CN213901012U

CN213901012U - Radiator of LED lamp and LED lamp

Info

Publication number: CN213901012U
Application number: CN202022922401.6U
Authority: CN
Inventors: 林利民; 陈文坡; 王全森; 王信春
Original assignee: Red100 Lighting Co ltd
Current assignee: Hongyibai Lighting Co.,Ltd.
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-08-06
Anticipated expiration: 2030-12-09

Abstract

The utility model relates to a radiator and LED lamp of LED lamp, radiator locate the lamp shade one side of keeping away from the lamp holder, the radiator has first heat radiation structure, second heat radiation structure and third heat radiation structure, first heat radiation structure includes the support body of hollow column, the periphery side of support body is located to the second heat radiation structure, the periphery side of second heat radiation structure is located to the third heat radiation structure, first heat radiation structure, second heat radiation structure and third heat radiation structure set up as an organic whole; the utility model discloses a radiator of LED lamp, structural design is more reasonable compact, small and exquisite, and less volume just can provide higher heat dispersion, improves the prerequisite for improving lamps and lanterns luminous flux by a wide margin and guarantees, and the radiating efficiency is light in weight very high.

Description

Radiator of LED lamp and LED lamp

Technical Field

The utility model relates to an illumination lamps and lanterns design field, concretely relates to radiator and LED lamp of LED lamp.

Background

For an LED lamp, if the luminous flux of the lamp is increased, the power of the lamp is inevitably increased, pressure is generated on the heat dissipation of the lamp, a larger volume is needed to meet the heat dissipation requirement, not only energy consumption is achieved, but also the service life of the lamp is seriously influenced, the production and transportation cost is increased, a radiator is a main structural member of the LED lamp, and the structural design of the radiator is excellent or not, which is directly related to the use performance of the LED lamp.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art not enough, provide a radiator of LED lamp.

In order to solve the technical problem, the utility model discloses the technical scheme who takes as follows:

the radiator is arranged on one side, away from a lamp holder, of a lampshade, and is provided with a first radiating structure, a second radiating structure and a third radiating structure, wherein the first radiating structure comprises a hollow columnar supporting body, the second radiating structure is arranged on the outer peripheral side of the supporting body, the third radiating structure is arranged on the outer peripheral side of the second radiating structure, and the first radiating structure, the second radiating structure and the third radiating structure are integrally arranged.

Preferably, the support body is internally formed with an accommodating cavity.

Preferably, the first heat dissipation structure further includes a plurality of heat dissipation strips disposed on the inner periphery of the support body and extending along the length direction of the support body, and the plurality of heat dissipation strips are distributed on the inner periphery of the support body at intervals along the circumferential direction.

Preferably, the inner surfaces of the heat dissipation strips are arc surfaces, the inner surfaces of the heat dissipation strips are located on the circumference of the same circle, and a space formed by enclosing the circle where the inner surface of each heat dissipation strip is located forms an accommodating cavity.

Preferably, the second heat dissipation structure includes a plurality of fin groups, and the plurality of fin groups are distributed at intervals on the periphery of the support body along the circumferential direction.

Preferably, each fin group has two arc-shaped fins extending along the length direction of the support body.

Preferably, the third heat dissipation structure includes a plurality of heat dissipation closed loop bodies, and the plurality of heat dissipation closed loop bodies are sequentially distributed at intervals in the extending direction of the support body.

Preferably, the radiating closed loop body is circular or polygonal.

Preferably, the cross-section of the support body is hexagonal in shape.

The utility model provides a LED lamp, lamps and lanterns are including the utility model discloses the radiator that narrates, the length of supporter equals with second heat radiation structure and third heat radiation structure's total length, perhaps the length of supporter be greater than with second heat radiation structure and third heat radiation structure's total length, and the supporter has the first section that is located second heat radiation structure and third heat radiation structure internal periphery and the second section by the outside extension of the tip of first section, and the light source board of LED lamps and lanterns is located on the outer peripheral face of second section.

Due to the implementation of the above technical scheme, compared with the prior art, the utility model have the following advantage:

the utility model discloses a radiator of LED lamp is formed with three heat radiation structure from inside to outside altogether, improves heat radiating area by a wide margin, progressively transmits the heat that lamps and lanterns produced from inside to outside, and on the length direction of radiator, each heat radiation structure is penetrating fretwork, consequently the utility model discloses a radiator transversely with vertically can both quick heat-conduction and arouse air thermal convection and thermal radiation, improve heat dispersion by a wide margin.

The utility model discloses a radiator of LED lamp, structural design is more reasonable compact, small and exquisite, and less volume just can provide higher heat dispersion, improves the prerequisite for improving lamps and lanterns luminous flux by a wide margin and guarantees, and the radiating efficiency is light in weight very high.

Drawings

Fig. 1 is a schematic top view of the heat sink of the present invention (the heat dissipating closed ring is a regular 8-sided shape);

fig. 2 is a schematic perspective view of the heat sink of the present invention (the heat dissipating closed ring body is a regular 8-sided shape);

FIG. 3 is a schematic perspective view of the heat sink of the present invention (the heat dissipating closed ring is circular and the support has a first section and a second section);

wherein: 10. a support body; 11. a heat dissipating strip; 100. an accommodating cavity; 20. an arc-shaped heat radiating fin; 21. a straight heat sink; 30. a heat dissipation closed loop body.

Detailed Description

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

Referring to fig. 1 to 3, a heat sink for an LED lamp includes a first heat dissipation structure, a second heat dissipation structure and a third heat dissipation structure, the first heat dissipation structure includes a hollow cylindrical support body 10 (the cross section of the support body 10 is hexagonal), the second heat dissipation structure is disposed on the outer peripheral side of the support body 10, the third heat dissipation structure is disposed on the outer peripheral side of the second heat dissipation structure, and the first heat dissipation structure, the second heat dissipation structure and the third heat dissipation structure are integrally disposed. In addition, the supporting body 10 is formed with an accommodating cavity 100 therein.

Specifically, the first heat dissipation structure further includes a plurality of heat dissipation strips 11 disposed on the inner periphery of the support body 10 and extending along the length direction of the support body 10, and 9 heat dissipation strips 11 are distributed on the inner periphery of the support body 10 at intervals along the circumferential direction. The inner surfaces of the heat dissipation strips 11 are arc surfaces, the inner surfaces of the heat dissipation strips 11 are located on the circumference of the same circle, and a space formed by enclosing the circle where the inner surface of each heat dissipation strip 11 is located forms an accommodation cavity 100, that is, the accommodation cavity 100 is cylindrical.

A power supply or a fan of the lamp (forced convection heat dissipation) may be installed in the accommodating cavity 100, or both of them may be installed in the accommodating cavity 100, the power supply may be installed to effectively dissipate heat from the power supply, and the fan may further enhance convection and improve heat dissipation capability.

In this embodiment, the arc surfaces of the 9 heat dissipation strips 11 ensure the heat dissipation area, and a gap is formed between the component placed in the accommodating cavity 100 and the inner periphery of the supporting body 10, so as to meet the convection requirement and improve the heat dissipation performance.

Further, the second heat dissipation structure includes 6 fin groups, and the 6 fin groups are distributed at intervals on the periphery of the support body 10 along the circumferential direction. Each radiating fin group is provided with two arc-shaped radiating fins 20 extending along the length direction of the support body 10, the arc-shaped openings of the arc-shaped radiating fins 20 face outwards, and the arc surfaces of the arc-shaped radiating fins 20 close to the inner side are larger than the arc surfaces of the arc-shaped radiating fins 20 close to the outer side, so that heat can radiate outwards conveniently.

In addition, each radiating fin group is also provided with a straight radiating fin, the straight radiating fin 21 plays double roles of connecting and supporting and increasing a radiating surface, two side edges connected with the straight radiating fin 21 are respectively connected with the supporting body 10 and the third radiating structure, and the arc-shaped radiating fin 20 is connected with the straight radiating fin 21.

Furthermore, the third heat dissipation structure includes a plurality of heat dissipation closed loop bodies 30, and the plurality of heat dissipation closed loop bodies 30 are sequentially distributed at intervals in the extending direction of the support body 10. The plurality of heat dissipation closed loop bodies 30 form a hollow-out shape after being combined, and effectively radiate and convectively dissipate heat outwards.

In this embodiment, the heat dissipating closed loop 30 is circular (as shown in fig. 3) or polygonal (as shown in fig. 1 and 2), such as regular 6-sided polygon and regular 8-sided polygon, and when the heat dissipating closed loop 30 is regular polygonal, chamfering can be performed on each side to form a diamond shape, so that the appearance is more beautiful.

Furthermore, the utility model discloses still relate to a LED lamps and lanterns, lamps and lanterns are including the utility model discloses the radiator that narrates, one side of keeping away from the lamp holder of lamp shade is located to the radiator, and in addition, the length of supporter 10 has two kinds of schemes to be optional, one (as shown in fig. 1): the length of the supporting body 10 is equal to the total length of the second heat dissipation structure and the third heat dissipation structure, in this case, one end surface of the heat sink in the length direction is connected to one end surface of the lamp cover. Secondly (as shown in fig. 3): the length of supporter 10 is greater than the total length with second heat radiation structure and third heat radiation structure, under this condition, supporter 10 has the first section that is located second heat radiation structure and third heat radiation structure internal periphery and the second section by the outside extension of tip of first section, the light source board of LED lamps and lanterns is located on the outer peripheral face of second section, and supporter 10's periphery has a plurality of faces, the light source board can distribute more in the lamp pearl of loading on a plurality of faces, lamps and lanterns can be towards giving out light all around, luminance is higher.

The present invention has been described in detail, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the protection scope of the present invention should not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a radiator of LED lamp, the radiator is located one side of keeping away from the lamp holder of lamp shade, its characterized in that: the radiator is provided with a first radiating structure, a second radiating structure and a third radiating structure, wherein the first radiating structure comprises a hollow columnar supporting body, the second radiating structure is arranged on the peripheral side of the supporting body, the third radiating structure is arranged on the peripheral side of the second radiating structure, and the first radiating structure, the second radiating structure and the third radiating structure are integrally arranged.

2. The heat sink of the LED lamp of claim 1, wherein: an accommodating cavity is formed in the supporting body.

3. The heat sink of the LED lamp of claim 2, wherein: the first heat dissipation structure further comprises a plurality of heat dissipation strips which are arranged on the inner periphery of the support body and extend along the length direction of the support body, and the plurality of heat dissipation strips are distributed on the inner periphery of the support body at intervals along the circumferential direction.

4. The heat sink of the LED lamp of claim 3, wherein: the inner surfaces of the heat dissipation strips are arc surfaces, the inner surfaces of the heat dissipation strips are located on the circumference of the same circle, and a space formed by the circles where the inner surfaces of the heat dissipation strips are located is enclosed to form the containing cavity.

5. The heat sink of the LED lamp of claim 1, wherein: the second heat dissipation structure comprises a plurality of heat dissipation fin groups, and the plurality of heat dissipation fin groups are distributed on the periphery of the support body at intervals along the circumferential direction.

6. The heat sink of the LED lamp of claim 5, wherein: each fin group is provided with two arc-shaped fins extending along the length direction of the support body.

7. The heat sink of the LED lamp of claim 1, wherein: the third heat dissipation structure comprises a plurality of heat dissipation closed ring bodies, and the heat dissipation closed ring bodies are sequentially distributed at intervals in the extending direction of the support body.

8. The heat sink of the LED lamp of claim 7, wherein: the heat dissipation closed ring body is circular or polygonal.

9. The heat sink of the LED lamp of claim 1, wherein: the cross section of the support body is hexagonal.

10. An LED lamp, characterized in that: the LED lamp includes the heat sink as recited in any one of claims 1 to 9, wherein the length of the support is equal to the total length of the second heat dissipation structure and the third heat dissipation structure, or the length of the support is greater than the total length of the second heat dissipation structure and the third heat dissipation structure, the support has a first section located on the inner periphery of the second heat dissipation structure and the third heat dissipation structure and a second section extending outward from the end of the first section, and the light source board of the LED lamp is disposed on the outer periphery of the second section.