JPH08297032A - Data display device of vehicle - Google Patents

Abstract

PURPOSE: To obtain a data display apparatus of a vehicle which can easily confirm an object such as a building or the like as the destination. CONSTITUTION: The apparatus has a calculating means 31 which calculates the distance from a position of a vehicle detected by a navigation system main body 1 and an object and the azimuth angle on a map data, and a distance- measuring means 20 which actually measures the distance from the vehicle to the object at a calculated azimuth angle. A comparing means 32 compares the calculated distance by the calculating means 31 and the actually measured distance by the measuring means 20. When the distances agree with each other, it is so judged that a person a board the vehicle can see the object, and accordingly, the person in the vehicle is informed of a predetermined data related to the object by informing means 14, 15.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle information display device for displaying information detected by a vehicle position detecting means such as a navigation system provided in a vehicle.

[0002]

2. Description of the Related Art In conventional navigation systems, it is well known that information on specific buildings such as schools and post offices is also displayed on a display on map information. Some have a function of displaying the unique name of an object together, or a function of searching and displaying guidance and description of these buildings by a search function.

Further, as a navigation system for displaying information in the vicinity of a destination more finely, there is one disclosed in Japanese Patent Application Laid-Open No. 5-113750.
In this navigation system, when the distance to the destination approaches a predetermined distance, the map displayed on the display is switched from a road map to a so-called residential map, and the unique name of the building is displayed in more detail.

[0004]

However, in such a navigation system, although the proper name of a building or the like is displayed on the display, a large amount of information not required by the passenger is also displayed, and the target building is displayed. There is a problem that the passenger must frequently compare the display and the outside scenery in order to confirm the object.

Further, when the only passenger is the driver, the driver has to look at the display and check the display. However, in order to make the check, it is necessary to continue watching the display for a certain time, and the vehicle is It is not preferable to have the driver perform the confirmation work while the vehicle is traveling in order to ensure safety during traveling.

The present invention has been made in view of the above problems, and an object of the present invention is to provide an information display device for a vehicle capable of easily confirming a target object such as a building. .

[0007]

In order to achieve the above object, in the vehicle information display device according to the present invention, the map information and the predetermined information of the object such as a building or a tourist spot on the map information are provided. Among the objects recorded in the recorded information recording means, the object determining means determines an object visible to the passenger riding in the vehicle at the vehicle position detected by the vehicle position detecting means. Then, the information of the visible object which is judged to be visible by the object judging means is notified to the passenger who has boarded the vehicle by the notifying means. As a result, only the information of the target object in the field of view of the passenger is notified, so that the target object can be easily confirmed even while the vehicle is traveling.

[0008] Here, the calculating means for calculating the distance and the azimuth angle from the vehicle position detected by the vehicle position detecting means to the object on the map information, and the object (visually observable object) from the vehicle at the calculated azimuth angle. Object) from the distance measuring means for actually measuring the distance to the object) and the comparing means for comparing the calculated distance of the calculating means and the actually measured distance of the distance measuring means and for notifying by the notifying means. You may comprise an object judgment means.

In the information display device for a vehicle constructed as above, when the distance to the object is measured by the distance measuring means, the object is present at a position visible to a passenger on the vehicle. You can see that Then, when the calculated distance matches the actually measured distance, it is determined that the actually measured object and the calculated object are the same object. It is possible to easily determine whether or not it can be visually observed.

If there is a difference between the position measured by the distance measuring means in the vehicle and the position of the line of sight of the passenger on the vehicle, the correction means for correcting the position of the line of sight of the passenger by matching the measured position of the distance measuring means. You may comprise so that it may have. According to the information display device of the vehicle configured as described above, even if the height or the position in the left-right direction where the measuring means is arranged in the vehicle is different from the height of the line of sight or the position in the left-right direction of the occupant, they are substantially the same Therefore, it is possible to accurately determine whether or not the object is a visible object, and it is also possible to expand the degree of freedom of the accurate position, which interferes with driving by the measuring means and affects the performance of the vehicle. Never give.

Also, the information display device of the vehicle is configured to have the object specifying means for specifying the object recorded in the information recording means, and only the object specified by the object specifying means is judged as the object. You may make it judge by a means. According to the information display device of the vehicle configured as described above, since only the required object can be selected in advance, the amount of information to be notified to the passenger can be limited, and the desired object can be more easily Confirmation can be done.

Further, as the object identifying means, a voice recognition system for identifying the object by recognizing the voice of the passenger may be used. According to this structure, even if the passenger is driving, the target object can be checked without hindering the driving.

Further, the information of the visible object to be notified to the occupant by the notifying means may be the unique name of the object. More easily understood to passengers.

Further, the notifying means may be constituted by a voice notifying means for notifying the information of the visually observable object by voice, and according to the information display device of the vehicle configured as described above, the vehicle is driving. Also notifies the information of the visible object without hindering driving.

Further, information display means such as a so-called display is used as the notification means, and information such as a visible object is recorded on the display in the vehicle position detected by the vehicle position detection means and the information recording means. The map information and the predetermined information of other objects may be displayed together. According to the information display device of the vehicle configured as described above, it is possible to more accurately obtain the information of the visible object.

When the information of the visible object and the information of other objects are displayed at the same time, not only a display indicating that the visible object is visible is added, but the visible object is also visible. It is desirable to change the display method of the information of the object and the information of other objects.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described below with reference to the drawings. First, a vehicle information display device 1 according to the present invention will be described with reference to FIG. The information display device 1 for a vehicle is a CD-R in which a navigation system body 11 arranged in the vehicle and map information and predetermined information of a building (object) such as a post office or a school are recorded.
An OM (information recording means) 12, an information reproducing section 13 for calling the information recorded in the CD-ROM 12, a display 14 for displaying map information and the like, a voice guidance speaker 15 for producing a voice, and a navigation. An operation unit 16 for operating the system 11 and the like, an object specifying unit 17 for specifying a building recorded in the CD-ROM 12,
It comprises a distance measuring means 20 for actually measuring the distance of the object, a measuring means operating mechanism 25 for changing the measuring direction of the distance measuring means 20, and a controller 30 for controlling the operation of each of these means.

As the navigation system body 11, there are a high precision gas rate sensor type navigation system, a GPS type navigation system, a geomagnetic sensor type navigation system, an inertial navigation type navigation system and the like, and any of these may be used. Alternatively, these may be used in combination.

As shown in FIG. 2, the distance measuring means 20 is composed of a base 21 and a light emitting portion 22 and a light receiving portion 23 arranged on the base 21, and is arranged on the outer upper surface of the roof of the vehicle 2. It is set up. In the distance measuring means 20, the light emitted from the light emitting portion 22 is reflected by the object and the light receiving portion 23
The distance to the object can be measured by measuring the time required to receive light. Further, the base 21 is configured to be horizontally turnable with respect to the vehicle 2 by a measuring means operating mechanism (not shown in FIG. 2) 25, and a turning angle can be changed when measuring a distance. Is configured.

Next, the operation of the vehicle information display device 1 thus constructed will be described with reference to FIGS. First, FIG. 3 shows a vehicle information display device according to the present invention.
The display contents are displayed on the display 14 when used as a so-called ordinary navigation system.

In this case, the screen 141 of the display 14
The vehicle position information 142 detected by the navigation system body 11 is displayed on the top. In the own vehicle position information 142, the current position of the own vehicle is circled 14
2a, and the traveling direction 142b of the vehicle is represented by an arrow. Further, on the screen 141, the map information and the building information stored in the CD-ROM 12 are displayed in an overlapping manner with the vehicle position information 142. In addition, in this embodiment, the school 143, the post office 144, and the two temples 145 and 146 are displayed as the building information.

Then, for example, the destination is the temple 146 on the right side.
When set to 1, the voice for guidance is emitted from the voice guidance speaker 14 so that the vehicle can travel to the destination. The destination is set by the passenger of the vehicle 2 operating the operation unit 16. Since the configuration and operation when used as another general navigation system is known, a detailed description thereof will be omitted here.

Next, a case will be described in which it is determined whether or not the target object is a visible target object. For ease of explanation, a case in which the target target object is specified will be described. . When the object is the temple 146, the screen 14
1 is specified as a target object by moving a cursor (not shown) displayed above 1 onto the temple 146 and then performing a click operation of a switch in the operation unit 16, or is given to the temple 146 in advance. You can identify it by entering the code number.

After the object is specified, as shown in FIG. 4, the distance L1 from the position P1 of the vehicle on the map information to the temple 146, which is the object, and the straight direction S of the vehicle.
The azimuth angle θ with respect to 1 is calculated by the calculation means 51 provided in the controller 50.

Next, as shown in FIG. 5, the distance measuring means 20 provided in the vehicle 2 is set in the straight traveling direction S2 of the vehicle,
The azimuth angle θ is the same as the calculated azimuth angle θ. Then, the object (temple) A at that azimuth angle θ
The distance L2 up to is measured.

Then, the distance L1 calculated by the comparison means 32 provided in the controller 30 is compared with the actually measured distance L2. Here, if L1 and L2 are equal, it is determined that the temple 146 specified on the map and the measured temple A are the same, and it is determined that the temple A is visible from the vehicle 2. To be done.

As a result of comparison by the comparison means 32, when L2 is larger (longer distance) than L1, the actually measured object A is located farther than the position where the temple 146 should exist. It is a different building, and it can be determined that the temple 146 specified on the map does not actually exist. Further, when L2 is smaller than L1, it is determined that there is an obstacle such as another building between the temple 146 on the map and the vehicle 2, and the target temple 146 is determined from the position of the vehicle. I can't see it.

The result of each of the above judgments is notified to the driver by voice from the voice guiding speaker 14.
The content to be informed is the name of the specified temple 146 CD-
The specific attributes recorded in the ROM 12 as well as the result calculated by the calculating unit, the result actually measured by the distance measuring unit 20, and the like. For example, "100 diagonally forward right
The m building is XX temple. Is announced by voice.

As a result, the driver can recognize by voice that the target temple 146 is located at a visually recognizable position, so that the target temple 146 can be specified while comparing the map (display 14) with the outside scenery. Since it is not necessary to carry out, the destination can be found safely and smoothly.

As described above, the comparison means 32 may determine that L1 and L2 are the same when L1 and L2 are the same, but the detection error of the navigation system body 11 and the measurement error when measuring the distance are taken into consideration. And then L1 and L
It is preferable to determine that they are the same when the difference between the two values is within a predetermined range.

Further, in the above embodiment, the distance to the object is measured by the distance measuring means 20 arranged on the roof of the vehicle 2, but the present invention is not limited to this. Instead, the light emitting unit 122 and the light receiving unit 123 may be attached to the side facing the outside of the room mirror 121 so that the light emitting unit 122 and the light receiving unit 123 can be operated left and right.

Further, a measuring means arranging portion 221 is formed in front of the dashboard, and a light emitting portion 222 and a light receiving portion 223 which are freely rotatable in the left and right direction are arranged on the measuring means arranging portion 221. You may

When the distance measuring means 20 is mounted on the roof of the vehicle 2, the front, rear, left and right sides of the vehicle 360
It is possible to measure the distance to the object in the direction of °, but in the case of the distance measuring means 120, 220, the vehicle 2
Only the measurements in front of can be taken.

Further, each of the above distance measuring means 20, 12
In 0 and 220, the measuring means actuating mechanism 21 or the like is configured to be capable of turning in the horizontal direction (around the Z axis), but it is possible to undulate each distance measuring means 20, 120 and 220 in the vertical direction. The distance measuring means 20,
After turning 120 and 220 horizontally, a slight undulating operation may be performed. As a result, the vehicle 2
Even if there is an obstacle with a low height (a little higher than the height of the roof of the vehicle) between the temple and the temple 146, the distance to the obstacle is not measured.

In the above embodiment, the visual object is displayed by voice, but the present invention is not limited to this, and the specified temple 14 is used.
It is also possible to emphasize only the display of No. 6 and display it on the screen 141. For example, as shown in FIG. 6, the symbol of the temple 146 is reversed, the color is changed, and blinking is performed.
You may make it display a part of information of other target objects (for example, the outer shape of a building etc.).

As a result, the driver and other passengers can see the screen 1
It is possible to confirm the target temple by just looking at the screen for a short time without comparing 41 with the outside scenery many times and confirming whether or not the temple visible outside is the target temple.

Further, there may be a large difference between the height of the line of sight of the driver and the measured height of the distance measuring means 20 or the like depending on the vehicle type and the installation position of the distance measuring means 20 or the like. For example,
If the height of the distance measuring means 20 and the like is higher than the height of the line of sight of the driver, even if the distance measuring means 20 and the like can identify the target object, the driver cannot see the target object visually. There are cases. If the height of the distance measuring means 20 or the like is lower than the height of the line of sight of the driver, the distance measuring means 20 or the like should identify the object even if the driver can see the object. May not be possible.

Therefore, in the vehicle information display device according to the present invention, the measurement position (height) by the distance measuring means 20 or the like is corrected according to the height of the line of sight of the passenger. As shown in FIG. 7, this correction is performed by the calculation means 31 by the difference H between the height of the measurement line V2 and the height of the occupant's line of sight V1 when the distance measurement means 20 is in a horizontal state, which is obtained in advance. Based on the calculated distance L1, the correcting means 33 of the controller 50 causes the measuring means operating mechanism 21 to operate.
Of the distance measuring means 20 on the object A to be measured is performed.
And the height of the driver's line of sight V1 are made substantially equal.

In the above embodiment, the case where the measurement position of the distance measuring means 20 and the like and the position of the line of sight of the passenger are separated in the vertical direction (height direction) has been described, but there is a difference in the horizontal direction. In some cases, the turning azimuth angle may be corrected.

In the present invention, not only the switches that operate the switches provided on the operation unit 16 using the passenger's hands (fingers) but also the operation control signals are transmitted by recognizing the passenger's voice. It may be configured to be performed by a voice recognition system for performing. As a result, various operations can be performed even while the vehicle is driving, without impairing the driving.

Further, in the above embodiment, the CD-
One building is specified from the various buildings recorded in the ROM 12 and it is determined whether or not the building is visible, but the present invention is not limited to this. Of course, the passenger may be notified of all the buildings that are judged to be visible. Even in the case of such a configuration, since the display 14 or the like does not display a building invisible to the passengers, it is possible to easily identify a desired building and recognize the position of the own vehicle. You can

In the case of displaying a visible building in all directions of the vehicle 2, the distance measuring means 20 may be configured to be freely rotatable, but a plurality of distances can be measured in each direction. You may comprise so that a means may be provided.

Further, the distance measuring means is not limited to the one that uses light for the above-mentioned purpose, and the distance to the object can be measured in a contactless manner such as a distance measuring means that measures using radio waves. Any measuring means capable of measuring can be used.

[0044]

As described above, according to the vehicle information display device of the present invention, at the vehicle position detected by the vehicle position detecting means, the object recorded on the information recording means is selected from among the objects recorded on the vehicle. The boarding passenger determines a visible object by the object judging means, and informs the passenger of the information of the object judged to be visible by the notifying means. As a result, the driver can easily search for the target object by looking at the outside scenery at the time of receiving the notification about the desired target object (destination), and when searching for the target object, it is recorded in the information recording means. Since there is no need to frequently compare the information of the target object with the outside scenery, it does not hinder driving.

Here, the distance to the object on the map information and the distance actually measured by the distance measuring means arranged on the vehicle are compared at the same azimuth angle, and when the comparison result is coincident, the notification is made. You may make it notify by means. With this configuration, when the distance to the object is actually measured by the distance measuring means, it can be determined that the object is visible to the vehicle, and the distances match. In this case, it is possible to easily determine that the object on the map information and the actually measured object are the same object.

If there is a difference between the height of the measuring means in the vehicle and the height of the line of sight of the occupant, the correcting means corrects the heights of the two. This allows
The degree of freedom of the position where the distance measuring means is arranged can be increased. Further, only the object specified by the object specifying means may be configured to be judged by the object judging means, and in such a case, only the necessary object can be selected in advance. Therefore, the amount of information notified to the passenger can be reduced, and the desired object can be more easily grasped.

Furthermore, various operations, identification of an object, and notification by the notification means may be configured to be performed by voice. In such a configuration, it is easy even if the passenger is driving. In addition to being able to perform various operations,
It is possible to grasp the information of the object without disturbing the driving operation.

Further, the information of the visible object to be notified to the passenger by the notification means may be the unique name of the object. The passengers can be more easily understood. Further, information display means such as a so-called display may be used as the notification means, and the display may be configured to display the information of the visible object, the vehicle position, the map information, etc., in the case of such a configuration. In addition, it is possible to more accurately grasp the information of the visible object.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a vehicle information display device according to the present invention.

FIG. 2 is a perspective view of a vehicle provided with the information display device for the vehicle.

FIG. 3 is a front view showing a display example of a display in the information display device of the vehicle.

FIG. 4 is a front view showing an example of a positional relationship between a vehicle position and a specific object on the display.

FIG. 5 is a schematic diagram showing a situation in which a distance to an object is actually measured in the information display device of the vehicle.

FIG. 6 is a front view showing a display example of a display in the information display device of the vehicle.

FIG. 7 is a side view showing a state where a correction operation is performed by the distance measuring device in the information display device of the vehicle.

[Explanation of symbols]

 1 Vehicle Information Display Device 2 Vehicle 12 CD-ROM (Information Recording Means) 15 Voice Guidance Speakers 20, 120, 220 Distance Measuring Means

Claims (8)

[Claims] 1. A vehicle position detecting means for detecting a vehicle position, an information recording means for recording map information and predetermined information of an object such as a building or a tourist spot on the map information, and the information recording means. Of the recorded objects, an object determination means for determining an object visible to a passenger who has boarded the vehicle at the vehicle position detected by the vehicle position detection means; An information display device for a vehicle, comprising: a notification means for notifying the passenger of information on a visible object determined to be possible. 2. The calculation for calculating the distance and the azimuth angle from the vehicle position detected by the vehicle position detecting means to the object on the map information recorded in the information recording means by the object determining means. Means, distance measuring means disposed in the vehicle, for actually measuring a distance from the vehicle to the visible object at the same azimuth angle as the azimuth angle with respect to the object calculated by the calculating means, The comparison means for comparing the distance calculated by the means with the distance actually measured by the measuring means, and for making a notification by the notifying means when these distances match each other. The vehicle information display device described. 3. When there is a difference between the measurement position of the distance measuring device and the line of sight of the passenger, a correction device is provided for correcting the measurement position of the distance measuring device according to the line of sight of the passenger. The information display device for a vehicle according to claim 2, wherein: 4. An object specifying unit for specifying an object recorded in the information recording unit, wherein the object judging unit judges only the object specified by the object specifying unit. The information display device for a vehicle according to claim 1 or 2, which is characterized. 5. The information display device for a vehicle according to claim 4, wherein the object identifying means is a voice recognition system that identifies the object by recognizing a voice of the passenger. . 6. The vehicle information according to any one of claims 1 to 5, wherein the information of the visible object that is notified to the passenger by the notification means is a unique name. Display device. 7. The information display device for a vehicle according to claim 1, wherein the notifying unit is a voice notifying unit that notifies the information of the visually observable object by voice. 8. The notifying means includes the vehicle position detected by the vehicle position detecting means, the map information and predetermined information of the object recorded in the information recording means, and the object determining means. 7. The information display device for a vehicle according to claim 1, wherein the information display means is capable of displaying the determined information on the visible object in an overlapping manner.