KR102350262B1 - Plane Lighting Device having Bead-type Reinforcing Structure and Heat Radiating Structure - Google Patents

Abstract

The present invention is a bead-type reinforcement in which a body frame 110 having an LED PCB substrate 111 formed therein, a diffusion plate 120 seated on the lower end of the body frame 110, and an LED PCB substrate 111 are fixedly formed. Between the plate 130, the ceiling fixing bracket 140, which is integrally press-processed 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 It includes a clip fastener 150 that is interposed and coupled by pressing the upper end in a one-touch detachable manner with the ceiling fixing bracket 140, but the bead-type reinforcing plate 130 is made of an aluminum material and is embossed or engraved lattice by press molding. A bead-type reinforcement structure and Disclosed is a surface illumination having a heat dissipation structure.

Description

Plane Lighting Device having Bead-type Reinforcing Structure and Heat Radiating Structure

The present invention relates to a surface lighting having a bead-type reinforcing structure and a heat dissipation structure, and more particularly, by a bead-type reinforcing plate formed in a grid structure by press molding, bending, sagging or warping of an LED PCB substrate and a body frame It relates to a surface lighting having a bead-type reinforcing structure and a heat dissipation structure, which can prevent deformation of , increase durability, and effectively dissipate heat generated from an LED PCB substrate by a lattice groove.

In general, indoor LED surface lighting devices are mainly installed on the ceiling to irradiate the indoor space, and when installed, the surface lighting is bent or twisted, so that the lighting quality is deteriorated and the illuminance is not uniform. As a prior art to solve this, , Korean Utility Model Publication No. 20-0469652 is disclosed.

For example, in the conventional structure of a corner reinforcing member for flat panel lighting, a point at which two extruded guide members for self-assembly for flat panel lighting meet at right angles is a reinforcing plate formed in a rectangular flat shape in the corner region of the upper surface. Including, in the reinforcing plate, convexly protruding upward by the length of the hypotenuse of the right-angled plate, formed parallel to the hypotenuse on the reinforcing plate, and then symmetrically based on the central vertex of the right-angled plate at both ends of the hypotenuse The first reinforcing bead convexly protruding to extend by a length after being bent into a shape symmetrical to each other by a preset angle is formed, thereby preventing the deterioration of the uniformity and stability of illumination due to distortion of the flat light.

However, there is a limitation in increasing the reinforcing strength by installing the reinforcing plate only in the corner, and by the additional configuration of a separate reinforcing plate, there is a problem in that it acts as an element impeding the heat dissipation of the heat generated from the flat lighting.

Korean Utility Model Publication No. 20-0469652 (Structure of corner reinforcement for flat panel lighting, October 29, 2013)

The technical problem to be achieved by the spirit of the present invention is to increase durability by preventing the deformation of the LED PCB substrate and the body frame from bending, sagging or twisting by the bead-type reinforcement plate formed in a grid structure, and the LED PCB substrate by the grid groove An object of the present invention is to provide a surface light having a bead-type reinforcing structure and a heat dissipating structure capable of effectively dissipating heat generated from the light source.

In order to achieve the above object, the present invention, a rectangular body frame in which a plurality of LED PCB substrates are arranged on the inside; a diffusion plate seated in a flat plate shape on a seating portion extending inwardly from a lower end of the body frame; a bead-type reinforcing plate seated on the seating portion and stacked on the upper side of the diffusion plate, the LED PCB substrate having a plurality of LEDs arranged thereon is fixedly formed thereon; a ceiling fixing bracket that is integrally press-formed 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 body frame and coupled to the ceiling fixing bracket by pressing the upper end in a one-touch and detachable manner. It is formed into an embossed or engraved lattice structure by press molding to prevent deformation of the LED PCB substrate and to radiate heat from the LED PCB substrate.

Here, the LED PCB substrate in the bar shape may be fixedly formed in the mounting groove formed in the bar shape by the lattice structure of the bead type reinforcing plate.

In addition, the LED PCB substrate in the form of a flat plate may be fixedly formed on the lower plane of the grid structure of the bead-type reinforcing plate.

In addition, the LED PCB substrate can be fixed by being attached to the grid structure of the bead-type reinforcing plate through double-sided tape, adhesive or heat dissipation silicone.

In addition, a plurality of heat dissipation holes may be formed through the grid structure of the bead-type reinforcing plate at predetermined intervals, or a plurality of heat dissipation fins may be formed at predetermined intervals on the upper plane of the bead-type reinforcing plate.

In addition, a grid structure of a circular, square or rectangular shape is formed on the bead-type reinforcing plate, and the LED PCB substrate may be formed corresponding to the grid structure.

In addition, 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 from the second guide piece. A first connecting piece extending in the horizontal direction, a third guide piece symmetrically formed to face the second guide piece, a fourth guide piece formed symmetrically to face the first guide piece, and the fourth guide piece A pressing piece extending in the horizontal direction from the piece, a pair of fastening pieces bent by extending symmetrically from the first connecting piece in an outer oblique direction, and a pair of second symmetrically extending in an inner oblique direction from the fastening piece It is configured symmetrically in the form of a pair of clips consisting of a connecting piece, wherein a pair of opposing fastening pieces are connected to the second connecting piece, and an insertion groove is opened at an upper end of the clip fastening member, and the pressing piece or the By the pressurization of both ends of the ceiling fixing bracket, the first and fourth guide pieces advance from the first connecting piece to the upper end direction and are inserted into the insertion groove, and after insertion, the fastening piece is expanded outward by an elastic force. , the detachable clip may be fixed to the insertion groove of the clip fastener.

According to the present invention, the bead-type reinforcing plate composed of an aluminum material and formed in a embossed or engraved grid structure by press molding prevents bending, sagging or distortion of the LED PCB substrate and the body frame to increase durability, There is an effect of effectively dissipating heat generated from the LED PCB substrate by the lattice grooves, and further increasing the heat dissipation efficiency by additionally configuring the heat dissipation grooves or heat dissipation fins.

In addition, the body frame can be easily attached to and detached from 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 light, making it easy to assemble and disassemble, and press the detachable clip It has the effect of improving durability by minimizing the number of related parts by forming it as an integral part in the step, and simplifying the manufacturing process to improve product yield.

1 is a perspective view of a surface illumination having a bead-type reinforcement structure and a heat dissipation structure according to an embodiment of the present invention.
FIG. 2 is an exploded perspective view of a surface lighting having a bead-type reinforcement structure and a heat dissipation structure of FIG. 1 .
3 and 5 show the cross-sectional structure of the bead-type reinforcing plate of the surface illumination having the bead-type reinforcing structure and the heat dissipation structure of FIG. 2 .
4 is a view showing the bottom structure of the bead-type reinforcing plate of the surface illumination having the bead-type reinforcing structure and the heat dissipation structure of FIG. 2 .
6 illustrates another example of the bead-type reinforcing plate of the surface illumination having the bead-type reinforcing structure and the heat dissipation structure of FIG. 2 .
7 to 9 show the cross-sectional structure of the surface illumination having the bead-type reinforcement structure and the heat dissipation structure of FIG. 1 .
10 and 11 are exploded perspective views of the surface lighting having the bead-type reinforcement structure and the heat dissipation structure of FIG. 1 .
12 is a separate view showing the clip coupling structure of the surface light having the bead-type reinforcement structure and the heat dissipation structure of FIG. 1 .
13 is a separate view illustrating the coupling structure of the ceiling fixing bracket of the surface lighting having the bead-type reinforcement structure and the heat dissipation structure of FIG. 1 .
14 and 15 illustrate a fastening structure of a clip fastener of a surface light having a bead-type reinforcement structure and a heat dissipation structure.
16 illustrates various side structures of the body frame of the surface lighting having the bead-type reinforcement structure and the heat dissipation structure of FIG. 1, respectively.

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

1 to 16, the surface lighting having a bead-type reinforcement structure and a heat dissipation structure according to an embodiment of the present invention, as a whole, a body frame 110 having an LED PCB substrate 111 formed therein, and the body The diffusion plate 120 seated on the lower end of the frame 110, the bead-type reinforcing plate 130 on which the LED PCB substrate 111 is fixedly formed, and the ceiling fixed to the body frame 110 by pressing integrally formed therein A clip fastener ( 150), but the bead-type reinforcing plate 130 is made of an aluminum material and is formed into an embossed or engraved lattice structure by press molding, and the LED PCB substrate 111 and the body frame 110 are bent, sag or The main point is to prevent distortion of distortion and to dissipate heat generated from the LED PCB substrate 111 .

First, the 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 body frame 110 to form a bead-type reinforcing plate ( 130) is formed at the bottom.

Next, the diffusion plate 120, as shown in enlarged view in FIGS. 1 and 2, is formed in a flat plate shape to diffuse the light irradiated from the LED, and has a flat plate shape extending inward from the lower end of the body frame 110. It is seated and fixed to the seating part 112 .

Next, the bead-type reinforcing plate 130, as shown in FIGS. 2 to 6, is made of an aluminum material with good thermal conductivity and is formed into a lattice structure of embossed or intaglio by press molding while realizing weight reduction, so that the seating part It is seated on the 112, and is laminated on the upper side of the diffusion plate 120, and by the bead-type lattice structure, the LED PCB substrate 111 and the body frame 110 are bent, deflected or distorted while preventing deformation, the lower surface The LED PCB substrate 111 on which a plurality of LEDs are arranged is fixedly formed to radiate heat generated from the LED PCB substrate 111 to the outside.

Here, referring to FIGS. 4 and 5 , the bar-shaped LED PCB substrate 111 may be fixedly formed in the mounting groove 131 indented in the bar shape by the grid structure of the bead-type reinforcing plate 130 . .

Alternatively, although not shown, a flat LED PCB substrate is fixedly formed on the bottom plane of the grid structure of the bead-type reinforcement 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 can also be implemented.

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

On the other hand, as shown in (a) of Figure 6, a plurality of heat dissipation holes 132 are formed through the grid structure of the bead-type reinforcing plate 130 at regular intervals, the LED PCB substrate 111 below and Through communication, heat generated from the LED PCB substrate 111 can be directly discharged to the outside.

Alternatively, as shown in (b) of FIG. 6 , a plurality of heat dissipation fins 133 are formed at regular intervals on the upper plane of the bead-type reinforcing plate 130 to expand the heat dissipation area to the LED PCB substrate 111 . The heat generated from the can be effectively discharged to the outside.

In addition, the bead-type reinforcing plate 130 may have a lattice 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 lattice structure.

Next, the ceiling fixing bracket 140 is integrally press-processed 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 formed at both ends of the ceiling fixing bracket 140 , and can be coupled and separated from the insertion groove 151 of the clip fastener 150 in a one-touch detachable structure.

Specifically, as shown in FIGS. 7 to 12 , the detachable clip 141 includes a first guide piece 141a extending downward from both ends of the ceiling fixing bracket 140 in a vertical direction, and a first guide piece ( A second guide piece 141b extending in an inward oblique direction from 141a), a first connecting piece 141c extending in a horizontal direction from the second guide piece 141b, and a second reference to the first connecting piece 141c A third guide piece 141d symmetrically formed to face the guide piece 141b, and a fourth guide piece 141e formed symmetrically to face the first guide piece 141a with respect to the first connection piece 141c ), a pressing piece 141f formed to extend in the horizontal direction from the fourth guide piece 141e, and a second guide piece 141b and spaced apart from the first connecting piece 141c symmetrically extending in the outer oblique direction and bent A pair of fastening pieces 141g and a pair of second connecting pieces 141h symmetrically extending in an inner diagonal direction from the fastening piece 141g are symmetrically configured in the form of a pair of clips.

Here, the opposing pair of fastening pieces 141g are connected by a second connecting piece 141h, and referring to FIG. 7 , by pressing both ends of the pressing piece 141f or the ceiling fixing bracket 140, the first connecting piece From (141c), the first guide piece (141a) and the fourth guide piece (141e) advance in the upper direction and are inserted into the insertion groove (151), and after insertion, the fastening piece (141g) is expanded outward by an elastic force, , the detachable clip 141 may be fixed to the insertion groove 151 of the clip fastener 150 .

In addition, by the spacing of the second connecting 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), to minimize the gap between the body frame ( While fixing 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 more inclined outwardly than the second guide piece 141b and the third guide piece 141d, and the outer guide piece serves as a guide to the insertion groove 151 and , the fastening piece 141g serves as a spring that compresses and expands in the lateral direction with respect to the first connecting piece 141c, so that the body frame 110 can be stably fixed in close contact with the ceiling fixing bracket 140 .

In addition, as shown in FIGS. 9 and 12, an opening 142 with a recessed opening is formed at the end of the ceiling fixing bracket 140, and an opening (141f) opposite to the opening 142 has an opening ( A stopper piece 141f-1 guided by 142 is formed to extend in the horizontal direction, and a support piece 141f-2 bent to the lower end of the stopper piece 141f-1 is formed to form an opening 142. The protrusion piece 141f-3 may be supported.

That is, when the pressing piece 141f is pressed, the stopper piece 141f-1 is guided by the opening 142 to prevent left and right twisting of the guide piece, and is guided by the support piece 141f-2 so that the guide piece is vertically twisted. can prevent

On the other hand, in the ceiling fixing bracket 140, a bolt fastener 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 clips 141 at both ends of the ceiling fixing bracket 140 and the body frame 110 and is coupled to the ceiling fixing bracket 140 by pressing the upper end in a one-touch detachable manner. .

On the other hand, as shown in FIG. 12 , 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 , and the detachable clip 141 along the insertion groove 151 . It is configured to slide back and forth so that the ceiling fixing position of the body frame 110 may be changed according to the situation.

In addition, as shown in FIG. 13 , the ceiling fixing bracket 140 is formed in a pair to face the upper end of the bead-type reinforcement plate 130 , and the pair of ceiling fixing brackets 140 is a connection bracket 144 interposed therebetween. ), the insertion fastening grooves 144a are formed at the lower ends of both ends of the connection bracket 144, and the insertion pieces 145 inserted into the insertion fastening grooves 144a at the middle of the ceiling fixing bracket 140 are Since the extension is formed, the ceiling fixing bracket 140 can be easily assembled by the insertion and fastening of the insertion fastening groove 144a and the insertion piece 145 .

In addition, as shown in FIGS. 14 and 15 , one side of the clip fastener 150 is formed in the shape of a hook fastening pin 152 formed by bending a U-shape, and the hook 113 is a hook fastening pin 152 . It is guided in the lateral direction and formed to be long to be inserted and fastened, and passes through the through hole 153 of the clip fastener 150 formed in correspondence with the bolt fastener 114 from the top of the insertion groove 151 to the bolt fastener 114. ) is bolted to the bolt 154 to fix the clip fastener 150 and the bead-type reinforcing plate 130 to the body frame 110 .

Accordingly, the diffusion plate 120 is closely fixed to the seating portion 112 of the body frame 111 by the elastic force of the bead-type reinforcing plate 130 , thereby preventing the diffusion plate 120 from sliding in the lateral direction.

In addition, as shown in FIGS. 8 and 9 , one side of the clip fastener 150 is fastened to a hook 113 formed on the inside of the body frame 110 , and the other side of the clip fastener 150 is the main body. While pressing the edge of the bead-type reinforcing plate 130 to the bolt fastener 114 formed at the lower edge of the frame 110, the bolts may be fastened to each other.

Meanwhile, FIG. 16 exemplifies various side structures of the body frame of the surface lighting having the bead-type reinforcement structure and the heat dissipation structure of FIG. 1 , and shows various compression molding cross-sectional structures of the body frame 110 .

For example, the corner of the body frame 110 is formed by bending at a right angle (a), the corner is chamfered to form a chamfer (b), the corner is smoothly rounded (c, d), or the corner is smoothly rounded Formed and aesthetically concave-convex portions (A) are formed on the side and bottom surfaces of the body frame 110 (e), or the lower surface of the body frame 110 may be aesthetically multi-staged (B) and stepped (f).

That is, the body frame 110 may be formed by extrusion molding into various shapes according to the installation environment or the preference of consumers.

Therefore, by the configuration of the surface lighting having the bead-type reinforcing structure and the heat dissipation structure as described above, the bead-type reinforcing plate formed of an embossed or engraved lattice structure by press molding made of an aluminum material, LED PCB substrate And it increases durability by preventing bending, sagging or distortion of the body frame, effectively dissipating heat generated from the LED PCB substrate by the lattice grooves, and additionally configuring heat dissipation grooves or heat dissipation fins to further increase the heat dissipation efficiency.

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

110: body frame 111: LED PCB board
112: seating part 113: hook
114: bolt fastener 120: diffuser plate
130: bead-type reinforcement plate 131: mounting groove
132: heat dissipation hole 133: heat dissipation fin
140: ceiling fixing bracket
141: removable clip 142: opening
143: bolt fastener 144: connection bracket
145: insertion piece 150: clip fastener
151: insertion groove

Claims (7)

A rectangular body frame in which a plurality of LED PCB boards are arranged inside;
a diffusion plate mounted in a flat plate shape on a seating portion extending inwardly from a lower end of the body frame;
a bead-type reinforcing plate seated on the seating portion and stacked on the upper side of the diffusion plate, the LED PCB substrate having a plurality of LEDs arranged thereon is fixedly formed thereon;
a ceiling fixing bracket that is integrally press-processed 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 body frame and coupled to the ceiling fixing bracket in a one-touch and detachable manner; including,
The bead-type reinforcing plate is made of an aluminum material and is formed in an embossed or engraved lattice structure by press molding to prevent deformation of the LED PCB substrate and radiate heat to the LED PCB substrate,
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. a first connecting piece extending from A pressing piece extending in the horizontal direction, a pair of fastening pieces bent by extending symmetrically from the first connecting piece in an outer oblique direction, and a pair of second connecting pieces extending symmetrically in an inner oblique direction from the fastening piece It is configured symmetrically in the form of a pair of clips, wherein a pair of opposite fastening pieces are connected by the second connecting piece,
An insertion groove is formed in the upper end of the clip fastener,
By the pressing of both ends of the pressing piece or the ceiling fixing bracket, the first and fourth guide pieces from the first connection piece are advanced toward the upper end and are inserted into the insertion groove, and after insertion, the fastening piece is moved outward. A surface light having a bead-type reinforcing structure and a heat dissipation structure, characterized in that it is expanded by an elastic force, and the detachable clip is fixed to the insertion groove of the clip fastener.
According to claim 1,
Surface lighting having a bead-type reinforcement structure and a heat dissipation structure, characterized in that the bar-shaped LED PCB substrate is fixedly formed in a mounting groove indented in a bar shape by the grid structure of the bead-type reinforcement plate.
According to claim 1,
A surface lighting having a bead-type reinforcement structure and a heat dissipation structure, characterized in that the LED PCB substrate in a flat shape is fixed to the lower plane of the grid structure of the bead-type reinforcement plate.
4. The method of claim 2 or 3,
The LED PCB substrate is a surface light having a bead-type reinforcement structure and a heat dissipation structure, characterized in that it is attached to and fixed to the grid structure of the bead-type reinforcement plate through double-sided tape, adhesive or heat dissipation silicone.
5. The method of claim 4,
In the lattice structure of the bead-type reinforcing plate, a plurality of heat dissipation holes are formed at regular intervals, or
A surface light having a bead-type reinforcing structure and a heat-dissipating structure, characterized in that a plurality of heat dissipation fins are formed at regular intervals on the upper plane of the bead-type reinforcing plate.
5. The method of claim 4,
A surface light having a bead-type reinforcing structure and a heat dissipation structure, characterized in that the bead-type reinforcing plate has a grid structure of a circular, square or rectangular shape, and the LED PCB substrate is formed corresponding to the grid structure.
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