WO2014041809A1 - Appareil d'éclairage - Google Patents

Appareil d'éclairage Download PDF

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Publication number
WO2014041809A1
WO2014041809A1 PCT/JP2013/005418 JP2013005418W WO2014041809A1 WO 2014041809 A1 WO2014041809 A1 WO 2014041809A1 JP 2013005418 W JP2013005418 W JP 2013005418W WO 2014041809 A1 WO2014041809 A1 WO 2014041809A1
Authority
WO
WIPO (PCT)
Prior art keywords
power supply
light emitting
supply unit
lighting fixture
emitting unit
Prior art date
Application number
PCT/JP2013/005418
Other languages
English (en)
Japanese (ja)
Inventor
片山　尚武
拓也 北川
Original Assignee
パナソニック株式会社
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
Application filed by パナソニック株式会社 filed Critical パナソニック株式会社
Priority to CN201390000704.8U priority Critical patent/CN204704712U/zh
Publication of WO2014041809A1 publication Critical patent/WO2014041809A1/fr

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Classifications

    • 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
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • F21V23/023—Power supplies in a casing
    • 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
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
    • F21Y2103/33—Elongate light sources, e.g. fluorescent tubes curved annular
    • 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 a lighting apparatus that irradiates light from a frame-shaped light emitting portion downward.
  • a lighting fixture using an LED unit having an LED light source as a light emitting unit is known (for example, see Patent Document 1).
  • a lighting fixture 100 described in Patent Document 1 includes a fixture main body 102 installed on a fixture mounting surface 101, a light source body 103 made of a semiconductor light emitting element, a lens body 104, a reflection A body 105 and a globe 106 are included.
  • the luminaire 100 is provided with an adapter 108 that is detachably installed on a hook ceiling 107 that is installed on a fixture mounting surface 101 such as a ceiling, at a substantially central portion of the fixture main body 102.
  • the luminaire 100 is installed by being electrically and mechanically supported by the hook ceiling 107 by engaging the adapter 108 with the hook ceiling 107 provided on the fixture mounting surface 101.
  • the luminaire 100 includes a lighting device 109 for lighting the light source body 103 in a space around the adapter 108.
  • the light source body 103 is formed in a straight line shape, and is provided on the outer edge of the opposite side of the instrument body 102.
  • the reflector 105 has a flat plate shape in which a metal such as an iron plate is coated with white paint, and both ends face the two light source bodies 103 and the light source body 103.
  • the reflector 105 has an inclined portion 110 that is gradually and gradually inclined from the intermediate portion toward the substantially central portion of the instrument main body 102.
  • the light source body 103 is turned on so that the lens body 104 emits light in a substantially parallel direction, that is, toward the inclined portion 110 of the reflector 105, and is further reflected by the reflector 105 to be reflected in the globe.
  • 106 is irradiated from the inner surface side. Thereby, the lighting fixture 100 illuminates with substantially uniform brightness over the entire room.
  • the power supply unit is arranged at the center of the light emitting unit arranged in a frame shape.
  • the thickness of the power supply unit is large, if the mounting surface of the light emitting unit and the mounting surface of the power supply unit are the same surface, the power supply unit protrudes larger than the light emitting unit, and light from the light emitting unit is emitted. There was a problem that there was a risk of blocking and shadowing.
  • the present invention has been made to solve the conventional problems, and even if the mounting surface of the frame-shaped light emitting unit and the mounting surface of the power supply unit provided in the center of the light emitting unit are the same surface, a shadow is produced. It aims at providing the lighting fixture which is hard to produce.
  • the lighting fixture of the present invention includes a fixture main body attached to a surface to be attached, a substantially box-shaped power supply portion provided on a main surface of the fixture main body opposite to the attachment surface, and around the power supply portion.
  • a light emitting unit provided, and a height of the power source unit is higher than a height of the light emitting unit, a light emitting unit mounting surface on which the light emitting unit on the main surface is mounted, and the power source unit on the main surface
  • the power supply part mounting surface to be attached is along substantially the same plane, and the power supply part has an upper surface substantially parallel to the main surface and an inclined surface intersecting the main surface.
  • the inclined surface has an obtuse angle with respect to the upper surface.
  • the light emitting section has a plurality of planar C-shaped circuit boards, the longitudinal ends of the circuit boards are spaced apart from each other, and the inclined surfaces are longitudinal in the circuit boards. It is arrange
  • the power supply unit has a light emitting unit mounting surface provided on the main surface of the instrument body and an upper surface substantially parallel to the power supply unit mounting surface, and an inclined surface intersecting the upper surface and the main surface. Therefore, the light irradiated along the slope is not blocked by the power supply unit. For this reason, even if a light emission part attachment surface and a power supply part attachment surface are in the substantially same surface, the lighting fixture which has the effect that it is hard to produce a shadow can be provided.
  • the disassembled perspective view of the lighting fixture of embodiment which concerns on this invention The vertical sectional view of the lighting fixture of an embodiment concerning the present invention
  • Vertical section of power supply (A) is a bottom view showing an arrangement of an L-shaped circuit board and a power supply unit
  • or (F) is a perspective view which shows the modification of a block case Vertical sectional view of a conventional lighting fixture Bottom view of conventional lighting equipment
  • the luminaire 10 can be used to illuminate the lower part by being attached to, for example, a ceiling surface 11 that is an attached surface.
  • the lighting fixture 10 has a fixture body 20 that is attached to the ceiling surface 11.
  • a circular frame-shaped LED light emitting part (light emitting part) 30A is provided in the peripheral part around the central part of the lower surface 21 (main surface) of the instrument main body 20, and the LED light emitting part which is the central part of the instrument main body 20
  • a substantially box-shaped power supply unit 40 is provided inside 30A.
  • Both the LED light emitting unit 30 ⁇ / b> A and the power supply unit 40 are attached to a main surface (hereinafter referred to as a lower surface 21) that is a surface opposite to the mounted surface side of the instrument body 20. That is, the light emitting portion mounting surface and the power source mounting surface are substantially on the same plane.
  • the shade 50 is attached to the irradiation direction (henceforth "downward") in the instrument main body 20 so that 30 A of LED light emission parts and the power supply part 40 may be covered.
  • the instrument main body 20 has a disk shape, and three or more (for example, three) support projections 22 having a truncated cone shape projecting in the direction opposite to the irradiation direction (upward) are provided on the outer peripheral edge. ing. In a state where the instrument body 20 is attached to the ceiling surface 11, the upper surface of the support convex portion 22 contacts the ceiling surface 11. In addition, a plurality of (two in this case) shade support fittings 23 for attaching the shade 50 are provided on the outer peripheral edge of the instrument body 20.
  • the LED light emitting unit 30A includes a plurality of circuit boards 31A having a substantially plane C shape.
  • two substantially semicircular circuit boards 31A are arranged to form a circular frame as a whole.
  • a plurality of LEDs 32 are appropriately arranged on each circuit board 31A. Further, both circuit boards 31A are spaced apart from each other in the longitudinal direction, and a gap 33 is provided between adjacent ends.
  • the LED light emitting unit 30A includes a translucent cover 34 (hereinafter referred to as a lens 34) in the irradiation direction of the circuit board 31A.
  • a translucent cover 34 hereinafter referred to as a lens 34
  • the lens 34 having a lens function for widening the light distribution is used as the cover.
  • the present invention is not limited to this, and a translucent cover having no lens function may be used.
  • a cover having a diffusion function and the like may be used.
  • the lens 34 is provided in a ring shape corresponding to the circular frame shape of the circuit board 31 ⁇ / b> A, and the mounting projection 35 projecting outward from the outer periphery and the mounting projection 35 projecting inward from the inner periphery are screwed to the instrument body 20. Stop and fix.
  • the power supply unit 40 is connected to a power supply line (not shown) wired from the back side of the ceiling surface 11, and supplies power to each circuit board 31A.
  • the power supply unit includes a rectangular frame-shaped base plate 41 attached to the lower surface 21 of the instrument body 20 and a block case 42A that covers the base plate 41 from below in the center of the circular frame-shaped circuit board 31A.
  • the height of the power supply unit including the protective block case 42A is set higher than the height position where the light emitting unit exists.
  • the base plate 41 incorporates, for example, an electrical component 43 such as an inverter for converting a commercial alternating current supplied from a power supply line into a direct current power and supplying it to the circuit board 31A.
  • the base plate 41 has a mounting piece 411 raised upward from the four sides.
  • the block case 42A is fitted on the mounting piece 411 and attached with a screw (not shown) to form a box shape. Is done.
  • the block case 42 ⁇ / b> A has a box shape with an open top, a side plate 44 that is substantially perpendicular to the base plate 41, and a light emitting unit mounting surface and a power source mounting surface.
  • the bottom plate (upper surface) 45 is substantially parallel to the lower surface 21 of the main body 20.
  • the crossing angle ⁇ of the slope 46 with respect to the bottom plate 45 is an obtuse angle, and the block case 42A has a pointed shape downward (see FIG. 4).
  • the side having the slope 46 that is, the short side of the block case 42A faces the gap 33 provided between the circuit boards 31A.
  • the shade 50 is made of a milky white resin having translucency, for example, and has a circular shape with an upper opening (opening 51) and a central portion swelled downward.
  • a plurality (two in this case) of locking portions 52 project from the opening 51 of the shade 50 toward the inside of the opening 51 (see FIG. 3). Therefore, when attaching the shade 50 to the instrument main body 20, the shade 50 is rotated relative to the instrument main body 20, and the locking portion 52 of the shade 50 is locked by the shade support fitting 23 of the instrument main body 20. . Further, when removing the shade 50 from the instrument body 20, the shade 50 is rotated with respect to the instrument body 20, and the locking portion 52 of the shade 50 is detached from the shade support fitting 23 of the instrument body 20.
  • the effect of the lighting fixture of this invention is demonstrated.
  • the power supply unit mounting surface of the first and second power supply units is substantially on the same plane.
  • the power supply unit 40 includes a bottom plate 45 that is substantially parallel to the light emitting unit mounting surface and the power supply unit mounting surface, and has a slope 46 that intersects the bottom plate 45, the light emitting unit mounting surface, and the power supply unit mounting surface. .
  • the light irradiated along the inclined surface 46 is not blocked by the power supply unit 40, so that it is difficult for the shade 50 to be shaded. Further, since the irradiated light hits the slope 46 and is reflected downward, it is difficult for the shade 50 to be shaded.
  • the inclined surface 46 has an obtuse angle ( ⁇ ) with respect to the bottom plate 45, the inclination is gentle, and light hitting the inclination is reflected in the irradiation direction. For this reason, the shadow by the power supply unit 40 hardly occurs on the shade 50.
  • the LED light emitting unit 30A has a plurality of planar substantially C-shaped circuit boards 31A, but the longitudinal ends of the circuit boards 31A are arranged apart from each other. Since the gap 33 between the circuit boards 31A originally does not emit light, the slope 46 of the power supply unit 40 is disposed toward the gap 33, so that no shadow is formed.
  • the lighting fixture of the present invention is not limited to the above-described embodiment, and appropriate modifications and improvements can be made.
  • symbol is attached
  • the case of the circular frame shape is illustrated as the frame-shaped LED light emitting unit 30A, but the present invention can also be applied to a rectangular frame-shaped light emitting unit. That is, as shown in FIG. 5A, a pair of L-shaped circuit boards 31B can be combined to form a rectangular frame-shaped LED light emitting unit 30B.
  • a gap 33 is provided between both circuit boards 31 ⁇ / b> B, and the inclined surface 46 of the power supply unit 40 is disposed toward the gap 33.
  • a rectangular frame-shaped LED light emitting unit 30C can be formed by combining a pair of U-shaped circuit boards 31C.
  • the gap 33 is provided between the circuit boards 31 ⁇ / b> C, and the inclined surface 46 of the power supply unit 40 is disposed toward the gap 33.
  • the slope 46 is provided from the lower end of the side plate 441 on the short side to the bottom plate 45.
  • the shape of the block case is not limited to that described above.
  • the shape of the block case may be any shape as long as the crossing angle ⁇ of the slope 46 with respect to the bottom plate 45 is an obtuse angle and is pointed downward. Below, a typical modification is shown.
  • FIG. 6A to 6F show modified examples of the shape of the block case 42A of the power supply unit 40.
  • FIG. In order to display the shape in an easy-to-understand manner, a perspective view is shown with the bottom plate 45 side up.
  • the side plate 441 in the short side direction is not provided, and the entire short side surface is a slope 46.
  • the block case 42 ⁇ / b> C shown in FIG. 6B four slopes 46 are provided from the middle height position of the four side plates 44.
  • the block case 42 ⁇ / b> D shown in FIG. 6C all the side plates 44 on the four sides are inclined surfaces 46.
  • the whole is hemispherical and the whole is a slope 46, and the distinction between the side plate 44 and the bottom plate 45 is not clear.
  • the whole is a truncated cone shape and has a circular bottom plate 45.
  • the whole has a bowl-shaped slope 46, and the distinction between the side plate 44 and the bottom plate 45 is not clear.
  • Lighting equipment 11 Ceiling surface (attached surface) 20 Appliance body 21 Lower surface (light emitting part mounting surface, power source mounting surface provided on the main surface) 30A, 30B, 30C Light emitting part 31A, 31B, 31C Circuit board 40 Power supply part 45 Bottom plate (upper surface) 46 slope

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

Selon l'invention, une surface d'attachement de partie émettrice de lumière d'une partie émettrice de lumière en forme de cadre (30A) disposée sur une surface d'un corps d'appareil (20) à l'opposé d'une surface d'attachement (11) et une surface d'attachement de partie d'alimentation d'une unité d'alimentation sensiblement en forme de boîte (40) disposée sur la partie centrale de la partie émettrice de lumière (30A) sont sensiblement coplanaires. L'unité d'alimentation (40) a une plaque inférieure (45) sensiblement parallèle à la surface d'attachement de partie émettrice de lumière et à la surface d'attachement de partie d'alimentation, et une surface oblique (46) croisant la plaque inférieure (45), la surface d'attachement de partie émettrice de lumière et la surface d'attachement de partie d'alimentation. Par conséquent, une lumière dirigée à travers la surface oblique (46) n'est pas arrêtée par l'unité d'alimentation (40), réduisant l'incidence d'ombres.
PCT/JP2013/005418 2012-09-12 2013-09-12 Appareil d'éclairage WO2014041809A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201390000704.8U CN204704712U (zh) 2012-09-12 2013-09-12 照明器具

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012200409A JP2014056691A (ja) 2012-09-12 2012-09-12 照明器具
JP2012-200409 2012-09-12

Publications (1)

Publication Number Publication Date
WO2014041809A1 true WO2014041809A1 (fr) 2014-03-20

Family

ID=50277949

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/005418 WO2014041809A1 (fr) 2012-09-12 2013-09-12 Appareil d'éclairage

Country Status (3)

Country Link
JP (1) JP2014056691A (fr)
CN (1) CN204704712U (fr)
WO (1) WO2014041809A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103953882A (zh) * 2014-05-12 2014-07-30 谢娟 一种基于led灯带的亚克力吸顶灯
EP3037721A1 (fr) * 2014-12-22 2016-06-29 STEINEL GmbH Dispositif d'éclairage commandé par capteur
JP2018152362A (ja) * 2018-07-06 2018-09-27 パナソニックＩｐマネジメント株式会社 照明器具
EP4325112A1 (fr) 2022-08-16 2024-02-21 SG Armaturen AS Dispositif et système de fixation de luminaires encastrés

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5793273B1 (ja) * 2014-04-21 2015-10-14 アイリスオーヤマ株式会社 Ｌｅｄ照明装置
KR101904104B1 (ko) 2017-02-13 2018-10-05 이기용 엘이디 천장등
JP7018751B2 (ja) * 2017-12-07 2022-02-14 三菱電機株式会社 照明器具

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011192403A (ja) * 2010-03-11 2011-09-29 Mitsubishi Electric Lighting Corp 照明装置
JP2012104507A (ja) * 2012-02-17 2012-05-31 Toshiba Lighting & Technology Corp 照明器具

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5842440B2 (ja) * 2011-01-11 2016-01-13 東芝ライテック株式会社 照明器具

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011192403A (ja) * 2010-03-11 2011-09-29 Mitsubishi Electric Lighting Corp 照明装置
JP2012104507A (ja) * 2012-02-17 2012-05-31 Toshiba Lighting & Technology Corp 照明器具

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103953882A (zh) * 2014-05-12 2014-07-30 谢娟 一种基于led灯带的亚克力吸顶灯
EP3037721A1 (fr) * 2014-12-22 2016-06-29 STEINEL GmbH Dispositif d'éclairage commandé par capteur
JP2018152362A (ja) * 2018-07-06 2018-09-27 パナソニックＩｐマネジメント株式会社 照明器具
EP4325112A1 (fr) 2022-08-16 2024-02-21 SG Armaturen AS Dispositif et système de fixation de luminaires encastrés

Also Published As

Publication number Publication date
CN204704712U (zh) 2015-10-14
JP2014056691A (ja) 2014-03-27

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