CN105046955A - Method and system for acquiring traffic conditions of motor vehicles on the roads in real time - Google Patents
Method and system for acquiring traffic conditions of motor vehicles on the roads in real time Download PDFInfo
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- CN105046955A CN105046955A CN201510348657.1A CN201510348657A CN105046955A CN 105046955 A CN105046955 A CN 105046955A CN 201510348657 A CN201510348657 A CN 201510348657A CN 105046955 A CN105046955 A CN 105046955A
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Abstract
The invention provides a method and system for acquiring traffic conditions of motor vehicles on the roads in real time and belongs to the field of traffic informationization. The method comprises steps that a vehicular terminal on a motor vehicle positions the motor vehicle in real time and uploads positioning information and identity information to a server; the server processes the positioning information of the motor vehicle to obtain road condition information, and acquires the source of the positioning information of the motor vehicle according to the identity information, wherein the vehicular terminal is a vehicular system having positioning and communication functions or an equipment combination in which a mobile smart terminal and a vehicular positioning trigger cooperate to operate. According to the method and the system, acquired traffic data completely originates from the vehicular terminal on the motor vehicle; and the uploaded data includes the identity information such that it is easy for the server to know which identity supplies the data. The method and the system do not depend on other external systems or resources, prevent a long complex process of analyzing, converting, and integrating different types of data from different systems and errors in manual analysis and judgment, and guarantee the realtimeness and accuracy of the road conditions.
Description
Technical field
The present invention relates to transport information technical field, be specifically related to the acquisition system of the real-time automobile traffic road conditions of a kind of road.
Background technology
Along with the raising of expanding economy and living standards of the people, automobile pollution also promotes rapidly, and the thing followed is congestion in road and goes out line efficiency and reduce.If can grasp road real-time traffic flow amount state, motor vehicle user before travel or in trip arranging rational trip opportunity and route accordingly, can will improve and line efficiency greatly, avoid the generation of blocking up and expansion, and reduce the economic loss brought thus.
The Floating Car etc. that current acquisition of road traffic information mode mainly comprises camera video detection, ground induction coil detects, is equipped with GPS, but the factor such as these means are limited to device distribution and Floating Car is limited, cannot provide broad covered area and real-time information of vehicle flowrate for user.
Along with the development of mobile communication industry, smart mobile phone large area is popularized.Be that the mobile intelligent terminal of representative possesses position data collecting function with smart mobile phone, the position making the intelligent mobile terminal of numerous motorist to produce, movable information and other sensor data collections also process, and the automobile traffic state grasping present road becomes possibility.In reality, need most and be appreciated that automobile traffic status information, and mobile intelligent terminal may be carried on it the driver that driving, also may be carried on static passerby or just be positioned over a certain position, if so do not add examination the information that all mobile intelligent terminals are uploaded is considered as automobile traffic traffic information, certainly exist a large amount of invalid data, be difficult to the accuracy ensureing traffic information.The Chinese patent ZL2012102268082 of Zhejiang University's application discloses a kind of real-time traffic condition acquisition method based on mobile intelligent terminal, its utilize the sensor of mobile intelligent terminal to carry out the traffic environment information residing for it such as drive, static, walk, run etc. classification and identification, to reduce invalid data.But the program is not directly confirm that mobile intelligent terminal is arranged on the motor vehicle of driving procedure, but differentiate mobile intelligent terminal bearer type indirectly by the information identification of terminal collection with classification, owing to there is manual analysis factor, inevitably there is error rate in it, and it requires that training sample is abundant, modelling good, therefore realize difficulty large, cost is high.
Summary of the invention
For above defect or the Improvement requirement of prior art, the invention provides the acquisition system of the real-time automobile traffic road conditions of a kind of road, the traffic data gathered derives from the car-mounted terminal being positioned at and motor vehicle possessing communication and positioning function completely, uploading data contains identity information, server is easy to just to know which identity contribute to data, do not rely on other external systems or resource, avoid the error of manual analysis, ensure that real-time and the accuracy of traffic information.
In order to realize technical purpose of the present invention, the invention provides a kind of road real-time automobile traffic road condition acquiring system, comprising:
Possess the car-mounted terminal of location and communication function, for real-time location, and the identity information that the locating information characterizing motor vehicle is taken with oneself is uploaded onto the server;
Server, for obtaining traffic information to the process of motor vehicle locating information, knows the source of motor vehicle locating information according to identity information.
Further, described car-mounted terminal is the onboard system possessing communication and positioning function.
Further, with the device code of onboard system to server application identity.
Further, described onboard system uploads onto the server after the locating information and identity information that characterize motor vehicle being encrypted.
Further, described car-mounted terminal comprises vehicle positioning trigger and mobile intelligent terminal; Described vehicle positioning trigger, is arranged on motor vehicle, for establishing a communications link with the mobile intelligent terminal on motor vehicle; Described mobile intelligent terminal, for receiving the identity information of vehicle positioning trigger, in real time location the identity information locating information characterizing motor vehicle being taken same vehicle positioning trigger upload onto the server;
Further, described vehicle positioning trigger utilizes vehicle-mounted cigarette lighter to power.
Further, the communication protocol between described vehicle positioning trigger and mobile intelligent terminal adopt in bluetooth, NFC, ZigBee, IrDA, WiFi and UWB any one.
Further, with the device code of vehicle positioning trigger to server application identity.
Further, described mobile intelligent terminal uploads onto the server after the locating information characterizing motor vehicle being taken the identity information encryption of same vehicle positioning trigger.
Further, described server also traffic information is fed back to mobile intelligent terminal or and be shown in webpage.
In general, the above technical scheme conceived by the present invention compared with prior art, because car-mounted terminal of the present invention and motor vehicle are bound, the data that car-mounted terminal gathers belong to motor vehicle location valid data completely, main based on the objective data such as vehicle location, speed, avoid the error that the complicated tediously long process such as analysis, conversion, integration and manual analysis from different system, different types of data judge, ensure that real-time and the accuracy of traffic information.Car-mounted terminal uploading data contains identity information, and server is easy to just to know which identity contribute to data.
For the onboard system being integrated with communication and positioning function, himself bear car-mounted terminal role, when motor vehicle is activated, the automatic location of onboard system and upload function are enabled immediately.Onboard system representative data contributor, has nothing to do, so can protect privacy of user with the owner of motor vehicle or user.
For the vehicle not having integrated communicaton or positioning function in onboard system, then vehicle-mounted location trigger is installed on motor vehicle, and utilize mobile intelligent terminal with the use of.Different mobile intelligent terminals can be same identity contribution data.Vehicle positioning trigger representative data contributor, have nothing to do with the owner of motor vehicle and mobile intelligent terminal or user, the locator data being sent to server does not comprise the identity information of mobile intelligent terminal user, so can protect privacy of user.But also by data encryption, the privacy of further more protection mobile intelligent terminal user.
Accompanying drawing explanation
Fig. 1 is the first embodiment structural representation of present system.
Fig. 2 is the second embodiment structural representation of present system.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.In addition, if below in described each embodiment of the present invention involved technical characteristic do not form conflict each other and just can mutually combine.
Fig. 1 provides the first embodiment of the present invention, and it comprises mobile intelligent terminal, vehicle positioning trigger and server.
Vehicle positioning trigger is arranged on motor vehicle, can carry out closely data communication with above-mentioned mobile terminal.Of the present inventionly closely refer to the spatial dimension in motor vehicle, can ensure that the mobile terminal connected with vehicle positioning trigger is necessarily in same motor vehicle thus.
Mobile intelligent terminal possesses real-time navigation capability, as GPS location or the Big Dipper location, by mobile communication network by data upload to server data.This kind equipment is mobile phone (mobile phone) normally, has the panel computer of mobile communication function, notebook, vehicle intelligent system, wearable electronic etc.Mobile communication network is the mobile communication technology and service thereof that are provided by mobile operator.
Collects also processes the vehicle position information and other data uploaded by a large number of users, by corresponding data processing, produces the Traffic Information inquired about for user.
Can be the device code that described vehicle positioning trigger arrangement is unique, user with described device code to server registration identity.When mobile terminal and vehicle positioning trigger establish a communications link, mobile terminal receives identity information from vehicle positioning trigger.The general available code name of identity represents, code name can numeral, letter, symbol and the combination between them, as long as unique.
The embedded short-range communication chip of described vehicle positioning trigger, it is a certain that the communication protocol between itself and mobile terminal can adopt in bluetooth, NFC, ZigBee, IrDA, WiFi and UWB.
Below with typical cellphone subscriber for preferred embodiment illustrates the course of work of native system.
The mobile phone of user needs corresponding application program (APP) is installed, after user runs this APP, whether the mobile phone of user can have vehicle positioning trigger near automatic detection, if this kind of device detected and establish a communications link, mobile phone A PP will start GPS finder and corresponding data (will namely be characterized the position of vehicle, the data such as speed) uploaded by mobile communication network, after a large number of users vehicle position data collects by data processing server, carry out necessary analyzing and processing, the car speed travelled on certain road can be obtained, the information such as traffic density, these status informations by form intuitively (as different colors, simulation animations etc. are added on the map of user's inquiry terminal) be supplied to user, also original (or process) data can be supplied to the user of demand.User uses mobile phone or apparatus such as computer log in and can inquire about the road automobile traffic behavior of respective regions after identity verification.
Mobile phone in use can be set to the acquiescence mobile phone of certain location trigger by user, confirm can connect and work without the need to user operation when then this mobile phone runs into this trigger, can to connect after other triggers then need user operation to confirm as mobile phone runs into and to work.
The GPS locator data that user mobile phone is uploaded also can be passed through encryption, and mobile operator cannot grasp the concrete locating information of user; GPS locator data sends to during data processing service business and does not comprise phone user information, and cellphone subscriber registers with the name of vehicle positioning trigger, therefore be the equal of anonymous login, therefore data processing service business only can decipher and obtain vehicle GPS locator data, do not grasp the personal user's identity and testing vehicle register that produce these data.The individual privacy safety of user can be ensured by such mode.
Above-mentioned vehicle location information is through quick collection and process, and can ensure the real-time of road automobile traffic behavior.
When user's carrying mobile phone leaves, vehicle or vehicle are flame-out makes vehicle positioning trigger lose power supply, and when mobile phone cannot detect vehicle positioning trigger, mobile phone A PP can quit work, and no longer produces and upload GPS locator data.
Locating information because of motor vehicle derives from the global location of mobile terminal (as GPS, the Big Dipper etc.) module, and mobile terminal is not always with motor vehicle, when user's walking or when using bicycle, locating information is now exactly engineering noise data concerning native system.The operation of native system directly filters out invalid data, and the user depended in a large amount of motor vehicle initiatively provides the locating information of motor vehicle, and accuracy is high, and real-time is good.
In the embodiment of the present invention, vehicle positioning trigger is a kind of device of embedded Bluetooth chip, obtains power supply by the cigar lighter of vehicle.After power supply is connected, this device comprises the signal of " request connects mobile terminal " and " this device identity information " by constantly launching, if any the mobile phone installing corresponding APP close to this device and successful connection, then the locating information of this mobile phone uploaded by mobile phone by mobile communication network, i.e. the locating information of vehicle.As mobile phone have left vehicle, then the Bluetooth signal that this device sends cannot be detected, stopping is uploaded related data and is entered dormant state until flop signal detected next time by APP.Because the vehicle-mounted cigarette lighter distinctive facility that is motor vehicle, so can determine that the locator data that mobile phone provides is vehicle " effectively " data.
Native system needs a large number of users initiatively to provide the locating information of its motor vehicle, and the principle that for protection user provides the enthusiasm of data, native system is carried out " right and duty is reciprocity "---namely user enjoys corresponding service according to its data provided.Realize this point, the identification of user identity must be realized.User, after obtaining one " vehicle positioning trigger ", can apply for one " user number ", and this " user number " is corresponding with " vehicle positioning trigger " and unique.After mobile phone and " the vehicle positioning trigger " of user meets and establish a communications link, contain the identity information of this " vehicle positioning trigger " in the data that mobile phone is uploaded, then system can judge which " user number " is these data come from.Positioning data of vehicles in native system and " vehicle positioning trigger " are bound, instead of bind with mobile phone or vehicle.One " vehicle positioning trigger " from different mobile phone cooperatings, also can be used on different motor vehicles.User can inquire about real-time road traffic situation after signing in system server by its " user number ".
The operator of native system also can cooperate with automaker, installs orientation triggering function in advance when vehicle release.User's application " user number " also can realize function noted earlier after the corresponding application program of installation and operation on mobile phone.
Fig. 2 gives the second embodiment of the present invention.If integrated mobile communication in onboard system, vehicle location function, car-mounted terminal adopts onboard system to realize.User is can use native system after onboard system device code application one " user number ".When system will be run automatically after startup vehicle, upload this positioning data of vehicles and onboard system identity information, and Traffic Information data can be obtained be shown on the map interface of this car or other inquiry terminals of user.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a road real-time automobile traffic road condition acquiring system, is characterized in that, comprising:
Possess the car-mounted terminal of location and communication function, for real-time location, and the identity information that the locating information characterizing motor vehicle is taken with oneself is uploaded onto the server;
Server, for obtaining traffic information to the process of motor vehicle locating information, knows the source of motor vehicle locating information according to identity information.
2. road according to claim 1 real-time automobile traffic road condition acquiring system, is characterized in that, described car-mounted terminal is the onboard system possessing communication and positioning function.
3. road according to claim 2 real-time automobile traffic road condition acquiring system, is characterized in that, with the device code of onboard system to server application identity.
4. the real-time automobile traffic road condition acquiring of the road according to Claims 2 or 3 system, is characterized in that, described onboard system uploads onto the server after the locating information and identity information that characterize motor vehicle being encrypted.
5. road according to claim 1 real-time automobile traffic road condition acquiring system, is characterized in that,
Described car-mounted terminal comprises vehicle positioning trigger and mobile intelligent terminal;
Described vehicle positioning trigger, is arranged on motor vehicle, for establishing a communications link with the mobile intelligent terminal on motor vehicle;
Described mobile intelligent terminal, for receiving the identity information of vehicle positioning trigger, in real time location the identity information locating information characterizing motor vehicle being taken same vehicle positioning trigger upload onto the server.
6. road according to claim 5 real-time automobile traffic road condition acquiring system, is characterized in that, described vehicle positioning trigger utilizes vehicle-mounted cigarette lighter to power.
7. the real-time automobile traffic road condition acquiring of the road according to claim 5 or 6 system, it is characterized in that, the communication protocol between described vehicle positioning trigger and mobile intelligent terminal adopt in bluetooth, NFC, ZigBee, IrDA, WiFi and UWB any one.
8. the real-time automobile traffic road condition acquiring of the road according to claim 5 or 6 system, is characterized in that, with the device code of vehicle positioning trigger to server application identity.
9. the real-time automobile traffic road condition acquiring of the road according to claim 5 or 6 system, is characterized in that, described mobile intelligent terminal uploads onto the server after the locating information characterizing motor vehicle being taken the identity information encryption of same vehicle positioning trigger.
10. the road real-time automobile traffic road condition acquiring system according to claim 1 or 2 or 3 or 5 or 6, is characterized in that, described server also traffic information is fed back to mobile intelligent terminal or and be shown in webpage.
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| CN201510348657.1A CN105046955B (en) | 2015-06-23 | 2015-06-23 | A kind of acquisition system of the real-time automobile traffic road conditions of road |
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| CN201510348657.1A CN105046955B (en) | 2015-06-23 | 2015-06-23 | A kind of acquisition system of the real-time automobile traffic road conditions of road |
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| CN109255260A (en) * | 2018-11-06 | 2019-01-22 | 中国安全防伪证件研制中心 | A kind of police security terminal of Beidou |
| CN110956805A (en) * | 2019-11-29 | 2020-04-03 | 广东新时空科技股份有限公司 | Traffic real-time data acquisition and detection system |
| CN111355787A (en) * | 2020-02-20 | 2020-06-30 | 北京汽车集团有限公司 | Information transmission method and device and electronic equipment |
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| CN105046955B (en) | 2018-08-31 |
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