Lighting device and lighting device installation structure

Abstract

To provide a luminaire which hardly gives an oppressive feeling or a narrow feeling of a room, and to provide an installation structure of luminaire.SOLUTION: A luminaire is used by being arranged outside of a beam X or a column of a building, and the luminaire includes: a frame body 10 arranged outside of the beam or the column so as to be along the surface of the beam X or the column; a light source 20 provided at the frame body 10; and a light guide body 30 provided at the frame body 10 so as to be positioned at the front side in the emission direction of the light source 20. A luminaire installation structure is the installation structure which is used being arranged outside of the beam X or the column of the building, and the frame body 10 of the luminaire is arranged outside of the beam X or the column so as to be along the surface of the beam X or the column, and the frame body 10 is fixed to the periphery of the beam X or the column.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a lighting device that is disposed on the outside of a beam or pillar of a building and used, and to an installation structure for the lighting device. [Background technology]

[0002] Structural components such as beams and pillars are used in buildings, including homes. Beams and pillars often protrude into the interior of the room, which can create a feeling of oppression for those inside and make the room feel smaller.

[0003] Indirect lighting fixtures are sometimes installed on beams to eliminate the feeling of oppression and make a room appear larger. One example of an indirect lighting fixture that is installed on a beam is an indirect lighting fixture that the present applicant previously filed (Patent Document 1). [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Publication No. 2018-063885 Summary of the Invention [Problem to be solved by the invention]

[0005] By installing indirect lighting on beams, depth is added to the ceiling and walls, making the room appear larger. However, the support base that holds the light source in conventional indirect lighting protrudes from the beams by about 100mm to 300mm toward the interior of the room, which can still create a feeling of oppression or smallness in the room, and there is room for improvement in this regard.

[0006] The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a lighting device and an installation structure for the lighting device that do not cause a feeling of oppression or narrowness in a room. [Means for solving the problem]

[0007] [Lighting equipment] The lighting device of the present invention is a lighting device that is placed and used on the outside of a beam or pillar of a building, and includes a frame body that is placed on the outside of the beam or pillar so as to follow the surface of the beam or pillar, a light source provided in the frame body, and a light guide plate that is provided in the frame body so as to be positioned ahead of the light source in the emission direction.

[0008] [Lighting device installation structure] The lighting device installation structure of the present invention is an installation structure for a lighting device that is placed and used on the outside of a beam or pillar of a building, in which the frame body of the lighting device is placed on the outside of the beam or pillar so as to follow the surface of the beam or pillar, and the frame body is fixed around the periphery of the beam or pillar. [Effects of the Invention]

[0009] The lighting device of the present invention has a frame body that is placed on the outside of the beam or pillar so as to fit along the surface of the beam or pillar, and does not have a structure equivalent to a conventional support base that protrudes toward the inside of the room, so people in the room are less likely to feel oppressive or cramped. The lighting device installation structure of the present invention has the same effect. [Brief explanation of the drawings]

[0010] [Figure 1] FIG. 1 is a perspective view showing an example of an illumination device of the present invention. [Figure 2] FIG. 2 is an exploded view of the lighting device shown in FIG. 1. [Figure 3] 2(a) to 2(c) are explanatory diagrams of the installation procedure for the lighting device shown in FIG. 1. [Figure 4] FIG. 10 is a cross-sectional view of the lighting device of the present invention attached to a beam. DETAILED DESCRIPTION OF THE INVENTION

[0011] (Embodiment) An example of an embodiment of a lighting device and its installation structure of the present invention will be described with reference to the drawings. Here, the lighting device will be described as being attached to a beam X that protrudes into the room from between the ceiling and the wall surface.

[0012] As an example, the lighting device shown in Figures 1 and 2 includes a frame body 10 arranged outside the beam X so as to follow the surface of the beam X, a light source 20 provided in the frame body 10, a light guide plate 30 provided ahead of the light source 20 in the emission direction, and a fixing member 40 that fixes the frame body 10 to the ceiling or wall surface around the beam X.

[0013] The frame 10 includes a bottom surrounding frame 11 that covers the bottom side of the beam X, and a front surrounding frame 12 that covers the front side of the beam X. The bottom surrounding frame 11 and the front surrounding frame 12 are configured to be L-shaped in cross section, and a light source 20 and a light guide plate 30 are attached to the bottom surrounding frame 11 and the front surrounding frame 12, respectively. The frame 10 can be made of aluminum, stainless steel, or other materials in addition to iron.

[0014] 2, the bottom enclosure 11 of this embodiment includes two bottom horizontal frames (hereinafter, one bottom horizontal frame is referred to as the "first bottom horizontal frame 11a" and the other bottom horizontal frame is referred to as the "second bottom horizontal frame 11b") and a bottom rear frame 11c. The bottom rear frame 11c is connected between the rear ends of both bottom horizontal frames 11a and 11b so that the bottom enclosure 11 has a U-shape in plan view.

[0015] Openings are formed inside the bottom first horizontal frame 11a, the bottom second horizontal frame 11b, the bottom rear frame 11c, and the front lower frame 12d, which will be described later. Light is emitted from the light emitting surface of the light guide plate 30 (hereinafter referred to as the "bottom side light guide plate 30a"), which will be described later. (irradiation surface, illumination surface) is exposed.

[0016] Between the rear bottom frame 11c and the lower front frame 12d (described later) near the center in the longitudinal direction, two bottom reinforcing frames 11d are provided at a distance from each other and parallel to the horizontal bottom frames 11a and 11b. The number and installation positions of the bottom reinforcing frames 11d may be different.

[0017] In this embodiment, a first upper flange 11e protrudes outward from the upper edge of the bottom first horizontal frame 11a, a second upper flange 11f protrudes outward from the upper edge of the bottom second horizontal frame 11b, and a third upper flange 11g protrudes outward from the upper edge of the bottom rear frame 11c.

[0018] The first upper flange 11e and the second upper flange 11f are parts that are inserted into the side slits (support portions) 42b formed in the side fixing members 42 described later, and the third upper flange 11g is part that is inserted into the rear slits (support portions) X4 (Figure 4) formed in the beam lower wall surface X3 described later.

[0019] A first lower flange 11h (hidden by the first bottom horizontal frame 11a in FIG. 2) protrudes inward from the lower edge of the first bottom horizontal frame 11a, a second lower flange 11i protrudes inward from the lower edge of the second bottom horizontal frame 11b, and a third lower flange 11j protrudes inward from the lower edge of the inner bottom frame 11c. The first lower flange 11h, the second lower flange 11i, the third lower flange 11j, and a fourth lower flange 11k (described later) are portions that support a light source 20 (hereinafter referred to as a "bottom-side light source 20a") and a bottom-side light guide plate 30a (described later).

[0020] The front enclosure frame 12 comprises an upper front frame 12a, two front horizontal frames protruding downward from both ends of the upper front frame 12a (hereinafter, one front horizontal frame will be referred to as the "first front horizontal frame 12b" and the other front horizontal frame will be referred to as the "second front horizontal frame 12c"), and a lower front frame 12d provided between the ends of the two front horizontal frames 12b and 12c.

[0021] The front lower frame 12d also serves as the bottom front frame of the bottom surrounding frame 11. A fourth lower flange 11k that protrudes rearward is provided on the lower edge of the front lower frame 12d. This fourth lower flange 11k, together with the first lower flange 11h, the second lower flange 11i, and the third lower flange 11j, supports the bottom-side light source 20a and the bottom-side light guide plate 30a, which will be described later.

[0022] Openings are formed inside the upper front frame 12a, the first front horizontal frame 12b, the second front horizontal frame 12c, and the lower front frame 12d, and light is emitted from the light emitting surface of a light guide plate 30 (hereinafter referred to as "front side light guide plate 30b"), which will be described later. (irradiation surface, illumination surface) is exposed.

[0023] Two front reinforcing frames 12e are provided at a distance between the upper front frame 12a and the lower front frame 12d and near the center in the longitudinal direction of the frames, and are parallel to the front horizontal frames 12b and 12c. The number and installation positions of the front reinforcing frames 12e may be different from those described above.

[0024] On the rear surfaces of both front horizontal frames 12b, 12c, two light guide plate support pieces 12f are provided at a distance in the vertical direction to support the light guide plate 30. Both light guide plate support pieces 12f are provided at a distance in the front-rear direction from both front horizontal frames 12b, 12c, and a front-side light guide plate 30b, which will be described later, is arranged in the gap between them.

[0025] As shown in FIG. 4, the bottom surrounding frame 11 is provided with a bottom light source 20a and a bottom light guide plate 30a that diffuses light emitted from the bottom light source 20a to emit light from the surface.

[0026] The bottom-side light guide plate 30a is provided ahead of the bottom-side light source 20a in the light emission direction so that its small end surface faces the bottom-side light source 20a. (irradiation surface, illumination surface) Although not shown, a power supply circuit, a power supply cord, and the like are connected to the bottom light source 20a.

[0027] The bottom-side light source 20a may be, for example, a tape LED in which multiple LED chips are mounted on a flexible substrate, and the bottom-side light guide plate 30a may be, for example, a plate material that can transmit and diffuse light, such as an acrylic plate or a glass plate. Materials other than these may also be used for the bottom-side light source 20a and the bottom-side light guide plate 30a.

[0028] As shown in FIG. 4, the front surrounding frame 12 is provided with a light source 20 (hereinafter referred to as "front side light source 20b") and a front side light guide plate 30b that diffuses the light emitted from the front side light source 20b and emits it onto a surface.

[0029] The front light guide plate 30b is provided ahead of the front light source 20b in the light emission direction so that its small end surface faces the front light source 20b. (irradiation surface, illumination surface) Although not shown, a power supply circuit, a power supply cord, and the like are connected to the front light source 20b.

[0030] Like the bottom-side light source 20a, the front-side light source 20b can be, for example, a tape LED in which multiple LED chips are mounted on a flexible substrate. Similarly to the bottom-side light guide plate 30a, the front-side light guide plate 30b can be made of a plate material that can transmit and diffuse light, such as an acrylic plate or a glass plate. Materials other than these can also be used for the front-side light source 20b and the front-side light guide plate 30b.

[0031] The frame body 10 is installed along the outside of the beam X via the fixing member 40 (so that the frame body 10 and the light guide plate 30 surround the beam X). As an example, the fixing member 40 shown in Figs. 1 and 2 includes a ceiling fixing member (hereinafter referred to as "upper fixing member") 41 fixed to the ceiling X1 on the front side of the beam, and a wall fixing member (hereinafter referred to as "side fixing member") 42 fixed to the side wall X2 of the beam. One side fixing member 42 is provided on each of the longitudinal outer sides of the frame body 10.

[0032] As shown in Fig. 2, the upper fixing member 41 of this embodiment is a horizontally long wooden block. The upper fixing member 41 is provided with screw holes 41a that penetrate in the vertical direction and through which screws are inserted to fix the upper fixing member 41 to the beam front ceiling X1. A plurality of screw holes 41a are provided at intervals in the longitudinal direction of the upper fixing member 41.

[0033] The two side fixing members 42 are wooden blocks that are L-shaped in a side view. Each side fixing member 42 has a screw hole 42a that penetrates in the left-right direction and is used to insert a screw used to fix the side fixing member 42 to the beam-side side wall X2. A plurality of screw holes 42a are provided at intervals in the up-down and front-rear directions of each side fixing member 42. A side slit 42b that fits either the first upper flange 11e or the second upper flange 11f is opened on the inner surface of each side fixing member 42.

[0034] The configuration of the fixing member 40 described here is one example, and other fixing members 40 can also be used to install the lighting device on the beam X. For example, when fixing to a beam X that has a back surface in addition to a front surface and a bottom surface (a beam having three surfaces), the side fixing members 42 can be made into an upward U-shape, and upper fixing members 41 can be provided on both the front surface and the back surface.

[0035] Next, the installation procedure for the lighting device of this embodiment will be described with reference to FIGS. 3(a) to 3(c). (1) Figure 3(a) shows the ceiling X1 in front of the beam, the beam X, the side wall X2 next to the beam, and the wall X3 under the beam before the lighting device is installed. (2) Prepare the upper fixing member 41 and the both side fixing members 42 shown in Fig. 2, and fix the upper fixing member 41 to the front ceiling X1 of the beam, and fix the both side fixing members 42 to the lateral side walls X2 of the beam, as shown in Fig. 3(b). In this embodiment, a horizontally long thin spacer 43 is attached to the beam lower wall X3, and is disposed between the rear bottom frame 11c and the beam lower wall X3. (3) After fixing the fixing member 40 as shown in Figure 3(b), the first upper flange 11e and the second upper flange 11f of the lighting device are placed over the outside of the beam X so that they fit into the side slit 42b and the third upper flange 11g fits into the rear slit X4, and then the front upper frame 12a of the front enclosure frame 12 is fixed to the upper fixing member 41 with screws. (4) After the upper fixing member 41 is fixed, the decorative plate 44 is attached to the outside of the upper front frame 12a, completing the installation of the lighting device. The decorative plate 44 can be attached using adhesive, double-sided tape, or the like.

[0036] The lighting device installed in the above manner has fixing members 40 fixed to the wall or ceiling surrounding the beam X, and by fixing the lighting device to the fixing members 40, the beam X is covered (the beam is hidden by the lighting device).

[0037] Specifically, an upper fixing member 41 is fixed to the front ceiling X1 of the beam, and both side fixing members 42 are fixed to the lateral side walls X2 of the beam, the first upper flange 11e and the second upper flange 11f fit into the side slits 42b formed in the both side fixing members 42, and the third upper flange 11g fits into the rear slit X4 formed in the lower wall surface X3 of the beam, and the front upper frame 12a of the front enclosure frame 12 is fixed to the upper fixing member 41, thereby creating a structure in which the beam X is covered with a lighting device.

[0038] In the lighting device installation structure of this embodiment, unlike conventional indirect lighting devices, the support base that supports the light source 20 does not protrude toward the inside of the room beyond the beam X, which has the effect of making people in the room feel less oppressive or cramped.

[0039] The above-described installation procedure is an example, and the lighting device of the present invention can also be installed using a procedure different from the above-described procedure.

[0040] (Other embodiments) In the above embodiment, an example is given in which a lighting device having an L-shaped cross section is attached to a beam X protruding from the ceiling toward the interior of the room, but the shape of the lighting device of the present invention can also be U-shaped depending on the shape of the beam X.

[0041] In the above embodiment, an illumination device that covers the entire front and bottom surfaces of the beam X is exemplified, but the illumination device of the present invention can also be configured to cover only a part of the beam X (for example, only the bottom surface or only the front surface of the beam X). In this case, the fixing member 40 can also be only the ceiling fixing member 41 that is fixed to the ceiling, or only the wall fixing member 42 that is fixed to the wall surface.

[0042] In the above embodiment, an illumination device is attached to a beam X protruding from the ceiling toward the interior of the room, but the illumination device of the present invention can also be an illumination device that covers a pillar (not shown) in addition to the beam X.

[0043] In the above embodiment, an example is given in which the lighting device is installed via the fixing member 40, but it is also possible to configure the lighting device to be fixed directly to the ceiling or wall surface, for example, by providing a flange or the like on the frame body 10 and fixing the flange to the ceiling or wall surface around the beam X or pillar.

[0044] In the above embodiment, the spacer 43 is attached to the beam lower wall surface X3 as an example, but the spacer 43 can also be used as a fixing member (hereinafter referred to as the "rear fixing member"). For example, the spacer 43 is made thick enough to accommodate the third upper flange 11g, and the spacer 43 is fixed to the beam lower wall surface X3 away from the bottom surface of the beam X. At this time, the third upper flange 11g is placed in the gap formed between the bottom surface of the beam X and the top surface of the spacer 43, so that the spacer 43 can be used as the rear fixing member. In this way, there is no need to form a slit in the beam lower wall surface X3, improving workability.

[0045] Furthermore, when the spacer 43 is thickened and used as a rear-side fixing member as described above, a slit can be formed in the front surface of the spacer 43. In this case, the spacer 43 can be used as a rear-side fixing member by placing the third upper flange 11g on the slit. Note that when a slit is formed in the front surface of the spacer 43, the spacer 43 can be fixed to the beam lower wall surface X3 with its top surface separated from the bottom surface of the beam X, or it can be fixed in contact with the beam lower wall surface X3.

[0046] In the above embodiment, an LED strip is used as the light source 20, and the light guide plate 30 is disposed on the side of the light source in the direction of light emission. However, an LED fluorescent lamp or the like can be used as the light source 20 instead. In this case, a translucent panel through which light from the LED fluorescent lamp leaks can be used instead of the light guide plate 30.

[0047] In the above embodiment, the case where the light emitted from the light source 20 is diffused by the light guide plate 30 is taken as an example, but a light-storing panel may be used instead of the light guide plate 30. In this case, the light source 20 may be left for light storage or may be omitted.

[0048] The lighting devices and their installation structures shown in the above-mentioned embodiments and other embodiments are merely examples, and the lighting devices and lighting device installation structures of the present invention may be omitted, replaced, modified, etc. as appropriate, as long as the gist of the invention is not changed. [Industrial Applicability]

[0049] The lighting device and lighting device installation structure of the present invention can be used as a lighting device and lighting device installation structure to be attached to beams and pillars of residential buildings such as condominiums and detached houses, as well as schools, libraries, welfare facilities, and other buildings. [Explanation of symbols]

[0050] 10 Frame 11 Bottom frame 11a Bottom first horizontal frame 11b Bottom second horizontal frame 11c Bottom rear frame 11d Bottom reinforcement frame 11e First upper flange 11f Second upper flange 11g Third upper flange 11h First lower flange 11i Second lower flange 11j Third lower flange 11k Fourth lower flange 12 Front enclosure 12a Front upper frame 12b Front first horizontal frame 12c Front second horizontal frame 12d Lower front frame 12e Front reinforcement frame 12f Light guide plate support piece 20 light source 20a Bottom light source 20b Front light source 30 Light guide plate 30a Bottom side light guide plate 30b Front light guide plate 40 Fixing member 41 Ceiling fixing member (upper fixing member) 41a screw hole 42 Wall fixing member (side fixing member) 42a screw hole 42b Side slit (support part) 43 Spacer 44 Decorative Panel X beam X1 Beam front ceiling X2 beam side wall X3 Beam bottom wall X4 Back slit (support part)

Claims

1. A lighting device that is attached to a beam protruding into the interior of a building and illuminates the interior of the building, The building is a residential building, a frame body provided with a light source and a light guide plate; the frame body is surrounded by an elongated frame and has an opening, the opening being covered with a light guide plate; The frame body is attached to the interior side of the beam, the irradiation surface of the light guide plate faces the interior side, and the entire interior side of the beam is covered with the light guide plate, The light from the light source is emitted from the irradiation surface of the light guide plate to illuminate the interior of the room. A lighting device characterized by:

2. A lighting device that is attached to a pillar that protrudes into the interior of a building and illuminates the interior of the building, The building is a residential building, a frame body provided with a light source and a light guide plate; the frame body is surrounded by an elongated frame and has an opening, the opening being covered with a light guide plate; The frame body is attached to an indoor side surface of a pillar, the irradiation surface of the light guide plate faces the indoor side, and the entire indoor side surface of the pillar is covered with the light guide plate, The light from the light source is emitted from the irradiation surface of the light guide plate to illuminate the interior of the room. A lighting device characterized by:

3. A lighting device that is attached to a beam protruding into the interior of a building and illuminates the interior of the building, The building is a residential building, A frame body having a light source and a light guide plate, and a fixing member that can attach the frame body to the indoor side surface of the beam, the frame body is surrounded by an elongated frame and has an opening, the opening being covered with a light guide plate; The fixing member is attached to the interior side surface of the beam, The frame body is attached to the interior side surface of the beam via the fixing member, and the irradiation surface of the light guide plate is on the interior side, and the entire or substantially entire interior side surface of the beam is covered with the light guide plate, The light from the light source is emitted from the irradiation surface of the light guide plate to illuminate the interior side of the beam. A lighting device characterized by:

4. A lighting device that is attached to a pillar that protrudes into the interior of a building and illuminates the interior of the building, The building is a residential building, a frame body including a light source and a light guide plate; and a fixing member that can attach the frame body to the indoor side surface of the pillar; the frame body is surrounded by an elongated frame and has an opening, the opening being covered with a light guide plate; The fixing member is attached to the interior side surface of the pillar, The frame body is attached to the indoor side surface of the pillar via the fixing member, and the irradiation surface of the light guide plate faces the indoor side, and the entire indoor side surface of the pillar is covered with the light guide plate, or substantially the entire indoor side surface of the pillar is covered with the light guide plate, The light from the light source is emitted from the irradiation surface of the light guide plate to illuminate the interior side of the pillar. A lighting device characterized by:

5. In the lighting device according to claim 1 or claim 3, The frame body is elongated in the horizontal direction of the beam, and has a flange at an end of the frame body in the horizontal direction that protrudes outward from the end, The flange is fixed to the ceiling or wall around the beam, so that the frame is fixed to the ceiling or wall, and the irradiation surface of the light guide plate of the frame faces the room side. The entire or substantially entire interior side surface of the beam is covered with a light guide plate of a frame body fixed to the ceiling or wall. A lighting device characterized by:

6. In the lighting device according to claim 2 or claim 4, The frame body is elongated in the longitudinal direction of the column, and has flanges at the ends of the frame body in the width direction that protrude outward from the ends, The flange is fixed to the ceiling or wall around the pillar, so that the frame is fixed to the ceiling or wall, and the irradiation surface of the light guide plate of the frame faces the room side. The entire or substantially entire indoor side surface of the pillar is covered with a light guide plate of a frame body fixed to the ceiling or wall. A lighting device characterized by:

7. The lighting device according to claim 5, The fixing member has a slit into which the flange of the frame body can be inserted and removed, The frame is attached to the fixing member with the flange inserted into the slit, and the irradiation surface of the light guide plate attached to the frame faces the interior side of the beam. A lighting device characterized by:

8. In the lighting device according to claim 1 or claim 3, The frame body is provided with a front enclosure frame that can cover the front side of the beam and a bottom enclosure frame that can cover the bottom side of the beam, the front enclosure frame includes a front light source and a front light guide plate, and the bottom enclosure frame includes a bottom light source and a bottom light guide plate; the front enclosure frame is attached to the front side of the beam, the irradiation surface of the front-side light guide plate is on the front side of the beam, and the entire or substantially entire front side of the beam is covered by the irradiation surface of the front-side light guide plate; the bottom surrounding frame is attached to the bottom side of the beam, the irradiation surface of the bottom side light guide plate is the bottom side of the beam, and the irradiation surface of the bottom side light guide plate covers the entire or substantially the entire bottom side of the beam, The light from the irradiation surface of the front-side light guide plate illuminates the interior of the room on the front side of the beam, and the light from the irradiation surface of the bottom-side light guide plate illuminates the interior of the room on the bottom side of the beam. A lighting device characterized by:

9. In the lighting device according to claim 2 or claim 4, The frame body includes a front enclosure frame that covers the front side of the column, the front enclosure frame includes a front light source and a front light guide plate; The front enclosure frame is attached to the front side of the pillar, which is the indoor side, so that the irradiation surface of the front light guide plate faces the indoor side, and the entire indoor side of the pillar is covered by the irradiation surface of the front light guide plate, or substantially the entire indoor side of the pillar, The interior of the front room is illuminated by light from the irradiation surface of the front light guide plate rather than the pillar. A lighting device characterized by:

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