JP3168226U - Lighting fixture - Google Patents

Abstract

An illumination lamp that is lightweight and thin and can be easily attached to and detached from a ceiling board. An illumination lamp includes a fixed plate, a heat dissipation frame, at least one strip-shaped LED lamp, a light guide plate, a reflective layer, and a gap member. The fixing plate 1 includes a main body 11 and a plurality of fixing pieces 12 extending around the periphery of the main body 11. The heat dissipating frame has a plurality of heat dissipating frames 21 whose edges are in contact with each other. The heat radiating frame 21 includes a heat radiating portion 211 and a stopper piece 212 extending from the heat radiating portion 211. An insertion space 213 is provided in one heat radiating frame 21. One end of the strip-shaped LED lamp 3 is inserted into the insertion space 213 of the at least one heat dissipating frame 21, and the other end is fixed to the at least one heat dissipating frame 21. [Selection] Figure 3

Description

  The present invention relates to an illumination lamp, and more particularly, to a thin illumination lamp that is easy to attach and detach.

  There are many types of illumination lamps, but among them, the lamp attached to the lightweight steel frame is good because it is fitted on the ceiling board and does not protrude from the ceiling board.

  Please refer to FIG. As shown in FIG. 1, a light steel frame ceiling plate 1a of a conventional illumination lamp is generally composed of a plurality of T-shaped light steel frames 11a intersecting vertically and horizontally, and is formed to be surrounded by the T-shaped light steel frames 11a. And a plurality of square (square or rectangular) spaces 12a. In this rectangular space 12a, an illumination lamp 2a having a plurality of fluorescent lamps is arranged and covered with a lamp cover 3a.

  However, when a pipe line, a structure, or the like is arranged in the ceiling plate, there is a possibility that the conventional illumination lamp cannot be installed by hitting the above-described pipe line or other structure due to its own thickness. In particular, such a problem is likely to occur when an illuminating lamp is installed in a place where there was no original.

  An object of the present invention is to provide a lighting fixture that is thin and easy to attach and detach by arranging a light source on a side heat dissipating frame and making the heat dissipating frame an assembly type.

  In order to solve the above problems, an illumination lamp according to a first embodiment of the present invention is an illumination lamp including a fixed plate, a heat dissipation frame, at least one strip-shaped LED lamp, a light guide plate, a reflective layer, and a gap member, The fixing plate includes a main body and a plurality of fixing pieces extending around a periphery of the main body, and the heat dissipating frame includes a plurality of heat dissipating frames whose edges are in contact with each other. The heat dissipating frame has a heat dissipating part and a stopper piece extending from the heat dissipating part, and the heat dissipating part of the heat dissipating frame is detachably fixed to the fixing piece of the fixing plate, respectively. An insertion space composed of the heat radiating portion and the stopper piece is provided in the heat radiating frame. One end of the at least one strip-shaped LED lamp is inserted into the insertion space of the at least one heat radiating frame, and the other Less end of Is fixed to one of the heat radiating frames, and the light guide plate is disposed between the main body of the fixing plate and the stopper piece of the heat radiating frame so that a side end thereof corresponds to the band-shaped LED lamp. The reflective layer is disposed between the light guide plate and the main body of the fixed plate, and the gap member is sandwiched between the light guide plate and the stopper piece of the heat dissipation frame. .

  In order to solve the above-described problem, an illumination lamp according to a second embodiment of the present invention includes a fixed plate, a heat dissipation frame, a plurality of strip-shaped LED lamps, a power supply assembly, a light guide plate, a light reflecting piece, and a light uniform piece. In the illumination lamp, the fixing plate includes a main body and a plurality of fixing pieces extending around a periphery of the main body, and the heat dissipating frame includes a plurality of heat dissipating frames whose edges are in contact with each other. Each of the plurality of heat dissipating frames includes a heat dissipating part, a stopper piece extending from the heat dissipating part, and a tank-shaped insertion space composed of the heat dissipating part and the stopper piece. The heat radiating portion of the frame is detachably fixed to the fixing piece of the fixing plate, and the stopper piece of the heat radiating frame is extended in parallel to the main body from the heat radiating portion toward the main body. The plurality of strip-shaped LED lamps include a circuit board and the circuit. A plurality of LEDs attached to a plate, and one end of the circuit board is inserted into the insertion space of the heat dissipating frame, and connection portions are provided on both sides of the other end. The supply assembly is disposed on an outer surface of the main body of the fixed plate, and is electrically connected to the connection portion of the circuit board of the plurality of strip-shaped LED lamps. In order to correspond to the plurality of LEDs of the strip-shaped LED lamp, the fixing plate is disposed between the inner surface of the main body of the fixing plate and the stopper piece of the heat dissipation frame, and the light reflecting piece includes the light guide plate and the light emitting plate. It is arrange | positioned between the said inner surface of the said main body of a fixing plate, The said light uniform piece is clamped between the said light guide plate and the said stopper piece of the said thermal radiation frame, It is characterized by the above-mentioned.

  The illuminating lamp according to the present invention is lightweight and thin, and can be easily attached to and detached from the ceiling board.

It is a disassembled perspective view which shows the conventional illumination lamp. It is a perspective view which shows the illuminating lamp concerning one Embodiment of this invention. FIG. 3 is a partially exploded enlarged view showing a portion A of the illumination lamp shown in FIG. 2. It is a disassembled perspective view which shows the illumination lamp concerning one Embodiment of this invention. It is a disassembled perspective view which shows the thermal radiation frame and strip | belt-shaped LED lamp of the illuminating lamp concerning one Embodiment of this invention. It is a perspective view which shows the dot of the light-guide plate of the illuminating lamp concerning one Embodiment of this invention. It is a disassembled perspective view which shows a state when the clearance gap member of the illuminating lamp concerning one Embodiment of this invention is a stopper. It is the elements on larger scale which show a state when the clearance gap member of the illuminating lamp concerning one Embodiment of this invention is a stopper. It is a flowchart which shows the assembly process of the illuminating lamp concerning one Embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  As shown in FIGS. 2 to 4, an illumination lamp according to an embodiment of the present invention includes at least a fixed plate 1, a heat dissipation frame 2, a strip LED lamp 3, a power supply assembly 4, a light guide plate 5, a reflective layer 6, and It is composed of a gap member 7. The heat dissipation frame 2 is fixed to the fixed plate 1. The strip-shaped LED lamp 3 is attached to the heat dissipation frame 2. The light guide plate 5, the reflective layer 6, and the gap member 7 are sandwiched between the fixed plate 1 and the heat dissipation frame 2. The power supply assembly 4 is fixed on the fixed plate 1.

  As shown in FIG. 4, the fixing plate 1 of the illumination lamp according to the embodiment of the present invention includes a main body 11 and a plurality of fixing pieces 12 extending around the periphery of the main body 11. On the outer side surface (upper surface in FIG. 4) of the main body 11 of the fixed plate 1, a plurality of convex columns 13 having an inner edge provided with a thread are projected. In the present embodiment, the fixed plate 1 has a rectangular (rectangular or square) shape in which four corners are chamfered, but the shape and number thereof are not limited to this, and may be changed as necessary.

  As shown in FIGS. 3 and 4, the heat dissipating frame 2 of the illumination lamp according to the embodiment of the present invention has four heat dissipating frames 21 in contact with each other. Both end edges of the heat dissipating frame 21 are formed at an inclination angle of 45 degrees with respect to the long side of the heat dissipating frame 21 so that the end edges can be firmly in contact with each other.

  The heat dissipating frame 21 includes a heat dissipating part 211 and a stopper piece 212 extending from the edge of the heat dissipating part 211. The heat radiation part 211 is hollow, and a plurality of groove-like structures 2111 are provided on the outer edge in order to increase the heat radiation area. Since the heat radiating portion 211 of the heat radiating frame 21 is fixed in contact with the fixing piece 12 of the fixing plate 1, the heat of the heat radiating frame 21 can be quickly radiated through the fixing plate 1. The method of bringing the heat radiating portion 211 into contact with the fixed piece 12 may be a screwing method using screws. The stopper piece 212 extends in parallel with the main body 11 from the heat radiating portion 211 toward the main body 11.

  Positioning pins 2121 project from the stopper pieces 212 of at least one heat dissipating frame 21 so as to face the fixing plate 1. A tank-shaped insertion space 213 is provided so as to be surrounded by the positioning pins 2121 and the heat radiation part 211.

  In this embodiment, since the number of the heat dissipation frames 21 forming the insertion space 213 is four, the number of the strip-shaped LED lamps 3 is also four. However, the present invention is not limited to this mode. In actual use, the number of the heat dissipating frames 21 and the number of the strip-shaped LED lamps 3 forming the insertion space 213 are one, two, or three. That's all.

  As shown in FIGS. 4 and 5, each strip-shaped LED lamp 3 of the illumination lamp according to the embodiment of the present invention includes a circuit board 31 and a plurality of LEDs 32 arranged on the circuit board 31. One end (lower end in FIG. 5) of the circuit board 31 is inserted into the insertion space 213 of the heat dissipation frame 21 and engaged, and the other end (upper end in FIG. 5) is the heat dissipation portion 211 of the heat dissipation frame 21. Fixed to. When the side surface of the circuit board 31 on which the LED 32 is not provided is brought into contact with the heat radiating portion 211 of the heat radiating frame 21, the heat generated by the LED 32 is quickly transmitted to the heat radiating portion 211 of the heat radiating frame 21. The other end of the circuit board 31 is fixed to the heat dissipation part 211 by a method such as screwing with a screw. On the side portion (side surface) where the LED 32 of the circuit board 31 of the strip-shaped LED lamp 3 is attached, a connection portion 33 electrically connected to the LED 32 is provided at both end portions (left end and right end in FIG. 5). . As shown in FIG. 2, the connecting portion 33 is located at a chamfered corner of the fixed plate 1 and is not covered by the fixed plate 1.

  A heat conduction layer (not shown) is provided between the heat radiation part 211 of the heat radiation frame 21 and the circuit board 31. The heat of the circuit board 31 is quickly transferred to the heat radiating part 211 of the heat radiating frame 21 through the heat radiating part 211 and the heat conductive layer in close contact with the circuit board 31. In actual use, the above-mentioned heat conductive layer may be a thermal grease or a heat conductive glue, but is not limited thereto.

  As shown in FIG. 4, the power supply assembly 4 of the illumination lamp according to the embodiment of the present invention includes two power supply devices 41 and a plurality of cables 42. The power supply device 41 is fixed to the outer surface of the main body 11 of the fixed plate 1. That is, the power supply device 41 is engaged with the convex column 13 of the fixed plate 1 and is screwed to the thread on the inner edge of the convex column 13. The cable 42 is electrically connected to the power supply device 41 and the connection portion 33 provided on the circuit board 31 of the strip-shaped LED lamp 3. Each power supply device 41 is electrically connected to the two strip LED lamps 3 via a cable 42. In the present embodiment, the power supply device 41 is fixed by the above-described fixing method, but is not limited to this mode, and there is a limit to the length of the cable 42 connected to the power supply device 41 when actually used. In other words, the length of the cable 42 and the position where the power supply device 41 is fixed may be changed as necessary. For example, the power supply device 41 can be arranged and fixed at a place other than the fixing plate 1 using a long cable 42.

  Moreover, in this embodiment, although the number of the power supply devices 41 is two, it is not limited to this aspect, You may change according to the number of the strip | belt-shaped LED lamp 3 or LED32. That is, the number of power supply devices 41 may be one, two, or three or more as necessary.

  As shown in FIGS. 3 and 4, the light guide plate 5 of the illumination lamp according to the embodiment of the present invention includes a light emitting surface 51 (a lower surface in FIG. 4) and a light reflecting surface 52 (in FIG. Upper surface) and four light incident surfaces 53 (side surfaces in FIG. 4) connected to the light emitting surface 51 and the light reflecting surface 52. The light guide plate 5 is disposed between the inner surface (the lower surface in FIG. 4) of the main body 11 of the fixed plate 1 and the stopper piece 212 of the heat dissipating frame 2. In order to make the light beam of the LED 32 enter the light guide plate 5 efficiently, the light incident surface 53 at the side end of the light guide plate 5 is arranged so as to correspond to the LED 32 of the strip-shaped LED lamp 3.

  As shown in FIG. 6, a plurality of dots 521 that reflect light are provided on the surface of the light guide plate 5 of the illumination lamp according to the embodiment of the present invention near the fixed plate 1. Specifically, dots 521 are provided on the light reflection surface 52 of the light guide plate 5. The arrangement density of the dots 521 of the light guide plate 5 increases as the distance from the band-shaped LED lamp 3 increases. As a result, when the light beam incident on the light guide plate 5 is emitted from the light emitting surface 51 via the dots 521 provided on the light reflecting surface 52, the light distribution becomes uniform.

  As shown in FIGS. 3 and 4, the reflective layer 6 of the illuminating lamp according to the embodiment of the present invention is disposed between the light reflecting surface 52 of the light guide plate 5 and the inner surface of the main body 11 of the fixed plate 1. Has been. The light reflecting piece 61 of the reflecting layer 6 in the present embodiment is sandwiched between the light reflecting surface 52 of the light guide plate 5 and the inner surface of the main body 11 of the fixed plate 1, but is not limited to this mode. Instead, when actually used, the light reflection surface 52 of the light guide plate 5 or the inner surface (not shown) of the main body 11 of the fixing plate 1 may be provided by a coating method. The light incident on the light guide plate 5 reduces light loss when the light incident on the light guide plate 5 is emitted from the light emitting surface 51 of the light guide surface 5 in order to reduce light loss when reflected by the reflective layer 6. There is nothing to do.

  As shown in FIGS. 3 and 4, the gap member 7 of the illumination lamp according to the embodiment of the present invention is sandwiched between the light emitting surface 51 of the light guide plate 5 and the stopper piece 212 of the heat dissipating frame 2. . The gap member 7 may be a uniform light piece 71 having an outer surface formed in a planar shape or a honeycomb-shaped shape (not shown). As shown in FIGS. 7 and 8, the gap member 7 may be a stopper 72 sandwiched between the periphery of the light emitting surface 51 of the light guide plate 5 and the stopper piece 212 of the heat dissipating frame 2. Although there are four stoppers 72 in the present embodiment, the present invention is not limited to this aspect, and may be formed in one rectangular ring shape or two L-shapes.

  As shown in FIG. 9, the assembly process of the illumination lamp according to the embodiment of the present invention includes the following steps S101 to S104. However, the present invention is not limited to the following modes.

  S101: While installing the strip | belt-shaped LED lamp 3 on the thermal radiation frame 21, the thermal radiation frame 21 is assembled and the thermal radiation frame 2 is manufactured.

  S102: On the stopper piece 212 of the heat dissipating frame 2, the gap member 7, the light guide plate 5, the reflective layer 6, and the fixing plate 1 are sequentially installed.

  S103: The heat dissipating part 211 of the heat dissipating frame 2 is screwed to the fixing piece 12 of the fixing plate 1.

  S104: The power supply assembly 4 is connected to the connection portion 33 of the strip-shaped LED lamp 3.

  In use, the assembled lighting lamp can be used by simply installing it directly in a square (square or rectangular) space provided so as to be surrounded by a T-shaped lightweight steel frame on a lightweight steel ceiling board. be able to.

  The preferred embodiments of the present invention have been disclosed as described above so that those skilled in the art can understand them, but the present invention is not limited thereto. Therefore, various changes and modifications made without departing from the spirit and scope of the present invention are included in the scope of the utility model registration request of the present invention.

DESCRIPTION OF SYMBOLS 1 Fixing board 1a Lightweight steel ceiling board 2 Radiating frame 2a Lighting lamp 3 Strip-shaped LED lamp 3a Lamp cover 4 Power supply assembly 5 Light guide plate 6 Reflective layer 7 Gap member 11 Main body 11a T-shaped lightweight steel 12 Fixed piece 12a Rectangular space 13 Convex column 21 Radiation frame 31 Circuit board 32 LED
33 Connecting portion 41 Power supply device 42 Cable 51 Light emitting surface 52 Light reflecting surface 53 Light incident surface 61 Light reflecting piece 71 Light uniform piece 72 Stopper 211 Heat radiating portion 212 Stopper piece 213 Insertion space 521 Dot 2111 Groove structure 2121 Positioning pin

Claims (10)

An illumination lamp comprising a fixed plate, a heat dissipation frame, at least one strip-shaped LED lamp, a light guide plate, a reflective layer, and a gap member,
The fixing plate has a main body and a plurality of fixing pieces extending around the periphery of the main body,
The heat dissipating frame includes a plurality of heat dissipating frames whose edges are in contact with each other, and each of the plurality of heat dissipating frames includes a heat dissipating part and a stopper piece extending from the heat dissipating part. The heat radiating portion of the frame is detachably fixed to the fixing piece of the fixing plate, and at least one heat radiating frame is provided with an insertion space constituted by the heat radiating portion and the stopper piece,
The at least one strip-shaped LED lamp has one end inserted into the insertion space of the at least one heat dissipation frame, and the other end fixed to the at least one heat dissipation frame,
The light guide plate is disposed between the main body of the fixed plate and the stopper piece of the heat dissipation frame so that a side end thereof corresponds to the band-shaped LED lamp.
The reflective layer is disposed between the light guide plate and the main body of the fixed plate,
The said gap member is clamped between the said light guide plate and the said stopper piece of the said heat radiating frame, The illuminating lamp characterized by the above-mentioned. Positioning pins project from the stopper pieces of the heat dissipation frame,
The insertion space is provided so as to be surrounded by the positioning pins and the heat dissipation portion of the heat dissipation frame,
The at least one strip-shaped LED lamp has one end engaged with the insertion space, and the other end fixed to the heat dissipating part of the at least one heat dissipating frame. The illumination lamp according to 1.   The illuminating lamp according to claim 1 or 2, wherein the heat radiating portion of the heat radiating frame is hollow and has a plurality of groove-like structures on an outer edge thereof. A plurality of dots are formed on the surface of the light guide plate on the fixed plate side,
As the distance from the at least one strip-shaped LED lamp increases, the installation density of the plurality of dots of the light guide plate increases, and the closer to the at least one strip-shaped LED lamp, the lower the installation density of the dots of the light guide plate. The illuminating lamp according to any one of claims 1 to 3. The reflective layer is a light reflecting piece, or the reflective layer is coated on the main body of the light guide plate or the fixed plate,
The illumination lamp according to any one of claims 1 to 4, wherein the gap member is a light uniform piece or at least one stopper. An illumination lamp including a fixed plate, a heat dissipation frame, a plurality of strip-shaped LED lamps, a power supply assembly, a light guide plate, a light reflecting piece, and a light uniform piece,
The fixing plate has a main body and a plurality of fixing pieces extending around the periphery of the main body,
The heat dissipating frame includes a plurality of heat dissipating frames whose edges are in contact with each other, and each of the plurality of heat dissipating frames includes a heat dissipating part, a stopper piece extending from the heat dissipating part, the heat dissipating part, and the stopper. A tub-like insertion space composed of a piece, and the heat radiating portion of the heat radiating frame is detachably fixed to the fixing piece of the fixing plate, and the stopper piece of the heat radiating frame is attached to the main body. In parallel with the heat-radiating part, it extends toward the body,
The plurality of strip-shaped LED lamps include a circuit board and a plurality of LEDs attached to the circuit board, and one end of the circuit board is inserted into the insertion space of the heat dissipation frame, With connecting parts on both sides of the other end,
The power supply assembly is disposed on an outer surface of the main body of the fixing plate, and is electrically connected to the connection portion of the circuit board of the plurality of strip-shaped LED lamps,
The light guide plate is disposed between an inner surface of the main body of the fixed plate and the stopper piece of the heat dissipation frame so that a side end thereof corresponds to the plurality of LEDs of the plurality of strip-shaped LED lamps.
The light reflecting piece is disposed between the light guide plate and the inner surface of the main body of the fixed plate,
The illumination lamp, wherein the uniform light piece is sandwiched between the light guide plate and the stopper piece of the heat dissipation frame. The stopper piece of the heat dissipation frame is provided with a positioning pin, and the insertion space is provided so as to be surrounded by the positioning pin and the heat dissipation portion of the heat dissipation frame,
The one end of the circuit board of the plurality of strip-shaped LED lamps is inserted and engaged with the insertion space of the heat dissipation frame, and the other end is on the heat dissipation portion of the heat dissipation frame. The heat dissipation portion of the heat dissipation frame is in contact with a surface of the circuit board of the plurality of strip-shaped LED lamps that is fixed and not provided with the plurality of LEDs. The lighting fixture described.   The illuminating lamp according to claim 6 or 7, wherein the heat radiating portion of the heat radiating frame is hollow and has a plurality of groove-like structures on an outer edge thereof. The power supply assembly includes at least one power supply device and a plurality of cables.
9. The cable according to claim 6, wherein the cable is electrically connected to the at least one power supply device and the connection portion of the circuit board of the plurality of strip-shaped LED lamps. Lighting fixtures described in 1. The power supply device is fixed to the outer surface of the main body of the fixing plate,
On the outer surface of the main body of the fixing plate, a plurality of convex columns provided with threads on the inner edge are projected,
The illumination lamp according to any one of claims 6 to 9, wherein the power supply device is screwed to the convex column by the screw thread provided on the inner edge of the convex column.

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