JP2004069514A - Display for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display for vehicles that can be miniaturized and thinned with a simple configuration and can greatly improve visibility. <P>SOLUTION: The display for vehicles is set on an instrument panel 2 in vehicles, and has an analog exclusive display section including a dial 14 for analog display where a design 14a for analog display being indicated by electronic clock hands 16 rotated by a movement 17 is formed. Additionally, the display for vehicles further has a non-analog display section for displaying a warning or the like being arranged so that it can be embedded to the instrument panel 2 at the lower portion of the nonanalog display section. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a vehicular display device having an analog-only display unit provided on an instrument panel and having improved visibility.
[0002]
[Prior art]
Various display devices such as a speedometer and a tachometer are mounted on a vehicle. Such a display device is, for example, a well-known combination meter and the like, a speedometer, a tachometer, a water temperature meter, an analog display design indicated by a pointer rotated by a movement such as a fuel meter, and the like, and It is equipped with a dial plate in which non-analog display designs such as various warnings, direction indicators, and trip meters are mixed.
[0003]
On the back side of such a dial, a movement for rotating the hands based on the control signal, an LED (light emitting diode) for illuminating the non-analog display design, an LED for illuminating the hands, a traveling distance An LCD (Liquid Crystal Display) for digitally displaying predetermined information, such as, is provided. Also, on the back side of the dial, a light guide plate and a diffusion plate for efficiently illuminating the analog display design and the like are also stacked, and LEDs for this illumination are also arranged.
[0004]
On the other hand, on the front side of the dial facing the viewpoint of the driver or the like, a pointer for instructing a predetermined analog display design on the dial while rotating, a part mainly unrelated to display on the front of the dial is provided. A facing glass and the like for covering are arranged, and a front glass is attached so as to cover the dial, the pointer, the facing and the like.
[0005]
[Problems to be solved by the invention]
As described above, in the conventional typical vehicle display device, the analog display and the non-analog display are mixed in one display device. May also be included in the field of view, so it is desirable to further improve the visibility. A display device has also been proposed in which the visibility of the hands is improved by devising the color tone of the surface glass, etc., but in this case, a facing that covers a part of the front surface of the surface glass or the dial is necessary, and the device is large. Tend to change.
[0006]
Therefore, in view of the above situation, it is an object of the present invention to provide a vehicle display device that achieves a reduction in size and thickness with a simple configuration and significantly improves visibility.
[0007]
[Means for Solving the Problems]
A display device for a vehicle according to claim 1, which is provided to solve the above problem, is provided on an instrument panel 2 of the vehicle, and is provided with an analog display design 14 a which is indicated by a pointer 16 rotated by a movement 17. And an analog-only display section including an analog display dial plate 14 formed with a symbol.
[0008]
According to the first aspect of the present invention, the visibility of the analog display based on the pointer indication is improved by the synergistic effect of the standing structure on the instrument panel and the analog-only display.
[0009]
According to a second aspect of the present invention, there is provided a vehicle display device according to the first aspect, wherein at least the analog display dial 14 is provided along the analog display design 14a. The rotation area of the pointer 16 is transparent, and the pointer 16 is disposed so as to rotate on the back side of the analog display dial 14 on the opposite side to the viewpoint. Features.
[0010]
According to the second aspect of the present invention, since the rotating area of the hands 16 is transparent and the hands 16 are arranged to rotate on the back side of the dial, the hands 16 can be moved without using the front glass. It becomes possible to protect.
[0011]
According to a third aspect of the present invention, there is provided a vehicle display device according to the first or second aspect, wherein the analog display dial plate includes a light guide plate integrated with a light guide plate. A plate.
[0012]
According to the third aspect of the present invention, since the analog display dial 14 is a dial with an integrated light guide plate, the number of parts is reduced.
[0013]
A vehicle display device according to claim 4, which has been made to solve the above-mentioned problem, is the vehicle display device according to any one of claims 1 to 3, wherein the instrument is provided below the analog-only display unit. It further comprises a non-analog display unit arranged to be embedded in the panel 2 and displaying information relating to the vehicle without using the hands 16.
[0014]
According to the fourth aspect of the present invention, since the non-analog display portion is further provided to be embedded in the instrument panel 2 below the analog-only display portion, the analog display by the hands 16 is not obstructed. Information that cannot be displayed with the pointer 16 can also be displayed.
[0015]
According to a fifth aspect of the present invention, there is provided a vehicle display device according to the fourth aspect, wherein only the vehicle speed and the number of engine revolutions of the hands are controlled by the analog dedicated display unit. The warning is displayed on the basis of the motion, and the warning on the vehicle is displayed on the non-analog display unit based on the on / off of the light source arranged on the rear surface.
[0016]
According to the fifth aspect of the present invention, only the vehicle speed and the engine speed are displayed on the analog-dedicated display portion, and a warning is displayed on the non-analog display portion, so that it is easy to distinguish between information that changes in real time and an alarm. Become.
[0017]
According to a sixth aspect of the present invention, there is provided a vehicle display device according to the fifth aspect, wherein the non-analog display unit further includes a liquid crystal display having a cumulative travel distance arranged on a back surface. It is displayed on a display device.
[0018]
According to the sixth aspect of the present invention, since the non-analog display unit also displays the accumulated traveling distance, a highly convenient vehicle display device can be obtained.
[0019]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a front view showing a state in which a dial and a vehicle display device of the present invention are attached to an instrument panel. As shown in FIG. 1, the vehicle display device 1 is mounted so as to stand substantially vertically from an instrument panel 2 at a front portion of a passenger vehicle, for example. Note that the vehicle display device exemplified here has a speedometer and a tachometer for analog display, but the present invention is not limited to this.
[0020]
The vehicle display device 1 includes a hood portion 11 made of resin, an upper cover and a lower cover that cover the rear of the device (not shown), a dial plate 14 for analog display, and the like. The analog display dial 14 is formed of a light transmitting member made of a translucent resin, and is supported mainly by the hood 11. On the analog display dial 14, analog display ready designs 14a to 14c corresponding to a speedometer and analog display ready designs 14a 'to 14c' corresponding to a tachometer are formed. In detail, the designs 14a and 14a 'indicate the scale corresponding to the indicated value of each meter, the designs 14b and 14b' indicate the numbers corresponding to the indicated values of each meter, and the designs 14c and 14c 'indicate the units of each meter. It is shown. These designs are printed and formed, for example, in white on the back side of the dial 14. However, the portion related to the red zone in the design 14b 'is similarly printed and formed in red, and the portions indicating the units of the designs 14c and 14c' are hollowed out.
[0021]
Below the rear side of the analog display dial 14, a movement (not shown), a pointer, a light source for the dial, hands 16, 16 'rotated by the movement, and the like are arranged. However, on the rear side of the dial 14, basically nothing is arranged around the portion where the designs 14a to 14c and 14a 'to 14c' are formed. These structures will be more apparent from the description of FIG. No front glass, facing, etc. are arranged on the front side of the analog display dial 14 as in the conventional device, and nothing is formed on the surface. Such a part related to analog display based on the instruction of the hands 16, 16 'corresponds to an analog exclusive display part in the claims. The synergistic effect of the standing structure from the instrument panel 2 and the analog-only display greatly improves the visibility of the analog display based on the pointer instruction.
[0022]
On the other hand, below the analog display dial 14, a non-analog display dial 15 on which various warning designs 15 a indicating an oil warning, a charge warning, a brake warning, etc., and a direction design 15 b are formed is attached. . The dial 15 is, for example, a sheet of polycarbonate made of a transparent material, and the above-described designs 15a and 15b are hollowed out and printed in black. The dial 15 also has an LCD display unit 15c. This portion is also hollowed out, and an LCD (not shown) for digitally displaying respective values corresponding to a trip meter, a fuel meter, and the like is arranged on the back surface thereof. The front face of the non-analog display dial 15 is covered with a front cover 3 having a display window 31. The display window 31 has a substantially elliptical shape corresponding to each of the designs 15a and 15b and the display section 15c. The front cover 3 may be considered as a part of the instrument panel 2. Parts that display information related to the vehicle without using the pointer 16, such as the warning design 15a and the direction design 15b, correspond to the non-analog display part in the claims.
[0023]
As described above, only the vehicle speed and the engine speed are displayed on the analog-only display section, and a warning is displayed on the non-analog display section. A highly safe and highly safe vehicle display device can be obtained. In addition, since the non-analog display unit also displays the accumulated traveling distance, a highly convenient vehicle display device having excellent visibility as described above can be obtained.
[0024]
Next, the configuration of the vehicle display device will be described in more detail with reference to FIGS. FIG. 2A is a front view showing an embodiment of the dial and the vehicle display device of the present invention, and FIG. 2B is a side view thereof. 3A and 3B are a cross-sectional view taken along line XX and a line YY in FIG. 2A, respectively. FIG. 4 is a sectional view taken along line ZZ in FIG. In the description using these drawings, the description of the items described in FIG. 1 will be omitted.
[0025]
As shown in FIG. 2A, on the rear side of the analog display dial 14, movements 17, 17 'for rotating the hands 16, 16' and a plurality of analog display dials 14 are provided. The light sources 18a to 18f are evenly arranged. In this example, the portion of the dial 14 other than the designs 14a to 14c is transparent, but it is sufficient that at least the rotation area of the hands 16 along the analog display preparation 14a is transparent. The movement 17 is arranged so as not to overlap with the rotation area. As a result, the hands can be arranged on the back side of the dial, so that the conventionally required front glass is not required, and the number of parts can be greatly reduced.
[0026]
A portion below the dial 14, that is, a portion below the vicinity where the movements 17, 17 'are disposed, including the non-analog display portion 13a, except for the window portion 31, except for the front cover 3 or the instrument. Concealed in Panel 2. As described above, the movements 17 and 17 'and the non-analog display portion 13a are arranged so as to be embedded in the instrument panel 2 below the analog-dedicated display portion. In addition, the non-analog display unit 13a can display information that cannot be displayed by the hands 16.
[0027]
As shown in FIG. 2B, the rear part of the device is covered with an upper cover 12 and a lower cover 13. A non-analog display unit 13a is formed at the lower front of the device. As shown in FIG. 2A, the non-analog display unit 13a includes a light source housing 131 that houses a plurality of light sources 18g and 18l for the warning design 15a and two light sources 18h for the direction design 15b. A light source accommodating portion 132 for accommodating a plurality of light sources 18i, 18j, and 18k as backlights for the LCD display portion 15c is formed. Each of the light source housings 131, 132, and 133 is formed in a substantially mortar shape having a bottom surface on which each light source is installed. As each light source, for example, a known LED (light emitting diode) is used. At the lower front, a screw hole 134 for fixing the device is formed.
[0028]
As shown in FIGS. 3 (A) and 3 (B), the analog display preparations 14 a to 14 c are printed on the back of the analog display dial 14. The dial 14 has a light receiving portion 14d protruding in the same direction as the surface on which the designs 14a to 14c are formed. A light source 18d and the like are arranged on the substrate 19 so as to face the light receiving section 14d. More specifically, the light receiving unit 14d has a shape in which the vicinity of the lower side of the dial 14 is bent, and the plurality of light sources 18a to 18f including the light source 18d are opposed to the light receiving unit 14d. Are arranged. Since the dial and the light guide plate are integrated as described above, the number of components is further reduced, and a display device that is reduced in size and thickness is obtained.
[0029]
As shown in FIG. 3B, a movement 17 is also fixed to the substrate 19, and a rotation shaft 171 of the movement 17 is inserted through a pointer shaft 163 of the pointer 16. A light source 18 m made of an LED is arranged on a substrate 19 so as to face a light receiving portion 16 b formed at the base end of the pointer 16. As is well known, the pointer 16 is made of a transparent resin, rotates around a pointer shaft 163, and has a tapered shape. A balancer 162 is attached to the base end, and a pointer cap 161 is covered thereon. On the lower surface of the hands 16, for example, a red hot stamp layer 16a is formed by printing. The pointer 16 is illuminated based on the color tone of the hot stamp layer 16a and the light source 18m.
[0030]
As shown in FIGS. 3A and 3B, the non-analog display unit 13a includes light sources 18j and 18l for illuminating the LCD 151 and the warning design 15a on the dial 15 from the back. Substantially mortar-shaped light source accommodating portions 131, 133 and the like having a bottom surface to be installed are formed. Here, the configuration on the tachometer side, whose cross-sectional shape is not shown, is also equivalent to the configuration on the speedometer side, as shown in FIG. As is clear from FIGS. 2 to 4, since the dial and the light guide plate are integrated, the number of components is significantly reduced. Further, as shown in FIG. 3B, it is possible to arrange the hands 16, the light source 18e, the movement 17, and the like collectively on the back side of the dial 1, and a driver or the like on the right side of the dial 14 in the figure. It is possible to provide a display device in which the projection in the direction of the viewpoint is suppressed.
[0031]
Here, the operation of the display device having the above configuration will be described with reference to FIG. FIG. 5 is a diagram showing a traveling state of light in the display device. In FIG. 5, the same parts as those in FIGS. 1 to 4 are denoted by the same reference numerals, and redundant description will be omitted.
[0032]
As shown in FIG. 5, the light R1 emitted from the light source 18m is received by the light receiving portion 16d of the pointer 16. This light travels upward (to the right in the figure) inside the pointer 16, is reflected by a reflection surface formed above the base end portion, and further travels in the pointer 16 toward the tip (upward in the figure). Proceed to. At this time, the hot stamp layer 16a formed on the lower surface of the pointer 16 is illuminated, and the light R1 'is directed toward the driver or the like. The light R2 emitted from the light source 18e is received by the light receiving section 14d of the analog display dial 14. This light travels upward (to the right in the figure) inside the dial 14, is reflected by a reflecting surface formed above the base end portion, and further travels in the peripheral direction (upward in the figure) inside the dial 14. Direction). At this time, the designs 14a to 14c formed on the back surface of the dial 14 are illuminated, and the light R2 'is directed to the driver or the like. In this way, when the light source 18m and the light source 18e are turned on at night or the like, the designs 14a to 14c indicated by the shining pointers, which are analog-only display units, are reliably recognized from the viewpoint of the driver or the like.
[0033]
On the other hand, the light R3 emitted from the light source 181 illuminates the design 15a formed on the non-analog display dial 15 from the back, and the light R3 'is directed to the viewpoint of a driver or the like. Note that a similar effect occurs also for an LCD (not shown) and other designs. In this way, when the light source 181 or the like is turned on at the time of a warning or the like, the design or LCD on the dial 15 of the non-analog display unit 13a is illuminated, and is reliably recognized from the driver's point of view. It is needless to say that the light source 18m, the light sources 18e, 181 and the like can be turned off when no illumination is required, such as in the daytime or at the time of non-warning.
[0034]
As described above, according to the above-described embodiment, it is possible to provide a display device for a vehicle that significantly improves visibility and achieves downsizing and thinning with a simple configuration.
[0035]
The analog display unit is not limited to a speedometer or a tachometer, but can be applied to other meters for analog display. Further, the analog display unit may be a single meter. The present invention is not limited to the above embodiment, and can be appropriately modified without departing from the gist thereof.
[0036]
【The invention's effect】
As described above, according to the first aspect of the present invention, the display section is provided on the instrument panel 2 of the vehicle and performs an analog-only display. Is greatly improved.
[0037]
According to the second aspect of the present invention, since the rotating area of the hands 16 is transparent and the hands 16 are arranged to rotate on the back side of the dial, the hands 16 can be moved without using the front glass. It becomes possible to protect. Therefore, the number of components is reduced, the size and thickness are reduced, and a display device with excellent visibility is obtained.
[0038]
According to the third aspect of the present invention, since the analog display dial 14 is a dial with an integrated light guide plate, the number of components is further reduced, and miniaturization and thinning are achieved. A display device with excellent visibility can be obtained.
[0039]
According to the fourth aspect of the present invention, since the non-analog display portion is further provided to be embedded in the instrument panel 2 below the analog-only display portion, the analog display by the hands 16 is not obstructed. Information that cannot be displayed with the pointer 16 can also be displayed.
[0040]
According to the fifth aspect of the present invention, only the vehicle speed and the engine speed are displayed on the analog-dedicated display portion, and a warning is displayed on the non-analog display portion, so that it is easy to distinguish between information that changes in real time and an alarm. Thus, a vehicle display device having excellent overall visibility and high safety can be obtained.
[0041]
According to the sixth aspect of the invention, since the non-analog display unit also displays the accumulated traveling distance, a highly convenient vehicle display device having excellent visibility as described above can be obtained.
[Brief description of the drawings]
FIG. 1 is a front view showing a state in which a dial and a vehicle display device of the present invention are attached to an instrument panel.
FIG. 2A is a front view showing an embodiment of the dial and the vehicular display device of the present invention, and FIG. 2B is a side view thereof.
FIGS. 3A and 3B are a cross-sectional view taken along line XX and a line YY in FIG. 2A, respectively.
FIG. 4 is a sectional view taken along line ZZ in FIG.
FIG. 5 is a diagram showing a traveling state of light in the display device of the embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Vehicle display apparatus 2 Instrument panel 11 Hood part 14 Analog display dial 15 Non-analog display dial 16, 16 'Hands 14a to 14c, 14a' to 14c 'Analog display design 15a Warning design 15b Direction design 15c LCD display 17, 17 'Movement

Claims (6)

An analog-only display unit including an analog display dial formed with an analog display design that is erected on an instrument panel of the vehicle and indicated by a pointer that is rotated by the movement,
A display device for a vehicle, comprising: The display device for a vehicle according to claim 1,
In the analog display dial, at least, the rotation area of the hands along the analog display design is transparent,
The hands are arranged to rotate on the back side of the analog display dial that is on the opposite side to the viewpoint,
A display device for a vehicle, comprising: The display device for a vehicle according to claim 1 or 2,
The analog display dial is a dial with an integrated light guide plate.
A display device for a vehicle, comprising: The vehicle display device according to any one of claims 1 to 3,
A non-analog display unit arranged to be embedded in the instrument panel below the analog-only display unit and displaying information related to a vehicle without using the hands,
A display device for a vehicle, further comprising: The display device for a vehicle according to claim 4,
In the analog-only display unit, only the vehicle speed and the engine speed are displayed based on the rotation of the hands,
In the non-analog display unit, a warning about the vehicle is displayed based on on / off of a light source arranged on the back,
A display device for a vehicle, comprising: The display device for a vehicle according to claim 5,
In the non-analog display unit, further, the cumulative mileage is displayed by a liquid crystal display device arranged on the back,
A display device for a vehicle, comprising:

Images