KR101879215B1 - Light Source Segregation Type Lighting Device - Google Patents

Abstract

Embodiments relate to a light source separation type lighting apparatus, and it is possible to efficiently use a product, to facilitate packaging and storage, by replacing a conventional light unit unit and a circuit unit (PSU) . Further, there is an advantage that the position of the electrode is not changed even when the light source unit is coupled to the circuit unit (PSU) by rotation or detachable connection.
A light source separation type lighting apparatus according to an embodiment of the present invention includes a light source unit having a light source module disposed at an upper portion and a first and a second terminal disposed at a center of a lower portion of the light source module, a cover coupled to the light source unit, And a third and a fourth terminal connected to the first and second terminals of the light source unit at an upper center of the light source unit. The heat sink is disposed inside the lower portion of the heat sink, An inner case in which a power control unit for controlling power is housed, and a socket provided under the inner case and supplying power to the power control unit. The light source unit includes a first arrangement unit in which the light source module is installed, a second arrangement unit in which first and second terminals protrude from an outer circumferential surface, and a guide unit formed between the first and second arrangement units. Wherein the heat dissipating body has a circular rim at an upper portion thereof, a placement surface having a stepped portion with the circular rim is formed on the inner side, a plurality of insertion grooves for inserting the first and second terminals of the light source portion, And the third and fourth terminals connected to the first and second terminals of the light source unit are formed in the latching groove.

Description

[0001] Description [0002] LIGHT SOURCE SEAGING TYPE LIGHTING DEVICE [0003]

The embodiment relates to a light source separation type illumination device capable of separating a light source part and a power supply unit (PSU).

2. Description of the Related Art Generally, a light emitting diode (LED) is a type of semiconductor device that converts electric energy into light. The light emitting diode (LED) has advantages of low power consumption, semi-permanent lifetime, quick response speed, safety, and environmental friendliness compared to conventional light sources such as fluorescent lamps and incandescent lamps.

Accordingly, in recent years, much research has been conducted to replace an existing light source with a light emitting diode (LED), and it is widely used as a light source for various liquid crystal display devices, electric sign boards, and street lamps used in indoor and outdoor.

In the conventional lighting device using the light emitting diode (LED), a light source unit combined with an LED and a circuit unit (PSU) driving the LED are combined. Therefore, in the related art, if any one of the light source unit and the PSU occurs, there is a problem that the light source unit and the PSU must be replaced together.

For example, the lifetime of the LED light source of the light source unit is usually about 50,000 hrs, and the lifetime of the PSU is about 25,000 hrs to 30,000 hrs. In this way, since the lifetime of the light source unit is different from that of the circuit unit (PSU), there is a problem that both of the light source unit and the PSU need to be replaced even if a failure occurs.

Korean Patent Publication No. 2010-0135550 (published on December 27, 2010) Korean Patent Publication No. 2010-0124513 (published on November 29, 2010) Japanese Unexamined Patent Publication No. 2006-313718 (published on November 16, 2006) Japanese Laid-Open Patent Application No. 2009-206104 (published on September 10, 2009)

In order to solve the above-described problems, an object of the present invention is to provide a light source separation type lighting device in which a light source unit and a power supply unit (PSU) I have to.

Another object of the present invention is to provide a light source separation type illumination apparatus in which the positions of electrodes are not changed even when the light source unit is rotated or detachably coupled to the PSU.

Another object of the present invention is to provide a light source separation type lighting device which combines a cover and a light source part using a bolt, a screw, a rotation, and a spring pin coupling method. I have to.

Another object of the present invention is to provide a light source separation type light source that combines a light source unit and a circuit unit (PSU) using a bolt, a screw, a rotation, and a spring pin coupling method. Device.

The solution to the problem of the present invention is not limited to those mentioned above, and other solutions not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a light source separation type illumination device including a light source unit having a light source module disposed on an upper portion thereof and first and second terminals disposed on a lower center thereof, And a third and a fourth terminal connected to the first and second terminals of the light source unit at an upper center of the heat sink. The heat sink is disposed inside the lower portion of the heat sink, And a power supply control unit for controlling the power supply of the light source unit through a terminal of the light source unit, and a socket provided under the inner case for supplying power to the power supply control unit.

Here, the light source unit may include a first arrangement unit in which the light source module is installed, a second arrangement unit in which first and second terminals are provided in the lower center and screws are formed on the outer peripheral surface, And the third and fourth terminals connected to the first and second terminals of the light source unit are formed at the center of the placement surface, And a threaded portion to be fastened to the screw of the light source unit is formed.

In addition, the light source unit may include a first arrangement unit in which the light source module is installed, a second arrangement unit in which first and second terminals are provided at the center of the lower part and spring pins protrude from both sides of the first arrangement unit, Wherein the first and second terminals are connected to the first and second terminals of the light source unit at the center of the arrangement plane, And insertion holes into which the spring pins of the light source unit are inserted are formed on both sides of the placement surface.

The first terminal of the light source part protrudes out of the lower surface of the second arrangement part, the second terminal of the light source part protrudes outside the first terminal inside the first terminal of the light source part, and the first and second The terminals have opposite polarities to each other. At this time, the first terminal may have a cylindrical shape and the second terminal may have a cylindrical shape. In addition, an insulator may be included between the first and second terminals.

Wherein the third terminal of the heat discharging body is protruded to the upper portion of the arrangement surface and the fourth terminal of the heat discharging body is disposed inside the third terminal of the heat discharging body, And has opposite polarity. In this case, the third terminal may have a cylindrical shape, and the fourth terminal may have a circular groove. In addition, an insulator may be included between the third and fourth terminals.

The light source unit may include a first arrangement unit in which the light source module is installed, a second arrangement unit in which first and second terminals protrude from the outer peripheral surface, and a guide unit formed between the first and second arrangement units A plurality of insertion grooves for inserting the first and second terminals of the light source unit in the circular rim, and a plurality of insertion grooves for inserting the first and second terminals of the light source unit in the circular rim, And the third and fourth terminals connected to the first and second terminals of the light source unit are formed in the latching groove.

The first and second terminals of the light source unit have a rectangular shape, and are sequentially disposed on the outer circumferential surface or alternately arranged, and have opposite polarities. The insertion groove of the heat dissipator is formed by cutting the upper surface and the inner surface of the circular rim vertically to the placement surface, and the latching groove of the heat dissipating member is formed in one lower horizontal direction . In addition, the circular rim has a plurality of protrusions formed on its upper surface.

The light source unit and the heat sink may be fastened by a screw coupling method, a spring pin coupling method, a rotary coupling method, or the like. At this time, the rotation coupling method may be configured to have a rotation angle of 15 degrees.

A plurality of heat dissipation fins may be formed around the heat dissipation body.

The light source unit and the cover may be coupled through an adhesive or may be combined using any one of a bolt fastening method, a screw fastening method, a rotation fastening method, and a hook fastening method.

According to the embodiment, the problem that the lifetime of the LED package and the lifetime of the PSU (power supply unit) are different is solved by the separate structure. That is, the light source unit and the circuit unit, which are integrally formed, can be replaced so as to be replaceable and can be replaced for each part.

Further, there is an advantage that the position of the electrode is not changed even when the light source unit is coupled to the circuit unit (PSU) by rotation or detachable connection.

Also, it can be produced and sold for each part of the light source part and the circuit part.

In addition, the LED package (light source part) and the PSU (circuit part) having different lifetimes can be separated and used efficiently. That is, the life of each part can be maximized.

Further, the lighting device is configured as a separate type, so that it is easy to package and store.

The effects of the present invention are not limited to those mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the following description.

1 to 5 are views of a light source separation type illumination apparatus according to a first embodiment,
1 is a perspective view from above,
2 is a perspective view as seen from below,
3 is an exploded perspective view as viewed from above,
4 is an exploded perspective view seen from below,
5 is an exploded perspective view of the cover and the light source unit.
6 and 7 are views of a light source separation type illumination apparatus according to the second embodiment,
6 is an exploded perspective view as viewed from above,
7 is an exploded perspective view seen from below.
8 and 9 are views of a light source separation type illumination apparatus according to a third embodiment,
8 is an exploded perspective view as viewed from above,
9 is an exploded perspective view seen from below.

The thickness and size of each layer in the drawings are exaggerated, omitted, or schematically shown for convenience and clarity of explanation. Also, the size of each component does not entirely reflect the actual size.

In the description of the embodiment according to the present invention, in the case of being described as being formed "on or under" of each element, the upper (upper) or lower (lower) or under are all such that two elements are in direct contact with each other or one or more other elements are indirectly formed between the two elements. Also, when expressed as "on or under", it may include not only an upward direction but also a downward direction with respect to one element.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

First Embodiment

1 is a perspective view from above, FIG. 2 is a perspective view from below, FIG. 3 is an exploded perspective view from above, and FIG. 4 is a perspective view from below Fig. 5 is an exploded perspective view of the cover and the light source unit. Fig.

1 to 4, the light source separation type lighting apparatus of the first embodiment includes a light source 110, a cover 120, a heat discharger 130, an inner case 140, and a socket 150 And the light source unit 110 and the heat discharging unit 130 are separated and coupled by a screw fastening method.

First, the cover 120 has a shape of a bulb or a hemisphere, a space is formed in the inside thereof, and a bottom is opened. The cover 120 having such a shape can be formed through blow molding.

The cover 120 may be optically coupled to the light source 110. Specifically, the cover 120 may be combined with the member of the light source 110 (refer to 119 in FIG. 5). The coupling between the cover 120 and the member 119 may be coupled through an adhesive or may be combined in various ways such as a bolt fastening method, a rotation coupling method, and a hook coupling method. Here, the bolt fastening method is a method of coupling the cover 120 with the light source part 110 using bolts, and the screw coupling method is a method in which the cover 120 and the light source part 110 are coupled to the screw groove of the light source part 110, The cover 120 and the member 119 are coupled with each other by the rotation of the cover 120 in the manner of fastening the screw thread of the light source unit 110 to the light source unit 110, The protrusion of the cover 120 is inserted into the groove of the cover 120 and then the protrusion of the cover 120 is engaged with the protrusion of the cover 120. The hook 120 is inserted into the groove of the member 119, Member 119 is combined.

The cover 120 serves to diffuse, scatter, or excite light generated in the light source unit 110. In order to excite the light from the light source 110, a phosphor may be provided on the inside / outside of the cover 120 or inside thereof.

The inner surface of the cover 120 may be coated with a milky white paint. Here, the milky white paint may include a light diffusing material.

The surface roughness of the inner surface of the cover 120 may be larger than the surface roughness of the outer surface. This is for sufficiently scattering and diffusing the light from the light source unit 110.

The cover 120 may be made of glass, plastic, polypropylene (PP), polyethylene (PE), polycarbonate (PC), or the like. Here, the polycarbonate has an advantage of excellent light resistance, heat resistance and strength.

In addition, the cover 120 may be made of a transparent material or an opaque material.

4 and 5, the light source unit 110 may include at least one light source module 117 and a member 119. [

The light source module 117 is disposed on the member 119 to emit light to the inner surface of the cover 120. The member 119 is coupled with the heat discharging body 130 to electrically connect the light source module 117 and a circuit unit (not shown). Hereinafter, the light source module 117 and the member 119 will be described in detail.

The light source module 117 includes a substrate and at least one light emitting device 118. The light emitting device 118 is disposed on one side of the substrate. The light source module 117 may be two, one, or three or more as shown in the figure.

The substrate has a rectangular plate shape, but is not limited thereto and may have various shapes. For example, it may be a circular or polygonal plate shape. Such a substrate may be a printed circuit pattern on an insulator, and may include a printed circuit board (PCB), a metal core PCB, a flexible PCB, a ceramic PCB, and the like. In addition, a COB (Chips On Board) type that can directly bond an unpackaged LED chip on a printed circuit board can be used. The substrate 211 may be formed of a material that efficiently reflects light, or may be formed of a color whose surface reflects light efficiently, for example, white, silver, or the like.

The substrate surface of the light source module 117 may be a material that efficiently reflects light, or may be coated with a color in which light is efficiently reflected, for example, white, silver, or the like.

The light emitting device 118 may be a light emitting diode chip that emits red, green, or blue light, or a light emitting diode chip that emits UV light. Here, the light emitting diode chip may be a lateral type or a vertical type, and the light emitting diode chip may emit blue, red, yellow, or green light. .

The light emitting device 118 may have a phosphor. The phosphor may be at least one of a garnet system (YAG, TAG), a silicate system, a nitride system, and an oxynitride system. Alternatively, the fluorescent material may be at least one of a yellow fluorescent material, a green fluorescent material, and a red fluorescent material.

The member 119 includes a first arrangement section 115, a second arrangement section 112, and a guide section 116. Here, the first arrangement part 115 may be the upper surface of the member 119, and the second arrangement part 112 may be the lower surface of the member 119. The first arrangement part 115 and the second arrangement part 112 can be distinguished from each other by the guide part 116.

The light source module 117 is disposed in the first arrangement part 115. Specifically, the substrate of the light source module 117 may be disposed in the first arrangement unit 115. The first arrangement unit 115 may have a cavity (not shown) into which the substrate of the light source module 117 can be inserted. At this time, the depth of the cavity may be the same as the thickness of the substrate of the light source module 117, and may be plural according to the number of the substrates.

First and second terminals 113 and 114 are disposed at the center of the lower surface of the second arrangement part 112, and a screw part 111 is formed on the outer surface. The first terminal 113 protrudes out from the lower surface of the second arrangement part 112 and the second terminal 114 protrudes from the first terminal 113 inside the first terminal 113 Respectively. The first and second terminals 113 and 114 have opposite polarities, and an insulator is formed between the first and second terminals 113 and 114. The first terminal 113 may have a cylindrical shape and the second terminal 114 may have a cylindrical shape.

The first and second terminals 113 and 114 are electrically connected to the light source module 117. At this time, the first and second terminals 113 and 114 and the light source module 117 may be electrically connected through a wire. Also, the electrical connection between the first and second terminals 113 and 114 and the light source module 117 may be connected by the first and second terminals 113 and 114 themselves.

The first and second terminals 113 and 114 of the light source unit 110 are in direct contact with the third and fourth terminals 133 and 134 of the heat discharger 130. Here, the third and fourth terminals 133 and 134 of the heat discharging body 130 are connected to a power control unit installed inside the heat discharging body 130, as will be described later in detail. Accordingly, the light source unit 110 is electrically connected to the power source control unit by coupling with the heat discharger 130.

The guide part 116 of the light source part 110 is positioned between the cover 120 and the heat sink 130 when the light source part 110 is coupled to the heat sink 130. The upper surface of the guide portion 116 may be coupled to the cover 120 and the lower surface of the guide portion 116 may be coupled to the radiating fin 131 of the radiator 130. The first arrangement part 115 and the second arrangement part 112 are formed with reference to the guide part 116.

A screw portion 111 is formed on the outer circumferential surface of the second arrangement portion 112. The light source unit 110 is coupled by fastening a threaded portion 111 of the second placement unit 112 to a threaded portion 135 formed inside the upper portion of the heat emission body 130. At this time, the first and second terminals 113 and 114 of the light source unit 110 are electrically connected to the third and fourth terminals 133 and 134, which are disposed above the heat discharging body 130, while being mechanically contacted.

The material of the member 119 of the light source 110 may be a material having thermal conductivity. This is to quickly dissipate heat generated from the light source module 117 to protect the light source module 117 from heat. For example, the material of the member 119 may be aluminum (Al), nickel (Ni), copper (Cu), magnesium (Mg), silver (Ag), tin (Sn) Alternatively, it may be a thermally conductive plastic having thermal conductivity. The thermally conductive plastic is advantageous in that it is lighter in weight than a metal and has unidirectional thermal conductivity.

Meanwhile, when the member 119 is made of a conductive metal, the first and second terminals 113 and 114 may be electrically short-circuited because they are conductors. To prevent this, the member 119 may be made of an insulator.

The heat discharging body 130 is coupled to and separated from the light source unit 110 in a screw coupling manner and is connected to the first and second terminals 113 and 114 of the light source unit 110 at the upper center, Four terminals 133 and 134 are disposed.

The heat discharger 130 receives heat from the light source 110 and a power control unit (not shown) installed therein to dissipate heat. At this time, the heat discharging body 130 may be composed of aluminum (Al), nickel (Ni), copper (Cu), magnesium (Mg), silver (Ag), tin (Sn) Alternatively, it may be composed of a thermally conductive plastic having thermal conductivity. The thermally conductive plastic is advantageous in that it is lighter in weight than a metal and has unidirectional thermal conductivity.

3, the heat discharging body 130 has a placement surface 132 on the inside of the upper portion and has first and second terminals 113 and 114 of the light source 110 at the center of the placement surface 132, And the third and fourth terminals 133 and 134 are formed. A threaded portion 135, which is fastened to the threaded portion 111 of the light source unit 110, is integrally formed on the inside of the upper portion.

The third terminal 133 of the heat discharging body 130 has a cylindrical shape and protrudes from the upper surface of the placing surface 132. The fourth terminal 134 is formed in the third terminal 133, Respectively. At this time, the third and fourth terminals 133 and 134 have opposite polarities, and an insulator is formed in the middle.

The first and second terminals 113 and 114 of the light source unit 110 are coupled to the third and fourth terminals 133 and 134 of the heat discharging body 130 when the light source unit 110 is coupled to the heat discharging body 130. [ So that they are electrically connected. The heat from the light source unit 110 is conducted to the heat radiation fins 131 of the heat sink 130 by the combination of the heat sink 130 and the light source unit 110.

The heat discharging body 130 includes a plurality of radiating fins 131 at an upper portion thereof and a screw portion 135 is formed at an inner side of the radiating fin 131. The threaded portion 111 of the light source 110 is coupled to the threaded portion 135 of the heat dissipating fin 131 by the heat discharging body 130.

The radiating fin 131 may extend from the outer surface of the heat discharging body 130 or may be connected to the outer surface of the radiating body 130. Accordingly, the heat dissipation fin 131 can enlarge the heat dissipation area of the heat dissipation member 130 to improve the heat dissipation efficiency.

The placement surface 132 formed inside the upper portion of the heat discharging body 130 is formed lower than the radiating fin 131 and has a flat surface. Third and fourth terminals 133 and 134 connected to the first and second terminals 113 and 114 of the light source 110 are formed at the center of the placement surface 132.

The guide part 116 of the light source part 110 is disposed on the radiating fin 131 by engagement. Accordingly, the heat radiating fin 131 directly receives the heat through the contact between the screw portion 111 of the light source 110 and the guide portion 116, and dissipates heat.

The inner case 140 is installed inside the lower portion of the heat discharging body 130 and is coupled to the socket 150. A power control unit (not shown) for controlling the power of the light source unit 110 is housed in the inner case 140 through the heat discharger 130 and the electrode terminals of the light source unit 110.

The inner case 140 may be formed of a non-conductive material to prevent an electrical short between the power source control unit and the heat discharger 130. The inner case 140 may be made of plastic or resin.

The power control unit receives power through the socket 150 and supplies power to the light source module 117 of the light source unit 110. At this time, the power control unit converts the power supplied through the socket 150 according to the driving voltage of the light source module 117 and supplies the power.

The power control unit is electrically connected to the third and fourth terminals 133 and 134 of the heat discharging body 130. The electrical connection between the power control unit and the third and fourth terminals 133 and 134 may be connected via a wire or directly connected. That is, the terminals of the power control unit may be directly connected to the third and fourth terminals 133 and 134.

The power supply control unit includes a DC converter for converting the AC power supplied through the socket 150 to DC power, a driving chip for controlling the driving of the light source module 117, And an ESD (ElectroStatic discharge) protection device for the ESD protection.

The socket 150 is coupled with the inner case 140 to supply power to the power control unit and support the lighting apparatus. The socket 150, like a socket of an incandescent bulb, has a screw thread and a screw groove formed on the outer circumferential surface thereof. The socket 150 is electrically connected to the power supply circuit by coupling with the inner case 140. At this time, the socket 150 may be connected to the power control unit through a wire or directly connected thereto.

As described above, the light source separating type illuminating device according to the first embodiment is configured such that the light source unit 110 and the circuit unit (PSU) are coupled and separated by a screw coupling method, The lighting apparatus can be efficiently used. In addition, the light source unit and the PSU can be manufactured and sold for each part, and the position of the electrode is not changed even when the light source unit 310 is coupled to the PSU.

Here, the circuit unit (PSU) includes the heat discharging body 130 in which the power control unit is disposed.

Second Embodiment

6 and 7 are views of a light source separation type illumination apparatus according to a second embodiment, wherein FIG. 6 is an exploded perspective view as viewed from above and FIG. 7 is an exploded perspective view as viewed from below.

6 and 7, the light source separation type lighting apparatus of the second embodiment includes a light source unit 210, a cover 220, a heat discharger 230, an inner case 240, and a socket 250 And the light source unit 210 and the heat discharging unit 230 are separated and coupled by a spring pin fastening method.

That is, in the second embodiment, the first and second terminals 213 and 214 are disposed at the center of the lower surface of the light source 210, and spring pins 212 and 214 are provided on both sides of the first and second terminals 213 and 214, respectively. And third and fourth terminals 233 and 234 connected to the first and second terminals 213 and 214 of the light source unit 210 are formed at the center of the upper placement surface 232 of the heat discharging body 230, And the insertion grooves 235 for inserting the spring pins 212 of the light source unit 210 are formed on both the placement surfaces 232 of the third and fourth terminals 233 and 234, 1 embodiment.

Like the first embodiment, the cover 220 has a shape of a bulb or a hemisphere, has a space formed therein, and has a bottom opened.

The cover 220 is installed on the light source module of the light source unit 210. At this time, the coupling between the cover 220 and the light source unit 210 may be combined through an adhesive, or may be combined in various ways such as a bolt fastening, a rotation coupling, and a hook coupling.

The light source 210 may include one or more light source modules (see 117 in FIG. 5) and a member (see 119 in FIG. 5). At this time, the light source module includes one or more light emitting devices (see 118 in FIG. 5).

The member includes a first arrangement section (see 115 in FIG. 5), a second arrangement section (211 in FIG. 7), and a guide section (116 in FIG. 5). Here, the first arrangement part may be the upper surface of the member, and the second arrangement part 211 may be the lower surface of the member. The first arrangement part and the second arrangement part 212 can be distinguished by the guide part.

The light source module is disposed in the first arrangement portion. The first and second terminals 213 and 214 are disposed at the center of the lower surface of the second arrangement portion 212. The spring pins 212 protrude from both sides of the first and second terminals 213 and 214, . At this time, the spring pin 212 has a bent shape (" " and " > " However, it is not necessarily limited to this shape, but it can be implemented in any other shape.

The first terminal 213 protrudes out of the lower surface of the second arrangement part 211 and the second terminal 214 protrudes from the first terminal 213 inside the first terminal 213 Respectively. The first and second terminals 213 and 214 have opposite polarities, and an insulator is formed between the first and second terminals 213 and 214. Here, the first terminal 213 may have a cylindrical shape, and the second terminal 214 may have a cylindrical shape.

The first and second terminals 213 and 214 are electrically connected to the light source module. The first and second terminals 213 and 214 are in direct contact with the third and fourth terminals 233 and 234 of the heat sink 230 when the light source 210 and the heat sink 230 are coupled.

As shown in FIG. 6, the heat discharging body 230 has a placement surface 232 at an upper portion thereof. The first and second terminals 213 and 214 of the light source unit 210 are disposed at the center of the placement surface 232, And third and fourth terminals 233 and 234 to be connected are formed. Insertion grooves 235 for inserting the spring pins 212 of the light source unit 210 are formed on the placement surfaces 232 of the third and fourth terminals 233 and 234, respectively.

The insertion groove 235 may include fixing means (not shown) for fixing the spring pin 212 with an elastic force when the spring pin 212 of the light source unit 210 is inserted into the insertion groove 235 .

The third terminal 233 of the heat dissipator 230 has a cylindrical shape and protrudes above the placement surface 232. The fourth terminal 234 is formed in the third terminal 233, Respectively. At this time, the third and fourth terminals 333 and 334 have opposite polarities, and an insulator is formed in the middle.

The first and second terminals 213 and 214 of the light source unit 210 are coupled to the third and fourth terminals 233 and 234 of the heat dissipator body 230 when the light source unit 210 is coupled to the heat sink body 230. [ So that they are electrically connected.

The heat discharging body 230 includes a plurality of radiating fins 231 at an upper portion thereof. At this time, the radiating fin 231 may extend from the outer surface of the heat discharging body 230 or may be connected to the outer surface thereof.

The placement surface 232 formed on the upper surface of the heat discharging body 230 may be formed lower than the radiating fin 231 or may be formed to have the same height and have a flat surface.

The guide portion (refer to 116 in FIG. 5) of the light source unit 210 is brought into contact with the radiating fin 231 of the heat discharging body 230. Accordingly, the radiating fin 231 can dissipate heat transmitted through the contact with the guide portion and the terminal of the light source 210.

The inner case 240 is installed inside the lower part of the heat discharging body 230 and is coupled to the socket 250. A power control unit (not shown) for controlling the power of the light source unit 210 is housed in the inner case 240 through the heat sink 230 and the electrode terminals of the light source unit 210.

The socket 250 is coupled with the inner case 240 to supply power to the power control unit and support the lighting apparatus.

As described above, the light source separation type illuminating device according to the second embodiment is configured such that the light source part 210 and the circuit part (PSU) are coupled and separated by the spring pin coupling method, Can be efficiently used. In addition, the light source unit and the PSU can be manufactured and sold for each part, and the position of the electrode is not changed even when the light source unit 310 is coupled to the PSU.

Third Embodiment

FIGS. 8 and 9 are views of a light source separation type illumination apparatus according to a third embodiment, wherein FIG. 8 is an exploded perspective view as viewed from above and FIG. 9 is an exploded perspective view as viewed from below.

8 and 9, the light source separation type lighting apparatus of the third embodiment includes a light source unit 310, a cover 320, a heat sink 330, an inner case 340, and a socket 350 And the light source unit 310 and the heat discharger 330 are separated and coupled in a rotationally coupled manner.

That is, in the third embodiment, the first and second terminals 311 are protruded from the outer circumferential surface of the light source unit 310, and the first and second terminals 311 and 311 of the light source unit 310, A plurality of insertion grooves 334 and an engagement groove 335 for inserting and fixing the first and second terminals 311 and 311 are formed on the first and second terminals 311 and 315 of the light source unit 310, The third and fourth terminals (not shown) connected to the first and second terminals 311 and 311 are formed.

Like the first and second embodiments, the cover 320 has a shape of a bulb or a hemisphere, has a space formed therein, and has a bottom opened.

The cover 320 is installed on the light source module of the light source unit 310. At this time, the coupling of the cover 320 and the light source 310 may be combined through an adhesive, or may be combined in various ways such as a bolt fastening, a rotation coupling, and a hook coupling.

The light source 310 may include one or more light source modules (see 117 in FIG. 5) and a member (see 119 in FIG. 5). At this time, the light source module includes one or more light emitting devices (see 118 in FIG. 5).

The member includes a first arrangement (see 115 in FIG. 5), a second arrangement (see 112 in FIG. 5), and a guide (116 in FIG. 5). Here, the first arrangement section may be an upper surface of the member, and the second arrangement section may be a lower surface of the member. The first arrangement section and the second arrangement section can be distinguished by the guide section.

The light source module is disposed in the first arrangement portion. The first and second terminals 311 are protruded from the outer surface of the second arrangement portion. At this time, the first and second terminals 311 have a rectangular shape, and may be sequentially disposed on the outer circumferential surface or alternately arranged, and have opposite polarities.

The first and second terminals 311 are electrically connected to the light source module. The first and second terminals 311 are connected to the third and fourth terminals 331 and 332 of the heat sink 330 when the light source unit 310 and the heat sink 330 are coupled, .

As shown in FIG. 8, the heat dissipator 330 has a circular rim 333 at an upper portion thereof, and a placement surface 332 having a step with the circular rim 333 is formed on the inner side. At this time, a plurality of insertion grooves 334 for inserting the first and second terminals 331 of the light source unit 310 are formed in the circular rim 333. A locking groove 335 for fixing the first and second terminals 331 of the light source unit 310 inserted through the insertion groove 334 is integrally formed in the lower portion of the insertion groove 334 have. The latching groove 335 is provided with third and fourth terminals (not shown) connected to the first and second terminals 331 of the light source unit 310, respectively.

The insertion groove 334 is formed by vertically cutting the upper surface and the inner surface of the circular rim 333 to the placement surface 332 and the engagement groove 335 is formed in the lower portion of the insertion groove 334 As shown in Fig.

When the terminal 311 of the light source unit 310 is inserted into the insertion groove 334 of the heat discharging body 330 and then the terminal 311 is coupled to the latching groove 335, And the first and second terminals 311 of the light source unit 310 are electrically connected to each other. At this time, the rotation angle of the light source 310 is proportional to the size (length) of the latching groove 335. In the embodiment, the light source unit 310 has a rotation angle of 15 degrees.

A plurality of protrusions 336 are formed on the upper surface of the circular rim 333. The protrusion 336 enhances the binding force by increasing the frictional force when the light source unit 310 is rotationally coupled to the heat discharger 330.

The heat discharging body 330 includes a plurality of heat radiating fins 331 around the upper portion thereof. That is, the radiating fin 331 is integrally formed under the circular rim 333.

On the circular rim 333, a guide portion (refer to 116 in FIG. 5) of the light source unit 310 is contacted. Accordingly, the radiating fin 331 can dissipate heat transmitted through the contact with the guide portion and the terminal of the light source 310.

The inner case 340 is installed inside the lower portion of the heat discharging body 330, and is coupled to the socket 350. A power control unit (not shown) for controlling the power of the light source unit 310 is housed in the inner case 340 through the heat discharger 330 and the electrode terminals of the light source unit 310.

The socket 350 is coupled with the inner case 340 to supply power to the power control unit and support the lighting apparatus.

As described above, the light source separation type lighting apparatus according to the third embodiment is configured to couple and separate the light source unit 310 and the circuit unit (PSU) in a rotationally coupled manner, so that it is possible to replace each light source unit And can be used efficiently. In addition, the light source unit and the PSU can be manufactured and sold for each part, and the position of the electrode is not changed even when the light source unit 310 is coupled to the PSU.

The light source separation type illuminating device according to the present embodiment can solve the technical problem of the present invention by separating the light source unit and the PSU, which are integrally formed, and making it possible to replace each part.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood 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.

100: illumination device 110: light source
111: screw portion 112: second arrangement portion
113: first terminal 114: second terminal
115: first arrangement portion 116: guide portion
117: light source module 118: light emitting element
119: member 120: cover
130: heat sink 131: heat sink fin
132: placement surface 133: third terminal
134: fourth terminal 135:
140: inner case 150: socket
200: illumination device 210: light source
211: second arrangement portion 212: spring pin
213: first terminal 214: second terminal
220: cover 230: heat sink
231: heat sink fin 232:
233: third terminal 234: fourth terminal
235: insertion groove 240: inner case
250: Socket 300: Lighting device
310: light source 311: terminal
320: cover 330:
331: radiating fin 332:
333: Circular rim 334: Insert groove
335: Retaining groove 336:
340: inner case 350: socket

Claims (19)

A light source unit in which a light source module is disposed at an upper portion and first and second terminals are disposed at a lower center;
A cover provided on the light source module and coupled with the light source;
A heat dissipation member coupled to and separated from the light source unit and having third and fourth terminals connected to the first and second terminals of the light source unit at an upper center;
An inner case disposed inside the lower portion of the heat discharging body and containing a power control unit for controlling the power of the light source unit through the terminals of the heat discharging body and the light source unit; And
A socket installed below the inner case and supplying power to the power control unit; / RTI >

Wherein the light source unit includes a first arrangement unit in which the light source module is installed, a second arrangement unit in which first and second terminals protrude from an outer circumferential surface, and a guide unit formed between the first and second arrangement units,
Wherein the heat dissipating member has a circular rim at an upper portion thereof, a placement surface having a stepped portion with the circular rim is formed on the inner side, a plurality of insertion grooves for inserting the first and second terminals of the light source portion, And the third and fourth terminals connected to the first and second terminals of the light source unit are formed in the latching groove,
Light source separation type illumination device.
delete delete delete The method according to claim 1,
Wherein the first and second terminals of the light source unit have a rectangular shape and are arranged sequentially or alternately on the outer circumferential surface and have opposite polarities to each other.
The method according to claim 1,
Wherein the insertion groove of the heat discharging body is formed by cutting the upper surface and the inner surface of the circular rim vertically to the placement surface,
And the latching groove of the heat discharging body is formed in a lower portion of the insertion groove in one horizontal direction.
The method according to claim 1,
Wherein the circular rim has a plurality of projections on an upper surface thereof.
delete delete delete delete delete delete delete delete The method according to claim 1,
Wherein the light source unit and the heat sink are fastened in a rotationally coupled manner.
17. The method of claim 16,
Wherein the rotation coupling method has a rotation angle of 15 degrees.
The method according to claim 1,
Wherein the heat discharging body has a plurality of heat dissipating fins formed on an upper periphery thereof.
The method according to claim 1,
The light source unit and the cover may be coupled through an adhesive,
A light source separation type lighting device combined using a bolt fastening method, a screw coupling method, a rotation coupling method, and a hook coupling method.

Images