CN108922210B - Intelligent signal lamp optimizing device and signal lamp control method - Google Patents
Intelligent signal lamp optimizing device and signal lamp control method Download PDFInfo
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- CN108922210B CN108922210B CN201810906759.4A CN201810906759A CN108922210B CN 108922210 B CN108922210 B CN 108922210B CN 201810906759 A CN201810906759 A CN 201810906759A CN 108922210 B CN108922210 B CN 108922210B
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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
- G08G1/08—Controlling traffic signals according to detected number or speed of vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses an intelligent signal lamp optimizing device and a signal lamp control method, wherein a camera is arranged on each road waiting for traffic lights to collect vehicle information on each lane, the information is sent to signal lamps on other channels through a ZigBee wireless transceiver, the vehicle information collected by the camera is counted through binarization processing, a central processing unit is used for adjusting controllers on the channels according to the number of vehicles on the channels to make corresponding judgment, the state of the signal lamps is further adjusted, the display time of the traffic lights is further adjusted, and vehicles on the corresponding other lanes are allowed to pass. The traffic light on-off time of the signal lamp can be adjusted according to the vehicle condition on the lane, so that traffic jam is effectively relieved, and a large amount of time is saved.
Description
Technical Field
The invention relates to the field of road traffic signal lamp optimization, in particular to an intelligent signal lamp optimization device and a signal lamp control method.
Background
With the development of cities, the traffic flow is increased, and the problem of urban traffic congestion is easily caused. The intersection is a throat channel of an urban road network, is also a place where people flow and vehicles are gathered, and is most likely to generate traffic jam phenomenon, so that intelligent control of the intersection signals is more urgent. The traffic capacity of the intersections is improved to the greatest extent, and a safe, smooth, efficient, low-pollution and low-energy-consumption traffic environment is provided for the development of economy and the life of people.
In the prior art, the lighting time of the traffic signal lamp in each period is fixed, the signal lamp cannot be adjusted according to the condition of the vehicle on the lane, for example, when a vehicle is not on a lane for turning left in the south and a vehicle is on a lane for turning right and a lane for turning right, the traffic of the vehicle which needs to turn left or the vehicle which is on the north cannot be adjusted, so that the waiting time of the vehicle which needs to turn left or the vehicle which is on the north is prolonged; when the left-turn lane has vehicles and the straight lane and the right-turn lane do not have vehicles, the traffic of the vehicles needing left-turn on the north or the vehicles needing straight-going on the east cannot be regulated, so that the waiting time of the vehicles needing left-turn on the north or the vehicles needing straight-going on the east is prolonged. A lot of time is wasted, causing traffic congestion.
Disclosure of Invention
In order to solve the problems, the invention aims to provide an intelligent signal lamp optimizing device and a signal lamp control method, wherein a camera is arranged on each road waiting for traffic lights to collect vehicle information on each lane, the information is sent to signal lamps on other lanes through a ZigBee wireless transceiver, the vehicle information collected by the camera is counted through binarization processing, a central processing unit is used for adjusting controllers on the lanes according to the number of vehicles on the lanes to make corresponding judgment, the state of the signal lamps is further adjusted, the time displayed by the traffic lights is further adjusted, and vehicles on the other corresponding lanes are allowed to pass. The traffic light on-off time of the signal lamp can be adjusted according to the vehicle condition on the lane, so that traffic jam is effectively relieved, and a large amount of time is saved.
In order to achieve the above purpose, the intelligent signal lamp optimizing device and the signal lamp control method provided by the invention are realized as follows:
the intelligent signal lamp optimizing device comprises a south stay bar, a south camera, a first control circuit board, a first ZigBee router, a east stay bar, a east camera, a second control circuit board, a second ZigBee router, a north stay bar, a north camera, a third control circuit board, a third ZigBee router, a west stay bar, a west camera, a fourth control circuit board, a fourth ZigBee router and a central processor, wherein the south stay bar is erected on a south channel of a signal lamp intersection and is used for supporting the south camera, the first control circuit board and the first ZigBee router are arranged on a signal lamp on the south, traffic information of the south straight, right-turning and left-turning channels is acquired by the first camera and the south camera, the traffic information acquired by the first camera and the south camera is transmitted to the first control circuit board, the acquired image is subjected to binarization processing by the first control circuit board, and then the first control circuit board is used for transmitting the acquired traffic information to the central processor; an east brace rod is erected on an east channel of a signal lamp intersection and used for supporting an east camera, a second control circuit board and a second ZigBee router are arranged on an east signal lamp, traffic flow information of the east straight-going channel, the right-turning channel and the left-turning channel is collected by the second camera and the east camera, the traffic flow information collected by the second camera and the east camera is transmitted to the second control circuit board, and the second control circuit board carries out binarization processing on the collected image and then controls the second ZigBee router to transmit the traffic flow information to a central processor; a north stay bar is erected on a north channel of a signal lamp intersection and is used for supporting a north camera, a third control circuit board and a third ZigBee router are arranged on a north signal lamp, traffic flow information of a north straight channel, a right-turn channel and a left-turn channel is collected by the third camera and the north camera, the traffic flow information collected by the third camera and the north camera is transmitted to the third control circuit board, and the third control circuit board carries out binarization processing on the collected image and then controls the third ZigBee router to transmit the traffic flow information to a central processor; a western stay bar is erected on a western channel of a signal lamp intersection and is used for supporting a western camera, a fourth control circuit board, a fourth ZigBee router and a central processing unit are arranged on a western signal lamp, traffic flow information of a western straight-going channel, a right-turning channel and a left-turning channel is collected by the fourth camera and the western camera, the traffic flow information collected by the fourth camera and the western camera is transmitted to the fourth control circuit board, and the fourth control circuit board is used for carrying out binarization processing on the collected image and then controlling the fourth ZigBee router to transmit the traffic flow information to the central processing unit.
According to the invention, upright stay bars are arranged on east, south, west and north channels of a signal lamp intersection at intervals of 50 meters, and the first camera, the second camera, the third camera and the fourth camera are respectively separated from a first south stay bar on a south channel, a first east stay bar on an east channel, a first north stay bar on a north channel and a first west stay bar on a west channel by 40 meters, so that traffic flow information on the east, south, west and north channels can be acquired more clearly.
The central processing unit is used for collecting the information processed by the first control circuit board, the second control circuit board, the third control circuit board and the fourth control circuit board, and comprises a controller and a ZigBee coordinator, wherein the ZigBee coordinator receives the information sent by the first ZigBee router, the second ZigBee router, the third ZigBee router and the fourth ZigBee router and transmits the information to the controller, the controller processes and analyzes the information according to the transmitted data information, and the first control circuit board, the second control circuit board, the third control circuit board and the fourth control circuit board are respectively controlled according to traffic flow information on four channels of south, east, north and west to control the corresponding signal lamp to work.
The signal lamp control method of the intelligent signal lamp optimizing device comprises the following steps:
A. the first camera and the south camera acquire vehicles on a straight-going and right-turning channel in the south of the signal lamp intersection, the left-turning channel is free of vehicles, the first ZigBee router is controlled to send information to the ZigBee coordinator after the image processing of the first control circuit board, and then the processor controls the coordinator to send information to the second ZigBee router, the third ZigBee router and the fourth ZigBee router:
A1. when the controller analyzes that the vehicles in the north straight-going channel are more than the vehicles in the west left-turning mode, the second control circuit board controls the eastern signal lamps to turn on straight-going red lamps and left-turning red lamps, the third control circuit board controls the north signal lamps to turn on straight-going green lamps and left-turning red lamps, the fourth control circuit board controls the west signal lamps to turn on straight-going red lamps and left-turning red lamps, and the first control circuit board controls the south signal lamps to turn on straight-going green lamps and left-turning red lamps;
A2. when the controller analyzes that the vehicles in the western left-turn channel are more than the vehicles in the northern area, the second control circuit board controls the eastern signal lamp to turn on the straight red light and the left-turn green light, the third control circuit board controls the northern signal lamp to turn on the straight green light and the left-turn red light, the fourth control circuit board controls the western signal lamp to turn on the straight red light and the left-turn red light, and the first control circuit board controls the southern signal lamp to turn on the straight red light and the left-turn red light.
B. The first camera and the south camera acquire that no vehicle is arranged on a straight-going and right-turning channel at the south of the signal lamp intersection, the left-turning channel is provided with a vehicle, the first ZigBee router is controlled to send information to the ZigBee coordinator after the image processing of the first control circuit board, and then the processor controls the coordinator to send information to the second ZigBee router, the third ZigBee router and the fourth ZigBee router:
B1. when the controller analyzes that the eastern straight-going passage vehicle exceeds the north left-turning vehicle, the second control circuit board controls the eastern signal lamp to turn on the straight-going red lamp and the left-turning red lamp, the third control circuit board controls the north signal lamp to turn on the straight-going red lamp and the left-turning green lamp, the fourth control circuit board controls the western signal lamp to turn on the straight-going green lamp and the left-turning red lamp, and the first control circuit board controls the south signal lamp to turn on the straight-going red lamp and the left-turning red lamp;
B2. when the controller analyzes that the north left-turn channel vehicles are more than the east straight-going vehicles, the second control circuit board controls the east signal lamps to turn on straight-going red lamps and left-turn red lamps, the third control circuit board controls the north signal lamps to turn on straight-going red lamps and left-turn green lamps, the fourth control circuit board controls the west signal lamps to turn on straight-going red lamps and left-turn red lamps, and the first control circuit board controls the south signal lamps to turn on straight-going red lamps and left-turn green lamps.
The ZigBee coordinator of the invention communicates with the first ZigBee router, the second ZigBee router, the third ZigBee router and the fourth ZigBee router by adopting a topological structure.
According to the invention, the camera is arranged on each road waiting for traffic lights to collect vehicle information on each lane, the information is sent to the signal lamps on other channels through the ZigBee wireless transceiver, the vehicle information collected by the camera is counted by adopting binarization processing, the central processing unit is used for adjusting the controllers on each channel according to the number of vehicles on each channel to make corresponding judgment, so that the state of the signal lamps is adjusted, the time displayed by each traffic light is adjusted, and the following beneficial effects can be obtained:
the traffic light on-off time of the signal lamp can be adjusted according to the traffic flow information on each lane, so that traffic jam is effectively relieved, and a large amount of time is saved.
Drawings
FIG. 1 is a schematic diagram of an intelligent signal lamp optimizing apparatus and an installation structure thereof according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of the operation of the intelligent signal lamp optimizing apparatus according to the first embodiment of the present invention;
fig. 3 is a signal transmission diagram of an intelligent signal lamp optimizing apparatus according to a first embodiment of the present invention.
The principal reference numerals illustrate.
Detailed Description
The invention will be described in further detail below with reference to examples and with reference to the accompanying drawings.
Referring to fig. 1 to 3, an intelligent signal lamp optimizing apparatus according to a first embodiment of the present invention includes a south stay 1, a south camera 2, a first camera 3, a first control circuit board 4, a first ZigBee router 5, a east stay 6, an east camera 7, a second camera 8, a second control circuit board 9, a second ZigBee router 10, a north stay 11, a north camera 12, a third camera 13, a third control circuit board 14, a third ZigBee router 15, a west stay 16, a west camera 17, a fourth camera 18, a fourth control circuit board 19, a fourth ZigBee router 20, and a central processor 21.
As shown in fig. 1, a south stay bar 1 is erected on a south channel at a signal lamp intersection, and is used for supporting a south camera 2, a first camera 3, a first control circuit board 4 and a first ZigBee router 5 are installed on a south signal lamp, traffic information of the south straight channel, the right turn channel and the left turn channel is collected by the first camera 3 and the south camera 2, the traffic information collected by the first camera 3 and the south camera 2 is transmitted to the first control circuit board 4, the collected image is subjected to binarization processing by the first control circuit board 4, the vehicle image is distinguished from a background image, traffic information of the south straight channel, the right turn channel and the left turn channel is calculated according to the vehicle image information on the background, and then the first ZigBee router 5 is controlled to transmit the information processed by the first control circuit board 4 to a central processor 21; an east brace 6 is erected on an east channel of a signal lamp intersection and is used for supporting an east camera 7, a second camera 8, a second control circuit board 9 and a second ZigBee router 10 are arranged on an east signal lamp, traffic flow information of east straight-going, right-turning channels and left-turning channels is collected by the second camera 8 and the east camera 7, the traffic information collected by the second camera 8 and the east camera 7 is transmitted to the second control circuit board 9, the collected images are subjected to binarization processing by the second control circuit board 9, the vehicle images are distinguished from background images, traffic flow information of the east straight-going, right-turning channels and left-turning channels is calculated according to the vehicle image information on the background, and the second ZigBee router 10 is controlled to transmit the information processed by the second control circuit board 9 to a central processor 21; the north stay bar 11 is erected on a north channel of a signal lamp intersection and is used for supporting the north camera 12, the third camera 13, the third control circuit board 14 and the third ZigBee router 15 are installed on a north signal lamp, traffic flow information of a north straight channel, a right-turn channel and a left-turn channel is collected by the third camera 13 and the north camera 12, the traffic information collected by the third camera 13 and the north camera 12 is transmitted to the third control circuit board 14, the collected image is subjected to binarization processing by the third control circuit board 14, the vehicle image is distinguished from a background image, traffic flow information of the north straight channel, the right-turn channel and the left-turn channel is calculated according to the vehicle image information on the background, and the third ZigBee router 15 is controlled to transmit the information processed by the third control circuit board 14 to the central processor 21; a western stay 16 is erected on a western channel of a signal lamp intersection and is used for supporting a western camera 17, a fourth camera 18, a fourth control circuit board 19, a fourth ZigBee router 20 and a central processing unit 21 are installed on the western signal lamp, traffic flow information of a western straight channel, a right-turn channel and a left-turn channel is collected by the fourth camera 18 and the western camera 17, the traffic information collected by the fourth camera 18 and the western camera 17 is transmitted to the fourth control circuit board 19, the collected image is subjected to binarization processing by the fourth control circuit board 19, a vehicle image is distinguished from a background image, traffic flow information of the western straight channel, the right-turn channel and the left-turn channel is calculated according to the vehicle image information on the background, and the fourth ZigBee router 20 is controlled to transmit the processed information of the fourth control circuit board 19 to the central processing unit 21.
As shown in fig. 1, the upright stay bars are installed on the east, south, west and north channels of the signal lamp intersection at intervals of 50 meters, and the distances between the first camera 3, the second camera 8, the third camera 13 and the fourth camera 18 and the first south stay bar 1 on the south channel, the first east stay bar 6 on the east channel, the first north stay bar 11 on the north channel and the first west stay bar 16 on the west channel are 40 meters, so that traffic flow information on the east, south, west and north channels can be collected more clearly.
As shown in fig. 2, the central processor 21 is configured to collect the information processed by the first control circuit board 4, the second control circuit board 9, the third control circuit board 14, and the fourth control circuit board 19, and includes a controller 22 and a ZigBee coordinator 23, where the ZigBee coordinator 23 receives the information sent by the first ZigBee router 5, the second ZigBee router 10, the third ZigBee router 15, and the fourth ZigBee router 20, and transmits the information to the controller 22, where the controller 22 performs processing analysis according to the transmitted data information, and controls the first control circuit board 4, the second control circuit board 9, the third control circuit board 14, and the fourth control circuit board 19 according to the traffic flow information on the four channels of south, east, north, and west, respectively, to control the corresponding signal lamp to operate.
The signal lamp control method of the intelligent signal lamp optimizing device comprises the following steps:
A. the first camera 3 and the south camera 2 acquire vehicles on a straight-going and right-turning channel in the south of a signal lamp intersection, the left-turning channel is free of vehicles, the first ZigBee router 5 is controlled to send information to the ZigBee coordinator 23 after the image processing of the first control circuit board 4, and then the processor controls the coordinator to send information to the second ZigBee router 10, the third ZigBee router 15 and the fourth ZigBee router 20:
A1. when the controller 22 analyzes that the north straight-going passage vehicle passes through the west left-turning vehicle, the second control circuit board 9 controls the east signal lamp to turn on the straight-going red lamp and the left-turning red lamp, the third control circuit board 14 controls the north signal lamp to turn on the straight-going green lamp and the left-turning red lamp, the fourth control circuit board 19 controls the west signal lamp to turn on the straight-going red lamp and the left-turning red lamp, and the first control circuit board 4 controls the south signal lamp to turn on the straight-going green lamp and the left-turning red lamp;
A2. when the controller 22 analyzes that the vehicle with the left-turning western lane exceeds the vehicle with the straight running requirement on the north, the second control circuit board 9 controls the east signal lamp to turn on the straight running red lamp and the left-turning green lamp, the third control circuit board 14 controls the north signal lamp to turn on the straight running green lamp and the left-turning red lamp, the fourth control circuit board 19 controls the west signal lamp to turn on the straight running red lamp and the left-turning red lamp, and the first control circuit board 4 controls the south signal lamp to turn on the straight running red lamp and the left-turning red lamp.
B. The first camera 3 and the south camera 2 collect that no vehicle is on a straight-going and right-turning channel in the south of the signal lamp intersection, and the left-turning channel is provided with a vehicle, after being subjected to image processing by the first control circuit board 4, the first ZigBee router 5 is controlled to send information to the ZigBee coordinator 23, and then the processor controls the coordinator to send information to the second ZigBee router 10, the third ZigBee router 15 and the fourth ZigBee router 20:
B1. when the controller 22 analyzes that the eastern straight-going passage vehicle passes through the vehicles turning left in the north, the second control circuit board 9 controls the eastern signal lamp to turn on the straight-going red lamp and the red lamp turning left, the third control circuit board 14 controls the northern signal lamp to turn on the straight-going red lamp and the green lamp turning left, the fourth control circuit board 19 controls the western signal lamp to turn on the straight-going green lamp and the red lamp turning left, and the first control circuit board 4 controls the southern signal lamp to turn on the straight-going red lamp and the red lamp turning left;
B2. when the controller 22 analyzes that the north left-turn channel vehicles are more than the east straight-going vehicles, the second control circuit board 9 controls the east signal lamps to turn on straight-going red lamps and left-turn red lamps, the third control circuit board 14 controls the north signal lamps to turn on straight-going red lamps and left-turn green lamps, the fourth control circuit board 19 controls the west signal lamps to turn on straight-going red lamps and left-turn red lamps, and the first control circuit board 4 controls the south signal lamps to turn on straight-going red lamps and left-turn green lamps.
As shown in fig. 3, the ZigBee coordinator 23 communicates with the first ZigBee router 5, the second ZigBee router 10, the third ZigBee router 15, and the fourth ZigBee router 20 by adopting a topology structure, and after receiving the information transmitted by the first ZigBee router 5, the second ZigBee router 10, the third ZigBee router 15, and the fourth ZigBee router 20, the ZigBee coordinator 23 sends the information of the controller 22 to the first ZigBee router 5, the second ZigBee router 10, the third ZigBee router 15, and the fourth ZigBee router 20 through the ZigBee coordinator 23, so that the controller 22 controls the first control circuit board 4, the second control circuit board 9, the third control circuit board 14, and the fourth control circuit board 19 through wireless communication.
The working principle and working process of the invention are as follows:
as shown in fig. 2, the vehicle information collected by the first camera 3 and the south camera 2 is transmitted to the first control circuit board 4, and after the collected image is binarized by the first control circuit board 4, the first ZigBee router 5 is controlled to transmit the information to the central processor 21; the vehicle information collected by the second camera 8 and the east camera 7 is transmitted to the second control circuit board 9, and the second control circuit board 9 carries out binarization processing on the collected images and then controls the second ZigBee router 10 to send the information to the central processor 21; the vehicle information collected by the third camera 13 and the north camera 12 is transmitted to the third control circuit board 14, the third control circuit board 14 carries out binarization processing on the collected image, and then controls the third ZigBee router 15 to transmit the information to the central processor 21; the vehicle information collected by the fourth camera 18 and the western camera 17 is transmitted to the fourth control circuit board 19, and after the collected images are subjected to binarization processing by the fourth control circuit board 19, the fourth ZigBee router 20 is controlled to transmit the information to the central processor 21; the central processing unit 21 gathers the information processed by the first control circuit board 4, the second control circuit board 9, the third control circuit board 14 and the fourth control circuit board 19, the controller 22 processes and analyzes the information according to the transmitted data information, and controls the first control circuit board 4, the second control circuit board 9, the third control circuit board 14 and the fourth control circuit board 19 to control the corresponding signal lamp to work according to the traffic flow information on four channels of south, east, north and west.
Claims (2)
1. An intelligent signal lamp optimizing device which is characterized in that: the system comprises a south camera, a first control circuit board, a first ZigBee router, a east camera, a second control circuit board, a second ZigBee router, a north camera, a third control circuit board, a third ZigBee router, a west camera, a fourth control circuit board, a fourth ZigBee router and a central processing unit, wherein a south supporting rod is erected on a south channel of a signal lamp intersection and is used for supporting the south camera, the first control circuit board and the first ZigBee router are arranged on a signal lamp on the south, traffic information of the south straight, right and left turning channels is acquired by the first camera and the south camera, the traffic information acquired by the first camera and the south camera is transmitted to the first control circuit board, and the first control circuit board is used for binarizing the acquired image and then controlling the first ZigBee router to transmit the information to the central processing unit; an east brace rod is erected on an east channel of a signal lamp intersection and used for supporting an east camera, a second control circuit board and a second ZigBee router are arranged on an east signal lamp, traffic flow information of the east straight-going channel, the right-turning channel and the left-turning channel is collected by the second camera and the east camera, the traffic flow information collected by the second camera and the east camera is transmitted to the second control circuit board, and the second control circuit board carries out binarization processing on the collected image and then controls the second ZigBee router to transmit the traffic flow information to a central processor; a north stay bar is erected on a north channel of a signal lamp intersection and is used for supporting a north camera, a third control circuit board and a third ZigBee router are arranged on a north signal lamp, traffic flow information of a north straight channel, a right-turn channel and a left-turn channel is collected by the third camera and the north camera, the traffic flow information collected by the third camera and the north camera is transmitted to the third control circuit board, and the third control circuit board carries out binarization processing on the collected image and then controls the third ZigBee router to transmit the traffic flow information to a central processor; a western stay bar is erected on a western channel of a signal lamp intersection and is used for supporting a western camera, a fourth control circuit board, a fourth ZigBee router and a central processing unit are arranged on a western signal lamp, traffic flow information of a western straight-going channel, a right-turning channel and a left-turning channel is collected by the fourth camera and the western camera, the traffic flow information collected by the fourth camera and the western camera is transmitted to the fourth control circuit board, and the collected image is subjected to binarization processing by the fourth control circuit board and then is controlled to be transmitted to the central processing unit by the fourth ZigBee router;
the upright stay bars are arranged on the east, south, west and north channels of the signal lamp intersection at intervals of 50 meters, and the first camera, the second camera, the third camera and the fourth camera are respectively separated from the first south stay bar on the south channel, the first east stay bar on the east channel, the first north stay bar on the north channel and the first west stay bar on the west channel by 40 meters, so that traffic flow information on the east, south, west and north channels can be acquired more clearly;
the signal lamp control method of the intelligent signal lamp optimizing device comprises the following steps:
A. the first camera and the south camera acquire vehicles on a straight-going and right-turning channel in the south of the signal lamp intersection, the left-turning channel is free of vehicles, the first ZigBee router is controlled to send information to the ZigBee coordinator after the image processing of the first control circuit board, and then the processor controls the coordinator to send information to the second ZigBee router, the third ZigBee router and the fourth ZigBee router:
A1. when the controller analyzes that the vehicles in the north straight-going channel are more than the vehicles in the west left-turning mode, the second control circuit board controls the eastern signal lamps to turn on straight-going red lamps and left-turning red lamps, the third control circuit board controls the north signal lamps to turn on straight-going green lamps and left-turning red lamps, the fourth control circuit board controls the west signal lamps to turn on straight-going red lamps and left-turning red lamps, and the first control circuit board controls the south signal lamps to turn on straight-going green lamps and left-turning red lamps;
A2. when the controller analyzes that the vehicles in the western left-turn channel are more than the vehicles in the northern area, the second control circuit board controls the eastern signal lamp to turn on the straight red light and the left-turn green light, the third control circuit board controls the northern signal lamp to turn on the straight green light and the left-turn red light, the fourth control circuit board controls the western signal lamp to turn on the straight red light and the left-turn red light, and the first control circuit board controls the southern signal lamp to turn on the straight red light and the left-turn red light;
B. the first camera and the south camera acquire that no vehicle is arranged on a straight-going and right-turning channel at the south of the signal lamp intersection, the left-turning channel is provided with a vehicle, the first ZigBee router is controlled to send information to the ZigBee coordinator after the image processing of the first control circuit board, and then the processor controls the coordinator to send information to the second ZigBee router, the third ZigBee router and the fourth ZigBee router:
B1. when the controller analyzes that the eastern straight-going passage vehicle exceeds the north left-turning vehicle, the second control circuit board controls the eastern signal lamp to turn on the straight-going red lamp and the left-turning red lamp, the third control circuit board controls the north signal lamp to turn on the straight-going red lamp and the left-turning green lamp, the fourth control circuit board controls the western signal lamp to turn on the straight-going green lamp and the left-turning red lamp, and the first control circuit board controls the south signal lamp to turn on the straight-going red lamp and the left-turning red lamp;
B2. when the controller analyzes that the north left-turn channel vehicles are more than the east straight-going vehicles, the second control circuit board controls the east signal lamps to turn on straight-going red lamps and left-turn red lamps, the third control circuit board controls the north signal lamps to turn on straight-going red lamps and left-turn green lamps, the fourth control circuit board controls the west signal lamps to turn on straight-going red lamps and left-turn red lamps, and the first control circuit board controls the south signal lamps to turn on straight-going red lamps and left-turn green lamps.
2. The intelligent signal lamp optimizing apparatus according to claim 1, wherein: the central processing unit is used for collecting the information processed by the first control circuit board, the second control circuit board, the third control circuit board and the fourth control circuit board, and comprises a controller and a ZigBee coordinator, the ZigBee coordinator receives the information sent by the first ZigBee router, the second ZigBee router, the third ZigBee router and the fourth ZigBee router and transmits the information to the controller, the controller processes and analyzes the information according to the data information, and the first control circuit board, the second control circuit board, the third control circuit board and the fourth control circuit board are respectively controlled according to traffic flow information on four channels of south, east, north and west to control the corresponding signal lamp to work.
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| CN108091148A (en) * | 2018-01-26 | 2018-05-29 | 河南巡星信息科技有限公司 | Intelligent transportation apparatus and system |
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