CN108508150A - Gas sensor with simple calibrating method and its method - Google Patents
Gas sensor with simple calibrating method and its method Download PDFInfo
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- CN108508150A CN108508150A CN201810266385.4A CN201810266385A CN108508150A CN 108508150 A CN108508150 A CN 108508150A CN 201810266385 A CN201810266385 A CN 201810266385A CN 108508150 A CN108508150 A CN 108508150A
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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
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- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Abstract
The present invention relates to a kind of gas sensors and its method with simple calibrating method, including demarcating module, gas sensor ontology and control module, three interconnects, the demarcating module is for carrying out calibration detection, the calibration value of current gas sensor is obtained, the control module carries out gas concentration compensation for obtaining the gas concentration that gas sensor ontology detects, and according to calibration value, whole process very simple is convenient, it can be achieved that a people demarcates.
Description
Technical field
The present invention relates to field of fire fighting equipment, more particularly to gas detector field, in particular to one kind having simple mark
Determine the gas sensor and its method of method.
Background technology
With the development of science and technology and the quickening of industrial process, higher and higher to the detection demand of gas, but make
With in the process, due to always needing other people to assist carrying out the calibration of gas sensor, designing one kind can carry out with simple calibrating
The demand of the gas sensor of method is also increasingly stronger.
Invention content
The purpose of the present invention is overcome it is above-mentioned in the prior art the shortcomings that, provide it is a kind of can be achieved a people calibration have
The gas sensor and its method of simple calibrating method.
In order to achieve the above purpose, of the invention gas sensor and its method with simple calibrating method are with such as
Lower composition：
The gas sensor with simple calibrating method is mainly characterized by, including demarcating module, gas sensor sheet
Body and control module, three interconnect, and the demarcating module obtains current gas sensor for carrying out calibration detection
Calibration value, the control module for obtaining the gas concentration that gas sensor ontology detects, and according to calibration value into
Promoting the circulation of qi bulk concentration compensates.
Preferably, the demarcating module includes interchangeable gas pockets and pressurizing unit, filled out in the gas pockets
Marked gas filled with known concentration.
More preferably, the pressurizing unit includes stepper motor driver, stepper motor and is set to the stepper motor
Output shaft on stripper plate, the input terminal link control module of the stepper motor driver, stepper motor driver
Output end connects the input terminal of stepper motor, and the stripper plate is in contact with gas pockets, squeezes gas pockets, by squeezing
It calms the anger somatocyst, the gas outlet valve of gas pockets is made to be washed open by air-flow, marked gas therein is made to be discharged.
More preferably, the gas sensor further includes reaction gas chamber, and the reaction gas chamber is set to gas including one
Air inlet by the gas outlet of somatocyst, and the gas sensor ontology is detected the gas concentration in reaction gas chamber.
More preferably, in a calibration process, the stroke of the output shaft of stepper motor so that gas pockets are squeezed plate extruding
And the volume for the gas being discharged is more than the volume of entire reaction gas chamber.
More preferably, the control module further includes computing unit and compensating unit, wherein there are two computing unit tools
Input terminal, the known concentration and gas sensor ontology for being respectively used to input marked gas detect in calibration process
The concentration of marked gas, the computing unit are compared to inputting two concentration therein, obtain calibration value, the benefit
The input terminal for repaying module is connected to the output end of computing unit, and by compensating module to the gas concentration that is obtained in measurement process
Carry out calibration value compensation.
Based on the method that the above-mentioned gas sensor with simple calibrating method carries out gas concentration detection, main feature
It is to include the following steps：
(1) gas sensor powers on；
(2) the control module control demarcating module carries out calibration detection, obtains the calibration value of current gas sensor；
(3) control module obtains the gas concentration that gas sensor ontology detects, and dense according to calibration value progress gas
Degree compensation.
More preferably, the step (2) includes：
(2.1) control module issues control instruction to the stepper motor, and the output shaft of the stepper motor drives
The certain stroke of stripper plate advance, squeezes the gas pockets, and the gas sensor ontology is made to detect in input reaction gas chamber
Marked gas concentration；
(2.2) control module obtain gas sensor ontology acquisition marked gas detectable concentration, and with built-in calibration
Gas concentration is compared, and calibration value is obtained.
More preferably, the step (2.2) is：
Control module obtains the detectable concentration of gas sensor ontology acquisition marked gas, and by computing unit to the mark
The detectable concentration and built-in marked gas concentration for determining gas are compared, and calibration value is obtained.
The gas sensor and its method with simple calibrating method for using the invention, using demarcating module into rower
It is fixed, it can easily realize that a people demarcates, it is simple in structure, specific proving operation is carried out without user, whole proving operations are entirely by gas
Body sensor is completed, simple and clear.
Description of the drawings
Fig. 1 is the structural schematic diagram of the gas sensor with simple calibrating method of the present invention.
Specific implementation mode
In order to be more clearly understood that the technology contents of the present invention, spy are lifted following embodiment and are described in detail.
Referring to Fig. 1, should be mainly characterized by with the gas sensor of simple calibrating method, including demarcating module, gas
Body sensor ontology and control module, three interconnect, and the demarcating module obtains current for carrying out calibration detection
The calibration value of gas sensor, the control module is for obtaining the gas concentration that gas sensor ontology detects, and root
Gas concentration compensation is carried out according to calibration value.
In a kind of preferred embodiment, the demarcating module includes interchangeable gas pockets and pressurizing unit, institute
The marked gas of known concentration is filled in the gas pockets stated.In a particular embodiment, marked gas is same under test gas
Kind of gas, and in a kind of more specific embodiment when selling the gas sensor outside producer, can be equipped with match various and wait for
The marked gas air bag for surveying gas, for realizing the calibration of various gas detectors.
In a kind of more preferably embodiment, the pressurizing unit includes stepper motor driver, stepper motor and sets
The stripper plate being placed on the output shaft of the stepper motor, the input terminal link control module of the stepper motor driver, step
The input terminal of the output end connection stepper motor of stepper motor driver, the stripper plate is in contact with gas pockets, to gas pockets
It is squeezed, by squeezing gas pockets, so that the gas outlet valve of gas pockets is washed open by air-flow, marked gas therein is made to be discharged.
In a kind of more preferably embodiment, the gas sensor further includes reaction gas chamber, and the reaction gas chamber
It is set to air inlet by the gas outlet of gas pockets including one, and the gas sensor ontology is to the gas in reaction gas chamber
Concentration is detected.
In a kind of more preferably embodiment, in a calibration process, the stroke of the output shaft of stepper motor makes gas
The capsule plate that is squeezed squeezes and the volume of gas that is discharged is more than the volume of entire reaction gas chamber.
In a kind of more preferably embodiment, the control module further includes computing unit and compensating unit, the wherein meter
Unit tool is calculated there are two input terminal, the known concentration and gas sensor ontology that are respectively used to input marked gas are being demarcated
The concentration of the marked gas detected in the process, the computing unit are compared to inputting two concentration therein, are obtained
The input terminal of calibration value, the compensating module is connected to the output end of computing unit, and by compensating module to measurement process
The gas concentration of middle acquisition carries out calibration value compensation.
Based on the method that the above-mentioned gas sensor with simple calibrating method carries out gas concentration detection, main feature
It is to include the following steps：
(1) gas sensor powers on；
(2) the control module control demarcating module carries out calibration detection, obtains the calibration value of current gas sensor；
(3) control module obtains the gas concentration that gas sensor ontology detects, and dense according to calibration value progress gas
Degree compensation.
In a kind of more preferably embodiment, the step (2) includes：
(2.1) control module issues control instruction to the stepper motor, and the output shaft of the stepper motor drives
The certain stroke of stripper plate advance, squeezes the gas pockets, and the gas sensor ontology is made to detect in input reaction gas chamber
Marked gas concentration；
(2.2) control module obtain gas sensor ontology acquisition marked gas detectable concentration, and with built-in calibration
Gas concentration is compared, and calibration value is obtained.
In a kind of more preferably embodiment, the step (2.2) is：
Control module obtains the detectable concentration of gas sensor ontology acquisition marked gas, and by computing unit to the mark
The detectable concentration and built-in marked gas concentration for determining gas are compared, and calibration value is obtained.
In a kind of more preferably embodiment, in a calibration process, control module controls step actuator, is driven by stepping
Dynamic device Driving Stepping Motor is exported, make its stroke exported meet gas pockets be squeezed plate squeeze and the body of gas that is discharged
Product is more than the volume of entire reaction gas chamber, ensures that reaction gas chamber is full of marked gas in calibration process in this way, further
In embodiment, gas pockets be squeezed plate squeeze and be discharged gas momentum should enable gas pockets gas outlet valve by
Marked gas is pushed open.
The gas sensor and its method with simple calibrating method for using the invention, using demarcating module into rower
It is fixed, it can easily realize that a people demarcates, it is simple in structure, specific proving operation is carried out without user, whole proving operations are entirely by gas
Body sensor is completed, simple and clear.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that can still make
Various modifications and alterations are without departing from the spirit and scope of the invention.Therefore, the description and the appended drawings should be considered as illustrative
And not restrictive.
Claims (9)
1. a kind of gas sensor with simple calibrating method, which is characterized in that including demarcating module, gas sensor ontology
And control module, three interconnect, the demarcating module obtains current gas sensor for carrying out calibration detection
Calibration value, the control module are carried out for obtaining the gas concentration that gas sensor ontology detects according to calibration value
Gas concentration compensates.
2. the gas sensor according to claim 1 with simple calibrating method, which is characterized in that the calibration mold
Block includes interchangeable gas pockets and pressurizing unit, and the marked gas of known concentration is filled in the gas pockets.
3. the gas sensor according to claim 2 with simple calibrating method, which is characterized in that the extruding dress
It sets including stepper motor driver, stepper motor and the stripper plate being set on the output shaft of the stepper motor, the step
The input terminal link control module of stepper motor driver, the input terminal of the output end connection stepper motor of stepper motor driver,
The stripper plate is in contact with gas pockets, squeezes gas pockets, by squeezing gas pockets, makes the gas outlet valve of gas pockets
Door is washed open by air-flow, and marked gas therein is made to be discharged.
4. the gas sensor according to claim 3 with simple calibrating method, which is characterized in that the gas passes
Sensor further includes reaction gas chamber, and the reaction gas chamber includes an air inlet being set to by the gas outlet of gas pockets, and institute
The gas sensor ontology stated is detected the gas concentration in reaction gas chamber.
5. the gas sensor according to claim 4 with simple calibrating method, which is characterized in that primary calibrated
Cheng Zhong, the stroke of the output shaft of stepper motor make gas pockets be squeezed plate squeeze and the volume of gas that is discharged be more than it is entire anti-
Answer the volume of gas chamber.
6. the gas sensor according to claim 4 with simple calibrating method, which is characterized in that the control mould
Block further includes computing unit and compensating unit, and wherein there are two input terminals for computing unit tool, are respectively used to input marked gas
Known concentration and the concentration of marked gas that is detected in calibration process of gas sensor ontology, the calculating list
Member is compared to inputting two concentration therein, obtains calibration value, and the input terminal of the compensating module is connected to calculating list
The output end of member, and calibration value compensation is carried out to the gas concentration obtained in measurement process by compensating module.
7. a kind of gas sensor based on according to any one of claims 1 to 6 with simple calibrating method carries out gas
The method of Concentration Testing, which is characterized in that include the following steps：
(1) gas sensor powers on；
(2) the control module control demarcating module carries out calibration detection, obtains the calibration value of current gas sensor；
(3) control module obtains the gas concentration that gas sensor ontology detects, and carries out gas concentration benefit according to calibration value
It repays.
8. the side according to claim 7 for carrying out gas concentration detection based on the gas sensor with simple calibrating method
Method, which is characterized in that the demarcating module includes interchangeable gas pockets and pressurizing unit, is filled in the gas pockets
There is a marked gas of known concentration, the pressurizing unit includes stepper motor driver, stepper motor and is set to the step
Stripper plate on the output shaft of stepper motor, the input terminal link control module of the stepper motor driver, stepper motor drive
The input terminal of the output end connection stepper motor of dynamic device, the stripper plate are in contact with gas pockets, squeeze gas pockets,
By squeezing gas pockets, so that the gas outlet valve of gas pockets is washed open by air-flow, so that marked gas therein is discharged, the step
(2) include：
(2.1) control module issues control instruction to the stepper motor, and the output shaft of the stepper motor, which drives, to be squeezed
The certain stroke of plate advance, squeezes the gas pockets, and the gas sensor ontology is made to detect the mark in input reaction gas chamber
Determine the concentration of gas；
(2.2) control module obtain gas sensor ontology acquisition marked gas detectable concentration, and with built-in marked gas
Concentration is compared, and calibration value is obtained.
9. the side according to claim 8 for carrying out gas concentration detection based on the gas sensor with simple calibrating method
Method, which is characterized in that the control module further includes computing unit and compensating unit, and wherein there are two defeated for computing unit tool
Enter end, is respectively used to the mark for inputting the known concentration of marked gas and gas sensor ontology detects in calibration process
Determine the concentration of gas, the computing unit is compared to inputting two concentration therein, obtains calibration value, the compensation
The input terminal of module is connected to the output end of computing unit, and by compensating module to the gas concentration that is obtained in measurement process into
Rower fixed value compensation, the step (2.2) are：
Control module obtains the detectable concentration of gas sensor ontology acquisition marked gas, and by computing unit to the calibration gas
The detectable concentration of body is compared with built-in marked gas concentration, obtains calibration value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810266385.4A CN108508150A (en) | 2018-03-28 | 2018-03-28 | Gas sensor with simple calibrating method and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810266385.4A CN108508150A (en) | 2018-03-28 | 2018-03-28 | Gas sensor with simple calibrating method and its method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108508150A true CN108508150A (en) | 2018-09-07 |
Family
ID=63379176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810266385.4A Pending CN108508150A (en) | 2018-03-28 | 2018-03-28 | Gas sensor with simple calibrating method and its method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108508150A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514788A (en) * | 2019-08-20 | 2019-11-29 | 上海畅制电子科技有限公司 | A kind of scaling method of gas sensor, device, equipment and storage medium |
| CN111007210A (en) * | 2019-12-31 | 2020-04-14 | 深圳市无眼界科技有限公司 | Automatic calibration method and system for gas sensor |
| CN111624302A (en) * | 2020-04-30 | 2020-09-04 | 汉威科技集团股份有限公司 | Automatic calibration method, gas detection device, terminal and readable storage medium |
| CN112622564A (en) * | 2020-12-22 | 2021-04-09 | 宋清云 | Safety system and device for air circulation in automobile |
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| CN205736087U (en) * | 2016-06-22 | 2016-11-30 | 惠州市唐群座椅科技股份有限公司 | Aerated product pressure exhaust unit |
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| CN203519626U (en) * | 2013-10-23 | 2014-04-02 | 杭州申昊信息科技有限公司 | Automatic calibration device for transformer gas in oil |
| CN204255927U (en) * | 2014-11-19 | 2015-04-08 | 中国石油天然气股份有限公司 | Be applied to the Demarcate Gas device of under-balanced drilling UBD |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514788A (en) * | 2019-08-20 | 2019-11-29 | 上海畅制电子科技有限公司 | A kind of scaling method of gas sensor, device, equipment and storage medium |
| CN111007210A (en) * | 2019-12-31 | 2020-04-14 | 深圳市无眼界科技有限公司 | Automatic calibration method and system for gas sensor |
| CN111624302A (en) * | 2020-04-30 | 2020-09-04 | 汉威科技集团股份有限公司 | Automatic calibration method, gas detection device, terminal and readable storage medium |
| CN112622564A (en) * | 2020-12-22 | 2021-04-09 | 宋清云 | Safety system and device for air circulation in automobile |
| CN112622564B (en) * | 2020-12-22 | 2023-06-06 | 宋清云 | Safety system for ventilation in automobile and device thereof |
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Application publication date: 20180907 |
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