CN1101580C - Traffic control system for crossroad in urban area - Google Patents
Traffic control system for crossroad in urban area Download PDFInfo
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- CN1101580C CN1101580C CN 97115854 CN97115854A CN1101580C CN 1101580 C CN1101580 C CN 1101580C CN 97115854 CN97115854 CN 97115854 CN 97115854 A CN97115854 A CN 97115854A CN 1101580 C CN1101580 C CN 1101580C
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Abstract
The present invention relates to an urban road level-crossing traffic management system which is composed of a controller and signal devices, wherein each signal device comprises command signal lamps, and a command signal stop line (III) is positioned at a controlled crossing. The present invention is characterized in that the urban road level-crossing traffic management system is provided with a left turn marking signal, a straight-going marking signal, a right turn marking signal, grouping signal lamps working synchronously with the command signal lamps, and the command signal lamps corresponding to every crossing; each command signal lamp is provided with grouping lamps (II, I); the corresponding grouping stop lines (II and I) are arranged on the road surface of the corresponding controlled crossing from the command signal stop line III near to far in a depth mode. The present invention can greatly enhance the work efficiency of crossings and reduce the traffic congestions. The present invention has the advantages of little investment and obvious effect.
Description
The present invention relates to traffic control system.More particularly, it is a kind of traffic control system that is applied in crossroad in urban area, constitute by control device and telltale, described telltale comprises the command signal lamp of the three kinds of marking signals that have left-hand rotation, keep straight on and turn right, and the corresponding command signal that is provided with stops adding fare and is positioned on the controlled road junction.
For a long time, the traffic control system for crossroad in urban area overwhelming majority is an autonomous device craspedodrome command signal lamp on the road junction, and the vehicle of various direct of travels irregularly enters the road junction at random, waits for current green light.In case the craspedodrome green light is glittering, each vehicle is according to traffic-police's commander, or craspedodrome or turning, and therefore this management system can't break away from traffic-police's gesture commander owing to do not provide turn signal.No matter in freezing winter and in sultry summer, traffic-police will adhere to that on " three chi platforms ", this is a laborious task.
In order to improve the automaticity of management, a kind of novel telltale is adopted in more existing areas, this device have left-hands rotation ←, keep straight on ↑ and → three kinds of marking signals of turning right, can realize craspedodrome and the modulating signal of turning on comprehensive is commanded.
But, no matter be the modulating signal commander on comprehensive, still the semi-automatic commander who is aided with traffic police's gesture, the common issue with of existence is, because the randomness of vehicle when entering the road junction of each direct of travel, it is unordered that vehicle is arranged in the road junction, the vehicle of different direct of travels mixes mutually, causes to stop the peak period, this mutual stopping had a strong impact on the passage rate on the road junction, makes the road junction work efficiency be subjected to very big restriction.
The objective of the invention is to avoid above-mentioned weak point of the prior art, a kind of novel traffic control system for crossroad in urban area is provided,, reduce traffic jam so that improve the work efficiency at road junction.
Purpose of the present invention is achieved through the following technical solutions.
The present invention is made of control device and telltale, described telltale comprises command signal lamp and the command signal stop line III that stops under this signal lamp commander, wherein, signal lamp is positioned on the controlled road junction, and stop line III is positioned at after the zebra crossing of controlled road surface.
Characteristics of the present invention are on controlled road, marshalling lamp II that depth setting near and far is synchronoused working with signal lamp from the road junction and marshalling lamp I; On controlled road surface, automatic stop fare III rises, and depth near and far is arranged on marshalling stop line II that stops under the marshalling lamp III commander and the marshalling stop line 1 that stops under marshalling lamp I commander; Described signal lamp and marshalling lamp II, marshalling lamp I all have left-hands rotation ←, keep straight on ↑ and → three kinds of marking signals of right-hand rotation.
Compared with the prior art, the present invention has following advantage:
1, the present invention expands original road junction point duty to " face " (near the road surface road junction and the road junction) by " point " (on the road junction).Under the commander of marshalling signal lamp, vehicle is just arranged according to direct of travel when the no show road junction in advance in order.Like this, can significantly reduce the different direct of travel vehicles that enter behind the road junction stopping each other, shorten the hold-up time in the road junction, can improve the work efficiency at road junction effectively, be the effective way of improving existing road junction traffic jam situation.The vehicle that utilizes the present invention to organize into groups can be simultaneously on six-lane three advance three and goes out, and also can two on Four-Lane Road advance two and go out, be more than the twice of road junction handling capacity under the prior art management system.
2, the present invention can be applicable to various forms of cities level crossing, not influenced by road conditions, and 3-8 track, fast traffic lane all can be organized into groups, and need not to transform road, and its investment is little, income is big.
Fig. 1 is the telltale of the present invention synoptic diagram of arranging.
Fig. 2 is a system block diagram of the present invention.
Fig. 3 is a control device governor circuit schematic diagram of the present invention.
Fig. 4 is the universal decoding scheme schematic diagram of control device of the present invention.
Fig. 5 is telltale circuit theory diagrams of the present invention.
Fig. 6 simulates the display circuit schematic diagram for the present invention.
By the following examples, in conjunction with the accompanying drawings the present invention is further described.
Embodiment:
Figure 1 shows that the signal of an East and West direction and intersection, two road, north-south, East and West direction is the six-lane road surface, and the north-south is the Four-Lane Road road surface.Shown in the figure,, command signal lamp 3, marshalling lamp II2 and marshalling lamp I1 are set respectively on the road junction and road surface in south orientation north, corresponding be provided with be stop line III6, marshalling stop line II5 and marshalling stop line I4.Wherein, stop line III6 is 20M apart from zebra crossing 7, is starting, speed-raising district around here; Depth 80M to the south is stop line II5 to stop line III6 along the road surface, is marshalling district II around here; Depth 100M to the south is stop line I4 to stop line II5 along the road surface, is marshalling district I around here; Depth to the south is area in preparation to stop line I4 along the road surface.
In addition, the track dividing condition is:
Area in preparation, the left-hand lane mark ← ↑, the right-hand lane mark →.
Marshalling district I, the left-hand lane mark ←, the right-hand lane mark ↑ →.
Marshalling district II, the left-hand lane mark ← ↑ →, the right-hand lane mark ← ↑ →.
In the present embodiment, each organize into groups lamp and command signal lamp all have left-hand rotation ←, keep straight on ↑ and → three travel direction signals of right-hand rotation, red, yellow, green state variable color coloured silk on same display of each side is finished.This structure setting one of lamp state rolling of the same colour is shown more clearly, and can save a large amount of devices.
The marshalling method of operation is as follows:
Under shunting mark and the indication of marshalling signal lamp:
1, be in vehicle in the area in preparation, right-hand rotation person sails right-hand lane into, turns left and straight passerby goes into left-hand lane.
2, right-hand rotation person is parked in outside the right-hand lane stop line I, straight was crossed stop line II after left-hand rotation person crossed stop line I from left-hand lane, entered marshalling district II, divided left and right track to wait for outside stop line III, thereafter vehicle is at marshalling lamp II ← when reddening, wait for outside stop line II.After straight passerby crosses stop line I from left-hand lane, sail right-hand lane into, under ↑ red light phase, rest on beyond the stop line II.
3, be divided into left turning vehicle that left and right two pass stops when command signal lamp ← green, two-way travels and crosses stop line III and enter the speed-raising district, passes zebra crossing and turns left current.
The through vehicles of wait outside stop line II trailed left-hand rotation and divided left and right two pass to wait to pass through at marshalling district II under marshalling lamp II ↑ green light.
The right-hand rotation vehicle of wait outside stop line I crossed stop line I by right-hand lane when marshalling lamp I → green, afterwards, when marshalling lamp II → green, cross stop line II from right-hand lane, enters marshalling district II, divides left and right two pass to wait to pass through.
When marshalling lamp I → green, marshalling lamp I it ← ↑ redden, left-hand rotation, the through vehicles by stop line I do not rest on beyond the left-lane stop line I, allows the right-hand rotation vehicle pass-through.
The current mode in road junction is as follows:
1, command signal lamp in road junction is according to first left-hand rotation, and keep straight in the back, the method for operation of turning right again work.
2, when the north-south carried out, East and West direction was carried out right-hand rotation simultaneously, and vice versa.Through vehicles is to travel relatively in north and south (or thing).
Cycle period:
Work period with the signal command lamp is a cycle period T.
Marshalling lamp I turns left, the green state time of craspedodrome is 2/3T+3S (driver's reaction period, speed-raising starts to walk).
The marshalling lamp I green state of turning right is 1/3T+3S.
A marshalling lamp II left side, straight, right green state are respectively 1/3T+3S.
A command signal lamp left side, straight, right green state are respectively 1/4T+6S.
Referring to Fig. 2, it is primary controller that native system adopts single-chip microcomputer, makes full use of the high integration of this single-chip microcomputer, the characteristics of stable performance, is combined into the multi-computer communication system of a multiprocessor.Single-chip microcomputer is as main frame, send 8 continuous bit codes (being divided into address and numeric data code), by serial port output baud rate 9600bit/s, by signal amplification circuit 8 bit codes being transported to respectively organizes in the code translator, code translator after number is received accurately, is respectively organized gauge tap through outer reason driving also by the single-chip microcomputer operation, and then the keying of control corresponding signal lamp group, reach the purpose of commanding marshalling.
Referring to Fig. 3, the governor circuit that control device adopts single-chip microcomputer IC1 89C2051 to constitute, port P1.0-P17, P3.0, P3.2 and the P3.4 of single-chip microcomputer IC1 reads keyboard signal through interface LJ1 12PIN, in its port P3.1 output serial address and data, after optocoupler 10 4N38, triode P1 amplify, D5 sends at plug, and sends simulation video data and shift pulse signal by port P35, P37 through interface LJ2 4PIN.
As shown in Figure 3, in governor circuit,, form the RST circuit that resets by resistance R 6, R9, diode D4 and amplifier IC2:A, IC2:B by the 5V power supply road that rectifying device D6, ID7, D8, D9, resistance R 8 and three terminal regulator 3T3 constitute.Electric battery B1, resistance R 1 and capacitor C 4 and E3 constitute the standby power supply circuit.
After the governor circuit energized, directly be reset to original state, the duty of keying in according to keyboard is carried out control then.
Referring to Fig. 4, between every group of marshalling signal lamp and described governor circuit, universal decoding scheme is set, this decoding scheme is made of single-chip microcomputer 4IC1 and row switch 4IC3, control signal by 13,12 inputs of interface 4LJ1 16PIN end pin is connected to single-chip microcomputer 4IC1 port 4P3.0 through optocoupler 11, amplifier 4IC2:A, and single-chip microcomputer 4IC1 carries out signal in port 4P1.5-4P1.7,4P3.1-4P35 output;
In the present embodiment, it is universal that design of encoder becomes, and each decoding scheme plate can be controlled nine gauge tap simultaneously, like this, can save cost greatly.Code translator is after receiving one group of serial code at every turn, being transformed into corresponding binary code, compare with the address code that is provided with by row switch IC3, at the output line output level "0" of correspondence, deliver to gauge tap again, at this moment, controlled terminal still is not a level"1".
Referring to Fig. 5, telltale adopts the gauge tap that is made of photoelectrical coupler 01-09 and bidirectional triode thyristor T1-T9.
Under the low level control signal effect that corresponding code translator is sent here, connect the 220V AC power, owing to adopt controllable silicon, its control rate is fast, long service life.In the present embodiment, nine groups of gauge tap are produced on the wiring board, have increased integrated level, not only saved cost, and keep in repair, change conveniently.The 220V alternating current is divided into nine the tunnel and delivers on the corresponding signal lamp after the input of two wires, has realized that the structure of forceful electric power light current is separated, and security and reliability are able to bigger raising.
Referring to Fig. 6, in the present embodiment, the simulation display circuit is set, by the string-and translation circuit 74LS164 constitute, the simulation display lamp is made up of positive light emitting diode altogether, and control signal is imported through 4 pin of interface 6LJ1 4PIN, be connected to string-and translation circuit seal in end, 3 pin of interface 6LJ1 4PIN are introduced shift pulse, and LED control circuit is 164 shifted data circuit.
Native system is under normal circumstances kept work with the program of setting, and therebetween, available manual operation changes duty.In case need to recover, press reset key, can get back to former setting program.
Simulation display circuit in the native system can independently use, and utilizes its simulation display board to demonstrate, as the usefulness of traffic police's professional training, familiar operation.
Claims (3)
1, traffic control system for crossroad in urban area, constitute by control device and telltale, described telltale comprises command signal lamp (3) and the command signal stop line III (6) that stops under this signal lamp (3) commander, wherein, signal lamp (3) is positioned on the controlled road junction, stop line III (6) is positioned at after the zebra crossing of controlled road surface, it is characterized in that, on controlled road, marshalling lamp II (2) that depth setting near and far is synchronoused working with signal lamp (3) from the road junction and marshalling lamp I (1); On controlled road surface, automatic stop fare III (6) rises, and depth near and far is arranged on marshalling stop line II (5) that stops under marshalling lamp II (2) commander and the marshalling stop line 1 (4) that stops under marshalling lamp I (1) commander; Described signal lamp (3) and marshalling lamp II (2), marshalling lamp I (1) all have left-hands rotation ←, keep straight on ↑ and → three kinds of marking signals of right-hand rotation.
2, traffic control system for crossroad in urban area according to claim 1 is characterized in that:
A, described control device adopt the governor circuit that is made of single-chip microcomputer (IC1 89C2051), described single-chip microcomputer (IC1), its port (P1.0-P17, P3.0, P3.2 and P3.4) reads keyboard signal through interface (LJ1 12PIN), in its port (P3.1) output serial address and data, after optocoupler (10 4N38), triode (P1) amplify, (D5) sends at plug, and sends simulation video data and shift pulse signal by port (P35, P37) through interface (LJ24PIN);
B, between every group of marshalling signal lamp and described governor circuit, universal decoding scheme is set, this decoding scheme is made of single-chip microcomputer (4IC1) and row switch (4IC3), control signal by interface (4LJ1 16PIN) end pin (13,12) input is connected to single-chip microcomputer (4IC1) port (4P3.0) through optocoupler (11), amplifier (4IC2:A), and single-chip microcomputer (4IC1) is carried out signal in port (4P1.5-.4P1.7,4P3.1-4P3.5) output;
C, described telltale adopt the gauge tap that is made of photoelectrical coupler (01-09) and bidirectional triode thyristor (T1-T9).
3, traffic control system for crossroad in urban area according to claim 2, it is characterized in that being provided with the simulation display circuit, by string-and translation circuit (74LS164) constitute, the simulation display lamp is formed by being total to positive light emitting diode, control signal is through the 4 pin input of interface (6LJ1 4PIN), be connected to string-and translation circuit seal in end, interface (6LJ1 4PIN) (3 pin) is introduced shift pulse, LED control circuit is (164) shifted data circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97115854 CN1101580C (en) | 1997-09-02 | 1997-09-02 | Traffic control system for crossroad in urban area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97115854 CN1101580C (en) | 1997-09-02 | 1997-09-02 | Traffic control system for crossroad in urban area |
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| Publication Number | Publication Date |
|---|---|
| CN1210318A CN1210318A (en) | 1999-03-10 |
| CN1101580C true CN1101580C (en) | 2003-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97115854 Expired - Fee Related CN1101580C (en) | 1997-09-02 | 1997-09-02 | Traffic control system for crossroad in urban area |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1380465A (en) * | 2002-04-27 | 2002-11-20 | 姚青 | Supergrade plane intercross installation for road and its traffic method |
| WO2004077377A1 (en) * | 2003-02-27 | 2004-09-10 | Shaopeng Yang | Road traffic control method and traffic facilities |
| CN100397435C (en) * | 2005-04-11 | 2008-06-25 | 云霄 | Crossroads traffic management control system |
| CN101615347A (en) * | 2009-07-20 | 2009-12-30 | 交通部公路科学研究所 | Processing method of traffic control data and device |
| CN102024329B (en) * | 2010-12-08 | 2012-08-29 | 江苏大学 | Coordination control method for crossroad left-turning pre-signal and straight-going successive signal |
| CN102354448A (en) * | 2011-07-28 | 2012-02-15 | 薛勇 | Method and system for controlling passing of road junction |
| CN102760362A (en) * | 2012-07-16 | 2012-10-31 | 黄宝文 | Intersection traffic control method capable of improving utilization rate of right entrance lane |
| CN103646554A (en) * | 2013-12-28 | 2014-03-19 | 丁可佳 | Pass system for setting stack area in central area of crossroads |
| CN106683427A (en) * | 2015-11-06 | 2017-05-17 | 深圳市以捷创新科技有限公司 | Intersection traffic light array of intelligent electronic police |
| EP3373269A4 (en) * | 2015-11-06 | 2019-07-10 | Shenzhen Yijie Innovative Technology Co., Ltd. | Drive control method for intersection traffic signal lamp array |
| CN106683432A (en) * | 2015-11-06 | 2017-05-17 | 深圳市以捷创新科技有限公司 | Intersection traffic signal lamp driving control system of intelligent electronic police |
| US10431079B2 (en) | 2016-03-17 | 2019-10-01 | Shenzhen Yijie Innovative Technology Co., Ltd. | Driving control apparatus for intersection traffic light array |
| CN106504546A (en) * | 2016-10-20 | 2017-03-15 | 湖南文理学院 | A kind of traffic lights with good stability direct traffic system |
| CN108831167A (en) * | 2018-05-29 | 2018-11-16 | 昆明理工大学 | A kind of crossroad access lamp control system |
-
1997
- 1997-09-02 CN CN 97115854 patent/CN1101580C/en not_active Expired - Fee Related
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| CN1210318A (en) | 1999-03-10 |
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