JP2017059433A - Luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a luminaire in which a plurality of units of long lighting fixtures are connected in a straight manner.SOLUTION: A luminaire 100 of the embodiment has a structure in which a plurality of units of lighting fixtures 10 are connected in the longer direction and mounted on a fixture mounting surface S. The luminaire 100 is constituted by abutting end surfaces in the longer direction of the lighting fixtures 10 adjacent in the longer direction against each other, and in a state where the two lighting fixtures are arranged in a straight manner, connecting them by using a connection metal fitting 32. Then, by fastening and fixing the connection metal fitting 32 to a suspension bolt 31 provided protrusively from the fixture mounting surface S, the luminaire 100 is mounted on the fixture mounting surface S.SELECTED DRAWING: Figure 2

Description

  Embodiments of the present invention relate to a lighting device in which a plurality of long lighting fixtures are linearly connected and attached to a fixture mounting surface.

  2. Description of the Related Art Conventionally, there is known a hanging type lighting fixture in which a connecting fitting in which two lighting fixtures are connected in a longitudinal direction is suspended from a ceiling.

JP 2004-55305 A

  When attaching two long luminaires to the ceiling by connecting them in the longitudinal direction, it is preferable from the aesthetic viewpoint that the two luminaires are attached so as to be aligned straight along the longitudinal direction. In particular, when three or more long luminaires are connected by being connected in a straight line, it is necessary to connect adjacent luminaires straightly in order to ensure aesthetics.

  However, in the above-described conventional hanging type lighting fixture, it is not considered to connect a plurality of lighting fixtures straight, and the design is low.

  Therefore, it is desired to develop a lighting device with high designability in which a plurality of long lighting fixtures are straightly connected.

  The lighting device according to the embodiment is a lighting device in which a plurality of lighting fixtures are connected in the longitudinal direction and attached to the fixture mounting surface, and the first lighting fixture and the second lighting fixture are arranged straight in the longitudinal direction. So as to connect the first end face perpendicular to the longitudinal direction of the first lighting fixture and the second end face perpendicular to the longitudinal direction of the second lighting fixture in contact with each other; and A fixture for fixing the lighting device by fixing the connector to the fixture mounting surface.

  According to the present invention, it is possible to connect a plurality of long luminaires straight and to improve the design.

FIG. 1 is a cross-sectional view of the illumination device according to the embodiment. FIG. 2 is a perspective view showing a connection structure of the illumination device of FIG.

Hereinafter, embodiments will be described in detail with reference to the drawings.
FIG. 1 is a cross-sectional view illustrating a lighting device 100 according to an embodiment. FIG. 2 is a perspective view showing a connection structure of the illumination device 100 of FIG. The illuminating device 100 of this embodiment connects a plurality of lighting fixtures 10 in the longitudinal direction and attaches them to the fixture mounting surface S.

  As illustrated in FIG. 1, the lighting fixture 10 includes a fixture body 2 that is attached to the fixture mounting surface S, and a lamp 4 that is detachable from the fixture body 2. FIG. 1 shows a state in which the lamp 4 is separated from the fixture body 2. In this embodiment, the appliance mounting surface S is a ceiling surface, but may be a wall surface, a co-op surface, or the like.

  The instrument body 2 includes a chassis 11 and a lighting circuit (not shown). In FIG. 2, the connection part of the chassis 11A and 11B of the two lighting fixtures 10 is illustrated. As shown in FIG. 2, the chassis 11 </ b> A, 11 </ b> B has a long, substantially rectangular cylindrical structure, and includes an opening 11 a extending along the longitudinal direction on the lower surface side. Edge portions 11b and 11b on both sides along the longitudinal direction of the opening 11a are bent downward. The opening 11a and the edge 11b are connected to the longitudinal direction of the lighting device 100 in a state where the plurality of chassis 11A, 11B,.

  As shown in FIG. 1, the lamp 4 is attached to the chassis 11 of the instrument body 2 so as to close the opening 11 a. The lamp 4 holds a substrate 22 having a plurality of LED light sources 21, a reflector 23 attached with the substrate 22, a light projecting cover 24 facing the reflector 23, and a light projecting cover 24, and is fastened to the reflector 23. A fixed cover frame 25 is provided.

  The plurality of LED light sources 21 are mounted side by side on the surface 22a along the longitudinal direction of the rectangular band-shaped substrate 22 (direction perpendicular to the paper surface in FIG. 1). The plurality of LED light sources 21 are arranged along the center of the substrate 22. The surface 22a of the substrate 22 is painted white. The substrate 22 is attached to the reflection plate 23.

  The reflection plate 23 has a structure in which a rectangular metal plate is bent at several places along the longitudinal direction. The reflection plate 23 is continuous to the substrate support portion 23a that supports the back surface of the substrate 22 in contact with each other, the inclined portion 23b that is inclined obliquely downward from both ends along the longitudinal direction of the substrate support portion 23a, and the outside of the inclined portion 23b. The cylindrical peripheral wall portion 23c is provided. The board | substrate 22 is attached to the board | substrate support part 23a of the reflecting plate 23 through the adhesive agent etc. with high heat conductivity. The surface to which the substrate 22 of the reflecting plate 23 is attached is painted white.

  The light projecting cover 24 is disposed below the reflecting plate 23 so as to face the surface 22a of the substrate 22 in parallel. The floodlight cover 24 is made of a glass material. The light projecting cover 24 may be made of a light diffusing member such as a transparent or white resin, an acrylic material, or the like. The light projecting cover 24 scatters and transmits the light emitted from the plurality of LED light sources 21, scatters and transmits the light reflected by the reflecting plate 23, and emits diffused light having a wide light distribution.

  The cover frame 25 has a rectangular frame structure that holds the periphery of the light projecting cover 24. The cover frame 25 is sandwiched so as to press the peripheral edge of the light projecting cover 24 against the reflection plate 23. A cylindrical peripheral wall portion 25 a at the peripheral edge portion of the cover frame 25 is disposed on the outer side of the peripheral wall portion 23 c of the reflection plate 23, and is fastened and fixed to the reflection plate 23 with a plurality of screws 26. Rectangular frame-shaped packings 27a and 27b are provided between the light projecting cover 24 and the reflecting plate 23 and between the light projecting cover 24 and the cover frame 25, respectively. When the light projecting cover 24 is made of acrylic, the packings 27a and 27b are not necessary.

  A connector 3 is provided between the instrument body 2 and the lamp 4. The connector 3 electrically connects a lighting circuit (not shown) on the fixture body 2 side to the board 22 on the lamp 4 side.

  When attaching the lamp 4 to the instrument body 2, first, as shown by an arrow T <b> 1 in FIG. 1, the hooking claw 28 provided on the peripheral wall 23 c of the reflector 23 is inserted into the insertion hole 12 on the chassis 11 side of the instrument body 2. The lamp 4 is temporarily fixed to the instrument body 2.

  In this state, the connector 3 is connected to electrically connect the lighting circuit to the substrate 22.

  Then, a knurled screw fixing bracket 29 provided on the side opposite to the hooking claw 28 of the reflector 23 of the lamp 4 is inserted into the cutout hole 13 of the chassis 11 on the side of the instrument body 2. Thereafter, the knurled screw 15 is inserted from the side of the chassis 11 and screwed into a knurled screw fixing bracket 29 provided on the edge of the reflecting plate 23. The knurled screw 15 is a screw that can be attached manually.

Hereinafter, the connection structure of the chassis 11A and 11B will be described.
In order to attach a plurality of lighting fixtures 10 to the fixture mounting surface S, as shown in FIG. 2, a suspension bolt 31 projects from the fixture mounting surface S vertically downward. The suspension bolt 31 is fixed to an angle (not shown) disposed above the instrument mounting surface member 40, penetrates the instrument mounting surface member 40, and projects vertically downward from the instrument mounting surface S.

  When the plurality of lighting fixtures 10 are connected in the longitudinal direction, the suspension bolt 31 is disposed at a position where the ends of the adjacent chassis 11 overlap. Therefore, for example, when 10 lighting fixtures 10 are connected and attached to the fixture mounting surface S, 11 suspension bolts 31 are provided in a straight line on the fixture mounting surface S at a pitch equal to the length of the lighting fixture 10.

  When a plurality of lighting fixtures 10 are connected in the longitudinal direction and attached to the fixture mounting surface S using the plurality of suspension bolts 31, first, as shown in FIG. Make contact with each other. Since the end surface of each chassis 11 is orthogonal to the longitudinal direction, the abutting surface 30 where the end surfaces are in contact with each other is a surface orthogonal to the longitudinal direction.

  Then, the connection fitting 32 (connection tool) is inserted into the chassis 11 through the opening 11 a of the chassis 11 and fastened to the suspension bolt 31. At this time, the suspension bolt 31 and the nut 33 function as a fixture for fixing the connection fitting 32 to the instrument mounting surface S.

  An insertion hole 34 for inserting the suspension bolt 31 is provided at the end of each chassis 11. The suspension bolt 31 is inserted into the chassis 11 at the position of the abutting surface 30 of the chassis 11. For this reason, the insertion hole 34 is formed by connecting a semi-ellipse cutout 34a provided on the end face of the first chassis 11A and a semi-oval cutout 34b provided on the end face of the second chassis 11B. It is. Thus, the attachment position along the longitudinal direction of each lighting fixture 10 can be finely adjusted by making the insertion hole 34 of the suspension bolt 31 into an oval shape.

  Two positioning holes 35 a and 35 b are provided through the chassis 11 on both sides in the longitudinal direction with the insertion hole 34 interposed therebetween. The positioning hole 35a on the chassis 11A side is provided at a position spaced inward from the abutting surface 30 of the notch 34a. The positioning hole 35b on the chassis 11B side is provided at a position spaced inward from the abutting surface 30 of the notch 34b. Each positioning hole 35a, 35b is a slit-like hole that is inserted through and accepts convex pieces 37a, 37b described later with almost no play.

  The connection fitting 32 has a structure in which one metal plate is processed and bent. The connection fitting 32 has a rectangular plate-like portion 32a having a mounting hole 36 for inserting the suspension bolt 31 in the center. The attachment hole 36 is a circular hole through which the suspension bolt 31 is inserted with almost no play.

  Two convex pieces 37a and 37b are provided at both end edges in the longitudinal direction of the plate-like portion 32a. The two convex pieces 37a and 37b are bent at substantially right angles toward the positioning holes 35a and 35b of the chassis 11A and 11B, respectively, and are inserted into the positioning holes 35a and 35b.

  By inserting the convex piece 37a of the connecting metal fitting 32 into the positioning hole 35a of the chassis 11A and inserting the convex piece 37b of the connecting metal fitting 32 into the positioning hole 35b of the chassis 11B, the two chassis 11A that are in contact with each other at the abutment surface 30 are inserted. , 11B can be positioned and fixed in a straight state.

  The two convex pieces 37a and 37b have a length that slightly protrudes from the rear surface side of the chassis 11 in a state where the two convex pieces 37a and 37b are attached to the chassis 11A and 11B and fastened and fixed to the instrument mounting surface S. A plurality of dowels 11 c project from the appliance mounting surface S side (back side) of the chassis 11. The plurality of dowels 11 c function as spacers between the instrument mounting surface S and the chassis 11. That is, the height of the dowel 11c (the length from the back side of the chassis 11 to the top of the dowel 11c) is higher than the length of the convex pieces 37a, 37b protruding to the back side of the chassis 11, and the fixture mounting surface S and the chassis. 11 is a space for projecting the tips of the two convex pieces 37a and 37b.

  Two ribs 38 that are bent substantially at a right angle toward the chassis 11 are provided at both ends along the longitudinal direction of the plate-like portion 32a. These two ribs 38 are pressed against the inner surface of the chassis 11 in a state in which the connecting fitting 32 is attached to the connecting portion of the chassis 11A, 11B and fastened to the instrument mounting surface S. For this reason, even if it is a case where there is an unevenness | corrugation in the instrument attachment surface S facing the connection part, two chassis 11A and 11B can be connected straightly.

  According to the illuminating device 100 of one embodiment described above, since the end surfaces of the adjacent chassis 11A and 11B are in contact with each other and arranged in a straight line, they are connected via the connecting metal fitting 32. The lighting fixture 10 can be connected in a straight state. In particular, according to the present embodiment, the projecting pieces 37a and 37b of the connecting metal fitting 32 are inserted through the positioning holes 35a and 35b of the chassis 11A and 11B, respectively, so that the ends of the two adjacent chassis 11A and 11B are positioned with each other. Can be fixed. At this time, since there is almost no play between the positioning holes 35a and 35b and the convex pieces 37a and 37b, there is almost no backlash, and the adjacent chassis 11 can be connected straightly, improving the design. it can.

  Further, according to the present embodiment, since the semi-ellipse cutouts 34a and 34b are provided at the ends of the chassis 11A and 11B facing each other, the chassis 11 is suspended when the connecting portion of the chassis 11 is attached to the suspension bolt 31. The bolt 31 can be attached from the lateral direction, the attachment work can be facilitated, the work load can be reduced, the safety of the work can be increased, and the work time can be shortened.

  Furthermore, according to the present embodiment, since the two ribs 38 are provided on the connection fitting 32, when the chassis 11 is fastened and fixed to the instrument mounting surface S using the connection fitting 32, the two ribs 38 are attached to the inner surface of the chassis 11. The adjacent chassis 11 can be aligned straight.

  The above-described embodiments are presented as examples and are not intended to limit the scope of the invention. The above-described embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. The above-described embodiments and modifications thereof are included in the invention described in the claims and equivalents thereof as well as included in the scope and spirit of the invention.

  2 ... Appliance body, 3 ... Connector, 4 ... Lamp, 10 ... Lighting fixture, 11, 11A, 11B ... Chassis, 11c ... Dowel, 21 ... LED light source, 22 ... Substrate, 23 ... Reflector, 24 ... Floodlight cover, 25 ... Cover frame, 30 ... Abutting surface, 31 ... Suspension bolt, 32 ... Connecting bracket, 32a ... Plate-shaped part, 33 ... Nut, 34 ... Insertion hole, 34a, 34b ... Notch, 35a, 35b ... Positioning hole, 36 ... mounting hole, 37a, 37b ... convex piece, 38 ... rib, 40 ... fixture mounting surface material, 100 ... lighting device, S ... fixture mounting surface.

Claims (5)

A lighting device in which a plurality of lighting fixtures are connected in the longitudinal direction and attached to the fixture mounting surface,
The first end face perpendicular to the longitudinal direction of the first lighting fixture and the second lighting fixture so as to arrange the first lighting fixture and the second lighting fixture straight in the longitudinal direction. A connector that connects the second end surface perpendicular to the longitudinal direction in abutment state;
A fixture for fixing the lighting device by fixing the coupler to the fixture mounting surface;
A lighting device. The connector is
A first convex piece inserted through a first positioning hole provided in a first chassis having the first end face of the first lighting fixture;
A second convex piece inserted through a second positioning hole provided in a second chassis having the second end face of the second lighting fixture;
A mounting hole for passing a bolt suspended from the fixture mounting surface;
The lighting device according to claim 1, comprising: The connector is
A plate-like portion having the mounting hole in the center and having the first convex piece and the second convex piece at both ends in the longitudinal direction;
Two ribs provided on both sides of the plate-like portion along the longitudinal direction;
The lighting device according to claim 2, further comprising: The first lighting fixture has a first notch formed in the first end surface,
The second lighting fixture has a second notch formed in the second end surface,
The first and second notches form an insertion hole in a state where the first end surface and the second end surface are abutted against each other,
The bolt is inserted through the insertion hole and the mounting hole.
The lighting device according to claim 2.   The first and second lighting fixtures have a plurality of dowels projecting on the fixture mounting surface side, and the height of the dowels is inserted into the first and second positioning holes. The lighting device according to claim 2, wherein the lighting device is longer than a protruding length of the first and second convex pieces.