CN105164465B - Luminaire - Google Patents
Luminaire Download PDFInfo
- Publication number
- CN105164465B CN105164465B CN201480021413.6A CN201480021413A CN105164465B CN 105164465 B CN105164465 B CN 105164465B CN 201480021413 A CN201480021413 A CN 201480021413A CN 105164465 B CN105164465 B CN 105164465B
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- China
- Prior art keywords
- reflecting plate
- main body
- substrate
- radiator
- cricoid
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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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/15—Thermal insulation
-
- 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
- F21S8/043—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures mounted by means of a rigid support, e.g. bracket or arm
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- 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
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
- F21V23/004—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
- F21V23/006—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board the substrate being distinct from the light source holder
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- 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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
-
- 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
-
- 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
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- 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]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Led Device Packages (AREA)
Abstract
The luminaire (100) of the application includes: main body (10), has hanging portion, and lower openings in upper center portion；Power supply device (20), the central interior for the opening configured in main body (10)；Reflecting plate (30) is configured in a manner of the opening entirety for covering main body (10)；Cricoid radiator (40) configures in the lower perimeter portion of reflecting plate (30)；Substrate (50) is configured in the lower part of radiator (40)；Multiple LED elements (51) configure in the face of the downside of substrate (50)；And cricoid diffusion shell (60), it is configured in a manner of covering LED element (51) in substrate (50) lower part, reflecting plate (30) includes: central portion (31), in the shape protruded to downside；It insulate maintaining part (32), the peripheral side of centrally located portion (31) and the distance of the lower end away from main body (10) is fixed；And protruding portion (33), positioned at insulation maintaining part (32) peripheral side and to main body (10) side it is prominent, the protruding portion (33) of main body (10) and reflecting plate (30) is fixed by fixed cell.
Description
Technical field
The present invention relates to luminaires.
Background technique
LED element is applied to in research the luminaire (so-called pendent lamp) hung from ceiling by rope in recent years
(for example, referring to patent document 1).
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2012-59455 bulletin
Summary of the invention
Subject to be solved by the invention
For luminaire above-mentioned, seeks the fever that LED has the problem of and make equally to shine with fluorescent lamp
Etc. further technological improvement.
Therefore, it is an object of the present invention to improve the previous pendent lamp for using LED element, provide technology excellent luminaire
Tool.
A technical solution to solve project
In order to reach the purpose, the first luminaire of the invention is characterised by comprising:
Main body has hanging portion, and the lower openings of the main body in upper center portion；
Power supply device, the central interior for the opening configured in the main body；
Reflecting plate is configured in a manner of the opening entirety for covering the main body；
Cricoid radiator configures in the lower perimeter portion of the reflecting plate；
Cricoid substrate is configured in the lower part of the radiator；
Multiple LED elements configure in the face of the downside of the substrate；And
Cricoid diffusion shell is configured in a manner of covering the LED element in the substrate lower part,
The reflecting plate includes:
Central portion, in the shape protruded to downside；
Insulate maintaining part, and positioned at the peripheral side of the central portion and the distance of the lower end away from the main body is fixed；With
And
Protruding portion, positioned at it is described insulation maintaining part peripheral side and to the main body side it is prominent,
The protruding portion of the main body and the reflecting plate is fixed by fixed cell.
Second luminaire of the invention is characterised by comprising:
Main body has hanging portion, and the lower openings of the main body in upper center portion；
Power supply device, the central interior for the opening configured in the main body；
Reflecting plate is configured in a manner of the opening entirety for covering the main body；
Cricoid radiator configures in the lower perimeter portion of the reflecting plate；
Cricoid substrate is configured in the lower part of the radiator；
Multiple LED elements configure in the face of the downside of the substrate；And
Cricoid diffusion shell is configured in a manner of covering the LED element in the substrate lower part,
The reflecting plate includes:
Central portion, in the shape protruded to downside；And
Peripheral part, positioned at the peripheral side of the central portion,
The exit portion that there is the diffusion shell light for issuing the LED element to be emitted to the reflecting plate side,
The central portion of the reflecting plate includes:
1st curved face part is protruded positioned at the peripheral part side and inwardly；And
2nd curved face part is protruded positioned at position more on the center side than the 1st curved face part and outward,
The intersection point of 1st curved face part and the 2nd curved face part is in the lower end of the exit portion of the diffusion shell substantially
Mutually level position.
Third luminaire of the invention is characterised by comprising:
Main body has hanging portion, and the lower openings of the main body in upper center portion；
Power supply device, the central interior for the opening configured in the main body；
Reflecting plate is configured in a manner of the opening entirety for covering the main body；
Cricoid radiator configures in the lower perimeter portion of the reflecting plate；
Cricoid substrate is configured in the lower part of the radiator；
Multiple LED elements configure in the face of the downside of the substrate；And
Cricoid diffusion shell is configured in a manner of covering the LED element in the substrate lower part,
The reflecting plate peripheral side include to main body side protruding portion outstanding,
The multiple LED element is configured in a manner of forming the cyclic annular column of two column or more in the face of the downside of the substrate,
The LED element of the cyclic annular column of peripheral side has a hot weld disk, the hot weld disk with close to the reflecting plate and described
The electrode conduction of the peripheral side of the contact site of radiator.
4th luminaire of the invention is characterised by comprising:
Main body has hanging portion, and the lower openings of the main body in upper center portion；
Power supply device, the central interior for the opening configured in the main body；
Reflecting plate is configured in a manner of the opening entirety for covering the main body；
Cricoid radiator configures in the lower perimeter portion of the reflecting plate；
Cricoid substrate is configured in the lower part of the radiator；
Multiple LED elements configure in the face of the downside of the substrate；And
Cricoid diffusion shell is configured in a manner of covering the LED element in the substrate lower part,
The radiator is divided into multiple.
Invention effect
First luminaire according to the present invention, reflecting plate have insulation maintaining part, thus in power supply device and are configured with
It can ensure higher insulating properties between the substrate of LED element, and reflecting plate has protruding portion, thus in the upside of radiator
The top of a part in face be formed with cavity, and heat dissipation area increases, and heat dissipation effect improves.
Second luminaire according to the present invention, by the way that the intersection point of the 1st curved face part of reflecting plate and the 2nd curved face part to be located at
With the position of the lower end roughly same height of the exit portion of diffusion shell, the light being emitted from the exit portion of the diffusion shell can be made
A part is reflected by the 1st curved face part of the reflecting plate in the central portion of the reflecting plate, and the reflecting plate central portion is made
Luminance is more uniform.
Third luminaire according to the present invention, in the face of the upside of substrate, described in being arranged in the ring-type with peripheral side
The mode that the corresponding position in the top of LED element contacts the radiator configures hot weld disk, thus, it is possible to improve heat dissipation effect, and
And simplify board structure.
4th luminaire according to the present invention, it is multiple by the way that radiator to be divided into, the forming of radiator can be cut down
The discarding amount of material.
Detailed description of the invention
Fig. 1 is the exploded perspective view for indicating an example of structure of luminaire of the invention.
Fig. 2 is the side perspective view for indicating an example of structure of luminaire of the invention.
Fig. 3 is the side perspective view for indicating the first luminaire of the invention.
Fig. 4 (a) is the side perspective view for indicating the second luminaire of the invention, and Fig. 4 (b) is to illustrate of the invention second
The side perspective view of the trend of light in luminaire.
Specific embodiment
In the following, the luminaire that present invention will be described in detail with reference to the accompanying.But the present invention is not limited to following explanations.Separately
Outside, in following FIG. 1 to FIG. 4, identical label is marked to identical part, and there is the case where the description thereof will be omitted.Also,
For ease of description, there is appropriate simplified the case where showing the construction of each section in the accompanying drawings, and be only to schematically illustrate respectively
Partial size ratio etc. there is a situation where different from reality.
[the 1st embodiment]
Fig. 1 is the exploded perspective view for indicating an example of structure of luminaire of the invention.Fig. 2 is to indicate photograph of the invention
The side perspective view of funerary objects tool.As depicted in figs. 1 and 2, the luminaire 100 of this example includes main body 10, power supply device 20, reflection
Plate 30, cricoid radiator (heat sink) 40, cricoid substrate 50, multiple LED elements 51 and cricoid diffusion shell 60.
Main body 10 has hanging portion 11, and lower openings in upper center portion.Hanging portion 11 has electric wire in inside.In
Main body 10 is set as cylindric but it is also possible to be other shapes such as cubic columns in Fig. 1, this is same for hanging portion 11.And
And reflecting plate 30, radiator 40, substrate 50 and diffusion shell 60 are also not necessarily limited to disk-shaped and circular, are also possible to rectangle
The other shapes such as plate and four directions ring-type.The main body of well known pendent lamp can be used in main body 10.
Power supply device 20 configures the open interior in main body 10.The power supply dress of well known pendent lamp can be used in power supply device 20
It sets.
Reflecting plate 30 configures in such a way that the opening for covering main body 10 is whole.Details about reflecting plate 30 is later
It is illustrated.
The cricoid configuration of radiator 40 is in the lower perimeter portion of reflecting plate 30.Example can be used in the forming material of radiator 40
Such as aluminium and its alloy, magnesium and its alloy, copper and its alloy metal.Also, the forming material of radiator 40 is also possible to for example
Resin containing high thermal conductivity filler.About the resin, for example, polycarbonate, nylon, PBT (poly- terephthaldehyde
Sour butanediol ester), PPS (polyphenylene sulfide) etc..The shape of radiator 40 is also possible to a piece of cricoid plate, but preferably such as Fig. 1 institute
Show cricoid plate made of being divided into the plate engagement of multiple (being 4 in Fig. 1).About its reason in embodiment 4
It is illustrated.
Face of the cricoid configuration of substrate 50 in the downside of radiator 40.Substrate 50 is also possible to a piece of cricoid plate, may be used also
To be cricoid plate made of being divided into the plate engagement of multiple (being 8 in Fig. 1) as shown in Figure 1.Substrate 50 can make
With well known LED substrate.
Face of multiple configurations of LED element 51 in the downside of substrate 50.LED element 51 is not particularly limited, can be used with
Past well known element, but preferred white LED.LED element 51 such as can be built in silicone resin in, and in the silicone resin
Disperse fluorophor.In such a state, such as by LED element 51 it is set as blue led, the fluorophor is set as yellow fluorescence
The assembly of body or red/green fluorophor, thus, it is possible to obtain white light.In addition, LED element 51 is set as near ultraviolet
LED (UV-LED) also can when the fluorophor to be set as to assembly (the RGB fluorophor) of red/green fluorophor
Obtain white light.The structure of substrate 50 is not particularly limited, if multiple LED elements 51 are configured in the face of downside, but
It is preferred that being configured in a manner of forming the cyclic annular column of two column in the face LED element 51 of downside as shown in Figure 1.In Fig. 1, in inside
32 LED elements 51 are configured in ring-type column, are configured with 64 LED elements 51 in cyclic annular column on the outside.But Fig. 1 is only
Example, the number of LED element 51 are not limited to example shown in FIG. 1.
Cricoid diffusion shell 60 is configured in a manner of covering LED element 51 in 50 lower part of substrate.Shape about diffusion shell 60
At material, allyl resin etc. can be enumerated with translucency, and there is the diffusible material etc. being creamy white.
It is not particularly limited about by reflecting plate 30, radiator 40, substrate 50 and the integrated method of diffusion shell 60, it can also
, can also be fixed by reflecting plate 30 and diffusion shell 60 to fix adjacent all parts, and radiator 40 and substrate 50 is made to be situated between
In between the two.Fixed cell is not particularly limited, and screw etc. can be used for example and be fixed.
Then, the reflecting plate 30 of the luminaire 100 (the first luminaire) of present embodiment is described in detail referring to Fig. 3.
In the present embodiment, reflecting plate 30 includes: central portion 31, in the shape protruded to downside；Insulate maintaining part 32, centrally located
The distance of the peripheral side in portion 31 and the lower end away from main body 10 is fixed；And protruding portion 33, positioned at the outer of insulation maintaining part 32
Side and prominent to 10 side of main body.
Reflecting plate 30 is fixed by fixed cell and main body 10 in protruding portion 33.The fixed cell is not particularly limited,
Such as it can be fixed with screw etc..
The forming material of reflecting plate 30 is not particularly limited, and common steel plate materials etc. can be used for example.Reflecting plate 30
Such as it can be made using method well known to punch process, punch press process etc..
As shown in figure 3, luminaire 100 according to the present embodiment, reflecting plate 30 has insulation maintaining part 32, thus exists
It can ensure higher insulating properties between power supply device 20 and substrate 50 configured with LED element 51.Also, as shown in figure 3, root
According to the luminaire 100 of present embodiment, reflecting plate 30 has protruding portion 33, thus at one of face of the upside of radiator 40
The top divided is formed with cavity, and heat dissipation area increases, and heat dissipation effect improves.
[embodiment 2]
The luminaire (the second luminaire) of Fig. 4 (a) expression present embodiment.In the luminaire of present embodiment
It is other identical as the luminaire of embodiment 1 in addition to reflecting plate 30 and diffusion shell 60 in 100.In the photograph of present embodiment
In funerary objects tool 100, reflecting plate 30 includes: central portion 31, in the shape protruded to downside；And peripheral part, centrally located portion 31
Peripheral side.In Fig. 4 (a), by the peripheral part be set as insulation maintaining part 32 as the luminaire of embodiment 1 and
Protruding portion 33, but in the present embodiment, as long as the shape of the peripheral part can cover the opening entirety of main body 10, do not have
There is particular determination, the shape other than being also possible to shown in Fig. 4 (a).Also, in the luminaire of present embodiment 100, diffusion
The exit portion 61 that there is cover 60 light for issuing LED element 51 to be emitted to 30 side of reflecting plate.
The central portion 31 of reflecting plate 30 includes: the 1st curved face part 31b, is located at the peripheral part side and protrudes (under inwardly
Side's observation is in the shape of falling R)；And the 2nd curved face part 31a, it protrudes positioned at position more on the center side than the 1st curved face part 31b and outward
(observing from below in positive R shape).As shown in the auxiliary line in Fig. 4 (a), the intersection point X of the 1st curved face part 31a and the 2nd curved face part 31b
The position of lower end roughly same height in the exit portion 61 with diffusion shell 60.
Then, the trend of the light in the luminaire 100 of present embodiment is illustrated referring to Fig. 4 (b).According to the present embodiment
Luminaire 100, using dotted arrow indicate LED element 51 issue light in, from the exit portion 61 of diffusion shell 60 be emitted
Light a part, according to shown in solid arrow the 1st curved face part 31b of reflecting plate 30 to the central portion of reflecting plate 30 reflect,
The luminance of 30 central portion of reflecting plate can be made more uniform.
[embodiment 3]
Illustrate the luminaire (third luminaire) of present embodiment referring to Figure 1 and Figure 3.In the illumination of present embodiment
In utensil 100, the structure of substrate 50 is different, further includes in peripheral side to 10 side of main body protruding portion 33 outstanding, and reflecting plate
As long as 30 shape can cover the opening entirety of main body 10, be not limited to example shown in Fig. 3, in addition to this with embodiment party
The luminaire of formula 1 is identical.In the luminaire 100 of present embodiment, multiple LED elements 51 are in the downside of substrate 50
The mode that face forms the cyclic annular column of two column configures.Also, in the luminaire of present embodiment 100, the cyclic annular column of peripheral side
LED element 51 have hot weld disk (thermal pad, not shown), the hot weld disk with close to reflecting plate 30 and radiator 40
The electrode (cathode or anode) of the peripheral side of contact site is connected.At this point, will be described outer according to the selection of the type of LED element 51
Which side the electrode of side is set as in cathode or anode.That is, LED element 51 if it is by by cathode and hot weld disk conducting come
Temperature is reduced, then the electrode of the peripheral side is set as cathode.On the other hand, LED element 51 is if it is by by anode and heat
Pad is connected to reduce temperature, then the electrode of the peripheral side is set as anode.Such as Fig. 1 example, usually LED element
The LED element 51 of the cyclic annular column of 51 a fairly large number of peripheral side has hot weld disk, and thus, it is possible to improve heat dissipation effect.Also,
Luminaire 100 according to the present embodiment, can also simplify the structure of substrate 50.
In the luminaire 100 of present embodiment, it can also be that the LED element 51 of the cyclic annular column of inner circumferential side has hot weld
Disk preferably in the LED element 51 of the cyclic annular column of inner circumferential side, makes hot weld disk in the case where considering the raising of heat dissipation effect
With the electrode conduction close to reflecting plate 30 and the central side of the contact site of radiator 40.On the other hand, in view of simplifying base
LED member in the case where the structure of plate 50, preferably in the LED element 51 of the cyclic annular column of inner circumferential side, with the cyclic annular column of peripheral side
As part 51, make the electrode conduction of hot weld disk and peripheral side.
[embodiment 4]
Illustrate the luminaire (the 4th luminaire) of present embodiment referring to Fig.1.The luminaire 100 of present embodiment
Other than the plate for being divided into multiple (they being 4 in Fig. 1) is connected and to form cricoid radiator 40, other and implementation
The luminaire of mode 1 is identical.It is multiple by the way that radiator 40 to be divided into, a piece of cricoid plate phase is fabricated to by radiator 40
Than the discarding amount of the forming material of radiator 40 can be cut down.
It is divided into 4 embodiments above and illustrates luminaire of the invention, but luminaire of the invention is also possible to
Have both the luminaire of the feature of the embodiment of any two or more.
The present invention is illustrated above by reference to embodiment, but the present invention is not limited to aforementioned embodiments.For of the invention
Structure and concrete condition, industry personnels can be carried out in purport of the invention it will be appreciated that various changes.
The present invention by based on the 2013-094122 Japanese patent application filed an application on April 26th, 2013 simultaneously
This is incorporated in its CLAIM OF PRIORITY, and by the full content of the original patent application.
Industrial availability
In accordance with the invention it is possible to the excellent luminaire that develops skill.Luminaire of the invention can be used in indoor photograph
It is bright equal widely on the way.
Label declaration
10 main bodys；11 hanging portions；20 power supply devices；30 reflecting plates；31 central portions；The 2nd curved face part of 31a；The 1st curved surface of 31b
Portion；32 insulation maintaining parts；33 protruding portions；40 radiators；50 substrates；51LED element；60 diffusion shells；61 exit portion；X intersection point.
Claims (3)
1. a kind of luminaire characterized by comprising
Main body has hanging portion, and the lower openings of the main body in upper center portion；
Power supply device, the central interior for the opening configured in the main body；
Reflecting plate is configured in a manner of the opening entirety for covering the main body；
Cricoid radiator configures in the lower perimeter portion of the reflecting plate；
Cricoid substrate configures in the face of the downside of the radiator；
Multiple LED elements configure in the face of the downside of the substrate；And
Cricoid diffusion shell is configured in a manner of covering the LED element in the lower part of the substrate,
The exit portion that there is the diffusion shell light for issuing the LED element to be emitted to the reflecting plate side,
The reflecting plate includes:
Central portion, in the shape protruded to downside；
Insulate maintaining part, and positioned at the peripheral side of the central portion and the distance of the lower end away from the main body is fixed；And
Protruding portion, positioned at it is described insulation maintaining part peripheral side and to the main body side it is prominent,
The central portion includes:
1st curved face part is protruded positioned at the peripheral part side and inwardly；And
2nd curved face part is protruded positioned at position more on the center side than the 1st curved face part and outward,
The main body and the protruding portion are fixed by fixed cell,
The reflecting plate has the protruding portion, is thus formed on the top of a part in the face of the upside of the radiator free
Hole,
The reflecting plate, the radiator, the substrate and the diffusion shell are by consolidating the reflecting plate and the diffusion shell
Determine and make the radiator and the substrate to be integrated between the reflecting plate and the diffusion shell.
2. a kind of luminaire characterized by comprising
Main body has hanging portion, and the lower openings of the main body in upper center portion；
Power supply device, the central interior for the opening configured in the main body；
Reflecting plate is configured in a manner of the opening entirety for covering the main body；
Cricoid radiator configures in the lower perimeter portion of the reflecting plate；
Cricoid substrate is configured in the lower part of the radiator；
Multiple LED elements configure in the face of the downside of the substrate；And
Cricoid diffusion shell is configured in a manner of covering the LED element in the substrate lower part,
The reflecting plate includes:
Central portion, in the shape protruded to downside；And
Peripheral part, positioned at the peripheral side of the central portion,
The exit portion that there is the diffusion shell light for issuing the LED element to be emitted to the reflecting plate side,
The central portion includes:
1st curved face part is protruded positioned at the peripheral part side and inwardly；And
2nd curved face part is protruded positioned at position more on the center side than the 1st curved face part and outward,
The intersection point of 1st curved face part and the 2nd curved face part is in roughly the same with the lower end of the exit portion of the diffusion shell
The position of height.
3. a kind of luminaire characterized by comprising
Main body has hanging portion, and the lower openings of the main body in upper center portion；
Power supply device, the central interior for the opening configured in the main body；
Reflecting plate is configured in a manner of the opening entirety for covering the main body；
Cricoid radiator configures in the lower perimeter portion of the reflecting plate；
Cricoid substrate configures in the face of the downside of the radiator；
Multiple LED elements configure in the face of the downside of the substrate；And
Cricoid diffusion shell is configured in a manner of covering the LED element in the lower part of the substrate,
The exit portion that there is the diffusion shell light for issuing the LED element to be emitted to the reflecting plate side,
The reflecting plate include in the central portion of shape protruded to downside and the peripheral part positioned at the peripheral side of the central portion,
The central portion includes:
1st curved face part is protruded positioned at the peripheral part side and inwardly；And
2nd curved face part is protruded positioned at position more on the center side than the 1st curved face part and outward,
The reflecting plate has protruding portion, is thus formed with cavity on the top of a part in the face of the upside of the radiator,
The reflecting plate, the radiator, the substrate and the diffusion shell are by consolidating the reflecting plate and the diffusion shell
Determine and make the radiator and the substrate to be integrated between the reflecting plate and the diffusion shell,
The multiple LED element is configured in a manner of forming the cyclic annular column of two column or more in the face of the downside of the substrate,
The LED element of the cyclic annular column of peripheral side has a hot weld disk, the hot weld disk with close to the reflecting plate and the heat dissipation
The electrode conduction of the peripheral side of the contact site of device.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013094122 | 2013-04-26 | ||
| JP2013-094122 | 2013-04-26 | ||
| PCT/JP2014/059740 WO2014175024A1 (en) | 2013-04-26 | 2014-04-02 | Lighting apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105164465A CN105164465A (en) | 2015-12-16 |
| CN105164465B true CN105164465B (en) | 2019-11-15 |
Family
ID=51791605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480021413.6A Active CN105164465B (en) | 2013-04-26 | 2014-04-02 | Luminaire |
Country Status (3)
| Country | Link |
|---|---|
| JP (2) | JP6272310B2 (en) |
| CN (1) | CN105164465B (en) |
| WO (1) | WO2014175024A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10234127B2 (en) * | 2016-02-08 | 2019-03-19 | Cree, Inc. | LED luminaire having enhanced thermal management |
| US10203103B2 (en) | 2016-02-08 | 2019-02-12 | Cree, Inc. | LED luminaire having enhanced thermal management |
| JP2019110045A (en) * | 2017-12-19 | 2019-07-04 | 有限会社シマテック | Lighting device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012004412A (en) * | 2010-06-18 | 2012-01-05 | Toshiba Lighting & Technology Corp | Light emitting device and lighting system |
| JP2012104476A (en) * | 2010-10-12 | 2012-05-31 | Toshiba Lighting & Technology Corp | Lighting device |
| JP2012146668A (en) * | 2012-02-17 | 2012-08-02 | Toshiba Lighting & Technology Corp | Lighting fixture |
| JP2012256434A (en) * | 2011-06-07 | 2012-12-27 | Sekisui Plastics Co Ltd | Light reflection plate, and lighting device |
| CN202733486U (en) * | 2011-06-03 | 2013-02-13 | 东芝照明技术株式会社 | Lighting fixture |
| CN202884522U (en) * | 2011-07-29 | 2013-04-17 | 东芝照明技术株式会社 | Light-emitting device and lighting appliance |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008300203A (en) * | 2007-05-31 | 2008-12-11 | Toshiba Lighting & Technology Corp | Luminaire |
| JP2012059455A (en) * | 2010-09-07 | 2012-03-22 | Sharp Corp | Lighting system |
| JP5557162B2 (en) * | 2011-01-26 | 2014-07-23 | 東芝ライテック株式会社 | Light emitting device and lighting apparatus |
| JP2013037802A (en) * | 2011-08-04 | 2013-02-21 | Toshiba Lighting & Technology Corp | Lighting fixture |
| JP5726680B2 (en) * | 2011-08-29 | 2015-06-03 | 日立アプライアンス株式会社 | LED lighting device |
| JP5557063B2 (en) * | 2012-07-12 | 2014-07-23 | 東芝ライテック株式会社 | lighting equipment |
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2014
- 2014-04-02 WO PCT/JP2014/059740 patent/WO2014175024A1/en active Application Filing
- 2014-04-02 JP JP2015513651A patent/JP6272310B2/en active Active
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012004412A (en) * | 2010-06-18 | 2012-01-05 | Toshiba Lighting & Technology Corp | Light emitting device and lighting system |
| JP2012104476A (en) * | 2010-10-12 | 2012-05-31 | Toshiba Lighting & Technology Corp | Lighting device |
| CN202733486U (en) * | 2011-06-03 | 2013-02-13 | 东芝照明技术株式会社 | Lighting fixture |
| JP2012256434A (en) * | 2011-06-07 | 2012-12-27 | Sekisui Plastics Co Ltd | Light reflection plate, and lighting device |
| CN202884522U (en) * | 2011-07-29 | 2013-04-17 | 东芝照明技术株式会社 | Light-emitting device and lighting appliance |
| JP2012146668A (en) * | 2012-02-17 | 2012-08-02 | Toshiba Lighting & Technology Corp | Lighting fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018078115A (en) | 2018-05-17 |
| WO2014175024A1 (en) | 2014-10-30 |
| JP6272310B2 (en) | 2018-01-31 |
| JP6508556B2 (en) | 2019-05-08 |
| CN105164465A (en) | 2015-12-16 |
| JPWO2014175024A1 (en) | 2017-02-23 |
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Effective date of registration: 20200219 Address after: Tokyo, Japan Patentee after: Fluorescein lux Co., Ltd Address before: Tokyo, Japan Patentee before: NEC LIGHTING, Ltd. |