CN207650102U - A kind of vehicle speed and vehicle emission measurement system - Google Patents
A kind of vehicle speed and vehicle emission measurement system Download PDFInfo
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- CN207650102U CN207650102U CN201721629320.9U CN201721629320U CN207650102U CN 207650102 U CN207650102 U CN 207650102U CN 201721629320 U CN201721629320 U CN 201721629320U CN 207650102 U CN207650102 U CN 207650102U
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Abstract
The utility model discloses a kind of vehicle speed and vehicle emission measurement system, which includes：Detect transmitting module,Detect receiving module,The detection transmitting module and detection receiving module are connect with control unit,The detection transmitting module includes Infrared laser emission unit and Tail gas measuring laser emission element,The detection transmitting module is with optics combined beam unit connection function in object,The detection receiving module includes infrared receiver and exhaust information receiving unit,The infrared receiver is connect with timing unit,The exhaust information receiving unit is connect with spectroscopy unit,The timing unit and the spectroscopy unit are connect with processing unit,For matching vehicle speed and exhaust information and feeding back,The utility model proposes a kind of vehicle speed and vehicle emission measurement systems,Laser measuring technology is utilized,The identification of vehicle speed and Tail gas measuring information are combined,It is the high vehicle speed of a intelligence applicability and Tail gas measuring device.
Description
Technical field
The utility model is related to Tail gas measuring field more particularly to a kind of vehicle speed and vehicle emission measurement system, Ke Yishi
The acquisition and analysis of existing vehicle speed and exhaust information.
Background technology
With the development of society, automobile quantity is increasing, transportation industry is also more and more flourishing, however incident is
Vehicle exhaust discharge quantity is also growing day by day.Therefore, the influence of control exhaust emissions amount environmental pollution, to realizing environmental protection tool
It is significant.
Laser technology is advanced by leaps and bounds, and laser radar is widely used as the important tool of traffic information investigating, using swash
Light detection tail gas is the important means newly risen in recent years.Speed is also an important indicator of Tail gas measuring accuracy, in vehicle
When driving, real time monitoring exhaust emissions amount not only increases accuracy, also more simple and efficient.Existing patent proposes tail gas inspection
The method of survey, 201620275464.8 disclose a kind of automobile exhaust monitoring system, but the mode that sound wave tests the speed surveys speed
Amount is inaccurate and is easy by external interference；201621471542.8 disclosing automobile exhaust detection system, but this is
System is only detected tail gas and does not consider the influence that speed vehicle brings tail gas content detection.Meanwhile the tail of different automobile types
Having differences property of gas examination criteria, therefore vehicle cab recognition is also the important link of Tail gas measuring.
Gas has absorption to ultraviolet and infra-red radiation, for the difference of gas absorption bands, can carry out various
The Concentration Testing of gas.In exhaust gas include hundreds of compound, wherein main component include carbon dioxide, carbon monoxide,
Nitrous oxide, hydrocarbon etc..There is strong absorption band in 2.7,4.3,11.4-20 μm of area in carbon dioxide, and carbon monoxide is in 4.6 μ
Area has strong absorption band, hydrocarbon to have absorption band at 3.31,6.5,7.65 μm.
Utility model content
Detected while vehicle speed and exhaust information to realize, the utility model be intended to provide a kind of vehicle speed and
Vehicle speed and exhaust information are combined by vehicle emission measurement system, provide more perfect detection information.
A kind of vehicle speed and vehicle emission measurement system, including, detection transmitting module, detection receiving module, control unit, conjunction
Shu Danyuan, processing unit, which is characterized in that the detection transmitting module and detection receiving module are connect with control unit, are used for
Identify vehicle speed and detection tail gas, the detection transmitting module includes Infrared laser emission unit and Tail gas measuring Laser emission
Unit, the Infrared laser emission unit utilize laser diode emission pulse laser, the Tail gas measuring laser emission element
Emit laser using laser, the detection transmitting module connect with combined beam unit and projects to object, and the detection receives
Module includes infrared receiver and exhaust information receiving unit, and the infrared receiver is connect with timing unit, for dividing
Analysis vehicle and speed information, the exhaust information receiving unit are connect with spectroscopy unit, analyze exhaust gas component and content, institute
It states timing unit and the spectroscopy unit is connect with processing unit, for matching vehicle speed and exhaust information and feeding back,
Described control unit is connect with processing unit, data after upload process；
Preferably, Infrared laser emission Unit selection 850nm, 905nm or 1050nm long wavelength laser diode is made
Pulse laser is sent out for light source, is collimated using optics microscope group, the light beam for emitting identification vehicle and speed；
Preferably, the Tail gas measuring laser emission element can select 300nm-370nm ultraviolet lasers or 1-20 μ
M wavelength infrared laser be respectively used to after being expanded by optics microscope group as light source transmitting detection aerosol, carbon monoxide,
The light beam of nitrogen oxides, hydrocarbon exhaust gas component；
Preferably, the optics combined beam unit includes dichroscope and speculum, and the dichroscope is for reflecting
750nm-1100nm infrared lasers simultaneously transmit light beam except 750nm-1100nm wave bands, and the dichroscope connect with motor,
The motor is connect with control unit, and control motor rotation generates scanned infrared light beam；
Preferably, the infrared receiver receive target return infrared beam enter infrared detector, it is described red
External detector is connect with the timing unit, obtains vehicle speed information, and the exhaust information receiving unit receives target scattering
Multi-wavelength beam detached by optical module after enter spectroscopy unit, analyze exhaust gas component content information；
Preferably, the timing unit and the spectroscopy unit are connect with processing unit, and target vehicle speed is believed
Breath and exhaust gas component content information matches, and uploaded information by described control unit.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is shown according to a kind of vehicle speed of the utility model embodiment and vehicle emission measurement system principle schematic.
Specific implementation mode
A kind of vehicle speed and vehicle emission measurement system, including, detection transmitting module, detection receiving module, control unit, conjunction
Shu Danyuan, processing unit, which is characterized in that the detection transmitting module and detection receiving module are connect with control unit, are used for
Identify vehicle speed and detection tail gas, the detection transmitting module includes Infrared laser emission unit and Tail gas measuring Laser emission
Unit, the Infrared laser emission unit utilize laser diode emission pulse laser, the Tail gas measuring laser emission element
Emit laser using laser, the detection transmitting module connect with combined beam unit and projects to object, and the detection receives
Module includes infrared receiver and exhaust information receiving unit, and the infrared receiver is connect with timing unit, for dividing
Analysis vehicle and speed information, the exhaust information receiving unit are connect with spectroscopy unit, analyze exhaust gas component and content, institute
It states timing unit and the spectroscopy unit is connect with processing unit, for matching vehicle speed and exhaust information and feeding back,
Described control unit is connect with processing unit, data after upload process；
Further, the Infrared laser emission Unit selection 905nm long wavelength laser diodes send out pulse as light source and swash
Light is collimated using optics microscope group, the laser beam that the angle of divergence is less than 10mrad is generated, for emitting identification vehicle and vehicle
The light beam of speed；
Further, the Tail gas measuring laser emission element can select 1-20 mum wavelengths infrared laser logical as light source
It crosses and is respectively used to the exhaust gas components such as transmitting detection carbon monoxide, nitrogen oxides, hydrocarbon after optics microscope group is expanded
Light beam；
Further, combined beam unit includes the dichroscope and speculum placed in angle of 45 degrees with transmitting optical axis, dichroic
For reflecting 905nm infrared lasers and transmiting Tail gas measuring light beam, dichroscope is connect mirror with motor, and motor connects with control unit
It connects, control motor rotation generates scanned infrared light beam；
Further, the infrared receiver receive target return infrared beam enter infrared detector, it is described red
External detector is connect with the timing unit, obtains vehicle speed information, and the exhaust information receiving unit receives target scattering
Multi-wavelength beam detached by optical module after enter spectroscopy unit, analyze exhaust gas component and content information；
Further, the timing unit and the spectroscopy unit are connect with processing unit, and target vehicle speed is believed
Breath and exhaust gas component content information matches, and uploaded information by described control unit.
The above is only the preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these improvement
The scope of protection of the utility model is also should be regarded as with retouching.
Claims (6)
1. a kind of vehicle speed and vehicle emission measurement system, including, detection transmitting module, detection receiving module, control unit, optics
Combined beam unit, processing unit, which is characterized in that the detection transmitting module and detection receiving module are connect with control unit, are used
In transmitting laser and information is received, the detection transmitting module includes Infrared laser emission unit and Tail gas measuring Laser emission list
Member, the Infrared laser emission unit utilize laser diode emission pulse laser, the Tail gas measuring laser emission element profit
Emit laser with laser, the detection transmitting module connect with optics combined beam unit and projects to object, and the detection connects
It includes infrared receiver and exhaust information receiving unit to receive module, and the infrared receiver connect with timing unit, is used for
Analysis vehicle and speed information, the exhaust information receiving unit are connect with spectroscopy unit, analyze exhaust gas component and content,
The timing unit and the spectroscopy unit are connect with processing unit, for matching vehicle speed and exhaust information and anti-
Feedback, described control unit are connect with processing unit, data after upload process.
2. system according to claim 1, which is characterized in that described Infrared laser emission Unit selection 850nm, 905nm
Or 1050nm long wavelength laser diodes send out pulse laser as light source, are collimated using optics microscope group, know for emitting
The light beam of other vehicle and speed.
3. system according to claim 1, which is characterized in that the Tail gas measuring laser emission element can select
300nm-370nm ultraviolet lasers or 1-20 mum wavelengths infrared laser divide after being expanded by optics microscope group as light source
The light beam of detection aerosol, carbon monoxide, nitrogen oxides, hydrocarbon exhaust gas component Yong Yu not emitted.
4. system according to claim 1, which is characterized in that the optics combined beam unit includes dichroscope and reflection
Mirror, the dichroscope are used to reflect 750nm-1100nm infrared lasers and transmit the light beam except 750nm-1100nm wave bands, institute
It states dichroscope to connect with motor, the motor is connect with control unit, and control motor rotation generates scanned infrared light beam.
5. system according to claim 1, which is characterized in that the infrared receiver receives the infrared of target return
Light beam enters infrared detector, and the infrared detector is connect with the timing unit, obtains vehicle speed information, the tail gas
The multi-wavelength beam of information receiving unit reception target scattering enters spectroscopy unit after being detached by optical module, point
Analyse exhaust gas component content information.
6. system according to claim 1, which is characterized in that the timing unit and the spectroscopy unit and processing
Unit connects, and uploads information by target vehicle speed information and exhaust gas component content information matches, and by described control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721629320.9U CN207650102U (en) | 2017-11-29 | 2017-11-29 | A kind of vehicle speed and vehicle emission measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721629320.9U CN207650102U (en) | 2017-11-29 | 2017-11-29 | A kind of vehicle speed and vehicle emission measurement system |
Publications (1)
| Publication Number | Publication Date |
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| CN207650102U true CN207650102U (en) | 2018-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721629320.9U Active CN207650102U (en) | 2017-11-29 | 2017-11-29 | A kind of vehicle speed and vehicle emission measurement system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856018A (en) * | 2019-01-08 | 2019-06-07 | 北京大方科技有限责任公司 | Smoke intensity detection device and smoke intensity detection method |
| CN114034879A (en) * | 2021-11-02 | 2022-02-11 | 安徽三恩光电科技有限公司 | Vehicle speed detection device for tail gas remote measurement |
-
2017
- 2017-11-29 CN CN201721629320.9U patent/CN207650102U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856018A (en) * | 2019-01-08 | 2019-06-07 | 北京大方科技有限责任公司 | Smoke intensity detection device and smoke intensity detection method |
| CN114034879A (en) * | 2021-11-02 | 2022-02-11 | 安徽三恩光电科技有限公司 | Vehicle speed detection device for tail gas remote measurement |
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