CN207964606U - Telemetering motor vehicle tail system - Google Patents
Telemetering motor vehicle tail system Download PDFInfo
- Publication number
- CN207964606U CN207964606U CN201820372366.5U CN201820372366U CN207964606U CN 207964606 U CN207964606 U CN 207964606U CN 201820372366 U CN201820372366 U CN 201820372366U CN 207964606 U CN207964606 U CN 207964606U
- Authority
- CN
- China
- Prior art keywords
- laser
- light
- measuring cell
- motor vehicle
- vehicle tail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 230000003287 optical effect Effects 0.000 claims abstract description 22
- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- 239000013307 optical fiber Substances 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 14
- 238000012360 testing method Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000931526 Acer campestre Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Abstract
The utility model provides a kind of telemetering motor vehicle tail system, belongs to source of atmospheric pollution monitoring device.It solves existing motor-vehicle tail-gas and is difficult to monitor, and monitoring device detection range is small, and arrangement trouble debugs complicated problem.The utility model has laser emitting module and ultraviolet emission module, the data of CH, NO, CO and CO2 can be monitored simultaneously, monitoring range light, the measuring cell that the utility model is constituted using integrated telemetry host computer and optical reflection unit simultaneously is as monitoring point, arrangement is simple, when debugging, it is only necessary to debug optical reflection unit.
Description
Technical field
The utility model is related to tail gas domain of telemetry more particularly to a kind of telemetering motor vehicle tail systems.
Background technology
Tail gas pollution of motor-driven vehicle has become an important factor for influencing China's urban air-quality, with vehicle guaranteeding organic quantity
Continue to increase and the publication of 6 years inner exhaust gas inspection-free policies of new car, motor-vehicle tail-gas remote sensoring technology become promoted vehicle tail
Gas discharges the important means of ability to supervise and efficiency.《The anti-therapy of People's Republic of China's atmosphere pollution》Clear stipulaties are from 2016
January 1 in year rises, the real-time remote exhaust emission detection of the motor vehicle that can be travelled in road pavement in the case where not influencing traffic.In recent years
Come, the provincial standard of telemetering motor vehicle tail has been put into effect in each place in succession, 2017《Exhaust emission limit value and measurement side
Method (remote sensing detection method)》Exposure draft is released, and telemetering motor vehicle tail method necessarily becomes a kind of conventional exhaust emission
Monitoring means.
The prior art, which discloses, is all made of the detection that two modules carry out vehicle exhaust (CH, CO, CO2 and NO), such as patent
US005319199 surveys CO, CO2, CH using NDIR (non-dispersive infrared) module, is detected with ultraviolet module
NOx；If 1260571 C of patent CN survey CO, CO2 using laser module, HC, NO are surveyed with ultraviolet module；Using the side of two modules
Case, integrated system is larger, of high cost using two sets of light path systems；Meanwhile it being dimmed when in-site installation cumbersome；In addition, test
Before, each module is required to be demarcated, complicated when operating cost.
Utility model content
The purpose of this utility model is the presence of the above problem in view of the prior art, it is proposed that it is a kind of reasonable for structure, it is applicable in
The wide telemetering motor vehicle tail system of property.
The purpose of this utility model can be realized by following technical proposal：A kind of telemetering motor vehicle tail system, including
Be arranged road one side telemetry host computer and the optical reflection unit in road another side is set, the telemetry host computer further wraps
It includes：
Light emitting unit is detected, the detection light emitting unit includes laser emitting module and ultraviolet emission module；
Detection unit, the detection unit include by off axis paraboloidal mirror and the y-type optical fiber for being used for transmission detection light, it is described
Off axis paraboloidal mirror and optical reflection unit form open measuring cell for the monitoring point as detection motor-vehicle tail-gas, off axis
Through-hole is offered on paraboloidal mirror, the laser that the laser emitting module is sent out is entered by the through-hole in measuring cell, described
The ultraviolet light that ultraviolet emission module is sent out enters after being collimated by off axis paraboloidal mirror after y-type optical fiber in measuring cell；
Data processing unit, the data processing unit include spectrometer and photoelectric detector, and the spectrometer is for dividing
In analysis processing measuring cell it is return go out ultraviolet light, the photoelectric detector in analyzing processing measuring cell it is return go out laser.
Preferably, laser and ultraviolet light that laser in measuring cell is parallel with the collimation ultraviolet light in measuring cell, return
It is entered after off axis paraboloidal mirror converges in same y-type optical fiber.
Preferably, being provided with beam splitting device between data processing unit and y-type optical fiber, the beam splitting device is used for Y
The return light separation of mixing that type optical fiber transmits out.
Preferably, the collimation ultraviolet light in laser and measuring cell in measuring cell is not parallel, return laser pass through from
It is received by photoelectric detector after axis paraboloidal mirror convergence, return ultraviolet light is connect after off axis paraboloidal mirror converges by spectrometer
It receives.
Preferably, the effective length of measuring cell is 4 meters, the collimation ultraviolet light in measuring cell and the alternate angle between laser
Degree is at -0.5 °~0.5 °.
Preferably, being provided with collimation lens between the laser emitting module and off axis paraboloidal mirror.
Preferably, further including aiming at module, the aiming module includes an indicator light transmitting terminal and a light splitting piece,
The light splitting piece is located at laser in the light path between collimation lens and off axis paraboloidal mirror, and the light splitting piece emits indicator light
The instruction light sent out is held to be introduced on laser optical path.
Preferably, the optical reflection unit is corner reflector.
Preferably, the optical reflection unit is pyramid corner angle.
It is described to test the speed and Vehicle License Plate Recognition System is motor-driven for measuring preferably, further include testing the speed and Vehicle License Plate Recognition System
Vehicle passes through the speed of measuring cell and photographing to record to the motor vehicle.
Compared with prior art, the utility model has following technological merit：
1, the utility model emits detection light by laser and ultraviolet two transmitting modules, detection range cover CO, CO2,
HC and NO, applicability are wide.
2, two detection public measuring cells of optical transmitter module measure in the utility model, at low cost, scene peace
Dress is simple, and zeroing is convenient, easy to operate.
3, in the utility model, detection light emitting unit and off axis paraboloidal mirror in telemetry host computer are an entirety,
Internal detection light light path is adjusted, at the scene when mounting and adjusting, it is only necessary to adjust entire telemetry host computer and optical reflection
The in-site installation of system can be completed in unit, and the mode of light path adjustment is simple, and the used time is short.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of one embodiment of the utility model.
Fig. 3 is the another example structure schematic diagram of the utility model.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
Embodiment one
With reference to figure 1, Fig. 1 shows an embodiment of the utility model, a kind of telemetering motor vehicle tail system, including setting
Road one side telemetry host computer 1 and the optical reflection unit in road another side is set, optical reflection unit can be that angle is anti-
Mirror 2 or pyramid corner angle are penetrated, the telemetry host computer 1 further comprises：
Light emitting unit is detected, the detection light emitting unit includes laser emitting module 102 and ultraviolet emission module
110, wherein the absorption line for the optical maser wavelength covering CH and NO that laser emitting module 102 is sent out, ultraviolet emission module 110 are sent out
The absorption line of the ultraviolet wavelength covering CO and CO2 gone out；
Detection unit, the detection unit include by off axis paraboloidal mirror 105 and the y-type optical fiber for being used for transmission detection light
106, the off axis paraboloidal mirror 105 and optical reflection unit (such as corner reflector 2) form open measuring cell and are used for conduct
The monitoring point of motor-vehicle tail-gas is detected, through-hole is offered on off axis paraboloidal mirror 105, what the laser emitting module 102 was sent out
Laser is entered by the through-hole in measuring cell, and the ultraviolet light that the ultraviolet emission module 110 is sent out is after y-type optical fiber 106
It is entered in measuring cell after being collimated by off axis paraboloidal mirror 105；
Data processing unit, the data processing unit include spectrometer 109 and photoelectric detector 108, the spectrometer
109 in analyzing processing measuring cell it is return go out ultraviolet light, the photoelectric detector 108 in analyzing processing measuring cell for returning
The laser returned out.
In the present embodiment, the ultraviolet light that the detection light and ultraviolet emission module 110 that laser emitting module 102 is sent out are sent out
An open measuring cell is shared, i.e., can measure to obtain CH, NO, CO, CO2 in motor-vehicle tail-gas simultaneously by a monitoring point
Content ingredient, accuracy is high, and the cost of system equipment is low.
When detection, laser is by the way that, by being injected into measuring cell, laser passes through monitoring point on off axis paraboloidal mirror 105
It is exactly to be reflected by corner reflector 2, return laser again passes through monitoring point and carried out by off axis paraboloidal mirror 105 after measuring cell
It converges and is finally received by photoelectric detector 108.Ultraviolet light is injected into after being transmitted by Transmission Fibers in measuring cell, across prison
Before measuring point, ultraviolet light is mapped to first on off axis paraboloidal mirror 105, is collimated by off axis paraboloidal mirror 105, the purple after collimation
Outer light is equally reflected by corner reflector 2 after passing through monitoring point, and return ultraviolet light again passes through behind monitoring point by throwing off axis
Object plane mirror 105 is converged and is finally received by spectrometer 109.
In order to ensure that laser is return by predetermined design light path after corner reflector 2, needed before laser enters measuring cell
Laser is collimated, in the present embodiment, standard is provided between laser emitting module 102 and off axis paraboloidal mirror 105
Straight lens 103, laser are injected by through-hole in measuring cell after collimation lens 103.
In the present embodiment, collimation laser in measuring cell is parallel, return laser and return purple with collimation ultraviolet light
There is outer light common focus, the receiving terminal of y-type optical fiber 106 to be arranged after being converged after the convergence of off axis paraboloidal mirror 105
In the focus, the return light of mixing is entered by the focus in y-type optical fiber 106 to be transmitted by y-type optical fiber 106.
The wavelength of ultraviolet light and laser has overlapped part, when being handled into data processing unit, needs
The return light of mixing is detached.The present embodiment is detached using a beam splitting device 107 to mixing return light, is detached
Ultraviolet light afterwards is handled by 109 reception of spectrometer, and the laser after separation is handled by 108 reception of photoelectric detector.
In order to facilitate the mounting and adjusting of system, for also tool there are one module is aimed at, it includes one to aim at module in the present embodiment
Indicator light transmitting terminal 101 and a light splitting piece 104, light splitting piece 104 between collimation lens 103 and off axis paraboloidal mirror 105,
Light splitting piece 104 is located in the light path of laser, and the instruction light that indicator light transmitting terminal 101 is sent out is by laterally injecting and passing through light splitting piece
Change optical path direction after 104 refractions, the instruction light changed after optical path direction is identical as the optical path direction of collimation laser, is penetrated by through-hole
Enter into measuring cell, is got on corner reflector 2 across monitoring point, it can be quickly diagonal according to instruction modulating signal on corner reflector 2
Speculum 2 is adjusted so that this system being capable of money installation dropping place.It is to be herein pointed out light splitting piece 104 generally uses two
To Look mirror, laser can pass through light splitting piece 104 without changing direction, thus be arranged will not in the light path of laser for light splitting piece 104
Change the optical path direction of laser.
Further, in the present embodiment, mating being additionally provided with is tested the speed and Vehicle License Plate Recognition System 3, described to test the speed and car plate
Identifying system 3 passes through the speed of measuring cell and photographing to record to the motor vehicle for measuring motor vehicle, hence for super
The motor vehicle of mark discharge carries out record punishment.
Embodiment two
With reference to figure 2, Fig. 2 shows the another embodiments of the utility model, the difference between this embodiment and the first embodiment lies in,
In the present embodiment, the collimation laser in measuring cell and collimation ultraviolet light are not parallel, such as on four meters of wide roads, accurate
Stagger angle between straight laser and collimation ultraviolet light is between -0.5 ° to 0.5 °.By off-axis parabolic after collimation laser is return
Face mirror 105 converges in a focus, another focus is converged to by off axis paraboloidal mirror 105 after collimation ultraviolet light is return
On, the return light of the two is separated.Therefore, the present embodiment need not detach return light relative to embodiment one,
Laser is directly received by photoelectric detector 108, ultraviolet light is received by spectrometer 109.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (10)
1. a kind of telemetering motor vehicle tail system, which is characterized in that exist in the telemetry host computer on road one side and setting including being arranged
The optical reflection unit of road another side, the telemetry host computer further comprise：
Light emitting unit is detected, the detection light emitting unit includes laser emitting module and ultraviolet emission module；
Detection unit, the detection unit include by off axis paraboloidal mirror and the y-type optical fiber for being used for transmission detection light, it is described off-axis
Paraboloidal mirror and optical reflection unit form open measuring cell for the monitoring point as detection motor-vehicle tail-gas, off-axis parabolic
Through-hole is offered on the mirror of face, the laser that the laser emitting module is sent out is entered by the through-hole in measuring cell, described ultraviolet
The ultraviolet light that transmitting module is sent out enters after being collimated by off axis paraboloidal mirror after y-type optical fiber in measuring cell；
Data processing unit, the data processing unit include spectrometer and photoelectric detector, and the spectrometer is at analysis
Manage in measuring cell it is return go out ultraviolet light, the photoelectric detector in analyzing processing measuring cell it is return go out laser.
2. telemetering motor vehicle tail system according to claim 1, which is characterized in that the laser in measuring cell and measuring cell
Interior collimation ultraviolet light is parallel, and return laser and ultraviolet light enter same y-type optical fiber after off axis paraboloidal mirror converges
It is interior.
3. telemetering motor vehicle tail system according to claim 2, which is characterized in that data processing unit and y-type optical fiber
Between be provided with beam splitting device, the return light separation of the mixing that the beam splitting device is used to transmit out y-type optical fiber.
4. telemetering motor vehicle tail system according to claim 1, which is characterized in that the laser in measuring cell and measuring cell
Interior collimation ultraviolet light is not parallel, and return laser is received after off axis paraboloidal mirror converges by photoelectric detector, return
Ultraviolet light is received after off axis paraboloidal mirror converges by spectrometer.
5. telemetering motor vehicle tail system according to claim 4, which is characterized in that the effective length of measuring cell is 4 meters,
Collimation ultraviolet light in measuring cell and the stagger angle between laser are at -0.5 °~0.5 °.
6. telemetering motor vehicle tail system according to claim 1, which is characterized in that the laser emitting module and off-axis
Collimation lens is provided between paraboloidal mirror.
7. telemetering motor vehicle tail system according to claim 6, which is characterized in that further include aiming at module, it is described to take aim at
Quasi-mode block includes an indicator light transmitting terminal and a light splitting piece, and the light splitting piece is located at laser in collimation lens and off-axis parabolic
In light path between the mirror of face, the instruction light that indicator light transmitting terminal is sent out is introduced on laser optical path by the light splitting piece.
8. telemetering motor vehicle tail system according to claim 1, which is characterized in that the optical reflection unit is that angle is anti-
Penetrate mirror.
9. telemetering motor vehicle tail system according to claim 1, which is characterized in that the optical reflection unit is pyramid
Corner angle.
10. telemetering motor vehicle tail system according to claim 1, which is characterized in that further include testing the speed and Car license recognition
System, it is described test the speed and Vehicle License Plate Recognition System for measure motor vehicle pass through the speed of measuring cell and clapping to the motor vehicle
According to record.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820372366.5U CN207964606U (en) | 2018-03-19 | 2018-03-19 | Telemetering motor vehicle tail system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820372366.5U CN207964606U (en) | 2018-03-19 | 2018-03-19 | Telemetering motor vehicle tail system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207964606U true CN207964606U (en) | 2018-10-12 |
Family
ID=63724992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820372366.5U Expired - Fee Related CN207964606U (en) | 2018-03-19 | 2018-03-19 | Telemetering motor vehicle tail system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207964606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152207A (en) * | 2018-03-19 | 2018-06-12 | 杭州因诺维新科技有限公司 | Telemetering motor vehicle tail system |
-
2018
- 2018-03-19 CN CN201820372366.5U patent/CN207964606U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152207A (en) * | 2018-03-19 | 2018-06-12 | 杭州因诺维新科技有限公司 | Telemetering motor vehicle tail system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207396336U (en) | Light path detects motor vehicle tail gas unit | |
| CN205424432U (en) | On -vehicle overhead type multiple beam laser natural gas leakage telegauge | |
| CN108414469B (en) | TDLAS (tunable diode laser absorption Spectroscopy) scanning-based transceiver integrated motor vehicle tail gas remote sensing measurement device and method | |
| CN106383097A (en) | Tunable-laser-based motor vehicle exhaust gas remote sensing detection system and method | |
| CN206531778U (en) | A kind of many light path remote exhaust emission test devices | |
| CN105044704B (en) | The spaceborne laser transmitter integrated test system for performance of high accuracy | |
| CN102735633B (en) | Light path online calibration type cavity enhanced atmosphere trace gas detection system | |
| CN108152207A (en) | Telemetering motor vehicle tail system | |
| CN102879359A (en) | Atmospheric visibility measuring system | |
| CN103630474A (en) | Multilane motor vehicle tail gas PM2.5 (Particulate Matter 2.5) telemetering device | |
| CN104132911A (en) | Open type long optical distance CO and CH4 online testing instrument | |
| CN106885786A (en) | Telemetering motor vehicle tail system | |
| CN107144543A (en) | A kind of transmitting-receiving integrated open light path atmospheric detection system | |
| CN104220863A (en) | Gas detector system | |
| CN108132228A (en) | A kind of vehicle exhaust telemetering equipment | |
| CN108007890A (en) | A kind of motor-vehicle tail-gas detection light beam reflection unit and detecting system | |
| CN108760665A (en) | A kind of rectilinear motor-vehicle tail-gas remote sensing detection system | |
| CN112748088A (en) | Double-light-path transceiving integrated vertical motor vehicle tail gas remote sensing device | |
| CN207964606U (en) | Telemetering motor vehicle tail system | |
| CN206399819U (en) | Automobile exhaust detection system | |
| CN207964624U (en) | Transmitting-receiving integrated motor-vehicle tail-gas remote sensing survey device is scanned based on TDLAS | |
| CN102297841A (en) | Flue gas automatic monitor based on optical fiber transmission and signal receiving | |
| CN206756689U (en) | Telemetering motor vehicle tail system | |
| CN212904513U (en) | Multi-component real-time optical remote measuring device for motor vehicle tail gas | |
| CN109211795A (en) | Vertical multilane motor vehicle exhaust remote sensing detection method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |