KR102178755B1 - Plane Lighting Device having Main Frame Structure Assembled by Corner Connecting Bracket - Google Patents

Abstract

According to the present invention, a surface light having a main body frame assembly structure by a corner connection bracket comprises: a main body frame (110) having an LED PCB (111) formed therein; a diffusion plate (120) placed on a placing unit (112) of the lower end of the main body frame (110); a bead-type reinforcing plate (130) made of an aluminum material to be formed in a grid structure by press forming, and provided with an LED PCB (111) fixed and formed thereon; a ceiling fixing bracket (140) integrally press-worked to be fixed on the main body frame (110); and a clip coupler (150) interposed between the main body frame (110) and an attaching clip (141) of both ends of the ceiling fixing bracket (140) to be coupled to the ceiling fixing bracket (140) by pressing the upper end in a one-touch attaching manner. The main body frame (110) is bent into an L-shape and is divided into four sub-frames (110A) finished by cutting both ends at a prescribed angle. The sub-frames (110A) are assembled on each other in a structure of touching each other at a prescribed angle by a corner connection bracket (115) bent and formed into a reverse L-shape. The main body frame (110) is easily assembled and firmly fixed to prevent separation.

Description

Plane Lighting Device having Main Frame Structure Assembled by Corner Connecting Bracket}

The present invention relates to a surface lighting provided with a body frame assembly structure using a corner connection bracket, and more particularly, a corner connection bracket that makes it easy to assemble the body frame while being firmly fixed to prevent mutual separation, It relates to a surface lighting provided with a body frame assembly structure by a corner connection bracket.

As is well known, LED (Light Emitting Diode) is low-power, high-brightness, eco-friendly, has good lifespan and durability, and is widely used as landscape lighting, advertisement lighting, or general ceiling lighting devices.

Usually, indoor LED surface lighting devices are composed of a main frame assembled with a diffusion plate and a sub-frame equipped with a diffusion plate, an LED driving board, and a ceiling fixing bracket, and are mainly installed on the ceiling to investigate the indoor space. During periods or long-term use, the diffuser plate that diffuses the light irradiated from the LED is shaken in the transverse direction and the illuminance is not uniform, or a safety accident may occur in which the light is separated and separated from the main frame in the transverse direction.

Accordingly, there is a need for a technology capable of performing assembly easily while firmly fixing the main frame divided into sub-frames so as to stably fix the diffusion plate to the main frame.

Korean Registered Patent Publication No. 1448587 (Diffusion plate fastening structure for LED lighting, 2014. 10. 01.) Korean Utility Model Publication No. 0486814 (LED lighting fixture with diffusion plate tension adjustment panel, 2018. 06. 27.) Korean Utility Model Publication No. 20-0469652 (Structure of corner reinforcement members for flat plate lighting, 2013.10.29)

The technical problem to be achieved by the spirit of the present invention is to make the assembly of the main body frame easy by the corner connecting brackets, while being firmly fixed to prevent mutual separation. To provide.

In order to achieve the above object, the present invention includes a rectangular body frame in which a plurality of LED PCB substrates are arranged inside; A diffusion plate mounted in a flat plate shape on a mounting portion extending inside the lower end of the body frame; An LED PCB board seated on the seating portion and stacked on the upper side of the diffusion plate, formed of an aluminum material and formed in an embossed or intaglio lattice structure by press molding, and an LED PCB substrate with a plurality of LEDs arranged on the lower surface is fixed in the inner space Formed bead-shaped reinforcing plate; A ceiling fixing bracket formed integrally in a bar shape across the top of the bead-type reinforcing plate and fixed to the body frame; And a clip fastener interposed between the detachable clips at both ends of the ceiling fixing bracket and the main body frame to be coupled by pressing the upper end of the ceiling fixing bracket in a one-touch detachable manner, wherein the body frame is formed by bending into a b-shape. It is divided into four sub-frames cut at a certain angle and finished at both ends, and each sub-frame is assembled to each other in a structure that abuts at a certain angle by a corner connecting bracket formed by bent in an a-shape. A bracket insertion groove having a first width in the longitudinal direction is formed in communication at the lower end of the corner, and both ends of the corner connection bracket are inserted into the corresponding bracket insertion grooves, respectively, and a serrated wedge formed on the side of the corner connection bracket. Provides a surface light having a body frame assembly structure by a corner connecting bracket, which is forcibly inserted and fixed in the bracket insertion groove by a piece.

Here, a clearance space may be formed on the top surface of the bracket insertion groove.

In addition, the wedge piece may be formed at both sides of the corner connection bracket, having a gentle tooth formation angle in the direction of insertion into the bracket insertion groove, and a rapid tooth formation angle in the withdrawal direction.

In addition, the wedge piece is composed of a first wedge formed on an inner surface of the corner connecting bracket, and a second wedge formed on an outer surface of the corner connecting bracket facing the first wedge, or the wedge piece is, It may be composed of a first wedge formed on the inner surface of the corner connection bracket, and a second wedge formed on the outer surface of the corner connection bracket deviating from the first wedge.

In addition, a tolerance groove may be recessed in an outer surface of the corner connecting bracket facing the first wedge.

In addition, the wedge piece may be formed to protrude from a side surface of the corner connection bracket, or may be formed to protrude by indenting a certain depth inward from the side surface.

In addition, one side of the clip fastener is inserted into a hook formed on the inner wall of the main body frame to be fastened and fixed, and the other side of the clip fastener is horizontally coupled to the bead-type reinforcing plate to a bolt fastener formed on the lower outer side of the body frame. The bead-type reinforcing plate may press the diffusion plate by an elastic force by bolting and fixing it through the bolt fastening hole of the plate.

In addition, an anti-slip pad layer may be laminated on the pressure-contact plate facing the diffusion plate.

Alternatively, a plurality of serrated or embossed stripes may be formed at the edge of the diffusion plate, and a plurality of serrated or embossed stripes may be formed correspondingly on the pressure-contact plate facing the stripes.

In addition, one side of the clip fastener may be formed in a shape of a hook fastening pin formed by bending in a U-shape, and the hook may be formed to be long so that the hook fastening pin is guided in a lateral direction to be inserted and fastened.

In addition, the bar-shaped LED PCB board is fixedly formed in the mounting groove formed in a bar shape by the grid structure of the bead-type reinforcing plate, or the flat-type LED on the lower plane of the grid structure of the bead-type reinforcing plate. The PCB substrate is fixedly formed, and the LED PCB substrate may be attached to and fixed to the grid structure of the bead-type reinforcing plate through a double-sided tape, an adhesive, or heat dissipating silicon.

In addition, the detachable clip includes a first guide piece extending in a vertical downward direction from both ends of the ceiling fixing bracket, a second guide piece extending in an inward diagonal direction from the first guide piece, and the second guide piece. A first connecting piece extending in a horizontal direction, a third guide piece symmetrically formed opposite to the second guide piece, a fourth guide piece symmetrically formed opposite the first guide piece, and the fourth guide A pressing piece extending in a horizontal direction from a piece, a pair of fastening pieces symmetrically extending in an outer diagonal direction from the first connecting piece and bent, and a pair of second fastening pieces symmetrically extending in an inward diagonal direction from the fastening piece Consisting symmetrically in the form of a pair of clips consisting of a connecting piece, a pair of facing fastening pieces are connected by the second connecting piece, and an insertion groove is opened at an upper end of the clip fastener, and the pressing piece or the By pressing both ends of the ceiling fixing bracket, it proceeds from the first connecting piece toward the top of the first guide piece and the fourth guide piece and is inserted into the insertion groove, and after insertion, the fastening piece expands outward by elastic force. , The detachable clip may be fixed to the insertion groove of the clip fastener.

According to the present invention, there is an effect of improving the durability of the main frame by preventing mutual separation by making it easy to assemble the main frame by using the corner connecting brackets and by firmly fixing them.

By using a bead-type reinforcing plate to make the surface lighting slim, the rim of the bead-type reinforcing plate is bolted to the main body frame, and the diffusion plate is pressed by elastic force to limit the lateral movement of the diffusion plate to prevent separation. There is an effect that can be done.

In addition, the bead-shaped reinforcement plate made of aluminum and formed in an embossed or intaglio lattice structure by press molding prevents the deformation of the LED PCB substrate and the body frame from bending, sagging, or twisting to increase durability. Accordingly, there is an effect of effectively dissipating heat generated from the LED PCB substrate, and further increasing heat dissipation efficiency by adding a heat dissipation groove or a heat dissipation fin.

Furthermore, the body frame can be easily attached and detached to the ceiling fixing bracket by the one-touch fastening structure of the detachable clip and the clip fastener, simplifying the ceiling installation work of the LED surface lighting, making it easy to assemble and detach, and the detachable clip It is formed integrally in the press step, thereby minimizing the number of related parts to increase durability, and to simplify the manufacturing process, thereby improving product yield.

1 is a perspective view of a surface light having a body frame assembly structure using a corner connecting bracket according to an embodiment of the present invention.
FIG. 2 is an exploded perspective view of a surface lighting provided with a body frame assembly structure using the corner connection bracket of FIG. 1.
FIG. 3 is a diagram illustrating a process of assembling a body frame of a surface light having a body frame assembly structure using the corner connection bracket of FIG. 1.
4 is a diagram showing the corner connection bracket of FIG. 3 separated.
5 illustrates an assembly structure of the body frame and the corner connection bracket of FIG. 1.
Various modifications of the corner connection bracket of FIG. 4 of FIGS. 6 and 7 are illustrated.
8 and 9 show the elastic assembly structure of the clip fastener of the surface light having the body frame assembly structure by the corner connection bracket of FIG.
10 to 12 show the clip fastening structure of the surface light having the body frame assembly structure by the corner connecting bracket of FIG. 1 of FIG.
13 illustrates a close contact structure between a bead-shaped reinforcing plate and a diffusion plate of a surface light having a main body frame assembly structure using the corner connection bracket of FIG. 1.
14 to 16 show a cross-sectional structure of a bead-type reinforcing plate of surface lighting having a main body frame assembly structure using the corner connection bracket of FIG. 1.
FIG. 17 is an exploded view showing the coupling structure of the ceiling fixing bracket of the surface lighting provided with the body frame assembly structure by the corner connection bracket of FIG. 1.
18 is a diagram illustrating various side structures of a main body frame of a surface light having a main body frame assembly structure using a corner connecting bracket of FIG. 1.

Hereinafter, embodiments of the present invention having the above-described features will be described in more detail with reference to the accompanying drawings.

The surface lighting provided with the body frame assembly structure by the corner connection bracket according to the embodiment of the present invention is, as a whole, the body frame 110 having the LED PCB board 111 formed therein, and the lower end of the body frame 110 The diffusion plate 120 seated on the seating part 112 and the bead-type reinforcing plate 130, which is made of aluminum and formed in a grid structure by press molding, and the LED PCB substrate 111 is fixedly formed, are pressed integrally. A ceiling fixing bracket 140 that is formed and fixed to the body frame 110, and the detachable clips 141 at both ends of the ceiling fixing bracket 140 and the body frame 110 are interposed between the ceiling fixing bracket 140 and Including a clip fastener 150 that is coupled by pressing the upper end in a one-touch detachable manner, the main frame 110 is formed by bent in a b-shape, and both ends are cut at a certain angle to be finished with four sub-frames (110A). Separately configured, each sub-frame (110A) is configured to be mutually assembled in a structure that abuts at a certain angle by a corner connecting bracket 115 formed by being bent in an a-shape, so as to make the assembly of the main frame 110 easy and securely fixed The point is to prevent mutual separation.

First, the main body frame 110, as shown in Figs. 1 and 2, is formed in a rectangular frame, and a plurality of LED PCB substrates 111 are arranged inside the main frame 110 to bead-shaped reinforcing plate ( 130) Bonding is formed at the bottom.

On the other hand, the main body frame 110, as shown in Figure 8, is composed of an aluminum material, formed by bending in a b-shape, and four sub-frames 110A finished by cutting both ends at a certain angle, for example, 45° ), and each sub-frame (110A) is assembled to each other in a structure that abuts at a certain angle by a corner connecting bracket 115 formed by bending in an a-shaped shape.

Here, the bracket insertion groove 116 of the first width in the longitudinal direction is formed in communication at the bottom corner of each sub-frame 110A, and both ends of the corner connecting bracket 115 are respectively in the corresponding bracket insertion groove 116 It is inserted and is forcibly inserted and fixed in the bracket insertion groove 116 by a serrated wedge piece 115a formed on the side of the corner connecting bracket 115.

In addition, a clearance space 117 is formed on the top surface of the bracket insertion groove 116, so that when the corner connection bracket 115 is forcibly inserted, the frictional area with the bracket insertion groove 116 can be reduced and easily inserted.

In addition, the wedge piece 115a, as shown in FIG. 10, has a gentle tooth formation angle in the direction of insertion into the bracket insertion groove 116, and a sharp tooth formation angle in the withdrawal direction, and the wedge piece 115a Is formed on one or both sides of the corner connection bracket 115, so that insertion into the bracket insertion groove 116 can be easily guided, and after insertion, the withdrawal or separation from the bracket insertion groove 116 is not easily allowed. I can.

Meanwhile, the wedge piece 115a includes a first wedge 115a-1 and a first wedge 115a formed on the inner surface of the corner connection bracket 115, as shown in FIGS. 9 and 6A. It may be composed of a second wedge (115a-2) formed on the outer surface of the corner connection bracket 115 deviated from -1).

Alternatively, the wedge piece 115a is a first wedge 115a-1 and a first wedge 115a-1 formed on the inner surface of the corner connection bracket 115, as shown in FIG. 6B. It may also be composed of a second wedge (115a-2) formed on the outer surface of the corner connection bracket 115 opposite to.

Here, a tolerance groove (115b) is indented on the outer surface of the corner connection bracket (115) facing the first wedge (115a-1), so that when the corner connection bracket (115) is forcibly inserted, the bracket insertion groove (116) and It can be easily inserted by reducing the frictional area. That is, if both sides of the corner connection bracket 115 are in contact with the inner side of the bracket insertion groove 116 at the same time, the insertion of the corner connection bracket 115 is not easy, so a clearance space is secured on one side of the corner connection bracket 115. Thus, it is possible to easily perform the assembly of the main frame 110.

In addition, the wedge piece 115a is formed protruding from the side of the corner connection bracket 115, as shown in (a) of FIG. 12, or, as shown in (b) of FIG. 12, from the side to the inside. It may be configured to be indented half deep to protrude, or as shown in (c) of FIG. 12, to be indented inward to a certain depth from the side to protrude only a part of the tip.

Next, the diffusion plate 120, as shown in Figs. 2, 9, 11 and 12, is formed in a flat plate shape to diffuse the light irradiated from the LED, and from the bottom of the main frame 110 to the inside. It is seated and fixed on the upper end of the extended plate-shaped seating portion 112.

Next, the bead-shaped reinforcing plate 130, as shown in Figs. 11 to 16, is made of an aluminum material having good thermal conductivity to achieve weight reduction, and is formed in an embossed or engraved lattice structure by press molding to a seating portion. Doedoe seated on (112), stacked on the upper side of the diffusion plate 120, while preventing deformation of the LED PCB substrate 111 and the body frame 110 bending, sagging or warping by a bead-shaped lattice structure, the bottom surface The LED PCB board 111 in which a plurality of LEDs are arranged is fixedly formed to radiate heat generated from the LED PCB board 111 to the outside.

Here, the rim 134 of the bead-shaped reinforcing plate 130 is bent in a U-shape, and a pressure contact plate 134a for tightly fixing the diffusion plate 120 to the seat 112, and a pressure contact plate 134a It is composed of a horizontal coupling plate (134b) that extends in the horizontal direction from and is compressed to the main body frame 110 by the clip fastener 150, the pressure contact plate (134a) presses the diffusion plate 120 by elastic force By limiting the movement of the diffusion plate 120 from the main frame 120, it is possible to prevent the diffusion plate 120 from being deviated in the lateral direction.

In addition, as shown in Figures 9 to 12, one side of the clip fastener 150 is inserted into the hook 113 formed on the inner wall of the body frame 120 is fastened and fixed, the clip fastener 150 The other side is a bolt through the bolt fastening hole 114 (see FIG. 9) of the horizontal coupling plate 134b of the bead-type reinforcing plate 130 in the bolt fastening hole 114 formed on the lower outer side of the main frame 110. By fastening and fixing, the bead-type reinforcing plate 130 may press the diffusion plate 120 by the elastic force of the pressure contact plate 134a.

For example, as shown enlarged in FIGS. 9 and 10, one side of the clip fastener 150 is formed in a shape of a hook fastening pin 152 formed by bending in a U shape, and the hook 113 is a hook fastening pin 152 ) Is formed long to be guided in the lateral direction to be inserted and fastened, and passing through the through hole 153 of the clip fastener 150 formed corresponding to the bolt fastener 114 from the top of the insertion groove 151, the bolt fastener ( The bolt 154 is bolted to 114, so that the clip fastener 150 and the bead-type reinforcing plate 130 can be fixed to the body frame 110.

In addition, as shown separately in (a) of FIG. 13, the anti-slip pad layer 134a-1 is laminated on the pressure-contact plate 134a facing the diffusion plate 120, so that the anti-slip pad layer 134a -1) By limiting the lateral sliding of the diffusion plate 120, it is possible to stably fix the diffusion plate 120 by preventing separation. Here, an additional anti-slip pad layer may be laminated on the diffusion plate 120 to face the anti-slip pad layer 134a-1.

Alternatively, as shown in (b) of FIG. 13, a plurality of serrated or embossed stripes 121 are formed at the edges of the diffusion plate 120, and a pressure contact plate 134a facing the stripes 121 ), a plurality of serrated or embossed stripes (134a-2) are formed correspondingly, so that the lateral sliding of the diffusion plate 120 is limited by the cross coupling of the stripes 121 and the stripes 134a-2. , It is possible to stably fix the diffusion plate 120 by preventing separation.

On the other hand, the bar-shaped LED PCB substrate 111 may be fixedly formed in the mounting groove 131 formed in a bar shape by the grating structure of the bead-type reinforcing plate 130.

Alternatively, although not shown, a flat LED PCB substrate is fixedly formed on the lower plane of the grid structure of the bead-type reinforcing plate 130, so that the heat dissipation structure by the space between the LED PCB substrate and the contact surface of the embossed or engraved grid structure You can also implement

In addition, the LED PCB substrate 111 may be attached to and fixed to the lattice structure of the bead-type reinforcing plate 130 through double-sided tape, adhesive, or heat dissipation silicon.

On the other hand, although not shown, a plurality of heat dissipation holes (not shown) are formed through the grid structure of the bead-type reinforcing plate 130 at regular intervals, so that it communicates with the LED PCB substrate 111 below, so that the LED PCB substrate ( Whether directly discharging the heat generated from 111) to the outside, a plurality of radiating fins (not shown) are formed on the top plane of the bead-type reinforcing plate 130 at regular intervals, thereby expanding the heat dissipation area to the LED PCB substrate 111 It can also effectively discharge the heat generated from the outside.

In addition, the bead-shaped reinforcing plate 130 may have a grid structure of various shapes in a circular, square or rectangular shape, and the LED PCB substrate may be formed in a circular, square or rectangular shape corresponding to the grid structure.

Next, the ceiling fixing bracket 140 is formed integrally in a bar shape across the top of the bead-type reinforcing plate 130 and fixed to the body frame 110.

In addition, detachable clips 141 are integrally extended at both ends of the ceiling fixing bracket 140, so that the insertion groove 151 of the clip fastener 150 and the one-touch detachable structure can be combined and separated.

Specifically, as shown in FIGS. 10 to 12, the detachable clip 141 includes a first guide piece 141a extending in a vertical direction downward from both ends of the ceiling fixing bracket 140, and a first guide piece ( A second guide piece 141b extending in the inward diagonal direction from 141a), a first connecting piece 141c extending in the horizontal direction from the second guide piece 141b, and a second connecting piece 141c. A third guide piece (141d) formed symmetrically to face the guide piece (141b), and a fourth guide piece (141e) formed symmetrically to face the first guide piece (141a) based on the first connecting piece (141c) ), and the pressing piece (141f) formed extending in the horizontal direction from the fourth guide piece (141e), and the second guide piece (141b) is spaced apart from the first connecting piece (141c) symmetrically extending in the outer diagonal direction and bent It is configured symmetrically in the form of a pair of clips consisting of a pair of fastening pieces 141g and a pair of second connecting pieces 141h symmetrically extending from the fastening piece 141g in an inward diagonal direction.

Here, a pair of facing fastening pieces (141g) are connected by a second connecting piece (141h), and referring to FIG. 12, a first connecting piece by pressing both ends of the pressing piece (141f) or the ceiling fixing bracket 140 From (141c) the first guide piece (141a) and the fourth guide piece (141e) proceed in the upper direction and are inserted into the insertion groove (151), and after insertion, the fastening piece (141g) is expanded outward by elastic force. , The detachable clip 141 may be fixed to the insertion groove 151 of the clip fastener 150.

In addition, by the separation of the second connection piece (141h) according to the expansion of the fastening piece (141g), the clip fastener 150 is in close contact with the lower end of the pressing piece (141f), minimizing the gap therebetween to minimize the main frame ( While fixing the 110) to the ceiling without lifting, it is possible to block the penetration of foreign substances into the body frame 110.

In addition, the fastening piece (141g) is formed to be relatively inclined to the outside than the second guide piece (141b) and the third guide piece (141d), the outer guide piece serves as a guide to the insertion groove (151) , The fastening piece (141g) acts as a spring compressing and expanding in the lateral direction based on the first connecting piece (141c), so that the body frame 110 may be stably fixed in close contact with the ceiling fixing bracket 140.

In addition, a recessed opening 142 is formed at the end of the ceiling fixing bracket 140, and a stopper piece 141f- guided by the opening 142 at one side of the pressing piece 141f facing the opening 142 1) is formed to extend in the horizontal direction, and a support piece (141f-2) that is bent and extended to the bottom of the stopper piece (141f-1) is formed to support the protruding piece (141f-3) in which the opening 142 is formed. have.

That is, when the pressing piece 141f is pressed, the stopper piece 141f-1 is guided by the opening 142 to prevent the left and right twisting of the guide piece, and guided by the support piece 141f-2 to twist the guide piece up and down. Can be prevented.

On the other hand, in the ceiling fixing bracket 140, a bolt fastening hole 143 through which a ceiling fixing bolt (not shown) for fixing to the ceiling is inserted may be formed at various intervals and in various shapes.

Next, the clip fastener 150 is interposed between the detachable clip 141 at both ends of the ceiling fixing bracket 140 and the body frame 110, and is coupled by pressing the upper end of the ceiling fixing bracket 140 and one-touch detachable type. .

Meanwhile, as shown in FIG. 10, the length of the insertion groove 151 of the clip fastener 150 is formed to be longer than the width of the detachable clip 141, so that the detachable clip 141 along the insertion groove 151 It is configured to slide back and forth so that the fixed position of the ceiling of the main frame 110 may be varied according to the situation.

In addition, as shown in Figure 17, the ceiling fixing bracket 140 is formed in a pair facing the top of the bead-type reinforcing plate 130, a pair of ceiling fixing brackets 140 is a connection bracket 144 interposed therebetween ), the insertion fastening groove (144a) is formed at the lower ends of both ends of the connection bracket (144), and the insertion piece (145) inserted into the insertion fastening groove (144a) at the middle of the ceiling fixing bracket (140) Since the extension is formed, the ceiling fixing bracket 140 can be easily assembled by the insertion fastening of the insertion fastening groove 144a and the insertion piece 145.

On the other hand, FIG. 18 is a diagram illustrating various side structures of a body frame of a face-illuminated body having a body frame assembly structure by the corner connection bracket of FIG. 1, and shows various compression-molded cross-sectional structures of the body frame 110. .

For example, the corners of the main frame 110 are formed by bent at a right angle (a), the corners are chamfered to form a chamfer (b), the corners are smoothly rounded (c,d), or the corners are smoothly rounded. It is formed and the aesthetically uneven portion (A) is formed on the side surface and the bottom surface of the body frame 110 (e), or the lower surface of the body frame 110 is aesthetically multi-stage (B) can be stepped (f).

That is, the main frame 110 may be formed by extrusion molding in various shapes according to the installation environment or the preference of the consumer.

Therefore, by the configuration of the surface lighting provided with the body frame assembly structure by the corner connection brackets as described above, the body frame is securely fixed while making it easy to assemble the body frame by the corner connection brackets to prevent mutual separation, The durability of the bead-type reinforcement plate can be improved, and the rim of the bead-type reinforcement plate is bolted to the main body frame by bolting the edge of the bead-type reinforcement plate to make the surface lighting slim. It prevents deviation by restricting direction movement, and prevents deformation of the LED PCB board and body frame from bending, sagging, or twisting by a bead-shaped reinforcement plate made of aluminum and formed in an embossed or engraved grid structure by press molding. This increases durability, effectively dissipates heat generated from the LED PCB substrate by the grating groove, and further increases the heat dissipation efficiency by adding a radiating groove or a radiating fin.

The embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention, and do not represent all the technical spirit of the present invention, so various equivalents that can replace them at the time of the present application It should be understood that there may be water and variations.

110: main frame 110A: sub frame
111: LED PCB board 112: mounting portion
113: hook 114: bolt fastener
115: corner connection bracket 115a: wedge piece
115a-1: first wedge 115a-2: second wedge
115b: tolerance groove 116: bracket insertion groove
117: free space 120: diffusion plate
130: bead type reinforcement plate 131: mounting groove
134: frame 134a: pressure contact plate
134b: horizontal coupling plate 140: ceiling fixing bracket
141: detachable clip 142: opening
143: bolt fastener 144: connection bracket
145: insertion piece 150: clip fastener
151: insertion groove 152: hook fastening pin
153: through hole 154: bolt

Claims (13)

A rectangular body frame in which a plurality of LED PCB substrates are arranged inside;
A diffusion plate mounted in a flat plate shape on a mounting portion extending inside the lower end of the body frame;
An LED PCB board seated on the seating portion and stacked on the upper side of the diffusion plate, formed of an aluminum material and formed in an embossed or intaglio lattice structure by press molding, and an LED PCB substrate with a plurality of LEDs arranged on the lower surface is fixed in the inner space. Formed bead-shaped reinforcing plate;
A ceiling fixing bracket formed integrally in a bar shape across the top of the bead-type reinforcing plate and fixed to the body frame; And
Includes; a clip fastener interposed between the detachable clips at both ends of the ceiling fixing bracket and the main body frame by pressing the upper end of the ceiling fixing bracket and the one-touch detachable type;
The body frame is formed by bending in a b-shape, and consists of four sub-frames that are cut at a certain angle and finished at both ends, and each sub-frame is a structure that is abutted at a certain angle by a corner connecting bracket formed by bent in an a-shape. Is composed of mutually assembled,
Bracket insertion grooves having a first width in the longitudinal direction are formed in communication at the bottom corners of each of the sub-frames, and both ends of the corner connection brackets are inserted into the corresponding bracket insertion grooves, respectively, and formed on the side surfaces of the corner connection brackets. It is forcibly inserted and fixed in the bracket insertion groove by a serrated wedge piece,
The rim of the bead-shaped reinforcing plate is bent in a U-shape to closely fix the diffusion plate to the seating portion, and a pressure bonding plate extending horizontally from the pressure bonding plate to the main body frame by the clip fastener. Consisting of a horizontal coupling plate to be compressed, wherein the pressure contact plate presses the diffusion plate by an elastic force to prevent separation of the diffusion plate from the main frame,
Surface lighting with body frame assembly structure by corner connection bracket.
The method of claim 1,
Surface lighting having a main body frame assembly structure by corner connection bracket, characterized in that a free space is formed on the upper surface of the bracket insertion groove.
The method of claim 1,
The wedge piece is characterized in that the tooth formation angle is gentle in the inlet direction into the bracket insertion groove, the tooth formation angle is rapid in the withdrawal direction, and is formed on both sides of the corner connection bracket. Surface lighting with body frame assembly structure.
The method of claim 3,
The wedge piece is composed of a first wedge formed on an inner surface of the corner connecting bracket, and a second wedge formed on an outer surface of the corner connecting bracket facing the first wedge, or
The wedge piece, characterized in that consisting of a first wedge formed on the inner surface of the corner connection bracket, and a second wedge formed on the outer surface of the corner connection bracket deviating from the first wedge, Surface lighting with body frame assembly structure.
The method of claim 4,
A surface lighting having a body frame assembly structure by a corner connection bracket, characterized in that a tolerance groove is formed in the outer surface of the corner connection bracket facing the first wedge.
The method of claim 1,
The wedge piece is formed to protrude from a side surface of the corner connection bracket, or is formed to protrude by indenting a certain depth from the side to the inside, a surface light having a body frame assembly structure by a corner connection bracket.
delete The method of claim 1,
One side of the clip fastener is inserted into a hook formed on the inner wall of the body frame to be fastened, and the other side of the clip fastener is attached to a bolt fastener formed on the lower outer side of the body frame. A surface light having a body frame assembly structure using a corner connecting bracket, characterized in that the bead-type reinforcing plate presses the diffusion plate by an elastic force by bolting and fixing it through a bolt fastening hole.
The method of claim 8,
Surface lighting having a body frame assembly structure using a corner connecting bracket, characterized in that the slip prevention pad layer is laminated on the pressure contact plate facing the diffusion plate.
The method of claim 8,
Corner connection, characterized in that a plurality of serrated or embossed stripes are formed at the edges of the diffusion plate, and a plurality of serrated or embossed stripes are formed correspondingly on the pressure contact plate opposite the stripes. Surface lighting with body frame assembly structure by bracket.
The method of claim 8,
One side of the clip fastener is formed in a shape of a hook fastening pin formed by bent in a C-shape, and the hook is formed long so that the hook fastening pin is guided in the lateral direction to be inserted and fastened, the main body by a corner connecting bracket Surface lighting with frame assembly structure.
The method of claim 8,
The LED PCB substrate of the bar shape is fixedly formed in the mounting groove formed in the bar shape by the grid structure of the bead-type reinforcing plate, or the LED PCB substrate in the flat shape on the lower plane of the grid structure of the bead-type reinforcing plate Is fixedly formed,
The LED PCB board is a surface lighting having a body frame assembly structure by a corner connection bracket, characterized in that it is attached to and fixed to the grid structure of the bead-type reinforcing plate through double-sided tape, adhesive or heat dissipation silicon.
The method of claim 1,
The detachable clip includes a first guide piece extending vertically downward from both ends of the ceiling fixing bracket, a second guide piece extending in an inward diagonal direction from the first guide piece, and a horizontal direction from the second guide piece. From the first connecting piece extending in a direction, the third guide piece symmetrically formed opposite to the second guide piece, the fourth guide piece symmetrically formed opposite the first guide piece, and the fourth guide piece A pressing piece extending in the horizontal direction, a pair of fastening pieces symmetrically extending and bent in an outer diagonal direction from the first connecting piece, and a pair of second connecting pieces symmetrically extending in an inward diagonal direction from the fastening piece. It is configured symmetrically in the form of a pair of clips, and a pair of facing fastening pieces are connected by the second connecting piece,
An insertion groove is opened at an upper end of the clip fastener to be formed,
By pressing the pressing piece or both ends of the ceiling fixing bracket, the first connecting piece proceeds toward the top of the first guide piece and the fourth guide piece and is inserted into the insertion groove, and after insertion, the fastening piece goes outward. Surface lighting having a body frame assembly structure by a corner connection bracket, characterized in that the expansion by the elastic force, the detachable clip is fixed to the insertion groove of the clip fastener.

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