KR20140076789A

KR20140076789A - Modular lighting apparatus

Info

Publication number: KR20140076789A
Application number: KR1020120145226A
Authority: KR
Inventors: 정서용; 홍영근; 김남진
Original assignee: 엘지전자 주식회사
Priority date: 2012-12-13
Filing date: 2012-12-13
Publication date: 2014-06-23

Abstract

The present invention relates to a modular lighting device and, more specifically, to a modular lighting device capable of easily changing a beam angle and a light distribution type, having improved assembly performance, and reducing manufacturing costs by conveniently replacing an optical module. As described above, the modular device according to an embodiment of the present invention can easily change the beam angle and the light distribution type by conveniently changing the optical module.

Description

[0001] MODULAR LIGHTING APPARATUS [0002]

The present invention relates to a modular lighting apparatus, and more particularly, to a modular lighting apparatus capable of easily changing a beam angle and a light distribution type by easily replacing an optical module, having an improved assembling property, .

Generally, incandescent lamps, discharge lamps, and fluorescent lamps are mainly used as light sources for lighting, and they are used for various purposes such as home use, landscape use, and industrial use.

In particular, resistive light sources such as incandescent lamps have low efficiency and high heat generation problems. In the case of discharge lamps, there are problems such as high voltage and high voltage. In fluorescent lamps, environmental problems caused by mercury use can be mentioned.

In order to solve the disadvantages of such light sources, there is a growing interest in light emitting diodes (LEDs) having many advantages such as efficiency, color diversity, and design autonomy.

A light emitting diode is a semiconductor device that emits light when a voltage is applied in a forward direction. It has a long lifetime, low power consumption, electrical, optical and physical characteristics suitable for mass production, and is rapidly replacing incandescent bulbs and fluorescent lamps.

Meanwhile, the LED lighting device may have various beam angles and light distribution types according to the characteristics of the installed illumination space, and the beam angle and the light distribution type can be determined by the optical cap (Cap).

In order to manufacture various lighting apparatuses having various beam angles and light distribution types, a separate lineup corresponding to the number of product groups is required. Accordingly, there arises a problem that manufacturing facilities and manufacturing costs for manufacturing the lighting apparatus are increased.

Further, there arises a problem that the user has to replace the entire lighting apparatus in order to change the light distribution characteristics of the lighting apparatus in accordance with the characteristics of the illumination space.

SUMMARY OF THE INVENTION The present invention provides a modular lighting device capable of easily changing a beam angle and a light distribution type by simply replacing an optical module.

It is another object of the present invention to provide a modular lighting device capable of freely changing the light distribution in accordance with the characteristics of an illumination space.

It is another object of the present invention to provide a modular lighting device capable of easily changing an optical module so as to conform to various product families of standard specifications.

It is another object of the present invention to provide a modular lighting device capable of improving the assemblability through several modules capable of common design.

It is another object of the present invention to provide a modular lighting apparatus that can satisfy the specifications of a plurality of product groups by utilizing a small number of modules.

It is another object of the present invention to provide a modular lighting device capable of reducing the manufacturing cost and simplifying the manufacturing facility.

According to an aspect of the present invention, there is provided a light emitting module comprising: a heat sink having one end portion positioned opposite to the other end portion; a light emitting module disposed at one end portion of the heat sink; There is provided a modular lighting apparatus including a power module disposed at an end portion and a plurality of optical modules provided at one end of the heat sink and having different beam angles.

The heat sink is provided with a first mounting portion for selectively coupling with any one of the plurality of optical modules according to a required beam angle.

Further, each optical module includes a second mounting portion mounted on the first mounting portion of the heat sink, and the second mounting portions of the respective optical modules may have the same diameter.

The optical module may include at least one of a lens unit having a beam angle of 15 to 30 degrees and a bulb having a beam angle of 50 degrees or more.

The bulb may be provided with a reflecting member for reflecting the light emitted from the light emitting module toward the heat sink.

The first mounting portion of the heat sink may be provided with a groove portion, and the second mounting portion of each optical module may be provided with a protrusion to be mounted on the groove portion.

In addition, a first helical portion is provided on the second mounting portion of each optical module, and a second helical portion for helical coupling with the first helical portion may be provided on the first mounting portion of the heat sink.

According to another aspect of the present invention, there is provided a light emitting module including: a light emitting module including a substrate and LEDs mounted on the substrate; a power module for supplying power to the light emitting module; And a plurality of optical modules surrounding the light emitting module and selectively mounted at one end of the heat sink.

Wherein each optical module has a different beam angle, and each optical module has the same diameter as the mounting portion mounted on the heat sink.

In addition, the optical module may include at least one of a lens unit and a bulb.

Further, each optical module can be detachably mounted on the heat sink.

According to another aspect of the present invention, there is provided a light emitting module including: a light emitting module including a substrate and LEDs mounted on the substrate; a power module for supplying power to the light emitting module; And a lens unit for surrounding the light emitting module and detachably mounted at one end of the heat sink, and a lens unit surrounding the light emitting module and detachably attached to one end of the heat sink Wherein at least two of the second bulbs for detachably attaching to one end of the heat sink are provided in the first bulb and the second bulb for reflecting light emitted from the light emitting module toward the heat sink side, A modular illumination device including an optical module including the optical module is provided.

Wherein the lens unit, the first bulb, and the second bulb have the same diameter as the mounting portions mounted on the heat sink.

As described above, according to the modular lighting apparatus according to one embodiment of the present invention, it is possible to easily change the beam angle and the light distribution type by simply replacing the optical module.

Further, according to the modular lighting apparatus according to one embodiment of the present invention, the user can freely switch the light distribution direction to match the characteristics of the illumination space.

Further, according to the modular lighting apparatus relating to an embodiment of the present invention, the optical module can be easily changed to conform to various product families of standard specifications.

Further, according to the modular lighting apparatus according to one embodiment of the present invention, the assemblability can be improved through several modules capable of common design.

Further, according to the modular lighting apparatus according to one embodiment of the present invention, a small number of modules can be utilized to satisfy specifications of a plurality of product groups.

Further, according to the modular lighting apparatus relating to one embodiment of the present invention, the manufacturing cost can be reduced and the manufacturing facility can be simplified.

1 to 3 are exploded perspective views of a modular lighting apparatus according to an embodiment of the present invention.
Figs. 4A to 4D are views for explaining the modular lighting apparatus shown in Fig. 2 (a). Fig.
FIGS. 5A to 5D are views for explaining the modular lighting apparatus shown in FIG. 2B. FIG.
6A to 6D are views for explaining the modular lighting apparatus shown in FIG. 2C. FIG.

Hereinafter, a modular lighting apparatus according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. The accompanying drawings illustrate exemplary embodiments of the present invention and are provided to illustrate the present invention more specifically.

In addition, the same or corresponding components are denoted by the same reference numerals regardless of the reference numerals, and redundant description thereof will be omitted. For convenience of explanation, the size and shape of each constituent member shown may be exaggerated or reduced have.

On the other hand, terms including an ordinal number such as a first or a second may be used to describe various elements, but the constituent elements are not limited by the terms, and the terms may refer to a constituent element from another constituent element It is used only for the purpose of discrimination.

The present invention can easily change the beam angle and the light distribution type by easily replacing the optical module, and can freely switch the light distribution according to the characteristic of the illumination space, and the optical module A modular lighting device which can be easily changed is provided.

According to an aspect of the present invention, there is provided a light emitting module, including: a heat sink having another end portion positioned opposite to the one end portion; a light emitting module disposed at one end of the heat sink; There is provided a modular lighting apparatus including a power module and a plurality of optical modules provided at one end of the heat sink and having different beam angles.

According to another aspect of the present invention, there is provided a light emitting module including: a light emitting module including a substrate and LEDs mounted on the substrate; a power module for supplying power to the light emitting module; There is provided a modular lighting apparatus including a heat sink having another end portion to which the module is mounted and a plurality of optical modules surrounding the light emitting module and selectively mounted at one end of the heat sink.

Further, each optical module can be detachably mounted on the heat sink.

Hereinafter, a modular lighting apparatus 100 according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 to 3 are exploded perspective views of a modular lighting device 100 according to an embodiment of the present invention.

Referring to FIG. 1, a modular lighting apparatus 100 according to an exemplary embodiment of the present invention includes a light emitting module 110, a heat sink 130, a power module 120, and an optical module 140.

The light emitting module 110 includes a substrate 111 and an LED 112 mounted on the substrate 111. The plurality of LEDs 112 may be provided on the substrate 111.

The heat sink 130 functions to dissipate the heat generated from the light emitting module 110 to the outside, and the heat sink 130 may be formed of a metal material or a resin material having excellent thermal conductivity.

In addition, the heat sink 130 may be provided with a plurality of radiating fins for increasing the heat exchange area with the outside air.

The heat sink 130 may have a substantially cylindrical shape extending in the lengthwise direction and the heat sink 130 may include one end 131 on which the light emitting module 110 is mounted and the power module 120 And has another end portion 132 to be mounted. The first mounting portion is provided at one end 131 of the heat sink 130.

In addition, a hollow portion for inserting the power module 120 may be provided in the heat sink 130.

The power module 120 supplies power to the light emitting module 110. Specifically, the power module 120 includes an electric part 121 electrically connected to the light emitting module 110, And a power socket 123 which is mounted on the housing 122 and is electrically connected to the front portion 121. The power socket 123 is connected to the power socket 123, Base).

The housing 122 functions to insulate the electrical connector 121 from the heat sink 130. For this purpose, the housing 122 may be formed of a resin material. The housing 122 surrounds the electrical part 121 and is inserted into the heat sink 130. The electrical part 121 is electrically connected to the light emitting module 110 through a cable or a flexible circuit board, Can be connected.

The optical module 140 diffuses the light emitted from the LED 112 or guides the light emitted from the LED 112 to a specific region, The optical module 140 may be a lens unit 140. The optical module 140 may be a lens unit.

As described above, the modular lighting apparatus 100 includes the light emitting module 110, the heat sink 130, the power module 120, and the optical module 140, have.

Here, the modules 110, 120, 130, and 140 may be detachably coupled to each other to improve ease of assembly, may be fixed or fixed by separate fastening means such as screws, A spiral portion may be formed on each of the two modules to be coupled and may be helically joined or a hook portion may be provided on each of the protruding portion and the groove portion.

1 to 3, a modular lighting apparatus 100 according to an embodiment of the present invention includes a light emitting module 110 including a substrate 111 and LEDs 112 mounted on the substrate 111, A power supply module 120 for supplying power to the light emitting module 110, an end part 131 for mounting the light emitting module 110 and another end part 132 for mounting the power module 120, And a plurality of optical modules 140, 240 and 340 surrounding the light emitting module 110 and selectively mounted on one end 131 of the heat sink 130. The heat sink 130 includes a plurality of optical modules 140,

Each of the optical modules 140, 240, and 340 has a different beam angle, and each of the optical modules 140, 240, and 340 has mounting portions 141, 241, and 341 Are equal to each other.

The heat sink 130 is provided with a first mounting portion 131a for mating with any one of the mounting portions 141, 241, and 341 of the optical modules 140, 240, and 340. The mounting portion of the heat sink 130 is referred to as a first mounting portion 131a and the mounting portion of the optical modules is referred to as a second mounting portion 141, 241, and 341. [

The optical module may include at least one of a lens unit 140 and bulbs 240 and 340. The bulb 340 may receive light emitted from the light emitting module 110 through a heat sink 130, A reflective member 350 may be provided to reflect the light reflected by the reflective surface.

For convenience of explanation, the lens unit 140 will be referred to as a first optical module, the bulb 240 will be referred to as a second optical module, and the light emitted from the light emitting module 110 will be referred to as a heat sink 130 The bulb 340 provided with the reflecting member 350 is referred to as a third optical module. The bulb 240 not provided with the reflecting member 350 is referred to as a first bullet and the bulb 340 provided with the reflecting member 350 is referred to as a second bulb.

Here, the lens unit 140, the first bulb 240, and the second bulb 340 have different beam angles so as to match the light distribution characteristics of various illumination spaces. That is, the lens unit 140, the first bulb 240, and the second bulb 340 have different light distribution types.

In one embodiment, the lens unit 140 may have a beam angle of 15 to 30 degrees, the first bulb 240 may have a beam angle of 150 degrees or greater, May have a beam angle of 270 DEG or more.

The mounting portions 141, 241, and 341 mounted on the heat sink 130 are formed to have the same diameter as the optical modules 140, 240, and 340, respectively.

Therefore, according to the modular lighting device 100 related to an embodiment of the present invention, the optical module 140, 240, 340 can be easily replaced to easily change the beam angle and the light distribution type, It is possible to freely switch the light distribution direction by replacing the optical modules 140, 240, and 340 in accordance with the characteristics of the light source.

For this purpose, the optical modules 140, 240, and 340 are preferably detachably mounted on the heat sink. In one embodiment, protrusions are provided on the mounting portions 141, 241, and 341 (second mounting portions) of the optical modules 140, 240, and 340, and the heat sink 130 is provided with a groove into which the protrusions are inserted It is possible.

A first spiral portion is provided on the mounting portions 141, 241 and 341 of the optical modules 140, 240 and 340 and a first mounting portion of the heat sink 130 is provided with a first spiral portion A second helical portion may be provided.

The light emitting module 110 and the heat sink 130 and the power module 120 are shared and the optical modules 140, 240 and 340 having the required beam angles are selectively mounted on the heat sink, A modular lighting apparatus 100 having an angle can be manufactured.

When a light emitting module 110, a heat sink 130, a power module 120, and a plurality of optical modules 140, 240, and 340 are manufactured and sold as a set 1000 (see FIG. 3) It is possible to easily change the beam angle and the light distribution type by simply replacing the optical modules 140, 240, and 340 without purchasing a plurality of modular lighting devices matching the light distribution characteristics of the illumination space, The light distribution can be freely switched by replacing the optical modules 140, 240, and 340 in accordance with the characteristics.

In addition, the seller does not need to provide a separate lineup for manufacturing illumination apparatuses having different beam angles, can reduce the manufacturing cost, and can simplify the manufacturing facility.

In the case of the modular lighting device set, a light emitting module 110 including a substrate 111 and an LED 112 mounted on the substrate 111, and a power module 110 for supplying power to the light emitting module 110 A heat sink 130 having one end 131 on which the light emitting module 110 is mounted and another end 132 on which the power module 120 is mounted and the light emitting module 110, A lens unit 140 enclosing the light emitting module 110 and detachably mounted on the one end 131 of the heat sink 130 and surrounding the light emitting module 110 and having a first end 131 of the heat sink 131, And a reflective member 350 for reflecting the light emitted from the light emitting module 110 toward the heat sink 130. The heat sink 130 is provided with a first bulb 240 for detachably mounting the heat sink 130, And an optical module including at least two or more of the second bulbs 240 for detachably attaching to the one end portion 131 .

Hereinafter, a modular lighting apparatus 100 capable of freely changing a beam angle through three kinds of optical modules will be described in detail with reference to the accompanying drawings.

Figs. 4A to 4D are views for explaining the modular lighting apparatus 100 shown in Fig. 2A.

4A, when the optical module is a lens unit 140, the modular illuminator 100 may be a PAR type illuminator, and may be a lamp that is defined by the American National Standards Institute (ANSI) The shape standard of a specific product family can be satisfied.

The lens unit 140 may be detachably mounted on the heat sink 130.

4b, a protrusion 141a is provided on the mounting portion 141 of the lens unit 140 and a groove 131a on which the protrusion 141a is inserted may be provided on the heat sink 130 .

Alternatively, the mounting portion 141 of the lens unit 140 may be provided with a first helical portion, and the heat sink 130 may be provided with a second helical portion for helical coupling with the first helical portion.

Also, the lens unit 140 may be provided with a condenser lens 142 for guiding the emitting direction of the light emitted from the LED 13.

Also, referring to FIG. 4D, the lens unit 140 may have a beam angle of 15 to 30 degrees.

FIGS. 5A to 5D are views for explaining the modular lighting apparatus 100 shown in FIG. 2B.

Referring to FIG. 2 (b), when the optical module is the first bulb 240, the modular illuminator 100 may be a Bulb type illuminator and may be an American National Standards Institute The specification criterion of the specific product group defined in < RTI ID = 0.0 >

The first bulb 240 may be detachably mounted on the heat sink 130.

5b, the mounting portion 241 of the first bulb 240 is provided with a protrusion 241a, and the heat sink 130 is provided with a groove portion 131a into which the protrusion 241a is inserted have.

Alternatively, the first spiral portion may be provided on the mounting portion 241 of the first bulb 240, and the second spiral portion may be provided on the heat sink 130 to be spirally engaged with the first spiral portion.

Also, referring to FIG. 5D, the first bulb 240 may have a beam angle of 150 DEG or more.

6A to 6D are views for explaining the modular lighting apparatus 100 shown in FIG. 2C.

Referring to FIG. 2C, when the optical module is the second bulb 340, the modular illuminator 100 may be a Bulb type illuminator and may be an American National Standards Institute (ANSI) The specification criterion of the specific product group defined in < RTI ID = 0.0 >

The second bulb 340 may be detachably mounted on the heat sink 130.

The second bulb 340 is provided with an opening 342 and the second bulb 340 is provided with a reflective member 350 for reflecting the light emitted from the light emitting module 110 toward the heat sink 130 May be provided. The reflective member 350 may be mounted on the opening 342 and the reflective member 350 may be removably mounted on the opening 342.

6A, the reflective member 350 functions to increase the light distribution area of the modular illuminator 100, and may contribute to realizing omnidirectional light distribution of the modular illuminator 100 .

The term "omnidirectional light distribution" means a technique in which a luminous flux of at least 5% is ensured at a light distribution angle of 135 ° or more and an average luminous flux deviation is realized within 20% at a light distribution angle between 0 ° and 135 °. The modular lighting apparatus 100 according to an embodiment of the present invention may have a structure in which omni-directional light distribution is realized by the reflective member 350. [

6B, the mounting portion 341 of the second bulb 340 is provided with a protrusion 341a, and the heat sink 130 may be provided with a groove portion 131a into which the protrusion 341a is inserted have.

Alternatively, a first spiral portion may be provided on the mounting portion 341 of the second bulb 340, and a second spiral portion may be provided on the heat sink 130 to be spirally engaged with the first spiral portion.

Further, referring to FIG. 6D, the second bulb 340 may have a beam angle of 270 DEG or more.

As described above, it is possible to change the beam angle and the light distribution characteristics of the modular lighting apparatus 100 by replacing the optical module, and it is also possible to change the shape standards of different product groups defined by the American National Standards Institute (ANSI) It may be satisfied.

The foregoing description of the preferred embodiments of the present invention has been presented for purposes of illustration and various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention, And additions should be considered as falling within the scope of the following claims.

100: Lighting device
110: Light emitting module
120: Power module
130: Heatsink
140: lens unit
240: 1st bulb
340: second bulb

Claims

A heat sink having another end portion positioned opposite to the one end portion;
A light emitting module disposed at one end of the heat sink;
A power module disposed at the other end of the heat sink; And
A plurality of optical modules provided at one end of the heat sink and having different beam angles,
The heat sink is provided with a first mounting portion for selectively coupling with any one of the plurality of optical modules according to a required beam angle,
Wherein the optical modules are detachably mounted on the first mounting portion of the heat sink.

The method according to claim 1,
Each optical module including a second mounting portion mounted on the first mounting portion of the heat sink,
And the second mounting portions of the respective optical modules have the same diameter.

3. The method according to claim 1 or 2,
Wherein the optical module comprises at least one of a lens unit having a beam angle of 15 to 30 degrees and a bulb having a beam angle of 50 degrees or more.

The method of claim 3,
Wherein the bulb is provided with a reflecting member for reflecting the light emitted from the light emitting module toward the heat sink.

3. The method of claim 2,
A groove is formed in the first mounting portion of the heat sink,
And the second mounting portion of each optical module is provided with a protrusion mounted on the groove portion.

3. The method of claim 2,
A first helical portion is provided on the second mounting portion of each optical module,
Wherein the first mounting portion of the heat sink is provided with a second helical portion for helical engagement with the first helical portion.

5. The method of claim 4,
Wherein the bulb has a beam angle of 270 DEG or more.

A light emitting module including a substrate and an LED mounted on the substrate;
A power module for supplying power to the light emitting module;
A heat sink having one end portion to which the light emitting module is mounted and another end portion to which the power module is mounted; And
A lens unit for surrounding the light emitting module and detachably mounted on one end of the heat sink, a first bulb for surrounding the light emitting module and detachably mounted on one end of the heat sink, And a second bulb for detachably mounting at one end of the heat sink, the optical module including a reflection member for reflecting the light irradiated from the heat sink to the heat sink side,
Wherein the lens unit, the first bulb, and the second bulb have the same diameter as the mounting portions mounted on the heat sink.

9. The method of claim 8,
Wherein the beam angle of the modular lighting apparatus is changed as the lens unit, the first bulb or the second bulb is selectively mounted on the heicink.

A light emitting module including a substrate and an LED mounted on the substrate;
A power module for supplying power to the light emitting module;
A heat sink having one end portion to which the light emitting module is mounted and another end portion to which the power module is mounted; And
And a plurality of optical modules surrounding the light emitting module and selectively mounted at one end of the heat sink,
Each optical module has a different beam angle,
And each of the optical modules has the same diameter as the mounting portions mounted on the heat sink.

11. The method of claim 10,
The mounting portion of each optical module is provided with a projection,
Wherein the heat sink is provided with a groove portion into which the projection is inserted.

11. The method of claim 10,
A first spiral portion is provided on a mounting portion of each optical module,
Wherein the heat sink is provided with a second spiral portion for spirally coupling with the first spiral portion.