CN201066943Y - Intelligent controller for intercrossed signal lamp without phase restraint - Google Patents
Intelligent controller for intercrossed signal lamp without phase restraint Download PDFInfo
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- CN201066943Y CN201066943Y CNU2007200323268U CN200720032326U CN201066943Y CN 201066943 Y CN201066943 Y CN 201066943Y CN U2007200323268 U CNU2007200323268 U CN U2007200323268U CN 200720032326 U CN200720032326 U CN 200720032326U CN 201066943 Y CN201066943 Y CN 201066943Y
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- signal lamp
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- intersection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model relates to an intersection signal light intelligent controller without phase restriction, which is provided with an industry PC machine. An intersection fixed distributed phase time control module and an intersection intelligent control module are arranged in the industry PC machine. The interval green inspection programs of a conflict signal light are arranged in both of the two modules which are also provided with a plurality of inductors, the driving cards of the intersection signal light, communication cards and so on which are connected with the industry PC machine. The interval green inspection of the conflict signal light is applied to the controller of the utility model, so the beginning time and the ending time of the green light of each signal light are only controlled by the interval green inspection of the conflict signal light instead of phase restriction; the green light control of each signal light is separated, which can realize the technical proposal of various distributed phase time of green lights in each intersection signal light. The utility model provides a necessary control device for reasonable designing the distributed phase time of the intersection signal light, the coordination of the signal, the priority of buses and increasing the traffic efficient in the intersection.
Description
Technical field
The utility model relates to a kind of intersection signal lamp intelligent controller, relates in particular to a kind of intersection signal lamp intelligent controller that does not have phase restriction.
Background technology
The control of intersection signal lamp is to solve the main means that urban transportation is stopped up and conflicted, no matter the existing phase restriction intersection signal lamp controller that is subjected to is that the realization timing is controlled, still realize that the control of self adaptation induced intelligent all is subjected to the constraint of phase place notion, promptly the green light of signal lamp begins and must be consistent the finish time in same phase place, and therefore the green light loss is all arranged during the conversion of signals of collision signal lamp.In addition, adopt and to determine having in the phase place according to this signal lamp place that signal lamp of the maximum volume of traffic required green light is long determines that so many signal lamps have unnecessary green light towards the signal lamp green light length of phase control method.Adopt the combination of the compatible signal lamp of phase control method must be with the mode predefined of phase place, and number of phases is subjected to the restriction of controller, this makes that this control mode is stiff, and be dumb.So, this control poor effect that is subjected to the controller of phase place notion constraint to the crossing.
The utility model content
The purpose of this utility model is at problem in the prior art, a kind of intersection signal lamp intelligent controller that does not have phase restriction is provided, it has replaced phase restriction with the green constraint in interval, make traffic controller under the principle of observing green constraint at interval, realize the separating controlling of each signal lamp, can realize the appropriate design in each signal lamp green light time zone, crossing, improve the traffic efficiency of crossing.
For achieving the above object, solution of the present utility model is as follows:
It has an Industrial PC Computer, in this Industrial PC Computer, be provided with fixedly timing control module of crossing and crossing intelligent control module, the green audit program in interval that in these two modules, all contains a collision signal lamp, on Industrial PC Computer, also be connected with data input/output cards, address card, described address card is used to finish the exchanges data with traffic control center, in Industrial PC Computer, also be provided with clock, be used to fixedly timing control that the standard time is provided; It also has a plurality of inductors, be used to Industrial PC Computer that the main heat transfer agent of time interval between vehicle number, adjacent vehicle, the speed of a motor vehicle, inductor holding time length is provided, these a plurality of inductors constitute by being embedded in the induction coil under all directions road surface, crossing or the video inductor of crossing, and described each inductor output and data input/output cards join; It also has the driver card of intersection signal lamp, and the signal input part of this driver card and its signal lamp detect output and the data input/output cards joins, and each signal lamp of the signal output part of driver card and crossing joins.
The further improvement project of the utility model is as follows:
Module when being provided with the GPS school on Industrial PC Computer, module is used to finish the automatic correcting time of Industrial PC Computer clock during this school.
The utility model has adopted the control method of signal-oriented lamp group in controller, the conversion of signals of collision signal lamp only is subjected to the green at interval constraint of collision signal lamp, does not therefore have the green light loss.The green length of signal lamp is that the volume of traffic that has according to each signal lamp is determined in addition, and therefore, the signal lamp timing more realistic volume of traffic designed according to this method do not have the green light waste.The combination of the compatible signal lamp of this controller does not have the constraint of phase place, can freely arrange in pairs or groups.Therefore, control mode of the present utility model is very flexible, no green light loss, and signal coordinating and public traffic in priority are convenient in no green light waste, can realize the appropriate design in each signal lamp green light interval, improve the traffic efficiency of crossing.Simultaneously, the transition stage of each signal lamp light color conversion is separated the conflict wagon flow fully, has eliminated unsafe hidden danger.
Description of drawings
Fig. 1, functional-block diagram of the present utility model.
One of Fig. 2, driver card circuit theory diagrams.
Two of Fig. 3, driver card circuit theory diagrams.
The signal lamp of cross junction and current direction schematic diagram in Fig. 4, the example 1.
The signal lamp in T-shaped road junction and current direction schematic diagram in Fig. 5, the example 2.
Embodiment
Referring to Fig. 1, this controller has an Industrial PC Computer 1, in Industrial PC Computer, be provided with fixedly timing control module of crossing and crossing intelligent control module, the green audit program in interval that in these two program modules, all contains a collision signal lamp, in Industrial PC Computer, also be provided with clock, for the control of fixedly timing provides correct time.Described fixedly timing control module is used to finish the fixedly control of timing of crossing, be controller according to self clock and the green light of predetermined each signal lamp of crossing begins and the concluding time (i.e. the fixedly timing parameter of each signal lamp of crossing that designs according to green constraint at interval) sends the signal lamp light color and changes instruction, and before sending light color variation instruction, carried out the green inspection in interval of collision signal lamp the green light time started of each signal lamp, the instruction that the signal lamp light color changes can be sent after the green time in the interval that meets the collision signal lamp when the green light time started of this signal lamp; In this fixedly timing control module, also be provided with multiple mode of operation timing module, as above, the pattern of coming off duty, day mode, Night, and can switch its mode of operation according to the instruction of higher level's computer.Described crossing intelligent control module is used to finish the Based Intelligent Control of each signal lamp of crossing that designs according to the green constraint in interval, be that the vehicle detecting information that controller provides according to inductor is sent light color variation instruction, before sending signal lamp light color variation instruction, carry out the green inspection in interval of collision signal lamp earlier, after qualified, send light color again and change instruction.
Also be provided with address card 2 on Industrial PC Computer 1, this address card 2 adopts existing and the supporting address card of Industrial PC Computer, and is connected to fixedly plug-in card connection between them.Described address card is used to finish the exchanges data of Industrial PC Computer and traffic control center, traffic control center can receive this controller job information by address card, as: signal lamp state and inductor state, hence one can see that, and whether signal controller work is normal, traffic control center also can send its mode of operation instruction to controller by address card, for example: upper and lower class pattern, day mode, Night etc. make this controller instruct switching working mode according to this.
Also be provided with an input/output cards 3 on Industrial PC Computer 1, it is used to finish Industrial PC Computer and is connected with input, the output of inductor and driver card.
If this controller adopts the Based Intelligent Control of signal lamp, need establish a plurality of inductors 4, these a plurality of inductors 4 are used for the time interval between sense vehicle number, adjacent vehicle, the speed of a motor vehicle, main induction information such as inductor holding time length, these a plurality of inductors constitute by being embedded in the induction coil under the intersection pavement or the video inductor at each crossing, and the output of described each inductor and data input/output cards 3 join.The induced signal of inductor 4 outputs is sent into Industrial PC Computer 1 by input/output cards 3.
This controller also is provided with the driver card 5 of each signal lamp of crossing, and the detection output and the data input/output cards 3 of the signal input part of described driver card and signal lamp join, and each signal lamp of the signal output part of driver card 5 and crossing joins.The light color that Industrial PC Computer 1 is sent changes instruction and delivers to driver card 5 by input/output cards 3, by the variable color of driver card drive signal lamp.
Referring to Fig. 1,2,3, described driver card 5 is made up of the drive circuit of each light color signal lamp, the corresponding drive circuit of the signal lamp of each light color, this drive circuit comprises the control loop of signal lamp and carries out the loop, the control loop of described signal lamp is by photoisolator 51, comparator 52, multiplex driver 53 and solid-state relay 54-1 connect and compose successively by the signal order of transmission, described execution loop is by solid-state relay switch 54-2, formation that diode bridge rectifier circuit 55 and signal lamp 6 are connected back and the 220V civil power joins, in the diode bridge rectifier circuit 55 in this execution loop, insert the testing circuit of a signal lamp 6, this testing circuit constitutes by detecting the loop and detecting output circuit, detects the loop mainly by resitstance voltage divider R9, R10, the light-emitting diode series connection of photoisolator 57 constitutes; Detecting output circuit is connected and composed by the photosensitive receiving tube in the photoisolator 57 and a triode switch 58.When Industrial PC Computer is sent light color variable color instruction, this command signal enters comparator 52 by photoisolator 51, comparator 52 with this signal and reference level relatively, when signal during greater than reference level, comparator 52 output useful signals then, this useful signal is sent into multiplex driver 53, by driving, the one tunnel makes corresponding diode indicator light 59 bright, and solid-state relay 54-1 is given on another road, its switch 54-2 is connected, and then signal lamp 6 is bright; If the LED light-emitting diode of signal lamp 6 burns out and disconnects, then carry out the loop and disconnect, at this moment, the light that detects the loop ends every 57, and then triode switch 58 ends, detection signal end output high level; When signal lamp 6 normal connections, detection signal end output low level.This detection signal returns to input/output cards 3, and sends Industrial PC Computer 1 back to by input/output cards 3, and Industrial PC Computer is controlled as requested and respectively organized the yellow sudden strain of a muscle of signal lamp, and can report to traffic control center by address card 2, and traffic control center sends someone to repair as early as possible.
Example 1
Referring to Fig. 4, with " Urban Road Traffic Design guide " (Yang Xiaoguang work, ISBN7-114-04689-8) one in the design process of P171 page signal crossing is exemplified as example, V1～V12 is a signalling light for vehicle among the figure, P13～P16 is People's Bank of China's signal lamp, solid arrow indicates the vehicle pass-through direction, and dotted arrow indicates the current direction of People's Bank of China.
The green time of interval of above-mentioned intersection signal lamp conflict is as shown in table 1:
Table 1
". " expression two signal lamps do not conflict in the table 1, the green at interval minimum time of " numeral " expression two signal lamp conflicts, and " * " is useless lattice.As: the crossing value of the row at the row at signal lamp V1 place and signal lamp V5 place is 3 in the table, and this numeral promptly is the green light minimum green interlude value (3 seconds) zero hour of the signal lamp V1 green light finish time and signal lamp V5.Satisfying between the green at interval green zone that requires signal lamp is the necessary condition that guarantees that the conflict wagon flow does not bump, this controller is before sending signal lamp variable color instruction, must be by green inspection at interval, promptly must satisfy two green time values in collision signal lamp minimum interval, thereby thoroughly eliminate hidden danger.
The utility model is tested with computer simulation, respectively existing phase restriction controller and this controller has been carried out the analogue simulation experiment at above-mentioned crossing, and its result is as follows:
1, the existing control result of phase restriction controller in a current cycle is as shown in table 2:
Table 2
2, the control result of this controller in a transit time is as shown in table 3:
Table 3
The green time of lath representative each signal lamp in 120 seconds current cycle in the above-mentioned table 2,3.The green time of each signal lamp in table 2 and the table 3 is compared, and obviously, the green time of each signal lamp of table 3 increases a lot than table 2.According to table 3, the green light of its same phase signal lamp begins and does not need the finish time to be consistent, can be according to the pairing volume of traffic size of each signal lamp, the green light of each signal lamp begin and the green zone of the finish time between can rationally determine, the utility model has run through the design concept of no phase restriction, its use realized the separating controlling between each signal green zone, so can obviously improve the traffic efficiency of crossing.
Example 2
Referring to Fig. 5, T-junction mouth is intersected by thing major trunk roads and a north side branch road and constitutes, and has 6 signal lamps, and the controlling schemes of its intelligent signal design is: the north side branch road only when vehicle arrives signal lamp ability green by red stain.Controller determines that according to inductor information the north side props up road vehicles and whether arrive, and after the green passed examination in interval by conflict, sends the signal lamp light color and change instruction.Light color changes instruction and arrives driver card by output card, and driver card changes the corresponding signal lamp of instruction open and close according to the light color of receiving.When the difference of this example and existing phase controller is that propping up road vehicles in north arrives, this controller send the signal lamp light color change instruction can be only at the vehicle corresponding signal lamp that arrives, rather than be at arrive all signal lamps of corresponding signal lamp place phase place of vehicle as phase controller.For example: when only having the right-hand rotation vehicle to arrive on the branch road of north side, only send east side craspedodrome signal lamp by the green instruction that reddens, west side craspedodrome, left-hand rotation and east side right turn signal lamp are still green light.And existing phase controller, when branch road right-hand rotation vehicle in north side arrived, thing major trunk roads signal lamp reddened by green, and keep straight in the west side, and left-hand rotation and east side right-hand rotation car are also hindered.
In addition, it is necessary that the unanimity of controller time standard is coordinated control to the signal lamp at a plurality of crossings on the road, therefore, for making the time standard unanimity of each local controller on the road, module when machine is provided with the GPS school on the Industrial PC of this controller, this module is used to finish the automatic correcting time of Industrial PC Computer clock.Can guarantee when adopting above-mentioned GPS school the time accurately, certainly, also can the wireless remote control calibration etc. alternate manner, but convenient and accuracy height when all not having the GPS school.
Claims (2)
1. intersection signal lamp intelligent controller that does not have phase restriction is characterized in that:
1.1, it has an Industrial PC Computer (1), in this Industrial PC Computer, be provided with fixedly timing control module of crossing and crossing intelligent control module, the green audit program in interval that in these two modules, all contains a collision signal lamp, on Industrial PC Computer, also be connected with data input/output cards (3), address card (2), described address card is used to finish the exchanges data with traffic control center, in Industrial PC Computer, also be provided with clock, be used to fixedly timing control that the standard time is provided;
1.2, it also has a plurality of inductors (4), be used to Industrial PC Computer that the main heat transfer agent of time interval between vehicle number, adjacent vehicle, the speed of a motor vehicle, inductor holding time length is provided, these a plurality of inductors constitute by being embedded in the induction coil under all directions road surface, crossing or the video inductor of crossing, and described each inductor output and data input/output cards (3) join;
1.3, it also has the driver card (5) of intersection signal lamp, the signal input part of this driver card and its signal lamp detect output and data input/output cards (3) joins, each signal lamp (6) of the signal output part of driver card and crossing joins.
2. the intersection signal lamp intelligent controller of no phase restriction according to claim 1, it is characterized in that: module when being provided with the GPS school on Industrial PC Computer (1), module is used to finish the automatic correcting time of Industrial PC Computer clock during this school.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200323268U CN201066943Y (en) | 2007-07-24 | 2007-07-24 | Intelligent controller for intercrossed signal lamp without phase restraint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200323268U CN201066943Y (en) | 2007-07-24 | 2007-07-24 | Intelligent controller for intercrossed signal lamp without phase restraint |
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| Publication Number | Publication Date |
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| CN201066943Y true CN201066943Y (en) | 2008-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007200323268U Expired - Fee Related CN201066943Y (en) | 2007-07-24 | 2007-07-24 | Intelligent controller for intercrossed signal lamp without phase restraint |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976510A (en) * | 2010-10-26 | 2011-02-16 | 隋亚刚 | Method for optimally controlling crossing vehicle signal under high definition video detection condition |
| CN108682168A (en) * | 2018-05-15 | 2018-10-19 | 哈尔滨工业大学 | A kind of speed guiding system and method reducing signal intersection parking |
| CN108898840A (en) * | 2018-05-08 | 2018-11-27 | 江苏理工学院 | A kind of intelligent traffic lamp control method based on video monitoring |
| CN113470379A (en) * | 2020-03-31 | 2021-10-01 | 云南金隆伟业电子有限公司 | Traffic signal machine phase acquisition and transmission method and device |
-
2007
- 2007-07-24 CN CNU2007200323268U patent/CN201066943Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976510A (en) * | 2010-10-26 | 2011-02-16 | 隋亚刚 | Method for optimally controlling crossing vehicle signal under high definition video detection condition |
| CN108898840A (en) * | 2018-05-08 | 2018-11-27 | 江苏理工学院 | A kind of intelligent traffic lamp control method based on video monitoring |
| CN108682168A (en) * | 2018-05-15 | 2018-10-19 | 哈尔滨工业大学 | A kind of speed guiding system and method reducing signal intersection parking |
| CN108682168B (en) * | 2018-05-15 | 2020-09-22 | 哈尔滨工业大学 | Vehicle speed guiding system and method for reducing stopping at signalized intersection |
| CN113470379A (en) * | 2020-03-31 | 2021-10-01 | 云南金隆伟业电子有限公司 | Traffic signal machine phase acquisition and transmission method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080528 Termination date: 20100724 |