CN105866331A - Gas sensor test system for dynamic and static gas distribution dual purposes - Google Patents

Gas sensor test system for dynamic and static gas distribution dual purposes Download PDF

Info

Publication number
CN105866331A
CN105866331A CN201610184150.1A CN201610184150A CN105866331A CN 105866331 A CN105866331 A CN 105866331A CN 201610184150 A CN201610184150 A CN 201610184150A CN 105866331 A CN105866331 A CN 105866331A
Authority
CN
China
Prior art keywords
test
gas
static
cavity
dynamic
Prior art date
Application number
CN201610184150.1A
Other languages
Chinese (zh)
Inventor
郑雁公
陈志芸
简家文
Original Assignee
宁波大学
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 宁波大学 filed Critical 宁波大学
Priority to CN201610184150.1A priority Critical patent/CN105866331A/en
Publication of CN105866331A publication Critical patent/CN105866331A/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0006Calibrating gas analysers

Abstract

The invention relates to a gas sensor test system for dynamic and static gas distribution dual purposes, and belongs to the technical field of gas sensor test. The system comprises: a test cavity, wherein the main body of the test cavity is a stainless steel cavity; sealed cabin ports, wherein the quantity of the sealed cabin ports is 2, the sealed cabin ports are respectively arranged at two ends of the test cavity, and every sealed cabin port is matched with a sealed cabin door; a gas inlet pipeline arranged on one of the sealed cabin ports; a gas outlet pipeline arranged on the other one of the sealed cabin ports; a humiture sensor arranged in the test cavity; a liquid injection window arranged on the sealed cabin door provided with the gas outlet pipeline and used for injecting a liquid to the test cavity; and a heating platform arranged in the test cavity, wherein the liquid injection window cooperates with the heating platform to heat the injected liquid in order to vaporize the liquid. The system can realize simulation of dynamic gas environment and static gas environment, and also can realize performance calibration and test of a gas sensor in different gas environments.

Description

The gas sensor test system that a kind of distribution dynamic, static is dual-purpose

Technical field

The present invention relates to a kind of to gas biography dual-purpose under dynamic gas or static liquid steam Sensor response performance test system, belongs to gas sensor technical field of measurement and test.

Background technology

Along with industrial expansion, bring SO2, the problem of environmental pollution such as NOx, and CO, CH4, H2The poisoning that the common fuels such as S cause because of leakage, blast etc. is disastrous asks Topic, in these Resolving probiems, need to use gas sensor to examine these gases Survey and monitoring.For gas-sensitive property and the influence factor thereof of calibration gas sensor, develop A set of can in different ways and under various environmental parameters gas sensor test system Significant.

Gas sensor test system is mainly by gas configuration part and performance test part institute Constitute.Test mode according to gas is divided into again static test and dynamic test.Static survey Ping and refer in airtight gaseous environment, import certain density gas to be measured or organic Steam, is mainly used in the gaseous environment simulation of environmental gas sensor, such as Chinese patent Shen Please the static state of a kind of controlled humidity disclosed in file (publication number: CN104155416A) Air-sensitive test device and method and Chinese patent (publication number: CN201289490Y) Disclosed a kind of device for sealing test chamber of air-sensitive characteristic static state test system, is all static survey Electricity testing device.

Dynamic test refers to gas to be measured be passed through pipeline, in certain pressure condition by gas cylinder Under be blown in test chamber, wherein gas concentration by mass flowmenter by regulating each gas Flow is controlled, this system be conducive to flowing gas ingredients test, as in A kind of gas sensing disclosed in state's patent application document (publication number CN102495110A) One disclosed in device test system and (publication number: CN105021777A) is multi-functional Gas sensor test system.

The gas sensor test system developed at present be all single employing dynamically or Static air-sensitive method of testing, but in gas sensor development process, need according to answering With the different gaseous environment of situation simulation, including gas and the gas of flowing of relative quiescent Environment, these environmental factorss all can finally affect the demarcation to gas sensor performance.Cause Sensor can dynamically and tested under gas at rest environment by this design one simultaneously System, the experiment of gas sensor and detection are all had and are of great significance.

Summary of the invention

It is an object of the invention to there are the problems referred to above for existing technology, it is provided that a kind of The dual-purpose gas sensor in different gaseous environments, sensor can tested Test system.

The purpose of the present invention can be realized by following technical proposal: a kind of dynamic, static The gas sensor test system that distribution is dual-purpose, including

Test cavity, described test chamber phosphor bodies is the rustless steel chamber of internal polishing Body;

Plug hatch, it has two and is respectively arranged at test cavity two ends, and each close Batten down mouth coupling is provided with sealing hatch door;

Admission line, it is disposed therein on a plug hatch;

Outlet pipe, it is arranged on another plug hatch;

Temperature Humidity Sensor, it is arranged in test chamber body, and is used for monitoring inside cavity Ambient temperature and humidity;

Liquid infusion window, it is arranged on the sealing hatch door being provided with outlet pipe, and For to test inside cavity injecting fluid;

Heating platform, it is arranged in test chamber body, liquid infusion window and heating platform Match, heat for the liquid that injection is come in, be allowed to vaporize.

In the gas sensor test system that above-mentioned distribution dynamic, static is dual-purpose, as Preferably, in described test chamber body, it is additionally provided with sensor base, for placing and fixing temperature Humidity sensor.

In the gas sensor test system that above-mentioned dynamic and static distribution is dual-purpose, as preferably, It is also equipped with Pressure gauge on described test cavity, is used for showing test cavity internal pressure feelings Condition.

In the gas sensor test system that above-mentioned distribution dynamic, static is dual-purpose, as Preferably, described test cavity is also equipped with the Aviation Connector sealed, for connecting test The device of inside cavity and outside acquisition instrument and excitation power supply.

In the gas sensor test system that above-mentioned distribution dynamic, static is dual-purpose, as Preferably, dynamic, quiet admission line and outlet pipe are equipped with stop valve;

And static state admission line is provided with drying tube, drying tube, built with desiccant, is used for It is dried the gas entering test cavity;

Outlet pipe is provided with vacuum pump, is used for changing test intracavity gas.

In the gas sensor test system that above-mentioned distribution dynamic, static is dual-purpose, as Preferably, described sealed compartment door main body is made up of ring flange, is provided with seal groove inside hatch door, Described seal groove is built with sealing ring.

In the gas sensor test system that above-mentioned distribution dynamic, static is dual-purpose, as Preferably, described test cavity is also equipped with watch window, is used for observing test cavity Inner case.Further preferably, described watch window is the length of 280mm*190mm Square quartz glass flange, is positioned at the upper end of test cavity.

In the gas sensor test system that above-mentioned distribution dynamic, static is dual-purpose, as Preferably, described liquid infusion window is provided with sealable liquid infusion aperture, passes through Liquid infusion aperture uses microsyringe to test chamber internal injection liquid.The most excellent Choosing, described liquid infusion window is directly for the circular quartz glass flange of 130mm, It is located close to the sealing hatch door of outlet pipe.

In the gas sensor test system that above-mentioned distribution dynamic, static is dual-purpose, as Preferably, described heating platform includes platform, is inserted with heating resistance, adds thermoelectricity in platform Resistance is connected with Aviation Connector and external drive power supply by wire, is heated by voltage-regulation Resistance temperature, heating interval is from any regulation of room temperature to 300 DEG C, podium level and liquid Liquid infusion small hole center on injection window is contour.

In the gas sensor test system that above-mentioned distribution dynamic, static is dual-purpose, described The dual-purpose gas sensor test system of dynamic and static distribution also include that dynamic gas supplies Unit, dynamic gas feed unit is to test cavity supply, and dynamic gas feed unit has Including:

For providing the gas bomb of gas to be measured and carrier gas;

For controlling the air relief valve of the gas entrance in gas bomb;

For controlling the mass flowmenter of gas flow, by computer by corresponding software And communication interface controls mass flowmenter and changes the gas flow ratio in each pipeline, control The concentration of gas after system mixing;

For controlling the stop valve of each pipeline break-make;

And be used for being sequentially connected with gas bomb, air relief valve, mass flowmenter, stop valve Trachea with test cavity.

In the gas sensor test system that above-mentioned distribution dynamic, static is dual-purpose, described The dual-purpose gas sensor test system of dynamic and static distribution also include test cell, survey Examination unit includes data acquisition unit, and the data signal input of data acquisition unit passes through aviation Joint is connected with sensor base, and then is connected with sensor, and outfan and computer Data signal input connect, computer complete automation collection and the process of data.

Dynamic gas feed unit in inventive sensor test system is used for as test chamber Body provides concentration to be available for, the gas to be measured of flow speed stability and carrier gas, and ensure can be not It is switched fast with between gas.

Described test cavity is used for fixing, connecting sensor, for the survey of gas sensor Amount provides has the gas simulated environment that certain volume is stable, and wherein test cavity is by inside The rustless steel cavity of polishing is constituted, and reduces gas interior absorption, and uses vacuum pump to survey Examination cavity carries out evacuation ventilation, it is to avoid the accumulation of gas in static test, is conducive to Realize the static test of light concentration gas;Equipped with drying tube on admission line, survey in static state In examination operating process, the air entering test chamber can be carried out dehydrate, effectively Solve the uncontrollable problem of air humidity under static test.

Described test cell, provides excitation power supply for gas sensor, gathers and process The signal of telecommunication of sensor output.Control mass flowmenter by LabVIEW software and adopt The test data of collection sensor, in the case of dynamic test, can control gas concentration certainly Move and be switched fast.Meanwhile, the test data also making sensor are reacted intuitively and are shown at computer Show on interface, be conducive to the observation to test result and analysis.

Therefore, the test system of the present invention can realize dynamic gas environment and gas at rest The simulation of environment, it is achieved to gas sensor Calibration in gas with various environment and Test.

Accompanying drawing explanation

Fig. 1 is the gas sensor test system that present invention distribution dynamic, static is dual-purpose Schematic diagram.

Fig. 2 is the axonometric chart testing cavity in test system of the present invention.

Fig. 3 is the axonometric chart testing another visual angle of cavity in test system of the present invention.

Description of reference numerals:

1, test cavity;2, plug hatch;3, admission line;4, outlet pipe;5、 Temperature Humidity Sensor;6, liquid infusion window;7, heating platform;8, Pressure gauge;9 Aviation Connector;10, stop valve;11, drying tube;12, vacuum pump;13, observation window Mouthful;14, excitation power supply;15, gas bomb;16, air relief valve;17, mass flow Meter;18, data acquisition unit;19, computer;20, sensor base;21, trachea; 22, three handle hands;23, liquid infusion aperture.

Detailed description of the invention

The following is the specific embodiment of the present invention and combine accompanying drawing, the technical side to the present invention Case is further described, but the present invention is not limited to these embodiments.

As shown in Figure 1, Figure 2 and Figure 3, the gas that a kind of distribution dynamic, static is dual-purpose Sensor testing system, including

Test cavity 1, described test chamber phosphor bodies is rustless steel cavity, and inside is carried out Polishing, reduces gas interior absorption;

Plug hatch 2, it has two and is respectively arranged at test cavity 1 two ends, and often Individual plug hatch coupling is provided with sealing hatch door;

Static admission line 3, it is disposed therein on a plug hatch 2;

Outlet pipe 4, it is arranged on another plug hatch 2;

Temperature Humidity Sensor 5, it is arranged in test cavity 1, and is used for monitoring cavity Interior environment temperature and humidity;

Liquid infusion window 6, it is arranged on the sealing hatch door being provided with outlet pipe 3, And for test cavity 1 internal injection liquid;

Heating platform 7, its be arranged at test cavity 1 in, liquid infusion window 6 with add Hot platform 7 matches, and heats for the liquid coming in injection, is allowed to vaporize. Described heating platform 7 includes platform, is inserted with heating resistance in platform, adds thermal resistance and leads to Cross wire to be connected with Aviation Connector 9 and external drive power supply 14, heated by voltage-regulation Resistance temperature, heating interval is from any regulation of room temperature to 300 DEG C, podium level and liquid The center of the liquid infusion aperture 23 on injection window is contour.

Described test cavity is used for fixing, connecting sensor, for Temperature Humidity Sensor Measure to provide and there is the gas simulated environment that certain volume is stable.

As preferably, it is additionally provided with sensor base 20 in described test chamber body, is used for putting Put and fix Temperature Humidity Sensor.Further preferably, described sensor base 20 is weldering There is the pcb board of sensor base array.

As preferably, described test cavity 1 is also equipped with Pressure gauge 8, is used for showing Show pressure condition in test cavity 1.

As preferably, described test cavity is also equipped with Aviation Connector 9, described survey Examination cavity is also equipped with the Aviation Connector sealed, for the device within connecting test cavity 1 The acquisition instrument of part and outside and excitation power supply 14.

As preferably, admission line 3 and outlet pipe 4 are equipped with stop valve 10;

And admission line 3 is provided with drying tube 11, drying tube, built with desiccant, is used for It is dried the gas entering test cavity 1;

Outlet pipe 4 is provided with vacuum pump 12, is used for changing test intracavity gas.

The drying tube arranged on admission line, in static test operating process, permissible The air entering test chamber is carried out dehydrate, effectively solves under static test empty The uncontrollable problem of air humidity degree.Test cavity is carried out by the vacuum pump arranged on outlet pipe Evacuation is taken a breath, it is to avoid the accumulation of gas in static test, is advantageously implemented low concentration The static test of gas.

As preferably, described sealed compartment door main body is made up of ring flange, sets inside hatch door Having seal groove, described seal groove is built with sealing ring.By three handle hands 22 left-right rotaries Transfer closedown and open sealing hatch door.

As preferably, described test cavity is also equipped with watch window 13, is used for seeing Examine test inside cavity situation.Further preferably, described watch window is The rectangle quartz glass flange of 280mm*190mm, is positioned at the upper end of test cavity 1.

As preferably, described liquid infusion window 6 is provided with sealable liquid infusion Aperture 23, uses microsyringe to test chamber internal injection liquid by liquid infusion aperture Body.Further preferably, described liquid infusion window is directly for the circular stone of 130mm English glass flange, is located close to the sealing hatch door of outlet pipe.

In the gas sensor test system that above-mentioned distribution dynamic, static is dual-purpose, described Dual-purpose gas sensor test system also include dynamic gas feed unit, dynamic gas Object supply unit is to test cavity supply, and dynamic gas feed unit includes:

For providing the gas bomb 15 of gas to be measured and carrier gas;

For controlling the air relief valve 16 of the gas entrance in gas bomb;

For controlling the mass flowmenter 17 of gas flow, by computer 19 by corresponding Software and communication interface control the gas stream that mass flowmenter 17 changes in each pipeline Amount ratio, the concentration of gas after controlling to mix;

For controlling the stop valve 10 of each pipeline break-make;

And be used for being sequentially connected with gas bomb 15, air relief valve 16, mass flowmenter 17, Stop valve 10 and the trachea 21 testing cavity 1.

Dynamic gas feed unit is for controlled, the flow speed stability for test cavity offer concentration Gas to be measured and carrier gas, and ensure can be switched fast between gas with various.

In the gas sensor test system that above-mentioned distribution dynamic, static is dual-purpose, described Dual-purpose gas sensor test system also include test cell, test cell include number According to harvester 18, the data signal input of data acquisition unit 18 passes through Aviation Connector 9 It is connected with sensor base 20, and then is connected with gas sensor, and outfan and calculating The data signal input of machine 19 connects, computer 19 automatization completing data adopts Collection and process.

Control mass flowmenter by LabVIEW software and gather the test number of sensor According to, in the case of dynamic test, gas concentration can be controlled and be automatically switched fast.Meanwhile, Also the test data making sensor are reacted intuitively on computer display interface, the most right The observation of test result and analysis.

Embodiment 1

The present invention dual-purpose gas testing systems dynamic, static is under static liquid steam Test.

Static mixing gas distribution implementation is as follows:

According to equation of gas state PV=nRT (1)

Wherein P is gas pressure intensity, and V is gas volume, and n is the molal quantity of gas molecule, R is gas constant, and T is gas temperature.For certain density gas volume it is:

V=Cppm×VC (2)

Wherein CppmFor gas concentration, VCVolume for test chamber.

For organic liquid, its volume VCWith the relation between molal quantity n is:

VL=m/ ρ=nM/ ρ (3)

Wherein M is molecular weight, and ρ is organic liquid mass density, and m is organic liquid Quality.

Therefore organic liquid volume V is obtainedCConcentration C after gasifying with itppmBetween pass It is that formula is:

VL=P Cppm VCM/ρRT (4)

According to the practical situation of static test, in the present embodiment, gas pressure intensity P takes 101 KPa, R are 8.031, and temperature T is 298.15K, and test chamber volume is 73.4L.With As a example by test alcohol gas, the molecular weight M of ethanol is 46, the matter of dehydrated alcohol liquid Metric density is 0.791g/cm3

According to formula, can obtain under object gas variable concentrations, needed for be injected into test The liquid volume of the liquid volume in chamber, ethanol gas concentration and correspondence thereof is as shown in table 1 below:

Ethanol gas concentration C in table 1 the present embodimentppmLiquid volume V with its correspondenceL

Gas concentration Cppm Ethanol liquid volume VL 1ppm 0.175μL 2ppm 0.350μL 3ppm 0.525μL 4ppm 0.700μL 5ppm 0.875μL 6ppm 1.050μL

Gas sensor to be measured is arranged in the sensor base 20 in test chamber body, Its output signal is drawn by the Aviation Connector 9 on wire and test cavity 1 outside being connected to The data acquisition unit 18 in face, and the data output end of data acquisition unit 18 and computer 19 Data signal input connect, computer 19 complete collection and the storage of data.

The sealing hatch door at test chamber 1 two ends is screwed so that it is seal and close, and close out Stop valve 10 in feed channel 4 and admission line 3, and drying tube 11 will be connected Three-way valve diverted air end.There is provided 10V electricity to heating platform 7 by excitation power supply 14 Pressure so that it is be heated to more than 100 DEG C.Excitation power supply 14 is arranged at the bottom of sensor simultaneously Gas sensor on seat 20 provides certain heating voltage so that it is reach necessarily to work temperature Degree.

Observed the change of sensor signal by LabVIEW software on computer, work as sensing After device resistance is steady, calculate the liquid volume reached needed for target gas levels according to formula, The liquid of a certain amount of volume is extracted, by liquid infusion window 6 with microsyringe Aperture, by liquid infusion to heating platform 7, makes the fast liquid evaporation of injection gasify, And in test cavity 1 internal diffusion mixing.During liquid infusion, test cell remember Record and the signal intensity of observation sensor.

After sensor target gas concentration has been tested, need gas in test cavity 1 Body is replaced.Open the stop valve 10 on admission line 3 and outlet pipe 4 simultaneously On stop valve 10, open vacuum pump 12 quick-replaceable test cavity 1 in gas, Pass air through admission line 3 and drying tube 11 is full of test cavity 1.

The most alternately, gas sensor can be completed under static environment to object gas Performance test.

Embodiment 2

The test under dynamic gas of the present invention dual-purpose gas sensor dynamic, static.

Gas sensor to be measured is arranged in the sensor base 20 in test chamber body, Its output signal is drawn by the Aviation Connector 9 on wire and test cavity 1 outside being connected to The data acquisition unit 18 in face, and the data output end of data acquisition unit 18 and computer 19 Data signal input connect, computer 19 complete collection and the storage of data.

The sealing hatch door at test chamber 1 two ends is screwed by three handle handss 22 so that it is seal Close, and close the stop valve 10 on admission line 3, open cutting on outlet pipe 4 Only valve 10.Open the stop valve 10 in dynamic gas feed unit, open dynamic gas simultaneously Air relief valve 16 in object supply unit also regulates pressure, makes the gas in gas bomb 15 It is passed through in trachea with certain pressure.It is arranged on sensor base by excitation power supply 14 Gas sensor on 20 provides certain heating voltage so that it is reach necessarily to work temperature Degree.

By computer 19 by the control on LabVIEW software design patterns mass flowmenter 17 Voltage, automatically controls mass flowmenter 17 and reaches to change the gas flow in each trachea, Proportioning is passed through the gas concentration in test cavity 1, after flowing through test cavity and by escape pipe Road 4 flows out.The gaseous environment of flowing is formed in test cavity 1.In test process, Record similar to above-mentioned static test to observational technique, finally by test cell record With the signal intensity observing sensor.

So, sensor performance test under dynamic gas environment can be completed.

Specific embodiment described herein is only to present invention spirit theory for example Bright.Those skilled in the art can be to described specific embodiment Make various amendment or supplement or use similar mode to substitute, but without departing from The spirit of the present invention or surmount scope defined in appended claims.

Claims (10)

1. the gas sensor test system that distribution dynamic, static is dual-purpose, including Test cavity, described test chamber phosphor bodies is rustless steel cavity;
Plug hatch, it has two and is respectively arranged at test cavity two ends, and each close Batten down mouth coupling is provided with sealing hatch door;
Admission line, it is disposed therein on a plug hatch;
Outlet pipe, it is arranged on another plug hatch;
Temperature Humidity Sensor, it is arranged in test chamber body, and is used for monitoring inside cavity Ambient temperature and humidity;
Liquid infusion window, it is arranged on the sealing hatch door being provided with outlet pipe, and For to test inside cavity injecting fluid;
Heating platform, it is arranged in test chamber body, liquid infusion window and heating platform Match, heat for the liquid that injection is come in, be allowed to vaporize.
The gas sensor that distribution dynamic, static the most according to claim 1 is dual-purpose Test system, it is characterised in that be additionally provided with sensor base in described test chamber body, For placing and fixing Temperature Humidity Sensor.
The gas sensor that distribution dynamic, static the most according to claim 1 is dual-purpose Test system, it is characterised in that be also equipped with Pressure gauge on described test cavity, uses Pressure condition in display test chamber body.
The gas sensor that distribution dynamic, static the most according to claim 3 is dual-purpose Test system, it is characterised in that described test cavity is also equipped with Aviation Connector, uses Device and outside acquisition instrument and power supply in connecting test inside cavity.
The gas sensor that distribution dynamic, static the most according to claim 4 is dual-purpose Test system, it is characterised in that be equipped with on dynamic and static admission line and outlet pipe Stop valve;
And static state admission line is provided with drying tube, drying tube, built with desiccant, is used for It is dried the gas entering test cavity;
Outlet pipe is provided with vacuum pump, is used for changing test intracavity gas.
The gas sensor that distribution dynamic, static the most according to claim 5 is dual-purpose Test system, it is characterised in that described sealed compartment door main body is made up of ring flange, cabin Being provided with seal groove inside Men, described seal groove is built with sealing ring.
The gas sensor that distribution dynamic, static the most according to claim 6 is dual-purpose Test system, it is characterised in that be also equipped with watch window on described test cavity, For observing test inside cavity situation;Described liquid infusion window is provided with liquid note Penetrate aperture, by liquid infusion aperture to test chamber internal injection liquid.
The gas sensor that distribution dynamic, static the most according to claim 7 is dual-purpose Test system, it is characterised in that described heating platform includes platform, is inserted with in platform Add thermal resistance, add thermal resistance and be connected with Aviation Connector and external drive power supply by wire, Add resistance and temperature by voltage-regulation, heating interval from any regulation of room temperature to 300 DEG C, Liquid infusion small hole center on podium level and liquid infusion window is contour.
The gas sensor that distribution dynamic, static the most according to claim 1 is dual-purpose Test system, it is characterised in that the gas sensor that described dynamic and static distribution is dual-purpose Test system also includes dynamic gas feed unit, and dynamic gas feed unit is to test chamber Body supplies, and dynamic gas feed unit tool includes:
For providing the gas bomb of gas to be measured and carrier gas;
For controlling the air relief valve of the gas entrance in gas bomb;
For controlling the mass flowmenter of gas flow, by computer by corresponding software And communication interface controls mass flowmenter and changes the gas flow ratio in each pipeline, control The concentration of gas after system mixing;
For controlling the stop valve of each pipeline break-make;
And be used for being sequentially connected with gas bomb, air relief valve, mass flowmenter, stop valve Trachea with test cavity.
The gas sensing that distribution dynamic, static the most according to claim 9 is dual-purpose Device test system, it is characterised in that described dual-purpose gas sensor test system is also Including test cell, test cell includes data acquisition unit, the data letter of data acquisition unit Number input is connected with sensor base by Aviation Connector, and then is connected with sensor, Outfan is connected with the data signal input of computer, computer complete oneself of data Dynamicization gathers and processes.
CN201610184150.1A 2016-03-28 2016-03-28 Gas sensor test system for dynamic and static gas distribution dual purposes CN105866331A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610184150.1A CN105866331A (en) 2016-03-28 2016-03-28 Gas sensor test system for dynamic and static gas distribution dual purposes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610184150.1A CN105866331A (en) 2016-03-28 2016-03-28 Gas sensor test system for dynamic and static gas distribution dual purposes

Publications (1)

Publication Number Publication Date
CN105866331A true CN105866331A (en) 2016-08-17

Family

ID=56625080

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610184150.1A CN105866331A (en) 2016-03-28 2016-03-28 Gas sensor test system for dynamic and static gas distribution dual purposes

Country Status (1)

Country Link
CN (1) CN105866331A (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106404839A (en) * 2016-08-19 2017-02-15 北京艾立特科技有限公司 An intelligent gas-sensitive analytical device used for an indirectly heated gas sensor
CN107367580A (en) * 2017-07-18 2017-11-21 中国工程物理研究院材料研究所 Sensor detector and method
CN107607672A (en) * 2017-08-29 2018-01-19 广州海洋地质调查局 A kind of underwater gas sensor calibrator (-ter) unit and calibration method
WO2018077080A1 (en) * 2016-10-27 2018-05-03 苏州仓旻电子科技有限公司 Gas-sensitive ceramic testing apparatus
CN107991352A (en) * 2017-11-24 2018-05-04 宁波大学 A kind of electronic nose equipment and test method for identifying human scent
CN108318619A (en) * 2017-12-14 2018-07-24 北京航天易联科技发展有限公司 A kind of gas sensor low-pressure gas concentration calibration device and scaling method
CN108533968A (en) * 2018-05-09 2018-09-14 北京市燃气集团有限责任公司 Steel gas pipe underground leak point positioning method based on search gas
CN108680702A (en) * 2018-03-20 2018-10-19 东南大学 A kind of device and its test method of test sensor response speed
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
CN108931342A (en) * 2017-05-25 2018-12-04 宝山钢铁股份有限公司 Bogie Multifunctional branching air pressure detection tool
CN109718720A (en) * 2018-11-21 2019-05-07 兰州空间技术物理研究所 A kind of low-pressure gas atmosphere simulator
CN111398354A (en) * 2020-03-24 2020-07-10 清华大学 Atmosphere environment switching cavity and detection system
WO2020151367A1 (en) * 2019-01-21 2020-07-30 山东科技大学 Simulated comprehensive test system for gas sealing performance

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102331481A (en) * 2010-07-12 2012-01-25 上海航天汽车机电股份有限公司 System for testing performances of oxygen sensor by adopting multi-path gas distribution to simulate automobile exhaust environment
CN102998354A (en) * 2011-09-08 2013-03-27 中国科学院过程工程研究所 Solid electrolyte gas sensor performance testing device
CN103487593A (en) * 2013-09-18 2014-01-01 中国科学院微电子研究所 Gas analysis device and method
CN104076122A (en) * 2014-05-26 2014-10-01 电子科技大学 Temperature continuously-adjustable point-contact gas-sensitive humidity-sensitive test cavity
CN204165964U (en) * 2014-10-30 2015-02-18 长安大学 A kind of device for calibration gas sensor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102331481A (en) * 2010-07-12 2012-01-25 上海航天汽车机电股份有限公司 System for testing performances of oxygen sensor by adopting multi-path gas distribution to simulate automobile exhaust environment
CN102998354A (en) * 2011-09-08 2013-03-27 中国科学院过程工程研究所 Solid electrolyte gas sensor performance testing device
CN103487593A (en) * 2013-09-18 2014-01-01 中国科学院微电子研究所 Gas analysis device and method
CN104076122A (en) * 2014-05-26 2014-10-01 电子科技大学 Temperature continuously-adjustable point-contact gas-sensitive humidity-sensitive test cavity
CN204165964U (en) * 2014-10-30 2015-02-18 长安大学 A kind of device for calibration gas sensor

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106404839A (en) * 2016-08-19 2017-02-15 北京艾立特科技有限公司 An intelligent gas-sensitive analytical device used for an indirectly heated gas sensor
WO2018077080A1 (en) * 2016-10-27 2018-05-03 苏州仓旻电子科技有限公司 Gas-sensitive ceramic testing apparatus
CN108931342A (en) * 2017-05-25 2018-12-04 宝山钢铁股份有限公司 Bogie Multifunctional branching air pressure detection tool
CN108931342B (en) * 2017-05-25 2020-11-17 宝山钢铁股份有限公司 Multifunctional shunt air pressure detection tool for load-carrying vehicle
CN107367580A (en) * 2017-07-18 2017-11-21 中国工程物理研究院材料研究所 Sensor detector and method
CN107607672A (en) * 2017-08-29 2018-01-19 广州海洋地质调查局 A kind of underwater gas sensor calibrator (-ter) unit and calibration method
CN107991352A (en) * 2017-11-24 2018-05-04 宁波大学 A kind of electronic nose equipment and test method for identifying human scent
CN108318619A (en) * 2017-12-14 2018-07-24 北京航天易联科技发展有限公司 A kind of gas sensor low-pressure gas concentration calibration device and scaling method
CN108680702A (en) * 2018-03-20 2018-10-19 东南大学 A kind of device and its test method of test sensor response speed
CN108533968A (en) * 2018-05-09 2018-09-14 北京市燃气集团有限责任公司 Steel gas pipe underground leak point positioning method based on search gas
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
CN109718720A (en) * 2018-11-21 2019-05-07 兰州空间技术物理研究所 A kind of low-pressure gas atmosphere simulator
WO2020151367A1 (en) * 2019-01-21 2020-07-30 山东科技大学 Simulated comprehensive test system for gas sealing performance
CN111398354A (en) * 2020-03-24 2020-07-10 清华大学 Atmosphere environment switching cavity and detection system

Similar Documents

Publication Publication Date Title
CN101509908B (en) Combustible burning rate test device in plateau artificial oxygen-enriched environment
CN103033442B (en) A kind of gas adsorption test device for desorption
CN101881688B (en) Standard distribution sample for detecting comprehensive performance of environmental chamber and detection method thereof
CN102169113B (en) Verifying device and method for online sulfur hexafluoride hygrometer
CN103471686B (en) A kind of gas flow standard device and application process thereof
CN105974062B (en) A kind of gas sensor calibrating installation and its calibration method
CN104849434B (en) System for calibrating accuracy of instrument for detecting gas dissolved in oil
CN204143285U (en) Temperature/humidity verification box
CN203011791U (en) Gas absorption/desorption testing device
RU2403393C2 (en) Testing device of instruments and elements of systems of air-and-gas and dust control of well atmosphere
US3665748A (en) Portable trace moisture generator for calibration of moisture analyzers
US4852389A (en) System for controlled humidity tests
CN105021777A (en) Multifunctional gas sensor testing system
CN206014938U (en) Full-automatic cell continuous culture system
Held et al. Bowen ratio/energy balance technique for estimating crop net CO 2 assimilation, and comparison with a canopy chamber
CN102721516B (en) Method for testing internal volume of container by gas tightness detector by aid of gas-release process
CN205103224U (en) Oil bath formula coal low -temperature oxidation test system
AU2009290420A1 (en) Method and device for detecting leaks in an underground liquid pipe, particularly a water pipe
CN101832887A (en) Small-sized environmental test chamber for pollutant release researches
CN106989846B (en) A kind of device measuring high temperature gas flow total temperature
CN203732104U (en) Laminar flow tube used for flow detection of high temperature and high pressure gas
CN102749286B (en) Novel portable gas normal position monitor of flue gas and pipeline gas
CN104880502B (en) Simple stimulation apparatus for corrosion and electrochemistry tests in low speed pipeline
CN108426782A (en) The lower damage of rock evolution ultrasonic monitor device of multi- scenarios method effect
CN104062153B (en) Purging sampler and purging sampling method for gaseous impurity content analysis

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination