CN109030394A - A kind of rectilinear motor-vehicle tail-gas telemetry unit not influencing speed - Google Patents
A kind of rectilinear motor-vehicle tail-gas telemetry unit not influencing speed Download PDFInfo
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- CN109030394A CN109030394A CN201810681846.4A CN201810681846A CN109030394A CN 109030394 A CN109030394 A CN 109030394A CN 201810681846 A CN201810681846 A CN 201810681846A CN 109030394 A CN109030394 A CN 109030394A
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- telemetry unit
- vehicle tail
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- rectilinear motor
- speed
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- 238000001514 detection method Methods 0.000 claims abstract description 31
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 239000000758 substrate Substances 0.000 claims description 13
- 238000013016 damping Methods 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 239000004615 ingredient Substances 0.000 description 5
- 206010052128 Glare Diseases 0.000 description 4
- 230000004313 glare Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
Classifications
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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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
-
- 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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention provides a kind of rectilinear motor-vehicle tail-gas telemetry unit for not influencing speed, can effectively overcome the tail gas that can not successfully manage multilane present in prior art monitoring, vehicle speed to be measured are too fast to lead to the defect that testing result is not accurate enough, structure of the detecting device is not sufficiently stable.It includes: support rod and cross bar connected to it that one kind of the invention, which does not influence the technical solution of the rectilinear motor-vehicle tail-gas telemetry unit of speed,；The cross bar is equipped with spaced light source emitter and detection device；The cross bar bottom is equipped with two mounting rods, and the detection device is located at two mounting rods in the view field of horizontal plane in the projection of horizontal plane；It is successively arranged filtering apparatus, light-dividing device and bandpass filter from the bottom to top between two mounting rods.
Description
Technical field
The present invention relates to telemetry units, and in particular to one kind does not influence the rectilinear motor-vehicle tail-gas remote sensing inspection of speed
Survey device.
Background technique
Currently, traditional telemetering motor vehicle tail instrument is all horizontally mounted and uses, i.e. detection light beam is parallel to road
Surface, when the tail gas of vehicular emission cutting detection light beam, the spectral composition variation for detecting light beam can be caused, to obtain
The ingredient and concentration of pollutant in motor vehicle discharged tail gas.
But the remote sensing instrument being horizontally mounted is only applicable to bicycle road, when being applied to multilane, two or more vehicles are side by side
By the way that the discharge state of each vehicle just cannot be distinguished, can only remove as invalid data.Due to being horizontally mounted the equipment needs used
Road occupying will affect traffic, it is impossible to an equipment be installed on every lane, therefore existing remote-measuring equipment can not cope with simultaneously
The tail gas of multilane monitors.One kind how to be designed in the case where being not take up road surface does not influence traffic, accurate measurements can be facilitated
The device of tail gas becomes current urgent problem to be solved.
Summary of the invention
The present invention provides a kind of rectilinear motor-vehicle tail-gas telemetry unit for not influencing speed, can effectively overcome existing
There is the tail gas that can not successfully manage multilane present in technology monitors, vehicle speed to be measured is too fast to cause testing result not quasi- enough
Really, the defect that structure of the detecting device is not sufficiently stable.
The technical solution for the rectilinear motor-vehicle tail-gas telemetry unit that one kind of the invention does not influence speed includes: support
Bar and cross bar connected to it；The cross bar is equipped with spaced light source emitter and detection device；The cross bar bottom
Equipped with two mounting rods, the detection device is located at two mounting rods in the view field of horizontal plane in the projection of horizontal plane；
It is successively arranged filtering apparatus, light-dividing device and bandpass filter from the bottom to top between two mounting rods.
Preferably, the light source emitter includes infrared transmitter and ultra violet light emitter, and the detection device includes
Gas concentration detection apparatus and spectrometer.
Preferably, it is additionally provided with bandpass filter on the mounting rod, top and the gas positioned at the light-dividing device
The lower section of bulk concentration detection device, and it is non-coincidence with the spectrometer.
Preferably, it is equipped with substrate below the cross bar, cover board is equipped with above the substrate, is fixed in the substrate reflective
Prism.
Preferably, air layer is equipped between the reflective prism and the cover board.
Preferably, the support rod is equipped with the damping block that is oppositely arranged, between two damping blocks by elastic plate and
Spring lever is connected.
Preferably, the elastic plate is located at the upper and lower ends portion of the vibration damper plate and is laterally arranged, and the spring lever is located at
Non- end and can along the vibration damper plate center line it is symmetrical above and below and be laterally arranged.
Preferably, the front and rear sides face of each spring lever is opposite is equipped with auxiliary spring bar, with two damping blocks it
Between be equipped with spring.
Preferably, two sides are surrounded by damper cylinder up and down for the auxiliary spring bar and the spring, and the damper cylinder is by between successively
It is constituted every the mounting plate and cushion blocking of setting.
Preferably, traffic lights label is fixed on the elastic plate.
Above-mentioned rectilinear motor-vehicle tail-gas telemetry unit is first with infrared transmitter and ultra violet light emitter point
Not to the reflective prism transmitting infrared light and ultraviolet light (i.e. measuring beam) between cover board and substrate.In view of specific gas point
Son can only absorb the light radiation of specific frequency, when measuring beam is by specific compound in optical path, radiant light that frequency is consistent
It is absorbed.Then under the action of reflective prism, the measuring beam for being absorbed specific frequency is initially entered in filtering apparatus, is filtered
Device can filter off the veiling glares such as car light, prevent veiling glare from interfering, and measuring beam is then respectively fed to gas by light-dividing device again
In bulk concentration detection device and spectrometer.Further, since gas concentration detection apparatus is arranged right below corresponding to different gas
The bandpass filter of body passes through light intensity of the detection without motor-driven vehicle aspiration and the light after motor-vehicle tail-gas attenuation by absorption
By force, it can calculate the concentration of corresponding gas.Spectrometer can be according to the spectrum for the measuring beam for being absorbed specific frequency point
The ingredient contained in tail gas is precipitated, completes the measurement of ingredient and each constituent concentration in tail gas.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structural schematic diagram for the rectilinear motor-vehicle tail-gas telemetry unit that the present invention does not influence speed；
Fig. 2 is the right view part-structure signal for the rectilinear motor-vehicle tail-gas telemetry unit that the present invention does not influence speed
Figure；
It illustrates:
1, support rod；2, cross bar；3, infrared transmitter；4, ultra violet light emitter；5, gas concentration detection apparatus；6, light
Spectrometer；7, mounting rod；8, filtering apparatus；9, light-dividing device；10, bandpass filter；11, substrate；12, cover board；13, reflection edge
Mirror；14, damping block；15, traffic lights label；16, elastic plate；17, spring lever；18, auxiliary spring bar；19, spring；20, damper cylinder；
21, cushion blocking；22, mounting plate.
Specific embodiment
The present invention provides a kind of rectilinear motor-vehicle tail-gas telemetry unit for not influencing speed, can effectively overcome existing
There is the tail gas that can not successfully manage multilane present in technology monitors, vehicle speed to be measured is too fast to cause testing result not quasi- enough
Really, the defect that structure of the detecting device is not sufficiently stable
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, a kind of rectilinear motor-vehicle tail-gas telemetry unit not influencing speed, including support
Bar 1 and cross bar 2, support rod 1 are vertically arranged, and one end of cross bar 2 and support rod 1 is connected and fixed and is horizontally disposed with, i.e., support rod 1 with
Cross bar 2 is vertically arranged.Due to using Vertical Structure, cross bar 2 can be across multiple lanes, therefore detection is arranged above each lane
Device just can successfully manage the tail gas monitoring of multilane.
Cross bar 2 is equipped with spaced light source emitter and detection device.Light source emitter includes infrared transmitter 3
With ultra violet light emitter 4,4 horizontal alignment of infrared transmitter 3 and ultra violet light emitter.Detection device includes gas concentration detection
Device 5 and spectrometer 6,6 horizontal alignment of gas concentration detection apparatus 5 and spectrometer.It is horizontal in addition to light source emitter and detection device
Radar velocity measurement device, license plate recognition device can be also equipped on bar 2, four may make up a motor-vehicle tail-gas remote sensing detection system.
2 bottom of cross bar is equipped with two mounting rods 7, gas concentration detection apparatus 5 and spectrometer 6 and is located at two in the projection of horizontal plane
Mounting rod 7 is in the view field of horizontal plane.It is understood that two mounting rods 7 are located at gas concentration detection apparatus 5 and spectrum
The two sides of the outermost end of instrument 6, and it is fixed on 2 bottom of cross bar.
Along direction from the bottom to top, filtering apparatus 8 and light-dividing device 9 are successively fixed between two mounting rods 7.In addition, peace
Bandpass filter 10 is additionally provided on dress bar 7, bandpass filter 10 is located at the top of light-dividing device 9, while it is dense to be located at gas
Spend the lower section of detection device 5 and non-coincidence with spectrometer 6.
The lower section of cross bar 2 is equipped with substrate 11, and substrate 11 has the cavity of an opening, is fixed with reflective prism in the cavity
13, opening is covered with cover board 12.As shown in Figure 1, being equipped with cover board 12 above substrate 11, reflective prism is fixed in substrate 11
13, air layer is equipped between reflective prism 13 and cover board 12, which is conducive to light retroreflecting into light-dividing device 9.
Cover board 12 is made of sapphire, and reflective prism 13 is that rescinded angle declines prism, and the refractive index of reflective prism 13 can
Meet light retroreflecting into light-dividing device 9.
Support rod 1 is equipped with the damping block 14 being oppositely arranged, and passes through elastic plate 16 and spring lever 17 between two damping blocks 14
It is connected.As shown, the quantity of elastic plate 16 and spring lever 17 is two, elastic plate 16 is located at the upper and lower of two vibration damper plates 14
Both ends are simultaneously laterally arranged, spring lever 17 be located at non-end and can along vibration damper plate 14 center line it is symmetrical above and below and be laterally arranged.
Traffic lights label 15 is fixed on elastic plate 16.The setting of traffic lights label 15 can be such that driver fills after testing
Active reduction of speed when setting prevents from causing testing result inaccurate because vehicle speed to be measured is too fast.
By taking one of spring lever 17 as an example, 17 front and rear sides face of spring lever is opposite to be equipped with auxiliary spring bar 18, auxiliary spring bar
18 can be equipped with spring 19 between auxiliary spring bar 18 and two damping blocks 14 on the central axes between two vibration damper plates 14.Secondary bullet
The two sides up and down of spring base 18 and spring 19 are surrounded by damper cylinder 20, and damper cylinder 20 is by successively spaced mounting plate 22 and vibration damping
Pad 21 is constituted.
Spring lever 17 cooperates spring 19, mounting plate 22, cushion blocking 21 that can effectively slow down shock of the vehicle to support rod 1
Power prevents from causing the device on cross bar 2 to fall damage because support rod 1 is by Vehicular impact, effectively improves integrally-built steady
It is qualitative.
Above-mentioned rectilinear motor-vehicle tail-gas telemetry unit is first with infrared transmitter 3 and ultra violet light emitter 4
Emit infrared light and ultraviolet light (i.e. measuring beam) to the reflective prism 13 between cover board 12 and substrate 11 respectively.In view of specific
Gas molecule can only absorb the light radiation of specific frequency, when measuring beam is by specific compound in optical path, frequency is consistent
Radiant light be absorbed.
Then under the action of reflective prism 13, the measuring beam for being absorbed specific frequency is initially entered in filtering apparatus 8,
Filtering apparatus 8 can filter off the veiling glares such as car light, prevent veiling glare from interfering, and then again be distinguished measuring beam by light-dividing device 9
It is sent into gas concentration detection apparatus 5 and spectrometer 6.
Further, since gas concentration detection apparatus 5 is arranged right below the bandpass filter 10 corresponding to gas with various,
Pass through light intensity of the detection without motor-driven vehicle aspiration and the light intensity after motor-vehicle tail-gas attenuation by absorption, it can calculate
The concentration of corresponding gas.Spectrometer 6 can go out in tail gas to contain according to the spectrum analysis for the measuring beam for being absorbed specific frequency
Ingredient, complete tail gas in ingredient and each constituent concentration measurement.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. one kind does not influence the rectilinear motor-vehicle tail-gas telemetry unit of speed, which is characterized in that including support rod and with
Its cross bar connected；The cross bar is equipped with spaced light source emitter and detection device；The cross bar bottom is equipped with two
Mounting rod, the detection device are located at two mounting rods in the view field of horizontal plane in the projection of horizontal plane；Described in two
Filtering apparatus, light-dividing device and bandpass filter are successively arranged between mounting rod from the bottom to top.
2. the rectilinear motor-vehicle tail-gas telemetry unit according to claim 1 for not influencing speed, which is characterized in that
The light source emitter includes infrared transmitter and ultra violet light emitter, and the detection device includes gas concentration detection apparatus
And spectrometer.
3. the rectilinear motor-vehicle tail-gas telemetry unit according to claim 2 for not influencing speed, which is characterized in that
Be additionally provided with bandpass filter on the mounting rod, be located at the light-dividing device top and the gas concentration detection apparatus
Lower section, and it is non-coincidence with the spectrometer.
4. the rectilinear motor-vehicle tail-gas telemetry unit according to claim 1 for not influencing speed, which is characterized in that
It is equipped with substrate below the cross bar, cover board is equipped with above the substrate, is fixed with reflective prism in the substrate.
5. the rectilinear motor-vehicle tail-gas telemetry unit according to claim 4 for not influencing speed, which is characterized in that
Air layer is equipped between the reflective prism and the cover board.
6. the rectilinear motor-vehicle tail-gas telemetry unit according to claim 1 for not influencing speed, which is characterized in that
The support rod is equipped with the damping block being oppositely arranged, and is connected by elastic plate with spring lever between two damping blocks.
7. the rectilinear motor-vehicle tail-gas telemetry unit according to claim 6 for not influencing speed, which is characterized in that
The elastic plate is located at the upper and lower ends portion of the vibration damper plate and is laterally arranged, and the spring lever is located at non-end and can be along described
The center line of vibration damper plate is symmetrical above and below and is laterally arranged.
8. the rectilinear motor-vehicle tail-gas telemetry unit according to claim 7 for not influencing speed, which is characterized in that
The front and rear sides face of each spring lever is opposite to be equipped with auxiliary spring bar, is equipped with spring between two damping blocks.
9. the rectilinear motor-vehicle tail-gas telemetry unit according to claim 8 for not influencing speed, which is characterized in that
Two sides are surrounded by damper cylinder up and down for the auxiliary spring bar and the spring, the damper cylinder by successively spaced mounting plate and
Cushion blocking is constituted.
10. the rectilinear motor-vehicle tail-gas telemetry unit according to claim 7 for not influencing speed, feature exist
In being fixed with traffic lights label on the elastic plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810681846.4A CN109030394A (en) | 2018-06-27 | 2018-06-27 | A kind of rectilinear motor-vehicle tail-gas telemetry unit not influencing speed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810681846.4A CN109030394A (en) | 2018-06-27 | 2018-06-27 | A kind of rectilinear motor-vehicle tail-gas telemetry unit not influencing speed |
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| CN201810681846.4A Pending CN109030394A (en) | 2018-06-27 | 2018-06-27 | A kind of rectilinear motor-vehicle tail-gas telemetry unit not influencing speed |
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Cited By (2)
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| CN109709283A (en) * | 2019-03-18 | 2019-05-03 | 瑞德(新乡)路业有限公司 | A kind of remote vehicle emissions monitoring device being easily installed |
| CN112525857A (en) * | 2020-11-26 | 2021-03-19 | 合肥铜冠信息科技有限责任公司 | Multi-verification motor vehicle exhaust remote measuring device and verification method |
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