CN109085313A - A kind of gas detection method and gas detecting instrument - Google Patents
A kind of gas detection method and gas detecting instrument Download PDFInfo
- Publication number
- CN109085313A CN109085313A CN201811294975.4A CN201811294975A CN109085313A CN 109085313 A CN109085313 A CN 109085313A CN 201811294975 A CN201811294975 A CN 201811294975A CN 109085313 A CN109085313 A CN 109085313A
- Authority
- CN
- China
- Prior art keywords
- gas
- sensor
- array
- signal
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 42
- 238000013461 design Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 4
- 206010070834 Sensitisation Diseases 0.000 claims description 3
- 230000008313 sensitization Effects 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 claims 1
- 230000009466 transformation Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 description 185
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 11
- 230000004044 response Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000013480 data collection Methods 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 238000007620 mathematical function Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001537 neural effect Effects 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 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
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
- G01N33/0032—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array using two or more different physical functioning modes
Landscapes
- 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)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The present invention relates to a kind of gas detection method and gas detecting instruments, the gas detection method of the technical program, it is that gas detection module provides detection gas in the case where guaranteeing that detection environment is constant by gas collection module, and using in detection module, gas with various sensor provides integrated data group to the sensibility of gas with various, with the mixing of the gas with various in corresponding detected place, to improve the detection accuracy of gas detecting instrument.
Description
Technical field
The invention belongs to air detection technical fields, particularly relate to the gas that unknown gas is detected in a kind of pair of air
Detection method and gas detecting instrument.
Background technique
In order to whether have polluted gas or toxic and harmful gas in clear current environment, it is required in many places to working as
Gas in preceding place is detected, to realize certain specific demands.
For example, needing to detect in passenger baggage case whether have volatile materials, in places such as airport, stations to avoid right
The harm of the vehicles such as remaining passenger or aircraft, train and influence public safety.In usual household, need to detect
Whether indoor environment detects because of the exceeded of the pernicious gases such as formaldehyde caused by the reasons such as finishing, or in industrial enterprise
Whether flammable explosive gas is exceeded and jeopardizes normal production and personal safety.
The detecting instrument that existing technology uses, the target of detection is substantially determining, for example detection alcohol gas is true
It is fixed whether the detector of drunk driving, it is only sensitive to alcohol gas, and other gases cannot be detected, therefore, now often report by mistake
The exceeded phenomenon of alcohol gas.For another example H2S detector, it is only sensitive to hydrogen sulfide gas, and to simultaneously with other
When the gases such as gas, such as methane, sulfur dioxide, will not substantially it detected.
Reality is that in most cases, a certain specific place, may need to detect in different times is not
Same gas, such as airport or station；In the case of another, in home environment, pollutant is not single formaldehyde, it is also possible to
It is to have certain toxic action to human body including toluene, ethylbenzene and more benzene ring compounds.In mine, it is not only single
Gas further includes the gas that other many can set off an explosion.This allows for corresponding in order to be equipped with to different gas detections
Detecting instrument, or multiple and different gas detecting instruments are used side by side, the detection at existing airport or station is exactly using multiple inspections
Instrument is surveyed side by side using being directed to different gas.And the quantity that this phenomenon results in the need for detecting instrument is more, detection is inconvenient
And increase the investment of cost.
Summary of the invention
The object of the present invention is to provide a kind of gas detection method and gas detecting instruments, to solve the detector of the prior art
The problem of being only capable of detection pure gas, and mixed gas cannot be detected.
The present invention is achieved by the following technical solutions:
A kind of gas detection method, comprising the following steps:
1) prepare the gas sensor group of the variety classes gas sensor including design quantity；
2) prepare the sample of design detection gas, sample size is Yn, and n is natural number；
3) control gas N0 is provided to the gas sensor group, the gas passes each of in the gas sensor group
Sensor exports corresponding control signal to control module, and the control module exports the control signal soft to abview
Part, the control signal of all gas sensors form different peak values on the curve of abview software, and corresponding peak value is total
With composition control signal array H0, and save；
4) selecting step 2) in sample Y1, and be supplied to the gas sensor group；In the gas sensor group
Each gas sensor exports corresponding data-signal to the control module, and the control module believes the data
Abview software is given in number output, and the data-signal of all gas sensors forms different peaks on the curve of abview software
Value, corresponding peak value collectively constitute array H1, save array H1 and corresponding sample composition；
5) step 3) is repeated, control signal array H01 is obtained and is compared with control signal array H0, if in design model
In enclosing, then step 6) is carried out, otherwise, repeats step 3)；
6) sample Y2 is chosen from the step 2), repeats step 4), obtains array H2, saves array H2 and corresponding sample
Product composition；
7) step 5) and step 6) are repeated, until sample Yn, and array Hn is obtained, save array Hn and corresponding sample sets
At；
8) by array H1 and corresponding sample composition, array H2 and corresponding sample composition until array Hn and corresponding sample
Product composition sets up database；
9) gas to be detected is supplied to the gas sensor group, the gas each of in the gas sensor group
Sensor exports corresponding data-signal to the control module, the control module by the data-signal export to
Abview software, the data-signal of all gas sensors form different peak values on the curve of abview software, corresponding
Peak value collectively constitute gas array to be detected, the gas array to be detected is compared with the array in database, most connects
Array corresponding to sample composition be gas composition to be detected.
Gas sensor group includes nine kinds of sensors sensitive to gas with various, respectively first sensor, the second sensing
Device, 3rd sensor, the 4th sensor, the 5th sensor, the 6th sensor, the 7th sensor, the 8th sensor and the 9th pass
Sensor.
Comparison in step 5) includes the independent comparison between the control signal of each gas sensor, also includes control letter
The comparison of the integrated value of the integrated value and control signal array H01 of number group H0.
Comparison in step 9) includes the data-signal gas corresponding with array each in database of each gas sensor
The comparison of the data-signal of body sensor, also including gas array to be detected integrated value and data be in each array synthesis
The comparison of value.
For the abview software installation on external equipment, the external equipment is computer or central processing unit.
A kind of gas detecting instrument, including gas collection module, gas detection module, power supply module, control module and outside
Equipment；
The gas collection module includes air pump, gas chamber, air intake duct, exhaust pipe and connection tracheae；The air intake duct enters
Outlet with environmental communication to be measured, the air intake duct is connect with the entrance of the gas chamber；It is described connection tracheae entrance with it is described
The outlet of gas chamber connects, and the outlet of the connection tracheae is connect with the entrance of the air pump；The entrance of the exhaust pipe with it is described
The outlet of air pump connects, the outlet of the exhaust pipe and the environmental communication to be measured；
The gas detection module is made of gas sensor group, and the gas sensor group includes two or more
Gas sensor；The gas sensor is set side by side, and the gas sensor group is set in the gas chamber；
Each gas sensor corresponds signal with the control module input port and connect；
The power supply module is electrically connected with the air pump, the gas sensor and the control module respectively；It is described outer
Portion's equipment is connect with the control module signal.
The gas sensor group includes nine kinds of sensors sensitive to gas with various, respectively first sensor, second
Sensor, 3rd sensor, the 4th sensor, the 5th sensor, the 6th sensor, the 7th sensor, the 8th sensor and
Nine sensors.
It is all the same to the gas flow rate of each sensor offer in the gas chamber.
The power supply module includes power supply and voltage changing module；The gas sensor group is connect with the power lead；
The power supply is connect with the voltage changing module conducting wire, and the air pump is connect with the voltage changing module conducting wire；
The control module is connect with power lead or the control module is connect by USB interface with external power supply.
It is provided with memory module on the control module.
The beneficial effects of the present invention are:
The gas detection method of the technical program is that gas detection module is guaranteeing to detect environment by gas collection module
Detection gas are provided in the case where constant, and using in detection module, gas with various sensor proposes the sensibility of gas with various
It is accurate with the detection for improving gas detecting instrument with the mixing of the gas with various in corresponding detected place for integrated data group
Degree.
Detailed description of the invention
Fig. 1 is the schematic diagram of detector of the present invention；
Fig. 2 is that schematic diagram is arranged in blank control in labview；
Fig. 3 is that schematic diagram is arranged in data collection in labview；
Fig. 4 is detector neural metwork training lab diagram；
Fig. 5 is detector predicted value and actual comparison data schematic table.
Specific embodiment
Carry out the technical solution that the present invention will be described in detail by the following examples, embodiment below is merely exemplary, only
It can be used to explanation and illustration technical solution of the present invention, and be not to be construed as the limitation to technical solution of the present invention.
The application provides a kind of gas detection method, comprising the following steps:
1) prepare the gas sensor group of the variety classes gas sensor including design quantity；In the present embodiment, gas
Body sensor group includes nine kinds of sensors sensitive to gas with various, respectively first sensor, second sensor, third sensing
Device, the 4th sensor, the 5th sensor, the 6th sensor, the 7th sensor, the 8th sensor and the 9th sensor.In this Shen
In other embodiments please, the gas sensor type in each gas sensor group can be more than nine kinds or less than nine
Kind, it is preferred that being nine kinds of gas sensors, this nine kinds of gas sensors are that each gas sensor is to one or two
Gas sensitization.
2) prepare the sample of design detection gas, sample size is Yn, and n is natural number；According to the difference of sample, data
Library is not identical, and can increase in the case where increasing sample database, can also be by using self study function
Can, increase the array amount of database.
3) control gas N0 is provided to gas sensor group, each gas sensor in gas sensor group is to control
Module exports corresponding control signal, and control module, which exports control signal, gives abview software, all gas sensors
Control signal forms different peak values on the curve of abview software, and corresponding peak value collectively constitutes control signal array H0,
And it saves；In this application, control gas is usually air, but also be can according to need using other gases, such as inertia
Gas, hydrogen etc., it is preferred to use air.
In the other embodiments of the application, the control signal that control module obtains can also be exported to external equipment
In, such as in chromatograph or labview software, to obtain the data such as corresponding curve and peak value.
4) selecting step 2) in sample Y1, and be supplied to gas sensor group；Each gas in gas sensor group
Sensor exports corresponding data-signal to control module, and data-signal is exported and gives abview software by control module, owns
The data-signal of gas sensor different peak values is formed on the curve of abview software, corresponding peak value collectively constitutes number
Group H1, saves array H1 and corresponding sample composition；Gas sensor exports the susceptibility of gas with various according to it corresponding
Data-signal, data-signal can be the existing convenient value such as concentration percentage composition, molar concentration, volume content, herein without
Detailed description.
In the other embodiments of the application, the control signal that control module obtains can also be exported to external equipment
In, such as in chromatograph or labview software, to obtain the data such as corresponding curve and peak value.
5) step 3) is repeated, control signal array H01 is obtained and is compared with control signal array H0, if in design model
In enclosing, then step 6) is carried out, otherwise, repeats step 3)；Compare between the control signal including each gas sensor
Individually comparison, the also comparison of the integrated value including control signal array H0 and the integrated value of control signal array H01.Integrated value is adopted
It is calculated with conventional mathematical function algorithm.
6) sample Y2 is chosen from step 2), repeats step 4), obtains array H2, saves array H2 and corresponding sample sets
At.
7) step 5) and step 6) are repeated, until sample Yn, and array Hn is obtained, save array Hn and corresponding sample sets
At.
8) by array H1 and corresponding sample composition, array H2 and corresponding sample composition until array Hn and corresponding sample
Product composition sets up database, and database is stored in control module, or is stored in external equipment.
9) gas to be detected is supplied to gas sensor group, each gas sensor in gas sensor group is to control
Molding block exports corresponding data-signal, and control module, which exports data-signal, gives abview software, all gas sensors
Data-signal different peak values is formed on the curve of abview software, corresponding peak value collectively constitutes gas number to be detected
Group, gas array to be detected are compared with the array in database, and sample composition corresponding to the array most connect is as to be checked
Survey gas composition.
Compare the data-signal gas sensor corresponding with array each in database including each gas sensor
The comparison of data-signal, also including gas array to be detected integrated value and data be in each array integrated value comparison.
Integrated value is calculated using conventional mathematical function algorithm.
For abview software installation on external equipment, external equipment is computer or central processing unit.
Gas sensor group includes nine kinds of sensors sensitive to gas with various, respectively first sensor, the second sensing
Device, 3rd sensor, the 4th sensor, the 5th sensor, the 6th sensor, the 7th sensor, the 8th sensor and the 9th pass
Sensor.
The application provides a kind of gas detecting instrument, a kind of gas detecting instrument, including gas collection module, gas detection mould
Block, power supply module, control module and external equipment.
As shown in Figure 1, gas collection module includes air pump, gas chamber, air intake duct, exhaust pipe and connection tracheae；Air intake duct
Enter and is connected with environmental communication to be measured, the outlet of air intake duct and the entrance of gas chamber；The outlet for connecting the entrance and gas chamber of tracheae connects,
The entrance of the outlet and air pump that connect tracheae connects；The outlet of the entrance of exhaust pipe and air pump connects, the outlet of exhaust pipe with to
Survey environmental communication.
In this application, the purpose of gas chamber is to provide same gas stream for all gas sensor in gas collection module
The air-flow of amount, to guarantee detection data property really, shape or structure for gas chamber etc. and without specifically requiring, as long as energy
It is enough to realize that the gas flow rate provided each sensor is all the same.
In the present embodiment, as shown in Figures 2 to 5, environment to be measured is simulated using gas bottle, and calibrating gas is added to
It in gas bottle, is stoppered using rubber stopper, the outlet end of the arrival end of air intake duct and exhaust pipe is passed through into rubber stopper and gas bottle
Connection realizes the stabilization for collecting data in this way, guaranteeing to run in closed circulation system after opening air pump.
Gas detection module is made of gas sensor group, and gas sensor group includes that two or more gas passes
Sensor；Gas sensor is set side by side, and gas sensor group is set in gas chamber.
Gas sensor group includes nine kinds of sensors sensitive to gas with various, respectively first sensor, the second sensing
Device, 3rd sensor, the 4th sensor, the 5th sensor, the 6th sensor, the 7th sensor, the 8th sensor and the 9th pass
Sensor.In this application, each gas sensor output data is analog signal.
In the present embodiment, gas sensor group by nine kinds respectively the sensor sensitive to gas with various form, still, one
When a gas sensor is to specific gas sensitization, other gas sensors are although insensitive to the gas, but there is also
Certain response numerical value, and the different and different gas concentration of response numerical value of remaining eight kinds of gas sensor
Under, the response numerical value of remaining eight kinds of gas sensor may have different variations, these different responses are collected to be formed
Each array, each array represent the gas of certain concentration.
Herein by taking alcohol gas as an example, in gas sensor group, alcohol gas sensor is most sensitive to alcohol gas,
The peak of curve highest being shown on labview；And other eight kinds of gas sensors are also individually present centainly on labview
Peak value, therefore, will after the data collection of each peak value in this nine kinds of gas sensors formed an array；When change ethanol gas
When the concentration of body, the peak value of each sensor has corresponding variation, these new peak values form a new array after collecting.
By repeatedly, multiple types data collection, form database about alcohol gas after training, when unknown at certain
Gas in, when containing certain density alcohol gas, formed practical array can have centainly with the data in database
Matching, such signal export when, can accurately detect the alcohol gas and concentration in unknown gas；Equally, for
Other gases also can accurately detected.
By multiple array set formed database, by database purchase in control module, when gas sensor group again into
When row is actually detected, each gas sensor passes to control by signal for the data response numerical value of the gas in detection place
After module, practical array is formed within the control module, is compared with database, to determine the real gas kind in detection place
Class.
Each gas sensor corresponds signal with control module input port and connect.
Power supply module is electrically connected with air pump, gas sensor and control module respectively.
External equipment is connect with control module signal, and for abview software installation on external equipment, external equipment is computer
Or central processing unit.
In the present embodiment, power supply is mobile power source, output voltage 5V, every kind of gas sensor in gas sensor group
Operating voltage be 5V；The operating voltage of air pump is 12V；The operating voltage of control module is 3.3V-5V.
Power supply module includes power supply and voltage changing module；Gas sensor group is connect with power lead.Gas sensor group
Each gas sensor is connected in parallel on power supply.
Power supply is connect with voltage changing module conducting wire, and air pump is connect with voltage changing module conducting wire.
Control module is connect with power lead or control module is connect with external power supply；Specially control module can be straight
It connects and connects to power supply, realize the independence of detecting instrument；On the other hand, when detecting instrument when detecting, can with external power supply,
For example connect by USB interface with computer, then computer directly can provide power supply for control module, and can be carried out data transmission.
Memory module is provided in control module；Control module is Arduino-leo plate.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And deformation, the scope of the present invention are extremely equally limited by appended claims.
Claims (10)
1. a kind of gas detection method, which comprises the following steps:
1) prepare the gas sensor group of the variety classes gas sensor including design quantity；
2) prepare the sample of design detection gas, sample size is Yn, and n is natural number；
3) control gas N0, the gas sensor each of in the gas sensor group are provided to the gas sensor group
Corresponding control signal is exported to control module, the control module, which exports the control signal, gives abview software, institute
The control signal of some gas sensors forms different peak values on the curve of abview software, and corresponding peak value collectively constitutes
Control signal array H0, and save；
4) selecting step 2) in sample Y1, and be supplied to the gas sensor group；Each of in the gas sensor group
The gas sensor exports corresponding data-signal to the control module, and the control module is defeated by the data-signal
Abview software is given out, the data-signal of all gas sensors forms different peak values on the curve of abview software,
Corresponding peak value collectively constitutes array H1, saves array H1 and corresponding sample composition；
5) step 3) is repeated, control signal array H01 is obtained and is compared with control signal array H0, if in scope of design
It is interior, then step 6) is carried out, otherwise, repeats step 3)；
6) sample Y2 is chosen from the step 2), repeats step 4), obtains array H2, saves array H2 and corresponding sample sets
At；
7) step 5) and step 6) are repeated, until sample Yn, and array Hn is obtained, save array Hn and corresponding sample composition；
8) by array H1 and corresponding sample composition, array H2 and corresponding sample composition until array Hn and corresponding sample sets
At establishment database；
9) gas to be detected is supplied to the gas sensor group, the gas sensing each of in the gas sensor group
Device exports corresponding data-signal to the control module, and the control module exports the data-signal soft to abview
Part, the data-signal of all gas sensors form different peak values on the curve of abview software, and corresponding peak value is total
With gas array to be detected is formed, the gas array to be detected is compared with the array in database, the array institute most connect
Corresponding sample composition is gas composition to be detected.
2. gas detection method according to claim 1, which is characterized in that gas sensor group includes nine kinds to different gas
The sensor of body sensitivity, respectively first sensor, second sensor, 3rd sensor, the 4th sensor, the 5th sensor,
6th sensor, the 7th sensor, the 8th sensor and the 9th sensor.
3. gas detection method according to claim 1, which is characterized in that the comparison in step 5) includes that each gas passes
Independent comparison between the control signal of sensor, also the integrated value including control signal array H0 is with control signal array H01's
The comparison of integrated value.
4. gas detection method according to claim 1, which is characterized in that the comparison in step 9) includes that each gas passes
The comparison of the data-signal of the data-signal of sensor gas sensor corresponding with array each in database also includes to be detected
The integrated value of gas array and data be in each array integrated value comparison.
5. gas detection method according to claim 1, which is characterized in that the abview software installation is in external equipment
On, the external equipment is computer or central processing unit.
6. a kind of gas detecting instrument, which is characterized in that including gas collection module, gas detection module, power supply module, control mould
Block and external equipment；
The gas collection module includes air pump, gas chamber, air intake duct, exhaust pipe and connection tracheae；The air intake duct enter with to
Environmental communication is surveyed, the outlet of the air intake duct is connect with the entrance of the gas chamber；The entrance and the gas chamber of the connection tracheae
Outlet connection, it is described connection tracheae outlet connect with the entrance of the air pump；The entrance of the exhaust pipe and the air pump
Outlet connection, the outlet of the exhaust pipe and the environmental communication to be measured；
The gas detection module is made of gas sensor group, and the gas sensor group includes two or more gas
Body sensor；The gas sensor is set side by side, and the gas sensor group is set in the gas chamber；
Each gas sensor corresponds signal with the control module input port and connect；
The power supply module is electrically connected with the air pump, the gas sensor and the control module respectively；The outside is set
It is standby to be connect with the control module signal.
7. gas detecting instrument according to claim 6, which is characterized in that the gas sensor group includes nine kinds to difference
The sensor of gas sensitization, respectively first sensor, second sensor, 3rd sensor, the 4th sensor, the 5th sensing
Device, the 6th sensor, the 7th sensor, the 8th sensor and the 9th sensor.
8. gas detecting instrument according to claim 6, which is characterized in that provide in the gas chamber each sensor
Gas flow rate it is all the same.
9. gas detecting instrument according to claim 6, which is characterized in that the power supply module includes power supply and transformation mould
Block；The gas sensor group is connect with the power lead；
The power supply is connect with the voltage changing module conducting wire, and the air pump is connect with the voltage changing module conducting wire；
The control module is connect with power lead or the control module is connect by USB interface with external power supply.
10. gas detecting instrument according to claim 6, which is characterized in that be provided with storage mould on the control module
Block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811294975.4A CN109085313A (en) | 2018-11-01 | 2018-11-01 | A kind of gas detection method and gas detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811294975.4A CN109085313A (en) | 2018-11-01 | 2018-11-01 | A kind of gas detection method and gas detecting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109085313A true CN109085313A (en) | 2018-12-25 |
Family
ID=64844719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811294975.4A Pending CN109085313A (en) | 2018-11-01 | 2018-11-01 | A kind of gas detection method and gas detecting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109085313A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267533A (en) * | 2021-05-18 | 2021-08-17 | 浙江大学 | Device and method for dynamically monitoring VOCs (volatile organic chemicals) on line by self-calibration gas sensor array |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10319001A (en) * | 1997-05-21 | 1998-12-04 | Mitsubishi Rayon Co Ltd | Data processor for identifying specimen component |
| CN101000318A (en) * | 2006-12-28 | 2007-07-18 | 中国科学院合肥物质科学研究院 | Sensor array based on temperature control and gas detection method |
| CN107328847A (en) * | 2017-08-31 | 2017-11-07 | 河北工业大学 | A kind of VOCs gas detecting systems and detection method |
| CN107839672A (en) * | 2017-11-16 | 2018-03-27 | 吉林大学 | A kind of air-pressure brake energy-recuperation system and its control method |
| CN207352753U (en) * | 2017-09-30 | 2018-05-11 | 南京科力赛克安全设备有限公司 | A kind of Portable detection instrument for multiple gases |
| CN108362840A (en) * | 2018-04-20 | 2018-08-03 | 天津澜禹笙环保科技有限公司 | Online detection device based on environment malodor monitoring electronic nose remote reverse control |
-
2018
- 2018-11-01 CN CN201811294975.4A patent/CN109085313A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10319001A (en) * | 1997-05-21 | 1998-12-04 | Mitsubishi Rayon Co Ltd | Data processor for identifying specimen component |
| CN101000318A (en) * | 2006-12-28 | 2007-07-18 | 中国科学院合肥物质科学研究院 | Sensor array based on temperature control and gas detection method |
| CN107328847A (en) * | 2017-08-31 | 2017-11-07 | 河北工业大学 | A kind of VOCs gas detecting systems and detection method |
| CN207352753U (en) * | 2017-09-30 | 2018-05-11 | 南京科力赛克安全设备有限公司 | A kind of Portable detection instrument for multiple gases |
| CN107839672A (en) * | 2017-11-16 | 2018-03-27 | 吉林大学 | A kind of air-pressure brake energy-recuperation system and its control method |
| CN108362840A (en) * | 2018-04-20 | 2018-08-03 | 天津澜禹笙环保科技有限公司 | Online detection device based on environment malodor monitoring electronic nose remote reverse control |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267533A (en) * | 2021-05-18 | 2021-08-17 | 浙江大学 | Device and method for dynamically monitoring VOCs (volatile organic chemicals) on line by self-calibration gas sensor array |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101368927B (en) | Self-calibration gas sensor | |
| Hou et al. | A portable embedded toxic gas detection device based on a cross-responsive sensor array | |
| CN106053551A (en) | Multi-channel multi-type sensor capability test system | |
| CN102192927B (en) | Air-quality monitoring system based on electronic nose technique, and monitoring method thereof | |
| CN204666549U (en) | Based on the mixed gas detection system of BP neural network | |
| CN205898730U (en) | Multichannel polytypic sensor capability test system | |
| CN109187667A (en) | Environmental gas apparatus for measuring concentration and its application method | |
| CN107132314A (en) | A kind of olfactory sensor array detection equipment and Artificial Olfactory device | |
| CN104316112A (en) | Detector for multiple types of gas | |
| CN105866190A (en) | Electronic nose device for food detection and detection method | |
| CN109085313A (en) | A kind of gas detection method and gas detecting instrument | |
| CN103838210B (en) | Remote wireless monitoring system and method for toxic gas in emergency site | |
| Bastuck | Improving the performance of gas sensor systems with advanced data evaluation, operation, and calibration methods | |
| CN109085311A (en) | A kind of gas detecting instrument | |
| CN109085309A (en) | A kind of gas detecting instrument | |
| CN102095782B (en) | Gas on-line detection device based on micro-nano carbon nano tube film three-electrode | |
| CN109142649A (en) | A kind of gas detection method | |
| CN109784390A (en) | A kind of artificial intelligence smell dynamic response map gas detection recognition methods | |
| CN109085310A (en) | A kind of gas detection method and gas detecting instrument | |
| CN110455984A (en) | Gas concentration sensor caliberating device and method | |
| CN102749273A (en) | Aerosol particle size classification detection system | |
| CN109239285B (en) | Detector for measuring meat corruption degree | |
| Al-Okby et al. | Robot-based Environmental Monitoring in Automated Life Science Laboratories | |
| CN109085312A (en) | A kind of gas detection method | |
| CN105424754A (en) | Intelligent home formaldehyde concentration detection system based on radio frequency recognition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181225 |
|
| WD01 | Invention patent application deemed withdrawn after publication |