CN110322707A - Traffic light control system and method - Google Patents
Traffic light control system and method Download PDFInfo
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- CN110322707A CN110322707A CN201910609227.9A CN201910609227A CN110322707A CN 110322707 A CN110322707 A CN 110322707A CN 201910609227 A CN201910609227 A CN 201910609227A CN 110322707 A CN110322707 A CN 110322707A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/08—Controlling traffic signals according to detected number or speed of vehicles
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Abstract
The present invention provides a kind of traffic light control system and method, and system includes: traffic lights；Traffic lights control unit receives digital signal and carries out control and the display of time to traffic lights；Vehicle detection unit, for detecting the vehicle fleet size in two-way multilane；Monitoring system, carries out video monitor to crossing for command centre, carries out artificial remotely controlling to traffic lights in command centre；Processor is connect with the vehicle detection unit and traffic lights control unit, is switched for calculating through the vehicle flowrate of the traffic lights and controlling according to vehicle flowrate the traffic lights control unit to red light, green light；Remote control unit, by being connected to the network the processor, for remotely controlling the switch of red light, green light.
Description
Technical field
The present invention relates to communication navigation fields, more particularly to a kind of traffic light control system and method.
Background technique
Currently, the time of crossroads traffic light be it is fixed, be difficult to be adjusted at random according to practical wagon flow situation, waste is a large amount of
Time.Such as night passing vehicle it is less when, red time remains unchanged, and vehicle emission also can be to big during equal red lights
Gas pollutes.
Summary of the invention
Technical problem to be solved by the present invention lies in, one kind is provided in view of the deficiencies of the prior art, it can be according to reality
The traffic light control system and method for wagon flow situation adjustment green time.
The technical problem to be solved by the present invention is to what is be achieved through the following technical solutions:
A kind of controlling system of traffic light, comprising: traffic lights；Traffic lights control unit receives digital signal and to traffic lights
Carry out control and the display of time；Vehicle detection unit, for detecting the vehicle fleet size in two-way multilane；Monitoring system is used
Video monitor is carried out to crossing in command centre, artificial remotely controlling is carried out to traffic lights in command centre；Processor, and it is described
Vehicle detection unit is connected with traffic lights control unit, for calculate by the vehicle flowrates of the traffic lights and according to vehicle flowrate come
The traffic lights control unit is controlled to switch red light, green light；Remote control unit, by being connected to the network the processing
Device, for remotely controlling the switch of red light, green light.
Preferably, the traffic lights and vehicle detection unit are all multiple, the traffic lights and the vehicle detection unit
Number it is identical.
Preferably, the controlling system of traffic light further includes speech discharge unit, and the speech discharge unit is arranged in institute
It states on traffic lights or same position partial installation, and is connected to the processor.
The present invention also provides a kind of control methods suitable for controlling system of traffic light, comprising:
S1: the road direction of crossroad is divided into four groups, direction is divided into A group, north-to-south direction from south to north
It is divided into B group, direction is divided into C group from east to west, and direction is divided into D group from west to east；
S2: vehicle detection unit acquires tetra- groups of direction vehicle fleet size data of A, B, C, D, and sends that information to processing
Device；
S3: the processor is compared according to vehicle fleet size data with preset vehicle fleet size data, and adjust A, B,
C, tetra- groups of direction red lights of D and green time.
One of embodiment, in S3, when A, B group or the upward vehicle fleet size of C, D prescription meet preset low discharge vehicle
When numerical value, processor control traffic lights control unit, which makes the other traffic lights of garage's direction group for meeting low discharge are arranged in, to be kept
The flashing of evergreen or amber light；
Wherein, preset low discharge vehicle numerical value be when in two-way one minute not over vehicle；Or work as secondary road one
It is lower than 2 by vehicle in minute.
One of embodiment, in S3, when vehicle flowrate is greater than low discharge vehicle numerical value, according to traditional traffic lights mode
It is handled, carries out rotation according to regulation duration；
Wherein, preset low discharge vehicle numerical value be when in two-way one minute not over vehicle；Or work as secondary road one
It is lower than 2 by vehicle in minute.
One of embodiment, in S3, if when hold-up increase or larger hold-up, into enhancing clearance mode, prolonging
Long single traffic light time；If unilateral side is detained, extend the unilateral once-through time；If bilateral is detained, extend bilateral single
Pass through the time.
The present invention also provides a kind of control methods suitable for the controlling system of traffic light characterized by comprising
S1: the road direction of crossroad is divided into four groups, direction is divided into A group, north-to-south direction from south to north
It is divided into B group, direction is divided into C group from east to west, and direction is divided into D group from west to east；
S2: vehicle detection unit acquires tetra- groups of direction vehicle fleet size information of A, B, C, D, and the information is sent out by processor
Give remote control unit；
S3: the remote control unit is according to vehicle fleet size information, when adjusting tetra- groups of direction red lights of A, B, C, D and green light
Between.
Preferably, the data such as crossing vehicle fleet size can be passed back into command centre in real time, is uniformly controlled for command centre
Data are provided to support.
Traffic light control system and method for the invention the utility model has the advantages that
1, visible evergreen lamp when vehicle is few, directly passes through without waiting；
2, pass through analysis hold-up, extend traffic light time, improve percent of pass, reduce vehicle start and stop, make delay vehicle fast
Speed passes through；
3, pass through and control centre networks, manual intervention traffic lights can show when necessary, guidance vehicle passes through；
4, provide remote speech command function: avoid must traffic police carry out comb to scene and lead, provide and remotely propaganda directed to communicate function,
Directly remotely vehicle can be guided to pass through.
Technical solution of the present invention is described in detail in the following with reference to the drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is the control structure figure of controlling system of traffic light of the present invention；
Fig. 2 is traffic lights control method block diagram of the present invention.
Specific embodiment
Fig. 1 is the control structure figure of controlling system of traffic light of the present invention.As shown in Figure 1, controlling system of traffic light includes:
Traffic lights 1；
Traffic lights control unit 2 receives digital signal and carries out control and the display of time to traffic lights；
Vehicle detection unit 3, for detecting the vehicle fleet size in two-way multilane；By the way that detection module, Ke Yiyu is arranged
Signal lamp progress is separately positioned, and the best distance that is arranged can increase between 30 to 100 meters, far from the two-way multilane of traffic light intersection
Detection, mating mature vehicle flowrate analysis module (such as: pressure sensor block, analysis module, radar module etc.)
Come the digital assay realized vehicle flowrate be detained vehicle, by taking crossroad as an example, each crossing can be detected into vehicle,
Vehicle is flowed out, the delay vehicle fleet size at each crossing can be analyzed by computerized algorithm, by analyzing delay quantity
Adjustment control traffic lights module.
Monitoring system 4 carries out video monitor to crossing for command centre, carries out in command centre to traffic lights artificial remote
It is supported when process control as video；Remote voice is commanded, video support is provided.
Processor 5 is connect with the vehicle detection unit 3 and traffic lights control unit 2, for calculating by described red green
The vehicle flowrate of lamp and the traffic lights control unit 2 is controlled according to vehicle flowrate red light, green light are switched；
Remote control unit 6, by being connected to the network the processor 5, for remotely controlling the switch of red light, green light.Far
Process control function is realized by optical fiber or other latticed forms, while being mainly to provide speech, monitoring, can remotely control letter
Signal lamp, and providing for access wisdom traffic, smart city later may (no replacement is required equipment and software and hardware, it is only necessary to mating
Routine interface).The remote control unit can also automatically control the switch of red light, green light.
Preferably, the traffic lights 1 and vehicle detection unit 3 are all multiple, the traffic lights 1 and the vehicle detection list
The number of member 3 is identical.
In addition, the controlling system of traffic light further includes speech discharge unit, the speech discharge unit is arranged described
On traffic lights, and it is connected to the processor.
Fig. 2 is traffic lights control method block diagram of the present invention.As shown in Fig. 2, the invention also includes one kind suitable for above-mentioned
Controlling system of traffic light control method characterized by comprising
S1: the road direction of crossroad is divided into four groups, direction is divided into A group, north-to-south direction from south to north
It is divided into B group, direction is divided into C group from east to west, and direction is divided into D group from west to east；
S2: vehicle detection unit acquires tetra- groups of direction vehicle fleet size data of A, B, C, D, and sends that information to processing
Device；
S3: the processor is compared according to vehicle fleet size data with preset vehicle fleet size data, and adjust A, B,
C, tetra- groups of direction red lights of D and green time.
Embodiment one:
In S3, when A, B group or the upward vehicle fleet size of C, D prescription meet preset low discharge vehicle numerical value (such as it is every
Minute 0 or 2, design parameter is adjustable), processor control traffic lights control unit makes that the vehicle for meeting low discharge is arranged in
The other traffic lights of line direction group keep evergreen.Preset low discharge vehicle numerical value is variable element, by being configured from the background, is defaulted
Parameter is in system design, it is assumed that is in two-way one minute not over vehicle, automatically into the mode.Or setting condition
Are as follows: it is lower than 2 by vehicle in secondary road one minute.
Embodiment two:
In S3, when wagon flow is more, is handled according to traditional traffic lights mode, taken turns according to regulation duration
It changes；For example 10 vehicles are less than, in the case where Parameter adjustable, by existing traffic lights mode treatment, timing is alternately passed through；Here
Vehicle flowrate is more to be in opposite embodiment one, vehicle it is less can green light or amber light flashing preferentially by the case where, refer to road
Normal pass state has certain vehicle flowrate, and is not up to the case where needing specially treated, can be according to conventional setting, it may be assumed that main
Road red light how many second are wanted, green light how many second carry out alternately switching, are not necessarily to specially treated.
Embodiment three:
In S3, if when hold-up increase or larger hold-up, for example discovery is detained vehicle and is more than 10 or continues to increase,
Into enhancing clearance mode, extend single traffic light time, if unilateral be detained, then extends the unilateral once-through time, if
Bilateral is detained, then extends the bilateral once-through time.Certain those skilled in the art can adjust delay vehicle according to the actual situation
Parameter.
By vehicle detection unit, processor can know the vehicle fleet size number of the vehicle that each crossing is detained and waiting
According to by being compared with system settings, more than thinking vehicle delay occur after limiting numerical value, into the mode, according to upper
It states existing plan to carry out extending traffic lights switching cycle, such as original 30 seconds green lights, extends to 50 seconds, 70 seconds.
Example IV:
The present invention also provides a kind of control methods suitable for above-mentioned controlling system of traffic light, comprising:
S1: the road direction of crossroad is divided into four groups, direction is divided into A group, north-to-south direction from south to north
It is divided into B group, direction is divided into C group from east to west, and direction is divided into D group from west to east；
S2: vehicle detection unit acquires tetra- groups of direction vehicle fleet size information of A, B, C, D, and the information is sent out by processor
Give remote control unit；
S3: the remote control unit is according to vehicle fleet size information, when adjusting tetra- groups of direction red lights of A, B, C, D and green light
Between.
Controlling system of traffic light of the invention, by the way that evergreen traffic lights, some low discharge crossings and low discharge period is arranged,
It can effectively improve percent of pass, the time for seeing red light almost reduced by 90%；By when, other side section is changed to red light, still
The traffic guidance function of traffic lights is so effectively reached, a raising efficiency does not increase contradiction, improves percent of pass, hence it is evident that promoted red
Green light impression.Existing traffic lights technology do not improve by decades, and regular time control seriously constrains crossing and passes through
Rate, and when vehicle increases, it is still fixed duration, once-through vehicle is limited, and vehicle start-stop time is more, and each vehicle start is all
Many times can be wasted, are caused under percent of pass, is detained vehicle increase single green time by calculating, can effectively be promoted logical
Rate is crossed, congestion is quickly solved.For example say that 15 seconds Green extensions, originally can be with by 5 vehicles, after extension to 30 seconds
By 13 vehicles, improvement is obvious.In addition, special circumstances can be being found by increasing long-range control, and such as: 120 is anxious
It rescues, the special circumstances such as 119 automatic rescues (fire-fighting), carries out road closed in advance, quickly let pass, it is convenient to provide to special duty's vehicle.
Increased speech commands the long-range carry out traffic guidance that can be convenient, and dredges vehicle pass-through, sends friendship again than existing monitoring discovery
Police is gone to, and efficiency improves, and improvement is obvious.
Preferably, the vehicle detection unit of controlling system of traffic light of the invention can be realized by multiple module form,
Can be with back compatible by technical compatibility, to support the following more advanced Vehicle Detection module, detection module can be with signal lamp
Carry out separately positioned, the best distance that is arranged can increase between 30 to 100 meters, far from traffic light intersection, two-way multilane detection,
Both can detecte delay vehicle, can also withdraw deposit discovery will need by vehicle, and then provide " evergreen " traffic lights function.
It can also externally be issued, be accessed by navigation software instant to realize by certain Internet channel by the way that vehicle is detained data
Hide congestion etc., realizes wisdom traffic, wisdom navigation.
Claims (8)
1. a kind of traffic light control system and method characterized by comprising
Traffic lights；
Traffic lights control unit receives digital signal and carries out control and the display of time to traffic lights；
Vehicle detection unit, for detecting the vehicle fleet size in two-way multilane；The vehicle detection unit passes vehicle fleet size
It is delivered to remote control unit, provides vehicle fleet size data for remote control unit；
Monitoring system carries out video monitor to crossing for command centre, carries out artificial long-range control to traffic lights in command centre
System；
Processor is connect with the vehicle detection unit and traffic lights control unit, for calculating the vehicle for passing through the traffic lights
Flow and the traffic lights control unit is controlled according to vehicle flowrate red light, green light are switched；
Remote control unit, by being connected to the network the processor, for remotely controlling the switch of red light, green light.
2. controlling system of traffic light as described in claim 1, which is characterized in that the traffic lights and vehicle detection unit are all
Multiple, the traffic lights are identical as the number of the vehicle detection unit.
3. controlling system of traffic light as described in claim 1, which is characterized in that the controlling system of traffic light further includes speech
Discharge unit, the speech discharge unit is arranged on the traffic lights or same position partial installation, and with the processor
Connection.
4. a kind of control method suitable for controlling system of traffic light described in claim 1-3 characterized by comprising
S1: the road direction of crossroad is divided into four groups, direction is divided into A group from south to north, and north-to-south direction is divided into B
Group, direction is divided into C group from east to west, and direction is divided into D group from west to east；
S2: vehicle detection unit acquires tetra- groups of direction vehicle fleet size data of A, B, C, D, and sends that information to processor；
S3: the processor is compared according to vehicle fleet size data with preset vehicle fleet size data, and adjusts A, B, C, D tetra-
Group direction red light and green time.
5. controlling system of traffic light as claimed in claim 4, which is characterized in that in S3, when A, B group or C, D prescription are upward
When vehicle fleet size meets preset low discharge vehicle numerical value, processor control traffic lights control unit makes setting meet low discharge
The other traffic lights of garage's direction group keep evergreen or amber light flashing；
Wherein, preset low discharge vehicle numerical value be when in two-way one minute not over vehicle；Or work as secondary road one minute
It is interior to be lower than 2 by vehicle.
6. controlling system of traffic light as claimed in claim 4, which is characterized in that in S3, when vehicle flowrate is greater than low discharge vehicle
It when numerical value, is handled according to traditional traffic lights mode, carries out rotation according to regulation duration；
Wherein, preset low discharge vehicle numerical value be when in two-way one minute not over vehicle；Or work as secondary road one minute
It is interior to be lower than 2 by vehicle.
7. controlling system of traffic light as claimed in claim 4, which is characterized in that in S3, if hold-up increases or hold-up
When larger, into enhancing clearance mode, extend single traffic light time；If unilateral side is detained, extend the unilateral once-through time；
If bilateral is detained, extend the bilateral once-through time.
8. a kind of control method suitable for controlling system of traffic light described in claim 1-3 characterized by comprising
S1: the road direction of crossroad is divided into four groups, direction is divided into A group from south to north, and north-to-south direction is divided into B
Group, direction is divided into C group from east to west, and direction is divided into D group from west to east；
S2: vehicle detection unit acquires tetra- groups of direction vehicle fleet size information of A, B, C, D, and the information is sent to by processor
Remote control unit；
S3: the remote control unit adjusts tetra- groups of direction red lights of A, B, C, D and green time according to vehicle fleet size information.
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| CN201910609227.9A CN110322707A (en) | 2019-07-08 | 2019-07-08 | Traffic light control system and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111179615A (en) * | 2019-12-31 | 2020-05-19 | 宁波宁工交通工程设计咨询有限公司 | Traffic sign information indicating system and method |
| CN112150836A (en) * | 2020-09-24 | 2020-12-29 | 深圳创维－Rgb电子有限公司 | Green light time delay method, device, equipment and readable storage medium |
| CN114120663A (en) * | 2021-12-28 | 2022-03-01 | 宁夏乾元长龙科技发展有限公司 | Traffic light control system for traffic |
| CN115188193A (en) * | 2022-07-13 | 2022-10-14 | 东营市湿地城市建设推进中心 | Control method for intelligently regulating and controlling passing time and changing lanes |
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| CN112150836A (en) * | 2020-09-24 | 2020-12-29 | 深圳创维－Rgb电子有限公司 | Green light time delay method, device, equipment and readable storage medium |
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| CN115188193A (en) * | 2022-07-13 | 2022-10-14 | 东营市湿地城市建设推进中心 | Control method for intelligently regulating and controlling passing time and changing lanes |
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