CN209400401U - The dynamic response time detection device of infrared laser methane concentration measuring apparatus - Google Patents
The dynamic response time detection device of infrared laser methane concentration measuring apparatus Download PDFInfo
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- CN209400401U CN209400401U CN201821904643.9U CN201821904643U CN209400401U CN 209400401 U CN209400401 U CN 209400401U CN 201821904643 U CN201821904643 U CN 201821904643U CN 209400401 U CN209400401 U CN 209400401U
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- infrared laser
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- dynamic response
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 170
- 238000001514 detection method Methods 0.000 title claims abstract description 52
- 238000005259 measurement Methods 0.000 claims abstract description 76
- 238000002834 transmittance Methods 0.000 claims abstract description 28
- 238000012360 testing method Methods 0.000 claims abstract description 8
- 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
- 238000000034 method Methods 0.000 description 8
- 150000001335 aliphatic alkanes Chemical class 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 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
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Abstract
The utility model 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 technical solution of the utility model detection accuracy is high, low in cost and high reliablity.
Description
Technical field
The utility model is specifically related to a kind of dynamic response time detection device of infrared laser methane concentration measuring apparatus.
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.
Utility model content
Infrared laser first high, low in cost and high reliablity that the purpose of this utility model is to provide a kind of detection accuracy
The dynamic response time detection device of alkane concentration measuring apparatus.
The dynamic response time detection device of this infrared laser methane concentration measuring apparatus provided by the utility model, including
Power module, normal concentration methane gas chamber, adjustable speed motor, motor control module, turntable, controller module and data export mould
Block；Motor control module and data outputting module are connect with controller module；Motor control module connects adjustable speed motor simultaneously
Control the revolving speed of adjustable speed motor；Transmittance section is provided on turntable, turntable is mounted on the output shaft of adjustable speed motor；It is to be measured
Infrared laser methane measurement of concetration instrument measuring signal output end connect controller module；Power module is supplied to detection device
Electricity；Controller module exports control instruction, and the revolving speed of adjustable speed motor is controlled by motor control module；To be measured is infrared
The measurement laser of laser methane measurement of concetration instrument output is irradiated to normal concentration methane gas chamber after passing through the transmittance section on turntable；
Infrared laser methane measurement of concetration instrument to be measured measures the indoor gas concentration of normal concentration methane gas and will survey
It measures data and uploads controller module；Controller module exports received measurement data by data outputting module；Detection
The detection data that personnel export according to data outputting module rings the dynamic of infrared laser methane measurement of concetration instrument to be measured
It is detected between seasonable.
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 measurement of concetration instrument.
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 dynamic response time detection device of this infrared laser methane concentration measuring apparatus provided by the utility model, passes through
Turntable and its transmittance section to the blocking for measuring laser and penetrate, and controller module is to infrared laser methane measurement of concetration to be detected
Output and detection of the acquisition and data outputting module of the measurement data of instrument to measurement data, it is dense to realize infrared laser methane
Spend the quick and precisely detection and measurement of the dynamic response time of measuring instrumentss；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,
The technical solution of the utility model detection accuracy is high, low in cost and high reliablity.
Detailed description of the invention
Fig. 1 is the functional block diagram of utility model device.
Specific embodiment
It is as shown in Figure 1 the functional block diagram of utility model device: provided by the utility model this infrared sharp
The dynamic response time detection device of light methane concentration measuring instrumentss, including power module, normal concentration methane gas chamber, adjustable speed
Motor, motor control module, turntable (in figure shown in the ellipse of blank), controller module, data outputting module and detection touching
It sends out module (including the black filled circle shown on figure turntable)；Motor control module, detection trigger module and data output
Module is connect with controller module；Motor control module connection adjustable speed motor and the revolving speed for controlling adjustable speed motor；Turntable
On be provided with transmittance section (using the arc groove opened on turntable in figure), turntable is mounted on the output shaft of adjustable speed motor
On；The measuring signal output end of infrared laser methane measurement of concetration instrument to be measured connects controller module；Power module is given
Detection device power supply；Controller module exports control instruction, and the revolving speed of adjustable speed motor is controlled by motor control module；To
It is dense that the measurement laser of the infrared laser methane measurement of concetration instrument output of measurement is irradiated to standard behind the transmittance section on turntable
Spend methane gas chamber；Infrared laser methane measurement of concetration instrument to be measured carries out the indoor gas concentration of normal concentration methane gas
It measures and measurement data is uploaded into controller module；Controller module carries out received measurement data by data outputting module
Output；The detection data that testing staff exports according to data outputting module is to infrared laser methane measurement of concetration instrument to be measured
Dynamic response time detected；Detection trigger module is arranged at the transmittance section on turntable, when for detecting dynamic response
Between initial time, 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 utility model 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.
Claims (8)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821904643.9U CN209400401U (en) | 2018-11-19 | 2018-11-19 | The dynamic response time detection device of infrared laser methane concentration measuring apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821904643.9U CN209400401U (en) | 2018-11-19 | 2018-11-19 | The dynamic response time detection device of infrared laser methane concentration measuring apparatus |
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| CN209400401U true CN209400401U (en) | 2019-09-17 |
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| CN201821904643.9U Withdrawn - After Issue CN209400401U (en) | 2018-11-19 | 2018-11-19 | The dynamic response time detection device of infrared laser methane concentration measuring apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406407A (en) * | 2018-11-19 | 2019-03-01 | 长沙矿山研究院有限责任公司 | The dynamic response time detection device and method of infrared laser methane concentration measuring apparatus |
| CN111272801A (en) * | 2020-04-01 | 2020-06-12 | 西安近代化学研究所 | Methane leakage infrared detection system and detection method thereof |
| CN109406407B (en) * | 2018-11-19 | 2024-05-14 | 长沙矿山研究院有限责任公司 | Dynamic response time detection device and method for infrared laser methane concentration measuring instrument |
-
2018
- 2018-11-19 CN CN201821904643.9U patent/CN209400401U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406407A (en) * | 2018-11-19 | 2019-03-01 | 长沙矿山研究院有限责任公司 | The dynamic response time detection device and method of infrared laser methane concentration measuring apparatus |
| CN109406407B (en) * | 2018-11-19 | 2024-05-14 | 长沙矿山研究院有限责任公司 | Dynamic response time detection device and method for infrared laser methane concentration measuring instrument |
| CN111272801A (en) * | 2020-04-01 | 2020-06-12 | 西安近代化学研究所 | Methane leakage infrared detection system and detection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190917 Effective date of abandoning: 20240514 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190917 Effective date of abandoning: 20240514 |