CN105388544B - A kind of retroreflecting plate for being used to measure motor-vehicle tail-gas - Google Patents
A kind of retroreflecting plate for being used to measure motor-vehicle tail-gas Download PDFInfo
- Publication number
- CN105388544B CN105388544B CN201510909350.4A CN201510909350A CN105388544B CN 105388544 B CN105388544 B CN 105388544B CN 201510909350 A CN201510909350 A CN 201510909350A CN 105388544 B CN105388544 B CN 105388544B
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- China
- Prior art keywords
- retroreflecting
- substrate
- protection muscle
- plate
- echo area
- Prior art date
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- 239000000758 substrate Substances 0.000 claims abstract description 25
- 210000003205 muscle Anatomy 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000011324 bead Substances 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- OYLGJCQECKOTOL-UHFFFAOYSA-L barium fluoride Chemical compound [F-].[F-].[Ba+2] OYLGJCQECKOTOL-UHFFFAOYSA-L 0.000 claims description 3
- 229910001632 barium fluoride Inorganic materials 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- XROWMBWRMNHXMF-UHFFFAOYSA-J titanium tetrafluoride Chemical compound [F-].[F-].[F-].[F-].[Ti+4] XROWMBWRMNHXMF-UHFFFAOYSA-J 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/12—Reflex reflectors
- G02B5/126—Reflex reflectors including curved refracting surface
-
- 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
- G01N21/55—Specular reflectivity
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/12—Reflex reflectors
- G02B5/126—Reflex reflectors including curved refracting surface
- G02B5/128—Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a kind of retroreflecting plate for being used to measure motor-vehicle tail-gas; it is laid on road surface; wherein; protection muscle of the reflecting plate mainly by substrate and above substrate forms; the protection muscle isolates the substrate surface to form multistage echo area, infrared retroreflecting material in being covered with the echo area.The present invention solves the problems, such as high, costly to the requirement on machining accuracy of instrument in traditional retroreflecting metering system, and can be applied to middle infrared band.
Description
Technical field
The invention belongs to telemetering motor vehicle tail field, more particularly to a kind of mid-infrared light for being used to measure motor-vehicle tail-gas
Retroreflecting plate.
Background technology
With the increase of vehicle guaranteeding organic quantity, and the policy issue of motor vehicle inspection in 6 years one so that using remote sensing technique pair
The motor vehicle of upper road traveling carries out detection in real time and seems particularly necessary.And newly promulgate for 2015《Air method》Clear stipulaties exist
In the case of not influenceing motor-driven vehicle going, real-time telemetry can be carried out to motor vehicle.Traditional telemetering motor vehicle tail instrument one
It is secondary to carry out horizontal detection to car, if there are two cars simultaneously or overlapping when passing through distance apparatus, can not judge which is
The discharge of one car, is considered as invalid data.And traditional telemetering motor vehicle tail instrument is sent out using minute surface radiation pattern
Measurement light is penetrated, when fixing remote-measuring equipment using gantry frame type, the mode of ground mounting plane speculum is substantially inadvisable.
At present, the measurement for the main pollutant consistence in motor-vehicle tail-gas employs the principle of retroreflecting, tradition
Retroreflecting have two kinds of modes：The first is optical angle reflection device, has a good retroreflecting performance, but machining accuracy
It is required that it is high, it is costly, and also angle of reflection is essentially 0 degree, and incidence angle also near 0 degree, limits its answering in various fields
With.Second is glass microballoon retroreflecting material, is mostly used for pavement strip band, and the life-span typically only has 3 months or so, and
Wavelength is only confined within the scope of visible ray.Such as the patent offer that patent publication No. is the A of CN 104461169 is a kind of red
Outside line returns, but its reflectance coating wavelength can only also arrive 940nm.
Therefore, how to design that a kind of measurement accuracy is high, cost is low and can be used in returning for middle infrared band detection over long distances
Reflecting plate is returned to become for urgent problem to be solved.
The content of the invention
The purpose of the present invention is to be directed to deficiency of the prior art, there is provided a kind of infrared in motor-vehicle tail-gas for measuring
Light retroreflecting plate, to solve high to the requirement on machining accuracy of instrument, costly, inspection in traditional retroreflecting metering system
Survey the problem of wave-length coverage is more limited to.
Realize the technical scheme is that, it is a kind of to be used to measure the retroreflecting plate of motor-vehicle tail-gas, be laid in road
Top, wherein, protection muscle of the reflecting plate mainly by substrate and above substrate forms, described to protect muscle by the substrate
Surface isolates to form multistage echo area, and mid-infrared light retroreflecting material is covered with the echo area.
Further, the protection muscle is elongated and is higher than the substrate surface.
Further, the protection muscle thickness is not less than 5mm, and the substrate thickness is not less than 2mm.
Preferably, the chamfered setting in substrate both sides where the two long ends and the long end of the protection muscle.
Further, the substrate and protection muscle are integrally formed, and the substrate and protection muscle are made of metal material.
Alternatively, the retroreflecting material is to be returned using made of multiple small beades opaque to visible ray
Return reflectance coating, the retroreflecting film is pasted onto on the echo area.
Alternatively, the retroreflecting material is the multiple tiny glass beads opaque to visible ray for being coated with reflectance coating,
And coated on the echo area.
Further, the bead is made up of barium fluoride and titanium fluoride.
Further, the glass steel ball is creamy white, and its diameter is 50 to 200 microns.
A kind of retroreflecting plate for being used to measure motor-vehicle tail-gas disclosed in this invention, the purposes of tradition can be not only done,
It can be additionally used in the retroreflecting of infrared band in 3-6 microns, effective incidence angle, without adjustment in use, solves more than 45 degree
Some infrared bands in do the problem of detecting over long distances.
Brief description of the drawings
Fig. 1 is the structural representation for being used to measure the retroreflecting plate of motor-vehicle tail-gas in a preferred embodiment of the present invention
Figure.
Embodiment
Below in conjunction with accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, but not as
Limitation of the invention.
Shown in Figure 1, the embodiments of the invention provide a kind of retroreflecting plate for being used to measure motor-vehicle tail-gas, tiling
Above road, mainly infrared 3-6 micron wavebands measure the main pollutant consistence in motor-vehicle tail-gas in use for it, its
In, the reflecting plate is mainly made up of substrate 1 and the protection muscle 3 above substrate 1, described to protect muscle 3 by the table of substrate 1
Face isolates to form multistage echo area 2, and the retroreflecting material of mid-infrared light is covered with the echo area 2.The ripple of middle infrared band
Length is 3-5 microns, and it is thermal infrared remote sensing to belong to.
Specifically, the protection muscle 3 is elongated and is higher than the surface of substrate 1 so that protection muscle 3 and echo area 2
Place plane has certain difference in height, and so, when the reflecting plate excessively, reflecting material will not be ground pressure wheel
Pressure, to extend the service life of reflecting material；The substrate 1 and protection muscle 3 are integrally formed and are made of metal material and preferably
It is made of stainless steel, is certainly not limited to the stainless steel, the requirement to the retroreflecting sheet material matter is back
Return reflecting plate to have enough intensity, the long-term of wheel can be stood and rolled.Wherein, it is spaced between two adjacent protection muscle 3
It is equal so that the area of echo area 2 of formation is essentially identical.
The principle of the present invention is, when light source is irradiated to the reflective tape on road surface above portal frame, due to retroreflecting
Effect, reflection light can be returned to substantially around light source, to realize the measurement to whole width of roadway.
By the reflection board structure of the present invention, reflected light can substantially return along the direction backtracking of incident light
Angle of reflection is less than 2 °, and energy reflection wavelength is the mid-infrared light of 3-6 microns, and retro-reflecting coefficient is not less than 40%,
As one preferred embodiment of the invention, the substrate 1 where the two long ends and the long end of the protection muscle 3
The chamfered setting in both sides, or it is excessive in smooth fillet, so, can smoothly it get on when vehicle presses the upper reflecting plate,
Also can smoothly go down when going out the reflecting plate so that vehicle by when without obvious sense of jolting.
Further, in the present embodiment, the thickness of substrate 1 of the reflecting plate is 2-3mm, and the protection height 6-8mm of muscle 3 is
Good, on the one hand such thickness can ensure the intensity of reflecting plate in itself, on the other hand also ensure that reflecting plate is unlikely to height
It is too high so that vehicle is jolted sense by producing.
In the selection to retroreflecting material, the present invention has two ways, mode one, that is, uses by special reflecting material
Manufactured retroreflecting film, the retroreflecting film by sticking double faced adhesive tape on the echo area 2, the wherein special reflecting material
Expect that for multiple small beades, this material is milky, opaque to visible ray.Its advantage is operation, changes reflectance coating letter
It is single, quickly, but need that reflecting material first is made into retroreflecting film, be adapted to batch production.
Mode two, echo area 2 coat one layer of glue, glue thickness be bead diameter 40%-45%, too thin glass
Pearl easily comes off；Too thick glue can wrap bead, cause retro-reflectivity to reduce.It is again that the bead with reflecting layer is straight
Switch through and move on on the domain of echo area 2.This mode is adapted to laboratory experiment to use compared with the complex operation of mode one.
Wherein, in aforesaid way one and mode two, the glass steel ball is made up of barium fluoride and titanium fluoride, the glass
Bead diameter size is 50 to 200 microns.
Retroreflecting plate of the present invention is simple to manufacture, and cost is low, and retroreflecting angle is small, and reflection efficiency is high, can
For the retroreflecting of infrared band in 3-6 microns, which solve in ground mounting plane speculum to measure vehicle exhaust
Problem, there is good application prospect.
Although above in association with preferred embodiment, invention has been described, it should be appreciated by those skilled in the art,
Method and system of the present invention is not limited to the embodiment described in embodiment, is wanted without departing substantially from by appended right
Ask book limit spirit and scope of the invention in the case of, can to the present invention various modification can be adapted, increase and replace.
Claims (5)
1. a kind of retroreflecting plate for being used to measure motor-vehicle tail-gas, is laid on road surface, it is characterised in that the reflecting plate master
Protection muscle that will be by substrate and above substrate forms, and the protection muscle isolates the substrate surface to form multistage reflection
Area, mid-infrared light retroreflecting material is covered with the echo area；
The mid-infrared light retroreflecting material is using recurrence made of multiple small beades opaque to visible ray
Reflectance coating, the retroreflecting film are pasted onto on the echo area；
Or the mid-infrared light retroreflecting material is the multiple tiny glass beads opaque to visible ray for being coated with reflectance coating,
And coated on the echo area；
The bead is made up of barium fluoride and titanium fluoride；
The diameter of the bead is 50 to 200 microns.
2. retroreflecting plate as claimed in claim 1, it is characterised in that the protection muscle is elongated and is higher than the substrate
Surface.
3. retroreflecting plate as claimed in claim 1, it is characterised in that the protection muscle thickness is not less than 5mm, the substrate
Thickness is not less than 2mm.
4. retroreflecting plate as claimed in claim 2, it is characterised in that where the two long ends and the long end of the protection muscle
The chamfered setting in substrate both sides.
5. retroreflecting plate as claimed in claim 1, it is characterised in that the substrate and protection muscle are integrally formed, the base
Bottom and protection muscle are made of metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510909350.4A CN105388544B (en) | 2015-12-08 | 2015-12-08 | A kind of retroreflecting plate for being used to measure motor-vehicle tail-gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510909350.4A CN105388544B (en) | 2015-12-08 | 2015-12-08 | A kind of retroreflecting plate for being used to measure motor-vehicle tail-gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105388544A CN105388544A (en) | 2016-03-09 |
| CN105388544B true CN105388544B (en) | 2018-02-09 |
Family
ID=55421025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510909350.4A Active CN105388544B (en) | 2015-12-08 | 2015-12-08 | A kind of retroreflecting plate for being used to measure motor-vehicle tail-gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105388544B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108037099B (en) * | 2017-12-04 | 2020-10-30 | 佛山市南海区环境保护监测站（佛山市南海区机动车排气污染管理所） | Method for measuring blackness of motor vehicle exhaust by using photoelectric smoke detector |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3758193A (en) * | 1971-07-02 | 1973-09-11 | Minnesota Mining & Mfg | Infrared-transmissive, visible-light-absorptive retro-reflectors |
| US4924095A (en) * | 1987-06-02 | 1990-05-08 | West Lodge Research | Remote gas analyzer for motor vehicle exhaust emissions surveillance |
| US5814367A (en) * | 1993-08-13 | 1998-09-29 | General Atomics | Broadband infrared and signature control materials and methods of producing the same |
| GB2373045B (en) * | 2001-05-01 | 2003-01-29 | Golden River Traffic Ltd | Measurement of vehicle emissions |
| US6841223B2 (en) * | 2001-08-14 | 2005-01-11 | 3M Innovative Properties Company | Composite pavement markings |
| CN203479672U (en) * | 2013-09-17 | 2014-03-12 | 北京华清深空环保技术有限公司 | Split type automobile exhaust remote sensing testing device |
| CN205246916U (en) * | 2015-12-08 | 2016-05-18 | 安徽宝龙环保科技有限公司 | A retro -reflection board for measuring motor vehicle exhaust |
-
2015
- 2015-12-08 CN CN201510909350.4A patent/CN105388544B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105388544A (en) | 2016-03-09 |
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