JP6265056B2 - OBE - Google Patents

Description

  The present invention includes a communication unit that is mounted on a vehicle and communicates with a roadside device installed at a required position on a road, and is capable of uplinking the traveling history data of the own vehicle to the roadside device. It relates to onboard equipment.

  In the field of ITS, a system in which a DSRC vehicle-mounted device is mounted on a vehicle (automobile) and road-to-vehicle communication with an ETC roadside machine, an ITS spot roadside machine, or the like has been put into practical use. Specifically, communication between the DSRC in-vehicle device and the ETC roadside device enables ETC gate traffic (automatic payment of highway tolls), and communication with the ITS spot roadside device enables high speed Service provision of road traffic information (driving support information) on the road can be received.

  In recent years, in the road-to-vehicle communication system as described above, during the road-to-vehicle communication, the travel history data of the vehicle (for example, data such as vehicle position, speed, time, etc.) is uplinked as a data log from the vehicle-mounted device to the roadside device. In addition, a service has been proposed in which the uplink information is collected at an information center that supervises roadside machines and used for driving support by statistical processing (see, for example, Patent Document 1). However, in Patent Document 1, from the viewpoint of protecting personal information, the travel history data around the vehicle stop position (ACC on / off point) is uplinked so that the position (action) of the user's home or destination cannot be specified. The starting and ending point protection processing that is excluded from the above is performed.

JP 2014-59653 A

  As described above, when the travel history data is uplinked from the vehicle-mounted device to the roadside device, the following problems are caused in the case of performing the above-described start / end point protection processing. That is, in general, it is frequently performed that a user of a vehicle traveling on an expressway stops at a road service facility (service area (SA) or parking area (PA)) and takes a break. It ’s not really personal information that needs to be protected. However, even in such a case, when the vehicle is stopped at the SA or PA parking lot, start / end point protection processing is performed, and the vehicle travel history data in the vicinity of the SA or PA is not subject to uplink. Will be. Therefore, in the information center, it is no longer possible to collect useful uplink information such as how the SA or PA is used or how the vehicle behaves in the vicinity of the SA or PA. End up.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to allow the traveling history data of the own vehicle to be uplinked to a roadside machine, in the vicinity of a road service facility on a highway. Another object of the present invention is to provide a vehicle-mounted device that can perform uplink well with respect to travel history data.

In order to achieve the above object, the vehicle-mounted device (3) of the present invention is mounted on the vehicle (2) and communicates with a roadside device (4) installed at a required position on the road (12 ), And is capable of uplinking the traveling history data of the host vehicle to the roadside machine (4), and in a certain area (A) from the ACC on / off point of the host vehicle (2). Uplink control means (11) for executing start / end point protection processing for excluding traveling history data of the own vehicle (2) from data to be uplinked to the roadside machine (4), and ACC on of the own vehicle (2) / In the case where it is determined that the off-point is in the vicinity of the road service facility (R) on the expressway , the vehicle is provided with invalidation means (11) for invalidating the start / end point protection processing and the vehicle (2 ) On a regular road, Where with the second inhibiting means does not invalidate the electromotive endpoint protection process by invalidating means (11) having features (the invention of claim 1).

  According to this, the traveling history data of the own vehicle (2) is uplinked to the roadside machine (4), and at that time, the uplink control means (11) executes the start / end point protection processing. Thus, the traveling history data of the host vehicle (2) in a certain area (A) from the ACC on / off point of the host vehicle (2) is not uplinked. As a result, the home or destination position (action) of the user of the vehicle (2) is not specified, and personal information can be protected.

  Here, in the vicinity of the road service facility (R) on the expressway, the invalidation means (11) invalidates the start / end point protection processing, so even if the host vehicle (2) is turned on / off. The travel history data of the host vehicle (2) is uplinked without starting / ending point protection processing. Accordingly, the traveling history data of the host vehicle (2) can be uplinked to the roadside machine (4), and the traveling history data in the vicinity of the road service facility (R) on the expressway Uplink can be performed well.

The block diagram which shows one Example of this invention and shows roughly the electrical structure of onboard equipment and a roadside machine The figure which shows the structure of the road-vehicle communication system roughly Illustration for explaining certain areas for highway road service facilities The flowchart which shows the process sequence regarding the start / end point protection process in a control part. The flowchart which shows the reception processing of the VICS (registered trademark) information in the control unit

  Hereinafter, an embodiment embodying the present invention will be described with reference to the drawings. In the embodiments described below, the present invention is applied to a car navigation interlocking type (or car navigation integrated type) vehicle-mounted device (DSRC vehicle-mounted device) that can support an ITS spot service (ETC compatible) on a highway. Yes.

  FIG.1 and FIG.2 has shown schematically the structure of the road-vehicle communication system 1 comprised including the onboard equipment which concerns on a present Example. The road-to-vehicle communication system 1 includes an in-vehicle device 3 according to this embodiment mounted on a vehicle (automobile) 2 and an ITS that is installed at a required position on a highway H and is a roadside device that performs road-to-vehicle communication with the on-vehicle device 3. A spot roadside machine 4 and an information center (not shown) for managing a number of ITS spot roadside machines 4 are provided. Each of the ITS spot roadside devices 4 is connected to the information center by wire (or wirelessly). Although not shown, the information center includes a server and a database, and distributes road traffic information (VICS information) and collects and uses uplink information (probe information) as will be described later. It has become.

  As shown in FIG. 1, the ITS spot roadside device 4 includes a control unit 6 that controls the whole and a DSRC radio unit 7 that is controlled by the control unit 6. The DSRC radio unit 7 includes a narrow area radio communication device that performs narrow area radio communication with the in-vehicle device 3 by a DSRC (Dedicated Short Range Communications) method. As a result, supply of road traffic information (VICS information) and fee settlement processing in the ETC service are performed by narrow-area wireless communication with the vehicle-mounted device 3 passing on the highway H. The road traffic information includes road information such as traffic jams, accidents, and closed roads, guidance information for road service facilities R (see FIG. 3) such as SA / PA, and the like. In this embodiment, the travel history data of the vehicle 2 is uplinked from the vehicle-mounted device 3 to the ITS spot roadside device 4.

  As shown in FIG. 2, the vehicle-mounted device 3 according to the present embodiment includes a circuit board, a card connector, and the like (not shown) in a body case 8 made of, for example, a synthetic resin. At this time, the main body case 8 has a thin, substantially rectangular box shape, and is provided with a card slot 8a that is positioned in the front surface portion and has a horizontally long slit shape. An ETC / DSRC card 9 is inserted through the card slot 8a so as to be able to be put in and out. The ETC / DSRC card 9 is composed of, for example, a well-known contact type IC card. A car navigation device 10 is connected to the vehicle-mounted device 3 so as to operate in cooperation.

  FIG. 1 schematically shows an electrical configuration of a main part of the vehicle-mounted device 3. The vehicle-mounted device 3 includes a control unit 11 and is connected to the control unit 11 as a DSRC radio unit 12, an input operation unit 13, a display unit 14, a voice output unit 15, a map database 16, and a travel unit. An information storage unit 17, a GPS receiving unit 18 and the like are provided. The said control part 11 is comprised mainly by the computer which has CPU, ROM, RAM, etc., for example, controls the vehicle equipment 3 whole by execution of the control program memorize | stored in ROM.

  The DSRC radio unit 12 is controlled by the control unit 11 and performs narrow area radio communication with the ITS spot roadside machine 4 (DSRC radio unit 7) when the vehicle 2 travels on the highway H, and road traffic Acquisition of information (VICS information), toll settlement processing on toll roads, uplink of traveling history data of the own vehicle 2 and the like are performed. The input operation unit 13 includes an operation switch that can be operated by a user such as a driver, and an operation signal is input to the control unit 11. The said display part 14 consists of a display arrange | positioned by the instrument panel part in a vehicle, and displays a map screen and various message screens. The voice output unit 15 includes a speaker or the like, and can output a synthesized voice obtained by reading out text data.

  The map database 16 stores, for example, road map data all over Japan, destination data such as various facilities and stores, data for map matching, etc. accompanying the road map data. Data for reproducing (drawing) the map on the screen of the display unit 14 is also included. The travel information storage unit 17 includes, for example, a non-volatile memory, and stores various data such as uplink travel history data, which will be described later. The GPS receiver 18 receives a signal from a GPS satellite, and can detect the current position of the vehicle 2 based on the received signal.

  The control unit 11 controls the display unit 14 and the voice output unit 15, and displays, for example, road traffic information acquired by communication with the ITS spot roadside machine 4, various necessary messages, etc. on a screen display or voice. To be notified. In addition, about the above-mentioned display part 14, the audio | voice output part 15, the map database 16, GPS receiving part 18, etc., it is provided as a display unit which comprises the car navigation apparatus 10 (or vehicle information system), and input / output of the vehicle equipment 3 Also used as a device. When the car navigation device 10 is functioning, a map screen is displayed on the display unit 14 based on the vehicle position detected by the GPS receiver 18 and the map data in the map database 16.

  As will be described later in the description of the operation, in the road-to-vehicle communication system 1 according to the present embodiment, during the road-to-vehicle communication between the vehicle-mounted device 3 and the ITS spot roadside device 4, the vehicle-mounted device 3 transmits the ITS spot roadside device. 4, the traveling history data of the vehicle 2 is uplinked. The traveling history data of the vehicle 2 to be uplinked includes, for example, a set of information such as time, position, speed, and acceleration. In this case, the control unit 11 always accumulates travel history data during travel, accumulates the travel history data in the travel information storage unit 17, and transmits (uplinks) the travel history data when communicating with the ITS spot roadside device 4. The travel history data for which transmission has been completed is deleted (reset) from the travel information storage unit 17.

  The information center that supervises the ITS spot roadside machine 4 collects and analyzes uplink information transmitted from a large number of vehicles 2, for example, real-time traffic jam information, so-called near-miss locations, accident-prone locations, etc. Services that provide road information (running support information) or use statistically are realized.

  However, uplinking information that can identify the location (behavior) of the user's home or destination such as the starting point (travel start point) or destination (travel end point) of the vehicle 2 is a viewpoint of personal information protection. Is not preferable. Therefore, in order to protect such personal information, the control unit 11 performs a start / end point protection process that excludes the travel history data around the stop position (ACC on / off point) of the vehicle 2 as an uplink target. Specifically, for a certain area A from the ACC on / off point (for example, a range of a circle with a radius of several hundred meters shown in FIG. 3), the travel history data at that position is excluded from the uplink data (travel information) The data is not stored in the storage unit 17). Therefore, the control unit 11 functions as an uplink control unit.

  In this embodiment, as will be described in the following description of the operation (flowchart description), the control unit 11 determines that the ACC on / off point of the host vehicle 2 is shown in FIG. When it is determined that the road service facility R (service area (SA) or parking area (PA)) of the expressway H shown is in the vicinity (within the predetermined range D), the start / end point protection process is invalidated. That is, even the travel history data within a certain area A from the ACC on / off point is accumulated and stored in the travel information storage unit 17 to be uplinked. Therefore, the control unit 11 also functions as invalidation means.

  Specifically, in the present embodiment, road-to-vehicle communication with the ITS spot roadside device 4 is performed as a determination as to whether or not the ACC on / off point of the host vehicle 2 is in the vicinity of the road service facility R on the highway H. Sometimes, using the reception of the guidance information of the road service facility R, as shown in FIG. 3, a predetermined range D (for example, a range having a radius of several hundreds meters around the point P from the point P where the guidance information is received) ), The start / end point protection processing is invalidated when the host vehicle 2 is turned on / off. In this case, the predetermined range (distance) D can be slightly larger than the diameter of the certain area A.

  As described above, instead of (in addition to) determining that the predetermined range D is near the road service facility R from the point P where the guidance information of the road service facility R is received, the following is performed. Also good. That is, in the configuration in which the guidance information to be displayed at a predetermined display point is received from the ITS spot roadside device 4 and stored in the in-vehicle device 3, the guidance information within the predetermined range D from the display point of the guidance information of the road service facility R When the vehicle 2 is turned on / off, the start / end point protection process may be invalidated.

  Further, since the map database 16 includes the position information of the road service facility R, when it is determined that the position of the host vehicle 2 is within the predetermined range D from the road service facility R on the map data, When the vehicle 2 is turned on / off, the start / end point protection process may be invalidated. In this case, the predetermined range D can be within a circle having a radius of about several hundreds of meters, for example, equivalent to the area A.

  Next, the operation of the above configuration will be described with reference to FIGS. FIG. 3 shows an example in which the vehicle 2 driven by the user stops at a road service facility R such as SA or PA for a break while traveling on the highway H in the direction of arrow a. . In FIG. 3, small black circles and white circles represent the positions of the travel history data of the host vehicle 2 that should be collected in the vehicle-mounted device 3 and stored in the travel information storage unit 17.

  As described above, the vehicle-mounted device 3 performs road-to-vehicle communication (DSRC narrow-area wireless communication) with the ITS spot roadside device 4 when the vehicle 2 is traveling on the highway H, and road traffic Acquire information (VICS information) and process fee settlement at the toll booth. In the example of FIG. 3, the vehicle-mounted device 3 performs road-to-vehicle communication with the ITS spot roadside device 4 at, for example, a point P on the highway H, and receives road traffic information (VICS information). The road traffic information includes guidance information indicating that the road service facility R exists, for example, 500 meters away.

  The flowchart in FIG. 5 shows a processing procedure when the control unit 11 receives the guidance information of the road service facility R through road-to-vehicle communication with the ITS spot roadside machine 4. That is, in step S1, road-to-vehicle communication is performed with the ITS spot roadside machine 4, and road traffic information (VICS information) including guidance information on the road service facility R is received. Then, in the next step S2, the point P at which the guidance information for the road service facility R is received is stored, and this process ends.

  At the same time, the vehicle-mounted device 3 always collects the travel history data of the host vehicle 2 while the vehicle 2 is traveling, and stores it in the travel information storage unit 17. The vehicle-mounted device 3 uplinks the travel history data of the vehicle 2 stored in the travel information storage unit 17 to the ITS spot roadside device 4 at the time of road-to-vehicle communication with the ITS spot roadside device 4. However, as described above, in order to protect the personal information, the control unit 11 has a certain area A (for example, a range of a circle having a radius of several hundred meters shown in FIG. 3 from the stop position (ACC on / off point) of the vehicle 2. ) Is performed to exclude the travel history data at that position from the data to be uplinked (not to be stored in the travel information storage unit 17).

  Here, when the user stops the vehicle and takes a rest at the parking lot of the road service facility R, the ACC is turned off (then ACC is turned on thereafter). The travel history data at the white circle points in A are not uplinked. However, in this case, the information center collects useful uplink information such as how the road service facility R is used or how each vehicle 2 behaves in the vicinity of the road service facility R. You will not be able to.

  Therefore, in this embodiment, the control unit 11 determines that the ACC on / off point of the host vehicle 2 is in the vicinity of the road service facility R on the highway H (within the predetermined range D) as an exception of the start / end point protection process. In the case of failure, start / end point protection processing is invalidated. The flowchart of FIG. 4 shows a processing procedure related to the start / end point protection processing executed by the control unit 11.

  That is, when ACC ON is detected in step S11, the current position of the vehicle 2 is within a predetermined range (distance D) from the point P where the road service facility R guidance information is received in the next step S12. It is judged whether there is. When the current position of vehicle 2 is within a predetermined range (distance D) from point P (Yes in step S12), the process proceeds to step S14, and travel history data is collected. Therefore, for example, when the vehicle 2 leaves the parking lot of the road service facility R (engine is started), the start / end point protection processing is invalidated and the travel history data is collected.

  On the other hand, if the current position of the vehicle 2 is out of the predetermined range (distance D) from the point P (No in step S12), the current position of the vehicle 2 is ACC on in step S13. It is determined whether a certain area A is exceeded from the point. If the current position of the vehicle 2 is within the certain area A (No in step S13), no travel history data is collected, and after the current position of the vehicle 2 exceeds the certain area A (in step S13) Yes), travel history data is collected (step S14). That is, when the vehicle leaves (unrelated) from the road service facility R (engine is started), start / end point protection processing is performed, and the travel history within a certain area A from the departure point of the vehicle 2 Data will never be uplinked.

  While the vehicle 2 is traveling, it is always monitored whether or not ACC is turned off (step S15). Unless ACC is turned off (No in step S15), the collection of traveling history data in step S14 is continuously performed. . When ACC-off is detected (Yes in step S15), in the next step S16, the ACC-off point (current position of the vehicle 2) starts from the point P where the guidance information of the road service facility R is received. It is determined whether it is within a predetermined range (distance D).

  When the ACC-off point is within a predetermined range (distance D) from the point P (Yes in step S16), in step S18, the travel history data and the guidance information reception point P are set to the travel information storage unit 17. Save to. Thereby, when the vehicle 2 stops at, for example, the road service facility R (parks at the parking lot), the start / end point protection processing is invalidated, and travel history data is collected. Thus, in the example of FIG. 3, if the ACC on / off point of the vehicle 2 is within a predetermined range (distance D) from the point P where the guidance information of the road service facility R is received, the start / end point protection process is invalidated. In addition, the white circles in the area A are also saved in the traveling history data and are uplinked at the time of the next road-to-vehicle communication.

  On the other hand, when the ACC off point is out of the predetermined range (distance D) from the point P (No in step S16), the ACC off stored in the travel information storage unit 17 in step S17. The travel history data in the certain area A is erased from the point. Therefore, when the vehicle stops at a position away from (unrelated to) the road service facility R, start / end point protection processing is performed, and traveling history data in the fixed area A is uplinked from the stop point of the vehicle 2. Will disappear.

  Thus, according to the onboard equipment 3 of a present Example, there exist the following effects. That is, when the travel history data of the own vehicle 2 is uplinked to the ITS spot roadside device 4, the travel history data in a certain area A from the ACC on / off point of the own vehicle 2 is uplinked by the start / end point protection processing. It is possible to protect personal information. On the other hand, in the vicinity of the road service facility R on the expressway H, the start / end point protection processing is invalidated, and it is possible to satisfactorily perform uplinking with respect to the travel history data in the vicinity of the road service facility R. Data can be uplinked.

  Although not described in the above embodiment, for example, a case where the home of the user of the vehicle 2 is in the vicinity of the road service facility R can be considered. In such a case, it is not desirable that the start / end point protection process is invalidated. Therefore, after the own vehicle 2 enters the predetermined range D in the vicinity of the road service facility R and then once deviates from the predetermined range D and enters the predetermined range D again, the start / end point protection processing by the invalidating means is invalidated. It is possible to provide a first prohibiting means that does not cause the change.

  Alternatively, when it is determined that the host vehicle 2 is traveling on a general road, a second prohibiting unit that does not invalidate the start / end point protection processing by the invalidating unit may be provided. According to these, when the home of the user of the vehicle 2 is in the vicinity of the road service facility R, the start / end point protection processing is not invalidated, which is effective from the viewpoint of personal information protection.

  Moreover, in the said Example, although the onboard equipment cooperated with the car navigation apparatus as an example, it is good also as a structure which cooperates onboard equipment and a portable information terminal (smartphone etc.). Furthermore, in the above embodiment, SA and PA have been exemplified as road service facilities, but it is needless to say that highway oasis and the like are included. In addition, the present invention is not limited to the above-described embodiments, for example, various changes can be made to the overall configuration of the road-to-vehicle communication system, the roadside unit, the vehicle-mounted device, etc. The present invention can be implemented with appropriate modifications within the scope not departing from the gist.

  In the drawings, 1 is a road-to-vehicle communication system, 2 is a vehicle, 3 is a vehicle-mounted device, 4 is an ITS spot roadside machine (roadside machine), 11 is a control unit (uplink control means, invalidation means), and 12 is a DSRC radio unit. (Communication means), 14 is a display unit, 16 is a map database, 17 is a travel information storage unit, 18 is a GPS receiver, H is an expressway, R is a road service facility, A is a certain area, D is a predetermined range, P indicates a point where the guide information is received.

Claims (5)

The vehicle (2) is equipped with a communication means (12) for communicating with a roadside machine (4) installed at a required position on the road, and traveling history data of the own vehicle is stored in the roadside machine (4). An on-vehicle device (3) capable of uplinking,
Executes start / end point protection processing for excluding traveling history data of the host vehicle (2) in a certain area (A) from the ACC on / off point of the host vehicle (2) from data uplinked to the roadside unit (4). Uplink control means (11) for
Invalidating means (11) for invalidating the start / end point protection process when it is determined that the ACC on / off point of the host vehicle (2) is in the vicinity of the road service facility (R) on the expressway And with
A vehicle- mounted device comprising second prohibiting means for preventing the invalidation means (11) from invalidating the start / end point protection processing when the host vehicle (2) is traveling on a general road .   The invalidating means (11) uses the reception of the guidance information of the road service facility (R) from the roadside machine (4), and within a predetermined range (D) from the point where the guidance information is received. The vehicle-mounted device according to claim 1, wherein when the host vehicle (2) is turned on / off, the start / end point protection processing is invalidated.   The invalidating means (11) is based on guide information of the road service facility (R) received and accumulated from the roadside machine (4), and within the predetermined range (D) from the display point of the guide information. 3. The vehicle-mounted device according to claim 1 or 2, wherein when the host vehicle (2) is turned on / off, the start / end point protection processing is invalidated.   The invalidation means (11) determines that the own vehicle (2) is in the predetermined range (D) from the road service facility (R) on the map information. The in-vehicle device according to any one of claims 1 to 3, wherein when the ACC is turned on / off, the start / end point protection processing is invalidated.   When the host vehicle (2) enters the predetermined range (D) near the road service facility (R) and then once deviates from the predetermined range (D) and enters the predetermined range (D) again, 5. The vehicle-mounted device according to claim 1, further comprising: a first prohibiting unit that does not invalidate the start / end point protection process by the invalidating unit.

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