JP4977403B2 - Vehicle display device - Google Patents

Description

  The present invention relates to a display device for a vehicle, and more particularly to a display device for a vehicle that displays a state of a vehicle in cooperation with a pointer and an index.

  In general, as shown in FIG. 4, the vehicle includes a combination meter 1 having a plurality of (four in FIG. 4) vehicle display devices 10 that display measured values such as vehicle speed, engine rotation, fuel remaining amount, and temperature. Is installed. The combination meter 1 accommodates a plurality of vehicle display devices 10, a warning 2, a shift indicator 3, and a turn 4 that covers an edge of the vehicle display device 10 in a case 5 and covers it with a front glass 6. Thus, the pointer 12 and the like of the vehicle display device 10 are protected. The combination meter 1 is attached to the vehicle by a plurality of attachment portions 7 provided in the case 5.

  As shown in FIGS. 4 and 5, the vehicle display device 10 includes a dial 11 having a scale 11 and an indicator 11 a such as a numeral, a character, or a symbol provided on the surface, and a pointer disposed on the front surface of the dial 11. 12, an internal unit 13 that drives the pointer 12 according to the measurement amount, a wiring board 14 that is provided with a circuit pattern and to which the internal unit 13 is fixed, a plurality of light sources 15 that are provided on the wiring board 14, and a case 5 A reflection surface 16 that is provided toward the wiring board 14 and reflects the light of the light source 15, and a back cover 17. The light from the light source 15 is reflected by the reflecting surface 16 and the like, and the light is guided to the dial plate 11 and the pointer 12, thereby causing the indicator 11 a of the dial plate 11 and the instruction portion 12 a of the pointer 12 to emit light.

The vehicle display device 10 for displaying the vehicle speed and the engine rotation in FIG. 4 has improved the visibility and the decorativeness by providing the decorative ring 18 provided around the indicator 11 a of the dial 11. It was. In addition, in the vehicle pointer instrument shown in Patent Document 1, in order to obtain a beautiful and novel visibility, display is performed by light emission display by a reflection portion of a light guide disposed on a dial, so that the display is three-dimensional. I had a feeling.
JP 2003-302262 A

  However, in the case of a vehicle display device mounted on a vehicle, as a method for differentiating each vehicle type (cars with different price ranges), it is necessary to distinguish between display design and novelty. In this structure, only a certain novelty was obtained, and it was necessary to provide a display form having a novelty. However, there is a problem that the structure of the vehicle display device cannot be complicated and the cost cannot be increased.

  Therefore, in view of the above-described problems, an object of the present invention is to provide a vehicle display device that performs a novel display with a simple structure.

The vehicle display device according to claim 1, which has been made in accordance with the present invention in order to solve the above-described problem, is a vehicle display device that displays a state of a vehicle in cooperation with a pointer and an index. A translucent member formed in a ring shape having a translucent three-dimensional indicator portion provided on the front side of the dial so as to be visible from the user and having the indicator formed three-dimensionally; and from the back side of the dial A light transmitting portion that transmits incident light to the front surface side and is formed to be larger than the three- dimensional indicator portion at a position facing the three-dimensional indicator portion of the dial, and the dial has the transparent portion. A step portion formed in a ring shape at the edge of the dial along the optical member, the thickness of which is thicker than the center of the dial, and the translucent member includes the step portion Is stacked on the step so as to protrude toward the center of the dial. Is characterized in that from the projecting edge and so as to emit light from the light transmitting portion toward the surface of the dial.

  According to the vehicle display device of the present invention described in claim 1 above, light from behind the dial is transmitted through the translucent portion of the dial, and is transmitted through the three-dimensional indicator portion of the translucent member and its surroundings. Thus, the user can visually recognize the translucent portion of the dial through the three-dimensional indicator portion.

Moreover, since the light incident on the translucent member from the translucent part can be emitted from the vicinity of the three-dimensional indicator part to the surface of the dial, the dial can be illuminated by light leakage.

Furthermore, since the light incident on the translucent member from the translucent part can be emitted to a wider range on the surface of the dial by the height of the stepped part, the effect of light leakage can be improved.

  As described above, according to the vehicle display device of the present invention described in claim 1, since the user can visually recognize the light-transmitting portion of the dial plate through the three-dimensional indicator portion, the three-dimensional indicator portion is transparent. Since the user can recognize the spatial spread as if floating from the section, a novel display with a three-dimensional effect can be performed. Further, since it is only necessary to form the three-dimensional indicator portion on the translucent member and form the translucent portion on the dial plate, it is possible to avoid the complicated structure. Therefore, it is possible to provide a vehicle display device that performs a novel display with a simple structure.

Further, since light leakage is generated on the surface of the dial from the translucent member, the dial is illuminated by light leakage, so that the decorativeness is improved and more innovative display can be performed.

In addition, the dial is provided with a step so that the light incident on the translucent member from the translucent part is emitted to a wider area on the dial surface. Can be improved.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS The best mode of applying a vehicle display device according to the present invention to a vehicle combination meter will be described below with reference to the drawings of FIGS. In addition, the same code | symbol is attached | subjected to the part which is the same as that of what was demonstrated in the prior art, or the detailed description is abbreviate | omitted.

  A combination meter 1 shown in FIG. 1 includes a plurality of (four in FIG. 1) vehicle display devices 10 as a speedometer A, a tachometer B, a fuel meter C, and a thermometer D, a warning 2, and a shift indicator 3. And the turn 4 which covers the edge of the vehicle display device 10 is housed in the case 5 and covered with the front glass 6. The combination meter 1 is attached to the vehicle by a plurality of (three in FIG. 1) attachment portions 7 provided on the case 5.

  Next, the configuration of the vehicle display device 10 of the present invention in the case of the speedometer A will be described below. The explanation of the vehicle display device 10 of the tachometer B, the fuel meter C, and the thermometer D is omitted because the basic configuration is the same as that of the speedometer A.

  As shown in FIGS. 2 and 3, the vehicular display device 10 includes a dial 11 provided with a scale 11 and an indicator 11a such as a numeral, a character, or a symbol on a surface (a surface visually recognized by a user), and the character. A pointer 12 disposed on the front surface of the board 11, an internal unit 13 (see FIG. 5) for driving the pointer 12 according to the measurement amount, a wiring board 14 on which a circuit pattern is provided and the internal unit 13 is fixed, A plurality of light sources 15 provided on the plate 14, a reflective surface 16 provided from the case 5 toward the wiring board 14 to reflect light of the light sources 15, a back cover 17, and a plurality of translucent members 20; The plurality of translucent members 20 and the same number of translucent portions 30 are provided.

  The dial plate 11 is made of, for example, a light-transmitting synthetic resin such as polycarbonate, and has a substantially circular shape corresponding to each meter. On the dial plate 11, an index 11 a having numbers “0 to 180” and letters “km / h” corresponding to the speedometer A or the like is formed by printing or the like. Further, a light guide plate 11b made of a light guide synthetic resin is provided on the back side of the dial plate 11. The light guide plate 11 b guides the light emitted from the light source 15 or the light reflected by the reflecting surface 16.

  The dial plate 11 includes a step portion 11c and a step portion 11d provided continuously to the step portion 11c. The step portion 11 c is formed in a ring shape on the edge portion of the dial 11 so as to follow the indicator 11 a arranged in an arc shape on the surface of the dial 11. The step portion 11c is formed so as to be thicker than the center of the dial, and the boundary is a step portion 11d.

  The translucent member 20 is laminated on the stepped portion 11c so that an inner edge portion 20a described later protrudes toward the stepped portion 11d. The height of the stepped portion 11c can be arbitrarily set in consideration of the design of the vehicle display device 10, the range in which light is leaked from the translucent member 20 onto the dial plate 11, and the like. In the best mode, the step 11c and the step 11d are formed on the dial 11. However, the step 11c and the step 11d are not formed, and the surface of the flat dial is transparent. It can also be set as the embodiment which provides the sex member 20.

  As is well known, the pointer 12 includes a pointer main body including an instruction portion 12a and a base portion, and a pointer cap 12b made of an opaque resin material such as black covering the base portion. The pointer body is rotated by the drive shaft by being fixed to the inner unit 13 via the pointer rod. The pointer main body is formed of a transparent acrylic resin, and guides the light from the light source 15 in the interior thereof, thereby causing the instruction unit 12a to emit light.

  As the internal unit 13, a well-known stepper motor, cross coil movement, or the like is used, and the pointer 12 is driven according to the measurement amount. The light source 15 uses an LED, a bulb or the like, and is controlled to be turned on and off by a control unit (not shown).

  The translucent member 20 includes a three-dimensional indicator portion 21 which is provided on the front side of the dial 11 so as to be visible from the user and is three-dimensionally formed in a shape corresponding to a scale which is an indicator. Yes. The translucent member 20 is formed of a light guide resin member such as acrylic resin in a ring shape corresponding to the step portion 11c.

  The translucent member 20 has an edge portion 20a that protrudes toward the center of the dial 11 when stacked on the step 11c. The translucent member 20 has an inclined surface 20 b that is inclined toward the center of the dial 11. The translucent member 20 has a fixing portion 22 that is sandwiched and fixed between the facing 4 and the case 5. The fixing portion 22 is covered with the turn 4 and is invisible to the user.

  The three-dimensional indicator portion 21 is formed integrally with the translucent member 20 in a state of protruding from the surface of the translucent member 20. That is, the solid index part 21 is translucent. The end of the three-dimensional indicator portion 21 is fitted into the concave portion 4a of the turn-back 4. In the best mode, the case where the solid index portion 21 is formed as a scale has been described. However, letters, numbers, and the like can be formed into a solid shape.

The translucent portion 30 is formed larger than the three- dimensional indicator portion 21 at a position facing the three-dimensional indicator portion 21 on the dial 11. The translucent part 30 is formed on the dial 11 with translucent ink so as to be wider than the width of the three-dimensional indicator part 21. That is, in the step portion 11 c, only the light transmitting portion 30 transmits light from the back side of the dial 11.

  Next, an assembly example of the vehicle display device 10 according to the present invention having the above-described configuration will be described below.

  A light source 15 is provided on the wiring board 14, and the wiring board 14 is attached to the case 5. When the dial 11 is fixed to the case 5, the translucent member 20 is laminated on the step portion 11 c of the dial 11. Then, the three-dimensional indicator portion 21 of the translucent member 20 is fixed with the look-back 4 so that the position corresponds to the indicator 11 a of the dial 11. The pointer 12 is disposed on the front side of the dial 11.

  Next, an example of the operation (action) of the vehicle display device 10 according to the present invention described above will be described.

  When the light source 15 is turned on by control from a control unit (not shown), the lights L and L1 are reflected directly or by the reflecting surface 16 of the case 5 and enter the stepped portion 11c of the dial plate 11. Only the dial 11 is transmitted. Then, the light L emitted from the translucent part 30 enters the translucent member 20 and is emitted toward the user from the three-dimensional indicator part 21 and its surroundings. Therefore, since the spatial spread can be recognized by the user as if the three-dimensional indicator portion 21 floats from the translucent portion 30, a novel display with a three-dimensional effect can be performed.

  Further, the light L <b> 1 is guided through the translucent member 20 and emitted from the edge 20 a toward the center of the dial 11. That is, the surface portion of the dial 11 corresponding to the three-dimensional indicator portion 21 and the translucent portion 30 is illuminated. Therefore, since light leaks from the translucent member 20 to the surface of the dial plate 11, the dial 11 is illuminated by the light leak to improve decorativeness and display more innovatively. it can.

  Furthermore, since the dial 11 is provided with a step portion 11d, the light incident on the translucent member 20 from the translucent portion 30 can be emitted to a wider range on the surface of the dial 11, so The lighting effect due to light leakage can be improved.

  As described above, according to the vehicular display device 10 of the present invention, since the user can visually recognize the translucent part 30 of the dial 11 through the three-dimensional indicator part 21, the three-dimensional indicator part 21 becomes the translucent part. Since the spatial spread can be recognized by the user as if floating from 30, a novel display with a stereoscopic effect can be performed. Moreover, since it is only necessary to form the three-dimensional indicator portion 21 on the translucent member 20 and the translucent portion 30 on the dial plate 11, it is also possible to avoid a complicated structure. Accordingly, it is possible to provide the vehicle display device 10 that performs a novel display with a simple structure.

  In the above-described best mode, the case where the light guide plate 11b is provided on the dial 11 to guide the light from the light source 15 has been described. However, the present invention is not limited thereto. Various embodiments such as transmitting light directly from the light transmitting portion 30 and transmitting reflected light of the reflecting surface 16 can be used.

  The vehicle display device 10 of the present invention is in a light emitting display state in which the display content is visible when the ignition switch is on, for example, and in a non-light emitting display state so that the display content is invisible when the ignition switch is off. It can also be applied to a so-called black face type combination meter having a smoke panel with low light transmittance.

It is a front view which shows an example of the combination meter which has the display apparatus for vehicles of this invention. It is the partially broken enlarged view which expanded the part of the solid index part of the display apparatus for vehicles in FIG. It is a cross-sectional enlarged view for demonstrating the light guide of the solid index part in FIG. It is a front view of the conventional combination meter. It is sectional drawing of the display apparatus for vehicles in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Combination meter 4 Look-back 10 Display apparatus for vehicles 11 Dial 12 Pointer 11c Step part 15 Light source 16 Reflection part 20 Translucent member 21 Three-dimensional index part 30 Translucent part

Claims (1)

In the vehicle display device that displays the state of the vehicle in cooperation with the pointer and the index,
Dial,
A translucent member formed in a ring shape having a translucent three-dimensional indicator portion provided on the front side of the dial so as to be visible from a user and having the indicator three-dimensionally formed ;
A light-transmitting portion that transmits light incident from the back side of the dial to the front side and is formed larger than the three- dimensional indicator portion at a position facing the three-dimensional indicator portion of the dial ;
The dial has a step formed in a ring shape at the edge of the dial along the translucent member, the thickness of which is thicker than the center of the dial, and
The translucent member is laminated on the step portion so as to protrude from the step portion toward the center of the dial, and the translucent member is directed toward the surface of the dial from the protruding edge portion. A vehicle display device characterized by emitting light from a portion .

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