KR20140049215A

KR20140049215A - Light emitting diode module and led lighting system including the same

Info

Publication number: KR20140049215A
Application number: KR1020120115149A
Authority: KR
Inventors: 이성구; 김대현; 변성환
Original assignee: (주)우신에이펙
Priority date: 2012-10-17
Filing date: 2012-10-17
Publication date: 2014-04-25

Abstract

The present invention relates to an LED module capable of selectively lighting a plurality of lighting areas and improving heat radiation performance by a simple structure. The LED module having a plurality of LEDs comprises a heat radiation member which includes a first horizontal part and a second horizontal part that are located to be spaced from each other, and a triangle shape part having a first inclination surface and a second inclination surface that are extended to be inclined against the respective horizontal parts at a certain angle between the first horizontal part and the second horizontal part, and which is made of a thermal conductive material; a first lighting part which is mounted on the first inclination surface, includes a plurality of LEDs and radiates light toward the first lighting area; a second lighting part which is mounted on the second inclination surface, includes the LEDs and radiates the light toward the second lighting area; and a control part for controlling the operations of the first lighting part and the second lighting part, wherein the control part selectively operates at least either or both of the first lighting part and the second lighting part.

Description

LED module and LED lighting system including the same {Light Emitting Diode Module and LED lighting system including the same}

The present invention relates to an LED module and an LED lighting system including the same, and to an LED module and an LED lighting system including the same, which can selectively illuminate a plurality of lighting regions with a simple structure and improve heat dissipation performance.

Traditionally, incandescent lamps, halogen lamps, and discharge lamps have been widely used as lighting devices. 2. Description of the Related Art In recent years, an illumination device using an LED (Light Emitting Diode) has received attention. An LED lighting device uses an LED device as a light source. The LED device is a device for generating a small number of injected carriers by using a P-N junction structure of a semiconductor, and then emitting light by recombination of the minority carriers. The emission wavelength of the LED device is different depending on the kind of impurities to be added, and accordingly, red, blue, and yellow colors can be produced. Such an LED lighting apparatus is smaller than a light source such as an incandescent lamp or a halogen lamp, has a long life, is efficient, and has a high-speed response.

However, the LED lighting apparatus according to the prior art has a problem in that the lighting direction is fixed to one after the installation, and only one preset lighting area is illuminated. In order to illuminate a plurality of lighting areas in various directions of illumination with the LED lighting apparatus according to the prior art, a separate rotating device for rotating the LED lighting apparatus must be provided, which causes problems of increased installation cost and increased installation space. Has come.

In addition, the LED lighting apparatus according to the prior art generally includes a lens unit, LED module, AC-DC power supply. In particular, the LED lighting device according to the prior art converts the external power of the power source (generally 220 V AC power) into direct current power (typically 3 V DC voltage across the LED module) for driving the LED module, The LED module is generally heated up to about 70 ° C to 75 ° C due to the heat generated by the AC-DC power supply unit, and thus the heat generated by the LED module The life of the AC-DC power supply device is reduced.

Accordingly, an object of the present invention is to provide an LED module and an LED lighting system including the same that can solve the problems of the prior art.

Specifically, it is an object of the present invention to provide an LED module and a LED lighting system including the same that can selectively illuminate a plurality of lighting areas with a simple structure.

In addition, another object of the present invention to provide an LED module and a LED lighting system including the same to improve the heat dissipation performance.

According to an embodiment of the present invention, the present invention provides an LED module including a plurality of LED elements, the first horizontal portion and the second horizontal portion spaced apart from each other, the first horizontal portion and the second horizontal portion A heat dissipation member comprising a triangular shape having a first inclined surface and a second inclined surface inclined at a predetermined angle with respect to each of the horizontal portions between the portions, and comprising a heat conductive material; A first lighting unit mounted on the first inclined surface and including a plurality of LED elements and radiating light toward a first lighting area; A second lighting unit mounted on the second inclined surface and including a plurality of LED elements, and configured to irradiate light toward a second lighting area; And a controller for controlling the operation of the first lighting unit and the second lighting unit, wherein the controller selectively operates at least one lighting unit among the first lighting unit and the second lighting unit. can do.

In addition, preferably, the first lighting unit is a first printed circuit board to which the plurality of LED elements are electrically connected and the control unit is mounted, and a first printed circuit board to supply power to the first printed circuit board and the LED elements. A second printed circuit board including a power supply unit, and a second printed circuit board to which the plurality of LED devices are electrically connected and to which the control unit is mounted, and to supply power to the second printed circuit board and the LED device. It characterized in that it comprises a power supply.

Further, preferably, the first printed circuit board and the first power supply unit are positioned at a predetermined interval apart from the first inclined surface, and the second printed circuit board and the second power supply unit are predetermined on the second inclined surface. Characterized in that spaced apart.

In addition, the first printed circuit board and the upper surface of the second printed circuit board is provided with a reflecting plate, characterized in that the plurality of LED elements are located above the reflecting plate.

In addition, preferably, further comprising a diffusion member for diffusing light emitted from at least one or more of the first lighting unit and the second lighting unit to the illumination area.

In addition, preferably, the diffusion member may include a first diffusion part located above the first inclined plane and the first plane part, a second diffusion part located above the second inclined plane and the second plane part; And a connection part integrally connecting the first diffusion part and the second diffusion part.

In addition, preferably, the first lighting unit is a first printed circuit board to which the plurality of LED elements are electrically connected and the control unit is mounted, and a first printed circuit board to supply power to the first printed circuit board and the LED elements. A second printed circuit board including a power supply unit, and a second printed circuit board to which the plurality of LED devices are electrically connected and to which the control unit is mounted, and to supply power to the second printed circuit board and the LED device. And a power supply unit, wherein the first diffusion unit includes two grooves spaced apart from each other to receive the first printed circuit board and the first power supply unit, respectively, and the second diffusion unit includes the first printed circuit board. And two groove parts accommodating the first power supply part and spaced apart from each other.

In addition, preferably, the triangular shaped portion is composed of a solid member, wherein the first horizontal portion and the second horizontal portion is characterized in that extending from the lower end of both sides of the solid member, respectively.

In addition, preferably, the triangular shape portion includes a first plate-like member extending inclined at a predetermined angle from the first horizontal portion, and a second plate-shaped member extending inclined at a predetermined angle from the second horizontal portion, wherein the first plate-shaped The member and the second plate-shaped member are characterized in that for forming a triangular-shaped ventilation passage between the first plate-like member and the second plate-shaped member.

In addition, preferably, the triangular shape portion includes a first plate-like member extending inclined at a predetermined angle from the first horizontal portion, and a second plate-shaped member extending inclined at a predetermined angle from the second horizontal portion, wherein the first plate-shaped When the member and the second plate-shaped member is from the lower surface of the first plate-shaped member and the lower surface of the second plate-shaped member to a horizontal plane including the first horizontal portion and the second horizontal portion or penetrates the horizontal plane Characterized by having a plurality of heat radiation fins extending to.

Preferably, the control unit may gradually adjust the illuminance of the first and second lighting units by performing pulse width modulation on the first and second lighting units.

According to another embodiment of the present invention, the present invention relates to an LED lighting system, comprising: a first lighting unit positioned at a first inclination angle to irradiate light toward a first lighting area, and a first inclination angle and a first inclination angle; A plurality of LED modules positioned at a second inclination angle and including a second lighting unit for irradiating light toward a second lighting area different from the first lighting area; Sensing unit for detecting the state information of the interior and exterior of the lighting space is installed the LED lighting system; And a control module controlling the plurality of LED modules based on state information of the inside and outside of the lighting space sensed by the sensing unit.

Preferably, in the present invention, the sensing unit is installed in each of the first lighting area and the second lighting area on both sides of the LED module, the presence or absence of occupants present in the first lighting area and the second lighting area. Characterized in that it comprises a plurality of human body sensor for detecting.

In addition, preferably, the control module may include the first lighting unit and the first lighting unit so that light is irradiated to an illumination area of the first lighting area and the second lighting area, through which the occupant is present, through the human body sensor. And controlling the first lighting unit and the second lighting unit to operate at least one lighting unit of the second lighting unit.

Preferably, the sensing unit may include a plurality of illuminance sensors mounted on each of the plurality of skylights provided in the lighting space in which the LED lighting system is installed to determine a region in which the light reaches the lighting space. do.

In addition, preferably, the control module may include the first lighting unit and the second lighting unit so that light is irradiated from the first lighting region and the second lighting region to an illumination region through which light does not reach through the illumination sensor. And controlling the first lighting unit and the second lighting unit to operate at least one of the lighting units.

According to the above-mentioned problem solving means, the present invention has the effect of selectively illuminating a plurality of illumination area with a simple structure. Therefore, the present invention can improve the ease of use of the user or the occupants in the lighting space at a low manufacturing cost.

In addition, the present invention can improve the heat dissipation performance in the LED module. Because of this, the present invention can improve the life of the LED module and the LED lighting system.

1 is a schematic perspective view of an LED module according to a first embodiment of the present invention.
2 is a schematic exploded perspective view of an LED module according to a first embodiment of the present invention.
3 is a schematic perspective view of an LED module according to a second embodiment of the present invention.
4 is a schematic exploded perspective view of an LED module according to a second embodiment of the present invention.
5 is a schematic perspective view of an LED module according to a third embodiment of the present invention.
6 is a schematic exploded perspective view of an LED module according to a third embodiment of the present invention.
7 is a schematic perspective view of an LED module according to a fourth embodiment of the present invention.
8 is a schematic exploded perspective view of an LED module according to a fourth embodiment of the present invention.
9 is a schematic block diagram of an LED lighting system according to the present invention.
10 is a schematic perspective view of an LED lighting system according to the present invention.
11A to 11C are schematic views of an operating state of the LED lighting system according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments described herein but may be embodied in other forms. Rather, the embodiments disclosed herein are provided so that the disclosure can be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Like reference numerals designate like elements throughout the specification.

1 is a schematic perspective view of the LED module 1000 according to the first embodiment of the present invention, Figure 2 is a schematic exploded perspective view of the LED module 1000 according to the first embodiment of the present invention.

As shown in FIG. 1 and FIG. 2, the LED module 1000 according to the first embodiment of the present invention is located on a diffusion member 100 having a shape similar to a triangle and on an inner side surface of the diffusion member 100. In the first lighting unit 210 and the second lighting unit 220, the first lighting unit 210 and the second lighting unit 220 when the operation of the first lighting unit 210 and the second lighting unit 220 Controls the heat dissipation member 300 for discharging the generated heat to the outside, a casing member to prevent the heat dissipation member 300 from being exposed to the outside, and the first lighting unit 210 and the second lighting unit 220. It includes a control unit.

1 and 2, the heat dissipation member 300 may include a first horizontal portion 310 and a second horizontal portion 320 and the first horizontal portion 310 and the second horizontal portion spaced apart from each other. It includes a triangular shape 330 having a first inclined surface 331 and a second inclined surface 332 extending inclined at a predetermined angle with respect to each of the horizontal portion between the horizontal portion 320.

The first horizontal portion 310 and the second horizontal portion 320 are portions to which the casing member and the diffusion member 100 are fixed and coupled, and at the same time increase the heat dissipation area of the heat dissipation member 300.

In this embodiment, the triangular shape portion 330 is composed of a solid member. In addition, the first inclined surface 331 and the second inclined surface 332 of the triangular shape portion 330 are located at positions corresponding to both sides adjacent to the triangle.

At this time, the first horizontal portion 310 and the second horizontal portion 320 is configured to extend in the horizontal direction from the lower end of both sides of the triangular shape portion 330 composed of the solid member, respectively.

For this reason, in the present embodiment, the heat dissipation surface of the heat dissipation member 300 includes a bottom surface of the triangular shape portion 330, a bottom surface of the first horizontal portion 310, and a bottom surface of the second horizontal portion 320. The heat dissipation area may be increased due to the first horizontal part 310 and the second horizontal part 320. In addition, by configuring one common heat dissipation member 300 instead of two separate heat dissipation members 300 with respect to the first and second lighting units, it is possible to reduce the material consumption constituting the heat dissipation member 300. The structure of the LED module 1000 having two lighting units may be simplified.

In addition, the heat dissipation member 300 is made of a material having excellent thermal conductivity such as copper or aluminum or aluminum alloy.

The first lighting unit 210 is mounted on the first inclined surface 331 of the heat dissipation member 300, includes a plurality of LED elements L, and irradiates light toward the first lighting area LA1. Here, the first illumination area LA1 may mean, for example, one area of the right area or the left area of the illumination space.

The first lighting unit 210 includes a first printed circuit board 211 to which the plurality of LED elements L are electrically connected and the control unit is mounted, the first printed circuit board 211 and the LED element ( And a first power supply unit 215 for supplying power to L). In this case, the first printed circuit board 211 and the first power supply unit 215 are electrically connected.

The first power supply unit 215 may include an AC-DC converter that converts AC power supplied from a power supply source (for example, KEPCO) into DC power.

The first printed circuit board 211 and the first power supply 215 are spaced apart from the first inclined surface 331 by a predetermined interval. This spatially separates the LED element L from the first power supply 215 having a large amount of heat, thereby reducing the influence of heat generated from the first power supply 215 by the LED element L. ) To improve the lifespan.

Preferably, the upper surface of the first printed circuit board 211 is provided with a reflecting plate 213, the plurality of LED elements (L) may be located above the reflecting plate (213). Therefore, the light emitted from the side of the LED element (L) can be reflected to the front to improve the luminous efficiency of the LED element (L).

The second lighting unit 220 is mounted on the second inclined surface 332 of the heat dissipation member 300, includes a plurality of LED elements L, and irradiates light toward the second lighting area LA2. Here, the second illumination area LA2 may mean, for example, an area different from the first illumination area LA1 as one of the right area or the left area of the illumination space.

The second lighting unit 220 includes a second printed circuit board 221 to which the plurality of LED elements L are electrically connected, and to which the control unit is mounted, the second printed circuit board 221, and the LED elements. A second power supply unit 225 for supplying power is included.

The second power supply unit 225 may include an AC-DC converter that converts AC power supplied from a power supply source (for example, KEPCO) into DC power.

The second printed circuit board 221 and the second power supply unit 225 are positioned at a predetermined interval from the second inclined surface 332. This is to improve the life of the LED device by spatially separating the LED device from the second power supply 225 having a large amount of heat generation, thereby reducing the effect of heat generated by the LED device from the second power supply 225.

Preferably, the upper surface of the second printed circuit board 221 is provided with a reflecting plate 223, the plurality of LED elements may be located above the reflecting plate 223. Thus, the light emitted from the side of the LED element can be reflected to the front, thereby improving the luminous efficiency of the LED element.

The diffusing member 100 diffuses the light emitted from at least one of the first and second lighting units 210 and 220 into the illumination region. For this purpose, the diffusion member 100 is a light transmitting material or light. It is composed of semipermeable material. Using the diffusion member 100, the first illumination region of the first illumination unit 210 and the second illumination region LA2 of the second illumination unit 220 may form an overlapping region, and thus, the first illumination unit When operating the 210 and the second lighting unit 220 at the same time, the light may be irradiated not only to the first lighting area LA1 and the second lighting area LA2 but also to an area between the first lighting area and the second lighting area. It can illuminate the whole lighting space.

The diffusion member 100 may include a first diffusion part 110 positioned above the first inclined surface 331 and the first flat part when the diffusion member 100 is coupled to the heat dissipation member 300; When the diffusion member 100 is coupled to the heat dissipation member 300, the second diffusion part 120 and the first diffusion part 110 positioned on the second inclined surface 332 and the second flat part. And a connection part 130 which integrally connects the second diffusion part 120.

1 and 2, the light exit surface of the first diffusion part 110 and the light exit surface of the second diffusion part 120 are formed in a plane. Although not shown in the drawings, the light exit surface of the first diffuser 110 and the light exit surface of the second diffuser 120 may be configured in a convex lens shape. However, this is an exemplification and the present invention is not limited thereto.

The first diffuser 110 includes two grooves 111a and 111b spaced apart from each other, and the two grooves 111a and 111b respectively include the first printed circuit board 211 and the first groove. The power supply unit 215 is accommodated. As a result, the first printed circuit board 211 and the first power supply unit 215 can be completely separated from each other in space, whereby heat generated in the first power supply unit 215 is transmitted to the first printed circuit board. It can surely be prevented from passing to 211.

Like the first diffuser 110, the second diffuser 120 includes two grooves 121a and 121b which are spaced apart from each other, and the two grooves 121a and 121b are each printed with the second print. The circuit board 221 and the second power supply unit 225 are accommodated. As a result, the second printed circuit board 221 and the second power supply unit 225 may be completely separated from each other in space, and thus heat generated from the second power supply unit 225 may be separated from the second printed circuit board. It can surely be prevented from passing to 221.

The controller may be configured as a control circuit, and the controller is mounted on one printed circuit board of the first printed circuit board 211 and the second printed circuit board 221, wherein the controller is the first printed circuit. It is configured to be electrically connected to both the circuit board 211 and the second printed circuit board 221.

The controller controls the operation of the first lighting unit 210 and the second lighting unit 220. In particular, in the present invention, the control unit selectively operates at least one or more lighting units of the first lighting unit 210 and the second lighting unit 220. That is, the controller drives only the first lighting unit 210 or only the second lighting unit 220 or the first lighting unit 210 according to a user's input signal and / or a sensing signal of a sensor of the sensing unit. And both of the second lighting unit 220 may be driven.

Preferably, the control unit performs pulse width modulation on the first lighting unit 210 and the second lighting unit 220 to adjust illuminance of the first lighting unit 210 and the second lighting unit 220. Can be adjusted gradually. For this reason, the user may gradually or weakly adjust the illuminance of the first lighting unit 210 and the second lighting unit 220 by gradually changing the input signal.

3 is a schematic perspective view of the LED module 1000 'according to the second embodiment of the present invention, and FIG. 4 is a schematic exploded perspective view of the LED module 1000' according to the second embodiment of the present invention. .

3 and 4, the LED module 1000 ′ according to the second embodiment of the present invention includes a diffusion member 100 ′ having a shape similar to a triangle, and an inner portion of the diffusion member 100 ′. The first lighting unit 210 'and the second lighting unit 220' positioned at the side, and the first lighting unit 210 'and the first lighting unit 210' and the operation of the second lighting unit 220 '. A heat dissipation member 300 ′ for discharging heat generated by the second lighting unit 220 ′ to the outside, a casing member to prevent the heat dissipation member 300 ′ from being exposed to the outside, and the first lighting unit 210. ') And the control unit for controlling the second lighting unit 220'.

3 and 4, the heat dissipation member 300 ′ includes a first horizontal portion 310 ′ and a second horizontal portion 320 ′ and spaced apart from each other, and the first horizontal portion 310 ′. And a triangular shape portion 330 'having a first inclined surface and a second inclined surface that are inclined at a predetermined angle with respect to each of the horizontal portions between the second horizontal portions 320'.

The first horizontal portion 310 ′ and the second horizontal portion 320 ′ are portions at which the casing member and the diffusion member 100 ′ are fixed and coupled, and at the same time increase the heat dissipation area of the heat dissipation member 300 ′. to be.

In the present exemplary embodiment, the triangular shape portion 330 ′ is predetermined from the first horizontal member 331 ′ extending at an angle from the first horizontal portion 310 ′ and the second horizontal portion 320 ′. And a second plate member 332 'extending at an angle, so that the first plate member 331' and the second plate member 332 'are connected to the first plate member 331' and the first plate member 331 '. A triangular-shaped ventilation passage is formed between the two plate members 332 '.

In addition, the first plate-shaped member 331 ', the second plate-shaped member 332', the first horizontal portion 310 'and the second horizontal portion 320' are integrally formed and all have the same thickness. It is preferable to have.

An upper surface of the first plate-shaped member 331 'forms a first inclined surface, and an upper surface of the second plate-shaped member 332' forms a second inclined surface.

4 consisting of a bottom surface of the first plate-shaped member 331 ', a bottom surface of the second plate-shaped member 332', a bottom surface of the first horizontal portion 310 ', and a bottom surface of the second horizontal portion 320'. The heat dissipation area can be increased due to the two heat dissipation surfaces, which can improve heat dissipation performance of the heat dissipation member 300 '. In addition, by configuring one common heat dissipation member 300 'instead of two separate heat dissipation members 300' for the first and second lighting units, the material consumption constituting the heat dissipation member 300 'can be reduced. In addition, it is possible to simplify the structure of the LED module 1000 'having two lighting units.

In addition, the heat radiating member 300 ′ is made of a material having excellent thermal conductivity such as copper, aluminum, or an aluminum alloy.

The first lighting unit 210 ′ is mounted on the first inclined surface of the heat radiating member 300 ′, includes a plurality of LED elements L, and radiates light toward the first lighting area LA1. Here, the first illumination area LA1 may mean, for example, one area of the right area or the left area of the illumination space.

The first lighting unit 210 ′ includes a first printed circuit board 211 ′, to which the plurality of LED elements L are electrically connected, and to which the control unit is mounted, and the first printed circuit board 211 ′ and the first lighting unit 210 ′. It includes a first power supply unit 215 'for supplying power to the LED element (L). In this case, the first printed circuit board 211 ′ and the first power supply unit 215 ′ are electrically connected to each other.

The first power supply unit 215 ′ may include an AC-DC converter that converts AC power supplied from a power supply source (for example, KEPCO) into DC power.

The first printed circuit board 211 ′ and the first power supply 215 ′ are spaced apart from the first inclined surface by a predetermined interval. This allows the LED element L to be spatially separated from the first power supply unit 215 'that generates a large amount of heat, thereby reducing the influence of heat generated from the first power supply unit 215'. This is to improve the service life of (L).

Preferably, the upper surface of the first printed circuit board 211 ′ is provided with a reflecting plate 213 ′, and the plurality of LED elements L may be positioned above the reflecting plate 213 ′. Therefore, the light emitted from the side of the LED element (L) can be reflected to the front to improve the luminous efficiency of the LED element (L).

The second lighting unit 220 ′ is mounted on the second inclined surface of the heat radiating member 300 ′, includes a plurality of LED elements L, and irradiates light toward the second lighting area LA2. Here, the second illumination area LA2 may mean, for example, an area different from the first illumination area LA1 as one of the right area or the left area of the illumination space.

The second lighting unit 220 'is a second printed circuit board 221' to which the plurality of LED elements L are electrically connected and the control unit is mounted, the second printed circuit board 221 'and the It includes a second power supply unit 225 'for supplying power to the LED element (L).

The second power supply unit 225 ′ may include an AC-DC converter that converts AC power supplied from a power supply source (for example, KEPCO) into DC power.

The second printed circuit board 221 ′ and the second power supply unit 225 ′ are spaced apart from the second inclined surface by a predetermined interval. This spatially separates the LED element L from the second power supply 225 ', which generates a large amount of heat, thereby reducing the effect of heat generated by the LED element L from the second power supply 225'. This is to improve the service life of (L).

Preferably, a reflective plate 223 'is provided on an upper surface of the second printed circuit board 221', and the plurality of LED elements L may be positioned on the reflective plate 223 '. Therefore, the light emitted from the side of the LED element (L) can be reflected to the front to improve the luminous efficiency of the LED element (L).

The diffusion member 100 ′ diffuses the light emitted from at least one of the first and second lighting units 210 ′ and 220 ′ into the illumination region. It consists of a transmissive material or a light semipermeable material. By using the diffusion member 100 ′, the first illumination region of the first illumination unit 210 ′ and the second illumination region of the second illumination unit 220 ′ may form an overlapping region, whereby the first illumination unit When simultaneously operating 210 'and the second lighting unit 220', the first lighting area LA1 and the second lighting area LA2, as well as the first lighting area LA1 and the second lighting area LA2, may be used. The light can be irradiated to the area of light so that the entire lighting space can be illuminated.

The diffusion member 100 ′ may include a first diffusion part 110 ′ positioned above the first inclined surface and the first planar portion when the diffusion member 100 ′ is coupled to the heat radiation member 300 ′. When the diffusion member 100 ′ is coupled to the heat radiating member 300 ′, the second diffusion part 120 ′ positioned on the second inclined surface and the second flat part and the first diffusion part 110. ') And the connecting portion 130' for integrally connecting the second diffusion portion 120 '.

3 and 4, the light exit surface of the first diffusion part 110 ′ and the light exit surface of the second diffusion part 120 ′ are formed in a plane. Although not shown in the drawings, the light exit surface of the first diffuser 110 ′ and the light exit surface of the second diffuser 120 ′ may have a convex lens shape. However, this is an exemplification and the present invention is not limited thereto.

The first diffusion part 110 ′ includes two groove parts spaced apart from each other, and the two groove parts accommodate the first printed circuit board 211 ′ and the first power supply part 215 ′, respectively. do. As a result, the first printed circuit board 211 ′ and the first power supply 215 ′ can be completely and spatially separated from each other, so that the heat generated from the first power supply 215 ′ may be first. Transmission to the printed circuit board 211 ′ can be reliably prevented.

Like the first diffuser 110 ′, the second diffuser 120 ′ includes two grooves spaced apart from each other, and the two grooves each include the second printed circuit board 221 ′ and the groove. The second power supply unit 225 'is accommodated. As a result, the second printed circuit board 221 ′ and the second power supply 225 ′ can be completely and completely isolated from each other, so that the heat generated from the second power supply 225 ′ is second to the second printed circuit board 221 ′. The transfer to the printed circuit board 221 ′ can be reliably prevented.

The control unit may be configured as a control circuit, and the control unit is mounted on one printed circuit board of the first printed circuit board 211 ′ and the second printed circuit board 221 ′, wherein the control unit is formed of the first printed circuit board. It is configured to be electrically connected to both the first printed circuit board 211 ′ and the second printed circuit board 221 ′.

The controller controls the operation of the first lighting unit 210 'and the second lighting unit 220'. In particular, in the present invention, the control unit selectively activates at least one or more lighting units of the first lighting unit 210 'and the second lighting unit 220'. That is, the controller drives only the first lighting unit 210 'or only the second lighting unit 220' according to a user's input signal and / or a sensor's sensing signal. 210 'and both of the second lighting unit 220' may be driven.

Preferably, the controller controls the first lighting unit 210 ′ and the second lighting unit 220 ′ by pulse width modulation to control the first lighting unit 210 ′ and the second lighting unit 220 ′. You can adjust the illuminance gradually. Thus, the user may gradually or weakly adjust the illuminance of the first lighting unit 210 'and the second lighting unit 220' by gradually changing the input signal.

5 is a schematic perspective view of an LED module 1000 "according to a third embodiment of the present invention, and FIG. 6 is a schematic exploded perspective view of an LED module 1000" according to a third embodiment of the present invention. .

As shown in FIGS. 5 and 6, the LED module 1000 ″ according to the first embodiment of the present invention includes a diffusion member 100 ″ having a shape similar to a triangle, and an inner portion of the diffusion member 100 ″. The first lighting unit 210 ″ and the second lighting unit 220 ″ positioned at the side, and the first lighting unit 210 ″ and the first lighting unit 210 ″ and the second lighting unit 220 ″ when the first lighting unit 210 ″ and the second lighting unit 220 ″ are operated. A heat dissipation member 300 "for dissipating heat generated by the second lighting unit 220" to the outside, a casing member to prevent the heat dissipation member 300 "from being exposed to the outside, and the first lighting unit 210 &Quot;) and the second lighting unit 220 ".

5 and 6, the heat dissipation member 300 ″ includes a first horizontal portion 310 ″ and a second horizontal portion 320 ″ and spaced apart from each other, and the first horizontal portion 310 ″. And a triangular shape portion 330 ″ having a first inclined surface and a second inclined surface extending inclined at a predetermined angle with respect to each of the horizontal portions between the second horizontal portions 320 ″.

The first horizontal portion 310 ″ and the second horizontal portion 320 ″ are portions in which the casing member and the diffusion member 100 ″ are fixed and coupled, and at the same time, increase the heat dissipation area of the heat dissipation member 300 ″. to be.

In the present embodiment, the triangular shape portion 330 ″ is a first plate-shaped member 331 ″ extending inclined at a predetermined angle from the first horizontal portion 310 ″ and predetermined from the second horizontal portion 320 ″. And a second plate member 332 "extending at an angle inclined.

In this case, the first plate member 331 ″, the second plate member 332 ″, the first horizontal portion 310 ″ and the second horizontal portion 320 ″ are integrally formed and all have the same thickness. It is preferable to have.

An upper surface of the first plate-shaped member 331 "forms a first inclined surface, and an upper surface of the second plate-shaped member 332" forms a second inclined surface.

The first plate member 331 ″ may extend from a lower surface of the first plate member 331 ″ to a horizontal plane including the first horizontal portion 310 ″ and the second horizontal portion 320 ″. Two heat dissipation fins 333 ". The plurality of heat dissipation fins 333" are spaced apart from each other by a predetermined distance, and the plurality of heat dissipation fins 333 "are formed long in the longitudinal direction of the front and rear directions.

Preferably, the plurality of heat dissipation fins may extend from a lower surface of the first plate member 331 ″ to penetrate a horizontal plane including a first horizontal portion 310 ″ and a second horizontal portion 320 ″. have.

Like the first plate-shaped member 331 ", the second plate-shaped member 332" also has the first horizontal portion 310 "and the second horizontal portion (" ") from the lower surface of the second plate-shaped member 332". And a plurality of heat dissipation fins 334 "extending to a horizontal plane including 320". The plurality of heat dissipation fins 334 ″ are spaced apart from each other by a predetermined interval, and the plurality of heat dissipation fins 334 ″ are elongated in the longitudinal direction of the front and rear directions.

Preferably, the plurality of heat dissipation fins 334 "penetrates a horizontal plane including a first horizontal portion 310" and a second horizontal portion 320 "from a lower surface of the second plate-shaped member 332". Can be extended to

The predetermined interval formed between the plurality of heat dissipation fins 333 "of the first plate-shaped member 331" and the predetermined interval formed between the plurality of heat dissipation fins 334 "of the second plate-shaped member 332" have air. Form an air passage through it.

4 consisting of a bottom surface of the first plate-shaped member 331 ", a bottom surface of the second plate-shaped member 332", a bottom surface of the first horizontal portion 310 ", and a bottom surface of the second horizontal portion 320". The heat dissipation area can be remarkably increased due to the plurality of heat dissipation fins provided in the first plate-shaped member 331 "and the second plate-shaped member 332" as well as the two heat dissipation surfaces. The heat dissipation performance can be significantly improved. Further, by constructing one common heat dissipation member 300 "instead of two separate heat dissipation members 300" for the first illumination part and the second illumination part, the heat dissipation member 300 " In addition to reducing the amount of material constituting the structure can be simplified the structure of the LED module 1000 "having two lighting units.

In addition, the heat radiating member 300 "is made of a material having excellent thermal conductivity such as copper, aluminum, or an aluminum alloy.

The first lighting unit 210 ″ is mounted on the first inclined surface of the heat radiating member 300 ″, includes a plurality of LED elements L, and irradiates light toward the first lighting area LA1. Here, the first illumination area LA1 may mean, for example, one area of the right area or the left area of the illumination space.

The first lighting unit 210 ″ includes a first printed circuit board 211 ″, to which the plurality of LED elements L are electrically connected, and to which the control unit is mounted, the first printed circuit board 211 ″, and the It includes a first power supply unit 215 "for supplying power to the LED element (L). In this case, the first printed circuit board 211 ″ and the first power supply 215 ″ are electrically connected to each other.

The first power supply unit 215 ″ may include an AC-DC converter that converts AC power supplied from a power supply source (for example, KEPCO) into DC power.

The first printed circuit board 211 ″ and the first power supply 215 ″ are spaced apart from the first inclined surface by a predetermined interval. This spatially separates the LED element L from the first power supply 215 ", which generates a large amount of heat, thereby reducing the effect of heat generated by the LED element L from the first power supply 215". This is to improve the service life of (L).

Preferably, the upper surface of the first printed circuit board 211 ″ is provided with a reflecting plate 213 ″, and the plurality of LED elements L may be positioned above the reflecting plate 213 ″. Therefore, the light emitted from the side of the LED element (L) can be reflected to the front to improve the luminous efficiency of the LED element (L).

The second lighting unit 220 ″ is mounted on the second inclined surface of the heat radiating member 300 ″, includes a plurality of LED elements L, and irradiates light toward the second lighting region LA2. Here, the second illumination area LA2 may mean, for example, an area different from the first illumination area LA1 as one of the right area or the left area of the illumination space.

The second lighting unit 220 "includes a second printed circuit board 221" to which the plurality of LED elements L are electrically connected and the control unit is mounted, the second printed circuit board 221 ", and the And a second power supply unit 225 "for supplying power to the LED element L.

The second power supply unit 225 ″ may include an AC-DC converter that converts AC power supplied from a power supply source (for example, KEPCO) into DC power.

The second printed circuit board 221 ″ and the second power supply 225 ″ are spaced apart from the second inclined surface by a predetermined interval. This spatially separates the LED element L from the second power supply 225 ", which generates a large amount of heat, thereby reducing the influence of heat generated from the second power supply 225" by the LED element L. This is to improve the service life of (L).

Preferably, a reflective plate 223 ″ is provided on an upper surface of the second printed circuit board 221 ″, and the plurality of LED elements L may be positioned on the reflective plate 223 ″. Therefore, the light emitted from the side of the LED element (L) can be reflected to the front to improve the luminous efficiency of the LED element (L).

The diffusion member 100 ″ diffuses the light emitted from at least one of the first and second lighting units 210 ″ and 220 ″ into the illumination area. It consists of a transmissive material or a light semipermeable material. By using the diffusion member 100 ", the first illumination area LA1 of the first illumination unit 210" and the second illumination area LA2 of the second illumination unit 220 "may form an overlapping area. Therefore, when operating the first lighting unit 210 "and the second lighting unit 220" at the same time, not only the first lighting area LA1 and the second lighting area LA2 but also the first lighting area LA1 and the second lighting area LA2. Light can also be irradiated to the areas between the lighting areas LA2 to illuminate the entire lighting space.

The diffusion member 100 ″ may include a first diffusion portion 110 ″ positioned on the first inclined surface and the first planar portion when the diffusion member 100 ″ is coupled to the heat radiation member 300 ″. When the diffusion member 100 ″ is coupled to the heat radiating member 300 ″, the second diffusion part 120 ″ positioned on the second inclined surface and the second plane part and the first diffusion part 110 are provided. &Quot;) and a connection portion 130 " for integrally connecting the second diffusion portion 120 ".

5 and 6, the light exit surface of the first diffusion part 110 ″ and the light exit surface of the second diffusion part 120 ″ are formed in a plane. Although not shown in the drawings, the light exit surface of the first diffuser 110 ″ and the light exit surface of the second diffuser 120 ″ may be configured in a convex lens shape. However, this is an exemplification and the present invention is not limited thereto.

The first diffusion part 110 ″ includes two groove parts 111 a ″ and 111 b ″ which are spaced apart from each other, and the two groove parts 111 a ″ and 111 b ″ are respectively formed on the first printed circuit board 211. &Quot;) and the first power supply 215 ", thereby allowing the first printed circuit board 211 " and the first power supply 215 " to be spatially and completely isolated. As a result, heat generated from the first power supply unit 215 " can be reliably prevented from being transferred to the first printed circuit board 211 ".

Like the first diffusion part 110 ", the second diffusion part 120" includes two groove parts 121a "and 121b" spaced apart from each other, and the two groove parts 121a "and 121b"). Respectively accommodates the second printed circuit board 221 ″ and the second power supply 225 ″. As a result, the second printed circuit board 221 " and the second power supply 225 " can be completely separated from each other, whereby heat generated in the second power supply 225 " Transmission to the printed circuit board 221 " can be reliably prevented.

The control unit may be configured as a control circuit, and the control unit is mounted on one printed circuit board of the first printed circuit board 211 ″ and the second printed circuit board 221 ″, wherein the control unit is configured as the first printed circuit board. It is configured to be electrically connected to both the first printed circuit board 211 ″ and the second printed circuit board 221 ″.

The controller controls the operation of the first lighting unit 210 ″ and the second lighting unit 220 ″. In particular, in the present invention, the control unit selectively operates at least one or more lighting units of the first lighting unit 210 "and the second lighting unit 220". That is, the controller may drive only the first illumination unit 210 ″, only the second illumination unit 220 ″ or the first illumination unit according to a user's input signal and / or a sensor's detection signal. 210 ") and the second lighting unit 220" may be driven.

Preferably, the control unit performs pulse width modulation on the first lighting unit 210 ″ and the second lighting unit 220 ″ to control the first lighting unit 210 ″ and the second lighting unit 220 ″. You can adjust the illuminance gradually. As a result, the user may gradually or weakly adjust the illuminance of the first lighting unit 210 ″ and the second lighting unit 220 ″ by gradually changing the input signal.

7 is a schematic perspective view of an LED module according to a fourth embodiment of the present invention, and FIG. 8 is a schematic exploded perspective view of an LED module according to a fourth embodiment of the present invention.

7 and 8, in the LED module according to the fourth embodiment of the present invention, the LED module 1000 ″ ″ according to the fourth embodiment of the present invention includes a diffusion member 100 ″ having a shape similar to a triangle. &Quot;), a first lighting unit 210 " " and a second lighting unit 220 " located at the free end of the diffusion member 100 " ", and the first lighting unit 210 " " A heat dissipation member 300 "" for dissipating heat generated by the first illumination unit 210 "" and the second illumination unit 220 "" to the outside during operation of the second illumination unit 220 "", and said heat radiation And a casing member for preventing the member 300 "" from being exposed to the outside, and a control unit for controlling the first lighting unit 210 "" and the second lighting unit 220 "".

Referring to FIGS. 7 and 8, the heat dissipation member 300 ″ ″ may include a first horizontal part 310 ″ ″ and a second horizontal part 320 ″ ″ and spaced apart from each other, and the first horizontal part ″ A triangle having a first inclined surface 331 "" and a second inclined surface 332 "" extending inclined at a predetermined angle with respect to each of said horizontal portions between 310 "" and said second horizontal portion 320 "". A shape 330 " ", a first support portion which abuts on the first inclined surface from the first horizontal portion and protrudes parallel to the first inclined surface, and abuts on the second inclined surface from the second horizontal portion, And a second support projecting in parallel with the second inclined surface.

The first horizontal portion 310 ″ ″ and the second horizontal portion 320 ″ ″ are the portions to which the casing member and the diffusion member 100 ″ ″ are fixed and coupled, and the heat dissipation area of the heat dissipation member 300 ″ ″. This is the part that increases.

In this embodiment, the triangular shaped portion 330 "" is composed of a hollow member. In addition, the first inclined surface 331 "" and the second inclined surface 332 "" of the triangular shaped portion 330 "" are located at positions corresponding to both sides adjacent to the triangle, and as described later, The first inclined plane and the second inclined plane are directly positioned at the open end of the diffusion member (ie between the open end of the diffusion member and the first or second support). The first inclined surface and the second inclined surface are not in contact with the first lighting unit and the second lighting unit, but the first inclined surface and the second inclined surface radiate heat to the outside of the first and second lighting units which are thermally conductive from the first support and the second support. The first inclined surface and the second inclined surface increase the heat dissipation area.

The first horizontal portion 310 ″ ″ and the second horizontal portion 320 ″ ″ are configured to extend in a horizontal direction from lower ends of both sides of the triangular shape portion 330 ″ ″ formed of the hollow member.

For this reason, in this embodiment, the heat dissipation surface of the heat dissipation member 300 "" includes the bottom of the triangular portion 330 "", the bottom face of the first horizontal portion 310 "", and the second horizontal portion 320 "". Since the bottom surface and the first inclined surface and the second inclined surface of the), the first horizontal portion 310 "" and the second horizontal portion 320 "" may increase the heat dissipation area. In addition, by configuring one common heat dissipation member 300 "" instead of two separate heat dissipation members 300 "" for the first illumination part and the second illumination part, the material usage constituting the heat dissipation member 300 "" is reduced. Not only can it be reduced, but the structure of the LED module 1000 " "

The first support part is formed integrally with the first horizontal part and the first inclined surface, and contacts the first inclined surface from the first horizontal part to protrude in parallel with the first inclined surface. An end portion of the first support portion is configured to be perpendicular to the first inclined surface. The first support portion is a portion that supports the end of the diffusion member (specifically, the open end of the first diffusion portion of the diffusion member).

The second support part is integrally formed on the second horizontal part and the second inclined surface, and contacts the second inclined surface from the second horizontal part to protrude in parallel with the second inclined surface. An end portion of the second support portion is configured to be perpendicular to the second inclined surface. The second support portion is a portion that supports the end of the diffusion member (specifically, the open end of the second diffusion portion of the diffusion member).

Unlike the first to third embodiments, in the present embodiment, the lighting unit can be mounted in an edge manner with respect to the diffusion unit by providing the first supporting unit and the second supporting unit.

In addition, the heat dissipation member 300 ″ ″ is made of a material having excellent thermal conductivity such as copper, aluminum, or an aluminum alloy.

The first lighting unit 210 ″ ″ is installed at the end of the first support 311 ″ ″ of the heat radiating member 300 ″ ″, and the open end of the first diffusion unit is positioned at the light exit direction surface of the first lighting unit 300 ″ ″. That is, the first lighting unit is mounted in an edge manner with respect to the first diffusion unit. In addition, the first lighting unit includes a plurality of LED elements L and emits light toward the first lighting area LA1. Here, the first illumination area LA1 may mean, for example, one area of the right area or the left area of the illumination space.

The first lighting unit 210 ″ ″ is positioned at a lower portion of the first printed circuit board 211 ″ ″ to which the plurality of LED elements L are electrically connected and to which the control unit is mounted. And a first power supply unit 215 ″ ″ for supplying power to the first printed circuit board 211 ″ ″ and the LED element L. In this case, the first printed circuit board 211 ″ ″ and the first power supply 215 ″ ″ are electrically connected.

The first power supply unit 215 ″ ″ may include an AC-DC converter that converts AC power supplied from a power supply source (for example, KEPCO) into DC power.

Preferably, the upper surface of the first printed circuit board 211 ″ ″ is provided with a reflecting plate 213 ″ ″, and the plurality of LED elements L may be positioned above the reflecting plate 213 ″ ″. Can be. Therefore, the light emitted from the side of the LED element (L) can be reflected to the front to improve the luminous efficiency of the LED element (L).

The second lighting unit 220 ″ ″ is installed at the end of the second support 321 ″ ″ of the heat radiating member 300 ″ ″, and the open end of the second diffusion unit is positioned at the light exit direction surface of the second lighting unit. That is, the second lighting unit is mounted in an edge manner with respect to the second diffusion unit. In addition, the second lighting unit includes a plurality of LED elements L and emits light toward the second lighting area LA2. Here, the second illumination area LA2 may mean, for example, one area of the right area or the left area of the illumination space.

The second lighting unit 220 ″ ″ includes a second printed circuit board 221 ″ ″ in which the plurality of LED elements L are electrically connected and the control unit is mounted, and is located below the second printed circuit board. And a second power supply unit 225 ″ ″ for supplying power to the second printed circuit board 221 ″ ″ and the LED element L. In this case, the second printed circuit board 221 ″ ″ and the second power supply 225 ″ ″ are electrically connected.

The second power supply unit 225 ″ ″ may include an AC-DC converter that converts AC power supplied from a power supply source (for example, KEPCO) into DC power.

Preferably, a reflective plate 223 ″ ″ is provided on an upper surface of the second printed circuit board 221 ″ ″, and the plurality of LED elements L may be positioned on the reflective plate 223 ″ ″. Can be. Therefore, the light emitted from the side of the LED element (L) can be reflected to the front to improve the luminous efficiency of the LED element (L).

The diffusing member 100 "" is an optical component which diffuses the light irradiated from the at least one illumination part of the 1st illumination part 210 "" and the 2nd illumination part 220 "" to an illumination area, and in this embodiment The diffusion member is composed of a light guide plate and respective lighting units are installed at the open end of the diffusion unit.

In addition, by using the diffusion member 100 ″ ″, the first illumination region of the first illumination unit 210 ″ ″ and the second illumination region LA2 of the second illumination unit 220 ″ ″ may form an overlapping region. Therefore, when operating the first lighting unit 210 "" and the second lighting unit 220 "" at the same time, the first lighting area LA1 and the second lighting area LA2, as well as the first lighting area and the first lighting area 2 Light can be irradiated to the area between the lighting areas so that the entire lighting space can be illuminated.

The diffusion member 100 ″ ″ includes a first diffuser 110 ″ ″ disposed to be supported by the first inclined surface 331 ″ ″ and the first support 311 ″ ″, and the second inclined surface. 332 ″ ″ and the second diffuser 120 ″ ″ disposed to be supported by the second support 332 ″ ″, and the first diffuser 110 ″ ″ and the second diffuser integrally. And a connecting portion 130 "" for connecting.

Referring to FIGS. 7 and 8, the first diffuser and the first illuminator are described. The first illuminator is installed at an open end of the first diffuser, and the first diffuser is installed at the side of the first diffuser. The light irradiated from the first lighting unit is incident along the side surface (light receiving surface) of the first diffuser to be reflected inside the first diffuser, and then emitted to a surface perpendicular to the light receiving surface (ie, the light emitting surface). To this end, the first diffusion unit may be configured as a light guide plate.

In addition, a first reflecting member may be provided between an inner side surface of the first diffusion part that faces the second diffusion part and the first inclined surface. The first reflecting member may improve light output efficiency of the first lighting unit by reflecting light incident on the side surface (that is, the light incident surface) of the first diffuser toward the light emitting surface.

Similarly to the first diffuser and the first illuminating unit, the second diffuser and the second illuminating unit will be described. The second illuminating unit is installed at the open end of the second diffuser. Light emitted from the second lighting unit is incident along the side surface (light receiving surface) of the second diffuser and reflected inside the second diffuser, and then emitted to a surface perpendicular to the light receiving surface (ie, the light emitting surface). . To this end, the second diffusion unit may be configured as a light guide plate.

In addition, a second reflective member is provided between the second inclined surface and the inner side surface of the second diffuser that faces the first diffuser. The second reflecting member may improve light output efficiency of the second lighting unit by reflecting light incident on the side surface (that is, the light incident surface) of the second diffusion unit toward the light emitting surface.

The control unit may be configured as a control circuit, and the control unit is mounted on one printed circuit board of the first printed circuit board 211 ″ ″ and the second printed circuit board 221 ″ ″. And is electrically connected to both the first printed circuit board 211 ″ ″ and the second printed circuit board 221 ″ ″.

The controller controls the operation of the first lighting unit 210 "" and the second lighting unit 220 "". In particular, in the present invention, the control unit selectively operates at least one or more lighting units of the first lighting unit 210 "" and the second lighting unit 220 "". That is, the controller drives only the first lighting unit 210 "" or only the second lighting unit 220 "" or the first according to a user input signal and / or a sensing signal of a sensor of the sensing unit. Both the lighting unit 210 ″ ″ and the second lighting unit 220 ″ ″ may be driven.

Preferably, the control unit is configured to perform pulse width modulation on the first lighting unit 210 ″ ″ and the second lighting unit 220 ″ ″ to control the first lighting unit 210 ″ ″ and the second lighting unit. The illuminance of 220 "" can be adjusted gradually. As a result, the user may gradually or weakly adjust the illuminance of the first illumination unit 210 ″ ″ and the second illumination unit 220 ″ ″ by gradually changing the input signal.

9 is a schematic block diagram of an LED lighting system 10 according to the present invention, FIG. 10 is a schematic perspective view of an LED lighting system 10 according to the present invention, and FIGS. It is a schematic diagram of the operating state of the LED lighting system 10 according.

As shown in FIG. 9, the LED lighting system 10 according to the present invention includes a plurality of LED modules 1000 according to the present invention as described above, and inside and outside of an illumination space in which the LED lighting system 10 is installed. A sensing module 13 for sensing state information, and a control module 15 for controlling the plurality of LED modules 1000 based on state information inside and outside the lighting space detected by the sensing unit 13. Include.

As described above, the LED module 1000 according to the present invention includes a first horizontal part and a second horizontal part spaced apart from each other, and each of the horizontal parts between the first horizontal part and the second horizontal part. A heat dissipation member comprising a triangular shape having a first inclined surface and a second inclined surface that are inclined at a predetermined angle with respect to the second inclined surface; A first lighting unit 210 mounted on the first inclined surface and including a plurality of LED elements, and configured to irradiate light toward the first lighting area LA1; A second lighting unit 220 mounted on the second inclined surface and including a plurality of LED elements, and configured to irradiate light toward the second lighting area LA2; And a controller for controlling the operation of the first lighting unit 210 and the second lighting unit 220, wherein the control unit includes at least one lighting unit of the first lighting unit 210 and the second lighting unit 220. It is characterized by selectively operating.

The sensing unit 13 includes a plurality of human body sensor 13a and / or a plurality of illuminance sensors 13b.

The human body sensor 13a is installed at each of the first illumination area LA1 and the second illumination area LA2 at both sides of each LED module 1000 to provide the first illumination area LA1 and the second illumination. The presence of occupants in the area LA2 is detected. The human body sensor 13a may be located near a working place of a patient, for example, a camera, an infrared sensor, or the like.

The illuminance sensor 13b is mounted to each of a plurality of skylights provided in the illumination space in which the LED lighting system 10 is installed, and determines an area in which the light reaches the illumination space.

The control module 15 transmits a control signal to each control unit of the LED module 1000 so that the plurality of LED modules 1000 and the first lighting unit 210 and the second lighting unit 220 included in the LED module 1000 are provided. To control.

When the sensing unit 13 includes a plurality of human body detection sensors 13a, the control module 15 may include the human body detection sensor 13a among the first lighting area LA1 and the second lighting area LA2. The first lighting unit 210 and at least one lighting unit of the first lighting unit 210 and the second lighting unit 220 in order to irradiate light to the lighting area is determined to be present through the The second lighting unit 220 is controlled.

That is, when the human body sensor 13a determines that the occupant is present only in the first lighting area LA1, the control module 15 operates the LED module 1000 so that only the first lighting unit 210 of the LED module 1000 operates. ), And if the human body sensor 13a determines that the occupant is present only in the second lighting area LA2, the control module 15 operates the LED so that only the second lighting unit 220 of the LED module 1000 operates. The module 1000 is controlled, and the human body sensor 13a is present in the occupant in both the first lighting area LA1 and the second lighting area LA2 or the first lighting area LA1 and the second lighting area ( If it is determined that there exists between LA2), the control module 15 controls the LED module 1000 to operate both the first lighting unit 210 and the second lighting unit 220.

When the sensing unit 13 includes a plurality of illuminance sensors 13b, the control module 15 controls the illuminance sensor 13b among the first illumination area LA1 and the second illumination area LA2. The first lighting unit 210 and the second lighting unit such that at least one of the first lighting unit 210 and the second lighting unit 220 is operated so that light is irradiated to the lighting region where the light does not reach through the lighting unit. Control 220.

That is, when the sunlight is supplied to the lighting space only through the skylight located in the first lighting area LA1 according to the south middle altitude of the sun, the illuminance sensor 13b indicates that the sunlight is supplied to the first lighting area LA1. The control module 15 operates only the second lighting unit 220 based on the determination. On the contrary, when the sunlight is supplied to the illumination space only through the skylight located in the second illumination region LA2 according to the south mid-high altitude of the sun, the illuminance sensor 13b indicates that the sunlight is supplied to the second illumination region LA2. The control module 15 operates only the first lighting unit 210 based on the determination. In addition, since there is no sunlight detected by the illuminance sensor 13b after sunset, the control module 15 operates both the first lighting unit 210 and the second lighting unit 220.

Therefore, the present invention can selectively operate the first lighting unit 210 and the second lighting unit 220 according to the presence of the occupants and / or the incident direction or the presence of sunlight, and thus the lighting is located in the unnecessary lighting area Power can be saved by disabling the lighting unit.

As described above, the present invention has the effect of selectively illuminating a plurality of illumination areas with a simple structure. Therefore, the present invention can improve the ease of use of the user or the occupants in the lighting space at a low manufacturing cost.

While the present invention has been particularly shown and described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims. . It is therefore to be understood that the modified embodiments are included in the technical scope of the present invention if they basically include elements of the claims of the present invention.

1000: LED Module
100: diffusion member
110: first diffusion part
111a, 111b: groove portion
120: second diffusion part
121a, 121b: Groove
130:
210: first lighting unit
211: first printed circuit board
213: reflector
215: first power supply
220: second lighting unit
221: second printed circuit board
223: reflector
225: second power supply unit
300: heat dissipation member
310: first horizontal portion
320: second horizontal portion
330: triangular shape
331: first inclined surface
332: second slope

Claims

An LED module comprising a plurality of LED elements,
A first inclined surface and a second inclined surface spaced apart from each other, and a first inclined surface and a second inclined surface extending inclined at a predetermined angle with respect to each of the horizontal portions between the first horizontal portion and the second horizontal portion. A heat dissipation member comprising a triangular shape and made of a thermally conductive material;
A first lighting unit mounted on the first inclined surface and including a plurality of LED elements and radiating light toward a first lighting area;
A second lighting unit mounted on the second inclined surface and including a plurality of LED elements, and configured to irradiate light toward a second lighting area;
And a controller for controlling the operation of the first lighting unit and the second lighting unit.
The control unit LED module, characterized in that for selectively operating at least one or more of the lighting unit of the first and second lighting unit.

The method of claim 1,
The first lighting unit includes a first printed circuit board to which the plurality of LED elements are electrically connected and the control unit is mounted, and a first power supply unit to supply power to the first printed circuit board and the LED element.
The second lighting unit includes a second printed circuit board to which the plurality of LED elements are electrically connected and to which the control unit is mounted, and a second power supply unit supplying power to the second printed circuit board and the LED element. LED module.

3. The method of claim 2,
The first printed circuit board and the first power supply unit are located at a predetermined interval from the first inclined surface,
And the second printed circuit board and the second power supply unit are spaced apart from the second inclined surface by a predetermined interval.

3. The method of claim 2,
The first printed circuit board and the upper surface of the second printed circuit board is provided with a reflecting plate,
The plurality of LED elements are LED module, characterized in that located on top of the reflecting plate.

The method of claim 1,
The LED module, characterized in that further comprising a diffusion member for diffusing the light emitted from at least one of the first lighting unit and the second lighting unit to the illumination area.

6. The method of claim 5,
Wherein the diffusion member
A first diffusion part positioned on the first inclined surface and the first planar part;
A second diffusion part positioned above the second inclined surface and the second plane part;
And a connection part integrally connecting the first diffusion part and the second diffusion part.

The method according to claim 6,
The first lighting unit includes a first printed circuit board to which the plurality of LED elements are electrically connected and the control unit is mounted, and a first power supply unit to supply power to the first printed circuit board and the LED element.
The second lighting unit includes a second printed circuit board to which the plurality of LED elements are electrically connected and the control unit is mounted, and a second power supply unit supplying power to the second printed circuit board and the LED element.
The first diffusion part includes two groove parts receiving the first printed circuit board and the first power supply part, respectively, and spaced apart from each other.
And the second diffusion part includes two groove parts accommodating the first printed circuit board and the first power supply part and spaced apart from each other.

The method of claim 1,
The triangular shaped portion is composed of a solid member, wherein the first horizontal portion and the second horizontal portion, the LED module, characterized in that extending from the lower end of both sides of the solid member.

The method of claim 1,
The triangular shape portion includes a first plate-like member extending obliquely from the first horizontal portion and a second plate-like member extending obliquely from the second horizontal portion,
And the first plate member and the second plate member form a triangular shaped ventilation passage between the first plate member and the second plate member.

The method of claim 1,
The triangular shape portion includes a first plate-like member extending obliquely from the first horizontal portion and a second plate-like member extending obliquely from the second horizontal portion,
The first plate-shaped member and the second plate-shaped member may extend from the bottom surface of the first plate-shaped member and the bottom surface of the second plate-shaped member to a horizontal plane including the first horizontal portion and the second horizontal portion or the horizontal plane. LED module characterized in that it has a plurality of heat radiation fins extending until passing through.

11. The method according to any one of claims 1 to 10,
The control unit is a LED module, characterized in that for gradually adjusting the illuminance of the first lighting unit and the second lighting unit by the pulse width control (Pulse Width Modulation).

As an LED lighting system,
A first lighting unit positioned at a first inclination angle to irradiate light toward the first illumination region and a second inclination angle forming a predetermined angle with the first inclination angle, and toward a second illumination region different from the first illumination region. A plurality of LED modules including a second lighting unit for irradiating light;
Sensing unit for detecting the state information of the interior and exterior of the lighting space in which the LED lighting system is installed;
And a control module for controlling the plurality of LED modules based on state information of the inside and outside of the lighting space sensed by the sensing unit.

The method of claim 12,
The sensing unit may include a plurality of human body detecting sensors installed at each of the first lighting region and the second lighting region on both sides of the LED module to detect the presence or absence of occupants in the first lighting region and the second lighting region. LED lighting system, characterized in that.

14. The method of claim 13,
The control module may include at least one of the first lighting unit and the second lighting unit so that light is irradiated to an illumination area of the first lighting area and the second lighting area, which is determined to be an occupant through the human body sensor. LED lighting system, characterized in that for controlling at least one lighting unit to operate the first lighting unit and the second lighting unit.

The method of claim 12,
The sensing unit may include a plurality of illumination sensors mounted on each of the plurality of skylights provided in the lighting space in which the LED lighting system is installed, and determining a region in which the light reaches the lighting space.

16. The method of claim 15,
The control module may include at least one lighting unit among the first lighting unit and the second lighting unit so that light is irradiated to the lighting region where the light does not reach through the illumination sensor among the first lighting region and the second lighting region. LED lighting system, characterized in that for controlling the first lighting unit and the second lighting unit to operate.

An LED module comprising a plurality of LED elements,
A first inclined surface and a second inclined surface spaced apart from each other, and a first inclined surface and a second inclined surface extending inclined at a predetermined angle with respect to each of the horizontal portions between the first horizontal portion and the second horizontal portion. A triangular shape, a first support part projecting in parallel with the first inclined surface from the first horizontal part, and a second support part projecting in parallel with the second inclined surface from the second horizontal part; A heat dissipation member made of a thermally conductive material;
A first diffusion part disposed to be supported by the first inclined surface and the first support part, a second diffusion part disposed to be supported by the second inclined surface and the second support part, the first diffusion part and the first diffusion part; A diffusion member including a connection part integrally connecting the two diffusion parts;
A first illumination unit disposed between the open end of the first diffusion unit and the first support unit, the first illumination unit including a plurality of LED elements and radiating light toward a first illumination area;
A second lighting unit disposed between the open end of the second diffusion unit and the second support unit, the second lighting unit including a plurality of LED elements and emitting light toward a second lighting area;
And a controller for controlling the operation of the first lighting unit and the second lighting unit.
The diffusion member is composed of a light guide plate, the control unit LED module, characterized in that for selectively operating at least one or more of the lighting unit of the first lighting unit and the second lighting unit.

18. The method of claim 17,
A first reflective member is provided between the first inclined surface and the inner side surface of the first diffuser facing the second diffuser.
The LED module, characterized in that a second reflecting member is provided between the second inclined surface and the inner surface of the second diffusion portion facing the first diffusion portion.