WO2013121688A1

WO2013121688A1 - Vehicle interior lighting device

Info

Publication number: WO2013121688A1
Application number: PCT/JP2012/083775
Authority: WO
Inventors: 上森健一; 伊藤康弘
Original assignee: 林テレンプ株式会社
Priority date: 2012-02-15
Filing date: 2012-12-27
Publication date: 2013-08-22
Also published as: JP2013166442A

Abstract

This vehicle interior lighting device is provided with a lighting unit (20) positioned in the vicinity of a sun visor accommodating position on the surface (1) of the vehicle interior ceiling and having an elongated shape provided along a back end side (112) of a sun visor main body (11) in an accommodated state. In the accommodated state of the sun visor, a narrow illumination area (L1) is formed by part of the entire length of the lighting unit being covered in the direction of width by the outside shape of the sun visor main body (11). In a state of use of the sun visor, a wide illumination area (L2) is formed by the entire width (W) of the lighting unit (20) being exposed.

Description

Car interior lighting system

Related applications

This application claims the priority of Japanese Patent Application No. 2012-030217 filed on Feb. 15, 2012, and is incorporated herein by reference in its entirety as a part of this application.

The present invention relates to a vehicle interior lighting device, and more particularly to a lighting device around a sun visor.

In order to block sunlight and the like, a sun visor is provided in the interior of an automobile, diagonally forward and upward of the driver and the passenger in the passenger seat (for example, Patent Document 1). There are some lighting devices around the sun visor. For example, as shown in FIG. 6, a map lamp 51 and a vanity lamp 52 are arranged in the vicinity of the windshield G on the vehicle ceiling surface 50 as the lighting device. It is installed. The vanity lamp 52 is generally attached to the back surface of the sun visor 53, the vanity mirror 54 is attached to the center of the back surface of the sun visor 53, and the

vanity lamps

52, 52 are attached to the left and right sides of the vanity mirror 54. The occupant sits on the vehicle seat, rotates the sun visor 53 in the direction indicated by the arrow in FIG. 6, and moves so that the back side of the sun visor 53 faces the front of the face. Thereby, even if the light from the

vanity lamps

52 and 52 illuminates from the front of the face and the interior of the vehicle is dark, the vanity mirror 54 can be used for makeup.

In the illumination device of Patent Document 1, the lamp light illuminates the face from the front, and the user may feel dazzled. Therefore, as shown by a dotted line in FIG. 6, a lamp in which a vanity lamp 52A is attached to the vehicle ceiling surface 50 so as not to be illuminated from the front of the user has been proposed (for example, Patent Document 2). In the lighting device of Patent Document 2, the vanity lamp 52A also serves as a map lamp.

JP 2003-034141 A JP 2009-161143 A

However, in Patent Document 2 above, the sun visor is provided with a through-hole and a slide plate so that both the map lamp and the vanity lamp can be used, which increases the number of parts and imposes an additional operation on the user. become. In addition, since the map lamp and the vanity lamp having different uses and functions are used as a common lamp, the irradiation area and brightness are limited as compared with the case where separate lamps are prepared, resulting in a decrease in function. Further, since the map lamp and the vanity lamp are used as the functional lighting, the improvement of the texture in the passenger compartment has not been considered.

The present invention has been made in view of the above-described problems, and is capable of ensuring the respective functions by using both atmosphere lighting and vanity lamp lighting without causing an increase in the number of parts or an additional operation. An object is to provide a lighting device.

In order to achieve the above object, a vehicle interior lighting device according to the present invention is a vehicle interior lighting device installed in the vicinity of a sun visor storage position on a ceiling surface of a vehicle interior, and is provided on the outer periphery of a plate-shaped sun visor body in a storage state. A long illuminating unit disposed along at least a part of the side, and in a sun visor storage state, a part of the illuminating unit is covered with the outer shape of the sun visor body over the entire length of the illuminating unit so as to be narrow. When the sun visor is used, a wide irradiation area is formed by exposing the entire width of the illumination unit.

According to this structure, when the sun visor is housed, the long and narrow irradiation area along the outer shape of the sun visor is the atmosphere illumination, and when the sun visor is in use, the wide irradiation area is the same length as the atmosphere illumination and the vanity lamp illumination. It becomes. Therefore, an atmosphere illumination lamp and a vanity lamp can be used together by one illumination unit. In addition, it is possible to switch between a long and narrow irradiation area suitable for atmospheric lighting and a wide irradiation area suitable for vanity lamp lighting, without adding special parts, that is, using a normal sun visor. This can be done in conjunction with the opening and closing operation of the sun visor. Furthermore, because the narrow illumination area as atmosphere lighting is located along the sun visor outline, it becomes easier for the occupant to recognize the position of the sun visor even in a dark cabin, so when reaching for the sun visor to use the vanity mirror Works as an access point, improving the usability of the sun visor.

In the present invention, the vehicle interior lighting device is preferably disposed in the concave portion of the ceiling surface. According to this configuration, since the sun visor body does not protrude from the ceiling surface, the appearance inside the automobile is improved, and the illumination light reflected by the standing wall of the recess also becomes indirect illumination, which is preferable.

In the present invention, it is preferable to further include an illumination control circuit that changes at least one of the color and brightness of the illumination between the sun visor storage state and the sun visor usage state. According to this configuration, for example, the usability of the vanity mirror can be improved by increasing the luminance in the sun visor usage state.

In the present invention, it is preferable that the illuminating unit is disposed along a rear end side of the sun visor body and extends over substantially the entire width direction of the sun visor body. According to this configuration, the sun visor main body has a long dimension extending substantially in the width direction and a wide irradiation area at the front and rear, so that the face of the occupant can be evenly distributed without being restricted by the position of the vanity mirror or the position of the face. Can be illuminated.

Any combination of at least two configurations disclosed in the claims and / or the specification and / or drawings is included in the present invention. In particular, any combination of two or more of each claim in the claims is included in the present invention.

The present invention will be more clearly understood from the following description of preferred embodiments with reference to the accompanying drawings. However, the embodiments and drawings are for illustration and description only and should not be used to define the scope of the present invention. The scope of the invention is defined by the appended claims. In the accompanying drawings, the same part numbers in a plurality of drawings indicate the same or corresponding parts.
It is the front view which looked at the front upper direction from the vehicle interior which shows the sun visor accommodation state of the vehicle interior lighting device which concerns on one Embodiment of this invention. It is a front view which shows the sun visor use state of the vehicle interior lighting device. It is a longitudinal cross-sectional view which shows the irradiation area in the sun visor accommodation state of FIG. It is a longitudinal cross-sectional view which shows the irradiation area in the sun visor use state of FIG. It is a disassembled perspective view which shows the illumination part of the same vehicle interior lighting device. It is a front view which shows the conventional vehicle interior lighting device.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 shows a sun visor storage state in a vehicle interior lighting device according to an embodiment of the present invention, and FIG. 2 shows a sun visor usage state of the device. As shown in FIGS. 1 and 2, a roof lining 2 is attached to the ceiling 1 of the passenger compartment above the windshield G, and a vehicle sun visor 10 is attached in the vicinity of the windshield G of the roof lining 2. The vehicle sun visor 10 includes a sun visor main body 11 that blocks sunlight in the state of use, and a support shaft 12 that rotatably supports the sun visor main body 11. A base end portion 12 a of the support shaft 12 is connected to a support bracket 13, and the support bracket 13 is fixed to the roof lining 2. As a result, the sun visor main body 11 has the front surface 11a in the stowed state along the roof lining 2 (FIG. 1), and rotates to the windshield side around the front end portion 11b, the rear end portion 11c descends, and the back surface 11d is occupant It can be freely switched between the use state (FIG. 2) facing the direction.

The sun visor body 11 is a rectangle having a longitudinal direction in the left-right direction of the vehicle body, and includes a front end side 111 and a rear end side 112 extending in the left-right direction, a left side 113 extending in the front-rear direction, and a right side 114. A through-hole 16 (FIG. 3) extending in the left-right direction along the front end side 111 is formed in the front end portion 11 b of the sun visor body 11, and the support shaft 12 is inserted into the through-hole 16, whereby the sun visor body 11. Is rotatably supported by the roof lining 2.

First, referring to FIG. 1 and FIG. 3 which is a longitudinal sectional view of FIG. In the present embodiment, the sun visor body 11 is stored in the recess 3 formed in the roof lining 2 in the sun visor storage state, and the roof lining 2 and the surface 11a of the sun visor body 11 are configured to be substantially flush with each other. Yes. A gap 4 is provided between the rear end side 112 of the sun visor body 11 and the concave portion 3 so that the occupant can easily turn the sun visor body 11 by hand, and the roof lining 2 corresponding to the gap 4 is provided. A long illuminating unit 20 extending in the left-right direction along the rear end side 112 of the sun visor body 11 is disposed in the recess 3.

The length of the illumination unit 20 in the longitudinal direction, that is, the length in the left-right direction is substantially the same as the length (width dimension) in the left-right direction of the rear end side 112 of the sun visor body 11, and is formed by a light guide rod 21 (FIG. 5) described later. The front-rear direction position of the outgoing portion E is set slightly forward of the rear end side 112. Therefore, as shown in FIG. 3, in the sun visor storage state, most of the light from the illumination unit 20 is blocked by the rear end portion 11c of the sun visor main body 11, and a part of the gap 4 between the sun visor main body 11 and the recess 3; In detail, it irradiates through the narrow space between the rear end side 112 of the sun visor main body 11, and the standing wall 3a which is the rear wall of the recessed part 3, and becomes the irradiation area | region L1 of narrow width. In addition, another part of the light from the illumination unit 20 is reflected by the standing wall 3a to be indirect illumination. Thus, in the sun visor storage state, the illumination unit 20 functions as atmosphere illumination by the narrow irradiation area L1. The standing wall 3 a is inclined from the bottom surface of the concave portion 3 so as to go to the outside of the concave portion 3. The inclination angle θ is preferably about 15 to 55 ° from the viewpoint of formability and appearance of the roof lining 2 and is 45 ° in this embodiment.

Next, referring to FIG. 2 and FIG. 4 which is a longitudinal sectional view of FIG. When the sun visor main body 11 is rotated downward from the housed state and switched to the use state, the back surface 11d of the sun visor main body 11 is exposed to the eyes of the occupant. A substantially rectangular mirror 14 and a lid 15 that covers the entire mirror 14 and can be opened and closed are attached to the center of the back surface 11d of the sun visor body 11. The hair can be distorted.

When the sun visor is used, the illumination unit 20 exposes the entire emission portion E, that is, the entire width W. Therefore, as shown in FIG. 4, in the sun visor use state, the light from the illumination unit 20 is irradiated over a wide range without being blocked, resulting in a wide irradiation region L2. Thus, in the sun visor usage state, the illumination unit 20 functions as a vanity lamp due to the wide irradiation area L2.

As shown in FIGS. 1 and 2, the illumination unit 20 is an illumination that changes the luminance and / or the color of illumination in the sun visor storage state (FIGS. 1 and 3) and the sun visor usage state (FIGS. 2 and 4). A control circuit 30 is provided. In this embodiment, lighting in the sun visor storage state, that is, lighting as atmosphere lighting of the lighting unit 20 is performed in conjunction with lighting of the position lamp of the automobile. That is, when the position switch 32 is turned on, the position lamp is turned on, and power is supplied from the power source (vehicle battery) 34 to the lighting unit 20 via the lighting control circuit 30, so that the lighting unit 20 is in the sun visor storage state. And turn on with brightness.

Further, a sensor 36 for detecting the opening / closing of the lid 15 is arranged on the back surface 11d of the sun visor main body 11 shown in FIG. 2, and lighting as a vanity lamp of the illumination unit 20 detects the sliding opening / closing of the lid 15 To do. Specifically, in a state where the lid 15 is open, that is, in a state where the occupant is using the mirror 14, the sensor 36 is turned on, and the illumination unit 20 is lit with a brightness higher than that in the sun visor storage state. The sun visor storage state and illumination color may be changed in the sun visor usage state.

FIG. 5 is an exploded view showing the mechanism of the illumination unit 20. As shown in the figure, the illuminating unit 20 includes a long light guide bar 21 (emission part E) and LED units 22 that are light emitters arranged at both ends of the light guide bar 21. The light guide bar 21 emits light incident from both ends thereof uniformly in the longitudinal direction. The illumination unit 20 further includes a bracket 23 to which the light guide bar 21 and the LED unit 22 are engaged, and a bezel 24 that is attached to the roof lining 2 (FIG. 3) and has an opening 20a serving as an irradiation port. is doing.

The bracket 23 has engaging portions (not shown) such as elastic claws at a plurality of locations, and the light guide rod 21 and the LED unit 22 are assembled to the bracket 23 by such engaging portions, The subassembly SA of the illumination unit 20 is assembled. As shown in FIG. 3, the subassembly SA is inserted into the mounting opening 2a provided in the roof lining 2, and the roof lining 2 is sandwiched between the subassembly SA and the bezel 24, and the screw body 25 of FIG. By tightening the subassembly SA and the bezel 24, the illumination unit 20 is assembled and fixed to the roof lining 2 that forms the ceiling surface.

As shown in FIG. 4, the light from the light guide bar 21 is irradiated into the vehicle interior from the opening 20 a of the bezel 24. With such a configuration, it is possible to emit light uniformly in the longitudinal direction with a simple configuration and a long shape, which is suitable as the illumination unit 20 that serves both as atmosphere illumination and a vanity lamp.

According to the above configuration, as shown in FIG. 3 and FIG. 4, the atmosphere lighting and the vanity lamp can be used together by one lighting unit 20. Also, a special member is added to switch between the long and narrow irradiation area L1 suitable for the atmosphere illumination of FIG. 3 and the long and wide irradiation area L2 suitable for the vanity lamp of FIG. And can be performed in conjunction with the turning operation of the sun visor body 11. 3 is formed by irradiation from the gap 4 between the sun visor body 11 and the roof lining 2, so that the occupant can easily recognize the position of the sun visor 10 even in a dark vehicle interior. Even if the mirror 14 is used, it works as an access point when reaching the sun visor 10 and the usability of the sun visor 10 is improved.

As shown in FIG. 1, since the sun visor body 11 and the illumination unit 20 are disposed in the recess 3 on the ceiling surface, the sun visor body 11 and the illumination unit 20 do not protrude from the ceiling surface, and the appearance of the automobile interior is improved. Furthermore, the light reflected by the standing wall 3a of the recess 3 shown in FIGS. 3 and 4 becomes indirect illumination, and the interior of the vehicle can be illuminated more effectively.

Since the color and brightness of the illumination unit 20 are changed between the sun visor storage state (FIGS. 1 and 3) and the sun visor usage state (FIGS. 2 and 4), the texture of the vehicle interior and the usability of the sun visor are improved. improves. For example, in the sun visor storage state, the brightness can be lowered to improve the texture as atmosphere lighting, and in the sun visor use state, the brightness can be increased to improve the usability as a vanity lamp.

As shown in FIG. 2, since the illumination part 20 is arrange | positioned along the rear end side 112 of the sun visor main body 11, and has extended over the substantially whole width direction of the sun visor main body 11, it is long from a vehicle ceiling surface, and is wide. Thus, the occupant's face can be illuminated uniformly without being restricted by the position of the vanity mirror or the position of the face.

The present invention is not limited to the contents shown in the above embodiments, and various additions, changes, or deletions are possible without departing from the gist of the present invention. For example, in the above embodiment, the illumination unit 20 is disposed in the recess 3 of the roof lining 2, but may be disposed on a flat general surface of the roof lining 2. Moreover, in the said embodiment, although the illumination part 20 is arrange | positioned only in the position along the rear end side 11b of the sun visor main body 11, it replaces with or in addition to this, the side end side of the sun visor main body 11 113 and 114 may be arranged in accordance with the positions along the rear end side 112 or the side end sides 113 and 114 and the front end side 111. Therefore, such a thing is also included in the scope of the present invention.

DESCRIPTION OF SYMBOLS 1 Cabin ceiling surface 2 Roof lining 3 Recessed part 4 Crevice 10 Vehicle sun visor 11 Sun visor main body 11a Front surface 11d Back surface 112 Rear end side 12 Support shaft 13 Support bracket 14 Mirror 15 Cover body 20 Illumination part 30 Illumination control circuit L1 Irradiation area (narrow width)
L2 irradiation area (wide)

Claims

A vehicle interior lighting device installed in the vicinity of the sun visor storage position on the ceiling surface of the vehicle interior,
A long illuminating portion disposed along at least a part of the outer periphery of the plate-shaped sun visor body in the housed state;
In the sun visor storage state, a part of the width direction is covered by the outer shape of the sun visor main body over the entire length of the illumination unit to form a narrow irradiation region,
A vehicle interior lighting device that forms a wide irradiation area by exposing the entire width of the lighting section when the sun visor is used.
The vehicle interior lighting device according to claim 1, wherein the vehicle interior lighting device is disposed in a concave portion of the ceiling surface.
The vehicle interior lighting device according to claim 1, further comprising an illumination control circuit that changes at least one of illumination color and brightness between the sun visor storage state and the sun visor use state.
The vehicle interior lighting device according to claim 1, wherein the lighting unit is disposed along a rear end side of the sun visor body and extends over substantially the entire width direction of the sun visor body.