KR20120111605A - Led lighting apparatus provided with heat sink - Google Patents

Led lighting apparatus provided with heat sink Download PDF

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Publication number
KR20120111605A
KR20120111605A KR1020110030180A KR20110030180A KR20120111605A KR 20120111605 A KR20120111605 A KR 20120111605A KR 1020110030180 A KR1020110030180 A KR 1020110030180A KR 20110030180 A KR20110030180 A KR 20110030180A KR 20120111605 A KR20120111605 A KR 20120111605A
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KR
South Korea
Prior art keywords
heat sink
led
support ring
heat
holder
Prior art date
Application number
KR1020110030180A
Other languages
Korean (ko)
Inventor
민병롱
Original Assignee
주식회사 세미라인
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Application filed by 주식회사 세미라인 filed Critical 주식회사 세미라인
Priority to KR1020110030180A priority Critical patent/KR20120111605A/en
Publication of KR20120111605A publication Critical patent/KR20120111605A/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

PURPOSE: An LED lighting apparatus with a heat sink is provided to improve heat dissipation efficiency by discharging heat generated by light through a heat sink assembly in which an upper holder, a core, a lower holder, and a heat sink are assembled in a round shape. CONSTITUTION: A power supply unit includes a socket(B1) inserted into a lighting apparatus. An upper holder(2200) is fixed to the power supply unit. A heat sink assembly(A) includes a plurality of cooling fins(1000). A core(2100) is arranged in the center of the heat sink assembly. A lower holder(2300) is closely attached to a lower part of the heat sink assembly.

Description

LED lighting with heat sink {LED LIGHTING APPARATUS PROVIDED WITH HEAT SINK}

The present invention relates to an LED lighting having a heat sink, and more particularly, the heat dissipation part is light, but also excellent in heat dissipation efficiency, good bending strength, and less likely to injure the hand of the operator during assembly, as well as after assembly The present invention relates to an LED light having a heat sink capable of securing excellent assembly strength.

In general, LED has the advantages of low power consumption, fast response speed, eco-friendly and high efficiency compared to conventional lighting devices such as fluorescent lamps, halogen lamps and incandescent lamps. In recent years, LEDs have been commercialized to replace conventional lighting devices. It is a trend.

Such LED (hereinafter, referred to as “LED”) stands for Light Emitting Diode and is called a light emitting diode. The LED is a semiconductor device that emits light when a voltage is applied in the forward direction. The emission principle is electroluminescence, which injects electrons and holes by an electric field and emits light by recombination. The light emission color of the LED varies depending on the material used, and the light emitted from the ultraviolet ray to the visible ray and the infrared ray ray can be produced.

However, LEDs must be provided with heat dissipation means such as heat sinks when high outputs are required, and there is a disadvantage in that the lifespan and performance of the LEDs are significantly reduced when heat dissipation means is not provided.

In particular, the LED must have a heat dissipation means, so that the light is not irradiated in the rear direction of the LED blocked from the heat sink, there is a problem that the light is emitted only in the lower direction of the LED.

In order to solve these shortcomings, the 'LED lighting device' has been proposed by the applicant of the Republic of Korea Patent Publication No. 10-2011-12001 to the Republic of Korea Patent Office, when the LED lighting device is installed to emit light, the light to the back of the LED lighting device This can be emitted, the light emitted to the back of the LED lighting device can be more diffused and emitted, when replacing the parts according to the installation space of the LED lighting is easier to replace the parts to improve the practicality.

However, such a heat dissipation part is manufactured by aluminum die casting, it has a lot of weight, and also has a high manufacturing cost and is expensive and difficult to manufacture. In addition, research to maximize the emission of heat generated by the LED lamp is ongoing.

In addition, there is a problem that can not be installed in the ballast is installed only the ballast for supplying electricity to the construction site.

In addition, a lot of research continues to transmit LED light using a diffused lens to a far distance.

The present invention is to solve the above problems, when the LED connected to the LED printed circuit board through the power supply and the upper holder and the core and the lower holder is turned on the light is collected through the LED receiving portion of the lens, At this time, the heat generated is discharged through the heat sink assembly in which the upper holder, the core and the lower holder, and the heat sink are annularly assembled, so that the heat dissipation part is light and has excellent heat dissipation efficiency, and has good bending strength, The purpose of the present invention is to provide an LED light having a heat sink that can secure a very good assembly strength after assembling, as well as less fear of injury.

According to the present invention, the embossing and the through hole are formed in the heat sink to provide excellent bending strength and heat dissipation effect, and each heat sink is connected to the core by a catch and a recess provided in the upper holder seat fastening part and the lower holder seat fastener. The purpose is to provide LED lighting having a heat sink that can be continuously and firmly connected.

The present invention is easy to assemble the power supply unit consisting of a power case assembly or a socket, it is possible to seat the heat sink support ring to the heat sink support ring seating portion, it can guide the lower holder and the LED printed circuit board by the protrusion guide portion. It is an object of the present invention to provide an LED light having a heat sink that is not damaged by the operator when the heat sink outer surface portion.

The object of the present invention is to provide an LED light having a heat sink that prevents the intrusion of insects toward the LED module and the lens is formed in a direction perpendicular to the heat sink portion worm penetration prevention portion.

It is an object of the present invention to provide an LED lighting having a heat sink that is easy to install and use where the power ballast construction is already in the ceiling.

The present invention, if the power supply includes a power case that is coupled to one end to the socket and a power case accommodated therein, and a power case plate coupled to the other end of the power case LED where the electrical ballast construction is not in the ceiling It is an object of the present invention to provide an LED lighting having a heat sink that is easy to install the lighting.

The present invention is to provide an LED light and the like with a heat sink that can be firmly supported in a state in which the auxiliary heat radiating plate support ring is inserted into the auxiliary heat radiating plate support ring seating portion formed in a straight line on the outer side of the heat radiating plate at a constant interval. The purpose is.

LED lighting having a heat sink according to the present invention, the power supply is provided with a socket to be supplied to the light fixture while the power is supplied from the top; An upper holder fixed to the power supply unit; A heat sink assembly in which a plurality of heat sinks are annularly connected to each other while being in close contact with a lower portion of the upper holder; A core disposed in the center of the heat sink assembly such that each heat sink is fitted to an outer circumferential surface thereof; A heat sink support ring having a serrated groove formed on an inner circumferential surface of the heat sink assembly to be inserted into each heat sink to maintain a gap between the heat sinks; A lower holder assembled to the other end of the core and in close contact with a lower portion of the heat sink assembly; An LED printed circuit board attached to the lower holder with a thermal conductive adhesive; The lens is fastened to the lower holder and formed with an LED receiving portion to surround each LED installed on the LED printed circuit board.

The present invention, the heat sink is a plurality of reinforcing embossing is formed in the width direction and the heat sink plate formed with a plurality of through holes at regular intervals between the embossing, and one side of the heat sink is formed on the outer peripheral surface of the core A core fitting portion formed to be fitted into the groove, an upper holder seating fastening portion provided with a bent molded locking portion and a blanking locking groove at an upper portion at which the upper holder is seated, and a lowered bending latch at a lower portion at which the lower holder is seated; Characterized in that the lower holder seating fastening portion provided with a blanking locking groove.

According to the present invention, a power supply guide guide protrusion (socket guide protrusion) is formed on the radially outer surface of the upper holder seat fastening part to guide the power case assembly or the socket, and the heat sink is supported on the radially outer side of the lower holder seat fastener. Protruding guide for protruding downward between the heat sink support ring seating portion formed to seat the ring and the lower holder seat fastening portion and the heat sink support ring seating portion to guide the LED holder circuit fixed to the lower holder and the lower holder. And a heat sink outer side portion connecting the power supply guide protrusion (socket guide protrusion) and the heat sink support ring seating portion, and the heat sink outer side surface portion is folded and overlapped or bent at right angles.

The present invention is characterized in that the protruding guide portion is provided with a worm intrusion prevention portion bent a predetermined length in a direction perpendicular to the heat sink.

The present invention, the power supply unit (power case assembly), the one end is coupled to the socket and a power case containing a power safety device therein, and a power case plate coupled to the other end of the power case, the core fit The connection between the upper and the holder seat fastening portion is characterized in that the inclined portion is inclined so that the cross-section becomes smaller gradually from the core fitting portion to the upper holder seat fastening portion is folded and overlapping the heat sink.

The present invention is characterized in that the heat dissipating plate support ring seating portion is formed in a certain length straight line on the outer surface of the heat sink, and the auxiliary heat dissipating plate support ring seating portion is provided with an auxiliary heat sink support ring formed so that the serrated grooves are fitted into the inner peripheral surface, respectively. do.

According to the LED lighting having a heat sink of the present invention as described above, the light is collected through the LED receiving portion of the lens to illuminate, the heat generated at this time is the heat of the upper holder and the core and the lower holder and the heat sink assembled in an annular shape Since it is discharged through the sink assembly, the heat dissipation part is not only light and excellent in heat dissipation efficiency, but also has good bending strength, and is less likely to cause injury to the worker's hand during assembly. It works.

According to the LED lighting and the like provided with the heat sink of the present invention, there is an effect that each heat sink can be continuously and firmly connected to the core.

According to the LED lighting and the like provided with a heat sink of the present invention, it is easy to assemble the power supply, there is an effect that can prevent the intrusion of insects toward the LED module and the lens.

According to the LED lighting and the like provided with a heat sink of the present invention, there is an effect that it is easy to install and use where the power ballast construction is already in the ceiling.

According to the LED lighting having a heat sink of the present invention, when the power supply unit is made of a power case and a power case plate in which a socket and a power safety device are accommodated, there is an effect that it is easy to install the LED lighting in a place where the electric ballast construction is not performed on the ceiling. .

According to the LED lighting having the heat sink of the present invention, the auxiliary heat sink support ring seating portion formed in a straight line of a predetermined length of the heat sink outer surface portion is inserted into the auxiliary heat sink support ring has the effect of firmly supporting the heat sink at a constant interval. have.

1 is an exploded view of the LED lighting having a heat sink according to an embodiment of the present invention,
2 is an assembled cross-sectional view of FIG.
3 is a perspective view showing a heat sink according to an embodiment of the present invention;
4 is a front view of FIG. 3;
5 is a rear view of FIG. 3;
6 is a rear perspective view of FIG. 3;
7 is an assembly view of the LED lighting having a heat sink according to another embodiment of the present invention,
8 is a perspective view showing a heat sink according to another embodiment of the present invention;
9 is a rear perspective view of FIG. 8.

Hereinafter, with reference to the accompanying drawings will be described in detail LED lighting having a heat sink according to the present invention.

1 is an exploded view of the LED lighting having a heat sink according to an embodiment of the present invention, Figure 2 is an assembled cross-sectional view of Figure 1, Figure 3 is a perspective view showing a heat sink according to an embodiment of the present invention, Figure 4 3 is a front view of FIG. 3, FIG. 5 is a rear view of FIG. 3, and FIG. 6 is a rear perspective view of FIG. 3.

In adding the reference numerals to the components of the drawings, the same components are to have the same reference numerals as possible even if displayed on different drawings, and known functions that are determined to unnecessarily obscure the subject matter of the present invention Detailed description of the configuration will be omitted. Also, directional terms such as 'top', 'bottom', 'front', 'back', 'tip', 'front', 'back' and the like are used in connection with the orientation of the disclosed figure (s). Since the elements of the embodiments of the present invention can be positioned in various orientations, the directional terminology is used for illustrative purposes, not limitation.

LED lighting having a heat sink according to an embodiment of the present invention, as shown in Figure 1 and 2, the power supply unit B is supplied with power from the top, the upper holder 2200 fixed to the power supply unit, The heat sink assembly (A), which is attached to the lower portion of the upper holder while being connected in an annular manner, is connected to the annular core, and the core is disposed at the center of the heat sink assembly such that each of the heat sinks is fitted to the outer circumferential surface thereof. 2100 and a heat sink support ring 3000 having a serrated groove formed on an inner circumferential surface of the heat sink assembly A to be inserted into each heat sink to maintain a gap between the heat sinks, and the other end of the core. A lower holder 2300 in close contact with the bottom of the sink assembly A, an LED printed circuit board 4000 attached to the lower holder 2300 with a thermally conductive adhesive, and the lower holder 2300 to be fastened to the LED. Consists of a lens 6000 so as to surround the respective LEDs 4100 printed circuit board installed in the LED receiving portion 6100 is formed.

Therefore, when the LED 4100 connected to the LED printed circuit board 4000 is turned on through the power supply B, the upper holder 2200, the core 2100, and the lower holder 2300, the LED accommodation of the lens 6000 is received. Light is collected through the unit 6100 to illuminate, and the heat generated is emitted through the upper holder 2200 and the core 2100 and the lower holder 2300 and the heat sink assembly A.

Here, the power supply unit (B; power case assembly), a socket (B1) to be fitted to the light fixture, and a power case (B2) having one end coupled to the socket and a power safety device (Ba) therein, and the It consists of a power case plate (B3) coupled to the other end of the power case.

Therefore, the power case (B2) is a power safety device (Ba) is accommodated it is possible to conveniently perform electrical work in the place where no separate ballast is installed on the ceiling of the factory.

1 to 6, a plurality of reinforcing embossing 1110 is formed in the width direction and a plurality of through holes 1120 are formed at regular intervals between the embossings as shown in FIGS. 1 to 6. The formed heat sink plate 1100, the core fitting portion 1200 formed to fit into the groove 2110 formed on the outer circumferential surface of the core 2100, and the upper holder 2200 are seated on one side of the heat sink 1000. The upper holder seating fastening portion 1300 having a bent hook 1310 and the blanking locking groove 1320 is formed in the upper portion, and the bent hook 1510 in the lower portion is seated the lower holder 2300 And a lower holder seat fastening portion 1500 provided with a locking groove 1520 that is blanked.

Therefore, the embossing 1110 and the through-hole 1120 are formed in the heat sink 1100 to provide excellent bending strength and heat dissipation effect, as well as the upper holder seating portion 1300 and the lower holder seating portion 1500. Each of the heat sinks 1000 may be continuously and firmly connected to the core 2100 by the provided locking holes 1310 and 1510 and the locking grooves 1320 and 1520.

Here, the power supply unit guide protrusion 1400 may be formed to protrude on the radially outer surface of the upper holder seating unit 1300 to guide the power case assembly B.

Therefore, the power supply guide protrusion 1400 protrudes from the radially outer surface of the upper holder seating portion 1300 so that the power supply guide protrusion 1400 guides the power case assembly when the power case assembly B is assembled. Easy to assemble, as well as to increase the heat dissipation area to improve the heat dissipation efficiency.

The heat sink plate support ring seating portion 1600 may be configured such that the heat sink plate support ring 3000 is seated on the radially outer side of the lower holder seating fastener 1500.

Therefore, the heat sink plate support ring 3000 is easily inserted by the heat sink plate support ring seating portion 1600 formed on the radially outer side of the lower holder seating portion 1500 to facilitate assembly.

In addition, it protrudes downward between the lower holder seat fastening portion 1500 and the heat sink support ring seating portion 1600 to guide the LED holder circuit board 4000 fixed to the lower holder 2300 and the lower holder. Protruding guide portion 1700 may be configured.

Accordingly, the LED guide circuit board fixed to the lower holder 2300 and the lower holder is protruded by the protrusion guide portion 1700 protruding downward between the lower holder seating portion 1500 and the heat sink support ring seating portion 1600. It is easy to guide when assembling 4000).

Meanwhile, the heat dissipation plate outer surface portion 1800 connecting the power supply guide guide protrusion 1400 and the heat dissipation plate support ring seat 1600 may be folded and overlapped with the heat dissipation plate.

Therefore, the flexural strength is excellent by the heat sink outer surface 1800, as well as the assembler is not damaged by the heat sink outer surface 1800 by folding the heat sink outer surface 1800 when assembling the heat sink 1000, By increasing the heat dissipation area of the heat sink 1000, the heat dissipation efficiency is increased while aesthetics are excellent.

In addition, the connection between the core fitting portion 1200 and the upper holder seating portion 1300 is inclined to the heat sink plate 1110 so that the cross section becomes smaller gradually from the core fitting portion 1200 to the upper holder seating portion 1300. ) Is preferably folded and overlapped.

Therefore, the inclined portion of the core fitting portion 1200 and the upper holder seating portion 1300 is excellent in flexural strength and is not damaged by the folded inclined portion when assembling the heat sink 1000.

In addition, the protrusion guide portion 1700 is provided with a worm intrusion prevention portion 1710 bent a predetermined length in a direction perpendicular to the heat sink.

Therefore, the worm intrusion prevention unit 1710 prevents the insect from invading between the LED module and the lens (not shown) after assembly of the heat sink 1000.

Meanwhile, the LED accommodating part 6100 of the lens 6000 may be modified in various ways depending on the shape of each LED 4100 installed on the LED printed circuit board 4000 or the light transmission range.

Figure 7 shows an LED lamp having a heat sink according to another embodiment of the present invention, compared to the LED lamp using a heat sink of one embodiment is a structure without a power case assembly. On the other hand, description overlapping with the description of FIGS. 1 to 6 will be omitted.

That is, the LED lamp of FIG. 7 includes a power supply B consisting of a socket B1 having a base, an upper holder 2200 assembled with the power supply, and a core having one end assembled to the upper holder. 2100, a lower holder 2300 on which the other end of the core is assembled, and a heat sink 5000 according to another embodiment, which is inserted between the upper holder 2200 and the lower holder 2300 and assembled to the outer circumferential surface of the core 2100. Heat sink assembly (A) having a heat sink, a heat sink support ring (3000) having a serrated groove formed on an inner circumferential surface of the heat sink assembly to be inserted into the respective heat sinks to maintain a gap between the heat sinks, and the lower holder (2300). LED printed circuit board (4000) attached to the thermal conductive adhesive) and the LED receiving portion (6100) fastened to the lower holder (2300) to surround each LED (4100) installed in the LED printed circuit board The lens 6000 is formed.

Therefore, the LED lamp according to another embodiment is easy to install and use where the power ballast construction is already in the ceiling, it is preferable to use the LED lamp of about 130W.

Here, as shown in FIGS. 8 and 9, the heat sink 5000 includes a plurality of reinforcing embossings 5110 in the width direction and a plurality of through holes 5120 at regular intervals between the embossings. The formed heat sink part 5100 and the core fitting part 5200 formed to fit into grooves formed on the outer circumferential surface of the core 2100 are formed on one side of the heat sink 5000, and an upper part on which the upper holder 2200 is seated. The upper holder seat fastening portion 5300 is provided with the bent fastening latch 5310 and the blanking locking groove 5320, and the bent fastening latch 5510 and blanking in the lower portion where the lower holder 2300 is seated It includes a lower holder seat fastening portion 5500 is provided with a locking groove 5520.

Therefore, the embossing 5110 and the through hole 5120 are formed in the heat sink part 5100 to provide excellent bending strength and heat dissipation effect, as well as the upper holder seating part 5300 and the lower holder seating part 5500. Each of the heat sinks 5000 may be continuously and firmly connected to the core 2100 by the provided locking holes 5310 and 5510 and the locking grooves 5320 and 5520.

Here, the socket guide protrusion 5400 may be formed to protrude on the radially outer surface of the upper holder seating part 5300 to guide the socket B1.

Accordingly, the socket guide protrusion 5400 protrudes from the radially outer surface of the upper holder seating part 5300 so that the socket guide protrusion 5400 guides the socket when assembling the socket B, thereby facilitating assembly.

The heat sink plate support ring seating portion 5600 may be configured to allow the heat sink plate support ring 3000 to be seated on the radially outer side of the lower holder seat fastening portion 5500.

Therefore, the heat sink plate support ring 3000 is easily inserted by the heat sink plate support ring seating portion 5600 formed on the radially outer side of the lower holder seat fastening portion 5500, thereby facilitating assembly.

In addition, it protrudes downward between the lower holder seat fastening portion 1500 and the heat sink support ring seating portion 1600 to guide the LED holder circuit board 4000 fixed to the lower holder 2300 and the lower holder. Protruding guide portion 5700 may be configured.

Therefore, the LED guide circuit board fixed to the lower holder 2300 and the lower holder is projected by the protrusion guide portion 5700 protrudes downward between the lower holder seat fastening portion 5500 and the heat sink support ring seating portion 5600 ( It is easy to guide when assembling 4000).

Meanwhile, the heat dissipation plate outer surface portion 5800 connecting the power supply guide guide protrusion 5400 and the heat dissipation plate support ring seat 5600 may be bent the heat dissipation plate.

Therefore, the flexural strength is excellent by the heat sink outer surface portion 5800, as well as the assembler is not injured by the heat sink outer surface portion 5800 during assembly of the heat sink 5000, the heat sink ( Aesthetically, the merchandise is excellent in terms of 5000).

In addition, the protruding guide portion 5000 has an insect intrusion prevention portion 5710 bent a predetermined length in a direction perpendicular to the heat sink.

Therefore, the insect intrusion prevention part 5710 prevents the insect from invading between the LED module and the lens (not shown) after assembly of the heat sink 5000.

In addition, an auxiliary heat dissipation plate support ring seating portion 5810 formed in a predetermined length is formed at an intermediate position of the heat sink outer side surface portion 5800, and the auxiliary heat dissipation plate support ring seating portion 5810 has a tooth-shaped groove formed on an inner circumferential surface thereof. It is preferable that the heat sink support ring 7000 is fitted.

Therefore, the auxiliary heat radiation plate support ring seat portion 5810 may be inserted into the auxiliary heat radiation plate support ring 7000 to support the long heat radiation plate 5000 more firmly and stably, thereby increasing heat dissipation effect.

The embodiments of the present invention described above and illustrated in the drawings should not be construed as limiting the technical spirit of the present invention. The scope of protection of the present invention is limited only by the matters described in the claims, and those skilled in the art will be able to modify the technical idea of the present invention in various forms. Accordingly, such improvements and modifications will fall within the scope of the present invention if they are apparent to those skilled in the art.

1000: heat sink 1100: heat sink
1110: embossing 1120: through hole
1200: core fitting 1300: upper holder seating portion
1310: latching opening 1320: locking groove
1400: power supply guide protrusion 1500: lower holder seat mounting
1510: hanger 1520: hanger
1600: heat sink support ring seating portion 1700: protrusion guide portion
1710: insect intrusion prevention unit 1800: the outer surface of the heat sink
1900: light emitting panel 2100: core
2110: groove 2200: upper holder
2300: lower holder 3000: heat sink support ring
4000: LED printed circuit board 5000: heat sink
6000: lens 7000: auxiliary heat sink support ring
A: heat sink assembly B: power supply (power case assembly)

Claims (6)

A power supply unit having a socket B1 supplied from the top to a light fixture;
An upper holder 2200 fixed to the power supply unit;
A heat sink assembly A in close contact with the lower portion of the upper holder and assembled with a plurality of heat sinks 1000 connected in an annular shape;
A core 2100 disposed in the center of the heat sink assembly such that each heat sink is fitted to an outer circumferential surface thereof;
A heat sink support ring 3000 having a serrated groove formed on an inner circumferential surface of the heat sink assembly A to be inserted into each heat sink to maintain a gap between the heat sinks;
A lower holder 2300 assembled to the other end of the core and in close contact with a lower portion of the heat sink assembly A;
An LED printed circuit board 4000 attached to the lower holder 2300 with a thermal conductive adhesive;
LED light having a heat sink, characterized in that consisting of; lens 6000 is fastened to the lower holder 2300, the LED receiving portion 6100 is formed to surround each LED 4100 installed on the LED printed circuit board; . The method of claim 1,
The heat sinks 1000 and 5000 may include a plurality of reinforcing embossing 1110 and 5110 in the width direction and a plurality of through holes 1120 and 5120 at regular intervals between the embossings. 5100),
Core fitting parts 1200 and 5200 formed on one side of the heat sinks 1000 and 5000 are fitted into grooves formed on the outer circumferential surface of the core 2100, and
The upper holder seating portion (1300, 5300) is provided with a locking hook (1310, 5310) and the blanking locking grooves (1320, 5320) blanked in the upper portion on which the upper holder 2200 is seated;
The lower holder 2300 is seated on the lower portion is formed by the lower holder seating portion (1500, 5500) is provided with a locking hook (1510, 5510) and a blanking locking groove (1520, 5520) LED lighting with heat sink. The method of claim 1,
A power supply part guide protrusion (1400, 5400; socket guide protrusion) formed to protrude on the radially outer surfaces of the upper holder seating parts 1300 and 5300 to guide the power case assembly B or the socket;
Radiating plate support ring seating portions 1600 and 5600 formed such that the radiating plate support ring 3000 is seated on the radially outer side of the lower holder seating portions 1500 and 5500;
Between the lower holder seating parts 1500 and 5500 and the heat sink support ring seating parts 1600 and 5600 to protrude downward and fix the lower holder 2300 and the LED printed circuit board 4000 fixed to the lower holder. Protruding guide portions 1700 and 5700 to guide,
A heat sink outer surface portion 1800 and 5800 connecting the power supply guide protrusions 1400 and 5400 to the socket guide protrusions and the heat sink support ring seating portions 1600 and 5600;
The heat dissipating plate outer surface (1800, 5800) is a LED lamp having a heat dissipating plate, characterized in that the heat sink (1100, 5100) is folded or overlapping or bent at a right angle. 4. The method according to any one of claims 1 to 3,
LED projection light having a heat sink, characterized in that the protrusion guide portion (1700,5700) is provided with a worm intrusion prevention portion (1710,5710) bent a predetermined length in a direction perpendicular to the heat sink. The method of claim 4, wherein
The power supply unit B includes a power case B2 having one end coupled to the socket and a power safety device Ba accommodated therein, and a power case plate B3 coupled to the other end of the power case. ),
The inclination portion of the core fitting portion 1200 and the upper holder seat mounting portion 1300 is inclined so as to have a smaller cross section while going from the core fitting portion 1200 to the upper holder seating portion 1300 and the heat sink portion 1100. LED lighting having a heat sink characterized in that the overlapping. According to claim 4,
The heat dissipating plate outer surface portion 5800 is formed with a subsidiary heat dissipating plate support ring seat portion 5810 in a predetermined length straight line,
LED lighting lamp having a heat sink, characterized in that the auxiliary heat sink support ring seating portion (5810) is provided with a secondary heat sink support ring (7000) formed so as to fit each of the groove-shaped grooves on the inner peripheral surface.
KR1020110030180A 2011-04-01 2011-04-01 Led lighting apparatus provided with heat sink KR20120111605A (en)

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KR1020110030180A KR20120111605A (en) 2011-04-01 2011-04-01 Led lighting apparatus provided with heat sink

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KR20120111605A true KR20120111605A (en) 2012-10-10

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101351986B1 (en) * 2013-04-05 2014-01-24 대원루스터 주식회사 Led blub for easily combine of joining member
KR101508326B1 (en) * 2014-10-23 2015-04-07 주식회사 청남아이티 Heat sink assembly for LED lighting
CN107202255A (en) * 2017-06-21 2017-09-26 厦门立达信绿色照明集团有限公司 Light-emittingdiode lamp
KR102128221B1 (en) * 2020-05-15 2020-06-29 주식회사 레젠 Disciform heat sink

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101351986B1 (en) * 2013-04-05 2014-01-24 대원루스터 주식회사 Led blub for easily combine of joining member
KR101508326B1 (en) * 2014-10-23 2015-04-07 주식회사 청남아이티 Heat sink assembly for LED lighting
CN107202255A (en) * 2017-06-21 2017-09-26 厦门立达信绿色照明集团有限公司 Light-emittingdiode lamp
KR102128221B1 (en) * 2020-05-15 2020-06-29 주식회사 레젠 Disciform heat sink

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