CN201281247Y

CN201281247Y - LED barrel lamp

Info

Publication number: CN201281247Y
Application number: CNU2008201518696U
Authority: CN
Inventors: 张诗彪
Original assignee: Ningbo Andy Optoelectronic Co Ltd
Current assignee: Ningbo Andy Optoelectronic Co Ltd
Priority date: 2008-08-12
Filing date: 2008-08-12
Publication date: 2009-07-29
Anticipated expiration: 2018-08-12

Abstract

Disclosed is an LED tube light, which comprises an LED light source module and a light path processing device, the LED light source module comprises a plurality of LEDs and a circuit board, the LEDs are fixed at one side of the circuit board, the LEDs are adhibited piece type LEDs, and a heat dissipating device is fixed at the other side of the circuit board. The adhibited piece type LEDs utilized by the LED tube light are small in size and convenient in installation, and can be in close arrangement on the circuit board, so light sources of the LED tube light are sufficient, and power consumption is low; in addition, the heat dissipating device is arranged at the other side of the circuit board, so the heat produced when the LEDs are in operation is timely dispersed, and the LED tube light can work normally for a long time.

Description

The LED Down lamp

[technical field]

The utility model relates to lighting engineering, or rather, relates to a kind of LED Down lamp, belongs to the light structures technical field.

[background technology]

At present, in miscellaneous artificial light source, the widest use amount maximum of purposes with incandescent lamp and fluorescent lamp, because improving constantly of people's standard of living, and the continuous progress of manufacturing technology, light fixture of all kinds and light source are continuous must weed out the old and bring forth the new, make the user constantly increase, cause electric consumption on lighting amount fast lifting, therefore the demand of light fixture, LED high-efficient electric-saving light source just in response to and give birth to, and along with the development of LED technology with ripe, the performance indications of LED increase substantially day by day, at present, the light efficiency of white light LEDs has has met or exceeded the light efficiency level of ordinary incandescent lamp, and luminous flux is also increasing considerably.

But now the LED illuminating product that occurs on the market mainly concentrates on the outdoor lighting field, and LED room lighting product is what for few, such as the LED desk lamp etc.At present, Down lamp has become one of topmost product in the room lighting, its parent who more and more is subjected to people in indoor decoration looks at, and the employed light source of Down lamp generally has incandescent lamp, electricity-saving lamp, mercury lamp and sodium vapor lamp etc. at present, there is flicker in these light sources, therefore shortcomings such as power consumption is big, heating is many and service life is short are necessary to develop a kind of new LED Down lamp to remedy above-mentioned defective.The utility model just is being based on this kind real current situation and demand produces.

[utility model content]

The technical problem that the utility model solves is to overcome the defective that prior art exists, and a kind of environmental protection and energy saving, LED Down lamp that radiating effect is good are provided.

The utility model is achieved through the following technical solutions: a kind of LED Down lamp, comprise led light source module and optical processing unit, described led light source module comprises some LED and circuit board, described LED is fixed on a side of described circuit board, described LED is an adopting surface mounted LED, and the opposite side of described circuit board is fixed a heat abstractor.

Described LED is arranged on the described circuit board in some concentrically ringed modes.

Described heat abstractor comprises heat radiation matrix and some fin, and described heat radiation matrix is two plane "+" word cross-like, and described heat radiation matrix and described fin are one-body molded.

Described fin is outwards protruded out by both sides, described heat radiation matrix one plane and forms, with described another plane parallel of heat radiation matrix.

The global shape of described heat abstractor and the global shape of described circuit board match, and are provided with heat-conducting glue between described heat abstractor and the described circuit board.

Described optical processing unit comprises reflector and light-passing board, and described reflector to small part is parabolical, and an end of this reflector is provided with some first lugs that outwards protrude out, and the other end of described reflector opening is provided with some second lugs that outwards protrude out.

Described optical processing unit comprises and also comprises a retainer ring, described retainer ring inner surface be provided with first cascade ring, by the described first cascade ring ladder junction upwards protrude out the installing ring that forms, by the described first cascade ring feather edge outwards protrude out second cascade ring that forms and with the corresponding window of described light-passing board, corresponding described second lug is provided with the breach of respective number on the described installing ring, and the position of corresponding described first cascade ring of described retainer ring outer surface is provided with a capel.

Described light-passing board hold be fixed on described reflector and described retainer ring between.

Described light-passing board inner surface is provided with a frosted layer.

Compared with prior art, the adopting surface mounted LED volume that the utility model LED Down lamp utilizes is little, easy for installation, can be densely arranged on circuit board, make LED Down lamp light source abundance, and power consumption is few; In addition, by the opposite side at circuit board one heat abstractor is set, the heat that produces when LED is worked in time dispels the heat, and makes LED Down lamp operate as normal for a long time.

[description of drawings]

Fig. 1 is the three-dimensional assembly diagram of the utility model LED Down lamp.

Fig. 2 is the three-dimensional exploded view of the utility model LED Down lamp one angle.

Fig. 3 is the three-dimensional exploded view of another angle of the utility model LED Down lamp.

Fig. 4 is the utility model LED Down lamp heat abstractor stereogram.

Fig. 5 is the stereogram of the utility model LED Down lamp led light source module.

[specific embodiment]

See also Fig. 1, Fig. 2 and shown in Figure 3, the LED Down lamp that the utility model disclosed comprises power supply 1, support 2, heat abstractor 3, led light source module 4 and optical processing unit 5.Described led light source module 4 comprises some LED40 and circuit board 41, and described LED40 is fixed on a side of described circuit board 41, and described heat abstractor 3 is fixed on the opposite side of described circuit board 41.Described LED40 is an adopting surface mounted LED, and this LED40 is arranged on the described circuit board 41 in some concentrically ringed modes.Described heat abstractor 3 comprises heat radiation matrix 30 and some fin 31, described heat radiation matrix 30 is two plane "+" word cross-like, described heat radiation matrix and described fin are one-body molded, described fin is outwards protruded out by 300 both sides, described heat radiation matrix one plane and forms, and is parallel with another plane 301 of described fin matrix.The global shape of the global shape of described heat abstractor 3 and described circuit board 41 matches, and is provided with a heat-conducting glue (not label) between described heat abstractor 3 and the described circuit board 41.Described optical processing unit 5 comprises reflector 50, light-passing board 51 and retainer ring 52.Described reflector 50 to small part is parabolical, and an end of this reflector 50 is provided with some first lugs 500 that outwards protrude out, and the other end of described reflector 50 is provided with some second lugs 501 that outwards protrude out.Described retainer ring 52 inner surfaces be provided with first cascade ring 520, by this first cascade ring junction upwards protrude out the installing ring 522 that forms, by described first cascade ring, 520 feather edges outwards protrude out second cascade ring 521 that forms and with described light-passing board 51 corresponding windows 523, corresponding described second lug 501 is provided with the breach 524 of respective number on the described installing ring 522, and corresponding described first cascade ring of described retainer ring 52 outer surfaces 520 positions are provided with a capel 525.Described light-passing board 51 holds and is fixed between described reflector 50 and the described retainer ring 52, and described light-passing board 51 inner surfaces are provided with a frosted layer.

During assembling, described adopting surface mounted LED 40 is arranged into some concentrically ringed modes to be welded on the side of described circuit board 41, described heat abstractor 3 and described circuit board 41 are fixed on described heat abstractor 3 opposite side of described circuit board 41 by the heat-conducting glue (not label) and the mode of settling tapping screws (not label) at described circuit board 41 centers.The led light source module 4 that assembling is finished is fixed on first lug 500 of described reflector 50 in the mode of tapping screw, and described circuit board 41 is welded with the Way out of described LED40 one side towards described reflector 50.Described light-passing board 51 is installed on described first cascade ring 520, the frosting of described light-passing board 51 is towards the inside of described reflector 50, second lug 501 on the described reflector 50 is by the breach 524 on the retainer ring 52, mode and retainer ring 52 with screw fix, and described light-passing board 51 is held between described reflector 50 and the described retainer ring 52.U-shaped frame 20 sides of described support 2 respectively are provided with an I-shaped hole 201, during assembling, push close catapult with hand and press from both sides 21 helical rings, 210 places, helical ring 210 is enclosed within on the projection 200 of described U-shaped frame 20, the inner clamp piece 211 and the outer intermediate plate 212 of described catapult folder 21 all place U-shaped frame 20 outsides, with the same manner another catapult folder 21 are installed again.The support 2 of installation is fixed on the installing ring 522 of described retainer ring 52 in the mode of screw, and described power supply 1 is fixed on the platen surface 202 of described support 2 by screw.

During the utility model work, two ends plug 10 inserts the external receptacle energising, LED40 work, the heat that work produces passes to heat radiation matrix 30 by circuit board 41 and heat-conducting glue, the heat of heat radiation matrix 30 fully contacts with flow air by fin 31, heat is able to effectively lead rapidly shed, thereby has guaranteed LED40 operate as normal in operating temperature range.

More than describing is embodiment of the present utility model only, forgives and can understand, and under the prerequisite that does not depart from the utility model design, all should be included within the technical conceive of the present utility model simple modification of the present utility model and replacement.

Claims

1. LED Down lamp, comprise led light source module and optical processing unit, described led light source module comprises some LED and circuit board, and described LED is fixed on a side of described circuit board, it is characterized in that: described LED is an adopting surface mounted LED, and the opposite side of described circuit board is fixed a heat abstractor.

2. LED Down lamp as claimed in claim 1 is characterized in that: described LED is arranged on the described circuit board in some concentrically ringed modes.

3. LED Down lamp as claimed in claim 2 is characterized in that: described heat abstractor comprises heat radiation matrix and some fin, and described heat radiation matrix is two plane "+" word cross-like, and described heat radiation matrix and described fin are one-body molded.

4. LED Down lamp as claimed in claim 3 is characterized in that: described fin is outwards protruded out by both sides, described heat radiation matrix one plane and forms, with described another plane parallel of heat radiation matrix.

5. LED Down lamp as claimed in claim 1 is characterized in that: the global shape of described heat abstractor and the global shape of described circuit board match, and are provided with heat-conducting glue between described heat abstractor and the described circuit board.

6. LED Down lamp as claimed in claim 1, it is characterized in that: described optical processing unit comprises reflector and light-passing board, described reflector to small part is parabolical, one end of this reflector is provided with some first lugs that outwards protrude out, and the other end of described reflector opening is provided with some second lugs that outwards protrude out.

7. LED Down lamp as claimed in claim 6, it is characterized in that: described optical processing unit comprises and also comprises a retainer ring, described retainer ring inner surface be provided with first cascade ring, by the described first cascade ring ladder junction upwards protrude out the installing ring that forms, by the described first cascade ring feather edge outwards protrude out second cascade ring that forms and with the corresponding window of described light-passing board, corresponding described second lug is provided with the breach of respective number on the described installing ring, and the position of corresponding described first cascade ring of described retainer ring outer surface is provided with a capel.

8. LED Down lamp as claimed in claim 7 is characterized in that: described light-passing board hold be fixed on described reflector and described retainer ring between.

9. LED Down lamp as claimed in claim 8 is characterized in that: described light-passing board inner surface is provided with a frosted layer.