JP2006350953A - Car navigation system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a user with information about calculated insurance benefit by allowing a car navigation system to individually calculate an insurance benefit corresponding to a route on the basis of information stored in a map database. <P>SOLUTION: A route to a destination is calculated before actually traveling the route, the insurance benefit corresponding to the route (and length of the route/distance to the destination) is calculated from an insurance benefit per unit distance associated with a road attribute of a road constituting the calculated route by using insurance benefit information associated with road attribute information included in road information stored in the existing map database, and information about the calculated insurance benefit is notified by a voice output, display on the screen, or the like. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a car navigation apparatus.

  Along with the relaxation of insurance-related regulations such as the liberalization of non-life insurance premium rates, the premium of non-life insurance (auto insurance) in preparation for damages caused by car accidents has been reduced. In the future, insurance fees may be set and charged depending on the distance and route actually traveled, and various proposals have been made for that purpose.

  For example, in the technique described in Patent Document 1, in order to acquire data relating to non-life insurance including non-life insurance premiums and compensation / compensation information reflecting information representing driving performance during driving of the vehicle from a non-life insurance company computer, A non-life insurance company computer that sends a request for provision of data relating to non-life insurance including the actual driving performance information to the non-life insurance company's computer. Data on non-life insurance including non-life insurance premiums and compensation / compensation information is calculated, and the calculated data is transmitted to the vehicle.

  Further, according to the technique described in Patent Document 2, the in-vehicle device connected to the risk server via the network refers to the map data before the start of driving, gives priority to the required time, priority to the distance, and low risk. A plurality of routes are selected based on a plurality of different determination criteria such as priority, highway priority, and priority on low number of intersections, and the selected plurality of routes are transmitted to the risk server.

On the other hand, the risk server receives a plurality of routes from the in-vehicle device via the network, and the location risk that is the incidence of accidents for each location associated with the location included in each received route, and the drive mode ( Auto / manual), car safety performance, auto-drive accident avoidance performance, driver's driving aptitude, weather information on the route, traffic information on the route, number of turns on the left and right included in the route, etc. Calculate the route risk, which is the incidence of accidents when driving. The risk server calculates a car insurance premium for the drive based on the route risk and transmits it to the in-vehicle device. Then, the in-vehicle device receives the insurance premium for each selected route from the risk server and displays it on the monitor of the display unit. Thus, the driver reviews the driving plan based on the insurance premium displayed on the monitor.
JP 2003-6439 A JP 2004-171482 A

  With the technique of the above-mentioned patent document 1 and the technique of patent document 2, it is possible to provide the user with information related to the insurance fee according to the route. However, in any technique, since the insurance fee is calculated in a server outside the vehicle, an in-vehicle device such as a car navigation device cannot calculate the insurance fee alone. Furthermore, since any technology is connected to an external server via a network, information relating to insurance fees cannot be provided to the user in an environment where connection to the network is not possible.

  In addition, since the technology of Patent Document 1 calculates the insurance fee from the driving performance, the insurance fee on the route cannot be provided to the user unless it actually travels along the route. The insurance plan for the route selected before the start is calculated and provided to the user, so the drive plan can be reviewed. However, since the technique of Patent Document 2 calculates an insurance fee based on a position risk that is an accident occurrence rate for each position associated with a position included in a route, the length (distance) of the route Insurance premiums cannot be calculated based on

  The present invention has been made in view of the above problems, and the car navigation device independently calculates the insurance fee according to the route based on the information stored in the existing map database before actually traveling the route. Then, it aims at providing the car navigation apparatus which can provide a user with the information regarding this calculated insurance fee.

In order to achieve the above object, a car navigation device according to claim 1 comprises:
A route calculation means for calculating a route to a destination using road information on roads on a map stored in a map database,
Insurance fee information storage means for storing insurance fee information indicating an insurance fee per unit distance associated with the road attribute information included in the road information;
Using the insurance fee information stored in the insurance fee information storage means, the insurance fee of the car insurance on the route is calculated from the insurance fee per unit distance associated with the road attribute of the road constituting the route calculated by the route calculating means. Insurance premium calculation means to calculate,
Insurance fee notifying means for notifying the insurance fee on the route calculated by the insurance fee calculating means.

  As described above, the car navigation device of the present invention calculates the route to the destination before actually traveling the route, and associates it with the road attribute information included in the road information stored in the existing map database. Using the calculated insurance fee information, it is associated with the road attributes of the roads that make up the calculated route, and the insurance fee per unit distance corresponds to the route (and the length of the route / the distance to the destination). An insurance fee is calculated, and information on the calculated insurance fee is notified by voice output, screen display, or the like.

  As a result, the car navigation device calculates the insurance fee according to the route alone based on the information stored in the existing map database before actually traveling the route, and the information on the calculated insurance fee is sent to the user. Can be provided.

  According to the car navigation device of the second aspect, the map database stores at least one of the road type and the number of lanes as the road attribute information. Thereby, for example, by storing insurance fee information associated with road attributes such as residential roads, prefectural roads, national roads, and motorway roads and road attributes such as the number of lanes in the insurance fee information storage means. The insurance fee calculation means can calculate an insurance fee according to the road type, the number of lanes, etc. of the roads constituting the route.

According to the car navigation device of claim 3,
The route calculation means calculates a plurality of routes to the destination,
The insurance fee notifying means includes display control means for displaying the insurance fee for each route calculated by the route calculating means on the display screen.

  Accordingly, for example, when the user selects a route to be guided from a plurality of routes, the insurance fee for each route is displayed, so that the amount of the insurance fee can be one of the options in route selection.

  According to the car navigation device of the fourth aspect, the route calculation means calculates a plurality of routes to the destination based on a plurality of different search conditions. It includes a search condition that prioritizes low charges. Thereby, for example, the route with the lowest insurance fee can be calculated.

  The car navigation device according to claim 5 comprises route selection means for selecting a route to be guided from a plurality of routes displayed by the display control means, and route guidance means for guiding the route selected by the route selection means. It is characterized by that. Thereby, for example, the user can select a route with the lowest insurance fee and guide the route to the car navigation device.

  According to the car navigation device of the sixth aspect, the insurance fee information storage means stores the insurance fee information including the insurance fee per unit distance associated with the time zone as the insurance fee information.

  That is, even when the road is the same, the risk when traveling is different if the time zone is different. Therefore, by storing the insurance fee information associated with the time zone, the insurance fee for the route can be calculated using the insurance fee information associated with the time zone together with the road attribute.

The car navigation device according to claim 7,
It has an input means to input the insurance fee per unit distance associated with the road attribute,
The insurance fee data storage means stores the unit insurance fee associated with the road attribute input by the input means. Thereby, the insurance fee information to be stored in the insurance fee information storage means can be input from the input means.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing a schematic configuration of a car navigation apparatus 100 according to the present embodiment. As shown in the figure, the car navigation apparatus 100 of this embodiment is a GPS (which detects the current location of the host vehicle based on radio waves from the well-known geomagnetic sensor 1, gyroscope 2, distance sensor 3, and GPS satellites. GPS receiver 4 for Global Positioning System), map data input device 5 for storing map database, operation switch group 6, external sensor 7, integrated circuit 8, display device 9, and external information input / output device 10 Composed.

  The integrated circuit 8 is configured as a microcomputer, and includes a well-known CPU, ROM, RAM, I / O, internal memory, and a bus line for connecting these configurations. In the ROM, a program to be executed by the car navigation apparatus 100 is written, and a CPU or the like executes predetermined arithmetic processing according to this program.

  The geomagnetic sensor 1, the gyroscope 2, the distance sensor 3, and the GPS receiver 4 all constitute a position detector for detecting the position of the vehicle. Since these have errors of different properties, they are configured to be used while being complemented by a plurality of sensors. Depending on the accuracy of each sensor, the position detector may be configured as a part of the above-described ones, and further, a steering rotation sensor as the external sensor 7, a vehicle speed sensor for each rolling wheel, or the like may be used. .

  The map data input device 5 is a device for inputting a map database composed of road network data, index data, drawing data, and the like, and transmits various data in response to requests from the integrated circuit 8. A CD-ROM or DVD-ROM is generally used as a storage medium for storing these various data, but a writable storage medium such as a memory card or a hard disk may be employed. Here, link data, node data, and drawing data constituting the road network data will be described.

  First, a link is defined by dividing each road on the map at a plurality of nodes such as intersections, branches, and merging points, and each node is defined as a link. Configure. The link data includes a unique number (link ID) for identifying the link, a link length indicating the length of the link, coordinates of the start and end nodes of the link (latitude / longitude), road type (residential road (narrow street), prefectural road Automobile roads including national roads, expressways, etc.), road width, number of lanes, etc.

  Thus, the link data includes road attribute information such as the road type and the number of lanes. Thereby, the insurance fee information associated with the road attributes such as the road type and the number of lanes is stored in the internal memory of the integrated circuit 8 as the insurance fee information storage means, so that the route is calculated in the insurance fee calculation process. It is possible to calculate an insurance fee according to the road type, the number of lanes, and the like of the roads to be configured. This insurance fee information and insurance fee calculation processing will be described later.

  On the other hand, the node data describes node IDs, node coordinates (latitude / longitude), and link IDs of all links connected to the nodes, for each node where each road on the map intersects, branches, and merges. Connected link ID, branch point, junction point, and each data such as a point attribute indicating which point of the intersection is applicable.

  The drawing data is data used for displaying a map as shown in FIG. 3, and includes terrain such as the sea (including lakes and ponds) and mountains, facilities, roads, road junctions, road junctions, and roads. Information such as display characters such as intersections, display positions (latitude / longitude), polygons, landmarks (landmarks, etc.).

  For example, a touch switch or a mechanical switch integrated with the display device 9 is used as the operation switch group 6 and is used for various inputs such as a scroll operation of a map displayed on the screen of the display device 9 and character input. The

  The display device 9 is constituted by, for example, a liquid crystal display, and the vehicle position mark corresponding to the current vehicle position input from the position detector and the map database input from the map data input device 5 are displayed on the screen of the display device 9. It is possible to display a road map around the vehicle generated by.

  The external information input / output device 10 is a communication device that enables mobile communication such as a mobile phone, for example, and is connected to the Internet via an external information network or provides VICS (Vehicle Information and Communication) that provides road traffic information. It is possible to connect to a dedicated information center such as a (System) (registered trademark) center.

  When the destination is set from the operation switch group 6 or a remote controller (not shown), the car navigation device 100 automatically calculates a plurality of routes from the current location (or any designated point) to the destination. Thus, a so-called route guidance function for forming and displaying a guidance route is provided.

  This route guidance function calculates a plurality of routes based on a plurality of different search conditions (for example, toll road priority, general road priority, distance short priority, insurance premium low priority, etc.). A route selection screen (FIGS. 3 and 4) for selecting a route to be routed from among the routes is displayed on the display device 9 to allow the user to select a desired route. Then, the route selected by the user is guided.

  Thereby, in the route guidance function, the route with the lowest insurance fee can be calculated. Also, the user can select the route with the lowest insurance fee and cause the car navigation device 100 to guide the route.

  In the route guidance function, when a plurality of routes are searched, the insurance fee calculation processing of FIG. 2 is executed using the insurance fee information shown in FIG. 5, and each route (and the length of the route / to the destination) is executed. Calculate the insurance fee according to the distance. Then, the calculated insurance fee information is displayed on the route selection screen shown in FIG. 3 and FIG. 4 or is output to the user and notified to the user.

  Thus, by displaying the insurance fee for each route when the user selects a route to be guided from a plurality of routes, the amount of the insurance fee can be made one of the options in route selection. FIG. 5 shows insurance fee information indicating the insurance fee per unit distance for each type of road (residential road, prefectural road, national road, motorway, etc.).

  In this insurance fee calculation processing, using the unit insurance fee associated with each road type shown in FIG. 5, from the insurance fee per unit distance associated with the road attributes of the roads constituting the plurality of calculated routes, An insurance fee corresponding to the route (and the length of the route / the distance to the destination) is calculated, and information on the calculated insurance fee is notified.

  Next, the flow of insurance fee calculation processing will be described using the flowchart shown in FIG. This insurance fee calculation process is to execute the process shown in FIG. 2 for each route. In step (hereinafter referred to as S) 10 shown in FIG. 2, each variable (X, Xa, Xb, Xc, Xd) of the insurance premium is initialized.

  In S20, it is determined whether a residential road is included in the roads constituting the route. If the determination is affirmative, the process proceeds to S30, and if the determination is negative, the process proceeds to S40. In S30, the unit insurance fee a associated with the residential road shown in FIG. 5 is referred to, and this unit insurance fee a is multiplied by the distances of all the residential roads included in the route to obtain an insurance fee variable (Xa). Is calculated.

  In S40, it is determined whether a prefectural road is included in the roads constituting the route. If the determination is affirmative, the process proceeds to S50. If the determination is negative, the process proceeds to S60. In S50, the unit insurance fee b associated with the prefectural road shown in FIG. 5 is referred to, and the unit insurance fee b is multiplied by the distance of all the prefectural roads included in the route to obtain an insurance fee variable ( Xb) is calculated.

  In S60, it is determined whether a national road is included in the roads constituting the route. If the determination is affirmative, the process proceeds to S70. If the determination is negative, the process proceeds to S80. In S70, the insurance premium variable (Xc) is calculated by referring to the unit insurance fee c associated with the national road shown in FIG. 5 and multiplying the unit insurance fee c by the distances of all the national roads included in the route. To do.

  In S80, it is determined whether or not an automobile exclusive road is included in the roads constituting the route. If the determination is affirmative, the process proceeds to S90. If the determination is negative, the process proceeds to S100. In S90, the unit insurance fee d associated with the automobile exclusive road shown in FIG. 5 is referred to, and the unit insurance fee d is multiplied by the distances of all the automobile exclusive roads included in the route to obtain an insurance fee variable ( Xd) is calculated. In S100, the insurance fee variables (Xa, Xb, Xc, Xd) are summed to obtain the insurance fee (X) on the route, and the insurance fee (X) on the route is displayed on the display device 9 in S110.

  Thereby, before actually traveling the route, the car navigation device 100 independently calculates the insurance fee corresponding to the route based on the road attribute information stored in the existing map database. Information can be provided to the user.

  The preferred embodiments of the present invention have been described above. However, the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the spirit of the present invention.

  For example, even if the road is the same, if the time zone is different, the risk when traveling is also considered different. Therefore, as shown in FIG. 8, the insurance fee information associated with the time zone is stored together with the road attribute by storing the insurance fee information associated with the time zone in the internal memory of the integrated circuit 8. May be used to calculate the insurance fee for the route. Furthermore, not only the time zone but also the season and day of the week (for example, weekdays, holidays, holidays, etc.) may be associated as insurance fee information.

  Further, the insurance fee information for each road type shown in FIG. 5 can be stored in advance in the internal memory of the integrated circuit 8 when the information is disclosed from an insurance company or the like, but the information is disclosed. If not, it cannot be held in the internal memory. In this case, the insurance fee information for each road type shown in FIG. 5 and the insurance fee information for each number of lanes shown in FIG. 7 are held as default information. Depending on the amount of the fee, as shown in FIG. 8, the rank of the expected insurance fee may be provided to the user.

  Further, when the insurance fee information for each road attribute disclosed by an insurance company or the like is updated, the updated insurance fee information is input by operating the operation switch group 6, and the internal memory of the integrated circuit 8 is updated. You may make it rewrite the insurance fee information memorize | stored in. As a result, insurance fee information to be stored in the internal memory of the integrated circuit 8 can be input by operating the operation switch group 6.

1 is a block diagram showing an overall configuration of a car navigation device 100. FIG. 4 is a flowchart showing a flow of insurance fee calculation processing by the car navigation device 100. It is a route selection screen of route calculation results for each search condition. It is a route selection screen which shows the detail of the route calculation result for every search condition. It is a figure which shows the insurance fee information for every road classification. It is a figure which shows the insurance fee information for every time slot | zone. It is a figure which shows the insurance fee information for every lane number. It is a figure which shows the rank of a total insurance premium.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Geomagnetic sensor 2 Gyroscope 3 Distance sensor 4 GPS receiver 5 Map data input device 6 Operation switch group 7 External sensor 8 Integrated circuit 9 Display apparatus 10 External information input / output apparatus 100 Car navigation apparatus

Claims (7)

A car navigation device comprising route calculation means for calculating a route to a destination using road information on roads on a map stored in a map database,
Insurance fee information storage means for storing insurance fee information indicating an insurance fee per unit distance associated with the road attribute information included in the road information;
Using the insurance fee information stored in the insurance fee information storage means, from the insurance fee per unit distance associated with the road attribute of the road constituting the route calculated by the route calculating means, Insurance fee calculation means for calculating the insurance fee;
A car navigation device comprising: insurance fee notifying means for notifying the insurance fee on the route calculated by the insurance fee calculating means.   2. The car navigation device according to claim 1, wherein the map database stores at least one of a road type and the number of lanes as the road attribute information. The route calculation means calculates a plurality of routes to the destination,
3. The car navigation apparatus according to claim 1, wherein the insurance fee notifying unit includes a display control unit that displays an insurance fee for each route calculated by the route calculating unit on a display screen. The route calculation means includes
Calculating a plurality of routes to the destination based on a plurality of different search conditions,
The car navigation apparatus according to any one of claims 1 to 3, wherein the search condition includes a search condition that prioritizes low insurance premiums for automobile insurance. Route selection means for selecting a route to be guided from a plurality of routes displayed by the display control means;
5. The car navigation apparatus according to claim 3, further comprising route guidance means for guiding a route selected by the route selection means.   The said insurance fee information storage means contains the insurance fee per unit distance matched with the time slot | zone as said insurance fee information, and memorize | stores it. Car navigation device. Input means for inputting an insurance fee per unit distance associated with the road attribute information;
7. The car according to claim 1, wherein the insurance fee information storage unit stores an insurance fee per unit distance associated with the road attribute information input by the input unit. Navigation device.

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