JP2018067512A - Switch device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a switch device which enables diversified displays.SOLUTION: A switch device comprises: a main body 10; and an operation part 50 which is housed in the main body 10 in such a manner as to be rotatable around a rotational axis CL. The main body 10 has display parts (a first display part 11 and a second display part 12) for indicating information. The display parts are arranged in the vicinity of the rotational axis CL on a lateral wall 16 or a bottom face 17, of the main body 10, which faces the rotational operation part 50 thus housed. The rotational operation part 50 has, in the vicinity of the rotational axis CL, a reflective surface 51 which reflects part or all of the indication on the display part (the first display part 11) so that it may be shown on a screen 55 of the rotational operation part 50.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a switch device, and more particularly to a switch device having a display function.

  As a conventional technique, a switch device having an illumination mark for illumination display on the surface of a switch knob is known (see, for example, Patent Document 1).

  This switch device includes a substrate on which a pushbutton switch and a light source are mounted, a switch knob for operating the pushbutton switch, and an illumination display switch device that illuminates the display rotation operation portion of the switch knob from the back surface by the light source. The switch knob includes an illumination mark embedded in the display rotation operation portion with a translucent resin, a non-display design portion surrounding the illumination mark and formed with a non-translucent resin, and a center of the display rotation operation portion. A lock arm that is suspended from the light source and whose tip is connected to the switch part, a light guide that is suspended from the display rotation operation part and whose tip surface is disposed in the vicinity of the light exit surface, and the light guide and the base of the lock arm and the illumination The light guide includes a connection light guide that connects the marks, and the lock arm, the light guide, and the connection light guide are formed integrally with the illumination mark. With such a configuration, it is supposed that the illumination mark on the surface of the switch knob can be illuminated and displayed by making the illumination light incident on the light guide.

JP 2013-254597 A

  In the switch device of Patent Document 1, a lock arm, a light guide, and a connection light guide are formed integrally with an illumination mark inside a switch knob. However, there is a problem in that it is difficult to display only a part of the illumination display on the surface of the switch knob or to display a plurality of displays in an overlapped manner, and to make the display diverse.

  Accordingly, an object of the present invention is to provide a switch device capable of providing a variety of displays.

  [1] In order to achieve the above object, a main body part, a rotation operation part accommodated in the main body part so as to be rotatable about a rotation axis, and a side wall part of the main body part facing the accommodated rotation operation part Or a display unit that is arranged around the rotation axis on the bottom surface part and displays information, and the rotation operation unit reflects part or all of the display on the display unit to reflect the rotation operation unit. Provided is a switch device having a reflective surface for displaying on a display surface around the rotation axis.

  [2] The switch device according to [1], wherein the reflection surface is an inclined surface formed of a cone centered on the rotation axis.

  [3] Further, the switch device according to the above [1] or [2], wherein the reflecting surface is formed so that the inclined surface extends over the entire circumference of the rotation shaft.

  [4] The switch device according to the above [3], wherein the reflecting surface is formed such that the inclined surface continuously changes over the entire circumference of the rotating shaft.

  [5] The switch device according to [3], wherein the reflecting surface is formed such that the inclined surface changes stepwise over the entire periphery of the rotating shaft.

  [6] The switch device according to [4] or [5], wherein a part of the reflection surface reflects the display unit toward the display surface.

  [7] In addition, the rotation operation unit includes a knob display formed on the display surface on the display surface, and a second display formed on the first display unit or the bottom surface unit formed on the side wall unit. The switch device according to any one of [1] to [6], wherein the display unit is displayed in an overlapping manner.

  ADVANTAGE OF THE INVENTION According to this invention, the switch apparatus which can give a display diversity can be provided.

FIG. 1 is an external perspective view of a switch device according to an embodiment of the present invention. 2A is a cross-sectional view passing through the rotation axis CL of FIG. 1, and is a cross-sectional view when the reflective surface is an inclined surface. FIG. 2B is a cross-sectional view when the reflective surface is not inclined. FIG. FIG. 3 is a diagram illustrating a state of internal reflection inside the light guide unit 53. 4A is the first embodiment, and is a perspective view of the rotation operation unit as viewed from the direction A in FIG. 1, that is, from the bottom (back), and FIG. 4B is a rotation operation. FIG. 2 is an upper plan view of the part viewed from the B direction in FIG. 1, that is, from above (table). FIG. 5A is a second embodiment, and is a perspective view of the rotation operation unit as viewed from the direction A in FIG. 1, that is, from the bottom (back), and FIG. FIG. 5C is a cross-sectional view taken along the line CC in FIG. 5A, and FIG. 5C is a cross-sectional view taken along the line DD in FIG. 5A in the same direction as FIG. d) is a top plan view of the rotation operation unit as viewed from the direction B in FIG. 1, that is, from the top (table). FIG. 6A is a third embodiment, and is a perspective view of the rotation operation unit as viewed from the direction A in FIG. 1, that is, from the bottom (back), and FIG. 6B is a rotation operation. FIG. 2 is an upper plan view of the part viewed from the B direction in FIG. 1, that is, from above (table). FIG. 7A is an example in which marks are arranged on the first display unit, and FIG. 7B is an example in which marks are arranged on the second display unit. FIG. 8 is a perspective view showing an example in which the knob display formed on the display surface and the first display unit or the second display unit are displayed in an overlapping manner.

(Embodiment of the present invention)
As shown in FIG. 1, the switch device 1 according to the embodiment of the present invention is a rotary switch in which a knob-shaped rotation operation unit 50 is accommodated in a main body 10 so as to be rotatable around a rotation axis CL. As shown in FIGS. 2A and 2B, the rotation operation unit 50 can be rotated with respect to the main body unit 10, and the upper surface of the rotation operation unit 50 is displayed along with the rotation operation. Various displays are made on the surface 55.

  The switch device 1 according to the embodiment of the present invention is configured to include a main body unit 10 and a rotation operation unit 50 accommodated in the main body unit 10 so as to be rotatable about a rotation axis CL. The main body 10 is arranged around the rotation axis CL on the side wall 16 or the bottom surface 17 of the main body 10 facing the accommodated rotation operation unit 50, and displays a display unit (first display unit 11, The second display unit 12) is configured. The rotation operation unit 50 has a reflection surface 51 that reflects part or all of the display on the display unit (first display unit 11) and displays the reflection surface 51 on the display surface 55 of the rotation operation unit 50 around the rotation axis CL. It is configured.

(First display unit 11)
The 1st display part 11 is a display part provided in the side wall part 16 of the accommodating part 15 for accommodating the rotation operation part 50 rotatably. The first display unit 11 displays, for example, a predetermined color, mark, character, figure, and the like. This display may be displayed in the area of the first display section 11 of the side wall section 16 by direct printing or the like. Further, a member such as a sheet may be formed in a region of the first display portion 11 of the side wall portion 16 in a state where a predetermined color, mark, character, or the like is displayed.

  Moreover, the 1st display part 11 may be the structure which arrange | positions and displays, for example, light sources, such as LED, a liquid crystal display board. A predetermined color may be displayed by a light source such as an LED, and a predetermined mark, character, figure, or the like may be displayed by a liquid crystal display panel.

(Second display unit 12)
The 2nd display part 12 is a display part provided in the bottom face part 17 of the accommodating part 15 for accommodating the rotation operation part 50 rotatably. The second display unit 12 displays, for example, predetermined colors, marks, characters, graphics, and the like. This display may be displayed in the area of the second display unit 12 on the bottom surface unit 17 by direct printing or the like. Further, a member such as a sheet may be formed in a region of the second display portion 12 of the bottom surface portion 17 in a state where a predetermined color, mark, character, or the like is displayed.

  Moreover, the 2nd display part 12 may be the structure which arrange | positions and displays, for example, light sources, such as LED, a liquid crystal display board. A predetermined color may be displayed by a light source such as an LED, and a predetermined mark, character, figure, or the like may be displayed by a liquid crystal display panel.

(Rotation operation unit 50)
As shown in FIGS. 1, 2A, and 2B, the rotation operation unit 50 is formed in a knob shape so as to function as a rotation operation unit of a rotation switch. The rotation operation unit 50 is formed of a light guide unit 53 that is entirely light transmissive. For the light guide 53, for example, a transparent acrylic material of a light transmitting member can be used.

  As shown in FIG. 2A, the rotation operation unit 50 has a shape in which the light guide unit 53 is cut out by a space 54.

  In the light guide portion 53, as shown in FIGS. 2A and 2B, the reflection surface 51 is formed corresponding to the first display portion 11 and the second display portion 12.

  As shown in FIG. 2A, the reflection surface 51 is formed as an inclined surface with respect to the side wall portion 16, that is, the first display portion 11. The reflecting surface 51 is an inclined surface formed of a cone (cone) centered on the rotation axis CL. The reflecting surface 51 reflects light from the first display unit 11 inside the light guide unit 53. This reflection is internal reflection inside the light guide unit 53.

FIG. 3 is a diagram illustrating a state of internal reflection inside the light guide unit 53. With respect to the normal N at the reflection point P, the incident angle from the first display unit 11 is θ ₁ and the reflection angle is θ ₂ . In addition, the refractive index of the transparent acrylic material used as the light guide unit 53 in this embodiment is n = 1.49. In this case, the critical angle θc satisfying the total reflection condition is obtained by the critical angle θc = Arcsin (1 / n). The critical angle θc is about 42 °.

As shown in FIG. 2A, when the incident angle θ ₁ of the reflecting surface 51 is formed as an inclined surface having a critical angle θc or more, the light from the first display unit 11 is totally reflected by the reflecting surface 51. Are displayed on the display surface 55. The light from the second display unit 12 is transmitted through the reflection surface 51, but the light from the first display unit 11 is mainly displayed on the display surface 55.

On the other hand, as shown in FIG. 2 (b), when the reflecting surface 51 of the horizontal, i.e., when the incident angle theta ₁ shown in FIG. 3 is 0 (zero), The reflecting surface 51 is horizontal (the angle of incidence theta ₁ is formed as an inclined surface in a range from 0 (zero) to the critical angle θc, the light from the first display unit 11 is transmitted without being reflected by the reflecting surface 51, and the second display unit 12. The light from the light passes through the reflecting surface 51 and is displayed on the display surface 55.

From the above, when the incident angle θ ₁ of the reflecting surface 51 is formed as an inclined surface having a critical angle θc or more, the display of the first display unit 11 is reflected by the reflecting surface 51 and displayed on the display surface 55. The display of 1 display unit 11 is displayed. On the other hand, when the reflecting surface 51 is formed as an inclined surface in a range from the horizontal (incident angle θ ₁ is 0 (zero)) to the critical angle θc, the display of the second display unit 12 is displayed on the display surface 55. .

(First embodiment)
In the first embodiment, as shown in FIG. 4A, in the rotation operation unit 50, as shown in FIG. 2A, a constant reflecting surface 51 extends over the entire circumference of the rotation axis CL. Is formed.

Therefore, when the incident angle θ ₁ of the reflecting surface 51 is formed as an inclined surface having a critical angle θc or more, the display on the first display unit 11 is reflected by the reflecting surface 51 and displayed on the display surface 55. The display on the display unit 11 is displayed. Further, when the reflecting surface 51 is formed as an inclined surface in a range from the horizontal (incident angle θ ₁ is 0 (zero)) to the critical angle θc, the display of the second display unit 12 is displayed on the display surface 55. .

  As shown in FIG. 4B, the display on the first display unit 11 or the display on the second display unit 12 displayed on the display surface 55 is not a direct viewing display, but a display that is internally reflected by the reflecting surface 51, or This is a display viewed through the light guide unit 53. Thereby, it becomes the display form excellent in the designability, and the appearance of the switch apparatus 1 improves.

(Second Embodiment)
In the second embodiment, as shown in FIG. 5A, in the rotation operation unit 50, the reflection surface 51 shown in FIG. 2A is inclined over the entire circumference of the rotation axis CL (incident angle). θ ₁ ) is formed by continuously changing.

As shown in FIGS. 5B and 5C, the inclination angle (incident angle θ ₁ ) of the reflecting surface 51 has a different value in each cross section.

As shown in FIG. 5A, in the state where the reflection surface 51 is continuously changing in inclination angle (incident angle θ ₁ ) over the entire circumference of the rotation axis CL, the inclination angle (incident angle θ ₁ ) is changed. Divided into two or more regions: a region having an inclined surface with a critical angle θc or more and a region with an inclination angle (incident angle θ ₁ ) having a slope with a critical angle θc or less. It is done.

As shown in FIG. 5D, in the region 55a where the inclination angle (incident angle θ ₁ ) is an inclined surface having a critical angle θc or more, the display of the first display unit 11 is displayed on the display surface 55, and the inclination In the region 55b where the angle (incident angle θ ₁ ) is an inclined surface having a critical angle θc or less, the display of the second display unit 12 is displayed on the display surface 55. That is, by changing the reflecting surface 51 of the rotation operation unit 50, the display displayed on the display surface 55 can be switched between the display on the first display unit 11 and the display on the second display unit 12. Further, the display displayed on the display surface 55 rotates and moves in accordance with the rotation operation of the rotation operation unit 50.

(Third embodiment)
In the third embodiment, as shown in FIG. 6A, in the rotation operation unit 50, the reflection surface 51 shown in FIG. 2A is inclined over the entire circumference of the rotation axis CL (incident angle). θ ₁ ) is formed in a step-like manner.

As shown in FIG. 6A, the inclination angle (incident angle θ ₁ ) of the reflecting surface 51 has a different value in each step.

As shown in FIG. 6A, in the state where the reflection surface 51 changes in the inclination angle (incident angle θ ₁ ) stepwise over the entire circumference of the rotation axis CL, the inclination angle (incident angle θ ₁ ). Can be divided into two or more regions: a region having an inclined surface with a critical angle θc or more and a region having an inclined angle (incident angle θ ₁ ) with a critical angle θc or less.

As shown in FIG. 6B, in the region 55a where the tilt angle (incident angle θ ₁ ) is a tilt surface with a critical angle θc or more, the display of the first display unit 11 is displayed on the display surface 55, and the tilt In the region 55b where the angle (incident angle θ ₁ ) is an inclined surface having a critical angle θc or less, the display of the second display unit 12 is displayed on the display surface 55. That is, by changing the reflecting surface 51 of the rotation operation unit 50, the display displayed on the display surface 55 can be switched between the display on the first display unit 11 and the display on the second display unit 12. Further, the display displayed on the display surface 55 rotates and moves in accordance with the rotation operation of the rotation operation unit 50.

  FIG. 7A is an example of a mark in which the first display portion 11 formed on the side wall portion 16 of the main body portion 10 is developed. On the other hand, FIG. 7B is an example of a mark in which the second display portion 12 formed on the bottom surface portion 17 of the main body portion 10 is developed. This mark is an example when applied to a vehicle heat-con. In these displays, in the first to third embodiments, the conditions of reflection or transmission by the reflection surface 51 change according to the change in the inclination angle of the reflection surface 51. As a result, the display displayed on the display surface 55 can be switched between the display on the first display unit 11 and the display on the second display unit 12. Further, the display displayed on the display surface 55 rotates and moves in accordance with the rotation operation of the rotation operation unit 50.

  Further, as shown in FIG. 8, the knob display 57 formed on the display surface 55 and the first display unit 11 or the second display unit 12 projected on the display surface 55 can be displayed in an overlapping manner. is there. Thereby, the display of the rotation operation unit 50 on the movable side and the display of the first display unit 11 or the display of the second display unit 12 on the non-movable side can be displayed in an overlapping manner, and it is easy to bring out novelty. Has an effect.

(Effect of the embodiment of the present invention)
The switch device 1 according to the present embodiment has the following effects.
(1) The switch device 1 according to the embodiment of the present invention includes a main body portion 10 that supports a rotation operation, and a rotation operation portion 50 that is accommodated in the main body portion 10 so as to be rotatable about a rotation axis CL. Then, the main body unit 10 includes display units (first display unit 11 and second display unit 12) arranged around the rotation axis CL on the side wall unit 16 or the bottom surface unit 17 of the main body unit 10 that accommodates the rotation operation unit 50. ), And the rotation operation unit 50 reflects a part or all of the display unit (first display unit 11) to display the reflection surface 51 on the display surface 55 of the rotation operation unit 50 around the rotation axis CL. It is comprised so that it may have. Thereby, the display displayed on the display surface 55 can be switched between the display of the first display unit 11 and the display of the second display unit 12.
(2) It is also possible to display the knob display 57 formed on the display surface 55 and the first display unit 11 or the second display unit 12 projected on the display surface 55 in an overlapping manner. Thereby, the display of the rotation operation part 50 which is a movable side, and the display of the 1st display part 11 which is a non-movable side, or the display of the 2nd display part 12 can be displayed superimposed, and it is easy to give a novelty. Furthermore, innumerable arrangements are possible in combination with the knob-shaped design of the rotation operation unit 50.

  As mentioned above, although some embodiment of this invention was described, these embodiment is only an example and does not limit the invention which concerns on a claim. These novel embodiments can be implemented in various other forms, and various omissions, replacements, changes, and the like can be made without departing from the scope of the present invention. In addition, not all the combinations of features described in these embodiments are essential to the means for solving the problems of the invention. Furthermore, these embodiments are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

DESCRIPTION OF SYMBOLS 1 ... Switch apparatus, 10 ... Main-body part, 11 ... 1st display part, 12 ... 2nd display part, 15 ... Storage part, 16 ... Side wall part, 17 ... Bottom face part, 50 ... Rotation operation part, 51 ... Reflecting surface, 53 ... Light guide part, 54 ... Space part, 55 ... Display surface, 57 ... Knob display

Claims (7)

The main body,
A rotation operation unit housed in the main body unit so as to be rotatable about a rotation axis;
A display section that displays information and is arranged around the rotation axis in a side wall or a bottom surface of the main body that faces the accommodated rotation operation section;
The said rotation operation part has a reflective surface which reflects a part or all of the display in the said display part, and displays it on the display surface of the said rotation operation part around the said rotating shaft.   The switch device according to claim 1, wherein the reflection surface is an inclined surface formed of a cone having the rotation axis as a center.   The switch device according to claim 1, wherein the reflecting surface is formed so that the inclined surface extends all around the rotation axis.   The switch device according to claim 3, wherein the reflecting surface is formed such that the inclined surface continuously changes over the entire circumference of the rotation shaft.   The switch device according to claim 3, wherein the reflecting surface is formed such that the inclined surface changes stepwise over the entire circumference of the rotation shaft.   The switch device according to claim 4, wherein a part of the reflection surface reflects the display unit toward the display surface.   The rotation operation unit overlaps the display surface with a knob display formed on the display surface and a first display unit formed on the side wall or a second display unit formed on the bottom surface. The switch device according to any one of claims 1 to 6, wherein the switch device is displayed.

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