CN205719957U - A kind of gas detecting system of laser multi-dimensional scanning based on safety - Google Patents
A kind of gas detecting system of laser multi-dimensional scanning based on safety Download PDFInfo
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- CN205719957U CN205719957U CN201620596514.2U CN201620596514U CN205719957U CN 205719957 U CN205719957 U CN 205719957U CN 201620596514 U CN201620596514 U CN 201620596514U CN 205719957 U CN205719957 U CN 205719957U
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Abstract
This utility model belongs to electronics field, relate generally to the gas detecting system of a kind of laser multi-dimensional scanning based on safety, including safe laser emission element, reflecting plate, linear array laser sensor unit, data acquisition and processing (DAP) unit, laser emission element launches harmless modulation mid-infrared laser plane, through baffle reflection, part light enters linear array laser sensor unit, and sensor converts optical signals into the signal of telecommunication and is transferred to data acquisition and processing (DAP) unit.Compared with prior art, the light source that native system uses is safe infrared light supply, harmless, reflects plate on the premise of meeting reflectance more resistant to abrasion；Laser plane detection is used not affected by type of vehicle and exhaustor position, it is also possible to scan the time dependent concentration of different exhaust gas components of this track diverse location thus set up 3D scanning figure and judge vehicle-state；Multiple telemetry systems can be set up at multilane as required to realize multilane is measured simultaneously.
Description
Technical field
This utility model belongs to electronics field, relates generally to the gas inspection of a kind of laser multi-dimensional scanning based on safety
Examining system.
Background technology
The most domestic motor-vehicle tail-gas detection common method is parallel by launching near-infrared laser or a tuftlet ultraviolet
Light, measures the vehicular emission tail from light path process with the one way in which in horizontal correlation, horizontal reflection and vertical reflection
Gas concentration, but horizontal correlation and the mode of horizontal reflection, owing to light beam collection neutralizes the difference of different automobile types exhaust gas pipe height, lead
Cause light path and cannot be fully contemplated by all tail gas, and horizontal survey is difficult to the tail gas measurement telemetry telling multilane and vehicle
Corresponding relation, also cannot provide emission from vehicles three-dimensional situation of change in time on track.The mode of vertical reflection due to
Light source comprises harmful ultraviolet light, exist injury occupant risk, and the reflecting mirror on ground the easiest because of
Produce heavy wear for the dust storm of environment or the vehicle of process, and then weaken light signal strength and affect measurement result.
Utility model content
The purpose of this utility model is to provide the gas detecting system of kind of a kind of laser multi-dimensional scanning based on safety, solves
Certainly existing road gas detecting system, detection cannot be contained all tail gas in road surface, cannot be collected detection and ultraviolet light by divided lane
There is the problems such as risk in bundle to human body.
In order to realize above-mentioned purpose, adopt the following technical scheme that: the gas of a kind of laser multi-dimensional scanning based on safety
Health check-up examining system, described gas detecting system include safe laser emission element, reflecting plate, linear array laser sensor unit,
Data acquisition and processing (DAP) unit, laser emission element includes one or more modulated generating laser and is arranged on laser and sends out
The beam splitting lens of emitter emission port, optical maser wavelength is set to 2um-10um, and the power of generating laser is less than 4W, and that launches swashs
Light light beam forms laser plane through beam splitting lens dispersion refraction, and reflecting plate is arranged in the light path of laser plane, linear array laser
Sensor unit is arranged on the reflection direction of reflecting plate, and laser plane is through baffle reflection, the line of part light access arrangement
Battle array laser sensor unit, linear array laser sensor unit is connected with data acquisition and processing (DAP) unit, converts optical signals into electricity
Signal is also transferred to data acquisition and processing (DAP) unit.
This utility model uses modulated generating laser, wave-length coverage 2um-10um, and power is less than 4W, through light splitting
Lens dispersion refraction, forms laser plane, and the laser of this scope is dispersed into plane through superrefraction, will not damage human body,
Being applied to road Tail gas measuring, laser plane can contain whole track, can measure the tail gas of the motor vehicles of each process
And do not affected by vehicle or exhaustor position.
Further, described beam splitting lens is cylindrical lens, and laser plane is that sector optical curtain is perpendicular to the ground.Laser beam
Through cylindrical lens dispersion refraction, sector optical curtain can be formed.The size of cylindrical lens and the width of sector optical curtain, reflecting plate away from
From adjusting according to the practical situation on road surface.
Further, described modulated generating laser, the laser wavelength range of modulation is 3.3um-5.5um, power
Less than 2W.This wave-length coverage belongs to harmless mid-infrared light wave, and power is less than 2W, and the optical maser wavelength of this scope is through folding
Penetrate, human body will not be damaged.
Further, the gas detecting system of this laser multi-dimensional scanning based on safety can use horizontal survey or
Vertical survey.During horizontal survey, the laser emission element of safety and reflecting plate are arranged on the both sides on road surface, laser transmitter projects
Laser reflects through beam splitting lens, and the laser plane of formation projects opposite side from the side on road, and light curtain is vertical with road surface, reflection
Plate length and laser plane are with wide.This set-up mode can contain whole road surface, by vehicle is not or exhaustor position is affected,
More accurate for the data of road environment detection gained.During vertical survey, described safe laser emission element is arranged on road
On the cross bar that face is overhead, described reflecting plate is arranged on road surface.The reflecting plate on road surface is easy to the dust storm because of environment or process
Vehicle produce heavy wear, so using high intensity, wear-resisting aluminium alloy or stainless steel metal plate, surface is through multiple spy
Different coating processing, has higher characteristic spectrum reflectance and more resistant to abrasion, and its length is identical with road surface list lane width.
Compared with prior art, the light source that native system uses is safe infrared light supply, harmless, source reflection plate
More resistant to abrasion on the premise of meeting reflectance；Laser plane test is used to be possible not only to the tail that the motor vehicles of process is discharged
Gas is quickly measured, it is also possible to scans the time dependent concentration of different exhaust gas components of this track diverse location thus builds
Vertical 3D scanning figure also judges vehicle-state；Multiple telemetry systems can be set up at multilane as required to realize multilane simultaneously
The measurement of automotive emission.
Accompanying drawing explanation
Fig. 1 is the position relationship schematic diagram of this utility model embodiment 1；
Fig. 2 is the principle schematic of this utility model laser-bounce unit；
Fig. 3 is the position relationship schematic diagram of this utility model embodiment 2.
Detailed description of the invention
The utility model will be further described with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
The gas detecting system of a kind of laser multi-dimensional scanning based on safety, as it is shown in figure 1, main frame 1 is arranged on road surface height
On the cross bar 4 of frame, main frame includes safe laser emission element, linear array laser sensor unit, data acquisition and processing (DAP) unit,
As in figure 2 it is shown, the sharp transmitter unit of safety comprises modulated generating laser 11, and it is arranged on generating laser 11 and launches
The beam splitting lens 12 of mouth, the power of modulated generating laser is less than 4W, and Wavelength tunable scope is at 3.3-5.5um.Laser light
Restraint the beam splitting lens 12 through cylindricality and disperse refraction, form fan-shaped laser plane 3.As it is shown in figure 1, laser plane 3 and road surface 5
Vertically, containing bicycle road, road surface, reflecting plate 2 is arranged on road surface 5, and length is identical with road surface list lane width.Reflecting plate uses
High intensity, wear-resisting aluminium alloy, surface processes through multiple specific coatings, more wear-resisting higher with reflectance.Laser plane 3 warp
Crossing reflecting plate 2 to reflect, part luminous reflectance is entered the linear array laser sensor unit of main frame, linear array laser sensor unit and data
Gather and processing unit by circuit or remotely connects, convert optical signals into the signal of telecommunication and be transferred to data acquisition and processing (DAP)
Unit, by data acquisition and processing (DAP) cell processing analytical data.
Use the laser plane vertical survey of safety, do not affected by type of vehicle is different with exhaust gas pipe height, collection
Data are more accurate, can scan the time dependent concentration of different exhaust gas components of this track diverse location thus set up 3D
Scanning figure also judges vehicle-state；Multiple telemetry systems can be set up at multilane as required simultaneously and realize motor-driven to multilane
The measurement of tail gas discharge.
Embodiment 2
The gas detecting system of a kind of laser multi-dimensional scanning based on safety, as it is shown on figure 3, main frame 1 and reflecting plate 2 are arranged
In the both sides on road surface 5, main frame includes safe laser emission element, linear array laser sensor unit, data acquisition and processing (DAP) list
Unit, as in figure 2 it is shown, the sharp transmitter unit of safety comprises modulated generating laser 11, and is arranged on generating laser 11
The beam splitting lens 12 of emission port, the power of modulated generating laser is less than 4W, and Wavelength tunable scope is at 2-10um.Laser light
Restraint the beam splitting lens 12 through cylindricality and disperse refraction, form fan-shaped laser plane 3.As it is shown on figure 3, laser plane 3 and road surface 5
Vertically, crossing whole piece track, road surface, laser plane 3 reflects through reflecting plate 2, part luminous reflectance enter main frame linear array laser pass
Sensor cell, linear array laser sensor unit is connected with data acquisition and processing (DAP) unit, converts optical signals into the signal of telecommunication and passes
It is defeated by data acquisition and processing (DAP) unit, by data acquisition and processing (DAP) cell processing analytical data.
This set-up mode can contain whole road surface, by vehicle is not or exhaustor position is affected, for road environment
The data of detection gained are more accurate.
Claims (6)
1. the gas detecting system of a laser multi-dimensional scanning based on safety, it is characterised in that described gas detecting system bag
Include safe laser emission element, reflecting plate, linear array laser sensor unit, data acquisition and processing (DAP) unit, Laser emission list
Unit includes one or more modulated generating laser and is arranged on the beam splitting lens of laser transmitter projects mouth, optical maser wavelength
Being set to 2um-10um, the power of generating laser is less than 4W, and the laser beam launched is through beam splitting lens dispersion refraction shape
Becoming laser plane, reflecting plate is arranged in the light path of laser plane, and linear array laser sensor unit is arranged on the reflection of reflecting plate
On direction, linear array laser sensor unit is connected with data acquisition and processing (DAP) unit, converts optical signals into the signal of telecommunication and transmits
To data acquisition and processing (DAP) unit.
Gas detecting system the most according to claim 1, it is characterised in that described beam splitting lens is cylindrical lens, laser
Plane is that sector optical curtain is perpendicular to the ground.
Gas detecting system the most according to claim 1, it is characterised in that described modulated generating laser, modulation
Laser wavelength range be 3.3um-5.5um, power be less than 2W.
Gas detecting system the most according to claim 1, it is characterised in that described safe laser emission element is arranged on
On the cross bar that road surface is overhead, described reflecting plate is arranged on road surface.
Gas detecting system the most according to claim 4, it is characterised in that described reflecting plate is aluminium alloy or rustless steel
Metallic plate, its length is identical with road surface list lane width.
Gas detecting system the most according to claim 1, it is characterised in that described safe laser emission element and reflection
Plate is arranged on the both sides on road surface, and reflecting plate length and laser plane are with wide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620596514.2U CN205719957U (en) | 2016-06-15 | 2016-06-15 | A kind of gas detecting system of laser multi-dimensional scanning based on safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620596514.2U CN205719957U (en) | 2016-06-15 | 2016-06-15 | A kind of gas detecting system of laser multi-dimensional scanning based on safety |
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| Publication Number | Publication Date |
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| CN205719957U true CN205719957U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620596514.2U Active CN205719957U (en) | 2016-06-15 | 2016-06-15 | A kind of gas detecting system of laser multi-dimensional scanning based on safety |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928896A (en) * | 2016-06-15 | 2016-09-07 | 汕头市胜霏尔环境科技有限公司 | Gas detection system based on safety laser multidimensional scanning |
| CN106781523A (en) * | 2017-01-18 | 2017-05-31 | 安徽庆宇光电科技有限公司 | Black smoke car capturing system based on stereoscopic monitoring mode |
-
2016
- 2016-06-15 CN CN201620596514.2U patent/CN205719957U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928896A (en) * | 2016-06-15 | 2016-09-07 | 汕头市胜霏尔环境科技有限公司 | Gas detection system based on safety laser multidimensional scanning |
| CN106781523A (en) * | 2017-01-18 | 2017-05-31 | 安徽庆宇光电科技有限公司 | Black smoke car capturing system based on stereoscopic monitoring mode |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 515000 Guangdong city of Shantou province high tech Zone Technology hengze Road No. 5 Building Room 914 Patentee after: Guangdong Sheng Fei, environmental science and Technology Co Ltd Address before: 515000 Guangdong city of Shantou province high tech Zone Technology hengze Road No. 5 Building Room 914 Patentee before: Victory mist that environmental science and technology company limited of Shantou City |