JP6946863B2 - Vehicle display device - Google Patents

Description

The present invention relates to a vehicle display device mounted on a vehicle such as an automobile or a motorcycle.

Patent Document 1 discloses a vehicle display device that displays a value of vehicle information as a bar graph image on a liquid crystal panel and holds a peak value of vehicle information and displays it as a digital image for a while. ..

Japanese Unexamined Patent Publication No. 2002-22573

In the case of Patent Document 1, since the real-time value of the vehicle information is displayed as a bar graph image and the peak value is displayed as a digital image at a position different from the bar graph image, the relationship between the real-time value and the peak value can be understood. There was a problem that it was difficult.

One object of the present invention is to make it easier to recognize the relationship between the peak value and the real-time value.

The present invention employs the following means in order to solve the above problems.
The vehicle display device of the present invention divides the display area of the bar graph image into a large area, displays the bar graph image in different colors for each large area, and inputs the bar graph image on the display area. By displaying a linear peak image that is placed at a position indicating the peak value of vehicle information and has the same or similar color as the color of the large area to which the peak value belongs, the peak value belongs to the difference in the color of the peak image. The gist is to make it easier to grasp the area and make it easier to recognize the relationship between the peak value and the real-time value.

The vehicle display device according to the first aspect of the present invention is a vehicle display device that indicates a value of vehicle information with a bar graph image (410), and the entire bar graph image (410) is represented by m large pieces. A display unit (400) that is divided into regions (402) and displays the bar graph image (410) in different colors for each large region (402), and the display unit according to the input vehicle information. A control unit (132) for expanding and contracting the bar graph image (410) displayed in (400) is provided, and the control unit (132) is the display unit (400) indicating a peak value of the input vehicle information. ), A linear peak image (430) having the same or similar color as the color assigned to the large region (402) to which the peak value belongs is displayed.

In the vehicle display device of the second aspect, which is subordinate to the first aspect of the present invention, the control unit (132) determines that the brightness of the peak image (430) is the large region to which the peak image (430) belongs. The peak image (430) may be displayed so as to be higher than the brightness of the bar graph image (410) of (402). According to this, even if the bar graph image and the peak image have the same color, the bar graph image (real-time value) and the peak image (peak value) can be easily distinguished from each other due to the difference in brightness, and the real-time value and the peak value can be easily distinguished. The visibility of each can be improved.

In the vehicle display device of the third aspect, which is subordinate to the first or second aspect of the present invention, the display unit (400) is an entire bar graph image (410) of n (n> m). A first boundary that is divided into small areas (410), exists at the boundary of the adjacent small area (410), and has a width of the first length (421d) in the increasing / decreasing direction of the bar graph image (410). From the portion (421) and the second boundary portion (432) having a width of a second length (422d) less than the first length (421d) in the increasing / decreasing direction of the bar graph image (410). The control unit (132) has a boundary portion (420), and the width (430d) of the peak image (430) in the increasing / decreasing direction of the bar graph image (410) is the second length (422d). ) May be longer and less than the first length (421d). According to this, since the thicknesses of the peak image, the first boundary portion, and the second boundary portion are different from each other, it becomes easy to distinguish them from each other. The first boundary portion, which plays the role of a large scale, is visually recognized as the thickest of the above three types, so that visual attention can be easily directed. Next, since the peak image is thick, the peak image is visually recognized after recognizing the first boundary portion (large scale), so that the peak value indicated by the peak image can be easily grasped.

In the vehicle display device of the fourth aspect, which is subordinate to the third aspect of the present invention, the boundary portion (420) may have at least a color different from the background color of the display portion (400). According to this, since at least a part of the boundary portion is visually recognized without being assimilated into the background color of the display portion, it can function as a scale of the display portion.

In the vehicle display device of the fifth aspect, which is subordinate to the fourth aspect of the present invention, at least a part of the outer edge portion of the boundary portion (420) is the same as or similar to the background color of the display portion (400). It may have a color. Since the boundary portion reached by the bar graph image is sandwiched between the bar graph images, even if at least a part of the outer edge portion of the boundary portion has the same color as the background color of the display portion, the bar graph image (for example, White, yellow, red) and the boundary (for example, at least part of the outer edge is black, which is the same as the background color of the display, and part is white) are not assimilated, and most of the boundary is covered. It is possible to identify. On the other hand, since the boundary portion not reached by the bar graph image is sandwiched between the backgrounds of the display portion, if at least a part of the outer edge portion of the boundary portion is the same color as the background color of the display portion, the outer edge portion of the boundary portion is formed. At least a part of the part is assimilated to the background color of the display part. That is, the size of the boundary portion (the size of the identifiable boundary portion) arranged in the display area where the bar graph image has reached is the size of the boundary portion arranged in the display area where the bar graph image has not reached. It is larger than (the size of the identifiable boundary). In other words, when the bar graph image arrives, the visibility of the boundary part is improved and the bar graph image can be clearly divided into predetermined areas, while when the bar graph image does not reach the boundary part. It is possible to reduce the visibility of the image and prevent the visual attention from being directed to the boundary.

In the vehicle display device of the sixth aspect, which is subordinate to any one of the first to fifth aspects of the present invention, the bar graph image (410) reaches the display unit (400) according to the vehicle information. At least one or more is arranged for each of the small areas (410) that are not provided, has the same color as the arranged large area (402), and the bar graph image (410) arrives according to the vehicle information. If so, it may have an index image (440) assimilated with the bar graph image (410). According to this, since the index image is displayed for each small area in which the vehicle information is allocated for each predetermined range, how many small areas (approximately how many) the bar graph image has not reached are displayed. It is possible to recognize, and it is possible to easily recognize the state of the real-time value indicated by the end of the bar graph image and the peak value indicated by the peak image.

In the vehicle display device of the seventh aspect, which is subordinate to the first to sixth aspects of the present invention, the control unit (132) has a predetermined value set in advance when the peak value is not updated by the input vehicle information. The peak value may be updated based on the vehicle information input after the lapse of time. As a result, the constant peak value can be automatically updated to the latest peak value without being held for a long time.

In the vehicle display device of the eighth aspect, which is subordinate to the first to seventh aspects of the present invention, the color is arranged in a region different from the display unit (400) and is the same as or similar to the color of the peak image (430). An ambient display unit (600) that emits light may be further provided. As a result, the same vehicle information can be displayed on both the display unit and the ambient display unit to indicate to which range the peak value belongs so that the driver can recognize it more strongly and impressively.

It is a block diagram which shows the system structure of the display device for a vehicle which concerns on one Embodiment of this invention. It is a front view which shows the main structure of the front panel of the vehicle display device of the said embodiment, and the display example of a display part. It is a flowchart for demonstrating the main operation of the vehicle display device of the said embodiment. It is a figure which shows the time transition of the brightness of the light emitting element of the ambient display part in the vehicle display device of the said embodiment. It is a figure for demonstrating the display example of the display device for a vehicle of the said embodiment. It is an enlarged view of the display of the vehicle display device of the above embodiment, and is an enlarged view of the key points in FIG. 5 (c). It is a figure for demonstrating another display example of the display device for a vehicle of this invention.

The preferred embodiments described below are used to facilitate understanding of the present invention. Therefore, one of ordinary skill in the art should note that the present invention is not unreasonably limited by the embodiments described below.

First, refer to FIG. FIG. 1 is a block diagram showing a system configuration of a vehicle display device according to an embodiment of the present invention. The vehicle display device 100 includes a display unit 300 for displaying vehicle information, an ambient display unit 600 that shines in a plurality of colors by a light emitting element (for example, an LED), a display on the display unit 300, and light emission on the ambient display unit 600. It has a control unit 110 that controls the light emitting state of the element.

The display unit 300 includes a display unit (display surface) in which a plurality of display pixels are arranged in a matrix, and is, for example, a liquid crystal display (LCD), but the type of display does not matter. Further, the light emitting element is, for example, an LED as described above, but other light emitting elements such as an organic EL element can also be used and are not particularly limited. In the following description, a case where an LED is used as the light emitting element will be described.

The front panel 200 has a display unit 300 and an ambient display unit 600.

The control unit 110 includes a storage unit 112, a vehicle information acquisition unit 120, a display control unit 130 (including a bar graph display control unit 132 and a digital display control unit 134), and a light emitting element control unit 140. Consists of including.

Further, the vehicle display device 100 is provided with a light emitting element driving unit 160 for driving the ambient display unit 600 and a display driving unit 150 for driving the display unit 300.

The vehicle information acquisition unit 120 in the control unit 110 can acquire vehicle information indicating the status of each part of the vehicle from, for example, the ECU (Electronic Control Unit) 700 of the vehicle. The vehicle ECU 700 includes terminals S1 to Sp connected to various sensors. However, the present invention is not limited to this, and terminals S1 to Sp may be provided in the vehicle information acquisition unit 120 to acquire various vehicle information directly from each sensor.

Vehicle information that can be displayed by the vehicle display device 100 includes, for example, vehicle speed, engine rotation speed, intake pressure, oil pressure, fuel pressure, oil temperature, water temperature, exhaust temperature, throttle opening, intake temperature, and voltage information of each part. , The latest lap time required to go around the circuit, the latest lap time, etc. can be mentioned. The storage unit 112 provided in the control unit 110 can store various data (vehicle travel data) acquired according to the travel of the vehicle at any time.

Here, when the control unit 110 controls the display drive unit 150 to display the vehicle information on the display unit 300, the control unit 110 controls the light emitting element drive unit 160 in parallel with this to control the fluctuation status of the vehicle information. , It is expressed by changing the emission color of the light emitting element in the ambient display unit 600. That is, the display of the display unit 300 and the display of the ambient display unit 600 are linked, and the same type of information is displayed in two places. This point will be described below.

See FIG. FIG. 2 is a front view showing a main configuration of the front panel 200 of the vehicle display device 100 and showing a display example of the vehicle display device 100.

As shown in FIG. 2, a display unit 300 (here, a liquid crystal panel provided with a backlight) is arranged in the central portion (slightly lower side) of the front panel 200 of the vehicle display device 100, and the display unit 300 Ambient display units 600 are arranged on both sides (left side and right side) of the above.

Further, the display unit 300 includes a bar graph image display unit (hereinafter, also simply referred to as a display area) 400 on which a horizontally placed J-shaped bar graph image 410 is displayed, and the inside (or inside) of the bar graph image display unit 400 (or Digital image display unit 500 that is located on the lower side) and displays a digital image 510 that numerically shows measured values (numerical information measured by sensors, which can also be called instrument information) as a plurality of vehicle information. And, including.

Information on the engine speed is displayed on the bar graph image display unit 400 and the ambient display unit 600 of the display unit 300. The display unit of the bar graph image 410 displayed on the bar graph image display unit 400 is RPM.

Further, the ambient display unit 600 changes the emission color according to the peak value of the engine speed. Specifically, as will be described later, if the peak image 430 is white, the ambient display unit 600 is also displayed in white, and if the peak image 430 is yellow, the ambient display unit 600 is also displayed in yellow, and the peak image is displayed. If 430 is red, the ambient display unit 600 is also displayed in red.

The characteristics of the engine differ depending on the number of revolutions, and especially in competition vehicles, for example, unless the relationship between equipment operation and the number of revolutions of the engine is accurately grasped, the engine will enter the red zone in time for upshifting and the engine will start. In this embodiment, information on the engine speed is displayed on both the display unit 300 and the ambient display unit 600 (that is, by a tachometer) because it is particularly important because it may break. (Display is done) to improve the convenience of the driver. However, the display example is not limited to this.

In the example of FIG. 2, the control unit 110 causes the bar graph image display unit 400 of the display unit 300 to display the bar graph image 410 and the yellow peak image 430, which will be described later, with information on the engine rotation speed as vehicle information. , In parallel with the display, the ambient display unit 600 is made to shine in yellow.

(Explanation of bar graph image display unit 400)
The bar graph image display unit 400 has a partially curved J-shape, and while expressing the fluctuation state (real-time value) of the engine rotation speed by the expansion and contraction of the bar graph image 410, the peak value of the engine rotation speed is a peak image. It is expressed by the position where the 430 is arranged, and a bar graph image 410 that expands and contracts depending on the fluctuation state of the engine speed and a plurality of bar graph images 410 arranged in the area (display area 400) where the bar graph image 410 expands and contracts are arranged. The boundary portion 420 that divides the vehicle information indicated by 410 into predetermined ranges (small areas 401), the peak image 430 showing the peak value of the engine speed, and the small area 401 that the bar graph image 410 has not reached. It includes an index image 440 that is partially (inner peripheral portion of the bent bar graph image display unit 400).

In the example of FIG. 2, the entire display area 400 of the bar graph image 410 (here, 0 [RPM] to 9250 [RPM]) is a small area of n (n is a natural number of 2 or more, here n = 37). It is divided into 401. That is, one small area 401 is associated with each engine speed 250 [RPM], and the bar graph image 410 starts at 0 [RPM] and ends the small area 401 associated with the input engine speed. As it expands and contracts.

Further, in a plan view viewed from the front of the display screen of the bar graph image display unit 400, between the small areas 401 arranged in the increasing / decreasing direction (direction along the horizontal J-shape) of the bar graph image 410. A boundary portion 420 which is a region and is visually recognized in a line indicating the boundary of each small region 401 is provided. By providing the boundary portion 420, the boundary of the small area 401 becomes clear, and the number of displayed small areas 401 can be easily recognized, so that the engine speed can be easily grasped every 250 [RPM]. The boundary portion 420 includes a first boundary portion 421 provided at every 1000 [RPM] (0,1000,2000 ... 8000,9000 [RPM]) and every 250 [RPM] other than the first boundary portion 421. The width 421d of the first boundary portion 421 in the increasing / decreasing direction of the bar graph image 410 is longer than the width 422d of the second boundary portion 422. In other words, the first boundary portion 421 is visually recognized thicker than the second boundary portion 422. Further, the boundary portion 420 has a part having the same color as the background color of the display unit 300 and a part having a color different from the background color of the display unit 300. As a result, the boundary portion 420 reached by the bar graph image 410 (sandwiched between the small regions 401 displayed in the color assigned to the large region 402) has a part of the same color as the background color of the display unit 300 and is partially the same color. The boundary portion 420, which is partially visible as a line of a different color but has not reached the bar graph image 410 (sandwiched between the small areas 401 displayed in the background color of the display unit 300), is the display unit 300. Since the portion having the same color as the background color is assimilated with the background color of the display unit 300, only the portion having a color different from the background color of the display unit 300 is visually recognized. In the example of FIG. 2, the boundary portion 420 has a part (the inner peripheral portion of the bent bar graph image display unit 400) in the length direction of the boundary portion 420 which is the same color as the background color of the display unit 300. The boundary portion 420 that the bar graph image 410 has not reached is partially assimilated with the background color of the display unit 300 in the length direction, and is visually recognized shorter than the boundary portion 420 that the bar graph image 410 has reached. .. The boundary portion 420 may have a part of the region in contact with the small region 401 in the width direction of the boundary portion 420 which is the same color as the background color of the display unit 300. As a result, the boundary portion 420 that the bar graph image 410 has not reached is partially assimilated with the background color of the display unit 300 in the width direction, and is visually recognized finer than the boundary portion 420 that the bar graph image 410 has reached. Will be done. That is, to explain with reference to FIG. 2, the width 421e of the first boundary portion 421 (the width 422e of the second boundary portion 422) that the bar graph image 410 has not reached is the first that the bar graph image 410 has reached. Even if a part of the color in the width direction of the boundary portion 420 is the same as the background color of the display unit 300 so that the width 421d of the boundary portion 421 (width 422d of the second boundary portion 422) can be visually recognized. good.

Further, in the example of FIG. 2, the entire display area 400 of the bar graph image 410 (here, 0 [RPM] to 9250 [RPM]) is m (m is a natural number of 2 or more, and m (the number of large areas 402)). ) <N (number of small regions 401), here m = 3), and this large region 402 divides 0 [RPM] to 5000 [RPM] and belongs to this region. The first large area 403 that displays the part (small area 401) of the bar graph image 410 in white is divided into 5001 [RPM] to 7000 [RPM], and the part (small area) of the bar graph image 410 belonging to this area is divided. A third large area 404 displaying 401) in yellow and 7001 [RPM] to 9250 [RPM] are separated, and a portion (small area 401) of the bar graph image 410 belonging to this area is displayed in red. It is composed of a large area 405 of the above.

The index image 440 is preferably displayed in the color of the large region 402 to which it belongs. Specifically, the index image 440 belonging to the first large area 403 is displayed in white, the index image 440 belonging to the second large area 404 is displayed in yellow, and the index image belonging to the third large area 405 is displayed. Image 440 is displayed in red. Since the boundary portion 420 and the index image 440 continue to be displayed in the display area 400 where the bar graph image 410 has not reached, the boundary portion 420 and the index image 440 fulfill the function of the scale of the bar graph image 410. It is possible to easily recognize the fluctuation state (real-time value) of the engine speed and the state of the peak value. Further, in the display area 400 reached by the bar graph image 410, the index image 440 becomes a part of the bar graph image 410 (assimilates with the bar graph image 410), so that the display area 400 reached by the bar graph image 410 It becomes difficult to pay attention to the index image 440, and it is possible to easily concentrate on the bar graph image 410. The ambient display unit 600 emits light in a color that is the same as or similar to the color of the peak image 430 (the color assigned to the large region 402 to which the peak image 430 belongs).

Next, refer to FIG. FIG. 3 is a flowchart showing the main operation of the vehicle display device 100. First, in step S1, the latest vehicle information (real-time value of engine speed) is acquired from the vehicle ECU 700.

Next, in step S2, the bar graph display control unit 132 compares the latest vehicle information input in step S1 with the peak value stored (held) in the storage unit 112, and the latest vehicle information. Determines if is greater than the retained peak value. When the bar graph display control unit 132 determines that the latest vehicle information is larger than the retained peak value (YES in step S2), the storage unit 112 stores the latest vehicle information input in step S1 as a new peak value. (Step S3), in step S4, the peak image 430 is hidden, the bar graph image 410 is updated based on the vehicle information input in step S1, and the process returns to step S1. As described above, when the latest vehicle information is larger than the retained peak value, the end of the bar graph image 410 indicates a value higher than the peak image 430. Therefore, since the peak image 430 is included inside the bar graph image 410 (between the start and end), even if the display of the peak image 430 is maintained, the distinctiveness of the peak image 430 is high. descend. Further, the peak image 430 may be hidden because the significance of maintaining the display of the conventional peak image 430 is reduced when the latest vehicle information has already exceeded the conventional peak value.

In step S2, when the bar graph display control unit 132 determines that the latest vehicle information is equal to or less than a certain peak value, the process proceeds to step S5.

In step S5, the bar graph display control unit 132 determines whether or not the peak image 430 is displayed (whether or not the storage unit 112 stores a peak value that is not reflected in the peak image 430). When the above-mentioned step S4 is executed, since the peak image 430 is hidden, the bar graph display control unit 132 determines that the peak image 430 is not displayed (YES in step S5). In step S6, the bar graph display control unit 132 displays a new peak image 430 based on the peak value stored in step S3, and updates the bar graph image 410 based on the vehicle information input in step S1. , Return to step S1.

When the bar graph display control unit 132 determines that the peak image 430 is displayed (NO in step S5), the peak image 430 continues for a predetermined duration (for example, 3 seconds) Da or more in step S7. To determine if it is displayed. When the bar graph display control unit 132 determines that the peak image 430 is not continuously displayed for a predetermined duration Da or longer (NO in step S7), in step S8, the bar graph display control unit 132 stores the bar graph display control unit 132. The peak image 430 is displayed (holds the peak image 430) based on the retained peak value stored in 112, and the bar graph image 410 is updated based on the vehicle information input in step S1. Return to S1.

Further, when the bar graph display control unit 132 determines that the peak image 430 is continuously displayed for 3 seconds or longer (YES in step S7), the latest vehicle information input in step S1 is used as a new peak value. It is stored in the storage unit 112 (step S3), the peak image 430 is hidden, the bar graph image 410 is updated based on the vehicle information input in step S1, and the process returns to step S1. If step S4 is executed after YES in step S7 described above, the peak image 430 is hidden. Therefore, when the process shifts to step S5 again, the bar graph display control unit 132 displays the peak image. It is determined that there is no display of 430 (YES in step S5). In step S6, the bar graph display control unit 132 displays a new peak image 430 based on the peak value stored in step S3, and updates the bar graph image 410 based on the vehicle information input in step S1. , Return to step S1.

To briefly summarize the processing of FIG. 3, when the latest vehicle information updates the peak value, when the vehicle information rises, the peak image 430 is hidden, the latest peak value is held in the storage unit 112, and the peak value is retained. When the vehicle information turns downward, the latest peak value held is displayed as a peak image 430. Further, when the same peak time is not updated and a predetermined duration elapses, the latest vehicle information is set to a new peak value and the peak image 430 is displayed.

The brightness control of the ambient display unit 600 will be described with reference to FIG. FIG. 4 is a diagram showing the relationship between time and the brightness of the light emitting element of the ambient display unit 600. As the peak image 430 is displayed on the bar graph image display unit 400, the light emitting element control unit 140 controls the light emitting element driving unit 160 to make the ambient display unit 600 the same as or similar to the color of the peak image 430. It shines with color, and then the brightness gradually decreases with the passage of time. At the time t1 of FIG. 4, the light emitting element control unit 140 illuminates the ambient display unit 600 with the same color as the peak image 430, and then the brightness becomes zero or a predetermined time when a predetermined time (dimming time) Db elapses. The brightness is gradually lowered while the rate of change of the brightness is gradually reduced with the passage of time so that the brightness becomes low. The dimming time Db is set shorter than the duration Da for continuously displaying the peak image 430. Specifically, the dimming time Db is set to 2 seconds with respect to the duration Da of 3 seconds. Set. At time t3 in FIG. 4, since the duration Da capable of continuously displaying the peak image 430 elapses from time t1, the bar graph display control unit 132 updates the peak image 430, and the light emitting element control unit accordingly. The 140 makes the ambient display unit 600 shine with a color that is the same as or similar to the color of the peak image 430, and gradually reduces the brightness with the passage of time. When the peak image 430 is updated at time t4, the light emitting element control unit 140 sets the brightness of the ambient display unit 600 high again (updates the display). When the peak image 430 is not displayed, the ambient display unit 600 may shine according to the color at the end of the bar graph image 410. In this case, the light emitting element control unit 140 increases the brightness with the passage of time so that the brightness becomes zero or a predetermined low brightness when the dimming time Db elapses, with reference to the time when the peak image 430 is displayed. The brightness is gradually reduced while the rate of change is slowed down.

Next, refer to FIGS. 5 and 6. FIG. 5 is a diagram showing a display example of the bar graph image display unit 400 that changes according to fluctuations in vehicle information (engine speed). FIG. 6 is an enlarged view of the periphery of the peak image 430 of the bar graph image display unit 400 shown in FIG. 5 (c), and is a diagram comparing the width 401d of the small area 401 and the width 430d of the peak image 430. ..

FIG. 5A is a diagram showing a display example when the engine speed increases after the vehicle starts and 5000 [RPM] is input, and the bar graph image 410 shows 4751 [RPM] to It is extended to the small area 401 to which the range up to 5000 [RPM] is assigned. Specifically, the bar graph display control unit 132 determines that the latest vehicle information (5000 [RPM]) is larger than the peak value (0 [RPM] to 4999 [RPM]) held (FIG. 2). YES in step S3), the latest vehicle information is stored in the storage unit 112 as a new peak value (step S3), the peak image 430 is hidden, and the bar graph image 410 is displayed based on the input latest vehicle information. Update and return to step S1.

FIG. 5B is a diagram showing a display example when the engine speed increases after inputting 5000 [RPM] shown in FIG. 5A and 6650 [RPM] is input. The bar graph image 410 is extended to the small area 401 to which the range from 6501 [RPM] to 6750 [RPM] is assigned. Specifically, the bar graph display control unit 132 determines that the latest vehicle information (6650 [RPM]) is larger than the peak value (5000 [RPM]) held (YES in step S3 of FIG. 2). , The latest vehicle information is stored in the storage unit 112 as a new peak value (step S3), the peak image 430 is hidden, the bar graph image 410 is updated based on the input latest vehicle information, and step S1 Return to.

FIG. 5 (c) is a diagram showing a display example when 6650 [RPM] shown in FIG. 5 (b) is input, then the engine speed decreases, and 5750 [RPM] is input. The bar graph image 410 is shortened to the small area 401 to which the range from 5501 [RPM] to 5750 [RPM] is assigned, and includes 6650 [RPM] which is the peak value shown in FIG. 5 (b). A peak image 430 indicating a range of RPM] to 6650 [RPM] is displayed. As shown in FIG. 6, the width 430d of the peak image 430 in the increasing / decreasing direction of the bar graph image 410 is shorter than the width 401d of the small region 401. In other words, the peak image 430 is displayed thinner than the small area 401 divided by the boundary portion 420. In the present embodiment, the peak value of the vehicle information is displayed in a finer display unit (that is, with a higher resolution) by the peak image 430 displayed thinner than the small area 401 divided by the boundary portion 420. Therefore, the peak value of the vehicle information can be displayed more accurately and in more detail by using the peak image 430. That is, as shown in FIG. 5, in the bar graph image 410, the entire range of 0 [RPM] to 9250 [RPM] is divided into 37 regions (small regions 401), and one small region 401 is divided into 37 regions. It is displayed as a unit. That is, one division of the small area 401 corresponds to 250 [RPM]. On the other hand, since the peak image 430 is displayed in units of the subdivision region 406 in which each subregion 401 is further divided into five, 50 [RPM] can be assigned to one division of the subdivision region 406. It can be set more finely than the bar graph image 410. That is, it is possible to display with a higher display resolution.

FIG. 5D is a diagram showing a display example when the engine speed increases after the 5750 [RPM] shown in FIG. 5 (c) is input and 7900 [RPM] is input. The bar graph image 410 is extended to the small area 401 to which the range from 7751 [RPM] to 8000 [RPM] is assigned. Specifically, the bar graph display control unit 132 determines that the latest vehicle information (7900 [RPM]) is larger than the peak value (6650 [RPM]) held (YES in step S3 of FIG. 2). , The latest vehicle information is stored in the storage unit 112 as a new peak value (step S3), the peak image 430 is hidden, the bar graph image 410 is updated based on the input latest vehicle information, and step S1 Return to.

FIG. 5 (e) is a diagram showing a display example when the engine speed decreases after the 7900 [RPM] shown in FIG. 5 (d) is input and the 5750 [RPM] is input. The bar graph image 410 is shortened to the small area 401 to which the range from 5501 [RPM] to 5750 [RPM] is assigned, and includes 7851 [RPM] which is the peak value shown in FIG. 5 (d). A peak image 430 indicating a range of RPM] to 7900 [RPM] is displayed. Specifically, the bar graph display control unit 132 determines that the latest vehicle information (5750 [RPM]) is smaller than the peak value (7900 [RPM]) held (NO in step S3 of FIG. 3). Further, it is determined that the peak image 430 is not displayed (YES in step S5 of FIG. 3), and the peak value 7900 [RPM] stored in the storage unit 112 in step S3 when displaying FIG. 5 (d) is set. Based on this, the peak image 430 is displayed (step S6), the bar graph image 410 is updated based on the latest vehicle information (5750 [RPM]) input, and the process returns to step S1.

In FIG. 5 (f), the peak value (7900 [RPM]) indicated by the peak image 430 displayed in FIG. 5 (e) is not updated, the predetermined duration elapses, and the predetermined duration elapses. It is a figure which shows the display example at the time of inputting 5000 [RPM] that the engine speed decreases after updating the position of the peak image 430 based on the input value (5750 [RPM]) at that time. The bar graph image 410 is shortened to the small area 401 to which the range from 4751 [RPM] to 5000 [RPM] is assigned, and includes 5701 [RPM] which is an input value when the peak image 430 is updated. A peak image 430 indicating a range of RPM] to 5750 [RPM] is displayed. Specifically, when the peak image 430 shown in FIG. 5 (e) is not updated and a predetermined duration elapses, the bar graph display control unit 132 holds the peak value (7900 [RPM]). ]) Is determined to be displayed after the predetermined duration has elapsed (YES in step S7 of FIG. 3), and the vehicle information (5750 [RPM]) at the time of making this determination is stored as a new peak value. The peak image 430 is hidden in the unit 112 (step S3), the bar graph image 410 is updated based on the latest input vehicle information, and the process returns to step S1. In step S1, the bar graph display control unit 132 inputs the latest vehicle information and determines that the latest vehicle information (5000 [RPM]) is smaller than the peak value (5750 [RPM]) stored in step S3. (NO in step S3 of FIG. 3), further, it is determined that the peak image 430 is not displayed (YES in step S5 of FIG. 3), and the storage unit 112 is stored in step S3 when displaying FIG. 5 (e). The peak image 430 is displayed based on the stored peak value 5750 [RPM] (step S6), the bar graph image 410 is updated based on the latest vehicle information (5000 [RPM]) input, and the process returns to step S1. ..

[Modification example]
The present invention is not limited to the above embodiments and drawings. Changes (including deletion of components) can be made to the embodiments and drawings as appropriate without changing the gist of the present invention. An example of the modification is described below.

In the above embodiment, the display unit of the bar graph image 410 may be the same as the small area 401 divided by the boundary portion 420 for each 250 [RPM], or may be finer. For example, the bar graph image 410 may be displayed in units of the subdivided regions 406 in which each small region 401 is further divided into five, similarly to the display unit of the peak image 430. This will be described below with reference to FIG.

FIG. 7 is a display example of the bar graph image 410 when the display unit of the bar graph image 410 is made finer than the small area 401 divided by the boundary portion 420.

FIG. 7A is a diagram showing a display example when 7900 [RPM] is input, and the bar graph image 410 is a subdivided region to which a range from 7851 [RPM] to 7900 [RPM] is assigned. It is displayed with 406 as the end.

FIG. 7B is a diagram showing a display example when the engine speed decreases after the 7900 [RPM] shown in FIG. 7A is input and the 7700 [RPM] is input. The bar graph image 410 is shortened to the subdivision region 406 to which the range from 7651 [RPM] to 7700 [RPM] is assigned, and includes 7851 [RPM] which is the peak value shown in FIG. 7 (a). A peak image 430 indicating a range of [RPM] to 7900 [RPM] is displayed.

Further, as a modification, FIG. 7 (c) shows a display example when 7900 [RPM] shown in FIG. 7 (a) is input, then the engine speed decreases, and 7700 [RPM] is input. The bar graph image 410 is shortened to the subdivision region 406 to which the range from 7651 [RPM] to 7700 [RPM] is assigned, and is the peak value 7900 shown in FIG. 7 (a). The subdivision region 406 to which the range of 7851 [RPM] to 7900 [RPM] including [RPM] is assigned and the range of 7801 [RPM] to 7850 [RPM] adjacent to the low value side of the subdivision region 406 are allocated. The peak image 430 may be displayed in the subdivided region 406. That is, the width 430d of the peak image 430 may be longer than the width 406d of the subdivision region 406, which is the display unit of the bar graph image 410.

As in the above embodiment, by displaying the peak image 430 in a color that is the same as or similar to the color assigned to the large region 402 to which the peak value belongs, the peak image indicates which large region 402 the peak value is included in. The difference in color of the 430 makes it easy to identify, but when the bar graph image 410 is displayed close to the peak image 430, it becomes difficult to distinguish the peak image 430. On the other hand, the bar graph display control unit 132 makes the peak image 430 distinctive by making the brightness of the peak image 430 higher than the brightness of the bar graph image 410 displayed in the large area 402 to which the peak image 430 belongs. It may be improved. The brightness increase of the peak image 430 may be executed only when the bar graph image 410 approaches the peak image 430.

The vehicle display device of the present invention can be applied as an instrument panel attached to a vehicle or the like or an aftermeter attached after the vehicle is purchased.

100: Vehicle display device 110: Control unit 112: Storage unit 120: Vehicle information acquisition unit 130: Display control unit 132: Bar graph display control unit 134: Digital display control unit 140: Light emitting element control unit 150: Display drive unit 160 : Light emitting element drive unit 200: Front panel 300: Display unit 400: Bar graph image display unit (display area)
401: Small area 402: Large area 403: First large area 404: Second large area 405: Third large area 406: Subdivided area 410: Bargraph image 420: Boundary 430: Peak image 440: Index Image 500: Digital image display unit 510: Digital image 600: Ambient display unit 700: Vehicle ECU
Da: Duration Db: Dimming time

Claims (7)

A vehicle display device that indicates the value of vehicle information with a bar graph image (410).
A display unit (400) that divides the entire bar graph image (410) into m large areas (402) and displays the bar graph image (410) in different colors for each large area (402). When,
A control unit (132) that expands and contracts the bar graph image (410) displayed on the display unit (400) according to the input vehicle information is provided.
The control unit (132) has the same or similar color as the color assigned to the large area (402) to which the peak value belongs at a position on the display unit (400) indicating the peak value of the input vehicle information. A linear peak image (430) with color is displayed .
At least one display unit (400) is arranged for each small area (410) that the bar graph image (410) has not reached according to the vehicle information, and the large area (402) is arranged. When the bar graph image (410) arrives according to the vehicle information, it has an index image (440) that is assimilated with the bar graph image (410).
A vehicle display device characterized by this. The control unit (132) has the peak so that the brightness of the peak image (430) is higher than the brightness of the bar graph image (410) of the large region (402) to which the peak image (430) belongs. Display the image (430),
The vehicle display device according to claim 1. The display unit (400) divides the entire bar graph image (410) into n (n> m) small regions (410), and exists at the boundary of the adjacent small regions (410). A first boundary portion (421) having a width of a first length (421d) in the increasing / decreasing direction of the bar graph image (410) and the first length (421) in the increasing / decreasing direction of the bar graph image (410). It has a second boundary (432) having a width of a second length (422d) less than 421d) and a boundary (420) consisting of.
The control unit (132) has a width (430d) of the peak image (430) in the increasing / decreasing direction of the bar graph image (410) longer than the second length (422d). The peak image (430) is displayed so as to be less than 421d).
The vehicle display device according to claim 1 or 2. The boundary portion (420) has at least a color different from the background color of the display portion (400).
The vehicle display device according to claim 3. At least a part of the outer edge of the boundary (420) has a color that is the same as or similar to the background color of the display (400).
The vehicle display device according to claim 4. When the peak value is not updated by the input vehicle information, the control unit (132) updates the peak value based on the vehicle information input after a predetermined time has elapsed.
The vehicle display device according to any one of claims 1 to 5. An ambient display unit (600) that is arranged in a region different from the display unit (400) and emits light in a color that is the same as or similar to the color of the peak image (430) is further provided.
The vehicle display device according to any one of claims 1 to 6.

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