WO2012030023A1

WO2012030023A1 - Led lighting device

Info

Publication number: WO2012030023A1
Application number: PCT/KR2010/008780
Authority: WO
Inventors: 안정수; 신용호; 경여수; 김기원
Original assignee: (주)중앙엔룩스
Priority date: 2010-09-01
Filing date: 2010-12-09
Publication date: 2012-03-08

Abstract

The present invention relates to an LED lighting device that places electric circuits and devices having shorter lifespan than an LED inside a circuit case, the circuit case which is coupled thereto in an attachable/detachable manner, thereby enabling easy replacement and repair of components.

Description

LED lighting device

The present invention relates to a LED lighting device that is coupled to the detachable circuit module including the electronic circuit and the element to facilitate replacement and repair of the circuit module.

Lighting is a device that emits light by converting electrical energy into light energy. Especially, LED lighting saves energy resources because of low power consumption, and emits less waste such as mercury and greenhouse gases (CO ₂ ) Due to the reduced operating costs, it is being spotlighted as a next-generation lighting that replaces the demand for incandescent and fluorescent lamps.

Such an LED lighting device is typically provided with an LED module that emits light, a cover installed outside the LED module to protect the LED module and diffusing light, a circuit board on which the LED module is mounted by printing a circuit, and an LED inside the LED module. A housing that houses the module and the circuit board and covers the front, a heat sink that dissipates heat generated by the light emission of the LED module, and a converter that converts AC 220V power into DC 12V or DC 24V and supplies it to the LED module. It consists of a circuit module consisting of an electronic circuit and a device.

In addition, the circuit module is usually composed of IC integrated circuit, and because the configuration is complicated, it is installed at the rear of the case so as not to be exposed to people in consideration of aesthetics.

LED light is composed of high brightness and low power consumption and long life compared to incandescent and fluorescent lamps. However, LED lighting supplies power to LED modules and turns on and blinks of LED modules. Replacements are frequently made because electrical and electronic components for the battery have a much shorter lifespan than the LED or LED module.

In addition, since the LED lighting is usually installed behind the case, to check the equipment and replace the circuit module in case of failure, the LED lighting must be dismantled after dismantling from the installed wall and the work time is delayed, and the work process is cumbersome. Is generated.

BRIEF DESCRIPTION OF THE DRAWINGS It is sectional drawing explaining the whole structure of Unexamined-Japanese-Patent No. 2010-82411 (the name of the invention: the fastening structure of LED downlight luminaire).

As shown in FIG. 1, the conventional LED luminaire 200 includes a heat sink & fixture part 201; A power supply unit (PSU) 203 inserted into the heat cooling fixing unit 201 and supplying operating power of the LED lighting device; An LED PCP assembly (LED Printed Circuit Package Assembly) 202 installed in close contact with the heat cooling fixing unit 201 and including a circuit for controlling power and flashing operation of the LED lighting device; A reflector (206) for reflecting an LED light source emitted from the LED PCP assembly (202); A diffuser plate 205 for diffusing the light source passing through the reflector 206 to diffuse in the scanning direction.

In addition, an LED is installed on the lower surface of the LED PCP assembly 202 to emit light, and a power supply unit 203 is installed in close contact with the upper inside of the heat cooling fixing part 201 to supply LED power.

Conventional LED luminaire 200 configured as described above is used in a variety of spaces, such as offices or buildings due to the advantage that the high brightness of the light emitted compared to incandescent, fluorescent, low power consumption, long life.

However, in the conventional LED lamp 200, since the power supply unit 203 having a relatively short life compared to the LED is installed on the upper part of the heat cooling fixing unit 201, when the inspection and failure of the LED lamp 200 from the wall installed After the separation, the replacement work must be made again to separate the power supply unit 203 from the heat-cooling fixing part 101, which is not only cumbersome, but also a lot of trouble to the user because the work time is set aside.

The present invention has been made to solve this problem, and the circuit case in which the electric circuit and the element are installed is detachably coupled so that only the circuit case is removed by removing the LED lighting device from the installed wall when checking and replacing parts. And it is to provide an LED lighting device that is easy to replace the device.

Solution to Problem The present invention for solving the above problems is the case body; A circuit board installed inside the case body and having light sources emitting light to the front of the case body; And a circuit case installed to face the front surface vertically to the circuit board and having a power circuit for supplying power to the light sources therein, wherein the circuit case is detachable from the case body.

In addition, another solution of the present invention is the case body; A circuit board installed inside the case body and having light sources emitting light to the front of the case body; It includes a circuit case detachable to any one of the case body or the circuit board, the circuit case is installed to face the front surface perpendicular to the circuit board and a power circuit for supplying power to the light sources therein.

In the present invention, the light source is preferably an LED.

In addition, in the present invention, the case body has a heat dissipation unit which is installed on the rear of the circuit board, the power supply circuit of the circuit case through the bushing formed in the center of the heat dissipation unit is connected to the lead, the circuit case is It is preferable to be inserted through the through-hole formed in the center of the circuit board and to be attached to and detached from the heat dissipation unit.

In addition, in the present invention, the heat dissipation portion is formed with two arc-shaped cutouts centered on the bushing, the cutouts are preferably made of a wide cutout and a narrow cutout extending to the wide cutout.

In addition, in the present invention, the circuit case is formed in a cylindrical shape, but two end portions are bent outwardly are formed with two symmetrical centers of the circuit case, the circuit case is coupled to the heat dissipation portion when the engaging portion is cut wide Passed through the portion is preferably rotated and coupled to the narrow incision.

In addition, another solution of the present invention is a housing cover; A circuit board installed in the housing cover and having light sources emitting light to the front of the housing cover; A circuit case installed vertically to the housing cover and having a power circuit installed therein to supply power to the light sources, wherein the circuit case is detachably coupled to the housing cover.

In addition, another solution of the present invention is a housing cover; A circuit board installed in the housing cover and having light sources emitting light to the front of the housing cover; It includes a circuit case detachable to any one of the housing cover or the circuit board, is installed perpendicular to the circuit board, the power supply circuit for supplying power to the light sources therein.

In the present invention, the light source is preferably an LED.

In addition, in the present invention, the circuit case is preferably protruded from the circuit board when coupled to the housing cover.

In addition, in the present invention, the circuit case is inserted through the through groove formed in the circuit board is preferably coupled to the housing cover detachably.

In the present invention, at least one through hole is formed on one surface of the housing cover to which the circuit case is coupled, and an electric wire is inserted into and connected to the power circuit of the circuit case through the through hole of the housing cover.

In addition, in the present invention, one side of the housing cover is formed with a case connecting portion protruding from the one surface, the case connecting portion is formed in a columnar shape having a space formed therein the front opening, the inner space of the case connecting portion of the housing cover It is preferably connected to the through hole, the inner peripheral surface is formed with a screw groove.

In addition, in the present invention, the circuit case is made of a polygonal column shape, but the outer peripheral surface is formed with a screw thread is preferably coupled to the screw groove of the case connection part is rotated when the screw thread is coupled to the housing cover.

According to the present invention having the above problems and solutions, a circuit case in which electrical circuits and elements with shorter lifespans than LEDs are installed is detachably coupled from the LED lighting device to facilitate component replacement and repair.

2 is an overall perspective view showing an LED luminaire that is an embodiment of the present invention.

3 is an exploded perspective view of FIG. 2.

Figure 4 is a perspective view showing the configuration of a circuit case in an embodiment of the present invention.

5 is a plan view illustrating a configuration of a heat dissipation unit coupled to a circuit case of the present invention.

6 is a perspective view showing another embodiment of the LED flat light of the present invention.

7 is an exploded perspective view of FIG. 6.

8 is a perspective view illustrating the circuit case of FIG. 6.

9 is a cross-sectional view of FIG. 8.

FIG. 10 is a perspective view illustrating the housing cover of FIG. 6. FIG.

FIG. 11 is a cross-sectional view of FIG. 10.

12 is a perspective view illustrating the LED substrate of FIG. 6.

FIG. 13 is a perspective view illustrating the cover of FIG. 6. FIG.

Hereinafter, an embodiment of the present invention according to the accompanying drawings will be described in detail.

2 is an overall perspective view showing an LED luminaire of an embodiment of the present invention, Figure 3 is an exploded perspective view of FIG.

2 is an LED luminaire 1 according to an embodiment of the present invention, the LED luminaire 1 is provided with a heat dissipation unit 5 at the rear of the case body 3, and penetrates centrally in the case body 3. The LED board 7 with the ball is installed, the LEDs 71 are installed on the front surface of the LED board 7, and the heat dissipation after the circuit case 4 is inserted through the through-hole formed in the center of the LED board 7 It attaches and detaches to the part 5.

The case body (3) consists of a front ring (31) and a rear ring (33), connecting plates (32), (34) for connecting them, and the rear ring (33) has a disk-shaped fixing plate having a through hole in the center ( 35 is installed, the heat dissipation unit 5 is installed on the rear surface of the fixing plate 35, and the LED substrate 7 is installed on the front surface.

In addition, the front plate 31 of the case body 3 is provided with a diffusion plate mounting hole (9). Diffusion plate mounting portion 9 is made of a cylindrical shape having a front end extended portion 91 is extended to the outside, the spring 91, 92 'can be inserted into the rear of the expansion portion 91 Insertion grooves are formed to protrude, the inside of the cylindrical shape has a round jaw, the diffuser plate 8 is formed in the through hole formed in the center of the round jaw is seated.

In addition, a cylindrical reflector 6 is installed inside the

connection plates

32 and 34 of the case body 3 to reflect light of the LED 71.

In addition, the springs 92 and 92 'are U-shaped and are installed to elastically support the outer circumferential surface of the reflecting plate 6 inserted inward.

Center through holes are formed in the diffusion plate 8, the LED substrate 7, and the fixing plate 35, and the circuit case 4 having a cylindrical shape is inserted into the center through holes to be attached to and detached from the heat dissipation part 5. The

circuit boards

41 and 43 are provided inside the circuit case 4, and the electronic circuits are mounted on the

circuit boards

41 and 43.

In addition, the heat dissipation unit 5 is provided with a terminal block 53 is fixed to the wire flowing through the bellows 51, the wire drawn out from the terminal block 53 is a bushing installed in the through hole formed in the center of the heat dissipation unit 5 It is connected to the board | substrate terminal block (not shown) provided in the inside of the circuit case 4 via 55, and operates the circuit provided in the

circuit board

41,43. In addition, the circuits installed on the

circuit boards

41 and 43 vary the incoming AC power source to a DC of an appropriate voltage so that the LEDs installed on the LED board 7 can operate. Supplies).

Figure 4 is a perspective view showing the configuration of a circuit case in an embodiment of the present invention, Figure 5 is a plan view illustrating the configuration of the heat dissipation unit coupled to the circuit case of the present invention.

The circuit case 4 has a cylindrical shape in which the front surface is blocked, and a protruding jaw 42 is formed on the outer circumferential surface of the portion adjacent to the front surface so as to be caught by the diffusion plate 8, and at the rear end, Inserted into the arc-shaped

wide cuts

54, 54 ′, and the hook portion that spans the

narrow cuts

55, 55 ′ is bent outward when rotated along the

narrow cuts

55, 55 ′. .

The heat dissipation part 5 has two arc-shaped cutouts formed in a symmetrical shape around the center bushing 57, and each cutout is formed with wide cutouts 54 and 54 ', and a wide cutout 54 ), The narrow incisions 55 and 55 'extending from 54' are formed.

When the circuit case 4 is attached to the heat dissipation part 5, the hook parts 213 and 215 of the circuit case 4 are inserted into the

wide cut parts

54 and 54 ′, and then the narrow cut parts are inserted. Rotation along (55) and (55 ') prevents the hook portion from being separated from the narrow cutouts (55) and (55'). In the case of detachment, rotation is reversed so that the hook portion is pulled out by the wide cut portions 54 and 54 '.

In addition, the heat dissipation unit 5 is installed so that the two

installation clips

81, 83 are elastic by the spring is configured to be fixed to the wall.

As described above, the LED luminaire 1 according to the embodiment of the present invention has a heat dissipation part 5 installed at the rear of the case body 3, an LED substrate 7 is installed at the front of the heat dissipation part 5, and an LED substrate. The circuit case 4 penetrates the center of the circuit board 7 so as to be attached to and detached from the heat dissipation unit 5 so that circuit elements having a lifespan shorter than the LEDs 71 installed on the front of the LED board 7 can be replaced or repaired. By doing so, the LED substrate 7 attached to the case body 3 and the like, and the heat dissipation part 5 can be repaired without changing the position. At this time, it is preferable to connect the wires introduced into the

circuit boards

41 and 43 of the circuit case 4 through the heat dissipation part 5 long enough to be separated from the circuit case 4.

FIG. 6 is a perspective view illustrating another embodiment of the LED flat light, and FIG. 7 is an exploded perspective view of FIG. 6.

6 is an LED flat panel light 100 showing another embodiment of the present invention, the LED flat panel light 100 is formed of an enclosure having an open front surface of the LED substrate 107 and the circuit case 103 described later inside A housing cover 105 to be installed, a LED substrate 107 mounted on a plurality of LEDs (not shown) mounted in the housing cover 105 to emit light toward the front surface, and a through hole 193 therein. , 193 'is formed to cover the front of the housing cover 105, the through hole 193, 193' of the cover 109 and the through hole 171 of the LED substrate 107 And a circuit case 103 inserted into the housing cover 105 to be detachably coupled to the case connecting portions 157 and 157 '.

In addition, in the LED flat panel device 100 according to another embodiment of the present invention of FIGS. 6 and 7, the light source is described as an example, but the light source is not limited thereto, and the light is emitted by receiving power from the circuit case 103. Various light sources can be applied.

8 is a perspective view illustrating the circuit case of FIG. 6, and FIG. 9 is a cross-sectional view of FIG. 8.

The circuit case 103 of FIG. 8 is formed in a cylindrical shape having one surface opened, and through

holes

193, 193 ′ and the LED substrate of the cover 109 in a direction toward which the opened one surface faces the housing cover 105. Inserted into the through groove 171 of the 107 is detachably coupled to the case connecting portion 157 formed in the housing cover 105 of FIG. 10 to be described later, the sealed front 135 is installed to face the outside As a result, electrical circuits and components are not exposed to users for aesthetics.

In addition, a protruding jaw 133 is formed to protrude from the outer circumferential surface of the circuit case 103 so as to be caught by the cover 109 on the outer circumferential surface of the adjacent front surface 135 of the circuit case 103, and a thread ( 131 is formed to protrude outwardly is fastened to the screw groove 159 formed in the case connecting portion 157 of FIG.

In addition, as shown in FIG. 9,

circuit boards

141 and 143 are installed inside the circuit case 103, and electronic circuits and elements are mounted on the

circuit boards

141 and 143 to light LEDs and Flashing will occur.

In addition, a bushing 149 is installed at one open surface of the circuit case 103, and wires from the outside are introduced through the through holes 147 of the bushing 149, and the wires are introduced into the circuit case 103. It is connected to the board terminal block 145 provided to operate the circuits provided on the circuit board 141, (143).

In addition, the circuits installed in the

circuit boards

141 and 143 vary the incoming AC power source to a DC power source having an appropriate voltage so that the LEDs installed in the LED substrate 107 can operate. ) To the power supply.

In addition, when the circuit case 103 is coupled to the housing cover 105, the open side of the circuit case 103 faces the housing cover 105 so that the through hole 193 and the LED substrate of the cover 109 can be used. Since the screw thread 131 is fastened to the screw groove 159 of the case connecting portion 157 which is inserted into the through groove 171 of the case 107 and protrudes from the housing cover 105, the circuit case 103 is connected to the housing cover ( Detachment can be easily made by only a simple rotating operation in 105), thereby compensating the conventional problem of dismantling and separating the LED flat light from the wall for the replacement of the electric element and the circuit, which has a short lifespan compared to the LED.

10 is a perspective view illustrating the housing cover of FIG. 6, and FIG. 11 is a cross-sectional view of FIG. 10.

The housing cover 105 of FIG. 10 is formed of an enclosure having an open front surface, and has an area on the inner circumferential surface of the side wall 159 connecting the opened front surface and the closed rear surface 151 so that the edge of the LED substrate 107 is caught. The seating surface 154 protrudes inward from the inner surface.

In addition, an opening front surface of the housing cover 105 is formed with an extension surface 153 having an edge extending outward and the cover 109 is installed in contact with the expansion surface 153, and a bolt hole ( 155 are formed at regular intervals to be bolted to the cover 109.

In addition, in the sealed rear surface 151 of the housing cover 105,

case connecting portions

157 and 157 ′ protruding in a cylindrical shape from the rear surface 151 in the direction toward the cover 109 are formed. 157 and 157 'are connected to the lower surface 151 of the housing cover 105, and wires from the outside are introduced through the through holes 158 having a small diameter, and are directed toward the cover 109. The other surface is opened to allow the circuit case 103 of FIG. 8 to be inserted therein.

In addition, a thread groove 159 is formed in the inner circumferential surface of the adjacent portion on the other open surfaces of the case connecting portions 157 and 157 'so that the thread 131 of the circuit case 103 inserted into the case connecting portion 157 is screwed. The case connection part 157 and the circuit case 103 are coupled to each other by being fastened to the groove 159.

In addition, the

case connecting parts

157 and 157 are formed at a position integrally connected to the through hole 171 of the LED substrate 107 and the through hole 193 of the cover 109 during assembly, and the housing cover 105. The length is formed so as not to protrude from the seating surface 154 formed in the to allow the wire to be conveniently connected to the LED substrate 107.

12 is a perspective view illustrating the LED substrate of FIG. 6.

The

LED substrates

107, 107 ′, 107 ″, and 107 ′ ″ shown in FIG. 12 are printed circuit boards, and grooves 173 are formed in a “으로” shape on the front surface thereof. The groove 173 is provided with an LED module (not shown) or an LED (not shown), and is connected to the

electronic circuits

141 and 143 installed inside the circuit case 103 so that the light is directed forward from the LED module. Let this exit.

In addition, the LED substrate 107 is made of a metal material so that heat generated by the light emission of the LED module is radiated.

In addition, semicircular through holes 171 and 171 'are formed at connection points of the

LED substrates

107 and 107' and 107 " and 107 '" The through grooves 171 and 171 'form a circular shape when the LED substrates 107, 107', and 107 '' and 107 '' 'are connected to each other, thereby forming a circuit case in which electronic circuits and elements are installed. 103 is penetrated.

FIG. 13 is a perspective view illustrating the cover of FIG. 6. FIG.

Cover 109 of Figure 13 is installed on the front of the housing cover 1095, made of a transparent or translucent material.

In addition, the cover 109 is formed with a frame 195 having a predetermined area at each edge so that the frame 195 is in contact with the expansion surface 153 of the housing cover 105, and the expansion surface ( The bolt holes 197 are formed to correspond to the positions of the bolt holes 155 formed in the 153 to be bolted to the housing cover 105.

In addition, through holes 193 and 193 'are formed in the cover 109 so that the circuit case 103 passes through the through holes 193 and 193' so that the case connecting portion 157 of the housing cover 105 is formed. ) Will be combined.

In another embodiment of the present invention, the LED flat light 100 includes a case connecting portion 157 protruding from the housing cover 105 in which the LED substrate 107 is seated therein, and an electric circuit and a device for lighting and blinking the LED. And circuit modules including IC direct elements, such as a converter, are seated inside the circuit case 103, and the circuit case 103 includes a through hole 193 of the cover 109 and a through hole 171 of the LED substrate 107. Since it is coupled to the case connecting portion 157 so as to be detachable, it is easy to replace and check the equipment by separating the circuit case 103 separately without disassembly of parts when inspecting or replacing electrical components and circuits.

As described above, in the LED luminaire 1 which is an embodiment of the present invention and the LED flat light 100 which is another embodiment, circuit modules including electronic circuits and elements are installed in a circuit case, and the circuit case penetrates the cover to cover the LED substrate. Alternatively, the replacement and inspection of the circuit module, which has a shorter lifespan than the LED as the light source, is coupled to the housing in a detachable manner.

In addition, the closed front surface of the circuit case is directed to the outside so that the internal electrical elements and circuits are not exposed to the outside, and are formed to protrude from the case body 3 and the housing cover 105, so that the coupling and disconnection are simplified.

In addition, in one embodiment and another embodiment of the present invention, the light source is described as an example of the LED, but the light source is not limited thereto, and various light sources emitting light such as OLEDs, incandescent lamps, and fluorescent lamps may be applied.

In addition, in the present invention, the LED luminaire 1 and the LED flat light 100 illustrate a structure in which the

circuit cases

4 and 103 are attached to and detached from the heat dissipation unit 5 or the housing cover 105 through the LED substrate. However, those skilled in the art may have various modifications as the circuit case 103 can be manufactured to be detached from the housing cover 105, and the scope of the present invention should be defined by the following claims.

Claims

Case body;

A circuit board installed inside the case body and having light sources emitting light to the front of the case body;

A circuit case installed to face the front of the circuit board vertically and having a power circuit installed therein for supplying power to the light sources;

And the circuit case is detachable from the case body.
Case body;

A circuit board installed inside the case body and having light sources emitting light to the front of the case body;

And a circuit case detachably attached to any one of the case body or the circuit board, and installed to face the front surface perpendicular to the circuit board, and having a power circuit installed therein for supplying power to the light sources. Lighting luminaires.
3. The lighting fixture of claim 1, wherein the light source is an LED.
The method of claim 1, wherein the case body has a heat dissipation unit is provided on the back of the circuit board, the power supply circuit of the circuit case is connected to the wire through the bushing formed in the center of the heat dissipation unit, the circuit case is Lighting fixtures, characterized in that inserted through the through-hole formed in the center of the circuit board detachable to the heat dissipation unit.
5. The lighting fixture of claim 4, wherein the heat dissipation part includes two cutouts on an arc around the bushing, wherein the cutouts include a wide cutout and a narrow cutout extending to the wide cutout.
The circuit case of claim 5, wherein the circuit case is formed in a cylindrical shape, and two end portions which are bent outwardly are symmetrically formed at the center of the circuit case. The lighting luminaire, characterized in that passed through the portion is rotated and coupled to the narrow incision.
A housing cover;

A circuit board installed inside the housing cover and having light sources emitting light to the front of the housing cover;

A circuit case installed perpendicular to the housing cover and having a power circuit installed therein for supplying power to the light sources;

And the circuit case is detachably coupled to the housing cover.
A housing cover;

A circuit board installed inside the housing cover and having light sources emitting light to the front of the housing cover;

And a circuit case detachably attached to any one of the housing cover or the circuit board, the circuit case being installed perpendicular to the circuit board, and having a power circuit installed therein for supplying power to the light sources. .
The flat panel lighting of claim 7 or 8, wherein the light source is an LED.
The flat panel lighting of claim 9, wherein the circuit case protrudes from the circuit board when coupled to the housing cover.
The flat panel lighting of claim 7, wherein the circuit case is inserted through a through groove formed in the circuit board to be detachably coupled to the housing cover.
The flat plate of claim 11, wherein at least one through hole is formed on one surface of the housing cover to which the circuit case is coupled, and a wire is inserted into and connected to the power circuit of the circuit case through the through hole of the housing cover. light.
The case cover of claim 12, wherein a case connection part protruding from the one surface is formed on one surface of the housing cover, and the case connection part is formed in a pillar shape in which a front surface is opened to form a space therein. Flat light is connected to the through-hole, characterized in that the screw groove is formed on the inner peripheral surface.
The flat panel lighting of claim 6, wherein the circuit case has a polygonal column shape, and a thread is formed on an outer circumferential surface thereof so that the screw thread is rotated when coupled to the housing cover to be coupled to the screw groove of the case connection part.