JPH0632159B2 - Vehicle driving route display device - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle traveling route display device capable of inputting a plurality of destinations with priorities, and particularly to a vehicle approaching or passing a destination. The present invention relates to a vehicle traveling route display device that erases a destination mark that has already passed and changes the direction of an arrow that indicates the direction of the next destination displayed on the display unit.

(Background of the Invention) Various traveling display devices for vehicles have been proposed that reliably guide the traveling of a vehicle by displaying a traveling locus on a surface screen displaying a road map of a traveling area.

If a plurality of prioritized destinations are input to such a traveling display device and the destinations are sequentially followed, a kind of route guidance can be performed. Also, if an arrow indicating the direction to the destination is displayed on the screen, such route guidance becomes smooth.

(Problems to be solved by the invention) However, in the former case, if the destination mark is displayed on the display screen even after passing through the destination at the intermediate point, the display is complicated and the final There was a risk of mistaking the destination.

In the latter case, an arrow to the next destination cannot be shown unless it is determined that the vehicle has passed or confirmed one destination, and such a function cannot be achieved.

An object of the present invention is to determine whether a vehicle is approaching a destination or have passed, to erase a destination mark that has already passed, or to indicate the direction of the next destination displayed on the display unit. An object of the present invention is to provide a traveling route display device for a vehicle, which can change the direction of the arrow and guide the route easily and smoothly.

(Means for Solving Problems) In order to achieve the above-mentioned object, a vehicle travel route display device according to the present invention is a vehicle position detection unit for detecting the position of a vehicle currently traveling, and a road map of a traveling area. Is stored in the map storage unit, an operation unit for setting a final destination and an intermediate destination on the route, a road map based on the data stored in the map storage unit, and the vehicle position detection unit. Display that displays a vehicle position mark based on the signal detected by the vehicle, each destination mark based on the signal set by the operation unit, and a destination direction mark indicating the direction from the vehicle position to the next destination. Part, and when the vehicle position is closer to the next destination by a certain distance, the destination direction mark is changed to further point to the next destination, and the vehicle passes through the destination and the certain distance is changed. Only when you are away From a processing unit that outputs a signal for erasing the passed destination mark, and a display control unit that changes the direction of the destination direction mark of the display unit and erases the passed destination mark by a signal from the processing unit. It is configured.

(Examples) Hereinafter, the present invention will be described in detail with reference to the drawings and the like.

FIG. 1 is a block diagram showing an embodiment of a vehicle traveling route display device according to the present invention, FIG. 2 is an external view showing the embodiment device, and FIG. 3 is a display section of the embodiment device. It is the figure which showed the example of a display of.

In FIG. 1, 1 is a vehicle position detection unit, 2 is a key operation unit, 3 is a processing unit, 4 is a display control unit, 5 is a map database, and 6 is a display unit.

The vehicle position detection unit 1 is for detecting the current position of the vehicle in which this device is installed, and includes a geomagnetic sensor,
It is composed of a vehicle speed sensor, GPS, etc., and its output is connected to the processing unit 3.

The key operation unit 2 is operated by a switch as shown in FIG.
It is an operation unit for displaying the traveling route, and its output is
It is connected to the processing unit 3. In FIG. 2, 21 is a destination switch, 22 is a set switch, 23 is a name switch, 24 is an enlargement / reduction switch, 25 is a cursor switch, 26 is a rotation switch, 27 is a pass & cancel switch, 28 is an indicator switch, 29. Is an iR switch.

The destination switch 21 is a switch that is pushed first when the destination is input, and this is the destination input mode. Press the destination switch 21 to enter the destination input mode, select the desired map with the iR switch switch 29, select the destination with the cursor switch 25, and then press the set switch 22 to input one destination. Is completed. When the name switch 23 is pressed, the name of the intersection in the name display area of the display unit 6 is shown. When the enlargement / reduction switch 24 is pressed, the map level displayed on the display unit 6 is changed and the map can be enlarged or reduced. In the destination input mode, the cursor switch 25 displays a desired map, and then the switch 25 moves the crosshair cursor up, down, left and right to bring it to the destination position. In this embodiment, according to the movement of the current location,
The map has a scroll function for moving up, down, left, and right, and also has a function for rotating the map. To select this function by the driver, the rotation switch 26 selects whether or not the map can be rotated. Pass & cancel switch 2
Reference numeral 7 is a switch used to delete the input destination. It should be noted that this destination can be set up to 5 places at maximum.

The processing unit 3 is for making a destination confirmation determination, a passage determination, and the like according to the flow chart shown in FIG. 4 described later.

In response to the command from the processing unit 3, the display control unit 4 changes the arrow displayed on the display unit 6 and deletes the passed destination mark.

The map database 5 is for storing a road map of a traveling area, and is composed of an internal ROM, a CDROM and the like.

The display unit 6 is composed of a CRT or the like, and displays as shown in FIG. In FIG. 3, 61 is a current position mark, 62 is a locus, 63 is an intersection name, 64 is a national road number, 6
5 is a destination direction mark, 66 is a destination mark, and 67 is a remaining distance display.

The current position mark 61 is indicated by an arrow and simultaneously indicates the position and direction of the vehicle. The locus 62 displays the path taken by the vehicle over the past 1.5 km from the present location. Intersection name 63
When the name switch 23 is pressed, the intersection name in the name display area shown by the broken line in FIG. 3 is displayed outside the name display area with a leader line. The broken line is not displayed on the actual screen. The national highway number 64 is shown by enclosing the national highway number in a square. The destination direction marks 65 are shown in the order of destination input, such as. The remaining distance display 67 indicates the distance between the current position and the next destination by a straight line distance.

Next, the operation of the embodiment of the vehicle traveling path display device according to the present invention will be described, focusing on the operation of the processing unit 3.

FIG. 4 is a flow chart for explaining the operation of the processing unit used in the vehicle traveling route display device according to the present invention, and FIG. 5 is a diagram showing a display example of the embodiment device.

Here, as shown in FIG. 5, the first destination 66 indicated by
Consider the case where the second destination 66b indicated by a is set.

The processing unit 2 takes in the own vehicle position from the own vehicle position detection unit 1 (101), calculates the distance between the own vehicle position and the destination (102), and the distance to the destination is constant. The operation is repeated until it is within the range (103). At this time, the fifth
As shown in FIG. (A), the destination direction mark 65 indicates the first destination 66a.

As shown in FIG. 5 (b), when the distance to the destination is within a certain distance, it is judged that the destination has been confirmed (104), and the next target is displayed to the display control unit 4. Issue a command to issue an arrow indicating the direction to the ground (10
5). At this point, the first destination mark 66a indicated by is not erased.

Further, as the vehicle travels, the processing unit 2 takes in the own vehicle position from the own vehicle position detection unit 1 (106), calculates the distance between the own vehicle position and the destination (107), and reaches the destination. The operation is repeated until the distance is over a certain distance (10
8).

As shown in FIG. 5 (c), when the processing unit 2 determines that the destination has been passed, the processing unit 2 passes the next destination to the display control unit 4 as the calculation target (109). Issue a command to erase the destination mark (11
0), the first destination mark 66a indicated by in the display unit 6
Is erased.

(Effects of the Invention) As described in detail above, according to the present invention, the direction of the next destination is indicated after the destination is confirmed, so that the driver can smoothly guide the route. became.

Further, since the destination mark which has already passed is erased, the destination which has not passed can be made clear.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of a vehicle traveling route display device according to the present invention, FIG. 2 is an external view showing the embodiment device, and FIG. 3 is a display section of the embodiment device. It is the figure which showed the example of a display of. FIG. 4 is a flow chart for explaining the operation of the processing unit used in the vehicle traveling route display device according to the present invention, and FIG. 5 is a diagram showing a display example of the embodiment device. 1 ... Own vehicle position detection unit, 2 ... Key operation unit 3 ... Processing unit, 4 ... Display control unit 5 ... Map database, 6 ... Display unit

Claims (1)

[Claims] 1. A vehicle position detection unit for detecting the position of a vehicle currently traveling, a map storage unit storing a road map of a traveling region, a final destination and an intermediate destination on a route are set. An operation unit, a road map based on the data stored in the map storage unit, a vehicle position mark based on a signal detected by the vehicle position detection unit, and a signal based on a signal set by the operation unit. A display unit that displays a destination mark and a destination direction mark that indicates the direction from the vehicle position to the next destination, and when the vehicle position approaches the next destination by a certain distance. A processing unit for changing the destination direction mark to further point to the next destination and outputting a signal for erasing the passed destination mark when passing through the destination and leaving a certain distance; By the signal from the department Change of direction and passes through the vehicular travel path display apparatus configured from a display control unit for erasing the destination mark of the destination direction mark display portion.