CN202404759U - Intersection signal priority control system for specific vehicle - Google Patents
Intersection signal priority control system for specific vehicle Download PDFInfo
- Publication number
- CN202404759U CN202404759U CN2011205492818U CN201120549281U CN202404759U CN 202404759 U CN202404759 U CN 202404759U CN 2011205492818 U CN2011205492818 U CN 2011205492818U CN 201120549281 U CN201120549281 U CN 201120549281U CN 202404759 U CN202404759 U CN 202404759U
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- specific vehicle
- crossing
- vehicle
- signal
- priority
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Abstract
The utility model provides an intersection signal priority control system for a specific vehicle, which can automatically and rapidly perform a prior evacuation function for the specific vehicle which is provided with a vehicle location unit. The system determines a passing priority phase position of the specific vehicle according to the traveling direction of the specific vehicle, the time for providing a passing priority signal for the specific vehicle is determined based on the running speed of the specific vehicle and the distance between the specific vehicle and the center of an intersection, and when the time for providing the passing priority signal for the specific vehicle comes, the system automatically provides a prior go-ahead signal for the specific vehicle. After the specific vehicle passes through the intersection, the passing priority signal can be automatically cancelled so that the influence on the normal traffic is reduced.
Description
Technical field
The utility model relates to intelligent transportation control technology field, is specifically related to a kind of specific vehicle crossing signal priority control system.
Background technology
Urban highway traffic pressure is very big at present.Though road conditions and traffic signals facility are greatly improved, the rare problem of driving a vehicle remains the subject matter of urban highway traffic.Traffic congestion, traffic congestion phenomenon still are the outstanding problems of puzzlement urban transportation.Particularly in the big city of road passage capability difference, the traffic congestion problem is more serious.Therefore when the specific vehicle of priority pass needing to occur (as the ambulance that carries out urgent rescue, carry out the fire fighting task fire engine, carry out special duty's car of special public affair etc.), tend to cause time delays because the crossing that is blocked up stops.Owing to switch according to the Automatic Program of setting during the signal lamp state at crossing, can't discern and the signal of priority pass is provided above-mentioned specific vehicle for it.
To the problems referred to above; Many system and methods that the prior-release signal can be provided for specific vehicle have been proposed in the prior art; A kind of traffic pass signals control method and control device are disclosed like patent documentation CN101710451A; This system comprises micro treatment module, priority pass signal detection module; The signal lamp driver module, micro treatment module is through the state of signal lamp driver module control signal lamp, and micro treatment module is divided into common current phase place and priority pass phase place with the signal lamp phase sets; Include one or more subclass in common current phase place and the priority pass phase place, comprise one or more current phase places in each subclass; When not having the application of priority pass signal; The traffic pass signals control device is with common current phase sets operation; After the traffic pass signals control device receives the application of priority pass signal through the priority communication signal detection module; The common current phase sets that then the traffic pass signals control device interrupts or termination is moving, with the operation of priority pass phase sets, the control traffic lights move with the priority pass phase sets.When the traffic pass signals control device receives the application of priority pass signal,, then treat to return former phase place continuation operation behind the priority pass phase place end of run if interrupt the phase place of current operation; If end the phase place of current operation, then behind priority pass phase place end of run, no longer return former phase place, but select the next phase place operation of former phase place.Adopt this technical scheme to implement prior-release to the vehicle that proposes the priority pass application.But also there is following problem:
In the technique scheme; Owing to be that vehicle initiatively sends the priority pass request; Wherein there are many uncertain factors,, and when it is very near apart from the crossing, just send the priority pass request if for example Vehicle Speed is very fast; And the traffic pass signals control device receives this request and accepts and needs the regular hour, and vehicle possibly go to the place, crossing and belisha beacon also has little time for it priority pass phase place to be provided already in this process; Similarly, if Vehicle Speed is very slow, when it is far away apart from the crossing, just sent the priority pass request; And the traffic pass signals control device receives this request and accepts; For it provides the priority pass phase place,,, it locates to the crossing for providing after the priority pass signal long period vehicle also not go because Vehicle Speed is slower; For providing the priority pass signal, vehicle lost meaning like this, but also can be to the current adverse influence of bringing of normal traffic.
The utility model content
The utility model is to be solved by the prior art device receives traffic signal control vehicle access initiative to send a request signal preemption priority traffic signals for the vehicle to provide a result of excessive speed because vehicle too late to provide priority access signal or due to vehicle too slow and premature signals to provide priority access technical problems affecting the normal traffic and thus provide an actual traveling speed of the vehicle and the position is expected to reach the intersection of their time to provide priority access signals based on a specific vehicle GPS positioning signal junctions priority control system.
For solving the problems of the technologies described above, the utility model provides a kind of specific vehicle crossing signal priority control system, comprising:
Vehicle locating unit is arranged on the specific vehicle, obtains the location coordinate information and the travel speed of specific vehicle in real time;
The Data Receiving processing unit is arranged at the place, crossing, is connected with said vehicle locating unit communication, receives the location coordinate information and the travel speed information of said specific vehicle; Its change in location according to said specific vehicle is judged the travel direction of said specific vehicle; Calculate the distance between said specific vehicle and crossing according to the position coordinates of said specific vehicle and the position coordinates at center, crossing, and combine the travel speed of said specific vehicle to judge that said specific vehicle arrives the required time T in crossing
0
The steering order output unit: it is connected with said Data Receiving processing unit, and the travel direction that receives said specific vehicle is to confirm the priority pass phase place; Receive said specific vehicle and arrive the required time T in crossing
0, with the triggering control time T of its storage inside
1Comparing provides the time of priority pass signal to confirm as said specific vehicle; Work as T
0≤T
1The time, export preferential steering order to signal lamp control module;
The signal lamp control module: in current phase sequence scheme, insert the priority pass phase place that said steering order output unit is confirmed, the control signal lamp is that said specific vehicle provides the priority pass signal.
Said vehicle locating unit is the GPS locating module.
Said Data Receiving processing unit comprises GIS ground module, obtains the position coordinates at center, crossing through GIS ground module.
The above-mentioned technical scheme of the utility model compared with prior art has following beneficial effect:
1. thereby the utility model travel direction of judging specific vehicle through the variation of the location coordinate information of the specific vehicle obtaining vehicle locating unit and record can be judged the phase place that the priority pass signal is provided for specific vehicle; The travel speed through obtaining specific vehicle and the distance at specific vehicle and center, crossing can infer that specific vehicle arrives the time at crossing, are that specific vehicle provides the priority pass signal thereby select suitable opportunity.Thus, be that suit, appropriate for specific vehicle provides the opportunity of priority communication signal, can obtain according to the actual speed of specific vehicle, therefore effectively avoided because specific vehicle is initiatively sent the uncertainty that the priority pass request signal brings.
2. the utility model is after providing the priority pass signal for specific vehicle; Also can continue to monitor the position of specific vehicle; When finding specific vehicle through the crossing; Just can be automatically the variation of traffic lights be returned to normal phase-sequence meter, can effectively reduce specific vehicle through the time to the influence of normal traffic.
Description of drawings
For the content that makes the utility model is more clearly understood, below and in conjunction with the accompanying drawings, the utility model is described in further detail according to the specific embodiment of the utility model.
Fig. 1 is the theory diagram of the utility model specific vehicle crossing priority control system;
Fig. 2 is the process flow diagram of the utility model specific vehicle crossing priority control method;
Fig. 3 is a normal phase sequence scheme table among the utility model embodiment;
Fig. 4 is the phase-sequence meter after the insertion priority pass phase place among the utility model embodiment
Embodiment
Present embodiment provides a kind of specific vehicle crossing signal priority control system, and as shown in Figure 1, it comprises:
Vehicle locating unit is arranged on the specific vehicle, obtains the location coordinate information and the travel speed of specific vehicle in real time;
The Data Receiving processing unit is arranged at the place, crossing, is connected with said vehicle locating unit communication, receives the location coordinate information and the travel speed information of said specific vehicle; Its change in location according to said specific vehicle is judged the travel direction of said specific vehicle; Calculate the distance between said specific vehicle and crossing according to the position coordinates of said specific vehicle and the position coordinates at center, crossing, and combine the travel speed of said specific vehicle to judge that said specific vehicle arrives the required time T in crossing
0
The steering order output unit: it is connected with said Data Receiving processing unit, and the travel direction that receives said specific vehicle is to confirm the priority pass phase place; Receive said specific vehicle and arrive the required time T in crossing
0, with the triggering control time T of its storage inside
1Comparing provides the time of priority pass signal to confirm as said specific vehicle; Work as T
0≤T
1The time, export preferential steering order to signal lamp control module;
The signal lamp control module: in current phase sequence scheme, insert the priority pass phase place that said steering order output unit is confirmed, the control signal lamp is that said specific vehicle provides the priority pass signal.
As the mode that can implement, said vehicle locating unit is the GPS locating module.
As the mode that can implement, said Data Receiving processing unit comprises GIS ground module, obtains the position coordinates at center, crossing through GIS ground module.
Present embodiment also provides a kind of vehicle intersection method for controlling priority, comprises the steps:
I. through being arranged at the vehicle locating unit on the specific vehicle, obtaining the location coordinate information and the travel speed of specific vehicle in real time and be sent to the Data Receiving processing unit that is arranged at the crossing;
II. said Data Receiving processing unit is judged the travel direction of said specific vehicle according to the change in location of said specific vehicle; Calculate the distance between said specific vehicle and crossing according to the position coordinates of said specific vehicle and the position coordinates at center, crossing, and combine the travel speed of said specific vehicle to judge that said specific vehicle arrives the required time T in crossing
0
III. the steering order output unit receives the required time T of travel direction and said specific vehicle arrival crossing of said specific vehicle
0:
Confirm the priority pass phase place through the travel direction of said specific vehicle;
Arrive the required time T in crossing through more said specific vehicle
0Triggering control time T with its storage inside
1, confirm as the time that said specific vehicle provides the priority pass signal: work as T
0≤T
1The time, export preferential steering order to signal lamp control module;
IV. the signal lamp control module inserts the priority pass phase place that said steering order output unit is confirmed in current phase sequence scheme, and the control signal lamp is that said specific vehicle provides the priority pass signal.
Preferably, said process also comprises the steps:
V. said Data Receiving processing unit continues to receive the positional information of said specific vehicle, compares with the position coordinates at center, crossing, whether has passed through the crossing to judge said specific vehicle;
When VI. the steering order output unit receives said specific vehicle through the crossing, the information of the preferential steering order of end of output to said signal lamp control module; Said signal lamp control module is removed said priority pass phase place, recovers normal phase sequence scheme.
The workflow diagram of the utility model said method is as shown in Figure 2, is the example explanation with specific vehicle from going towards the crossing from west to east below.
Shown in Figure 3 is normal phase sequence scheme table; If the current phase place of carrying out is a phase place 2 when detecting from the specific vehicle gone in the west side, crossing; Then in the phase place of one of the back of phase place 2 insertion " left side, west is straight right " and phase locking, the phase-sequence meter after the insertion priority pass phase place is as shown in Figure 4.After specific vehicle is passed through the crossing, remove phase locking again and from the phase sequence scheme, delete a priority pass phase place of inserting recovery normal phase bit table, continuation excute phase 3.
Obviously, the foregoing description only be for explanation clearly done for example, and be not qualification to embodiment.For the those of ordinary skill in affiliated field, can also make other multi-form variation or change on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the invention.
Claims (3)
1. specific vehicle crossing signal priority control system is characterized in that: comprising:
Vehicle locating unit is arranged on the specific vehicle, obtains the location coordinate information and the travel speed of specific vehicle in real time;
The Data Receiving processing unit is arranged at the place, crossing, is connected with said vehicle locating unit communication, receives the location coordinate information and the travel speed information of said specific vehicle; Its change in location according to said specific vehicle is judged the travel direction of said specific vehicle; Calculate the distance between said specific vehicle and crossing according to the position coordinates of said specific vehicle and the position coordinates at center, crossing, and combine the travel speed of said specific vehicle to judge that said specific vehicle arrives the required time T in crossing
0
The steering order output unit: it is connected with said Data Receiving processing unit, and the travel direction that receives said specific vehicle is to confirm the priority pass phase place; Receive said specific vehicle and arrive the required time T in crossing
0, with the triggering control time T of its storage inside
1Comparing provides the time of priority pass signal to confirm as said specific vehicle; Work as T
0≤T
1The time, export preferential steering order to signal lamp control module;
The signal lamp control module: in current phase sequence scheme, insert the priority pass phase place that said steering order output unit is confirmed, the control signal lamp is that said specific vehicle provides the priority pass signal.
2. specific vehicle according to claim 1 crossing signal priority control system is characterized in that:
Said vehicle locating unit is the GPS locating module.
3. specific vehicle crossing priority control system according to claim 1 and 2 is characterized in that:
Said Data Receiving processing unit comprises GIS ground module, obtains the position coordinates at center, crossing through GIS ground module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205492818U CN202404759U (en) | 2011-12-23 | 2011-12-23 | Intersection signal priority control system for specific vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205492818U CN202404759U (en) | 2011-12-23 | 2011-12-23 | Intersection signal priority control system for specific vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN202404759U true CN202404759U (en) | 2012-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205492818U Expired - Lifetime CN202404759U (en) | 2011-12-23 | 2011-12-23 | Intersection signal priority control system for specific vehicle |
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| CN (1) | CN202404759U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065481A (en) * | 2012-12-19 | 2013-04-24 | 江苏省智通交通科技有限公司 | Special vehicle signal priority control system |
| CN105118306A (en) * | 2015-09-07 | 2015-12-02 | 活点信息技术有限公司 | Big data mode-based user request type signal machine automatic control system and method |
| CN105489029A (en) * | 2015-12-21 | 2016-04-13 | 安徽科力信息产业有限责任公司 | Traffic signal machine control method for priority passage of extraordinary vehicle |
| WO2017045147A1 (en) * | 2015-09-16 | 2017-03-23 | 华为技术有限公司 | Method and apparatus for controlling passing of vehicle at road intersection |
| CN114120623A (en) * | 2020-08-28 | 2022-03-01 | 长沙智能驾驶研究院有限公司 | Road right distribution and supervision method and device |
| CN115035729A (en) * | 2021-03-04 | 2022-09-09 | 海信集团控股股份有限公司 | Traffic signal control method, device and system |
-
2011
- 2011-12-23 CN CN2011205492818U patent/CN202404759U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065481A (en) * | 2012-12-19 | 2013-04-24 | 江苏省智通交通科技有限公司 | Special vehicle signal priority control system |
| CN105118306A (en) * | 2015-09-07 | 2015-12-02 | 活点信息技术有限公司 | Big data mode-based user request type signal machine automatic control system and method |
| WO2017045147A1 (en) * | 2015-09-16 | 2017-03-23 | 华为技术有限公司 | Method and apparatus for controlling passing of vehicle at road intersection |
| CN105489029A (en) * | 2015-12-21 | 2016-04-13 | 安徽科力信息产业有限责任公司 | Traffic signal machine control method for priority passage of extraordinary vehicle |
| CN114120623A (en) * | 2020-08-28 | 2022-03-01 | 长沙智能驾驶研究院有限公司 | Road right distribution and supervision method and device |
| CN115035729A (en) * | 2021-03-04 | 2022-09-09 | 海信集团控股股份有限公司 | Traffic signal control method, device and system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120829 |
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| CX01 | Expiry of patent term |