JP4977447B2 - 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 provided on the front surface of a dial and a three-dimensional index.

  In general, as shown in FIG. 6, 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, temperature, and the like. 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. 6 and 7, the vehicular display device 10 includes a dial 11 having a scale 11 and an index 11 b 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 b of the dial plate 11 and the instruction unit 12 a of the pointer 12 to emit light.

The vehicle display device 10 that displays the vehicle speed and the engine rotation in FIG. 6 has improved the visibility and decorativeness by providing a decorative ring 18 that is provided around the indicator 11b 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 is made according to the present invention in order to solve the above-described problem, displays the state of the vehicle in cooperation with a pointer provided on the front side of the dial and a three-dimensional indicator. And a plurality of three-dimensional index light sources that emit light that is mounted on the wiring board and guides the inside of the three- dimensional index. Is formed by the light guide member and a plurality of scale portions provided on the surface side of the dial plate so as to extend from the edge of the dial plate and formed as a mark of the state of the vehicle by the light guide member And a plurality of light receiving portions that receive light that guides the inside of the scale portion, and the plurality of scale portions and the plurality of light receiving portions are formed in a ring shape by the light guide member and the plurality of light receiving portions. The light received by the light receiving unit of the plurality of eyes It has a connecting portion for guiding the respective parts, and each of the plurality of light receiving portions is characterized in that it is formed so as to extend toward the three-dimensional indicator light source from the connection portion.

According to the vehicle display device of the present invention described in claim 1 above, the three-dimensional index is provided on the surface side of the dial so as to extend from the edge of the dial toward the center, and the inside is guided. Since it was made to comprise with the shining light, a solid parameter | index can be visually recognized as it floated from the dial. Since the light from the three-dimensional index light source is guided through the scale section of the three-dimensional index, the scale section can emit light uniformly and in an appropriate amount. In addition, since the plurality of scale portions and the plurality of light receiving portions are connected by a connecting portion, and the light received by the light receiving portion is guided to each of the plurality of scale portions, the plurality of scale portions are shared by a common three-dimensional index. It can be illuminated with a light source.

  According to a second aspect of the present invention, in the vehicle display device according to the first aspect, the scale portion is provided so as to form a gap with the surface of the dial.

  According to the vehicle display device of the present invention described in claim 2, since the three-dimensional index is arranged on the front side of the dial so as to form a gap with the dial, It can be visually recognized as if it is further lifted from the dial.

According to a third aspect of the present invention, in the vehicular display device according to the first or second aspect , the three-dimensional index includes light received by the light receiving unit at a portion where the light receiving unit and the connecting unit are connected to each other. It has the reflection part reflected toward a scale part, It is characterized by the above-mentioned.

According to the vehicle display device of the present invention described in claim 3 , the reflected light is formed in the portion where the light receiving portion and the connecting portion are connected to reflect the received light toward the plurality of scale portions. Therefore, the light can be efficiently guided to the plurality of scale portions.

Invention of Claim 4 has the cover part which covers the said three-dimensional parameter | index so that only the said scale part can be visually recognized from an observer in the display apparatus for vehicles of any one of Claims 1-3. It is characterized by.

According to the vehicle display device of the present invention described in claim 4 , since only the scale portion of the three-dimensional indicator portion is made visible to the observer by the cover portion, only the scale portion seems to be lifted from the dial. Can be visually recognized.

As described above, according to the vehicle display device of the present invention described in claim 1, the three-dimensional index can be visually recognized as if it floats from the dial, and the scale portion can emit light uniformly. The three-dimensional effect of the three-dimensional index can be emphasized to provide a novel and aesthetic display expression. Therefore, it is possible to provide a vehicle display device that performs a novel display with a simple structure. In addition, since the light received by the light receiving unit can be guided to each of the plurality of scale units by the connecting unit, the plurality of scale units can be illuminated with a common solid index light source and the assemblability of the solid index can be improved. .

  According to the second aspect of the present invention, in addition to the effect of the first aspect of the invention, the three-dimensional index can be visually recognized as if it is further lifted from the dial, so that the three-dimensional effect of the three-dimensional index is emphasized. New and aesthetic display.

According to the invention of claim 3 , in addition to the effect of the invention of claim 1 or 2 , the light received by the light receiving unit by the reflecting unit can be efficiently guided to the plurality of scale units, The scale portion can be made to emit light with a more uniform and appropriate amount of light to improve the illumination effect.

According to the invention of claim 4 , in addition to the effect of the invention of any one of claims 1 to 3 , only the scale portion can be visually recognized as if it is lifted from the dial, and thus further. It can be a novel and aesthetic display expression.

  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 (two in FIG. 1) vehicle display devices 10 as a speedometer A and a tachometer B, and a turnover 4 that covers the edges of the two vehicle display devices 10. ,have. And the combination meter 1 is mounted in a vehicle in the state which accommodated them in the case 5 and covered with the surface glass which is not shown in figure. In addition, the combination meter 1 can also add other gauges, such as a water temperature gauge and a fuel gauge, as the display apparatus 10 for vehicles.

  Moreover, the said surface glass is formed with colored translucent members, such as a smoke panel with low transmittance | permeability. The said front glass permeate | transmits the light which permeate | transmitted the parameter | index part 11b of the dial plate 11, and radiate | emits it toward a user. That is, the case of an embodiment in which the indicator portion 11b is visible when the light source 15 shines and the visual recognition is blocked when the light source 15 does not shine will be described. However, the present invention can also use a transparent front glass. .

  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 description of the vehicle display device 10 of the tachometer B 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 plate 11, a pointer 12 disposed on the front side of the dial plate 11, and an internal unit 13 that drives the pointer 12 according to a 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 wiring board 14; and a light source 15 reflected from the case 5 toward the wiring board 14 A tapered reflecting member 16, a back cover 17 (see FIG. 5), a decorative ring 18, a three-dimensional index 20 arranged on the front side of the dial 11, and a three-dimensional index light source for illuminating the three-dimensional index 20. 30.

  The dial 11 is made of, for example, a dial cloth 11a formed of a translucent synthetic resin such as polycarbonate in a substantially circular plate shape corresponding to each meter, and an indicator portion 11b provided on the front surface of the dial cloth 11a. And a light shielding portion 11c provided on the front surface of the dial fabric 11a other than the indicator 11b.

  The dial fabric 11 a transmits light from the light source 15 toward the front surface of the dial 11. As shown in FIG. 1, the indicator portion 11 b is formed with a design such as numbers “0 to 180” and characters “km / h” corresponding to the speedometer A by printing a translucent member. The light shielding part 11c is formed by printing a non-translucent member such as black. By configuring the dial 11 in this manner, when the light source 15 shines, the light passes through the dial cloth 11a and is emitted from the indicator portion 11b toward the observer, so that the observer emits the indicator portion 11b. Visually as if it were.

  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, and the like. The light source 15 is mounted on the wiring board 14 and controlled to be turned on and off by a control unit (not shown).

  The reflecting member 16 is formed in a tapered shape with a synthetic resin or the like, and a reflecting surface for improving the reflectance is formed on the surface thereof. The back cover 17 is assembled to the case 5 so as to cover the back of the wiring board 14 and the like.

  The decorative ring 18 corresponds to a cover portion that covers the three-dimensional index 20 so that only the scale portion 21 is visible to the observer. The decorative ring 18 is formed in a ring shape by a non-translucent member, and covers the three-dimensional index 20 so that only the scale portion 21 can be seen by an observer. In the best mode, the case where the decorative ring 18 is used as a cover will be described. Further, the decorative ring 18 can be arbitrarily designed according to product specifications, such as being formed of a translucent member.

  As shown in FIGS. 2 and 3, the three-dimensional index 20 includes a plurality of scale parts 21, a plurality of light receiving parts 22, a plurality of connecting parts 23, and a fitting part 24, which are acrylic resins. The light guide resin member such as polycarbonate is integrally formed.

  The scale portion 21 corresponds to a scale that serves as a mark for the speed state of the vehicle, and has a first scale 21a for the indicator portion 11b of the dial 11 and a second scale 21b that is smaller than the first scale 21a. is doing. The basic configuration of the first scale 21a and the second scale 21b is the same.

  The scale part 21 is formed as a substantially rectangular parallelepiped so as to become thinner as it goes to the tip. That is, the tip portion of the scale portion 21 is formed in a substantially needle shape. In addition, about the shape of the scale part 21, it can also be set as various different shapes, such as a simple rectangular parallelepiped, a substantially cone shape, and a substantially bullet shape.

  The scale portion 21 has a step portion 211 that protrudes from the back surface near the tip toward the surface of the dial plate 11, and the step portion 211 is in contact with the surface of the dial plate 11. That is, a gap G is formed between the back surface of the scale portion 21 corresponding to the height of the step portion 211 and the front surface of the dial plate 11. By forming the gap G in this way, the stereoscopic effect of the scale portion 21 can be emphasized. Further, the scale portion 21 has a convex portion 212 having a substantially triangular cross section on the upper surface thereof, so that the three-dimensional effect can be further emphasized and the scale portion 21 can have a high-class feeling.

  Although the scale portion 21 can be lifted from the dial 11 without forming the step portion 211 on the scale portion 21, the step portion 211 is provided with the step portion 211 as in the present embodiment so that the scale portion 21 can be scaled. Since the portion 21 can be brought into contact with the dial plate 11, the strength of the scale portion 21 can be secured and the occurrence of distortion due to heat can be prevented. Further, since the scale portion 21 is not rubbed against the dial plate 11, the display quality can be improved.

  As shown in FIGS. 3 and 4, the scale part 21 has a reflecting surface 213 that reflects light L <b> 1 formed at the tip thereof and guided through the scale part 21 in the observer direction (upward in the figure). ing. Since the light L1 guided toward the tip in the scale portion 21 is reflected in the observer direction by the reflecting surface 213, the tip portion of the scale portion 21 can be strongly shined. can do.

  As shown in FIGS. 3 and 4, the scale part 21 has a diffuse reflection part 214 formed on the back side thereof by hot stamp printing, embossing, or the like. Since the irregular reflection part 214 irregularly reflects the light L <b> 2 that is guided in the scale part 21, a sufficient amount of light can be guided to the tip of the scale part 21. In this way, the irregular reflection part 214 can diffuse the light to uniformly emit the entire scale part 21, so that the stereoscopic effect of the scale part 21 can be further emphasized to provide a novel and aesthetic display expression. .

  As shown in FIGS. 3 to 5, the light receiving unit 22 is provided on a light receiving unit main body 22 a provided to be orthogonal to an axis extending in the longitudinal direction of the scale unit 21, and one end side of the light receiving unit main body 22 a. A light receiving surface 22b that receives light from the three-dimensional index light source 30, a reflection surface 22c provided near the outer periphery on the other end side of the light receiving portion main body 22a, and an inner periphery on the other end side of the light receiving portion main body 22a. And a plurality of (two in FIG. 3) sub-reflection surfaces 22d.

  When the light receiving unit 22 configured as described above receives light from the light receiving surface 22b into the light receiving unit main body 22a, the light is guided in the light receiving unit main body 22a toward the other end side. Then, as shown in FIG. 5, a part of the guided light L3 is reflected by the reflecting surface 22c toward the one sub-reflecting surface 22d, and reflected by the sub-reflecting surface 22d toward the scale portion 21. Then, the inside of the connecting portion 23 is guided.

  The connecting portion 23 is formed in a substantially ring shape so as to connect the plurality of scale portions 21 and the plurality of light receiving portions 22. When the connecting portion 23 is arranged along the outer periphery of the dial 11, each of the plurality of scale portions 21 is positioned at a predetermined position on the surface of the dial 11. Then, the light from the light receiving unit 22 is guided toward each of the plurality of scale units 21.

  The fitting portion 24 is formed in a groove shape that fits into a mounting portion 16 a formed in a convex shape on the reflecting member 16. Moreover, the fitting part 24 has the positioning part which is not shown in figure, and the some scale part 21 is arrange | positioned in a predetermined position. Then, the three-dimensional index 20 is attached to the reflecting member 16 by fitting the fitting portion 24 to the attachment portion 16a.

  As in the light source 15 described above, the three-dimensional index light source 30 is an LED, a bulb, or the like, mounted on the wiring board 14, and controlled to be turned on and off by a control unit (not shown). The three-dimensional index light source 30 is partitioned by the reflecting member 16 so as not to interfere with the light source 15 described above. The display color of the three-dimensional indicator light source 30 is set according to the specification of the vehicle display device 10 such as the same display color as the light source 15 or a different display color.

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

  When the light source 15, the three-dimensional indicator light source 30, and the like are mounted on the wiring board 14, the wiring board 14 is attached to the reflecting member 16. The dial 11 is attached to the reflecting member 16, and the fitting portion 24 is fitted to the attaching portion 16 a of the reflecting member 16, so that the scale portion 21 of the three-dimensional index 20 has a gap G between the dial 11. It is attached to the wiring board 16 in a state where is formed. Then, the edge of the dial 11 is covered with the decorative ring 18, so that the surface of the dial 11 is arranged near the other end side of the scale portion 21 of the three-dimensional indicator 20 that is not covered with the decorative ring 18. . That is, only the scale portion 21 that is provided so as to extend from the edge portion of the dial 11 and that is formed by the light guide member as a mark of the speed state of the vehicle is visually recognized by the observer.

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

  When the three-dimensional index light source 30 is turned on by control from a control section (not shown), the light is guided in the light receiving section 22 of the three-dimensional index 20 and is directed toward the connecting section 23 by the reflection surface 22c and the sub-reflection surface 22d. The light is reflected, and the light is guided in the connecting portion 23 toward each solid index 20. Then, the light is guided through the scale portion 21 toward the tip, and a part of the light irregularly reflected by the irregular reflection portion 214 is emitted from the convex portion 212 toward the observer. Therefore, the observer visually recognizes the scale portion 21 to emit light with the color of the irregular reflection portion 214 through the convex portion 212. In addition, since the light that has reached the tip of the scale portion 21 is reflected in the observer direction by the reflecting surface 213, the tip portion of the scale portion 21 can be strongly shined, so that the display expression is further innovative and aesthetic. Can do.

  According to the vehicle display device 10 described above, the three-dimensional index 20 can be visually recognized as if it floats from the dial 11 and the scale portion 21 can emit light uniformly. It can be emphasized to create a novel and aesthetic display expression. Therefore, it is possible to provide the vehicle display device 10 that performs a novel display with a simple structure. Moreover, since only the scale part 21 can be visually recognized as if it floated from the dial 11, it can be made a more novel and aesthetic display expression.

  In the above-described best mode, the scale portion 21 and the light receiving portion 22 are connected by the connecting portion 23. However, the present invention is not limited to this, and the scale portion 21 and the light receiving portion 22 are connected to each other. Various embodiments can be made, such as being directly integrated.

  Further, in the vehicle display device 10 described above, the case where the scale portion 21 is a scale of a speedometer has been described, but the present invention is not limited to this, and various indexes such as a speedometer number may be used. Can do. Moreover, although all the scales are the scale parts 21, only different scales corresponding to the indicators 11 b on the dial 11 can be used as the scale parts 21.

  Furthermore, in the vehicle display device 10 described above, the case where the reflecting portion 22c and the sub-reflecting portion 22d are formed in the portion that connects the light receiving portion 22 and the connecting portion 23 has been described. If light can be guided from 22 to the connecting portion 23 and the scale portion 21, the reflecting portion can be excluded from the configuration.

  As described above, the above-described embodiments are merely representative forms of the present invention, and the present invention is not limited to the embodiments. That is, various modifications can be made without departing from the scope of the present invention.

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 expanded sectional view which expanded the part of the solid parameter | index in the display apparatus for vehicles in FIG. It is a figure for demonstrating an example of the external appearance of the solid parameter | index in FIG. It is an expanded sectional view of the part X in FIG. It is a figure for demonstrating the light guide in a solid parameter | index. 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 15 Light source 18 Decoration ring (light-shielding part)
20 Three-dimensional index 21 Scale part 22 Light receiving part 22c Reflective part 22d Sub-reflective part (reflective part)
23 Connecting part 30 Light source for three-dimensional index G Gap

Claims (4)

In the vehicle display device that displays the state of the vehicle in cooperation with the pointer provided on the front side of the dial and the three-dimensional index,
A wiring board provided opposite to the back surface of the dial, and a plurality of three-dimensional index light sources that emit light that is mounted on the wiring board and guides the inside of the three-dimensional index ,
The three-dimensional indicator is provided on the surface side of the dial so as to extend from an edge of the dial and is formed by a light guide member as a mark of the state of the vehicle, and the light guide A plurality of light-receiving portions that are formed by a member and receive light that guides the inside of the scale portion, and the light-guiding member is formed in a ring shape so as to connect the plurality of scale portions and the plurality of light-receiving portions. And a connecting portion for guiding the light received by the plurality of light receiving portions to each of the plurality of scale portions ,
Each of the plurality of light receiving portions is formed so as to extend from the coupling portion toward the light source for the three-dimensional indicator . The vehicular display device according to claim 1, wherein the scale portion is provided so as to form a gap with the surface of the dial. The solid indicator, to claim 1 or 2, characterized in that it has a reflecting portion for reflecting the light received by the light receiving portion at a portion between the light receiving portion and the connecting portion is connected to said plurality of graduation The vehicle display device described. The vehicle display device according to any one of claims 1 to 3 , further comprising a cover portion that covers the solid index so that only the scale portion is visible from an observer.

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