WO2013157682A1 - 매립형 조명 기구 - Google Patents

매립형 조명 기구 Download PDF

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Publication number
WO2013157682A1
WO2013157682A1 PCT/KR2012/003050 KR2012003050W WO2013157682A1 WO 2013157682 A1 WO2013157682 A1 WO 2013157682A1 KR 2012003050 W KR2012003050 W KR 2012003050W WO 2013157682 A1 WO2013157682 A1 WO 2013157682A1
Authority
WO
WIPO (PCT)
Prior art keywords
buried
reflector
housing
embedded lighting
embedded
Prior art date
Application number
PCT/KR2012/003050
Other languages
English (en)
French (fr)
Inventor
허승효
허윤수
Original Assignee
주식회사 알토
(주)알텍테크놀로지스
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=48441912&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2013157682(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 주식회사 알토, (주)알텍테크놀로지스 filed Critical 주식회사 알토
Priority to CN201280073974.1A priority Critical patent/CN104603532B/zh
Priority to EP12874784.7A priority patent/EP2840309A4/en
Publication of WO2013157682A1 publication Critical patent/WO2013157682A1/ko

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/04—Recessed bases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/04—Recessed bases
    • F21V21/041—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates
    • F21V21/042—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates using clamping means, e.g. for clamping with panel or wall
    • F21V21/043—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates using clamping means, e.g. for clamping with panel or wall actuated by screwing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0066—Reflectors for light sources specially adapted to cooperate with point like light sources; specially adapted to cooperate with light sources the shape of which is unspecified
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/048—Optical design with facets structure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2101/00—Point-like light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to an embedded lighting device, which includes a reflector in which the lighting device is embedded in a ceiling.
  • lighting equipment is used as a building element as part of the building space as well as a function of attaching it to walls and ceilings of the interior and exterior of the room, and used as a character of an accessory that matches the interior atmosphere. It is used for various purposes, and various kinds of lighting devices are used to achieve this purpose.
  • FIG. 1 is a diagram showing an embedded lighting device consisting of an LED lamp and a re-folder.
  • the technical task of the present invention is to allow a wide range of light distributions without having to replace the entire lighting device.
  • the technical problem of the present invention is to provide a light distribution range easily with human hands without using additional tools.
  • the technical task of the present invention is to change the distribution range of light distribution. This is to prevent damage to the exterior of the lighting equipment by the tool.
  • Embodiments of the present invention include a buried housing inserted into a ceiling buried groove, an LED module connected to the buried housing, a connector connecting the LED modules and the buried housing to each other, and a buried housing embedded in the ceiling buried groove.
  • the LED modules may include a PCB substrate having a plurality of LEDs mounted thereon, a diffusion cover attached to the PCB substrate to uniformly spread the light emitted from the LEDs, and a heat dissipation plate configured to discharge heat generated from the LEDs to the outside. do.
  • the buried housing further includes a ring body having a border shape having a thickness, and a vertical protrusion formed vertically along the inner diameter of the ring body.
  • the reflector also includes an opened upper opening surface, an opened lower opening surface, a side wall connecting the upper opening surface and the lower opening surface, and detachable means for resiliently detachable from the vertical protrusion of the buried housing.
  • the lower opening also has a planar surface that extends horizontally along the edge of the lower opening.
  • the detaching means includes a rim surrounding the side wall, and a locking body protruding from the rim and having a stepped surface and a guide surface of a ' ⁇ 1' shape, wherein the stepped surface of the locking body is formed on the vertical protrusion. And attach it to the buried housing.
  • the inclination of the stepped surface protruding from the border has a larger obtuse angle than the horizontal angle of the planar surface protruding horizontally from the lower opening surface.
  • the embodiment of the present invention by replacing only the reflector, it is possible to change the light distribution distribution range without removing the entire embedded lighting device from the ceiling. Therefore, the light distribution distribution range of the lighting device can be easily changed without the need for replacement or the like. The cost of construction for changing the distribution range of light distribution can be reduced, and the damage of the lighting fixtures by the tools can be prevented by replacing the reflector with only a hand without any tools.
  • 1 is a diagram showing a change in the distribution angle according to the curvature of the reflector in the embedded lighting device consisting of the LED lamp and the reflector.
  • FIG. 2 is a perspective view showing a buried lighting apparatus according to an embodiment of the present invention.
  • 3 is an exploded perspective view of the embedded lighting apparatus according to the embodiment of the present invention.
  • FIG. 4 is an exploded cross-sectional view of an LED model according to an embodiment of the present invention.
  • FIG. 5 is a diagram illustrating a method of separating a reflector coupled to a buried housing according to an embodiment of the present invention.
  • 6, 7 and 8 are graphs showing distribution ranges according to curvature of the inner surface of the reflector side wall according to the embodiment of the present invention.
  • FIG. 9 is a graph showing a light distribution distribution range after coating a white paint on an inner surface of a side wall of a reflector according to an embodiment of the present invention.
  • FIG. 10 is a view showing a process of fastening a reflector to a buried housing according to an embodiment of the present invention.
  • FIG. 11 shows a honeycomb shape in the inner side wall of the reflector according to the embodiment of the present invention.
  • the figure shows the formed figure.
  • FIG. 12 is a photograph of a buried luminaire incorporating various types of reflectors according to an embodiment of the present invention.
  • Fig. 13 is a photograph of a product in which the reflector and the detaching means are manufactured in one piece.
  • FIG. 2 is a perspective view showing a buried lighting apparatus according to an embodiment of the present invention
  • Figure 3 is an exploded perspective view of a buried lighting apparatus according to an embodiment of the present invention
  • Figure 4 is an LED module according to an embodiment of the present invention This is an exploded cross section of the field.
  • the buried lighting fixtures are embedded in the ceiling to illuminate the lower part of the ceiling.
  • the light emitted from the LED modules reflects off the reflectors of the embedded lighting fixtures and reflects down the ceiling.
  • the embedded lighting apparatus includes an embedded body 100 including an LED module 120, a buried housing 110, a connector 130, a bracket 140, and a reflecting lamp for reflecting light. And a reflector 200 for smoothing the light.
  • the embedding body 100 includes a light emitting LED module 120, a buried housing 110 inserted into a ceiling buried groove, and a ceiling buried groove. It includes a bracket 140 for supporting the buried housing on the bottom surface of the ceiling, and a connector 130 connecting the LED modules and the buried housing to each other.
  • the reflector 200 is the upper body and the lower opening is formed in the upper opening surface of the pyramid
  • the light emitting surface of the LED model is located and the buried housing is positioned on the lower opening 250 to reflect the light of the light emitting surface down to the ceiling, and to detachable from the buried housing.
  • An embodiment of the present invention relates to a buried body 100 that forms a buried lighting fixture.
  • the ripple detector 200 can be attached and detached from each other with the help of a hand without any tools.
  • the embedded lighting apparatus had to be removed from the ceiling and completely replaced.
  • the embedded lighting apparatus is different from the ceiling without removing the embedded lighting fixture from the ceiling. Only a simple operation of replacing the reflector is required. The following describes each component of the embedded lighting fixture.
  • the LED module 120 is a light source that emits light using an LED lamp and has a heat dissipation plate and a PCB board on which a plurality of LEDs are mounted.
  • the PCB substrate 122 and the heat dissipation plate 121 in which the plurality of LEDs 122 are mounted are integrated into the LED modules 120.
  • the heat sink 121 may have various shapes such as a cylinder, a square lamp, and the like.
  • the heat sink may be configured to efficiently discharge heat generated from a light source, as shown in the drawing.
  • a plurality of heat dissipation fins can be provided on the outer surface.
  • the LED modules also have a diffusion cover 124 attached to the PCB substrate in the direction of light emission of the LED to spread the light emitted from the LED evenly.
  • the light emitted from the LED modules can be made uniform;
  • the landfill housing 110 is a housing that is inserted into a ceiling buried groove.
  • the ceiling buried groove refers to a groove that is recessed in a ceiling so that a lighting device is embedded.
  • the housing 110 includes a ring body 112 having a border shape having a constant thickness, and a vertical protrusion 111 vertically protruding along the inner diameter of the ring body to be in contact with the side wall of the buried groove.
  • the ring body 112 has a diameter equal to or smaller than that of the buried groove so that it can be inserted into the buried groove.
  • the ring body 112 has a predetermined thickness so that the thickness of the ring body is exposed from the bottom of the buried groove.
  • the ring body 112 has a shape corresponding to the shape of the buried groove to be embedded. If the ceiling buried groove is a circular groove, the ring body 112 has a circular ring shape, and the ceiling buried groove is a square groove.
  • the buried housing has a rectangular ring shape.
  • the vertical protrusion 111 is vertically projected along the inner diameter of the ring body, so that when the buried housing is inserted into the buried groove, the protruded surface of the vertical protrusion is inserted into the sidewall of the buried groove and each other.
  • the catch 220 of the reflector 200 is caught on top of the vertical protrusion 111.
  • the connector 130 is a bar that connects the LED modules and the buried housing to each other.
  • the LED modules are coupled to the buried housing by a connector.
  • the connection can be implemented by combining the LED modules and the buried housing with one end and the other end of the connector respectively.
  • the connector can have a non-bar curve.
  • the connecting body 130, the LED modules 120, and the buried housing 110 may be manufactured in one piece.
  • the bracket 140 serves to fix the buried housing buried in the ceiling buried groove to the bottom surface of the ceiling.
  • the bracket 140 is buried in the ceiling buried. It is used to secure the buried housing to the ceiling to prevent it from falling later.
  • the bracket may be implemented in a variety of known ways, for example, the bracket 140 may be provided in the connecting body, the height of which is adjusted by tightening the screw, which is mainly used, the embedded housing is embedded in the buried groove When the screw is tightened, the bracket 140 connected to the bolt thread 141 is also moved along the screw line to lower the height position, and the lower end of the lowering bracket exerts a force on the ceiling bottom around the buried groove. By the pressing force, the buried housing can be fixed to the buried groove.
  • the bracket for fixing the buried housing buried in the buried groove of the ceiling to the floor of the ceiling can be a variety of ways.
  • the reflector 200 reflects the light from the LED modules.
  • the reflex 200 is a horn body having an upper and a lower part open, and the light emitting surface 120a of the LED module is located on the upper opening surface 240 of the horn body,
  • the light of the LED beams located on the upper opening surface 240 of the cone may pass through the upper and lower portions of the cone and emit light through the lower opening surface 250.
  • the horn body with the upper and lower openings may be implemented in various forms such as a square pyramid and a triangular pyramid.
  • the reflector 200 having a cone structure has an open upper portion.
  • the detachable means allows the reflector 200 to be easily attached or detached from the housing 100, and for this purpose, the frame 210 enclosing the side wall and protrudes from the frame ′ ⁇ And a locking body 220 having a stepped surface 222 and a guide surface 221 of a magnetic structure, and the stepped surface 222 of the locking body is caught by the vertical protrusion 111 so that the buried housing ( 100).
  • the guide surface 221 of the catching body follows the wall surface of the vertical protrusion 111, and the stepped surface 222 located at the end of the guide surface is attached.
  • the locking body 220 is made of polycarbonate or
  • the locking body 220 may be formed on a part of the reflector 200 to be manufactured integrally.
  • the reflector is coupled to the buried housing by the locking member 220 having a ⁇ shape.
  • the angle of bending of the stepped surface is not perpendicular to the reflector 200 so that the reflector 200 can be separated from the buried housing 100 with little force. That is, the group of the stepped surface 222 protruding and inclined from the frame 210 is the lower opening surface 250 It has a larger obtuse angle than the horizontal angle of the horizontally projected flange (112). Therefore, even if the obturator 220 of the reflector is caught by the vertical protrusion (ul ) of the buried housing due to the obtuse angle of the step surface, it can be easily separated by pulling the reflector downward by hand.
  • Figure 5 is coupled to a buried housing according to an embodiment of the present invention
  • the inner surface of the reflector is pulled down using the palm, and the stepped surface is bent at an obtuse angle larger than 90 degrees from the surface guide surface. As shown in Fig. 5 (c), the reflector is detached from the landfill housing.
  • the lower opening 250 of the reflector has a planar surface 201 that extends horizontally along the edge of the lower opening.
  • the flange surface 201 is in contact with the lower end of the ring body 110 of the buried housing.
  • the upper opening surface 240 has a light emitting surface 120a of the LED modules
  • the emitted light is passed through the inside of the pyramid side wall and down through the lower opening 250 of the pyramid, where the light emitted from the LED beams reflects from the inside of the side wall of the pyramid, resulting in a uniform distribution range and lower opening.
  • the distribution range indicates the distribution of light from the light source in a certain space, and the distribution range varies depending on the curvature of the inner side wall.
  • the side wall 230 is a connection surface connecting the upper and lower opening surfaces of the side walls.
  • the inner surface has a curvature.
  • the curvature refers to the degree of warpage of the inner surface of the side wall 230 of the reflector. Therefore, larger curvature means that the inner surface of the side wall is still linearized, while smaller curvature means that the inner surface of the side wall is closer to the shape of the isospheric curve.
  • the curvature of the inner surface of the side wall 230 of the reflector the distribution of light emitted from the light emitting surface is different. If the curve is large, the reflector side wall is straightened and the light distribution is not spread. On the contrary, when the curvature is small, the reflector side wall 230 is curved, so that the light distribution of the emitted light is not collected and spread.
  • FIG. 6 is the largest curvature
  • FIG. 7 is the next larger. 8 This curvature represents the distribution range at the smallest.
  • FIG. 6 it is shown that the distribution range of light distribution when the curvature is comparatively large and has a distribution range of 20 °.
  • the reflector having a curvature smaller than that of FIG. It can be seen that the inner surface of the sidewall has a light distribution range of 30 °, which is more curved than the reflector of Fig. 6.
  • a reflector with a curvature smaller than 7 shows that the inner surface of the side wall is more curved than the reflector of Fig. 7, so that it has a distribution range of 60 °, so the smaller the curvature, the wider the distribution range is. The more curvature, the narrower the distribution range.
  • embodiments of the present invention have different curvatures for each reflector.
  • the landfill housing can be combined with the first reflector having the first song corresponding thereto to have the first distribution range.
  • the second reflector with the second curvature Can be combined to have a second distribution range.
  • FIG. 10 shows a retractor in a buried housing according to an embodiment of the present invention.
  • the process of fastening is shown. After the filling groove is installed in the ceiling, the landfill housing is inserted into the landfill groove as shown in 10 (a). The landfill housing is then embedded as shown in 10 (b). If the screw connected to the bracket provided in the connector after being embedded in the screw is tightened, the height of the bracket connected to the screw will also be lowered, and the lower end of the lower bracket will exert a force on the ceiling bottom around the buried groove. Under this pressure, the buried housing can be fixed in the buried groove. After the retractor is inserted into the buried housing as shown in Fig. 10 (c), it is fixed by the stepped surface of the latching body, as shown in Fig. 10 (d). A fully assembled landfill lighting device can be installed as shown below. A protective cover 91 is attached to the lower opening 250 of the reflector, which protects the dust from entering during construction. The protective cover 91 is removed by the transparent material (PET), and then the pressure sensitive adhesive is removed. It is easy to attach and detach easily.
  • PET transparent material
  • the inner surface of the side wall of the reflector is coated with white paint to distribute the light distribution.
  • the white paint may be an oil paint used for resin (plastic raw material).
  • the inner surface of the side wall of the reflector can be formed to form a pattern.
  • the distribution of light distribution can be varied by the pattern formation.
  • the pattern formed on the inner surface of the side wall of the reflector can have various patterns, as shown in FIG.
  • a honeycomb can be formed on the inner surface of the side wall of the reflector to control the distribution of light.
  • a curved ripple detector structure having a curvature it is realized as a side wall of the reflector in various ways such as a spot, a narrow structure, and a diffuse structure (wide).
  • the reflector may be used in combination with the housing.
  • the reference figure 12 shows a photograph of a buried lighting apparatus in which various types of reflectors are coupled according to an embodiment of the present invention.
  • the reflector and the detachable means may be manufactured in one piece in addition to the detachable type. As shown in FIG. 13, the reflector and the detachable means are made of the same material.
  • FIG. 13 shows a photograph of a product in which the reflector and the detachable means are integrally manufactured.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

본 발명은 매립형 조명 기구에 관한 것으로서 조명 기구가 천정에 매립되어 있는 리플렉터를 포함한 조명 기구이다. 본 발명의 실시 형태는 천장의 매립홈에 삽입되는 매립 하우징과，상기 매립 하우징에 연결된 LED모듈과，상기 LED모듈과 매립 하우징을 서로 연결시키는 연결체와，상기 천장의 매립홈 에 매립된 매립 하우징을 천장의 바닥면에 고정시키는 브라켓과, 상하부가 개구된 뿔체로서, 뿔체의 상부 개구면에 LED모듈의 발광면이 위치하여 하부 개구면을 통해 발광하도록 상기 매립 하우징과의 탈착이 가능한 리플렉터를포함한다.

Description

명세서
발명의명칭:매립형조명기구
기술분야
[1] 본발명은매립형조명기구에관한것으로서조명기구가천정에매립되어 있는리플렉터를포함한조명기구이다.
배경기술
[2] 일반적으로,조명기구는실내외의벽면이나천장면등에부착되어어둠을 밝힌다는기능이외에건축공간을구성하는일부분으로서건축요소로쓰여 지고실내건축에서는인테리어분위기와어울리는악세사리의성격으로도 이용되는등다양한목적으로사용되고있으며이러한목적을달성하기위하여 조명장치는사용용도와구조적인형태에따라여러종류가다양하게사용되고 있다.
[3] 그중에서도근래에는건축구조물의외관또는실내공간등을조명을통하여 아름답고환상적인분위기를연출하도록하는조명기구들이있으며,이러한 형태의조명기구들은대부분본체가외부로노출되지않도록천장면및벽면 등에매립형으로설치되어설치부위가깔끔하도록하고다양한램프와 리플렉터를두어서,다양한방향과각도로서램프빛을발산할수있도록하는 매립형조명기구가사용되고있다.
[4] 도 1은 LED램프와리폴렉터로이루어진매립형조명기구를도시한그림이다.
[5] 도 1(a)와같이작은곡률을가지는리플렉터를사용할경우배광각도범위가 넓어져서 LED램프에서발광되는빛이넓게퍼질것이며,또한도 1(b)와같이큰 곡률을가지는리플렉터를사용할경우배광각도범위가좁아져서 LED 램프에서발광되는빛이좁아질것이다.
[6] 그런데，기존의매립형조명기구의경우 LED램프와리플렉터가일체형으로 되어있어서，램프의배광각도범위를달리하기위해서는매립형조명기구 전체를교체해서설치해야하는문제가있다.예컨대，조명기구가 70°의배광 각도범위를가지고있는데,이를 45°의배광각도를가지도록하기위해서는 매립형조명기구전체를교체해야하는문제가있다.이는자원재사용의 측면에서자원낭비가될뿐만아니라,천장에조명기구를다시매립해야하는 불편함이있었다.
발명의상세한설명
기술적과제
[7] 본발명의.기술적과제는조명기구전체를교체하지않고도배광분포범위를 다양하게할수있도록하는데있다.또한본발명의기술적과제는추가적인 공구를이용하지않고사람의손만으로도간편하게배광분포범위를변경할수 있도록하는데있다.또한본발명의기술적과제는배광분포범위변경시에 공구에의한조명기구의외관의손상을방지하는데있다.
과제해결수단
본발명의실시형태는천장의매립홈에삽입되는매립하우징과,상기매립 하우징에연결된 LED모들과,상기 LED모들과매립하우징을서로연결시키는 연결체와,상기천장의매립홈에매립된매립하우징을천장의바닥면에 고정시키는브라켓과，상하부가개구된뿔체로서,뿔체의상부개구면에 LED모들의발광면이위치하여하부개구면을통해발광하도록상기매립 하우징과의탈착이가능한리폴렉터를포함한다.
또한상기 LED모들은，복수개의 LED가장착된 PCB기판과,상기 PCB기판에 부착되어상기 LED에서발광되는빛을균일하게퍼뜨리는확산커버와,상기 LED에서발생되는열을외부로배출하는방열판을포함한다.
또한매립하우징은,두께를가지는테두리형태를가지는링체와,상기링체의 내경을따라서수직으로돌출형성된수직돌출체를포함한다.
또한리플렉터는,개구된상부개구면과,개구된하부개구면과，상부개구면과 하부개구면을잇는측벽과,상기매립하우징의수직돌출체와탄력적으로 탈착이가능하도록하는탈착수단을포함한다.또한하부개구면은,하부 개구면의테두리를따라수평으로확장된플랜지면을구비한다.
또한탈착수단은,상기측벽을감싸는테두리체와，상기테두리체에서 돌출되어 'ᅳ 1'자구조의단차면과가이드면을가지는걸림체를포함하며，상기 걸림체의단차면이상기수직돌출체에걸리도록하여상기매립하우징에 부착시킨다.
또한테두리체에서돌출되어기울어진단차면의기울기는상기하부 개구면에서수평으로돌출된플랜지면의수평각보다더큰둔각을가지도록 한다.
발명의효과
본발명의실시형태에따르면리플렉터만을교체함으로써매립형조명기구 전체를천장에서철거하지않고배광분포범위를변화시킬수있다.따라서 철거교체공사등이필요치않아손쉽게조명기구의배광분포범위를 변화시킬수있다.따라서배광분포범위변화를위한공사비용이절감될수 있다.또한별도의공구없이손만으로리플렉터를교체함으로써，공구에의한 조명기구의손상을방지할수있다.
도면의간단한설명
도 1은 LED램프와리플렉터로이루어진매립형조명기구에서리폴렉터의 곡률에따른배광각도의변화를도시한그림이다.
도 2는본발명의실시예에따른매립형조명기구를도시한사시도이다. 도 3은본발명의실시예에따른매립형조명기구의분해사시도이다.
Figure imgf000004_0001
도 4는본발명의실시예에따른 LED모들의분해단면도이다. [19] 도 5는본발명의실시예에따라매립하우징에결합되어있는리플렉터를 분리하는모습을도시한그림이다.
[20] 도 6，도 7,도 8은본발명의실시예에따라리플렉터측벽의내부면의곡률에 따른배광분포범위를도시한그래프이다.
[21] 도 9는본발명의실시예에따라리플렉터의측벽내부면에백색도료를코팅한 후의배광분포범위를도시한그래프이다.
[22] 도 10은본발명의실시예에따라서리플렉터를매립하우징에체결시키는 공정을도시한도면이다.
[23] 도 11은본발명의실시예에따라벌집형태를리플렉터의측벽내부면에
형성한모습을도시한그림이다.
[24] 도 12는본발명의실시예에따라다양한형태의리플렉터가결합된매립형 조명기구의사진이다.
[25] 도 13은리플렉터와탈착수단이일체형으로제작되어있는제품의사진을
도시한것이다.
발명의실시를위한최선의형태
[26] 이하，첨부된도면을참조하여본발명의실시예를더욱상세히설명하기로 한다.그러나본발명은이하에서개시되는실사예에한정되는것이아니라 서로다른다양한형태로구현될것이며，단지본실시예들은본발명의개시가 완전하도록하며，통상의지식을가진자에게발명의범주를완전하게알려주기 위해제공되는것이다.도면상에서동일부호는동일한요소를지칭한다.
[27] 도 2는본발명의실시예에따른매립형조명기구를도시한사시도이며，도 3은 본발명의실시예에따른매립형조명기구의분해사시도이며,도 4는본발명의 실시예에따른 LED모들의분해단면도이다.
[28] 매립형조명기구는천장에매립되어천장의하부를비추는조명기구를
말하는것으로서， LED모들에서발광되는빛은매립형조명기구의리플렉터에 반사되어천장의하부로반사된다.
[29] 본발명의실시예에따른매립형조명기구는 LED모들 (120)，매립하우징 (110), 연결체 (130),브라켓 (140)을포함한매립체 (100)와,빛을반사시키는반사갓등 연할을하는리플렉터 (200)를포함한다.상기매립체 (100)는빛을발광하는 LED모들 (120)와,천장의매립홈에삽입되는매립하우징 (110)과,천장의 매립홈에매립된매립하우징을천장의바닥면에지지시키는브라켓 (140)과, 상기 LED모들과상기매립하우징을서로연결시킨연결체 (130)를포함한다. 또한리플렉터 (200)는상하부가개구된쁄체로서뿔체의상부개구면에
LED모들의발광면이위치하고하부개구면 (250)에상기매립하우징이 위치하여상기발광면의빛을천장아래로반사하고，상기매립하우징과의 탈착이가능하도록한다.
[30] 본발명의실시예는매립형조명기구를이루는매립체 (100)와 리플텍터 (200)를별도의공구없이손의힘으로서서로부착및분리가능하도록 할수있다. LED모들 (120)에서발광되는빛의배광분포범위를다르게하기 위해서，종래에는매립형조명기구를천장에서뜯어내어완전히교체하여야 했으나,본발명에서는매립형조명기구를천장에서뜯어내지않고배광분포 범위를다르게하는리플렉터만을교체하는간단한작업만이필요하다.이하 매립형조명기구의각구성부에대하여상술한다.
[31] LED모들 (120)은 LED램프를사용하여빛을발산하는광원체로서，방열판과 복수개의 LED가장착된 PCB기판을구성부로가진다.복수개의 LED(123)가 장착된 PCB기판 (122)은방열판 (121)과결합된후구동전력을공급받아빛을 발광한다.경우에따라서복수개의 LED(122)가장착된 PCB기판 (122)과 방열판 (121)은일체형으로된 LED모들 (120)의구조를가진다.방열판 (121)의 구조는원기둥형,사각기등형등다양한형태의구조를가질수있다.또한 방열판은도시된바와같이광원에서발생되는열을외부로효율적으로배출할 수있도록외부면에복수개의방열핀을구비할수있다.또한 LED모들은 LED의 발광방향으로 PCB기판에부착되어상기 LED에서발광되는빛을균일하게 퍼뜨리는확산커버 (124)를구비한다.확산커버 (124)를통과함으로써
LED모들에서발광되는빛을균일하게할수있다.;
[32] 매립하우징 (110)은천장의매립홈에삽입되는하우징이다.상기에서천장의 매립홈은조명기구가매립되도록천장에파여진홈을말한다.매립
하우징 (110)은일정두께를가지는테두리형태를가지는링체 (112)와,상기 링체의내경올따라서수직으로돌출형성되어상기매립홈의측벽과접하는 수직돌출체 (111)를구비한다.
[33] 링체 (112)는매립홈의직경과같거나작은내경을가지고있어매립홈에삽입 가능하다.링체 (112)는소정의두께를가지고있어매립흠의저면에서링체의 두께면이노출된다.또한링체 (112)은매립되는매립홈의형태와대응되는 형태를가진다.만약천장의매립홈이원형홈인경우링체 (112)은원형의링 형태를가지며,천장의매립홈이사각홈인경우매립하우징은사각형의링 형태를가진다.수직돌출체 (111)는링체의내경을따라서수직으로돌출되어 있어,매립하우징이매립홈에삽입되면수직돌출체의돌출된면이매립홈의 측벽과서로마주보게된다.리플렉터를매립하우징에조립결합할때,수직 돌출체 (111)의상단에리플렉터 (200)의걸림체 (220)가걸리게된다.
[34] 연결체 (130)는 LED모들과매립하우징을서로연결시키는막대바로서,
LED모들은연결체에의하여매립하우징에결합된다.연결은 LED모들과매립 하우징을연결체의일단과타단에각각결합시켜구현할수있다.이밖에 연결체는막대바형태가아닌곡선형태를가질수있으며,경우에따라서는 연결체 (130)와 LED모들 (120)와매립하우징 (110)을일체형으로제작할수있다.
[35] 브라켓 (140)은천장의매립홈에매립된매립하우징을천장의바닥면에지지 고정시키는역할을한다.브라켓 (140)은매립하우징이천장의매립흠에매립된 후 낙하하지 않도록 천장에 매 립 하우징을 고정시키는데 사용된다. 브라켓은 공지된 다양한 방식으로 구현될 수 있는데，예를 들어 , 주로 사용되고 있는 나사 조임에 의해 높이가 조절되는 브라켓 (140)을 연결체에 구비할 수 있는데，매 립 하우징을 매 립홈에 매 립한 후 나사를 조이 게 되면 볼트 나사선 (141)에 연결된 브라켓 (140) 역시 나사선을 따라 움직여서 높이 위치가 낮아지게 되고, 낮아지는 브라켓의 하단이 매 립홈 주변의 천장 바닥면에 힘을 가하게 된다. 이 러한 가압력에 의하여 매 립 하우징 이 매 립홈에 고정될 수 있는 것이다. 이밖에 천장의 매 립홈에 매 립된 매 립 하우징을 천장의 바닥면에 고정시키는 브라켓은 다양한 방식 이 있을 수 있다.
[36] 리풀렉터 (200;반사갓)는 LED모들에서 나오는 빛을 반사시키는 기능을
수행하는데, 이 러한 리플렉터 (200)는 매 립 하우징과 손쉽 게 분리 착탈이 가능하도록 구현된다. 이를 위하여 리폴렉터 (200)는 상하부가 개구된 뿔체로서 , 뿔체의 상부 개구면 (240)에 LED모들의 발광면 (120a)이 위치하여 하부
개구면 (250)을 통해 발광하도록 상기 매 립 하우징 (100)과의 탈착이 가능하도록 한다. 따라서 뿔체의 상부 개구면 (240)에 위치한 LED모들의 빛이 뿔체의 상하부를 관통하여 하부 개구면 (250)을 통해 발광할 수 있다. 상기 상하부가 개구된 뿔체는 사각뿔체，삼각뿔체 등 다양한 형 태로 구현될 수 있다.
[37] 좀 더 상세하게는，뿔체 구조를 가지는 리플렉터 (200)는 개구된 상부
개구면 (240)과，개구된 하부 개구면 (250)과, 상부 개구면 (240)과 하부
개구면 (250)을 잇는 측벽 (230)과, 상기 매 립 하우징의 수직 돌출체 (111)와 탄력적으로 탈착이 가능하도록 하는 탈착 수단 (210,220)을 포함한다.
[38] 탈착 수단은 리플렉터 (200)를 매 입 하우징 (100)에 쉽 게 부착 또는 분리시 킬 수 있도록 하는데，이를 위하여 측벽을 감싸는 테두리체 (210)와, 상기 테두리체에서 돌출되어 'ᅳ Γ자 구조의 단차면 (222)과 가이드면 (221)을 가지는 걸림체 (220)를 포함하며 , 상기 걸림체의 단차면 (222)이 상기 수직 돌출체 (111)에 걸리도록 하여 매 립 하우징 (100)에 결합시킨다. 리플텍터 (200)를 매 립 하우징 (100)에 끼우게 되면，걸림체의 가이드면 (221)이 수직 돌출체 (111)의 벽면을 따르게 되며 가이드면의 끝단에 위치한 단차면 (222)이 매 립 하우징의 수직 돌출체 (111)의 상단에 걸리 게 되어，리플렉터 (200)를 매 립 하우징 (100)에 체결시 킬 수 있다. 단차면 (222)과 가이드면 (221) 사이의 각은 90도보다 작은 각도로 구현되며 , 걸림체 (220)는 폴리카보네이트 (polycarbonate) 또는
ABS수지 (acrylonitrile-butadiene-styrene resin)와 같은 플라스틱 재질로 이루어져 탄력성을 가진다. 또한 걸림체 (220)는 리플렉터 (200)의 일부에 형성하여 일체형으로 제작할 수 있다.
[39] 한편, ' π '자 구조의 걸림체 (220)에 의해 리플렉터가 매 립 하우징과 결합한
상태에서 , 리플렉터 (200)를 매 립 하우징 ( 100)으로부터 적은 힘으로 분리될 수 있도록 단차면의 꺽 임 각도를 직각되지 않게 한다. 즉, 테두리체 (210)에서 돌출되어 기울어진 단차면 (222)의 기을기는 상기 하부 개구면 (250)에서 수평으로돌출된플랜지면 (112)의수평각보다더큰둔각을가지도록한다. 따라서이러한단차면의둔각기을기로인하여리플렉터의걸림체 (220)가매립 하우징의수직돌출체 (ul)에걸려있다하더라도,손으로리플텍터를밑으로 잡아당기면쉽게분리될수있다.
[40] 참고로,도 5는본발명의실시예에따라매립하우징에결합되어있는
리플렉터를분리하는모습을도시한그림이다.도 5(a)와같이매립
하우징 (110)에리플렉터의걸림체 (220)의단차면이걸쳐져있는상태에서, 손바닥을이용하여리플렉터의안쪽면을아래로잡아당기면가이드면에서 90도보다큰둔각으로꺽여진단차면이도 5(b)와같이쉽게미끄려지게되고， 결국도 5(c)와같이리플렉터가매립하우징으로부터분리된다.
[41] 한편,리폴렉터의하부개구면 (250)은하부개구면의테두리를따라수평으로 확장된플랜지면 (201)을구비한다.매립하우징에리플렉터가결합조립될시에, 하부개구면 (250)의플랜지면 (201)은매립하우징의링체 (110)의하단부와 접하게된다.
[42] 상부개구면 (240)에는 LED모들의발광면 (120a)이위치하며， LED모들에서
발광되는빛이뿔체측벽내부를통과하여뿔체의하부개구면 (250)을통하여 아래로비추어진다.이때 LED모들의발광빛은뿔체의측벽내부면에서반사를 일으켜서일정배광분포범위를이루며하부개구면 (250)아래로비추어진다. 상기에서배광분포범위는어떤공간에있어서광원에서나오는빛의분포 상태를나타내는것으로서，측벽내부면의곡률에따라서배광분포범위가 달라진다.
[43] 측벽 (230)은상부개구면과하부개구면을잇는연결면으로서，측벽의
내부면은곡률 (curvature)을가진다.
[44] 본발명에서곡률은리플렉터의측벽 (230)의내부면의휨정도를나타낸다. 따라서곡률이크다는것은측벽의내부면아직선화됨을의미하고곡를이 작다는것은측벽의내부면이등근곡선의형태로가까워짐을의미한다.
[45] 이러한리플렉터의측벽 (230)의내부면의휨정도인곡률에따라서발광면에서 발광되는빛의분포상태가다르게된다.곡를이클경우에는리플렉터측벽이 직선화되어발광빛의배광분포가퍼지지않고집중되는효과를가지며,반대로 곡률이작을경우에는리플렉터측벽 (230)이곡선화되어발광빛의배광분포가 집증되지않고퍼지는효과를가진다.
[46] 도 6,도 7,도 8은본발명의실시예에따라리플렉터측벽의내부면의곡를에 따른배광분포범위를도시한그래프로서도 6가곡률이가장크며，도 7이그 다음으로크며,도 8이곡률이가장작을때의배광분포범위를나타낸다.
[47] 도 6를참고하면,곡률이비교적클때의배광분포범위를도시한것으로서 20°의배광분포범위를가짐을알수있다.또한도 7을참고하면,도 6보다더 작은곡률을가지는리플렉터는측벽의내부면이도 6의리플렉터보다곡선화를 이루어 30°의배광분포범위를가짐을알수있다.또한도 8을참고하면,도 - 7보다더작은곡률을가지는리플렉터는측벽의내부면이도 7의리플렉터보다 곡선화를이루어 60°의배광분포범위를가짐을알수있다.따라서작은곡률올 가질수록배광분포범위가넓어지며,큰곡률을가질수록배광분포범위가 좁아짐을알수있다.
[48] 결국，본발명의실시예는각리플렉터별로서로다른곡률을가지는
내부면으로구현됨으로써，배광분포를달리하고자하는경우매립하우징에 그에상웅하는제 1곡를을가지는제 1리플렉터를결합시켜제 1배광분포범위를 가지도록할수있다.마찬가지로제 2곡률을가지는제 2리플렉터를결합시켜 제 2배광분포범위를가지도록할수있다.
[49] 참고로，도 10은본발명의실시예에따라서리폴렉터를매립하우징에
체결시키는공정을도시한도면이다.천장에조명기구를설치할매립홈을 형성한후도 10(a)와같이매립하우징을매립홈에삽입한다.그후도 10(b)와 같이매립하우징을매립홈에매립한후연결체에구비된브라켓에연결된 나사를조이게되면나사에연결된브라켓역시높이위치가낮아지게되고, 낮아지는브라켓의하단이매립홈주변의천장바닥면에힘을가하게된다. 이러한가압력에의하여매립하우징이매립홈에고정될수있다.그후도 10(c)와같이리풀렉터를매립하우징에삽입하여걸림체의단차면에의한 고정이이루어지게한후，도 10(d)와같이완전조립된매립조명기구를설치할 수있다.리플렉터의하부개구면 (250)에는보호커버 (91)가부착되어있는데， 보호커버 (91)는리플렉터를매립설치할때공사중에먼지가인입되는것을 방지하며，아을러지문및정전기를방지하는역할을한다.따라서리풀렉터 매립이완료된후보호커버 (91)를제거한다.이를위하여보호커버 (91)는 투명재질 (PET)로구현되어감압성접착제로손쉽게탈부착분리가능하도록 한다.
[50] 한편，리플렉터의측벽내부면에는백색도료로코팅하여배광분포를
다르도록구현할수있다.예컨대，도 8과동일한곡를의측벽내부면을가지는 리플렉터라하더라도리플렉터의측벽내부면에백색도료 (백색페인트물질)로 코팅한다면배광분포를도 9와같이 75。범위로넓힐수있다.상기백색도료는 레진 (플라스틱원재료)에사용하는유성페인트등이사용될수있다.
[51] 한편，리플렉터의측벽내부면에는패턴이형성되도록구현할수있다.패턴 형성에의하여배광분포를달리할수있는것이다.리플렉터의측벽내부면에 형성되는패턴은다양한패턴을가질수있는데도 11에도시한바와같이벌집 형태등을리플렉터의측벽내부면에형성하여배광분포를조절할수있다.
[52] 한편，곡률을가지는곡선형의리플텍터구조를이용하여，집중구조 (spot), 좁힘구조 (narrow),확산구조 (wide)등으로다양하게리플렉터의측벽으로 구현하여사용용도에따라서매립하우징에상웅하는리플렉터를결합 체결시켜사용할수있다.참고로도 12는본발명의실시예에따라다양한 형태의리풀렉터가결합된매립형조명기구의사진을도시하였다. [53] 한편, 리플렉터와 탈착수단은 분리형 이외에 일체형으로 제작될 수 있는데，도 13에 도시한 바와 같이 리플렉터와 탈착수단은 동일 재질로서 하나의
일체형으로 제작될 수 있다. 이를 위하여 리플렉터와 탈착수단의 형상을 가지는 금형 (몰드)을 이용하여 일체형으로 사출시켜 제작할 수 있다. 참고로 도 13은 리플렉터와 탈착수단이 일체형으로 제작되어 있는 제품의 사진을 도시한 것이다.
[54] 본 발명을 첨부 도면과 전술된 바람직한 실시 예를 참조하여 설명하였으나，본 발명은 그에 한정되지 않으며，후술되는 특허청구범위에 의해 한정된다. 따라서 , 본 기술분야의 통상의 지식을 가진 자라면 후술되는 특허 청구범위의 기술적 사상에서 벗어나지 않는 범위 내에서 본 발명을 다양하게 변형 및 수정할 수 있다.

Claims

청구범위
Figure imgf000011_0001
천장의매립홈에삽입되는매립하우징;
상기매립하우징에연결된 LED모들;
상기 LED모들과매립하우징을서로연결시키는연결체； 상기천장의매립홈에매립된매립하우징을천장의바닥면에 고정시키는브라켓;
상하부가개구된뿔체로서,뿔체의상부개구면에 LED모들의 발광면이위치하여하부개구면을통해발광하도록상기매립 하우징과의탈착이가능한리플렉터;
를포함하는매립형조명기구.
청구항 1에있어서，상기리플렉터의하부개구면을밀폐하여 탈부착이가능한보호커버를포함하는매립형조명기구.
청구항 1에있어서,상기 LED모들은，
복수개의 LED가장착된 PCB기판;
상기 PCB기판에부착되어상기 LED에서발광되는빛을균일하게 퍼뜨리는확산커버;
상기 LED에서발생되는열을외부로배출하는방열판;
을포함하는매립형조명기구.
청구항 1에있어서，상기매립하우징은，
두께를가지는테두리형태를가지는링체;
상기링체의내경을따라서수직으로돌출형성된수직돌출체; 를포함하는매립형조명기구.
청구항 4에있어서,상기리플렉터는，
개구된상부개구면;
개구된하부개구면;
상부개구면과하부개구면을잇는측벽;
상기매립하우징의수직돌출체와탄력적으로탈착이가능하도록 하는탈착수단을포함하는매립형조명기구.
청구항 5에있어서，상기하부개구면은，하부개구면의테두리를 따라수평으로확장된플랜지면을구비한매립형조명기구. 청구항 5에있어서,상기탈착수단은,
상기측벽을감싸는테두리체;
상기테두리체에서돌출되어 'π'자구조의단차면과가이드면을 가지는걸림체;
를포함하며，상기걸림체의단차면이상기수직돌출체에 걸리도록하여상기매립하우징에부착시키는매립형조명기구.
Figure imgf000011_0002
청구항 7에있어서，테두리체에서돌출된단차면의기을기는상기 하부개구면에서수평으로돌출된플랜지면의수평각보다더큰 둔각을가지도록하는매립형조명기구.
[청구항 9] 청구항 5에있어서，상기측벽의내부면은리플렉터별로서로다른 곡률을가지는매립형조명기구.
[청구항 10] 청구항 9에있어서, LED모들의배광분포를증대시키고자하는 경우상기곡률이감소된측벽을가지는리플렉터를상기매립형 조명기구에설치하며， LED모들의배광분포를축소시키고자 하는경우상기곡률이증가된측벽의내부면을가지는
리플렉터를상기매립형조명기구에설치하는매립형조명기구. [청구항 11] 청구항 5에있어서，상기측벽의내부면에백색도료가코팅되어 있는매립형조명기구.
[청구항 12] 청구항 5내지청구항 11중어느하나의항에있어서，상기측벽의 내부면에패턴이형성되어있는매립형조명기구.
[청구항 13] 청구항 12에있어서,상기패턴은벌집형태로되어있는매립형 조명기구.
[청구항 14] 청구항 7에있어서，상기리플레터와탈착수단은하나의금형에 의해사출된일체형으로된매립형조명기구.
PCT/KR2012/003050 2012-04-17 2012-04-20 매립형 조명 기구 WO2013157682A1 (ko)

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