JP2010070078A - Display device for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display device for a vehicle capable of preventing the oblivion of a warning state even when a warning information image is displayed in reduced size. <P>SOLUTION: In the display device for the vehicle having a first display mode (S1) for displaying measurement information images GR 1, 2 and a second display mode (S3) for displaying a warning information image GR3 on an image display device 10, the second display mode (S3) displays the warning information image GR3 on a first position P1 in a first size SZ1, then moves the warning information image GR3 to a second position P2 to be displayed in a second size SZ2 on the basis of the determination of whether or not a first display switching condition is satisfied (S5), and further moves the warning information image GR3 to the first position P1 to be displayed in the first size SZ1 on the basis of the determination of whether or not a second display switching condition is satisfied (S7). <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a vehicle display device that displays vehicle information.

As this type of vehicle display device, for example, a device described in Patent Document 1 below is known. This vehicle display device includes an image display device including a liquid crystal panel and the like, and control means including a microcomputer that causes the image display device to display a measurement information image and an alarm information image as vehicle information. The control means includes a normal display mode (first display mode) for displaying a measurement information image such as a tachometer in an image display area of the image display device based on predetermined input information (signal from the sensor), and an image display device. An alarm display mode (second display mode) for displaying an alarm information image including a warning symbol is executed. When displaying the alarm information image in the alarm display mode, the alarm information image is temporarily displayed in the first size (near the center of the screen) in the image display area, and then a predetermined time has passed. Is determined (whether or not the first display switching condition is satisfied). When a predetermined time has elapsed, the alarm information image is transferred from the first location to the second location (the corner of the screen) in the image display area. It is moved and reduced and displayed in a second size smaller than the first size.
JP-A-62-58112

  However, in the vehicular display device described in the above publication, once the alarm information image is displayed in a large size, it is reduced after a predetermined time so that the alarm information image is displayed in a large size when an abnormality occurs, thereby improving visibility. After that, the alarm information image can be reduced and continuously displayed to reduce annoyance and to make efficient use of the display space, but after the alarm information image is reduced and moved to the corner of the screen, Since the state continues, there is a concern that the alarm information image is not conspicuous and the response to the alarm is delayed.

  The present invention pays attention to the above-mentioned problems, and provides a vehicle display device capable of preventing forgetting of an alarm state even when an alarm information image is reduced and displayed.

  In order to solve the above-described problems, the present invention includes an image display device and control means for displaying a measurement information image and an alarm information image as vehicle information on the image display device, and the control means has predetermined input information. A vehicle that executes a first display mode in which the measurement information image is displayed in an image display area of the image display device and a second display mode in which the alarm information image is displayed on the image display device. In the display apparatus for use, when the control unit displays the alarm information image in the second display mode, the control unit displays the alarm information image at a first location in the image display area in a first size, Thereafter, it is determined whether or not a predetermined first display switching condition is satisfied, and when this condition is satisfied, the alarm information image is moved from the first location to a second location in the image display area. Let me Display a second size smaller than the first size, and then determine whether or not a predetermined second display switching condition is satisfied. If this condition is satisfied, the alarm information image is displayed in the second size. Moving from two locations to the first location or a third location in the image display area to display the first size or a third size larger than the first size. . As a result, even when the alarm information image is moved from the first location to the second location and reduced and displayed at the second size when the first display switching condition is satisfied, the alarm is displayed when the second display switching condition is satisfied. Since the information image is again moved to the first location or the vicinity thereof and enlarged and displayed to the first size or the third size larger than that, the alarm state can be prevented from being forgotten.

  Further, according to the present invention, when the control unit satisfies the first display switching condition, the control unit moves the alarm information image from the first location to the second location while moving from the first size to the second size. It is characterized by gradually changing the size to the size of. As a result, it is possible to easily recognize the destination of the alarm information image, and to reduce the sense of incongruity associated with abrupt movement and size change.

  According to the present invention, when the control means satisfies the second display switching condition, the control means moves the alarm information image from the second location to the first location or the third location. The size is gradually changed from the first size to the first size or the third size. As a result, it is possible to easily recognize the destination of the alarm information image, and to reduce the sense of incongruity associated with abrupt movement and size change.

  According to the present invention, when the second display switching condition is satisfied, the control means causes the image display device to display a predetermined alert image in addition to the display of the alarm information image. Thereby, when the alarm information image is enlarged and displayed again, the alertness can be improved, and the forgetting prevention of the alarm state can be further strengthened.

  According to the present invention, the initial purpose can be achieved, and forgetting of the alarm state can be prevented even when the alarm information image is reduced and displayed.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

  1 to 5 show a first embodiment of a vehicle display device according to the present invention. FIG. 1 is a block diagram showing a system outline of the vehicle display device according to the present embodiment. FIG. 2 shows a display mode. FIG. 3 to FIG. 5 are front views showing display images.

  In FIG. 1, the vehicle display device 1 according to the present embodiment includes an image display device 10 and a control unit 20 that displays vehicle information as an image on the image display device 10, for example, an in-vehicle LAN (Local Area Network). ) Through a vehicle side ECU (Engine Control Unit).

  The image display device 10 is composed of, for example, a TFT (thin film transistor) type liquid crystal panel, and any display panel such as an EL panel can be used as long as vehicle information can be displayed as an image under the control of the control means 20. it can.

  The control means 20 includes, for example, a storage device such as a microcomputer, graphic controller, ROM, RAM, flash memory, etc., and predetermined input information from the vehicle side ECU that is input through the in-vehicle LAN (in this case, for example, a vehicle speed sensor, It includes elements necessary for driving and controlling the image display device 10 in accordance with information from the engine rotation sensor and tire pressure sensor and information based on user switch operations, and displaying an image to be described later.

  Next, display mode switching processing executed by the control means 20 will be described with reference to FIGS. First, in step S1, under the control of the control means 20, the first and second measurement information images (in the image display area (display screen) of the image display device 10 are set as the first display mode (normal display mode). Vehicle information) GR1 and GR2 are displayed (see FIG. 3). The first measurement information image GR1 is located on the left side of the image display area and displays the vehicle speed in an analog manner. The second measurement information image GR2 is located on the right side of the image display area and displays the vehicle engine rotation in an analog manner. Each measurement information image GR1, 2 is displayed as a moving image by reading and reproducing image data composed of a plurality of patterns stored in the storage device based on predetermined input information input by the control means 20 through the in-vehicle LAN. Each has a pointer 31 that rotates, and an indicator portion 32 that is the target of the pointer 31. Each measurement information image GR1, 2 may be displayed in a digital format.

  In the subsequent step S2, it is determined whether or not the alarm condition is satisfied, specifically, whether or not the air pressure has become a predetermined value or less based on information from the tire air pressure sensor. If YES, it is determined that the alarm condition is satisfied (YES), and the process proceeds to step S3. If the alarm condition is not satisfied (NO), the first display mode (step S1) continues.

  In step S3, the first and second measurement information images GR1, 2 and the warning information image (vehicle information) GR3 are displayed as the second display mode (warning display mode) in the image display area of the image display device 10. (See FIG. 4). The first and second measurement information images GR1 and GR2 are the same as in step S1. The alarm information image GR3 is an alarm image indicating that the air pressure has become equal to or lower than a predetermined value, and a circular border image, a background image made up of tire images arranged in the border image, and an overlay on the background image The icon image related to the tire pressure and the character image “Tyre Pressure” are combined, and a predetermined first size SZ1 is formed at a first position P1 located slightly above the measurement information images GR1 and GR2. Is displayed.

  In step S4, it is determined whether the alarm condition is satisfied again (that is, whether the alarm requirement is satisfied in step S2). If the determination is YES (alarm condition is satisfied), the process proceeds to step S5. If so, the process proceeds to step S1.

  In step S5, it is determined whether or not the first display switching condition is satisfied. As the first display switching condition, in this case, when one minute has passed since the transition to the second display mode in step S3, or when information based on the user's switch operation is received, the first display switching condition is set. It is determined that the condition is satisfied (YES), and the process proceeds to step S6. That is, if 60 seconds have passed since the transition to the second display mode, the process proceeds unconditionally to step S6, and even if 60 seconds have elapsed since the transition to the second display mode, the user's switch operation If information based on is received, the process proceeds to step S6. In the present embodiment, the double condition of time and switch operation is set as described above, or only one of the conditions may be set.

  In step S6, in the second display mode of step S3, the alarm information image GR3 displayed at the first location P1 moves into the second measurement information image GR2 that becomes the second location P2, and It is displayed in the second size SZ2 that is reduced compared to that in step S3 (see FIG. 5). The alarm information image GR3 displayed in the second size SZ2 has only a circular border image, a background image, and only an icon image and a character image, compared to the alarm information image GR3 displayed in the first size SZ1. It has been simplified.

  In step S7, it is determined whether the alarm condition is satisfied again (that is, whether the alarm requirement is satisfied in step S2). If the determination is NO, the process proceeds to step S1, and if YES, the process proceeds to step S8. move on.

  In step S8, it is determined whether the second display switching condition is satisfied. As the second display switching condition, for example, the second display switching condition is satisfied when the first display switching condition in step S5 is satisfied, or when 5 minutes have elapsed from the movement and reduction of the alarm information image GR3 in step S6. The process proceeds to step S3, where the alarm information image GR3 is displayed again at the first location P1 and enlarged at the first size SZ1 (see FIG. 4).

  By repeating the above processing, the movement and size change of the alarm information image GR3 are repeated as long as the alarm condition is satisfied. Note that an internal timer in the microcomputer can be used for timing in each of steps S5 and S7.

  As described above, in the present embodiment, the image display device 10 and the control unit 20 that displays the measurement information images GR1 and GR2 and the alarm information image GR3 as vehicle information on the image display device 10 are provided. The first display mode (S1 in FIG. 2) for displaying the measurement information images GR1 and GR2 in the image display area of the image display device 10 according to predetermined input information and the alarm information image GR3 on the image display device 10 are displayed. In the vehicle display device that executes the second display mode (S3 in FIG. 2) to be displayed, the control means 20 displays the alarm information image GR3 in the second display mode (S3 in FIG. 2). In this case, the alarm information image GR3 is displayed at the first location P1 in the image display area with the first size SZ1, and then it is determined whether or not a predetermined first display switching condition is satisfied (FIG. 2). Middle, S5), this When satisfying the condition, the alarm information image GR3 is moved from the first location P1 to the second location P2 in the image display area and displayed with the second size SZ2 smaller than the first size SZ1, and then It is determined whether or not a predetermined second display switching condition is satisfied (S7 in FIG. 2), and when this condition is satisfied, the alarm information image GR3 is moved from the second location P2 to the first location P1. By displaying the same size as the first size SZ1, the alarm information image GR3 is moved from the first location P1 to the second location P2 when the first display switching condition is satisfied, and the second size SZ2 is obtained. Even if the display is reduced, the alarm information image GR3 is moved again to the first location P1 when the second display switching condition is satisfied, and is enlarged and displayed to the same size as the first size SZ1. Reduction and display of annoyance While achieving efficient use of space, it is possible to prevent the forgetting of an alarm condition.

  In the present embodiment, as long as the alarm condition is satisfied (unless appropriate countermeasures are taken for the alarm contents), the movement and the size change of the alarm information image GR3 are repeated, so that the above effect can be further ensured. .

  In the present embodiment, when the second display switching condition is satisfied, the alarm information image GR3 is moved from the second location P2 to the first location P1, but this is not shown as the location of the third location. It may be moved to any location within the display area.

  In the present embodiment, when the second display switching condition is satisfied, the alarm information image GR3 is displayed in the same size as the first size SZ1, but although not shown as the third size, from the first size SZ1 May be displayed in a large size.

  Further, in the present embodiment, the alarm information image GR3 has been described with an example of an alarm relating to tire air pressure, but the type of alarm information is arbitrary, for example, engine cooling water, check engine, seat belt, outside temperature, low fuel, traffic It may be alarm information related to information or the like.

  Further, when a plurality of alarms occur simultaneously, the respective alarm information images may be moved and resized simultaneously or in a predetermined order.

  6A to 6C are front views showing display images and their transitions according to the second embodiment of the present invention. In this embodiment, the first display switching condition (see S5 in FIG. 2). ), The size of the alarm information image GR3 is gradually changed from the first size SZ1 to the second size SZ2 while moving the alarm information image GR3 from the first location P1 to the second location P2. is there.

  By gradually (stepwise) moving and changing the size of the alarm information image GR3 in this way, it is possible to easily recognize the destination of the alarm information image GR3 and reduce the sense of incongruity associated with sudden movement and size change. Can do.

  FIGS. 7A to 7C are front views showing display images and their transitions according to the third embodiment of the present invention. In this embodiment, the control means uses a second display switching condition (in FIG. 2). , S8) is satisfied, the size is gradually changed from the second size SZ2 to the first size SZ1 while moving the alarm information image GR3 from the second location P2 to the first location P1. It will be.

  As described above, when the second display switching condition is satisfied, the movement and size change of the alarm information image GR3 is performed gradually (stepwise), so that the movement destination of the alarm information image GR3 can be easily recognized and suddenly changed. Uncomfortable feelings associated with simple movement and size change can be reduced.

  FIGS. 8A to 8D are front views showing display images according to the fourth embodiment of the present invention. In this embodiment, the control means 20 uses the second display switching condition (S8 in FIG. 2). In the example, the alert image GR4 is displayed on the image display device 10 in addition to the display of the alarm information image GR3.

  That is, in FIG. 8A, when the second display switching condition (see S8 in FIG. 2) is satisfied, the background color outside each measurement information image GR1, 2 and alarm information image GR3 is set to step S3 or step S3. The alert image GR4 is displayed by changing it to a color (for example, a stimulus color such as red) that is different from the background color outside the measurement information images GR1 and GR2 and the alarm information image GR3 in S6.

  Further, in FIG. 8B, when the second display switching condition (see S8 in FIG. 2) is satisfied, attention is paid to emit light in a ring shape (the shape is arbitrary) around the alarm information image GR3. The arousal image GR4 is displayed.

  Further, in FIG. 8C, when the second display switching condition (see S8 in FIG. 2) is satisfied, the measurement information images GR1 and 2 around the measurement information images GR1 and 2 are in a ring shape (the shape is arbitrary). A caution image GR4 that emits light is displayed.

  In FIG. 8D, when the second display switching condition (see S8 in FIG. 2) is satisfied, a warning image GR4 that is recessed in a ring shape (arbitrary shape) is formed around the alarm information image GR3. it's shown.

  As described above, according to the present embodiment in which the alert image GR4 is displayed when the second display switching condition (see S8 in FIG. 2) is met, The evokeability can be improved and the forgetting prevention of the alarm state can be further strengthened.

  As long as the alertness image GR4 can improve alertness, an arbitrary pattern other than those shown in FIGS. 8A to 8D is assumed. For example, the alarm information image GR3 is flashed (displayed or hidden). It may be repeated at a predetermined cycle), or the background color in each of the images GR1 to GR3 may be changed.

The block diagram which shows the system outline | summary of the display apparatus for vehicles by the 1st Embodiment of this invention. The flowchart which shows the switching process of the display mode in the embodiment. The front view which shows the display image in the same embodiment. The front view which shows the display image in the same embodiment. The front view which shows the display image in the same embodiment. (A)-(c) is a front view which shows the display image by the 2nd Embodiment of this invention, and its transition. (A)-(c) is a front view which shows the display image by the 3rd Embodiment of this invention, and its transition. (A)-(d) is a front view which shows the display image by the 4th Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Display apparatus for vehicles 10 Image display apparatus 20 Control means 31 Pointer 32 Index part GR1 1st measurement information image (vehicle information)
GR2 second measurement information image (vehicle information)
GR3 warning information image (vehicle information)
GR4 Warning display P1 1st location P2 2nd location SZ1 1st size SZ2 2nd size

Claims (4)

An image display device;
Control means for displaying a measurement information image and an alarm information image as vehicle information on the image display device;
A first display mode in which the control means displays the measurement information image in an image display area of the image display device according to predetermined input information; and a second display in which the alarm information image is displayed on the image display device. In the vehicle display device that executes the mode,
The control means, when displaying the alarm information image in the second display mode, causes the alarm information image to be displayed at a first size in a first location in the image display area, and then, a predetermined first It is determined whether or not the display switching condition of 1 is satisfied, and when this condition is satisfied, the alarm information image is moved from the first location to the second location in the image display area, and the first Is displayed in a second size smaller than the second size, and then it is determined whether or not a predetermined second display switching condition is satisfied. If this condition is satisfied, the warning information image is displayed in the second location. Moving to the first location or the third location in the image display area to display the first size or a third size larger than the first size. apparatus. When the control means satisfies the first display switching condition, the control means gradually moves from the first size to the second size while moving the alarm information image from the first location to the second location. The vehicle display device according to claim 1, wherein the size is changed. When the control means satisfies the second display switching condition, the control means moves the alarm information image from the second location to the first location or the third location while moving from the second size to the first size. The vehicle display device according to claim 1, wherein the size is gradually changed to the size of 1 or the third size. 2. The vehicle according to claim 1, wherein when the second display switching condition is satisfied, the control means causes the image display device to display a predetermined warning image in addition to the display of the alarm information image. Display device.

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