CN110533931A - A kind of Mobile traffic light device and method - Google Patents
A kind of Mobile traffic light device and method Download PDFInfo
- Publication number
- CN110533931A CN110533931A CN201910949370.2A CN201910949370A CN110533931A CN 110533931 A CN110533931 A CN 110533931A CN 201910949370 A CN201910949370 A CN 201910949370A CN 110533931 A CN110533931 A CN 110533931A
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- microprocessor
- module
- vehicle
- traffic lights
- traffic
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Classifications
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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
-
- 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
-
- 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
- G08G1/0955—Traffic lights transportable
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/097—Supervising of traffic control systems, e.g. by giving an alarm if two crossing streets have green light simultaneously
Abstract
A kind of Mobile traffic light device and method, including crossroad traffic light signal sending module and vehicle-mounted traffic light signal receiving module at traffic lights position at the parting of the ways is arranged；Crossroad traffic light signal sending module includes microprocessor one, one output end of microprocessor connects crossroad traffic light signal display module, one output end of microprocessor is connected by communicating sending module one with communication receipt module one, vehicle-mounted traffic light signal receiving module includes communication receipt module one, communication receipt module one and the mutually transmitting information of microprocessor three, three output end of microprocessor connects vehicle-mounted traffic lights display module, and the input terminal of microprocessor three connects GPS positioning module.With real-time, humanized, the characteristics of being suitable for the application of.
Description
Technical field
The present invention relates to traffic light signals safety control technology field, in particular to a kind of Mobile traffic light device and side
Method.
Background technique
With the development of society, vehicles number is increasingly huge, cause traffic pressure increasing, especially crossroad
The section that traffic congestion situation is extremely serious and accident high frequency occurs.Crossroads mainly pass through traffic lights at present
The control whether different directions vehicle travels or stagnate is carried out, driver observes by the naked eye the state of front traffic lights, still
Due to it sometimes appear that front vehicles are excessively high or blocking for other barriers causes driver that can not accurately see traffic lights
The case where information, appearance are not stopped in time, because erroneous judgement causes to make a dash across the red light, serious person even phenomena such as traffic accident occurs,
Not only bring property loss, serious person's even threat to life safety.For such phenomenon, there are some scholars to propose solution.
Two classes are broadly divided into, one kind is that based on information such as image recognition, traffic statistics crossroad traffic lights are carried out with the identification of image,
The information after identification is transferred to vehicle again and carries out voice prompting or liquid crystal display.As application No. is 201810473515.6
Chinese patent discloses a kind of automobile identification traffic lights method, electronic equipment, storage medium and system.For another example application number
201610571158.3 Chinese patent, disclose a kind of vehicle intelligent traffic lights interlock method and system.Utilize image recognition
The judgement of technology progress traffic lights.Although this kind of method based on image recognition can identify the state of traffic lights, by
To the influence of algorithm, so that precision is not high, delay time is longer, it cannot be guaranteed that the problem of real-time.Another kind of is using wireless
Communication module carries out the transmission of information, but does not refer to which kind of communication mode.As application No. is 201710821403.6
Chinese patent discloses a kind of matching process of vehicle reception traffic lights information.For another example application No. is 201220352200.X's
Chinese patent discloses a kind of traffic light system based on radio communication, but radio communication can only be built-in in range of visibility
Chain is found, must be unobstructed in range of visibility between two communication points, unexpected factors (such as flying bird process) all may result in communication
Line interruption.These factors are inevitable in actual road conditions.Must be taken into consideration communication mode transmission rate it is very high and transmission
Apart from the problem of.And the solution when crossroad traffic lights break down is not referred in presently disclosed patent, so
And this is the phenomenon that happening occasionally in actual traffic problem.
Summary of the invention
To overcome above-mentioned the deficiencies in the prior art, the purpose of the present invention is to provide a kind of Mobile traffic light device and sides
Method has the characteristics that precision is high, transmission rate is fast, strong real-time, failure solve in time.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of Mobile traffic light device, including the crossroad traffic lights letter at traffic lights position at the parting of the ways is arranged
Number sending module and vehicle-mounted traffic light signal receiving module；
Crossroad traffic light signal sending module includes microprocessor 1, and one 4 output end of microprocessor connects four crossway
Lipstick green light signals display module 1, one 4 output end of microprocessor pass through communication sending module 1 and one 8 phase of communication receipt module
Even, vehicle-mounted traffic light signal receiving module includes communication receipt module 1, communication receipt module 1 and 3 10 phase of microprocessor
Mutually transmitting information, 3 10 output end of microprocessor connect vehicle-mounted traffic lights display module 11, and the input terminal of microprocessor 3 10 connects
Connect GPS positioning module 12.
The crossroad traffic light signal display module 1 is for showing current crossroads traffic light state, microprocessor
One 4 for controlling crossroad traffic light signal display module 1 and being transferred to current state by communicating sending module 1
The information received is transferred to microprocessor 3 10, microprocessor 3 10 by communication receipt module 1, communication receipt module 1
For controlling vehicle-mounted traffic lights display module 11 for showing the time, GPS positioning module 12 is used to pass current location information
It is handed to microprocessor 3 10.
The input terminal of the microprocessor 1 is connected with infrared keyboard 2, one capsule of installation on traffic light pole, and on
Lock, infrared keyboard are placed in capsule, after traffic lights break down, re-type letter by infrared keyboard 2 by traffic police personnel
Breath, one 4 output end of microprocessor connect microprocessor 25, and microprocessor 25 is for controlling remote alarming module 3 to public security bureau
Traffic police command centre sends warning message, and the output end of microprocessor 25 passes through communication sending module 27 and communication receipt module
29 are connected with microprocessor 3 10.
The communication sending module 1, communication sending module 27, communication receipt module 1, communication receipt module 29
By the way of industrial Wi-Fi communication.
The vehicle-mounted traffic lights display module 12 is installed on rear of vehicle position.According to human eye vision, suitable position is adjusted
It sets, checks that traffic lights show information convenient for rear car driver.
A kind of application method of Mobile traffic light device, by storage ten simultaneously in microprocessor 1 and microprocessor 25
Word crossroads traffic light information, including each crossroads traffic light position and at this time signal lamp be in which kind of display state (it is red, it is yellow,
It is green), all directions (advance, wait, turning left, turning right) information such as countdown number of seconds when working normally, microprocessor 25 is only used for
Monitor one 4 data of microprocessor and send situation, when monitor microprocessor 1 send data exception (for example, when normal communication,
The data received are 8 data (being assumed to be 01010101), but the data of actual transmissions are less than 8) or format mismatching,
Illustrate that crossroad traffic lights break down, and is carried out with traffic lights information pre-stored in microprocessor 25 to vehicle-mounted end
The transmission of data, and control remote alarming module 3 and send warning message to traffic police command centre, public security bureau, prompt traffic police currently to open
With emergency traffic lights display mode, crossroad traffic lights is avoided to break down caused traffic safety problem；
Microprocessor 3 10 is used to receive GPS positioning module 12 and sends the car location message of coming in, microprocessor 3 10
In each crossroads traffic light position is stored in advance and signal lamp is in the information such as which kind of display state, countdown number of seconds at this time,
When microprocessor 3 10 judge current vehicle be in close to traffic lights state, and when distance be less than D when, microprocessor three
10 control communication channels are opened, and control the display that vehicle-mounted traffic lights display module 11 carries out traffic lights current state, when micro-
When processor 3 10 judges that vehicle is in the state far from traffic lights, communication channel a is closed, at this time not in the biography for carrying out data
Defeated, vehicle-mounted traffic lights display module 11 is closed.
Beneficial effects of the present invention:
Compared to traditional image recognition traffic lights method, precision is greatly improved.Using industrial Wi-Fi communication mode, protect
The requirement of real-time and transmission range is demonstrate,proved.And propose the solution when crossroad traffic lights break down.Especially
It is that vehicle-mounted traffic lights are installed on automobile rear position, and can be adjusted according to driver visual angle, convenient for rear car, driver is checked
Traffic lights information, the feature for hommization of the invention of more having withdrawn deposit.
Detailed description of the invention
Fig. 1 is system the general frame.
Fig. 2 is the vehicle-mounted traffic lights display module schematic diagram of the present invention.
Fig. 3 is vehicle-mounted traffic lights position scheme of installation of the invention (here by taking two kinds of vehicles as an example).
Fig. 4 is communication process schematic diagram.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
The communication sending module 1, communication sending module 27, communication receipt module 1 as shown in Figure 1:, communication connects
Module 29 is received by the way of industry Wi-Fi communication, to guarantee that the traffic lights of crossroad communicate one 6 energy of sending module in real time
To vehicle-mounted traffic lights communication receipt module 1 or the traffic lights of crossroad communication sending module 27 can be in real time to vehicle
It carries traffic lights communication receipt module 29 and sends data, used communication mode must have high transfer rate and be channel radio
Letter.
The microprocessor 3 10 is used to receive GPS positioning module 12 and sends the car location message of coming in.Micro process
Each crossroads traffic light position is stored in advance in device 1 and microprocessor 25 and which kind of display state signal lamp is at this time
The information such as (red, Huang, green), all directions (advance waits, turns left, turning right) countdown number of seconds.When microprocessor three (10) judges
Current vehicle is in the state close to traffic lights out, and when distance is less than D (for example, 100m), microprocessor 3 10 is controlled
Communication channel a is opened, and controls the display that vehicle-mounted traffic lights display module 11 carries out traffic lights current state.Work as microprocessor
3 10 judge vehicle be in far from traffic lights state when, communication channel close, at this time not carry out data transmission, it is vehicle-mounted
Traffic lights display module 11 is closed.
Vehicle-mounted traffic lights display module 11 not only can be with real-time display crossroad traffic lights information, when four crossway lipstick is green
When lamp breaks down, start microprocessor 25 immediately, microprocessor 25 monitors micro- place as Redundancy Design of the invention, moment
The data that send in reason device 1 are stood when microprocessor 25 detects that microprocessor 1 is not sent out data or data exception
Start microprocessor 25, and data pre-stored in microprocessor 25 are sent to vehicle-mounted end through communication channel b.
Vehicle-mounted end realizes the display of traffic lights information with the data that microprocessor 25 is sent.Such display mode can be effective
Avoid traffic safety problem caused by breaking down because of crossroad traffic lights.
The remote alarming module 3 is used to break down when microprocessor 1, when enabling microprocessor two (5), micro- place
It manages device 25 and controls remote alarming module 3 to traffic police command centre, public security bureau transmission warning message, traffic police is prompted currently to enable emergency
Traffic lights display mode needs in time again.
The infrared keyboard 1 is used for after microprocessor 1 breaks down, and traffic police personnel are by infrared keyboard 1 to micro- place
Data in reason device 1 are re-entered.
There are two communication channel a and b altogether for system, when microprocessor 1 works normally, transmit data by communication channel a,
When microprocessor 1 is abnormal, microprocessor 25 is enabled, data are transmitted by communication channel b at this time.
The embodiment of the present invention provides a kind of Mobile traffic light device and method, and traffic lights communicate sending module and vehicle-mounted
Traffic lights receiving module is by the way of industry Wi-Fi communication, to guarantee that the traffic lights communication module of crossroad can be in real time
Data are sent for the vehicle-mounted traffic lights receiving module of all vehicles in D (such as 100m) to apart from crossroads traffic light distance, such as
The position of fruit vehicle distances crossroads traffic light is excessively close, may result in communication not in time or driver has little time showing for reaction
As, therefore the present invention uses position of the vehicle distances crossroads traffic light D by taking 100m as an example to start to send data, the communication of use
Mode must have high transfer rate.Since industrial Wi-Fi communication module communication distance is up to 100-300m, transmission speed is very
Fastly, transmission speed can achieve 11mbps (802.11b) or 54mbps (802.11.a), be suitble to high speed data transfer
Business.Therefore the requirement of real-time of communication can be achieved completely.Therefore the present invention realizes transmission by the way of industry Wi-Fi communication
The transmitting of side and receiving side data.
Wi-Fi communication carries out the transmission of data code key according to 4-Way Handshake agreement, it is assumed that sender (is crossroad here
Traffic lights communicate sending module) send code key (for example, 123), (this refers to vehicle-mounted traffic lights communications reception moulds by recipient
Block) it can just be communicated with the matching of sender's code key.
As shown in Figure 2: vehicle-mounted traffic lights display module 11 of the invention selects LED matrix liquid-crystal display screen to carry out traffic lights
The display of countdown number of seconds, LED display have low brightness height, operating voltage, miniaturization, service life long, resistance to low in energy consumption, screen
Impact and steady performance.And vehicle not in communication range when, microcontroller can control LED dot matrix display screen closing,
Energy consumption can be reduced to the full extent, and LED dot matrix display screen is low in cost, the cost problem that will not get up to specific implementation causes
It influences.
The GPS positioning module 12, for the acquisition to vehicle position information, and the information that will acquire is sent to micro- place
Manage processing, calculating, the analysis etc. that data are carried out in device 3 10.The GPS positioning module 12 is used to obtain the position of current automobile
Information, such as the longitude and latitude of current vehicle.GPS positioning actually determines GPS receiver by the satellite of 4 known locations
The position of device.GPS positioning system is made of three parts, is space segment, above ground portion and environment division, basic principle respectively
It is to measure the satellite of known location the distance between to receiver user, the data for then integrating multi-satellite, which just may know that, to be connect
The specific location of receipts machine.Develop to present high-precision GPS global positioning system, realize at any time, the earth takes up an official post
Meaning a little can observe 4 satellites simultaneously, to realizeNavigation, positioning, the functions such as time service.It can using GPS navigation module
The longitude and latitude for getting current vehicle, the location information that then will acquire are transmitted to microprocessor, have in microprocessor 3 10
Then pre-stored traffic-control device location information judges that vehicle distances traffic lights position is proximate to or separate state,
Communication channel is opened if being proximate to, it is separate to close.
As shown in Figure 3: the vehicle-mounted traffic lights display module 11 is installed on rear of vehicle position, and the display module be can
Disassembly, can according to different vehicles according to the visual angle situation of rear driver carry out installation site selection (present invention with
Detailed description of the invention is carried out for two kinds of vehicles of truck and car).In order to which rear car driver believes according to the vehicle-mounted traffic lights of front truck
Breath display judgement currently answer it is no be to continue with it is forward, parking waiting or slow down.It avoids blocking caused by because of front vehicles height
Or the bad caused traffic accident of sight.
The working principle of the invention:
It is as Figure 1 and Figure 4: crossroad traffic lights information will be stored simultaneously in microprocessor 1 and microprocessor 25,
It is (preceding which kind of display state (red, Huang, green), all directions are in including each crossroads traffic light position and at this time signal lamp
Into, wait, turn left, turn right) information such as countdown number of seconds work normally when, microprocessor 25 is only used for monitoring microprocessor 1
Data send situation, when monitoring that microprocessor 1 sends data exception, illustrate that crossroad traffic lights break down, and
The transmission of data is carried out to vehicle-mounted end with traffic lights information pre-stored in microprocessor 25, and controls remote alarming module 3
Warning message is sent to traffic police command centre, public security bureau, prompts traffic police currently to enable emergency traffic lights display mode, avoids cross
Crossroads traffic light breaks down caused traffic safety problem.
The microprocessor 3 10 is used to receive GPS positioning module 12 and sends the car location message of coming in, micro process
Each crossroads traffic light position is stored in advance in device 3 10 and signal lamp is in which kind of display state, countdown number of seconds at this time
Etc. information.When microprocessor 3 10 judge current vehicle be in close to traffic lights state, and when distance be less than D when, it is micro-
Processor 3 10 controls communication channel and opens, and controls vehicle-mounted traffic lights display module 11 and carry out the aobvious of traffic lights current state
Show.When microprocessor 3 10 judges that vehicle is in the state far from traffic lights, communication channel a is closed, and is not being carried out at this time
The transmission of data, vehicle-mounted traffic lights display module 11 are closed.
Claims (6)
1. a kind of Mobile traffic light device, which is characterized in that including the four crossway at traffic lights position at the parting of the ways is arranged
Lipstick green light signals sending module and vehicle-mounted traffic light signal receiving module；
Crossroad traffic light signal sending module includes microprocessor one (4), and microprocessor one (4) output end connects four crossway
Lipstick green light signals display module (1), microprocessor one (4) output end pass through communication sending module one (6) and communications reception mould
Block one (8) is connected, and vehicle-mounted traffic light signal receiving module includes communication receipt module one (8), communication receipt module one (8) with it is micro-
Processor three (10) mutually transmits information, and microprocessor three (10) output end connects vehicle-mounted traffic lights display module (11), micro- place
The input terminal for managing device three (10) connects GPS positioning module (12).
2. a kind of Mobile traffic light device according to claim 1, which is characterized in that the crossroad traffic lights
Signal display module (1) is for showing current crossroads traffic light state, and microprocessor one (4) is for controlling crossroad traffic lights
Current state is simultaneously transferred to communication receipt module one (8) by communicating sending module one (6) by signal display module (1), is led to
The information received is transferred to microprocessor three (10) by letter receiving module one (8), and microprocessor three (10) is vehicle-mounted for controlling
For showing the time, GPS positioning module (12) is used to current location information being transferred to micro- place traffic lights display module (11)
It manages device three (10).
3. a kind of Mobile traffic light device according to claim 1, which is characterized in that the microprocessor one (4)
Input terminal be connected with infrared keyboard (2), infrared keyboard (2) is for re-typing information, the connection of microprocessor one (4) output end
Microprocessor two (5), microprocessor two (5) send report to traffic police command centre, public security bureau for controlling remote alarming module (3)
The output end of alert information, microprocessor two (5) passes through communication sending module two (7) and communication receipt module two (9) and micro process
Device three (10) is connected.
4. a kind of Mobile traffic light device according to claim 3, which is characterized in that the communication sending module one
(6), sending module two (7), communication receipt module one (8) are communicated, communication receipt module two (9) is using industry Wi-Fi communication
Mode.
5. a kind of Mobile traffic light device according to claim 1, which is characterized in that the vehicle-mounted traffic lights show mould
Block (12) is installed on rear of vehicle position.
6. a kind of application method of Mobile traffic light device, which is characterized in that by microprocessor one (4) and microprocessor two
(5) crossroad traffic lights information is stored simultaneously in, including each crossroads traffic light position and which kind of signal lamp is at this time
When the information such as display state, all directions countdown number of seconds work normally, microprocessor two (5) is only used for monitoring microprocessor one
(4) data send situation, when monitoring that microprocessor one (4) sends data exception or format mismatching, illustrate four crossway lipstick
Green light breaks down, and carries out the transmission of data to vehicle-mounted end with traffic lights information pre-stored in microprocessor two (5), and
It controls remote alarming module (3) and sends warning message to traffic police command centre, public security bureau, prompt traffic police currently to enable emergency red green
Lamp display mode avoids crossroad traffic lights from breaking down caused traffic safety problem；
Microprocessor three (10) is used to receive GPS positioning module (12) and sends the car location message of coming in, microprocessor three
(10) each crossroads traffic light position is stored in advance in and signal lamp is in which kind of display state, countdown number of seconds etc. at this time
Information, when microprocessor three (10) judge current vehicle be in close to traffic lights state, and when distance be less than D when, it is micro-
Processor three (10) controls communication channel and opens, and controls vehicle-mounted traffic lights display module (11) and carry out traffic lights current state
Display, when microprocessor three (10) judge vehicle be in far from traffic lights state when, communication channel a close, at this time not
In the transmission for carrying out data, vehicle-mounted traffic lights display module (11) is closed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910949370.2A CN110533931A (en) | 2019-10-08 | 2019-10-08 | A kind of Mobile traffic light device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910949370.2A CN110533931A (en) | 2019-10-08 | 2019-10-08 | A kind of Mobile traffic light device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111739311A (en) * | 2020-06-30 | 2020-10-02 | 湖南中车时代通信信号有限公司 | Intelligent rail train intersection priority system with redundancy arrangement |
| CN112509327A (en) * | 2020-12-06 | 2021-03-16 | 数源科技股份有限公司 | Intelligent traffic signal lamp linkage method |
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| CN106327897A (en) * | 2016-09-07 | 2017-01-11 | 重庆云途交通科技有限公司 | Signal lamp state terminal display method and system based on cooperative vehicle infrastructure technology |
| CN107146437A (en) * | 2017-06-09 | 2017-09-08 | 吉利汽车研究院（宁波）有限公司 | A kind of in-car traffic light signal shows system |
| CN107358810A (en) * | 2017-09-13 | 2017-11-17 | 湖北汽车工业学院 | A kind of matching process of vehicle receiver traffic lights information |
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| CN105206085A (en) * | 2015-10-12 | 2015-12-30 | 安徽工程大学机电学院 | Traffic lamp intelligent fault monitoring and repairing system based on internet of things |
| CN205451511U (en) * | 2015-12-24 | 2016-08-10 | 河南师范大学 | Outer information system of exploreing of car |
| CN106327897A (en) * | 2016-09-07 | 2017-01-11 | 重庆云途交通科技有限公司 | Signal lamp state terminal display method and system based on cooperative vehicle infrastructure technology |
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| CN112509327A (en) * | 2020-12-06 | 2021-03-16 | 数源科技股份有限公司 | Intelligent traffic signal lamp linkage method |
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