CN202711467U - Vehicle detecting device based on magnetic sensor - Google Patents
Vehicle detecting device based on magnetic sensor Download PDFInfo
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- CN202711467U CN202711467U CN 201220355306 CN201220355306U CN202711467U CN 202711467 U CN202711467 U CN 202711467U CN 201220355306 CN201220355306 CN 201220355306 CN 201220355306 U CN201220355306 U CN 201220355306U CN 202711467 U CN202711467 U CN 202711467U
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Abstract
The utility model relates to a vehicle detecting device based on a magnetic sensor, comprising a wireless sending module and a wireless receiving module, a magnetic sensor for obtaining a vehicle passing signal, a lower computer for acquiring the vehicle passing signal and an upper computer for calculating the vehicle passing signal according to the received magnetic signal, wherein the lower computer is connected with the magnetic sensor; the lower computer is further connected with the wireless sending module; the wireless sending module is suitable for wireless communication with the wireless receiving module; and the wireless receiving module is connected with the upper computer. The device employs the highly sensitive magnetoresistive sensor to detect vehicles, and thereby is high in sensitivity, high in reliability, capable of working in severe environment, compact and small, convenient to mount and maintain, low in power consumption, capable of working for a long time under battery support and also capable of being mounted and used in areas without alternating-current power supply.
Description
Technical field
The utility model relates to a kind of motor vehicle detector, relates in particular to a kind of motor vehicle detector that is provided with Magnetic Sensor.
Background technology
Along with the fast development of urban highway traffic cause, the urban transportation vehicle flowrate is increasing, if dredge ineffectively, will cause and block up.Implement monitoring urban highway traffic wagon flow, extremely important to guiding, relieving traffic congestion, therefore, the major trunk roads in city and main traffic location all are provided with the monitoring that motor vehicle detector is used for the road traffic parameter such as vehicle flowrate basically.Extensively adopt at present the mode of under road, imbedding the vehicle detection ground induction coil, this technology is comparative maturity, be used widely, but it is the Shortcomings part also, need to destroy the road surface in the process such as installation, quantities is large, coil can be because of environmental impact generation deformation when underground, and can be subject to heavy vehicle when road traveling to damages in various degree such as it push, causes, within the time of 2-3, just need so in time changing of coils to be processed, seriously increased correlative charges; And inductive coil power consumption is larger, can't be in non-transformer highway section use etc.So how to provide a kind of highly sensitive, degree of accuracy is high, reliability is high, power consumption is little and make things convenient for the motor vehicle detector of installation and maintenance for the Real-Time Monitoring of traffic parameter, is the technical barrier of this area, also is present intelligent transportation field problem demanding prompt solution.
The utility model content
The technical problems to be solved in the utility model provide a kind of highly sensitive, reliability is high, power consumption is low, the volume compact make things convenient for installation and maintenance the motor vehicle detector based on Magnetic Sensor.
In order to solve the problems of the technologies described above, the utility model provides a kind of motor vehicle detector based on Magnetic Sensor, comprise: wireless sending module and wireless receiving module, be used for obtaining a vehicle through the Magnetic Sensor of out-of-date magnetic signal, be used for gathering the slave computer of described magnetic signal, be used for calculating this vehicle through the host computer of signal according to the described magnetic signal that receives; Described slave computer links to each other with described Magnetic Sensor, and described slave computer also links to each other with described wireless sending module; Described wireless sending module is suitable for and the wireless receiving module wireless telecommunications; Described wireless receiving module links to each other with described host computer.
Further, for speed being carried out later stage system's processing, described host computer also links to each other with the PC main frame.
Further, in order to realize the distributed data acquisition and processing, described host computer can be a wireless network node, and links to each other with other network node.
Technique scheme of the present utility model has the following advantages compared to existing technology: (1) this device uses highly sensitive magnetoresistive transducer as sensing element, and highly sensitive, reliability is high, can use under the different kinds of roads environment.(2) adopt wireless transmission method work in the device, the signal sending and receiving separates, need not be on road cable laying.(3) the device volume compactness is small and exquisite, and power consumption is low, makes things convenient for the installation quantities little, and existing road without destruction, is not subjected to the roadside power limitations, makes things convenient for installation and maintenance.(4) cooperate different software, can realize to different traffic parameters such as the speed of a motor vehicle monitoring of vehicle flowrate etc.
Description of drawings
For content of the present utility model is more likely to be clearly understood, below the specific embodiment and by reference to the accompanying drawings of basis, the utility model is described in further detail, wherein
Fig. 1 is slave computer connection diagram of the present utility model;
Fig. 2 is host computer connection diagram of the present utility model.
Embodiment
The present invention is described in detail below in conjunction with drawings and Examples:
Automobile mostly belongs to ferromagnetic structure, can regard bipolar magnet as in earth magnetism, and automobile magnetic field can produce disturbance to the terrestrial magnetic field, causes the distortion of the terrestrial magnetic field magnetic line of force.Automobile static or when travelling movement velocity different with direction, also often different to the disturbance of terrestrial magnetic field, can by detecting the characteristic of disturbance of magnetic field, judge information of vehicles and transport condition thereof accordingly.The vehicle monitoring that appears as of high sensitivity, high precision magnetoresistive transducer provides new solution.Magnetic Sensor is based on the magnetoresistance manufacturing, and is highly sensitive, can detect dynamic or static vehicle, can work reliably and with long-term, can adapt to the harsher working environment of road monitoring and measuring application, than vehicle sensors such as existing geomagnetic induction coils more advantage arranged; Magnetic Sensor power consumption is very little, and its use is not subjected to power limitations, can install and use in the non-transformer highway section, can effectively expand the road monitoring range; The Magnetic Sensor volume is very little, cooperates high density paster field engineering, can realize miniaturization and the microminiaturization of equipment for monitoring vehicles, greatly make things convenient for installation and the deployment of vehicle monitoring system, reduce the quantities of installation, effectively reduce fund input, be convenient to large tracts of land and use.
See Fig. 1-2, provide a kind of motor vehicle detector based on Magnetic Sensor so this is novel, comprise: wireless sending module 101 and wireless receiving module 201, be used for obtaining the Magnetic Sensor 102 of a vehicle elapsed time signal, be used for gathering the slave computer 1 of described magnetic signal, be used for calculating this vehicle through the host computer 2 of signal according to the described magnetic signal that receives; Described slave computer 1 links to each other with described Magnetic Sensor 102, and described slave computer 1 also links to each other with described wireless sending module 101; Described wireless sending module 101 is suitable for and wireless receiving module 201 wireless telecommunications; Described wireless receiving module 201 links to each other with described host computer 2.
Described magnetic signal is sent to wireless receiving module 201 by described wireless sending module 101, calculates the process signal of this vehicle by described host computer 2.
Described host computer 2 also links to each other with receiving terminal display module 204.
Described host computer 2 also links to each other with PC main frame 205.
The MCU of described host computer 1 and slave computer 2 adopts STC12C5A16S2, perhaps the STC12 series monolithic; MCU also can adopt other chips in addition, the embedded chips such as 51 series or ARM.
Described Magnetic Sensor 102 adopts the magnetic resistance magnetic sensor module.
It is wireless transport module that described wireless sending module 101 and wireless receiving module 201 adopt SI4432.
Obviously, above-described embodiment only is for the utility model example clearly is described, and is not to be restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And these belong to apparent variation or the change that spirit of the present utility model extended out and still are among the protection domain of the present utility model.
Claims (3)
1. motor vehicle detector based on Magnetic Sensor, it is characterized in that comprising: wireless sending module and wireless receiving module, Magnetic Sensor for the magnetic signal that obtains a vehicle process, be used for gathering the slave computer of described magnetic signal, be used for calculating this vehicle through the host computer of signal according to the described magnetic signal that receives;
Described slave computer links to each other with described Magnetic Sensor, and described slave computer also links to each other with described wireless sending module;
Described wireless sending module is suitable for and the wireless receiving module wireless telecommunications;
Described wireless receiving module links to each other with described host computer.
2. the motor vehicle detector based on Magnetic Sensor according to claim 1 is characterized in that, described host computer also links to each other with the receiving terminal display module.
3. the motor vehicle detector based on Magnetic Sensor according to claim 1 and 2 is characterized in that, described host computer also links to each other with the PC main frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220355306 CN202711467U (en) | 2012-07-20 | 2012-07-20 | Vehicle detecting device based on magnetic sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220355306 CN202711467U (en) | 2012-07-20 | 2012-07-20 | Vehicle detecting device based on magnetic sensor |
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| Publication Number | Publication Date |
|---|---|
| CN202711467U true CN202711467U (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220355306 Expired - Fee Related CN202711467U (en) | 2012-07-20 | 2012-07-20 | Vehicle detecting device based on magnetic sensor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236187A (en) * | 2013-04-24 | 2013-08-07 | 长安大学 | Giant-magnetoresistance-based parking space detection system and parking space detection method |
| CN106297316A (en) * | 2016-08-31 | 2017-01-04 | 青岛克莱玛物联技术有限公司 | One wirelessly feels vehicle detection apparatus and method |
| CN107180553A (en) * | 2017-06-14 | 2017-09-19 | 陕西科技大学 | A kind of intelligent steering managing system of car parking and method |
-
2012
- 2012-07-20 CN CN 201220355306 patent/CN202711467U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236187A (en) * | 2013-04-24 | 2013-08-07 | 长安大学 | Giant-magnetoresistance-based parking space detection system and parking space detection method |
| CN106297316A (en) * | 2016-08-31 | 2017-01-04 | 青岛克莱玛物联技术有限公司 | One wirelessly feels vehicle detection apparatus and method |
| CN106297316B (en) * | 2016-08-31 | 2020-02-21 | 青岛克莱玛物联技术有限公司 | Wireless ground sensing vehicle detection device and method |
| CN107180553A (en) * | 2017-06-14 | 2017-09-19 | 陕西科技大学 | A kind of intelligent steering managing system of car parking and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20150720 |
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| EXPY | Termination of patent right or utility model |