JP5305191B2 - Gear shift display device - Google Patents

Description

  The present invention relates to a gear shift display device provided in a vehicle, and more particularly to a gear shift display device with an illumination mechanism for optically displaying a display unit.

2. Description of the Related Art As a gear shift display device that indicates a gear shift position of a vehicle, a display device having an illumination mechanism is known.
FIG. 15 is a schematic sectional view showing an example of this type of gear shift display device. The device case 11 has a shift position 12 (display positions including P, R, N, D, 2, L) shown in FIG. A plurality of corresponding private rooms 13 are provided, and a shift position display lamp 14 is provided at the bottom of each of the private rooms 13, and a general illumination lamp 15 that emits amber (dark blue) light outside the private room 13. Are arranged respectively.

In addition, a light guide plate 16 is disposed on the upper portion of the individual chamber 13, a green lens 17 is provided on the lower surface of the light guide plate 16, and a textured portion is provided on the upper surface portion thereof, and further on the upper surface of the light guide plate 16. Is provided with a dial 18.
The dial 18 includes an opaque print 21 on portions other than the position characters (P, R, N, D, L) 20 provided on the surface of the translucent plate 19 and a translucent provided on the back surface thereof. White print 22.

In the gear shift display device configured as described above, when the general illumination lamp 15 is turned on, the lighting light of the lamp 15 propagates through the light guide plate 16 to illuminate the position character 20, so that the general illumination is performed at night. For example, all of the plurality of position characters 20 are displayed in amber color.
Further, when the lamp 14 is turned on according to the selected gear shift position, the lighting light of the lamp 14 propagates through the lens 17 and is illuminated, so that one position character 20 corresponding to the shift position is displayed in green.

Japanese Patent No. 3478937

  The above-described gear shift display device is provided with a light guide plate 16 at the top of each individual chamber 13, a lens 17 and a dial plate 18 above and below the light guide plate, and lamps 14 and 15 disposed inside and outside the individual chamber 13. Therefore, the size of the apparatus is increased and a large installation space is required. In addition, the design of the light guide plate 16 is difficult and expensive, and the number of parts increases, resulting in an increase in apparatus cost.

  Further, since the display of the position character 20 corresponding to the selected shift position is affected by the general illumination light of the lamp 15 propagating through the light guide plate 16, both the selective illumination of the position character 20 and the night illumination are sufficient. There are cases where it is not.

Further, in the above gear shift display device, the position character according to the gear shift is displayed in green, and at night, the position character according to the gear shift is a mixed color of green and amber (dark blue), and the other position characters are amber. However, when changing the display color of such a position character, it is necessary to replace the lamp 14 or 15 with a lamp having a different lighting color or to change the lens 17 to a lens of another color.
However, since the lamp lighting color and the lens color are limited, the position character display color cannot be set to a desired color.

  In view of the above circumstances, the present invention can reliably achieve both the position character selection illumination and the night illumination of the shift display unit, and can set the display color of the position character to a desired color. It is another object of the present invention to provide a gear shift display device that can reduce the number of components as much as possible, reduce the size of the device, and reduce the device cost.

In order to achieve the above object, in the present invention, a display unit having a plurality of position characters indicating a shift position and a light source for illuminating the display unit are provided in a shift panel, and the selected shift position is optically displayed. gearshift display devices to one and the first chamber comprising a plurality of divided chambers are relatively to each position character, is adjacent to the first chamber, and forming a light guide holes between the divided chamber A case provided with a second chamber consisting of two rooms, a plurality of first light sources provided for each of the divided chambers of the first chamber and illuminating each of the position characters according to a selected shift position, and the second chamber A second light source that transmits the irradiation light from the light guide hole to each of the divided chambers, and is provided in the first and second chambers integrally with the case to diffuse the irradiation light of the second light source, and Expansion And a light diffusing portion for colored light to the color of the case, the light diffusion portion provided in the second chamber, the protruding formed toward the chamber from above the ceiling wall of the second light source, further, the light A light adjusting hole for partially leaking illumination light of the second light source is provided between the non-light-transmitting surface portion formed on the display portion and the case on a side portion of the diffusing portion, and the entire plurality of position characters A gear shift display device is proposed which can be indirectly illuminated with colored diffused light.

In addition, as the light diffusion portion of the first chamber described above, a reflection surface that reflects and further diffuses the diffused light from the second chamber transmitted from the light guide hole may be provided in each divided chamber. The two light diffusing portions may be formed as projecting portions that project from the ceiling wall above the second light source toward the room and diffuse and diffuse the irradiation light of the second light source.

In the display device of the present invention, a position character corresponding to the shift position selected by the first light source provided for each divided chamber is illuminated, and the gear shift position is optically displayed.
Further, when the second light source is turned on, the irradiation light is guided to the respective divided chambers through the light guide holes, and the entire plurality of position characters are indirectly illuminated through the respective divided chambers.

That is, the irradiation light of the second light source is reflected and diffused by the light diffusing portions provided in the first and second chambers, so that a plurality of position characters are indirectly illuminated with uniform diffused light.
Furthermore, since the irradiation light of the second light source is diffused light having a tone determined by the color of the case, the color of the irradiation light of the second light source can be changed according to the color of the case.

In other words, when the second light source is composed of a lamp or LED, the light source is limited to several types of light emission colors, but the case color can be arbitrarily set, so the irradiation light of the second light source can be set to a desired color. Can be changed.
As a result, with respect to a plurality of position characters that are simultaneously illuminated by the second light source, the position characters illuminated by the first light source can be clearly distinguished according to the shift position.

  Therefore, the illumination of the selected position character and the night illumination of the entire position character can be reliably made compatible, and if one light source is provided as the second light source, a light guide lens or the like is not used. Since it is possible to illuminate a plurality of position characters, it is possible to reduce the number of components, reduce the size of the device, and reduce the device cost.

Next, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view showing a panel 30 provided in a gear shift portion of a normal automatic transmission mounted on a vehicle and a device main body 31 of a gear shift display device of this transmission, and FIG. 2 is a gear shift display. It is sectional drawing which shows the state which attached the apparatus main body 31 of the apparatus to the panel 30 by screwing.

As shown in these drawings, the panel 30 is provided with a shift display portion 33 in the vicinity of the hole 32 through which a shift lever (not shown) projects.
The shift display section 33 includes P (parking), R (reverse), N (neutral), and D (drive) position characters 34 indicating the shift position, and a manual gear shift UP / DOWN operation. “-” Position characters 35 are provided.

The shift display unit 33 is formed by insert-molding a sheet 36 on which position characters 34 and 35 are printed in white on the panel 30, and the above-described apparatus body 31 constitutes a gear shift display device.
That is, as shown in FIG. 3, the position character 34 is printed in white on a transparent sheet 36 so as to be translucent, and the periphery of the position character is black printed 36a to make it opaque.
The above-described sheet 36 can be made of a translucent synthetic resin material or the like.
The position character 35 is formed in the same manner.

As can be seen from FIG. 2, the apparatus main body 31 houses a printed circuit board 37 provided with first and second light sources, which will be described later, in a case 38, and a cover 39 is fixed to the case 38 from the back side of the printed circuit board 37. It has a configuration.
Note that the case 38 and the cover 39 are formed of a synthetic resin material, and the cover 39 is fixed by locking a locking claw provided on the cover 39 in a locking hole of the case 38.

On the other hand, the case 38 is colored as a whole.
In the present embodiment, the case 38 is colored whitish blue (whited blue).
The case 38 can be colored by mixing the case material with a coloring material powder and molding the case, or by applying a colored paint to the case.

Next, the apparatus main body 31 will be described in detail.
4 is a perspective view of the apparatus main body 31, FIG. 5 is a front view of the apparatus main body 31, FIG. 6 is a partially cutaway front view of the apparatus main body 31, FIG. 7 is a cross-sectional view taken along line AA in FIG. Is a sectional view taken along the line BB in FIG. 5, FIG. 9 is a sectional view taken along the line CC in FIG. 5, FIG. 10 is a sectional view taken along the line DD in FIG. FIG. 12 is a partially enlarged sectional view showing a part of FIG. 10 in an enlarged manner.

As shown in these drawings, the case 38 of the apparatus main body 31 includes a first chamber 40 having an opening on the front side and a second chamber having no opening on the front side (see FIGS. 6, 9, and 10). 46).
The first chamber 40 is formed of five divided chambers 41, 42, 43, 44, and 45 that are partitioned by a partition wall.

Of these divided chambers 41 to 45, the divided chambers 41 to 44 are arranged at intervals corresponding to the intervals of the position characters (P, R, N, D) 34. For the divided chamber 45, the position characters “+/−” are used. The divided chambers 41 to 45 are made to correspond to the positions where the position characters 34 and 35 are arranged.
The second chamber 46 is formed from one room adjacent to the first chamber 40 described above.

Furthermore, as can be seen from FIGS. 4 and 6, light guide holes 41 a, 42 a, 43 a, 44 a, 45 a communicating with the second chamber 46 are formed on the wall surfaces of the above-described divided chambers 41 to 45. Tapered surfaces (light diffusing portions) 41b, 42b, 43b, 44b, and 45b that reflect and diffuse light incident through the light guide holes 41a to 45a are provided on the inner surfaces of the divided chambers 41 to 45, respectively. It is.
These reflecting surfaces 41b to 45b are integrally formed with the case 38 and have the same color as the case color.

On the other hand, the printed circuit board 37 is provided with six LEDs (light emitting diodes) 51, 52, 53, 54, 55 and 56 as a first light source and one LED (light emitting diode) 57 as a second light source.
As the LEDs 51 to 56, those having high directivity and emitting amber color (dark blue) are used. The LEDs 51 to 54 are located at the back of the division chambers 41 to 44, and the LEDs 55 and 56 are the back of the division chamber 45. Are respectively disposed at positions.

The LEDs 51 to 56 as the first light source are lit according to the gear shift selection operation, the LED 51 is lit when the shift position is the position letter “P”, the LED 52 is lit when the position letter is “R”, Similarly, the LEDs 53 and 54 are lit according to the shift position.
The LEDs 55 and 56 are lit when the gear shift is manually operated.
Note that any one of the LEDs 55 and 56 may be provided.

Further, the LED 57 as the second light source uses a white light emitting element with high luminance, and is disposed at a deep position in the second chamber 46.
The LED 57 is turned on as night illumination regardless of the gear shift selection operation, and the shift display portion (entirely the plurality of position characters 34, 35) 33 is illuminated by the lighting of the LED 57.

As shown in FIGS. 6, 10, 11, and 12, the second chamber 46 is a closed chamber surrounded by a case frame portion and a printed circuit board. Are provided with light-guiding holes 41a to 45a communicated with .about.45, and isosceles triangular projections (light diffusing portions) 46a that project from the ceiling wall toward the room.
The light of the LED 57 as the second light source is diffusely reflected and diffused by the protruding portion 46a.
That is, the light emitted from the LED 57 is diffused by the protruding portion 46a, and the diffused light is transmitted to the divided chambers 41 to 45 through the respective light guide holes.

The protrusion 46a described above has a configuration in which a concave portion is formed in a V shape and a square hole 46b is provided on one side thereof, as can be seen from FIGS.
In addition, a slight space is formed between the upper surface of the protruding portion 46 a and the sheet surface (non-light-transmitting surface portion) of the shift display portion 33.

By configuring in this way, the irradiation light of the LED 57 as the second light source partially leaks from the rectangular hole 46b, so that the intensity of the irradiation light directly above the LED 57 is adjusted and uniform as diffused light. Illumination light can be obtained.
Note that the protruding portion 46a described above is not limited to a triangular shape, and may be formed in other shapes such as a semicircular recess, and the rectangular hole 46b may be a hole having another shape.

As shown in FIG. 2, the apparatus main body 31 configured as described above is screwed to one side rear surface of the panel 30 to constitute a display device for mounting gear shift.
In this case, the dividing chamber 41 is set to the letter “P”, the dividing chamber 42 is set to the letter “R”, the dividing chamber 43 is set to the letter “N”, and the dividing chamber 44 is set to the letter “D”. 45 the letter "+, -" to Ru each position if Wasesu.

In the gear shift display device configured as described above, one of the LEDs 51 to 54 corresponding to the shift position according to the gear shift selection operation is turned on, and any one of the position letters P, R, N, and D is displayed in amber color. The
Further, when a manual operation is performed, the LEDs 55 and 56 corresponding to the shift position are turned on, and the position character “+ • −” is displayed in amber color.

Further, since the LED 57 is lit at night, first, the irradiation light of the LED 57 is reflected and diffused by the projecting portion 46a or the like, and becomes whitish blue diffused light with the reflection.
Then, the diffused light diffused in the second chamber enters the respective divided chambers 41 to 45 through the respective light guide holes 41a to 45a as shown by arrows in FIG.

Therefore, the diffused light of the LED 57 that has entered each of the divided chambers 41 to 45 is reflected by the tapered surfaces 41b to 45b and diffused again, and the diffused light is further changed to a whitish blue accompanying this reflection.
Thus, since the shift display part 33 (all of the position characters 34 and 35) is illuminated by the diffused light, the entire surface of the shift display part 33 is uniformly illuminated by whitish blue light.

  That is, the irradiation light of the LED 57 as the second light source does not directly irradiate the shift display portion 33, but is diffused by the light diffusion portions such as the tapered surfaces 41b to 45b and the protruding portion 46a, and whitish blue light with the diffusion. Therefore, the shift display unit 33 is indirectly illuminated.

Specifically, in the divided chamber 41 corresponding to the position letter P, diffused light based on the irradiation light of the LED 57 in the second chamber 46 enters through the light guide hole 41a as shown in FIGS. Then, the light is reflected by the tapered surface 41 b and guided to the shift display unit 33.
And the light of LED57 is interrupted | blocked by the shielding wall 41c so that the shift display part 33 may not be irradiated directly.

Similarly, in the divided chamber 42 corresponding to the position letter R, the diffused light based on the irradiation light of the LED 57 in the second chamber 46 is incident through the light guide hole 42a as shown in FIGS. Reflected and guided to the shift display unit 33.
Then, the light of the LED 57 is blocked by the shielding wall 42c so as not to irradiate the shift display unit 33 directly.

Similarly, in the divided chamber 43 corresponding to the position letter N, as shown in FIGS. 4 to 7, diffused light based on the irradiation light of the LED 57 in the second chamber 46 enters through the light guide hole 43a, and the tapered surface 43b. And is guided to the shift display unit 33.
And the light of LED57 is interrupted | blocked by the shielding wall 43c so that the shift display part 33 may not be irradiated directly.

Similarly, in the divided chamber 44 corresponding to the position letter D, as shown in FIGS. 4 to 7, diffused light based on the irradiation light of the LED 57 in the second chamber 46 enters through the light guide hole 44a, and the tapered surface 44b. And is guided to the shift display unit 33.
Then, the light from the LED 57 is blocked by the shielding wall 44c so as not to directly irradiate the shift display portion 33.

Similarly, in the divided chamber 45 corresponding to the position character “+/−”, as shown in FIGS. 4 to 6, 10, and 12, the diffused light based on the irradiation light of the LED 57 in the second chamber 46 is guided through the light guide hole. The light enters through 45a, is reflected by the tapered surface 45b, and is guided to the shift display unit 33.
And the light of LED57 is interrupted | blocked by the shielding wall 45c so that the shift display part 33 may not be irradiated directly.

On the other hand, in the present embodiment, the shielding walls 41c to 45c also serve to prevent the light from the LEDs in one division chamber from entering another division chamber.
That is, as shown in FIG. 13, a shielding wall 42c slightly lowered is provided on the upper portion of the light guide hole 42a of the divided chamber 42, and the light of the LED 52 is reflected by the shielding wall 42c, and the second chamber 46 is reflected from the light guide hole 42a. Prevents light entering.
FIG. 13 is an enlarged partial view showing a part of FIG. 8 in an enlarged manner.

That is, the shielding wall 42c shields the light of the LED 52 that enters the second chamber 46 from the light guide hole 42a and subsequently enters the other division chamber. In the present embodiment, the other division chamber 41, Similar shielding walls are provided for 43-45.
That is, as shown in FIG. 14, the shielding walls 41 c to 45 c described above are provided at the respective portions of the divided chambers 41 to 45.
14 is a rear view of the case 38 with the cover 39 and the printed circuit board 37 removed.

Further, in the present embodiment, as shown in FIG. 12, a light amount adjusting portion 45 d having a tapered surface is provided in the divided chamber 45, and the LEDs 55 and 56 that partially hit the position characters “+/−” are strongly affected. The light of the overlapping part is shielded and illuminated with uniform light.
The light amount adjusting unit 45d also serves to irradiate the shift display unit 33 with uniform diffused light by reflecting a part of the light of the LED 57 in the second chamber 46 as shown in the figure.

  Although the preferred embodiment has been described above, the coloring of the case 38 can be a desired color, and the emission color of the LEDs 51 to 56 as the first light source and the emission color of the LED 57 as the second light source are also the case. Various luminescent colors can be used according to the 38 colors.

  The present invention can be applied to a gear shift display device provided in a vehicle such as an automobile.

It is a perspective view which shows the panel with which the gear shift part of the normal automatic transmission mounted in a vehicle was equipped, and the apparatus main body of the display apparatus for gear shifts of this transmission. It is sectional drawing which shows the state which attached the above-mentioned apparatus main body to the panel by screwing. It is a partial expanded sectional view which shows the shift display part of the above-mentioned gear shift display apparatus. It is a perspective view of an above-mentioned apparatus main body. It is a front view of an above-mentioned apparatus main body. It is a partially notched front view of an above-mentioned apparatus main body. It is the sectional view on the AA line on FIG. FIG. 6 is a sectional view taken along line BB in FIG. 5. It is CC sectional view taken on the line in FIG. It is the DD sectional view taken on the line in FIG. FIG. 6 is a partially enlarged perspective view cut along the line EE in FIG. 5. It is the expanded partial view which expanded and showed a part of FIG. FIG. 9 is an enlarged partial view showing a part of FIG. 8 in an enlarged manner. It is the case rear view of the said apparatus main body which removed and showed the cover and the printed circuit board. It is a simplified sectional view of a gear shift display device shown as a conventional example. It is the figure which showed the gear shift position of the said prior art example.

Explanation of symbols

30 Panel 31 Device main body 33 Shift display part 34, 35 Position character 36 Sheet 37 Printed circuit board 38 Case 39 Cover 40 First chamber 41-45 Division chamber 41a-45a Light guide hole 41b-45b Tapered surface 46 which is a light diffusion part First Two chambers 46a Protruding portions 51 to 57 that are light diffusion portions LED

Claims (2)

In a gear shift display device that includes a display unit having a plurality of position characters indicating a shift position and a light source that illuminates the display unit on a shift panel, and optically displays the selected shift position.
A first chamber comprising a plurality of divided chambers are relatively to each position character, is adjacent to the first chamber and the second chamber comprising a single room to form the light guide hole between the divided chamber And a case with
A plurality of first light sources provided for each divided chamber of the first chamber and illuminating each of the position characters according to a selected shift position, and provided in the second chamber for irradiating light from the light guide hole to each divided chamber. A second light source that transmits to
A light diffusing portion that is provided in the first and second chambers as an integral part of the case, diffuses the irradiation light of the second light source, and colors the diffused light in the color of the case;
The light diffusing portion provided in the second chamber protrudes from the ceiling wall above the second light source toward the room, and is further formed on the side of the light diffusing portion on the display portion. A light adjustment hole for partially leaking illumination light of the second light source is provided between the translucent surface portion and the case,
A gear shift display device configured to be able to indirectly illuminate the entire plurality of position characters with colored diffused light. In the gearshift display device according to claim 1,
The light diffusing section provided in the first chamber includes a reflecting surface provided in each divided chamber that reflects and further diffuses the diffused light from the second chamber transmitted from the light guide hole, and is provided in the second chamber. The light diffusing unit is formed to project from the ceiling wall above the second light source toward the room, and is formed of a projecting part that diffuses and diffuses the irradiation light of the second light source. .

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