CN107481529A - A kind of traffic guidance delivery system based on magneto-dependent sensor - Google Patents
A kind of traffic guidance delivery system based on magneto-dependent sensor Download PDFInfo
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- CN107481529A CN107481529A CN201710743496.5A CN201710743496A CN107481529A CN 107481529 A CN107481529 A CN 107481529A CN 201710743496 A CN201710743496 A CN 201710743496A CN 107481529 A CN107481529 A CN 107481529A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
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Abstract
The present invention discloses a kind of traffic guidance delivery system based on magneto-dependent sensor, including magnetosensitive sensing module, data processing module, power module, radio frequency transmission module, controller, transport information comprehensive platform processing module and Traffic information demonstration module.The present invention collects the change in magnetic field when vehicle passes through detecting devices by magnetosensitive sensing module, to gather the information of vehicles on road surface, has the characteristics of anti-interference is high, accuracy is high and easy for installation；The signal that can be exported by each unit in data processing module to magnetosensitive sensing module is effectively handled, and improves identification of the controller to data in data processing module；Data analysis, fusion treatment and budget are carried out to the vehicle speed of collection by transport information comprehensive platform processing module, improve the accuracy of prediction, and the information of prediction is sent to transport information release module, induction vehicle drives in unimpeded route, obstruction is reduced, effectively increases network traffic conevying efficiency.
Description
Technical field
The invention belongs to traffic management technology field, is related to a kind of traffic guidance issue system based on magneto-dependent sensor
System.
Background technology
Traffic problems are always the unavoidable significant development problems of countries in the world facing, and urban road is handed at present
The imbalance of logical supply and demand is increasingly becoming the serious problems of each city facing, and the pressure of urban transportation is increasingly heavy, serious system
The about economic development in city, traffic congestion cause the time to waste, exacerbate environmental quality pollution, in order to alleviate each side's economy hair
The transport development pressure brought is opened up, need to can improve this problem by developing intelligent transport technology.
In the prior art when carrying out traffic information collection, ground induction coil is buried generally below road surface, detects motor vehicle
By when coil surrounding magnetic field change obtain information of vehicles.But because ground induction coil is bulky, embedding ground induction coil
When need to cut road surface, and the service life of ground induction coil is short, and maintenance cost is high simultaneously in order to be communicated with control terminal, also needs
Slot lead, carry out the construction of complexity, thus road pavement damages, and block the traffic operation, and have impact on the use in track
Life-span.In addition, existing transport information detection means also includes video monitoring, microwave radar detection etc., but these above-mentioned detections
Method all has cost of equipment maintenance high, safeguards inconvenience, and is vulnerable to environment influence, the defects of stability of a system difference.
The content of the invention
It is an object of the invention to provide a kind of traffic guidance delivery system based on magneto-dependent sensor, solves existing friendship
Logical information acquiring technology, it is high, serious to ground failure cost to be present, has a strong impact on that the stability difference of traffic circulation and detection is asked
Topic.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of traffic guidance delivery system based on magneto-dependent sensor, including magnetosensitive sensing module, data processing module, electricity
Source module, radio frequency transmission module, controller, transport information comprehensive platform processing module and Traffic information demonstration module；
When the magnetosensitive sensing module passes through for detecting vehicle, earth magnetic flux change, and output voltage signal to number
According to processing module；
The data processing module, it is connected respectively with magnetosensitive sensing module and controller, receives the electricity of sensing module input
Pressure, is filtered to voltage, is amplified, blocking, and by voltage ratio compared with output pulse signal；
The power module is connected with controller and radio frequency transmission module respectively, for for controller and radio frequency transmission module
Working power is provided；
The radio frequency transmission module is connected with controller and transport information comprehensive platform processing module respectively, for being controlled
Communications between device processed and transport information comprehensive platform processing module；
The controller is connected with data processing module, power module, energy supply control module and radio frequency transmission module respectively,
The amplification magnitude of voltage and pulse signal that two level amplifying unit and comparing unit are sent respectively in data processing module are received, and will be connect
The information of receipts carries out Treatment Analysis, calculates the speed information by magnetosensitive sensing module, the speed information of detection passes through radio frequency
Defeated module is sent to transport information comprehensive platform processing module；
The transport information comprehensive platform processing module, the speed information sent for receiving multiple controllers, and dock
The speed information of receipts carries out data analysis, fusion treatment and budget, and the changing rule of the magnitude of traffic flow is obtained by processing；
The Traffic information demonstration module is connected with transport information comprehensive platform processing module, is information Graphic Panel, is used for
The traffic flow forecasting information that traffic signals comprehensive platform processing module is sent is shown, induction vehicle is carried out according to the route of induction
Drive.
Further, the data processing module includes low-pass filter unit, one-level amplifying unit, bias unit, two level
Amplifying unit, blocking unit and comparing unit, the low-pass filter unit are connected with one-level amplifying unit, bias unit successively,
Bias unit is connected with two level amplifying unit, and two level amplifying unit is connected with controller and blocking unit respectively, and blocking unit leads to
Comparing unit is crossed to be connected with controller；
The low-pass filtered unit of voltage signal of magnetosensitive sensing module output is filtered, and by filtered voltage
Signal carries out differential amplification through the first amplifying unit；Amplified signal is handled by bias unit again；At biasing
Signal after reason is handled through blocking unit and comparing unit successively again after being amplified by two level amplifying unit.
Further, data analysis and predicting unit, the number are provided with the transport information comprehensive platform processing module
According to analysis with predicting unit by the data, existing traffic flow information and the prediction algorithm that are stored in historical information database to existing
There is the magnitude of traffic flow to be predicted, improve the accuracy of prediction.
Further, energy supply control module, the power supply are connected between the radio frequency transmission module and battery module
Module is used for the power switch for controlling power amplifier in radio frequency transmission module.
Beneficial effects of the present invention：
The present invention collects the change in magnetic field when vehicle passes through detecting devices by magnetosensitive sensing module, to gather on road surface
Information of vehicles, there is the characteristics of anti-interference is high, accuracy is high and easy for installation；Pass through each unit in data processing module
The signal that can be exported to magnetosensitive sensing module is effectively handled, and improves controller to data in data processing module
Identification；Data analysis, fusion treatment and budget are carried out to the vehicle speed of collection by transport information comprehensive platform processing module,
The accuracy of prediction is improved, and the information of prediction is sent to transport information release module, induction vehicle and driven in unimpeded route,
Obstruction is reduced, effectively increases network traffic conevying efficiency.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, used required for being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is a kind of traffic guidance delivery system schematic diagram based on magneto-dependent sensor of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to shown in Fig. 1, the present invention is a kind of traffic guidance delivery system based on magneto-dependent sensor, including magnetosensitive passes
It is flat to feel module, data processing module, power module, energy supply control module, radio frequency transmission module, controller, transport information synthesis
Platform processing module and Traffic information demonstration module；
Magnetosensitive sensing module includes two GMRs, track direction interval setting is respectively parallel to, for detecting vehicle
When passing through, earth magnetic flux change, and output voltage signal to data processing module；
Data processing module, it is connected with magnetosensitive sensing module, receives the voltage of sensing module input, voltage was carried out
Filter, amplification, blocking, and low-pass filter unit, one-level are included compared with output pulse signal, wherein data processing module by voltage ratio
Amplifying unit, bias unit, two level amplifying unit, blocking unit and comparing unit, the voltage signal of GMR output is through low
Pass filtering unit is filtered, and filtered voltage signal is carried out into differential amplification through the first amplifying unit, is realized and is suppressed altogether
Mould interference, reduce zero shift；Amplified signal is handled by bias unit again, reduces signal fluctuation；At biasing
Signal after reason is handled through blocking unit and comparing unit successively again after being amplified by two level amplifying unit, through comparing unit
Signals of vehicles after processing forms pulse signal and sent to controller；In addition, the voltage signal after the amplification of two level amplifying unit
Send to controller.
Power module is connected with controller and radio frequency transmission module respectively, for being provided for controller and radio frequency transmission module
Working power；
Radio frequency transmission module is connected with controller and transport information comprehensive platform processing module respectively, for being controlled device
With the communications between transport information comprehensive platform processing module, due to radio frequency transmission module not be constantly in working condition,
In order to improve the service life of electricity in battery module, power supply mould is connected between radio frequency transmission module and battery module
Block, energy supply control module are used for the power switch for controlling power amplifier in radio frequency transmission module.
Controller is connected with data processing module, power module, energy supply control module and radio frequency transmission module respectively, is received
The amplification magnitude of voltage and pulse signal that two level amplifying unit and comparing unit are sent respectively in data processing module, and by reception
Information carries out Treatment Analysis, calculates the speed information by magnetosensitive sensing module, the speed information of detection is through radio frequency transmission mould
Block is sent to transport information comprehensive platform processing module；After the signal of data processing module transmission is received, controller is sent
For control instruction to energy supply control module, energy supply control module control radio frequency transmission module is in opening, and then by reception
Speed information is sent to transport information comprehensive platform processing module.
Transport information comprehensive platform processing module, the speed information sent for receiving multiple controllers, and dock and return the vehicle to the garage and knock off
Fast information carries out data analysis, fusion treatment and budget, the changing rule of the magnitude of traffic flow can be obtained by processing, so as to make
The accurate traffic trend of science, wherein, data analysis and prediction are provided with transport information comprehensive platform processing module
Unit, the data analysis and predicting unit by the data that are stored in historical information database, existing traffic flow information and
Prediction algorithm is predicted to the existing magnitude of traffic flow, improves the accuracy of prediction.
Traffic information demonstration module is connected with transport information comprehensive platform processing module, is information Graphic Panel, for showing
The traffic flow forecasting information that traffic signals comprehensive platform processing module is sent, induction vehicle are driven according to unimpeded route,
Obstruction is reduced, effectively increases network traffic conevying efficiency.
The present invention collects the change in magnetic field when vehicle passes through detecting devices by magnetosensitive sensing module, to gather on road surface
Information of vehicles, there is the characteristics of anti-interference is high, accuracy is high and easy for installation；Pass through each unit in data processing module
The signal that can be exported to magnetosensitive sensing module is effectively handled, and improves controller to data in data processing module
Identification；Data analysis, fusion treatment and budget are carried out to the vehicle speed of collection by transport information comprehensive platform processing module,
The accuracy of prediction is improved, and the information of prediction is sent to transport information release module, induction vehicle and driven in unimpeded route,
Obstruction is reduced, effectively increases network traffic conevying efficiency.
Above content is only to design example and explanation of the invention, affiliated those skilled in the art
Various modifications or supplement are made to described specific embodiment or is substituted using similar mode, without departing from invention
Design or surmount scope defined in the claims, protection scope of the present invention all should be belonged to.
Claims (4)
- A kind of 1. traffic guidance delivery system based on magneto-dependent sensor, it is characterised in that：At magnetosensitive sensing module, data Manage module, power module, radio frequency transmission module, controller, transport information comprehensive platform processing module and Traffic information demonstration mould Block；When the magnetosensitive sensing module passes through for detecting vehicle, earth magnetic flux change, and output voltage signal at data Manage module；The data processing module, it is connected respectively with magnetosensitive sensing module and controller, receives the voltage of sensing module input, it is right Voltage is filtered, amplified, blocking, and by voltage ratio compared with output pulse signal；The power module is connected with controller and radio frequency transmission module respectively, for being provided for controller and radio frequency transmission module Working power；The radio frequency transmission module is connected with controller and transport information comprehensive platform processing module respectively, for being controlled device With the communications between transport information comprehensive platform processing module；The controller is connected with data processing module, power module, energy supply control module and radio frequency transmission module respectively, is received The amplification magnitude of voltage and pulse signal that two level amplifying unit and comparing unit are sent respectively in data processing module, and by reception Information carries out Treatment Analysis, calculates the speed information by magnetosensitive sensing module, the speed information of detection is through radio frequency transmission mould Block is sent to transport information comprehensive platform processing module；The transport information comprehensive platform processing module, the speed information sent for receiving multiple controllers, and to reception Speed information carries out data analysis, fusion treatment and budget, and the changing rule of the magnitude of traffic flow is obtained by processing；The Traffic information demonstration module is connected with transport information comprehensive platform processing module, is information Graphic Panel, for showing The traffic flow forecasting information that traffic signals comprehensive platform processing module is sent, induction vehicle are driven according to the route of induction Sail.
- A kind of 2. traffic guidance delivery system based on magneto-dependent sensor according to claim 1, it is characterised in that：It is described Data processing module includes low-pass filter unit, one-level amplifying unit, bias unit, two level amplifying unit, blocking unit and ratio Compared with unit, the low-pass filter unit is connected with one-level amplifying unit, bias unit successively, bias unit and two level amplifying unit Connection, two level amplifying unit are connected with controller and blocking unit respectively, and blocking unit is connected by comparing unit with controller；The low-pass filtered unit of voltage signal of magnetosensitive sensing module output is filtered, and by filtered voltage signal Differential amplification is carried out through the first amplifying unit；Amplified signal is handled by bias unit again；After bias treatment Signal by two level amplifying unit amplify after handled successively through blocking unit and comparing unit again.
- A kind of 3. traffic guidance delivery system based on magneto-dependent sensor according to claim 1, it is characterised in that：It is described Data analysis and predicting unit are provided with transport information comprehensive platform processing module, the data analysis is with predicting unit by going through Data, existing traffic flow information and the prediction algorithm stored in history information database is predicted to the existing magnitude of traffic flow, is carried The accuracy of height prediction.
- A kind of 4. traffic guidance delivery system based on magneto-dependent sensor according to claim 1, it is characterised in that：It is described Energy supply control module is connected between radio frequency transmission module and battery module, the energy supply control module is used to control radio frequency transmission mould The power switch of power amplifier in block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710743496.5A CN107481529A (en) | 2017-08-25 | 2017-08-25 | A kind of traffic guidance delivery system based on magneto-dependent sensor |
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| CN201710743496.5A CN107481529A (en) | 2017-08-25 | 2017-08-25 | A kind of traffic guidance delivery system based on magneto-dependent sensor |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2373619A (en) * | 2001-03-23 | 2002-09-25 | Golden River Traffic Ltd | Measurement of traffic density |
| CN101739839A (en) * | 2008-11-14 | 2010-06-16 | 上海经达实业发展有限公司 | Vehicle dynamic path navigational system |
| CN102542809A (en) * | 2010-12-22 | 2012-07-04 | 无锡物联网产业研究院 | Method and system for detecting traffic information, and magnetic sensitive sensor nodes |
| CN103280096A (en) * | 2013-03-29 | 2013-09-04 | 苏州数伦科技有限公司 | Traffic monitoring management system |
| CN104167096A (en) * | 2014-08-29 | 2014-11-26 | 南京理工大学 | Urban traffic congestion early warning method, device and system |
-
2017
- 2017-08-25 CN CN201710743496.5A patent/CN107481529A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2373619A (en) * | 2001-03-23 | 2002-09-25 | Golden River Traffic Ltd | Measurement of traffic density |
| CN101739839A (en) * | 2008-11-14 | 2010-06-16 | 上海经达实业发展有限公司 | Vehicle dynamic path navigational system |
| CN102542809A (en) * | 2010-12-22 | 2012-07-04 | 无锡物联网产业研究院 | Method and system for detecting traffic information, and magnetic sensitive sensor nodes |
| CN103280096A (en) * | 2013-03-29 | 2013-09-04 | 苏州数伦科技有限公司 | Traffic monitoring management system |
| CN104167096A (en) * | 2014-08-29 | 2014-11-26 | 南京理工大学 | Urban traffic congestion early warning method, device and system |
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Application publication date: 20171215 |
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