CN110556008A

CN110556008A - Intelligent traffic light at T-shaped intersection

Info

Publication number: CN110556008A
Application number: CN201810550057.7A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-05-31
Filing date: 2018-05-31
Publication date: 2019-12-10

Abstract

The invention relates to an intelligent traffic light at a T-shaped intersection, which comprises a solar device, a storage battery, a traffic light double-color straight signal command light, a traffic light double-color left-turn signal command light, a camera, a traffic light double-color second reading display and a central processing unit, wherein the camera is used for capturing a static image of a waiting automobile of the automobile, the static image is converted into a digital signal after being transmitted to the central processing unit, and the digital signal electronic switch is used for controlling the traffic light to work, so that the traffic light achieves the intelligent purpose, the problem that the traffic light is bright when the traffic light is bright and is not bright when the traffic light is not bright is solved, and more precious time is strived for safe driving of the automobile by automobile owners.

Description

Intelligent traffic light at T-shaped intersection

Technical Field

The invention relates to an electronic command traffic indicator light, in particular to an intelligent traffic light at a T-shaped intersection.

Background

With the daily increase of life and the scientific development of people, the family automobiles enter into every family and become main transportation means, and in order to enable the automobiles to be driven safely and orderly, traffic departments need to arrange traffic lights at road intersections to replace manual traffic guidance. The stop of red light and the running of green light are the noble and gorgeous morals of the car owners for civilized and safe driving of the car. The traffic light device installed and used on the road at present has two types of flashing and second reading, the working principle is different greatly, the interchange time of the indicator lights of the red light parking and the green light driving is compiled and set by the traffic department before the traffic lights are installed, the red light and the green light interchange device are repeated, however, the repeated interchange mode of the fixed time value is not scientific in the driving of a plurality of time periods, particularly, the traffic light device is installed at the T-shaped intersection of each trunk line, the automobile running on the trunk line can be parked and waited when meeting the red light, at the moment, no automobile passes through the junction of the T-shaped intersection at all, and the automobile owners can wait at the junction without delay, thus wasting time.

Disclosure of Invention

The invention aims to provide a traffic light capable of distinguishing whether a motor car needs to pass through a T-shaped intersection or not so as to intelligently command traffic, and aims to solve the problems that a traffic light on the T-shaped intersection is on when the traffic light is on and off when the traffic light is not on, so that the motor car driver can drive the motor car safely and strive for more precious time.

The invention is realized by the following steps: an intelligent traffic light at a T-shaped intersection comprises a solar device, a storage battery, a traffic light double-color direct signal command light, a traffic light double-color left-turn signal command light, a camera, a traffic light double-color second reading display screen and a central processing unit device.

The further technical scheme of the invention is as follows: the solar device has the following functions: the power supply can be provided at places where commercial power does not arrive, and the commercial power can be directly used at places where the commercial power arrives.

The working principle of the traffic light and the traffic light is as follows: when a signal is received, red-green interconversion is possible.

The camera functions as: it is necessary to set that an image of a car in a static state for N seconds is captured only in an area, and an image of a moving object is not captured.

The working principle of the red-green two-color second reading display screen is as follows: when a signal is received, red-green interconversion is possible.

The central processing unit device comprises a WIFI device, an image signal device and a digital signal device.

The further technical scheme of the invention is as follows: the WIFI device has the functions of: and transmitting the data signal of the point A to the point B in a WIFI mode.

The image signal device has the functions of: an image signal captured by the camera is converted into a digital signal.

The digital signal device has the functions of: the digital signal is converted into a digital electronic switch.

The invention has the beneficial effects that: by adopting the scheme, the static image of the motor vehicle captured by the camera is converted into a digital signal after being transmitted to the central processing unit, and the traffic light is controlled to work by the digital instruction electronic switch, so that the traffic light achieves the intelligent purpose, and the problems that the traffic light is on when the traffic light is on and off when the traffic light is off are solved.

Drawings

Fig. 1 is a schematic diagram of an intelligent traffic light serving a left-hand intersection main road according to the invention.

Fig. 2 is a schematic diagram of an intelligent traffic light serving a left-hand intersection branch road according to the present invention.

Fig. 3 is a schematic diagram of an intelligent traffic light structure at a left T-shaped intersection with a branch line, a two-lane crossing main road and a four-lane crossing main road.

Fig. 4 is a schematic diagram of a left turn of lane C merging into lane E, with a second pre-read period.

Fig. 5 is a schematic diagram of a time period for lane C to turn left to merge into lane E.

FIG. 6 is a schematic of a left turn merge into the F lane for a C/D lane reading second time period.

FIG. 7 is a schematic diagram of an F lane left turn merge into a C/D lane progress period.

Fig. 8 is a schematic diagram of the structure of the intelligent traffic light at the right t-junction of the branch line two-lane crossing main road and the four lanes.

In the figure:

1-a trunk road A/B/C/D road traffic light device bracket, 2-A/B road red and green two-color straight signal indicator light, 3-C road red and green two-color left-turn signal indicator light, 4-C/D road red and green two-color straight signal indicator light, 5-a central processor device, 6-C road camera, 7-trunk road red and green two-color second-reading display screen, 8-storage battery, 9-trunk road solar power generation panel, 10-branch road F traffic light device bracket, 11-F road red and green two-color left-turn signal indicator light, 12-F road central processor device, 13-F road camera, 14-storage battery, 15-branch road solar power generation panel, 16-branch road F red and green two-color second-reading display screen, 17-state of intelligent traffic light when working, h-intelligent traffic light installation point.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

As shown in figure 1, the intelligent traffic light comprises a main road A/B/C/D road traffic light device support 1, an A/B road red-green double-color straight signal indicator light 2, a C road red-green double-color left-turning signal indicator light 3, a C/D road red-green double-color straight signal indicator light 4, a main road central processing unit 5, a camera 6, a main road red-green double-color second reading display screen 7, a storage battery 8 and a main road solar power generation panel 9.

As shown in fig. 2, the intelligent traffic light comprises a branch road F-way traffic light device support 10, a branch road red-green two-color left-turn signal indicator light 11, a branch road central processing unit 12, a branch road camera 13, a branch road storage battery 14, a branch road solar power generation panel 15 and a branch road red-green two-color second reading display screen 16.

As shown in fig. 3, the intelligent traffic light comprises fig. 1 and fig. 2, and fig. 3 requires the cooperation of fig. 1 and fig. 2 to achieve the purpose of intelligence.

As shown in fig. 4, the red-green two-color direct signal indicator lamp 2 of the a/B lane is in a default normal green light direct state, the red-green two-color left-turn signal indicator lamp 3 of the C lane is in a default normal red light no-left-turn-through state, the red-green two-color direct signal indicator lamp 4 of the C/D lane is in a default normal green light direct state, and the red-green two-color left-turn signal indicator lamp 11 of the branch lane F is in a default normal red light no-left-turn-through state.

When a car on the lane C enters the lane E after left turning, the camera 6 on the lane C transmits the captured image of the motor vehicle on the lane C after N seconds of static state to the central processing unit 5, the central processing unit 5 commands the red second reading display screen 7 to start reading the second, the process is the left turning second reading in advance, when the reading second returns to zero, the second reading display screen 7 commands the red and green straight signal indicator lamp 2 of the lane A/B, the default normally green lamp is changed into the red lamp to forbid passage, meanwhile, the red and green left turning signal indicator lamp 3 of the lane C is changed into the green lamp to allow left turning passage, at the moment, the second reading display screen 7 is changed from red into green, then the lane C turns into the lane E to start reading the second, and the process is the left turning second reading of the driving.

The second reading time values of the pre-left-turn reading seconds and the left-turn driving reading seconds are compiled by the central processing units 5 and 12.

when the left-turn driving reads the second to return to zero, the main road central processing unit 5 sends a command to restore the red and green two-color straight signal indicating lamp 2 of the A/B lane to be in a default normally green lamp passing state, and restore the red and green two-color left-turn signal indicating lamp 3 of the C lane to be in a default normally red lamp and to be in a left-turn forbidden passing state.

As shown in fig. 5: the lane C vehicles can move straight when converging into the lane E left-turn driving vehicles, and the lane A vehicles can turn to the lane E from the right and the lane F vehicles can turn to the lane A from the right under the condition of ensuring safety.

The red and green two-color straight signal indicator lamp 4 of the C/D lane is in a default evergreen passing state, and is in a default evergreen straight state in the whole process of turning the C lane vehicle to the E lane.

The red and green left-turn signal indicator light 11 of the branch lane F is in a state of forbidding left-turn traffic by default normal red light, and is not changed in the whole process of turning the lane C into the lane E.

As shown in fig. 6: the F lane camera 13 transmits the static images of the motor vehicles capturing the F lane to the branch lane central processor 12, the central processor 12 commands the branch lane red-green double-color second reading display screen 16 to turn red, and the left turn-ahead second reading is started, meanwhile, the branch lane central processor 12 transmits image signals to the main lane central processor 5 to work in a WIFI transmission mode, and commands the main lane second reading display screen 7 to turn red and read the second in advance at the same time.

As shown in fig. 7: after the pre-reading second is zero, the central processor 5 of the main road instructs the red and green two-color straight signal indicator lamp 2 of the A/B road to change the default evergreen lamp into the red lamp to forbid passage, the left turn signal indicator lamp 3 of the C road and the red and green two-color left turn signal indicator lamp 3 of the C road to keep the default everred lamp, the red and green two-color straight signal indicator lamp 4 of the C/D road changes the default evergreen lamp to forbid passage, meanwhile, the central processor 12 of the branch road instructs the red and green two-color left turn signal indicator lamp 11 of the F road to change into the green lamp, at the moment, the automobile of the F road can be left-turned to converge into the C/D road, after the left turn vehicle is read for a second, the central processors 5 and 12 instruct the A/B red and green two-color straight signal indicator lamp 2 of the A/B road to return to the default evergreen lamp to the state, the left turn signal indicator lamp 3 of the C road to return to the default evergreen lamp to forbid passage, and, the green light is the default normal green light passing state, the branch line F is recovered, the red and green double-color left-turning signal indicator light 11 is the default normal red light, and the left-turning passing state is forbidden.

In the driving process, the lane A vehicle can be shifted to the lane E from the right side, and the lane F vehicle can be shifted to the lane A from the right side under the condition of ensuring safety.

After the driving process of a left turn is completed every time the vehicle is executed and the vehicle is recovered to the default normal state, an interval time period is needed, and then the left turn for the second time can be executed.

When the vehicle waiting for left turning appears in the lane C and the lane F at the same time, the first is the first of which the camera 6 and the camera 13 are started.

After the execution of the program for turning left on one lane is finished, the default driving normal state needs to be recovered, and the program for turning left on the other lane is started at a time interval.

As shown in fig. 8: referring to the principles of fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7 of the left T-shaped intersection, the right T-shaped intersection intelligent traffic light can be realized in the same way.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a T crossing intelligence traffic lights which characterized in that: the system comprises a solar device, a storage battery, a red-green double-color direct signal command lamp, a red-green double-color left-turning signal command lamp, a camera, a red-green double-color second reading display screen and a central processing unit.

2. The intelligent traffic light at a T-junction according to claim 1, wherein: the central processing unit device comprises a WIFI device, an image signal device and a digital signal device.

3. A t-junction intelligent traffic light as recited in claims 1 and 2 wherein: the camera needs to be set to capture only images of motor vehicles and non-motor vehicles within an area that has been static for N seconds, and not to capture images that are dynamic.

4. The intelligent traffic light at a T-junction according to claims 2 and 3, wherein: the static images of motor vehicles and non-motor vehicles captured by the camera are transmitted to the central processor unit and then converted into digital signals, and the digital command electronic switch controls the traffic lights to work.