CN108399760A - A kind of ground induction coil formula red time lengthening device and its method - Google Patents
A kind of ground induction coil formula red time lengthening device and its method Download PDFInfo
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- CN108399760A CN108399760A CN201810289892.XA CN201810289892A CN108399760A CN 108399760 A CN108399760 A CN 108399760A CN 201810289892 A CN201810289892 A CN 201810289892A CN 108399760 A CN108399760 A CN 108399760A
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- induction coil
- ground induction
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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
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- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a kind of ground induction coil formula red time lengthening device and its methods, including wagon detector device and induction control formula semaphore device；The wagon detector device includes ground induction coil group, tuning circuit, reference oscillator and microcontroller；Ground induction coil group is layed under intersection pavement；Ground induction coil group is connected with tuning circuit；Microcontroller is connected with tuning circuit, reference oscillator respectively；Microcontroller is connected with induction control formula semaphore device；Ground induction coil formula red time lengthening device major part structure is all to utilize existing apparatus, and extensive change need not be done to intersection.And once any one ring in ground induction coil to transmission feeder breaks down, semaphore can become fixed timing control mode in the case where function degrades and run, and reliability is higher.
Description
Technical field
The present invention relates to a kind of road traffic ground induction coil formula red time lengthening device devices and methods therefors, belong to road traffic control
Engineering device technique field processed.
Background technology
In some intersections, the phenomenon that jumping the green light there are vehicle.I.e. vehicle crosses stop line simultaneously in the green light very last seconds
Continue to travel, because of situations such as the direction natively congestion or vehicle it is long can not sail out of crossing in amber light completely at 3 seconds and
It is trapped in intersection, the vehicle for direction either turn direction of keeping straight on can be blocked in this way, original only gathering around there are one direction
The stifled congestion for being possible to be further exacerbated by multiple directions.《People's Republic of China Road Traffic Safety Law Implementation Regulations》5th
13 regulations：' when motor vehicle meets front cross crossing traffic obstruction, it should be parked in other than crossing and wait successively, must not enter
Crossing.' if there is similar situation will likely be punished by a fine 100 yuan, remember 2 points of punishment.But in fact, due to lacking traffic police
Scene punishment, this regulation do not execute substantially by driver, and many drivers still drive into intersection in the case of traffic congestion,
Cause the traffic more blocked.In order to avoid the generation of congestion, the measure taken at this stage is generally to allow traffic police in intersection
It relieves traffic congestion, crossing, which is green light traffic police, sometimes can also allow driver to wait for, and not pass through.Purpose is exactly in order to not influence to another
The wagon flow of one trend, in order to avoid it is further exacerbated by congestion.But such solution be not it is round-the-clock, and inefficient,
The burden for insufficient police strength being brought originally to bigger is also given simultaneously.
Invention content
The problem to be solved in the present invention is：When intersection gets congestion, extends remaining direction red time, avoid because not
Specification drives aggravation congestion in road.Land used sense coil type red time lengthening device replaces manually dredging, and reduces traffic administration work people
The operating pressure of member, also reduces the security risk brought because road surface is on duty.
The present invention provides a kind of ground induction coil formula red time lengthening devices, congestion occur in intersection, vehicle cannot work as
Crossing is left in the effective time of preceding green light, the green light of next phase will start again when, extends the red light that will become green light
Red time prevents vehicle from going successively to intersection, and congestion is made to be further exacerbated by.
To achieve the purpose of the present invention, the technical solution adopted by the present invention is：
A kind of ground induction coil formula red time lengthening device, including wagon detector device and induction control formula semaphore device；Institute
The wagon detector device stated includes ground induction coil group, tuning circuit, reference oscillator and microcontroller；
Ground induction coil group is layed under intersection pavement；Ground induction coil group is connected with tuning circuit；Microcontroller respectively with
Tuning circuit, reference oscillator are connected；Microcontroller is connected with induction control formula semaphore device；Incude control formula semaphore and letter
Signal lamp is connected；Or induction control formula semaphore includes signal lamp.Finally by signal light signal delay red time, reach evacuation congestion
Effect.
The ground induction coil group includes several ground induction coils, and the ground induction coil buries best friend along vehicle traveling direction
Cross road mouth centerline terminates.
Preferably, it is 80mm that the ground induction coil, which is the depth of burying, and single ground induction coil vertical view is square, and size is
4X2m。
Preferably, the ground induction coil burial place is：Along vehicle traveling direction, in left-hand rotation or the stopping of Through Lane
Line starts to intersection centerline to terminate.
Preferably, the embedded spacing of the ground induction coil is 2 meters of
Preferably, induction control formula semaphore device includes output driving device；The microcontroller and output
Driving device is connected, and the output driving device is connected with signal lamp.
Preferably, the reference oscillator is individual oscillation circuit, and frequency immobilizes, is connected with microcontroller.
The anti-congestion method in intersection of the ground induction coil formula red time lengthening device is：
Microcontroller acquires the frequency signal of reference oscillator and the ground induction coil under working condition in real time；Wherein reference oscillation
Device frequency immobilizes；According to the required demand for extending red light, selection needs in running order ground induction coil；
When a certain straight trip direction need to start the present apparatus there are congestion in road, the ground induction coil of direction Through Lane is selected
It is in working condition；Under ground induction coil working condition, if vehicle can be before the straight trip direction green light terminates by ground induction coil institute
In region, then the presupposed solution of original signal lamp is not changed；If vehicle fails before the straight trip direction green light terminates through ground sense line
Region is enclosed, then failing the vehicle passed through can exercise or be parked on the ground induction coil；The metal material of vehicle will
The magnetic flux in ground induction coil can be changed, cause the variation of wire loop inductance value, the variation of inductance value that can cause oscillation circuit frequency
The variation of rate, microcontroller can find that there are congestions in the straight trip direction by comparing the frequency of reference oscillator；Microcontroller at this time
Transmit a signal to wagon detector device, wagon detector device control the left rotaring signal lamp delay of next phase opposite direction track until
The straight trip direction vehicle is all driven out to detection zone, current phase still by presupposed solution terminate to keep straight on green light avoid more vehicles into
Enter intersection；
When a certain left-hand rotation direction need to start the present apparatus there are congestion in road, the ground induction coil of the left-hand rotation direction lane is selected
It is in working condition；Under ground induction coil working condition, if vehicle can be before the left-hand rotation direction green light terminates by ground induction coil institute
In region, then the presupposed solution of original signal lamp is not changed；If vehicle fails before the left-hand rotation direction green light terminates through ground sense line
Region is enclosed, then failing the vehicle passed through can exercise or be parked on the ground induction coil；The metal material of vehicle will
The magnetic flux in ground induction coil can be changed, cause the variation of wire loop inductance value, the variation of inductance value that can cause oscillation circuit frequency
The variation of rate, microcontroller can find that there are congestions in the left-hand rotation direction by comparing the frequency of reference oscillator；Microcontroller at this time
Wagon detector device is transmitted a signal to, wagon detector device controls next phase straight trip signal lamp delay until the left-hand rotation side
It is all driven out to detection zone to vehicle, current phase still terminates left-hand rotation green light by presupposed solution and more vehicles is avoided to enter crossroad
Mouthful.
The ground induction coil group of straight trip and/or left turn lane on the intersection difference track can work at the same time or
Part therein is selected to work.
Preferably, next phase is not supplemented due to the green time that red time lengthening loses, i.e., next phase red time lengthening is more
Long, green light just lose how long.Current phase is selected to be shown as the ground induction coil that the ground induction coil in the track of green light is in working condition.
It is an advantage of the invention that：Some large-scale supporters need not be created as carrier, facility spoilage is reduced, reduce
Maintenance cost.Driver is also unaffected in the visual field at crossing simultaneously.When wagon detector failure, control formula semaphore is incuded
It can be downgraded to fixed timing control automatically, do not influence order of normally passing through.
Description of the drawings
Fig. 1 is ground induction coil formula red time lengthening device structure and flow chart.
Fig. 2 is the laying schematic diagram (crossroad) of ground induction coil.
Fig. 3 is four phase schematic diagrames；
Fig. 4 is conflict point schematic diagram；
Fig. 5 is conflict point schematic diagram (line centered on the vertical straight line in the vertical and horizontal direction in intersection)；
Fig. 6 is that south is turned left schematic diagram to west.
Specific implementation mode
The present invention is further illustrated with reference to the accompanying drawings and embodiments.
As shown in Figs. 1-3, microcontroller of the invention acquires reference oscillator and the ground induction coil under working condition in real time
Frequency signal；Wherein reference oscillator frequencies immobilize；According to the required demand for extending red light, selection needs in running order
Ground induction coil；
When a certain straight trip direction need to start the present apparatus there are congestion in road, the ground induction coil of direction Through Lane is selected
It is in working condition；Under ground induction coil working condition, if vehicle can be before the straight trip direction green light terminates by ground induction coil institute
In region, then the presupposed solution of original signal lamp is not changed；If vehicle fails before the straight trip direction green light terminates through ground sense line
Region is enclosed, then failing the vehicle passed through can exercise or be parked on the ground induction coil；The metal material of vehicle will
The magnetic flux in ground induction coil can be changed, cause the variation of wire loop inductance value, the variation of inductance value that can cause oscillation circuit frequency
The variation of rate, microcontroller can find that there are congestions in the straight trip direction by comparing the frequency of reference oscillator；Microcontroller at this time
Transmit a signal to wagon detector device, wagon detector device control the left rotaring signal lamp delay of next phase opposite direction track until
The straight trip direction vehicle is all driven out to detection zone, current phase still by presupposed solution terminate to keep straight on green light avoid more vehicles into
Enter intersection；
When a certain left-hand rotation direction need to start the present apparatus there are congestion in road, the ground induction coil of the left-hand rotation direction lane is selected
It is in working condition；Under ground induction coil working condition, if vehicle can be before the left-hand rotation direction green light terminates by ground induction coil institute
In region, then the presupposed solution of original signal lamp is not changed；If vehicle fails before the left-hand rotation direction green light terminates through ground sense line
Region is enclosed, then failing the vehicle passed through can exercise or be parked on the ground induction coil；The metal material of vehicle will
The magnetic flux in ground induction coil can be changed, cause the variation of wire loop inductance value, the variation of inductance value that can cause oscillation circuit frequency
The variation of rate, microcontroller can find that there are congestions in the left-hand rotation direction by comparing the frequency of reference oscillator；Microcontroller at this time
Wagon detector device is transmitted a signal to, wagon detector device controls next phase straight trip signal lamp delay until the left-hand rotation side
It is all driven out to detection zone to vehicle, current phase still terminates left-hand rotation green light by presupposed solution and more vehicles is avoided to enter crossroad
Mouthful.
The ground induction coil group of straight trip and/or left turn lane on intersection difference of the present invention track can work at the same time or
Part therein is selected to work；The method of the present invention considers and verifies by science；The ground induction coil of intersection shown in Fig. 2 can
The feasibility of the present invention is had no effect on to work at the same time, when working at the same time.Preferred embodiment is the green light situation of basic current phase,
Corresponding ground induction coil group is selected to work；Energy consumption can be reduced in this way, and more accurate result is provided.It is straight with current phase
For row green light, then this to Through Lane and opposite Through Lane be green light；The ground induction coil group of the both direction can simultaneously work
Make, is independent of each other.It is same suitable since the present invention selects corresponding ground induction coil to work according to the instruction of current phase green light
For T-shaped road junction or more complicated crossing.
A specific embodiment according to the present invention, as illustrated in fig. 1 and 2, a kind of ground induction coil formula red time lengthening device, including
Wagon detector device and induction control formula semaphore device；The wagon detector device includes ground induction coil group, tuning
Circuit, reference oscillator and microcontroller；Ground induction coil group is layed under intersection pavement；Ground induction coil group and tuning circuit phase
Even；Microcontroller is connected with tuning circuit, reference oscillator respectively；Microcontroller is connected with induction control formula semaphore device；Induction
Control formula semaphore is connected with signal lamp；The ground induction coil group includes several ground induction coils, and the ground induction coil is along vehicle
Direction of travel, which is buried to intersection centerline, to be terminated.
The depth of burying of ground induction coil may be selected to be 50-200mm, depending on road construction requirement itself, the present invention's
In one specific embodiment, the ground induction coil is that the depth of burying is 80mm, the shape of single ground induction coil can be it is round,
Rectangular, round rectangle etc.；Ground induction coil vertical view in the present embodiment is square, size 4X2m；The number of turns of ground induction coil, which regards, to be needed
Will with depending on cost；In the present embodiment, the embedded spacing of the ground induction coil on same direction of travel is 2 meters.
It is the sequence of four phases such as attached drawing 3.Before not installing ground induction coil formula red time lengthening device, if second phase
It exports to the west traffic congestion on direction (or there is longer queuing vehicle) in southing, vehicle can not leave road in a green time
Mouthful, at this moment third phase green time starts, and the vehicle of western import also enters crossing.The vehicle of both direction be unwilling to be made a concession,
As a result it blocks and is further exacerbated by, be wherein two conflict points within the scope of circle such as Fig. 4.
Before installing ground induction coil formula red time lengthening device, intersection is first simply divided into 1,2,3,4 four small by we
Square areas, such as Fig. 5.Ground induction coil is laid in No. 4 regional extents by (illustrating herein only for the above-mentioned jam situation of solution).
Enter intersection when some drivers of southing mouth rob the green light very last seconds, when being blocked in crossing (No. 4 regions), vehicle inspection
It surveys device and detects that upper pavement surface also has vehicle not leave away, and should be become originally by incuding control formula semaphore control third phase
The signal lamp to pass through at green light continues to keep red light, prevents direction vehicle from pouring in intersection, is further exacerbated by blocking, i.e., temporarily first
Stop the vehicle into intersection, vehicle entrance, such as Fig. 6 are being put after allowing intersection that congestion is digested.When the vehicle of southing mouth sails out of 4
When number region, wagon detector detects that automobile leaves, and restores the green light in third phase direction, is pressed onto in addition after automobile sails out of
Coil, due to have on the coil vehicle be extend be not the red light that next phase becomes green light time, there is no conflict,
Enter in No. 1 Regional Red coil after southern imported auto sails out of No. 4 regions, due to it is extended be southing mouth left-hand rotation red light, and
The red light natively needs to keep red light for a long time in next following period of time, therefore will not clash.Since red light prolongs
When the green time that loses do not supplement, i.e., several seconds of red time lengthening, green light just lose several seconds.
Induction control formula semaphore device, reference oscillator and the microcontroller of the present invention is the prior art, the cities Jun You
Existing product on face is available for purchase and realizes the function in the present invention, and induction of the invention controls formula semaphore device, reference
It is not important according to position for oscillator and microcontroller, and present invention is primarily concerned with induction control formula semaphore device, reference oscillations
Between device and microcontroller and the mode of they and other components being electrically connected, induction control formula semaphore device, reference oscillation
Any position by the road of intersection can be arranged in device and microcontroller.
Claims (10)
1. a kind of ground induction coil formula red time lengthening device, it is characterised in that including wagon detector device and induction control formula semaphore
Device；The wagon detector device includes ground induction coil group, tuning circuit, reference oscillator and microcontroller；
Ground induction coil group is layed under intersection pavement；Ground induction coil group is connected with tuning circuit；Microcontroller respectively with tuning
Circuit, reference oscillator are connected；Microcontroller is connected with induction control formula semaphore device；
The ground induction coil group includes several ground induction coils, and the ground induction coil is buried along vehicle traveling direction to crossroad
Mouth centerline terminates.
2. ground induction coil formula red time lengthening device according to claim 1, it is characterised in that the ground induction coil is embedded
Depth is 80mm, and single ground induction coil vertical view is square, size 4X2m.
3. ground induction coil formula red time lengthening device according to claim 1, it is characterised in that the ground induction coil buries position
It is set to：Along vehicle traveling direction, start to intersection centerline to terminate in the stop line of left-hand rotation or Through Lane.
4. ground induction coil formula red time lengthening device according to claim 2 or 3, it is characterised in that the ground induction coil buries
If spacing is 2 meters.
5. ground induction coil formula red time lengthening device according to claim 1, it is characterised in that the induction control standard signal
Machine device includes output driving device；The microcontroller is connected with output driving device, the output driving device and letter
Signal lamp is connected.
6. ground induction coil formula red time lengthening device according to claim 1, it is characterised in that the reference oscillator is single
Only oscillation circuit, frequency immobilize, and are connected with microcontroller.
7. a kind of anti-congestion method in intersection based on ground induction coil formula red time lengthening device described in claim 1, feature exist
In：
Microcontroller acquires the frequency signal of reference oscillator and the ground induction coil under working condition in real time；Wherein reference oscillator frequency
Rate immobilizes；
According to the required demand for extending red light, selection needs in running order ground induction coil；
When a certain straight trip direction need to start the present apparatus there are congestion in road, select the ground induction coil of direction Through Lane for work
Make state；Under ground induction coil working condition, if vehicle can be before the straight trip direction green light terminates by ground induction coil location
Domain does not change the presupposed solution of original signal lamp then；If vehicle fails before the straight trip direction green light terminates through ground induction coil institute
In region, then failing the vehicle passed through can exercise or be parked on the ground induction coil；The metal material of vehicle will change
Become the magnetic flux in ground induction coil, causes the variation of wire loop inductance value, the variation of inductance value that can cause oscillation circuit frequency
Variation, microcontroller can find that there are congestions in the straight trip direction by comparing the frequency of reference oscillator；Microcontroller transmits at this time
Signal gives wagon detector device, wagon detector device to control the left rotaring signal lamp delay of next phase opposite direction track until this is straight
Line direction vehicle is all driven out to detection zone, and current phase still terminates straight trip green light by presupposed solution and more vehicles is avoided to enter friendship
Cross road mouth；
When a certain left-hand rotation direction need to start the present apparatus there are congestion in road, select the ground induction coil of the left-hand rotation direction lane for work
Make state；Under ground induction coil working condition, if vehicle can be before the left-hand rotation direction green light terminates by ground induction coil location
Domain does not change the presupposed solution of original signal lamp then；If vehicle fails before the left-hand rotation direction green light terminates through ground induction coil institute
In region, then failing the vehicle passed through can exercise or be parked on the ground induction coil；The metal material of vehicle will change
Become the magnetic flux in ground induction coil, causes the variation of wire loop inductance value, the variation of inductance value that can cause oscillation circuit frequency
Variation, microcontroller can find that there are congestions in the left-hand rotation direction by comparing the frequency of reference oscillator；Microcontroller transmits at this time
Signal gives wagon detector device, wagon detector device to control next phase straight trip signal lamp delay until the left-hand rotation direction vehicle
Whole is driven out to detection zone, and current phase still terminates left-hand rotation green light by presupposed solution and more vehicles is avoided to enter intersection.
8. according to the method described in claim 6, it is characterized in that the straight trip on the intersection difference track and/or a left side
The ground induction coil group changed trains or buses can work at the same time or select part therein to work.
9. according to the method described in claim 6, it is characterized in that select current phase be shown as green light track ground sense line
Enclose the ground induction coil being in working condition.
10. according to the method described in claim 6, it is characterized in that the green time that is lost due to red time lengthening of next phase not
Supplement, i.e., how long is next phase red time lengthening, green light just lose how long.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810289892.XA CN108399760A (en) | 2018-04-03 | 2018-04-03 | A kind of ground induction coil formula red time lengthening device and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810289892.XA CN108399760A (en) | 2018-04-03 | 2018-04-03 | A kind of ground induction coil formula red time lengthening device and its method |
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| CN108399760A true CN108399760A (en) | 2018-08-14 |
Family
ID=63099297
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