CN203489107U

CN203489107U - LED down lamp

Info

Publication number: CN203489107U
Application number: CN201320630990.8U
Authority: CN
Inventors: 吕浩
Original assignee: ANHUI WONDERFUL ELECTRON CO LTD
Current assignee: ANHUI WONDERFUL ELECTRON CO LTD
Priority date: 2013-10-14
Filing date: 2013-10-14
Publication date: 2014-03-19
Anticipated expiration: 2023-10-14

Abstract

An LED down lamp comprises a face shell and a rear cover. The face shell is cylindrical, the top face of the face shell is connected with the rear cover in a matched mode, and the longitudinal section of the rear cover is in an inverse bowl shape. The LED down lamp further comprises an area light source body, a plastic ring, a reflection cup and sheet glass. The sheet glass is arranged on the top face of a threaded connection piece on the lower end of the face shell and in a round plate shape. The reflection cup is arranged on the top face of the sheet glass, and the reflection cup is in the inverse disc shape with the top open. An annular body is arranged on the outer wall of the top of the reflection cup, the plastic ring is arranged in the annular body and in a circular shape, and three ejector pins are evenly distributed on the top face of the plastic ring in the radial direction. The area light source body is arranged at the circular position of the plastic ring in a hoop mode and in a disc shape, and the bottom of the area light source body is provided with a spherical light-emitting face plate. The rear cover is arranged on the top face of the area light source body, and three installation holes in the rear cover are formed in the three ejector pins of the plastic ring in a matched and sleeved mode.

Description

A kind of LED Down lamp

Technical field

The utility model relates to lighting technical field, refers in particular to a kind of LED Down lamp.

Background technology

Along with the deep popularization of energy-saving and emission-reduction, LED light fixture is to the trend development of low price, high light efficiency.At present, various types of LED Down lamps on market, have been there are.It is in parallel in a light fixture that but the Down lamp on market increases the method for brightness or series connection plurality of LEDs increases brightness, radiator structure in light fixture is still the die casting aluminum hull of simplicity of design, the defect of this design is that light efficiency is low, poor radiation, assembling are inconvenient, does not make full use of energy-efficient, economic, the long-lived feature of LED.

Utility model content

Light efficiency for existing LED Down lamp is low, the drawback of poor radiation, and the utility model provides that light efficiency is high, good heat dissipation, long a kind of LED Down lamp of life-span.

The utility model is achieved through the following technical solutions:

A LED Down lamp, comprises face-piece 1 and bonnet 7; Described face-piece 1 is cylindric, and face-piece 1 inwall is provided with step, and the bottom of face-piece 1 step is provided with stepped ring screw connector 11; On the end face of face-piece 1, be connected with bonnet 7; The longitudinal section of described bonnet 7 is the bowl-shape of back-off, and the lateral wall of bonnet 7 bottoms is connected with the madial wall at face-piece 1 top, in addition, is also provided with surface light source unit 5, plastic ring 4, reflector 3 and sheet glass 2.The end face that is positioned at the ring screw connector 11 of face-piece 1 inner side is provided with sheet glass 2, and this sheet glass 2 is discoideus.On the end face of sheet glass 2, be provided with reflector 3, the top that this reflector 3 is the discoid and reflector 3 of back-off is provided with the loophole running through.At the top of reflector 3, be provided with annular solid 31 along loophole outside; Circular plastic ring 4 is laid at top at the reflector 3 of annular solid 31 inner sides, and at the top of plastic ring 4, hoop is provided with surface light source unit 5; In the form of annular discs and the bottom of described surface light source unit 5 is provided with the luminescent panel 51 that is dome shape; The end face of surface light source unit 5 contacts with the top of bonnet 7.

useful technique effect:

1) this product adopts surface light source unit to substitute single or many s' LED lamp pearl, and luminous intensity is high, even, free from glare, and the space taking is little;

2) this product is provided with bonnet, effectively guarantees under surface light source unit in working order, all the time in lower temperature environment, to guarantee job stability and the durability of surface light source unit;

3) this product structure is simple, with low cost, applicable batch production and popularization.

Accompanying drawing explanation

Fig. 1 is decomposition texture schematic diagram of the present utility model.

Fig. 2 is the longitudinal sectional view after Fig. 1 assembles.

Sequence number in accompanying drawing :face-piece 1, sheet glass 2, reflector 3, plastic ring 4, surface light source unit 5, spring fastener 6, bonnet 7, ring screw connector 11, annular solid 31, luminescent panel 51,

the specific embodiment:

Referring to Fig. 1, a kind of LED Down lamp, comprises face-piece 1 and bonnet 7; Described face-piece 1 is cylindric, and face-piece 1 inwall is provided with step, and the bottom of face-piece 1 step is provided with stepped ring screw connector 11; On the end face of face-piece 1, be connected with bonnet 7; The longitudinal section of described bonnet 7 is the bowl-shape of back-off, and the lateral wall of bonnet 7 bottoms is connected with the madial wall at face-piece 1 top, in addition, is also provided with surface light source unit 5, plastic ring 4, reflector 3 and sheet glass 2.The end face that is positioned at the ring screw connector 11 of face-piece 1 inner side is provided with sheet glass 2, and this sheet glass 2 is discoideus.On the end face of sheet glass 2, be provided with reflector 3, the top that this reflector 3 is the discoid and reflector 3 of back-off is provided with the loophole running through.At the top of reflector 3, be provided with annular solid 31 along loophole outside; Circular plastic ring 4 is laid at top at the reflector 3 of annular solid 31 inner sides, and at the top of plastic ring 4, hoop is provided with surface light source unit 5; In the form of annular discs and the bottom of described surface light source unit 5 is provided with the luminescent panel 51 that is dome shape; The end face of surface light source unit 5 contacts with the top of bonnet 7.

The end face radial equipartition of this plastic ring 4 has three thimbles, bonnet 7 inside top have a ventilating opening and three installing holes, the position of the installing hole of bonnet 7 is corresponding with the position of thimble on plastic ring 4, by thimble, with engaging of installing hole, bonnet 7 and plastic ring 4 is interfixed.

Referring to Fig. 1, the diameter of described sheet glass 2 is identical with the diameter of reflector 3 lower edges, and the diameter of sheet glass 2 is identical with the internal diameter of face-piece 1; In addition, described bonnet 7 and face-piece 1 are metal material.

Referring to Fig. 2, the top of bonnet 7 is provided with cylindrical heat radiation nail, and bonnet 7 tops are also provided with line ball hole clipping.

Referring to Fig. 1, the internal diameter of described plastic ring 4 equals the end face circular diameter of luminescent panel 51; Plastic ring 4 overall diameters equal the internal diameter of annular solid 31;

In addition, on the sidewall of described face-piece 1, be laid with 1 to 5 spring fastener 6, by spring fastener 6, LED Down lamp be fixed on wall.

Compare with the Down lamp of prior art, this product integrated level is high, good heat dissipation, and integral thickness, between 45-50CM, has so just reduced the height of furred ceiling, the comfort level while having improved the space availability ratio in room and librarian use.

Claims

1. a LED Down lamp, comprises face-piece (1) and bonnet (7); Described face-piece (1) is cylindric, and face-piece (1) inwall is provided with step, and the bottom of face-piece (1) step is provided with stepped ring screw connector (11), is connected with bonnet (7) on the end face of face-piece (1); The longitudinal section of described bonnet (7) is the bowl-shape of back-off, and the lateral wall of bonnet (7) bottom is connected with the madial wall at face-piece (1) top, it is characterized in that: be also provided with surface light source unit (5), plastic ring (4), reflector (3) and sheet glass (2);

The end face that is positioned at the ring screw connector (11) of face-piece (1) inner side is provided with sheet glass (2), and this sheet glass (2) is discoideus;

On the end face of sheet glass (2), be provided with reflector (3), the top that this reflector (3) is the discoid and reflector (3) of back-off is provided with the loophole running through;

At the top of reflector (3), be provided with annular solid (31) along loophole outside; Circular plastic ring (4) is laid at the top of the reflector (3) inside annular solid (31), and at the top of plastic ring (4), hoop is provided with surface light source unit (5); In the form of annular discs and the bottom of described surface light source unit (5) is provided with the luminescent panel (51) that is dome shape; The end face of surface light source unit (5) contacts with the top of bonnet (7).

2. a kind of LED Down lamp according to claim 1, it is characterized in that: the end face radial equipartition of this plastic ring (4) has three thimbles, bonnet (7) inside top has a ventilating opening and three installing holes, the position of the installing hole of bonnet (7) is corresponding with the position of the upper thimble of plastic ring (4), by thimble, with engaging of installing hole, bonnet (7) and plastic ring (4) is interfixed.

3. a kind of LED Down lamp according to claim 1, it is characterized in that: the diameter of described sheet glass (2) is identical with the diameter of reflector (3) lower edge, and the diameter of sheet glass (2) is identical with the internal diameter of face-piece (1).

4. a kind of LED Down lamp according to claim 1, is characterized in that: described bonnet (7) and face-piece (1) are metal material.

5. a kind of LED Down lamp according to claim 1, is characterized in that: the top of bonnet (7) is provided with cylindrical heat radiation nail, and bonnet (7) top is also provided with line ball hole clipping.

6. a kind of LED Down lamp according to claim 1, is characterized in that: the internal diameter of described plastic ring (4) equals the end face circular diameter of luminescent panel (51); Plastic ring (4) overall diameter equals the internal diameter of annular solid (31).

7. a kind of LED Down lamp according to claim 1, is characterized in that: on the sidewall of described face-piece (1), be laid with 1 to 5 spring fastener (6), by spring fastener (6), LED Down lamp be fixed on wall.