JP2000046595A - Measuring instrument - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a measuring instrument capable of improving commodity property and design performance. SOLUTION: A dial (display plate) 5 has a display index 4. A facing plate (reflecting display part member) 19 has a slant surface 20 in a specular state which has a specific angle to the dial 5. The lower end portion of the slant surface 20 is arranged to overlap with a part of graduations 4a being the display index 4. Direct visual recognition graduations 4a1 directly visually recognize the graduations 4a. Reflection visual recognition graduations 4a2 visually recognize the graduations 4a through reflection by the slant surface 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an instrument device such as an instrument for a vehicle or a clock, and more particularly to a scale of a display index and a display structure of a pointer for indicating the display index.

[0002]

2. Description of the Related Art A conventional meter device will be described with reference to, for example, a vehicle meter shown in FIG. Vehicle instrument is LE
A plurality of light sources 1 including a D, a bulb, and the like are housed in a case body 2, and a character as a display plate is formed by printing a transparent display index 4 such as a character, a numeral, or a scale in an opening 3 of the case body 2. A plate 5 is provided, and the display index 4 of the dial 5 is configured to be transmitted and illuminated by the light source 1 from behind.

[0003] Behind the dial 5 provided in the opening 3, a light receiving unit 8 for guiding the light emitted from the light source 1 to a pointing unit 7 of a pointer 6 for pointing a display index 4 is provided. Further, a light guide 9 for uniformly transmitting and illuminating the display index 4 of the dial 5 with the light of the light source 1 is provided. A printed circuit board 10 is provided in the case body 2. The printed circuit board 10 is provided with, for example,
An instrument main body 11 composed of a cross-coil instrument, a light source 1, electronic components (not shown), and the like are mounted. The instrument body 11
A rotating magnet (not shown) is provided as a movable part that follows a change in a magnetic field generated by a drive signal to the cross coil, and a light emitting type indicator 7 is provided at the tip of a rotating shaft 12 erected from the rotating magnet. The pointer 6 is fixed. Therefore, the indicator 7 of the pointer 6 operated by the instrument body 11
By comparing and reading the display index 4 formed on the dial 5, the change in the measured amount can be known.

On the other hand, on the front face of the dial 5, a return plate 13 disposed at the upper end of the case body 2 and covering the area other than the visible area of the dial 5, and an elastic member such as rubber is provided above the return plate 13. (E.g., rubber packing) and a translucent front plate 15 made of acrylic, polycarbonate, or the like, which is provided with a translucent front plate 15 interposed therebetween. The substantially U-shaped fixing member 16 is provided and fixed, for example, by caulking.

[0005]

In the vehicle instrument described above, it is necessary to dispose a return plate 13 in consideration of light leakage from a gap between the case body 2 and the dial 5. Is to cover the peripheral portion of the dial 5,
There is a problem that the visible range of the dial 5 cannot be expanded beyond a predetermined size, and the degree of freedom of the design of the dial 5 is impaired. In addition, such a vehicle instrument has a problem that the display index 4 of the dial 5 and the indicator 7 of the hands 6 are only illuminated during night driving, and the design lacks design. I have. Therefore, there is a demand for a lighting device that can improve the merchantability and design.

The present invention has been made in view of the above problems and provides an instrument device which can improve the merchantability and design of the instrument device.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention has a display plate on which a scale is formed, and a mirror-like inclined surface having a predetermined angle with respect to the display plate. A reflective display member arranged so that a lower end thereof overlaps a part of the scale, a direct visual scale for directly recognizing the scale, and a reflective visual scale for visually recognizing the scale by reflection from the inclined surface. It is.

In addition, the display device has a display plate, a pointer that rotates on the display plate, a light source that illuminates the pointer, and a mirror-like inclined surface having a predetermined angle with respect to the display plate. And a reflective display member disposed on the pointer, and irradiates light emitted from the light source from the tip of the indicator of the pointer toward the inclined surface.

A display plate on which a display index is formed, a pointer for indicating the display index, a light source for illuminating the display index and the pointer, and a light guide disposed behind the display plate; A reflective display member having a mirror-like inclined surface having a predetermined angle with respect to the display plate, and a lower end portion of the inclined surface being disposed so as to overlap a part of a scale serving as the display index; A direct visual scale for visual recognition, and a reflective visual scale for visually recognizing the scale by reflection from the inclined surface, guiding light emitted from the light source to the pointer by the light guide, and instructing the light by the pointer. Irradiation is performed from the tip of the portion toward the inclined surface.

In addition, a reflecting layer for improving the reflection efficiency is formed on at least one of the front and back surfaces of the indicator of the pointer.

Further, the reflection display member is formed of a facing plate which covers an area other than the viewing area of the display panel.

Further, the inclined surface is an inclined surface extending from a lower end portion to an upper end portion.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention has a mirror-like inclined surface 20 which spreads at a predetermined angle from a lower end to an upper end with respect to a dial 5 serving as a display plate on which a display index 4 is formed. By providing a return plate 19 serving as a reflective display member so that the lower end of the inclined surface 20 overlaps a part of the scale 4a of the display index 4, the direct visual scale 4 for directly viewing the scale 4a is provided.
a1 and a graduation 4a for visually recognizing the scale 4a by reflection from the inclined surface 20 of the return plate (reflective display member) 19;
With the configuration of 2, the scale design of the dial 5 can be greatly visually recognized within the limited visible range, and the merchantability and design as a vehicle instrument can be improved.

The present invention also provides a dial 5 on which a display index 4 is formed, a pointer 6 for indicating the display index 4, and a display index 4
And a light source 1 for illuminating the hands 6, a light guide 9 disposed behind the dial 5, and a mirror-like inclined surface extending at a predetermined angle from the lower end toward the upper end with respect to the dial 5. Face 2
0, and a return plate 19 disposed on the dial 5, and the light emitted from the light source 1 is transmitted by the light guide 9 to the pointer 6.
And irradiates the light from the tip of the indicator 7 of the pointer 6 toward the inclined surface 20 of the dial plate 19. Therefore, the light to be irradiated is irradiated on the inclined surface 20 as a converging point P according to the tip shape of the indicating unit 7, and the converging point P also moves according to the rotation of the indicating unit 7. As for the display form of the vehicle instrument, the vehicle state can be displayed by two display forms, that is, the display by the pointer 6 and the display by the light condensing point P, thereby improving the merchantability and design of the instrument device. It is possible to do.

By forming a reflective layer 22 of white color on the front and back surfaces of the pointer 7 of the pointer 6, light condensed from the light source 1 to the pointer 7 of the pointer 6 via the light guide 9 can be obtained. The reflection efficiency is increased by the reflection layer 8, and the light is efficiently radiated from the front end of the pointing unit 7.

Further, according to the present invention, by providing the lower end portion of the mirrored inclined surface 20 of the return plate 19 so as to overlap a part of the scale 4a of the display index 4, a direct visual scale for directly visualizing the scale 4a. 4a1 and a reflection visual scale 4a2 for visually recognizing the scale 4a by reflection from the inclined surface 20. The light emitted from the light source 1 is guided to the pointer 6 by the light guide 9, and the light is directed to the indicator 7 of the pointer 6. It is possible to further improve the merchantability and design as an instrument device by irradiating the light from the front end toward the inclined surface 20.

Further, the mirrored inclined surface 20 is turned back to the plate 1.
By forming the measuring device 9, it is possible to improve the merchantability and design of the instrument device with a conventional simple configuration without employing a complicated configuration.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described with reference to embodiments shown in the accompanying drawings. In the present embodiment, a vehicle instrument will be described as an example of the instrument device as in the conventional example.

A first embodiment of the present invention will be described with reference to FIGS. In such an instrument for a vehicle, a printed circuit board 10 is disposed on the bottom of a case body 1, a light source 1 and an instrument main body 11 are mounted on the printed circuit board 10, and an opening of the case body 1 is opened by light emitted from the light source 1. This is a structure for illuminating a dial (display panel) 5 and an indicator 7 of a pointer 6 disposed on the display 3.

The instrument device 11 has a pointer 6 having a light-emitting indicator 7 fixed to the tip of a rotating shaft 12. The indicator 6 is formed between the display index 4 formed on the dial 5 and the indicator 7 of the indicator 6. It is a well-known method in which a change in a measured amount can be known by comparison reading. The instrument main body 11 is electrically connected to the printed circuit board 10 via a terminal (not shown) provided at a lower part thereof.

The dial 5 has a circular shape and is obtained by printing and forming a colored layer made of, for example, red or green light on a transparent substrate 17 of polycarbonate or the like, as shown in FIGS. A display index 4 as shown is formed,
On the other surface of the transparent substrate 17, a light-shielding portion 18 for shielding light emitted from behind the dial 5 is formed by printing.

A light guide 9 is disposed behind the dial 5. The light guide 9 receives light for efficiently guiding light emitted from the light source 1 to the indicator 7 of the pointer 6. The portion 8 is formed to extend toward the light source 1 located on the lower side, and uniformly illuminates the display index 4 of the dial 5.

On the other hand, on the front face of the dial 5, a facing plate (reflective display member) 19, which is a feature of the present embodiment, is provided at the upper end of the case body 2, and a rubber or the like is provided above the facing plate 19. Translucent front plate 15 disposed via elastic member 14
And the facing plate 19 and the front plate 15 are
A fixing member 16 having a substantially U-shaped cross section at the upper end of
For example, it is arranged and fixed by swaging.

The return plate 19 has an inclined surface 20 which extends at a predetermined angle from the lower end on the dial 5 side to the upper end on the front plate 15 side. Mirror surface layer 21 which becomes a mirror surface state by vapor deposition or the like
Is formed. The dial plate 19 is disposed on the dial 5 such that the lower end of the inclined surface 20 overlaps a part of the scale 4a which is the display index 4 of the dial 5.

In the first embodiment, the inclined surface 20 of the return plate 19 is used.
Is formed on the dial 5 so that the inclined surface 20 overlaps a part of the scale 4a of the display index 4 so that the scale 4a of the display index 4 is formed. A direct visual scale 4a1 for directly visualizing
It is characterized in that it is constituted by a reflection visual scale 4a2 visually recognized by reflection by the mirror surface layer 21 formed on the inclined surface 20.

Therefore, in the first embodiment, by providing the reflection visual scale 4a2, the scale design of the dial 5 can be greatly visually recognized within the limited visible range.
It is possible to improve the merchantability and design as a vehicle instrument. In addition, the conventional facing plate 1
Since the above-described configuration can be obtained by using the nine inclined surfaces 20, it is possible to improve the merchantability and design with a simple configuration without employing a complicated configuration.

Next, a second embodiment of the present invention will be described with reference to FIGS. 4 to 6. The same or corresponding parts as those of the conventional example or the first embodiment are denoted by the same reference numerals and detailed description thereof will be given. Description is omitted.

The vehicle instrument according to the second embodiment differs from the vehicle instrument according to the first embodiment in that a return plate is provided so that the lower end of the inclined surface 20 provided with the mirror surface layer 21 does not overlap the scale 4a of the display index 4. 19 is provided on the dial 5, and the white reflective layer 22 is formed on the front and back surfaces of the indicator 7 of the pointer 6 by means such as a hot stamp.

The instrument for a vehicle according to the second embodiment focuses light emitted from the light source 1 on the indicator 7 of the pointer 6 via the light receiving section 8 and the light guide 9 during nighttime illumination. The condensed light is emitted from the tip of the pointing unit 7 toward the mirrored inclined surface 20 by the mirror surface layer 21. Therefore, the irradiated light is directed onto the inclined surface 20 by the indicator 7.
Irradiation is performed as a focusing point P according to the tip shape of
The light-collecting point P also moves in accordance with the rotation of the instruction unit 7, and the vehicle state is displayed by two display forms, namely, the display by the pointer 6 and the display by the light-collection point P, as the display forms of the vehicle instrument. It is possible to display the information, and it is possible to improve the merchantability and design of the instrument for a vehicle. The light condensed on the indicator 7 of the pointer 6 has its reflection efficiency increased by the reflective layer 22 and is efficiently emitted from the tip of the indicator 7.

Next, a third embodiment of the present invention will be described with reference to FIGS. 7 to 9. The same or corresponding parts as those in the conventional example or the first and second embodiments are denoted by the same reference numerals. A detailed description is omitted.

The instrument for a vehicle according to the third embodiment shows a display form based on a combination of the first embodiment and the second embodiment. That is, in the third embodiment, the return plate 19 is disposed on the dial 5 so that the lower end of the inclined surface 20 in the mirror state is overlapped with a part of the scale 4a of the display index 4 by the mirror surface layer 21 so as to be directly viewed. A scale 4a1 and a reflection visual scale 4a2 are formed, and a reflective layer 22 is provided on the front and back surfaces of the indicator 7 of the pointer 6.
Is formed.

The instrument for a vehicle according to the third embodiment allows the scale design of the dial 5 to be greatly visually recognized within the visible range limited by the reflection visual scale 4a2. By irradiating the converging point P according to the shape onto the inclined surface 20 on which the scale 4a is projected, it is possible to display the vehicle state in two display modes, a display by the pointer 6 and a display by the converging point P. This makes it possible to further improve the merchantability and design as a vehicle instrument.

In each of the above-described embodiments, a description has been given using a vehicle instrument for displaying one vehicle state. However, for example, a speedometer, a tachometer, a fuel gauge, a thermometer, and the like are provided in one case. The present invention can also be applied to a stored combination meter. In this case, the same effect as in each of the above-described embodiments can be obtained by arranging a facing plate having a mirrored inclined surface at a position corresponding to the dial of each instrument. Can be

In each of the above-described embodiments, the return plate 19 is used.
The inclined surface 20 is formed as a mirrored inclined surface by a mirror surface layer 21 formed by chrome plating, aluminum vapor deposition, or the like. For example, a mirror-finished surface of stainless steel or the like is attached to the inclined surface 20 of the return plate 19. The mirrored inclined surface of the present invention is not limited to the above-described embodiments.

Further, in each of the above-described embodiments, the reflection display member is formed by using the facing plate 19 covering the area other than the viewing area. However, in the present invention, the reflection display member having the mirror-like inclined surface is provided. May be configured.

Further, the present invention can be applied not only to an instrument device for a vehicle instrument, but also to an instrument device such as a clock.

In the second and third embodiments, the pointer 6
The reflective layer 22 is formed on the front and back surfaces of the indicator 7 of the first embodiment.
It is possible to increase the reflection efficiency even if only one is provided.

Further, in the second embodiment, a structure is shown in which light from the light source 1 is emitted from the tip of the indicator 7 of the pointer 6 to the inclined surface 20 in a mirror-like state.
After the reflective layer 22 is formed on the surface of the indicator 7, a light-shielding layer of the same color as the light-shielding layer 17 of the dial 5 is formed on the reflective layer 22, and the dial 5 and the indicator 7 of the pointer 6 are set to the same color. By doing so, it is possible to obtain an instrument device capable of clearly displaying only the light converging point P. However, in this case, the light guide 9
Need not necessarily be provided.

In the second embodiment described above, the light guide 9 is provided on the back of the dial 5. However, in the present invention according to claim 2, the light guide 9 is used. Alternatively, a configuration in which only the hands 6 are illuminated may be used to improve the merchantability and design of the vehicle instrument serving as the instrument device.

[0040]

According to the present invention, there is provided a reflective display member having a mirrored inclined surface, and the reflective display member is arranged on the display panel such that a lower end portion of the inclined surface partially overlaps a scale of a display index. And a direct visual scale and a reflective visual scale, and by irradiating light from a light source to the inclined surface from the tip of the indicator of the pointer, the scale of the display plate within a limited visible range. The design can be visually recognized greatly, and the merchantability and design of the instrument device can be improved.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a main part of an instrument device according to a first embodiment of the present invention.

FIG. 2 is a plan view showing the instrument device of the first embodiment as viewed from above.

FIG. 3 is an enlarged plan view of a main part in FIG. 2;

FIG. 4 is an essential part cross-sectional view showing a meter device according to a second embodiment of the present invention.

FIG. 5 is a plan view showing the instrument device of the second embodiment as viewed from above.

FIG. 6 is an enlarged plan view of a main part in FIG. 5;

FIG. 7 is a sectional view showing a main part of an instrument device according to a third embodiment of the present invention.

FIG. 8 is a plan view showing the instrument device of the third embodiment as viewed from above.

FIG. 9 is an enlarged plan view of a main part in FIG. 8;

FIG. 10 is a sectional view of a main part showing a conventional meter device.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 light source 2 case body 3 opening 4 display index 4a scale 4a1 direct visual scale 4a2 reflective visual scale 5 dial (display panel) 6 pointer 7 indicator 9 light guide 19 return plate (reflective display member) 20 inclined surface 21 mirror surface Layer 22 Reflective layer

Claims (6)

[Claims] 1. A display plate having a scale formed thereon, and a mirrored inclined surface having a predetermined angle with respect to the display plate, wherein a lower end portion of the inclined surface is disposed so as to overlap a part of the scale. An instrument device comprising: a reflective display member; a direct visual scale for directly viewing the scale; and a reflective visual scale for visually viewing the scale by reflection from the inclined surface. 2. A display device comprising: a display plate, a pointer that rotates on the display plate, a light source that illuminates the pointer, and a mirrored inclined surface having a predetermined angle with respect to the display plate. And a reflection display member disposed on the pointer, and irradiates light emitted from the light source from the tip of the indicator of the pointer toward the inclined surface. 3. A display plate on which a display index is formed, a pointer for indicating the display index, a light source for illuminating the display index and the pointer, a light guide disposed behind the display plate, A reflective display member having a mirror-like inclined surface having a predetermined angle with respect to the display plate, and a lower end portion of the inclined surface being disposed so as to overlap a part of a scale serving as the display index;
A direct visual scale for directly recognizing the scale, and a reflection visual scale for visually recognizing the scale by reflection from the inclined surface, guiding light emitted from the light source to the pointer by the light guide, and transmitting the light. An instrument device, wherein light is emitted from the tip of the indicator of the pointer toward the inclined surface. 4. The instrument device according to claim 2, wherein a reflecting layer for improving reflection efficiency is formed on at least one of the front and back surfaces of the pointer indicating portion. . 5. The instrument device according to claim 1, wherein the reflective display member is formed of a facing plate that covers an area other than a visible area of the display panel. 6. The instrument device according to claim 1, wherein the slope is a slope that extends from a lower end to an upper end.