CN106023613B - Traffic detecting system and its working method for reacting highway jam situation - Google Patents
Traffic detecting system and its working method for reacting highway jam situation Download PDFInfo
- Publication number
- CN106023613B CN106023613B CN201610595689.6A CN201610595689A CN106023613B CN 106023613 B CN106023613 B CN 106023613B CN 201610595689 A CN201610595689 A CN 201610595689A CN 106023613 B CN106023613 B CN 106023613B
- Authority
- CN
- China
- Prior art keywords
- road conditions
- receiver
- highway
- signal
- transmitter
- 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
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
- G08G1/096783—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a roadside individual element
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
- G08G1/0116—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from roadside infrastructure, e.g. beacons
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
- G08G1/0133—Traffic data processing for classifying traffic situation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Traffic Control Systems (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
The present invention provides a kind of traffic detecting system and its working method for reacting highway jam situation, includes the signal receiving/transmission device being equally spaced along the isolated column or street lamp of both sides of highway；Each signal receiving/transmission device includes being set to the transmitter of highway side, and the receiver to match with the transmitter set on the highway other side, and the transmitter sends signal with fixed frequency to the receiver；The signal number that the receiver will receive in setting time interval sends controller to, and the controller is referred to using the signal number as road conditions, controls road conditions reminding unit, shows road conditions.The system at a lower cost can accurately detect real-time traffic.
Description
Technical field
The present invention relates to road traffic facility fields, are to be related to traffic detecting system and its working method particularly.
Background technology
It is live for the wagon flow of main roads in terms of control of traffic and road, it needs to understand in time and grasp, in order to carry out
The early warning of road wagon flow and management, allow wagon flow effectively to be shunted.Detection for current road traffic road conditions, it is main logical
It crosses traffic camera shooting road surface traffic state and knows；Itself the problem is that, since camera needs to be installed on aerial branch
On frame, therefore, it is limited to cost problem, usually on longer one section of road, only arranges road conditions camera at one；The problem of this causes
It is, when road condition advisory board prompts congestion ahead, to continue to drive to front, since elapsed-time standards is longer, may relieve
Therefore congestion when being detected to road conditions using this kind of aerial road conditions camera system, is limited to cost problem, accurately
Degree is not high.
Invention content
In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of traffic detecting system and its working method, it should
System at a lower cost can accurately detect real-time traffic.
The technical solution adopted by the present invention to solve the technical problems is：The traffic detecting system includes along highway
The signal receiving/transmission device that the isolated column or street lamp of both sides are equally spaced；Each signal receiving/transmission device includes being set to highway side
Transmitter, and the receiver to match with the transmitter set on the highway other side, the transmitter is with fixed frequency
Rate sends signal to the receiver；The signal number that the receiver will receive in setting time interval, sends controller to, institute
It states controller to refer to using the signal number as road conditions, controls road conditions reminding unit, show road conditions.
Preferably, the signal receiving/transmission device is infrared signal R-T unit, the transmitter is infrared transmitter, institute
It is the infrared remote receiver with the infrared transmitter face to state receiver.
Preferably, the summation for the normal signal number that the controller is received using all receivers is referred to as road conditions, control
Make the road conditions reminding unit；Wherein, the normal signal number, the signal number received in setting time interval for the receiver
Value receive not less than each receiver the 1/2 of average signal number；It is blocked in this way, regional receivers on highway can be excluded,
And the normal situation of other passages of traffic everywhere.
Preferably, the controller according to the signal number, directly judges that road conditions, judgment criterion are：Signal number is bigger,
Then road conditions are better, conversely, road conditions are poorer；And it controls road conditions reminding unit according to road conditions and shows road conditions.
Preferably, the controller includes D/A converter module, rectification filtering module, amplification module；The road conditions carry
Unit of waking up includes synthesis display lamp；The synthesis display lamp includes red light and green light；The red light inputs for constant current, keeps constant
Brightness；The signal number of each receiver output is converted to analog signal by the D/A converter module, and is filtered through the rectification
Wave module is converted to DC micro-electric stream, then the input current after amplification module amplifies as the green light；When the highway without
It is open to traffic, when the signal number that each receiver receives in the setting time interval reaches maximum, the input of the green light
Electric current reaches maximum, at this point, green light reaches maximum brightness, it is 2 ~ 5 times of the red light brightness；By this scheme, when road conditions congestion
When, each receiver is seriously interdicted, and the signal number received in setting time interval is few, leads to the input electricity of the green light
Flow minimum, the synthesis display lamp is mainly contributed by red light and illuminated, and presents red, indicates road conditions congestion；When highway pavement is without vehicle
When current, the signal number that each receiver receives in setting time interval reaches maximum, and the input current of the green light is most
Bigization covered red light, the synthesis display lamp is mainly by green light tribute completely at this point, due to 2 ~ 5 times that the brightness of green light is red light
Illumination is offered, green is presented, indicates that road conditions are splendid；And when vehicle normal pass on highway, the display face of the synthesis display lamp
Color is between red and green, and with road conditions continuous transition.Further, the synthesis display lamp is to be laid along isolated column
LED light bar, interior includes that the red light emitting diodes chip being packaged in same epoxy resin body and green LED are brilliant
Piece.
The advantageous effect of this traffic detecting system is：Due to the signal receiving/transmission device price and its cheap, and
It can be directly arranged on the isolated column or street lamp post of both sides of highway, therefore, can be largely distributed along highway, to accurately
The overall jam situation of highway is reacted, and reacts local conditions no longer unilaterally, keeps road conditions testing result more accurate reasonable.
Description of the drawings
Fig. 1 is the electrical structure of one embodiment of controller and road conditions reminding unit in this traffic detecting system
Schematic diagram.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples：
This traffic detecting system includes the signal receiving/transmission device being equally spaced along the isolated column of both sides of highway；Each institute
It includes the transmitter set on highway side to state signal receiving/transmission device, and is matched set on the highway other side and the transmitter
Receiver, the transmitter and receiver can be infrared transmitter and infrared remote receiver, it is of course also possible to be directional ultrasound
Wave launcher and receiver.
The transmitter sends signal with fixed frequency to the receiver；The receiver will be in setting time interval
The signal number received sends controller to, and the controller is referred to using the signal number as road conditions, and control road conditions are reminded single
Member shows road conditions.
In the embodiment shown in fig. 1, the controller 2 includes D/A converter module 21, rectification filtering module 22, amplification
Module 23；The road conditions reminding unit includes synthesis display lamp 3；The synthesis display lamp includes red light 31 and green light 32；It is described
Red light 31 inputs for constant current, keeps constant brightness；The signal number that the D/A converter module 21 exports each receiver 1 turns
It is changed to analog signal, and DC micro-electric stream, then the conduct after the amplification of amplification module 23 are converted to through the rectification filtering module 22
The input current of the green light 32.
When the highway is without being open to traffic, the signal number that each receiver 1 receives in the setting time interval reaches
When maximum, the input current of the green light 32 reaches maximum, at this point, green light 32 reaches maximum brightness, it is 31 brightness of the red light
2 ~ 5 times；By this scheme, when road conditions congestion, each receiver 1 is seriously interdicted, the letter received in setting time interval
Number is few, causes the input current of the green light 32 minimum, and the synthesis display lamp 3 is mainly contributed by red light 31 and illuminated, and is in
Existing red, indicates road conditions congestion；When highway pavement passes through without vehicle, what each receiver 1 received in setting time interval
Signal number reaches maximum, and the input current of the green light 32 maximizes, at this point, since the brightness of green light 32 is the 2 ~ 5 of red light 31
Times, red light was covered completely, and the synthesis display lamp 3 is mainly contributed by green light 32 and illuminated, and green is presented, and indicates that road conditions are splendid；And
When vehicle normal pass on highway, the display color of the synthesis display lamp 3 connects between red and green with road conditions
Continuous transition.The circuit structure of the embodiment is simple, has abandoned data analysis chip completely, not only system cost has been made effectively to be dropped
It is low, and be hardly damaged, the display color for also achieving synthesis display lamp 3 changes with road conditions continuous transition completely, is no longer
Red, yellow, and green shown by traditional road condition advisory board.
It is reminded to provide the road conditions being seen everywhere to driver at lower cost, the synthesis display lamp 3 is along isolation
The LED light bar that column is laid, interior includes the red light emitting diodes chip and green emitting being packaged in same epoxy resin body
Diode wafer, the red light emitting diodes chip and green LED chip are the red light 31 and green light
32。
In addition, be blocked to exclude regional receivers on highway, and the normal situation of other traffic everywhere passage, i.e.,
Such as, the local side of highway has stopped a vehicle, but does not influence the traffic status of entire highway, at this point, the vehicle should not be made
For the reference of road conditions.Therefore, the summation for the normal signal number that the controller is received using all receivers is referred to as road conditions, control
Make the road conditions reminding unit；Wherein, the normal signal number, the signal number received in setting time interval for the receiver
Value receive not less than each receiver the 1/2 of average signal number；In order to realize that this kind screens in Fig. 1 embodiments, Ke Yiwei
A D/A converter module 21 is respectively configured in each receiver 1, and each D/A converter module 21 is made to be exported respectively to a comparator,
The output signal for judging whether to reject the receiver 1 corresponding to it in comparator, is then further coupled to the rectifying and wave-filtering mould
Block 22, the rectification filtering module 22 can be that each receiver 1 is respectively configured one, all receivers 1 can also be given to configure one
It is a public.
For this traffic detecting system, due to the signal receiving/transmission device price and its cheap, and can directly set
It is placed on the isolated column of both sides of highway, therefore, can be largely distributed along highway, to accurately react the overall congestion feelings of highway
Condition, and local conditions are reacted no longer unilaterally, keep road conditions testing result more accurate reasonable.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (1)
1. a kind of working method of traffic detecting system, it is characterised in that：Traffic detecting system includes along highway
The signal receiving/transmission device that the street lamp of both sides is equally spaced；Each signal receiving/transmission device includes the transmitter set on highway side,
And the receiver to match with the transmitter set on the highway other side, the transmitter are connect with fixed frequency to described
It receives device and sends signal；The signal number that the receiver will receive in setting time interval, sends controller to, the controller with
The signal number is referred to as road conditions, controls road conditions reminding unit, shows road conditions；
The controller（2）Including D/A converter module（21）, rectification filtering module（22）, amplification module（23）；The road conditions
Reminding unit includes synthesis display lamp（3）；The synthesis display lamp includes red light（31）And green light（32）；The red light（31）For
Constant current inputs, and keeps constant brightness；
The working method, including：D/A converter module（21）By each receiver（1）The signal number of output is converted to mould
Quasi- signal, and through the rectification filtering module（22）DC micro-electric stream is converted to, then through amplification module（23）Institute is used as after amplification
State green light（32）Input current；When the highway is without being open to traffic, each receiver receives in the setting time interval
Signal number when reaching maximum, the green light（32）Input current reach maximum, at this point, green light（32）Reach maximum brightness,
For the red light（31）2 ~ 5 times of brightness；
The signal receiving/transmission device be infrared signal R-T unit, the transmitter be infrared transmitter, the receiver be with
The infrared remote receiver of the infrared transmitter face；
The controller directly judges that road conditions, judgment criterion are according to the signal number：Signal number is bigger, then road conditions are better, instead
It, road conditions are poorer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610595689.6A CN106023613B (en) | 2014-12-11 | 2014-12-11 | Traffic detecting system and its working method for reacting highway jam situation |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610595689.6A CN106023613B (en) | 2014-12-11 | 2014-12-11 | Traffic detecting system and its working method for reacting highway jam situation |
| CN201410755642.2A CN104392613B (en) | 2014-12-11 | 2014-12-11 | Traffic detecting system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410755642.2A Division CN104392613B (en) | 2014-12-11 | 2014-12-11 | Traffic detecting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106023613A CN106023613A (en) | 2016-10-12 |
| CN106023613B true CN106023613B (en) | 2018-09-14 |
Family
ID=52610506
Family Applications (9)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610597445.1A Expired - Fee Related CN106056939B (en) | 2014-12-11 | 2014-12-11 | Traffic detecting system and its method of work |
| CN201610597127.5A Expired - Fee Related CN106056937B (en) | 2014-12-11 | 2014-12-11 | A kind of method of work of traffic detecting system |
| CN201610595689.6A Expired - Fee Related CN106023613B (en) | 2014-12-11 | 2014-12-11 | Traffic detecting system and its working method for reacting highway jam situation |
| CN201610594092.XA Active CN106205124B (en) | 2014-12-11 | 2014-12-11 | Can accurate response highway totality jam situation traffic detecting system |
| CN201610596969.9A Active CN106157622B (en) | 2014-12-11 | 2014-12-11 | Traffic detecting system for reacting highway jam situation |
| CN201610597135.XA Active CN106056938B (en) | 2014-12-11 | 2014-12-11 | The method of work of the traffic detecting system of highway jam situation can be reacted |
| CN201610594015.4A Active CN106157620B (en) | 2014-12-11 | 2014-12-11 | A kind of traffic detecting system for being used to react highway jam situation |
| CN201410755642.2A Expired - Fee Related CN104392613B (en) | 2014-12-11 | 2014-12-11 | Traffic detecting system |
| CN201610597223.XA Active CN106128104B (en) | 2014-12-11 | 2014-12-11 | A kind of method of work of traffic detecting system |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610597445.1A Expired - Fee Related CN106056939B (en) | 2014-12-11 | 2014-12-11 | Traffic detecting system and its method of work |
| CN201610597127.5A Expired - Fee Related CN106056937B (en) | 2014-12-11 | 2014-12-11 | A kind of method of work of traffic detecting system |
Family Applications After (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610594092.XA Active CN106205124B (en) | 2014-12-11 | 2014-12-11 | Can accurate response highway totality jam situation traffic detecting system |
| CN201610596969.9A Active CN106157622B (en) | 2014-12-11 | 2014-12-11 | Traffic detecting system for reacting highway jam situation |
| CN201610597135.XA Active CN106056938B (en) | 2014-12-11 | 2014-12-11 | The method of work of the traffic detecting system of highway jam situation can be reacted |
| CN201610594015.4A Active CN106157620B (en) | 2014-12-11 | 2014-12-11 | A kind of traffic detecting system for being used to react highway jam situation |
| CN201410755642.2A Expired - Fee Related CN104392613B (en) | 2014-12-11 | 2014-12-11 | Traffic detecting system |
| CN201610597223.XA Active CN106128104B (en) | 2014-12-11 | 2014-12-11 | A kind of method of work of traffic detecting system |
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| Country | Link |
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| CN (9) | CN106056939B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206036767U (en) * | 2015-10-01 | 2017-03-22 | 魏晓敏 | LED street lamp and LED street lamp system |
| CN110689722B (en) * | 2019-10-18 | 2021-11-23 | 网络通信与安全紫金山实验室 | Highway condition detection device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106205124B (en) | 2018-05-22 |
| CN106056938B (en) | 2018-03-20 |
| CN106128104B (en) | 2018-05-18 |
| CN106056937A (en) | 2016-10-26 |
| CN106205124A (en) | 2016-12-07 |
| CN106157620B (en) | 2018-05-15 |
| CN106157620A (en) | 2016-11-23 |
| CN106056939B (en) | 2018-04-10 |
| CN106157622B (en) | 2018-11-13 |
| CN106023613A (en) | 2016-10-12 |
| CN104392613B (en) | 2016-10-26 |
| CN104392613A (en) | 2015-03-04 |
| CN106056938A (en) | 2016-10-26 |
| CN106056939A (en) | 2016-10-26 |
| CN106157622A (en) | 2016-11-23 |
| CN106056937B (en) | 2018-03-09 |
| CN106128104A (en) | 2016-11-16 |
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