JP4994941B2 - System ceiling lighting system - Google Patents

Description

  The present invention relates to a system ceiling lighting device attached to a ceiling constructed by a system ceiling method.

  Conventionally, this type of system ceiling illumination device is configured using a lamp. FIG. 11 is a cross-sectional view showing an example of a conventional system ceiling lighting device. This system ceiling lighting device is provided so as to close the cells of the ceiling bar 50 arranged in a grid pattern, and as shown in the figure, the lighting fixture body 70, the support fitting 72, the reflector 74, the lighting device 76, and A fluorescent lamp 78 as a light source is configured as a main component. The luminaire main body 70 and the like are disposed on the ceiling bar 50 via the support fitting 72. Further, the ceiling board 60 is provided adjacent to the system ceiling lighting device so as to close the cell of the ceiling bar 50 in the same manner.

As described above, the conventional system ceiling lighting device has a problem in that it requires a lighting fixture body, a support fitting, a reflector, and the like, has a large number of parts, and is thick and heavy.
An object of the present invention is to provide a system ceiling lighting device having a high degree of uniformity using a light source panel such as an LED panel or an organic EL panel.

  The above object includes a ceiling bar arranged in a lattice shape so as to form a substantially square cell, wherein the ceiling bar has a ceiling bar head at the upper part, a bottom part of the ceiling bar wider than the ceiling bar head at the lower part, and A system ceiling lighting device used in a ceiling lighting system having a ceiling bar neck that connects between the head of the ceiling bar and the bottom of the ceiling bar, and is placed on the bottom of the ceiling bar and closes the cell of the ceiling bar This is achieved by a system ceiling lighting device having a light source panel having a substantially square bottom surface. Here, the light source panel has a dimension of one side of the bottom surface of the light source panel, W1, a dimension between the head portions of the facing ceiling bars, P2, a dimension between the bottom portions of the facing ceiling bars, and P2. When the dimension from the position of the neck portion of the ceiling bar to the end of the bottom portion of the ceiling bar is P3, the relationship of P1> W1> (P2 + P3) can be satisfied.

  The light source panel may have a U-shaped cross-sectional shape or an L-shaped cross-sectional shape reinforcing panel frame on an outer periphery thereof. In this case, in the light source panel, the dimension of one side of the bottom surface of the light source panel is W1, the dimension of the reinforcing panel frame on the bottom surface is W3, the dimension between the heads of the facing ceiling bars is P1, and the bottoms of the facing ceiling bars When the dimension between the parts is P2, and the dimension from the position of the neck part of the ceiling bar to the end part of the ceiling bar skirt part is P3, the relation of P1> W1> (P2 + P3 + W3) is satisfied. can do.

The reinforcing panel frame may have a mounting spring on its side surface. In this case, in the light source panel, the dimension of one side of the bottom surface of the light source panel is W1, the dimension of the reinforcing panel frame on the bottom surface is W3, the dimension between the heads of the facing ceiling bars is P1, and the bottoms of the facing ceiling bars P2 is the dimension between the parts, P3 is the dimension from the position of the ceiling bar neck 56 to the end of the ceiling bar hem 54 in the ceiling bar hem 54, P6 is the dimension between the opposing ceiling bar necks, When the dimension between the ridges of the mounting spring is S1, the relationship of S1>P6>P1>W1> (P2 + P3 + W3) can be satisfied.
The light source panel may be an LED panel or an organic EL panel.

  Further, the ceiling lighting system according to the present invention includes a ceiling bar arranged in a lattice shape so as to form a plurality of substantially square cells, a ceiling board that closes a part of the plurality of cells, and the plurality of cells. A system ceiling illuminating device including a light source panel having a substantially square bottom surface that covers the remaining portion, the ceiling bar having a ceiling bar head at the top, a ceiling bar hem wider than the ceiling bar head at the bottom, and A ceiling bar neck for connecting between the head of the ceiling bar and the bottom of the ceiling bar is provided, and the light source panel is placed on the bottom of the ceiling bar. Here, the light source panel has a dimension of one side of the bottom surface of the light source panel, W1, a dimension between the head portions of the facing ceiling bars, P2, a dimension between the bottom portions of the facing ceiling bars, and P2. When the dimension from the position of the neck portion of the ceiling bar to the end of the bottom portion of the ceiling bar is P3, the relationship of P1> W1> (P2 + P3) can be satisfied. The light source panel may be an LED panel or an organic EL panel.

  According to the present invention, it is possible to provide a system ceiling lighting device having a high level of uniformity using a light source panel such as an LED panel or an organic EL panel. By making the ceiling board and the light source panel of the same size between the ceiling bars equal, it is possible to change the lighting layout by an easy operation of moving the ceiling board and the light source panel to each other. Moreover, it is possible to eliminate the luminaire main body, support metal fittings, reflectors and the like that are required in the prior art, and the number of parts can be reduced. Further, the thickness of the apparatus can be made smaller than that of the conventional apparatus, and the apparatus can be installed on a ceiling in which the dimension between the ceiling bar and the building is limited.

  Hereinafter, an example of a system ceiling lighting device according to the present invention will be described. Before that, an LED panel and an organic EL panel will be described as examples of a light source panel that can be used in the present invention.

  FIG. 1 is a diagram showing an example of an LED panel that can be used in the present invention. As shown in the drawing, the LED panel 10 is configured by arranging a plurality of LED light emitting elements 12 in a two-dimensional manner, and has a flat plate structure with a substantially square bottom surface. Each LED light emitting element 12 of the LED panel 10 is connected to a lighting device 16. The lighting device 16 is supplied with power from the power source 30 via the power line 32 and the power switch 34. Here, “substantially square” includes not only a square in the mathematical sense but also a shape that can be said to be a substantially square. The same applies to substantially square terms used below.

FIG. 2 is a diagram showing an example of an organic EL panel that can be used in the present invention. As shown in the drawing, the organic EL panel 20 is configured by sandwiching a light emitting layer 22 between two electrodes 24, and has a flat plate structure with a substantially square bottom surface. Each electrode 24 of the organic EL panel 20 is connected to a lighting device 26. The lighting device 26 is supplied with power from the power source 30 via the power line 32 and the power switch 34.
Embodiments of the system ceiling lighting device according to the present invention will be described below.

Example 1
FIG. 3 is a perspective view showing an embodiment of the system ceiling lighting device according to the present invention. 4 is a cross-sectional view of the embodiment of FIG. FIG. 5 is a cross-sectional dimension view of the embodiment of FIG.
The ceiling lighting system is constructed by, for example, a system ceiling method, and includes a ceiling bar 50 arranged in a lattice shape so as to form a plurality of substantially square cells, a ceiling board 60 that closes a part of the plurality of cells, and a plurality of The system ceiling illumination device includes a light source panel such as an LED panel 10 or an organic EL panel 20 having a substantially square bottom surface covering the remainder of the cell. The ceiling bar 50 is lifted and fixed to the building by suspension bolts 58 provided at various places. A lighting device 16 or 26 is connected to the LED panel 10 or the organic EL panel 20, and the lighting device 16 or 26 is supplied with power via a power line 32.

  The ceiling bar 50 has a ceiling bar head 52 at the upper part, a ceiling bar skirt part 54 at the lower part, and a ceiling bar neck part 56 that connects the ceiling bar head part 52 and the ceiling bar skirt part 54. The ceiling bar skirt portion 54 has a wider cross-sectional shape like an inverted T-shape that is inverted upside down, and the LED panel 10 or the organic EL panel 20 that is a light source is disposed on the ceiling bar skirt portion 54 in the same manner as the ceiling board 60. Is done. That is, the LED panel 10 or the organic EL panel 20 that is a light source manufactured in a substantially square shape with a size substantially the same as the ceiling board 60 that closes the cells between the ceiling bars on the ceiling bar 50 is connected to the bottom of the ceiling bar from the ceiling bar head 52. The LED panel 10 or the organic EL panel 20 is placed on the ceiling bar skirt portion 54 and installed on the ceiling as a surface light source lighting device. In this way, the LED panel 10 or the organic EL panel 20 as the light source panel is placed on the skirt portion of the ceiling bar, and is disposed in a stationary state on the skirt portion 54 of the ceiling bar by its own weight without requiring a special fixing member. The

  In this embodiment, as shown in FIG. 5, the LED panel 10 or the organic EL panel 20 has a bottom side dimension W 1, a dimension between opposing ceiling bar heads 52 P 1, and opposing ceiling bar hem parts. When the dimension between 54 is P2 and the dimension from the position of the ceiling bar neck 56 to the end of the ceiling bar skirt 54 is P3, the relationship of P1> W1> (P2 + P3) is satisfied. Composed. Thereby, the LED panel 10 or the organic EL panel 20 can be easily disposed on the ceiling bar 50, and can be prevented from falling off the ceiling bar even if the LED panel 10 or the organic EL panel 20 moves back and forth and right and left on the ceiling bar hem 54. . In addition, the dimension W1 on one side of the bottom surface of the LED panel 10 or the organic EL panel 20 and the dimension W2 of the ceiling board 60 are approximately equal.

  The LED panel 10 or the organic EL panel 20 can include a reinforcing member 40 on the bottom surface (light emitting surface side) for transmitting and diffusing light and preventing the panel 10 or 20 from being bent. The reinforcing member 40 is made of a material such as acrylic resin or tempered glass, for example, and can be a panel formed with the same outer dimensions as the LED panel 10 or the organic EL panel 20. The reinforcing member 40 can have a close contact structure so as to be a part of the LED panel 10 or the organic EL panel 20.

(Example 2)
FIG. 6 is a sectional view showing another embodiment of the system ceiling lighting device according to the present invention. FIG. 7 is a cross-sectional dimension view of the embodiment of FIG. FIG. 8 is an enlarged view of a portion A in FIGS. 6 and 7.
In this embodiment, the LED panel 10 or the organic EL panel 20 as a light source panel has a reinforcing panel frame 42 having a U-shaped cross-sectional shape or an L-shaped cross-sectional shape on the outer periphery thereof, and the other configurations are the same as those described in the above embodiment. Similar to Example 1. The main purpose of the reinforcing panel frame 42 is to prevent the light source panel from being bent.

  In this embodiment, as shown in FIG. 8, the LED panel 10 or the organic EL panel 20 has a dimension of one side of the bottom surface (including the reinforcing panel frame 42) W1, and a dimension of the reinforcing panel frame 42 on the bottom surface W3. The dimension between the opposed ceiling bar heads 52 is P1, the dimension between the opposed ceiling bar hems 54 is P2, and the position of the ceiling bar neck 56 at the ceiling bar hem 54 to the end of the ceiling bar hem 54 When the dimension is P3, it is configured to satisfy the relationship of P1> W1> (P2 + P3 + W3).

  Thereby, the LED panel 10 or the organic EL panel 20 can be easily disposed on the ceiling bar 50, and can be prevented from falling off the ceiling bar even if the LED panel 10 or the organic EL panel 20 moves back and forth and right and left on the ceiling bar hem 54. At the same time, even when the light source panel is biased to the ceiling bar on one side, the reinforcing panel frame 42 is not visible when the ceiling is viewed from the lower surface in the ceiling construction state, and the fluorescent lamp 78 which is a light source in the prior art shown in FIG. The portion corresponding to the non-light-receiving portion 80 of the reflector 74 that is not exposed to direct light can be eliminated, and the design can be improved. In addition, the dimension W1 on one side of the bottom surface of the LED panel 10 or the organic EL panel 20 and the dimension W2 of the ceiling board 60 are approximately equal.

(Example 3)
FIG. 9 is a sectional view showing another embodiment of the system ceiling lighting device according to the present invention. FIG. 10 is a cross-sectional dimension view of the embodiment of FIG.
In this embodiment, the LED panel 10 or the organic EL panel 20 as a light source panel has a mounting spring 46 on the side surface of a reinforcing panel frame 42 having a U-shaped cross-sectional shape or an L-shaped cross-sectional shape provided on the outer periphery thereof. There are other configurations, which are the same as in the second embodiment. As shown in FIG. 10, the attachment spring 46 can be made of a plate-shaped spring steel material that bends in the B direction and the C direction. The attachment spring 46 is fixed to several side surfaces of a pair of reinforcing panel frames 42 facing each other and covering the outer periphery of the LED panel 10 or the organic EL panel 20 with a U-shaped cross-sectional shape or an L-shaped cross-sectional shape.

  The mounting spring 46 has a ridge line portion 48 as shown in the figure, and when the LED panel 10 or the organic EL panel 20 is mounted, the mounting spring ridge line portion 48 is equivalent to the ceiling bar neck portion 56 facing in parallel on the side of the reinforcing panel frame 42. Weld with pressure. Thereby, the LED panel 10 or the organic EL panel 20 is arranged in the front-rear direction or the left-right direction with respect to the ceiling bar 50, and can be prevented from being biased to one side of the ceiling bar. In the present embodiment, the attachment spring 46 has a square shape, but is not limited thereto.

  The mounting operation of the LED panel 10 or the organic EL panel 20 is performed by dropping the LED panel 10 or the organic EL panel 20 from the direction of the ceiling bar head 52 toward the ceiling bar skirt 54. At the time of the dropping operation, the mounting spring ridge line portion 48 interferes with the ceiling bar head portion 52, but the mounting spring ridge line portion 48 is bent in the direction B in FIG. Further, even if the LED panel 10 or the organic EL panel 20 after the construction is lifted upward, the mounting spring ridge line portion 48 interferes with the ceiling bar head portion 52 to prevent easy climbing over the ceiling bar head 52. The removal of the LED panel 10 or the organic EL panel 20 is prevented.

  In the present embodiment, as shown in FIG. 10, the LED panel 10 or the organic EL panel 20 has a dimension of one side of the bottom surface (including the reinforcing panel frame 42) as W1, and a dimension of the reinforcing panel frame 42 at the bottom surface as W3. The dimension between the opposed ceiling bar heads 52 is P1, the dimension between the opposed ceiling bar hems 54 is P2, and the position of the ceiling bar neck 56 at the ceiling bar hem 54 to the end of the ceiling bar hem 54 When the dimension is P3, the dimension between the opposing ceiling bar necks 56 is P6, and the dimension between the mounting spring ridges 48 on both sides is S1, the configuration is configured to satisfy the relationship S1> P6> P1> W1> (P2 + P3 + W3) Is done.

  Thereby, the LED panel 10 or the organic EL panel 20 can be easily disposed on the ceiling bar 50, and can be prevented from falling off the ceiling bar even if the LED panel 10 or the organic EL panel 20 moves back and forth and right and left on the ceiling bar hem 54. At the same time, even when the light source panel is biased to the ceiling bar on one side, the reinforcing panel frame 42 is not visible when the ceiling is viewed from the lower surface in the ceiling construction state, and the fluorescent lamp 78 which is a light source in the prior art shown in FIG. The portion corresponding to the non-light-receiving portion 80 of the reflection plate 74 that is not exposed to direct light can be eliminated and the design can be improved, and further, the LED panel 10 or the organic EL panel 20 can be prevented from being biased toward one side of the ceiling bar. Can do. In addition, the dimension W1 on one side of the bottom surface of the LED panel 10 or the organic EL panel 20 and the dimension W2 of the ceiling board 60 are approximately equal.

It is a figure which shows an example of the LED panel which can be used for this invention. It is a figure which shows an example of the organic electroluminescent panel which can be used for this invention. It is a perspective view which shows one Example of the illuminating device for system ceilings which concerns on this invention. It is sectional drawing of the Example of FIG. FIG. 4 is a cross-sectional dimension view of the embodiment of FIG. 3. It is sectional drawing which shows the other Example of the illuminating device for system ceilings which concerns on this invention. FIG. 7 is a cross-sectional dimension view of the embodiment of FIG. 6. FIG. 8 is an enlarged view of a portion A in FIGS. 6 and 7. It is sectional drawing which shows the other Example of the illuminating device for system ceilings which concerns on this invention. FIG. 10 is a cross-sectional dimension view of the embodiment of FIG. 9. It is sectional drawing which shows an example of the conventional illuminating device for system ceilings.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... LED panel 12 ... LED light emitting element 16 ... Lighting device 20 which controls light emission of LED element ... Organic EL panel 22 ... Light emitting layer 24 ... Electrode 26 ... Lighting device 30 which controls light emission of organic EL ... Power source 32 ... Power line 34 ... Power switch 40 ... Reinforcing member 42 ... Reinforcing panel frame 46 ... Mounting spring 48 ... Ridge portion 50 of the mounting spring ... Ceiling bar 52 ... Ceiling bar head 54 ... Ceiling bar hem 56 ... Ceiling bar neck 58 ... Suspension bolt 60 ... Ceiling board 70 ... Lighting fixture body 72 ... Support metal fitting 74 ... Reflector plate 76 ... Lighting device 78 ... Fluorescent lamp 80 ... Non-light-receiving portion of reflector

Claims (10)

A ceiling bar arranged in a lattice shape so as to form a substantially square cell, wherein the ceiling bar has a ceiling bar head at the top, a ceiling bar hem wider than the ceiling bar head at the bottom, and the ceiling bar head System ceiling lighting device used in a ceiling lighting system having a ceiling bar neck portion connecting between a ceiling portion and a bottom portion of the ceiling bar, on the light emitting surface side that is placed on the bottom portion of the ceiling bar and closes the cell of the ceiling bar and there bottom substantially square light source panel, a system ceiling for lighting apparatus comprising the light-emitting surface side and the lighting device arranged light source panel on the opposite side of the light source panels.   In the light source panel, the dimension of one side of the bottom surface of the light source panel is W1, the dimension between the opposed head portions of the ceiling bar is P1, the dimension between the opposed bottom portions of the ceiling bar is P2, and 2. The system ceiling lighting device according to claim 1, wherein when a dimension from a position of a ceiling bar neck to an end of the ceiling bar skirt is P3, a relationship of P1> W1> (P2 + P3) is satisfied.   2. The system ceiling lighting device according to claim 1, wherein the light source panel has a reinforcing panel frame having a U-shaped cross-sectional shape or an L-shaped cross-sectional shape on an outer periphery thereof. In the light source panel, the dimension of one side of the bottom surface of the light source panel is W1, the dimension of the reinforcing panel frame on the bottom surface is W3, the dimension between the opposed head portions of the ceiling bar is P1, and the distance between the opposed bottom portions of the ceiling bars. When the dimension is P2, and the dimension from the position of the ceiling bar neck to the end of the ceiling bar hem at the ceiling bar hem is P3, the relationship of P1>W1> (P2 + P3 + W3) and P3 ≧ W3 is satisfied. The system ceiling illumination device according to claim 3.   4. The system ceiling lighting device according to claim 3, wherein the reinforcing panel frame has a mounting spring on a side surface thereof. In the light source panel, the dimension of one side of the bottom surface of the light source panel is W1, the dimension of the reinforcing panel frame on the bottom surface is W3, the dimension between the opposed head portions of the ceiling bar is P1, and the distance between the opposed bottom portions of the ceiling bars. The dimension is P2, the dimension from the position of the ceiling bar neck 56 to the end of the ceiling bar skirt 54 in the ceiling bar skirt 54 is P3, the dimension between the opposed ceiling bar necks P6, and the attachment on both sides 6. The system ceiling lighting device according to claim 5, wherein when the dimension between the ridges of the spring is S1, the relationship of S1>P6>P1>W1> (P2 + P3 + W3) and P3 ≧ W3 is satisfied.   The system ceiling illumination device according to claim 1, wherein the light source panel is an LED panel or an organic EL panel. Ceiling bars arranged in a lattice pattern so as to form a plurality of substantially square meshes, a ceiling board that closes a part of the plurality of meshes, and a bottom surface that is on the light emitting surface side that covers the rest of the plurality of meshes A system ceiling illumination device comprising a square light source panel and a lighting device for the light source panel disposed on the side opposite to the light emitting surface side of the light source panel , the ceiling bar at the top A lower part of the ceiling bar hem that is wider than the head of the ceiling bar, and a neck of the ceiling bar that connects between the head of the ceiling bar and the hem of the ceiling bar. Ceiling lighting system characterized by that.
  In the light source panel, the dimension of one side of the bottom surface of the light source panel is W1, the dimension between the heads of the facing ceiling bars is P1, the dimension between the bottoms of the facing ceiling bars is P2, and 9. The ceiling illumination system according to claim 8, wherein when a dimension from the position of the ceiling bar neck to the end of the ceiling bar skirt is P3, a relationship of P1> W1> (P2 + P3) is satisfied.   The ceiling light system according to claim 8 or 9, wherein the light source panel is an LED panel or an organic EL panel.

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