CN109979208A - A kind of vehicle driving safety and the traffic system of anti-congestion - Google Patents
A kind of vehicle driving safety and the traffic system of anti-congestion Download PDFInfo
- Publication number
- CN109979208A CN109979208A CN201711439794.1A CN201711439794A CN109979208A CN 109979208 A CN109979208 A CN 109979208A CN 201711439794 A CN201711439794 A CN 201711439794A CN 109979208 A CN109979208 A CN 109979208A
- Authority
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- China
- Prior art keywords
- level
- swivel mount
- flap
- traffic
- hydraulic cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/529—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users specially adapted for signalling by sound or vibrations, e.g. rumble strips; specially adapted for enforcing reduced speed, e.g. speed bumps
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
Abstract
A kind of vehicle driving safety of the invention and the traffic system of anti-congestion, including several deceleration strips, several pressure sensors, several image acquisition devices and control system, the deceleration strip includes pedestal, flap is equipped with above the pedestal, swivel mount is equipped between the pedestal and the flap, the flap includes successively hinged double reduction plate, three-level flap and level Four flap, the level Four flap is articulated with the pedestal side, the double reduction plate connects primary speed-down plate, the primary speed-down plate is connected to the swivel mount side, the double reduction plate is connected to the swivel mount other side, the swivel mount is articulated with the middle of the base, it is opened up on the pedestal fluted, hydraulic cylinder is hinged in the groove, the hydraulic cylinder other end is articulated on the swivel mount by telescopic rod, it can be simultaneously for machine Motor-car and non power driven vehicle are monitored and are conducive to safe vehicle driving safety and anti-congestion.
Description
Technical field
The present invention relates to technical field of traffic control, and in particular to the traffic system of a kind of vehicle driving safety and anti-congestion
System.
Background technique
With China's expanding economy, the traffic problems in city are on the rise, and the traffic lights of many roads is all simple
Straight-through straight trip does not account for the peak of road traffic dynamic change bring vehicle flowrate and the ebb problem of vehicle flowrate, a conjunction
The Design of Traffic Lights of reason is able to maintain that good road order, and a unreasonable traffic lights can bring fiber crops to road traffic
It is tired, many times congestion of road, confusion be all due to caused by traffic lights, in city it is often the case that
A certain period, the waiting vehicle in red light direction have been arranged very long, and green light direction does not have vehicle or seldom vehicle to pass through, and both wastes in this way
The time of people, the waste of the energy is also resulted in, the simple traffic lights control in crossroad has been unable to meet the need of actual life
It wants, the patent of Publication No. CN206097477U discloses a kind of crossroad access lamp control system based on vehicle flowrate, leads to
The vehicle flowrate crossed on acquisition each of crossroad road controls time of each traffic lights switching, balanced each crossing vehicle
Transit time, improve efficiency of the vehicle by crossing as far as possible, avoid by red light stop wait vehicle troop head
Length is spent, causes a chain of the problem of blocking, but the control system is only effective for motor vehicles, it is many non-maneuver in actual life
Vehicle and pedestrian is often or there is a phenomenon where making a dash across the red light, in addition, the system switches traffic letter according to the vehicle flowrate of motor vehicles
The time of signal lamp, it is easy to cause non power driven vehicle and walk to crossroad middle position, signal lamp just has switched, more
Add the congestion and confusion for be easy to causeing crossing, is unfavorable for maintaining good road order.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind simultaneously for motor vehicles and non-motor vehicle
It is monitored and is conducive to the traffic system of safe vehicle driving safety and anti-congestion.
The present invention solves its technical problem and adopts the following technical solutions to achieve:
A kind of vehicle driving safety and the traffic system of anti-congestion, including it is several deceleration strips, several pressure sensors, several
Image acquisition device and control system, the deceleration strip include pedestal, are equipped with flap above the pedestal, the pedestal with it is described
Swivel mount is equipped between flap, the flap includes that successively hinged double reduction plate, three-level flap and level Four are slowed down
Plate, the level Four flap are articulated with the pedestal side, and the double reduction plate connects primary speed-down plate, the primary speed-down
Plate is connected to the swivel mount side, and the double reduction plate is connected to the swivel mount other side, and the swivel mount is articulated with
The middle of the base, opens up on the pedestal fluted, hydraulic cylinder is hinged in the groove, the hydraulic cylinder other end passes through
Telescopic rod is articulated on the swivel mount.
In above-mentioned vehicle driving safety and the traffic system of anti-congestion, further, the control system includes master control
Device processed, the master controller are electrically connected clock module, memory module, traffic lights drive module and Driven by Hydraulic Cylinder module,
Several pressure sensors are electrically connected by level-one wireless communication module with the master controller, and described image collector passes through
Secondary wireless communication module is electrically connected with the master controller, and the traffic lights drive module connects traffic light, the liquid
Cylinder pressure drive module is separately connected several hydraulic cylinders.
In above-mentioned vehicle driving safety and the traffic system of anti-congestion, further, the pressure sensor is set to
In car lane, several pressure sensors are provided in every car lane, the pressure sensor is set to apart from road
At the position mouth 200m-500m, the deceleration strip and described image collector are respectively arranged at the position of non-motorized lane crossing, institute
Image acquisition device is stated towards direction to the car, towards direction to the car, the traffic indicates the primary speed-down plate of the deceleration strip
Lamp is set to crossing middle position, and the set-up of control system is at the traffic light.
In above-mentioned vehicle driving safety and the traffic system of anti-congestion, further, the primary speed-down plate with it is described
Double reduction plate is arranged in fold-line-shaped, and the double reduction plate and the three-level flap are arranged in " V " type, and the three-level is slowed down
Plate and the level Four flap are arranged in fold-line-shaped.
In above-mentioned vehicle driving safety and the traffic system of anti-congestion, further, the swivel mount is " L " type, institute
The long side for stating swivel mount is level-one swivel mount, and short side is second level swivel mount, and the primary speed-down plate is connected to the level-one rotation
On frame, the double reduction plate is connected on the second level swivel mount.
In above-mentioned vehicle driving safety and the traffic system of anti-congestion, further, the groove is respectively arranged on described
Swivel mount two sides, the hydraulic cylinder are hingedly connected to that the groove is ipsilateral, and the hydraulic cylinder of level-one swivel mount side is logical
It crosses the telescopic rod to be articulated on the level-one swivel mount, the hydraulic cylinder of second level swivel mount side passes through described flexible
Bar is articulated on the second level swivel mount.
The advantages and positive effects of the present invention are:
1. the present invention is switched by the deceleration strip of the setting changeable shape at non-motorized lane crossing in traffic light
When, hydraulic cylinder drives swivel mount rotation, is detached from primary speed-down plate and pedestal, realizes the blocking to non power driven vehicle, greatly
The probability to make a dash across the red light is reduced, the behavior that non power driven vehicle makes a dash across the red light effectively is prevented, not only protects personal safety, but also cultivated certainly
Feel the habit for abiding by traffic simultaneously again it is possible to prevente effectively from traffic disturbance and congestion；
2. the image acquisition device that the present invention is arranged is for monitoring non power driven vehicle and the flow of pedestrian, the pressure sensing of setting
Device is used to monitor the flow of motor vehicles, and control system is adjusted traffic light according to a variety of data of synthesis, more closes
Physical and chemical and hommization.
Detailed description of the invention
Technical solution of the present invention is described in further detail below with reference to drawings and examples, but should
Know, these attached drawings are designed for task of explanation, therefore not as the restriction of the scope of the invention.In addition, except non-specifically
It points out, these attached drawings are meant only to conceptually illustrate structure construction described herein, without to be drawn to scale.
Fig. 1 is mounting structure schematic diagram of the invention；
Fig. 2 is system structure diagram of the invention；
Fig. 3 is the structural schematic diagram of deceleration strip in the present invention；
Fig. 4 is the structural schematic diagram for the deceleration strip that shape changes in the present invention.
In figure:
1, deceleration strip, 2. pressure sensors, 3. image acquisition devices, 4. traffic lights, 5. pedestals, 6. swivel mounts, 7. 2
Grade flap, 8. primary speed-down plates, 9. three-level flaps, 10. level Four flaps, 11. grooves, 12. hinged seats, 13. hydraulic cylinders,
14. telescopic rod, 15. level-one swivel mounts, 16. second level swivel mounts, 17. level-one wireless communication modules, 18. secondary wireless communication moulds
Block, 19. master controllers, 20. clock modules, 21. memory modules, 22. traffic lights drive modules, 23. Driven by Hydraulic Cylinder modules.
Specific embodiment
Firstly, it is necessary to which explanation, illustrates vehicle driving safety of the invention below and is prevented by by way of example
Specific structure, features and advantages of the traffic system of congestion etc., however what all descriptions were intended merely to be illustrated, without answering
It is understood as forming any restrictions to the present invention.In addition, what is be described by or imply in each embodiment mentioned by this paper appoints
It anticipates single technical characteristic, or shown or implicit any single technical characteristic in the drawings, it still can be in these technologies
Continue any combination between feature (or its equivalent) or delete, to obtain the sheet that may do not referred to directly herein
More other embodiments of invention.For the sake of simplifying drawing, same or like technical characteristic in the same figure may
Only indicated at one.
In the description of the present invention, it should be noted that the orientation of instructions such as term " top ", " middle part ", " ipsilateral " or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention, in addition, term " level-one ", " second level ", " three-level ", " level Four " are used for description purposes only, and
It cannot be understood as indicating or implying relative importance or implicitly indicate the quantity of indicated technical characteristic.
Now in conjunction with attached drawing, the present invention is described in further detail, and these attached drawings are simplified schematic diagram, only to show
Meaning mode illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As Figure 1-Figure 4, a kind of vehicle driving safety and the traffic system of anti-congestion, including it is several deceleration strips 1, several
Pressure sensor 2, several image acquisition devices 3 and control system, deceleration strip 1 include pedestal 5, are equipped with flap, bottom above pedestal 5
Swivel mount 6 is equipped between seat 5 and flap, flap includes successively hinged double reduction plate 7, three-level flap 9 and level Four
Flap 10, level Four flap 10 are articulated with 5 side of pedestal, and double reduction plate 7 connects primary speed-down plate 8, and primary speed-down plate 8 connects
It is connected to 6 side of swivel mount, double reduction plate 7 is connected to 6 other side of swivel mount, and swivel mount 6 is articulated in the middle part of pedestal 5, on pedestal 5
Fluted 11 are opened up, hydraulic cylinder 13 is hinged in groove 11,13 other end of hydraulic cylinder is articulated with swivel mount 6 by telescopic rod 14
On.
Control system includes master controller 19, and master controller 19 is electrically connected clock module 20, memory module 21, traffic
Lamp drive module 22 and Driven by Hydraulic Cylinder module 23, several pressure sensors 2 pass through level-one wireless communication module 17 and main control
Device 19 is electrically connected, and image acquisition device 3 is electrically connected by secondary wireless communication module 18 with master controller 19, traffic lights drive module
22 connection traffic lights 4, Driven by Hydraulic Cylinder module 23 are separately connected several hydraulic cylinders 13, and pressure sensor 2 is set to motor-driven
In lane, several pressure sensors 2 are provided in every car lane, pressure sensor 2 is set to apart from crossing 200m-500m
At position, deceleration strip 1 and image acquisition device 3 are respectively arranged at the position of non-motorized lane crossing, and image acquisition device 3 is towards carrying out vehicle
Direction, for the primary speed-down plate 8 of deceleration strip 1 towards direction to the car, traffic light 4 is set to crossing middle position, control system
It is set at traffic light 4, primary speed-down plate 8 and double reduction plate 7 are arranged in fold-line-shaped, and double reduction plate 7 subtracts with three-level
Fast plate 9 is arranged in " V " type, and three-level flap 9 and level Four flap 10 are arranged in fold-line-shaped, and swivel mount 6 is " L " type, swivel mount 6
Long side be level-one swivel mount 15, short side is second level swivel mount 16, and primary speed-down plate 8 is connected on level-one swivel mount 15, second level
Flap 7 is connected on second level swivel mount 16, and groove 11 is respectively arranged on 6 two sides of swivel mount, and hydraulic cylinder 13 is hingedly connected to groove
11 is ipsilateral, and the hydraulic cylinder 13 of 15 side of level-one swivel mount is articulated on level-one swivel mount 15 by telescopic rod 14, second level swivel mount
The hydraulic cylinder 13 of 16 sides is articulated on second level swivel mount 16 by telescopic rod 14.
The course of work: the present embodiment by every car lane be arranged three pressure sensors 2 for, be respectively arranged at away from
On road surface from crossing 200m, 300m, 400m, be installed on pressure sensor 2 on road to the traffic conditions of motor vehicles into
Row acquisition, is installed on the image acquisition device 3 at crossing and is acquired to the traffic conditions of non power driven vehicle, pressure sensor 2 is adopted
The data of collection are uploaded to master controller 19 by level-one wireless communication module 17, and the data that image acquisition device 3 acquires pass through second level
Wireless communication module 18 is uploaded to master controller 19, and operator carries out judging whether to need to extend or contract to the data of upload
The operation of the display time of short traffic light 4, operator are transferred to 22 He of traffic lights drive module by master controller 19
Driven by Hydraulic Cylinder module 23, traffic lights drive module 22 control the display situation of traffic light 4, and Driven by Hydraulic Cylinder module 23 is controlled
The working condition of hydraulic cylinder 13 processed；
When specifically used, when the flow of motor vehicles and non power driven vehicle on North and South direction road is larger, operation
The green light transit time of the direction is appropriately extended in personnel, and motor vehicles are passed through by crossing, and non power driven vehicle crosses deceleration strip 1 by road
Mouth passes through, and when the traffic display lamp of North and South direction road shows red light, control system sends a signal to Driven by Hydraulic Cylinder module
23,23 driving hydraulic cylinder of Driven by Hydraulic Cylinder module opens 13 and moves, and the hinged hydraulic cylinder 13 of level-one swivel mount 15 drives telescopic rod 14 to stretch
Long, the hinged hydraulic cylinder 13 of second level swivel mount 16 drives telescopic rod 14 to shorten, and under the drive of hydraulic cylinder 13, swivel mount 6 is along hinge
Joint chair 12 rotates, and primary speed-down plate 8 and pedestal 5 is driven to be detached from, and the angle between double reduction plate 7 and three-level flap 9 becomes smaller,
Angle between three-level flap 9 and level Four flap 10 becomes smaller, and level Four flap 10 is flipped up along hinged seat 12, non-at this time
Motor vehicles can not be by deceleration strip 1, and when the traffic light 4 of east-west direction road shows amber light, control system sends signal
To Driven by Hydraulic Cylinder module 23, the starting of 23 driving hydraulic cylinder 13 of Driven by Hydraulic Cylinder module, the hinged hydraulic cylinder of level-one swivel mount 15
13 driving telescopic rods 14 shorten, and the hinged hydraulic cylinder 13 of second level swivel mount 16 drives telescopic rod 14 to extend, and swivel mount 6 is along hinged seat
12 rotations, drive primary speed-down plate 8 to connect with pedestal 5, and when green light lights, deceleration strip 1 restores to original state, non-motor vehicle
Can successively it be passed through by primary speed-down plate 8, double reduction plate 7, three-level flap 9 and level Four flap 10, when on side's road
Motor vehicles and non power driven vehicle flow it is inconsistent when, if the motor vehicles flow on North and South direction road is larger, thing
When non power driven vehicle flow on the road of direction is larger, operator can maintain the display time of traffic light constant.
It should be noted that the power supply that control system uses in the present invention can be and convert through voltage for direct current
Circuit conversion is also possible to DC power supply at the alternating current of direct current, and the device to need to power in entire control system is supplied
Electricity.
It should be noted that unless otherwise clearly defined and limited, the connection type in the present invention uses the prior art
The conventional means such as bolt, rivet, the welding of middle maturation, details are not described herein, but will not influence this field skill due to the above reasons,
The repetition of art personnel.
It should be noted that specific structure and the connection of traffic lights drive module and Driven by Hydraulic Cylinder module in the present invention
Mode is the prior art, is the customary means of the technical field technical staff, and details are not described herein, but due to above-mentioned original
Cause will not influence the repetition of those skilled in the art.
The present embodiment is switched by the deceleration strip of the setting changeable shape at non-motorized lane crossing in traffic light
When, hydraulic cylinder drives swivel mount rotation, is detached from primary speed-down plate and pedestal, realizes the blocking to non power driven vehicle, greatly
The probability to make a dash across the red light is reduced, the behavior that non power driven vehicle makes a dash across the red light effectively is prevented, not only protects personal safety, but also cultivated certainly
Feel the habit for abiding by traffic simultaneously again it is possible to prevente effectively from traffic disturbance and congestion.
Above embodiments describe the invention in detail, but content is only the preferred embodiment of the present invention, no
It can be believed to be used to limit the scope of the invention.Any changes and modifications in accordance with the scope of the present application,
It should still fall within the scope of the patent of the present invention.
Claims (6)
1. a kind of vehicle driving safety and the traffic system of anti-congestion, including several deceleration strips, several pressure sensors, Ruo Gantu
As collector and control system, it is characterised in that: the deceleration strip includes pedestal, and flap is equipped with above the pedestal, described
Swivel mount is equipped between pedestal and the flap, the flap includes successively hinged double reduction plate, three-level flap
With level Four flap, the level Four flap is articulated with the pedestal side, and the double reduction plate connects primary speed-down plate, institute
It states primary speed-down plate and is connected to the swivel mount side, the double reduction plate is connected to the swivel mount other side, the rotation
Pivoted frame is articulated with the middle of the base, opens up fluted on the pedestal, and hydraulic cylinder, the hydraulic cylinder are hinged in the groove
The other end is articulated on the swivel mount by telescopic rod.
2. a kind of vehicle driving safety according to claim 1 and the traffic system of anti-congestion, it is characterised in that: the control
System processed includes master controller, and the master controller is electrically connected clock module, memory module, traffic lights drive module and liquid
Cylinder pressure drive module, several pressure sensors are electrically connected by level-one wireless communication module with the master controller, described
Image acquisition device is electrically connected by secondary wireless communication module with the master controller, and the traffic lights drive module connects traffic
Indicator light, the Driven by Hydraulic Cylinder module are separately connected several hydraulic cylinders.
3. a kind of vehicle driving safety according to claim 2 and the traffic system of anti-congestion, it is characterised in that: the pressure
Force snesor is set in car lane, and several pressure sensors, the pressure sensing are provided in every car lane
Device is set at the position 200m-500m of crossing, and the deceleration strip and described image collector are respectively arranged at non-motor vehicle
At the position of road crossing, described image collector comes vehicle side towards direction to the car, the primary speed-down plate direction of the deceleration strip
To the traffic light is set to crossing middle position, and the set-up of control system is at the traffic light.
4. a kind of vehicle driving safety according to claim 1 and the traffic system of anti-congestion, it is characterised in that: described one
Grade flap and the double reduction plate are arranged in fold-line-shaped, and the double reduction plate is set with the three-level flap in " V " type
It sets, the three-level flap and the level Four flap are arranged in fold-line-shaped.
5. a kind of vehicle driving safety according to claim 1 and the traffic system of anti-congestion, it is characterised in that: the rotation
Pivoted frame is " L " type, and the long side of the swivel mount is level-one swivel mount, and short side is second level swivel mount, the primary speed-down plate connection
In on the level-one swivel mount, the double reduction plate is connected on the second level swivel mount.
6. a kind of vehicle driving safety according to claim 5 and the traffic system of anti-congestion, it is characterised in that: described recessed
Slot is respectively arranged on the swivel mount two sides, and it is ipsilateral that the hydraulic cylinder is hingedly connected to the groove, level-one swivel mount side
The hydraulic cylinder be articulated on the level-one swivel mount by the telescopic rod, second level swivel mount side it is described hydraulic
Cylinder is articulated on the second level swivel mount by the telescopic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711439794.1A CN109979208A (en) | 2017-12-27 | 2017-12-27 | A kind of vehicle driving safety and the traffic system of anti-congestion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711439794.1A CN109979208A (en) | 2017-12-27 | 2017-12-27 | A kind of vehicle driving safety and the traffic system of anti-congestion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109979208A true CN109979208A (en) | 2019-07-05 |
Family
ID=67072356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711439794.1A Pending CN109979208A (en) | 2017-12-27 | 2017-12-27 | A kind of vehicle driving safety and the traffic system of anti-congestion |
Country Status (1)
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| CN (1) | CN109979208A (en) |
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| CN2763343Y (en) * | 2004-08-04 | 2006-03-08 | 冯玉来 | Safety barricade device for traffic signal lamp |
| CN101265693A (en) * | 2008-04-21 | 2008-09-17 | 朱惠芬 | Automobile forced reduction apparatus linked with sign lamp |
| CN202018741U (en) * | 2011-05-05 | 2011-10-26 | 中国人民解放军第三军医大学 | Traffic control facility |
| CN103295410A (en) * | 2013-05-23 | 2013-09-11 | 无锡商业职业技术学院 | Traffic light compulsive auxiliary system |
| WO2015015264A1 (en) * | 2013-07-30 | 2015-02-05 | Pavan Eugenio | Improved road crossing system for pedestrians and cyclists |
| CN104658243A (en) * | 2013-11-21 | 2015-05-27 | 西安丁子电子信息科技有限公司 | Traffic crossing jam remission method and device |
| CN105862616A (en) * | 2016-05-29 | 2016-08-17 | 华南理工大学 | Liftable speed reduction belt |
| CN106297332A (en) * | 2016-09-27 | 2017-01-04 | 常州大学怀德学院 | A kind of intelligent traffic control system based on pressure transducer |
| CN107393315A (en) * | 2017-06-03 | 2017-11-24 | 山东星志智能交通科技有限公司 | Urban traffic signal control system based on intelligent acquisition real time data |
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2017
- 2017-12-27 CN CN201711439794.1A patent/CN109979208A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2763343Y (en) * | 2004-08-04 | 2006-03-08 | 冯玉来 | Safety barricade device for traffic signal lamp |
| CN101265693A (en) * | 2008-04-21 | 2008-09-17 | 朱惠芬 | Automobile forced reduction apparatus linked with sign lamp |
| CN202018741U (en) * | 2011-05-05 | 2011-10-26 | 中国人民解放军第三军医大学 | Traffic control facility |
| CN103295410A (en) * | 2013-05-23 | 2013-09-11 | 无锡商业职业技术学院 | Traffic light compulsive auxiliary system |
| WO2015015264A1 (en) * | 2013-07-30 | 2015-02-05 | Pavan Eugenio | Improved road crossing system for pedestrians and cyclists |
| CN104658243A (en) * | 2013-11-21 | 2015-05-27 | 西安丁子电子信息科技有限公司 | Traffic crossing jam remission method and device |
| CN105862616A (en) * | 2016-05-29 | 2016-08-17 | 华南理工大学 | Liftable speed reduction belt |
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| CN107393315A (en) * | 2017-06-03 | 2017-11-24 | 山东星志智能交通科技有限公司 | Urban traffic signal control system based on intelligent acquisition real time data |
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Application publication date: 20190705 |
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