CN201550387U - Radiator with special structure - Google Patents

Radiator with special structure Download PDF

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Publication number
CN201550387U
CN201550387U CN2009201982454U CN200920198245U CN201550387U CN 201550387 U CN201550387 U CN 201550387U CN 2009201982454 U CN2009201982454 U CN 2009201982454U CN 200920198245 U CN200920198245 U CN 200920198245U CN 201550387 U CN201550387 U CN 201550387U
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CN
China
Prior art keywords
heat
base
radiator
radiating
radiating rod
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Expired - Lifetime
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CN2009201982454U
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Chinese (zh)
Inventor
陈凯
章子奇
赵雅杰
韩燕华
陈鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Hpwinner Opto Corp
Original Assignee
ZHEJIANG XIZI OPTOELECTRONICS TECHNOLOGY Co Ltd
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Application filed by ZHEJIANG XIZI OPTOELECTRONICS TECHNOLOGY Co Ltd filed Critical ZHEJIANG XIZI OPTOELECTRONICS TECHNOLOGY Co Ltd
Priority to CN2009201982454U priority Critical patent/CN201550387U/en
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Publication of CN201550387U publication Critical patent/CN201550387U/en
Anticipated expiration legal-status Critical
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  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The utility model relates to a radiator with a special structure, which is used for surface radiating of electronic components and particularly adaptable to radiating of LED modules. The radiator comprises a base 11 and a plurality of chimney-shaped radiating rods 13, wherein the radiating rods 13 are arranged on the base 11 and/or at a position provided with a heat source plate 2 below correspondingly, the base 11 is fixed with the radiating rods 13 integrally or via a split assembly structure, the radiating rods 13 are hollow or non-hollow columns which are cylindrical or conical or polygonal or provided with fins, the base 11 is provided with grooves 15 corresponding to the radiating rods 13, shapes and sizes of the grooves and the radiating rods 13 are consistent, and the radiating rods 13 are inserted into the grooves to be fixed on the base 11. Through holes 4 are arranged on the base 11 corresponding to the radiating rods while avoiding contacting with electric components so as to achieve larger radiating area. The radiator utilizes the chimney-shaped radiating rods to replace the original radiating fin structure, is flexible and unique in design, flexible and variable in arrangement of the radiating rods and the through holes, realizes air convection in different directions, is more favorable for radiating and provides the largest selection space for customers.

Description

Radiator with special construction
Technical field
The utility model relates to a kind of radiator with special construction, is used for the surface radiating of electronic building brick, is particularly useful for the heat radiation of LED module.
Background technology
Any electronic building brick all can produce certain heat inevitably when operation.People are usually by with radiator being the surface realization heat radiation that is fixed on electronic building brick, this is the most general a kind of radiator product, it mainly by heat conduction and cross-ventilation with heat diffusion in surrounding environment, make the temperature of electronic building brick unlikely too high and influence stability, reliability and the operational efficiency of electronic building brick.The radiating effect of radiator depend primarily on the used material of radiator, area of dissipation size and with all multifactor decisions such as cross-ventilation.So people often pass through to change material, or pass through to increase area of dissipation, or improve the radiating effect of radiator by increasing cross-ventilated way.
Known and the present radiator employing of using always of Figure of description 1 expression be the fin type structure, it comprises a base 11 and by extended some fins 12 on the base.Its radiating mode is that a face with base 11 is fitted on the thermal source, and heat conducts on the fin 12 by base 11, and then heat is dispersed in the surrounding environment.The radiating effect of this radiator structure is subjected to the restriction of fin 12 surface area sizes, and fin 12 shapes own also can be to the cross-ventilated adverse effect that causes, this is because on the direction perpendicular to fin, cross-ventilation can be stopped by the edge fin and can't produce better heat radiating effect to the fin of radiator middle section.
Chinese patent by retrieval, the invention of relevant radiator aspect is a lot, and application is also very extensive, but the structure that provides with the utility model is not provided.
The utility model content
The purpose of this utility model provides a kind of radiator with special construction, it specifically is a kind of radiator with the chimney heat-radiating rod, compare existing radiator and have the radiator that area of dissipation is big, cross-ventilation good, radiating effect is splendid, the surface radiating that can be widely used in electronic building brick, be particularly useful for having the heat radiation of LED module, thoroughly solved the heat dissipation problem of existing electronic component product.
The utility model provides a kind of radiator with special construction, comprises a base 11 and the heat-radiating rod 13 that is fixed on the several chimney on the base 11, wherein,
The described heat-radiating rod 13 correspondences face above and/or under the base 11 of being arranged in has the position of thermal source plate 2,
Described base 11 is assembled structure with heat-radiating rod 13 fixed forms, or one-body molded,
Described heat-radiating rod 13 is hollow or not empty cylinder, and cylinder body shape is a cylinder, or cone, or has the heat-radiating rod of fin, or polygon geometry,
And on the position that described base 11 needs, be provided with and be used to install heat-radiating rod (13) with the corresponding groove 15 in heat-radiating rod 13 positions, and on base, be provided with through hole (14), the heat-radiating rod (13) of hollow is installed on the position of corresponding through hole (14), and described lead to the hole site need be avoided the circuit elements device.
The position of through hole 14 is at interval, or intersect, to obtain bigger area of dissipation.
The quantity of the heat-radiating rod 13 of described chimney is not limit, and its arrangement mode can be well-regulated arranged in arrays.
Through hole 14 on the described base 11 should be connected mutually with the cavity of heat-radiating rod 13.
The heat-radiating rod 13 and the base 11 of described chimney can adopt commaterial, or are material not of the same race, and preferred version is the aluminium alloy of perfect heat-dissipating.
When described base 11 and heat-radiating rod 13 were assembled structure, base 11 was welding with the connected mode of heat-radiating rod 13, or inserted and refer to, or was threaded into, or the pyrocondensation nested mode.
Outer surface in described heat-radiating rod 13 is bright and clean surface, or the screw-shaped surface, or concavo-convex surface.
When the described heating electronic building brick 22 on the described thermal source plate 2 when being tabular, described base 11 closely to be fitted with thermal source plate 2, the centre can scribble thermal conductive silicon lipid Heat Conduction Material.
Described heating electronic building brick 22 is the PCB substrate of LED module, the perhaps electric sub-member plate of other sealing, and radiator 1 is sealed in the LED module in its inner chamber jointly with lens board or other sealing plate 3.
When described radiator 1 is used for the heat radiation of LED module, be placed with the ventilation duct 31 of profile and through hole 21 couplings corresponding to through hole 21 positions of thermal source plate 2 at the lens board 3 of described LED module, ventilation duct 31 is connected as a single entity with lens board 3, its mouth of pipe passes in the counterbore 16 on the base 11 that through hole 21 on the thermal source plate 2 is deep into radiator, and set up a rubber washer betwixt and seal, through hole 14 sizes on the hollow hole size of described ventilation duct 31 and the radiator 1 near and interconnect.
When described heat-radiating rod 13 has the circular heat-radiating rod of fin for hollow, there is a small through hole centre of this heat-radiating rod 13, the fin shape that its outer surface structure is formed in one or form by several fins of riveted joint, heat-radiating rod 13 is fixed in the groove 15 of base 11, and the some holes that are provided with in the central authorities of radiator.
The utility model has been realized goal of the invention, be a kind of radiator with special construction, it specifically is a kind of radiator with the chimney heat-radiating rod, have compared to existing technology: 1, She Ji chimney heat-radiating rod replaces former fin heat radiating fin structure, open fully in space between each " chimney ", realize the cross-ventilation of all directions, helped heat radiation.2, owing on base, design and have and the corresponding through hole of chimney heat-radiating rod, from face overcome and eliminated prior art a large amount of heat accumulations on base and not vaporific shortcoming, further increased the area of dissipation of radiator.3, the shaped design of heat-radiating rod is unique flexibly, and the layout of heat-radiating rod and through hole is flexible and changeable, has realized the cross-ventilation of all directions, more helps heat radiation, gives the selection space of client's maximum simultaneously.4, offer through hole on the thermal source plate, and designed ventilation duct, and then can make the inside of foot of radiator and thermal source plate form the natural air convection current, the heat of assembling in the middle of taking away rapidly improves radiating effect greatly.In a word, this radiator has the radiator that area of dissipation is big, cross-ventilation good, radiating effect is splendid, can be widely used in the surface radiating of electronic building brick, is particularly useful for having the heat radiation of LED module, has thoroughly solved the heat dissipation problem of existing electronic component product.
Description of drawings
Fig. 1 is the schematic perspective view of existing finned radiator.
Fig. 2 is a schematic perspective view of the present utility model.
Fig. 3 is the partial cross-section cutaway view of Fig. 1.
Fig. 4 is the decomposing schematic representation of embodiment 1.
Fig. 5 is the decomposing schematic representation of embodiment 2.
Fig. 6 is the structural representation of band fin heat-radiating rod.
Fig. 7 is the decomposing schematic representation of embodiment 3.
Indicate among the figure: 1, radiator, 11, base, 12, fin, 13, heat-radiating rod, 14, through hole, 15, groove, 16, counterbore, 2, the thermal source plate, 21, through hole, 22, heater element, 3, lens board or other sealing plate, 31, ventilation duct.
Embodiment
Accompanying drawing 1-7 is the schematic diagram of the utility model part execution mode, but does not represent restriction of the present utility model, anyly all belongs to technology under the utility model protection range according to the utility model design invention that duplicates mutually down.
Further describe detailed technology content of the present utility model and embodiment below in conjunction with accompanying drawing.
Referring to accompanying drawing 2-4 embodiment 1 of the present utility model is described, embodiment 1 is a kind of technical scheme on the thermal source in air of exposing, wherein, radiator 1 is close to and is combined on the thermal source plate 2, the centre can be coated with Heat Conduction Materials such as heat-conducting silicone grease, heating electronic building brick 22 is arranged on the thermal source plate 2, radiator 1 material is an aluminium alloy, comprise base 11, the heat-radiating rod 13 and the through hole 14 of band chimney, base 11 is a cuboid, thickness is between 6~15mm, on base 11, be furnished with certain spacing distance and be placed with chimney or the cylindric heat-radiating rod 13 of several bands, have through hole 14 at the base 11 of heat-radiating rod 13 correspondences of radiator 1, to reach the purpose that forms free convection and then strengthen the radiator heat-dissipation effect, through hole 14 can be staggered form and arranges, in the shape and the general corresponding shape and the size of being close to the thermal source plate 2 that closes of size of base 11.
Accompanying drawing 5 embodiment 2 of the present utility model, the structure of embodiment 2 expressions has been applied on the demanding thermal source plate of sealing property usually, for example, the heat radiation of LED module, radiator 1 is close on the thermal source plate 2, and thermal source plate 2 and counterbore 16 corresponding positions have the identical or bigger through hole 21 of size, shape and counterbore 16; Thermal source plate 2 is the PCB substrate of LED module or other electric sub-member plate that sealing requirements is arranged, radiator 1 is sealed in the LED module in its inner chamber jointly with lens board or other sealing plate 3, radiator 1 material is an aluminium alloy, comprises base 11, cylindricality heat-radiating rod 13, through hole 14.Base 11 is a cuboid, and thickness is between 6~15mm.Be placed with some column heat-radiating rod 13 with certain spacing distance on the base 11; Described radiator 1 has through hole 1 in heat-radiating rod 13 and base 11; Preferred version is the counterbore 16 that the degree of depth 1~3mm is arranged on the through hole on the base 11 14, is used for helping sealing thermal source plate 2.
When the radiator 1 in the above-mentioned execution mode is applied to the heat radiation of LED module, be placed with the ventilation duct 31 of profile and through hole 21 couplings on the lens board of LED module or other sealing plate 3 corresponding to through hole 21 positions of thermal source plate 2, ventilation duct 31 is connected as a single entity with lens board 3; The mouth of pipe of ventilation duct 31 passes through hole 21 on the thermal source plate 2 and is deep in the counterbore 16 on the foot of radiator 11, and and counterbore 16 between add rubber washer to reach seal request; Through hole 14 sizes on the hollow hole of ventilation duct 31 size and the radiator 1 near and interconnect, and guarantee that the through hole on lens board 3, thermal source plate 2 and the radiator 1 is connected mutually, form complete through hole so that form cross-ventilation in the inside of whole assembly, improve radiating effect greatly.
Need to prove that radiator 1 is not limited to the heat radiation to the LED module, is equally applicable to the heat radiation that other has the high electronic building brick of sealing requirements.
Accompanying drawing 6-7 embodiment 3 of the present utility model, be the radiator that fin is arranged after improving, wherein, insert on the base 11 of radiator 1 finger or screw-in or pyrocondensation nested some heat-radiating rod 13, the centre of heat-radiating rod 13 is a through hole, its outer surface is formed in one or has riveted some fins, outer surface fin radial in heat-radiating rod distributes, the height of fin is about 3~10mm, length is the height of heat-radiating rod, is equipped with through hole on base 11 positions near some heat-radiating rod correspondences of radiator middle body; Be equipped with the hole that external diameter is slightly larger than base plate through holes with base 11 lead to the hole site corresponding sections on the thermal source plate 2, around this hole, be distributed with heater element.Other technology contents of present embodiment duplicates identical with embodiment 1 and 2.
Embodiment 4 is for the shape of cross section of heat-radiating rod is the chimney of circular cone, and other technology contents duplicates identical with embodiment 1 and 2.
Among the above embodiment, the shape of cross section of heat-radiating rod 13 can satisfy the shape that cylinder requires for circular, square hexagon or other.
What need further specify is: be installed in the heat-radiating rod 13 on every table apparatus, its shape of cross section can be designed to identical as required, also can be shape inequality, and their arrangement also can be flexible and changeable.
Said apparatus when described base 11 is assembled structure with heat-radiating rod 13 fixed forms, adds man-hour, is hollow tubular with heat-radiating rod machine-shaping at first, forms in " chimney "; Then, on base, process and the heat-radiating rod cross sectional shape groove 15 that cooperates of mutual energy mutually; At last heat-radiating rod 13 is fixed to one by one in base 11 upper grooves 15; After assembling was fixing, the through hole that runs through type on the base 11 was connected mutually with the hollow hole of heat-radiating rod.
Said apparatus, when described base 11 was formed in one with heat-radiating rod 13 fixed forms, described heat-radiating rod 13 did not need independent processing.
When said apparatus, heat-radiating rod 13 were circular fin shape, fin can be riveted joint, or the one-body molded stretched heat-radiating rod that has fin, above fin on the excircle of heat-radiating rod radially attitude arrange that the existence of fin further increases the cooling surface area of radiator, accelerate heat radiation.
The best mounting means of above variety of way is that thermal source and foot of radiator are fitted tightly, to obtain best radiating effect.

Claims (10)

1. radiator with special construction is characterized in that: comprises a base (11) and is fixed on the heat-radiating rod (13) of the several chimney on the base (11), wherein,
Described heat-radiating rod (13) the correspondence face above and/or under the base (11) of being arranged in has the position of thermal source plate (2),
Described base (11) is assembled structure with heat-radiating rod (13) fixed form, or one-body molded,
Described heat-radiating rod (13) is hollow or not empty cylinder, and cylinder body shape is a cylinder, or cone, or has the heat-radiating rod of fin, or polygon geometry,
On described base (11), be provided with and the corresponding groove of heat-radiating rod (13) (15), the size of groove and shape and heat-radiating rod (13) are consistent, be fixed on the base (11) for heat-radiating rod (13) insertion, and on position base, be provided with through hole (14), the heat-radiating rod (13) of hollow is installed on the position of corresponding through hole (14), and described lead to the hole site need be avoided the circuit elements device.
2. the radiator with special construction according to claim 1, it is characterized in that: the quantity of the heat-radiating rod of described chimney (13) is not limit, its arrangement mode can be well-regulated arranged in arrays, perhaps carries out certain arranging according to the distribution of the heating resistor assembly (22) on the thermal source plate (2).
3. the radiator with special construction according to claim 1 is characterized in that: the through hole (14) on described base (11) should be connected mutually with the cavity of heat-radiating rod (13).
4. the radiator with special construction according to claim 1 is characterized in that: heat-radiating rod of described chimney (13) and base (11) can adopt commaterial, or are material not of the same race, and preferred version is the aluminium alloy of perfect heat-dissipating.
5. the radiator with special construction according to claim 1, it is characterized in that: when described base (11) and heat-radiating rod (13) during for assembled structure, base (11) is welding with the connected mode of heat-radiating rod (13), or slotting finger pressure is gone into, or be threaded into, or pyrocondensation nested mode.
6. the radiator with special construction according to claim 1 is characterized in that: the outer surface in described heat-radiating rod (13) is bright and clean surface, or the screw-shaped surface, or concavo-convex surface.
7. the radiator with special construction according to claim 1, it is characterized in that: when the described heating electronic building brick (22) on the described thermal source plate (2) is the LED particle, with screw or adhesive thermal source plate (2) is fixed on the base (11), the centre can scribble thermal conductive silicon lipid Heat Conduction Material.
8. the radiator with special construction according to claim 7, it is characterized in that: described heating electronic building brick (22) is the PCB substrate of band LED module, perhaps other electric sub-member plate, lens board or other sealing plate (3) cover the LED module and be sealed on the radiator (1).
9. according to claim 7 or 8 described radiators with special construction, it is characterized in that: when described radiator (1) is used for the heat radiation of LED module, be placed with the ventilation duct (31) of profile and through hole (21) coupling corresponding to through hole (21) position of thermal source plate (2) at the lens board (3) of described LED module, ventilation duct (31) is connected as a single entity with lens board (3), its mouth of pipe passes in the counterbore (16) on the base (11) that through hole (21) on the thermal source plate (2) is deep into radiator, and set up a rubber washer betwixt and seal, through hole (14) size on the hollow hole size of described ventilation duct (31) and the radiator (1) near and interconnect.
10. the radiator with special construction according to claim 1, it is characterized in that: when described heat-radiating rod (13) has the circular heat-radiating rod of fin for hollow, there is a small through hole centre of this heat-radiating rod (13), the fin shape that its outer surface structure is formed in one or form by several fins of riveted joint, heat-radiating rod (13) is fixed in the groove (15) of base (11).
CN2009201982454U 2009-09-30 2009-09-30 Radiator with special structure Expired - Lifetime CN201550387U (en)

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Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101943392A (en) * 2010-09-21 2011-01-12 常熟琦光光电科技有限公司 Heat dissipation device
CN102155716A (en) * 2011-04-03 2011-08-17 东莞勤上光电股份有限公司 LED (light-emitting diode) radiator
CN102290388A (en) * 2011-08-11 2011-12-21 深圳市润芯科技有限公司 Electronic control device, heat pipe radiator and manufacturing method of heat pipe radiator
CN102509520A (en) * 2011-11-08 2012-06-20 吴小刚 Ventilating and heat-radiating structure and heat-radiating method of LED (light-emitting diode) display screen
CN102682671A (en) * 2011-09-30 2012-09-19 杨东佐 LED (light-emitting diode) dot matrix display screen and combined dot matrix display screen
CN102682673A (en) * 2011-09-30 2012-09-19 杨东佐 LED (Light Emitting Diode) dot matrix display screen and combined dot matrix display screen
CN102682670A (en) * 2011-09-30 2012-09-19 杨东佐 LED (Light Emitting Diode) dot matrix display screen
CN102984921A (en) * 2012-11-02 2013-03-20 惠州市德赛西威汽车电子有限公司 Power amplification radiator with stack effect
CN103499078A (en) * 2013-09-27 2014-01-08 昆山纯柏精密五金有限公司 LED lamp radiator
WO2014029066A1 (en) * 2012-08-20 2014-02-27 深圳市西德利电子科技有限公司 Pure aluminium/copper radiator, production method thereof and production mould therefor
CN103629576A (en) * 2013-11-28 2014-03-12 广东卓耐普智能技术股份有限公司 High-voltage integration driving LED (Light Emitting Diode) light source
CN103994355A (en) * 2014-06-10 2014-08-20 王菊子 Heat conduction tube type large-power LED lamp
CN104121563A (en) * 2013-04-24 2014-10-29 刘世全 LED lamp radiator
WO2014205614A1 (en) * 2013-06-27 2014-12-31 欧普照明股份有限公司 Led module with vertical convection heat dissipation structure
WO2014205613A1 (en) * 2013-06-28 2014-12-31 欧普照明股份有限公司 Connecting apparatus of lighting fixture
CN104684341A (en) * 2013-11-30 2015-06-03 鸿富锦精密工业(深圳)有限公司 Radiator
CN105910487A (en) * 2016-04-13 2016-08-31 张家港市金邦铝业股份有限公司 Insertion-type aluminum radiator
CN107517571A (en) * 2017-09-06 2017-12-26 合肥同诺文化科技有限公司 Rack heat exchanger fin and its rack
CN108506797A (en) * 2018-03-14 2018-09-07 东莞市闻誉实业有限公司 Lamps and lanterns
CN108633217A (en) * 2017-03-24 2018-10-09 鸿进科技股份有限公司 Radiating fin group
CN109411431A (en) * 2018-11-27 2019-03-01 华南理工大学 A kind of heat exchange structure and preparation method thereof
US10302371B2 (en) 2014-10-20 2019-05-28 Signify Holding B.V. Low weight tube fin heat sink
CN110608389A (en) * 2019-10-23 2019-12-24 江苏沐阳智骅能源科技有限公司 LED ceiling lamp with good heat dissipation effect
WO2021204031A1 (en) * 2020-04-08 2021-10-14 深圳光峰科技股份有限公司 Optical assembly

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101943392A (en) * 2010-09-21 2011-01-12 常熟琦光光电科技有限公司 Heat dissipation device
CN102155716A (en) * 2011-04-03 2011-08-17 东莞勤上光电股份有限公司 LED (light-emitting diode) radiator
CN102290388B (en) * 2011-08-11 2013-09-11 深圳市润芯科技有限公司 Electronic control device, heat pipe radiator and manufacturing method of heat pipe radiator
CN102290388A (en) * 2011-08-11 2011-12-21 深圳市润芯科技有限公司 Electronic control device, heat pipe radiator and manufacturing method of heat pipe radiator
CN102682671B (en) * 2011-09-30 2014-05-14 杨东佐 LED (light-emitting diode) dot matrix display screen and combined dot matrix display screen
CN102682670A (en) * 2011-09-30 2012-09-19 杨东佐 LED (Light Emitting Diode) dot matrix display screen
CN102682671A (en) * 2011-09-30 2012-09-19 杨东佐 LED (light-emitting diode) dot matrix display screen and combined dot matrix display screen
CN102682673A (en) * 2011-09-30 2012-09-19 杨东佐 LED (Light Emitting Diode) dot matrix display screen and combined dot matrix display screen
CN102509520A (en) * 2011-11-08 2012-06-20 吴小刚 Ventilating and heat-radiating structure and heat-radiating method of LED (light-emitting diode) display screen
WO2014029066A1 (en) * 2012-08-20 2014-02-27 深圳市西德利电子科技有限公司 Pure aluminium/copper radiator, production method thereof and production mould therefor
CN102984921A (en) * 2012-11-02 2013-03-20 惠州市德赛西威汽车电子有限公司 Power amplification radiator with stack effect
CN104121563A (en) * 2013-04-24 2014-10-29 刘世全 LED lamp radiator
WO2014205614A1 (en) * 2013-06-27 2014-12-31 欧普照明股份有限公司 Led module with vertical convection heat dissipation structure
WO2014205613A1 (en) * 2013-06-28 2014-12-31 欧普照明股份有限公司 Connecting apparatus of lighting fixture
CN103499078A (en) * 2013-09-27 2014-01-08 昆山纯柏精密五金有限公司 LED lamp radiator
CN103629576A (en) * 2013-11-28 2014-03-12 广东卓耐普智能技术股份有限公司 High-voltage integration driving LED (Light Emitting Diode) light source
CN104684341A (en) * 2013-11-30 2015-06-03 鸿富锦精密工业(深圳)有限公司 Radiator
CN103994355A (en) * 2014-06-10 2014-08-20 王菊子 Heat conduction tube type large-power LED lamp
US10302371B2 (en) 2014-10-20 2019-05-28 Signify Holding B.V. Low weight tube fin heat sink
CN105910487A (en) * 2016-04-13 2016-08-31 张家港市金邦铝业股份有限公司 Insertion-type aluminum radiator
CN108633217A (en) * 2017-03-24 2018-10-09 鸿进科技股份有限公司 Radiating fin group
CN107517571A (en) * 2017-09-06 2017-12-26 合肥同诺文化科技有限公司 Rack heat exchanger fin and its rack
CN108506797A (en) * 2018-03-14 2018-09-07 东莞市闻誉实业有限公司 Lamps and lanterns
CN108506797B (en) * 2018-03-14 2021-02-05 东莞市闻誉实业有限公司 Lamp fitting
CN109411431A (en) * 2018-11-27 2019-03-01 华南理工大学 A kind of heat exchange structure and preparation method thereof
CN110608389A (en) * 2019-10-23 2019-12-24 江苏沐阳智骅能源科技有限公司 LED ceiling lamp with good heat dissipation effect
WO2021204031A1 (en) * 2020-04-08 2021-10-14 深圳光峰科技股份有限公司 Optical assembly

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