CN106149584B - With the dynamic spike nail light and its control method of intersection signal machine linkage control - Google Patents
With the dynamic spike nail light and its control method of intersection signal machine linkage control Download PDFInfo
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- CN106149584B CN106149584B CN201610574367.3A CN201610574367A CN106149584B CN 106149584 B CN106149584 B CN 106149584B CN 201610574367 A CN201610574367 A CN 201610574367A CN 106149584 B CN106149584 B CN 106149584B
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/095—Traffic lights
Abstract
The invention discloses a kind of and dynamic spike nail lights and its control method of intersection signal machine linkage control, comprising: is spaced a column double-side spike nail light of set distance；Each light emission side includes alternately arranged red LED lamp and green LED lamp；The red LED lamp and green LED lamp pass through respective control line respectively and connect with single-chip microcontroller；The spike nail light that the single-chip microcontroller is controlled with semaphore traffic signals delivery outlet on neighbouring road be connected；The double-side spike nail light is laid on lane line respectively or the two sides of zebra stripes.The invention has the advantages that: the information for enabling spike nail light to show semaphore, passing vehicles or pedestrians are allowed to carry out judging whether to pass through by the railway spike on observation road surface, driver and pedestrian are reduced when reaching intersection, the observation to following road conditions is had ignored because of the signal lamp of observation top.
Description
Technical field
The present invention relates to traffic mark lamp technical field more particularly to a kind of and intersection signal machine linkage control dynamics
Spike nail light and its control method.
Background technique
Now with being continuously increased for vehicle, the facility on traffic route is also in continuous construction and optimization.In face of wagon flow
Phenomena such as amount is big, and speed is high, it is traffic sign and marked to play important guide elicitation effect.At night, reflective lane line can be
It is passively shown under vehicle light illumination, but slightly remoter or car light, according to that can not show not then, this just gives night travelled on highway
Vehicle is made troubles.Luminous road is equipped on the lines of the big entrance of traffic intersection, vehicle flowrate and multilane at present
Lamp is followed closely, for warning vehicles or pedestrians.
Spike nail light is a kind of traffic safety facilities, is mostly installed among the graticule of road or among double amber lines, passes through it
Photism, reflexive warning vehicles or pedestrians.But spike nail light is mostly to issue single yellow light, and two-sided railway spike at present
Bright light mode be simple synchronous flashing, when work with intersection signal machine formation linkage；Meanwhile the two sides of railway spike
LED light on face is synchronous flashing, can only can not make same railway spike to the early warning on vehicle or pedestrian's single direction
The prompt of traffic information is carried out to pedestrian and vehicle simultaneously.
Summary of the invention
The object of the invention is in order to solve the above-mentioned technical problem, provide a kind of and intersection signal machine linkage control
Dynamic spike nail light and its control method, the LED light on railway spike two sides individually can be controlled and can be shown red by semaphore
Green two kinds of colors, can be improved the stimulus to the sense organ of people, have the function of preferably reminding, warn and easily make one vigilance, accomplish to go
People, traffic safety reduce the probability that traffic accident occurs.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of dynamic spike nail light with intersection signal machine linkage control, comprising: be spaced a two-sided hair of column of set distance
Light spike nail light；Each light emission side includes alternately arranged red indicating light and green indicator light；The red indicating light and green
Color indicator light passes through respective control line respectively and connect with single-chip microcontroller；The single-chip microcontroller and the spike nail light institute that semaphore controls are neighbouring
Traffic signals delivery outlet on road is connected；The double-side spike nail light is laid on lane line respectively or zebra
The two sides of line.
Further, the red indicating light and green indicator light are individually controlled by respective control line.
Further, the single-chip microcontroller by the phase information output of the traffic lights in semaphore and control spike nail light is assisted
Together, make the flashing state of spike nail light and the state relation of signal lamp.
Further, further includes: light detection module, the light detection module connect with single-chip microcontroller, examined according to light
The light intensity that detects of module is surveyed, whether controlling the work of spike nail light and its light emission luminance.
A kind of control method with the dynamic spike nail light of intersection signal machine linkage control, comprising: for being installed on lane
Spike nail light on lines:
When the signal lamp on lane is red, then the red indicating light on spike nail light that one side adjacent with the lane
Flashing, green indicator light go out, and no through traffic for the vehicle on the lane at this time；
When the signal lamp on lane is yellow, then corresponding red refers on spike nail light that one side adjacent with the lane
Show lamp and green indicator light and alternately flashed with the frequency set, warns the vehicle on the channel at this time；
When the signal lamp on lane is green, then corresponding green refers on spike nail light that one side adjacent with the lane
Show that lamp flashes, red indicating light goes out, and the vehicle on the lane being capable of safety at this time.
A kind of control method with the dynamic spike nail light of intersection signal machine linkage control, comprising: for being respectively arranged in
The two-sided spike nail light of crossing two sides:
When pedestrian crosswalk signal lamp is green, for crossing, the two-sided spike nail light of crossing two sides
In green indicator light close to two sides of crossing work, pedestrian can cross the street safely；Crossing two sides it is two-sided
The red indicating light work of two sides in spike nail light far from row lateral road, warning vehicle watch for pedestrians；
When pedestrian crosswalk signal lamp is by green redden, for crossing, in the spike nail light of crossing two sides
The indicator light of side fades to whole red by full green from crossing one end to the other end；Meanwhile it will be by way of according to pedestrian
Car lane on motor vehicle signal lamp red open the bright time, in real time calculate crossing region one skilled in the art by intersection most
Short green time, and crossing can be passed through safely to pedestrian and judged；
When pedestrian crosswalk signal lamp is red, for crossing, on the inside of the spike nail light of crossing two sides
The red indicating light in face works, and pedestrian forbids crossing the street；The green indicator light of the spike nail light lateral surface of crossing two sides is dodged
It is bright, remind vehicle front crossing can low speed pass through.
Further, it calculates crossing region one skilled in the art and passes through the method for the Minimum Green Time of intersection specifically:
It is laid with the zebra stripes zone length of spike nail light and the ratio of setting pedestrian's leg speed, along with setting for prompt pedestrian's street crossing
Determine scintillation time.
Further, if crossing region one skilled in the art is greater than walker signal lamp by the Minimum Green Time of intersection
Green light shows the time, then the region spike nail light flashes, and is red by green conversion；If crossing region one skilled in the art passes through friendship
The Minimum Green Time of prong is less than walker signal lamp green light and shows the time, then region spike nail light display green.
Further, for crossing, the two-sided spike nail light with crossing two sides is laid, close to people's row
The luminous medial surface of lateral road, red time is identical as walker signal lamp red time, when pedestrian passes through the most short green light of intersection
Between as light emission side by it is complete it is green fade to the complete red time, remaining time is the green light all light time.
The invention has the advantages that:
Present invention is mainly applied to link at urban road intersection with semaphore, the advantage is that enables spike nail light
The information for enough showing semaphore allows passing vehicles or pedestrians to carry out judging whether to lead to by the railway spike on observation road surface
It crosses, reduces driver and pedestrian when reaching intersection, the observation to following road conditions is had ignored because of the signal lamp of observation top.
The dynamic spike nail light being installed on lines issues different information to two sides lane, not only enhances night and divides vehicle
The display of diatom, and the effects of enhancing boundary property and regulation speed, vehicle is also strengthened when driving into intersection, selects oneself
The lane of correct direction standardizes；The dynamic spike nail light being installed on crossing can play warning to the vehicle in two outsides and make
With, ensure pedestrains safety, and the information of signal lamp can be issued to the pedestrian on the crossing of inside, it is timely that pedestrian is reminded to pay attention to leading to
Row, guidance pedestrains safety street crossing, reduces the loss of yellow time in walker signal lamp.
Meanwhile a kind of energy conservation and environmental protection is provided, structure is simple and can play the spike holder of two-way warning function, improves friendship
The utilization rate of prong space resources, is greatly improved intersection capacity, avoids congestion phenomenon.The crossing of offer is yellow
The related algorithm of lamp phase improves the time availability of pedestrian's street crossing.
The dynamic spike nail light is extremely strong in reflecting at night, improves night pedestrian and the vigilant of driver, not only guarantees
Traffic safety, and keep the city night more aesthetically pleasing.
In addition, the system can also guide pedestrian, traffic safety as signal lamp under particular surroundings (haze, sand and dust etc.)
Pass through intersection.Secondly automobile can also be reduced by speed, driver is supervised to give precedence to pedestrian by the attention of raising driver,
Reduce people's vehicle conflict ratio.The system preferably guides pedestrian to walk crossing, and vehicle selects correctly exclusive road；Reduce vehicle
Close to pedestrian's speed, extend vehicle close to pedestrian's braking distance；The probability that automobile gives precedence to pedestrian is improved, the conflict of people's vehicle, drop are reduced
Low traffic accident rate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of dynamic spike nail light；
Fig. 2 is the circuit theory schematic diagram of dynamic spike nail light；
Fig. 3 is the working principle diagram of dynamic spike nail light；
Fig. 4 is the functional flow diagram of dynamic spike nail light work.
Wherein, 1. right side red light control line, 2. right side green light control lines, 3. power supply lines, 4. left side red light control lines, 5. is left
Side green light control line, the railway spike side of 6. right-turn lane Signalized controls, the railway spike side of 7. Through Lane semaphores control, 8.
The railway spike side of left turn lane Signalized control, two column railway spike medial surfaces of 9. pedestrian crosswalk signal lamps control, 10. crossings
Two column railway spike lateral surfaces of Signalized control.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.
As depicted in figs. 1 and 2, a kind of dynamic spike nail light with intersection signal machine linkage control, comprising: interval setting away from
From a column double-side spike nail light；Each light emission side includes alternately arranged red LED lamp and green LED lamp；Red LED
Lamp and green LED lamp pass through respective control line respectively and connect with single-chip microcontroller, and single-chip microcontroller and semaphore control spike nail light institute are neighbouring
Traffic signals delivery outlet on road is connected；It is formed a line and is laid on lane line or the two sides of zebra stripes.
Two sides are that three column green lights, four column red lights are alternately arranged on spike nail light in Fig. 1.Its different LED light being arranged
It is also feasible to enable to show apparent red green two kinds of color effects when its work for number of permutations variable.
This spike nail light is two-sided railway spike, and red green LED light is alternately arranged on two sides, and red green two kinds of face can be shown by making it
Color.Be divided into four lamp groups and independent between each other inside it again on the basis of conventional spike, be individually controlled, i.e., each
Lamp group is individually by a control line traffic control.Give the right side red light control line 1 of spike nail light in Fig. 2, right side green light control line 2,
Power supply line 3, left side red light control line 4 and left side green light control line 5.
Single-chip microcontroller control each column spike nail light in each side LED light it is adjacent channel on signal lamp collaboration, such as
Shown in Fig. 3.In Fig. 3, the spike nail light that is laid on lane line, comprising: the railway spike side 6 of right-turn lane Signalized control,
The railway spike side 7 of Through Lane semaphore control and the railway spike side 8 of left turn lane Signalized control.It is laid on zebra stripes
Spike nail light be laid on the both sides of crossing respectively, every one side of crossing include again inside and outside spike nail light, it is interior
Side 9 is for warning pedestrian, and lateral surface 10 is for warning vehicle.
In other embodiments, light detection module can also be set, and light detection module is connect with single-chip microcontroller, root
According to the light intensity that light detection module detects, whether controlling the work of spike nail light and its light emission luminance.
The phase information output of traffic lights in semaphore is cooperateed with the single-chip microcontroller of control spike nail light, makes spike nail light
Control of the flashing by signal lamp.Semaphore generally has three red light, green light and amber light signal outputs, and pedestrian believes
Signal lamp generally only has two phases of red light and green light.The present invention with single-chip microcontroller when cooperateing with, while using red light, Huang in semaphore
Lamp and green light signals delivery outlet, the railway spike being 1. laid on lane line: the red signal delivery outlet and railway spike of lane signal lamp
Lamp blinking red lamp state matches；Green light signals delivery outlet and spike nail light green light flashing state match；Steady yellow delivery outlet with
Alternately flashing matches with faster frequency for spike nail light red light and green light.2. being laid on the railway spike of crossing two sides: relative to
For crossing, in the LED light of two column railway spike medial surfaces, the red signal delivery outlet and spike nail light red light of walker signal lamp dodge
Bright state matches；Green light signals delivery outlet and spike nail light green light flashing state match；Steady yellow delivery outlet and spike nail light by
Full green fades to whole red state to the other end from crossing one end and matches, and time span is that the most short green light of pedestrian passes through
Time；For crossing, in the LED light of two column railway spike lateral surfaces, the red signal delivery outlet of walker signal lamp with
Spike nail light green light flashing state matches；Green light signals delivery outlet and spike nail light blinking red lamp state match；Steady yellow output
Mouth replaces flashing with spike nail light red light and green light with faster frequency and matches.
Only one general semaphore of one intersection, a semaphore can control all channels, and (lane, people's row are horizontal
Road), and on each channel it is a phase, there are the green three kinds of signal lamps of reddish yellow in phase.Because semaphore is in control signal lamp
Light on and off when, will have corresponding high low potential output, and the simulation input mouth of single-chip microcontroller detects height electricity by hardware connection
Position, and spike nail light is controlled according to phase information.
As shown in figure 4, each single-chip microcontroller can read the output of the phase information on the channel that semaphore is controlled
When voltage signal, so controlling the spike nail light of laying using single-chip microcontroller.Signal lamp on each lane or crossing with
The LED light collaboration of adjacent one side on the channel spike nail light.
When on respective channel (lane or crossing) signal lamp be green light when, spike nail light with it is green in the adjacent side of channel
Lamp flashing, at this time can safety；
When signal lamp is amber light on channel, 1. on car lane: spike nail light and green light in the adjacent side of lane and red
Lamp is alternately flashed with very fast frequency, is served as warning at this time to vehicle；2. on crossing: for crossing, two
The LED light of column railway spike medial surface fades to whole red from full green from crossing one end to the other end, and on the outside of two column railway spikes
The LED light in face is the state of blinking red lamp always.
When signal lamp is red light on channel, spike nail light and the blinking red lamp in the adjacent side of channel, no through traffic at this time.
Specific control program is as follows:
One, the spike nail light being installed on lines:
(1) when the signal lamp on a lane is red, then red LED on spike nail light that one side adjacent with the lane
Lamp flashing, green LED lamp are gone out, and no through traffic for the vehicle on the lane at this time；
(2) when the signal lamp on a lane is yellow, then spike nail light is corresponding on that adjacent one side of the lane
Red and green LED lamp is alternately flashed with faster frequency, at this time to warn the vehicle on the channel；
(3) when the signal lamp on a lane is green, then spike nail light is corresponding on that adjacent one side of the lane
Green LED lamp flashing, red LED lamp are gone out, and the vehicle on the lane can safety at this time.
Two, the spike nail light being installed on crossing two sides:
The factor for fully considering pedestrian's street crossing leg speed, street crossing time, vehicle signal control etc., designs a color
Variable dynamic spike nail light, and whether can be with safety intersection with red or green characterization pedestrian region.Specifically
Scheme are as follows:
(1) when walker signal lamp is green, for crossing, two column railway spike medial surfaces (i.e. 9 in Fig. 2)
Green LED lamp work, pedestrian can cross the street safely, and the red LED lamps of two column railway spike lateral surfaces (i.e. 10 in Fig. 2) carries out
Work, warning vehicle watch for pedestrians；
(2) when walker signal lamp is by green redden, for crossing, the LED light of two column railway spike medial surfaces by
Full green fades to whole red from crossing one end to the other end.According to pedestrian will by way of car lane on motor vehicle letter
Can signal lamp red opens the bright time, calculate time of the zebra stripes region one skilled in the art by intersection in real time, and wear safely to pedestrian
More crossing judges.Judge that principle is as follows:
Firstly, the Minimum Green Time of pedestrians travel intersection is calculated with formula 1,
In formula, Gmin--- the Minimum Green Time of pedestrians travel intersection；
LP--- the distance between two end of zebra stripes region that spike nail light is laid with；
Vp--- pedestrian's leg speed, it is quasi- select in position leg speed as designing leg speed.
Note: the Minimum Green Time of intersection is the distance between two end of zebra stripes region that spike nail light is laid with and pedestrian
The ratio of leg speed adds 7, because the prompt pedestrian's street crossing scintillation time of general intersection preferably takes 7-10 seconds time, takes here 7 seconds.
If GminThe time is shown greater than walker signal lamp green light, then the region spike nail light flashes, and is red by green conversion
Color；If GminThe time is shown less than walker signal lamp green light, then the region spike nail light lamp is green.
In addition, warning to pedestrian two inside light-emitting surfaces, when pedestrian's green light closes to an end, from one end of crossing to
The other end successively becomes red from full green, and speed is normal pedestrian's leg speed.If pedestrian reaches opposite with green wave band
Then safety, pedestrian is dangerous if falling within the subsequent red area of green wave band, and pedestrian will accelerate to catch up with the green area of front at this time
Pass through, or abandons passing through.
For crossing, the two column spike nail lights with crossing two sides are laid, close to the hair of crossing
Light medial surface, red time is identical as walker signal lamp red time, Minimum Green Time can be used as light emission side by it is complete it is green gradually
Become the complete red time, remaining time is the green light all light time.
(3) when walker signal lamp is red, for crossing, the red LED lamp of two column railway spike medial surfaces
It is flashed, pedestrian forbids crossing the street；The green LED lamp of two column railway spike lateral surfaces is flashed, and vehicle front crossing is reminded
Can low speed pass through.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (7)
1. a kind of and intersection signal machine linkage control dynamic spike nail light, characterized in that include: the column for being spaced set distance
Double-side spike nail light；Each light emission side includes alternately arranged red indicating light and green indicator light；The red instruction
Lamp and green indicator light pass through respective control line respectively and connect with single-chip microcontroller；The spike nail light of the single-chip microcontroller and semaphore control
Traffic signals delivery outlet on neighbouring road be connected；The double-side spike nail light be laid on lane line respectively and
The two sides of zebra stripes；It further include light detection module, the light detection module is connect with single-chip microcontroller, according to light detection module
The light intensity detected, whether controlling the work of spike nail light and its light emission luminance；
The phase information output of traffic lights in the semaphore is cooperateed with the single-chip microcontroller of control spike nail light, makes spike nail light
The spike nail light of the state relation of flashing state and signal lamp, the setting has following display shape by the control of the single-chip microcontroller
State: when pedestrian crosswalk signal lamp is by green redden, the indicator light of the spike nail light medial surface of crossing two sides is from crossing one
It holds to the other end and whole red is faded to by full green, when the signal lamp on lane is yellow, then spike nail light is adjacent with the lane
That one side on corresponding red indicating light and green indicator light alternately flashed with the frequency set, warned on the channel at this time
Vehicle.
2. a kind of dynamic spike nail light with intersection signal machine linkage control as described in claim 1, characterized in that described red
Color indicator light and green indicator light are individually controlled by respective control line.
3. a kind of control method with the dynamic spike nail light of intersection signal machine linkage control as described in claim 1, special
Sign is, comprising: for the spike nail light being installed on the lines of lane:
When the signal lamp on lane is red, then the red indicating light on spike nail light that one side adjacent with the lane dodges
Bright, green indicator light goes out, and no through traffic for the vehicle on the lane at this time；
When the signal lamp on lane is yellow, then corresponding red indicating light on spike nail light that one side adjacent with the lane
It is alternately flashed with green indicator light with the frequency set, warns the vehicle on the channel at this time；
When the signal lamp on lane is green, then corresponding green indicator light on spike nail light that one side adjacent with the lane
Flashing, red indicating light go out, and the vehicle on the lane being capable of safety at this time.
4. a kind of control method with the dynamic spike nail light of intersection signal machine linkage control as described in claim 1, special
Sign is, comprising: for being respectively arranged in the two-sided spike nail light of crossing two sides:
When pedestrian crosswalk signal lamp is green, for crossing, pasted in the two-sided spike nail light of crossing two sides
The green indicator light work of two sides of nearly crossing, pedestrian can cross the street safely；The two-sided railway spike of crossing two sides
The red indicating light work of two sides in lamp far from row lateral road, warning vehicle watch for pedestrians；
When pedestrian crosswalk signal lamp is by green redden, for crossing, the spike nail light medial surface of crossing two sides
Indicator light whole red is faded to by full green from crossing one end to the other end；Meanwhile according to pedestrian will by way of machine
Motor vehicle signal lamp red opens the bright time on motor-car road, calculates crossing region one skilled in the art in real time and passes through the most short green of intersection
The lamp time, and crossing can be passed through safely to pedestrian and judged；
When pedestrian crosswalk signal lamp is red, for crossing, the spike nail light medial surface of crossing two sides
Red indicating light work, pedestrian forbid crossing the street；The green indicator light of the spike nail light lateral surface of crossing two sides is flashed, and is mentioned
Wake up vehicle front crossing can low speed pass through.
5. a kind of control method with the dynamic spike nail light of intersection signal machine linkage control as claimed in claim 4, special
Sign is to calculate crossing region one skilled in the art to pass through the method for the Minimum Green Time of intersection specifically:
It is laid with the zebra stripes zone length of spike nail light and the ratio of setting pedestrian's leg speed, along with the setting of prompt pedestrian's street crossing is dodged
The bright time.
6. a kind of control method with the dynamic spike nail light of intersection signal machine linkage control as claimed in claim 4, special
Sign is, if crossing region one skilled in the art is greater than the display of walker signal lamp green light by the Minimum Green Time of intersection
Between, then the region spike nail light flashes, and is red by green conversion；If crossing region one skilled in the art is most short by intersection
Green time is less than walker signal lamp green light and shows the time, then region spike nail light display green.
7. a kind of control method with the dynamic spike nail light of intersection signal machine linkage control as claimed in claim 4, special
Sign is, for crossing, lays the two-sided spike nail light with crossing two sides, interior close to shining for crossing
Side, red time is identical as walker signal lamp red time, and pedestrian is by the Minimum Green Time of intersection as emission side
Face fades to the complete red time by entirely green, and remaining time is the green light all light time.
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| CN107680394A (en) * | 2017-01-23 | 2018-02-09 | 嵊州市派特普科技开发有限公司 | A kind of wind light mutual complementing formula traffic-control unit |
| CN106846859A (en) * | 2017-04-19 | 2017-06-13 | 温州云航信息科技有限公司 | Traffic auxiliary indication unit |
| CN107663834A (en) * | 2017-11-08 | 2018-02-06 | 苏州旭安交通科技有限公司 | Alarm column and caution system |
| CN107862879A (en) * | 2017-12-06 | 2018-03-30 | 苏州市职业大学 | A kind of traffic signals servicing unit |
| CN108053666A (en) * | 2017-12-12 | 2018-05-18 | 深圳市龙腾飞通讯装备技术有限公司 | A kind of road traffic lamp display device and method for being placed in road surface |
| CN108320498A (en) * | 2018-04-02 | 2018-07-24 | 苏州金螳螂怡和科技有限公司 | A kind of novel pedestrian railway spike of tool acousto-optic prompting |
| CN109308810A (en) * | 2018-09-13 | 2019-02-05 | 南宁市公安局交通警察支队 | A kind of motor vehicle and slow-moving traffic Conflict solving intelligence control system and method |
| CN111640328B (en) * | 2019-03-01 | 2022-05-06 | 青岛理工大学 | Zebra crossing safety warning system suitable for vehicle-road collaborative environment |
| CN109859482B (en) * | 2019-04-09 | 2024-01-30 | 江苏智通交通科技有限公司 | Road side collaborative guiding system for bidirectional green waves of trunk line |
| CN110481609A (en) * | 2019-08-16 | 2019-11-22 | 中冶南方工程技术有限公司 | Tramcar crossing warning system and its working method, installation method |
| CN111785040A (en) * | 2020-07-11 | 2020-10-16 | 南通天承光电科技有限公司 | Traffic passing prompting method and device based on green wave band |
| CN113299093A (en) * | 2021-06-04 | 2021-08-24 | 嘉兴诺德罗普润滑科技有限公司 | Improved traffic light display system |
| CN113393706A (en) * | 2021-07-14 | 2021-09-14 | 云度新能源汽车有限公司 | Automatic driving blind area early warning system and method based on intelligent traffic crossroad |
| CN113689716B (en) * | 2021-07-27 | 2023-05-12 | 广州安凯微电子股份有限公司 | BLE-based traffic signal transmission method and system |
| CN114164781A (en) * | 2021-11-02 | 2022-03-11 | 浙江华东工程建设管理有限公司 | All-in-one rod piece for urban intelligent transportation |
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| WO2007027945A1 (en) * | 2005-08-30 | 2007-03-08 | Sensact Applications, Incorporated | Wireless parking guidance system |
| CN201305827Y (en) * | 2008-06-22 | 2009-09-09 | 杜心全 | Crosswalk warning board |
| CN101520948B (en) * | 2009-04-09 | 2010-11-10 | 浙江富阳市新源交通电子有限公司 | Bus rapid transit special lane lending system and lane lending method thereof |
| CN102280040B (en) * | 2011-06-15 | 2014-04-09 | 深圳市俄菲照明有限公司 | Spike-type traffic signal lamp |
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