JP2006290026A - Roof lighting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a roof lighting device which illuminates a cabin interior by utilizing natural light from a lighting panel opening, and can sufficiently exhibit stage effect by the illumination light. <P>SOLUTION: In the roof lighting device 6, the natural light from a lighting panel opening 2 formed on a roof panel 1 is lighted in the cabin interior R through a main opening 5 which is formed on a head lining 4 and can be opened or closed by a shade 3. Furthermore, at least one sub opening 14 is formed around the main opening 5, and the cabin interior R can be illuminated by the natural light from the lighting panel opening 2 through the sub opening 14. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a roof daylighting apparatus that takes in natural light from a daylighting panel opening formed in a roof into a vehicle interior.

  Conventionally, a car called a sunroof car is provided with a roof daylighting device that can illuminate natural light from the daylighting panel opening formed in the roof panel by opening the shade into the passenger compartment through the headlining opening. It has been.

  In such a daylighting device, a frame body is formed between the roof panel and the headlining along the periphery of the daylighting panel opening, and artificial light from an artificial light source such as a lamp provided in the frame body is received by the daylighting panel. There is also known one that reflects at the edge of the vehicle and irradiates the interior of the vehicle (for example, Patent Document 1).

By the way, in such a roof daylighting device, a shade is opened at night, and an artificial light source is turned on and reflected to produce a light effect. Moreover, the shade was opened in the daytime and the artificial light source was turned on to produce the light.
Japanese Utility Model Sho 60-52145

  However, it is necessary to open the shade both at night and at noon, and although the former has some effect, the artificial light from the artificial light source is included in the transmitted natural light at the same aperture. The effect of production was extremely small because of the mixing.

  Therefore, an object of the present invention is to provide a roof daylighting apparatus that can sufficiently exhibit a light effect in a vehicle interior using natural light from a daylighting panel opening.

  In order to achieve this object, in the roof daylighting apparatus of the present invention, natural light from the daylighting panel opening formed in the roof panel is daylighted into the vehicle interior through the main opening formed in the headlining and freely opened and closed by the shade. Further, the main configuration is that at least one sub-opening is formed around the main opening, and natural light from the daylighting panel opening can be illuminated through the sub-opening.

  According to the configuration of the present invention, regardless of whether the shade is opened or closed, the natural light collected from the daylighting panel opening is allowed to pass through the sub-opening, so that the interior of the vehicle can be illuminated and the light effect is sufficiently exhibited. A roof daylighting apparatus can be provided.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  1 to 6 show an embodiment of the roof daylighting device 6 of the present invention.

  As can be seen from FIGS. 1 and 4, the roof panel 1 has a daylighting panel opening 2, and the daylighting panel opening 2 is provided with a daylighting panel 7 made of glass or synthetic resin in a fixed manner. It has been. However, the daylighting panel 7 may be mounted so as to be openable and closable in order to obtain a feeling of opening or to exchange air in the vehicle interior R. A head lining 4 is provided at an interval on the vehicle interior R side of the roof panel 1, and a main opening 5 is formed at a position of the head lining 4 facing the daylighting panel opening 2. In addition, the shade 3 is attached to the main opening 5 so as to be freely opened and closed, and natural light can be taken into the vehicle interior R from the main opening 5 as necessary.

  Therefore, the roof daylighting device 6 is capable of daylighting the natural light from the daylighting panel opening 2 formed in the roof panel 1 into the vehicle interior R through the main opening 5. At least one sub-opening 14 is formed around the main opening 5, and the sub-opening 14 is provided with a finisher 15 that can illuminate a character string, a figure, a color, and / or a pattern as a bright area. It has been.

  In this embodiment, the sub-openings 14 are provided on both sides of the main opening 5 in the vehicle width direction and have a long rectangular shape in the vehicle front-rear direction, but may be in the vehicle front-rear direction and the diagonal direction of the main opening 5. Also, the shape may be an ellipse, a slit, a dot, or the like. The finisher 15 to be fitted into the sub-opening 14 may be a combination of a frame and a transparent body, a watermark engraving, a transparent body alone, or the like. The transparent body is preferably a resin film, an acrylic resin plate, a glass plate, or the like having good translucency, and may be provided with a color or a pattern by painting, pasting, projecting, or the like. Various finishers 15 may be prepared so that they can be easily exchanged according to the mood at that time. It is possible to exchange things such as films that give colors and patterns, or move the film so that it changes continuously. It may be wound up or the like.

  Here, a light guide means 16 is provided in the space between the roof panel 1 and the headlining 4 in order to guide natural light from the daylighting panel opening 2 to the sub-opening 14. In this embodiment, the light guide means 16 is composed of light guide members 16a and 16b, and is formed by any one or combination of prisms, mirrors, and optical fibers.

  As shown in FIG. 1, the light guide member 16 a positioned above the main opening 5 facing the daylighting panel 7 and the light guide member 16 b positioned facing the sub-opening 14 are used as prisms and enter the daylighting panel opening 2. Natural light is bent at the light guide member 16a to horizontally advance the space between the roof panel 1 and the headlining 4 and bent at a right angle by the light guide member 16b disposed opposite the light guide member 16a. The vehicle interior R is illuminated regardless of the open / closed state of the main opening 5 through the opening 14. The light passing through the sub-opening 14 is given a color and a pattern by a finisher 15 fitted therein, and lights the vehicle interior R to produce light.

  At this time, the light guide members 16a and 16b are configured such that one surface that sandwiches a right angle faces each other and the other surface faces the lighting panel opening 2 and the sub-opening 14, respectively.

  Furthermore, in the present embodiment, a light control device 17 that controls the illumination irradiated to the vehicle interior R is provided on the above-described optical path. The light control device 17 may employ a known diaphragm mechanism, but in this embodiment, light control is possible by changing the optical path passing through the light guide member 16b.

  Specifically, as shown in FIGS. 5 and 6, the light control device 17 has shafts 18 and 18 attached to both sides in the longitudinal direction of the light guide member 16 b, and both shafts 18 are supported by bearings 19. The light guide member 16b is rotatable. A pinion gear 20 is provided on one of the shafts 18 and 18, and a rack gear 21 meshing with the pinion gear 20 is provided on the headlining 4 or the like. The rack gear 21 has a knob portion 21 </ b> A that protrudes from a hole 4 </ b> A formed in the headlining 4 into the vehicle interior R, and can be manually operated along the surface of the headlining 4. This operation can be electric or electric / manual.

  The light guide member 16b rotates by sliding the knob portion 21A. Accordingly, the posture of the light guide member 16b that takes natural light into the vehicle interior R shown by the solid line in FIG. 1 is changed to another posture, the imaginary line in FIG. 1, FIG. 2, etc., and the passage of light to the sub-opening 14 is prevented. Or the amount of light can be adjusted according to the change in the posture.

  1 and 3, an artificial light source 9 is provided in a direction opposite to the light guide member 16a facing the light guide member 16b, and illumination from the sub-opening 14 to the vehicle interior R by switching the light path of the light guide member 16b. Is possible. As the artificial light source 9, an incandescent lamp, a light emitting diode, an LED, or the like is provided. A light guide means dedicated to the artificial light source 9 may be provided.

  According to the above configuration, when the light guide means 16 is attached to the shade 3, natural light can be taken from the sub-opening 14 when the shade 3 is closed, but natural light is taken from the main opening 5. Natural light cannot be taken in from the sub-opening 14 when the sub-opening 14 is on. In order to avoid this, the light guiding means 16 may be fixed to a non-movable part such as the roof panel 1 or the head lining 4 by extending it in a cantilever shape with a support member (not shown).

  Further, when the light guide means 16 is an optical fiber or a bundled optical fiber, if the optical fiber is fixed to a part such as the roof panel 1 or the headline 4, it is easy to face the tip of the light guide panel 16 toward the daylighting panel opening 2. Moreover, there is little loss of light. One of the light guide means 16 may be a mirror or an optical fiber, or both may be a combination of a mirror and an optical fiber.

  As described above, since the roof daylighting device has such a configuration, natural light from the daylighting panel opening can be illuminated from the subopening regardless of whether the shade is opened or closed, and the light effect can be sufficiently exhibited. And ensure comfort. In addition, since the light guiding means 16 is provided to guide the natural light from the daylighting panel opening 2 to the sub-opening 14, the vehicle interior R can be reliably illuminated from the sub-opening 14 with reduced light loss.

  In addition, since the light guide means 16 is formed by any one or a combination of a prism, a mirror, and an optical fiber, an optimum configuration can be selected by appropriately combining various light guide means 16 according to the place and purpose of installation. is there.

  Further, since the finisher that can illuminate the appearance is provided in the sub-opening 14 using the color and / or pattern of the light as a brilliant region, the interior R is illuminated with the light and the color and the pattern. It can be made comfortable.

  Further, since the artificial light source 9 is provided for the illumination from the sub-opening 14, even when natural light is being taken or when natural light cannot be taken, such as at night or underground, the secondary or main light of the artificial light source 9 is not emitted. Production is possible.

  Furthermore, since the light control device 17 that adjusts the illumination from the sub-opening 14 is provided, lighting can be started and stopped as necessary, and the amount of light can be adjusted to increase the light effect. it can.

  Although only the vehicle has been described, it can also be used for ships and houses.

FIG. 5 is a cross-sectional view taken along the line AA of FIG. 4 showing an embodiment of the roof daylighting apparatus of the present invention. It is an example of arrangement | positioning of the light guide means to employ | adopt, and is arrangement | positioning explanatory drawing comprised so that light might be returned to the original direction. It is arrangement | positioning explanatory drawing explaining the structure which takes in the light from an artificial light source in a vehicle interior. It is a principal part elevation view of the front upper direction of the vehicle interior in which a roof lighting apparatus is provided. It is a top view which shows the drive mechanism of a light modulation apparatus. FIG. 6 is a cross-sectional view of a main part CC of the drive mechanism of FIG. 5.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Roof panel 2 ... Daylighting panel opening 3 ... Shade 4 ... Headlining 5A ... Main opening 6 ... Roof daylighting device 7 ... Daylighting panel 9,22 ... Artificial Light source 14 ... Sub-opening 15 ... Finisher 16 ... Light guiding means 17 ... Light control device R ... Vehicle interior

Claims (6)

In the roof daylighting apparatus in which natural light collected from the daylighting panel opening formed in the roof panel is daylighted into the vehicle interior through a main opening formed in the headlining and freely opened and closed by a shade.
A roof daylighting apparatus characterized in that at least one sub-opening is formed around the main opening, and the interior of the vehicle can be illuminated by allowing natural light collected from the daylighting panel opening to pass through the sub-opening.   2. The roof daylighting apparatus according to claim 1, further comprising light guide means for guiding natural light collected from the daylighting panel opening to the sub-opening.   3. The roof daylighting apparatus according to claim 2, wherein the light guiding means is formed of any one of prisms, mirrors, and optical fibers, or a combination thereof.   The roof lighting device according to any one of claims 1 to 3, wherein a finisher capable of displaying a character string, a figure, a color, and / or a pattern as a brilliant region is provided in the sub-opening.   The roof lighting device according to claim 1, wherein an artificial light source is provided in the vicinity of the sub-opening.   The roof lighting device according to any one of claims 1 to 5, further comprising a light control device capable of adjusting an amount of light that illuminates a vehicle interior from the sub-opening.

Images