CN2934916Y - LED lamp radiation structure - Google Patents

LED lamp radiation structure Download PDF

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Publication number
CN2934916Y
CN2934916Y CNU2006201187321U CN200620118732U CN2934916Y CN 2934916 Y CN2934916 Y CN 2934916Y CN U2006201187321 U CNU2006201187321 U CN U2006201187321U CN 200620118732 U CN200620118732 U CN 200620118732U CN 2934916 Y CN2934916 Y CN 2934916Y
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CN
China
Prior art keywords
heat
cylinder
led lamp
lamp cooling
storage tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2006201187321U
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Chinese (zh)
Inventor
李嘉豪
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JIEFEI CO Ltd
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JIEFEI CO Ltd
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Filing date
Publication date
Application filed by JIEFEI CO Ltd filed Critical JIEFEI CO Ltd
Priority to CNU2006201187321U priority Critical patent/CN2934916Y/en
Application granted granted Critical
Publication of CN2934916Y publication Critical patent/CN2934916Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

A heat radiation structure for LED lamps comprises a heat conduction base, a heat radiator and a plurality of heat tubes. The heat radiator is provided with a hollow cylindrical outer cylinder, an inner side of the outer cylinder is provided with a plurality of accommodation grooves, the condensing ends of a plurality of heat tubes are inserted into the accommodation grooves and the heated ends are attached on the heat conduction base. Further, the inner surface and an outer surface of the outer cylinder are provided with a plurality of heat radiation fins by the aluminum extrusion molding; and the heat tubes are surrounded by the heat radiation fins. Therefore, the heat can be conducted by a plurality of heat tubes respectively, which increases the whole heat contact area and conducts the heat to the outer cylinder rapidly. At the same time, the heat is discharged to the outside quickly through the heat radiation fins which greatly enhances the whole heat radiation efficiency.

Description

The LED lamp cooling structure
Technical field
The utility model relates to a kind of LED lamp cooling structure, especially a kind of as the LED light fixture heat transmission and can significantly improve the radiator structure of entire heat dissipation efficient.
Background technology
Because light emitting diode (LED) has plurality of advantages such as brightness height, power saving, life-span length, and is widely used in the illumination of electronic installation or light fixture, and for increasing its range of exposures and brightness, normally is combined into LED lamp group by a plurality of light emitting diodes.Yet along with the increase of light emitting diode quantity and High Power LED etc. are developed successively, the heat that its running is produced is just progressively upwards soaring.Therefore, have the radiator structure that provides the LED light fixture to use, become one of important topic that the stakeholder studied of being engaged in this industry now.
As depicted in figs. 1 and 2, the heat abstractor 10a that is applied to the LED light fixture at present comprises: hollow axle tube 101a has outside wall surface, reaches and the reverse internal face of outside wall surface; A plurality of radiating fin 102a serve as axle and being located on the outside wall surface of this hollow axle tube 101a at interval radially with this hollow axle tube 101a all, and define the runner 13a of perforation between per two radiating fin 102a; And heat pipe 104a, be located in this hollow axle tube 101a and paste mutually with inner wall surface thereof and to touch.Can conduct heat to earlier on the heat pipe 104a when hot when the LED light fixture produces, be passed on the radiating fin 102a by heat pipe 104a again, by radiating fin 102a with hot type for outside.
Yet, above-mentioned heat abstractor 10a is only by the conduction of heat pipe 104a as thermal source, can't very promptly thermal source be conducted on the radiating fin 102a, and heat pipe 104a has one section long distance again to the end of radiating fin 102a, outside can't very apace thermal source row being dissipated to, reduce the radiating efficiency of entire heat dissipation device 10a on the contrary.
In view of the problem that is produced in the above-mentioned known technology, so the design people is engaged in the sector experience for many years, and in line with excelsior spirit, the active research improvement proposes a kind of new LED lamp cooling structure.
The utility model content
In order to overcome above-mentioned the problems of the prior art, the purpose of this utility model is to provide a kind of LED lamp cooling structure, comprises heat dissipation base, heat radiator body and a plurality of heat pipe.Wherein, this heat radiator body has the outer cylinder body that is hollow tube-shape, and form a plurality of storage tanks in the medial surface place of outer cylinder body one aluminium extrusion, the condensation end of a plurality of heat pipes is plugged in these storage tanks, the heating end of heat pipe then is fitted on the heat dissipation base, and in addition, aluminium extrusion forms a plurality of radiating fins respectively at the inner surface of this outer cylinder body and outer surface place, all surrounded around the heat pipe, and the end-to-end distance that makes heat pipe and radiating fin is from shortening by radiating fin.
Preferably, outer cylinder body can be Any shape, and as circular or polygon-shaped person, and this outer cylinder body can circulate air, and improves entire heat dissipation efficient more owing to be hollow tube-shape.
The utility model with said structure can not only make heat energy be conducted by a plurality of heat pipe respectively, increasing the whole thermocontact area that is subjected to, thereby can very promptly conduct heat on the heat radiator body.And, also shortened the distance between heat pipe and radiating fin end, thereby outside very apace heat being expelled to, significantly to improve the radiating efficiency of entire heat dissipation structure.
Description of drawings
Fig. 1 is the top plan view of known heat abstractor;
Fig. 2 is the side cutaway view of known heat abstractor;
Fig. 3 is the three-dimensional exploded view of the utility model LED light fixture and radiator structure;
Fig. 4 is the combination section of the utility model LED light fixture and radiator structure;
Fig. 5 is the line 5-5 profile of the utility model Fig. 4;
Fig. 6 is the three-dimensional exploded view of the utility model LED light fixture and radiator structure second embodiment;
Fig. 7 is the 7-7 profile of the utility model Fig. 6 line;
Fig. 8 is the top plan view of the utility model LED light fixture and radiator structure the 3rd embodiment.
The primary clustering symbol description is as follows:
LED light fixture 10 substrates 1
Power line 11 light emitting diodes 2
Lampshade 3 openings 31
Radiator structure 20 heat dissipation bases 4
Heat pipe 5,5 ' heating end 51,51 '
Condensation end 52,52 ' heat radiator body 6,6 '
Outer cylinder body 60,60 ' storage tank 61,61 '
Radiating fin 62,62 ', 63,63 '
Pore 64
The specific embodiment
In order to make your juror can further understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet accompanying drawing only provide with reference to and explanation, be not to be used for the utility model is limited.
The utility model provides a kind of LED lamp cooling structure, please refer to shown in Figure 3.LED light fixture 10 comprises substrate 1, carries a plurality of light emitting diodes (LED) 2 on the substrate 1, and is connected with two power lines 11 from substrate 1, is provided with lampshade 3 in addition.It is bowl-shape that lampshade 3 roughly is, and makes the substrate 1 that carries light emitting diode 2 and the heat dissipation base 4 of the utility model radiator structure 20 together be fixed on the place, bottom of lampshade 3, and two power lines 11 pass outside from the bottom end opening 31 of lampshade 3.
In the utility model, radiator structure 20 comprises heat dissipation base 4, and heat dissipation base 4 can be copper or aluminium material.The one side of heat dissipation base 4 fits together with the substrate 1 of LED light fixture 10, then protruding opening 31 places that are exposed at lampshade 3 bottoms of another side.In addition, be provided with a plurality of heat pipes 5.In first embodiment of the present utility model, be provided with two heat pipes 5 that are the U font, each heat pipe 5 comprises the heating end 51 and the two vertical condensation ends 52 of level, and the heating end 51 of level is fixed on the heat dissipation base 4, and vertical condensation end 52 then is located on the heat radiator body 6.
Please continue with reference to shown in Figure 3, heat radiator body 6 has the outer cylinder body 60 that is hollow tube-shape, and forms a plurality of along its storage tank 61 that axially is provided with in the medial surface place of outer cylinder body 60 one aluminium extrusion.The condensation end 52 of each heat pipe 5 is plugged in the storage tank 61, and can be coated with one deck heat-conducting medium at the inner surface of storage tank 61, and heat energy is conducted on the condensation end 52 of heat pipe 5 effectively.In addition, at the inner surface of outer cylinder body 60 and outer surface place respectively aluminium extrusion form a plurality of radiating fins 62.In the present embodiment, outer cylinder body 60 is rounded, and at the outer surface place of outer cylinder body 60 radially and equidistant aluminium extrusion form a plurality of short radiating fins 62, at the inner surface place of outer cylinder body 60 then between two storage tanks 61 then radially past interior aluminium extrusion form a plurality of long radiating fins 63.
In addition, as shown in Figure 5, the section of each storage tank 61 can be opening-like, and promptly each storage tank 61 communicates with the inner space of outer cylinder body 60; And as shown in Figure 7, the section of each storage tank 61 also can be closed, and promptly each storage tank 61 does not communicate with the inner space of outer cylinder body 60.Simultaneously, also can be provided with pore 64 on each storage tank 61, insert in the pore 64 and be convenient to welding for scolder.
Please refer to Fig. 4, shown in Figure 5, during the utility model assembling, make the substrate 1 that carries light emitting diode 2 and heat dissipation base 4 together be fixed on opening 31 places of lampshade 3 bottoms, and two power supplys 11 on the substrate 1 are piercing in outside the lampshade 3, and heating end 51 applyings of heat pipe 5 are fixed on the heat dissipation base 4, the condensation end 52 of heat pipe 5 also is located in the storage tank 61 of heat radiator body 6 simultaneously, heat pipe 5 is all surrounded by radiating fin 62,63 all around, thereby can shorten the distance of heat pipe 5 and radiating fin 62 ends.
Therefore, when LED light fixture 10 in use, the heat that light emitting diode 2 is produced can be conducted to earlier on the heat dissipation base 4, conducts on each heat pipe 5 again, be passed on the radiating fin 62,63 by each heat pipe 5 at last, by radiating fin 62,63 with thermal source discharge in outside.
Please refer to Fig. 6, shown in Figure 7, be second embodiment of the present utility model.Wherein, heat pipe 5 ' can be the L type, and it also comprises the heating end 51 ' that is level and vertical condensation end 52 '.In addition, please refer to shown in Figure 8ly, be the 3rd embodiment of the present utility model.Wherein, the outer cylinder body 60 ' of heat radiator body 6 ' can be polygon, is octagon as present embodiment.Therefore, all aluminium extrusion forms multi-disc radiating fin 62 ', 63 ' at the interior outer surface place of eight sides, and be provided with eight storage tanks 61 ', and be provided with four heat pipes 5 that are the U font, each heat pipe 5 comprises the heating end 51 and the two vertical condensation ends 52 of level.
In the utility model, because thermal source is conducted by a plurality of heat pipe 5 respectively, to increase the whole thermocontact area that is subjected to, from can very promptly thermal source being conducted on the outer cylinder body 60, and because this outer cylinder body 60 is hollow tube-shape, air can be circulated, to accelerate rate of heat dispation.Simultaneously and since the interior outer surface of outer cylinder body 60 all aluminium extrusion form radiating fin 62,63, make the distance shortening between heat pipe 5 and radiating fin 62 ends, thus outside very apace thermal source being expelled to, significantly to improve the radiating efficiency of entire heat dissipation structure 20.
Yet the above only is a preferred embodiment of the present utility model, and is non-for limiting scope of the present utility model; Will be understood by those skilled in the art that according to feature category of the present utility model, other equivalence of being done changes or modifies, and all should be encompassed in the scope of the present utility model.

Claims (10)

1. a LED lamp cooling structure is characterized in that, comprising:
Heat dissipation base contacts with the thermal source of described LED light fixture;
Heat radiator body, by the aluminium extrusion moulding and be positioned at described heat dissipation base top, described heat radiator body has the outer cylinder body that is hollow tube-shape, and is formed with a plurality of along its storage tanks that axially are provided with at the medial surface place of described outer cylinder body; And
A plurality of heat pipes, each heat pipe are made of the condensation end that is fixed on the heating end on the described heat dissipation base and be located on the storage tank of described heat radiator body at least.
2. LED lamp cooling structure as claimed in claim 1 is characterized in that the outer cylinder body of described heat radiator body is rounded.
3. LED lamp cooling structure as claimed in claim 1 is characterized in that the outer cylinder body of described heat radiator body is polygon.
4. LED lamp cooling structure as claimed in claim 1, the outer cylinder body that it is characterized in that described heat radiator body outwards forms a plurality of radiating fins radially at its outer surface place, and the inner surface of outer cylinder body is in and inwardly forms a plurality of radiating fins between each storage tank radially.
5. LED lamp cooling structure as claimed in claim 1 is characterized in that described storage tank inner surface is coated with one deck heat-conducting medium.
6. LED lamp cooling structure as claimed in claim 1 is characterized in that the section of described storage tank is opening-like.
7. LED lamp cooling structure as claimed in claim 1 is characterized in that the section of described storage tank is closed.
8. LED lamp cooling structure as claimed in claim 1 is characterized in that described storage tank is provided with pore.
9. LED lamp cooling structure as claimed in claim 1 is characterized in that described heat pipe is the U font.
10. LED lamp cooling structure as claimed in claim 1 is characterized in that described heat pipe is the L font.
CNU2006201187321U 2006-06-15 2006-06-15 LED lamp radiation structure Expired - Fee Related CN2934916Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2006201187321U CN2934916Y (en) 2006-06-15 2006-06-15 LED lamp radiation structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2006201187321U CN2934916Y (en) 2006-06-15 2006-06-15 LED lamp radiation structure

Publications (1)

Publication Number Publication Date
CN2934916Y true CN2934916Y (en) 2007-08-15

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Country Link
CN (1) CN2934916Y (en)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7637636B2 (en) 2007-11-02 2009-12-29 Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. LED lamp
US7637635B2 (en) 2007-11-21 2009-12-29 Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. LED lamp with a heat sink
CN101408298B (en) * 2007-10-09 2010-10-13 金松山 Upright post type LED heat radiator
CN101871593A (en) * 2010-07-02 2010-10-27 上海交通大学 LED high-pole lamp having flexible gravity assisted heat pipe radiator
CN101910722A (en) * 2007-12-28 2010-12-08 夏普株式会社 Radiator, and lighting device
US7857486B2 (en) 2008-06-05 2010-12-28 Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. LED lamp assembly having heat pipes and finned heat sinks
CN101566332B (en) * 2009-05-22 2011-09-28 大连金三维科技有限公司 Heat dissipation device and lighting equipment
CN101457913B (en) * 2007-12-12 2011-09-28 富准精密工业(深圳)有限公司 LED lamp
CN102221153A (en) * 2011-06-09 2011-10-19 中山伟强科技有限公司 High-power light-emitting diode (LED) lamp
CN101539284B (en) * 2008-03-21 2012-05-16 富准精密工业(深圳)有限公司 LED illumination device
CN101614385B (en) * 2008-06-27 2012-07-04 富准精密工业(深圳)有限公司 LED lamp
CN101382273B (en) * 2007-09-07 2012-07-04 富准精密工业(深圳)有限公司 LED lamp with heat radiation structure
CN102767810A (en) * 2012-07-23 2012-11-07 佑图物理应用科技发展(武汉)有限公司 High-power LED (light-emitting diode) lamp radiator
CN102803842A (en) * 2009-06-25 2012-11-28 皇家飞利浦电子股份有限公司 Heat managing device
CN101790263B (en) * 2009-01-22 2012-12-26 陈鸿 Heat dissipation fault warning method of LED lamp and heat dissipating device
CN102927541A (en) * 2011-08-12 2013-02-13 利得全股份有限公司 Lamp radiating device and radiating body structure thereof
CN103968348A (en) * 2014-05-13 2014-08-06 东莞市闻誉实业有限公司 LED radiator

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101382273B (en) * 2007-09-07 2012-07-04 富准精密工业(深圳)有限公司 LED lamp with heat radiation structure
CN101408298B (en) * 2007-10-09 2010-10-13 金松山 Upright post type LED heat radiator
US7637636B2 (en) 2007-11-02 2009-12-29 Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. LED lamp
CN101424394B (en) * 2007-11-02 2010-09-08 富准精密工业(深圳)有限公司 Heat radiating device and led lamp using the same
US7637635B2 (en) 2007-11-21 2009-12-29 Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. LED lamp with a heat sink
CN101457913B (en) * 2007-12-12 2011-09-28 富准精密工业(深圳)有限公司 LED lamp
CN101910722A (en) * 2007-12-28 2010-12-08 夏普株式会社 Radiator, and lighting device
CN101539284B (en) * 2008-03-21 2012-05-16 富准精密工业(深圳)有限公司 LED illumination device
US7857486B2 (en) 2008-06-05 2010-12-28 Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. LED lamp assembly having heat pipes and finned heat sinks
CN101614385B (en) * 2008-06-27 2012-07-04 富准精密工业(深圳)有限公司 LED lamp
CN101790263B (en) * 2009-01-22 2012-12-26 陈鸿 Heat dissipation fault warning method of LED lamp and heat dissipating device
CN101566332B (en) * 2009-05-22 2011-09-28 大连金三维科技有限公司 Heat dissipation device and lighting equipment
CN102803842A (en) * 2009-06-25 2012-11-28 皇家飞利浦电子股份有限公司 Heat managing device
CN102803842B (en) * 2009-06-25 2015-07-01 皇家飞利浦电子股份有限公司 Heat managing device
US9157598B2 (en) 2009-06-25 2015-10-13 Koninklijke Philips N.V. Heat managing device
CN101871593A (en) * 2010-07-02 2010-10-27 上海交通大学 LED high-pole lamp having flexible gravity assisted heat pipe radiator
CN102221153A (en) * 2011-06-09 2011-10-19 中山伟强科技有限公司 High-power light-emitting diode (LED) lamp
CN102221153B (en) * 2011-06-09 2013-08-14 中山伟强科技有限公司 High-power light-emitting diode (LED) lamp
CN102927541A (en) * 2011-08-12 2013-02-13 利得全股份有限公司 Lamp radiating device and radiating body structure thereof
CN102767810A (en) * 2012-07-23 2012-11-07 佑图物理应用科技发展(武汉)有限公司 High-power LED (light-emitting diode) lamp radiator
CN102767810B (en) * 2012-07-23 2014-07-09 佑图物理应用科技发展(武汉)有限公司 High-power LED (light-emitting diode) lamp radiator
CN103968348A (en) * 2014-05-13 2014-08-06 东莞市闻誉实业有限公司 LED radiator

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20070815

Termination date: 20110615