CN109406407A - The dynamic response time detection device and method of infrared laser methane concentration measuring apparatus - Google Patents
The dynamic response time detection device and method of infrared laser methane concentration measuring apparatus Download PDFInfo
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- CN109406407A CN109406407A CN201811378739.0A CN201811378739A CN109406407A CN 109406407 A CN109406407 A CN 109406407A CN 201811378739 A CN201811378739 A CN 201811378739A CN 109406407 A CN109406407 A CN 109406407A
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 222
- 238000001514 detection method Methods 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000005259 measurement Methods 0.000 claims abstract description 108
- 238000002834 transmittance Methods 0.000 claims abstract description 34
- 238000012360 testing method Methods 0.000 claims abstract description 13
- 239000000523 sample Substances 0.000 claims description 10
- 230000006698 induction Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 231100001261 hazardous Toxicity 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a kind of dynamic response time detection devices of infrared laser methane concentration measuring apparatus, including power module, normal concentration methane gas chamber, adjustable speed motor, motor control module, turntable, controller module and data outputting module；Power module power supply；Controller module controls the revolving speed of adjustable speed motor by motor control module；The transmittance section that the measurement laser of infrared laser methane concentration measuring apparatus output passes through on turntable is irradiated to normal concentration methane gas chamber, measures to gas concentration and data are uploaded controller module；Controller module exports received measurement data by data outputting module；Testing staff detects according to dynamic response time of the detection data to infrared laser methane concentration measuring apparatus.The invention also discloses the methods of the dynamic response time detection device of the infrared laser methane concentration measuring apparatus.Technical solution of the present invention detection accuracy is high, low in cost and high reliablity.
Description
Technical field
Present invention relates particularly to a kind of dynamic response time detection device of infrared laser methane concentration measuring apparatus and methods.
Background technique
With the development of infrared laser measuring technique, market is had been put into more and more laser measurement instrument devices in recent years
It uses, endless convenience is brought to people's production and life.
Infrared laser methane measurement of concetration instrument table has been developed in recent years novel measuring instrumentss instruments and meters, mainly
For hazardous area gas concentration measurement.For example, in the inferior hazardous area of mine, such infrared laser methane measurement of concetration instrument
For measuring the methane concentration of present position, to carry out preparatory early warning etc..
Due to the special role and purposes of infrared laser methane measurement of concetration instrument, dynamic response time is such measurement
One of important indicator of instrument, dynamic response time is faster, and performance is better, also can faster measure with more accurate
The variation of methane concentration and changing value, thus carry out early warning more preferably and earlier.Currently, such infrared laser methane measurement of concetration
The dynamic responding speed of instrument is very fast, and usual dynamic response time is within 1s.
But there has been no the measurement works of the dynamic response time for such infrared laser methane measurement of concetration instrument at present
Tool, people when in use often only according to the nominal dynamic response time of infrared laser methane measurement of concetration instrument carry out type selecting and
Design, and can not really detect its dynamic response time.Simultaneously as infrared laser methane concentration can not be detected really
The dynamic response time of measuring instrumentss, so that such infrared laser methane measurement of concetration instrument is in specific application, reliability
It cannot specifically be ensured with safety.
Summary of the invention
Infrared laser first high, low in cost and high reliablity that one of the objects of the present invention is to provide a kind of detection accuracy
The dynamic response time detection device of alkane concentration measuring apparatus.
The second object of the present invention is to provide a kind of dynamic response time of infrared laser methane concentration measuring apparatus
The method of detection device.
The dynamic response time detection device of this infrared laser methane concentration measuring apparatus provided by the invention, including power supply
Module, normal concentration methane gas chamber, adjustable speed motor, motor control module, turntable, controller module and data outputting module；
Motor control module and data outputting module are connect with controller module；Motor control module connection adjustable speed motor simultaneously controls
The revolving speed of adjustable speed motor；Transmittance section is provided on turntable, turntable is mounted on the output shaft of adjustable speed motor；To be measured is red
The measuring signal output end of outer laser methane measurement of concetration instrument connects controller module；Power module is powered to detection device；
Controller module exports control instruction, and the revolving speed of adjustable speed motor is controlled by motor control module；To be measured is infrared sharp
The measurement laser of light methane concentration measuring instrumentss output is irradiated to normal concentration methane gas chamber after passing through the transmittance section on turntable；To
The infrared laser methane measurement of concetration instrument of measurement measures the indoor gas concentration of normal concentration methane gas and will measurement
Data upload controller module；Controller module exports received measurement data by data outputting module；Detect people
Member is according to the detection data of data outputting module output to the dynamic response of infrared laser methane measurement of concetration instrument to be measured
Time is detected.
The dynamic response time detection device of the infrared laser methane concentration measuring apparatus further includes detection trigger module；
Detection trigger module is arranged at the transmittance section on turntable, and connect with controller module；Detection trigger module is dynamic for detecting
The initial time of state response time, and the information of initial time is uploaded to controller module.
The detection trigger module includes that Hall sensor probe and Hall sensor incude patch；Hall sensor sense
Patch is answered to be arranged at the transmittance section on turntable, the data output end of Hall sensor probe connects controller module；Hall passes
Sensor probe for detect Hall sensor induction patch position, thus detect transmittance section by Hall sensor probe when
It carves, and the time information is uploaded into controller module.
The detection trigger module includes touching switch and collision block；Collision block is arranged at the transmittance section on turntable, touching
The data output end of switch connects controller module；Touching switch is used to detect the position of collision block, to detect transmittance section process
At the time of touching switch, and the time information is uploaded into controller module.
The transmittance section includes loophole and light tank.
The adjustable speed motor is variable-frequency motor or direct current generator, and the motor control module is frequency converter or tune
Fast device.
The data outputting module is host computer；Host computer is used to receive the measurement data of controller module upload, and
Measurement data is detected, to complete the dynamic response time detection of infrared laser methane concentration measuring apparatus.
The data outputting module is high-speed camera；The camera of high-speed camera is directed at infrared laser to be detected
The data display unit of methane concentration measuring instrumentss；High-speed camera is for shooting infrared laser methane measurement of concetration to be detected
The data situation of the data display unit of instrument；The infrared laser to be detected that testing staff shoots according to high-speed camera
The data situation of the data display unit of methane concentration measuring instrumentss, to the dynamic of infrared laser methane measurement of concetration instrument
Response time is detected.
The present invention also provides a kind of dynamic response time detection devices of infrared laser methane concentration measuring apparatus
Method includes the following steps:
S1. controller module issues control instruction, controls adjustable speed motor work in setting by motor control module
Revolving speed, while infrared laser methane measurement of concetration instrument to be detected issues measurement infrared laser；
S2. measurement is incident upon on turntable with infrared laser and is stopped by turntable；
S3. when turntable, which is rotated, is projected onto the transmittance section on turntable at once to measurement infrared laser, trigger mode is detected
Block triggers and issues trigger signal to controller module；
S4. controller module receives trigger signal and records at the time of receive trigger signal；Turntable continues to turn at this time
Dynamic, measurement penetrates the transmittance section on turntable with infrared laser and projects on normal concentration methane gas chamber, and to normal concentration first
The indoor gas concentration of alkane gas measures；
S5. measurement data is uploaded to controller module by infrared laser methane measurement of concetration instrument to be detected in real time；
S6. controller module exports the measurement data of upload by data outputting module；
S7. testing staff surveys infrared laser methane concentration to be measured according to the detection data that data outputting module exports
The dynamic response time of amount instrument is detected；
S8. turntable continue to rotate until measurement infrared laser stopped again by turntable, infrared laser methane measurement of concetration
The one-time detection process of the dynamic response time of instrument terminates.
The method of the dynamic response time detection device of the infrared laser methane concentration measuring apparatus further includes walking as follows
It is rapid:
S9. it repeats step S2~S7 and carries out repeated detection, and comprehensive consideration is carried out to the testing result of repeated detection, thus
Complete the detection of the dynamic response time of final infrared laser methane measurement of concetration instrument.
The dynamic response time detection device and method of this infrared laser methane concentration measuring apparatus provided by the invention are led to
Turntable and its transmittance section are crossed to the blocking of measurement laser and is penetrated, controller module surveys infrared laser methane concentration to be detected
The output and detection of the acquisition and data outputting module of the measurement data of instrument to measurement data are measured, infrared laser methane is realized
The quick and precisely detection and measurement of the dynamic response time of measurement of concetration instrument；Turning for turntable is controlled by adjustable speed motor simultaneously
Speed, so that this detection device can be compatible with the infrared laser methane measurement of concetration instrument of various dynamic response times；Therefore,
Technical solution of the present invention detection accuracy is high, low in cost and high reliablity.
Detailed description of the invention
Fig. 1 is the functional block diagram of apparatus of the present invention.
Fig. 2 is the method flow diagram of the method for the present invention.
Specific embodiment
As shown in Figure 1 be the functional block diagram of apparatus of the present invention: this infrared laser methane provided by the invention is dense
Spend the dynamic response time detection device of measuring instrumentss, including power module, normal concentration methane gas chamber, adjustable speed motor, electricity
Machine control module, turntable (in figure shown in the ellipse of blank), controller module, data outputting module and detection trigger module
(including the black filled circle shown on figure turntable)；Motor control module, detection trigger module and data outputting module are equal
It is connect with controller module；Motor control module connection adjustable speed motor and the revolving speed for controlling adjustable speed motor；It is arranged on turntable
There is transmittance section (using the arc groove opened on turntable in figure), turntable is mounted on the output shaft of adjustable speed motor；It is to be measured
The measuring signal output end of the infrared laser methane measurement of concetration instrument of amount connects controller module；Power module is to detection device
Power supply；Controller module exports control instruction, and the revolving speed of adjustable speed motor is controlled by motor control module；To be measured is red
The measurement laser of outer laser methane measurement of concetration instrument output is irradiated to normal concentration methane gas after passing through the transmittance section on turntable
Room；Infrared laser methane measurement of concetration instrument to be measured measures the indoor gas concentration of normal concentration methane gas and incites somebody to action
Measurement data uploads controller module；Controller module exports received measurement data by data outputting module；Inspection
Dynamic of the detection data that survey personnel export according to data outputting module to infrared laser methane measurement of concetration instrument to be measured
Response time is detected；Detection trigger module is arranged at the transmittance section on turntable, for detecting rising for dynamic response time
Begin the moment, and the information of initial time is uploaded to controller module.
In the specific implementation, detection trigger module can take various forms, and only be explained below with two kinds of embodiments:
Embodiment one: detection trigger module includes that Hall sensor probe and Hall sensor incude patch；Hall sensing
Device induction patch is arranged at the transmittance section on turntable, and the data output end of Hall sensor probe connects controller module；Suddenly
Your sensor probe is used to detect the position of Hall sensor induction patch, pops one's head in detect transmittance section by Hall sensor
At the time of, and the time information is uploaded into controller module；
Embodiment two: detection trigger module includes touching switch and collision block；Collision block is arranged at the transmittance section on turntable, touching
Touch the data output end connection controller module of switch；Touching switch is used to detect the position of collision block, to detect transmittance section warp
At the time of crossing touching switch, and the time information is uploaded into controller module.
In the specific implementation, transmittance section can realize that wherein light tank can use using modes such as loophole, light tanks
Arc groove (as shown in fig. 1), can also use other directions slot (such as radial direction), purpose be that allow it is to be measured
Infrared laser methane measurement of concetration instrument issue detection laser penetration turntable.
In the specific implementation, adjustable speed motor can use variable-frequency motor, while motor control module is frequency converter；Or
Using direct current generator, motor control module is then special-purpose assorted DC motor speed-regulating device at this time.
In the specific implementation, data outputting module can use two ways:
Embodiment one: data outputting module is host computer；Host computer is used to receive the measurement data of controller module upload,
And measurement data is detected, to complete the dynamic response time detection of infrared laser methane measurement of concetration instrument.
Embodiment two: data outputting module is high-speed camera；The camera alignment of high-speed camera is to be detected infrared
The data display unit of laser methane measurement of concetration instrument；High-speed camera is for shooting infrared laser methane concentration to be detected
The data situation of the data display unit of measuring instrumentss；Testing staff shoots to be detected infrared according to high-speed camera
The data situation of the data display unit of laser methane measurement of concetration instrument, to infrared laser methane measurement of concetration instrument
Dynamic response time is detected.
Hereinafter, the course of work of the device of the invention is further described in conjunction with specific operating condition:
Operating condition one: data outputting module uses host computer, and transmittance section uses arc groove, and infrared laser methane to be detected is dense
Measuring instrumentss are spent using the measuring instrumentss that can record in real time and export measurement result；Controller module passes through motor
Control module controls adjustable speed motor rotation；By taking Fig. 1 as an example, turntable is rotated clockwise；Infrared laser methane concentration to be detected
Measuring instrumentss issue measurement laser；Initial stage, measurement laser are got on turntable and are stopped by turntable, at this time infrared laser to be detected
The data of methane concentration measuring instrumentss measurement should be fixed value (such as 0)；Then, when turntable continues to rotate clockwise, at this point, working as
Arc groove branches to the position of measurement laser at once when, trigger module is detected at this time and detects trigger signal, and will be on the signal
Controller module is passed, at the time of controller module then records the trigger signal；Then, continuing to rotate with turntable, measurement swash
Light passes through arc groove and is emitted on normal concentration methane gas chamber, and infrared laser methane measurement of concetration instrument to be detected will at this time
There is reading (the indoor methane concentration of normal concentration methane gas measured), while the reading should be the fixation from before
Value (such as 0) gradually jumps to final measured value (such as X)；During numerical value jump, infrared laser first to be detected
Alkane measurement of concetration instrument records measurement result in real time and uploads controller module；It is defeated that the result is uploaded to data by controller module
Module is exported and is shown out；In data outputting module, testing staff can be according to obtained data to be detected red
The dynamic response time of outer laser methane measurement of concetration instrument is calculated (for example since the moment 0, to be jumped to detection data
Time required for the 80% of final measurement X is dynamic response time), the calculating process of the dynamic response time can be taking human as meter
It calculates and completes, can also be automatically performed by computer programming.
Operating condition two: data outputting module uses high-speed camera, and transmittance section uses arc groove, infrared laser first to be detected
Alkane measurement of concetration instrument is using the measuring instrumentss that can not record in real time and export measurement result；Controller module passes through
Motor control module controls adjustable speed motor rotation；By taking Fig. 1 as an example, turntable is rotated clockwise；Infrared laser methane to be detected
Measurement of concetration instrument issues measurement laser；At initial stage, measurement laser is got on turntable and is stopped by turntable, to be detected at this time infrared
The data of laser methane measurement of concetration instrument measurement should be fixed value (such as 0)；Then, when turntable continues to rotate clockwise, this
When, when arc groove branches to the position of measurement laser at once, trigger module is detected at this time and detects trigger signal, and by the letter
Number upload controller module, at the time of controller module then records the trigger signal, at the same control high-speed camera start-up operation
(high-speed camera can also be always on the control of uncontrolled device module)；Then, continuing to rotate with turntable, measurement
Laser passes through arc groove and is emitted on normal concentration methane gas chamber, and infrared laser methane measurement of concetration instrument to be detected will at this time
It has reading (the indoor methane concentration of normal concentration methane gas measured), while the reading should be from consolidating before
Definite value (such as 0) gradually jumps to final measured value (such as X)；During numerical value jump, high-speed camera whole process note
Record the process of lower numerical value jump；After the completion of the process record of numerical value jump, the video pictures that testing staff transfers record are gone forward side by side
Row slow play, to be jumped according to measurement data in (0 moment) at the time of the trigger signal of controller module record and video pictures
The process of change manually calculates the dynamic response time of infrared laser methane measurement of concetration instrument to be detected.
Be illustrated in figure 2 the method flow diagram of the method for the present invention: this infrared laser methane provided by the invention is dense
The method for spending the dynamic response time detection device of measuring instrumentss, includes the following steps:
S1. controller module issues control instruction, controls adjustable speed motor work in setting by motor control module
Revolving speed, while infrared laser methane measurement of concetration instrument to be detected issues measurement infrared laser；
S2. measurement is incident upon on turntable with infrared laser and is stopped by turntable；
S3. when turntable, which is rotated, is projected onto the transmittance section on turntable at once to measurement infrared laser, trigger mode is detected
Block triggers and issues trigger signal to controller module；
S4. controller module receives trigger signal and records at the time of receive trigger signal；Turntable continues to turn at this time
Dynamic, measurement penetrates the transmittance section on turntable with infrared laser and projects on normal concentration methane gas chamber, and to normal concentration first
The indoor gas concentration of alkane gas measures；
S5. measurement data is uploaded to controller module by infrared laser methane measurement of concetration instrument to be detected in real time；
S6. controller module exports the measurement data of upload by data outputting module；
S7. testing staff surveys infrared laser methane concentration to be measured according to the detection data that data outputting module exports
The dynamic response time of amount instrument is detected；
S8. turntable continue to rotate until measurement infrared laser stopped again by turntable, infrared laser methane measurement of concetration
The one-time detection process of the dynamic response time of instrument terminates；
S9. repeat step S2~S7 carry out repeated detection, and to the testing result of repeated detection carry out comprehensive consideration (such as
It is averaged), to complete the detection of the dynamic response time of final infrared laser methane measurement of concetration instrument.
Claims (10)
1. a kind of dynamic response time detection device of infrared laser methane concentration measuring apparatus, it is characterised in that including power supply mould
Block, normal concentration methane gas chamber, adjustable speed motor, motor control module, turntable, controller module and data outputting module；Electricity
Machine control module and data outputting module are connect with controller module；Motor control module connects adjustable speed motor and control can
The revolving speed of speed regulating motor；Transmittance section is provided on turntable, turntable is mounted on the output shaft of adjustable speed motor；To be measured is infrared
The measuring signal output end of laser methane measurement of concetration instrument connects controller module；Power module is powered to detection device；Control
Device module processed exports control instruction, and the revolving speed of adjustable speed motor is controlled by motor control module；Infrared laser to be measured
The measurement laser of methane concentration measuring instrumentss output is irradiated to normal concentration methane gas chamber after passing through the transmittance section on turntable；It is to be measured
The infrared laser methane measurement of concetration instrument of amount measures the indoor gas concentration of normal concentration methane gas and will measure number
According to upload controller module；Controller module exports received measurement data by data outputting module；Testing staff
When according to the detection data of data outputting module output to the dynamic response of infrared laser methane measurement of concetration instrument to be measured
Between detected.
2. the dynamic response time detection device of infrared laser methane concentration measuring apparatus according to claim 1, feature
It is to further include detection trigger module；Detection trigger module is arranged at the transmittance section on turntable, and connect with controller module；
Detection trigger module is used to detect the initial time of dynamic response time, and the information of initial time is uploaded to controller mould
Block.
3. the dynamic response time detection device of infrared laser methane concentration measuring apparatus according to claim 2, feature
It is that the detection trigger module includes that Hall sensor probe and Hall sensor incude patch；Hall sensor induction patch
Piece is arranged at the transmittance section on turntable, and the data output end of Hall sensor probe connects controller module；Hall sensor
It pops one's head in for detecting the position of Hall sensor induction patch, thus at the time of detecting transmittance section by Hall sensor probe,
And the time information is uploaded into controller module.
4. the dynamic response time detection device of infrared laser methane concentration measuring apparatus according to claim 2, feature
It is that the detection trigger module includes touching switch and collision block；Collision block is arranged at the transmittance section on turntable, touching switch
Data output end connect controller module；Touching switch is used to detect the position of collision block, to detect transmittance section by touching
At the time of switch, and the time information is uploaded into controller module.
5. the dynamic response time detection device of infrared laser methane concentration measuring apparatus described according to claim 1~one of 4,
It is characterized in that the transmittance section includes loophole and light tank.
6. the dynamic response time detection device of infrared laser methane concentration measuring apparatus described according to claim 1~one of 4,
It is characterized in that the adjustable speed motor is variable-frequency motor, and the motor control module is frequency converter.
7. the dynamic response time detection device of infrared laser methane concentration measuring apparatus described according to claim 1~one of 4,
It is characterized in that the data outputting module is host computer；Host computer is used to receive the measurement data of controller module upload,
And measurement data is detected, to complete the dynamic response time detection of infrared laser methane measurement of concetration instrument.
8. the dynamic response time detection device of infrared laser methane concentration measuring apparatus described according to claim 1~one of 4,
It is characterized in that the data outputting module is high-speed camera；The camera alignment of high-speed camera is to be detected infrared sharp
The data display unit of light methane concentration measuring instrumentss；High-speed camera is surveyed for shooting infrared laser methane concentration to be detected
Measure the data situation of the data display unit of instrument；Testing staff shoots to be detected infrared sharp according to high-speed camera
The data situation of the data display unit of light methane concentration measuring instrumentss moves infrared laser methane measurement of concetration instrument
The state response time is detected.
9. the dynamic response time detection device of infrared laser methane concentration measuring apparatus described in a kind of one of claim 1~8
Method, include the following steps:
S1. controller module issues control instruction, controls adjustable speed motor by motor control module and works in the revolving speed of setting,
Infrared laser methane measurement of concetration instrument to be detected issues measurement infrared laser simultaneously；
S2. measurement is incident upon on turntable with infrared laser and is stopped by turntable；
S3. when turntable, which is rotated, is projected onto the transmittance section on turntable at once to measurement infrared laser, detection trigger module touching
It sends out and issues trigger signal to controller module；
S4. controller module receives trigger signal and records at the time of receive trigger signal；Turntable continues to rotate at this time, surveys
Amount penetrates the transmittance section on turntable with infrared laser and projects on normal concentration methane gas chamber, and to normal concentration methane gas chamber
Interior gas concentration measures；
S5. measurement data is uploaded to controller module by infrared laser methane measurement of concetration instrument to be detected in real time；
S6. controller module exports the measurement data of upload by data outputting module；
S7. the detection data that testing staff exports according to data outputting module is to infrared laser methane concentration measuring apparatus to be measured
The dynamic response time of table is detected；
S8. turntable continue to rotate until measurement infrared laser stopped again by turntable, infrared laser methane measurement of concetration instrument
The one-time detection process of dynamic response time terminate.
10. the method for the dynamic response time detection device of infrared laser methane concentration measuring apparatus according to claim 9,
Characterized by further comprising following steps:
S9. it repeats step S2~S7 and carries out repeated detection, and comprehensive consideration is carried out to the testing result of repeated detection, to complete
The detection of the dynamic response time of final infrared laser methane measurement of concetration instrument.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111829968A (en) * | 2020-07-09 | 2020-10-27 | 长沙矿山研究院有限责任公司 | Multi-stage transient dynamic performance measuring device of laser gas concentration measuring sensor |
| CN113267533A (en) * | 2021-05-18 | 2021-08-17 | 浙江大学 | Device and method for dynamically monitoring VOCs (volatile organic chemicals) on line by self-calibration gas sensor array |
| CN113720845A (en) * | 2021-08-24 | 2021-11-30 | 长沙矿山研究院有限责任公司 | Performance test system and method for open type laser/infrared gas monitoring instrument |
| CN114355433A (en) * | 2022-03-18 | 2022-04-15 | 中创智科(绵阳)科技有限公司 | Method for measuring response time of air tritium concentration rapid detector |
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