JP2004157084A - Illumination method and device for instrument panel for vehicles - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve the visibility of an indication plate of an instrument board for vehicles and improve lighting effects and direction effects. <P>SOLUTION: In addition to lighting from the back with a first lighting devices 14a and 14b provided on the back side of the indication plate, the second lighting device 15 provided on the front side of the indication plate 11 gives lighting from the front side of the indication plate 11. Here, the indication plate 11 is provided in the front of a frame 10, and on the back side of the indication plate 11, an instrument body 12, two first lighting devices 14a and 14b, a liquid crystal indicator 16 for digital indication and a controller 20 are fixed at a proper position of each frame 10, which are driven by the instrument body 12. A pointer 13 supported by a rotation axis penetrating the indication plate 11 is provided rotatably along the surface of the indication plate 11. Inside an instrument panel 5 placing the instrument board 1 for vehicles, the second lighting device 15 is provided. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an illumination method and an illumination device for an instrument panel for a vehicle mounted on a vehicle such as an automobile, a self-propelled heavy machine, and a motorcycle.
[0002]
[Prior art]
BACKGROUND ART In vehicles such as automobiles, self-propelled heavy machines, and motorcycles, instruments indicating the driving state and the state of the vehicle are arranged at locations where a driver in front of a driver's seat can easily monitor. For example, in the case of a passenger car, a speedometer, a tachometer, a fuel gauge, a water temperature gauge, various warning signs, and the like are collectively displayed on a vehicle instrument panel installed on an instrument panel panel in front of a driver's seat. In addition, these vehicle instrument panels are illuminated so that the driver can easily recognize the scales, the display plate for displaying characters, and the hands. In addition, with the enhancement of equipment such as drivability and livability, in the instrument panel, not only mere visibility but also comfortable and safe driving can be realized not only for visibility, but also for the display contents to be displayed and the lighting method of the display board. Improvements have been made to enhance the visibility and directability.
[0003]
In a conventional vehicle instrument panel lighting method and lighting device, a light source provided on the back side of a display panel illuminates not only a transmitted character but also a dial surface. (For example, see Patent Document 1)
[0004]
[Patent Document 1]
JP-A-2000-11364 (all pages, all drawings)
[0005]
[Problems to be solved by the invention]
Therefore, in the conventional illumination, since illumination is performed only by a single light source, the illumination effect and visibility are not high.
[0006]
[Means for Solving the Problems]
The present invention has been made to solve the above problems, and a lighting method for a vehicle instrument panel according to the present invention is directed to a display plate having a scale and a character as a light-transmitting portion, and penetrating the display plate. A method for illuminating a pointer supported by a rotating shaft and rotating along the surface of the display panel from the back side by a first lighting device provided on the back side of the display panel, This is an illumination method, wherein the display panel is also illuminated from the front side by the second illumination device provided on the front side.
[0007]
More specifically, an illumination method is characterized in that at least one of the first illumination device and the second illumination device can be illuminated with a plurality of colors.
[0008]
Specifically, the illumination method is characterized in that the first illumination device and the second illumination device illuminate in different colors.
[0009]
More specifically, a lighting method is characterized in that at least the first lighting device illuminates while gradually changing the brightness at the time of lighting and / or turning off.
[0010]
Specifically, the lighting method is characterized in that the first lighting device and the second lighting device selectively illuminate by operating an engine ignition switch, a light switch, and a door switch.
[0011]
In addition, a lighting device for an instrument panel for a vehicle according to the present invention includes a display plate having a scale and a character as a light-transmitting portion, an instrument main body provided on the back side of the display plate, and the display driven by the instrument main body and the display. A pointer supported by a rotating shaft penetrating the plate and rotating along the surface of the display plate, and a display panel provided on the back side of the display plate of a vehicle instrument panel configured to support and fix to a frame. In a lighting device configured by a first lighting device that illuminates from the back surface and a control device connected to the first lighting device, a second lighting device that illuminates the display panel from the front side is provided in front of the display panel, An illumination device, wherein a second illumination device is connected to the control device.
[0012]
Specifically, at least one of the first lighting device and the second lighting device is configured by a lighting device of a plurality of colors, and the control device has a function of selecting a lighting device of a plurality of colors. It is a lighting device characterized by the above.
[0013]
In detail, the first lighting device and the second lighting device are constituted by lighting devices of different colors, and the control device has a function of selecting different colors. It is.
[0014]
Specifically, the lighting device is characterized in that the control device has at least an illuminance changing function when the first lighting device is turned on and / or turned off.
[0015]
Specifically, the lighting device is characterized in that the control device has a function of detecting the operation of an engine ignition switch, a light switch, and a door switch, and a function of selecting the first lighting device and the second lighting device. is there.
[0016]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, preferred embodiments of a lighting method and a lighting device for a vehicle instrument panel according to the present invention will be described in detail with reference to the drawings. FIG. 1 is a front view of a vehicle instrument panel of a passenger car according to the present invention, FIG. 2 is a cross-sectional view taken along the line II-II of FIG. 1, and FIG. 3 is a control device constituting the vehicle instrument panel according to the present invention. It is a system block diagram of.
[0017]
In FIG. 1 to FIG. 3, the reference numeral 1 denotes a vehicle instrument panel. As shown in FIG. 1, the vehicle instrument panel 1 comprises a digital display speedometer and an analog display engine tachometer at the center. Main instrument panel 2, a first auxiliary instrument panel 3 on the left side comprising a fuel gauge and a cooling water thermometer of an analog display, and a second auxiliary instrument comprising a headlight level meter of an analog display and a odometer of a digital display on the right side. The instrument 4 is arranged.
[0018]
As shown in FIG. 2, each instrument is provided with a display panel 11 on the front surface of a frame 10, and on the back side of the display panel 11, an instrument body 12, two first lighting devices 14a and 14b, a liquid crystal for digital display. A display device 16 and a control device 20 are fixedly provided at appropriate positions on the frame 10, respectively. A pointer 13 driven by the instrument main body 12 and supported by a rotating shaft penetrating the display plate 11 has a display plate 11 is provided so as to be able to pivot along the surface. A second lighting device 15 is provided inside the instrument panel 5 on which the vehicle instrument panel 1 is installed. Note that the second lighting device 15 may be provided on the frame 10 having a portion that projects forward of the display panel 11.
[0019]
The display plate 11 is made of a translucent material, and the scales and characters are formed as translucent portions, and the scales and characters are displayed by the transmitted light when the first lighting devices 14a and 14b are turned on. I have. The two first lighting devices 14a and 14b are configured by lighting devices of different colors, for example, white light and red light. The pointer 13 is configured to emit light by receiving the illumination of the first illumination devices 14a and 14b on a rotating shaft portion. The second lighting device 15 is configured by a lighting device of a color different from the first lighting devices 14a and 14b, for example, blue light, and may be configured by lighting devices of two different colors. The two first lighting devices 14a and 14b and the second lighting device 15 are connected to the control device 20 by control wiring (not shown). The control device 20 is connected to an engine ignition switch, a light switch, and a door switch of the vehicle by control wiring (not shown).
[0020]
3, the control device 20 includes a control unit 21, an ignition detector 22, a light detector 23, a door open / close detector 24, a first output variable device 25, and a second output variable device 26. It is connected to one terminal of the other detector and the first terminal of the variable device. The other terminal of the ignition detector 22 is connected to an engine ignition switch 32, the other terminal of the light detector 23 is connected to a light switch 33, and the other terminal of the door open / close detector 24 is connected to a door switch 34, respectively. ing. A second terminal of the first output variable device 25 is connected to the first lighting devices 14a and 14b, a second terminal of the second output variable device 26 is connected to the second lighting device 15, and each third terminal is It is connected to the cathode of the battery 31. The control unit 21 selects an output signal, selects a device to be output, operates the first output variable device 25 and the second output variable device 26, and outputs a signal in accordance with the type and change of the input signal. Are settable in advance. The engine ignition switch 32 and the light switch 33 are connected to the anode of the battery 31, the door switch 34 is connected to the cathode of the battery 31, and the connection line between the light switch 33 and the light detector 23 is connected to the battery. A lamp 35 is provided between the cathode 31 and the cathode 31.
[0021]
The vehicle instrument panel 1 configured as described above operates as follows. Changes in operating conditions such as opening and closing the doors of passenger cars, inserting the key in the engine ignition switch, igniting the engine, operating the engine and stopping the engine, turning off the lights (daytime) and lighting the lights (nighttime) On the other hand, the state of the engine ignition switch 32 is via the ignition detector 22, the state of the light switch 33 is via the light detector 23, and the state of the door switch 34 is via the door open / close detector 24, respectively. Is input to The control unit 21 processes a signal input from each detector based on a preset control condition, selects a device to be output and an output condition, and outputs a first output variable device 25 and a second output variable device 26. And outputs an operation signal via the. Further, it outputs operation signals of the first output variable device 25 and the second output variable device 26. According to the operation signal of the control device 20, the first lighting devices 14a and 14b illuminate the display board 11 from the back side and the second lighting device 15 illuminates the display panel 11 from the front side.
[0022]
Embodiment 1
The operation of a vehicle instrument panel of a passenger car during daytime operation is as follows.
(1) When the door of a passenger car that is not in use is opened, the second illuminating device 15 of blue light is first turned on and the display panel 11 is illuminated in blue on the non-illuminated vehicle instrument panel 1. You.
(2) Next, when the driver gets into the driver's seat, inserts the key into the engine ignition switch and turns it to the ON position with the second lighting device 15 turned on, immediately or after a lapse of a predetermined time, for example, 0.5 seconds, the white light The first lighting device 14a of the first embodiment fades in and gradually becomes brighter, and illuminates the display panel 11 from the back. The second lighting device 15 is turned off when the first lighting device 14a reaches a predetermined illuminance or when the fade-in is completed. That is, in the display panel 11, the white color of the first illumination device 14a gradually increases in addition to the blue color of the second illumination device 15, and then the blue color disappears and the display plate 11 is illuminated with white.
(3) Next, when the engine is started by turning the key, the first lighting device 14a is turned off, the second lighting device 15 is turned on, and the display board 11 is illuminated in blue.
(4) Next, when the engine is started and is in the operating state, the first lighting device 14a of white light is faded in immediately or after a predetermined time, for example, 0.5 seconds, and gradually becomes bright, and the display panel 11 is turned on. Illuminate from the back. The second lighting device 15 is turned off when the first lighting device 14a reaches a predetermined illuminance or when the fade-in is completed. That is, in the display panel 11, the white color of the first illumination device 14a gradually increases in addition to the blue color of the second illumination device 15, and then the blue color disappears and the display plate 11 is illuminated with white. While the driving is continued, the display panel 11 is illuminated in white by the first lighting device 14a.
(5) Next, when driving is completed and the key is turned to the OFF position to stop the engine, the first lighting device 14a is turned off and the display board 11 is turned off.
(6) Next, when the door is opened for getting off, the second lighting device 15 of blue light is turned on for a set period of time, the display board 11 is illuminated in blue, and after a certain time, the second lighting device 15 is turned off. Then, there is no illumination.
[0023]
Embodiment 2
The first illumination device illumination changes to red light during nighttime operation as compared with the daytime operation of the first embodiment, and operates as follows.
(1) Functions similarly to the first embodiment.
(2) Next, when the driver gets into the driver's seat, inserts the key into the engine ignition switch and turns it to the ON position with the second lighting device 15 turned on, immediately or after a lapse of a predetermined time, for example, 0.5 seconds, the red light The first lighting device 14b of the first embodiment fades in, gradually becomes brighter, and illuminates the display panel 11 from the back. In other words, the display panel 11 is illuminated in red while the blue color of the first illumination device 14b gradually increases in addition to the blue color of the second illumination device 15 and then turns on in blue.
(3) Next, when the engine is started by turning the key, the first lighting device 14b is turned off and the display board 11 is illuminated in blue.
(4) Next, when the engine is started and enters the operating state, immediately or after a lapse of a predetermined time, for example, 0.5 seconds, the first illuminating device 14b of red light fades in, gradually becomes bright, and the display panel 11 is turned on. Illuminate from the back. That is, in addition to the blue color of the second illuminating device 15, the red color of the first illuminating device 14b gradually becomes stronger, and then the display panel 11 is illuminated in red with the blue lighting. While the operation is continued, the display panel 11 is illuminated in red by the first illumination device 14b in addition to the blue color of the second illumination device 15.
(5) Next, when driving is completed and the key is turned to the OFF position to stop the engine, the first lighting device 14b is turned off and the display board 11 is turned off.
(6) Functions similarly to the first embodiment.
[0024]
Embodiment 3
In the first embodiment, the effect at the time of stopping is further improved, and the following effects are obtained.
(1) Functions similarly to the first embodiment.
(2) Functions similarly to the first embodiment.
(3) Functions similarly to the first embodiment.
(4) Functions similarly to the first embodiment.
(5) Next, when driving is completed and the key is turned to the OFF position to stop the engine, the first lighting device 14a of white light fades out and goes out, gradually darkens, and goes out when the fade-out is completed. The plate 11 is turned off.
(6) Functions similarly to the first embodiment.
[0025]
Embodiment 4
In the second embodiment, the effect when the vehicle is stopped is further improved, and the following effects are obtained.
(1) Functions similarly to the second embodiment.
(2) Functions similarly to the second embodiment.
(3) Functions similarly to the second embodiment.
(4) Functions similarly to the second embodiment.
(5) Next, when driving is completed and the key is turned to the OFF position to stop the engine, the first illuminating device 14b for red light fades out and goes out, gradually darkens, and goes out when the fade-out is completed. The plate 11 is turned off.
(6) Functions similarly to the second embodiment.
[0026]
In the above, when the illumination colors of the first illumination and the second illumination, which are the most effective illumination color settings in the present invention, are set to complementary colors, the effect of the second illumination is not only reduced, but also the first illumination is reduced. The contrast with the illumination becomes clearest, and an extremely high effect can be achieved. And although the lighting method and lighting device of the instrument panel for vehicles were explained about a passenger car, the present invention is not limited to being applied only to a passenger car, but may be applied to a vehicle such as a self-propelled heavy machine or a motorcycle. Things.
[0027]
【The invention's effect】
The lighting method and the lighting device of the instrument panel for a vehicle according to the present invention are configured as described above, so that the following effects can be obtained.
(1) By using two or more different colors for lighting, the production effect was improved.
(2) By illuminating the display panel with different colors from the front side and the back side, the colors do not diminish with each other, the illumination effect is improved, and the rendering effect is improved.
(3) The lighting effect and the staging effect for facilitating the visual recognition of the display panel are improved, and it is possible to realize more comfortable safe driving.
[Brief description of the drawings]
FIG. 1 is a front view of a vehicle instrument panel according to the present invention.
FIG. 2 is a sectional view taken along the line II-II of FIG.
FIG. 3 is a system block diagram of a control device constituting a vehicle instrument panel according to the present invention.
[Explanation of symbols]
REFERENCE SIGNS LIST 1 vehicle instrument panel 2 main instrument panel 3 first auxiliary instrument panel 4 second auxiliary instrument panel 5 instrument panel panel 10 frame 11 display panel 12 instrument body 13 pointer 14 first lighting device 15 second lighting device 16 liquid crystal display device 20 Control device 21 Control unit 22 Ignition detector 23 Light detector 24 Door open / close detector 25 First output variable device 26 Second output variable device 31 Battery 32 Engine ignition switch 33 Light switch 34 Door switch 35 Light

Claims (12)

In a method for illuminating a display panel having a scale and / or a character as a light-transmitting portion from a back surface by a first lighting device provided on a back side of the display plate, the display plate is provided on a front side of the display plate. The display panel is also illuminated from the front side by the second illumination device. 2. The method of claim 1, wherein at least one of the first lighting device, the second lighting device, and the turning pointer can be illuminated with a plurality of colors. 3. 3. The method of claim 1, wherein the first lighting device and the second lighting device illuminate in different colors. 4. The lighting method of a vehicle instrument panel according to claim 1, wherein at least the first lighting device illuminates while gradually changing brightness at the time of lighting and / or turning off the light. 5. 5. The instrument panel according to claim 1, wherein the first lighting device and the second lighting device selectively illuminate by operating an engine ignition switch, a light switch, and a door switch. 6. Lighting method. The vehicle instrument panel according to any one of claims 1 to 5, wherein the first lighting device and the second lighting device selectively illuminate by operating an engine ignition switch, a light switch, and a door switch. Lighting method. A display panel having a scale and / or a character as a light-transmitting portion, and an instrument body provided on the back side of the display panel are fixedly mounted on a frame by pointing and fixing the frame to the back side of the display panel of the vehicle instrument panel. A first lighting device provided to illuminate the display panel from the back surface and a control device connected to the first lighting device, wherein the second illumination illuminates the display panel from the front side of the display panel. A lighting device for an instrument panel for a vehicle, wherein a lighting device is provided, and the second lighting device is connected to the control device. At least one of the first lighting device, the second lighting device, and the turning pointer is constituted by a lighting device of a plurality of colors, and the control device has a function of selecting a lighting device of a plurality of colors. The lighting device for a vehicle instrument panel according to claim 7, wherein: The said 1st lighting device and the said 2nd lighting device are comprised by the lighting device of a mutually different color, The said control apparatus is provided with the mutually different color selection function, The Claim 7 or Claim 7 characterized by the above-mentioned. 9. The lighting device for a vehicle instrument panel according to 8. The lighting device for a vehicle instrument panel according to claim 7, wherein the control device has at least an illuminance changing function when the first lighting device is turned on and / or turned off. 11. The control device according to claim 7, wherein the control device has a function of detecting operation of an engine ignition switch, a light switch, and a door switch, and a function of selecting the first lighting device and the second lighting device. The lighting device of the instrument panel for a vehicle according to claim 1. 12. The control device according to claim 7, wherein the control device has a function of detecting the operation of an engine ignition switch, a light switch, and a door switch, and a function of selecting the first lighting device and the second lighting device. The lighting device of the instrument panel for a vehicle according to claim 1.

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