CN109427195A - A kind of vehicle flowrate monitoring device - Google Patents
A kind of vehicle flowrate monitoring device Download PDFInfo
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- CN109427195A CN109427195A CN201710787779.XA CN201710787779A CN109427195A CN 109427195 A CN109427195 A CN 109427195A CN 201710787779 A CN201710787779 A CN 201710787779A CN 109427195 A CN109427195 A CN 109427195A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/065—Traffic control systems for road vehicles by counting the vehicles in a section of the road or in a parking area, i.e. comparing incoming count with outgoing count
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- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Abstract
The present invention provides a kind of vehicle flowrate monitoring devices, belong to vehicle flowrate monitoring field, including traffic light control system, car statistics device and car-mounted device；The front at each crossing is arranged in the traffic light control system, and car statistics device is arranged in the centre in reversed lane and is wirelessly connected with traffic light control system, and car-mounted device is mounted in each car and is wirelessly connected with car statistics device.Car-mounted device is selected to automatically turn on or be closed according to car speed, and wireless signal is sent after unlatching and is detected for car statistics device.The detection of car statistics device enters the car-mounted device of detection range, and the positioning vehicle-carried affiliated lane of device counts the vehicle flowrate in each lane.The vehicle flowrate in each lane in each crossing that traffic light control system is passed to according to car statistics device carries out the time of control traffic lights.
Description
Technical field
The present invention relates to traffic light control fields, particularly, are related to a kind of vehicle flowrate monitoring device.
Background technique
Traffic lights (traffic lights) time of existing traffic control system is substantially what experience was set, solid by the period
The control mode fixed time.The traffic control signal at these crossings will not change adjustment in real time according to vehicle flowrate, often have
The direction red light of vehicle, and do not have the direction long-time green light of vehicle.This real road vehicle condition and traffic control signal are asynchronous
The case where will increase stoppage of vehicle number and time, waste existing path resource, deteriorate traffic congestion state, increase the energy and disappear
Consumption and exhaust emission.For road improvement traffic behavior, some traffic intersections have traffic police etc. in peak period and manually command, purpose
Exactly allow traffic control signal to optimize adjustment according to the real time status of road because traffic police it can be seen that the vehicle at crossing and
The real-time traffic states of pedestrian.But each crossing, all someone's floor managers are unpractical within daily 24 hours.
The traffic light control system voluntarily controlled therefore, it is necessary to design one kind according to the actual situation.To make
It must accelerate the defeated stream of crossing vehicle, reduce road traffic congestion event.
Summary of the invention
It is an object of that present invention to provide a kind of vehicle flowrate monitoring devices, inaccurate to solve existing traffic flow detecting device detection
True technical problem.
To achieve the above object, the present invention provides a kind of vehicle flowrate monitoring devices, including car statistics device (2) and vehicle
It carries and sets (7)；The centre in reversed lane is arranged in car statistics device (2), and car-mounted device (7) is mounted in each car and and vehicle
Statistic device (2) is wirelessly connected；
The car-mounted device (7) selects to automatically turn on or close according to car speed, and wireless signal is sent after unlatching for vehicle
The detection of statistic device (2)；The car-mounted device (7) includes vehicle speed detector device, Vehicle Controller and GPS sending module, institute
Vehicle speed detector device is stated for acquiring the speed of vehicle and the speed of detection being transmitted to Vehicle Controller, the Vehicle Controller connects
The incoming speed of the speed detector that returns the vehicle to the garage and knock off simultaneously is compared with preset speed, when the speed of detection is smaller than preset speed,
Vehicle Controller controls the starting of GPS sending module, and the signal of the GPS sending module transmitting setting frequency range is for car statistics device
(2) it is detected；
The process that the car statistics controller calculates lane belonging to car-mounted device (7) is that car statistics controller obtains
Take car-mounted device (7) between car statistics device (2) at a distance from be a between car-mounted device (7) and horizontal line angle be β, calculate
Out car statistics device (2) between lane at a distance from=a/cos β, car statistics device (2) between lane at a distance from it is original
The car statistics device (2) of setting is compared with the distance range in each lane, obtains lane belonging to car-mounted device (7)；
The car statistics device (2) is used to detect the car-mounted device (7) into car statistics device (2) detection range,
Lane belonging to positioning vehicle-carried device (7), counts the vehicle flowrate in each lane；The car statistics device (2) includes GPS receiver mould
Block, aspect sensor, car statistics controller and wireless sending module, the GPS receiver module detection enter in detection range
Car-mounted device (7) the transmitting of GPS sending module setting frequency range GPS signal, while obtaining car-mounted device (7) and vehicle and uniting
Distance between counter device (2), the aspect sensor obtain the angle between car-mounted device (7) and horizontal line, the car statistics
Controller according to car-mounted device (7) between car statistics device (2) at a distance from folder between distance and car-mounted device (7) and horizontal line
Angle calculates lane belonging to car-mounted device (7), and the vehicle flowrate in each lane is transmitted to traffic light control by the wireless sending module
System (1).
In above scheme, preferably traffic light controller calculate all directions traffic lights open and close time mistake
Cheng Wei, (lane flow-average vehicle flow)+fiducial time green light opening time=time radix *, wherein time radix=2s/
, fiducial time=60s.
In above scheme, preferably wireless sending module and wireless receiving module are WIFI wireless module, bluetooth mould
Block or radio-frequency module.
The invention has the following advantages:
By the present invention in that being counted with accurately vehicle flowrate device to vehicle flowrate, examined using car statistics device
It surveys car-mounted device a direction with car statistics device at a distance from and to obtain the lane of vehicle further obtains every vehicle
The information of vehicles in road, so that it is more accurate with existing photography detection, so that traffic light control system or others
Traffic system preferably obtains the information of vehicle flowrate of traffic intersection.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is structure of the invention block diagram.
Fig. 2 is crossroad installation diagram of the present invention.
Fig. 3 is car statistics figure of the present invention.
Figure label: 1 traffic light control system, 2 car statistics devices, 3 right-turn lanes, 4 Through Lanes, 5 left turn lanes,
6 vehicles, 7 car-mounted devices.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be limited according to claim
Fixed and covering multitude of different ways is implemented.
A kind of vehicle flowrate monitoring device, as shown in Figure 1-3, include traffic light control system 1, car statistics device 2 and vehicle
It carries and sets 7.The front at each crossing is arranged in traffic light control system 1, and car statistics device 2 is arranged in reversed lane
Between and with traffic light control system 1 be wirelessly connected.Car-mounted device 7 is mounted in each car and wirelessly connects with car statistics device 2
It connects.
Car-mounted device 7 is set as a control box, including outer housing and internal circuit board, internal circuit board are provided with data
Acquisition interface and leaking out is connect outside outer housing with the control device on automobile.Car-mounted device 7 includes vehicle speed detector device, vehicle-mounted
Controller and GPS sending module.Vehicle speed detector device is used to acquire the speed of vehicle and the speed of detection is transmitted to vehicle-mounted control
Device, vehicle speed detector device are AD sampling module, sampling interval 0.5s, and the data of acquisition are transmitted to vehicle-mounted control in real time
Device.Vehicle Controller receives the incoming speed of vehicle speed detector device and is compared with preset speed, when the speed ratio of detection
Preset speed hour, Vehicle Controller control the starting of GPS sending module.Vehicle Controller is when starting installation by manually setting
The pre-set velocity for setting vehicle is traditionally arranged to be 10km/h, therefore when Vehicle Controller receives the vehicle speed less than 10km/h,
Vehicle Controller, which just controls GPS sending module and starts automatically, to be powered on.GPS sending module emits setting frequency range signal after opening supplies
Car statistics device 2 is detected.The signal of setting frequency range be during manufacture program setting with car statistics device 2
On the frequency range of detection want to correspond to, to have more the detection of face.
Car statistics device 2 is set as the shell of a sealing, and shell low side is provided with column, the height of column with it is vehicle-mounted
The vertical height that device 7 is mounted on vehicle is identical.Car statistics device 2 is arranged on the jube between lane in the opposite direction or flower nursery
On, for detecting the vehicle on the right of crossing, the right is the right for saying with respect to attached drawing, the direction setting carried out for convenience,
But the invention is not limited to the settings in these directions.Enclosure interior is provided with circuit board, and circuit board is connect with external power supply
Power supply.Car statistics device 2 includes GPS receiver module, aspect sensor, car statistics controller and wireless sending module.GPS
Receiving module detection enters the GPS signal of the setting frequency range of the GPS sending module transmitting of the car-mounted device 7 in detection range, together
When obtain car-mounted device 7 between car statistics device 2 at a distance from, GPS short distance positioning can make error narrow down to 0.05m,
The detailed process for obtaining distance is the prior art, is no longer described in detail herein.Aspect sensor obtains car-mounted device 7 and horizontal line
Between angle, due to 2 same level height of car-mounted device 7 and car statistics device, aspect sensor can directly incude
Angle between car-mounted device 7 and horizontal line, therefore car-mounted device 7 is to the direction of motion lead of vehicle, so that being filled with from car statistics
The horizontal line for setting 2 constitutes a stabilizer blade triangle.Car statistics controller is according to car-mounted device 7 and car statistics device 2
Between distance distance and angle between car-mounted device 7 and horizontal line calculate lane belonging to car-mounted device 7.As shown in figure 3, vehicle
The process that statistics controller calculates lane belonging to car-mounted device 7 is that car statistics controller obtains car-mounted device 7 and vehicle is united
The angle that distance between counter device 2 is a between car-mounted device 7 and horizontal line is β, to be calculated according to the cosine law of triangle
Car statistics device 2 between lane at a distance from=a/cos β.Since there is certain width in lane, in installation car statistics dress
With regard to artificial inside car statistics device 2 and the distance input car statistics controller in each lane when setting 2, due to differently
The lane width of the road in area is different, therefore car statistics device 2 and the distance range in each lane are also different, distance
Range wide is the width in lane.Car statistics device 2 between lane at a distance from the car statistics device 2 that originally set with
The distance range in each lane is compared, obtain the car statistics device 2 measured between lane by comparison at a distance from fall into
In which lane distance range, which just belongs to the lane, obtains lane belonging to car-mounted device 7.Wireless sending module is each
The vehicle flowrate in lane is transmitted to traffic light control system 1, general to detect statistical result of 0.5 second hair.
The process that traffic light control system 1 calculates the time that all directions traffic lights open and close is, when green light is opened
Between=time radix * (lane flow-average vehicle flow)+fiducial time, wherein time radix=2s/, fiducial time=
60s.Such as the time that the straight trip green light of east-west direction is opened, when the vehicle flowrate of east-west direction is 30, and crossing
When average vehicle flow is 25, the opening time of side green light is 2s/ * (30-25)+60s=70s.Traffic LED signal lamp
Signal is controlled according to traffic light controller to be lighted or closed.It is preferably anti-so as to reach intelligent control crossing traffic
Only as caused by traffic lights the problems such as traffic jam.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (2)
1. a kind of vehicle flowrate monitoring device, which is characterized in that including car statistics device (2) and car-mounted device (7)；Car statistics
Device (2) is arranged in the centre in reversed lane, and car-mounted device (7) is mounted in each car and wireless with car statistics device (2)
Connection；
The car-mounted device (7) selects to automatically turn on or close according to car speed, and wireless signal is sent after unlatching and is united for vehicle
Counter device (2) detection；The car-mounted device (7) includes vehicle speed detector device, Vehicle Controller and GPS sending module, the vehicle
Speed detector is used to acquire the speed of vehicle and the speed of detection is transmitted to Vehicle Controller, and the Vehicle Controller receives vehicle
The incoming speed of speed detector is simultaneously compared with preset speed, vehicle-mounted when the speed of detection is smaller than preset speed
Controller controls the starting of GPS sending module, and the signal of the GPS sending module transmitting setting frequency range is for car statistics device (2)
It is detected；
The process that the car statistics controller calculates lane belonging to car-mounted device (7) is that car statistics controller obtains vehicle
Carry set (7) between car statistics device (2) at a distance from be a between car-mounted device (7) and horizontal line angle be β, calculate vehicle
Statistic device (2) between lane at a distance from=a/cos β, car statistics device (2) between lane at a distance from original setting
Car statistics device (2) be compared with the distance range in each lane, obtain lane belonging to car-mounted device (7)；
The car statistics device (2) is used to detect the car-mounted device (7) into car statistics device (2) detection range, positioning
Lane belonging to car-mounted device (7), counts the vehicle flowrate in each lane；The car statistics device (2) include GPS receiver module,
Aspect sensor, car statistics controller and wireless sending module, the GPS receiver module detection enter the vehicle in detection range
The GPS signal for setting the setting frequency range of GPS sending module transmitting of (7) is carried, while obtaining car-mounted device (7) and car statistics dress
The distance between (2) is set, the aspect sensor obtains the angle between car-mounted device (7) and horizontal line, the car statistics control
Device according to car-mounted device (7) between car statistics device (2) at a distance from angle between distance and car-mounted device (7) and horizontal line calculate
The vehicle flowrate in each lane is transmitted to traffic light control system by lane belonging to car-mounted device (7), the wireless sending module out
(1)。
2. a kind of vehicle flowrate monitoring device according to claim 1, which is characterized in that the traffic light controller calculates each
The process for the time that a direction traffic lights open and close is, the green light opening time=time radix *, (lane flow-was averaged vehicle
Flow)+fiducial time, wherein time radix=2s/, fiducial time=60s.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710787779.XA CN109427195B (en) | 2017-09-04 | 2017-09-04 | Traffic flow monitoring device |
| CN202110398756.6A CN113178085B (en) | 2017-09-04 | 2017-09-04 | Traffic intersection traffic flow monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710787779.XA CN109427195B (en) | 2017-09-04 | 2017-09-04 | Traffic flow monitoring device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202110398756.6A Division CN113178085B (en) | 2017-09-04 | 2017-09-04 | Traffic intersection traffic flow monitoring system |
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| Publication Number | Publication Date |
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| CN109427195A true CN109427195A (en) | 2019-03-05 |
| CN109427195B CN109427195B (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710787779.XA Active CN109427195B (en) | 2017-09-04 | 2017-09-04 | Traffic flow monitoring device |
| CN202110398756.6A Active CN113178085B (en) | 2017-09-04 | 2017-09-04 | Traffic intersection traffic flow monitoring system |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110398756.6A Active CN113178085B (en) | 2017-09-04 | 2017-09-04 | Traffic intersection traffic flow monitoring system |
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| CN (2) | CN109427195B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114446043A (en) * | 2020-11-06 | 2022-05-06 | Oppo广东移动通信有限公司 | Prompting method, electronic equipment, traffic light, vehicle and storage medium |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114550447A (en) * | 2022-02-09 | 2022-05-27 | 重庆长安汽车股份有限公司 | System and method for obtaining intersection information to realize real-time traffic light scheduling |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109427195B (en) | 2021-05-14 |
| CN113178085B (en) | 2024-04-05 |
| CN113178085A (en) | 2021-07-27 |
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