JP4039084B2 - Lighting device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an illuminating device suitably used for, for example, a train interior light.
[0002]
[Prior art]
Some illuminating devices used for train interior lights and the like include a plurality of luminaires arranged in a line in the longitudinal direction. The lighting fixture used in this lighting device includes a fixture main body, a lighting device, a lamp socket, a straight tube fluorescent lamp, a light control body, and the like.
[0003]
The instrument body is formed in a long and narrow box shape with an open bottom. As the lighting device, a discharge lamp lighting device called an electronic ballast is used, and the lighting device is attached to the fixture body. The lamp sockets are attached to both ends of the instrument body in the longitudinal direction, and a fluorescent lamp is detachably supported between the lamp sockets. This fluorescent lamp is turned on by a lighting device.
[0004]
The light control body is provided with a glove as a light control element supported by the frame body and the frame body arranged so as to surround the periphery of the instrument body.
[0005]
The frame includes a pair of first frame members that are substantially parallel to each other that extend in the longitudinal direction of the instrument body, and a second frame member that extends in the width direction of the instrument body and bridges between both ends of the pair of first frame members. It has. Support edges that are bent inward are formed at the lower ends of both sides extending in the longitudinal direction of the first frame member. Both longitudinal ends of the first frame member are open.
[0006]
The glove is formed in a shape that is about the same length as the first frame member and covers the instrument main body from below, and both side edges extending in the longitudinal direction project outward. The globe is supported by the frame body by inserting it in the longitudinal direction between the pair of first frame members while hooking the side edge portions of the globe on the support edges of the pair of first frame members.
[0007]
This light control body is attached to the instrument body so as to be openable and closable so that maintenance such as replacement of a fluorescent lamp can be easily performed.
[0008]
[Problems to be solved by the invention]
However, as described above, since the glove only has the side edge of the glove hooked on the support edge of the pair of first frame members, the glove is subjected to vibration or the like accompanying traveling of a train or the like. Can slide on the support edge of the first frame member. Therefore, there is a possibility that the end of the slid glove may enter the adjacent lighting device (on the support edge of the first frame member). Thus, if a glove enters an adjacent lighting fixture, there is an inconvenience that the light control body does not open during maintenance.
[0009]
The problem to be solved by the present invention is that the light control element can prevent the light control element from entering the adjacent lighting apparatus, and the cover part of the blindfold member used for that purpose can be arranged near the center part of the adjacent lighting apparatus To get the device.
[0010]
[Means for Solving the Problems]
The lighting device of the invention according to claim 1 has a plurality of lighting fixtures provided with end plates at both longitudinal ends, and connects the end plates of the adjacent lighting fixtures so that the plurality of lighting fixtures are A lighting device arranged in a line in a longitudinal direction , wherein the lighting fixture includes an appliance main body having the end plate and an opening on the lower side, a lower portion of the fixture main body, and a support portion. And a pair of frame members whose both ends in the longitudinal direction are open, and a light control body having a light control element supported over the support portions of these frame materials, and disposed adjacent to each other. A blindfold member that prevents light leakage between the light control elements of the lighting fixture is connected to the end plate so as to cover the gap between the light control elements from above, and the blind cover member is disposed to cover the gap from above. A cover part, and an upwardly projecting projection on the cover. And forming fixation portion, downward projecting from the said cover portion, a possible contact with longitudinal end faces of said system optical elements to restrict the longitudinal movement of the system optical element relative to the frame member A stopper is provided, and the fixing portion is disposed at one end side in the width direction from the center in the width direction of the cover portion with a thickness separation of the two end plates .
[0011]
In this invention, the blindfold member preferably has light diffusibility, and can be formed of, for example, milky white acrylic resin. Moreover, in this invention, you may form a stopper and a blindfold member integrally.
[0012]
In the lighting device according to the first aspect of the present invention, since the movement of the light control element in the longitudinal direction with respect to the frame material is restricted by the stopper provided in the blind member that prevents light leakage between the light control elements of the lighting fixture, It can prevent entering into adjacent lighting equipment. Furthermore, the lighting device according to the first aspect of the present invention is configured such that the thickness of the end plates of the two instrument main bodies is separated by one thickness side of the cover in the width direction from the center in the width direction of the cover portion of the cover member. Since the fixing portion is disposed, the cover portion of the blindfold member can be disposed near the central portion of the lighting fixtures adjacent to each other.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, a first embodiment of the present invention that is suitably used as a train interior light will be described with reference to FIGS.
[0018]
As shown in FIG. 1, the lighting device A includes a plurality of lighting fixtures B arranged in a straight line so as to extend in the longitudinal direction of the train on the ceiling D of the train, which is a fixture installation unit. It is what you have. In this arrangement, a connecting part E of the lighting fixtures B arranged adjacent to each other is provided with a blindfold member C sandwiched between the lighting fixtures B. A lighting device A is configured by including a plurality of lighting fixtures B and a blindfold member C arranged in a row.
[0019]
In FIG. 5, denoted for ease of identification, reference numerals B ₁ to the reference and made for example left _luminaire, a sign B ₂ luminaires to be adjacent to one longitudinal end of the luminaire B ₁ Show.
[0020]
As shown in FIGS. 2 and 3, the lighting fixture B includes a fixture body 10, a lighting device 13, a lamp socket 14, a straight fluorescent lamp 15 as a light source, a light control body 20, and the like.
[0021]
The instrument main body 10 having a length of about 1 to 3 m includes a central wall portion 10a, a slanted wall portion 10b, a horizontal extending wall portion 10c, a bent edge portion 10d, and an end plate 11. The pair of oblique wall portions 10b are inclined in opposite directions and are provided in a square shape (see FIG. 3), and the substantially parallel central wall portion 10a and the pair of horizontal extending wall portions 10c are integrated. Connected. The pair of bent edge portions 10d are provided by being bent substantially vertically downward with respect to the horizontal extending wall portion 10c. The pair of end plates 11 are arranged in a C shape along the edges of the longitudinal ends of the instrument body 10. Through holes 11 b and 11 c are formed on the upper and lower sides of the end plate 11. In addition, 11a in FIG. 5 shows the bending piece formed by bending the edge of the end plate 11 substantially perpendicularly, and this is fixed to the slanting wall part 10b.
[0022]
The instrument body 10 is made of a color steel plate or the like, and its inner surface is a reflective surface. Furthermore, the instrument body 10 includes a stabilization box 12. This box is fixed to the upper surface of the central portion in the longitudinal direction of the central wall portion 10a, and a discharge lamp ballast constituting the lighting device 13 is accommodated therein. The instrument body 10 is inclined so as to connect the horizontal overhanging wall portion 10c and the stabilization box 12 and has a pair of inclined wall portions 10b used as reflecting surfaces, so that the wall at the same position Compared with the case where the portion stands vertically, the downward reflection effect is improved, and accordingly, the illuminance decrease due to the fact that the lighting fixture B includes the globe 26 described later can be reduced.
[0023]
The instrument body 10 is embedded in which the pair of horizontal projecting wall portions 10c are brought into contact with the ceiling D of the train, and the oblique wall portion 10b, the central wall portion 10a, and the stable box device 12 are opened in the ceiling D. It is inserted into a hole (not shown) and installed on the ceiling D. This installation is performed, for example, by screwing a mounting screw (not shown) that passes through the horizontal projecting wall portion 10c upward into the ceiling D.
[0024]
A socket mounting portion (not shown) is provided at both ends of the instrument body 10 in the longitudinal direction and below the central wall portion 10a, and two pairs of lamp sockets 14 are mounted downward. It has been. Two fluorescent lamps 15 are detachably supported between the two pairs of lamp sockets 14.
[0025]
The light control body 20 includes a frame body 21 that surrounds the periphery of the instrument body 10 and is disposed below the instrument body 10, and a globe 26 that serves as a light control element supported by the frame body 21. Yes.
[0026]
As shown in FIG. 3 and the like, the frame body 21 includes a pair of first frame members 22 extending in the longitudinal direction of the instrument body 10 and a pair of first frames 22 extending in the width direction of the instrument body 10. A pair of substantially parallel second frame members 23 connecting both ends of the material 22 are provided. Each of the frame members 22 and 23 is formed of, for example, an extruded material of an aluminum alloy.
[0027]
The first frame member 22 has, for example, a support edge 22a bent inward as a support part for supporting the globe 26, and an inward protruding part 22b located in the vicinity of the upper side is integrally formed. Have. The inward protruding portion 22b has a packing holding portion 22c which is bent in an obliquely upward direction after being protruded in a horizontal shape so as to face the support edge 22a, and further bent inward from the bent portion. Yes. Although not shown, a pair of screw holes are formed at both ends in the longitudinal direction of the inward projecting portion 22b. Both longitudinal ends of the first frame member 22 are open. Therefore, the first frame members of the adjacent lighting fixtures B ₁ and B ₂ are adjacent to each other as shown in FIG.
[0028]
The second frame member 23 includes a flat portion 23a and a pair of inclined portions 23b. The flat portion 23a and the inclined portion 23b have bent pieces (not shown) that are substantially parallel to each other at both ends, and are formed in a substantially U-shaped cross section that opens downward. The pair of inclined portions 23b are fixed in a C-shape (see FIG. 3) by inclining in opposite directions on both sides of the flat portion 23a.
[0029]
The second frame member 23 is provided with a connecting piece (not shown) below the inclined portion 23b. The connecting piece is provided so as to overlap the lower surface of the inward protruding portion 22b of the first frame member 22, and the first frame member 22 and the second frame member 23 are screw holes (see FIG. (Not shown) is inserted from above and is connected via a screw that is screwed into a connecting piece and tightened. By this connection, the first frame member 22 and the second frame member 23 are framed to form the frame body 21.
[0030]
In FIG. 3, reference numeral 25 denotes an insect-proof packing made of foamed urethane or the like. The insect-proof packing 25 is bonded to the upper wall of the packing holding portion 22 c of the first frame member 22 and is bonded to the inner wall of the end plate 11 of the instrument body 10. When the instrument main body 10 is closed with the light control body 20, the end face of the insect repellent packing 25 provided on the first frame member 22 comes into contact with the end face of the insect repellent packing 25 provided on the end plate 11. Insects can be prevented.
[0031]
The globe 26 is integrally formed of a synthetic resin having light diffusibility such as milky white acrylic resin. The globe 26 is formed in a shape that covers the instrument body 10 from below, and both side edges 26a extending in the longitudinal direction project outward. The glove 26 is supported by the frame body 21 by hooking these side edge portions 26 a on the support edges 22 a of the pair of first frame members 22. The first frame member 22 and the globe 26 are formed shorter than the length of the instrument main body 10 in consideration of longitudinal expansion and contraction due to temperature changes.
[0032]
The glove 26 is attached to the frame body 21 in a state where one second frame member 23 is connected as described above across one end of the pair of first frame members 22. While the side edge 26a of the globe 26 is hooked on 22a, the globe 26 is inserted from the other end of the pair of first frame members 22 toward the one second frame member 23, and the other second frame member is inserted. 23 is performed by connecting the other end portions of the pair of first frame members 22 as described above.
[0033]
The light control body 20 is attached to the instrument main body 10 with an insertion / extraction hinge 27 that connects them at one side edge, and a latch mechanism 28 that holds the light control body 20 closed with respect to the instrument main body 10 at the other side edge. It is done using.
[0034]
The insertion / removal hinge 27 includes a first hinge element (not shown) having a pin, and a second hinge element (not shown) having a cylindrical portion into which the pin is removably fitted. By moving the light control body 20 in the longitudinal direction with the light control body 20 opened, the light control body 20 is attached to and detached from the instrument body 10 with the insertion and removal of the cylindrical portion with respect to the pin.
[0035]
The latch mechanism 28 includes a latch engaging portion provided in the instrument main body 10 and a latch (both not shown) that is fixed to the frame body 21 and can be pushed in from the outside of the frame body 21. In a state where the pin and the cylindrical portion are fitted, by turning the light control body 20 so as to be close to the instrument main body 10 using these as fulcrums, the latch is hooked on the latch engagement portion, and the light control body 20 is moved. Can be supported in a closed state.
[0036]
The blindfold member C prevents light leakage between the globes 26 of the lighting fixtures B ₁ and B ₂ disposed adjacent to each other, and as shown in FIGS. 3 and 4A and 4B, A fixing part 30, a cover part 31, a stopper 32 and the like are provided.
[0037]
The fixing portion 30 is formed in an elongated plate shape having a length that is loosely fitted between the pair of bending edge portions 10d of the instrument main body 10, and through holes 30a are provided on both sides thereof.
[0038]
The cover portion 31 is made of a synthetic resin (for example, milky white acrylic resin) having light diffusibility, and both side portions are bent upward so as to cover a part of the pair of bending edge portions 10d of the instrument body 10 from the outside. The side edge portion 31a is formed. The cover portion 31 is disposed below the fixed portion 30 and substantially parallel to the horizontal extending wall portion 10c of the instrument body 10. The cover portion 31 is connected to the fixed portion 30 via a connecting member 33. (See Fig. 4 (B))
The stopper 32 restricts the movement of the globe 26 in the longitudinal direction so that the globe 26 does not protrude outward from the end of the instrument body 10. The stopper 32 has the same length as the fixed portion 30 and a width that the lower end protrudes below the upper end of the globe 26 when the blindfold member C is attached to the connecting portion E of the lighting fixture B. It has an elongated plate shape. The stopper 32 is disposed substantially in parallel with the fixed portion 30 at the lower center portion of the cover portion 31. The stopper 32 is connected to the cover portion 31 via a connecting member 34. (See Fig. 4 (B))
The blindfold member C is disposed so as to cover the gap 37 formed between the globes 26 of the lighting fixtures B ₁ and B ₂ adjacent to each other from above, and the through hole 11c of the end plate 11 of the fixture main body 10 of the lighting fixture B ₁ , the lighting fixture. hole 11c of the end plate 11 of the fixture body 10 of the B _2, is a through hole 30a of the fixing portion connected via bolts 35 and nuts 36 are tightened to each inserted in this order (see FIGS. 3 and 5) . Furthermore, the lighting fixtures B ₁ and B ₂ adjacent to each other are connected via bolts and nuts (both not shown) that are inserted through the through holes 11b of the end plate 11 of the fixture body 10 and tightened. In this way, the lighting device A is formed by connecting a plurality of lighting fixtures B.
[0039]
In addition, in the state where the blindfold member C is disposed between the lighting fixtures B ₁ and B ₂ adjacent to each other, the cover portion 31 is preferably disposed near the center of the lighting fixtures B ₁ and B ₂ adjacent to each other. Therefore, in the process of forming the blindfold member C, when the fixing portion 30 and the cover portion 31 are connected, the fixing portion 30 is closer to one end side than the center portion of the cover portion 31 by the thickness of the two end plates 11. It is good to connect at an unbalanced place. (See Fig. 4 (B))
In this illuminating device A, as shown in FIG. 5, with the vibration of the train, the globe 26 extends along the longitudinal direction of the support edge 22 a of the first frame member 22 like the luminaire B <b> ₂ shown in FIG. 5. Can be moved. And when it slides to the right side in FIG. 5 or the glove | globe 26 shrinks to a longitudinal direction, the clearance gap 37 will arise largely in the lower end part of the instrument main body 10. FIG. However, since the connecting portion covering portion 31 of the blind member C to E is provided covering the gap 37 from above, regardless of the motion of the glove 26, through the gap 37, for example, the instrument main body 10 of the luminaire B ₂ Can never be seen.
[0040]
Moreover, in this illuminating device A, the globe 26 can slide along the support edge 22a of the first frame member 22 as described above. Further, the globe 26 extends in the longitudinal direction. However, since the stopper 32 provided in the blind member C, for example, as a luminaire B ₁ shown in FIG. 5, even moving shift glove 26, the end portion against the stopper 32, it earlier than in the longitudinal direction Movement is regulated. Thus, the glove 26 of the luminaire B ₁ is can be prevented from entering the lighting fixture B ₂ adjacent. Therefore, it is possible to perform without a hitch opening and closing of Seihikaritai 20, there is no risk of damaging the glove 26 of the luminaire B ₁ at that time.
[0041]
As described above, according to the lighting device A, the glove 26 is arranged so that the glove 26 does not protrude outward from the end of the fixture body 10 at the connecting portion E of the lighting fixture B arranged adjacent to each other. Since the stopper 32 that can abut on the end face in the longitudinal direction and restricts the movement of the globe 26 in the longitudinal direction is provided, the illumination device A that can prevent the globe 26 from entering the adjacent lighting fixture B is provided. Obtainable.
[0042]
In this illumination device A, the stopper 32 is formed integrally with the blindfold member C. However, the stopper 32 may be formed separately from the blindfold member C.
[0050]
【The invention's effect】
According to the first aspect of the present invention, it is possible to provide an illuminating device that can prevent the light control element from entering the adjacent luminaire, and moreover than the center in the width direction of the cover portion that the blindfold member has. Since the fixing part of the blindfold member is disposed on one end side in the width direction with the thickness separation of the end plates of the two instrument bodies, the cover part of the blindfold member can be arranged near the central part of the lighting equipment adjacent to each other.
[Brief description of the drawings]
FIG. 1 is a diagram showing an example in which a lighting device according to a first embodiment of the present invention is arranged on a ceiling of a train.
FIG. 2 is a perspective view showing the entire lighting fixture provided in the lighting device of FIG. 1;
FIG. 3 is a front view showing the lighting apparatus provided in the lighting device of FIG.
4A is a front view showing a blindfold member provided in the illumination device of FIG. 1. FIG. FIG. 4B is a side view of the blindfold member of FIG.
5 is a cross-sectional view showing a connecting portion of a lighting fixture provided in the lighting device of FIG. 1. FIG.
[Explanation of symbols]
A: Lighting device, B, B ₁ , B ₂ ... Lighting fixture, C ... Blindfold member, E ... Connecting part, 10 ... Appliance main body, 11 ... End plate, 20 ... Light control body, 21 ... Frame body, 22 ... No. 1 frame material, 22a ... support part (support edge) 26 ... light control element (glove), 30 ... fixing part, 31 ... cover part, 32 ... stopper, 37 ... gap

Claims (1)

A plurality of lighting fixtures having end plates at both ends in the longitudinal direction, the end plates of the adjacent lighting fixtures connected to each other, and the plurality of lighting fixtures arranged in a row in the longitudinal direction A device,
The lighting fixture includes a fixture main body having the end plate and an opening on the lower side, a pair of frame members that are disposed on the lower side of the fixture main body, have a support portion, and are open at both ends in the longitudinal direction. And a light control body having a light control element supported across the support portion of the frame material,
A blindfold member that prevents light leakage between the light control elements of the lighting fixture disposed adjacent to each other, and covers the gap between the light control elements from above, and is connected to the end plate,
The blindfold member is a cover portion arranged to cover the gap from above, a fixing portion projecting upward on the cover portion and connected to the end plate, and projecting downward on the cover portion, A stopper capable of contacting the longitudinal end surface of the light control element and restricting the movement of the light control element in the longitudinal direction relative to the frame member; and the width direction from the center in the width direction of the cover portion An illuminating device characterized in that the fixing portion is disposed on one end side of each of the two end plates so as to be separated by a thickness .

Images