CN206039855U - Accurate detecting system of vehicle flowrate - Google Patents
Accurate detecting system of vehicle flowrate Download PDFInfo
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- CN206039855U CN206039855U CN201621005814.5U CN201621005814U CN206039855U CN 206039855 U CN206039855 U CN 206039855U CN 201621005814 U CN201621005814 U CN 201621005814U CN 206039855 U CN206039855 U CN 206039855U
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- trunk roads
- major trunk
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- control machine
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Abstract
The utility model provides an accurate detecting system of vehicle flowrate, lay the major trunk roads camera at major trunk roads including the several, with major trunk roads camera connection's major trunk roads controller, the major trunk roads signal lamp that is connected with the major trunk roads controller, ground magnetic sensor and acceleration sensor on sub -arterial road are laid to the several, the sub -arterial road controller that is connected with ground magnetic sensor and acceleration sensor, the sub -arterial road signal lamp that is connected with the sub -arterial road controller, major trunk roads controller and sub -arterial road controller pass through optical fiber communication module and the interconnection of online master control set. The utility model discloses a set up ground magnetic sensor, acceleration sensor and relevant controlling means on sub -arterial road, set up camera and relevant controlling means on major trunk roads to the signal that makes online master control set come sub -arterial road controller transmission carries out the threshold value with the data of major trunk roads controller and relatively calculates, finally monitoring vehicle flow information accurately.
Description
Technical field
This utility model is related to intelligent transportation system vehicle Flow Detection technical field, specially a kind of vehicle flowrate accurate detection
Device.
Background technology
Automobile worldwide obtains rapid extensively application, but the problems such as thing followed traffic jam and traffic safety
The development of World Economics is constrained seriously.Early stage is main to build by the way of road equipment to solve these problems using investing, but by
In cost more and more higher, with unsustainable property.With the development of information technology, there has been proposed the concept of intelligent transportation, mesh
Be solving traffic problems using multiple technologies such as electronic information, computers.
Vehicle Flow Detection is a part for intelligent transportation, and it provides basic traffic flow information for traffic administration.Tradition
Vehicle Flow Detection technology can be divided into two classes：One class is the permanent buried systems based on piezoelectricity loop, and the system construction is relative
Complexity, is not easy to safeguard.Another kind of is suspension type system, including detecting systems such as infrared ray, radars, this kind of system cost compared with
Height, collection information are single.With the development of computer and information technology, the vehicle Flow Detection based on video image processing technology is filled
Put due to processing speed it is fast, install simple and the features such as scope is wide can be monitored and become the main inspection of vehicle Flow Detection technology
Survey means.
But it is that photographic head is installed in fixing point based on the traffic flow detecting device of video image processing technology, by detection
The vehicle of control point deduces the wagon flow situation of relevant road segments by situation, therefore the packing density of photographic head determines monitoring
The information accuracy in section, when photographic head is very few, the section for not installing photographic head cannot timely obtain corresponding road conditions
Information, while being required for installing photographic head on each track, could realize the monitoring to entire road, relatively costly.And this is adopted
Vehicle flowrate can only unilaterally be detected with the device, Data Detection has certain error, it is necessary to improve.
Utility model content
The purpose of this utility model provides a kind of traffic flow detecting device, to improve the accuracy of detection of vehicle flowrate.
This utility model is achieved by the following technical solution：A kind of vehicle flowrate accurate detection system, including several cloth
The major trunk roads photographic head of major trunk roads is located at, the major trunk roads control machine being connected with major trunk roads photographic head is connected with major trunk roads control machine
The major trunk roads signal lighties for connecing；Several geomagnetic sensors being laid on subsidiary road and acceleration transducer, with geomagnetic sensor and
The subsidiary road control machine that acceleration transducer is connected, the subsidiary road signal lighties being connected with subsidiary road control machine；The trunk
Road control machine and subsidiary road control machine are interconnected with online master control set by optical fiber communication modules.
Further, also including the first power module, second source module, the 3rd power module, the first power supply mould
Block is connected with major trunk roads control machine, and the second source module is connected with online master control set, the 3rd power module with it is secondary
Arterial highway control machine is connected.
Further, the geomagnetic sensor and acceleration transducer are arranged in parallel on each subsidiary road.
Compared with prior art, the beneficial effects of the utility model are：
1st, this utility model is carried out to vehicle flowrate by the geomagnetic sensor that is arranged on subsidiary road and acceleration transducer
Detection.Specifically, when subsidiary road control machine determines the geomagnetic sensor on certain two track while sense GEOMAGNETIC CHANGE, and on
State vibration frequency that the acceleration transducer on two tracks senses it is identical when, subsidiary road control machine is determined by above-mentioned two
The vehicle in track is same vehicle, then vehicle flowrate adds 1, it is to avoid the repetition to vehicle is counted, and improves the detection essence of vehicle flowrate
Degree.
2nd, this utility model arranges photographic head on major trunk roads, by the information of vehicle flowrate of camera head monitor major trunk roads, takes the photograph
As the information of vehicles of head monitoring is sent to online master control set by optical fiber communication modules Jing after major trunk roads control machine data processing,
The signal that subsidiary road control machine is transmitted by online master control set carries out threshold value with the data of major trunk roads control machine and compares calculating,
So as to accurately monitor information of vehicle flowrate.
Description of the drawings
Fig. 1 is this utility model structure chart.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention will be further described.
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit this utility model.
This utility model is achieved by the following technical solution：
A kind of vehicle flowrate accurate detection system, including several major trunk roads photographic head for being laid in major trunk roads, is taken the photograph with major trunk roads
As the major trunk roads control machine of head connection, the major trunk roads signal lighties being connected with major trunk roads control machine；It is several to be laid on subsidiary road
Geomagnetic sensor and acceleration transducer, the subsidiary road control machine being connected with geomagnetic sensor and acceleration transducer, with
The subsidiary road signal lighties that subsidiary road control machine is connected；The major trunk roads control machine and subsidiary road control machine pass through optical-fibre communications mould
Block is interconnected with online master control set.
Total in the present embodiment, also including the first power module, second source module, the 3rd power module, described first is electric
Source module is connected with major trunk roads control machine, and the second source module is connected with online master control set, the 3rd power module
It is connected with subsidiary road control machine.
In the present embodiment, the geomagnetic sensor and acceleration transducer are arranged in parallel on each subsidiary road.Its
In, when multiple geomagnetic sensors are respectively used to detect that vehicle passes through each track, the GEOMAGNETIC CHANGE around each track；It is multiple to add
When velocity sensor is respectively used to detect that vehicle passes through each track, the shock conditions in each track.
When passing through identical track due to different vehicles, the vibrations on the ground for causing are different, thus subsidiary road controller can
According to the vibrations on ground, judge whether the vehicle for passing through multiple tracks (such as two tracks in left and right) simultaneously is same vehicle.Than
Such as：The first geomagnetic sensor and the first acceleration transducer is respectively provided with left-lane, and the second earth magnetism is set on right lane
Sensor and the second acceleration transducer.When vehicle passes through left-lane, as vehicle can regard multiple bipolar magnet compositions as
Model, thus the change of track ambient magnetic environment can be caused, the first geomagnetic sensor being arranged on left-lane is used for detecting
The GEOMAGNETIC CHANGE.When simultaneously different vehicles passes through track, the vibrations that track produces are different, and first be arranged on left-lane adds
Velocity sensor is used for the shock conditions in real-time detection track.
In the same manner, when right lane, the Cleaning Principle of the second geomagnetic sensor and the second acceleration transducer is identical for vehicle.
When rule-breaking vehicle is travelled in two tracks in left and right, the first geomagnetic sensor and the second geomagnetic sensor are sensed
GEOMAGNETIC CHANGE, and then the vibrations feelings that subsidiary road control machine is detected according to the first acceleration transducer and the second acceleration transducer
Condition, judges whether by the vehicle in two tracks in left and right be same vehicle.Specifically, when the first geomagnetic sensor and the second earth magnetism
Sensor is detected simultaneously by GEOMAGNETIC CHANGE, and the vibration frequency that the first acceleration transducer and the second acceleration transducer are detected
When identical, subsidiary road control machine determines that by the vehicle in two tracks in left and right be same vehicle, so as to the base to original vehicle flowrate
Jia 1 on plinth, it is to avoid the repetition to vehicle is counted, and improves the accuracy of detection of vehicle flowrate.
The principle of major trunk roads is more relatively easy, by video image processing technology, the car flow information that photographic head is detected
Contrast is analyzed with the subsidiary road information in subsidiary road control machine in being aggregated into online master control set, meter is compared by threshold value
Calculate, the accurate mainstream information for determining major trunk roads.
It, to explanation of the present utility model, is not that, to restriction of the present utility model, this utility model is limited that above description is
Scope referring to claim, in the case of without prejudice to this utility model basic conception, this utility model can make other shapes
The modification of formula.
Claims (2)
1. a kind of vehicle flowrate accurate detection system, it is characterised in that including several major trunk roads photographic head for being laid in major trunk roads, with
The major trunk roads control machine of major trunk roads photographic head connection, the major trunk roads signal lighties being connected with major trunk roads control machine；It is several to be laid in
Geomagnetic sensor and acceleration transducer on subsidiary road, the subsidiary road control being connected with geomagnetic sensor and acceleration transducer
Machine processed, the subsidiary road signal lighties being connected with subsidiary road control machine；The major trunk roads control machine and subsidiary road control machine pass through light
Fine communication module is interconnected with online master control set.
2. a kind of vehicle flowrate accurate detection system according to claim 1, also including the first power module, second source mould
Block, the 3rd power module, first power module are connected with major trunk roads control machine, the second source module and online master control
Device is connected, and the 3rd power module is connected with subsidiary road control machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621005814.5U CN206039855U (en) | 2016-08-30 | 2016-08-30 | Accurate detecting system of vehicle flowrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621005814.5U CN206039855U (en) | 2016-08-30 | 2016-08-30 | Accurate detecting system of vehicle flowrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206039855U true CN206039855U (en) | 2017-03-22 |
Family
ID=58301276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621005814.5U Active CN206039855U (en) | 2016-08-30 | 2016-08-30 | Accurate detecting system of vehicle flowrate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206039855U (en) |
-
2016
- 2016-08-30 CN CN201621005814.5U patent/CN206039855U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 33, Wuhou District South Road, Wuhou District, Chengdu, Sichuan Patentee after: Zhong Ke Chung e Electronics Co., Ltd. Address before: No. 33, Wuhou District South Road, Wuhou District, Chengdu, Sichuan Patentee before: Sichuan Zhongze Electric Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |