JP2004219270A - On-vehicle navigation system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an on-vehicle navigation system which grasps request from user side more exactly, and decides on a destination. <P>SOLUTION: The on-vehicle navigation system performs guidance of a route, extending from the current position of a vehicle to the destination, is provided with a search means 10 which searches for a plurality of destinations according to a desired purpose, an information acquiring means 20 for acquiring narrowing-down information for each searched destination, and a decision means 30 for deciding a destination, based on the acquired narrowing-down information, and performs guidance of a route up to the destination decided. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an in-vehicle navigation device, and more particularly to an in-vehicle navigation device that determines a destination according to a purpose and provides route guidance to the determined destination.
[0002]
[Prior art]
2. Description of the Related Art In recent years, in-vehicle navigation devices mounted on vehicles to guide a route to a driver or the like have been actively developed.
[0003]
Until now, as a vehicle-mounted navigation device, a road map is displayed on a display based on map data stored on a display based on map data stored in a data file, and the current position is displayed on the displayed road map. When a destination is indicated or input from an attached input unit, route information to the destination is displayed on a display.
[0004]
Further, as an application thereof, a technology for automatically searching for and displaying a route to a nearest gas station when it detects that the gasoline remaining amount has become equal to or less than a certain value is disclosed in, for example, JP-A-2000-46573. Is shown in
[0005]
As described above, in the related art, when the state of the vehicle, for example, the gasoline remaining amount becomes a certain value or less, the shortest gas station is set as the destination from the current position of the vehicle, or a plurality of gas stations are searched. A technique has been developed that allows a user to select a desired gas station.
[0006]
[Patent Document 1]
Japanese Patent Application Laid-Open No. 2000-46573 [Patent Document 2]
JP-A-5-272983 [Patent Document 3]
JP-A-7-91972 [Patent Document 4]
JP-A-6-195594
[Problems to be solved by the invention]
However, in the related art, it is not always possible to determine a destination suitable for a user's request.
[0008]
In other words, if the shortest destination is determined, for example, if the destination is a gas station, it is not always possible to determine the oil company that normally uses the gas station, and the gas station with the cheapest gasoline fee within a predetermined range Can not be decided.
[0009]
Further, when the user determines a desired one from a plurality of displayed destination candidates, for example, when the destination is a gas station, each user has only information such as a gas station name and an address. It was not always possible to know exactly which gas station was the best for him, and to determine it.
[0010]
The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a vehicle-mounted navigation device that determines a destination by more accurately grasping a user's request.
[0011]
[Means for Solving the Problems]
The present invention relates to an in-vehicle navigation device for guiding a route from a current position of a vehicle to a destination, a search unit for searching a plurality of destinations according to a desired purpose, and narrowing down for each searched destination. An information acquisition unit for acquiring information and a determination unit for determining a destination based on the acquired narrowing information are provided, and a route to the determined destination is provided.
[0012]
According to the present invention, the narrowing-down information unique to each facility (destination) is obtained by the information obtaining means, and the destination can be determined by the determining means based on the information. Instead of using a facility near to the destination as a destination, it is possible to select a destination according to the user's desire and provide route guidance.
[0013]
According to one aspect of the present invention, the narrowing-down information is information individually acquired from each destination.
[0014]
According to the present invention, the narrowing-down information can be individually obtained from each destination. As a result, each destination can independently change and add unique information in real time.
[0015]
According to another aspect of the present invention, the narrowing-down information is information obtained from a management center that manages the narrowing-down information of each destination.
[0016]
According to the present invention, since the narrowing down information of each destination can be centrally managed by the management center, the information can be easily managed.
[0017]
The present invention further includes monitoring means for monitoring a vehicle state of the vehicle, and purpose determining means for determining the purpose according to the vehicle state, wherein the searching means determines the purpose according to the purpose determined by the purpose determining means. Search for a destination.
[0018]
According to the present invention, by providing the monitoring means for monitoring the vehicle state, the purpose is determined according to the state of the vehicle, and the destination is selected from the facilities corresponding to the purpose based on the narrowing information. it can.
[0019]
This allows the user to search for a destination according to the state of the vehicle while driving, without being aware of the state of the vehicle, and determine and guide the destination that meets the user's request based on the narrowing information. it can.
[0020]
According to one aspect of the present invention, the monitoring means monitors the gasoline remaining amount of the vehicle, and the purpose determining means sets the purpose to gasoline refueling when the gasoline remaining amount becomes equal to or less than a predetermined reference value. Determined, the search means searches the current position of the vehicle for gas stations that are within a reachable range with the current gasoline remaining amount, and the information obtaining means obtains a gasoline charge for each searched gas station. The determining means determines the gas station based on the distance from the current position of the vehicle to the searched gas station and the gas charge.
[0021]
According to the present invention, the monitoring means monitors the gasoline remaining amount of the vehicle, and when the gasoline remaining amount becomes equal to or less than the predetermined value, the purpose determining means determines the purpose to be gasoline refueling. Then, a predetermined gas station is searched by the search means, and the gasoline cost for each searched gas station is obtained by the information obtaining means. Further, the determining means determines a desired gas station from the obtained gasoline cost and the distance to the gas station, and provides route guidance.
[0022]
Thereby, without the user being aware of the gasoline remaining amount while driving, for example, in a vehicle-mounted navigation device, in consideration of gasoline cost and fuel efficiency within a predetermined range, a gas station with the lowest cost is automatically selected, Route guidance can be provided.
[0023]
Further, according to another aspect of the present invention, the monitoring means monitors an abnormal state of the vehicle, and the purpose determining means determines the purpose of the vehicle repair when an abnormality occurs in the vehicle, and performs the search. Means for searching for a repair shop existing within a predetermined range from the current position of the vehicle, the information obtaining means obtaining repair price information for each of the searched repair shops, and the determining means for determining the most Decide on a cheap repair shop.
[0024]
According to the present invention, the monitoring means monitors the abnormality of the vehicle, and when there is an abnormality, the purpose determining means determines the purpose to repair the vehicle. Then, the search means searches for the repair shop, determines the repair shop with the lowest repair cost by the determining means based on the repair price for each repair shop acquired by the information acquisition means, and provides route guidance.
[0025]
Thus, when an abnormality occurs in the vehicle, the user can be guided to a repair shop where the on-vehicle navigation device is the nearest and the repair cost is low, without being conscious of the abnormal state of the vehicle during driving.
[0026]
According to another aspect of the present invention, the desired destination is an accommodation facility, the narrowing-down information is an accommodation fee, and the determination means determines the accommodation facility with the lowest accommodation fee.
[0027]
According to the present invention, the search means can search for the inn first facility within the predetermined range, and, from the search facility, determine the accommodation facility with a low hotel charge as the destination and provide guidance.
[0028]
Further, the present invention includes a purpose input unit for inputting a desired purpose, and the search unit searches a plurality of destinations according to the input purpose.
[0029]
According to the present invention, a user can determine a purpose according to his / her desire and search for a destination according to the purpose.
[0030]
In addition, the present invention includes a reservation unit that reserves use of the destination determined by the determination unit.
[0031]
According to the present invention, since the reservation means can also make a reservation for use of the determined destination, for example, when the purpose is accommodation, it is possible to automatically reserve an accommodation facility by the enemy. It is possible to save the trouble of changing the location by using the method.
[0032]
BEST MODE FOR CARRYING OUT THE INVENTION
[First embodiment]
Hereinafter, a first embodiment of the present invention (hereinafter, referred to as a first embodiment) will be described with reference to the drawings.
[0033]
FIG. 1 is a block diagram of the in-vehicle navigation device according to the first embodiment. Search means 10 searches a plurality of destinations according to a desired purpose. Then, the information acquiring unit 20 acquires the narrowing-down information for each of the searched destinations, and the determining unit 30 determines the destination based on the narrowing-down information. Further, the route guidance means 40 performs route guidance according to the determined destination.
[0034]
Here, the desired purpose is, for example, gasoline refueling, eating and drinking, accommodation, entertainment, event participation, and the like.
[0035]
The narrowing-down information indicates characteristics of each facility other than the name and address of the facility, and is information used for narrowing down the destination based on the characteristics. For example, in the case of a gas station, the information includes gasoline charges, service contents, car accessories prices, and whether or not a restroom is used. In the case of accommodation facilities, the information includes accommodation charges and vacancy information. In addition, the information may be campaign information or discount information unique to each facility. As described above, since the determining unit 30 can determine the destination based on the unique information of the facility or the like acquired by the information acquiring unit 20, the route guidance to the destination more suitable for the user's request can be provided. it can.
[0036]
For example, if the user wants a gas station with the lowest gasoline cost within a predetermined range, the destination may be determined based on the obtained gasoline cost of each gas station with the narrowing-down information as the gasoline cost.
[0037]
Further, the narrowing-down information of each facility may be obtained from each facility by using radio or the like, or may be obtained from an information center that stores the narrowing-down information of each facility as data.
[0038]
Here, an implementation flow of the first embodiment will be described with reference to FIG.
[0039]
First, the search unit 10 searches for a plurality of destinations according to a desired purpose (S101). Then, the information acquiring unit 20 acquires the narrowing-down information for each of the searched destinations (S102), and the determining unit 30 determines the destination based on the narrowing-down information (S103). Further, the route guidance unit 40 performs route guidance according to the determined destination (S104).
[0040]
As described above, the determining unit 30 can determine the destination based on the facility-specific narrowing information acquired by the information acquiring unit 20, so that the route guidance to the destination more suitable for the user's request can be provided. it can.
[0041]
Further, as shown in the block diagram of FIG. 3, the user is provided with input means 50 for inputting the purpose each time, and the user decides the purpose himself, and obtains each narrowing-down information of the destination according to the purpose. Alternatively, the destination may be determined.
[0042]
As a result, the purpose can be determined by the user, and the facility to be selected can be determined based on the user's desired conditions (low cost, good service quality, during a campaign, etc.) as criteria. It can be determined on the device side.
[0043]
Therefore, when a plurality of facilities according to the purpose are searched, the apparatus can automatically determine based on the information unique to each facility without the user having to worry about which facility to select among them. it can.
[0044]
Further, as shown in the block diagram of FIG. 4, when a destination is determined, a reservation means 60 for making a reservation for use of the destination can be provided.
[0045]
Thereby, for example, when the purpose is accommodation, it is possible to make an accommodation reservation at the accommodation facility automatically determined.
[0046]
Therefore, the reservation can be made before heading to the destination, so that the waiting time can be shortened, and when the destination cannot be used due to full occupancy or the like, the trouble of re-searching again can be omitted.
[0047]
Also, if the purpose is to eat and drink, the time zone and conditions (cheapness, content of the dishes (Japanese food, Italian, French, etc.), purpose of use, etc.) are determined in advance, and when the time zone is reached, the conditions are set. A suitable restaurant may be automatically selected and route guidance may be provided.
[0048]
In addition, according to the present invention, the route guidance to the destination is automatically performed without any user's intention depending on the setting of the navigation device. If the route guidance is not desired, the route guidance is released. A means for performing this may be provided.
[0049]
At this time, the user who is driving for safety makes the operation inoperable and can be released only from the passenger seat side.For example, only when the navigation device is turned to the passenger seat side during normal driving, an operation such as release is performed. It is desirable to make settings so that
[0050]
[Second embodiment]
Subsequently, a second embodiment (hereinafter, embodiment 2) of the present invention for determining a desired purpose based on a vehicle state will be described with reference to the drawings.
[0051]
FIG. 5 is a block configuration diagram of the vehicle-mounted navigation device according to the second embodiment. The monitoring means 70 is a means for monitoring the state of the vehicle. Based on the vehicle state information obtained by monitoring, the purpose determining means 80 determines the purpose desired or to be desired by the user. Then, according to the determined purpose, the search unit 10 searches for the destination. The following is the same as in the first embodiment, and a description thereof will be omitted.
[0052]
Here, the vehicle state information is, for example, warning information of each vehicle failure such as a gasoline remaining amount warning, an engine, a timing belt, charging, exhaust temperature, and the like.
[0053]
In the case of a gasoline remaining amount warning, the purpose is determined to be gasoline refueling, and in the case of an engine or other failure warning, the purpose is determined to be vehicle repair.
[0054]
Further, according to the determined purpose, the information obtaining means 20 obtains gasoline cost information of each gas station, and information such as vehicle repair cost and parts cost of each repair shop. Decide a facility that does not cover as a destination.
[0055]
In this way, according to the desired purpose, rather than merely selecting the gas station or the repair shop closest to the current location of the vehicle, the destination is selected based on conditions such as low cost and good service quality. be able to. Therefore, it is possible to determine a destination which is more desired by the user and provide route guidance.
[0056]
Here, an implementation flow of the second embodiment will be described with reference to FIG.
[0057]
First, the monitoring means 70 monitors the state of the vehicle (S201), and the purpose determining means 80 determines the purpose based on the vehicle state information obtained by monitoring (S202).
[0058]
The search unit 10 searches for a plurality of destinations according to the determined purpose (S203). Then, the information acquiring unit 20 acquires the narrowing-down information for each of the searched destinations (S204), and the determining unit 30 determines the destination based on the narrowing-down information (S205). Further, the route guidance means 40 performs route guidance according to the determined destination (S206).
[0059]
In this way, the purpose determining means 80 determines the purpose according to the vehicle state monitored by the monitoring means 70, and the determination is performed based on the specific information of each destination acquired by the information acquiring means 20 according to the purpose. Means 30 can determine the desired destination.
[0060]
Therefore, according to the state of the vehicle, it is possible to select not only a nearby gas station or a repair shop but also information based on information unique to each facility, so that a destination that is more desired by the user can be selected. Decide and guide the route.
[0061]
【The invention's effect】
According to the present invention, the information acquisition means acquires the specific narrowing-down information of each facility or the like (destination), and the destination can be determined by the determination means based on the information. Rather than simply setting the facility near the vehicle as the destination, it is possible to select a destination according to the user's desire and provide route guidance.
[0062]
In addition, by acquiring the narrowing-down information individually from each facility or the like, each facility can update and add its own information (campaign information, product price, usage status, etc.) in real time.
[0063]
On the other hand, the narrowing-down information of each facility or the like may be managed by the management center, and the narrowing-down information may be obtained from the management center. This facilitates information management.
[0064]
In addition, by providing monitoring means for monitoring the state of the vehicle, the purpose can be determined according to the state of the vehicle, and the destination can be selected from facilities corresponding to the purpose based on the narrowing information.
[0065]
Thus, the user can be automatically guided without being aware of the state of the vehicle while driving, for example, to a gas station having the lowest gasoline cost within a predetermined range or a repair shop having a low cost and a good service quality. it can.
[0066]
The provision of the reservation means enables not only route guidance to the destination but also automatic reservation of facilities at the destination. Thereby, for example, when the purpose is accommodation, it is also possible to automatically reserve accommodation facilities, so that it is possible to save the trouble of changing places when rooms are fully occupied or the like.
[Brief description of the drawings]
FIG. 1 is a block diagram of a vehicle-mounted navigation device according to a first embodiment.
FIG. 2 is an implementation flowchart in the first embodiment.
FIG. 3 is a block diagram of the in-vehicle navigation device according to the first embodiment having additional functions.
FIG. 4 is a block diagram showing a configuration in which the vehicle-mounted navigation device according to the first embodiment has another additional function.
FIG. 5 is a block configuration diagram of a vehicle-mounted navigation device according to a second embodiment.
FIG. 6 is an implementation flowchart according to a second embodiment.
[Explanation of symbols]
10 search means, 20 information acquisition means, 30 determination means, 40 route guidance means, 50 input means, 60 reservation means, 70 monitoring means, 80 purpose determination means.

Claims (9)

An in-vehicle navigation device for guiding a route from a current position of a vehicle to a destination,
Searching means for searching for a plurality of destinations according to a desired purpose;
Information acquisition means for acquiring narrowing information for each searched destination;
Determining means for determining a destination based on the obtained narrowing information;
With
An in-vehicle navigation device for guiding a route to a determined destination. The in-vehicle navigation device according to claim 1, wherein
The on-vehicle navigation device, wherein the narrowing-down information is information individually acquired from each destination. The in-vehicle navigation device according to claim 1, wherein
The in-vehicle navigation device, wherein the narrowing information is information obtained from a management center that manages the narrowing information of each destination. The in-vehicle navigation device according to any one of claims 1 to 3,
Monitoring means for monitoring the vehicle state of the vehicle,
Purpose determining means for determining the purpose according to a vehicle state,
With
The in-vehicle navigation device, wherein the search unit searches for a destination according to the purpose determined by the purpose determination unit. The in-vehicle navigation device according to claim 4, wherein
The monitoring means monitors the gasoline remaining amount of the vehicle,
The purpose determining means determines the purpose to gasoline refueling when the gasoline remaining amount is equal to or less than a predetermined reference value,
The search means, from the current position of the vehicle, to search for gas stations that are in a range reachable with the current gasoline remaining amount,
The information obtaining means obtains gasoline charges for each searched gas station,
The in-vehicle navigation device according to claim 1, wherein said determining means determines a gas station based on a distance from a current position of the vehicle to a gas station searched for and a gasoline cost. The in-vehicle navigation device according to claim 4, wherein
The monitoring means monitors an abnormal state of the vehicle,
The purpose determining means, when an abnormality occurs in the vehicle, determines the purpose to repair the vehicle,
The search means searches for a repair shop located in a predetermined range from the current position of the vehicle,
The information acquisition means acquires repair price information for each searched repair shop,
The on-vehicle navigation device, wherein the determining means determines a repair shop having the lowest repair fee. The in-vehicle navigation device according to any one of claims 1 to 3,
The desired destination is an accommodation facility, and the narrowing-down information is a room rate,
The in-vehicle navigation device, wherein the determining means determines an accommodation facility having the lowest accommodation fee. The in-vehicle navigation device according to any one of claims 1 to 3,
A purpose input means for inputting a desired purpose,
The navigation device according to claim 1, wherein the search unit searches a plurality of destinations according to the input purpose. An in-vehicle navigation device according to any one of claims 1 to 8,
An in-vehicle navigation device comprising a reservation unit for making a reservation for use of the destination determined by the determination unit.

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