WO2013005999A1

WO2013005999A1 - Illuminating apparatus using leds

Info

Publication number: WO2013005999A1
Application number: PCT/KR2012/005342
Authority: WO
Inventors: 허면; 강영만; 한경훈; 강영남; 김현민
Original assignee: 한국남부발전 주식회사; 주식회사 지엘에스
Priority date: 2011-07-07
Filing date: 2012-07-05
Publication date: 2013-01-10
Also published as: KR101082587B1

Abstract

The present invention relates to an illuminating apparatus using LEDs, in which a connection between a printed circuit board and an LED module is made easy and the printed circuit board and the LED module can be detached from each other so as to improve workability and assemblability. The illuminating apparatus of the present invention comprises: a plurality of LED modules formed into a chip on board (COB) type in which light emitting diodes, which are LED devices, are directly molded on a printed circuit board for illumination; a power supply unit for supplying power to LED modules attached thereto; a base member which is formed of an aluminum material for transferring and dissipating heat from the LED modules, and to which the LED modules and the power supply unit are fixed; a fixing member which fixes the LED modules and the power supply unit to the base member; a heat-dissipating unit which may be detached from the base member so as to dissipate the heat of the LED modules; a detaching unit provided at the heat-dissipating unit so as to detach the base member from the heat-dissipating unit; and a light-diffusing unit which is coupled to the base member and which increases the brightness of light emitted from the LED modules and diffuses the emitted light.

Description

LED lighting device

The present invention relates to a lighting apparatus using an LED, and more particularly, to a lighting apparatus using an LED that can facilitate the connection of the printed circuit board and the LED module and detachable to improve workability and assembly. will be.

In general, various types of lighting devices are used to be installed in indoor or outdoor advertisements or signs to identify images at day or night, and these lighting devices are light emitting devices, such as filament bulbs, fluorescent lights, neon signs, or LEDs. (Light Emitting Diode: LED) is used.

In particular, the lighting device using the LED has the advantage that the life of the LED is semi-permanent, inexpensive, and low power consumption, the use is gradually increasing.

LED (light-emitting diode) refers to a light emitting diode device, has the advantages of fast processing speed and low power consumption of the LED semiconductor, and is attracting attention as the next generation strategic products because it is environmentally friendly and high energy saving effect.

On the other hand, in recent years, a COB (Chip On Board) type of LED module has been used in order to manufacture a higher power lighting device. COB is a structure in which a chip, which is an LED element, is directly mounted on a printed circuit board (PCB) to be connected, and more LEDs can be formed in a small space.

As described above, in the lighting apparatus using the chip-on-board type LED module, each LED module is connected through a wire to apply current when a plurality of LED modules are used.

The above technical configuration is a background art for helping understanding of the present invention, and does not mean a conventional technology well known in the art.

Related prior art is Republic of Korea Patent Publication No. 2011-0043973 (2011. 04. 28. Publication, the name of the invention: modular lighting device).

As described above, since the conventional lighting apparatus uses electric wires to supply current to each LED module, the electric wiring becomes complicated and the soldering portions of the LED module and the electric wiring are easily dropped and the durability is degraded.

The present invention has been made in order to improve the conventional problems as described above, to prevent the use of electrical wiring for supplying the current to the LED module is easy to manufacture, and to improve the durability using the LED lighting device The purpose is to provide.

The present invention to achieve the above object is a plurality of LED module; A power supply unit mounted with the LED module and supplying power to the LED module; A base member to which the LED module and the power supply unit are fixed; And it provides a lighting device using the LED including a heat dissipation portion that the base member is detached so that the heat of the LED module heat dissipation.

In addition, the present invention provides a lighting apparatus using an LED further comprising a detachable portion provided in the heat radiating portion to detach the base member to the heat radiating portion.

In addition, the present invention provides a lighting apparatus using an LED further comprises a light diffusion unit coupled to the base member so that the light emitted from the LED module is diffused.

In addition, the present invention is the power supply is connected to the power supply line through the soldering board, the board member coupled to the base member; A seating member formed on the board member such that the LED module is mounted on the board member; And an LED formed on an upper surface of the board member and including a connection member connecting the LED module to the power supply line.

In addition, the present invention provides a lighting device using an LED that is a hole formed in the board member so that the seating member is inserted into the LED module.

In addition, the present invention provides a lighting device using an LED further comprises a fixing member penetrates between the seating member and the LED module to the base member, and fixes the LED module and the power supply to the base member. do.

In addition, the present invention is provided with a removable portion rotatably provided in the heat dissipating portion, the elastic member which is contacted or spaced apart from the base member through rotation; And a rotatably provided to the heat dissipating unit so that the elastic member is caught, and a close contact member which closely contacts the elastic member to the base member through rotation.

In addition, the present invention is a light diffuser coupled to the base member, the reflector is formed with a through hole to expose the LED module; And a diffusion lens member coupled to the base member to cover the reflector, and configured to diffuse light reflected from the reflector.

In addition, the present invention provides a lighting apparatus using an LED further comprises a sealing member provided between the light diffusing portion and the diffusion lens member and the base member.

In order to achieve the above object, the present invention provides a plurality of LED modules which are formed in a chip on board (COB) type in which a light emitting diode, which is an LED element, is directly formed on a printed circuit board for illumination; A power supply unit mounted with the LED module to supply power to the LED module; A base member formed of an aluminum material so that heat of the LED module is transferred and radiated, and having the LED module and the power supply fixed thereto; Fixing member for fixing the LED module and the power supply to the base member; A heat dissipation unit to which the base member is detached to dissipate heat of the LED module; A detachable part provided in the heat radiating part to detach the base member from the heat radiating part; And a light diffuser coupled to the base member to increase the brightness of light emitted from the LED module and to diffuse the emitted light. Including,

The power supply unit, a power supply line for supplying the applied power; An end portion of the power supply line exposed on an upper surface of the board member and formed of an insulating plastic material; A seating member having a shape corresponding to that of the LED module so that the LED module is inserted into and mounted on the board member and penetratingly formed through the board member with the same thickness as the printed circuit board of the LED module; And a connecting member formed in a pattern form by a conductor on an upper surface of the board member so that the power supply line and the LED module are connected by soldering. Including,

The fixing member is fastened to the base member through a coupling hole penetrated between the power supply unit and the LED module so that the head is supported in contact with the upper surface of the board member and the LED module.

The detachable part may include: an elastic member rotatably provided at the heat radiating part so that one end portion is hinged to the heat radiating part so as to be contacted or spaced apart from the base member through rotation, and a center part has a curvature; And a close contact member rotatably installed on the heat dissipating unit through a hinge coupling, and the other end of the elastic member is fixed by rotation to closely adhere the elastic member to the base member. Including,

The optical diffuser may include a reflector having a through hole formed to expose the LED module, mounted to the base member, and having a light reflecting surface formed therein for reflecting light emitted from the LED module; The reflector is coupled to the base member to prevent foreign matter from penetrating into the LED module, and a lens for increasing light of the LED module is formed at a portion corresponding to the LED module, and is reflected from the reflector. A lens member for diffusing light; And a sealing member provided between the lens member and the base member and coupled to the base member together with the lens member through a bolt for fixing the lens member. It provides a lighting apparatus using an LED comprising a.

According to the lighting apparatus using the LED according to the present invention as described above, since the LED module is connected to the power supply line through the power supply unit to prevent the use of a separate electrical wiring for the connection of the LED module, it is easy to manufacture, and the durability is improved. There is an advantage.

1 is an exploded perspective view showing the configuration of a lighting apparatus using an LED according to an embodiment of the present invention.

2 is a perspective view showing an LED module and a power supply according to an embodiment of the present invention.

3 is a cross-sectional view of the combination of FIG.

4 is a plan view of FIG. 2.

Figure 5 is a side view showing the configuration of the removable portion according to an embodiment of the present invention.

The features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings. Prior to this, the terms or words used in the present specification and claims are defined in the technical spirit of the present invention on the basis of the principle that the inventor can appropriately define the concept of the term in order to explain his invention in the best way. It must be interpreted to mean meanings and concepts.

Hereinafter, a lighting apparatus using an LED according to the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIGS. 1 to 5, the lighting apparatus using the LED according to the present embodiment includes a plurality of LED modules 10 for lighting and a power supply unit 20 for supplying power to the LED modules 10. ), A base member 30 to which the LED module 10 and the power supply unit 20 are fixed, and a heat dissipation unit 40 for heat dissipation of the LED module 10.

In addition, the lighting apparatus according to the present embodiment is a light diffusion part for increasing the brightness of the light emitted from the detachable portion 50 and the LED module 10 to detach the base member 30 to the heat dissipation portion ( 60) further.

The LED module 10 uses a chip on board (COB) type module in which a light emitting diode is directly formed on a printed circuit board (PCB). The LED module 10 is mounted on the power supply unit 20 and the power supply unit 20 is soldered. ) Is connected.

The LED module 10 is manufactured to have an output of 10W, and four are installed in the power supply unit 20.

The power supply unit 20 is configured to stably fix the four LED modules 10 and to connect the power supply line 21 and the LED module 10 while preventing the use of electrical wiring.

To this end, the power supply unit 20 is a board member 23 to which the power supply line 21 is connected, a seating member 25 for fixing the LED module 10 and the LED module 10 and the power supply line 21. It consists of a connecting member 27 for connecting.

Board member 23 is made of an insulating plastic, the power supply line 21 is fixed to the center by soldering. The board member 23 is formed to have the same thickness as the printed circuit board so that the LED module 10 and the connection member 27 can be easily connected.

As such, when the printed circuit board thicknesses of the board member 23 and the LED module 10 are formed to be the same, when the LED module 10 is seated on the board member 23, the upper surface of the board member 23 and the LED module The upper surface of the (10) is horizontal, so that the connection member 27 and the LED module 10 can be connected to the soldering stably and easily using lead-free lead.

In addition, the power supply unit 20 and the LED module 10 may be fixed to the base member 30 at the same time, which will be described later.

In addition, the board member 23 is formed with a seating member 25 for fixing the LED module 10 and a connecting member 27 for connecting the LED module 10 and the power supply line 21, respectively.

The mounting member 25 is formed in the board member 23 to have a shape corresponding to the LED module 10 so that the LED module 10 is stably and firmly seated on the board member 23. The seating member 25 is formed in the form of a hole in the board member 23 so that the LED module 10 can be inserted into four.

In the present embodiment, it is shown that the seating member 25 is formed as a hole, but may be formed in the board member 23 in a groove shape.

The connecting member 27 is formed on the upper surface of the board member 23 by a conductor, and the LED module 10 and the power supply line 21 are connected by soldering.

Meanwhile, the LED module 10 inserted into the board member 23 and the seating member 25 is coupled to the base member 30 through the fixing member 70 fastened to the base member 30. At this time, a coupling hole 29 through which the fixing member 70 penetrates is formed between the seating member 25 and the LED module 10.

This, the coupling hole 29 is formed by the round 11 is formed in the corner portion of the LED module 10.

The fixing member 70 is fastened to the base member 30 through the coupling hole 29 so that the head is in contact with and supported by the upper surface of the board member 23 and the LED module 10.

As the fixing member 70 according to the present embodiment, a screw or a bolt may be used.

After the LED module 10 and the power supply unit 20 are fixed to the base member 30 through the fixing member 70, the light diffusion unit 60 is further installed on the base member 30.

The light diffuser 60 includes a reflector 61 coupled to the base member 30, a lens member 63 and a lens member 63 and a base member (which increase brightness of light reflected by the reflector 61). 30) is made of a sealing member (65) for sealing between.

The reflector 61 has a through hole 61a formed to expose the LED module 10 and is mounted to the base member 30, and a light reflection surface for reflecting light emitted from the LED module 10 is formed therein. do.

The lens member 63 covers the reflector 61 to prevent foreign matter from penetrating into the LED module 10. The lens member 63 is formed by a transparent body, and a lens for increasing light of the LED module 10 is formed at a portion corresponding to the LED module 10.

In addition, the sealing member 65 is provided between the lens member 63 and the base member 30, coupled to the base member 30 together with the lens member 63 through a bolt for fixing the lens member 63. do.

The light emitted from the LED module 10 is reflected and diffused through the reflector 61, and the brightness is increased while passing through the lens member 63.

On the other hand, the base member 30 is formed of aluminum so that the heat of the LED module 10 is effectively transmitted to the heat radiating portion 40 to radiate.

The detachable part 50 for fixing the base member 30 to the heat dissipation part 40 is rotatably provided at the heat dissipation part 40, and is elastic member 51 contacted or spaced apart from the base member 30 through rotation. And, the elastic member 51 is rotatably provided in the heat dissipating portion 40 is made of a close contact member 53 is in close contact with the elastic member 51 to the base member 30 through rotation.

The elastic member 51 has an annular shape in which one end is hinged to the heat dissipation part 40, and the other end is caught or detached from the contact member 53 through rotation. In addition, the elastic member 51 is formed to have a curvature in the center thereof and is in contact with the upper surface of the base member 30.

The close contact member 53 is rotatably installed on the heat dissipation unit 40 through a hinge coupling, and when the elastic member 51 is caught, the close contact member 53 is rotated toward the heat dissipation unit 40 and closely adheres the elastic member 51 to the base member 30 side. Let's go.

The operation of the lighting apparatus using the LED according to an embodiment of the present invention configured as described above will be described.

First, a plurality of LED modules 10 are inserted and seated in the seating member 25, and then the fixing member 70 passes between the LED module 10 and the board member 23 to be coupled to the base member 30. When the LED module 10 and the board member 23 is fixed to the base member 30 together.

That is, the LED module 10 and the board member 23 can be easily fixed to the base member 30 by using the fixing member 70.

In addition, when the LED module 10 and the power supply line 21 are soldered to the connection member 27 formed in a pattern on the upper surface of the board member 23, the LED module 10 and the power supply line 21 are connected. Since the use of the wire for connecting the LED module 10 and the power supply line 21 is prevented, manufacturing is easy and durability is improved.

In addition, since the light emitted from the LED module 10 is transmitted to the outside while being diffused and increased by the reflector 61 and the lens member 63, the illuminance of the lighting apparatus can be further improved.

What has been described above is only one embodiment for carrying out the present invention, and the present invention is not limited to the above-described embodiment, and the present invention is made without departing from the gist of the present invention as claimed in the following claims. Anyone with ordinary knowledge in this field will have the technical spirit of the present invention to the extent that various modifications can be made.

Claims

A plurality of LED modules;

A power supply unit mounted with the LED module and supplying power to the LED module;

A base member to which the LED module and the power supply unit are fixed; And

A heat dissipation unit to which the base member is detached to dissipate heat of the LED module;

Lighting device using an LED comprising a.
The method of claim 1,

Lighting device using an LED, characterized in that it further comprises a detachable portion provided in the heat radiating portion so that the base member is detachable to the heat radiating portion.
The method of claim 1,

Lighting device using an LED further comprises a light diffusion unit coupled to the base member so that the light emitted from the LED module is diffused.
The method of claim 1, wherein the power supply unit,

A board member to which the power supply line is connected through soldering and coupled to the base member;

A seating member formed on the board member such that the LED module is mounted on the board member; And

A connection member formed on an upper surface of the board member and connecting the LED module to the power supply line; Lighting device using an LED comprising a.
The method of claim 4, wherein

The seating member is a lighting device using an LED, characterized in that the hole formed in the board member so that the LED module is inserted and seated.
The method of claim 4, wherein

And a fixing member which penetrates between the seating member and the LED module and is fastened to the base member and fixes the LED module and the power supply unit to the base member.
The method of claim 2, wherein the removable portion,

An elastic member rotatably provided in the heat dissipating unit, the elastic member being in contact with or spaced apart from the base member through rotation; And

A close contact member rotatably provided to the heat dissipating unit to catch the elastic member, and the close contact member to closely contact the elastic member to the base member through rotation; Lighting device using an LED comprising a.
The method of claim 3, wherein the light diffusion unit,

A reflector coupled to the base member and having a through hole formed to expose the LED module; And

A diffusion lens member coupled to the base member to cover the reflector, and configured to diffuse light reflected from the reflector; Lighting device using an LED comprising a.
The method of claim 8, wherein the light diffusion unit,

LED lighting device further comprises a sealing member provided between the diffusion lens member and the base member.
A plurality of LED modules formed of a chip on board (COB) type in which a light emitting diode, which is an LED element, is directly formed on a printed circuit board for illumination;

A power supply unit mounted with the LED module to supply power to the LED module;

A base member formed of an aluminum material so that heat of the LED module is transferred and radiated, and having the LED module and the power supply fixed thereto;

Fixing member for fixing the LED module and the power supply to the base member;

A heat dissipation unit to which the base member is detached to dissipate heat of the LED module;

A detachable part provided in the heat radiating part to detach the base member from the heat radiating part; And

A light diffusion unit coupled to the base member to increase brightness of light emitted from the LED module and to diffuse the emitted light; Including,

The power supply unit,

A power supply line for supplying an applied power;

An end portion of the power supply line exposed on an upper surface of the board member and formed of an insulating plastic material;

A seating member having a shape corresponding to that of the LED module so that the LED module is inserted into and mounted on the board member and penetratingly formed through the board member with the same thickness as the printed circuit board of the LED module; And

A connection member formed in a pattern form by a conductor on an upper surface of the board member such that the power supply line and the LED module are connected by soldering; Including,

The fixing member,

The head is fastened to the base member through a coupling hole penetrated between the power supply and the LED module so that the head is in contact with the upper surface of the board member and the LED module.

The detachable part,

An elastic member rotatably provided at the heat dissipating unit so that one end thereof has a ring shape hinged to the heat dissipating unit so as to be contacted or spaced apart from the base member through rotation; And

A close contact member rotatably installed on the heat dissipating unit through a hinge coupling, and the other end of the elastic member is fixed by rotation to closely adhere the elastic member to the base member; Including,

The optical diffuser,

A reflector having a through hole formed to expose the LED module, mounted to the base member, and having a light reflecting surface formed therein for reflecting light emitted from the LED module;

The reflector is coupled to the base member to prevent foreign matter from penetrating into the LED module, and a lens for increasing light of the LED module is formed at a portion corresponding to the LED module, and is reflected from the reflector. A lens member for diffusing light; And

A sealing member provided between the lens member and the base member and coupled to the base member together with the lens member through a bolt for fixing the lens member;

Lighting device using an LED comprising a.