CN201628110U

CN201628110U - LED lamp and radiation structure thereof

Info

Publication number: CN201628110U
Application number: CN2010201156048U
Authority: CN
Inventors: 赖琦郎
Original assignee: Chicony Power Technology Co Ltd
Current assignee: Chicony Power Technology Co Ltd
Priority date: 2010-02-11
Filing date: 2010-02-11
Publication date: 2010-11-10
Anticipated expiration: 2020-02-11

Abstract

The utility model discloses an LED lamp and a radiation structure thereof. The LED lamp comprises a lamp tube, an LED module contained in the lamp tube and a radiation structure covered outside the lamp tube, wherein the lamp tube is provided with a top plate and side walls which are bent and extend from the periphery of the top plate; the LED module comprises a circuit board attached to the inner surface of the top plate and a plurality of LEDs electrically connected on the circuit board; the radiation structure comprises a cover plate attached to the outer surface of the top plate and a plurality of radiating fins which are bent and extends from the periphery of the cover plate and are arranged at intervals; the radiating fins are covered outside the side wall of the lamp tube; and the radiating fins and the side wall form a radiation channel; therefore, the LED lamp achieves good radiation efficiency and can reduce the manufacturing cost.

Description

The LED Lamp And Its Radiating Mechanism

Technical field

The utility model relates to a kind of LED light fixture, particularly a kind of LED light fixture with heat abstractor.

Background technology

In recent years because of the flourish of light emitting diode (LED) technology and reach its maturity, characteristics such as have low power consuming, long service life again, volume is little, reaction is fast become following main flow market so replace traditional based on halogen bulb gradually.

Generally speaking, the high more used heat of supervening of the power of LED is also many more, yet high temperature has sizable negative effect to life-span and the luminous efficacy of LED, and therefore, the higher LED light fixture of power can be provided with radiator structure mostly, with in time with the high temperature loss.Existing LED radiator structure normally adds a plurality of radiating fins at the lamp socket outer surface, and the radiating fin of area of dissipation quickens to get rid of used heat by having on a large scale.

Because it is many and volume is big to be provided in radiating fin on the lamp socket outer surface, and because of this lamp socket and radiating fin often with integrated processing mode manufacturings such as aluminium extruded or die casting, so die cost expends height and technology is long man-hour; Moreover these a plurality of radiating fins easily because of collision forms flaw, and then influence the finished product yield in the process of transporting, make the manufacturing cost of current LED light fixture can not be in any more.

The utility model content

A purpose of the present utility model is to provide a kind of LED light fixture, and it has good radiating efficiency, and can reduce manufacturing cost.

Another purpose of the present utility model is to provide a kind of group to establish LED light fixture simple, handling ease.

To achieve the above object, the utility model provides a kind of LED light fixture, comprising:

One lamp tube, a sidewall that has a top board and extend from this top board periphery bending;

One led module is contained in this lamp tube inside, and this led module comprises and amplexiforms at a circuit board of this top board medial surface and be electrically connected at a plurality of LED on this circuit board; And

One radiator structure, cover cap is in this lamp tube outside, this radiator structure has and amplexiforms at a cover plate of this top board lateral surface and from a plurality of fin of this cover plate periphery bending forming, and these a plurality of fin covers are in the sidewall outside of this lamp tube, and is formed with a heat dissipation channel with this sidewall.

Above-mentioned LED light fixture wherein, also includes a transparent lamp shade, and this lamp tube has an opening, is combined with this transparent lamp shade at this opening part.

Above-mentioned LED light fixture, wherein, this cover plate is laid with a plurality of first louvres, these a plurality of first heat radiation orifice rings are located at the contiguous peripheral region of this cover plate, the bottom of the sidewall of this lamp tube has extended to form a shoulder, the end of this shoulder is outward extended with a flange, and these a plurality of fin are set in distance and are connected on this shoulder at this cover plate periphery, and each this fin is provided with one second louvre.

Above-mentioned LED light fixture, wherein, this circuit board has a lead, and this lamp tube is provided with a perforation, and this lead wears this perforation.

Above-mentioned LED light fixture, wherein, the end of each this fin is a free end, and these a plurality of fin are radial ringwise.

Above-mentioned LED light fixture, in it is characterized in that, the end of these a plurality of fin is to link to each other, and is formed with a cover circle.

Another purpose of the present utility model is to provide a kind of radiator structure of LED light fixture, and it is with the impact style manufacturing, again it is carried out bending forming, so can reduce manufacturing cost.

To achieve the above object, the utility model is the radiator structure for a kind of LED light fixture, on a lamp tube that is located at the LED light fixture, this radiator structure comprises: a cover plate reaches a plurality of fin from this cover plate periphery bending forming, these a plurality of fin covers are in the outside of described lamp tube, and are formed with a heat dissipation channel with described lamp tube.

The radiator structure of above-mentioned LED light fixture, wherein, this cover plate is laid with a plurality of first louvres, and these a plurality of first heat radiation orifice rings are located at the contiguous peripheral region of this cover plate, these a plurality of fin are set in distance at this cover plate periphery, and each this fin is provided with one second louvre.

The radiator structure of above-mentioned LED light fixture, wherein, the end of each this fin is a free end, and these a plurality of fin are radial ringwise.

The radiator structure of above-mentioned LED light fixture, wherein, the end of these a plurality of fin is to link to each other, and is formed with a cover circle.

Compared to existing, LED light fixture of the present utility model is not as radiator structure with existing aluminium extruded type fin, LED light fixture of the present utility model, because of the cover plate and the fin of its radiator structure can be earlier with the impact style manufacturings, again it is carried out bending process, but and then make radiator structure form the cover body of cover cap in lamp tube outside, to establish mode simple because of its processing and group, and need not spend a large amount of die costs, so can greatly reduce manufacturing cost; Moreover, radiator structure of the present utility model leaves heat dissipation channel between in addition outside the sidewall of fin and lamp tube, enter and take away the heat that partial L ED module is produced for cool exterior air, form behind the hot-air again louvre loss from cover plate, reach better heat dissipation by good free convection design, increase practicality of the present utility model and economy.

Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.

Description of drawings

The stereo appearance figure of Fig. 1 LED light fixture of the present utility model;

The three-dimensional exploded view of Fig. 2 LED light fixture of the present utility model;

The use schematic diagram of Fig. 3 LED light fixture of the present utility model;

Second embodiment of Fig. 4 LED light fixture of the present utility model; And

The 3rd embodiment of Fig. 5 LED light fixture of the present utility model.

Wherein, Reference numeral

1 LED light fixture

10 lamp tubes, 100 heat dissipation channels

110 perforation of 11 top boards

12 sidewalls, 13 shoulders

14 flanges, 20 led modules

21 circuit boards, 22 LED

23 leads, 30 radiator structures

31 cover plates, 310 through holes

311 first louvres, 32 fin

320 second louvres

1 ' LED light fixture, 30 ' radiator structure

32 ' fin, 321 ' cover circle

1 " the LED light fixture 10 " the lamp tube

11 " top board 12 " sidewall

120 " perforation 20 " led module

23 " lead 30 " radiator structure

32 " fin 40 transparent lamp shades

The specific embodiment

Relevant detailed description of the present utility model and technology contents cooperate graphic being described as follows, yet appended graphic reference and the explanation usefulness of only providing not is to be used for the utility model is limited.

Please refer to Fig. 1 and Fig. 2, is stereo appearance figure and the three-dimensional exploded view that is respectively the utility model LED light fixture; LED light fixture 1 of the present utility model is to comprise a lamp tube 10, a led module 20, an and radiator structure 30.

The sidewall 12 that this lamp tube 10 has a top board 11 and extends from this top board 11 peripheries bending, the place is provided with a perforation 110 in the middle of this top board 11, and this lamp tube 10 is to be a conically shaped, in the present embodiment, the root edge of this sidewall 12 has extended to form a shoulder 13 in addition, and the end of this shoulder also is outward extended with a flange 14.

This led module 20 is contained in this lamp tube 10 inside, it comprises a circuit board 21 and a plurality of LED22, these a plurality of LED22 are arranged on this circuit board 21 and with this circuit board 21 and electrically connect, and this circuit board 21 amplexiforms the medial surface at the top board 11 of this lamp tube 10, and has the lead 23 that power supply is provided.

These radiator structure 30 cover caps are in these lamp tube 10 outsides, this radiator structure 30 comprises a cover plate 31 and from these cover plate 31 periphery bending formings and a plurality of fin 32 of being provided with at interval, this cover plate 31 amplexiforms top board 11 lateral surfaces at this lamp tube 10, and perforation 110 places that should top board 11 are provided with a through hole 310, be equipped with the lead 23 of this led module 20 in this perforation 110 and this through hole 310, wherein, the connected mode of the top board 11 of this cover plate 31 and this lamp tube 10 can be utilized and be spirally connected, or uses alternate manner such as heat-conducting glue to reach.

Moreover, this cover plate 11 is to be laid with a plurality of first louvres 311, these a plurality of first louvres 311 are adjacent places of periphery that ring is located at this cover plate 11, moreover, these a plurality of fin 32 are radial ringwise, and each this fin 32 is provided with one second louvre 320, and the end of this fin 32 is a free end, and is connected on the shoulder 13 of this lamp tube 10.

Please continue with reference to Fig. 3, be the use schematic diagram for the utility model LED light fixture; In the present embodiment, this LED light fixture 1 also is provided with a transparent lamp shade 40 at the opening part of this lamp tube 10, to prevent mosquito, foreign objects such as fly enter this lamp tube 10 inside, as can be seen from Figure, these a plurality of fin 32 covers are in sidewall 12 outsides of this lamp tube 10, and be formed with a heat dissipation channel 100 with this sidewall 12, in view of the above, when this LED light fixture 1 provides illumination, the heat that this led module 20 produced can conduct to the top board 11 of this lamp tube 10 via this circuit board 21, conduct on the cover plate 31 of this radiator structure 30 via this top board 11, by the conduction of this cover plate 31, the heat that this led module 20 is produced is to go out from this cover plate 31 and these a plurality of heat sink 32 loss at last again.

In addition, owing to leave heat dissipation channel 100 between the sidewall 12 of this lamp tube 10 and the fin 32 of this radiator structure 30, therefore, outside cold air can enter this heat dissipation channel 100 from second louvre 320 of this fin 32, and take away the heat that produced of this led module 20 of part, behind the hot-air to be formed, can go out from first louvre, 311 loss that this cover plate 31 is offered.

Please be second embodiment in addition with reference to Fig. 4 for the utility model LED Lamp And Its Radiating Mechanism; Roughly the same in the present embodiment with first embodiment, its difference is the fin 32 ' of the radiator structure 30 ' of LED light fixture 1 ', the end of these a plurality of fin 32 ' is to be formed with a cover circle 321 ' for linking to each other, when this lamp tube 10 was outside, it was to be connected on the shoulder 13 of this lamp tube 10 that this cover encloses 321 ' at this radiator structure 30 ' cover cap.

Please continue with reference to Fig. 5, be the 3rd embodiment for the utility model LED Lamp And Its Radiating Mechanism; Roughly the same in the present embodiment with first embodiment, its difference is led module 20 " lead 23 " setting, in present embodiment, be at lamp tube 10 " sidewall on be provided with one the perforation 120 ", this lead 23 " can be via passing this perforation 120 " after, pass this radiator structure 30 again " fin 32 " the gap, to be connected on the external electric source(-)holder, therefore, at lamp tube 10 " top board 11 " and radiator structure 30 " cover plate 31 " on need not offer perforation, have the preferable foreign object that prevents and enter this lamp tube 10 " inner effect.

Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.

Claims

1. a LED light fixture is characterized in that, comprising:

2. LED light fixture according to claim 1 is characterized in that, also includes a transparent lamp shade, and this lamp tube has an opening, is combined with this transparent lamp shade at this opening part.

3. LED light fixture according to claim 1, it is characterized in that, this cover plate is laid with a plurality of first louvres, these a plurality of first heat radiation orifice rings are located at the contiguous peripheral region of this cover plate, the bottom of the sidewall of this lamp tube has extended to form a shoulder, the end of this shoulder is outward extended with a flange, and these a plurality of fin are set in distance and are connected on this shoulder at this cover plate periphery, and each this fin is provided with one second louvre.

4. LED light fixture according to claim 1 is characterized in that this circuit board has a lead, and this lamp tube is provided with a perforation, and this lead wears this perforation.

5. LED light fixture according to claim 1 is characterized in that, the end of each this fin is a free end, and these a plurality of fin are radial ringwise.

6. LED light fixture according to claim 1 is characterized in that, the end of these a plurality of fin is to link to each other, and is formed with a cover circle.

7. the radiator structure of a LED light fixture, on a lamp tube that is located at described LED light fixture, it is characterized in that, this radiator structure comprises: a cover plate reaches a plurality of fin from this cover plate periphery bending forming, these a plurality of fin covers are in the outside of described lamp tube, and are formed with a heat dissipation channel with described lamp tube.

8. the radiator structure of LED light fixture according to claim 7, it is characterized in that, this cover plate is laid with a plurality of first louvres, these a plurality of first heat radiation orifice rings are located at the contiguous peripheral region of this cover plate, these a plurality of fin are set in distance at this cover plate periphery, and each this fin is provided with one second louvre.

9. the radiator structure of LED light fixture according to claim 7 is characterized in that, the end of each this fin is a free end, and these a plurality of fin are radial ringwise.

10. the radiator structure of LED light fixture according to claim 7 is characterized in that, the end of these a plurality of fin is to link to each other, and is formed with a cover circle.