CN205541432U - Wireless geomagnetic vehicle detector - Google Patents
Wireless geomagnetic vehicle detector Download PDFInfo
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- CN205541432U CN205541432U CN201620087708.XU CN201620087708U CN205541432U CN 205541432 U CN205541432 U CN 205541432U CN 201620087708 U CN201620087708 U CN 201620087708U CN 205541432 U CN205541432 U CN 205541432U
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Abstract
The utility model discloses a wireless geomagnetic vehicle detector contains microcontroller module and connected vehicle detection module, environment detection module, wireless transceiver module, orientation module, clock module and data storage module, environment detection module contains temperature sensor, humidity transducer, photosensitive sensor, vibration sensor, analog -to -digital conversion module, amplifier circuit module, rectifier module, data processing module, data transmission module, temperature sensor, humidity transducer, photosensitive sensor, vibration sensor loop through analog -to -digital conversion module, amplifier circuit module, rectifier module respectively and connect data processing module, the data transmission module is connected with data processing module.
Description
Technical field
The utility model relates to a kind of vehicle detector, particularly relates to a kind of wireless geomagnetism vehicle detector, belongs to vehicle detection control field.
Background technology
Along with developing rapidly of intelligent transport technology, traffic information collection technology, particularly vehicle testing techniques become particularly important.When vehicle travels in the road, the signals such as heat, sound, magnetic can be discharged.Traffic detector is by detecting these signals, and utilizes one or more information therein in order to the vehicle detecting in traveling.The kind detecting sensor used according to traffic detector is divided, and can be classified as pressure, acceleration, magnetic field, inductance, ultrasonic wave, frequency, photoelectricity, image sensing etc..They pass through perception, change and transmit time, appearance and size or image that related physical quantity detects that a certain interface vehicle passes through, and are transmitted to processing unit.The physical quantity that these are transmitted by processing unit is converted to vehicle key element value, such as the number of axle, wheelbase, vehicle dimension etc..Wide detector is applied to have ring coil detector, geomagnetism detecting device, supersonic detector and video detector at present.But, these traffic detector still suffer from problem and shortage from Cleaning Principle with in terms of installing and using etc., govern raising and the development of traffic administration and control level.
Along with economic develops rapidly, the dynamics of investment of infrastructure is increasing, and one of performance is exactly road construction.But owing to the road construction cycle is the longest, it increases the sharp increase not catching up with far away vehicle so that traffic goes from bad to worse, and this almost becomes the common fault in all cities.The effective solution changing current this current situation of traffic is exactly the traffic surveillance and control system at city traffic management department Erecting and improving.The main target of traffic surveillance and control system is to adapt to the change of dynamic traffic situation.I.e. by gathering traffic data and being transmitted to traffic control center, it is analyzed at center, according to analysis result, comes in and goes out and signal lamp centrally through controlling vehicle, thus preferably controlled traffic；Center can also utilize these data to take measures rapidly when there is traffic accident.Administrative center can pass to driver the traffic data gathered simultaneously, and this contributes to slowing down traffic congestion, optimizes traffic route.Use traffic surveillance and control system can improve the traffic capacity of existing road, the sudden traffic events of Coordination Treatment, relax traffic jam, thus improve traffic.Data collecting system plays very important effect in traffic surveillance and control system, so the data collecting system that research has higher using value is necessary.Vehicle detecting sensor is the key component of data collecting system, and the accuracy of data collecting system is played a decisive role by the performance of sensor.
Existing wagon detector uses the single signal produced in detection vehicle travel process as Cleaning Principle mostly, as ultra sonic vehicle detector sends ultrasonic wave by ultrasonic transmitter to vehicle, the ultrasonic signal that detection is reflected back through vehicle, it is thus achieved that vehicle count information.The unicity of detection information result in existing vehicle testing techniques and there is some technology blind spot, and this is caused by its Cleaning Principle, and such as supersonic detector, when front vehicles is blocked by large car, will occur false retrieval or missing inspection.These technology blind spots limit the raising of accuracy of detection.Meanwhile, the unicity of detection information result also in, and detector is easily subject to the larger interference of surrounding enviroment, the such as weather conditions impact on video detector, the impact etc. on supersonic detector such as pedestrian, branch.In the case of detection information is single, the destruction of detection data cannot be saved by the impact that these surrounding enviroment cause.This result also in existing wagon detector has special requirement to installation site and installation method, and the wagon detector adapting to multiple detection environment is difficult to.
Utility model content
Technical problem to be solved in the utility model is that the deficiency for background technology provides a kind of wireless geomagnetism vehicle detector.
The utility model is for solving above-mentioned technical problem by the following technical solutions:
A kind of wireless geomagnetism vehicle detector, comprise micro controller module and connected vehicle detection module, context detection module, radio receiving transmitting module, locating module, clock module and data memory module, described context detection module comprises temperature sensor, humidity sensor, light sensor, vibrating sensor, analog-to-digital conversion module, amplification circuit module, rectification filtering module, data processing module, data transmission module, described temperature sensor, humidity sensor, light sensor, vibrating sensor passes sequentially through analog-to-digital conversion module respectively, amplification circuit module, rectification filtering module connects data processing module, described data transmission module is connected with data processing module.
As the further preferred scheme of the utility model a kind of wireless geomagnetism vehicle detector, described vehicle detection module uses three axle magnetoresistive transducers.
Further preferred scheme as the utility model a kind of wireless geomagnetism vehicle detector, described amplification circuit module comprises amplifying circuit chip, the first resistance, the second resistance, the 3rd resistance, the output of analog-to-digital conversion module connects the first resistance and one end of the second resistance respectively, the other end of the second resistance connects the positive pole of amplifying circuit chip, with the other end ground connection of the first resistance after the negative pole of amplifying circuit chip and the 3rd resistant series, the voltage output end of amplifying circuit chip connects the input of rectification filtering module.
Further preferred scheme as the utility model a kind of wireless geomagnetism vehicle detector, also comprising power management module, described power management module is connected with vehicle detection module, context detection module, radio receiving transmitting module, locating module, clock module and data memory module respectively.
As the further preferred scheme of the utility model a kind of wireless geomagnetism vehicle detector, described locating module uses GPRS locating module.
As the further preferred scheme of the utility model a kind of wireless geomagnetism vehicle detector, the doping type photo resistance that described light sensor uses resistance value to be 10k Ω.
The utility model uses above technical scheme compared with prior art, has following technical effect that
1, during the utility model can apply the engineerings such as parking lot residue parking stall detection in the open, the guiding of parking lot intelligent parking, intelligent traffic administration system, city inducible system, there is accuracy rate simple in construction high, little to ground failure, easy for installation, it is easy to accomplish；
2, the utility model is compared with traditional inductance coil traffic parameter sensor, few to the destruction on ground, and I&M is simple, is suitable for the use of indoor or large parking lot；Vehicle detection module uses on parking stall, road limit, and owing to being affected by vehicular traffic, monitoring accuracy is significantly lower than in indoor or large parking lot using effect, and power consumption substantially increases；
3, the utility model uses the power supply of power management magnetic vehicle detector over the ground to carry out intelligent charge control, effectively extends the service life of battery；
4. the utility model uses environment measuring technology, it is achieved the Intelligent adjustment of system whole detection, when detecting module perception vehicle is through more frequently time, or when weather is poor, reduces vehicle detection interval, improves system whole detection frequency；When night or vehicle are when frequent, increase vehicle detection interval, overall reduction system overall power.
Accompanying drawing explanation
Fig. 1 is system architecture schematic diagram of the present utility model；
Fig. 2 is the structure principle chart of the utility model context detection module；
Fig. 3 is the utility model amplification circuit module circuit diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawings the technical solution of the utility model is described in further detail:
As it is shown in figure 1, a kind of wireless geomagnetism vehicle detector, comprise micro controller module and connected vehicle detection module, context detection module, radio receiving transmitting module, locating module, clock module and data memory module.Described vehicle detection module is used for detecting information of vehicles, the three axle magnetoresistive transducers that described vehicle detection module uses chip model to be MAG3110, is detected by earth's magnetic field and judges vehicle, judges vehicle through the detection of out-of-date magnetic line of force distorting event；Detection vehicle by time the change of magnetic field strength vertically and horizontally in magnetic field is judged.Judge whether certain presumptive area has the existence of vehicle.Described context detection module detects the information such as environment temperature, humidity, intensity of illumination automatically, automatically adjusts vehicle detection interval, such as, during daytime, vehicle detection interval is shorter, and during night, vehicle detection interval is longer.Use environment measuring technology, it is achieved the Intelligent adjustment of system whole detection, when detecting module perception vehicle is through more frequently time, or when weather is poor, reduce vehicle detection interval, improve system whole detection frequency；When night or vehicle are when frequent, increase vehicle detection interval, overall reduction system overall power.Described locating module uses GPS/ Big Dipper locating module, and real-time positioning garage position, the data that described data memory module real-time storage vehicle detection module, context detection module and locating module are gathered are according to clock module real-time storage.Automobile, as ferromagnet, can cause the change of the magnetic line of force when its closely Magnetic Sensor, by monitoring these minor variations, it can be determined that whether parking stall has the existence of automobile.Vehicle detection module selects open ISM microwave frequency band, and radio receiving transmitting module uses 433MHz wireless sensor technology, and built-in high-performance lithium thionyl chloride battery is powered, and uses low power dissipation design to work continuously 3 to 5 years.The similar circular track pin structure of device housings design, is molded with high intensity ABS and PC material injection, appearance and size: diameter 126mm × high 32mm.Waterproof, antiacid caustic corrosion, anti-collision.Photo resistance detection is for improving the accuracy rate whether having car to differentiate.The doping type photo resistance that the utility model has selected resistance value to be 10k Ω, visible light-responded to (0.4 ~ 0.76) μm, diameter 5mm.
The utility model can be applied in the engineerings such as parking lot residue parking stall detection in the open, the guiding of parking lot intelligent parking, intelligent traffic administration system, city inducible system, has accuracy rate simple in construction high, little to ground failure, easy for installation, it is easy to accomplish；
The utility model is compared with traditional inductance coil traffic parameter sensor, few to the destruction on ground, and I&M is simple, is suitable for the use of indoor or large parking lot；Vehicle detection module uses on parking stall, road limit, and owing to being affected by vehicular traffic, monitoring accuracy is significantly lower than in indoor or large parking lot using effect, and power consumption substantially increases；
As shown in Figure 2, described context detection module comprises temperature sensor, humidity sensor, light sensor, vibrating sensor, analog-to-digital conversion module, amplification circuit module, rectification filtering module, data processing module, data transmission module, described temperature sensor, humidity sensor, light sensor, vibrating sensor pass sequentially through analog-to-digital conversion module, amplification circuit module, rectification filtering module connection data processing module respectively, described data transmission module is connected with data processing module, and described vehicle detection module uses three axle magnetoresistive transducers.Described context detection module detects the information such as environment temperature, humidity, intensity of illumination automatically, automatically adjusts vehicle detection interval, such as, during daytime, vehicle detection interval is shorter, and during night, vehicle detection interval is longer.Use environment measuring technology, it is achieved the Intelligent adjustment of system whole detection, when detecting module perception vehicle is through more frequently time, or when weather is poor, reduce vehicle detection interval, improve system whole detection frequency；When night or vehicle are when frequent, increase vehicle detection interval, overall reduction system overall power.
As shown in Figure 3, described amplification circuit module comprises amplifying circuit chip, the first resistance, the second resistance, the 3rd resistance, the output of analog-to-digital conversion module connects the first resistance and one end of the second resistance respectively, the other end of the second resistance connects the positive pole of amplifying circuit chip, with the other end ground connection of the first resistance after the negative pole of amplifying circuit chip and the 3rd resistant series, the voltage output end of amplifying circuit chip connects the input of rectification filtering module.
Wherein, also comprising power management module, described power management module is connected with vehicle detection module, context detection module, radio receiving transmitting module, locating module, clock module and data memory module respectively, and described locating module uses GPRS locating module.Described vehicle detection module is connected to the input of micro controller module, automatically detects information of vehicles.Described power management module receives the output signal of environment detection module, automatically adjusts power management function, suitably reduces system power dissipation, simultaneously according to system power dissipation, automatically carries out wireless charging.Such as during daytime, vehicle detection interval is shorter, and during night, vehicle detection interval is longer.Use environment measuring technology, it is achieved the Intelligent adjustment of system whole detection, when detecting module perception vehicle is through more frequently time, or when weather is poor, reduce vehicle detection interval, improve system whole detection frequency；When night or vehicle are when frequent, increase vehicle detection interval, overall reduction system overall power.Described environment sensing module detects the information such as environment temperature, humidity, intensity of illumination automatically, automatically adjusts vehicle detection interval, such as, during daytime, vehicle detection interval is shorter, and during night, vehicle detection interval is longer.The power supply of bright employing power management magnetic vehicle detector over the ground carries out intelligent charge control, effectively extends the service life of battery.
The utility model can be applied in the engineerings such as the guiding of parking lot intelligent parking, intelligent traffic administration system, has accuracy rate simple in construction high, little to ground failure, easy for installation, it is easy to accomplish；The utility model is compared with traditional inductance coil traffic parameter sensor, few to the destruction on ground, and I&M is simple, is suitable for the use of indoor or large parking lot；Vehicle detection module uses on parking stall, road limit, and owing to being affected by vehicular traffic, monitoring accuracy is significantly lower than in indoor or large parking lot using effect, and power consumption substantially increases；The power supply using power management magnetic vehicle detector over the ground carries out intelligent charge control, effectively extends the service life of battery.
In sum, of the present utility model general principle and principal character and of the present utility model advantage have more than been shown and described.Skilled person will appreciate that of the industry; the utility model is not restricted to the described embodiments; described in above-described embodiment and specification, principle of the present utility model is simply described; on the premise of without departing from the utility model spirit and scope; the utility model also has various changes and modifications, in the range of these changes and improvements both fall within claimed the utility model.The utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (6)
1. a wireless geomagnetism vehicle detector, it is characterized in that: comprise micro controller module and connected vehicle detection module, context detection module, radio receiving transmitting module, locating module, clock module and data memory module, described context detection module comprises temperature sensor, humidity sensor, light sensor, vibrating sensor, analog-to-digital conversion module, amplification circuit module, rectification filtering module, data processing module, data transmission module, described temperature sensor, humidity sensor, light sensor, vibrating sensor passes sequentially through analog-to-digital conversion module respectively, amplification circuit module, rectification filtering module connects data processing module, described data transmission module is connected with data processing module.
A kind of wireless geomagnetism vehicle detector the most according to claim 1, it is characterised in that: described vehicle detection module uses three axle magnetoresistive transducers.
A kind of wireless geomagnetism vehicle detector the most according to claim 1, it is characterized in that: described amplification circuit module comprises amplifying circuit chip, the first resistance, the second resistance, the 3rd resistance, the output of analog-to-digital conversion module connects the first resistance and one end of the second resistance respectively, the other end of the second resistance connects the positive pole of amplifying circuit chip, with the other end ground connection of the first resistance after the negative pole of amplifying circuit chip and the 3rd resistant series, the voltage output end of amplifying circuit chip connects the input of rectification filtering module.
A kind of wireless geomagnetism vehicle detector the most according to claim 1, it is characterized in that: also comprise power management module, described power management module is connected with vehicle detection module, context detection module, radio receiving transmitting module, locating module, clock module and data memory module respectively.
A kind of wireless geomagnetism vehicle detector the most according to claim 1, it is characterised in that: described locating module uses GPRS locating module.
A kind of wireless geomagnetism vehicle detector the most according to claim 1, it is characterised in that: the doping type photo resistance that described light sensor uses resistance value to be 10k Ω.
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| CN201620087708.XU CN205541432U (en) | 2016-01-28 | 2016-01-28 | Wireless geomagnetic vehicle detector |
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| CN201620087708.XU CN205541432U (en) | 2016-01-28 | 2016-01-28 | Wireless geomagnetic vehicle detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105528897A (en) * | 2016-01-28 | 2016-04-27 | 江苏九比特信息系统有限公司 | Wireless geomagnetic vehicle detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105528897A (en) * | 2016-01-28 | 2016-04-27 | 江苏九比特信息系统有限公司 | Wireless geomagnetic vehicle detector |
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