CN110456002A - A kind of gasometric analysis device and method - Google Patents
A kind of gasometric analysis device and method Download PDFInfo
- Publication number
- CN110456002A CN110456002A CN201910754224.4A CN201910754224A CN110456002A CN 110456002 A CN110456002 A CN 110456002A CN 201910754224 A CN201910754224 A CN 201910754224A CN 110456002 A CN110456002 A CN 110456002A
- Authority
- CN
- China
- Prior art keywords
- closed box
- gas
- humidity
- temperature
- mixed
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
-
- 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
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of gasometric analysis device and method, it is connected by the mixed gases matching device with the closed box, the mixed gas obtained after calibrating gas is mixed with object gas according to default proportion, inputs in the closed box vacuumized in advance；The environment control unit is connected with the closed box, temperature in the closed box is adjusted to preset temperature, humidity is to default humidity, electronic nose is compared the gaseous species that the mixed gas in presently described closed box measures with the type in the mixed gas again, if they are the same, determine that electronic nose works normally.The mixed gas of electronic nose measurement Known Species is reused to the mixed gas for preparing Known Species by gasometric analysis device and method disclosed above, can determine whether electronic nose measurement gas is accurate finally by measurement result.
Description
Technical field
The present invention relates to control technology field, specially a kind of gasometric analysis device and method.
Background technique
Artificial Olfactory sensor is complicated to the response of smell, is by between scent molecule and sensor sensing material
What interaction determined.In Artificial Olfactory measurement process, had an impact since environmental factor can respond sensor array,
Middle temperature, humidity and atmospheric pressure are to influence maximum environmental factor to sensor array response.Temperature, humidity and atmospheric pressure
It influences, is not only embodied in the influence to sensor array, be also embodied between the ingredient of tested gas that there are higher associations
Property.Therefore the prior art generally uses non-linear compensation method, compensates to tested smell, to reach to gas analysis
Purpose.
But the device due to being analyzed using non-linear compensation method gas, it is inaccurate to analyze obtained result
Really, whether feasible therefore, it is necessary to verify the method for mixing smell signal separating method and environmental impact factor compensation.However it is existing
There is no collection mixed gases matching, temperature, humidity and pressure controlled experimental provisions in technology, therefore, because in the prior art
There is no gas analyzing apparatus, so that the knot for the device analysis analyzed using non-linear compensation method gas can not be verified
Whether fruit is accurate.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of gasometric analysis device and method, using electronic nose to matching
The mixed gas measurement made, and the accuracy that electronic nose measures is determined according to measurement result.
To achieve the above object, the embodiment of the present invention provides the following technical solutions:
The application first aspect discloses a kind of gasometric analysis device, comprising: mixed gases matching device, closed box
And environment control unit；
The mixed gases matching device is connected with the closed box, by calibrating gas and object gas according to default proportion
The mixed gas obtained after being mixed inputs in the closed box vacuumized in advance；
The environment control unit is connected with the closed box, adjusts the temperature in the closed box to preset temperature, wet
Degree is to default humidity, then the gaseous species that electronic nose measures the mixed gas in presently described closed box and institute
The type stated in mixed gas is compared, and if they are the same, determines that electronic nose works normally.
Preferably, the environment control unit, comprising: temperature sensor, pressure sensor, vacuumizes humidity sensor
Device, controller, humidity conditioner, water loop temperature control device, mostly micro- filling apparatus and liquid reagent disk；
The temperature sensor, the humidity sensor and the pressure sensor are arranged in the closed box, and with
The controller is connected, and the temperature sensor acquires the temperature in the closed box and the temperature is transferred to the control
Device；
The humidity sensor acquires the humidity of the closed box, and the humidity is transferred to the controller；
The pressure sensor acquires the pressure of the closed box, and the pressure is transmitted to the controller；
The vacuum evacuation device is connected with the closed box, and the controller is according to the collected pressure of the pressure sensor
The vacuum evacuation device is controlled by force to vacuumize the closed box；
The humidity conditioner is arranged in the closed box side, is connected with the controller, the controller passes through
It controls the humidity conditioner and adjusts humidity in the closed box to default humidity；
The water loop temperature control device is arranged in the closed box side, is connected with the controller, the control
Device adjusts the temperature in the closed box to preset temperature by controlling the temperature control equipment；
The liquid reagent disk is arranged in the closed box, and mostly micro- filling apparatus is connected with the closed box, when
When mixed gas is prepared by volatile liquid, the volatile liquid of default type is added to the liquid by mostly micro- filling apparatus
In reagent disc, the volatile liquid of the default type is heated to obtain object gas.
Preferably, further includes: display equipment；
The display equipment is connected with the controller, for showing temperature, humidity and pressure in the closed box.
Preferably, the environment control unit is also used to that vacuumize process will be carried out to the closed box, and is vacuumizing
The backward closed box injects purge gas, cleans to the sensor array of the electronic nose.
The application second aspect discloses a kind of gasometric analysis method, suitable for gasometric analysis disclosed above
Device, the gasometric analysis device are made of mixed gases matching device, closed box and closed box environment control unit, institute
State method, comprising:
According to default proportion, calibrating gas and object gas are mixed, n kind mixed gas is obtained；
By the temperature in the closed box that vacuumizes in advance of mixed gas input, adjusted in the closed box to default temperature
Angle value adjusts the humidity in the closed box to default humidity, determines electronic nose to the mixed gas in presently described closed box
The gaseous species measured；
Whether the type compared in the gaseous species and the mixed gas is identical, if they are the same, determines that electronic nose works
Normally.
Preferably, the default proportion of the foundation, calibrating gas and object gas are mixed, n kind mixed gas is obtained,
Include:
According to default proportion, Xiang Suoshu closed box injects the purge gas of predetermined amount；
The volatile liquid of default type is added；
The volatile liquid of the default type is heated to obtain object gas, the object gas and the cleaning
The mixed gas with n kind gas is obtained after gas mixing.
Preferably, after the determining electronic nose works normally, further includes:
Purge gas is injected into the closed box vacuumized, the sensor array of the electronic nose is cleaned.
Preferably, the purge gas is inert gas.
Preferably, the inert gas is argon gas.
As shown in the above, the invention discloses a kind of gasometric analysis device and method, pass through the gaseous mixture
Body matching device is connected with the closed box, and what is obtained after calibrating gas is mixed with object gas according to default proportion is mixed
Gas is closed, is inputted in the closed box vacuumized in advance；The environment control unit is connected with the closed box, described in adjusting
Temperature in closed box is to preset temperature, humidity to default humidity, then by electronic nose to the gaseous mixture in presently described closed box
The gaseous species that body measures are compared with the type in the mixed gas, if they are the same, determine that electronic nose is normal
Work.Electronics is reused to the mixed gas for preparing Known Species by gasometric analysis device and method disclosed above
Nose measures the mixed gas of Known Species, can determine whether electronic nose measurement gas is accurate finally by measurement result.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of gasometric analysis apparatus structure schematic diagram provided in an embodiment of the present invention；
Fig. 2 is another gasometric analysis apparatus structure schematic diagram provided in an embodiment of the present invention；
Fig. 3 is another gasometric analysis apparatus structure schematic diagram provided in an embodiment of the present invention；
Fig. 4 is a kind of gasometric analysis method flow diagram provided in an embodiment of the present invention；
Fig. 5 is another gasometric analysis method flow diagram provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In this application, the terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion,
So that the process, method, article or equipment for including a series of elements not only includes those elements, but also including not having
The other element being expressly recited, or further include for elements inherent to such a process, method, article, or device.Do not having
There is the element limited in the case where more limiting by sentence "including a ...", it is not excluded that in the mistake including the element
There is also other identical elements in journey, method, article or equipment.
The embodiment of the present invention provides a kind of gasometric analysis device, referring to structural schematic diagram shown in fig. 1, the gas
Quantitative analysis device, comprising: mixed gases matching device 100, closed box 200 and environment control unit 300.
The mixed gases matching device 100 is connected with the closed box 200, by calibrating gas and object gas according to pre-
Establishing inputs in the closed box 200 vacuumized in advance than the mixed gas obtained after being mixed.
It should be noted that calibrating gas and object gas are mainly configured to by the mixed gases matching device 100
Mixed gas, the calibrating gas are even concentrations, and good stabilization and magnitude accurately measure standard, they have reproduction,
The basic role for saving and transmitting magnitude, it is chemical in physics, calibration measurement instrument and survey are used in biology and engineering measurement field
Amount process evaluates the accuracy of measurement method and the detectability of testing laboratory, determines the characteristic magnitude of material or product, into
Row magnitude arbitration etc..
It should also be noted that, the calibrating gas is divided into binary, ternary and multi-component standard gas.
The environment control unit 300 is connected with the closed box 200, adjusts temperature in the closed box 200 to pre-
If temperature, humidity to default humidity, then electronic nose measures the mixed gas in presently described closed box 200
Gaseous species are compared with the type in the mixed gas, if they are the same, determine that electronic nose works normally.
It should be noted that the environment control unit 300 can according to demand arrive the temperature adjusting in closed box 200
Preset temperature and humidity regulation are to default humidity.
The environment control unit 300 is also used to that vacuumize process will be carried out to the closed box 200, and after evacuation
Purge gas is injected to the closed box 200, the sensor array of the electronic nose is cleaned.
The purge gas is inert gas, and in this application, the inert gas is argon gas, but the inert gas is simultaneously
It is not limited only to argon gas.
It should be noted that in the closed box 200 that purge gas injection is vacuumized, mainly to the gas of electronic nose
Body sensor array is cleaned.
It should also be noted that, the electronic nose is by smell sampling operation device, gas sensor array and signal processing system
Three kinds of function elements of uniting form.The dominant mechanism of electronic nose identification smell is each sensor in an array to tested gas
There is different sensitivity, for example, No.1 gas can generate high response on some sensor, and to other sensors is then low sound
It answers, equally, the sensor that No. two gases generate high response is then insensitive to No.1 gas, after all, entire sensor array
The response pattern of gas with various is different, exactly this difference just enables the system to be known according to the response pattern of sensor
Other smell.
It should also be noted that, by the measurement to mixed gas of electronic nose, the type of available mixed gas, by
In mixed gas be formulated by calibrating gas and object gas, therefore, the type of mixed gas be it is known, if electricity consumption
The type that sub- nose obtains mixed gas measurement is identical as Known Species in mixed gas, then shows that electronic nose surveys mixed gas
Amount is accurate, if the type obtained to mixed gas measurement with electronic nose is different from Known Species in mixed gas, shows electronics
Nose measures inaccuracy to mixed gas.
The application is connected by the mixed gases matching device with the closed box, by calibrating gas and object gas according to
The mixed gas obtained after being mixed according to default proportion inputs in the closed box vacuumized in advance；The environmental Kuznets Curves
Device is connected with the closed box, adjusts temperature in the closed box to preset temperature, humidity to default humidity, then by electronics
The type in gaseous species and the mixed gas that nose measures the mixed gas in presently described closed box into
Row compares, and if they are the same, determines that electronic nose works normally.By gasometric analysis device disclosed above, to known kind of preparation
The mixed gas of class reuses the mixed gas of electronic nose measurement Known Species, can determine electronics finally by measurement result
Whether nose measures gas accurate.
Based on gasometric analysis device disclosed above, in conjunction with Fig. 1, with reference to Fig. 2, for another gas provided by the present application
Body quantitative analysis device, the gasometric analysis device, comprising: mixed gases matching device 100, closed box 200 and environment
Control device 300；
The mixed gases matching device 100 is connected with the closed box 200, by calibrating gas and object gas according to pre-
Establishing inputs in the closed box 200 vacuumized in advance than the mixed gas obtained after being mixed.
The environment control unit 300 is connected with the closed box 200, adjusts temperature in the closed box 200 to pre-
If temperature, humidity to default humidity, then electronic nose measures the mixed gas in presently described closed box 200
Gaseous species are compared with the type in the mixed gas, if they are the same, determine that electronic nose works normally.
Specifically, the environment control unit 300, comprising: temperature sensor 301, humidity sensor 302, pressure sensing
Device 303, vacuum evacuation device 304, controller 305, humidity conditioner 306, water loop temperature control device 307, mostly micro- filling
Device 308 and liquid reagent disk 309.
The temperature sensor 301, the humidity sensor 302 and the pressure sensor 303 are arranged described closed
In case 200, and it is connected with the controller 305, the temperature sensor 301 acquires the temperature in the closed box 200 and will
The temperature is transferred to the controller 305.
It should be noted that the temperature sensor 301 is temperature acquisition equipment, mixed for acquiring in closed box 200
The temperature of gas, and collected temperature is transferred to controller 305.
The humidity sensor 302 acquires the humidity of the closed box 200, and the humidity is transferred to the controller
305。
It should be noted that the humidity sensor 302 is humidity collection equipment, mixed for acquiring in closed box 200
The humidity of gas, and collected humidity is transferred to controller 305.
The pressure sensor 303 acquires the pressure of the closed box 200, and the pressure is transmitted to the controller
305。
It should be noted that the pressure sensor 303 is that pressure acquires equipment, for acquiring the pressure of closed box 200.
The vacuum evacuation device 304 is connected with the closed box 200, and the controller 305 is according to the pressure sensor
303 collected pressure control the vacuum evacuation device 304 and vacuumize to the closed box 200.
The humidity conditioner 306 is arranged in 200 side of closed box, is connected with the controller 305, the control
Device 305 processed adjusts the humidity in the closed box 200 to default humidity by controlling the humidity conditioner 306.
The water loop temperature control device 307 is arranged in 200 side of closed box, is connected with the controller 305,
The controller 305 adjusts the temperature in the closed box 200 to preset temperature by controlling the temperature control equipment.
It should be noted that when the temperature control in the closed box 200 is being preset in preset temperature and humid control
When humidity, the air pressure in closed box 200 is calculated by formula (1).
Formula (1) are as follows:
PV=nRT (1)
Wherein, the P is the pressure of perfect gas, and V is the volume of perfect gas, and n indicates the amount of gaseous matter, and T is then
Indicate the thermodynamic temperature of perfect gas, R is ideal gas constant.
It should also be noted that, if the pressure P being calculated is compared with by the collected pressure of pressure sensor 303
Compared with illustrating that there is no gases to leak in closed box 200, the closed box 200 in closed box 200 is fine if being not much different.
The liquid reagent disk 309 is arranged in the closed box 200, mostly micro- filling apparatus 308 with it is described closed
Case 200 is connected, and when mixed gas is prepared by volatile liquid, mostly micro- filling apparatus 308 is by the volatile of default type
Liquid adds in the liquid reagent disk 309, heats to obtain object gas to the volatile liquid of the default type.
It should be noted that gas needs to absorb in volatilization process since volatile liquid volatilization needs the time longer
Therefore amount of heat by heating volatile liquid, provides volatilization institute's calorific requirement for volatile liquid, and accelerate volatile liquid
Body volatilization, shortens the time required for volatile liquid.
It should also be noted that, the dosage of the volatile liquid contains after guaranteeing vaporization no more than the reagent saturated vapor
Amount just can not be complete by all volatile liquids because being more than reagent saturated vapor content after the vaporization of volatile liquid reagent content
Full vaporization will lead to volatile liquid residual, influence the measurement result of electronic nose.
The application is connected by the mixed gases matching device with the closed box, by calibrating gas and object gas according to
The mixed gas obtained after being mixed according to default proportion inputs in the closed box vacuumized in advance；The environmental Kuznets Curves
Device is connected with the closed box, adjusts temperature in the closed box to preset temperature, humidity to default humidity, then by electronics
The type in gaseous species and the mixed gas that nose measures the mixed gas in presently described closed box into
Row compares, and if they are the same, determines that electronic nose works normally.By gasometric analysis device disclosed above, to known kind of preparation
The mixed gas of class reuses the mixed gas of electronic nose measurement Known Species, can determine that electronic nose is surveyed by measurement result
Whether accurate measure gas.
Preferably, the gasometric analysis device, as shown in Figure 3, further includes: display equipment 400.
The display equipment 400 is connected with the controller 305, for showing temperature, humidity in the closed box 200
And pressure.
It should be noted that the display equipment 400 can be light-emitting diode display, or other are with display function
Equipment, in this application, the display equipment 400 is not limited only to light-emitting diode display.
It should also be noted that, temperature, humidity and pressure in closed box 200 are shown by the display equipment 400, it can
Temperature, humidity and the pressure in closed box 200 are accurately grasped to facilitate operation personnel.
Corresponding with above-mentioned gasometric analysis device provided by the embodiments of the present application, the embodiment of the present application also provides phases
The gasometric analysis method answered, as shown in figure 4, for a kind of gasometric analysis method disclosed in the embodiment of the present application, it is described
Gasometric analysis method, comprising:
Step S401: according to default proportion, calibrating gas and object gas is mixed, n kind mixed gas is obtained.
It should be noted that when needing to configure mixed gas by volatile liquid, as shown in figure 5, shown in Fig. 4
The detailed process of step S401 the following steps are included:
Step S501: according to default proportion, Xiang Suoshu closed box injects the purge gas of predetermined amount.
Step S502: the volatile liquid of default type is added.
Step S503: the volatile liquid of the default type is heated to obtain object gas, the object gas
The mixed gas with n kind gas is obtained with after purge gas mixing.
Step S402: in the closed box that mixed gas input is vacuumized in advance, the temperature in the closed box is adjusted
Degree adjusts the humidity in the closed box to default humidity, determines electronic nose in presently described closed box to preset temperature value
The gaseous species that measure of mixed gas.
Step S403: whether the type in the gaseous species and the mixed gas is identical, if they are the same, determines electricity
Sub- nose is working properly.
Preferably, after executing the step S403, the gasometric analysis method, further includes:
Purge gas is injected into the closed box vacuumized, the sensor array of the electronic nose is cleaned.
It should be noted that the purge gas is inert gas.
It each unit of gasometric analysis method disclosed in the embodiments of the present invention and the specific principle of module and holds
Row process, it is identical as gasometric analysis device disclosed in the embodiments of the present invention, reference can be made to the embodiments of the present invention are public
Corresponding part in the gasometric analysis device opened, is not discussed here.
The embodiment of the present application passes through according to default proportion, and calibrating gas and object gas are mixed, and obtains the mixing of n kind
Gas；By the temperature in the closed box that vacuumizes in advance of mixed gas input, adjusted in the closed box to preset temperature
Value adjusts humidity in the closed box to default humidity, determine electronic nose to the mixed gas in presently described closed box into
The gaseous species that row measurement obtains；Whether the type compared in the gaseous species and the mixed gas is identical, if they are the same, really
It is working properly to determine electronic nose.By gasometric analysis method disclosed above, to the mixed gas of preparation Known Species, then make
With the mixed gas of electronic nose measurement Known Species, can determine whether electronic nose measurement gas is quasi- finally by measurement result
Really.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system or
For system embodiment, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to method
The part of embodiment illustrates.System and system embodiment described above is only schematical, wherein the conduct
The unit of separate part description may or may not be physically separated, component shown as a unit can be or
Person may not be physical unit, it can and it is in one place, or may be distributed over multiple network units.It can root
According to actual need that some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.Ordinary skill
Personnel can understand and implement without creative efforts.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
1. a kind of gasometric analysis device characterized by comprising mixed gases matching device, closed box and environmental Kuznets Curves
Device；
The mixed gases matching device is connected with the closed box, and calibrating gas and object gas are carried out according to default proportion
The mixed gas obtained after mixing inputs in the closed box vacuumized in advance；
The environment control unit is connected with the closed box, adjusts the temperature in the closed box to preset temperature, humidity is extremely
Default humidity, then electronic nose mixes the gaseous species that the mixed gas in presently described closed box measures with described
The type closed in gas is compared, and if they are the same, determines that electronic nose works normally.
2. the apparatus according to claim 1, which is characterized in that the environment control unit, comprising: temperature sensor, wet
Spend sensor, pressure sensor, vacuum evacuation device, controller, humidity conditioner, water loop temperature control device, Duo Weijia
Dispensing device and liquid reagent disk；
The temperature sensor, the humidity sensor and the pressure sensor are arranged in the closed box, and with it is described
Controller is connected, and the temperature sensor acquires the temperature in the closed box and the temperature is transferred to the controller；
The humidity sensor acquires the humidity of the closed box, and the humidity is transferred to the controller；
The pressure sensor acquires the pressure of the closed box, and the pressure is transmitted to the controller；
The vacuum evacuation device is connected with the closed box, and the controller is according to the collected pressure control of the pressure sensor
The vacuum evacuation device is made to vacuumize the closed box；
The humidity conditioner is arranged in the closed box side, is connected with the controller, the controller passes through control
The humidity conditioner adjusts the humidity in the closed box to default humidity；
The water loop temperature control device is arranged in the closed box side, is connected with the controller, and the controller is logical
It crosses and controls the temperature control equipment and adjust temperature in the closed box to preset temperature；
The liquid reagent disk is arranged in the closed box, and mostly micro- filling apparatus is connected with the closed box, works as mixing
When gas is prepared by volatile liquid, the volatile liquid of default type is added to the liquid reagent by mostly micro- filling apparatus
In disk, the volatile liquid of the default type is heated to obtain object gas.
3. the apparatus according to claim 1, which is characterized in that further include: display equipment；
The display equipment is connected with the controller, for showing temperature, humidity and pressure in the closed box.
4. the apparatus according to claim 1, which is characterized in that the environment control unit is also used to will be to the closed box
Vacuumize process is carried out, and injects purge gas to the closed box after evacuation, to the sensor array of the electronic nose
It is cleaned.
5. a kind of gasometric analysis method, which is characterized in that suitable for the gasometric analysis device of claim 1,
The gasometric analysis device is made of mixed gases matching device, closed box and closed box environment control unit, the side
Method, comprising:
According to default proportion, calibrating gas and object gas are mixed, n kind mixed gas is obtained；
By the temperature in the closed box that vacuumizes in advance of mixed gas input, adjusted in the closed box to preset temperature
Value adjusts humidity in the closed box to default humidity, determine electronic nose to the mixed gas in presently described closed box into
The gaseous species that row measurement obtains；
Whether the type compared in the gaseous species and the mixed gas is identical, if they are the same, determines that electronic nose is working properly.
6. according to the method described in claim 5, it is characterized in that, the foundation presets proportion, by calibrating gas and target gas
Body is mixed, and n kind mixed gas is obtained, comprising:
According to default proportion, Xiang Suoshu closed box injects the purge gas of predetermined amount；
The volatile liquid of default type is added；
The volatile liquid of the default type is heated to obtain object gas, the object gas and the purge gas
The mixed gas with n kind gas is obtained after mixing.
7. according to the method described in claim 5, it is characterized in that, after the determining electronic nose normal work, further includes:
Purge gas is injected into the closed box vacuumized, the sensor array of the electronic nose is cleaned.
8. the method according to the description of claim 7 is characterized in that the purge gas is inert gas.
9. according to the method described in claim 8, it is characterized in that, the inert gas is argon gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910754224.4A CN110456002A (en) | 2019-08-15 | 2019-08-15 | A kind of gasometric analysis device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910754224.4A CN110456002A (en) | 2019-08-15 | 2019-08-15 | A kind of gasometric analysis device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110456002A true CN110456002A (en) | 2019-11-15 |
Family
ID=68486851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910754224.4A Pending CN110456002A (en) | 2019-08-15 | 2019-08-15 | A kind of gasometric analysis device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110456002A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924626A (en) * | 2021-01-28 | 2021-06-08 | 言谱物(杭州)智能科技有限责任公司 | Electronic nose device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101299031A (en) * | 2008-06-27 | 2008-11-05 | 中国科学院合肥物质科学研究院 | Method for detecting automobile tail gas based on gas sensor array |
| CN101893591A (en) * | 2010-06-24 | 2010-11-24 | 浙江大学 | Electronic nose system for banana quality detection |
| CN103995089A (en) * | 2014-05-26 | 2014-08-20 | 江苏大学 | WSN (Wireless Sensor Network)-based piggery environment perception electronic nose and working method |
| CN105181890A (en) * | 2015-02-10 | 2015-12-23 | 中国农业大学 | Embedded electronic nose detection system and method |
| CN106483257A (en) * | 2016-12-02 | 2017-03-08 | 山东工商学院 | A kind of Electronic Nose demarcates test system and method |
| CN206440688U (en) * | 2016-12-02 | 2017-08-25 | 山东工商学院 | A kind of electronic nose demarcates test system |
| CN107991460A (en) * | 2017-11-16 | 2018-05-04 | 吉林大学 | A kind of soil nutrient device for fast detecting based on bionic olfactory |
| CN108918602A (en) * | 2018-05-18 | 2018-11-30 | 陕西科技大学 | A kind of semiconductor gas sensor Performance Test System and test method |
-
2019
- 2019-08-15 CN CN201910754224.4A patent/CN110456002A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101299031A (en) * | 2008-06-27 | 2008-11-05 | 中国科学院合肥物质科学研究院 | Method for detecting automobile tail gas based on gas sensor array |
| CN101893591A (en) * | 2010-06-24 | 2010-11-24 | 浙江大学 | Electronic nose system for banana quality detection |
| CN103995089A (en) * | 2014-05-26 | 2014-08-20 | 江苏大学 | WSN (Wireless Sensor Network)-based piggery environment perception electronic nose and working method |
| CN105181890A (en) * | 2015-02-10 | 2015-12-23 | 中国农业大学 | Embedded electronic nose detection system and method |
| CN106483257A (en) * | 2016-12-02 | 2017-03-08 | 山东工商学院 | A kind of Electronic Nose demarcates test system and method |
| CN206440688U (en) * | 2016-12-02 | 2017-08-25 | 山东工商学院 | A kind of electronic nose demarcates test system |
| CN107991460A (en) * | 2017-11-16 | 2018-05-04 | 吉林大学 | A kind of soil nutrient device for fast detecting based on bionic olfactory |
| CN108918602A (en) * | 2018-05-18 | 2018-11-30 | 陕西科技大学 | A kind of semiconductor gas sensor Performance Test System and test method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924626A (en) * | 2021-01-28 | 2021-06-08 | 言谱物(杭州)智能科技有限责任公司 | Electronic nose device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105642140B (en) | A kind of dynamic gas mixer and air distributing method | |
| Beardsell et al. | A null-balance diffusion porometer suitable for use with leaves of many shapes | |
| US8256264B2 (en) | Method and device for detecting the composition of gas mixtures | |
| Oteros et al. | Errors in determining the flow rate of Hirst-type pollen traps | |
| JP5964508B2 (en) | Breath alcohol calibration device with cartridge | |
| Bruins et al. | Enabling a transferable calibration model for metal-oxide type electronic noses | |
| US20090100898A1 (en) | System, apparatus and method for dispensing chemical vapor | |
| EP2700942A2 (en) | Apparatus for measuring perviousness to water vapor | |
| CN108918602A (en) | A kind of semiconductor gas sensor Performance Test System and test method | |
| US11287549B2 (en) | Apparatus and method for radio-sonde temperature and humidity calibration using upper air simulation technology | |
| US11215554B2 (en) | Gas detecting apparatus and method based on terahertz spectroscopy | |
| CN106645310A (en) | Dynamic detection system for semiconductor gas sensor | |
| CN108982198A (en) | A kind of experimental rig for automatic dilution | |
| US5265463A (en) | Apparatus for measuring the transmission rate of volatile organic chemicals through a barrier material | |
| Boon-Brett et al. | A comparison of test methods for the measurement of hydrogen sensor response and recovery times | |
| CN110456002A (en) | A kind of gasometric analysis device and method | |
| US20180252699A1 (en) | Breathalyzer metrological bench | |
| EP2369337A2 (en) | Calorific value calculation formula creation system, method of creating calorific value calculation formula, calorific value measurement system, and method of measuring calorific value | |
| Xu et al. | A technique for measuring CO2 and water vapor profiles within and above plant canopies over short periods | |
| EP0626065A1 (en) | Multiple k factor, selectable gas detector | |
| JPH05273170A (en) | Active chemical sensing device | |
| EP2185946B1 (en) | Device for determination of radon diffusion coefficient | |
| KR20140132422A (en) | Gas emission simulation chamber device and measurement reliability evaluation method using the same | |
| Su et al. | Uncertainty of humidity sensors testing by means of divided-flow generator | |
| CN202916258U (en) | Calibration device for gas sensor |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191115 |