is closely related to the accuracy of the gas detection device. However, for various reasons, the calibration curve has a large difference between the calibration value and the actual value, such as differences of operation procedures and speeds of personnel, subjective judgment, and the like, and part of special gases climb seriously slowly, and up-and-down jumping personnel cannot intuitively judge. How to avoid the influence of these factors, accurate calibration becomes a major point of the gas detection device.
Disclosure of Invention
In order to solve the above-mentioned problems, it is necessary to provide an automatic calibration method, a gas detection device, a terminal, and a readable storage medium.
The first aspect of the invention provides an automatic calibration method, which comprises the following steps:
step 1, presetting a calibration parameter value: calibration value C, floating threshold FT and comparison times CN;
step 2, obtaining a current value;
step 3, judging whether the previous current value CV and the next current value NV meet the requirements of |NV-CV| < = FT, if so, counting the comparison success, and executing the next step; if not, continuing to execute the step 2;
step 4, judging whether the number of continuous comparison success times exceeds the comparison number CN, if so, executing the next step; if not, returning to the step 2;
and 5, marking the current value of the last time as a calibration target value corresponding to the calibration value C.
Based on the above, in step 1, the preset calibration parameter value further includes a time difference value Tn; in the step 2, after the current value is obtained, judging whether the difference value between the current time and the time of last obtaining the current value is equal to Tn, if so, obtaining the next current value NV; if not, continuing to judge whether the time difference is equal to Tn.
Based on the above, in step 1, the preset calibration parameter value further includes a calibration target value upper limit CT max Lower limit CT of calibration target value min The method comprises the steps of carrying out a first treatment on the surface of the In step 2, when any current value is obtained, it is first determined whether it satisfies CV>=CT min Or CV (CV)<=CT max If yes, executing the next operation; if not, discarding all the current values acquired before, and re-acquiring the current value CV.
Based on the above, in step 1, the preset calibration parameter value further includes a calibration timeout T out The method comprises the steps of carrying out a first treatment on the surface of the In step 2, before acquiring the current value CV, it is determined whether the total calibration time period from the time of acquiring the first current value to the current time is greater than T out If yes, the automatic calibration is finished; if not, the next current value CV is obtained.
In a second aspect of the present invention, a gas detection device is provided, and when a specified calibration value is calibrated, the gas detection device is placed in an environment of a gas to be calibrated, and the automatic calibration method is performed.
The third aspect of the present invention provides an automatic calibration terminal, which includes a memory, a processor, and a program stored in the memory and capable of running on the processor, wherein the processor implements the automatic calibration method when executing the program.
A fourth aspect of the invention provides a readable storage medium having instructions stored thereon, which when executed by a processor, implement the automatic calibration method.
Compared with the prior art, the invention has outstanding substantive characteristics and remarkable progress, in particular to the invention which aims at calibrating the value C and the upper limit CT of the target value max Lower limit CT of calibration target value min The floating threshold FT, the time difference Tn, the comparison times CN and the calibration overtime Tout are adjusted, the automatic calibration of the gas detection devices with different gases and different calibration values can be realized, the gas detection devices are only required to be placed in a gas calibration environment,and sending a starting command to realize automatic calibration of the appointed calibration value without personnel operation and judgment.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a flow chart of an automatic calibration method of the present invention.
FIG. 2 is a diagram showing an automatic calibration implementation of the gas detection apparatus of the present invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
Example 1
As shown in fig. 1, an automatic calibration method includes:
step 1, presetting a calibration parameter value: calibration value C, floating threshold FT, time difference Tn, comparison times CN and upper limit CT of calibration target value max Lower limit CT of calibration target value min And calibrating timeout T out The method comprises the steps of carrying out a first treatment on the surface of the It should be noted that, the calibration parameter values have an influence on each other, and according to the desired calibration precision, when preset, the calibration parameter values may be set to a larger value or set to zero so as to cancel the limitation of the corresponding parameters;
calibration value C: a concentration value to be calibrated for the gas detection device;
upper limit CT of calibration target value max CalibratingTarget value lower limit CT min : in the calibration curve, each calibration value and the calibration target value are in one-to-one correspondence. Upper limit CT of calibration target value max Lower limit CT of calibration target value min The theoretical upper and lower critical values corresponding to the calibration target value are obtained. The parameter is typically determined by the sensor characteristics and the corresponding hardware circuitry;
floating threshold FT: in the calibration method, the floating threshold is used for judging whether the current acquired value is stable or not. This parameter is typically determined by the sensor characteristics and the desired calibration accuracy;
time difference Tn: the calibration parameter is used for comparing the current acquired value with the last acquired value every time. This parameter is typically determined by the sensor characteristics and the desired calibration accuracy;
comparison times CN: when the current acquired value CV and the next acquired value NV are within the floating threshold, the parameters determine how many times to continuously compare. This parameter is typically determined by the sensor characteristics and the desired calibration accuracy;
calibrating the overtime Tout: and when the total calibration time exceeds the calibration timeout time, exiting the program. The parameter needs to comprehensively consider the whole calibration time, and the parameters have certain influence on the parameter. The selected calibration parameter values fully consider influencing factors such as hardware characteristics, sensor characteristics, target gas, calibration precision and the like, and an automatic calibration mode is adopted, so that the problems that the difference of operation procedures, speed, subjective judgment and the like of personnel, the difference of calibration values and actual values caused by serious slow climbing of part of special gases and incapability of intuitively judging up-down jumping are large can be effectively solved.
Step 2, obtaining the current value CV, and firstly judging whether the current value CV meets CV>=CT min Or CV (CV)<=CT max If yes, executing the next operation; if not, executing the step 4.
Step 3, judging whether the difference value between the current time and the last time of obtaining the current value is equal to Tn, if so, executing step 5; if not, executing the step 3.
Step 4, judging the time from the time of obtaining the first current value to the current timeWhether the total calibration time is greater than T out If yes, executing the step 9; if not, executing the step 2.
Step 5, obtaining the next current value NV, and judging whether the current value NV meets the NV>=CT min Or NV<=CT max . If yes, executing the step 6; if not, executing the step 4.
Step 6, judging whether the previous current value CV and the next current value NV meet the requirements of |NV-CV| < = FT, if so, counting the comparison success, and executing the next step; if not, continuing to execute the step 4.
Step 7, judging whether the number of continuous comparison success times exceeds the comparison number CN, if so, executing the next step; if not, returning to the step 3.
And 8, marking the current value of the last time as a calibration target value corresponding to the calibration value C.
And 9, finishing automatic calibration.
It should be noted that, setting different calibration parameter values, performing automatic calibration to obtain calibration target values corresponding to the different calibration values, and forming a calibration curve according to the different calibration values and the calibration target values.
Example 2
As shown in fig. 2, this embodiment provides a gas detection device, when a specified calibration value is calibrated, the gas detection device is placed in an environment of a gas to be calibrated, and the automatic calibration method is executed, so that automatic calibration of the specified calibration value can be achieved without personnel operation and judgment. In this embodiment, after each calibration parameter is determined according to the hardware characteristics of the gas detection device, the sensor characteristics, the target gas, the calibration accuracy, and the like, automatic calibration of the gas detection devices with different gases and different calibration values can be achieved.
Example 3
The embodiment provides an automatic calibration terminal, which comprises a memory, a processor and a program stored in the memory and capable of running on the processor, wherein the processor executes the program to realize the steps of the automatic calibration method.
Example 4
The present embodiment provides a readable storage medium having instructions stored thereon which, when executed by a processor, perform the steps of the auto-calibration method.
The present embodiment provides a program product which, when run on a terminal device, causes the terminal device to execute the steps of the automatic calibration method in the above embodiments.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and in part, not described or illustrated in any particular embodiment, reference is made to the related descriptions of other embodiments.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus/terminal and method may be implemented in other manners.
The automatic calibration method described above may be stored in a readable storage medium if implemented in the form of a software functional unit and sold or used as a stand-alone product. Based on such understanding, the present application may implement all or part of the flow of the method of the above embodiment, or may be implemented by a program to instruct related hardware, where the above program may be stored in a readable storage medium, and when the program is executed by a processor, the program may implement the steps of each method embodiment described above. The program includes program code, which may be in the form of source code, object code, executable file, some intermediate form, etc.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. An automatic calibration method of a gas detection device is characterized by comprising the following steps:
step 1, presetting a calibration parameter value: calibration value C, floating threshold FT, time difference Tn, upper limit CT of calibration target value max Lower limit CT of calibration target value min The comparison times CN;
step 2, obtaining a current value;
when any current CV is obtained, it is determined whether it satisfies CV>=CT min Or CV (CV)<=CT max If yes, executing the next operation; if not, discarding all the current values acquired before, and acquiring the current value CV again;
after the current value is obtained, judging whether the difference value between the current time and the time of last obtaining the current value is equal to Tn, and if so, obtaining the next current value NV; if not, continuing to judge whether the time difference value is equal to Tn;
step 3, judging whether the previous current value CV and the next current value NV meet the requirements of |NV-CV| < = FT, if so, counting the comparison success, and executing the next step; if not, continuing to execute the step 2;
step 4, judging whether the number of continuous comparison success times exceeds the comparison number CN, if so, executing the next step; if not, returning to the step 2;
and 5, marking the current value of the last time as a calibration target value corresponding to the calibration value C.
2. The automatic calibration method of a gas detection apparatus according to claim 1, wherein: in step 1, the preset calibration parameter values further include a calibration timeout T out ；
In step 2, before the current value CV is obtained, the judgment is performedWhether the total calibration time length from the time of acquiring the first current value to the current time is greater than T or not out If yes, the automatic calibration is finished; if not, the next current value CV is obtained.
3. A gas detection device, characterized in that: when the specified calibration value is calibrated, the gas detection device is placed in the environment of the gas to be calibrated, and the automatic calibration method of the gas detection device is executed according to the claims 1-2.
4. An automatic calibration terminal comprising a memory, a processor, and a program stored on the memory and executable on the processor, characterized in that: the processor, when executing the program, implements the automatic calibration method of the gas detection device according to claims 1-2.
5. A readable storage medium having instructions stored thereon, which when executed by a processor, perform the method of automatic calibration of a gas detection apparatus according to claims 1-2.
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| CN112415141B (en) * | 2020-11-06 | 2022-02-08 | 珠海格力电器股份有限公司 | Compensation method and compensation device for formaldehyde measurement concentration display value |
| CN118624840A (en) * | 2024-08-12 | 2024-09-10 | 浙江华消科技有限公司 | Calibration method and device of gas detection equipment, storage medium and electronic equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013246013A (en) * | 2012-05-25 | 2013-12-09 | Riken Keiki Co Ltd | Gas concentration calculation method and gas detector |
| CN105006151A (en) * | 2015-07-06 | 2015-10-28 | 中国船舶重工集团公司第七一〇研究所 | Dynamic vehicle detection method based on weak magnetic sensor |
| CN106706852A (en) * | 2016-12-27 | 2017-05-24 | 清华-伯克利深圳学院筹备办公室 | Calibration method and calibration system of gas concentration sensor |
| CN107807201A (en) * | 2016-09-09 | 2018-03-16 | 大陆汽车电子(长春)有限公司 | Gas sensor detection means and detection method |
| CN207662867U (en) * | 2017-11-20 | 2018-07-27 | 广州奥松电子有限公司 | A kind of VOC sensor devices |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10326101A (en) * | 1997-05-26 | 1998-12-08 | Kubota Corp | Pid control method and device therefor |
| CN101393116B (en) * | 2008-10-17 | 2010-11-17 | 天津理工大学 | Demarcating apparatus for gas concentration detector and linearity demarcating method |
| CN102636615A (en) * | 2012-04-25 | 2012-08-15 | 梅思安(中国)安全设备有限公司 | Error preventing method for zero point or gain calibration of solid and portable gas detector |
| CN102636614A (en) * | 2012-04-25 | 2012-08-15 | 梅思安(中国)安全设备有限公司 | Zero drift correction method of solid and portable gas detector |
| CN102743164B (en) * | 2012-06-29 | 2014-02-12 | 深圳市理邦精密仪器股份有限公司 | Hardware parameter compensation method and system of blood pressure measuring system |
| CN103325059B (en) * | 2013-05-20 | 2017-04-12 | T8软件咨询有限公司 | Object replacing method and device |
| CN108089691A (en) * | 2015-06-01 | 2018-05-29 | 中兴通讯股份有限公司 | A kind of method and device for reducing terminal device power consumption |
| CN106781664B (en) * | 2016-12-27 | 2019-08-06 | 成都天铂数字技术有限公司 | Method for detecting parking stalls and device |
| CN107894969B (en) * | 2017-09-13 | 2020-11-24 | 山东大学 | Transformer latent fault early warning method based on trend analysis |
| CN108571997B (en) * | 2017-12-26 | 2021-05-14 | 深圳市鼎阳科技股份有限公司 | Method and device for detecting stable contact of probe with measured point |
| CN108508150A (en) * | 2018-03-28 | 2018-09-07 | 翼捷安全设备（昆山）有限公司 | Gas sensor with simple calibrating method and its method |
| CN110579570B (en) * | 2019-09-27 | 2021-10-15 | 安徽江航爱唯科环境科技有限公司 | Indoor formaldehyde pollution level dynamic monitoring method, device and system |
-
2020
- 2020-04-30 CN CN202010360122.7A patent/CN111624302B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013246013A (en) * | 2012-05-25 | 2013-12-09 | Riken Keiki Co Ltd | Gas concentration calculation method and gas detector |
| CN105006151A (en) * | 2015-07-06 | 2015-10-28 | 中国船舶重工集团公司第七一〇研究所 | Dynamic vehicle detection method based on weak magnetic sensor |
| CN107807201A (en) * | 2016-09-09 | 2018-03-16 | 大陆汽车电子(长春)有限公司 | Gas sensor detection means and detection method |
| CN106706852A (en) * | 2016-12-27 | 2017-05-24 | 清华-伯克利深圳学院筹备办公室 | Calibration method and calibration system of gas concentration sensor |
| CN207662867U (en) * | 2017-11-20 | 2018-07-27 | 广州奥松电子有限公司 | A kind of VOC sensor devices |
Non-Patent Citations (5)
| Title |
|---|
| Calibration and Stability of Oxygen Sensors on Autonomous Floats;ERIC A. D’ASARO;JOURNAL OF ATMOSPHERIC AND OCEANIC TECHNOLOGY(第30期);全文 * |
| 传感器系统的二点标定新方法及其分析;余学锋;于杰;;电子测量技术(第04期);全文 * |
| 基于虚拟仪器技术的传感器静态标定仪的设计;廖捷, 张琦, 李焕良;矿山机械(第06期);全文 * |
| 基于虚拟仪器技术的气体流量标定系统的设计;胡学海;王厚军;古天祥;;仪表技术与传感器(第11期);全文 * |
| 煤矿用气体传感器稳定性检验方法的研究;王海潮;;矿山机械(第07期);全文 * |
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