KR101643507B1

KR101643507B1 - Lighting apparatus and light device having thereof

Info

Publication number: KR101643507B1
Application number: KR1020150125813A
Authority: KR
Inventors: 김종대; 이재영; 박조선; 박현석; 정우중; 전보라; 이정호
Original assignee: (주)엠이씨; 김종대
Priority date: 2015-09-04
Filing date: 2015-09-04
Publication date: 2016-07-27

Abstract

An embodiment of the present invention relates to a lighting apparatus. The lighting apparatus according to the embodiment of the present invention comprises: a first heat-dissipating body arranged lengthwise; a light source module including a first light-emitting module and a second light-emitting module, wherein the first light-emitting module has a first substrate on an outer side of the first heat-dissipating body and a first light-emitting element on the first substrate, and the second light-emitting module has a second substrate on the first heat-dissipating body and a second light-emitting element arranged on the second substrate; a shield arranged under the light source module; a second heat-dissipating body arranged under the shield; and a socket unit arranged under the second heat-dissipating body. The light source module has less than 90 degrees of an internal angle between straight lines passing both edges of the light source module from the center of the shield. The lighting apparatus according to the embodiment of the present invention can improve heat-dissipating efficiency and be provided with various power sources.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a lighting apparatus,

An embodiment relates to a lighting apparatus and a luminaire having the lighting apparatus.

As a result of the development of lighting infrastructure, 20% of the total electricity consumption is used for lighting purposes, and accordingly, it is possible to use a high-brightness light source Research is being done in many ways.

LED lighting is an eco-friendly material that emits light by emitting light by converting electric energy into light energy, saving energy resources because of low power consumption, and emitting less waste such as mercury and greenhouse gas (CO ₂ ). It is becoming a spotlight as an eco-friendly next-generation lighting due to the fact that it can produce illumination, and its operating life is long and operation cost is reduced.

However, since LED light is emitted from a small device, local heat is generated in the device. In particular, when the LED chip is densely installed due to miniaturization and integration of the product, the circuit is normally operated There is a problem that the lifetime of the LED is shortened and the illuminance is decreased. In other words, if the heat generated from the LED light is not adequately dissipated, the LED light will cause a serious effect on the lifetime and the performance of the LED light. Therefore, the heat sink design is becoming an important problem in the LED research.

Embodiments provide an illuminating device provided with a heat emitting element in each light source module and a luminaire having the same.

Embodiments provide an illumination device for illuminating light in different directions through a single light source module and a luminaire having the same.

Embodiments provide an illumination device having a shielding film for preventing heat transfer between a light source unit and a power supply unit, and a luminaire having the same.

Embodiments provide an illumination device capable of adjusting power by increasing or decreasing the number of light source modules and a luminaire having the same.

A lighting device according to an embodiment of the present invention includes a first heat radiating member arranged in a longitudinal direction, a first light emitting module having a first substrate on an outer surface of the first heat emitting member and a first light emitting element on the first substrate, A light source module including a second light emitting module having a second substrate on the first heat emitting body and a second light emitting element disposed on the second substrate; A shielding film disposed under the light source module; A second heat sink disposed below the shielding film; And a socket portion disposed below the second heat discharging body, wherein the light source module has an internal angle of less than 90 degrees between straight lines passing through both outer edges of the light source module from the center of the shielding film.
The first heat-radiating member may include a first heat-radiating member that is inclined at a predetermined angle and closely contacted with each other and includes a first radiating frame and a second radiating frame integrally formed, And a second group of heat radiating elements including a third radiating frame and a fourth radiating frame.
The first group of heat sinks and the second group of heat sinks may be spaced apart from each other.
Wherein the plurality of translucent covers include a first group of translucent covers covering the upper surfaces and side surfaces of the first radiating frame and the second radiating frame at the same time and a second translucent cover covering the upper surfaces and the side surfaces of the third radiating frame and the fourth radiating frame, And a second group of translucent covers covering the first and second groups simultaneously.
The first group of translucent covers and the second group of translucent covers may be spaced apart from each other.
The side end faces of the first and second groups of translucent covers may have a hyperbolic shape.
The light source module may include a heat dissipation plate between the second light emitting module and the first heat dissipation member.
The heat dissipation plate may include a first group of heat dissipation plates contacting the first heat dissipation frame and the second heat dissipation frame at the same time and a second group of heat dissipation plates contacting the third heat dissipation frame and the fourth heat dissipation frame at the same time have.
The first group of heat dissipation plates and the second group of heat dissipation plates may be spaced apart from each other.
The heat dissipation plate may have a seating portion at a lower portion and a plurality of heat dissipating ribs protruding from the seating portion, and the seating portion and the heat dissipating rib may contact the first and second heat dissipating frames.

A luminaire according to an embodiment includes the lighting device.

Embodiments can provide a heat dissipator as a separate module type, thereby improving the problem of heat concentration inside.

The embodiment can provide a lighting apparatus having a vertical heat dissipation channel.

The embodiment can prevent thermal interference between the light source module and the power supply unit and improve the heat dissipation efficiency.

The embodiment can adjust the number of the light source modules in accordance with the light output, so that the electric power of the lighting device can be variously provided.

Embodiments provide waterproof, dustproof, and insectproof LED luminaires.

The embodiment can reduce the weight of the illumination device.

It is possible to improve the reliability of the illumination device and the LED lighting device having the same according to the embodiment.

1 is a perspective view of a lighting apparatus according to an embodiment.
2 is an exploded perspective view of the illumination device of FIG.
FIG. 3 is a view showing a light source module in the illumination device of FIG. 2. FIG.
Fig. 4 is a view showing a coupling end surface of the light source module in the illumination device of Fig. 2;
5 is a plan view of the light source module of FIG.
Fig. 6 is an exploded view of the light source module and the bottom cover in the illumination device of Fig. 2;
7 (A) and 7 (B) are views showing a heat dissipating plate in the lighting apparatus of FIG. 2;
Fig. 8 is a cross-sectional side view of the light source module and the bottom cover in the illumination device of Fig. 2; Fig.
Fig. 9 is a partially enlarged view of Fig. 8. Fig.
10 is a view showing an example of the optical path of each light source module in the illumination device of FIG.
11 is an exploded view of a light source module and a shielding film in the illumination device of FIG.
12 is an exploded perspective view of the shielding film in the illumination device of FIG.
FIG. 13 is a view showing an example of the combination of a heat radiator, a shielding cover and a power supply device in the lighting device of FIG. 2. FIG.
14A and 14B are a front view and a rear view of the shielding cover of Fig.
15 is a view showing a heat radiation path of a lighting apparatus according to the embodiment.
16 is a view showing a heat radiation path in the periphery of the power supply device according to the embodiment.
17A and 17B are views showing a first modification of the illumination device according to the embodiment and its shielding film.
18A and 18B are views showing a second modification of the illumination device according to the embodiment and its shielding film.
19A and 19B are views showing a third modification of the illumination device according to the embodiment and its shielding film.
20A and 20B are views showing a fourth modification of the lighting apparatus according to the embodiment and its shielding film.

Hereinafter, preferred embodiments of a lighting module or a lighting device having a heat radiating structure according to an embodiment will be described with reference to the accompanying drawings. The terms described below are defined in consideration of the functions in the present embodiment, and this may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification. In addition, the following embodiments are not intended to limit the scope of the present invention, but merely as an example, and various embodiments may be implemented through the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Meanwhile, the term "light source module or lighting device" used in the present specification is used for indoor or outdoor use, and is used as a generic term for each type of luminaire.

FIG. 1 is an exploded perspective view of a lighting apparatus according to an embodiment, and FIG. 2 is an exploded perspective view of the lighting apparatus of FIG. 1. FIG.

1 and 2, the lighting apparatus includes a light source unit 110 having one or more light source modules 110A, a socket unit 160 below the light source unit 110, a socket unit 160, (110).

The light source unit 110 includes one or a plurality of light source modules 110A on the socket unit 160. The light source unit 110 irradiates light through the upper surface and the side surface by one or more light source modules 110A.

The light source module 110A includes a first heat emitting body 111, a first light emitting module 121 disposed on a side surface of the first heat emitting body 111 and a second light emitting module 121 disposed on the upper surface of the first heat emitting body 111 And a second light emitting module (122).

The light source module 110A may include a transparent cover 131 on the outer side of the first light emitting module 121 and a transparent cover 135 on the second light emitting module 122. [ The light source module 110A may further include a heat dissipating plate 127 between the first heat emitting body 111 and the second light emitting module 122.

The light source unit 110 can dissipate heat generated in the interior of the first heat discharging body 111 through the region P1 and the upper open region P2.

A shielding film 140 is disposed below the light source 110 and a shield cover 170 and a second heat sink 151 may be disposed below the shielding film 140. A socket unit 160 may be disposed under the second heat discharging unit 151. The shielding film 140 may be disposed between the light source 110 and the second heat sink 151 and may include a heat dissipation path P3 to discharge heat to the outside.

As shown in FIGS. 13 and 16, a shielding cover 170 is coupled to an upper portion of the second heat discharging body 151, and a power supply unit 150 is disposed below the shielding cover 170. The shielding cover 170 prevents vertical movement of the heat generated from the power supply unit and provides an internal heat dissipation space to improve heat dissipation.

13 may be provided in the second heat discharging body 151. The power supplying unit 150 is connected to the first heat discharging body 151 through a socket 160 through a signal cable, And controls power supply for driving the two light emitting modules 121 and 122.

Referring to FIGS. 2 and 3, the first heat discharging body 111 includes a plurality of heat radiating frames, for example, first and second heat radiating frames 112 and 113. The first and second heat dissipation frames 112 and 113 may be formed of one metal body or a separate metal body, but the present invention is not limited thereto.

The first heat discharging body 111 may be formed of a metal material such as aluminum or an aluminum alloy. The alloy material may be formed of an alloy containing at least one selected from the group consisting of aluminum, Si, Mg, Zn, Bi, and Sn . The content of aluminum in the aluminum alloy may be larger than the content of other metals. Other metal may be coated on the surface of the first heat discharging body 111, but the present invention is not limited thereto. The first heat-radiating member 111 may be made of a metal other than aluminum, such as copper, silver, nickel, or an alloy, but is not limited thereto.

The length of the first and second heat-dissipating frames 112 and 113 is longer than the width of the first heat-radiating frames 112 and 113 in the longitudinal direction. The plurality of heat dissipation fins 13 may have different widths. The center side fins of the first and second heat dissipation frames 112 and 113 can provide the widest heat dissipation area among the plurality of heat dissipation fins 13 and the heat dissipation efficiency in the center side area can be improved. This is because the plurality of heat radiating fins 13 have their respective widths, that is, the lengths protruding inwardly, for cylindrical arrangement. The inner direction of the plurality of heat dissipation fins 13 may be the center axis direction of the light source module 110A or the light source portion.

Further, the heat radiating fins (13) may protrude fine heat radiating protrusions (14) in a transverse direction or a vertical direction. Since a plurality of the heat dissipation protrusions 14 are arranged in a vertical direction on one side or both sides of the heat dissipation fin 13, the heat dissipation surface area can be maximized. Further, since the heat dissipating protrusions 14 are arranged in a direction in which heat is circulated, the heat dissipation efficiency can be improved. The heat dissipating area of the heat dissipating protrusion 14 can be maximized in the same space, and the heat dissipating effect can also be increased in proportion to the heat dissipating area.

The first and second heat dissipating frames 112 and 113 are provided with fastening grooves 15 and 16 at protruding portions of the heat radiating fins 13, And can be formed in a narrow width. Further, a fastening groove 17 may be disposed on the contact back surface between the first and second heat dissipating frames 112 and 113. The coupling grooves 15, 16, and 17 are disposed on the upper and lower sides of the first and second radiating frames 112 and 113, respectively, so that other structures can be fastened.

The length of the first and second heat dissipating frames 112 and 113 may be adjusted to control the heat dissipating surface area according to the power consumption of the first light emitting module 121.

3 and 4, the first and second heat dissipation frames 112 and 113 are provided on the outer side in a longitudinally long and flat outer surface, and the first light emitting module 121 is disposed on the outer side. Each of the first and second heat dissipating frames 112 and 113 is provided with an engagement protrusion 11 and 11A at both edges of the outer surface.

The heat radiating frames 112 and 113 of the first heat radiating body 111 are coupled to the individual light emitting modules 121 to dissipate heat generated from the individual light emitting modules 121.

The first light emitting module 121 includes a first substrate 21 and a plurality of first light emitting devices 23 on the first substrate 21. Both end portions of the first substrate 21 are inserted along the engaging protrusions 11 and 11A of the first and second heat dissipating frames 112 and 113 and the outer surfaces of the first and second heat dissipating frames 112 and 113 As shown in Fig. Both ends of the first substrate 21 are inserted into the latching protrusions 11 and 11A, so that foreign matter such as insects can be prevented from flowing.

Here, the first substrate 21 may be fixed to the first and second heat dissipating frames 112 and 113 by an adhesive member or a fastening member, but the present invention is not limited thereto. The first and second heat dissipating frames 112 and 113 can prevent the first and second heat dissipating frames 112 and 113 from being deviated outward when the first substrate 21 is coupled.

The width of the first substrate 21 in the transverse direction may be narrower than the width of the first and second heat dissipating frames 111 and 113 and the length of the first substrate 21 may be longer than the width of the first and second heat dissipating frames 112 and 113 May be the same as or smaller than the length of the antenna. Accordingly, the first substrate 21 can conduct heat generated through the first light emitting device 23 to the respective heat dissipating frames 112 and 113.

A plurality of the first light emitting devices 23 may be arranged on the first substrate 21 in one column or a plurality of columns and may be connected in series, in parallel or in series-parallel. However, the present invention is not limited thereto.

The first substrate 21 includes at least one of a resin material PCB, a metal core PCB (MCPCB), and a flexible PCB (FPCB). The circuit pattern layer of the first substrate 21 may electrically connect the first light emitting device 23. The first light emitting device 23 may be a package in which the light emitting chip is packaged or may be disposed as a light emitting chip. The light emitting chip may emit at least one of blue, red, green, and UV. The first light emitting device may emit at least one of white, blue, red, and green. For example, . The first light emitting device 23 may include a phosphor, but the present invention is not limited thereto. An optical lens may be disposed on the first light emitting device 23, but the present invention is not limited thereto.

The first and second light emitting modules 121 and 121 are provided on both side walls of the first heat discharging body 111 with hooking grooves 18 and 19 formed on both sides of the light transmitting cover 131, The latching protrusion 39 can be engaged and engaged. The latching grooves 18 and 19 may be arranged on both outer walls of the first and second heat dissipating frames 112 and 113 along the vertical direction.

The transmissive cover 131 may have exiting portions 31 and 33 having a hyperbolic side end face and may have a convex curved surface on the first substrate 21 of each of the first and second heat radiating frames 112 and 113 . The translucent cover 131 may have a different shape, for example, a hemispherical shape having a polygonal or curved cross-section, but is not limited thereto. The irradiation angle of the light can be increased by the radiation angle between the first light emitting devices 23 arranged on the heat radiating frames 112 and 113 inclined at the predetermined angle emitted from the first light emitting module 121, It is possible to uniformly diffuse the light by the cover 131 of the cover 131.

The length of the transparent cover 131 may be equal to or greater than the length of the first heat discharging body 111 in the horizontal direction and may be greater than the length of the first substrate 21 in the horizontal direction. have. The transmissive cover 131 may be provided in such a size as to transmit the light reflected from the surface of the first substrate 21.

The light-transmissive cover 131 covers both side portions 37 of the first light emitting device 23 and a locking protrusion 39 bent inward from the both side portions 37 prevents the first light- Can be fitted into the engagement grooves (18, 19) of the heat discharging body (111).

The inner surface of the transparent cover 131 may include a concavo-convex pattern 34, and the concavo-convex pattern 34 may diffuse light incident from the first light emitting device 23.

Here, the transparent cover 131 may be formed of a transparent material. The transparent cover 131 may be made of a transparent resin material such as silicon or epoxy or an acrylic resin such as glass or polymethyl methacrylate (PET), polyethylene terephthalate (PET), polycarbonate (PC), cycloolefin copolymer (COC) And polyethylene naphthate late (PEN) resin.

5, the internal angle R2 between straight lines extending horizontally in the lateral direction on the outer surfaces of the first and second heat dissipating frames 112 and 113 may be an obtuse angle, for example, more than 90 degrees but less than 180 degrees, Lt; RTI ID = 0.0 > 160 C. < / RTI > The angle R2 may be arranged at an angle such that the straight lines do not deviate from the radius of the arc when the outline of the light source module 110A has an arc shape having a predetermined radius.

5, the first light emitting module 121 coupled to the first and second heat dissipating frames 112 and 113 may have a directional angle of 120 degrees or more, and the light emitted from one light source module 110A The directivity angle R1 of the light may be in the range of more than 140 degrees, for example, in the range of 142 degrees to 170 degrees. This directivity angle R1 can be increased by 20% or more from the light-directing angle of the individual light emitting module 121, and the uniformity of the same power consumption can be increased.

2 and 5 to 9, a second light emitting module 122 is disposed on the first heat emitting body 111 and a second light emitting module 122 is disposed between the first heat emitting body 111 and the second light emitting module 122 A heat dissipation plate 127 may be disposed. The heat dissipation plate 127 dissipates heat generated from the second light emitting module 122 and conducts heat to the first heat dissipation unit 111.

The outer shape of the second light emitting module 122 may vary along the top shape of the first heat discharging body 111. The second light emitting module 122 includes a second substrate 25 and a plurality of second light emitting devices 27 on the second substrate 25. The second substrate 25 may have a fan-shaped outer shape, or may be a polygonal shape having a curved surface or a corrugated surface as another example, but the present invention is not limited thereto. A fastening hole 25A may be formed on the second substrate 25 and the fastening hole 25A may correspond to the fastening grooves 15 and 16 of the first and second lead frames 112 and 113 .

The second substrate 25 includes at least one of a resin material PCB, a metal core PCB (MCPCB), and a flexible PCB (FPCB). The circuit pattern layer of the second substrate 25 may electrically connect the second light emitting device 27. The second light emitting device 27 may be a package in which the light emitting chip is packaged or may be disposed as a light emitting chip. The light emitting chip may emit at least one of blue, red, green, and UV, and the second light emitting device may emit at least one of white, blue, red, and green. For example, . The second light emitting device 27 may include a phosphor, but the present invention is not limited thereto. An optical lens may be disposed on the second light emitting device 27, but the present invention is not limited thereto.

6 and 7, the heat dissipation plate 127 is a metal frame or a thermally conductive frame, and is disposed between the first and second heat dissipating frames 112 and 113 of the first heat dissipating body 111 and the second substrate 25 Can be contacted. The outer shape of the heat dissipation plate 127 may be the same as the outer shape of the second substrate 25 so that the heat dissipation plate 127 can be brought into close contact with the lower surface of the first substrate 125 .

The heat dissipation plate 127 has a fastening hole 71 formed on the second substrate 25 in a region corresponding to the fastening hole 25A and a fastening hole 71 corresponding to the fastening hole 25B of the second substrate 25 And has an engagement groove 71B in the region. Since the latching protrusion is fitted into the latching groove 25B of the second substrate 25 and the latching groove 71B of the heat dissipating plate 127 in the transparent cover 135, The plate 127 can be fixed and supported at a predetermined position together with the transparent cover 135. The latching grooves 25B and 71B may be disposed adjacent to the fastening holes 25A and 71, respectively.

The heat dissipation plate 127 has locking projections 72 and 72A at both outer sides so that both outer walls of the transparent cover 135 can be engaged with the locking tabs 72 and 72A. Accordingly, moisture infiltration or foreign matter can be prevented from flowing through the region between the transparent cover 135 and the heat radiation plate 127.

The heat dissipation plate 127 has a seating part 76 at the bottom and a plurality of heat dissipating ribs 77 protruding from the axial part 76. The seating part 76 and the heat dissipating rib 77 are formed in the The first heat dissipating frame 112 and the second heat dissipating frame 113 of the first heat dissipating body 111 can be exposed to heat. Further, a heat radiation space 75 and an open area 79 may be provided below the heat radiation plate 127 to improve heat radiation characteristics. The heat dissipation plate 127 is fastened by the fastening means 101 with the second light emitting module 122 and the first heat dissipating body 111, so that the assembling property can be improved. The material of the heat dissipation plate 127 may be a metal such as aluminum or an aluminum alloy, or may be made of the same material as the first heat dissipation body 111, but is not limited thereto.

A transparent cover 135 is disposed on the second light emitting module 122 and the transparent cover 135 covers the top and side surfaces of the second light emitting module 122. The transparent cover 135 may extend to the outer surface of the transparent cover 131.

Here, the transparent cover 135 may be formed of a transparent material. The transparent cover 135 may be made of a transparent resin material such as silicon or epoxy or an acrylic resin such as glass or polymethyl methacrylate (PET), polyethylene terephthalate (PET), poly carbonate (PC), cycloolefin copolymer (COC) And polyethylene naphthate late (PEN) resin. The transparent cover 135 may be formed of the same material as the transparent cover 131.

7 to 9, a joining member such as a projection 53B and a groove 35 is provided on a region between the outer side portion 53 of the transparent cover 135 and the transparent cover 131, The transparent cover 135 and the transparent cover 131 may be in close contact with each other by the engaging member. For example, the projection 53B is formed on the inside of the transparent cover 135, and the groove 35 is formed on the projection 53B on the outside of the transparent cover 131. Accordingly, when the protrusion 53B is tightly coupled to the groove 35, it is possible to prevent moisture penetration into the space between the transparent cover 135 and the transparent cover 131, thereby providing a waterproof function . The outer side portion 53 of the transparent cover 135 may have the same shape as the outer surface shape of the transparent cover 131. For example, the side surface of the transparent cover 135 may have a hyperbolic shape.

A stepped structure 54A is provided on the inner lower side of the inner side portion 54 of the transparent cover 135 so that the outer periphery 26 of the second substrate 25 is placed in the stepped structure 54A . The inner side fitting portion 73 of the heat dissipating plate 127 may be disposed below the inner side portion 54 of the transparent cover 135.

The transparent cover 135 is in close contact with the outer surface of the transparent cover 131 and covers the outer circumference 26 of the second substrate 25, Can be prevented.

A plurality of fastening holes 51 are disposed on the transparent cover 135 and the fastening holes 51 may correspond to fastening holes 25A of the second substrate 25. The fastening means 101 is inserted through the fastening holes 51 of the transparent cover 135 and fastening holes 25A of the second substrate 25 and the fastening holes 71 of the heat dissipating plate 127 The transparent cover 135, the second substrate 25 and the heat dissipation plate 127 are fixed to the first heat dissipating body 111 (111) by fastening them to the fastening grooves 15 and 16 of the first and second heat dissipating frames 112 and 113, ).

As shown in FIG. 10, the light source module 110A may be provided as a single unit, and the light emitted through the first and second light emitting modules 121 and 122 may be transmitted to the light source module 110A Light can be emitted. One such light source module 110A may be arranged in the illumination device, or a plurality of such light source modules 110A may be arranged in a predetermined form. This configuration will be described later.

In addition, one light source module 110A has a triangular prism shape, and light can be irradiated to the upper surface direction and the outer direction of each module. Each of the light source modules 110A can cover an area of 120 degrees outward from the center of the vertical axis (e.g., the center of the shielding film) and can cover up to 360 degrees of area with the increase in the number of the light source modules 110A. have.

1, 3, and 11, the shielding film 140 includes first and second shielding films 141 and 145, and may provide a heat dissipation path P3 therein. The heat conducted from the light source module 110A and the power supply unit 150 can be emitted laterally through the heat dissipation path P3. The heat dissipation path P3 may be provided as a flow path through which air heated by the LED lighting converter and the light source module escapes. Further, it is possible to prevent interference caused by heat generated from the light source unit 110 and the power supply unit 150, thereby improving the reliability of the illumination device and the light emitting module.

The first and second shielding films 141 and 145 may be formed in a circular plate shape, or may be formed in a polygonal shape as another example. The first and second shielding films 141 and 145 may have the same shape and may have the same width and the same shape.

The first shielding film 141 includes a plurality of fastening holes 42 and the plurality of fastening holes 42 are formed in the fastening holes of the first and second heat dissipating frames 112 and 113 of the first heat emitting body 111, 17, and 17, respectively. The fastening means 103 can be fastened to the lower coupling grooves 15, 16 and 17 of the first heat discharging body 111 through the fastening holes 42 of the first shielding film 141. Accordingly, the first shielding film 141 may be fixed to the first heat discharging body 111. The fastening grooves 15, 16 and 17 of the first heat discharging body 111 are arranged in the same shape on the upper and lower portions of the first and second heat radiating frames 112 and 113, respectively.

The coupling grooves 15,16 and 17 of the first heat discharging body 111 are provided at the upper and lower portions of the first and second heat radiating frames 112 and 113 so that the coupling grooves 15 and 16 have different components 10 and 11, the second shielding film 145 is formed under the first shielding film 141, and the second shielding film 145 is formed under the first shielding film 141. In addition, A plurality of fastening holes 47 corresponding to the fastening holes 42 may be disposed.

A fusion protrusion 41A protrudes below the first shielding film 141 and a fusion hole 45 is formed in the second shielding film 145. [ The fused protrusion 41A of the first shielding film 141 can be fitted into the fused hole 45 of the second shielding film 145. [ The positions of the fused protrusions 41A may be located outside the positions of the fastening holes 47 and 42 and may be arranged at predetermined intervals along the outer circumference of the first shielding film 141. However, the present invention is not limited thereto. A cable hole 41 may be formed in the flared protrusion 41A and the signal cable can be drawn out through the cable hole 41. [

A plurality of fixing protrusions 43 are disposed on the outer circumference of the first shielding film 141 and a fixing protrusion groove 48 in which the fixing protrusions 43 are inserted is disposed around the outer surface of the second shielding film 145 do. When the first and second shielding films 141 and 145 are formed, the fixing protrusions 43 are disposed in the fixing protrusions 48. A fastening hole 43A is provided in the fixing protrusion 43 and the fastening hole 43A can be fastened by fastening means 105 to be fastened to the second heat discharging body 151 and the socket 160. [ .

At least one upper spacer 49A is disposed on the lower surface of the first shielding film 141 and at least one lower spacer 49 is disposed on the upper surface of the second shielding film 145. The upper and lower spacers 49A and 49 face each other and when the upper and lower spacers 49A and 49 are brought into contact with each other, the passage P3 of air flows through the region between the upper and lower spacers 49A and 49, Can be provided. A plurality of the upper and lower spacers 49A and 49 are arranged and the center of each of the plurality of spacers 49A and 49 is a predetermined angle from the center of the first and second shielding films 141 and 145, , 120 degrees apart from each other. However, the present invention is not limited thereto. The fixing protrusions 43 may protrude from the upper spacer 49A, but the present invention is not limited thereto.

A guide protrusion 46 protrudes from the lower surface of the second shielding film 145 to the outside of the fixing protrusion groove 48. The guide protrusion 46 has an inner open area 46A, The shielding film 140 can be prevented from being tilted by the guide protrusions 46. As a result,

The first and second shielding films 141 and 145 may be formed of a plastic material such as acrylic resin such as polymethyl methacrylate (PET), polyethylene terephthalate (PET), polycarbonate (PC), cycloolefin copolymer (COC), and polyethylene naphtha late And a resin. The first and second shielding films 141 and 145 may be formed of a metal material or a non-metal material.

11, 12, and 14, the shielding cover 170 is disposed under the shielding film 141 and may be coupled to the second shielding film 145. Referring to FIG.

The shielding cover 170 is provided with a receiving space 175 and a connector mounting portion 175A at an upper portion thereof. The storage space 175 may provide a space for radiating heat generated from the connector mounted on the connector mounting portion 175A and block the heat transmitted from the lower portion to the upper light emitting module. As shown in FIG. 14A, the connector mounting portion 175A is recessed below the bottom of the receiving space 175, and a support rib 175C protruding upward is disposed around the connector mounting portion 175A, can do.

The shielding cover 170 is in the form of a disk and has a hooking protrusion 172 on its outer periphery so that the guide protrusion 46 of the second shielding film 145 can be engaged. Accordingly, the guide protrusion 46 can be guided along the stopping protrusion 172.

14A and 14B, a fastening hole 171 is provided around the shielding cover 170 so as to be coupled between the shielding film 140 and the second heat discharging body 151. The shielding cover 170 may be formed of a metal or a non-metal material, but is not limited thereto.

One or a plurality of fixed ribs 176 may be provided under the shielding cover 170 and the fixed ribs 176 may separate the shielding cover 170 from the upper surface of the power supply unit 150 . Accordingly, the shielding cover 170 can be spaced apart from the upper surface of the power supply unit 150 by the fixed ribs 176, and the spaced apart spaces thereof can reduce heat dissipation to the heat generated in components such as the SMPS . Further, the plurality of fixed ribs 176 can be pressed with a uniform force on the upper surface of the power supply unit 150, thereby preventing the power supply unit 150 from flowing.

A latching protrusion 176 may be disposed on the outer periphery of the shielding cover 170 so as to be coupled to the outside of the second heat discharging body 151. A cable hole 177 is provided in the shielding cover 170 to enable coupling of the power supply unit 150 and the connector.

Referring to FIGS. 2 and 13, a shield cover 170 and a second heat sink 151 are coupled under the shielding film 140. A socket portion 160 is coupled to the second heat discharging body 151.

The inside of the shield cover 170 may be inserted into the second heat discharging body 151. The second heat discharging body 151 may have a cylindrical shape having a predetermined height, for example, a cylinder, an elliptical cylinder, or a polygonal cylinder. The height of the second heat discharging body 151 can be adjusted according to the calorific value or the size of the lighting apparatus.

The second heat discharging body 151 may be formed of a metal material such as aluminum or an aluminum alloy. The alloy material may be formed of an alloy containing at least one selected from the group consisting of aluminum, Si, Mg, Zn, Bi, and Sn . The content of aluminum in the aluminum alloy may be larger than the content of other metals. Other metal may be coated on the surface of the first heat discharging body 111, but the present invention is not limited thereto. The second heat discharging body 151 may be made of a metal other than aluminum, such as copper, silver or nickel, or an alloy, but is not limited thereto. The first and second heat dissipators 111 and 151 may include graphite, for example, a graphene material, but are not limited thereto.

The power supply unit 150 may be coupled to the second heat sink 151, but the present invention is not limited thereto. The power supply unit 150 may include a component 150B such as an SMPS (Switching Mode Power Supply) disposed in a metal case 150A and then molding the same with a molding member so as to heat the heat generated through the components such as SMPS to the metal case 150A And the second heat discharging body 151, as shown in Fig. The metal case 150A may be in contact with the inner surface of the second heat discharging body 151 to conduct heat, and may be formed of an aluminum-based material.

The second heat discharging body 151 is formed on the inner side in a vertical direction, and a fastening groove 153 spaced from the first heat discharging body 151 is disposed. The locking grooves 153 may be disposed in correspondence with one or more locking projections 43 of the first shielding film 141, for example. When the shielding film 140, the shielding cover 170 and the socket 160 are coupled to the second heat discharging body 151 under the second heat discharging body 151, The fastening hole 62 of the first heat shield 150, the fastening hole 153 of the second heat discharging body 151, the fastening hole 171 of the shielding cover 170, and the fastening protrusion 43 of the first shielding film 141 ). Accordingly, the shielding film 140 and the socket 160 can be fixed on the second heat discharging body 151.

As shown in FIG. 16, fins 152 are vertically protruded and arranged on the outer surface of the second heat discharging body 151. The heat dissipating surface area can be increased by the fins 152, and the power supplying part 150 And the connector 175B can be effectively dissipated.

A socket 160 is disposed below the second heat discharging unit 151. The socket 160 includes a case 161 for connecting a signal cable to the power supply unit 150, 161 may be coupled to a terminal portion 165. [ The terminal unit 165 may be coupled to an external power socket to receive power.

A fastening hole 62 corresponding to the fastening groove 153 of the second heat discharging body 151 is disposed on the outer periphery of the socket portion 160 so that the fastening means 105 can be fastened to the socket portion 160 And may be coupled to the second heat discharging body 151.

1 and 15, the lighting apparatus includes a light source unit 110 having five light source modules 110A. The light source module 110A is connected to the first light emitting module 121 can be dissipated primarily through the region P1 between the light emitting modules 110A. 13) in the second heat discharging body 151 and the socket portion 160 may radiate heat or dissipate heat through the heat radiating passage P3 of the shielding film 140. [

17 to 20, one light source module 110A may be disposed on the shielding film 140 according to the embodiment, or two or more or three or more light source modules may be disposed. For example, up to five light source modules 110A can be arranged. That is, the light source modules 110A having the same size or sector shape can be arranged inside the circular shape.

As shown in FIGS. 17A and 17B, when the top view shape is a fan shape, the area occupied by each light source module 110A is determined based on the center P0 of the shielding film 140 The internal angle? 1 between the straight lines X1 and X2 passing through both outer sides of the light source module 110A can be arranged at an angle of less than 90 degrees, for example, 72 degrees or less. The angle may vary depending on the maximum number of mounts or power consumption of the light source module 110A, for example, more than five light source modules may be arranged according to the angle, and less than five light source modules may be arranged.

When the light source module 110A is one, the light source module 110A may be disposed at a predetermined position of the shielding film 140. In this case, a member such as a fastening hole 42 and a cable hole 41 corresponding to the coupling of the one light source module 110A may be disposed in the shielding film 140. [

As shown in FIGS. 18A and 18B, when two light source modules 110A are provided, two light source modules 110A may be adjacent to each other or may be disposed in regions opposite to each other with respect to the center of the shielding film 140 . In this case, coupling members for coupling the two light source modules 110A may be disposed on the shielding film 140 in a corresponding manner.

As shown in FIGS. 19A and 19B, when three light source modules 110A are provided, three light source modules 110A may be disposed adjacent to each other or may be disposed apart from each other. In this case, fastening members for coupling with the three light source modules 110A may be disposed on the shielding film 140 in a corresponding manner.

As shown in FIGS. 20A and 20B, when the number of the light source modules 110A is four, the light source modules 110A may be arranged in the four directions from the center of the shielding film 140, respectively. In this case, a coupling member for coupling with the four light source modules 110A may be disposed on the shielding film 140. [

In the embodiment, a heat radiator may be applied to each light source module, thereby eliminating a phenomenon in which heat is generated. In addition, the light source modules can be arranged in a circular shape to provide a 360 degree light source. Also, up to five individual light source modules can be coupled, thereby providing a light source unit that is suitable for power consumption. In addition, when the lighting device is used as an indoor or outdoor luminaire, it has a waterproof, dustproof and insecticidal effect. In addition, since the lengths of the first and second heat sinks can be adjusted, that is, the longitudinal length thereof can be adjusted, the length of the light source can be adjusted freely. It can also be easily replaced after removing a lamp such as a conventional incandescent or sodium lamp.

The features, structures, effects and the like described in the embodiments are included in at least one embodiment of the present invention and are not necessarily limited to only one embodiment. Furthermore, the features, structures, effects and the like illustrated in the embodiments can be combined and modified by other persons skilled in the art to which the embodiments belong. Therefore, it should be understood that the present invention is not limited to these combinations and modifications.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of illustration, It can be seen that various modifications and applications are possible. For example, each component specifically shown in the embodiments can be modified and implemented. It is to be understood that all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

110: light source 110A: light source module
111: First heat sink 112, 113: Heat radiation frame
121: first light emitting module 122: second light emitting module
127: heat radiating plate 131: translucent cover
135: transparent cover 140: shielding film
141: first shielding film 145: second shielding film
150: Power supply unit 151: Second heat sink
160: socket portion 170: shielding cover

Claims

A first light emitting module having a first substrate on an outer surface of the first heat emitting body and a first light emitting element on the first substrate, a second light emitting module disposed on the first heat emitting body, A plurality of light source modules including a substrate and a second light emitting module having a second light emitting element disposed on the second substrate;
A shielding film disposed under the plurality of light source modules;
A second heat sink disposed below the shielding film; And
And a socket portion disposed below the second heat discharging body,
Wherein each of the plurality of light source modules has an inner angle of less than 90 degrees between straight lines passing through both outer edges of the light source modules from the center of the shielding film,
Wherein the plurality of light source modules include a plurality of transparent covers disposed on the outer side of each of the first light emitting modules and a plurality of transparent covers disposed on each of the second light emitting modules,
The first heat-radiating member may include a first heat-radiating member that is inclined at a predetermined angle and closely contacted with each other and includes a first radiating frame and a second radiating frame integrally formed, And a second group of heat dissipating members including a third heat dissipating frame and a fourth heat dissipating frame,
The first group of heat discharging bodies and the second group of heat discharging bodies are spaced apart from each other,
Wherein the first light emitting module is disposed on an outer surface of the first and second heat dissipating frames,
Wherein the first substrate of the first light emitting module is disposed on an outer surface of each of the first and second heat dissipating frames,
Wherein each of the plurality of light-transmitting covers is coupled to both side walls of the first and second heat-
Wherein the plurality of translucent covers include a first group of translucent covers covering the upper surfaces and side surfaces of the first radiating frame and the second radiating frame at the same time and a second translucent cover covering the upper surfaces and the side surfaces of the third radiating frame and the fourth radiating frame, And a second group of translucent covers covering the first group,
The first group of translucent covers and the second group of translucent covers are spaced apart from each other,
Side end faces of the first and second groups of light-transmitting covers have a hyperbolic shape,
Wherein each of the plurality of transparent covers is disposed on the first and second heat dissipation frames of the first heat dissipation body,
Wherein the light source module includes a heat dissipation plate between the second light emitting module and the first heat dissipation unit,
Wherein the heat dissipation plate includes a first group of heat dissipation plates contacting the first heat dissipation frame and the second heat dissipation frame at the same time and a second group of heat dissipation plates contacting the third heat dissipation frame and the fourth heat dissipation frame at the same time,
The first group of heat dissipation plates and the second group of heat dissipation plates are spaced apart from each other,
Wherein the heat dissipation plate has a seating portion at a lower portion and a plurality of heat dissipating ribs protruding from the seating portion, the seating portion and the heat dissipating rib being in contact with the first and second heat dissipating frames.

The method according to claim 1,
Wherein the first heat-radiator has a latching groove on both side walls,
Wherein the light-transmitting cover has a latching protrusion which is engaged with the latching groove,
And the latching groove is arranged in a longitudinal direction on both outer walls of the first and second heat dissipation frames.

3. The method of claim 2,
Wherein each of the plurality of transparent covers covers an upper surface and a side surface of the second light emitting module and extends outside the transparent cover disposed below each transparent cover.

The method of claim 3,
Wherein the first and second heat dissipating frames each have an engagement protrusion in which both ends of the first substrate are inserted to prevent foreign matter from entering the both edges.

5. The method according to any one of claims 1 to 4,
Wherein the first heat discharging body includes a fastening groove for fastening the second substrate and the shielding film to each other by fastening means so that separate tab structures can be removed at upper and lower portions.

5. The method according to any one of claims 2 to 4,
Wherein each of the first and second heat dissipation frames includes a plurality of heat dissipation fins protruding to the back surface and a plurality of heat dissipation protrusions arranged in a direction perpendicular to the heat dissipation fins to increase the heat dissipation area.

The method according to claim 6,
Wherein the plurality of heat dissipation fins have different widths so as to protrude toward the center of the cylindrical shape on the back surface of the first and second heat dissipation frames.

6. The method of claim 5,
Wherein the shielding film comprises: a first shielding film coupled to the first heat discharging body; A second shielding film disposed between the first shielding film and the second heat discharging body; And a heat dissipation path in a region between the first and second shielding films to emit heated air therein.

6. The method of claim 5,
Wherein the plurality of light source modules are disposed adjacent to or spaced from each other on the shielding film.

6. The method of claim 5,
Wherein the plurality of light source modules are arranged so that a maximum of five light source modules are spaced apart from each other by 360 degrees from the center of the shielding film.

5. The method according to any one of claims 2 to 4,
Wherein the internal angle between the two straight lines extending horizontally on the outer side surfaces of the first and second heat radiation frames is an obtuse angle.

delete

9. The method of claim 8,
Wherein a spacer for the heat radiation path protrudes from the lower surface of the first shielding film and the upper surface of the second shielding film.

9. The method of claim 8,
Wherein the second heat discharging body and the shielding film have a fastening groove and a fastening protrusion which are fastened by fastening means.

6. The method of claim 5,
Wherein the first and second light emitting elements comprise a light emitting chip.

delete

The method according to claim 1,
Wherein the heat dissipation plate includes a plurality of heat dissipation fins at a lower portion and an upper portion at an upper portion of the heat dissipation plate.

5. The method according to any one of claims 1 to 4,
And a shield cover coupled between the shielding film and the second heat discharger to shield heat.

19. The method of claim 18,
Wherein the shielding cover includes a storage space at an upper portion thereof and a plurality of fixed ribs protruding at a lower portion thereof.

A lighting device according to any one of claims 1 to 4; And
Wherein the first and second light emitting elements of the illumination device comprise a light emitting chip.