KR200464144Y1 - The led lamp - Google Patents

The led lamp Download PDF

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Publication number
KR200464144Y1
KR200464144Y1 KR2020120008321U KR20120008321U KR200464144Y1 KR 200464144 Y1 KR200464144 Y1 KR 200464144Y1 KR 2020120008321 U KR2020120008321 U KR 2020120008321U KR 20120008321 U KR20120008321 U KR 20120008321U KR 200464144 Y1 KR200464144 Y1 KR 200464144Y1
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KR
South Korea
Prior art keywords
heat dissipation
heat
dissipation plate
circuit board
leds
Prior art date
Application number
KR2020120008321U
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Korean (ko)
Inventor
김종대
박동섭
강동완
노현아
Original Assignee
(주)엠이씨
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Priority to KR2020120008321U priority Critical patent/KR200464144Y1/en
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Publication of KR200464144Y1 publication Critical patent/KR200464144Y1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-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
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • F21K9/23Retrofit 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/104Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening using feather joints, e.g. tongues and grooves, with or without friction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/12Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Abstract

The present invention relates to an LED lighting device.
LED lighting device of the present invention is coupled to the socket of the luminaire having a terminal for electrically connecting the terminal member of the hollow structure to form a semi-circular sphere; It is installed in the upper portion of the terminal member and has a disk shape, the outer periphery of the plurality of first projections formed along the circumference, and the upper surface has a first fitting grooves formed at a predetermined distance from each other along the circumference A first heat dissipation plate for dissipating heat generated; The plate shape is located at a predetermined distance from the first heat dissipation plate and has a petal shape, and has a first heat discharge hole penetrating in the center and second fitting grooves corresponding to the first fitting grooves on a lower surface thereof. A second heat dissipation plate configured to dissipate heat generated; And a bar installed between the first heat sink and the second heat sink, and having left and right ends inserted into the first and second fitting grooves, respectively, to have a petal shape when arranged and electrically connected to the terminal. bar) a first circuit board having a shape, arranged along the length of the first circuit board to irradiate light. A plurality of first LEDs are installed at the other end of the first circuit board on which the first LEDs are arranged. A third heat dissipation plate for dissipating heat generated from the first LEDs by placing the first circuit board on which the ones are arranged, and the first LEDs that are inserted to surround the third heat dissipation plate and placed in the third heat dissipation plate, It comprises a plurality of lighting members made of an arc-shaped heat dissipation cover to protect the first circuit board.
According to the present invention, an air passage is formed between the side surfaces of the lighting members arranged in the form of petals, and the air flows from the outside through the air passages, and heat generated from the lighting members is discharged and cooled to the top of the lighting members. Due to the excellent heat dissipation it provides an LED lighting device that can be applied to the LED lighting device that requires high power.

Description

LED lighting equipment {THE LED LAMP}

The present invention relates to an LED lighting device, and more particularly, to form an air passage between the sides of the lighting elements arranged in the form of petals and the air flows from the outside through the air passage, heat generated from the lighting members The present invention relates to an LED lighting device that can be applied to an LED lighting device that requires high power due to excellent heat dissipation due to being discharged and cooled to an upper portion of the lighting members.

In recent years, it consumes less energy and has higher energy efficiency than incandescent lamps and halogen lamps for exterior lighting such as highways, main roads in urban areas, commercial district roads, residential district roads, parks, or internal lighting for department stores, factories, commercial buildings, etc. LED lighting devices that guarantee a long life is increasing.

Such an LED lighting device has a problem of shortening its lifespan when it is installed in the external lighting or the internal lighting requiring high power, because high heat is generated. In the past, the LED lighting device uses only a heat sink to radiate heat of the LED. As a result, there has been a limit to extending the life of the LED to more than expected.

For example, Korean Patent Publication No. 10-0968270 discloses a plurality of first bars arranged along a length of a bar-shaped first circuit board electrically connected to a socket socket of a luminaire installed outside. LEDs; And a tubular metal body provided with a surface for fixing the first circuit board on which the first LEDs are arranged on the outer circumference, and having an airway communicating with the outside through the left and right ends opened therein. Since the plurality of first circuit boards are arranged along the outer circumference of the metal body, the first LEDs irradiate light at any angle, and the metal body covers and protects the first circuit board having the first LEDs arranged thereon. An arc-shaped first cover is provided, and the metal body is cross-linked through contact holes formed in the lower surface of the base on the lower surface of the base having an empty structure having terminals connected to the socket and electrically connected to the sockets. It is fixedly installed in contact with the inside of the base to provide a surface for fixing the first circuit board, the first circuit board is electrically connected to the terminal of the base and the first LEDs A first through hole is formed on the side of the base to communicate the inside of the base with the outside so that the cross section of the metal body is opened, the contact holes, the inside and the first through hole of the metal body. When the heat generated by the first LED emits light is transmitted to the metal body through the first circuit board through the first circuit board, the air flows into the air passage through the other open end of the metal body to open the one end of the metal body, The LED lighting device is disclosed, characterized in that the air flow exits to the outside through the communication holes, the inside and the first through hole of the base is formed, the heat of the first LED conducting to the metal body is released to the air flow and cooled have.

However, in the above technique, since the heat generated by the LED lighting is discharged from the bottom through the cross of the metal body, the air passing through the cross is limited, so that the heat dissipation effect is lowered when it exceeds 50w, and the LEDs are supported by one heat sink. As a result, there has been a limit in maintenance and repair.

Korean Patent Publication No. 10-0968270, 'LED lighting device'

The present invention is to improve the above problems, by forming an air passage between the sides of the lighting members arranged in the form of petals and the air flow introduced from the outside through the air passage, the heat generated from the lighting members The present invention provides an LED lighting device that can be applied to an LED lighting device that requires high power due to excellent heat dissipation due to being discharged and cooled to an upper portion of the field.

In addition, it is to provide an LED lighting device that is easy to maintain and repair by independently mounting lighting members, ballasts detachably.

The present invention for achieving the above object is coupled to the socket of the luminaire having a terminal for electrically connecting the terminal member of the hollow structure to form a semi-circular sphere; It is installed in the upper portion of the terminal member and has a disk shape, the outer periphery of the plurality of first projections formed along the circumference, and the upper surface has a first fitting grooves formed at a predetermined distance from each other along the circumference A first heat dissipation plate for dissipating heat generated; The plate shape is located at a predetermined distance from the first heat dissipation plate and has a petal shape, and has a first heat discharge hole penetrating in the center and second fitting grooves corresponding to the first fitting grooves on a lower surface thereof. A second heat dissipation plate configured to dissipate heat generated; And a bar installed between the first heat sink and the second heat sink, and having left and right ends inserted into the first and second fitting grooves, respectively, to have a petal shape when arranged and electrically connected to the terminal. bar) a first circuit board having a shape, arranged along the length of the first circuit board to irradiate light. A plurality of first LEDs are installed at the other end of the first circuit board on which the first LEDs are arranged. A third heat dissipation plate for dissipating heat generated from the first LEDs by placing the first circuit board on which the ones are arranged, and the first LEDs that are inserted to surround the third heat dissipation plate and placed in the third heat dissipation plate, It comprises a plurality of lighting members made of an arc-shaped heat dissipation cover to protect the first circuit board.

A plate-shaped cover having a petal shape is further installed on an upper portion of the second heat dissipation plate, and a plate shape having a petal shape between the cover and the second heat dissipation plate. And a second circuit board electrically connected to the terminal, and second LEDs arranged radially at a predetermined distance from each other are further installed on the upper surface of the second circuit board.

In addition, between the second heat dissipation plate and the first heat dissipation plate, a fourth heat dissipation plate in the form of a pipe is further installed to dissipate heat generated by the illumination, and the terminal and the second circuit through the opened interior. It is preferred that the substrate is electrically connected.

In addition, the third heat sink of each lighting member has a length "

Figure 112012075469154-utm00001
"In the form, a settled portion in which the first circuit board is placed, a plurality of second projections extending at a predetermined distance inclined so as to be symmetrical with each other in the downward direction of the settled portion, the coupling hole in the downward direction of the second projections It is preferably made of a pair of third projections extending to face each other to be formed, the third heat dissipation plate is preferably bolted through the first heat dissipation plate, the second heat dissipation plate is fitted into the coupling hole is coupled.

In addition, a cylindrical ballast cover is further provided between the terminal member and the first heat dissipation plate to seal the ballast, and the first and second coupling members corresponding to each other along the circumference of the terminal member and the first heat dissipation plate are further provided. It is preferable to facilitate replacement of the ballast because it is installed and detached by a bolt fixed to the second coupling member through the first coupling member.

By the above solution, the present invention forms an air passage between the side surfaces of the lighting members arranged in the form of petals and is an air flow introduced from the outside through the air passages, the heat generated from the lighting members is the top of the lighting members Because it is discharged and cooled, the heat dissipation is excellent, and thus it is applicable to an LED lighting device that requires high power.

In addition, it is also possible to configure the lighting members, the ballast independently of the detachable, easy maintenance and repair.

1 is an overall view of the LED lighting device of the present invention.
Figure 2 is an exploded view of the LED lighting device of the present invention.
Figure 3 is a side view of the LED lighting device of the present invention.
4 is a cross-sectional view AA of the LED lighting device of the present invention.
5 is a detailed view of the lighting device of the LED lighting device of the present invention.
6 is a detailed view of the third heat sink of the LED lighting device of the present invention.
7 is an air flow diagram of the LED lighting device of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an overall view of the LED lighting device of the present invention, Figure 2 is an exploded view of the LED lighting device of the present invention, Figure 3 is a side view of the LED lighting device of the present invention, Figure 4 is a cross-sectional view of the LED lighting device of the present invention, 5 is a detailed view of the lighting device of the LED lighting device of the present invention, Figure 6 is a detailed view of the third heat sink of the LED lighting device of the present invention, Figure 7 is a view showing the air flow diagram of the LED lighting device of the present invention.

1 to 7, the LED lighting device of the present invention is an external light such as a highway, a main road in a downtown area, a commercial district road, a residential district road, a park, or an internal lighting such as a department store, a factory, a commercial building (hereinafter, And, it is mounted to the socket of the "light fixture" and comprises a terminal member 100, the first heat sink 200, the second heat sink 300, the lighting member 400.

As illustrated in FIGS. 1 to 3, the terminal member 100 has a terminal 110 coupled to and electrically connected to a socket of a luminaire.

On the other hand, the terminal member 100 is made of a hollow structure of a semi-circular shape, to produce a beautiful design.

At this time, a cylindrical ballast cover 150 is further installed between the terminal member 100 and the first heat dissipation plate 200 to place a ballast (not shown) inside the ballast cover 150 to allow the terminal 110 to be placed. It is preferable to convert the power of the socket applied via the DC power supply to the first LEDs 430 to form a light source.

On the other hand, SMPS (SWITCHED-MODE POWER SUPPLY) is used as the ballast.

The ballast cover 150 is waterproof to seal the ballast to stably protect the ballast from moisture.

At this time, when the ballast is easily maintained and repaired, the terminal member 100 and the first heat dissipation plate 200 respectively correspond to each other along a circumference in order to facilitate desorption of the ballast cover 150 that seats the ballast. The second coupling members 160 and 260 are further installed to be detachable by bolts 10 penetrating the first coupling member 160 and fixed to the second coupling member 260.

As shown in FIGS. 1 to 3, the first heat dissipation plate 100 is installed on an upper portion of the terminal member 100 and has a disc shape.

The first heat dissipation plate 200 includes a plurality of first protrusions 210 formed along a circumference at an outer circumference thereof, and first fitting grooves 230 formed at a predetermined distance from each other along a circumference of an upper surface thereof. When the first LEDs 430 are provided, the LEDs 430 are provided to radiate heat by conducting heat generated by lighting.

In this case, the material of the first heat sink 200 is preferably made of aluminum having excellent thermal conductivity.

As shown in FIGS. 1 to 3, the second heat sink 300 is positioned at a predetermined distance from the first heat sink 200 and has a plate shape having a petal shape.

Meanwhile, the second heat dissipation plate 300 includes a first heat discharge hole 310 penetrating through the center, and second fitting grooves 330 corresponding to the first fitting grooves 230 on a lower surface thereof. When the first LEDs 430 are turned on, the first LEDs 430 are provided to receive and radiate heat generated by the lighting.

At this time, it is preferable that the material of the second heat sink 300 is made of aluminum having excellent thermal conductivity.

Meanwhile, as illustrated in FIGS. 1 to 4, the plate-shaped cover 500 having a petal shape is further installed on the second heat dissipation plate 300.

At this time, between the cover 500 and the second heat dissipation plate 300 has a plate shape having a petal shape, and has a second heat dissipation hole 610 formed through the center thereof and electrically connected to the terminal 110. The second circuit board 600 to be connected is further installed, and on the upper surface of the second circuit board 600, second LEDs 630 arranged radially with a predetermined distance from each other are further installed to enable front lighting. It may optionally be formed.

At this time, between the second heat radiation plate 300 and the first heat radiation plate 200, as shown in Figure 5, the fourth heat radiation plate 650 of the pipe shape of the inside is selectively installed.

On the other hand, the fourth heat dissipation plate 650 is preferably made of aluminum having excellent thermal conductivity.

The fourth heat dissipation plate 650 conducts heat to the heat generated by the illumination and radiates heat when the second LEDs 630 are turned on, and the terminal 110 and the second circuit board 600 through the opened interior. It is preferable to form the electrically connected to protect the electrical wiring.

As shown in FIG. 5, the lighting member 400 is installed between the first heat dissipation plate 200 and the second heat dissipation plate 300, and has left and right ends at the first and second fitting grooves 230 and 330. Each of these fittings are installed to form a petal when arranged, and is arranged to match the shape of the second heat dissipation plate 300.

The lighting member 400 includes the first circuit board 410, the first LEDs 430, the third heat dissipation plate 450, and the heat dissipation cover 470 as a set of neighboring lighting members 400. At both ends, the left and right ends of the first and second fitting grooves 230 and 330 of the first heat dissipation plate 200 and the second heat dissipation plate 300 are installed to form an air passage.

The first circuit board 410 is a PCB board used in a conventional circuit board in a bar shape electrically connected to the terminal 110.

A plurality of the first LEDs 430 are arranged along the length of the first circuit board 410 at equal intervals to irradiate light.

The third heat sink 450 is installed at the other end of the first circuit board 410 on which the first LEDs 430 are arranged.

The third heat dissipation plate 450 receives and radiates heat generated from the first LEDs 430 by placing the first circuit board 410 on which the first LEDs 430 are arranged.

At this time, it is preferable that the material of the third heat sink 450 is made of aluminum having excellent thermal conductivity.

On the other hand, the third heat sink 450 is, as shown in Figure 6, having a length "

Figure 112012075469154-utm00002
"Form, it consists of a settlement portion 451, the second projections 453, the coupling hole 455, the third projections (457).

The settlement part 451 is formed to be flat so that the first circuit board 410 on which the first LEDs 430 are arranged is placed.

The second protrusions 453 are formed to extend a plurality of predetermined distances inclined to be symmetrical to each other in the downward direction of the settlement portion 451 to effectively dissipate heat generated when the first LEDs 430 are turned on.

The coupling holes 455 and the third protrusions 457 are a pair of third protrusions 457 extending to face each other so that the coupling holes 455 are formed in the downward direction of the second protrusions 453. The three heat dissipation plates 450 are coupled to the bolt 10 penetrating the first heat dissipation plate 200 and the second heat dissipation plate 300 into the coupling hole 455.

The heat dissipation cover 470 is inserted in an arc shape so as to surround the third heat dissipation plate 450 to protect the first circuit board 410 in which the first LEDs 430 placed in the third heat dissipation plate 450 are arranged. It is provided.

At this time, the heat dissipation cover 470 is fitted to the left and right both ends of the third heat dissipation plate 450, it is preferable to form a cover groove 471 along the length on both left and right ends of the third heat dissipation plate 450.

As such, the present invention, as shown in Figure 7, the lighting member 400 is the first heat sink 200, a second heat sink at a predetermined distance from each other due to the first, second fitting grooves (230, 330). Heat generated from the lighting members 400 by the air flow introduced from the outside through the air passage (Z) by forming an air passage (Z) between each of the lighting member 400 is coupled to each of the (300). Since it is discharged to the first heat discharge hole 310 of the second heat dissipation plate 300 and cooled, the heat dissipation is excellent, and thus it is applicable to an LED lighting device requiring high power.

According to the present invention, an air passage is formed between the side surfaces of the lighting members arranged in the form of petals, and the air flows from the outside through the air passages, and heat generated from the lighting members is discharged and cooled to the top of the lighting members. Due to the excellent heat dissipation it provides an LED lighting device that can be applied to the LED lighting device that requires high power.

The present invention also provides an LED lighting device that is easy to maintain and repair by independently configuring lighting members and a ballast.

EED10: Bolt
100: terminal member
110: terminal
150: ballast cover
160: the first coupling member
200: first heat sink
210: first projection
230: first fitting groove
260: second coupling member
300: second heat sink
310: first heat exhaust ball
330: second fitting groove
400: lighting member
410: the first circuit board
430: First LED
450: third heat sink
451: Settlement department
453: second projection
455: coupling hole
457: third projection
470: heat dissipation cover
471: cover groove
500: cover
600: second circuit board
610: second heat discharge hole
630: Second LED
650: fourth heat sink
Z: air passage

Claims (5)

  1. In the lighting device electrically connected to the socket of the luminaire to form a light source for irradiating light on the road or park,
    A terminal member (100) having an internal hollow structure having a terminal (110) coupled to the socket and electrically connected thereto and forming a semi-circular shape;
    It is installed on the upper portion of the terminal member 100 and has a disk shape, a plurality of first projections 210 formed along the periphery of the outer periphery, and the first surface formed at a predetermined distance from each other along the periphery on the upper surface A first heat dissipation plate 200 having fitting grooves 230 to dissipate heat generated by illumination;
    The first heat dissipation hole 310 is formed at a predetermined distance from the first heat dissipation plate 200 and has a petal shape, penetrated at the center thereof, and the first fitting grooves 230 on the lower surface thereof. A second heat dissipation plate 300 having corresponding second fitting grooves 330 to dissipate heat generated by illumination; And
    It is installed between the first heat dissipation plate 200 and the second heat dissipation plate 300, the left and right ends are fitted into the first and second fitting grooves 230 and 330, respectively, to have a petal shape when arranged. The first circuit board 410 having a bar shape electrically connected to the terminal 110 and arranged along the length of the first circuit board 410 to irradiate light. ), The first LEDs 430 are installed on the other end of the first circuit board 410 on which the first LEDs 430 are arranged to settle the first circuit board 410 on which the first LEDs 430 are arranged. The first circuit in which the third heat dissipation plate 450 to dissipate heat generated from the heat dissipation, and the first LEDs 430 mounted on the third heat dissipation plate 450 and enclosed in the third heat dissipation plate 450 are arranged. It comprises a plurality of lighting members 400 made of an arc-shaped heat dissipation cover 470 to protect the substrate 410,
    The lighting members 400 are coupled to the first heat dissipation plate 200 and the second heat dissipation plate 300 at a predetermined distance from each other due to the first and second fitting grooves 230 and 330, respectively, between the lighting elements 400. By forming the air passage (Z) therebetween, the heat generated from the lighting member 400 by the air flow flowing in from the outside through the air passage (Z) is the first heat discharge hole of the second heat sink ( 310 is discharged to the cooling, LED lighting apparatus.
  2. The method of claim 1, wherein the cover plate 500 having a form of a petal is further provided on the upper portion of the second heat sink 300, between the cover 500 and the second heat sink 300 of the petal As a plate shape having a shape, a second circuit board 600 having a second heat discharge hole 610 formed through the center and electrically connected to the terminal 110 is further installed and the second circuit board ( The upper surface of the 600, characterized in that the second LED (630) arranged radially with a predetermined distance from each other is further installed, LED lighting apparatus.
  3. According to claim 2, Between the second heat radiation plate 300 and the first heat radiation plate 200 is further provided with a pipe-like fourth heat radiation plate 650 is provided to heat the heat generated by the illumination and In addition, the LED lighting device, characterized in that the terminal 110 and the second circuit board 600 is electrically connected through the opened interior.
  4. The method of claim 1, wherein the third heat sink 450 of each of the lighting member 400 has a length "
    Figure 112012075469154-utm00003
    ", A plurality of second projections 453 extending at a predetermined distance inclined so as to be symmetrical to each other in the downward direction of the settlement portion 451, the first circuit board 410 is placed. ) And a pair of third protrusions 457 extending to face each other so that the coupling holes 455 are formed in the downward direction of the second protrusions 453, and the third heat dissipation plate 450 is formed in a first manner. LED lighting device, characterized in that the bolt 10 penetrates the heat sink 200, the second heat sink 300 is fitted into the coupling hole (455).
  5. According to claim 1, Between the terminal member 100 and the first heat sink 200 is further provided with a cylindrical ballast cover 150 to seal the ballast, the terminal member 100 and the first heat sink ( Each of the first and second coupling members 160 and 260 corresponding to each other along the circumference of the 200 is further provided by bolts 10 penetrating the first coupling member 160 and fixed to the second coupling member 260. LED lighting device, characterized in that to facilitate the replacement of the ballast by being detached.
KR2020120008321U 2012-09-18 2012-09-18 The led lamp KR200464144Y1 (en)

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JP2013187359A JP5589131B2 (en) 2012-09-18 2013-09-10 LED lighting device

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KR101425160B1 (en) * 2013-01-17 2014-08-05 (주)나노팩 LED lighting apparatus
KR101643507B1 (en) * 2015-09-04 2016-07-27 (주)엠이씨 Lighting apparatus and light device having thereof
KR20180067890A (en) * 2016-12-13 2018-06-21 시그마엘이디 주식회사 Led lamp

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JP6483828B2 (en) * 2014-08-19 2019-03-13 ケイアイ グリッド カンパニー リミテッド LED lamp

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KR20110044353A (en) * 2009-10-23 2011-04-29 마이크로하이테크 주식회사 Led illumination device
KR20110085117A (en) * 2010-01-19 2011-07-27 김용철 Socket-typed led light apparatus and the frame assembly used therefor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101425160B1 (en) * 2013-01-17 2014-08-05 (주)나노팩 LED lighting apparatus
KR101643507B1 (en) * 2015-09-04 2016-07-27 (주)엠이씨 Lighting apparatus and light device having thereof
KR20180067890A (en) * 2016-12-13 2018-06-21 시그마엘이디 주식회사 Led lamp

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