A kind of light distribution structure of LED Down lamp
Technical field
The utility model belongs to the LED lighting technical field, particularly a kind of LED Down lamp light distribution structure.
Background technology
Development along with the LED technology, the LED light fixture is more and more widely used as illuminating lamp, in the lighting apparatus field, the LED Down lamp has long service life, colour rendering index is high, the advantages such as energy savings, so the LED Down lamp is widely used in commercial lighting, lighting of home as a kind of illuminating lamp.At present, reflector of the general employing of LED Down lamp is placed led light source on the market in the middle of the reflector, realizes luminous intensity distribution by reflection and the spotlight effect of reflector, and some LED Down lamp is installed diffusion sheet or lens in order to realize uniform illumination effect at the light source front end.But there is following shortcoming in existing LED Down lamp: one, light source is exposed, and light fixture is attractive in appearance not; Two, the led light source direct irradiation produces dazzle; Though three, use lens or diffusion sheet illumination effect even, the light fixture light efficiency is lower.
The utility model content
The purpose of this utility model is in order to overcome the deficiency of above-mentioned technology, provide a kind of angle by two-layer or multilayer reflector to cooperate, and unique light source arrangement mode, realize the reflection of light effect, light is taken full advantage of without the optics dead angle, improve the light distribution structure of the LED Down lamp of light extraction efficiency, good visual effect.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions: a kind of LED Down lamp light distribution structure, and it includes light transmission piece, LED lamp plate, LED lamp plate carrier, outer reflector, internal layer reflector, internal layer reflector fixed part; Be provided with outer ring circular hole, centre circle circular hole, inner ring circular hole on the described LED lamp plate, and even annular arrangement led light source; Be provided with outer ring fixing hole and inner ring fixing hole on the described LED lamp plate carrier, wherein outer ring fixing hole and inner ring fixing hole are corresponding with outer ring circular hole and inner ring circular hole on the LED lamp plate respectively; It is corresponding with outer ring circular hole on the LED lamp plate to be provided with the first circular hole on the described outer reflector; It is corresponding with centre circle circular hole on the LED lamp plate to be provided with the second circular hole on the described internal layer reflector; It is corresponding with the second circular hole on the internal layer reflector to be provided with fixed leg on the described internal layer reflector fixed part, and it is corresponding with inner ring circular hole on the LED lamp plate to be provided with the fixing hole platform;
Described led light source is divided into outskirt led light source and inner region led light source two parts;
Described light transmission piece is positioned on the outer reflector.
Described LED lamp plate is positioned on the LED lamp plate carrier;
Described outer reflector is positioned on the LED lamp plate, passes the first circular hole, outer ring circular hole and outer ring fixing hole with the first screw, and outer reflector and LED lamp plate are fixed on the LED lamp plate carrier;
Described internal layer reflector is positioned in the middle of the outskirt led light source and inner region led light source of LED lamp plate;
Described internal layer reflector fixed part passes the second circular hole by fixed leg and the inner ring circular hole locates the internal layer reflector and be pressed on the LED lamp plate, passes fixing hole platform, the second circular hole and inner ring circular hole with the second screw the internal layer reflector is fixed on the LED lamp plate;
Described outer reflector adopts aluminium sheet manufacturing, inner surface polishing and plated film;
Described internal layer reflector adopts aluminium sheet manufacturing, outer surface and inner surface polishing and plated film;
Described light transmission piece adopts high printing opacity high-quality acryl or the manufacturing of high-quality PC material.
The utlity model has following beneficial effect:
1, this Down lamp light distribution structure is provided with two-layer or the multilayer reflector, by the angle cooperation of two-layer or multilayer reflector, and unique light source arrangement mode, realize the reflection of light effect, light is taken full advantage of without the optics dead angle, improve light extraction efficiency;
2, because the reflector of Down lamp light distribution structure adopts the aluminium sheet manufacturing, surface finish is processed and plated film, makes the Lamp cup surface produce high light effect, thereby improves spotlight effect;
3, because the light transmission piece of Down lamp light distribution structure adopts high printing opacity high-quality acryl or the manufacturing of high-quality PC material, can improve like this light transmission efficiency and light and shine more even;
4, because this LED Down lamp light distribution structure is provided with two-layer or the multilayer reflector, the dazzle defective that can avoid the led light source direct irradiation to produce has been hidden light source, and visual effect is better.
Description of drawings
Fig. 1 is decomposing schematic representation of the present utility model;
Fig. 2 is LED lamp plate schematic diagram of the present utility model;
Fig. 3 is LED lamp plate carrier schematic diagram of the present utility model;
Fig. 4 is outer reflector schematic diagram of the present utility model;
Fig. 5 is internal layer reflector schematic diagram of the present utility model;
Fig. 6 is internal layer reflector fixed part schematic diagram of the present utility model;
Wherein: 1. light transmission piece, 2.LED lamp plate, 3.LED lamp plate carrier, 4. outer reflector, 5. internal layer reflector, 6. internal layer reflector fixed part, 7. the first screw, 8. the second screw, 9. outer ring circular hole, 10. centre circle circular hole, 11. the inner ring circular hole, 12. outskirt led light sources, 13. inner region led light sources, 14. the outer ring fixing hole, 15. inner ring fixing holes, 16. first circular holes, 17. the second circular hole, 18. fixed legs, 19. fixing hole platforms.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail:
Such as Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, a kind of LED Down lamp light distribution structure, it includes light transmission piece 1, LED lamp plate 2, LED lamp plate carrier 3, outer reflector 4, internal layer reflector 5, internal layer reflector fixed part 6; Be provided with outer ring circular hole 9, centre circle circular hole 10, inner ring circular hole 11 on the described LED lamp plate 2, and even annular arrangement led light source; Be provided with outer ring fixing hole 14 and inner ring fixing hole 15 on the described LED lamp plate carrier 3, wherein outer ring fixing hole 14 and inner ring fixing hole 15 are corresponding with outer ring circular hole 9 and inner ring circular hole 11 on the LED lamp plate 2 respectively; It is corresponding with outer ring circular hole 9 on the LED lamp plate 2 to be provided with the first circular hole 16 on the described outer reflector 4; It is corresponding with centre circle circular hole 10 on the LED lamp plate 2 to be provided with the second circular hole 17 on the described internal layer reflector 5; It is corresponding with the second circular hole 17 on the internal layer reflector 5 to be provided with fixed leg 18 on the described internal layer reflector fixed part 6, and it is corresponding with inner ring circular hole 11 on the LED lamp plate 2 to be provided with fixing hole platform 19.
Described led light source is divided into outskirt led light source 12 and inner region led light source 13 two parts.
Described light transmission piece 1 is positioned on the outer reflector 4.
Described LED lamp plate 2 is positioned on the LED lamp plate carrier 3.
Described outer reflector 4 is positioned on the LED lamp plate 2, passes the first circular hole 16, outer ring circular hole 9 and outer ring fixing hole 14 with the first screw 7, and outer reflector 4 and LED lamp plate 2 are fixed on the LED lamp plate carrier 3;
Described internal layer reflector 5 is positioned in the middle of the outskirt led light source 12 and inner region led light source 13 of LED lamp plate 2;
Described internal layer reflector fixed part 6 passes the second circular hole 17 by fixed leg 18 and inner ring circular hole 11 locates internal layer reflector 5 and be pressed on the LED lamp plate 2, passes fixing hole platform 19, the second circular hole 17 and inner ring circular hole 11 with the second screw 8 internal layer reflector 5 is fixed on the LED lamp plate 2;
Described outer reflector 4 adopts aluminium sheet manufacturing, inner surface polishing and plated film;
Described internal layer reflector 5 adopts the aluminium sheet manufacturing, and outer surface and inner surface polishing and plated film reach high light effect;
Described light transmission piece 1 adopts high printing opacity high-quality acryl or high-quality PC material to make, and improves light transmission efficiency.
Above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit, although with reference to previous embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, it still can be made amendment to the technical scheme of previous embodiment record, or its part technical characterictic is equal to replacement, and these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of technical solutions of the utility model.