CN208872660U - Tail gas measuring device - Google Patents
Tail gas measuring device Download PDFInfo
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- CN208872660U CN208872660U CN201820259082.5U CN201820259082U CN208872660U CN 208872660 U CN208872660 U CN 208872660U CN 201820259082 U CN201820259082 U CN 201820259082U CN 208872660 U CN208872660 U CN 208872660U
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- reflecting plate
- corner cube
- light source
- tail gas
- measuring device
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Abstract
Present disclose provides a kind of Tail gas measuring devices, including light source emitter, corner cube mirror, matrix reflecting plate, light source receiver and control platform；It is orderly layouted on matrix reflecting plate and multiple corner cube mirrors is set, it opens light source emitter transmitting light beam and light source receiver is reflexed to by corner cube mirror, the beam data rolled into a ball by motor-vehicle tail-gas cigarette collected to light source receiver carries out data analysis and calculating.The multiple reflections of the disclosure having the beneficial effect that using the more optical-path light-paths of various dimensions in the horizontal direction and the vertical direction, so that measuring beam spatially forms the light field square matrix that a section is rectangle, motor vehicle can run over the light beam area of coverage at a relatively high speed in this optics covering surface, significantly increase since light beam has on spatial altitude and width, so that continuous capturing ability improves, detection accuracy is high.
Description
Technical field
This disclosure relates to the monitoring technical field of the spectral absorption of the environmental protection industry (epi) of Air Pollution prevention and control and molecule, atom,
More particularly to a kind of Tail gas measuring device.
Background technique
With industrial development, atmospheric pollution level is increasingly deepened, and quality of air environment increasingly declines, to human living and life
Dis environment constitutes grave danger, and wherein the discharge of motor-vehicle tail-gas has become very important ask as major pollutants source
Topic.The pollution of part high emission vehicle is the most serious among these.
In motor-vehicle tail-gas detection, the capture of exhaust pollutant absorption spectrum and the accuracy measurement of inverting concentration are these
The maximum technological difficulties in field.Existing measuring device is mostly that monochromatic light journey or the detection of double light paths, detection maintain two-dimentional level, real
The capture rate of border cigarette group is low, and the requirement to wind direction is very stringent, and the scope of application of speed is small, can only meet 20~30km/h with
Under vehicle speed measurement, measurement pollutant concentration is uncertain big, the problems such as to extraneous disturbing factor feedback sensitive, all becomes limitation
The technical issues of existing measuring device precision.
Therefore, it is that can guarantee in the complex environment of measurement, utmostly captures the data of motor vehicle discharged tail gas,
So that data are truer, it is those skilled in the art's technical problem urgently to be resolved.
Utility model content
(1) technical problems to be solved
Present disclose provides a kind of Tail gas measuring devices, at least partly to solve technical problem set forth above.
(2) technical solution
According to one aspect of the disclosure, a kind of Tail gas measuring device is provided, comprising: matrix reflecting plate, matrix reflection
Plate is pairs of and is oppositely arranged in parallel；Quantity of layouting on each matrix reflecting plate is q；Arrangement form on each matrix reflecting plate
For w*r, wherein w is number of columns, and r is line number amount；Corner cube mirror, layout upper setting of the corner cube mirror in matrix reflecting plate；
Corner cube mirror quantity is q ', and the laying form of corner cube mirror is m*n, and wherein m is number of columns, and n is line number amount；Q >=q ', w
>=m, r >=n；Point (the w of a matrix reflecting plate is arranged in light source emitter1, r1) on, light source emitter transmitting light beam is by setting
The corner cube mirror set on two matrix reflecting plates reflexes to (w1, rn), the corner cube mirror by rotating the site setting changes
The exit direction of reflected light is to (w2, rn), so that light beam is sequentially passed through w1To wm；Light source receiver, setting are reflected in another matrix
Point (the w of platem, rn) on, light source passes through, and light source receiver receives the light beam reflected by corner cube mirror；And control is flat
Platform.
In some embodiments of the present disclosure, the value range of quantity of layouting on matrix Reflector Panel q is 9 < q < 100；
The value range of number of columns is 3 < w < 10, and the value range of line number amount is 3 < r < 10.
In some embodiments of the present disclosure, the rotation angle of corner cube mirror is -90 °~90 °.
In some embodiments of the present disclosure, the area of matrix reflecting plate is s, wherein 400cm2< s < 800cm2。
In some embodiments of the present disclosure, height of the matrix reflecting plate away from ground is h, wherein h > 20cm.
In some embodiments of the present disclosure, the spacing of each pair of matrix reflecting plate is 1, wherein 1 > 30cm.
In some embodiments of the present disclosure, the transmitting light beam of light source emitter is infrared light/visible/ultraviolet.
In some embodiments of the present disclosure, coating film treatment is carried out to corner cube mirror.
In some embodiments of the present disclosure, the data acquisition intervals of detection device are 2ms, and speed is passed through at 100km/h
It crosses, by the section of the 1 > 30cm of spacing of matrix reflecting plate, it is k that effective spectral absorption figure number is captured in detection range,
Wherein k > 2.
(3) beneficial effect
It can be seen from the above technical proposal that disclosure Tail gas measuring device at least has the advantages that one of them
Or in which a part:
(1) the microscope group structure being made of multiple corner cube mirrors, multipath reflection increase to existing perpendicular internal reflection
There is the composite construction of horizontal plane internal reflection, ensure that and can get higher exhaust smoke group capture rate under higher speed.
(2) matrix reflecting plate is oppositely arranged in parallel in pairs, in the case where having crosswind and wind speed is little, can guarantee tail gas
The capture rate of cigarette group, device cope with environmental disturbances factor.
(3) the setting height of matrix reflecting plate, the data such as distance between area and two plates adapt to the state of motor vehicle manufacture
Family's standard, the reflection covering surface that matrix reflecting plate is constituted can effectively capture exhaust smoke group, avoid generating because of different automobile types
Leakage problem, causes measurement error.
(4) coating film treatment is carried out to corner cube mirror, increases reflecting mirror to the reflectivity of specific wavelength, to realize multiple
Remaining light intensity after reflection is met the requirements, and extends the service life of device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that embodiment of the present disclosure Tail gas measuring device detects vehicle exhaust.
Fig. 2 is the amplification light path schematic diagram that light beam passes through corner cube mirror in embodiment of the present disclosure Fig. 1.
[embodiment of the present disclosure main element symbol description in attached drawing]
1- light source emitter 2- light beam
3- corner cube mirror 4- matrix reflecting plate
5- is detected vehicle 6- light source receiver
Specific embodiment
Present disclose provides a kind of Tail gas measuring devices, including light source emitter, corner cube mirror, matrix reflecting plate, light
Source receiver and control platform；It is orderly layouted on matrix reflecting plate and multiple corner cube mirrors is set, open light source hair
Emitter emits light beam and reflexes to light source receiver by corner cube mirror, collected to light source receiver to pass through motor-vehicle tail-gas
The beam data of cigarette group carries out data analysis and calculating.Using the more optical-path light-paths of various dimensions, in the horizontal direction and the vertical direction
Multiple reflections make measuring beam spatially formed a section be rectangle light field square matrix, the machine in this optics covering surface
Motor-car can run over the light beam area of coverage at a relatively high speed, significantly increase since light beam has on spatial altitude and width
Add, so that continuous capturing ability improves, detection accuracy is high.
For the purposes, technical schemes and advantages of the disclosure are more clearly understood, below in conjunction with specific embodiment, and reference
The disclosure is further described in attached drawing.
Disclosure some embodiments will be done referring to appended attached drawing in rear and more comprehensively describe to property, some of but not complete
The embodiment in portion will be shown.In fact, the various embodiments of the disclosure can be realized in many different forms, and should not be construed
To be limited to this several illustrated embodiment；Relatively, these embodiments are provided so that the disclosure meets applicable legal requirement.
In an exemplary embodiment of the disclosure, a kind of Tail gas measuring device is provided.Fig. 1 is the embodiment of the present disclosure
The structural schematic diagram of Tail gas measuring device detection vehicle exhaust.As shown in Figure 1, the disclosure includes light source emitter 1, right angle reflection
Mirror 3, matrix reflecting plate 4, light source receiver 6 and control platform；Matrix reflecting plate 4 is pairs of and is oppositely arranged in parallel；Each matrix
Quantity of layouting on reflecting plate 4 is q；Arrangement form on each matrix reflecting plate 4 is w*r, and wherein w is number of columns, and r is row
Quantity.Layout upper setting of the corner cube mirror 3 in matrix reflecting plate 4；3 quantity of corner cube mirror is q ', the cloth of corner cube mirror 3
If form is m*n, wherein m is number of columns, and n is line number amount；Q >=q ', w >=m, r >=n.Light source emitter 1 is arranged in a matrix
Point (the w of reflecting plate 41, r1) on, light source emitter 1 emits light beam and passes through the corner cube mirror being arranged on two matrix reflecting plates 4
3 reflex to (w1, rn), the corner cube mirror 3 by rotating the site setting changes the exit direction of reflected light to (w2, rn),
Light beam is set to sequentially pass through 1 column, 2 column ... m column.Point (the w of another matrix reflecting plate 4 is arranged in light source receiver 6m, rn) on, light source
The light beam reflected by corner cube mirror 3 is received by light source receiver 6.Control platform is collected to light source receiver 6
The beam data for having passed through motor-vehicle tail-gas cigarette group carries out data analysis and calculating.
Setting about 4 area of matrix Reflector Panel, it is contemplated that the problems such as detection effect and economic benefit, it is proposed that setting exists
400cm2< s < 800cm2In range, it is based on same reason, setting quantity of the corner cube mirror 3 on matrix reflecting plate 4 is also built
In the range of 9 100 < < p, the value range of opposite number of columns is 3 < w < 10, and the value range of line number amount is for view control
3 < r < 10.Here corner cube mirror 3 matrix emissive plate 4 arrange quantity should comprehensively consider corner cube mirror 3 penetrate area and
The problems such as matrix 4 area of reflecting plate.It can be -90 °~90 ° that corner cube mirror 3, which rotates angle, and preferred value is ± 90 °.
It is h that height ground height, which is arranged, in matrix reflecting plate 4, it is proposed that is arranged in the range of h > 20cm, due to according to number
According to statistics, the tail gas discharging pipe height of domestic general car vehicle and small cargo vehicle substantially away from ground 20cm~35cm it
Between, according to this precondition, it is proposed that the not high and position 20cm is set by the height of matrix reflecting plate 4, institute can be covered
There is the cigarette group of motor vehicle exhaust emission.Based on it is also contemplated that, in the range of the spacing suggestion of each pair of matrix reflecting plate 4 is 1 > 30cm.
Superposition processing acquires under the bright time interval of lamp, the absorption intensity of different moments respectively, passes through equal column relationship meter
Calculate gas concentration of emission.To improve effective capture rate of exhaust smoke group, detection accuracy is improved.
Even if arrangement above is mainly to make to be detected motor vehicle at the higher speeds through detection device, detection device is still
It can get higher capture rate, to guarantee detection accuracy.By taking a specific detection data as an example: when between the data acquisition of detection device
It is divided into 2ms, speed is passed through in the case where 100km/h, by the section of the 1 > 30cm of spacing of matrix reflecting plate 4, can detected
It is k that effective spectral absorption figure number is captured in range, wherein k > 2.It can be seen that even if the Tail gas measuring device that the disclosure provides exists
Speed, which passes through detection device in the case where being 100km/h, still can get higher capture rate.
In an exemplary embodiment of the disclosure, a kind of Tail gas measuring method is additionally provided, following step is specifically included
Rapid: step a: taking pictures to detected vehicle by camera, then by velocity-measuring system to the travel speed of detected vehicle
It is detected；Step b: Tail gas measuring device reads the meteorological data that meteorological air station at this time detects；Step c: tail is opened
Gas detection device, from the optics coverage area that detected vehicle drives into the corner cube mirror 3 being arranged on matrix reflecting plate 4,
Start recording saves data, until being detected the optics covering that vehicle is driven out to the corner cube mirror 3 being arranged on matrix reflecting plate 4
Range stops data acquisition；Step d: control platform carries out analytical calculation to the collected data of Tail gas measuring device, obtains each
The concentration of pollutant effulent；And compared with country and professional standard, to judge whether to meet country and professional standard.
As reference by taking a specific detection as an example, a car body grows the normal domestic use car between 4.5m, tailstock tracheae row
Height is put away from ground 30cm.When the car drives into Tail gas measuring device, taken pictures by camera to detected vehicle, then
It is detected by travel speed of the velocity-measuring system to detected vehicle.Tail gas measuring device reads meteorological air station inspection at this time
The parameters such as the meteorological data measured such as temperature, humidity, atmospheric pressure, wind direction, wind speed.Tail gas measuring device is opened, is detected certainly
Vehicle drives into the optics coverage area for the corner cube mirror 3 being arranged on matrix reflecting plate 4 and rises, and start recording saves data, directly
It is driven out to the optics coverage area for the corner cube mirror 3 being arranged on matrix reflecting plate 4 to detected vehicle, stops data acquisition.Control
Platform processed carries out analytical calculation to the collected data of Tail gas measuring device, obtains the concentration of each pollutant effulent；And with country
And professional standard compares, to judge whether to meet country and professional standard.
Technological difficulties of the invention are the arrangement position and placement angle of multiple corner cube mirrors, and these problems need special
It is specifically debugged before industry optics staff factory, only needs simple position to adjust when using at the scene again after fixed.For
Light beam reflection loss problem on the way, can method by selecting high power light source, to improve the luminous power of light source；For right angle
Reflecting mirror 3 carries out coating film treatment, to improve the reflectivity of corner cube mirror group；Increase zero datum debugging；Later period platform data
Superposition and the methods of data processing solved.Wherein zero datum adjustment method is whole by data once every hour
It closes, by camera head monitor, calculates somewhere in no motor vehicle and pass through removable motor-vehicle tail-gas space matrix telemetering monitoring system
The a reference value of average air concentration when system, by doing what decrement was calculated with air concentration values when a motor vehicle passes through.
So far, one embodiment Tail gas measuring devices and methods therefor introduction of the disclosure finishes.
So far, attached drawing is had been combined the embodiment of the present disclosure is described in detail.It should be noted that in attached drawing or saying
In bright book text, the implementation for not being painted or describing is form known to a person of ordinary skill in the art in technical field, and
It is not described in detail.In addition, the above-mentioned definition to each element and method be not limited in mentioning in embodiment it is various specific
Structure, shape or mode, those of ordinary skill in the art simply can be changed or be replaced to it, such as:
Corner cube mirror 3 can be substituted by prism of corner cube or right-angle reflecting prism.
According to above description, those skilled in the art should have clear understanding to disclosure Tail gas measuring device.
In conclusion the disclosure provides a kind of Tail gas measuring device, using the more optical-path light-paths of various dimensions, in the horizontal direction and
Multiple reflections in vertical direction make measuring beam spatially form the light field square matrix that a section is rectangle, in this optics
Motor vehicle can run over the light beam area of coverage at a relatively high speed in covering surface, since light beam has on spatial altitude and width
Significantly increase, so that continuous capturing ability improves, detection accuracy is high.
It should also be noted that, the direction term mentioned in embodiment, for example, "upper", "lower", "front", "rear", " left side ",
" right side " etc. is only the direction with reference to attached drawing, not is used to limit the protection scope of the disclosure.Through attached drawing, identical element by
Same or similar appended drawing reference indicates.When may cause understanding of this disclosure and cause to obscure, conventional structure will be omitted
Or construction.
And the shape and size of each component do not reflect actual size and ratio in figure, and only illustrate the embodiment of the present disclosure
Content.In addition, in the claims, any reference symbol between parentheses should not be configured to the limit to claim
System.
It unless there are known entitled phase otherwise anticipates, the numerical parameter in this specification and appended claims is approximation, energy
Enough bases pass through the resulting required characteristic changing of content of this disclosure.Specifically, all be used in specification and claim
The middle content for indicating composition, the number of reaction condition etc., it is thus understood that repaired by the term of " about " in all situations
Decorations.Under normal circumstances, the meaning expressed refers to include by specific quantity ± 10% variation in some embodiments, some
± 5% variation in embodiment, ± 1% variation in some embodiments, in some embodiments ± 0.5% variation.
Furthermore word "comprising" does not exclude the presence of element or step not listed in the claims.It is located in front of the element
Word "a" or "an" does not exclude the presence of multiple such elements.
The word of ordinal number such as " first ", " second ", " third " etc. used in specification and claim, with modification
Corresponding element, itself is not meant to that the element has any ordinal number, does not also represent the suitable of a certain element and another element
Sequence in sequence or manufacturing method, the use of those ordinal numbers are only used to enable an element and another tool with certain name
Clear differentiation can be made by having the element of identical name.
In addition, unless specifically described or the step of must sequentially occur, there is no restriction in the above institute for the sequence of above-mentioned steps
Column, and can change or rearrange according to required design.And above-described embodiment can be based on the considerations of design and reliability, that
This mix and match is used using or with other embodiments mix and match, i.e., the technical characteristic in different embodiments can be freely combined
Form more embodiments.
Algorithm and display are not inherently related to any particular computer, virtual system, or other device provided herein.
Various general-purpose systems can also be used together with enlightenment based on this.As described above, it constructs required by this kind of system
Structure be obvious.In addition, the disclosure is also not for any particular programming language.It should be understood that can use various
Programming language realizes content of this disclosure described herein, and the description done above to language-specific is to disclose this public affairs
The preferred forms opened.
The disclosure can by means of include several different elements hardware and by means of properly programmed computer come
It realizes.The various component embodiments of the disclosure can be implemented in hardware, or to run on one or more processors
Software module is realized, or is implemented in a combination thereof.It will be understood by those of skill in the art that can be used in practice micro-
Processor or digital signal processor (DSP) are some or complete in the relevant device according to the embodiment of the present disclosure to realize
The some or all functions of portion's component.The disclosure be also implemented as a part for executing method as described herein or
The device or device program (for example, computer program and computer program product) of person's whole.Such realization disclosure
Program can store on a computer-readable medium, or may be in the form of one or more signals.Such signal
It can be downloaded from an internet website to obtain, be perhaps provided on the carrier signal or be provided in any other form.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of each open aspect,
Above in the description of the exemplary embodiment of the disclosure, each feature of the disclosure is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the disclosed method should not be interpreted as reflecting the following intention: i.e. required to protect
The disclosure of shield requires features more more than feature expressly recited in each claim.More precisely, as following
Claims reflect as, open aspect is all features less than single embodiment disclosed above.Therefore,
Thus the claims for following specific embodiment are expressly incorporated in the specific embodiment, wherein each claim itself
All as the separate embodiments of the disclosure.
Particular embodiments described above has carried out further in detail the purpose of the disclosure, technical scheme and beneficial effects
Describe in detail it is bright, it is all it should be understood that be not limited to the disclosure the foregoing is merely the specific embodiment of the disclosure
Within the spirit and principle of the disclosure, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the disclosure
Within the scope of shield.
Claims (9)
1. a kind of Tail gas measuring device characterized by comprising
Matrix reflecting plate, the matrix reflecting plate is pairs of and is oppositely arranged in parallel；Cloth points on each matrix reflecting plate
Amount is q；Arrangement form on each matrix reflecting plate is w*r, and wherein w is number of columns, and r is line number amount；
Corner cube mirror, layout upper setting of the corner cube mirror in the matrix reflecting plate；The corner cube mirror quantity
For q ', the laying form of the corner cube mirror is m*n, and wherein m is number of columns, and n is line number amount；Q >=the q ', w >=m, r >=
n；
Point (the w of a matrix reflecting plate is arranged in light source emitter1, r1) on, the light source emitter transmitting light beam is by setting
The corner cube mirror set on the two matrix reflecting plates reflexes to (w1, rn), by rotating the described straight of the site setting
Corner reflector changes the exit direction of reflected light to (w2, rn), so that the light beam is sequentially passed through w1To wm；
Point (the w of another matrix reflecting plate is arranged in light source receiverm, rn) on, the light source passes through, the light source receiver
Receive the light beam reflected by the corner cube mirror；And
Control platform.
2. Tail gas measuring device according to claim 1, which is characterized in that layout quantity q on the matrix Reflector Panel
Value range be 9 < q < 100；The value range of the number of columns is 3 < w < 10, and the value range of the line number amount is 3
< r < 10.
3. Tail gas measuring device according to claim 1, which is characterized in that the rotation angle of the corner cube mirror be-
90 °~90 °.
4. Tail gas measuring device according to claim 1, which is characterized in that the area of the matrix reflecting plate is s,
In, 400cm2< s < 800cm2。
5. Tail gas measuring device according to claim 1, which is characterized in that the height of the matrix reflecting plate away from ground be
H, wherein h > 20cm.
6. Tail gas measuring device according to claim 1, which is characterized in that the spacing of each pair of matrix reflecting plate is 1,
Wherein 1 > 30cm.
7. Tail gas measuring device according to claim 1, which is characterized in that the transmitting light beam of the light source emitter is red
Outer light/visible/ultraviolet.
8. Tail gas measuring device according to claim 1, which is characterized in that carried out at plated film to the corner cube mirror
Reason.
9. Tail gas measuring device according to claim 1, which is characterized in that the data acquisition intervals of detection device are 2ms,
Speed is passed through at 100km/h, by the section of the 1 > 30cm of spacing of the matrix reflecting plate, is captured in detection range
Effective spectral absorption figure number is k, wherein k > 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820259082.5U CN208872660U (en) | 2018-02-14 | 2018-02-14 | Tail gas measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820259082.5U CN208872660U (en) | 2018-02-14 | 2018-02-14 | Tail gas measuring device |
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| Publication Number | Publication Date |
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| CN208872660U true CN208872660U (en) | 2019-05-17 |
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ID=66460854
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333131A (en) * | 2018-02-14 | 2018-07-27 | 天津同阳科技发展有限公司 | Tail gas measuring devices and methods therefor |
| CN110455723A (en) * | 2019-08-12 | 2019-11-15 | 天津同阳科技发展有限公司 | Light splitting component adjustable structure for adjusting four-way green light parallel emission and emitting device |
-
2018
- 2018-02-14 CN CN201820259082.5U patent/CN208872660U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333131A (en) * | 2018-02-14 | 2018-07-27 | 天津同阳科技发展有限公司 | Tail gas measuring devices and methods therefor |
| CN110455723A (en) * | 2019-08-12 | 2019-11-15 | 天津同阳科技发展有限公司 | Light splitting component adjustable structure for adjusting four-way green light parallel emission and emitting device |
| CN110455723B (en) * | 2019-08-12 | 2024-04-02 | 天津同阳科技发展有限公司 | Light splitting component adjustable structure for adjusting four paths of green light parallel emission and emitting device |
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