JPH0760476B2 - Vehicle information display device - Google Patents

Description

The present invention relates to a vehicle information display device for outputting and displaying map information and information regarding electronic devices mounted on a vehicle on a display device.

[Conventional technology]

Recently, a vehicle navigation device has been researched and developed in which map information is recorded on a CD-ROM or the like, and the map information is read out and displayed on a display device together with the current location of the vehicle to guide the vehicle to a predetermined destination. . Such a conventional device is
For example, when there is a predetermined facility such as a hotel, a parking lot, a gas station, a car dealer, etc., the name and the like are displayed on a display device in the vicinity of the location along with the road for convenience of the driver.

[Problems to be solved by the invention]

However, since the conventional device displays only so-called map information including various facilities, the electronic equipment such as the TV tuner, AM, FM tuner, car stereo, and navigation device installed in the vehicle is abnormal. However, I could not inform the driver of it. Also, the vehicle is equipped with warning lamps that warn the driver of abnormalities such as lack of oil, half-doors, and broken headlamps, but these have only the function of notifying the result of the abnormality. Therefore, it was not possible to inform the operator of more detailed information regarding the cause of the abnormality.

[Means for solving problems]

In order to solve the above-mentioned problems, the present invention relates to a vehicle that digitizes information, stores it in a predetermined storage medium, displays the information read from the storage medium and converted into an image signal on a display device. In the information display device, as the information,
The abnormality notification information regarding the cause of the abnormality of each of the plurality of control target devices mounted on the vehicle is prepared, and the entire block diagram including blocks corresponding to the plurality of control target devices is displayed on the display device, and the control is performed. The block corresponding to the control target device having the abnormality by detecting the presence / absence of the abnormality of the target device is displayed in a different display state from the other blocks, and is displayed via the selection means arranged in the display device. When it is detected that the block corresponding to the abnormal control target device is selected by an external instruction given by the user, the abnormality notification information corresponding to the abnormal control target device is displayed on the display device. Configured to display.

[Action]

According to the present invention, first, an entire block diagram including blocks corresponding to a plurality of control target devices is displayed on a display device.

At that time, the presence / absence of an abnormality in the control target device is detected, and the block corresponding to the control target device having the abnormality is displayed so that its display state is different from the other blocks.

Then, when it is detected that the block corresponding to the control target device having an abnormality is selected by an external instruction given through the selection means arranged in the display device, the abnormality notification information regarding the cause of the abnormality. Is displayed on the display device.

Therefore, it is possible to obtain not only the presence / absence of an abnormality in the control target device but also the abnormality notification information regarding the cause of the abnormality, so that it is easy to deal with the abnormality.

〔Example〕

FIG. 1 is a block diagram of an information display device including a vehicle information display device of the present invention. In FIG. 1, reference numeral 1 denotes a CD-ROM (including its drive device) as a recording medium or a storage medium, in which digitized map information is recorded. The data from the CD-ROM 1 is transferred to the memory (RAM) 5 via the interface 2, address bus 3, data bus 4, etc.
It will be remembered in. An information processor (CPU) 6 performs various kinds of image data processing, and also a keyboard 12 and its interface 13
Peripheral devices are also controlled in response to commands input via. Reference numeral 7 is a direction sensor that detects the direction of the vehicle from the geomagnetism and the like, and 8 is a speed sensor that detects the speed of the vehicle. A GPS (Global Positioning System) device 9 detects the current position of the vehicle from latitude and longitude information. 10 is a navigation processor (CPU),
When data such as direction sensor 7 and speed sensor 8 is corrected, the amount of movement of the vehicle is calculated from those data, and when GPS device 9 cannot detect latitude and longitude information, etc. Calculate the position. Alternatively, the current position set and input is corrected according to the information from the GPS device 9. The processor 10 and the processor 6 can exchange data with each other. 11 stores the programs of these processors 6 and 10 and other necessary information
ROMs 14 are control logics that supply timing signals necessary for each circuit, means, device, and the like.

Reference numeral 15 is a graphic display controller (GDC), which reads necessary data from the memory 5 and uses the memory (VR
AM) 16 and 17 draw a specified image. 18 is memory 16, 17
It is a parallel / serial (P / S) conversion circuit that selects data from one of them and converts the parallel signal into a serial signal. A color palette register 19 as a color conversion circuit converts a 3-bit color signal in the video signal supplied from the P / S conversion circuit 18 into a pre-specified 5-bit color signal. The video signal converted from the color signal is transferred to the memory (VRAM) 20, and further transferred from the memory 20 to the memory (VRAM) 21, and the video signal stored in the memory 21 is red (R),
D / A conversion circuits 26 and 2 for each of the three primary colors of green (G) and blue (B)
The digital signal is converted into an analog signal by 7, 28 and displayed on a display device 29 such as a CRT. Although not shown, a touch sensor made of a transparent electrode or the like is provided on the front surface of the screen of the display device 29.

Reference numeral 24 is a sync signal generation circuit that generates a horizontal sync signal (HSYNC), a vertical sync signal (VSYNC), and a dot clock (DCK) that are mutually synchronized, and sets the addresses of the register 19, memories 20, 21 and the like. It outputs to address counters 23, 25, etc. 22 is an offset register, the memory 16,
Of the images stored in 17, the offset position of the portion to be transferred to the memory 20 is set. Reference numerals 30 to 37 are buffers inserted at predetermined positions.

On the other hand, FIG. 2 shows the structure of the keyboard 12. As shown in the figure, each operation key is arranged on the outer periphery of the display device 29. Reference numeral 51 is a navigation (NAVI) key operated when executing a navigation operation, and 52 is a help (!) Key operated when outputting an explanation image of the operation to the display device 29. 53 is a guide (GUIDE) key, a parking lot,
It is operated when displaying symbols such as hotels and gas stations on the map. 54 is a destination (DEST) key,
It is operated when setting the destination. 55 is a set
A key, which is operated when registering an item designated by the cursor displayed on the display device 29 or a position on the map. A cancel (CANCEL) key 56 is arranged to return to the previous screen when operated on a limited predetermined screen. Reference numeral 57 is a reduction key, and 58 is an enlargement key, which are operated when reducing or enlarging the map displayed on the display device 29. 59 is a scroll key, up and down,
When moving the cursor to the left or right, the keys 59a to 59d are operated. Reference numeral 60 denotes a TEXT key, which is operated when displaying information related to the driving of the vehicle. The program when the above keys are operated is managed by the processor 6.

On the other hand, a CD key 61 operated when operating the compact disc player, a TV key 62 operated when receiving a television broadcast, an AM / FM key 63 operated when receiving an AM or FM broadcast, and equalization of reproduced sound. A sound select (SOUND SEL) key 64, which is operated when selecting a characteristic from preset characteristics, a muting key 65 for instantly muting the reproduced sound, a volume 6 for adjusting the volume of the reproduced sound, an air conditioner. An air conditioning (A / C) key 67 that is operated when the apparatus is operated is provided, and a predetermined operation is executed by a CPU (not shown).

Then, the operation will be described. First, the basic operation when the navigation key 51 is operated will be described. The processor 10 calculates and detects the current position of the vehicle from the information of the direction sensor 7, the speed sensor 8, the GPS device 9, and the like. In response to this information, the processor 6 reads the map including the current location from the CD-ROM 1 and stores it in the memory 5. CD
-ROM 1 stores a plurality of scale maps, and the memory 5 stores each scale map including the current location. The processor 6 controls the controller 15 to write the data of a predetermined scale of the map stored in the memory 5 into the memory 16 or 17. One of the memories 16 and 17 is on the front side (the side where the data is transferred to the memory 20) and the other is on the back side (the side where the data is not transferred to the memory 20 and new data is written by the controller 15). There is. The front side and the back side are switched alternately, and writing by the controller 15 is always performed on the back side which does not send data to the memory 20.

The processor 6 further controls the controller 15 to draw the own vehicle mark on the front side of the memories 16 and 17 in response to the current position signal from the processor 10.

The map drawn in the memories 16 and 17 by the controller 15 has data within a predetermined range centered on the own vehicle mark,
The parallel / serial conversion circuit 18 converts the parallel data into serial data, and the color signal thereof is further converted by the color palette register 19 into a high gradation color signal and transferred to the memory 20. Which part of the map drawn in the memories 16 and 17 is transferred is specified by the processor 6 via the offset register 22 and the address counter 23.

The processor 6 can also draw a picture of, for example, an intersection recorded on the CD-ROM 1 as an image directly in the memory 20. The image thus written in the memory 20 is further transferred to the memory 21, and the image initially stored in the memory 21 is passed through the D / A conversion circuits 26, 27, 28 to the display device 2
The output is displayed on 9.

Next, the operation of the part relating to the present invention will be described in detail.

In order to display the present location and map information on the display device 29 and perform so-called navigation operation toward the destination, the CD-ROM 1
Is installed in the disk drive device. Therefore, in the present invention, when the vehicle is driven, the ignition switch is turned on (power is turned on), and when each electronic device is ready to be energized, an abnormality notification is given in accordance with the flowchart shown in FIG. Process for.

That is, first, the processor 6 diagnoses whether or not there is an abnormality in each control target device. In this embodiment, the display device (CR
T) 29, CD-ROM 1, music-only CD player (CDP), air conditioner (air conditioner), processor (controller) 6, television (TV) tuner, FM tuner, GPS device 9 are controlled devices ( (Not shown). Needless to say, a device for detecting disconnection of the headlamp of the vehicle, lack of oil, or the like may be used as the control target device. For this reason, the CD-ROM 1 stores not only map information but also information for notifying the operator of the cause of abnormality of these control target devices mounted on the vehicle. When the diagnosis is completed, the entire block diagram of the controlled device is displayed on the display device 29, for example, as shown in FIG. At this time, of each block
The block corresponding to the control target device having an abnormality (obstacle) is displayed in a display state different from that of other blocks. More specifically, for example, a block corresponding to a control target device having an abnormality (obstacle) is displayed in a color different from other blocks. In this embodiment, the blocks of the CD-ROM are displayed in a different color from the other blocks.

Since the block of the CD-ROM is now displayed in a different color from the others, the operator can know that the CD-ROM 1 is abnormal. A touch sensor as a selection unit is arranged on the front surface of the screen of the display device 29, and when any of the blocks is touched with a finger or the like, it is detected. Therefore, it is next determined whether or not an input is made from the touch screen. Then, it waits for a predetermined time (3 seconds in the embodiment), and if no input is made from the touch screen during that time, the process proceeds to the next step.
Therefore, even if there is something wrong with the CD-ROM 1, if there is no problem for the time being, for example, because the user goes to the destination without using the navigation device this time, if the operator does not touch the touch screen, leave it as it is. Good.

When the operator touches the block of the CD-ROM of the touch screen, the processor 6 detects this and, as shown in FIG. 4 (b), more detailed notification information regarding the cause of the abnormality is displayed on the display device 29 as an image. indicate. CD in this image
-The image of the ROM disc is displayed differently from other images, and it is announced that the disc is abnormal. At the same time, a voice message, for example, "No disc mounted" is given. From these displays, the operator can know the cause of the abnormality, and can take measures such as mounting a disk before the vehicle is run.

So far, the case where the CD-ROM1 is abnormal has been described as an example.
The same applies when there is an abnormality in another device to be controlled.

〔effect〕

As described above, according to the present invention, it is possible to obtain not only the presence / absence of an abnormality in the control target device but also the abnormality notification information such as the cause of the abnormality. Will be easier.

In addition, if a device for detecting disconnection of headlamps, lack of oil, etc. is added to the control target device and the present invention is applied before traveling of the vehicle, after the abnormality of the control target device is treated, the vehicle Since you can start running,
It is possible to secure safer driving.

[Brief description of drawings]

FIG. 1 is a block diagram of a vehicle information display device according to the present invention, and FIG.
FIG. 4 is a plan view of the display device and keyboard, FIG. 3 is a flowchart thereof, and FIG. 4 is a plan view of its display screen. 1 ... CD-ROM 2,13 ... interface 5,16,17,20,21 ... memory 6 ... information processor 7 ... direction sensor, 8 ... speed sensor 9 ... GPS device 10 ... navigation processor 11 …… ROM, 12 …… Keyboard 15 …… Graphic display controller 18 …… Parallel / serial conversion circuit 19 …… Color palette register 22 …… Offset register 23,25 …… Address counter 24 …… Sync signal generation circuit 26, 27, 28 …… D / A conversion circuit 29 …… Display device

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Masaki Kakihara, 3-1, Shinchi Fuchu-cho, Aki-gun, Hiroshima Prefecture Mazda Co., Ltd. (72) Inventor, Tadashi Masaji Shinchi, Fuchu-cho, Aki-gun, Hiroshima Mazda Corporation (56) References Japanese Patent Laid-Open No. 59-145639 (JP, A) Actual No. 57-150044 (JP, U)

Claims (1)

[Claims] 1. A vehicle information display device for digitizing information, storing it in a predetermined storage medium, reading the information read from the storage medium, and converting the information into an image signal on a display device. The abnormality notification information regarding the cause of the abnormality of each of the plurality of control target devices mounted on the vehicle is prepared, and the entire block diagram including blocks corresponding to the plurality of control target devices is displayed on the display device, and the control is performed. The block corresponding to the control target device having the abnormality by detecting the presence / absence of the abnormality of the target device is displayed in a different display state from the other blocks, and is displayed via the selection means arranged in the display device. When it is detected that the block corresponding to the control target device having the abnormality is selected by an external instruction given by the user, the abnormality corresponding to the control target device having the abnormality is detected. A vehicle information display device, which displays notification information on the display device.