CN207007697U - A kind of rectilinear motor-vehicle tail-gas remote sensing monitoring device - Google Patents
A kind of rectilinear motor-vehicle tail-gas remote sensing monitoring device Download PDFInfo
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- CN207007697U CN207007697U CN201720810835.2U CN201720810835U CN207007697U CN 207007697 U CN207007697 U CN 207007697U CN 201720810835 U CN201720810835 U CN 201720810835U CN 207007697 U CN207007697 U CN 207007697U
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- gas
- remote sensing
- vehicle tail
- light source
- monitoring device
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Abstract
The utility model belongs to road Vehicle Emissions Remote Sensing System field,A kind of more particularly to rectilinear motor-vehicle tail-gas remote sensing monitoring device,The transmitting light path device includes light source,The receiving light path device includes gas detector and spectrometer,The detection light beam that the light source is sent includes infrared beam and ultraviolet light beam,Infrared beam directly reflects the bandpass filter in gas detector through the retroreflecting device on single carriageway surfacing,Ultraviolet light beam is directly reflected in spectrometer through the retroreflecting device on single carriageway surfacing,The utility model solves the tail gas monitoring that remote-measuring equipment present in prior art can not tackle multilane simultaneously,The problem of more particularly conventional flat device faces two chassis and the above when detecting motor-vehicle tail-gas process can not detect finite data simultaneously,With anti-interference,Accuracy of detection is high,Save space,The good advantageous effects of integrality.
Description
Technical field
The utility model belongs to road Vehicle Emissions Remote Sensing System field, more particularly to a kind of rectilinear motor-vehicle tail-gas remote sensing
Monitoring device.
Background technology
At present, traditional telemetering motor vehicle tail instrument, which is all horizontally mounted, uses, that is, detects light beam and be parallel to road
Surface, when the tail gas cutting detection light beam of vehicular emission, the spectral composition change of detection light beam can be caused, so as to obtain
Pollutant component and concentration in motor vehicle discharged tail gas.But the remote sensing instrument being horizontally mounted is only applicable to bicycle road, works as application
When multilane, more than two vehicle side by side by when cannot be distinguished by the emissions status of each car.It can only be gone as invalid data
Fall, need road occupying due to being horizontally mounted the equipment used, traffic can be influenceed, it is impossible to an equipment is installed on every track,
Therefore existing remote-measuring equipment can not tackle the tail gas monitoring of multilane simultaneously, therefore, how to design one kind and be not take up road surface
In the case of not influenceing traffic, it conveniently can accurately monitor tail gas unit and become for current urgent problem to be solved, it is existing
There is the tail gas monitoring that existing remote-measuring equipment can not tackle multilane simultaneously in technology, more particularly conventional flat device is being examined
The problem of facing two chassis and the above when surveying motor-vehicle tail-gas process can not detect finite data simultaneously.
The content of the invention
The utility model provides a kind of rectilinear motor-vehicle tail-gas remote sensing monitoring device, to solve to carry in above-mentioned background technology
The tail gas monitoring of multilane, more particularly conventional flat device can not be tackled simultaneously by having gone out remote-measuring equipment existing for prior art
The problem of facing two chassis and the above when detecting motor-vehicle tail-gas process can not detect finite data simultaneously.
The technical problem that the utility model solves is realized using following technical scheme：A kind of rectilinear motor-vehicle tail-gas
Integration transmitting light path device and receiving light path device on support above remote sensing monitoring device, including single track, it is described
Transmitting light path device includes light source, and the receiving light path device includes gas detector and spectrometer, the inspection that the light source is sent
The infrared beam of light-metering beam directly reflects the bandpass filter in gas detector through the retroreflecting device on single carriageway surfacing
Piece, its ultraviolet light beam are directly reflected in spectrometer through the retroreflecting device on single carriageway surfacing.
Further, the detection light beam that the light source is sent possesses double light paths.
Further, double light paths detection light beam that the light source is sent is transmitting light path with reflecting light path while passing through same inspection
Survey region.
Further, double light paths detection light beam that the light source is sent forms characteristic absorption band in space after reflection.
Further, the support above the single track is in inverted "L" shaped.
Further, vertical rod one end of the inverted "L" shaped support extends perpendicularly out the ground of single track side, its other end water
Flushconnection cross bar, the transmitting light path device and receiving light path device of connecting integration on the cross bar.
Further, the exhaust detecting device only takes up the subregion in single track.
Further, the retroreflecting apparatus surface is coated with broad-band reflective material.
Further, the configuration of the bandpass filter corresponds to gas with various detection light source.
Further, radar velocity measurement device and license plate recognition device are installed on the support.
Advantageous effects：
1st, this patent includes light source using the transmitting light path device, the receiving light path device include gas detector with
Spectrometer, the infrared beam for the detection light beam that the light source is sent directly reflect through the retroreflecting device on single carriageway surfacing
In the bandpass filter of gas detector, its ultraviolet light beam is directly reflected in light through the retroreflecting device on single carriageway surfacing
Spectrometer；
The system is returned comprising inverted "L" shaped support light source, gas detector, optical emission system, optical receiver system and light path
Return reflection unit, wherein inverted "L" shaped support is installed on the side of road, it is above-mentioned to be mounted on inverted " L " in addition to light path return device
On the cross bar of type support, light path retroreflecting device is laid on the underface of inverted "L" shaped support, and the level for reflecting return device is put
Put and upper surface and road level, the retroreflecting device in the detection light beam pathway face that light source is sent through light path emission system enter
Into above-mentioned detector；
The system operation principle is light source, gas detector and spectrometer and inverted L shape support, wherein, cross bar is located at road
It is installed in above road and higher than the height of vehicle, the light source and gas detector on inverted L shape rack cross-bar, the gas is visited
Survey device and be built-in with gas concentration and gas composition detection unit, spectral component can be detected and analyzed, in the inverted " L "
Road surface below type support is provided with the retroreflecting device, and the retroreflecting device is arranged on vehicle region to be measured,
The monitoring light beam that light source is sent directive road surface above road, described in the retroreflecting device through road surface is reflexed to above road
In detector, wherein, the light source and detector are integrated in the same part, and specific gas molecule can only absorb specific frequency
Light radiation, when measuring beam is by specific compound in light path, the radiant light that only those frequencies are consistent is absorbed, from
And characteristic absorption band is produced, a light absorbs spectrogram is obtained, can be used for measuring the concentration value of known compound, the present apparatus is from upper
Side sends a branch of light source contained required for detection motor-vehicle tail-gas（It is ultraviolet and infrared）, pass through ground return device to detection
Device receives, and detector is respectively equipped with the bandpass filter corresponding to gas with various detection light source, by detecting without motor-driven vehicle
The light intensity of aspiration and the light intensity after motor-vehicle tail-gas attenuation by absorption, can calculate corresponding gas concentration, while
When infrared beam enters bandpass filter, ultraviolet light beam enters in spectrometer；
The workflow of the system is that equipment is started working, the background gas in gas detector continuous monitoring roadway environments
Concentration, when the numerical value that gas detector receives is less than a certain limit value,（Illustrate there is car to drive into, sheltered from what light source was sent
Light）Stop detection, current gas concentration is calculated as background concn according to the spectral signal analysis having been detected by, when gas is visited
When the numerical value that survey device receives is more than a certain limit value, recover detection motor vehicle after because tail gas causes the dense of the gas of change
Degree, it is exactly current maneuver with the background concn that motor vehicle is subtracted before motor vehicle entrance detection by the gas concentration detected later
The concentration of car discharge；
Because it is realized to each accurate detection by the motor vehicle of test point in single track, more cars are avoided
Interference problem when passing through simultaneously.
2nd, the detection light beam that this patent is sent using the light source possesses double light paths, double light paths detection that the light source is sent
Light beam passes through same detection zone journey simultaneously for transmitting light path and reflection light path, double light paths detection light beam warp that the light source is sent
Space forms characteristic absorption band after reflection, due to being nearby the overlay region of transmitting and reflected light path above its reflection unit,
This area's detection gas is more fully reacted because light path possesses double light paths with motor vehicle gas, adds detection
Precision.
3rd, this patent is in inverted "L" shaped, vertical rod one end of the inverted "L" shaped support using the support above the single track
The ground of single track side is extended perpendicularly out, its other end horizontal connection cross bar, the transmitting light of connecting integration on the cross bar
Road device and receiving light path device, due to remote-measuring equipment is installed on above a certain track, when automobile passes through under inverted "L" shaped support
Fang Shi, by light source, retroreflecting device, detector system cooperating, not only realize the tail of whole piece track cross section
Gas detects, and is not take up road surface, does not influence traffic.
4th, this patent only takes up the subregion in single track using the exhaust detecting device, due to being sent out above road
Go out to detect light beam to ground, without placing instrument on the whole piece track on ground, neither influence traffic, decrease each measurement
It is inconvenient caused by installation and debugging.
5th, this patent is coated with broad-band reflective material using the retroreflecting apparatus surface, if anti-due to not returning
Injection device, face detection light beam reflection with only leaning on is very faint, it is impossible to meets the needs of detection, the reflection unit can be right
All wave band high efficiency reflection needed for gas detection, this is efficiently supported using new while survey the ability of multiple gases, is had
Body scheme is that broad-band reflective material is coated with reflection return device, and adjustment light path transmitting receives system and reflection return device
Relation, can efficiently reflex to detector after reflecting return device in the light beam that certain angle scope inner light source is sent
And in spectrometer, both solve the problems, such as to detect light intensity also solve the problems, such as to measure multiple gases simultaneously.
6th, existing detector has spectrometer to can detect multiple gases index in each tail gas again in this patent reception device,
The emission behaviour of gasoline car and diesel vehicle pollutant can be measured simultaneously.
7th, this patent includes gas detector and spectrometer using the receiving light path device, and the bandpass filter is matched somebody with somebody
Put corresponding to gas with various detection light source, because gas detector is respectively equipped with the band logical filter corresponding to gas with various detection light source
Mating plate, by detecting the light intensity without motor-driven vehicle aspiration and the light intensity after motor-vehicle tail-gas attenuation by absorption, Ke Yiji
Corresponding gas concentration is calculated, spectrometer is used for the light radiation that specific gas molecule can only absorb specific frequency, when measurement light
When beam is by specific compound in light path, the radiant light that only those frequencies are consistent is absorbed, so as to produce characteristic absorption band,
A light absorbs spectrogram is obtained, can be used for measuring the concentration value of known compound, therefore, the system not only realizes qualitative survey
Amount, and realize quantitative measurment.
8th, this patent on the support using radar velocity measurement device and license plate recognition device is provided with, due to inverted "L" shaped
Radar velocity measurement device and license plate recognition device can be installed on support, a motor vehicle is formed with rectilinear Tail gas measuring device
System for remote exhaust emission measurement.
Brief description of the drawings
Fig. 1 is a kind of structural representation of rectilinear motor-vehicle tail-gas remote sensing monitoring device of the utility model.
Embodiment
The utility model is described further below in conjunction with accompanying drawing：
In figure：1- supports, 2- transmitting light path devices, 3- receiving light path devices, 4- light sources, 5- gas detectors, 6- spectrum
Instrument, 7- retroreflecting devices, the infrared light paths of 8-, the ultraviolet light paths of 9-, 10- characteristic absorption bands, 11- vertical rods, 12- cross bars, 13- band logicals
Optical filter（It is not shown）.
Embodiment：
The present embodiment：As shown in figure 1, above a kind of rectilinear motor-vehicle tail-gas remote sensing monitoring device, including single track
Support 1 on integration transmitting light path device 2 and receiving light path device 3, the transmitting light path device 2 includes light source 4, described
Receiving light path device 3 includes gas detector 5 and spectrometer 6, and the infrared beam for the detection light beam that the light source 4 is sent is through single
Retroreflecting device 7 on carriageway surfacing directly reflects the bandpass filter 13 in gas detector 5, and its ultraviolet light beam is through single
Retroreflecting device 7 on carriageway surfacing is directly reflected in spectrometer 6.
The detection light beam that the light source 4 is sent possesses double light paths.
Double light paths detection light beam that the light source 4 is sent is transmitting light path with reflecting light path while passing through same detection zone
Domain.
Double light paths detection light beam that the light source 4 is sent forms characteristic absorption band 10 in space after reflection.
Support 1 above the single track is in inverted "L" shaped.
One end of vertical rod 11 of the inverted "L" shaped support 1 extends perpendicularly out the ground of single track side, and its other end is horizontal even
Connect cross bar 12, the transmitting light path device 2 and receiving light path device 3 of connecting integration on the cross bar 12.
The exhaust detecting device only takes up the subregion in single track.
The surface of retroreflecting device 7 is coated with broad-band reflective material.
The configuration of the bandpass filter 13 corresponds to gas with various detection light source 4.
Radar velocity measurement device is installed on the support 1, license plate recognition device is installed at 20 meters of support front.
Operation principle：
This patent includes light source by the transmitting light path device, and the receiving light path device includes gas detector and light
Spectrometer, the infrared beam of the detection light beam that the light source is sent through the retroreflecting device on single carriageway surfacing directly reflect in
The bandpass filter of gas detector, its ultraviolet light beam are directly reflected in spectrum through the retroreflecting device on single carriageway surfacing
Instrument, the system include inverted "L" shaped support, and light source, gas detector, optical emission system, optical receiver system and light path return instead
Injection device, wherein inverted "L" shaped support is installed on the side of road, it is above-mentioned that inverted "L" shaped branch is mounted in addition to light path return device
On the cross bar of frame, light path retroreflecting device is laid on the underface of inverted "L" shaped support, reflect the horizontal positioned of return device and
Upper surface and road level, the retroreflecting device in the detection light beam pathway face that light source is sent through light path emission system enter
State in detector；
The system operation principle is light source, gas detector and spectrometer and inverted "L" shaped support, wherein, cross bar is located at
It is installed in above road and higher than the height of vehicle, the light source and gas detector on inverted "L" shaped rack cross-bar, the gas
Bulk detector is built-in with gas concentration and gas composition detection unit, spectral component can be detected and analyzed, described
Road surface below inverted "L" shaped support is provided with the retroreflecting device, and it is to be measured that the retroreflecting device is arranged on vehicle
Region, the monitoring light beam that light source is sent directive road surface above road, the retroreflecting device through road surface are reflexed to above road
The detector in, wherein, the light source and detector are integrated in the same part, and specific gas molecule can only absorb spy
Determine the light radiation of frequency, when measuring beam is by specific compound in light path, radiant light quilt that only those frequencies are consistent
Absorb, so as to produce characteristic absorption band, obtain a light absorbs spectrogram, can be used for measuring the concentration value of known compound, this
Device from top send it is a branch of contain detection motor-vehicle tail-gas required for light source（It is ultraviolet and infrared）, filled by ground return
Put and reflex to detector reception, detector is respectively equipped with the bandpass filter corresponding to gas with various detection light source, passes through detection
Light intensity without motor-driven vehicle aspiration and the light intensity after motor-vehicle tail-gas attenuation by absorption, corresponding gas can be calculated
Concentration, while when segment beam enters bandpass filter, another part light beam enters in spectrometer, the workflow of the system
It is that equipment is started working, the background gas concentration in gas detector continuous monitoring roadway environments, when gas detector receives
Numerical value when being less than a certain limit value, i.e., explanation has car to drive into, and has sheltered from the light that light source is sent, and now stops detection, according to
The spectral signal analysis arrived after testing calculates current gas concentration as background concn, when the numerical value that gas detector receives is big
When a certain limit value, recover detection motor vehicle after because tail gas causes the concentration of the gas of change, with motor vehicle by with
The gas concentration detected afterwards subtracts the concentration that the background concn that motor vehicle enters before detection is exactly current automobile discharge, this reality
With it is new solve prior art exist existing remote-measuring equipment can not tackle simultaneously multilane tail gas monitor, more particularly
Conventional flat device faces two chassis and the above when detecting motor-vehicle tail-gas, and process can not detect asking for finite data simultaneously
Topic, has that anti-interference, accuracy of detection is high, saves the good advantageous effects of space, integrality.
Using the technical solution of the utility model, or those skilled in the art is in the inspiration of technical solutions of the utility model
Under, similar technical scheme is designed, and reach above-mentioned technique effect, it is to fall into the scope of protection of the utility model.
Claims (10)
1. a kind of rectilinear motor-vehicle tail-gas remote sensing monitoring device, it is characterised in that including on the support above single track
Integration transmitting light path device and receiving light path device, the transmitting light path device include light source, the receiving light path device bag
Gas detector and spectrometer are included, the infrared beam for the detection light beam that the light source is sent is anti-through the recurrence on single carriageway surfacing
Injection device directly reflects the bandpass filter in gas detector, and its ultraviolet light beam fills through the retroreflecting on single carriageway surfacing
Put and directly reflect in spectrometer.
A kind of 2. rectilinear motor-vehicle tail-gas remote sensing monitoring device according to claim 1, it is characterised in that the light source
The detection light beam sent possesses double light paths.
A kind of 3. rectilinear motor-vehicle tail-gas remote sensing monitoring device according to claim 2, it is characterised in that the light source
The double light paths detection light beam sent is transmitting light path with reflecting light path while passing through same detection zone.
A kind of 4. rectilinear motor-vehicle tail-gas remote sensing monitoring device according to claim 2, it is characterised in that the light source
The double light paths detection light beam sent forms characteristic absorption band in space after reflection.
5. a kind of rectilinear motor-vehicle tail-gas remote sensing monitoring device according to claim 1, it is characterised in that described single
Support above track is in inverted "L" shaped.
A kind of 6. rectilinear motor-vehicle tail-gas remote sensing monitoring device according to claim 5, it is characterised in that it is described fall
Vertical rod one end of " L " type support extends perpendicularly out the ground of single track side, its other end horizontal connection cross bar, on the cross bar
The transmitting light path device and receiving light path device of connecting integration.
A kind of 7. rectilinear motor-vehicle tail-gas remote sensing monitoring device according to claim 1, it is characterised in that the tail gas
Detection device only takes up the subregion in single track.
A kind of 8. rectilinear motor-vehicle tail-gas remote sensing monitoring device according to claim 1, it is characterised in that the recurrence
Reflection unit surface is coated with broad-band reflective material.
A kind of 9. rectilinear motor-vehicle tail-gas remote sensing monitoring device according to claim 1, it is characterised in that the band logical
The configuration of optical filter corresponds to gas with various detection light source.
A kind of 10. rectilinear motor-vehicle tail-gas remote sensing monitoring device according to claim 1, it is characterised in that the branch
Radar velocity measurement device is installed on frame, license plate recognition device is installed at 20 meters of support front.
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| CN201720810835.2U CN207007697U (en) | 2017-07-06 | 2017-07-06 | A kind of rectilinear motor-vehicle tail-gas remote sensing monitoring device |
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| CN201720810835.2U CN207007697U (en) | 2017-07-06 | 2017-07-06 | A kind of rectilinear motor-vehicle tail-gas remote sensing monitoring device |
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| CN207007697U true CN207007697U (en) | 2018-02-13 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398396A (en) * | 2018-02-28 | 2018-08-14 | 南京国电环保科技有限公司 | A kind of double light path high temperature lighting apparatus components of ultraviolet reflectance formula |
| CN108760665A (en) * | 2018-06-04 | 2018-11-06 | 天津市圣威科技发展有限公司 | A kind of rectilinear motor-vehicle tail-gas remote sensing detection system |
| CN109030394A (en) * | 2018-06-27 | 2018-12-18 | 广东泓胜科技股份有限公司 | A kind of rectilinear motor-vehicle tail-gas telemetry unit not influencing speed |
| CN109211795A (en) * | 2018-10-11 | 2019-01-15 | 北方工业大学 | Vertical multilane motor vehicle exhaust remote sensing detection method and system |
| CN109709043A (en) * | 2019-03-18 | 2019-05-03 | 瑞德(新乡)路业有限公司 | A kind of portable automobile exhaust remote sensing monitoring device |
| CN114252306A (en) * | 2021-12-24 | 2022-03-29 | 安徽庆宇光电科技有限公司 | Motor vehicle tail gas collecting device for remote sensing detection and detection method thereof |
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2017
- 2017-07-06 CN CN201720810835.2U patent/CN207007697U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398396A (en) * | 2018-02-28 | 2018-08-14 | 南京国电环保科技有限公司 | A kind of double light path high temperature lighting apparatus components of ultraviolet reflectance formula |
| CN108398396B (en) * | 2018-02-28 | 2021-04-09 | 南京国电环保科技有限公司 | Ultraviolet reflection type double-optical-path high-temperature optical-mechanical assembly |
| CN108760665A (en) * | 2018-06-04 | 2018-11-06 | 天津市圣威科技发展有限公司 | A kind of rectilinear motor-vehicle tail-gas remote sensing detection system |
| CN109030394A (en) * | 2018-06-27 | 2018-12-18 | 广东泓胜科技股份有限公司 | A kind of rectilinear motor-vehicle tail-gas telemetry unit not influencing speed |
| CN109211795A (en) * | 2018-10-11 | 2019-01-15 | 北方工业大学 | Vertical multilane motor vehicle exhaust remote sensing detection method and system |
| CN109211795B (en) * | 2018-10-11 | 2023-09-29 | 北方工业大学 | Vertical multi-lane motor vehicle tail gas remote sensing detection method and system |
| CN109709043A (en) * | 2019-03-18 | 2019-05-03 | 瑞德(新乡)路业有限公司 | A kind of portable automobile exhaust remote sensing monitoring device |
| CN114252306A (en) * | 2021-12-24 | 2022-03-29 | 安徽庆宇光电科技有限公司 | Motor vehicle tail gas collecting device for remote sensing detection and detection method thereof |
| CN114252306B (en) * | 2021-12-24 | 2024-04-26 | 安徽庆宇光电科技有限公司 | Motor vehicle tail gas collecting device for remote sensing detection and detection method thereof |
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