JPH11306843A - Luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To hold a reflecting plate without mounting a holding guide as a different part on a luminaire by providing a cut-up piece touching the back surface of the reflecting plate on the reflecting plate mounting surface of an LS metal fittings. SOLUTION: A reflecting plate mounting surface 26 having a lamp socket mounting recessed part 27 opened in the rear end, a pair of standing pieces 28 bent upward at a right angle from both side ends thereof, and a pair of mounting pieces 29 bent outward from the upper end of the standing piece 28 are formed on both sides of an LS metal fitting 25. A cut-up 55 having a reflecting plate holding piece 56 for holding the form of a reflecting plate 35 in contact with the end part upper surface of the reflecting plate 35 is provided to be protruded downward on both sides of the reflecting plate mounting surface. In the mounting of the reflecting plate 35 within a luminaire, the reflecting plate holding piece 56 is brought into contact with the reflecting plate mounting surface 26 of the LS metal fitting 25, and the reflecting plate 35 is fixed by screwing a decorative screw 22 to a screw hole 23 which is provided on the LS metal fitting 25.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device used in a tunnel or the like.

[0002]

2. Description of the Related Art Conventionally, this kind of lighting equipment is used in a tunnel or the like, and the lighting equipment shown in FIGS. 9 to 11 is generally known.

[0003] This type of luminaire has a box-shaped luminaire main body 1 having a plate-like edge 2 at a lower peripheral opening and a lower outer peripheral end, and an upper opening and an upper peripheral rim mounted to cover the lower opening of the luminaire main body 1. It comprises a butting portion 11 which abuts against the edge 2 of the instrument body at its end, and a box-shaped cover 10 having a reinforcing piece 12 formed upward from the outer peripheral end of the abutting plate 11.

A light-transmitting opening 14 which is slightly smaller than a rectangular light-transmitting plate 20 mounted inside the cover is formed in the lower surface 13 of the cover, and a light-transmitting plate is formed on the upper surface of the lower surface of the cover. An inverted L-shaped translucent plate mounting bracket 15 for fixing 20 is mounted.

A lamp socket support 25 (hereinafter referred to as an "LS fitting") to which a lamp socket 24 is detachably attached is attached to both ends of the lower surface of the apparatus main body back portion 3 so as to face downward. On the lower surface of the rear portion 3 of the fixture body facing the lamp socket 24 inside the LS fitting 25, a holding guide 30 having a substantially U-shape and having reflector holding pieces 31, 31 outward at both lower ends is electrically connected. It is welded by spot welding.

The LS fitting 25 has a rectangular lamp socket mounting recess 2 having a rectangular shape in the width direction and an open rear end.
A reflector mounting surface 26 having both sides 7 and 27, a pair of rising pieces 28, 28 formed at right angles from both ends of the reflecting plate mounting face 26 upward, and these rising pieces 28, 28. And a pair of mounting pieces 29, 29 formed at right angles outward from the upper ends of the mounting pieces.

Further, a screw hole 23 for screwing the decorative screw 22 for fixing the reflector 35 is provided on the front side of the reflector mounting surface 26 where the lamp socket mounting recess 29 is formed.

The holding guide 30 has a mounting piece 32 having a rectangular shape in the width direction of the upper surface, and a pair of falling pieces 33, 33 formed by bending both sides of the mounting piece 32 downward at right angles. And a pair of reflector holding pieces 31, 31 which are bent outward from the lower ends of the falling pieces 33 and are in contact with the rear surface in the width direction of the reflector.

The reflector 35 has a curved shape with an asymmetrical cross section, and has a pair of notched notch recesses 37 in which the lamp sots 24 are fitted at both ends, and a mounting hole 38 inside the notched notch recess 37. The reflection plate 36 is connected in a pair in the width direction. As shown in FIG. 9, a straight tube fluorescent lamp 5 is detachably attached to the lamp sot 24.

A method of assembling a lighting fixture will be described.

Since this type of reflecting plate 35 has a curved cross section and is asymmetrical in the left and right directions, the reflecting plate 35 is attached to the LS fitting 2 attached to both ends of the instrument body 1.
When attaching to the LS fittings 25, the reflectors are held by the holding guides 30, 30 arranged inside the LS fittings, and the reflectors 35 are placed on the LS fittings 25.

Then, the decorative screw 22 is screwed and fixed to the screw hole 23 formed in the LS fitting 25 through the mounting hole 38 provided in the reflecting plate 35 in advance.

This type of lighting equipment is often installed in a tunnel. In order to prevent water dripping from the ceiling of the tunnel from entering the lighting equipment, the lighting equipment main body 1 and the cover 10 are connected to each other. It is fastened and fixed with a plurality of screws 21.

When the luminaire is to be removed from the ceiling surface, which is the mounting surface, all the screws 21 fixing the luminaire body 1 and the cover 10 are removed, and then the cover 10 is removed.

For this reason, when a maintenance work such as replacement of a lamp at a customer site is required, a very long time is required, and at the same time, a large number of man-hours are required in the manufacture of a lighting fixture.
The cost increased.

[0016]

As described above, in the conventional luminaire, in addition to the LS fitting 25, the holding guide 30 for holding the reflecting plate 35 is a separate component, and two lamps are provided for one lamp. There is a problem that the holding guide 30 is required and the lighting equipment becomes expensive.

Further, there is a problem that the number of parts constituting the lighting fixture increases, and a mold for manufacturing the holding guide and a jig for positioning and fixing the holding guide to the fixture body are required.

The present invention has been made in view of the above points, and it is an object of the present invention to provide a lighting fixture having a reflector having a curved shape which is easy to assemble.

[0019]

In order to achieve the above object, an illuminating device according to the present invention according to the first aspect of the present invention has LS fittings in which reflectors having a curved cross section are provided at both ends in the longitudinal direction of the luminaire main body. In the lighting fixture mounted on the reflector mounting surface of
The LS fitting is characterized in that a cut-and-raised piece having a reflector holding piece that comes into contact with the back of the reflector is provided on the reflector mounting surface of the LS fitting.

The lighting apparatus according to the present invention according to claim 2 is
In a lighting fixture in which a reflector having a curved cross section having an asymmetrical cross section is mounted on a reflector mounting surface of an LS fitting provided opposite to both ends in the longitudinal direction of the fixture body, the LS fitting is provided on the reflector mounting face of the LS fitting. A first cut-and-raised piece having a reflection holding piece abutting on the reflector back surface when the metal fitting is arranged at one end of the instrument body, and a first cut-and-raised piece having the reflection holding piece when the LS metal fitting is arranged at the other end of the instrument body. A second cut-and-raised piece having a reflection holding piece abutting on the back surface of the reflector plate;
The S bracket can be commonly used at one end and the other end of the device main body.

According to a third aspect of the present invention, there is provided a lighting fixture,
Having the number of lamps set in the tunnel and the number of lanes according to the number of lanes in the tunnel, the cross-sectional shape of the reflector of each lamp is such that each lamp is a curved surface that mainly distributes light at the center of each lane. It is a feature.

In the configuration according to the first aspect of the present invention, when the reflector is mounted on the reflector mounting surface of the LS fitting to be mounted in the luminaire, the reflector has a reflector holding piece that comes into contact with the reflector. By forming the piece, the reflection plate can be held as a separate component without attaching the holding guide to the lighting fixture.

According to the second aspect of the present invention, since the reflector attached to the LS fitting has a curved cross section and is asymmetrical left and right, the LS fitting is formed by a cut-and-raised piece having a reflector holding piece formed on the facing LS fitting. Therefore, by forming a cut-and-raised piece having a reflector holding piece that can be used for both in the LS fitting, an LS fitting with no direction can be formed.

According to the third aspect of the present invention, the reflector attached to the lighting equipment mainly distributes light at the center of the lane in the tunnel. Is mainly distributed in the center of one lane of the two lanes, and the other lamp is mainly distributed in the center of the other lane of the two lanes, so that more appropriate light distribution can be achieved.

[0025]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A lighting apparatus according to an embodiment of the present invention will be described below with reference to FIGS. The same parts as in the prior art will be described with the same reference numerals.

FIG. 1 is a side sectional view of the lighting fixture, and FIG. 2 is a perspective view of the lighting fixture as viewed from below. FIG. 3 shows a state in which the cover is removed from the instrument body.

First, a lighting fixture according to a first embodiment will be described with reference to FIGS.

As shown in FIG. 3, the luminaire is a box-shaped luminaire body 1 having a plate-like edge portion 2 which is open at the lower surface and has a lower peripheral edge at a lower outer peripheral end.
And an overhanging portion 16 that is attached to cover the underside opening of the instrument body 1 and that is formed at a right angle outward from an upper outer peripheral end and an outer peripheral end, and upward from the outer peripheral end of the overhanging portion 16. And a box-shaped cover 10 having an abutting portion 17 formed at a right angle.

A seal packing 18 having a rectangular cross section is provided in a recess formed by the overhang 16 and the abutment 17.
The seal packing 18 is shaped to be pressed by the edge 2 of the instrument body when the cover 10 is attached to the instrument body 1.

Further, as shown in FIG. 1, a light-transmitting opening 14 slightly smaller than a rectangular light-transmitting plate 20 mounted inside the cover is formed in the lower surface 13 of the cover 10. A light transmitting plate 20 is provided on the upper surface of the cover lower surface 13.
An inverted L-shaped light-transmitting plate mounting bracket 15 is mounted.

As shown in FIGS. 1 and 3, the cover 10 and the instrument body 1 are connected via a hinge 40 attached to one end. Also, the cover 10 is shown in FIG.
And as shown in FIG. 2, it is tightened and attached to the instrument main body 1 by the attachment member 50 attached to the other end.

The hinge 40 has a hinge A41 having an insertion shaft portion 42 attached to the cover 10 and a hinge having a receiving portion 45 attached to the instrument body 1 and into which the insertion shaft portion 42 of the hinge A is inserted. B44.

The attachment member 50 includes a substantially U-shaped hook portion 51 attached to the instrument body, and a cover 1.
The hook piece 52 is attached to the hook portion and attached to the hook portion 0.

A substantially U-shaped LS fitting 25 to which a lamp socket 24 is detachably attached is attached to both ends of the lower surface of the apparatus main body back portion 3 so as to face each other.

The LS fitting 25 is, as shown in FIG.
A reflector mounting surface 26 having a rectangular lamp socket mounting recess 27 having a rectangular shape in the width direction and having a rear end opening on both sides.
And a pair of rising pieces 28, 28 bent at right angles upward from both side ends of the reflection plate mounting surface 26, and bent at right angles outward from the upper ends of these rising pieces, respectively. And a pair of mounting pieces 29, 29.

On the front side of the reflector mounting surface 26 in which the lamp socket mounting recess 27 is formed, a screw hole 23 for screwing a decorative screw for fixing the reflector is provided.

Further, on both sides of the reflector mounting surface 26 provided with the screw holes 23, there are provided reflector holding pieces 56, 56 which contact the upper surface of the end of the reflector and maintain the shape of the reflector. The piece 55 protrudes downward.

The reflector 35 mounted on the reflector holding pieces 56, 56 of the LS fitting 25 has a curved surface shape having a laterally asymmetric cross section in the width direction, and has a pair of lamp sot notch recesses 37, into which lamp sots are fitted at both ends. 37, and a pair of reflectors 36 having a mounting hole 38 inside the notch recess 37 of the lamp sot are connected in the width direction.

A pair of cut-and-raised pieces 55, 55 on which the reflecting plate 35 is placed in the width direction are first cut-and-raised having a reflecting plate holding piece (right) 61 erected on the right side of the screw hole 23. A piece 60 and a second cut-and-raised piece 65 having a reflector holding piece (left) 66 erected on the left side of the screw hole 23.

For this reason, the LS fitting attached to the right end of the instrument body has the shape shown in FIG. 5A, and the LS fitting attached to the left end has the shape shown in FIG. 5B. Therefore, the LS fittings attached to both ends of the instrument body are separate parts.

A method of assembling the lighting fixture according to the first embodiment will be described.

When a reflector 35 having an asymmetrical shape with a curved cross section is mounted in the lighting fixture, the reflector is attached to the reflector mounting surface 26 of the LS fitting 25 opposed to both longitudinal ends of the fixture body 1. Cut-and-raised piece 5 having holding piece 56 at the tip
5 and 55 are formed so as to protrude, and the reflection plate holding pieces 56 and 56 are formed.
And the reflecting plate 35 is attached to the decorative screw 22 by LS.
It can be screwed and fixed in a screw hole 23 provided in the metal fitting.

For this reason, the reflector can be held as a separate part without attaching the holding guide used in the prior art to the lighting fixture.

The LS fittings mounted opposite to both ends of the instrument body are arranged at one end and at the other end, since the cross-sectional shape of the reflecting plate is asymmetrically curved. It has directionality and is a separate part from the LS fitting.

When the cross-sectional shape of the reflector is symmetrical, the LS fitting has no directivity, so that the L
S fittings can be used but are possible.

In the LS fitting 25 shown in FIGS. 1 and 4, cut-and-raised pieces each having a reflector holding piece at the tip are formed so as to protrude on both sides of the screw hole. The cut-and-raised piece having the reflection plate holding piece may be formed so as to protrude.

Next, a lighting fixture according to a second embodiment will be described with reference to FIGS. Note that the lighting fixture according to the first embodiment has the same configuration as the lighting fixture according to the first embodiment, except for a cut-and-raised piece having a reflector holding piece at the tip formed on the reflector mounting surface of the LS fitting.

The LS fitting 25 according to the second embodiment is
The LS fitting 25 having the same shape is used to hold the reflecting plate 35 having an asymmetric curved surface.

The reflector mounting surface 26 of the LS fitting 25 has a rectangular lamp socket mounting recess having a rectangular shape in the width direction and having open rear ends on both sides, similarly to the LS fitting according to the first embodiment. 27, and a screw hole 23 for screwing a decorative screw for fixing a reflection plate provided in front of the lamp socket mounting recess 27 is formed.

On the reflector mounting surface 26 of the LS fitting 25, for example, as shown in FIG. 6, when this LS fitting is disposed at one end of the instrument body 1, a reflection holding piece which comes into contact with the back face of the reflecting plate 35 is provided. Raised piece 60 as a first raised piece having
a and a cut-and-raised piece 60b as a second cut-and-raised piece having a reflection holding piece that comes into contact with the back surface of the reflector when the LS fitting is disposed at the other end of the instrument body.
The bracket can be commonly used at one end and the other end of the device main body.

When these LS fittings 25 are arranged at both ends facing each other, as shown in FIG.
5, a cut-and-raised piece 60a having a reflector holding piece 61 at the tip provided at a position from the screw hole 23, and a tip provided at a position b from the screw hole 23 of the LS fitting 25 disposed on the near side. And a cut-and-raised piece 60b having a reflector holding piece 61 is disposed at a position facing the cut-and-raised piece 60b.

FIG. 7 shows a method of assembling a reflector having an asymmetric curved surface to the LS fitting of the lighting fixture according to the second embodiment.
This will be described with reference to FIG.

A common LS fitting 25 is attached to the lower surface of the rear surface of the instrument body 1 so as to face the lower face, and a reflection plate holding piece at the tip of the cut-and-raised piece formed on the LS fitting has a reflection surface having an asymmetric curved surface. When the plate is abutted and mounted, the reflector comes into contact with the reflector holding piece of the cut-and-raised piece formed at the position a of the LS bracket 25 arranged on the back side, and the LS bracket 2 arranged on the back side.
The reflector does not abut the reflector holding piece of the cut-and-raised piece formed at the position b of 5.

The reflector is not in contact with the reflector holding piece of the cut-and-raised piece formed at the position a of the LS fitting 25 arranged on the front side, and the cut-and-raised formed at the position b of the LS fitting 25 is not provided. The reflector is in contact with the reflector holding piece.

Then, the decorative screw 22 is screwed and fixed to the screw hole 23 of the LS fitting through the mounting hole 38 formed in the reflection plate 35.

Next, the lighting equipment installed in the tunnel will be described with reference to FIG.

When the two-lamp lighting device is installed along the longitudinal direction of the inner wall of the semicircular tunnel, the upper lamp mainly distributes light to the center of the distant lane with respect to the light distribution to the orbit in the tunnel. The lower lamps have a reflector cross-sectional shape of each of the lamps so as to mainly distribute light in the center of the lane on the front side.

Note that the upper lamps are formed so as to distribute light mainly in the center of the front lane, and the lower lamps are formed so as to mainly distribute light in the center of the far lane. May be used.

At the time of holding and maintenance, as shown in FIG. 3, the connection between the instrument body 1 and the cover 10 uses the hinge 40 which can be inserted and removed, so that the cover can be used without using a special tool. It can be attached and detached.

Further, since the seal packing 18 is attached to the abutting portion between the fixture body 1 and the cover 10, water does not enter the lighting fixture.

Next, the operation of the above embodiment will be described.

The lighting fixture according to the first aspect of the present invention is provided as a separate part by providing a cut-and-raised piece having a reflector holding piece serving as a guide when the reflector is attached to the LS fitting mounted in the lighting fixture. It is not necessary to attach the holding guide used in the prior art to the lighting fixture body.

Since the reflecting plate of the luminaire according to the second aspect has a curved cross section and is asymmetric, the cut-and-raised piece having the reflecting plate holding piece at the tip formed on the facing LS fitting has a directivity. However, by forming a cut-and-raised piece having a reflector holding piece that can be used for both, the LS fitting can be formed without directionality. Can be used.

According to the third aspect of the present invention, the reflecting plate attached to the lighting fixture mainly distributes light at the center of the lane in the tunnel.
By making the lighting fixtures for two lights, for example, the upper lamp distributes light mainly in the center of the far lane, and the lower lamp distributes light mainly in the center of the front lane. Appropriate light distribution can be achieved.

Further, in attaching / detaching the cover of the lighting fixture during the maintenance and maintenance, the fixture can be attached / detached without using screws or the like by connecting the fixture main body and the cover with a detachable hinge.
The cover can be removed without using a special tool.

[0066]

As described above in detail, according to the first aspect of the present invention, a cut-and-raised portion having a reflector holding piece at a tip serving as a guide when the reflector is mounted on the LS fitting mounted in the lighting fixture. By providing the strip, it is not necessary to attach a holding guide, which has been conventionally used, to the fixture body as a separate component, so that the number of components can be reduced and an inexpensive lighting fixture can be provided.

According to the second aspect of the present invention, the cross-sectional shape of the reflection plate is asymmetrical in the left-right direction, but the cut-and-raised pieces having the reflection-plate holding pieces serving as respective guides are provided on the opposed LS fittings. , LS fittings can be used in common, so that a less expensive lighting fixture can be provided.

According to the third aspect of the present invention, the number of lamps of the lighting equipment is adjusted to the number of lanes in the tunnel, and each lamp is mainly distributed at the center of each lane.
Appropriate light distribution can be achieved.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing a configuration of a lighting device according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing the overall configuration of the lighting fixture in the first embodiment.

FIG. 3 is a perspective view showing a partial configuration of the lighting fixture according to the first embodiment, in which (A) shows a state in which a cover is assembled to the fixture main body. (B) is a sectional view showing the seal packing attached to the outer peripheral concave portion of the cover. (C) is a perspective view showing seal packing.

FIG. 4 is an exemplary perspective view showing a state in which a reflector having a curved surface is mounted on the LS fitting according to the first embodiment;

FIG. 5A is a perspective view showing the LS fitting according to the first embodiment, and FIG. 5A is a perspective view showing the LS fitting arranged on the back side.
(B) is a perspective view showing the LS fitting arranged on the near side.

FIG. 6 is a side sectional view showing a configuration of a lighting fixture according to a second embodiment of the present invention.

FIG. 7 is an exemplary perspective view showing a state where a left-right asymmetric reflector is mounted on the LS fitting according to the second embodiment;

FIG. 8 is a front view showing a state where the lighting fixture according to the present invention is mounted in a tunnel.

FIG. 9 is a perspective view showing a lighting device according to the related art.

FIG. 10 is a side sectional view showing a lighting apparatus according to the related art. (A) is a side sectional view. (B) is an enlarged side view showing the end of the instrument body and the cover.

FIG. 11 is a perspective view showing a structure in which a reflector in the related art is mounted on an LS fitting.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Instrument main body, 25 ... LS bracket, 26 ... Reflector mounting surface, 35 ... Reflector, 60 ... Cut-and-raised piece, 60a ... First cut-and-raised piece (cut-and-raised piece provided at the position of a) , 60b... 2nd cut-and-raised pieces (cut-and-raised pieces provided at the position of b);

Claims (3)

[Claims] 1. A lighting device in which a reflecting plate having a curved cross section is mounted on a reflecting plate mounting surface of an LS fitting provided at both ends in a longitudinal direction of a fixture body, wherein the reflecting plate mounting surface of the LS fitting includes the reflecting plate. A lighting fixture, comprising: a cut-and-raised piece having a reflector holding piece in contact with a back surface. 2. A lighting fixture in which a reflector having a curved cross section with an asymmetrical cross section is mounted on a reflector mounting surface of an LS fitting provided opposite to both ends in the longitudinal direction of the fixture main body, wherein the reflector mounting face of the LS fitting is provided. A first cut-and-raised piece having a reflection holding piece that comes into contact with the back surface of the reflector when the LS fitting is arranged at one end of the instrument body; and the LS fitting is attached to the other end of the instrument body. And a second cut-and-raised piece having a reflection holding piece that comes into contact with the rear surface of the reflector when arranged, so that the LS fitting can be commonly used at one end and the other end of the instrument body. Lighting equipment featuring. 3. A lamp which is installed in a tunnel and has a number of lamps corresponding to the number of lanes in the tunnel, and a reflector cross-sectional shape of each lamp is mainly distributed to each lamp at the center of each lane. Lighting equipment characterized by having a curved surface.