CN106092949A - Constant temperature diffusion type sulfur hexafluoride infrared sensor calibration equipment - Google Patents

Constant temperature diffusion type sulfur hexafluoride infrared sensor calibration equipment Download PDF

Info

Publication number
CN106092949A
CN106092949A CN201610777035.5A CN201610777035A CN106092949A CN 106092949 A CN106092949 A CN 106092949A CN 201610777035 A CN201610777035 A CN 201610777035A CN 106092949 A CN106092949 A CN 106092949A
Authority
CN
China
Prior art keywords
calorstat
guide pin
pin bushing
plunger
chamber door
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.)
Granted
Application number
CN201610777035.5A
Other languages
Chinese (zh)
Other versions
CN106092949B (en
Inventor
汪献忠
李建国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Relations Co Ltd
Original Assignee
Henan Relations Co Ltd
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 Henan Relations Co Ltd filed Critical Henan Relations Co Ltd
Priority to CN201610777035.5A priority Critical patent/CN106092949B/en
Publication of CN106092949A publication Critical patent/CN106092949A/en
Application granted granted Critical
Publication of CN106092949B publication Critical patent/CN106092949B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

Constant temperature diffusion type sulfur hexafluoride infrared sensor calibration equipment, including operating board and calorstat, operating board is provided with industrial computer and distributing instrument, on front side of calorstat uncovered and horizontally rotated by hinge and be provided with chamber door, calorstat inner bottom part is provided with support, support is provided with the mounting box that at least three is made up of heat conducting material, described sulfur hexafluoride infrared sensor is located in mounting box, industrial computer is connected with sulfur hexafluoride infrared sensor respectively by power supply connection and distributing instrument connects, distributing instrument is connected with mounting box top by air supply pipe, exhaustor it is provided with bottom mounting box, power supply connection, air supply pipe and exhaustor are through calorstat and respectively and be provided with sealing ring calorstat;Present invention achieves temperature-compensating and the automatic Verification of sensor, temperature-compensating guarantees that heat does not leaks, and improves the automaticity of sensor calibration, it is provided that work efficiency.

Description

Constant temperature diffusion type sulfur hexafluoride infrared sensor calibration equipment
Technical field
The present invention relates to a kind of instrument and meter calibration equipment, particularly relate to a kind of constant temperature diffusion type sulfur hexafluoride infrared sensing Device calibration equipment.
Background technology
At present, infrared sulfur hexafluoride sensor (SF6Sensor) there is excellent characteristic, high reliability and repeatability, 10 Long-life in year, high performance-price ratio;Not by H2O, ethanol, CO2Deng gas interference etc., therefore it is widely used in the SF6 of power equipment In gas leakage monitoring alarm system (0-1000ppm), SF6Leak detector (0-50ppm), SF6Purity analysis instrument (0-100%) etc. In product.
This kind of sensor needs periodically to verify, to ensure detection data stabilization and the production safety of instrument product.But The automated calibration equipment that Current Domestic market is not the most relevant, typically takes the manual mode verified, calibrates and test eye and stare at Written notes, means fall behind;Owing to being all manual operations, on-the-spot Standard Gases sample gas pipeline, conductive track cross-distribution, it is very easy to send out Raw contingency;The more important thing is, such present situation causes production efficiency low, can not meet the automatization of production, fast Speed, the demand such as stable.
Summary of the invention
The present invention is to solve weak point of the prior art, it is provided that a kind of simple in construction, easily operated, verification efficiency High, the constant temperature diffusion type sulfur hexafluoride infrared sensor calibration equipment of dependable performance.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that constant temperature diffusion type sulfur hexafluoride infrared sensing Device calibration equipment, including operating board and calorstat, operating board is provided with industrial computer and distributing instrument, uncovered and pass through on front side of calorstat Hinge horizontally rotates and is provided with chamber door, and calorstat inner bottom part is provided with support, and support is provided with at least three and is made up of heat conducting material Mounting box, described sulfur hexafluoride infrared sensor is located in mounting box, industrial computer by power supply connection respectively with hexafluoro Changing sulfur infrared sensor to connect and distributing instrument connection, distributing instrument is connected with mounting box top by air supply pipe, sets bottom mounting box Having exhaustor, power supply connection, air supply pipe and exhaustor are through calorstat and respectively and be provided with sealing ring calorstat;
It is provided with fixed block on front side of calorstat top inner wall, is provided with lower fixed block on front side of calorstat bottom interior wall, at the bottom of upper fixed block Portion offers jack, and lower fixed block top offers lower jack, and chamber door is provided with joins with upper jack and lower jack grafting respectively The plug-in type lock door mechanism closed.
Plug-in type lock door mechanism includes fixing guide pin bushing, lower fixing guide pin bushing, upper plunger and lower plunger, upper fixing guide pin bushing, under Fixing guide pin bushing, upper plunger and lower plunger are all vertically arranged, and upper fixing guide pin bushing is fixing is located at chamber door upper inside wall, and lower fixing guide pin bushing is solid Surely being located at chamber door inner wall lower, upper plunger slides and is plugged in fixing guide pin bushing, and lower plunger slides and is plugged in lower fixing guide pin bushing, case Door inwall is provided with installing rack, installing rack is rotatably connected to rotating shaft along the longitudinal direction, rotating shaft is fixed with gear, before rotating shaft Hold through chamber door and connect have handle, the bottom of upper plunger is provided with the upper rack engaged with gear, the top of lower plunger be provided with and The lower tooth bar of gear engagement, upper rack is parallel with lower tooth bar and is positioned at the opposite sides of gear;When chamber door is shut, on upper plunger Holding the most corresponding with upper jack, lower plunger upper end is the most corresponding with lower jack.
Upper fixing guide pin bushing is provided with two, and a upper fixing guide pin bushing is set in upper plunger top, fixing guide pin bushing set on another It is located at upper plunger bottom and is positioned at above gear;The most fixing guide pin bushing is provided with two, and under one, fixing guide pin bushing is set under lower plunger Portion, under another, fixing guide pin bushing is set in lower plunger top and is positioned at below gear.
Calorstat inwall and chamber door inwall are equipped with glass cotton adiabator layer, and chamber door inside wall edge is provided with a circle and constant temperature The rubber weather strip of case front end face press fit.
Using technique scheme, mounting box is a sealable box made by heat conducting material, and top is arranged Verification gas access, bottom arranges verification gas outlet, can place multiple sulfur hexafluoride infrared sensor inside mounting box.Verification Time, in calibration gas enters into mounting box by air supply pipe after being prepared by distributing instrument and spread, treat sulfur hexafluoride infrared sensing During device signal stabilization, the single-point calibration of sulfur hexafluoride infrared sensor can be realized.Repetitive operation, can complete calibration and hexafluoro Change the test of sulfur infrared sensor.Owing to mounting box is that Heat Conduction Material is made, change the external temperature of mounting box, can be to hexafluoro Change sulfur infrared sensor and carry out temperature-compensating test, it is ensured that the degree of accuracy of verification.Gas in calibration or experimentation is from aerofluxus Pipeline empties.
Mounting box is positioned over inside calorstat, can arrange multiple mounting box in calorstat.The gas of multiple mounting boxs comes in and goes out The gas pipeline of mouth is parallel relationship.
Sulfur hexafluoride infrared sensor is connected to industrial computer by power supply connection (485 bus), the infrared biography of sulfur hexafluoride Test data after the verification data of sensor and temperature-compensating and all can upload to industrial computer.
Industrial computer connects distributing instrument and calorstat by serial ports RS232, is controlled by the LABVIEW software run on it Variable concentrations gas and the configuration of temperature and break-make in checking procedure.The gas that distributing instrument generates enters calorstat by air supply pipe In mounting box.
Chamber door is set on front side of calorstat, the circuit in calorstat, pipeline and other components and parts can be safeguarded.Permanent Incubator inwall and chamber door inwall are equipped with glass cotton adiabator layer, and chamber door inside wall edge is provided with a circle and calorstat front end face pressure Connect the rubber weather strip of cooperation, the heat-insulating property of calorstat can be improved, reduce energy consumption.
Manipulation plug-in type lock door mechanism can quickly open or close chamber door, and it is firm to connect, easy to operate.Concrete operations Journey: close upper chamber door, push hard chamber door, make rubber weather strip crimp with calorstat front end face;Then rotary handle, rotating shaft drives tooth Wheel rotates, due to gear both sides respectively with upper rack and lower tooth bar engaged transmission, thus upper rack drives upper plunger along upper fixing Guide pin bushing moves upward, and the upper end of upper plunger extends upwardly in the upper jack on fixed block, under lower rack drives lower plunger edge Fixing guide pin bushing moves downward, and the lower end of lower plunger extend in lower jack, owing to upper plunger and lower plunger are plugged in upper inserting respectively In hole and lower jack, thus chamber door is locked, when chamber door opened by needs, only handle need to be reversely rotated.
Fixing guide pin bushing under two upper fixing guide pin bushings and two is set and can ensure that upper plunger and lower plunger move in the vertical direction, And guarantee the good engagement with gear.
The present invention based on adaptive Fuzzy PID Control algorithm with STM32F103 as master control (by RS485 serial communication Control mass flow controller and produce calibrating gas), its man-machine interactive platform uses color touch display screen, and measurement of concetration uses Advanced infrared sulfur hexafluoride sensor, collects the most again measurement in real time, the switching of manual automatic mode, systematic parameter inquiry, is easy to Numerous functions such as calibration are in one, simple to operate, dependable performance.Use adaptive Fuzzy PID Control algorithm that instrument is greatly reduced The prover time of table, improves the verification essence of this device simultaneously by advanced error processing method and temperature drift processing method Degree, and increase the temperature applicable range of device.At hardware aspect, use technical grade module, improve the reliability of device And stability.Prover time and precision reach expectation index, and the present invention can be widely used in power system and use lithium The producer of sulfur associated electrical appliance equipment.
In sum, present invention achieves temperature-compensating and the automatic Verification of sensor, outside temperature-compensating guarantees that heat is not Let out, improve the automaticity of sensor calibration, it is provided that work efficiency.Regular gas piping, conductive track and communicate Functions of modules, and hidden with device inside, solve on-the-spot standard gas sample, the loaded down with trivial details present situation of conductive track cross-distribution, And improve the safety in production.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the rearview of chamber door in Fig. 1.
Detailed description of the invention
As depicted in figs. 1 and 2, the constant temperature diffusion type sulfur hexafluoride infrared sensor calibration equipment of the present invention, including operation Platform 1 and calorstat 2, operating board 1 is provided with industrial computer 3 and distributing instrument 4, uncovered and horizontally rotated by hinge 5 on front side of calorstat 2 Being provided with chamber door 6, calorstat 2 inner bottom part is provided with support 7, and support 7 is provided with the mounting box that at least three is made up of heat conducting material 8, described sulfur hexafluoride infrared sensor 9 is located in mounting box 8, and industrial computer 3 passes through power supply connection 10 respectively with lithium Sulfur infrared sensor 9 connects and distributing instrument 4 connects, and distributing instrument 4 is connected with mounting box 8 top by air supply pipe 28, mounting box 8 end Portion is provided with exhaustor 11, and power supply connection 10, air supply pipe 28 and exhaustor 11 are through calorstat 2 and respectively and calorstat 2 It is provided with sealing ring (not illustrating out in figure).
It is provided with fixed block 12 on front side of calorstat 2 top inner wall, on front side of calorstat 2 bottom interior wall, is provided with lower fixed block 13, Offering jack 14 bottom upper fixed block 12, lower fixed block 13 top offers lower jack 15, and chamber door 6 is provided with respectively with upper The plug-in type lock door mechanism that jack 14 and lower jack 15 grafting coordinate.
Plug-in type lock door mechanism includes fixing guide pin bushing 16, lower fixing guide pin bushing 17, upper plunger 18 and lower plunger 19, upper fixing Guide pin bushing 16, lower fixing guide pin bushing 17, upper plunger 18 and lower plunger 19 are all vertically arranged, and upper fixing guide pin bushing 16 is fixing to be located in chamber door 6 Wall top, lower fixing guide pin bushing 17 is fixing is located at chamber door 6 inner wall lower, and upper plunger 18 slides and is plugged in fixing guide pin bushing 16, lower slotting Bar 19 slides and is plugged in lower fixing guide pin bushing 17, and chamber door 6 inwall is provided with installing rack 20, and installing rack 20 rotates along the longitudinal direction Connecting and have rotating shaft 21, rotating shaft 21 is fixed with gear 22, there are handle 23, upper plunger in rotating shaft 21 front end through chamber door 6 connection The bottom of 18 is provided with the upper rack 24 engaged with gear 22, and the top of lower plunger 19 is provided with the lower tooth bar 25 engaged with gear 22, Upper rack 24 is parallel with lower tooth bar 25 and is positioned at the opposite sides of gear 22;When chamber door 6 is shut, upper plunger 18 upper end is inserted with upper Hole about 14 is corresponding, and lower plunger 19 upper end is corresponding with lower jack about 15.
Upper fixing guide pin bushing 16 is provided with two, and a upper fixing guide pin bushing 16 is set in upper plunger 18 top, fixing on another Guide pin bushing 16 is set in upper plunger 18 bottom and is positioned at above gear 22;The most fixing guide pin bushing 17 is provided with two, fixing guide pin bushing under 17 are set in lower plunger 19 bottom, and under another, fixing guide pin bushing 17 is set in lower plunger 19 top and is positioned at below gear 22.
Calorstat 2 inwall and chamber door 6 inwall are equipped with glass cotton adiabator layer 26, and chamber door 6 inside wall edge is provided with a circle Rubber weather strip 27 with calorstat 2 front end face press fit.
Mounting box 8 is a sealable box made by heat conducting material, and top arranges verification gas access, bottom Arranging verification gas outlet, mounting box 8 is internal can place multiple sulfur hexafluoride infrared sensor 9.During verification, calibration gas is by joining Gas instrument 4 passes through in air supply pipe 28 enters into mounting box 8 after preparing and spreads, and treats sulfur hexafluoride infrared sensor 9 signal stabilization Time, the single-point calibration of sulfur hexafluoride infrared sensor 9 can be realized.Repetitive operation, can complete calibration and sulfur hexafluoride is infrared Sensor 9 is tested.Owing to mounting box 8 is that Heat Conduction Material is made, change the external temperature of mounting box 8, can be to sulfur hexafluoride Infrared sensor 9 carries out temperature-compensating test, it is ensured that the degree of accuracy of verification.Gas in calibration or experimentation is from exhaustor 11 Road empties.
It is internal that mounting box 8 is positioned over calorstat 2, can arrange multiple mounting box 8 in calorstat 2.The gas of multiple mounting boxs 8 The gas pipeline of gateway is parallel relationship.
Sulfur hexafluoride infrared sensor 9 is by power supply connection 10(485 bus) it is connected to industrial computer 3, sulfur hexafluoride is red Test data after the verification data of outer sensor 9 and temperature-compensating and all can upload to industrial computer 3.
Industrial computer 3 connects distributing instrument 4 and calorstat 2 by serial ports RS232, is come by the LABVIEW software run on it Control variable concentrations gas and the configuration of temperature and break-make in checking procedure.The gas that distributing instrument 4 generates is entered by air supply pipe 28 Enter the mounting box 8 in calorstat 2.
Chamber door 6 is set on front side of calorstat 2, the circuit in calorstat 2, pipeline and other components and parts can be tieed up Protect.Calorstat 2 inwall and chamber door 6 inwall are equipped with glass cotton adiabator layer 26, and chamber door 6 inside wall edge is provided with a circle and constant temperature The rubber weather strip 27 of case 2 front end face press fit, can improve the heat-insulating property of calorstat 2, reduces energy consumption.
Manipulation plug-in type lock door mechanism can quickly open or close chamber door 6, and it is firm to connect, easy to operate.Concrete operations Journey: close upper chamber door 6, push hard chamber door 6, make rubber weather strip 27 crimp with calorstat 2 front end face;Then rotary handle 23, turn Axle 21 driven gear 22 rotates, due to gear 22 both sides respectively with upper rack 24 and lower tooth bar 25 engaged transmission, thus upper rack 24 drive upper plungers 18 to move upward along upper fixing guide pin bushing 16, and it is upper that the upper end of upper plunger 18 extends upwardly on fixed block 12 In jack 14, lower tooth bar 25 drives lower plunger 19 to move downward along lower fixing guide pin bushing 17, and the lower end of lower plunger 19 extend into lower inserting In hole 15, owing to upper plunger 18 and lower plunger 19 are plugged in upper jack 14 and lower jack 15 respectively, thus locked for chamber door 6, When chamber door 6 opened by needs, only handle 23 need to be reversely rotated.
The shape of the present invention, material, structure etc. are not made any pro forma restriction by the present embodiment, every according to this Any simple modification, equivalent variations and the modification that above example is made by bright technical spirit, belongs to the technology of the present invention side The protection domain of case.

Claims (4)

1. constant temperature diffusion type sulfur hexafluoride infrared sensor calibration equipment, it is characterised in that: include operating board and calorstat, operation Platform is provided with industrial computer and distributing instrument, uncovered and horizontally rotated by hinge and be provided with chamber door on front side of calorstat, calorstat inner bottom part Being provided with support, support is provided with the mounting box that at least three is made up, described sulfur hexafluoride infrared sensor of heat conducting material Being located in mounting box, industrial computer is connected with sulfur hexafluoride infrared sensor respectively by power supply connection and distributing instrument connects, and joins Gas instrument is connected with mounting box top by air supply pipe, is provided with exhaustor, power supply connection, air supply pipe and exhaustor bottom mounting box Through calorstat and respectively and calorstat, be provided with sealing ring;
It is provided with fixed block on front side of calorstat top inner wall, is provided with lower fixed block on front side of calorstat bottom interior wall, at the bottom of upper fixed block Portion offers jack, and lower fixed block top offers lower jack, and chamber door is provided with joins with upper jack and lower jack grafting respectively The plug-in type lock door mechanism closed.
Constant temperature diffusion type sulfur hexafluoride infrared sensor calibration equipment the most according to claim 1, it is characterised in that: grafting Formula lock door mechanism includes fixing guide pin bushing, lower fixing guide pin bushing, upper plunger and lower plunger, upper fixing guide pin bushing, lower fixing guide pin bushing, upper inserts Bar and lower plunger are all vertically arranged, and upper fixing guide pin bushing is fixing is located at chamber door upper inside wall, and lower fixing guide pin bushing is fixing to be located in chamber door Wall bottom, upper plunger slides and is plugged in fixing guide pin bushing, and lower plunger slides and is plugged in lower fixing guide pin bushing, and chamber door inwall is provided with Installing rack, installing rack is rotatably connected to rotating shaft along the longitudinal direction, and rotating shaft is fixed with gear, and rotating shaft front end is through chamber door also Connecting and have handle, the bottom of upper plunger is provided with the upper rack engaged with gear, and the top of lower plunger is provided with engages down with gear Tooth bar, upper rack is parallel with lower tooth bar and is positioned at the opposite sides of gear;When chamber door is shut, on upper plunger upper end and upper jack Lower correspondence, lower plunger upper end is the most corresponding with lower jack.
Constant temperature diffusion type sulfur hexafluoride infrared sensor calibration equipment the most according to claim 2, it is characterised in that: upper solid Determining guide pin bushing and be provided with two, a upper fixing guide pin bushing is set in upper plunger top, and on another, fixing guide pin bushing is set under upper plunger Portion is also positioned at above gear;The most fixing guide pin bushing is provided with two, and under one, fixing guide pin bushing is set in lower plunger bottom, and another is lower solid Determine guide pin bushing be set in lower plunger top and be positioned at below gear.
4., according to the constant temperature diffusion type sulfur hexafluoride infrared sensor calibration equipment described in claim 1 or 2 or 3, its feature exists In: calorstat inwall and chamber door inwall are equipped with glass cotton adiabator layer, before chamber door inside wall edge is provided with a circle and calorstat The rubber weather strip of end face press fit.
CN201610777035.5A 2016-08-30 2016-08-30 Constant temperature diffusion type sulfur hexafluoride infrared sensor calibration equipment Active CN106092949B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610777035.5A CN106092949B (en) 2016-08-30 2016-08-30 Constant temperature diffusion type sulfur hexafluoride infrared sensor calibration equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610777035.5A CN106092949B (en) 2016-08-30 2016-08-30 Constant temperature diffusion type sulfur hexafluoride infrared sensor calibration equipment

Publications (2)

Publication Number Publication Date
CN106092949A true CN106092949A (en) 2016-11-09
CN106092949B CN106092949B (en) 2019-08-16

Family

ID=57224195

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610777035.5A Active CN106092949B (en) 2016-08-30 2016-08-30 Constant temperature diffusion type sulfur hexafluoride infrared sensor calibration equipment

Country Status (1)

Country Link
CN (1) CN106092949B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108692870A (en) * 2018-05-08 2018-10-23 广州供电局有限公司 SF6Leak detector test method and device
CN108982396A (en) * 2018-05-30 2018-12-11 南京信息工程大学 A kind of infrared CO2Gas sensor and its calibration system and humiture compensation method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2741037Y (en) * 2004-01-03 2005-11-16 淮南矿业集团兴科计量技术服务有限责任公司 Testing house of harm gas monitoring instrument
CN202512105U (en) * 2012-02-27 2012-10-31 长沙久嘉技术推广服务有限公司 Portable methane alarm checking device
CN203310825U (en) * 2013-06-07 2013-11-27 河南省日立信股份有限公司 Intelligent verification platform for multi-component gas analysis meter taking sulfur hexafluoride as background gas
CN104375082A (en) * 2014-11-04 2015-02-25 广州供电局有限公司 Intelligent SF6 density relay calibration device and method
CN204184184U (en) * 2014-09-25 2015-03-04 许继电气股份有限公司 Battery box catch gear and Battery case and battery box
CN206074438U (en) * 2016-08-30 2017-04-05 河南省日立信股份有限公司 Constant temperature diffusion type sulfur hexafluoride infrared sensor calibration equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2741037Y (en) * 2004-01-03 2005-11-16 淮南矿业集团兴科计量技术服务有限责任公司 Testing house of harm gas monitoring instrument
CN202512105U (en) * 2012-02-27 2012-10-31 长沙久嘉技术推广服务有限公司 Portable methane alarm checking device
CN203310825U (en) * 2013-06-07 2013-11-27 河南省日立信股份有限公司 Intelligent verification platform for multi-component gas analysis meter taking sulfur hexafluoride as background gas
CN204184184U (en) * 2014-09-25 2015-03-04 许继电气股份有限公司 Battery box catch gear and Battery case and battery box
CN104375082A (en) * 2014-11-04 2015-02-25 广州供电局有限公司 Intelligent SF6 density relay calibration device and method
CN206074438U (en) * 2016-08-30 2017-04-05 河南省日立信股份有限公司 Constant temperature diffusion type sulfur hexafluoride infrared sensor calibration equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108692870A (en) * 2018-05-08 2018-10-23 广州供电局有限公司 SF6Leak detector test method and device
CN108982396A (en) * 2018-05-30 2018-12-11 南京信息工程大学 A kind of infrared CO2Gas sensor and its calibration system and humiture compensation method

Also Published As

Publication number Publication date
CN106092949B (en) 2019-08-16

Similar Documents

Publication Publication Date Title
CN202362222U (en) Whole-course visualized gas content tester
CN205067172U (en) Compound stench gas sensor module busbar
CN102297750B (en) Solenoid valve on-line checkingi platform
CN108516198A (en) A kind of large size water conservancy and hydropower geotechnical investigation soil sample storage box
CN106092949A (en) Constant temperature diffusion type sulfur hexafluoride infrared sensor calibration equipment
CN206074438U (en) Constant temperature diffusion type sulfur hexafluoride infrared sensor calibration equipment
CN1696664A (en) Gate module of semi automatic single photon counting meter of micropore plate
CN104596973A (en) Gas sensor and method for detecting concentration of methane gas in septic tank by using gas sensor
CN203365398U (en) In-situ headspace sample injector
CN103344728B (en) In-situ headspace sample injector
CN202870573U (en) Full intelligent water-cutting facility
CN204536254U (en) A kind of multichannel formaldehyde gathers intelligent calibration system
CN203644292U (en) Fire testing box capable of chancing low air pressure and oxygen concentration
CN103529152B (en) Self-feedback gasometry device based on mass spectrometer and application method thereof
CN205665060U (en) Four -channel VOC gas production device
CN104713766A (en) Sample pretreatment method of laser Raman natural gas analyzer and device thereof
CN201464220U (en) Insulating oil-sampling valve with multiple sampling ports
CN209043848U (en) A kind of analysis of total sulfur system
CN205532579U (en) Experimental device for it forms to be used for monitoring artificial gas cap
CN207020077U (en) Sulfur hexafluoride gas mineral oil in fluid content testing device
CN214067042U (en) Explosion-proof online gas chromatograph case
CN205785303U (en) A kind of temperature, pressure integrative sensor on-line calibration standard interface
CN104820069B (en) A kind of gas on-line analyzer analyzed for production scene
CN107966490A (en) A kind of photo-ionization gas detector On-line Control case
CN205843905U (en) A kind of intelligent door and window comprehensive detection system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant