CN110308185A - Gas flow cell - Google Patents
Gas flow cell Download PDFInfo
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- CN110308185A CN110308185A CN201910476730.1A CN201910476730A CN110308185A CN 110308185 A CN110308185 A CN 110308185A CN 201910476730 A CN201910476730 A CN 201910476730A CN 110308185 A CN110308185 A CN 110308185A
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
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Abstract
The present invention provides a kind of gas flow cell, the gas flow cell includes: pedestal, including the groove for placing electrode；Operational module is mounted on the base, and operational module includes: cavity, runs through operational module, and is had upper opening and be arranged with lower openings, lower openings around the working region of electrode；First gas through-hole, across operational module side wall and be connected to cavity；It with electrode connection component, is formed in the part other than being provided with cavity and first gas through-hole of operational module, and for electrode to be connect with external equipment；And sealing cover, upper opening is sealed, and sealing cover includes second gas through-hole and third gas through-hole.Gas flow cell of the invention can meet the online air-sensitive test of dynamic and can meet static air-sensitive test.
Description
Technical field
The present invention relates to a kind of detection devices, more particularly, are related to a kind of gas circulation for air-sensitive performance test
Pond.
Background technique
Gas sensor is applied in the fields such as environment, meteorology, the energy, life and health, infrastructure construction, industrial production
Extensively and growth momentum is swift and violent.In recent years, as problem of environmental pollution is on the rise, people's environmental consciousness is horizontal constantly to be promoted,
Also higher and higher to various toxic, pernicious gas testing requirements, this also proposes higher want to the air-sensitive performance of gas sensor
It asks, such as durability, low cost, miniaturization, intelligence, portability.Therefore, effective, practical gas detection and monitoring are developed
Equipment is increasingly by the common concern of domestic and international researcher.
Electrochemical gas sensor has that detection range is wide, measurement accuracy is high, selectivity is good, has between signal and gas concentration
Have the advantages that good linear relationship, it is cheap, can be used for field monitoring, be that can give priority in gas sensor and for fixed
The high end sensor of one kind of amount detection.In general, electrochemical gas sensor is broadly divided into outside electrode, electrolyte and sensor
Shell three parts.
In terms of electrochemical gas sensor electrolyte, laboratory stage base is presently mainly carried out by electrochemical workstation
The air-sensitive performance research under full-scale condition is studied and carried out using commercialization sensor element to plinth.And gas is rung under full-scale condition
Answer mechanism complex, individually there are shortcomings using a kind of research method, such as ignore reality often carrying out basic research
Border application there are the problem of, such as the influence of humidity, temperature, then consume that big, at high cost, aging is all using commercialization sensor element
Not reproducible filling after phase length, one-time pad, it is often more important that due to sensor self reason, electrochemical workstation can not be passed through
Reflect the Response Mechanism under full-scale condition.Therefore, there is an urgent need to a kind of methods mutually to tie basic research with practical application
Close, can not only sensing capabilities under on-line checking full-scale condition, can more be reflected under full-scale condition by electrochemical workstation
Response Mechanism.
Screen printing electrode is a kind of plate electrode that can disposably throw, it is low in cost, repeated preferably, can be according to requiring
Working electrode is designed, handle, is modified, the detection of ingredient in biosensor and liquid is widely used to.Therefore make
Electrolyte is placed in and can test after electrode zone is stablized by the used time.
Flow cell is the place that redox reaction carries out in air-sensitive test process.At present suitable for screen printing electrode
Flow cell is mainly used in ingredient sensing detection in bio-sensing and liquid, and it is less to can be used for gas componant sensing detection.
Summary of the invention
It is above-mentioned existing in the prior art it is an object of the present invention to solving for the deficiencies in the prior art
One or more problems.For example, one of the objects of the present invention is to provide a kind of gas circulations that can be used for gas phase composition analysis
Pond, the gas flow cell can not only meet the online air-sensitive test of dynamic but also can meet static air-sensitive test.
The present invention provides a kind of gas flow cell, the gas flow cell includes: pedestal, including for placing electrode
Groove；Operational module is mounted on the base, and operational module includes: cavity, runs through operational module, and have upper opening
With with lower openings, the working region that lower openings surround electrode is arranged；First gas through-hole, across operational module side wall simultaneously
It is connected to cavity；With electrode connection component, be formed in operational module other than being provided with cavity and first gas through-hole
In part, and for electrode to be connect with external equipment；And sealing cover, upper opening is sealed, and sealing cover includes second
Gas via-hole and third gas through-hole.
Optionally, cavity may include: the first cavity, be disposed adjacently with electrode；And second cavity, it is located at the first chamber
It is connected to above body and with the first cavity.Wherein, the section size of the second cavity can be greater than the section size of the first cavity, the
One gas via-hole can be connected to the first cavity.
Optionally, cavity can be inverted cone-shaped structure, and the section size of cavity can be along the direction far from electrode gradually
Increase, first gas through-hole is connected to the lower part of the close electrode of cavity.
Optionally, second gas through-hole can be the air inlet detected for dynamic gas, and first gas through-hole can be
For the venthole of dynamic gas detection, third gas through-hole can be the air inlet detected for gas at rest；In gas stream
In the case that logical pond is tested for dynamic, gas flow cell can also include connecting with first gas through-hole and second gas through-hole
Hollow tube connector；In the case where gas flow cell is used for static test, gas flow cell can also include for blocking
The solid connector of first gas through-hole and second gas through-hole.
Optionally, electrode connection component may include: three spring joints, electric with the working electrode of electrode, reference respectively
Pole is connected with to electrode；Three pins, are used to connect with external devices；And three conductive filaments, every conductive filament will be corresponding
One spring joint links together with a corresponding pin.
Optionally, the distance between first gas through-hole and lower openings can be 3~5mm.
Optionally, gas flow cell can also include the fastener for pedestal and operational module to tighten together, tightly
Firmware may include bolt and the nut that can be screwed on bolt end screw thread, is provided on operational module and pedestal and wears for bolt
The bolt hole crossed.
Optionally, gas flow cell can also include the sealing ring being arranged between lower openings and groove.
Optionally, sealing ring can be O-ring seals.
Optionally, the outer surface of sealing cover could be formed with external screw thread, the interior table of one end of the close upper opening of cavity
Face could be formed with the internal screw thread with external screw thread cooperation.
Optionally, the difference between the depth of groove and the height of electrode can be ± 1mm.
Optionally, one end of the close upper opening of third gas through-hole is formed the pin hole of 1~2mm of diameter, third
The inner surface of the other end of gas via-hole forms internal screw thread, and gas flow cell can also include: hollow joint, hollow joint it is outer
Surface is formed with the external screw thread with screw-internal thread fit, is threadedly engaged with the other end with third gas through-hole；And gasket, setting
Between hollow joint and the other end of third gas through-hole.
Compared with prior art, the beneficial effect comprise that gas flow cell of the invention can be used for gas phase composition
Analysis, and the online air-sensitive test of dynamic can be met and static air-sensitive test can be met, and may be implemented quick on-off gas,
Rapid blow-down etc..
Detailed description of the invention
By the description carried out with reference to the accompanying drawing, above and other purpose of the invention and feature will become more clear
Chu, in which:
Figure 1A is the stereoscopic schematic diagram of the gas flow cell of exemplary embodiment of the present.
Figure 1B is the stereoscopic schematic diagram of another angle of Figure 1A.
Fig. 2 is the decomposition diagram of the gas flow cell of exemplary embodiment of the present, wherein only diagrammatically illustrates gas
A part of body flow cell.
Fig. 3 is the schematic diagram including base portion of the gas flow cell of exemplary embodiment of the present.
Fig. 4 is the schematic diagram of the operational module of the gas flow cell of exemplary embodiment of the present.
Fig. 5 is the schematic diagram of the sealing cover of the gas flow cell of exemplary embodiment of the present.
Fig. 6 is the schematic diagram of electrode.
Description of symbols:
1, hose coupling, 2, hollow joint, 3, nut, 4, pin, 5, spring joint, 6, sealing ring, 7, support, 8, spiral shell
Bolt, 9, sealing cover, 10, operational module, 11, pedestal, 12, third gas through-hole, 13, second gas through-hole, the 14, second cavity,
15, first gas through-hole, 16, bolt hole, the 17, first cavity, 18, pin hole, 19, spring joint hole, 20, groove, 21, work
Region, 22, contact conductor and 23, electrode.
Specific embodiment
Hereinafter, gas flow cell according to the present invention will be described in detail in conjunction with attached drawing and exemplary embodiment.
It will be appreciated that the use of term first, second etc. can not indicate sequence or importance, but can be used
Term first, second etc. distinguishes a component with another component.
In addition, for sake of convenience, left and right, the upper and lower of hereinafter so-called " left side " " right side " "upper" "lower" and attached drawing itself
Restriction effect is played to structure of the invention to consistent, but not.
As shown in Figure 1A to Fig. 5, gas flow cell according to an exemplary embodiment of the present invention includes pedestal 11, Working mould
Block 10 and sealing cover 9.Wherein, pedestal 11 includes the groove 20 for placing electrode 23.Operational module 10 is installed on the pedestal 11,
And operational module 10 includes cavity, first gas through-hole 15 and electrode connection component, wherein cavity runs through operational module 10,
That is, cavity is penetrated through from the upper surface of operational module to the lower surface of operational module, and cavity includes being formed in operational module 10
Upper surface upper opening and be formed in operational module 10 lower surface lower openings, lower openings surround electrode 23 work
Make the setting of region 21, to make the exposure of working region 21 of electrode 23；First gas through-hole 15 passes through the side wall of operational module 10
And it is connected to cavity；Electrode connection component be formed in operational module 10 other than being provided with cavity and first gas through-hole 15
Part in, and for electrode 23 to be connect with external equipment.Sealing cover 9 seals upper opening, and sealing cover 9 includes second
Gas via-hole 13 and third gas through-hole 12.
Gas flow cell according to an exemplary embodiment of the present invention can meet the online air-sensitive test of dynamic and can meet quiet
The test of state air-sensitive.
Wherein, in the case where gas flow cell is tested for dynamic, second gas through-hole 13 may be used as air inlet, the
One gas via-hole 15 can be used as venthole, and in this case, gas flow cell can also include and first gas through-hole 15
The hollow tube connector 1 connected with second gas through-hole 13, hollow tube connector 1 can be nipple, thus with the first gas
Body through-hole 15 and second gas through-hole 13 are threadedly coupled.In the case where dynamic is tested, switching object gas and lazy can be passed through
Property gas realizes quick on-off gas.
In the case where gas flow cell is used for static test, third gas through-hole 12 may be used as air inlet, this
In the case of, gas flow cell can also include the solid connector for blocking first gas through-hole 15 and second gas through-hole 13,
Solid connector can be nipple, to be threadedly coupled with first gas through-hole 15 and second gas through-hole 13.
One end of the upper opening of the close cavity of third gas through-hole 12 can be formed the pin hole of 1~2mm of diameter,
The inner surface of the other end of third gas through-hole 12 forms internal screw thread.Gas flow cell can also include hollow joint 2 and gasket,
The outer surface of hollow joint 2 is formed with the external screw thread with the screw-internal thread fit of the other end of third gas through-hole 12, with third
The other end of gas via-hole 12 is threadedly engaged.Gasket can be replaceable rubber sheet gasket, and the thickness of gasket can be 2~5mm,
Gasket is arranged between hollow joint 2 and the other end of third gas through-hole 12.Lead in use, gasket is placed on third gas
In hole 12, sealing is then compressed by hollow joint 2, to guarantee the air-tightness of cavity, in the case where static test, is passed through
Needle tubing is inserted into third gas through-hole 12 to inject object gas.
According to an embodiment of the invention, the outer silk at replacement first gas through-hole 15 and second gas through-hole 13 can be passed through
The conversion of connector (i.e. hollow joint and solid connector) realization dynamic on-line testing and static test.However, the present invention is not limited thereto,
The opening and closing of first gas through-hole 15 and second gas through-hole 13 can also be achieved by other means.For example, in reality
It applies in example, gas flow cell may include the valve being arranged at first gas through-hole 15 and second gas through-hole 13.In gas
In the case that flow cell is used for static test, valve is closed, first gas through-hole 15 and second gas through-hole 13 are closed；In gas
In the case that body flow cell is tested for dynamic, valve is opened, so that object gas is allow to enter second gas through-hole 13, and
It is discharged from first gas through-hole 15.Turn of dynamic on-line testing and static test state is realized by the folding of control valve
It changes.
According to an embodiment of the invention, preferably, cavity may include the first cavity 17 and the second cavity to communicate with each other
14.Wherein, the first cavity 17 is disposed adjacently with electrode 23.Second cavity 14 is located at the top of the first cavity 17, and second
The section size of cavity 14 is greater than the section size of the first cavity 17, and first gas through-hole 15 is connected to the first cavity 17.This hair
Bright embodiment uses the design of up big and down small two cavitys, and is used as air inlet and first gas with second gas through-hole 13
Through-hole 15 cooperates as venthole, can interfere to avoid gas velocity.That is, gas is avoided directly to blow when circulating from top to bottom in electrolyte
Test result above is influenced, stablizes atmosphere convenient for building.In embodiment, the height of the first cavity 17 and the second cavity 14
Can be identical, it all can be 1~3cm；First cavity 17 and the second cavity 14 can be cylinder, and the diameter of the first cavity 17 can
It to be determined according to the size of working region 21, such as can be 1~3cm.The diameter of second cavity 14 can be the first cavity
1~3 times of diameter.In the present embodiment, the height of the first cavity 17 and the second cavity 14 all can be 2cm, the first cavity 17
Diameter diameter can be 2cm, the diameter of the second cavity 14 can be 4cm.However, the present invention is not limited thereto, 17 He of the first cavity
The shapes and sizes of second cavity 14 can according to need adjustment, as long as can play the role of that gas velocity is avoided to interfere.
However, the present invention is not limited thereto, in another embodiment, cavity can be inverted cone-shaped structure, the section size edge of cavity
Be gradually increased far from the direction of electrode 23, first gas through-hole 15 is connected to the lower part of the close electrode 23 of cavity, to keep away
Exempt from gas velocity interference.
In another embodiment, first gas through-hole 15 may be used as air inlet, and second gas through-hole 13 is used as outlet
Hole.In this case, the distance between the lower openings of first gas through-hole 15 and cavity can be 3~5mm.That is, first
Gas via-hole 15 is slightly above 3~5mm of cavity bottom surface and air-flow is avoided directly to blow to Influence of Electrolyte test result, stablizes convenient for building
Atmosphere.
According to an embodiment of the invention, the outer surface of sealing cover 9 is formed with external screw thread, the one of the close upper opening of cavity
The inner surface at end is formed with the internal screw thread with the cooperation of the external screw thread of sealing cover 9, so that closely connecting between sealing cover 9 and cavity
It connects.By opening sealing cover 9, electrolyte can be dripped on electrode 23, and can also realize gas by opening sealing cover 9
Flow cell is rapidly vented.
According to an embodiment of the invention, for the ease of replacing electrode 23, pedestal 11 is configured to seperated with operational module 10
Structure.Gas flow cell can also include the fastener for pedestal 11 and operational module 10 to tighten together.Such as Fig. 3 to figure
Shown in 5, fastener includes bolt 8 and the nut 3 that can be screwed in 8 end thread of bolt, wherein operational module 10 and pedestal 11
On be provided with the bolt hole 16 passed through for bolt 8.In the present embodiment, operational module 10 can be cube, four angles
Place be respectively arranged with 16,4 bolts 8 of bolt hole be each passed through 16,4 nuts 3 of corresponding bolt hole can be screwed in respectively it is corresponding
8 end of bolt.However, the present invention is not limited thereto, the quantity and set-up mode of bolt 8 and nut 3 can according to need change, for example,
The quantity of nut 8 and nut 3 can be respectively 1,2,3 or 5 or more, as long as can be by pedestal 11 and operational module
10 tighten together.In addition, according to an embodiment of the invention, the bottom of operational module 10 is additionally provided with 4 supports 7.
According to an embodiment of the invention, the material of pedestal 11 can be polytetrafluoroethylene (PTFE).The material of sealing cover 9 can be third
Olefin(e) acid ester.In addition, as shown in Figure 6, electrode 23 can be screen printing electrode, and working region 21 is round, and electrode
23 including working electrode, reference electrode and to electrode and each of three electrodes lead 22 connected to it.
According to an embodiment of the invention, groove 20 can be cuboid, between the depth of groove 20 and the height of electrode 23
Difference can be ± 1mm.In order to improve the leakproofness of device, gas flow cell can also include the lower openings that cavity is arranged in
Sealing ring 6 between groove 20.Sealing ring 6 can be the rubber sheet gasket of the lower openings around cavity, due to electrode 23
Working region 21 is circle, therefore, the lower openings and sealing ring 6 or circle of the first cavity 17, but the present invention is not
It is limited to this, when electrode 23 is other kinds of electrode or its working region is other shapes, the lower part of sealing ring 6 and cavity
Opening shape can change accordingly, to surround working region 21 and make the exposure of working region 21.
According to an embodiment of the invention, electrode connection component may include: three spring joints 5, respectively with electrode 23
Working electrode, reference electrode are connected with to electrode；Three pins 4 are used for external equipment (for example, air-sensitive testboard, electrochemistry
Work station, sensor test board) connection, electric signal is exported into external equipment；Three conductive filaments, every conductive filament will correspond to
A spring joint 5 link together with a corresponding pin 4.As shown in Figure 4, three spring joint holes 19 are along cavity
Short transverse (that is, the direction z) setting and it is parallel to each other, three spring joints 5 are respectively embedded into three spring joint holes 19.
Direction is arranged three pin holes 18 along the horizontal plane, wherein two pin holes 18 are arranged in the y-direction, and 1 pin hole 18 is in the x-direction
Setting, and three pin holes 18 are connected to three spring joint holes 19 respectively, and three pins 4 are separately positioned on three pin holes
In 18.One end of spring joint 5 is connected by conductive filament with the pin 4 in pin hole 18, and the electrode of the other end and electrode 23 draws
Line 22 is connected.Conductive filament can be filamentary silver, to guarantee conductivity.
Flow cell of the invention can be external in electrochemical workstation with the chemical property of test sample, can also be external
In the online dynamic test sample air-sensitive performance of sensor test board.
Illustrate the use process of gas flow cell according to an exemplary embodiment of the present invention below with reference to Fig. 1 to Fig. 6.
When carrying out air-sensitive performance detection using screen printing electrode 23, firstly, screen printing electrode 23 is placed in recessed
In slot 20.
Then, operational module 10 is installed on the pedestal 11 and three spring joints 5 is made to be respectively aligned to screen printing electrode
23 contact conductor 22, then lock sealing is carried out with bolt 8 and nut 3.
Then, electrolyte is added dropwise in the working region of screen printing electrode 23 21 by second cavity 14 on top.So
Afterwards, the upper opening that sealing cover 9 is sealed to the second cavity 14 can be carried out more when needing replacing electrolyte by opening sealing cover 9
It changes.
Finally, three pins 4 are connected to air-sensitive testboard using conducting wire.In the feelings that gas flow cell is tested for dynamic
Under condition, hose coupling 1 is hollow joint, and object gas is entered by second gas through-hole 13, is flowed out from first gas through-hole 15,
By the way that object gas is switched to inert gas when emptying, so as to replace and be discharged object gas.It is used in gas flow cell
In the case where static test, hose coupling 1 is changed to solid connector, that is, close first gas through-hole 15 and second gas is logical
Hole 13, at this point, the object gas of certain volume is injected by third gas through-hole 12 using needle tubing, it can be by changing object gas
The concentration of object gas in volume and then adjusting cavity body realizes that more concentration static state are surveyed so as to build the environment of various concentration
Examination.Furthermore it is possible to can be vented by opening sealing cover 9.The redox current generated after being entered by detection gas
The air-sensitive performance of complete paired samples is tested.
Gas flow cell according to an embodiment of the present invention, can be used as meeting simultaneously as the on-line testing of air-sensitive performance dynamic and
The electrochemical gas flow cell of static test can be realized quick on-off gas, rapid blow-down, more concentration static tests and dynamic
On-line checking is conducive to scientific research and actually detected analysis application.
Although those skilled in the art should be clear above by combining exemplary embodiment to describe the present invention
Chu can carry out exemplary embodiment of the present invention each without departing from the spirit and scope defined by the claims
Kind modifications and changes.
Claims (10)
1. a kind of gas flow cell, which is characterized in that the gas flow cell includes:
Pedestal, including the groove for placing electrode；
Operational module is mounted on the base, and the operational module includes:
Cavity, run through the operational module, and have upper opening and and lower openings, the lower openings surround the electrode
Working region setting；
First gas through-hole, across the operational module side wall and be connected to the cavity；With
Electrode connection component, be formed in the operational module other than being provided with the cavity and the first gas through-hole
Part in, and for the electrode to be connect with external equipment；And
Sealing cover seals the upper opening, and the sealing cover includes second gas through-hole and third gas through-hole.
2. gas flow cell according to claim 1, which is characterized in that the cavity includes:
First cavity is disposed adjacently with the electrode；And
Second cavity is located above first cavity and is connected to first cavity；
Wherein, the section size of second cavity be greater than first cavity section size, the first gas through-hole with
The first cavity connection；
Or
The cavity is inverted cone-shaped structure, and the section size of the cavity is gradually increased along the direction far from the electrode, institute
First gas through-hole is stated to be connected to the lower part close to the electrode of the cavity.
3. gas flow cell according to claim 1, which is characterized in that the second gas through-hole is for dynamic gas
The air inlet of detection, the first gas through-hole are the venthole detected for dynamic gas, and the third gas through-hole is to use
In gas at rest detection air inlet,
Wherein, in the case where the gas flow cell is tested for dynamic, the gas flow cell further includes and described first
The hollow tube connector that gas via-hole is connected with the second gas through-hole；
Wherein, in the case where the gas flow cell is used for static test, the gas flow cell further includes for blocking
State the solid connector of first gas through-hole and the second gas through-hole.
4. gas flow cell according to claim 1, which is characterized in that the electrode connection component includes:
Three spring joints, respectively with the working electrode of the electrode, reference electrode and electrode is connect；
Three pins, are used to connect with external devices；And
Three conductive filaments, every conductive filament link together a corresponding spring joint with a corresponding pin.
5. gas flow cell according to claim 1, which is characterized in that the first gas through-hole and the lower openings
The distance between be 3~5mm.
6. gas flow cell according to claim 1, which is characterized in that the gas flow cell further includes for will be described
The fastener that pedestal and the operational module tighten together, the fastener include bolt and can be screwed in the bolt end spiral shell
The bolt hole passed through for the bolt is provided on nut on line, the operational module and the pedestal.
7. gas flow cell according to claim 1, which is characterized in that the gas flow cell further includes being arranged described
Sealing ring between lower openings and the groove.
8. gas flow cell according to claim 1, which is characterized in that the outer surface of the sealing cover is formed with outer spiral shell
Line, the inner surface of one end close to the upper opening of the cavity are formed with the internal screw thread with external screw thread cooperation.
9. gas flow cell according to claim 1, which is characterized in that the height of the depth of the groove and the electrode
Between difference be ± 1mm.
10. gas flow cell according to claim 1, which is characterized in that the third gas through-hole on described
One end of portion's opening is formed the pin hole of 1~2mm of diameter, and the inner surface of the other end of the third gas through-hole forms interior spiral shell
Line, the gas flow cell further include:
Hollow joint, the outer surface of the hollow joint are formed with the external screw thread with the screw-internal thread fit, with the third
The other end of gas via-hole is threadedly engaged；And
Gasket is arranged between the hollow joint and the other end of the third gas through-hole.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910476730.1A CN110308185B (en) | 2019-06-03 | 2019-06-03 | Gas flow cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910476730.1A CN110308185B (en) | 2019-06-03 | 2019-06-03 | Gas flow cell |
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| CN110308185A true CN110308185A (en) | 2019-10-08 |
| CN110308185B CN110308185B (en) | 2021-09-21 |
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| CN1516810A (en) * | 2001-03-09 | 2004-07-28 | 茨尔维格分析有限公司 | Electrochemical gas sensor |
| CN101762625A (en) * | 2010-01-19 | 2010-06-30 | 南京工业大学 | Gas sensitivity measuring device for gas sensitive material |
| CN103492867A (en) * | 2011-01-31 | 2014-01-01 | 斯科特科技股份有限公司 | System and method for automatically adjusting gas sensor settings and parameters |
| CN105929118A (en) * | 2016-07-19 | 2016-09-07 | 上海交通大学 | Gas detection device and method for applying same |
| CN106226355A (en) * | 2016-07-19 | 2016-12-14 | 上海交通大学 | A kind of air-sensitive detection device and using method thereof |
| CN109580719A (en) * | 2019-01-03 | 2019-04-05 | 合肥微纳传感技术有限公司 | A kind of gas-sensitive property test equipment |
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2019
- 2019-06-03 CN CN201910476730.1A patent/CN110308185B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1516810A (en) * | 2001-03-09 | 2004-07-28 | 茨尔维格分析有限公司 | Electrochemical gas sensor |
| CN101762625A (en) * | 2010-01-19 | 2010-06-30 | 南京工业大学 | Gas sensitivity measuring device for gas sensitive material |
| CN103492867A (en) * | 2011-01-31 | 2014-01-01 | 斯科特科技股份有限公司 | System and method for automatically adjusting gas sensor settings and parameters |
| CN105929118A (en) * | 2016-07-19 | 2016-09-07 | 上海交通大学 | Gas detection device and method for applying same |
| CN106226355A (en) * | 2016-07-19 | 2016-12-14 | 上海交通大学 | A kind of air-sensitive detection device and using method thereof |
| CN109580719A (en) * | 2019-01-03 | 2019-04-05 | 合肥微纳传感技术有限公司 | A kind of gas-sensitive property test equipment |
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| Publication number | Publication date |
|---|---|
| CN110308185B (en) | 2021-09-21 |
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