KR200455629Y1 - Led lamp - Google Patents

Abstract

The present invention relates to a lamp using a light emitting diode (LED: Light Emitting Diode, hereinafter referred to as LED), and more particularly in an LED lamp that can obtain a high illumination with low power consumption using the LED, the LED and the LED The present invention relates to an LED lamp having a heat sink for dissipating heat generated from the horizontal and vertical PCBs to which it is coupled to the outside, and easily combining the horizontal and vertical PCBs to the heat sink.

To this end, the present invention, the outer upper end is provided with a socket coupler, the lower end of the housing is open, fixed to the inside of the housing, the converter to control the power input through the socket coupler, and a plurality of LED radial And a light emitting member having a horizontal PCB having a fixed hole formed in the center thereof, a plurality of LEDs provided at a predetermined interval, and a vertical PCB having one end fixedly coupled to the fixing hole of the horizontal PCB, and the converter and the light emitting member. Located between the heat sink that absorbs and dissipates heat generated by the light emitting member, and comprises a lens detachably coupled to the heat sink, wherein the heat sink, the projection portion through which the fixing hole of the light emitting member penetrates; It is formed, characterized in that the protrusion is formed with a slide groove into which the vertical PCB is inserted.

 LEDs, lamps, bulbs, heatsinks, slides, lenses, diffusers

Description

LED lamps {LED LAMP}

The present invention relates to a lamp using a light emitting diode (LED: Light Emitting Diode, hereinafter referred to as LED), and more particularly in an LED lamp that can obtain a high illumination with low power consumption using the LED, the LED and the LED The present invention relates to an LED lamp having a heat sink for dissipating heat generated from the horizontal and vertical PCBs to which it is coupled to the outside, and easily combining the horizontal and vertical PCBs to the heat sink.

In general, the diode emits the excess energy generated by the recombination of the electrons and holes injected with LEDms as light. There are red light emission using GaAsp and green light emission using Gap. It is widely used as a light source for a display device, a small number or letter display device, and an optical coupling device.

In addition, socket-type bulbs which are widely used in general are lighting devices that obtain non-combustible gas into a glass sphere in a vacuum state and electrothermally radiate tungsten, such as tungsten, to obtain light. Widely used in lamps and general lighting equipment.

However, such a socket-type light bulb has a structure in which a filament is installed in a glass glass of vacuum to supply electricity to the light bulb to emit light, and the power consumption is large and the illuminance of the filament is low. There is a limit of durability, which is difficult to use for a long time due to the short lifespan, and in the case of a bulb whose filament is broken, the entire bulb must be discarded, resulting in an increase in maintenance and management costs and environmental pollution.

In addition, the filament-type bulb as described above also had a problem that can not express a variety of colors.

In order to solve the above problems, light bulbs using LEDs as light emitting means have been proposed, but a necessary light source can be obtained by using low-power and high-brightness LEDs, but it is difficult to dissipate heat generated from the LEDs to outside and combine a plurality of LEDs. When there was a problem that required a lot of time and skilled workers.

In order to solve this problem, it is possible to easily combine a plurality of LED, there is a Patent No. 10-721030 (registration date May 16, 2007).

In 721030, the present invention relates to a frame used when fixing an LED lamp constituting an illumination lamp in a display obstacle lamp. The LED lamp is coupled to the frame in a sliding manner, and the LED lamp can be easily coupled to the frame. However, by fixing each LED lamp to the frame through the fixture, the more time the LED lamps are combined, the longer the fixing time to the frame, the heat generated from the LED lamp can not dissipate to the outside during the high temperature during use There was a problem.

The present invention has been proposed to solve the above problems, LED lamp which can obtain the required illuminance by having a horizontal PCB with a plurality of LEDs and a vertical PCB with a plurality of LEDs at regular intervals. The horizontal and vertical PCBs are in close contact with the heat sink to easily discharge heat generated from the LEDs and the PCB to the outside, and the vertical sinks are in close contact with the heat sink. The purpose is to provide an LED lamp that can be combined.

In addition, it is an object of the present invention to provide an LED lamp to increase the heat dissipation efficiency by exposing the heat sink to the outside, and to increase the heat dissipation efficiency by forming the vertical PCB as a metal PCB made of a material such as aluminum or copper alloy.

In order to achieve the above object, the present invention, the outer upper end is provided with a socket coupler, the lower end of the housing is open, fixed to the inside of the housing, the converter for controlling the power input through the socket coupling and A light emitting member comprising a plurality of LEDs radially provided, a horizontal PCB having a fixed hole formed in the center thereof, and a plurality of LEDs provided at regular intervals, and having one end fixedly coupled to a fixed hole of the horizontal PCB. And a heat sink positioned between the converter and the light emitting member, the heat sink absorbing and dissipating heat generated from the light emitting member, and a lens detachably coupled to the heat sink, wherein the heat sink is formed of the light emitting member. A protrusion through which the fixing hole penetrates is formed, and the protrusion has a slide groove into which a vertical PCB is inserted. It shall be.

In addition, the vertical PCB is characterized in that the metal PCB (METAL PCB) formed of aluminum or copper alloy material.

In addition, the heat sink, a coupling protrusion is formed in the upper end is coupled to the housing, the lower end is formed with a coupling groove into which the lens is inserted coupling, the heat sink is exposed to the outside between the housing and the lens. It features.

In addition, the light emitting member, the lower portion of the vertical portion coupled to the other portion of the vertical ratio is further provided, the lower portion of the ratio is characterized in that it is fixed through the vertical portion and the terminal (Terminal).

Further, the lens is characterized in that the diffusion agent for diffusing the light irradiated from the light emitting member is applied.

The present invention made as described above, implements a lamp that can obtain the necessary light by using the LED having the property of low power, high brightness, in which the heat generated from the PCB with the LED discharged to the outside durability of the product Has the effect of improving

High heat dissipation effect can be obtained since the horizontal and vertical PCBs with LEDs are in close contact with the heat sink.

In addition, by combining the vertical PCB to the slide groove formed in the heat sink anyone can easily assemble the product can reduce the production time, there is an advantage that the maintenance of the product is convenient.

Hereinafter, with reference to the accompanying drawings to describe a preferred embodiment of the LED lamp according to the present invention.

1 is an exploded perspective view showing an LED lamp according to the present invention, Figure 2 is a cross-sectional view of the combination of Figure 1, Figure 3 is a perspective view showing a combined state of the heat sink and the vertical PCB according to the present invention.

1 to 3, the LED lamp 1 according to the present invention, the outer upper end 11 is provided with a socket coupling hole 12, the lower end 14 and the housing 10 is open; The fixing hole is fixed to the inside of the housing 10, the converter 20 for controlling the power input through the socket coupling hole 12, and a plurality of LEDs (33) radially, through the center A light emitting member including a horizontal PCB 31 having a 311 formed therein, and a plurality of LEDs 33 provided at regular intervals, and having a vertical PCB 32 having one end fixedly coupled to a fixing hole of the horizontal PCB 31. 30 and a heat sink 40 positioned between the converter 20 and the light emitting member 30 to absorb and dissipate heat generated by the light emitting member 30 and to be detachably attached to the heat sink 40. It comprises a lens 50 to be coupled, the heat sink 40, the projection 43 through which the fixing hole 311 of the light emitting member 30 passes ) Is formed, the projection 43 is characterized in that the slide groove 44 is inserted into the vertical PCB (32) is formed.

As shown in FIG. 1 or FIG. 2, the housing 10 has a hollow hemispherical shape, so that the converter 20 and the light emitting member 30 can be fixed to the inside.

The socket coupler 12 of the outer upper end 11 of the housing 10 has the same function as a base of a conventional incandescent lamp, and is arranged along an outer circumferential surface to connect with an external power source (not shown in the figure). Thread 121 is formed, and the external power is sent to the LED lamp (1) through the two contacts.

The external power introduced through the socket coupler 12 is introduced into the converter 20 fixed inside the housing 10 and then converted into power required for the LED 33 constituting the light emitting member 30.

The converter 20 is widely used, and detailed description of the internal circuit and each component will be omitted.

The light emitting member 30 includes a horizontal PCB 31 provided with a plurality of LEDs 33 radially lit by the power transmitted through the converter 20, and a plurality of light emitting members 30 at regular intervals from the upper side to the lower side. It consists of a vertical PCB (32) provided.

The horizontal PCB ratio 31, the fixing hole 311 is formed in the shape and size corresponding to the protrusion 43 so that the protrusion 43 formed in the heat sink 40 to be described later in the center is formed, One end of the vertical PCB 32 is fixed to the fixing hole 311.

As shown in FIG. 1 or 3, the horizontal PCB 31 may have a circular shape or may have a polygonal shape. In this case, the shape and size of the fixing hole 311 may also be formed in the heat sink 40. What is necessary is just a form to which the protrusion part 43 penetrates, There is no restriction on a shape and a size.

The vertical PCB 32 is made of a metal PCB made of aluminum or copper alloy, etc., the metal PCB is a heat dissipation of the substrate is higher than that of the general PCB, silicon steel plate, galvanized steel, aluminum disc, etc. It is formed of a material and is used as a core to form high-brightness LED products because it has a high heat dissipation property of the board and greatly affects the performance and life of the LED.

Representative products using such a metal PCB, there are an inverter (Inverter), a converter (Converter), PDP, LCD, monitor, power supply (Power Supply),

In this case, the metal fish ratio used is generally composed of aluminum 1.5T (1.5 mm) + insulator (85 μm) + copper foil (70 μm), and epoxy resin is used as the insulator.

The lower the thickness of the insulator, the better the heat dissipation resistance, but the lower the withstand voltage, generally forming an insulation layer thickness of 80 microns (mm) to 100 microns (mm).

Metal fish ratio to be used in the present invention is made in the form as described above, the heat dissipation effect is high, the insulating layer thickness is formed between 80 ~ 100 (mm) to withstand the voltage introduced from the converter 20, aluminum Or it is made of a copper alloy, but may be made of a silicon steel sheet, galvanized steel sheet, etc. as necessary.

The vertical PCB 32 is provided in plural in a symmetrical direction so that light can be irradiated at a wide angle when the LED 33 is turned on by the input power, and one end of each vertical PCB 32 is horizontal. A slide groove 44 formed in the protrusion 43 of the heat sink 40, which is coupled to the fixing hole 311 formed in the PCB 31 and integrally coupled to the horizontal PCB 31, with the vertical PCB 32 described later. Both sides 321 are coupled to the horizontal PCB 31 in the form exposed so that it can be inserted into.

In addition, the other end of the vertical PCB (32) is further provided with a lower PC (35), the lower PC (35), the horizontal PC (31) and the vertical PC (32) is located in the opposite direction of the one end is fixed It is fixed with the vertical PCB 32 via a terminal (36).

The lower PCB 35 may block a space formed by the fixing hole 311 of the horizontal PCB 31 so that light emitted from the LED 33 is diffusely reflected by the lens 50 to be described later. It is possible to obtain the effect of eliminating, and further provided with an LED 33 in the lower portion of the fish ratio (35) has the effect of increasing the illuminance.

The lower PCB 35 is fixed to the vertical PCB 32 through the terminal 36, the terminal 36 is formed bent at 90 °, as shown in Figure 3 so that both ends of the vertical PCB ( 32) and the lower portion of the PCB 35 is fixed through the solder (37).

At this time, the fixed form of the vertical ratio 32 and the horizontal ratio (31) is also fixed through the terminal 35 to energize the power introduced from the converter 20, the horizontal ratio (31) and vertical ratio (32) And it is possible to obtain a fixed force of the vertical ratio (32) and the lower portion of the ratio (35).

The terminal 36 may be modified into a 'b', 'b' shape, etc. according to the fixed position,

The number and arrangement of the LEDs 33 fixed to the horizontal PCB 31, the vertical PCB 32, and the lower PCB 35 may be variously changed as necessary.

The heat sink 40 is located between the converter 20 and the light emitting member 30, the upper portion 41 is provided with a coupling protrusion 411 is coupled to the inner side of the housing 10, the lower portion 42 In the coupling groove 421 to be inserted and coupled to the lens 50 to be described later is formed.

In this case, a fixing groove 13 is formed inside the housing 10 to allow the coupling protrusion 411 to be inserted and coupled, and the coupling protrusion 411 has a strip shape along the outer circumferential surface of the heat sink 40. When the fixing groove 13 is also made in the form corresponding to the inner peripheral surface of the housing (10).

As shown in FIG. 2, the heat sink 40 formed as described above is positioned between the housing 10 and the lens 50 and exposed to the outside to absorb heat generated from the light emitting member 30 to the outside. Easily discharged, it can increase heat dissipation effect.

That is, since a part of the heat sink 40 is always exposed to the outside, the heat generated from the inside is easily discharged to the outside during use, and thus has a high heat dissipation effect.

Further, the heat sink 40 is formed with a projection 43 penetrating through the fixing hole 311 formed in the horizontal PCB (31), the projection 43, the slide groove (32) is inserted into the vertical PCB ( 44) is formed,

The slide groove 44 may be provided with a bending piece 441 bent inward to prevent the inserted vertical PCB 32 from escaping to the outside.

Looking at the state in which the light emitting member 30 is coupled to the heat sink 40, first, the projection 43 of the heat sink 40 is inserted into the fixing hole 311 formed in the horizontal PCB 31 and then the horizontal PCB ratio. The horizontal PCB 31 is pushed in until the 31 is in contact with the heat sink 40, and the vertical PCB 32 fixedly coupled to the fixing hole 311 is a slide groove 44 formed in the protrusion 43. ) Is inserted.

Accordingly, the horizontal PCB 31 and the vertical PCB 32 are closely coupled to the heat sink 40 without a separate coupling member, so that the heat generated from the horizontal and vertical PCB in use can be easily absorbed from the heat sink 40, At the same time, the heat sink 40 is fixed between the housing 10 and the lens 50 while being exposed to the outside, thereby easily dissipating absorbed heat to the outside, thereby improving heat dissipation efficiency.

The lens 50 may be configured to form a surface in the form of a convex or concave lens to diffusely reflect the light irradiated from the LED 33 to widen the irradiation angle, and may diffuse the light irradiated from the LED 33. A diffusing agent 51 such as a light diffusing polycarbonate or the like may be applied.

The diffusion agent 51 is composed of 3 to 5 kinds of additives in 80 to 90% of calcium carbonate and calcium phosphate of high purity, and these components are mixed and heat treated to produce PVC. And mixed with all resins such as PE, acrylic, polycarbonate, and detailed descriptions of the formation process and coating method are omitted.

According to the present invention made as described above, the plurality of LEDs 33 provided in the horizontal PCB 31 and the vertical PCB 32 are turned on by the power introduced through the converter 20 to obtain necessary light, and the LED The heat generated from the 33 and the horizontal PCB 31 and the vertical PCB 32 is easily discharged to the outside through the heat sink 40 to increase the heat dissipation efficiency to extend the life of the LED 33, a separate coupling member Horizontal and vertical PCB ratio 31 and vertical PCB ratio 32 can be fixed to heat sink 40 closely, so assembling time can be shortened, increasing production efficiency, and anyone can easily replace LED 33 during use. There is an advantage to convenient maintenance.

Although the LED lamp according to the present invention has been described above with reference to the accompanying drawings, the present invention is not limited to these descriptions and various modifications and changes can be made by those skilled in the art within the scope of the idea of the appended utility model claims. Such modifications and variations should also be interpreted as falling within the protection scope of the present invention.

1 is an exploded perspective view showing an LED lamp according to the present invention

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

Figure 3 is a perspective view showing a coupling state of the heat sink and the vertical PCB in accordance with the present invention

<Description of Major Symbols in Drawing>

1: LED lamp

10 housing 11 upper portion 12 socket coupling hole

13: fixing groove 14: lower portion

20: converter

30 light emitting member 31 horizontal ratio 32 vertical ratio

33: LED 311: fixing hole 321: both sides

35: bottom PCB 36: terminal

40: heat sink 41: upper part 42: lower part

43: protrusion 44: slide groove

411: coupling protrusion 421: coupling groove

50 lens 51 diffuser

Claims (5)

A housing having a socket coupler at an outer upper end, and having an open lower end; A converter fixed to the inside of the housing and controlling a power input through a socket coupler; A plurality of LEDs are provided radially, and the horizontal ratio is formed through the fixing hole formed in the center, A plurality of LEDs are provided at regular intervals, the light emitting member having one end being vertically coupled to a fixed hole of the horizontal ratio; A heat sink positioned between the converter and the light emitting member to absorb and dissipate heat generated from the light emitting member; Including a lens detachably coupled to the heat sink; The heat sink is a LED lamp, characterized in that the projection through which the fixing hole of the light emitting member is formed, the projection is formed with a slide groove into which the vertical PCB is inserted. The method of claim 1, The vertical PCB is a metal lamp (METAL PCB) is formed of aluminum or copper alloy material LED lamp. The method of claim 1, The heat sink has a coupling protrusion formed at an upper end thereof to be coupled to the housing, and a coupling groove at which the lens is inserted is coupled to a lower end thereof. The heat sink is LED lamp, characterized in that exposed to the outside between the housing and the lens. 4. The method according to any one of claims 1 to 3, The light emitting member is further provided with a lower portion of the PCB coupled to the other end of the vertical ratio, The lower PCB is a vertical lamp and the LED lamp, characterized in that fixed through the terminal (Terminal). 4. The method according to any one of claims 1 to 3, LED is characterized in that the lens is coated with a diffusing agent for diffusing light emitted from the light emitting member.

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