JPH06111614A - Luminaire - Google Patents

Abstract

PURPOSE:To provide an illumination effect full of variety as a luminaire by using the other end of a light transmission hose and its vicinity as a main illumination section in conjunction with a component such as a reflecting mirror, emitting the scattered light from the side face of the adjacent hose with the preset length, making the light passing path visible, and emitting the scattered light together with the emission of light from the main illumination section. CONSTITUTION:A light transmission hose 1 sealed with a viscous liquid core 3 in a transparent tubular body 4 having a refraction factor lower than that of the core 3 by transparent windows 5 at both ends is connected to a light source at one end. The light fed from a light source is repeatedly reflected on the boundary face between the core 3 and the tubular body 4 and transmitted from one end of the hose 1 to the other end, and the preset length of the side face of the hose 1 next to the other end of the hose 1 is used as a scattered light outgoing section 2. A reflecting mirror and a light diverging/distributing component are fitted at the other end of the light transmission hose 1, and the other end of the hose 1 and its vicinity are used as a main illumination section.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to various lighting fixtures that do not use a lamp as a direct lighting unit.

[0002]

2. Description of the Related Art In order to use a light guide from a light source and an illumination portion at a position away from the light source, it is considered to use a bundle fiber in which optical fibers are bundled. Quartz-based fibers are generally used, but the bundled fibers that bundle these fibers are extremely expensive and not practical for application to various lighting fixtures. Therefore, it is conceivable that one end of a light guide in which the core is housed in the clad is connected to the light source and light is emitted from the other end.

[0003]

The conventional core having the clad housed in the clad is devised only in terms of how efficiently the light incident from one end is emitted from the other end.
No ingenuity has been made to apply it as a lighting fixture.

[0004] Therefore, an object of the present invention is to provide a luminaire capable of illuminating in a variety of ways, not using a lamp as a direct illuminating part but using a place apart from the lamp as an illuminating part.

[0005]

To achieve the above object, the present invention provides an optical transmission system in which a viscous liquid core is enclosed in a transparent tubular body having a refractive index lower than that of the core with transparent windows at both ends. One end of the hose is connected to a light source, and the light incident from the light source is repeatedly reflected at the interface between the core and the tubular body to be transmitted from one end of the hose to the other end, and the predetermined length of the side surface of the hose that continues to the other end of the hose. A scattered light emitting portion is provided, and a reflecting mirror or other light diverging or distributing component is attached to the other end of the light transmission hose, and the other end of the hose and its vicinity are mainly used as an illuminating part.

[0006]

According to the present invention, the other end of the light transmission hose and its vicinity cooperate with parts such as a reflecting mirror to serve as a main illumination section, and scattered light is emitted from the side surface of the hose adjacent to the main illumination section. You can see the path. Also, since the scattered light is emitted along with the emission of light in the main illumination unit,
As a lighting fixture, a variety of lighting effects that are unprecedented will be exhibited.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows an example applied to an indoor floor stand, in which a hollow tubular arm 11 extends from a light source storage case 10, and an arm 11 'on the tip side is formed of a transparent material. The optical transmission hose 1 is inserted into these arms 11 and 11 '. Arm 11 '
A cap 12 having a reflecting mirror 17 is attached to the tip end side of the. A power cord 13 is attached to the light source storage case 10. As shown in FIG. 2, the light source 14 housed in the light source housing case 10 is provided so that the condenser mirror 16 surrounds the lamp 15, and the light from the lamp 15 enters one end of the light transmission hose 1. It is like this. It is preferable to use a halogen lamp, a metal halogen lamp, a xenon lamp, or the like as the lamp 15. On the inner surface of the shade 12,
As shown in FIG. 3, a reflecting mirror 17 is provided, a mounting member 18 having a thread on its outer peripheral surface is fixed to a transparent arm 11 ′, and the base of the cap 12 is screwed onto the mounting member 18. It has become. Light emitted from the other end of the optical transmission hose 1 and its vicinity is reflected by the reflecting mirror 17 and the shade 12
The light is emitted toward the opening side of, and this portion is the main illumination portion. Further, a predetermined length of the side surface of the hose adjacent to the main illumination portion, that is, the length of the transparent arm 11 'is set as the scattered light emitting portion 2.

In the embodiment shown in FIGS. 1 to 3, the main illuminating section is provided with the reflecting mirror 17, but various parts for diverging or distributing light can be attached. A light scattering plate may be attached to the opening side of the shade 12 in this embodiment,
A lens may be provided.

FIG. 4 shows the basic structure of the optical transmission hose 1,
The viscous liquid core 3 is enclosed in a transparent tubular body 4 having a refractive index lower than that of the core by transparent windows 5 at both ends. By using the tubular body 4 having a refractive index lower than the refractive index of the core 3, light is reflected at the interface between the two and the light incident from one end is transmitted to the other end by repeating this reflection. . Examples of the core 3 include polyols such as polyethylene oxide, polypropylene oxide, glycerin, etc., polyol esters, polyol ethers, chloroethyl phosphate, phosphoric acid esters of trioctyl phosphate, liquid paraffin, fluorine oil,
Silicone oil, polyisobutylene, polysiloxane-modified polyether, an aqueous solution of an inorganic salt, a polymer solution obtained by diluting a polymer with an appropriate solvent, or the like is used.

As a material for forming the tubular body 4, a material such as plastic or elastomer which has flexibility, can be formed into a tube shape, and has a lower refractive index than the core 3 is used. Specific examples thereof include polyethylene, polypropylene, polyamide, polystyrene, ABS, polymethylmethacrylate, polycarbonate, polyvinyl chloride, polyvinylidene chloride, polyvinyl acetate, polyethylene-vinyl acetate copolymer, polyvinyl alcohol, polyethylene-polyvinyl alcohol. Copolymer, fluororesin, silicone resin, natural rubber, polyisoprene rubber,
Polybutadiene rubber, styrene-butadiene copolymer,
Examples thereof include butyl rubber, halogenated butyl rubber, chloroprene rubber, allyl rubber, EPDM, acrylonitrile-butadiene copolymer, fluororubber and silicone rubber. Of these, silicone-based polymers and fluorine-based polymers having a low refractive index are particularly preferable, and specifically, silicone-based polymers such as polydimethylsiloxane polymer, polymethylphenylsiloxane polymer, fluorosilicone polymer, and polytetrafluoroethylene (PTF).
D), tetrafluoroethylene-hexafluoropropylene copolymer (FEP), tetrafluoroethylene-perfluoroalkoxyethylene copolymer (PFE), polychlorotrifluoroethylene (PCTFE), tetrafluoroethylene-ethylene Copolymer (ETFE), polyvinylidene fluoride,
Polyvinyl fluoride, vinylidene fluoride-trifluoroethylene chloride copolymer, vinylidene fluoride-hexafluoropropylene copolymer, vinylidene fluoride-propylene hexafluoride-tetrafluoroethylene terpolymer, tetrafluoride Ethylene propylene rubber, fluorine-based thermoplastic elastomer and the like. These materials may be used alone or as a mixture of two or more kinds, and may be used as a single tube or a multiple tube. Further, only the inner surface in contact with the core liquid can be subjected to a treatment such as a smoothing treatment by a method such as coating or double extrusion.

As the transparent window 5, crown glass, quartz, flint glass, chalcogenite glass, sapphire, quartz, polycarbonate, methacrylic resin, polystyrene resin, or the like can be used.

In the embodiment shown in FIG. 1, the scattered light emitting portion 2 is inserted into the transparent arm 11 ', but the light transmission hose 1 may be hung as it is.

In the optical transmission hose 1 having the structure as shown in FIG. 4, the inner peripheral surface of the tubular body 4 may be provided with fine irregularities so that the efficiency of emitting light from the scattered light emitting portion 2 can be improved. Further, a spherical reflective scatterer coated with a highly reflective film may be mixed in the core 3.

FIG. 5 shows an example of use as a street light. One end of the light transmission hose 1 is connected to the light source 14, and the light incident from the light source 14 is at the interface between the core 3 and the tubular body 4. The scattered light emitting portion 2 has a predetermined length on the side surface of the hose that is repeatedly reflected and transmitted from one end of the hose to the other end thereof and continues to the other end of the hose. A reflection plate 19 is provided opposite to the other end of the light transmission hose 1. Thus, even when used outdoors, the optical transmission hose 1 does not need to be provided with any special means such as waterproofing and dustproofing.

[0015]

As described above, according to the present invention, not only the illumination in the main illuminating section but also the scattered light emitting section is formed at the portion following the main illuminating section, which is unprecedented as a lighting fixture. A variety of lighting effects can be achieved. You can also see the path of light.
Furthermore, in the case of using such an optical transmission hose, the main illuminating section is not heated, and even if it is used outdoors, no measures for waterproofing and dust proofing are required.

[Brief description of drawings]

FIG. 1 is a front view showing an example applied to a floor stand.

FIG. 2 is an explanatory view of a light source part.

FIG. 3 is a sectional view of a main illumination section.

FIG. 4 is a sectional view showing an example of an optical transmission hose.

FIG. 5 is a front view showing an example applied to a street light.

[Explanation of symbols]

 1 Light transmission hose 2 Scattered light emitting part 3 Core 4 Tubular body 5 Window

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification code Internal reference number FI Technical indication location G02B 5/02 9224-2K 6/00 326 6920-2K 331 6920-2K (72) Inventor Itsuo Tanuma 3405-181 Kashiwara, Sayama City, Saitama Prefecture (72) Inventor Toshio Naito 969-1 Makinu, Miyamae-ku, Kawasaki City, Kanagawa Prefecture

Claims (1)

[Claims] 1. A viscous liquid core is connected to a light source at one end of an optical transmission hose whose both ends are sealed in a transparent tubular body having a refractive index lower than that of the core by a transparent window, and the light incident from the light source is the core. Is repeatedly reflected at the interface between the hose and the tubular body and is transmitted from one end of the hose to the other end, and a predetermined length of the side surface of the hose that continues to the other end of the hose is used as the scattered light emitting part, and the other end of the light transmitting hose is equipped with a reflecting mirror or the like. A lighting fixture, characterized in that a main part of the hose is provided at the other end of the hose and its vicinity by attaching a component for diverging or distributing light.