CN211084030U

CN211084030U - L ED lamp radiator

Info

Publication number: CN211084030U
Application number: CN201921767059.8U
Authority: CN
Inventors: 张跃宗; 李世国
Original assignee: Shenzhen Institute of Information Technology
Current assignee: Shenzhen Institute of Information Technology
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-07-24
Anticipated expiration: 2029-10-21

Abstract

The utility model discloses L ED lamp radiator includes a plurality of fin, synthetic heat dissipation space is enclosed in a plurality of fin annular settings, interconnect between a plurality of fin, be provided with the mounting hole between two fins, the fin includes the base plate, sets up at the positive mounting groove of base plate and sets up a plurality of first radiating fin at the base plate back, the concave radiating groove that is equipped with in the middle of the base plate, the back of radiating groove is provided with a plurality of second radiating fin, the degree of depth of radiating groove is not less than first radiating fin's length the utility model discloses a set up the radiating groove on the base plate, through the convection current about the air of radiating groove, can derive the heat that L ED gived off as early as possible, through the heat radiating area who sets up second radiating fin increase radiator at the back of radiating groove, can guarantee radiating best effect, set up fixed part and spacing portion on the fin, can make the fin modularization of radiator, according to the heat dissipation demand of difference, select different quantity to assemble.

Description

L ED lamp radiator

Technical Field

The utility model relates to the field of lighting technology, especially, relate to an L ED lamp radiator that heat dispersion is good.

Background

L ED has the characteristics of energy saving, environmental protection, long service life, small volume and the like, and is widely applied to the field of illumination, L ED radiates heat through a medium in time when illuminating, otherwise the service life of L ED is shortened, or even damaged.

However, the disadvantage of this heat dissipation method is that the heat of the heat sink is concentrated, and the design space of the ventilation holes is small, so that the heat dissipated by L ED cannot be quickly dissipated.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at overcomes prior art's above shortcoming and not enough, provides an L ED lamp radiator that radiating efficiency is high.

The utility model provides an L ED lamp radiator, includes a plurality of fin, the synthetic heat dissipation space is enclosed in a plurality of fin annular settings, interconnect between a plurality of fin, be provided with the mounting hole between two fin, the fin includes the base plate, sets up at the positive mounting groove of base plate and sets up a plurality of first radiating fin at the base plate back, the central authorities of base plate are concave to be equipped with the radiating groove, the back of radiating groove is provided with a plurality of second radiating fin, the degree of depth of radiating groove is not less than first radiating fin's length.

In one embodiment, the second heat dissipating fins of the plurality of second heat dissipating fins near the central position have the longest length.

In one embodiment, the plurality of heat dissipation fins are manufactured by an integral casting molding process and are connected with each other.

In one embodiment, any one of the first heat dissipation fins at two ends of the substrate comprises a fixing part and a heat dissipation part, the fixing part is connected with the substrate, a limiting part is convexly arranged between the fixing part and the heat dissipation part, and the limiting part and the fixing part of the two first heat dissipation fins surround the mounting hole.

In one embodiment, the height of the first heat dissipation fin is gradually reduced along the two ends of the base plate.

The utility model discloses L ED lamp radiator's beneficial effect lies in:

1. the heat dissipation groove is formed in the substrate, so that the heat dissipated by the L ED can be conducted out as soon as possible through the up-and-down convection of air in the heat dissipation groove.

2. The radiating area of the radiator is increased by arranging the second radiating fins on the back face of the radiating groove, meanwhile, the length of the second radiating fins is different according to different requirements, and the best effect of radiating can be guaranteed by selecting the ladder setting.

3. The fixing part and the limiting part are arranged on the radiating fins, so that the radiating fins of the radiator are modularized, and different numbers of radiating fins are selected for assembly according to different radiating requirements.

Drawings

FIG. 1 is a schematic view of an L ED lamp heat sink of the present invention;

FIG. 2 is another perspective view of the L ED lamp heat sink of FIG. 1;

fig. 3 is an assembled view of the L ED lamp heat sink of fig. 1.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1 and fig. 2, the utility model provides an L ED lamp radiator 100, including a plurality of fin 1, a plurality of fin 1 annular sets up and encloses synthetic heat dissipation space 2, interconnect between a plurality of fin 1, be provided with mounting hole 3 between two fin 1 the fin 1 can the modularization preparation, then carries out the equipment of different quantity according to the heat dissipation demand of difference, certainly when the modularization preparation, need reserve the fixed orifices of equipment, the position of seting up of fixed orifices is not limited, technical personnel in the art can set up according to actual need, and it is no longer repeated here.

The heat radiating fin 1 comprises a base plate 11, a plurality of first heat radiating fins 13 arranged on the front surface of the base plate 11 and arranged on the back surface of the base plate 11, a heat radiating groove 14 is concavely arranged in the center of the base plate 11, a plurality of second heat radiating fins 15 are arranged on the back surface of the heat radiating groove 14, and the depth of the heat radiating groove 14 is not less than the length of the first heat radiating fins 13. Thus, the heat exchange rate of the heat dissipation space enclosed by the first heat dissipation fins 13 and the side walls of the heat dissipation groove 14 is high, and the heat dissipation efficiency is high.

Referring to fig. 3, L ED lamp panels 200 are assembled on the heat sink 100, the width and depth of the mounting groove 12 are determined according to the size of L ED lamp panels to be mounted actually, preferably, L ED lamp panels are completely attached to the mounting groove 12. the width of the heat sink 14 is determined according to the power of L ED lamp panels, and for L ED with high power, the unit heat dissipation capacity is larger, so the heat dissipation efficiency in unit time is improved, and the wider the width of the heat sink 14 is, the better the heat dissipation efficiency is.

Because the plurality of radiating fins 1 enclose a radiating space similar to a circle, in order to ensure the best radiating efficiency, the length of the second radiating fin close to the central position among the plurality of second radiating fins 15 is the longest, and the height of the first radiating fin 13 decreases progressively along the two ends of the base plate 11, so that the purpose can be achieved.

Wherein, a plurality of radiating fins 1 can be manufactured by adopting an aluminum profile integral casting molding process according to actual needs by a person skilled in the art.

Any one of the first heat dissipation fins 13 at the two ends of the substrate 11 includes a fixing portion 131 and a heat dissipation portion 132, the fixing portion 131 is connected to the substrate 11, a limiting portion 133 is disposed between the fixing portion 131 and the heat dissipation portion 132 in an outward protruding manner, and the limiting portion 133 and the fixing portion 131 of the two first heat dissipation fins 13 surround the mounting hole 3. Some threads may be provided on the fixing portion 131 and the stopper portion 133 according to the installation requirement.

The utility model discloses when using, can be according to the heat dissipation needs of difference, can install the fan on radiator 100 for the radiating speed of convection reaches anticipated radiating effect.

The utility model discloses L ED lamp radiator includes a plurality of fin, synthetic heat dissipation space is enclosed in a plurality of fin annular settings, interconnect between a plurality of fin, be provided with the mounting hole between two fins, the fin includes the base plate, sets up at the positive mounting groove of base plate and sets up a plurality of first radiating fin at the base plate back, the concave radiating groove that is equipped with in the middle part of base plate, the back of radiating groove is provided with a plurality of second radiating fin, the degree of depth of radiating groove is not less than first radiating fin's length the utility model discloses a set up the radiating groove on the base plate, through the convection current about the air of radiating groove, can derive L ED the heat that gives off as early as possible, through the heat radiating area who sets up second radiating fin increase radiator at the back of radiating groove, can be simultaneously according to different demands, the length setting of second radiating fin differs, and the best selection is the ladder setting, can guarantee radiating best effect, sets up fixed part and spacing portion on the fin, can make the modularization of radiator, according to the heat dissipation demand of difference, selects the fin of different.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The L ED lamp radiator is characterized in that the L ED lamp radiator comprises a plurality of radiating fins, a radiating space is defined by the annular arrangement of the radiating fins, the radiating fins are connected with each other, a mounting hole is formed between the two radiating fins, each radiating fin comprises a base plate, a plurality of first radiating fins arranged on the front face of the base plate and arranged on the back face of the base plate, a radiating groove is formed in the center of the base plate in a concave mode, a plurality of second radiating fins are arranged on the back face of the radiating groove, and the depth of the radiating groove is not smaller than the length of the first radiating fins.

2. The L ED lamp heat sink as claimed in claim 1, wherein the second fins of the plurality of second fins located near the center have the longest length.

3. The L ED lamp heat sink as claimed in claim 1, wherein the fins are formed and connected together by a single-piece casting process.

4. The L ED lamp heat sink as claimed in claim 1, wherein the first heat dissipating fins at either end of the base plate include a fixing portion and a heat dissipating portion, the fixing portion is connected to the base plate, a position limiting portion is disposed between the fixing portion and the heat dissipating portion, and the position limiting portion and the fixing portion of the two first heat dissipating fins surround the mounting hole.

5. The L ED lamp heat sink as claimed in claim 1, wherein the first fins have a height that decreases along the ends of the base plate.