CN204155456U - Road and current conditional information harvester - Google Patents
Road and current conditional information harvester Download PDFInfo
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- CN204155456U CN204155456U CN201420422298.0U CN201420422298U CN204155456U CN 204155456 U CN204155456 U CN 204155456U CN 201420422298 U CN201420422298 U CN 201420422298U CN 204155456 U CN204155456 U CN 204155456U
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Abstract
Road and current conditional information harvester, it comprises visibility tester, pavement behavior remote measurement tester and illumination tester, and visibility tester, pavement behavior remote measurement tester are all connected with processor with illumination tester; The beneficial effect of utility model is, environmental aspect can be realized measure in real time, environmental energy is shown in the situation such as angle value and surface gathered water, accumulated ice, accumulated snow, real-time synchronization amendment speed(-)limit sign direction board speed limit and overspeed snapping parameter, thus realize environmentally situation, strictly road speed is controlled in the scope that safety is controlled, greatly reduce the situation of high-speed transit Frequent Accidents.Solve due to because of environmental change, speed of a motor vehicle mark direction board indicated value immobilizes, and the road speed of safety is no longer safe originally, causes traffic hazard to take place frequently, the measure of " road closure " can only be taked to reduce the problem of traffic hazard.
Description
Technical field
The utility model belongs to traffic management technology field, is specifically related to road and current conditional information harvester.
Background technology
The high-speed transit fast development of current China, high speed mileage constantly increases, environmental aspect is severe further simultaneously, the weather frequencies of occurrences such as dense fog, haze, wind-drifting sand, heavy snow remain high, in addition the traffic control department test that do not have relevant device can realize visibility, pavement behavior (as ponding, accumulated ice, snowpack), and the road speed direction board of reference immobilizes, high-speed transit, because not possessing according to the instruction of weather concrete situation real time modifying speed limit, causes the present situation of high-speed transit Frequent Accidents.
For head it off, just need to detect road (as ice and snow, ponding etc.) and current condition (environment is as dense fog, light, visibility etc.), the camera adopted at present cannot complete this work.
Summary of the invention
The purpose of this utility model is to provide a kind of road and current conditional information harvester.Specifically, road and current conditional information harvester, it comprises visibility tester, pavement behavior remote measurement tester and illumination tester, and visibility tester, pavement behavior remote measurement tester are all connected with processor with illumination tester; Described visibility tester, comprise infrared light pulse emitter and the receiving trap of microprocessor controls, and microcontroller is electrically connected with infrared light pulse emitter and receiving trap, be also provided with the light shield blocking direct projection or indirect astigmatism in infrared light pulse emitter side; The treating apparatus that described pavement behavior remote measurement tester comprises a sensor and is connected with sensor, treating apparatus differentiates pavement state according to the size of the energy receiving laser, and described sensor is made up of a laser beam emitting device and laser receiver; Described illumination tester comprises a light sensor, and light sensor is connected with photoelectric switching circuit, also connects by the output circuit that photocurrent values can be converted into illuminance value on photoelectric switching circuit exports.
The beneficial effects of the utility model are, environmental aspect can be realized measure in real time, environmental energy is shown in the situation such as angle value and surface gathered water, accumulated ice, accumulated snow, real-time synchronization amendment speed(-)limit sign direction board speed limit and overspeed snapping parameter, thus realize environmentally situation, strictly road speed is controlled in the scope that safety is controlled, greatly reduce the situation of high-speed transit Frequent Accidents.Solve due to because of environmental change, speed of a motor vehicle mark direction board indicated value immobilizes, and the road speed of safety is no longer safe originally, causes traffic hazard to take place frequently, the measure of " road closure " can only be taked to reduce the problem of traffic hazard.
Accompanying drawing explanation
Fig. 1 is the utility model principle schematic.
Fig. 2 is visibility tester principle schematic in the utility model.
Fig. 3 is for being visibility tester operating diagram in the utility model.
Figure number illustrates: 1-infrared light pulse emitter, 2-infrared light pulse receiving trap, 3-sample region, 4-light shield, 5-direct projection or indirect astigmatism, 6-microcontroller.
Fig. 4 is pavement behavior remote measurement tester principle schematic in the utility model.
Fig. 5 is illumination tester principle schematic in the utility model.
Fig. 6 is the utility model road surface tester test result schematic diagram.
Fig. 7 is that the utility model is used in schematic diagram in supervisory system.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
If Fig. 1 is the utility model road and current conditional information harvester principle, it comprises visibility tester, pavement behavior remote measurement tester and illumination tester, and visibility tester, pavement behavior remote measurement tester are all connected with processor with illumination tester; Described visibility tester, comprise infrared light pulse emitter and the receiving trap of microprocessor controls, and microcontroller is electrically connected with infrared light pulse emitter and receiving trap, be also provided with the light shield blocking direct projection or indirect astigmatism in infrared light pulse emitter side; The treating apparatus that described pavement behavior remote measurement tester comprises a sensor and is connected with sensor, treating apparatus differentiates pavement state according to the size of the energy receiving laser, and described sensor is made up of a laser beam emitting device and laser receiver; Described illumination tester comprises a light sensor, and light sensor is connected with photoelectric switching circuit, also connects by the output circuit that photocurrent values can be converted into illuminance value on photoelectric switching circuit exports.
If Fig. 2 is the utility model visibility tester principle, it utilizes the forward scattering principle of light, microprocessor controls emitter is utilized to launch infrared light pulse, receiving trap receives the infrared light pulse launched simultaneously, by measuring the difference of the light intensity of the infrared light pulse of emitter and receiving trap, realize the concentration determination of suspended particles in air, according to national testing standard, convert the concentration value of suspended particles to visibility value.
As structural representation when Fig. 3 is the work of the utility model visibility tester, visibility tester, it comprises infrared light pulse emitter 1 and the receiving trap 2 of microcontroller 6 control, and microcontroller 6 is electrically connected with infrared light pulse emitter 1 and receiving trap 2, be also provided with the light shield 4 blocking direct projection or indirect astigmatism in infrared light pulse emitter 1 side.
As Fig. 4 gives the embodiment of the utility model pavement behavior remote measurement tester.It treating apparatus comprising a sensor and be connected with sensor, treating apparatus differentiates pavement state according to the size of the energy receiving laser, and described sensor is made up of a laser beam emitting device and laser receiver, laser receiver is connected with treating apparatus simultaneously.The utility model sensor is based on Spectrophotometric principle of work, if pavement state (snow, ice, water, dry bituminous pavement) is different, the energy of the laser signal so reflected is also different, differentiates pavement state by the size measuring the energy receiving laser.By ponding, accumulated ice, Snow Thickness, road surface slippery situation coefficient and snow and ice cover rate that sensor will be measured, transfer to background process equipment, according to national road related specifications, can convert out speed limit now, simultaneous display is on LED electronic traffic mark display board.Vehicle supervision department can realize the detection of road pavement ponding, accumulated ice, Snow Thickness, road surface slippery situation coefficient and ice and snow on road surfaces coverage rate, in real time according to pavement behavior, automatically monitors pavement behavior, automatic alarm, real time modifying speed(-)limit sign display board.
If Fig. 5 is the utility model illumination tester principle schematic, it comprises a light sensor, and light sensor is connected with photoelectric switching circuit, also connects by the output circuit that photocurrent values can be converted into illuminance value on photoelectric switching circuit exports.The utility model illumination tester adopts photodetector device, utilizes photoelectric effect, measures photocurrent values corresponding to different illumination intensity, then photocurrent values is converted into illuminance value by light sensor.Can according to the current restricted driving speed of this illuminance angle value adjustment.
Fig. 6 is the signal intensity that under different pavement state, road reflection is returned.Horizontal ordinate represents wavelength, ordinate represents the signal intensity reflected, as can be seen from the figure different pavement behavior reflection strength under the light of different wave length is different, but change is not quite similar again, the kind of pavement behavior can be inferred from the otherness of reflection strength, thus the thickness of road snow, ponding, accumulated ice can be calculated.
In order to tell pavement state, need measure fully the reflection coefficient under three kinds of wavelength and contrast, these three kinds of wavelength are 1320nm, 1560nm and 1700nm.From Fig. 6 1320nm index line on can to distinguish pavement state be significantly dry with snow or water and ice, from figure 1560nm index line on can to distinguish road surface be significantly dry or other state, from figure 1700nm index line on can distinguish water outlet and ice significantly; Also the thickness, particularly 0 ~ 2mm of moisture film can be distinguished in addition from the index line of 1320nm.
System diagram on highway is arranged on as Fig. 7 gives information collecting device described in the utility model.Information collecting device comprises visibility tester, pavement behavior remote measurement tester and illumination tester, and visibility tester, pavement behavior remote measurement tester and illumination tester are connected to same processor.During use, visibility value, pavement behavior and brightness value that visibility tester, pavement behavior remote measurement tester and illumination tester collect are sent to processor, processor converts out speed limit now according to road parameters management regulation, again by the speed limit indicated value of this speed limit by transmission network real-time synchronization amendment LED electronic traffic mark display board and the speed limit of overspeed snapping shooting subsystem, namely solving prior art cannot according to the problem of the concrete situation of weather to speed limit instruction real time modifying.
The utility model can realize environmentally situation, the situations such as real-time measurement environment visibility value and surface gathered water, accumulated ice, accumulated snow, real-time synchronization amendment speed(-)limit sign direction board speed limit and overspeed snapping parameter, thus realize environmentally situation, strictly road speed is controlled in the scope that safety is controlled, greatly reduce the situation of high-speed transit Frequent Accidents.Solve due to because of environmental change, speed of a motor vehicle mark direction board indicated value immobilizes, and the road speed of safety is no longer safe originally, causes traffic hazard to take place frequently, the measure of " road closure " can only be taked to reduce the problem of traffic hazard.
The microcontroller adopted in the utility model, infrared light pulse emitter, infrared light pulse receiving trap, laser beam emitting device and laser receiver are existing product, processor different road surface reflection strength under the light of different wave length is different, but change is not quite similar again, the principle of the kind of pavement behavior can be inferred from the otherness of reflection strength, the thickness of road snow, ponding, accumulated ice can be calculated.
Claims (1)
1. road and current conditional information harvester, is characterized in that comprising visibility tester, pavement behavior remote measurement tester and illumination tester, and visibility tester, pavement behavior remote measurement tester are all connected with processor with illumination tester; Described visibility tester, comprise infrared light pulse emitter (1) and receiving trap (2) that microcontroller (6) controls, and microcontroller (6) is electrically connected with infrared light pulse emitter (1) and receiving trap (2), be also provided with the light shield (4) blocking direct projection or indirect astigmatism in infrared light pulse emitter (1) side; The treating apparatus that described pavement behavior remote measurement tester comprises a sensor and is connected with sensor, treating apparatus differentiates pavement state according to the size of the energy receiving laser, and described sensor is made up of a laser beam emitting device and laser receiver; Described illumination tester comprises a light sensor, and light sensor is connected with photoelectric switching circuit, also connects by the output circuit that photocurrent values can be converted into illuminance value on photoelectric switching circuit exports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420422298.0U CN204155456U (en) | 2014-07-28 | 2014-07-28 | Road and current conditional information harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420422298.0U CN204155456U (en) | 2014-07-28 | 2014-07-28 | Road and current conditional information harvester |
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| Publication Number | Publication Date |
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| CN204155456U true CN204155456U (en) | 2015-02-11 |
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| CN201420422298.0U Active CN204155456U (en) | 2014-07-28 | 2014-07-28 | Road and current conditional information harvester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104103182A (en) * | 2014-07-28 | 2014-10-15 | 张蕾 | Road and passing condition information acquisition device |
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2014
- 2014-07-28 CN CN201420422298.0U patent/CN204155456U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104103182A (en) * | 2014-07-28 | 2014-10-15 | 张蕾 | Road and passing condition information acquisition device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151221 Address after: Beilin District in Shaanxi province Xi'an City Road 710000 and No. 29 Room 408 Patentee after: Xi'an nano electronic technology Co., Ltd. Address before: 721006, Jian an group building, 7 Park Road, Weibin District, Shaanxi, Baoji Patentee before: Zhang Lei |