KR101256865B1 - Led lamp for lighting - Google Patents

Abstract

The present invention relates to an LED lamp for illumination.
According to the present invention, the LED module is directly mounted to a heat sink to directly radiate heat generated by the LED module to the heat sink, thereby preventing accumulated heat or latent heat from being generated between the LED module and the heat sink. The life of the lamp can be prevented from being shortened, and one side and the other side of the radiator can be extended to the upper side to extend the radiating diffusion area and to form a reflective layer, thereby increasing the radiating effect. The illuminance can be greatly improved, and the heat sink equipped with the LED module can be replaced, so that when the LED module breaks down, it is not necessary to replace the entire lamp, thereby reducing the cost of replacing the lamp. Done.

Description

LED lamp for lighting {LED LAMP FOR LIGHTING}

The present invention relates to an LED lamp for lighting, and more particularly, to an LED lamp for lighting that improves the heat dissipation efficiency and life of the LED lamp and facilitates repair and replacement.

Recently, the LED (Light Emitting Diode), which has a small size, long life, low power consumption, and high energy efficiency as a light source, has been spotlighted. As the range of application is expanded, it is widely used for lighting.

However, when the LED is used for lighting, a large number of LEDs must be provided, and a large amount of electric power must be input, so that an LED mounting substrate having high heat dissipation is required.

Therefore, an insulating circuit board made of glass epoxy resin or the like is used as an LED mounting substrate. When the glass epoxy resin has poor heat dissipation, when the LED emits light, power that does not contribute to light emission is converted into heat, and the converted heat There is a problem in that the temperature of the LED is increased to reduce the luminous efficiency and life of the LED.

Therefore, in order to improve heat dissipation of the LED mounting substrate, a number of patents other than Korean Patent Application Nos. 10-2009-97641, 10-2008-50519, 10-2009-93816, and 10-2007-106997 In the above, all of the insulation circuit boards are coupled to a heat sink having heat radiation fins to dissipate heat of the insulation circuit board and the LED on which the LED is mounted.

However, since the LED lamp for lighting is formed by coupling an insulation circuit board on which an LED is mounted on a heat sink, a layer formed by a gap is formed between the LED and the insulation circuit board, and the insulation circuit board and the heat sink are generated in the LED. Since the heat is transferred to the heat sink while the heat is accumulated between the layers, the heat conduction of the heat of the LED transferred to the heat sink is reduced by that amount, so that heat dissipation is not good.

In addition, there is a latent heat present between the insulation circuit board and the heat sink layer, so that the latent heat increases the heat of the LED, thereby shortening the life of the LED.

In addition, in the case of the LED lamp for lighting, it is formed by fixing a plurality of LEDs to the radiator, for example, if any one of the plurality of LEDs a failure occurs, the failure is not only replace the LED in which the failure occurs It is configured to replace the entire LED lamp, so that if the failure occurs, there is a problem in that the loss caused by the replacement of the entire good LED that does not occur.

The problem of the present invention is to prevent the life of the LED due to heat to increase the heat dissipation effect by directing the heat of the LED is directly conducted to the heat radiator.

Another problem of the present invention is to reduce the economic loss due to unnecessary replacement by making it possible to replace and repair only the defective LED assembly when any one of the plurality of LED assemblies occurs.

Another problem of the present invention is to improve the heat radiation structure and to increase the luminous efficiency of the LED.

Solving means of the present invention for solving the above problems is a socket coupled to the base is provided with a power supply circuit for supplying power to the LED module and the power supply terminal for outputting power from the power supply circuit; A support having a bar shape coupled to the socket and having a plurality of coupling ends radially formed on an outer circumferential surface thereof; A radiator having a coupling part attached to or detached from one of the plurality of coupling ends, a plurality of LED modules installed on the radiator, and a power receiving terminal coupled to the power supply terminal when the radiator is attached to the support; And at least one LED assembly including a power receiving circuit electrically connecting the power receiving terminal and the LED module.

In addition, in the present invention, the plurality of LED modules are installed on the upper surface of the heat sink, it is preferable that the diffusion heat dissipation surface formed to extend upward on both sides of the upper surface of the heat sink.

In addition, in the present invention, it is preferable that a reflective layer is applied to the inside of the diffusion heat dissipation surface.

In addition, in the present invention, an end of the heat sink is formed with connection holes provided with the power receiving terminal, and the power terminal has a pin shape so that the power terminal is inserted into the connection hole when the LED assembly is attached to the support. It is preferable to be electrically connected to the power receiving terminal.

Further, in the present invention, the fin-shaped power receiving terminal protrudes outward from an end of the heat sink, and the power terminal of the socket is formed in a clip shape when the LED assembly is attached to the support. It is preferable to be sandwiched.

In addition, in the present invention, the end cover is preferably provided at the end of the support.

In addition, in the present invention, it is preferable that the other end of the radiator is coupled to the end cover.

In the present invention, it is preferable that a floodlight cover is installed on the upper surface of the heat sink.

In the present invention, it is preferable that the bent portion bent inwardly is formed at the lower portion of the floodlight cover, and sliding grooves are formed at both side surfaces of the heat dissipating body so that the bent portion is slid to the sliding groove.

In addition, in the present invention, the power receiving terminal is preferably insulated from the heat sink.

In addition, another solution of the present invention is a socket coupled to the base and the power supply circuit for supplying power to the LED modules and the power supply terminal for outputting power from the power supply circuit is installed; A support having a bar shape coupled to the socket; The lower surface is coupled to the support and includes an LED assembly consisting of a heat dissipating element extending upwardly on both sides of the upper surface and the LED modules mounted on the upper surface.

In addition, in the present invention, the LED assembly is preferably detachable with the support.

According to the present invention having the above-mentioned problems and means, by directly mounting the LED module to the heat sink so that the heat generated from the LED module is directly radiated to the heat sink, accumulated heat or latent heat generated between the LED module and the heat sink Since it is possible to prevent the life of the LED module due to the heat is shortened to provide an effect that can prolong the life of the lamp.

In addition, the present invention by increasing the heat dissipation area upward by the diffusion heat dissipation surface of the heat sink, and by forming a reflective layer, thereby providing an effect of increasing the heat radiation effect and greatly improve the roughness.

In addition, the present invention is provided to replace the heat sink mounted with the LED module, it is not necessary to replace the entire lamp when the LED module failure can prevent the cost of the entire replacement of the AMP and facilitate the replacement Will provide an effect.

1 is a perspective view of a combination of the LED lamp for illumination of the present invention
Figure 2 is an exploded perspective view of the LED lamp for illumination of the present invention
Figure 3 is a perspective view of the main part of the LED lamp for illumination of the present invention
Figure 4 is a longitudinal cross-sectional view of the LED lamp for illumination of the present invention
Figure 5 is another embodiment of the LED lamp for illumination of the present invention
6 is a perspective view of the LED replacement of the LED lamp for illumination of the present invention

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
As shown in FIG. 1 and FIG. 2, the socket 10, the support 20, and the LED assembly 30 are included.
The socket 10 has a base 11 coupled to a rear end thereof, and a power supply terminal 13 for outputting power of the power supply circuit 12 and the power supply circuit 12 to the inside of the front end of the base 11. Done.

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The power supply terminal 13 has a pin terminal or a clip terminal.

The support 20 is composed of a cylindrical portion (bar) of the cylindrical bar (bar), but is not limited to this form, one end is fixedly coupled to the socket 10 and the coupling end portion 22 on the outer peripheral surface ) Is formed and the LED assembly 30 to be described later is detached, and the end cover 34 is installed at the other end.
The coupling end 22 of the support 20 is radially formed on the outer circumferential surface.

The cylindrical portion 21 of the support 20 to form a slit groove radially, and to form a protrusion in the LED assembly 30 to slide the protrusion of the LED assembly 30 in the slit groove of the cylindrical portion 21 It is also possible to combine the LED assembly 30 and the cylindrical portion 21 by inserting it.

As shown in FIG. 3, the LED assembly 30 includes an LED module 31, a heat sink 32, a floodlight cover 33, and an end cover 34.

The LED module 31 is a unit to turn on the LED, the LED module 31 is composed of an LED and a feeder for supplying power to the LED.

The heat dissipating member 32 is configured to radiate heat generated from the LED module 31, and the heat dissipating member 32 is formed of an aluminum material having a predetermined length and width of metal, and the LED module 31 is The upper part is installed in a plane, but the groove 324 is formed in the center of the upper portion, the LED module 31 is mounted on the groove 324, the outer side of the groove 324 of the upper side of the LED module 31 A power receiving circuit, not shown, is formed to be connected to the feeder.

In addition, the bottom surface of the heat dissipator 32 is formed with a coupling portion 323 which is detachable from the coupling end 22 of the support 20, and the bottom surface and the side to form a plurality of heat radiation fins 321. Both sides of the upper portion is formed to extend upwardly along the longitudinal direction to form a diffusion heat dissipation surface 322 for diffusing and radiating heat integrally.

Here, the coupling end 22 of the support 20 may be formed in any one of a cross section, a circular, square or inverted triangle, so that the coupling portion 323 may be detachable in accordance with the shape of the coupling end 22. It is made to be.

In addition, the coupling portion 323 is to be included in the protruding shape to be easily inserted and coupled to the coupling end portion 22 of the slit groove form of the support 20 is not easily separated.

On the other hand, as shown in Figure 4, one end of the heat sink 32 is formed with a connection hole 326 is inserted into the pin-shaped power supply terminal 13, the interior of the connection hole 326 and the power receiving circuit When the power supply terminal 13 is inserted and connected to the power supply terminal 13, a power receiving terminal 329 for supplying power from the power supply terminal 13 to the LED is installed.

 In addition, as shown in FIG. 5, a fin-shaped power receiving terminal 329 coupled to the power receiving circuit is protruded at one end of the heat sink 32, and the power supply terminal 13 of the socket 10 is the power receiving unit. The terminal 329 is formed to be sandwiched so that the power supply terminal 13 and the power receiving terminal 329 of the socket 10 are electrically connected when the heat sink 32 is coupled to the support 20. Make sure the LED is powered.

In addition, the heat dissipator 32 collects the light of the LED module 31 by applying the reflective layer 327 to the surface of the diffusion heat dissipation surface 322.

A sliding groove 328 to which the floodlight cover 33 is detachably attached is formed on the side surface of the heat sink 32 along the longitudinal direction.

The floodlight cover 33 is attached to the upper portion of the radiator 32 to prevent the LED module 31 and to prevent glare of the light source, the floodlight cover 33 is a transparent or translucent synthetic resin It is provided with.

The floodlight cover 33 is provided with a hemispherical shape, a polygonal upper surface, and has a bent portion 331 that is bent inwardly so as to be coupled to the sliding groove 328 of the heat sink 32. Sliding to and attach it.

The end cover 34 is provided to be detachably attached to any one of the other side of the support 20 and screwed or hooked (not shown) LED module of the LED assembly 30 to the other side of the support 20 ( 31), it is easy to prevent the separation and replacement of the heat sink 32 and the floodlight cover 33 coupled to the heat sink 32.

As such, the LED assembly 30 having the LED module 31 and the floodlight cover 33 mounted on the heat sink 32 is coupled to the support 20, wherein the heat sink 32 of the LED assembly 30 is provided. The coupling part 323 formed in the sliding part is inserted into the coupling end portion 22 protruding radially from the cylindrical portion 21 of the support 20 to radially couple the LED assembly 30 to the support 20. do.

Alternatively, the coupling part 323 of the heat sink 32 is provided to protrude, and the coupling part 323 of the heat sink 32 is provided with a slit groove at the coupling end 22 of the support 20. It may be coupled by sliding insertion into the coupling end 22 of the support 20.

Then, when the assembly of the LED assembly 30 to the support 20 is completed, the other end of the support 20 is coupled to the end cover 34 by any one of a screw or hook coupling LED assembly from the support 20 The LED module 31 of the 30, the heat dissipating member 32 and the transparent cover 33 coupled to the heat dissipating member 32 are fixed so as not to be separated, and the end cover 34 when the LED assembly 30 is replaced. ), The replacement is easy.

Subsequently, when the LED assembly 30 is coupled to the support 20, the pin-shaped power supply terminal 13 installed in the socket 10 is disposed in the connection hole 326 of the heat sink 32, as shown in FIG. 4. As shown in FIG. 5, when a power receiver terminal, such as a fin shape of a heat sink 32, is inserted into and sandwiched with a power terminal 13 formed in a clip terminal shape, power is supplied to the LED to emit light. Be sure to

At this time, the light source of the LED module 31 that emits light is reflected and condensed by the reflective layer 327 formed inside the diffusion heat dissipation surface 322 extending upward from both sides of the upper surface of the heat dissipator 32.

The heat generated from the LED module 31 of the LED assembly 30 is directly transmitted to the heat dissipation body 32 while being radiated to the heat dissipation fins 321 provided on the bottom and side surfaces thereof. Since the diffusion heat is made to the upper by, the heat generated from the LED module 31 is diffused and radiated in three directions of upward, side, and downward through the radiator 32, so that the latent heat due to the increase of the heat radiation area Alternatively, the life of the LED module 31 may not be shortened due to deterioration of the LED module 31 due to heat to be immediately released without heat storage.

Meanwhile, when one LED of the LED module 31 does not emit light when driving LEDs of the plurality of LED assemblies 30 occur, as shown in FIG. 6, an end cover is formed from the support 20. After removing the 34, the LED assembly 30 of the LED which does not emit light can be detached from the support 20, and the new LED assembly 30 can be easily replaced. There is no need to replace, thereby greatly reducing the cost of replacing the entire lamp.

10; Socket 11; Base
12; Power supply circuit 13; Power terminal
20; Support 21; Cylindrical portion
22; Coupling end 30; LED Assembly
31; LED module 32; Radiator
321; Heat dissipation fins 322; Diffuse Radiation Surface
323; Coupling portion 324; Groove
325; Insulating layer 326; Connecting hole
327; Reflective layer 328; Sliding groove
329; Receiver terminal 33; Floodlight cover
331; Bend 34; End cover

Claims (12)

A socket coupled to the base and provided with a power circuit for supplying power to the LED modules and a power terminal for outputting power from the power circuit;
A support having a bar shape coupled to the socket and having a plurality of coupling ends radially formed on an outer circumferential surface thereof;
A radiator having a coupling part attached to or detached from one of the plurality of coupling ends, a plurality of LED modules installed on the radiator, and a power receiving terminal coupled to the power supply terminal when the radiator is attached to the support; And at least one LED assembly including a power receiving circuit for electrically connecting the power receiving terminal and the LED module. The LED lamp of claim 1, wherein the plurality of LED modules are installed on an upper surface of the heat sink, and a diffusion heat radiation surface is formed on both sides of an upper surface of the heat sink. The LED lamp for lighting of claim 2, wherein a reflective layer is applied to the inner side of the diffusion heat dissipation surface. According to claim 1, wherein the end of the heat sink is formed with connection holes provided with the power receiving terminal, the power terminal is formed in a pin shape when the LED assembly is attached to the support when the power terminal is inserted into the connection hole LED lamp for lighting, characterized in that electrically connected to the receiving terminal. The method of claim 1,
A fin-shaped power receiving terminal protrudes outward from an end of the heat sink, and a power supply terminal of the socket is formed in a clip shape so that the power receiving terminal is sandwiched by the power supply terminal when the LED assembly is attached to the support. LED lamp for lighting. The LED lamp for illumination of claim 1, wherein an end cover is installed at an end of the support. 7. The LED lamp of claim 6, wherein the other end portion of the heat sink is coupled to the end cover. According to claim 1, LED lamp for illumination, characterized in that the floodlight is installed on the upper surface of the heat sink. The LED lamp of claim 8, wherein a bent portion bent inwardly is formed at a lower portion of the floodlight cover, and sliding grooves are formed at both side surfaces of the heat sink, and the bent portion is slidably coupled to the sliding groove. . The LED lamp for lighting of claim 1, wherein the power receiving terminal is insulated from the heat sink. A socket coupled to the base and provided with a power circuit for supplying power to the LED modules and a power terminal for outputting power from the power circuit;
A support having a bar shape coupled to the socket;
The LED lamp for illumination comprising a LED assembly comprising a bottom surface is coupled to the support and the heat dissipation surface extending upwardly on both sides of the upper surface and the LED modules mounted on the upper surface. 12. The LED lamp of claim 11, wherein the LED assembly is detachable from the support.

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