CN201973491U

CN201973491U - LED flat plate lamp

Info

Publication number: CN201973491U
Application number: CN2010206746728U
Authority: CN
Inventors: 戴明雷
Original assignee: NINGBO LIGHT SUN-OPTO TECHNOLOGY Co Ltd
Current assignee: NINGBO LIGHT SUN-OPTO TECHNOLOGY Co Ltd
Priority date: 2010-12-22
Filing date: 2010-12-22
Publication date: 2011-09-14
Anticipated expiration: 2020-12-22

Abstract

The utility model relates to a lamp, more concretely, especially relates to a LED flat plate lamp, which conquers the technical problems of the existing flat plate lamp that: complicated structure, high process difficulty and not good heat radiation performance. The LED flat plate lamp has features of simple structure, easy process, low cost and increased whole heat radiation performance by adding the heat radiation area of an outer side wall of a frame. The LED flat plate lamp comprises a frame, a light guide plate in the frame, LED patches arranged on the side surfaces of the light guide plate and between the light guide plate and the inner side wall of the frame, wherein one surface of the light guide plate is provided with a bottom plate, another end is provided with a dispersion plate, a reflection layer is arranged between the light guide plate and the bottom plate and the outer side wall of the frame is in the curved shape.

Description

The LED flat lamp

Technical field

The utility model relates to a kind of light fixture, more particularly, relates in particular to a kind of LED flat lamp.

Background technology

Now, the LED flat lamp is used widely, no matter be that civil equipment or military equipment all can use the LED flat lamp, and common people judge the performance quality of LED lamp is to come qualitatively according to its heat dispersion, therefore, heat dispersion is the important research project of a lot of LED light fixture manufacturer, the area of dissipation that directly increases housing on shell is a feasible and practical scheme, the Chinese patent notification number is CN201339877Y, the day for announcing is 2009, and the name of the utility model on January 20 is called the LED flat lamp, comprises lamp body and cover plate, the anaclasis body is housed in the lamp body, the LED illuminator is equipped with in anaclasis body both sides, light is housed below the anaclasis body and disperses body, above the anaclasis body reflective membrane is housed, above-mentioned utility model makes the LED lamp luminescence even, increase service life, but the heat dispersion of this LED flat lamp is very poor, does not only add fin, even the area of dissipation of lamp body own is also very little, influenced heat-sinking capability greatly.

Summary of the invention

The utility model main purpose is to overcome existing flat lamp complex structure, difficulty of processing height, and the bad technical problem of heat dispersion, provide a kind of simple in structure, handling ease, cost is low, by increasing the LED flat lamp that framework lateral wall area of dissipation improves whole heat-sinking capability.

Technical problem of the present utility model solves by following technical proposals: a kind of LED flat lamp, comprise framework, be provided with LGP in the described framework, described LGP side is equipped with the LED paster, described LED paster is between LGP and framework madial wall, and described LGP one end face is provided with base plate, and the other end is provided with diffuser plate, be provided with reflector layer between described LGP and the base plate, the lateral wall of described framework is the curved surface shape.Light is outwards launched from the LED paster, behind LGP, part light transmission LGP directive diffuser plate, another part directive reflector layer, the emission of process reflector layer is the directive optical waveguide layer once more, see through LGP directive diffuser plate then, diffuser plate can with light to around diffusion, thereby around illuminating, base plate can support the weight of reflector layer and LGP simultaneously, avoid reflector layer and LGP to drop, and the lateral wall of framework is the curved surface shape, increased area of dissipation so greatly, improved heat dispersion, removed other heat radiation original papers such as fin, made the LED flat lamp simple in structure, handling ease.

As preferably, described framework lateral wall is concavo-convex alternately shape, and described framework lateral wall is corrugated.Being concavo-convex alternately shape or undulatory framework lateral wall has increased the area of dissipation of framework greatly, has improved the heat dispersion of LED flat lamp.

As preferably, the edge cross section of described framework is " L " shape, and the madial wall of the edge of described framework is provided with draw-in groove.Well the position to diffuser plate, LGP, LED paster, reflector layer and base plate limits, diffuser plate just can with the draw-in groove clamping, base plate is connected with the lower end of the edge of framework, reflector layer and LGP are between diffuser plate and base plate, the position is defined, and makes easy for installation orderly.

As preferably, described framework edge is provided with slot, and the adjacent edge of described framework connects by folder is installed, and described installation folder is " L " shape, and two right-angle side both sides of described installation folder have the sawtooth breach.The slot that framework is filled in two adjacent edges respectively by two right-angle sides that folder is installed is formed by connecting, connect more convenient than the general welding manner that passes through, and energy savings, and the right-angle side that the sawtooth breach is arranged has stronger deformability, makes the easier edge of filling in framework of folder is installed.

As preferably, the front end of two right-angle sides of described installation folder is provided with chamfering.The chamfering of setting up helps the edge of filling in framework that folder is more prone to is installed, and certain guide effect is arranged, and makes easier for installation

As preferably, the adjacent edge of described framework is installed folder by two and is connected.It is more firm that the adjacent edge of framework is connected, and avoids because stressed and drop or be out of shape.

As preferably, be provided with froth bed between described base plate and the reflector layer.Froth bed can play the effect of buffering, sustains damage the influence illumination when avoiding reflector layer or LGP stressed.

Therefore; a kind of LED planar lamp of the present utility model is got ready and is stated beneficial effect: 1, simple in structure; saved fin; make processing more quick; 2, by two folder is installed and the edge of framework is coupled together not only easy for installation but also firm, saved the energy with respect to the connected mode of welding simultaneously, protected environment; 3, the lateral wall of framework is the curved surface shape has increased area of dissipation, has improved heat dispersion.

Description of drawings

Fig. 1 is a kind of partial structurtes schematic diagram of the present utility model,

Fig. 2 is the partial structurtes schematic diagram of a kind of edge of the present utility model,

Fig. 3 is a kind of profile of the edge of Fig. 2 framework,

Fig. 4 is a kind of structural representation of Fig. 1 edge lateral wall,

Fig. 5 is a kind of vertical view of the present utility model,

Fig. 6 is a kind of side view of installation folder of the present utility model,

Fig. 7 is a kind of structural representation that folder is installed of Fig. 6,

Fig. 8 is a kind of profile of embodiment 2 edges.

The 1-framework, the 2-diffuser plate, the 3-LGP, the 4-reflector layer, the 5-base plate, the 6-LED paster, the 7-froth bed, 8-installs folder, 9-slot, 10-draw-in groove.

The specific embodiment

Below by embodiment, and in conjunction with the accompanying drawings, the technical scheme of utility model is described in further detail.

Embodiment 1: as Fig. 1, shown in Figure 2, a kind of LED flat lamp, comprise framework 1, LGP 3 is installed in framework 1, four sides of LGP 3 all are equipped with LED paster 6, LED paster 6 is between framework 1 madial wall and LGP 3, end face at LGP 3 is equipped with diffuser plate 2, LGP 3 other ends are equipped with base plate 5, between base plate 5 and LGP 3, reflector layer 4 is installed, between reflector layer 4 and base plate 5, froth bed 7 is installed, play the effect of buffering, avoid when LGP 3 and reflector layer are stressed, being subjected to brokenly ring, the edge cross section of framework 1 is " L " shape (as shown in Figure 3), on the edge of framework 1, be manufactured with draw-in groove 10, diffuser plate 2 just is positioned at draw-in groove 10, so just do not need other detent mechanism that diffuser plate 2 is positioned, make quick and easy for installation, the lateral wall of the edge of framework 1 is concavo-convex alternately shape (as shown in Figure 4), this has increased the integral heat sink area of framework 1 greatly, can be good at the heat that LED paster 6 produces is distributed timely, framework 1 integral body is four limit row (as shown in Figure 5), diffuser plate 2, LGP 3, reflector layer 4 and froth bed 7 also all are four limit row, and LGP 3, reflector layer 4 is identical with the area of froth bed 7, diffuser plate 2 just can engage with the draw-in groove 10 on 1 four edges of framework, at the downside of the edge of framework 1 and the edge upside of framework 1 slot 9 is installed all, two adjacent edges are filled in slot 9 by installation folder 8 and are connected, by two the fastness that folder 8 connects has increased connection is installed, folder 8 is installed is " L " shape (as shown in Figure 6), on two right-angle sides that folder 8 is installed, have zigzag opening (as shown in Figure 7), this makes that folder 8 is installed increases the deformability that folder 8 is installed when filling in slot 9, front end at right-angle side has chamfering simultaneously, play the effect of guiding, make the folder 8 easier slots 9 of filling in are installed.

When LED paster 6 sends light ray, light ray is through LGP 3, part meeting propagation of rays plate 2, another part meeting directive reflector layer 4, reflector layer 4 is with light reflected back LGP 3, the light of reflection once more through LGP 3 directive diffuser plates 2 to around diffusion and around illuminating, the utility model increases area of dissipation by the concavo-convex framework that replaces 1 lateral wall, removed fin from, make whole manufacture craft simpler, reduced cost, and whole framework 1 all participates in heat radiation than only coming radiating effect better by fin.

Embodiment 2: as shown in Figure 8, a kind of LED flat lamp, the lateral wall of framework 1 is corrugated, is the area of dissipation that undulatory framework 1 lateral wall has increased framework 1 greatly, has improved heat dispersion, and other are identical with embodiment 1.

Claims

1. LED flat lamp, comprise framework (1), be provided with LGP (3) in the described framework (1), described LGP (3) side is equipped with LED paster (6), described LED paster (6) is positioned between LGP (3) and framework (1) madial wall, it is characterized in that, described LGP (3) one end faces are provided with base plate (5), the other end is provided with diffuser plate (2), be provided with reflector layer (4) between described LGP (3) and the base plate (5), the lateral wall of described framework (1) is the curved surface shape.

2. LED flat lamp according to claim 1 is characterized in that, described framework (1) lateral wall is concavo-convex alternately shape.

3. LED flat lamp according to claim 1 is characterized in that, described framework (1) lateral wall is corrugated.

4. according to claim 1 or 2 or 3 described LED flat lamp, it is characterized in that the edge cross section of described framework (1) is " L " shape, the madial wall of the edge of described framework (1) is provided with draw-in groove (10).

5. according to claim 1 or 2 or 3 described LED flat lamp, it is characterized in that, described framework (1) edge is provided with slot (9), the adjacent edge of described framework (1) connects by folder (8) is installed, described installation folder (8) is " L " shape, and two right-angle side both sides of described installation folder have the sawtooth breach.

6. LED flat lamp according to claim 5 is characterized in that, the front end of two right-angle sides of described installation folder (8) is provided with chamfering.

7. LED flat lamp according to claim 6 is characterized in that, the adjacent edge of described framework (1) is installed folder (8) by two and connected.

8. according to claim 1 or 2 or 3 described LED flat lamp, it is characterized in that, be provided with froth bed (7) between described base plate (5) and the reflector layer (4).