CN102956108A - Visible light type road speed measurement system - Google Patents
Visible light type road speed measurement system Download PDFInfo
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- CN102956108A CN102956108A CN2011102546168A CN201110254616A CN102956108A CN 102956108 A CN102956108 A CN 102956108A CN 2011102546168 A CN2011102546168 A CN 2011102546168A CN 201110254616 A CN201110254616 A CN 201110254616A CN 102956108 A CN102956108 A CN 102956108A
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Abstract
The invention relates to a visible light type road speed measurement system which comprises a light signal generation device, a light signal receiving device and a signal processing device, wherein the light signal generation device is used for supplying a light source irradiating a vehicle; the light signal receiving device is used for receiving a light signal reflected by the vehicle, converting the light signal into an electric signal and transmitting the electric signal to the signal processing device; and the signal processing device is used for calculating the speed of the vehicle according to the electric signal. According to the visible light type road speed measurement system, due to the matching of the devices above, the current traffic signal lamp can be used for directly measuring the speed of the vehicle, so that the shortcomings of the conventional contact type speed measurement device and the conventional non-contact type speed measurement device are overcome; and the visible light type road speed measurement system is simple in structure, low in cost and reliable in performance and is convenient to maintain.
Description
Technical field
The present invention relates to a kind of velocity-measuring system, relate in particular to a kind of visible light speed-measuring system of highway for measuring vehicle speed.
Background technology
At present, the motor vehicles speed measuring device of China mainly contains two kinds, and it is respectively contact speed measuring device and non-contact speed measuring device.The contact speed measuring device is mainly by the means of strain gauge transducer as collection signal, can obtain higher catch rate, cost performance is higher, when being installation, its shortcoming can destroy the road surface, described strain gauge transducer is embedded in underground, thereby easily is subject to environmental impact generation deformation, in addition, also because easily being caused damage by reasons such as heavy vehicle, road surface repairings, actual maintenance expense is higher than other speed measuring devices; Non-contact speed measuring device mainly is radar meter, although it is easy to carry, cost is higher, and performance is less stable also.
Summary of the invention
Technical matters to be solved by this invention is, for above-mentioned the deficiencies in the prior art, proposes a kind of visible light speed-measuring system of highway, and it is simple in structure, be convenient to maintaining, cost is low and dependable performance.
The technical solution adopted for the present invention to solve the technical problems is, a kind of visible light speed-measuring system of highway is proposed, it comprises optical signal generating apparatus, light signal receiving and signal processing apparatus, and described optical signal generating apparatus is used for providing the light source that shines on the vehicles; Described light signal receiving be used for to receive the light signal that is reflected back from the described vehicles, and converts described light signal to electric signal and be sent to described signal processing apparatus; Described signal processing apparatus is used for calculating according to described electric signal the speed of the vehicles.
Further, described optical signal generating apparatus is be used to the traffic lights that described light source is provided or street lamp.
Further, described optical signal generating apparatus is the LED lamp.
Further, described visible light speed-measuring system of highway also comprises information provider unit, and described information provider unit is used for providing vehicle speed information, traffic information, Weather information or advertising message.
Further, described information provider unit comprises display screen or voice device or signal lamp.
Further, described visible light speed-measuring system of highway also comprises the dispatch control monitor terminal, described signal processing apparatus also is used for sending the velocity information of the vehicles to described dispatch control monitor terminal, and the traffic police dispatches the vehicles according to the velocity information that described dispatch control monitor terminal shows.
Further, described dispatch control monitor terminal is handheld terminal.
Further, described dispatch control monitor terminal is computer server.
Further, described visible light speed-measuring system of highway also comprises vehicle information collecting device, and described vehicle information collecting device is used for the information of collection vehicle and sends the information of described vehicle to described dispatch control monitor terminal.
Further, described vehicle information collecting device is imageing sensor, and described imageing sensor is used for taking the license plate number of the vehicles, and sends corresponding license plate number information to described signal processing apparatus.
In sum, visible light speed-measuring system of highway of the present invention is by the cooperation between above-mentioned each device, can directly utilize existing traffic lights, just can realize the vehicles are tested the speed, solved existing contact speed measuring device and the existing defective of non-contact speed measuring device, it is simple in structure, be convenient to maintaining, cost is low and dependable performance.
Description of drawings
Fig. 1 is the theory diagram of a kind of embodiment of visible light speed-measuring system of highway of the present invention.
Embodiment
The present invention will be further described below in conjunction with drawings and the specific embodiments:
See also Fig. 1, visible light speed-measuring system of highway of the present invention comprises optical signal generating apparatus 1, light signal receiving 2, signal processing apparatus 3, vehicle information collecting device 4, information provider unit 5 and dispatch control monitor terminal 6.Described optical signal generating apparatus 1 is used for providing the light source that shines on the vehicles, and it can be traffic lights or street lamp etc.In the present embodiment, described optical signal generating apparatus 1 is be used to the LED traffic lights that described light source is provided, described LED traffic lights can be arranged on tunnel face or the crossroad, it has provides test the speed light source and traffic signals dual-use function, can take full advantage of existing traffic lights resource, thereby can reduce cost, be convenient to popularize.
Described light signal receiving 2 is used for receiving the light signal that is reflected back from the described vehicles, and converts described light signal to electric signal and be sent to described signal processing apparatus 3.In the present embodiment, described light signal receiving 2 is photoelectric commutators, and described signal processing apparatus 3 is dsp processors.When a certain vehicle approaches towards described LED traffic lights, under the control of described dsp processor, described LED traffic lights are to described vehicle emission light beam signal, described light signal runs into described vehicle back reflection and returns, described photoelectric commutator converts described light signal electric signal to and is transferred to described dsp processor, described dsp processor is according to launch time and the time of reception of described light signal, calculate the propagation distance of white light signal, and then calculate the distance of vehicle and described light signal receiving 2.After a period of time, repeat again said process, then, described dsp processor asks poor with the distance of twice vehicle and described light signal receiving 2, just draw vehicle in the distance of this section period, this distance and this time period are asked the merchant, just draw the average velocity of described vehicle.
Described vehicle information collecting device 4 is used for sending to described light signal receiving 2 information of vehicle.Described information provider unit 5 can be display screen, voice device or signal lamp, and it can be used for providing vehicle speed information, traffic information, Weather information or advertising message.In the present embodiment, described vehicle information collecting device 4 and described information provider unit 5 are respectively imageing sensor and loudspeaker.Described imageing sensor is used for taking the license plate number of vehicle, and sends corresponding license plate number information to described dsp processor.If when the speed of described vehicle surpassed the speed of a motor vehicle of this highway section regulation, then described dsp processor transmitted speed information and the information of this vehicle to described loudspeaker, makes driver's regulation speed, thereby can reduce the situation that produces traffic accident because of hypervelocity.
In addition, described dsp processor also sends license plate number information, car speed information and time of described vehicle to described dispatch control monitor terminal 6 by network by network.Described dispatch control terminal 6 can be handheld terminal or computer server etc., and in the present embodiment, described dispatch control terminal 6 is computer servers.The traffic police dispatches the vehicles according to the velocity information that described dispatch control monitor terminal 6 shows.For example, if the speed of described vehicle is lower than the base speed that this highway section requires, the crowded or accident of this road section traffic volume is described then, thereby the traffic police can in time rush towards the scene, solve various accidents.In addition, also transmit traffic information, Weather information or advertising message by described dispatch control monitor terminal 6 to described dsp processor, and then transmit described traffic information, Weather information or advertising message by described dsp processor to described loudspeaker, thereby be convenient to the driver and understand road conditions and weather etc.
In sum, visible light speed-measuring system of highway of the present invention is by the cooperation between above-mentioned each device, can directly utilize existing traffic lights, just can realize the vehicles are tested the speed, solved existing contact speed measuring device and the existing defective of non-contact speed measuring device, it is simple in structure, be convenient to maintaining, cost is low and dependable performance.
The above is described preferred embodiment of the present invention by reference to the accompanying drawings; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away from the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within protection scope of the present invention.
Claims (10)
1. visible light speed-measuring system of highway is characterized in that: comprise optical signal generating apparatus, light signal receiving and signal processing apparatus, described optical signal generating apparatus is used for providing the light source that shines on the vehicles; Described light signal receiving be used for to receive the light signal that is reflected back from the described vehicles, and converts described light signal to electric signal and be sent to described signal processing apparatus; Described signal processing apparatus is used for calculating according to described electric signal the speed of the vehicles.
2. visible light speed-measuring system of highway according to claim 1, it is characterized in that: described optical signal generating apparatus is traffic lights or street lamp.
3. visible light speed-measuring system of highway according to claim 1, it is characterized in that: described optical signal generating apparatus is the LED lamp.
4. according to claim 1 and 2 or 3 described visible light speed-measuring system of highway, it is characterized in that: described visible light speed-measuring system of highway also comprises information provider unit, and described information provider unit is used for providing vehicle speed information, traffic information, Weather information or advertising message.
5. visible light speed-measuring system of highway according to claim 4, it is characterized in that: described information provider unit comprises display screen or voice device or signal lamp.
6. according to claim 1 and 2 or 3 described visible light speed-measuring system of highway, it is characterized in that: described visible light speed-measuring system of highway also comprises the dispatch control monitor terminal, described signal processing apparatus also is used for sending the velocity information of the vehicles to described dispatch control monitor terminal, and the traffic police dispatches the vehicles according to the velocity information that described dispatch control monitor terminal shows.
7. visible light speed-measuring system of highway according to claim 6, it is characterized in that: described dispatch control monitor terminal is handheld terminal.
8. visible light speed-measuring system of highway according to claim 6, it is characterized in that: described dispatch control monitor terminal is computer server.
9. visible light speed-measuring system of highway according to claim 6, it is characterized in that: described visible light speed-measuring system of highway also comprises vehicle information collecting device, and described vehicle information collecting device is used for the information of collection vehicle and sends the information of described vehicle to described dispatch control monitor terminal.
10. visible light speed-measuring system of highway according to claim 9, it is characterized in that: described vehicle information collecting device is imageing sensor, described imageing sensor is used for taking the license plate number of the vehicles, and sends corresponding license plate number information to described signal processing apparatus.
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| CN201110254616.8A CN102956108B (en) | 2011-08-31 | 2011-08-31 | Visible light type road speed measurement system |
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| CN201110254616.8A CN102956108B (en) | 2011-08-31 | 2011-08-31 | Visible light type road speed measurement system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382848A (en) * | 2016-11-30 | 2017-02-08 | 江苏科技大学 | Bullet velocity measurement device based on ultrahigh dynamic strainometer |
| CN106526221A (en) * | 2016-11-30 | 2017-03-22 | 江苏科技大学 | Device for measuring speed of subcaliber bullet |
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| US20110156925A1 (en) * | 2009-12-28 | 2011-06-30 | Korea Electronics Technology Institute | Visible light communication apparatus for vehicle, system and method for vehicular communication inside tunnel using visible light communication |
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| CN106382848A (en) * | 2016-11-30 | 2017-02-08 | 江苏科技大学 | Bullet velocity measurement device based on ultrahigh dynamic strainometer |
| CN106526221A (en) * | 2016-11-30 | 2017-03-22 | 江苏科技大学 | Device for measuring speed of subcaliber bullet |
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| CN106526221B (en) * | 2016-11-30 | 2022-09-23 | 江苏科技大学 | Speed measuring device for sub-caliber bullets |
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| CN102956108B (en) | 2015-07-01 |
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Owner name: SHENZHEN GUANGQI INTELLIGENT PHOTONICS TECHNOLOGY Free format text: FORMER OWNER: SHENZHEN KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Effective date: 20150720 Free format text: FORMER OWNER: SHENZHEN KUANG-CHI INNOVATION TECHNOLOGY CO., LTD. Effective date: 20150720 |
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Effective date of registration: 20150720 Address after: 518000 Guangdong city of Shenzhen province Futian District Shennan Road and CaiTian Road intersection East Xintiandi Plaza C block 2007-27 Patentee after: Shenzhen Guang Qi intelligent photonic Technology Co., Ltd. Address before: 518000 Nanshan District City, Guangdong province high tech Zone in the middle of a high tech building, No. 9 software building Patentee before: Shenzhen Kuang-Chi Institute of Advanced Technology Patentee before: Shenzhen Kuang-Chi Innovation Technology Co., Ltd. |
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Effective date of registration: 20201106 Address after: 226600 Shuanglou Road, Qutang Town, Haian City, Nantong City, Jiangsu Province, 198 Patentee after: JIANGSU HAIJIAN Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Futian District Shennan Road and CaiTian Road intersection East Xintiandi Plaza C block 2007-27 Patentee before: KUANG-CHI INTELLIGENT PHOTONIC TECHNOLOGY Ltd. |