CN102542804A - Method for monitoring running state of vehicle, roadside beacon and intelligent traffic monitoring system - Google Patents
Method for monitoring running state of vehicle, roadside beacon and intelligent traffic monitoring system Download PDFInfo
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Abstract
The invention provides a method for monitoring the running state of a vehicle, a roadside beacon and an intelligent traffic system. The method comprises the following steps of: receiving vehicle position information transmitted by a vehicle by a roadside beacon, wherein the vehicle position information comprises the distance of the vehicle relative to the roadside beacon and the direction of a vehicle head of the vehicle; and determining the running state of the vehicle according to the distance of the vehicle relative to the roadside beacon, the direction of the vehicle head of the vehicle and the preset geographical position information of a site in which the roadside beacon is arranged, wherein the direction of the vehicle head of the vehicle is obtained according to a signal transmitted by the roadside beacon, which is received by an intelligent plane antenna array fixedly installed on a vehicular terminal. According to the technical scheme provided by the invention, the position information of the vehicle can be obtained in real time by the vehicular terminal, and the position information can also be transmitted to the roadside beacon in real time or periodically, so that the running state of the vehicle can be accurately obtained in time by the roadside beacon so as to realize the real-time monitoring of the vehicle.
Description
Technical field
The present invention relates to intelligent transport technology, relate in particular to a kind of vehicle running state method for supervising, trackside beacon and intelligent traffic monitoring system.
Background technology
Progress and development along with traffic technique; Intelligent transportation has become the important development direction of traffic technique, wherein, is the key that realizes intelligent transportation to the real-time monitoring of vehicle; Therefore, how in time, exactly the transport condition that obtains vehicle is the key that realizes intelligent transportation.
At present, vehicle is positioned normally adopt GPS (Global PositioningSystem GPS) realizes, can obtain the geographical location information of vehicle in real time through the GPS positioning system; Simultaneously; Because defectives such as the coverage distance of junction service, RFID technology is short, radio-frequency radiation is big; Can't be widely used in the monitoring communications of vehicle, therefore, at present communicating by letter between vehicle and the supervisory network then mainly relies on personal mobile communication system and internet to realize.Yet; In the existing traffic monitoring location, when obtaining vehicle position information through GPS, tediously long latitude and longitude information; Cause the trackside beacon to be difficult in real time or periodically obtain the positional information of a large amount of vehicles; And the geographical location information that only obtains vehicle obviously can not satisfy the needs of intelligent transportation, therefore in the intelligent transportation, utilizes existing GPS positioning system to come the geographic position of positioned vehicle can't satisfy the needs that vehicle is monitored in real time.
To sum up; Existing gps system and the PCS Personal Communications System of adopting realized in the vehicle running state monitoring; Can't satisfy the needs of urban transportation, freeway traffic; Particularly, can't effectively monitor, vehicle is monitored in real time and will be become difficult to achieve vehicle to the monitoring of highway section complex region vehicle running state.
Summary of the invention
The present invention provides a kind of vehicle running state method for supervising, trackside beacon and intelligent traffic monitoring system, can effectively overcome the problem that the existing GPS of employing location and PCS Personal Communications System can't effectively be monitored vehicle in real time.
The present invention provides a kind of vehicle ' acquisition methods; Be used for obtaining the transport condition of road vehicle; Wherein, each highway section of said road is provided with the trackside beacon, the said road of said trackside beacon sighting distance wireless coverage; Be installed with the intelligent plane aerial array on the car-mounted terminal of said vehicle, said method comprises:
Said trackside beacon receives the vehicle position information that car-mounted terminal is real-time or the cycle sends on the said vehicle, and said vehicle position information comprises that the distance of the relative trackside beacon of vehicle and the headstock of vehicle point to;
According to said vehicle in real time or the distance of the relative trackside beacon of said vehicle that sends of cycle and the headstock sensing of vehicle; And the geographical location information in the highway section of the trackside beacon institute sighting distance covering of presetting; Confirm the transport condition of said vehicle, said transport condition comprises vehicle heading and travel speed;
Wherein, the headstock of said vehicle is oriented to the pilot signal detection that said trackside beacon that said car-mounted terminal receives according to hard-wired intelligent plane aerial array on it sends and obtains.
The present invention provides a kind of trackside beacon, comprising:
Be used for obtaining the transport condition of road vehicle; Wherein, each highway section of said road is provided with said trackside beacon, the said road of said trackside beacon sighting distance wireless coverage; Be installed with the intelligent plane aerial array on the car-mounted terminal of said vehicle, said trackside beacon comprises:
The vehicle position information receiver module is used to receive the vehicle position information that car-mounted terminal is real-time or the cycle sends on the vehicle, and said vehicle position information comprises that the distance of the relative trackside beacon of vehicle and the headstock of vehicle point to;
The vehicle running state determination module; Being used for the distance of or relative trackside beacon that cycle send real-time according to said vehicle and the headstock of vehicle points to; And the geographical location information in the highway section of the trackside beacon institute sighting distance covering of presetting; Confirm the transport condition of said vehicle, said transport condition comprises vehicle heading and travel speed;
Wherein, the headstock of said vehicle is oriented to the pilot signal detection that said trackside beacon that said car-mounted terminal receives according to hard-wired intelligent plane aerial array on it sends and obtains.
The present invention provides a kind of car-mounted terminal, is installed on the vehicle, and said car-mounted terminal is provided with the intelligent plane aerial array, comprising:
The direction acquiring unit is used for detecting through the beam direction of said intelligent plane aerial array to the pilot signal of trackside beacon transmission, and the headstock that obtains said vehicle points to;
Distance acquiring unit is used to receive the Navsat longitude and latitude locating information that said trackside beacon sends, and the Navsat longitude and latitude locating information of said car-mounted terminal self, obtains the distance of the said relatively trackside beacon of said vehicle;
The geographical location information transmitting element is used in real time or the cycle is sent to said trackside beacon with the positional information of said vehicle, and the positional information of said vehicle comprises the distance of the said relatively trackside beacon of vehicle and the headstock sensing of vehicle.
The present invention provides a kind of intelligent traffic monitoring system, comprising: be arranged on the trackside beacon on each highway section of road;
The trackside beacon of said trackside beacon for adopting the invention described above to provide is used for the transport condition of vehicle that the car-mounted terminal that the invention described above provides is installed is monitored.
Vehicle running state method for supervising provided by the invention, trackside beacon and intelligent traffic monitoring system, on the car-mounted terminal through the intelligent plane aerial array is set, make vehicle can with trackside beacon real-time Communication for Power; The geographical location information and the vehicle headstock that obtain vehicle in real time point to, and can the positional information and the headstock sensing of vehicle be sent to the trackside beacon in real time, make the trackside beacon to point to according to the positional information and the headstock of vehicle; Confirm the transport condition of vehicle, realize real-time monitoring, in the technical scheme of the present invention vehicle; Real-time Communication for Power between trackside beacon and the vehicle; Bearing accuracy is high, and data are little, can satisfy the trackside beacon a large amount of car-mounted terminals are monitored; Have stronger real-time and reliability, can effectively monitor in real time the vehicle during in the intelligent transportation go in various highway sections.
Description of drawings
The scene synoptic diagram that Fig. 1 detects vehicle running state for trackside beacon in the embodiment of the invention;
The structural representation of the car-mounted terminal that Fig. 2 provides for the embodiment of the invention one;
The structural representation of the trackside beacon that Fig. 3 provides for the embodiment of the invention two;
The schematic flow sheet of the vehicle running state method for supervising that Fig. 4 provides for the embodiment of the invention three.
Embodiment
Understand for ease of technical scheme of the present invention being had better, at first the application scenarios of present embodiment vehicle running state method for supervising is described below.
The scene synoptic diagram that Fig. 1 detects vehicle running state for trackside beacon in the embodiment of the invention.As shown in Figure 1, the highway section A1 in the traffic route, highway section A2 are respectively arranged with trackside beacon B1 and trackside beacon B2, and wherein, but the whole highway section A1 of signal sighting distance wireless coverage of trackside beacon B1 emission can carry out radio communication with the vehicle that in the A1 of highway section, goes; But the signal sighting distance of trackside beacon B2 emission covers whole highway section A2, can carry out radio communication with the vehicle C that goes in the A2 of highway section, and the trackside beacon all has the geographical location information in location, place.In the road shown in Figure 1, highway section A1 and highway section A2 are right-angled intersection; Trackside beacon B1 and trackside beacon B2 can communicate the vehicle that goes in highway section separately; Transport condition with real-time monitoring car two; Each trackside beacon can be monitored the vehicle that gets into own highway section; The highway section that covers of trackside beacon institute sighting distance wherein, i.e. the highway section of predeterminable its management in the geography information in location, trackside beacon place, and the vehicle in the highway section monitored in real time.
In the present embodiment, but the highway section at its place of trackside beacon sighting distance wireless coverage forms the banded communication cell that covers, and stores the geographical location information in this highway section, thereby can monitor in real time the vehicle that goes in its highway section, place; The car-mounted terminal of vehicle is provided with the intelligent plane antenna, can be in real time and the trackside beacon communicate.Wherein, described sighting distance wireless coverage highway section is meant that the trackside beacon can carry out horizon communication with the vehicle that goes on the highway section, does not have isolation such as other buildingss between vehicle and the trackside beacon.
To combine instantiation that technical scheme of the present invention is done further explanation below.
The structural representation of the car-mounted terminal that Fig. 2 provides for the embodiment of the invention one.The present embodiment car-mounted terminal is installed in and goes in the vehicle of scene as shown in Figure 1; This car-mounted terminal is provided with the intelligent plane aerial array; Make the trackside beacon of road side setting to communicate by letter with car-mounted terminal in real time, obtain the transport condition of vehicle, particularly; As shown in Figure 2, the present embodiment car-mounted terminal can comprise:
Geographical location information transmitting element 13 is used in real time or the cycle is sent to the trackside beacon with the positional information of vehicle, and the positional information of this vehicle comprises the distance of the relative trackside beacon of vehicle and the headstock sensing of vehicle.
The present embodiment car-mounted terminal is provided with the intelligent plane aerial array; Vehicle ' is on road like this; During highway section A1 for example shown in Figure 1, just can receive the pilot signal that B1 sends, the direction acquiring unit 11 in the car-mounted terminal just can detect through the beam direction of detection intelligent plane aerial array to pilot signal; Obtain the angle of the relative trackside beacon of vehicle, and then the headstock of definite vehicle points to.Particularly; The intelligent plane aerial array adopts planar array antenna in the present embodiment; The trackside beacon can be in real time to the highway section that its sighting distance covers, and promptly the trackside beacon belongs to the highway section pilot signal transmitted, and vehicle just can be through the phase place of the pilot signal of each antenna element reception in the planar array antenna on it, the difference of energy like this; Form beam pattern; Calculate the angle of the relative trackside beacon of vehicle downgoing signal radiation direction, obtain the direction of the relative trackside beacon of intelligent plane aerial array, and then the headstock of definite vehicle points to.It will be appreciated by those skilled in the art that; Because the direction of the relative vehicle headstock of installing on the car-mounted terminal of intelligent plane aerial array is known; As long as obtain the direction of the relative trackside beacon of intelligent plane aerial array, just can confirm the direction of the headstock of vehicle, i.e. the sensing of headstock.
In the present embodiment; The trackside beacon can be broadcasted the Navsat longitude and latitude locating information of self in real time; Like this; Distance acquiring unit 12 on the car-mounted terminal just can be according to the Navsat longitude and latitude locating information of the trackside beacon that receives, and the Navsat longitude and latitude locating information of self, confirms the distance of the relative trackside beacon of vehicle.It will be appreciated by those skilled in the art that; The Navsat longitude and latitude locating information of trackside beacon specifically can be the GPS locating information; Can obtain by the GPS receiver that is arranged on the trackside beacon; The Navsat longitude and latitude locating information of vehicle termination can be obtained by the GPS receiver that is arranged on the car-mounted terminal, and wherein Navsat longitude and latitude locating information specifically is a latitude and longitude information.
In the present embodiment; Car-mounted terminal on the vehicle is according to the Navsat longitude and latitude locating information of the trackside beacon that receives in real time, and the locating information of self just can obtain the distance of its relative trackside beacon, thereby can directly this range information be sent to the trackside beacon; Make that the quantity of information that sends to the trackside beacon will be very little; Be convenient to the trackside beacon and receive and handle vehicle transmission information, be convenient to of the real-time monitoring of trackside beacon, improve the accuracy and the reliability of monitoring a large amount of vehicles on the highway section.
In the present embodiment; As shown in Figure 2, this car-mounted terminal also can comprise: safe antitheft module 14 and antitheft notification module 15, wherein; When safe antitheft module 14 is used for vehicle parking; Close the communications transmit module of car-mounted terminal, and the signal that receives through the intelligent plane aerial array is detected, confirm that the varying strength of the different directions of pilot signal in each antenna array unit that the trackside beacon sends changes through the communications reception module of car-mounted terminal; Confirm the environmental change of vehicle periphery, to judge whether safety of vehicle; Antitheft notification module 15 is used to judge when vehicle is dangerous, opens the communications transmit module of car-mounted terminal, sends vehicle unsafe conditions change notification to the trackside beacon, behind the wireless receiving signal stabilization, and communication close transmitter module again.Because the trackside beacon is in real time to its place highway section broadcast pilot, then during vehicle parking, when the theft personnel steal vehicle; Vehicle-periphery will change; The pilot signal that the trackside beacon is sent exerts an influence, therefore, and through setting and detect the intensity of variation of pilot signal energy on all directions that the intelligent plane aerial array receives; Just can change by perception vehicle-surroundings environment, confirm whether safety of vehicle.In the present embodiment; Car-mounted terminal can carry out through communications transmit module on it and communications reception module, when vehicle parking when carrying out radio communication with the trackside beacon; But communication close transmitter module; Only need the open communication receiver module to confirm whether vehicle is stolen through the signal that detects the transmission of trackside beacon, thus the power consumption that can save car-mounted terminal, wherein; Communications transmit module and communications reception module and tradition transmit and receive module and can have identical 26S Proteasome Structure and Function through what smart antenna was communicated by letter, and concrete structure repeats no more at this.
In the present embodiment; After the distance of the relative trackside beacon of car-mounted terminal acquisition vehicle on the vehicle and the headstock of vehicle point to; Just can be with these information package; Geographical location information with vehicle sends to the trackside beacon, and the trackside beacon just can be confirmed the position of the relative trackside beacon of vehicle according to the geographical location information of vehicle; Simultaneously,, just can accurately judge the transport condition of vehicle according to the position of vehicle at last relative trackside beacon of a period, promptly vehicle whether under steam, and travel direction and travel speed etc.; Simultaneously; Because can obtaining the geographic position and the headstock of vehicle, the trackside beacon points to; In vehicle monitoring, can confirm the travel situations of vehicle in real time like this, for example can point to according to headstock in its highway section, place; Judge that whether vehicle can not corner turning round etc., make the state of vehicle in the highway section judgement more accurately, reliable.For the geographical location information that tradition is only known vehicle, the judgement meeting of vehicle running state is more accurate, also can adapt to the judgement under the situation such as vehicle turns round in road simultaneously, improves the accuracy and the reliability of vehicle monitoring; In addition, because vehicle can send to the geographical location information of self the trackside beacon, and quantity of information is less, can satisfy the trackside beacon the real-time monitoring of a large amount of vehicles is handled, and has stronger practicality, is convenient to use in the vehicle monitoring of the intensive occasions of traffic such as city.
The structural representation of the trackside beacon that Fig. 3 provides for the embodiment of the invention two.Present embodiment trackside beacon can be used as trackside beacon A1 as shown in Figure 1 and trackside beacon A2, so that the vehicle that goes on road is monitored in real time, obtains the transport condition of vehicle, and is as shown in Figure 3 particularly, and present embodiment trackside beacon can comprise:
Vehicle position information receiver module 21 is used to receive the vehicle position information that car-mounted terminal is real-time or the cycle sends on the vehicle, and this vehicle position information comprises that the distance of the relative trackside beacon of vehicle and the headstock of vehicle point to;
Vehicle running state determination module 22 is used for the distance of or relative trackside beacon that cycle send real-time according to vehicle and the headstock of vehicle and points to, and the geographical location information in the highway section of trackside beacon institute sighting distance covering, confirms the transport condition of vehicle;
Wherein, the headstock of vehicle is oriented to the pilot signal detection that trackside beacon that car-mounted terminal receives according to hard-wired intelligent plane aerial array on it sends and obtains.
In the present embodiment; The trackside beacon can communicate with the vehicle that above-mentioned car-mounted terminal shown in Figure 2 is installed; Obtain the vehicle position information that car-mounted terminal is real-time or the cycle sends on the vehicle; And can be according to the geographical location information in this location the position of relative trackside beacon with car-mounted terminal, confirm the transport condition of vehicle.Wherein, vehicle can be in real time or the geographical location information of the vehicle that periodically detection obtained send to the trackside beacon, make the trackside beacon to confirm the transport condition of vehicle according to each geographical location information constantly of vehicle, realize monitoring to vehicle.
In the present embodiment; As shown in Figure 3; The trackside beacon also can comprise: locating information broadcast module 26; Be used for Navsat longitude and latitude locating information, so that car-mounted terminal obtains the distance of the relative trackside beacon of vehicle according to the Navsat longitude and latitude locating information of the Navsat longitude and latitude locating information of trackside beacon and car-mounted terminal self to the highway section broadcasting trackside beacon that trackside beacon institute sighting distance covers.And pilot signal transmission module 27, be used for the highway section pilot signal transmitted that the trackside beacon covers to its sighting distance, so that car-mounted terminal detects through the planar array antenna installed it the on beam direction to said pilot signal, confirm the headstock sensing of vehicle.
In the present embodiment, the trackside beacon can comprise the geographic position that its communication covers the location, when the trackside beacon obtains the position of the relative trackside beacon of vehicle; Just can confirm the position of this vehicle in this location; According to the vehicle-mounted position that obtains of detecting when going, just can confirm the driving trace of vehicle, thereby can determine the transport condition of vehicle in whole location in this location; Particularly, can comprise vehicle heading, position, speed etc.
Present embodiment trackside beacon can be arranged in each highway section of road as shown in Figure 1; And the geographic position of storing the geographical location information and the adjacent trackside beacon in each highway section, thereby make the trackside beacon to determine the position of vehicle according to the geographic position of storage and the geographic position of the vehicle that receives in the highway section; Simultaneously; Can the transport condition of vehicle be can determine according to the change in location of vehicle, travel direction, the speed of a motor vehicle etc. comprised at different time.
In the present embodiment, as shown in Figure 3, for ease of vehicle travel situations in each highway section in road is monitored; When vehicle when highway section, trackside beacon place gets into adjacent highway section, in time notify adjacent trackside beacon that vehicle is monitored, present embodiment trackside beacon also can comprise notification module 23; This notification module 23 can be used for the geographic position according to the adjacent trackside beacon of storage; And the transport condition of vehicle, confirm whether vehicle closes on adjacent trackside beacon to communicate the switching of sub-district, be then to notify adjacent trackside beacon with the transport condition of vehicle; Vehicle is switched to adjacent trackside beacon; So that by the transport condition of adjacent trackside beacon monitoring vehicle, wherein, the trackside beacon stores the geographic position of adjacent trackside beacon.
It will be appreciated by those skilled in the art that; Above-mentioned communication cell switches; Be meant vehicle when will or go in adjacent highway section, trackside beacon place, current trackside beacon can no longer be monitored vehicle, monitors but it is handed to this adjacent trackside beacon; The adjacent trackside beacon of vehicle and this is communicated by letter, vehicle running state is monitored by adjacent trackside beacon.
In the present embodiment; Above-mentioned notification module 23 specifically can be according to the geographic position of the adjacent trackside beacon of storing; And the distance of the said relatively trackside beacon of vehicle and vehicle headstock sensing; Confirming whether vehicle is getting into location, adjacent trackside beacon place, is then to notify adjacent trackside beacon with the transport condition of vehicle.Wait under the situation at the parting of the ways; Through obtaining the headstock direction of vehicle; And can confirm whether vehicle will turn round according to the sensing of headstock direction and get into the location of adjacent crossroad, thereby can accurately obtain the location that vehicle will get into, so that the trackside beacon of notifying it to get into the transport condition information of vehicle; Vehicle is monitored accuracy and reliability in the time of effectively to improve the trackside beacon and switch by its trackside beacon that will get in the sub-district.
Can find out, through notification module 23 is set, can be when vehicle ' gets into other highway sections; In time carrying out the highway section switches; So that the trackside beacon by on the adjacent highway section is monitored it, wherein, the trackside beacon in adjacent highway section has and present embodiment trackside beacon identical functions.
In addition; As shown in Figure 3, present embodiment trackside beacon also can include judge module 24 violating the regulations and notification module 25 violating the regulations, makes the trackside beacon to confirm whether vehicle ' is violating the regulations according to the transport condition of vehicle and the headstock sensing of vehicle; And timely driver; Particularly, judge module 24 violating the regulations can be used for pointing to according to the headstock of the transport condition of vehicle and vehicle, confirms whether said vehicle is violating the regulations; When notification module 25 violating the regulations can be used for confirming vehicle peccancy, notice vehicle or Surveillance center.
Particularly, the trackside beacon can be according to the geographic position in highway section of storage, and the concrete condition of road in the geographic position; Double amber lines highway section etc. for example; So that point to according to vehicle running state and headstock, confirm whether vehicle reverses end for end to go in the double amber lines highway section, be then to confirm vehicle peccancy; Can in time notify near Surveillance center, and notify the traffic police to handle.Perhaps, when detecting vehicle when non-parking area stops for a long time, also can in time send warning information, so that the driver in time drives away car to vehicle.Because can obtaining the headstock of vehicle in real time, the trackside beacon points to; Thereby can point to according to the headstock of vehicle and judge that accurately whether vehicle information such as is turning round; Thereby can monitor the travel situations of corner vehicle, so that vehicle when illegal turning round occurring, sends warning information to vehicle.
The schematic flow sheet of the vehicle running state method for supervising that Fig. 4 provides for the embodiment of the invention three.The present embodiment acquisition methods is applicable to above-mentioned trackside beacon shown in Figure 3, and as shown in Figure 4 particularly so that the vehicle that goes in the road is monitored, the present embodiment acquisition methods can comprise the steps:
Wherein, the headstock of vehicle is oriented to the pilot signal detection that trackside beacon that car-mounted terminal receives according to hard-wired intelligent plane aerial array on it sends and obtains.
Present embodiment vehicle running state method for supervising is applicable to road environment as shown in Figure 1; Wherein the trackside beacon of highway section side setting can be through obtaining the vehicle position information of the vehicle transmission that vehicle termination as shown in Figure 2 is installed in real time; Confirm the transport condition of vehicle, so that vehicle is monitored.
In the present embodiment; The trackside beacon can be to the Navsat longitude and latitude locating information of the highway section broadcasting trackside beacon that its sighting distance covers, so that car-mounted terminal obtains the distance of the relative trackside beacon of vehicle according to the Navsat longitude and latitude locating information of the Navsat longitude and latitude locating information of trackside beacon and car-mounted terminal self.Its concrete realization can be repeated no more at this referring to the explanation in the invention described above embodiment car-mounted terminal and the trackside beacon.
In the present embodiment; The trackside beacon can be to the highway section pilot signal transmitted of its sighting distance covering; So that car-mounted terminal detects through the intelligent plane array antenna installed on it beam direction to said pilot signal, confirm that vehicle points to respect to the headstock of pilot signal incident direction.Its concrete realization can be repeated no more at this referring to the explanation in the invention described above embodiment car-mounted terminal and the trackside beacon.
In the present embodiment; The trackside beacon can be according to the geographic position of adjacent trackside beacon of storage, and the transport condition of vehicle, confirms whether vehicle closes on adjacent trackside beacon to communicate the switching of sub-district; Be then to notify adjacent trackside beacon with the transport condition of vehicle; Vehicle is switched to adjacent trackside beacon, so that monitor the transport condition of said vehicle by adjacent trackside beacon, the trackside beacon stores the geographic position of adjacent trackside beacon.Its concrete realization can be repeated no more at this referring to the explanation in the invention described above embodiment car-mounted terminal and the trackside beacon.
In the present embodiment, in the geographical location information that car-mounted terminal sends, the distance of the relative trackside beacon of vehicle except above-mentioned location technology via satellite obtains, also can be obtained through wireless phase demodulation distance-finding technology for detection by vehicle and trackside beacon, does not limit at this.
In the present embodiment, for ease of vehicle is monitored at each highway section travel situations, the trackside beacon also stores the geographical location information of the adjacent trackside beacon in its adjacent highway section that belongs to the highway section; Like this; The trackside beacon can be according to the geographic position of adjacent trackside beacon of storage, and the distance of the said relatively trackside beacon of vehicle, confirms whether vehicle closes on adjacent trackside beacon; Be then to notify adjacent trackside beacon with the transport condition of vehicle; So that monitor the transport condition of said vehicle by adjacent trackside beacon, wherein, the trackside beacon stores the geographic position of adjacent trackside beacon.Like this, can in road, realize real-time monitoring in each highway section, to satisfy the intelligent transportation needs to vehicle.
Whether in the present embodiment, the trackside beacon also can point to according to the headstock of vehicle running state and vehicle, violating the regulations to confirm vehicle, and particularly, the trackside beacon can confirm whether vehicle is violating the regulations according to the transport condition of vehicle, is then to notify said vehicle or Surveillance center.Particularly, according to the transport condition and the headstock sensing of vehicle, confirm whether vehicle breaks rules and regulations to comprise: according to the transport condition of vehicle; Judging whether vehicle is positioned at the non-parking lot in location, trackside beacon place for a long time, is vehicle peccancy then, and; Transport condition and headstock according to vehicle point to; Judging that the vehicle double amber lines highway section whether the location acceptance of the bid is known at trackside beacon place turns around to go, is vehicle peccancy then, and according to the transport condition of said vehicle; Judging whether said vehicle drives over the speed limit, is then violating the regulations.In addition, can be according to concrete break in traffic rules and regulations behavior, according to the transport condition of vehicle, for example direction, speed wait and judge whether vehicle is violating the regulations.
In addition; The embodiment of the invention also provides a kind of intelligent transportation system, can comprise above-mentioned trackside beacon shown in Figure 3, and this trackside beacon can be monitored the vehicle that car-mounted terminal as shown in Figure 2 is installed in real time; Its concrete realization can be repeated no more at this referring to the explanation of the invention described above embodiment.
What should explain at last is: above each embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although the present invention has been carried out detailed explanation with reference to aforementioned each embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, perhaps to wherein part or all technical characteristic are equal to replacement; And these are revised or replacement, do not make the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (15)
1. vehicle running state method for supervising; Be used for obtaining the transport condition of road vehicle, wherein, each highway section of said road is provided with the trackside beacon; The said road of said trackside beacon sighting distance wireless coverage; Be installed with the intelligent plane aerial array on the car-mounted terminal of said vehicle, it is characterized in that, said method comprises:
Said trackside beacon receives the vehicle position information that car-mounted terminal is real-time or the cycle sends on the said vehicle, and said vehicle position information comprises that the distance of the relative trackside beacon of vehicle and the headstock of vehicle point to;
According to said vehicle in real time or the distance of the relative trackside beacon of said vehicle that sends of cycle and the headstock sensing of vehicle; And the geographical location information in the highway section of the trackside beacon institute sighting distance covering of presetting; Confirm the transport condition of said vehicle, said transport condition comprises vehicle heading and travel speed;
Wherein, the headstock of said vehicle is oriented to the pilot signal detection that said trackside beacon that said car-mounted terminal receives according to hard-wired intelligent plane aerial array on it sends and obtains.
2. vehicle running state method for supervising according to claim 1 is characterized in that, also comprises:
Said trackside beacon is to the Navsat longitude and latitude locating information of the highway section broadcasting trackside beacon that its sighting distance covers, so that said car-mounted terminal obtains the distance of the relative trackside beacon of said vehicle according to the Navsat longitude and latitude locating information of the Navsat longitude and latitude locating information of said trackside beacon and said car-mounted terminal self.
3. vehicle running state method for supervising according to claim 1 is characterized in that, also comprises:
The highway section pilot signal transmitted that said trackside beacon covers to its sighting distance; So that said car-mounted terminal detects through the intelligent plane array antenna installed on it beam direction to said pilot signal, confirm that said vehicle points to respect to the headstock of pilot signal incident direction.
4. vehicle running state method for supervising according to claim 1 is characterized in that, also comprises:
Geographic position according to the adjacent trackside beacon of storing; And the transport condition of said vehicle; Confirm whether said vehicle closes on adjacent trackside beacon to communicate the switching of sub-district; Be then to notify said adjacent trackside beacon, said vehicle is switched to adjacent trackside beacon, so that monitor the transport condition of said vehicle by said adjacent trackside beacon the transport condition of said vehicle;
Wherein, said trackside beacon stores the geographic position of adjacent trackside beacon.
5. vehicle running state method for supervising according to claim 1 is characterized in that, also comprises:
According to the transport condition of said vehicle, and the sensing of the headstock of said vehicle, confirm whether said vehicle is violating the regulations, be then to notify said vehicle or Surveillance center.
6. vehicle running state method for supervising according to claim 5 is characterized in that, said transport condition and the headstock of said vehicle according to said vehicle points to, and confirms said vehicle violating the regulations comprising whether:
According to the transport condition of said vehicle, judge whether said vehicle is positioned at the non-parking lot in location, said trackside beacon place for a long time, be then said vehicle peccancy;
Perhaps, according to the headstock sensing of said vehicle, judging whether said vehicle turns around to go in the double amber lines highway section of location, said trackside beacon place acceptance of the bid knowledge, is then said vehicle peccancy;
Perhaps, according to the transport condition of said vehicle, judging whether said vehicle drives over the speed limit, is then violating the regulations.
7. vehicle running state method for supervising according to claim 1 is characterized in that, also comprises:
With the transport condition of the said vehicle that obtains, other vehicles that notice is contiguous are with the generation of prevention traffic hazard.
8. trackside beacon; Be used for obtaining the transport condition of road vehicle, wherein, each highway section of said road is provided with said trackside beacon; The said road of said trackside beacon sighting distance wireless coverage; Be installed with the intelligent plane aerial array on the car-mounted terminal of said vehicle, it is characterized in that, said trackside beacon comprises:
The vehicle position information receiver module is used to receive the vehicle position information that car-mounted terminal is real-time or the cycle sends on the vehicle, and said vehicle position information comprises that the distance of the relative trackside beacon of vehicle and the headstock of vehicle point to;
The vehicle running state determination module; Being used for the distance of or relative trackside beacon that cycle send real-time according to said vehicle and the headstock of vehicle points to; And the geographical location information in the highway section of the trackside beacon institute sighting distance covering of presetting; Confirm the transport condition of said vehicle, said transport condition comprises vehicle heading and travel speed;
Wherein, the headstock of said vehicle is oriented to the pilot signal detection that said trackside beacon that said car-mounted terminal receives according to hard-wired intelligent plane aerial array on it sends and obtains.
9. trackside beacon according to claim 8 is characterized in that, also comprises:
Notification module; Be used for geographic position according to the adjacent trackside beacon of storage; And the transport condition of said vehicle, confirm whether said vehicle closes on adjacent trackside beacon to communicate the switching of sub-district, is then to notify said adjacent trackside beacon with the transport condition of said vehicle; Said vehicle is switched to adjacent trackside beacon, so that monitor the transport condition of said vehicle by said adjacent trackside beacon;
Wherein, said trackside beacon stores the geographic position of adjacent trackside beacon.
10. trackside beacon according to claim 8 is characterized in that, also comprises:
Judge module violating the regulations is used for the transport condition according to said vehicle, and the sensing of the headstock of said vehicle, confirms whether said vehicle is violating the regulations;
Notification module violating the regulations when being used for confirming said vehicle peccancy, is notified said vehicle or Surveillance center.
11. trackside beacon according to claim 8 is characterized in that, also comprises:
The locating information broadcast module; Be used for Navsat longitude and latitude locating information, so that said car-mounted terminal obtains the distance of the relative trackside beacon of said vehicle according to the Navsat longitude and latitude locating information of the Navsat longitude and latitude locating information of said trackside beacon and said car-mounted terminal self to the highway section broadcasting trackside beacon that said trackside beacon institute sighting distance covers.
12. trackside beacon according to claim 8 is characterized in that, also comprises:
The pilot signal transmission module; Be used for the highway section pilot signal transmitted that said trackside beacon covers to its sighting distance; So that said car-mounted terminal detects through the planar array antenna installed on it beam direction to said pilot signal, confirm the direction of the said relatively trackside beacon of said vehicle.
13. a car-mounted terminal is installed on the vehicle, it is characterized in that, said car-mounted terminal is provided with the intelligent plane aerial array, comprising:
The direction acquiring unit is used for detecting through the beam direction of said intelligent plane aerial array to the pilot signal of trackside beacon transmission, and the headstock that obtains said vehicle points to;
Distance acquiring unit is used to receive the Navsat longitude and latitude locating information that said trackside beacon sends, and the Navsat longitude and latitude locating information of said car-mounted terminal self, obtains the distance of the said relatively trackside beacon of said vehicle;
The geographical location information transmitting element is used in real time or the cycle is sent to said trackside beacon with the positional information of said vehicle, and the positional information of said vehicle comprises the distance of the said relatively trackside beacon of vehicle and the headstock sensing of vehicle.
14. car-mounted terminal according to claim 13 is characterized in that, also comprises:
The safe antitheft module; When being used for vehicle parking; Close the communications transmit module of car-mounted terminal, and the signal that said intelligent plane aerial array receives is detected, confirm that the varying strength of the different directions of pilot signal in each antenna array unit that said trackside beacon sends changes through the communications reception module of car-mounted terminal; Confirm the environmental change of said vehicle periphery, to judge whether safety of said vehicle;
The antitheft notification module is used to judge when said vehicle is dangerous, opens the communications transmit module of car-mounted terminal, sends vehicle unsafe conditions change notification to said trackside beacon, behind the wireless receiving signal stabilization, and communication close transmitter module again.
15. an intelligent traffic monitoring system is characterized in that, comprising: be arranged on the trackside beacon on each highway section of road;
Said trackside beacon is for adopting the arbitrary described trackside beacon of above-mentioned 8-12, is used for the transport condition of the vehicle of car-mounted terminal that aforesaid right requirement 13 or 14 are installed is monitored.
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