CN212005220U

CN212005220U - Heat radiation structure of LED lamp

Info

Publication number: CN212005220U
Application number: CN202020627140.2U
Authority: CN
Inventors: 乔宏; 徐宝成
Original assignee: Qingdao Hengqing Electronics Co ltd
Current assignee: Qingdao Hengqing Electronics Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-11-24
Anticipated expiration: 2030-04-23

Abstract

The utility model provides a heat radiation structure of LED lamp. The heat dissipation structure of the LED lamp comprises a lamp cap; the dust cover is fixedly sleeved on the lamp holder; the lampshade is fixedly arranged at the bottom of the lamp holder, the lampshade is positioned in the dust cover, and the bottom of the lampshade extends out of the dust cover; the two brackets are fixedly arranged on the inner wall of the lampshade; the LED chips are fixedly arranged at the bottom ends of the two brackets; the plurality of radiating fins are fixedly arranged on the top of the LED chip; the heat dissipation structure is arranged on the lamp cover. The utility model provides a heat radiation structure of LED lamp has the radiating efficiency height, and can dirt-proof advantage.

Description

Heat radiation structure of LED lamp

Technical Field

The utility model relates to a LED lamp technical field especially relates to a heat radiation structure of LED lamp.

Background

Compared with the common energy-saving lamp, the LED lamp has the advantages of high lighting effect, low power consumption, long service life and the like, so that the LED lamp is more and more favored by people.

However, the heat productivity of the LED chip is high, a special heat dissipation structure must be provided, the existing LED heat dissipation structure is generally that the whole lamp housing is a heat dissipation body, and a plurality of fins are provided outside the lamp housing, and natural heat dissipation is performed by air flow, which is low in heat dissipation efficiency, for the lamp needing to be used for a long time, and the lamp is easy to be damaged due to high internal heat, when the heat dissipation is not timely, and the top of the lamp is easily attached by self-heating sinking dust, so that the surface is dirty, and the emission of the light source is affected.

Therefore, it is necessary to provide a new heat dissipation structure of LED lamp to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a heat radiation structure of LED lamp with the radiating efficiency is high, and can be dirt-proof.

In order to solve the technical problem, the utility model provides a heat radiation structure of LED lamp includes: a lamp cap; the dust cover is fixedly sleeved on the lamp holder; the lampshade is fixedly arranged at the bottom of the lamp holder, the lampshade is positioned in the dust cover, and the bottom of the lampshade extends out of the dust cover; the two brackets are fixedly arranged on the inner wall of the lampshade; the LED chips are fixedly arranged at the bottom ends of the two brackets; the plurality of radiating fins are fixedly arranged on the top of the LED chip; the heat dissipation structure is arranged on the lamp cover.

Preferably, the heat dissipation structure comprises an air inlet ring pipe, a plurality of first air guide pipes, an air inlet pipe, a micro vortex fan, a heat dissipation ring pipe, a plurality of second air guide pipes and an air outlet pipe, the air inlet ring pipe is fixedly sleeved on the lamp shade, the air inlet ring pipe is positioned in the dust cover, the plurality of first air guide pipes are fixedly arranged on the air inlet ring pipe, the air outlet ends of the plurality of first air guide pipes are fixedly connected with the lamp shade, the plurality of first air guide pipes are distributed in a circular array, the air inlet pipe is fixedly arranged at the top of the air inlet ring pipe, the micro vortex fan is fixedly arranged on the inner wall of the top of the dust cover, the air outlet end of the micro vortex fan is fixedly connected with the air inlet end of the air inlet pipe, the heat dissipation ring pipe is fixedly sleeved on the lamp shade, the heat dissipation ring pipe is positioned above the air inlet ring pipe, and the plurality of second air guide pipes are fixedly arranged on the, the air outlet ends of the plurality of second air guide pipes are fixedly connected with the lampshade, the plurality of second air guide pipes are distributed in a circular array mode, the air outlet pipes are fixedly installed at the top of the heat dissipation ring pipe, and the air outlet pipes are located on one side, far away from the miniature vortex fan, of the lampshade.

Preferably, the lampshade is provided with a plurality of air inlets, the plurality of air inlets are distributed in a circular array, and the plurality of air inlets are respectively communicated with the plurality of first air guide pipes.

Preferably, the lampshade is provided with a plurality of air outlets which are distributed in a circular array, and the plurality of air outlets are respectively communicated with the plurality of second air guide pipes.

Preferably, the lampshade, the air inlet ring pipe, the first air guide pipes, the air inlet pipe, the heat dissipation ring pipe, the second air guide pipes and the air outlet pipe are all made of transparent plastic materials.

Preferably, the lamp cap is provided with an external thread.

Compared with the prior art, the utility model provides a heat radiation structure of LED lamp has following beneficial effect:

the utility model provides a heat radiation structure of LED lamp, this device not only can shelter from the dust of top whereabouts through the dust cover that sets up, influence leaded light effect after effectually avoiding the lamp shade to adsorb a large amount of dust, can dispel the heat that the LED chip gived off in the lamp shade fast effectually through heat radiation structure simultaneously, and annular pipe can effectively prevent the entering of dust when not using simultaneously.

Drawings

Fig. 1 is a front view of a preferred embodiment of a heat dissipation structure of an LED lamp provided in the present invention;

fig. 2 is a schematic front view, cross-sectional structure diagram of a preferred embodiment of a heat dissipation structure of an LED lamp according to the present invention.

Reference numbers in the figures: 1. the LED lamp comprises a lamp cap, 2, a dust cover, 3, a lampshade, 4, a support, 5, an LED chip, 6, a radiating fin, 7, an air inlet ring pipe, 8, a first air guide pipe, 9, an air inlet pipe, 10, a micro vortex fan, 11, a radiating ring pipe, 12, a second air guide pipe, 13 and an air outlet pipe.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 and fig. 2 in combination, wherein fig. 1 is a front view of a preferred embodiment of a heat dissipation structure of an LED lamp according to the present invention; fig. 2 is a schematic front view, cross-sectional structure diagram of a preferred embodiment of a heat dissipation structure of an LED lamp according to the present invention. The heat radiation structure of LED lamp includes: a lamp cap 1; the dust cover 2 is fixedly sleeved on the lamp holder 1; the lampshade 3 is fixedly arranged at the bottom of the lamp holder 1, the lampshade 3 is positioned in the dust cover 2, and the bottom of the lampshade 3 extends out of the dust cover 2; the two brackets 4 are fixedly arranged on the inner wall of the lampshade 3; the LED chips 5 are fixedly arranged at the bottom ends of the two brackets 4; the heat dissipation fins 6 are all fixedly arranged on the top of the LED chip 5; and the heat dissipation structure is arranged on the lampshade 3.

The heat dissipation structure comprises an air inlet ring pipe 7, a plurality of first air guide pipes 8, an air inlet pipe 9, a miniature vortex fan 10, a heat dissipation ring pipe 11, a plurality of second air guide pipes 12 and an air outlet pipe 13, wherein the air inlet ring pipe 7 is fixedly sleeved on the lampshade 3, the air inlet ring pipe 7 is positioned in the dust cover 2, the first air guide pipes 8 are fixedly arranged on the air inlet ring pipe 7, the air outlet ends of the first air guide pipes 8 are fixedly connected with the lampshade 3, the first air guide pipes 8 are distributed in a circular array, the air inlet pipe 9 is fixedly arranged at the top of the air inlet ring pipe 7, the miniature vortex fan 10 is fixedly arranged on the inner wall of the top of the dust cover 2, the air outlet end of the miniature vortex fan 10 is fixedly connected with the air inlet end of the air inlet pipe 9, and the heat dissipation ring pipe 11 is fixedly sleeved on the lampshade 3, the heat dissipation ring pipe 11 is located above the air inlet ring pipe 7, the plurality of second air guide pipes 12 are all fixedly installed on the heat dissipation ring pipe 11, the air outlet ends of the plurality of second air guide pipes 12 are all fixedly connected with the lampshade 3, the plurality of second air guide pipes 12 are distributed in a circular array, the air outlet pipe 13 is fixedly installed at the top of the heat dissipation ring pipe 11, and the air outlet pipe 13 is located on one side, far away from the miniature vortex fan 10, of the lampshade 3.

The lampshade 3 is provided with a plurality of air inlets which are distributed in a circular array, and the plurality of air inlets are respectively communicated with the plurality of first air guide pipes 8.

The lampshade 3 is provided with a plurality of air outlets which are distributed in a circular array, and the plurality of air outlets are respectively communicated with the plurality of second air guide pipes 12.

The lampshade 3, the air inlet ring pipe 7, the first air guide pipes 8, the air inlet pipe 9, the heat dissipation ring pipe 11, the second air guide pipes 12 and the air outlet pipe 13 are all made of transparent plastic materials.

The lamp holder 1 is provided with an external thread.

The utility model provides a heat radiation structure of LED lamp's theory of operation as follows:

when the LED lamp is used, the LED lamp can be installed through the external threads on the lamp holder 1, dust falling naturally in the air is shielded by the dust cover 2 in use, the phenomenon that the lampshade 3 absorbs a large amount of dust and then light guide effect is affected is avoided, the micro vortex fan 10 is also electrified after the LED chip 5 is electrified, a large amount of heat is generated when the LED chip 5 emits light and is gathered in the lampshade 3, the micro vortex fan 10 sucks the air shielded by the dust cover 2 from the outside at the moment, the air is discharged into the air inlet pipe 9 through the micro vortex fan 10 and then into the air inlet ring pipe 7 through the air inlet pipe 9, the air is blown into the lampshade 3 through the plurality of first air guide pipes 8 on the air inlet ring pipe 7, the air blows the LED chip 5 and the radiating fins 6 after entering the lampshade 3, the hot air is discharged through the plurality of second air guide pipes 12 according to the principle that the hot air is upward, and then the hot air is discharged through the air outlet pipe 13, the heat dissipation work in the lampshade 3 is completed.

the utility model provides a heat radiation structure of LED lamp, this device not only can shelter from the dust of top whereabouts through the dust cover 2 that sets up, effectually avoid lamp shade 3 to adsorb a large amount of dust after influence leaded light effect, can dispel the heat through heat radiation structure fast effectual heat that gives off to LED chip 5 in the lamp shade 3 simultaneously, the annular pipe can effectively prevent the entering of dust when not using simultaneously.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of this design principle, the settings of the power mechanism, the power supply system, the control system, etc. of the device are not completely described, and the details of the power mechanism, the power supply system, and the control system can be clearly known on the premise that those skilled in the art understand the principle of the present invention.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A heat radiation structure of an LED lamp is characterized by comprising:

a lamp cap;

the dust cover is fixedly sleeved on the lamp holder;

the lampshade is fixedly arranged at the bottom of the lamp holder, the lampshade is positioned in the dust cover, and the bottom of the lampshade extends out of the dust cover;

the two brackets are fixedly arranged on the inner wall of the lampshade;

the LED chips are fixedly arranged at the bottom ends of the two brackets;

the plurality of radiating fins are fixedly arranged on the top of the LED chip;

the heat dissipation structure is arranged on the lamp cover.

2. The heat dissipation structure of the LED lamp of claim 1, wherein the heat dissipation structure comprises an air inlet ring pipe, a plurality of first air guide pipes, an air inlet pipe, a micro vortex fan, a heat dissipation ring pipe, a plurality of second air guide pipes and an air outlet pipe, the air inlet ring pipe is fixedly sleeved on the lamp shade, the air inlet ring pipe is located in the dust cover, the plurality of first air guide pipes are fixedly installed on the air inlet ring pipe, air outlet ends of the plurality of first air guide pipes are fixedly connected with the lamp shade, the plurality of first air guide pipes are distributed in a circular array, the air inlet pipe is fixedly installed at the top of the air inlet ring pipe, the micro vortex fan is fixedly installed on the inner wall of the top of the dust cover, the air outlet end of the micro vortex fan is fixedly connected with the air inlet end of the air inlet pipe, and the heat dissipation ring pipe is fixedly sleeved on the lamp shade, the heat dissipation ring pipe is located above the air inlet ring pipe, the plurality of second air guide pipes are fixedly installed on the heat dissipation ring pipe, the air outlet ends of the plurality of second air guide pipes are fixedly connected with the lampshade, the plurality of second air guide pipes are distributed in a circular array, the air outlet pipes are fixedly installed at the top of the heat dissipation ring pipe, and the air outlet pipes are located on one side, far away from the miniature vortex fan, of the lampshade.

3. The heat dissipation structure of the LED lamp of claim 2, wherein the lamp housing is provided with a plurality of air inlets, the plurality of air inlets are distributed in a circular array, and the plurality of air inlets are respectively communicated with the plurality of first air guide pipes.

4. The heat dissipation structure of the LED lamp as recited in claim 2, wherein the lamp housing is provided with a plurality of air outlets, the plurality of air outlets are distributed in a circular array, and the plurality of air outlets are respectively communicated with the plurality of second air ducts.

5. The heat dissipation structure of the LED lamp of claim 2, wherein the lamp cover, the air inlet ring pipe, the first air ducts, the air inlet duct, the heat dissipation ring pipe, the second air ducts, and the air outlet duct are all made of transparent plastic.

6. The heat dissipation structure of an LED lamp of claim 1, wherein the base has an external thread.