CN101526202A - Light-emitting diode (LED) illuminating apparatus - Google Patents

Light-emitting diode (LED) illuminating apparatus Download PDF

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Publication number
CN101526202A
CN101526202A CN200810300463A CN200810300463A CN101526202A CN 101526202 A CN101526202 A CN 101526202A CN 200810300463 A CN200810300463 A CN 200810300463A CN 200810300463 A CN200810300463 A CN 200810300463A CN 101526202 A CN101526202 A CN 101526202A
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CN
China
Prior art keywords
light emitting
heat
light
emitting diode
illuminating apparatus
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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.)
Pending
Application number
CN200810300463A
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Chinese (zh)
Inventor
简士哲
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.)
Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
Original Assignee
Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hongfujin Precision Industry Shenzhen Co Ltd, Hon Hai Precision Industry Co Ltd filed Critical Hongfujin Precision Industry Shenzhen Co Ltd
Priority to CN200810300463A priority Critical patent/CN101526202A/en
Publication of CN101526202A publication Critical patent/CN101526202A/en
Pending legal-status Critical Current

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  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

A light-emitting diode (LED) illuminating apparatus comprises a lampshade, a light-emitting module and a heat dissipation module. The lamp cover comprises a heat dissipation shell and a light emitting part. The light-emitting module is arranged in the heat dissipation shell, is opposite to the light emitting part and comprises a plurality of light-emitting diodes (LEDs), and light emitted by the LEDs is emitted by the light emitting part. The heat dissipation module is arranged in the heat dissipation shell and positioned at one side of the light-emitting module, which is far away from the light emitting part. The heat dissipation module comprises a plurality of heat pipes, evaporation ends of the heat pipes are connected with the LEDs, and condensation ends of the heat pipes are thermally connected with the heat dissipation shell.

Description

Light emitting diode illuminating apparatus
Technical field
The present invention relates to a kind of light emitting diode illuminating apparatus.
Background technology
Now, (Light Emitting Diode LED) has been widely applied to a lot of fields to light emitting diode, especially is widely used in street lamp.At this, a kind of novel light-emitting diode can be referring to people such as Daniel A.Steigerwald at document IEEEJournal on Selected Topics in Quantum Electronics, Vol.8, No.2, Illumination With Solid State Lighting Technology one literary composition among the March/April 2002.
Because light emitting diode is when luminous, the temperature of himself can raise gradually, and when temperature acquired a certain degree, its operating voltage, emission wavelength and light output intensity etc. all can be subjected to bigger influence.And in the continuous firing process of lighting device,, will cause the damage of assembly such as light emitting diode to make lighting device normally to move if the heat that light emitting diode produced can't in time leave.Generation for fear of this situation, needing provides a heat dissipation element to light emitting diode, for example radiator fan, heat pipe or the like, because the radiating efficiency of radiator fan is lower, so the normal heat pipe that adopts is as heat dissipation element, yet, utilize in the lighting device of heat pipe as heat dissipation element existing, general heat pipe and light emitting diode plane parallel setting of living in, promptly the heating end of this heat pipe and radiating end be on same plane and this plane and the residing plane parallel of this light emitting diode, and be not high with the radiating efficiency that causes this heat pipe.
Summary of the invention
To the light emitting diode illuminating apparatus of a kind of tool than high cooling efficiency be described with embodiment below.
A kind of light emitting diode illuminating apparatus, it comprises: a lampshade, an illuminating module and a heat radiation module.This lampshade comprises a radiating shell and a light out part; It is interior and relative with this light out part that this illuminating module is arranged on this radiating shell, and this illuminating module comprises a plurality of light emitting diodes, and the light that these a plurality of light emitting diodes send penetrates via this light out part; And this heat radiation module is arranged in this radiating shell and is positioned at the side away from this light out part of this illuminating module, this heat radiation module comprises a plurality of heat pipes, the evaporation ends of these a plurality of heat pipes and these a plurality of light emitting diode thermally coupleds, its condensation end and this radiating shell thermally coupled.
With respect to prior art, the evaporation ends of a plurality of heat pipes and a plurality of light emitting diode thermally coupled in the described light emitting diode illuminating apparatus, the heat that can fast these a plurality of light emitting diodes be produced is sent to heat pipe, and the condensation end of these a plurality of heat pipes and this radiating shell thermally coupled, can in time above-mentioned heat be sent in the air, therefore described light emitting diode illuminating apparatus can effectively improve radiating efficiency, and the heat radiation module in the described light emitting diode illuminating apparatus is positioned at the side away from light out part of this light emitting diode, can not stop or absorb the light that this light emitting diode sends, can avoid this heat radiation module to cause the light loss consumption.
Description of drawings
Fig. 1 is the schematic cross-section of light emitting diode illuminating apparatus of the present invention;
Fig. 2 is the operation principle schematic diagram of heat pipe shown in Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present invention is described in further detail.
See also Fig. 1, a kind of tool that embodiment of the present invention provides is than the light emitting diode illuminating apparatus 100 of high cooling efficiency, and it comprises: lampshade 10, an illuminating module 20 and a heat radiation module 30.
This lampshade 10 comprises a radiating shell 11, a light out part 13 and a diffuser plate 12 that is arranged on this light out part 13.This light out part 13 can be an opening, as shown in Figure 1, also can be made by a transparent material.
It is interior and relative with this light out part 13 that this illuminating module 20 is arranged on this radiating shell 11, and it comprises a reflector 22 and a plurality of light emitting diode 21 that is arranged on the inner surface of this reflector 22.This a plurality of light emitting diode 21 is with array, and for example mode such as matrix form or linear array formula is arranged.
This heat radiation module 30 is arranged in this radiating shell 11 and is positioned at the side away from this light out part 13 of this illuminating module 20.This heat radiation module 30 comprises first heat-conducting plate 32, second heat-conducting plate 33 and a plurality of heat pipe 31.This first heat-conducting plate 32 be positioned at these a plurality of light emitting diodes 21 away from a side of this light out part 13 and with its thermally coupled, this second heat-conducting plate 33 is fixed on this radiating shell 11.The evaporation ends 311 of these a plurality of heat pipes 31 is fixed on the side away from these a plurality of light emitting diodes 21 of this first heat-conducting plate 32, and the condensation end 312 of these a plurality of heat pipes 31 is via this second heat-conducting plate 33 and these radiating shell 11 thermally coupleds.These a plurality of heat pipes 31 are parallel to each other and are provided with at interval, and corresponding one by one with these a plurality of light emitting diodes 21, and the length direction of these a plurality of heat pipes 31 is parallel with the normal vector direction M on these a plurality of light emitting diodes 21 residing planes.
This reflector 22 reflexes to this diffuser plate 12 with these light emitting diode 21 light that send and that be incident on it, is penetrated from this light out part 13 with this light uniformization and with it by this diffuser plate 12.The setting of this reflector 22 can reduce the light loss consumption and improve the light utilization ratio.
These a plurality of light emitting diodes 21 in the ordinary course of things, electro-optical efficiency is about 40%, all the other electric energy of about 60% convert heat energy to.The heat that produces during these a plurality of light emitting diodes 21 work is passed to first heat-conducting plate 32 via this reflector 22, thereby has avoided a large amount of heat accumulations to cause temperature too high and influence the operate as normal of these a plurality of light emitting diodes 21 in this reflector 22.This first heat-conducting plate 32 can be the metallic plates such as copper coin with good heat conductive performance, and its heat with absorption sends the evaporation ends 311 with these first heat-conducting plate, 32 hot linked these a plurality of heat pipes 31 fast to.
See also Fig. 2, the working fluid of these a plurality of heat pipes 31 absorbs undergoing phase transition of heat and becomes gaseous state at evaporation ends 311, the working fluid of gaseous state arrives condensation end 312 and discharges the heat that is absorbed and be transformed into liquid state, flows back to evaporation ends 311 via capillary structure layer 313 again.This condensation end 312 and these second heat-conducting plate, 33 thermally coupleds, this second heat-conducting plate 32 is one to have the metallic plates such as copper coin of good heat conductive performance, itself and this radiating shell 11 thermally coupleds, this radiating shell 11 and natural convection air, thereby the heat that this light emitting diode illuminating apparatus 100 is produced in the course of the work and sent by this condensation end 312 is sent to the external world, reaches the heat radiation purpose.
In addition, those skilled in the art also can do other and change in spirit of the present invention, for example the quantity of heat pipe 31, arrangement mode, length direction and or shape etc., as long as it does not depart from technique effect of the present invention and all can.The variation that these are done according to spirit of the present invention all should be included within the present invention's scope required for protection.

Claims (10)

1. light emitting diode illuminating apparatus, it comprises: a lampshade, an illuminating module and a heat radiation module is characterized in that:
This lampshade comprises a radiating shell and a light out part;
It is interior and relative with this light out part that this illuminating module is arranged on this radiating shell, and this illuminating module comprises a plurality of light emitting diodes, and the light that these a plurality of light emitting diodes send penetrates via this light out part; And
This heat radiation module is arranged in this radiating shell and is positioned at the side away from this light out part of this illuminating module, and this heat radiation module comprises a plurality of heat pipes, the evaporation ends of these a plurality of heat pipes and these a plurality of light emitting diode thermally coupleds, its condensation end and this radiating shell thermally coupled.
2. light emitting diode illuminating apparatus as claimed in claim 1 is characterized in that, this light out part is provided with a diffuser plate, the light that this diffuser plate sends in order to these a plurality of light emitting diodes of homogenising.
3. light emitting diode illuminating apparatus as claimed in claim 1 is characterized in that, this illuminating module also comprises a reflector, this reflector in order to will these a plurality of light emitting diodes send and be incident to light on it and reflex to this light out part and penetrate.
4. light emitting diode illuminating apparatus as claimed in claim 1, it is characterized in that, this heat radiation module also comprises one first heat-conducting plate, this first heat-conducting plate be positioned at these a plurality of light emitting diodes away from a side of this light out part and with its thermally coupled, the evaporation ends of these a plurality of heat pipes is fixed on the side away from these a plurality of light emitting diodes of this first heat-conducting plate.
5. light emitting diode illuminating apparatus as claimed in claim 4 is characterized in that, this first heat-conducting plate is a copper coin.
6. light emitting diode illuminating apparatus as claimed in claim 4, it is characterized in that, this heat radiation module also comprises one second heat-conducting plate, and this second heat-conducting plate is fixed on this radiating shell, and the condensation end of these a plurality of heat pipes is via this second heat-conducting plate and this radiating shell thermally coupled.
7. light emitting diode illuminating apparatus as claimed in claim 6 is characterized in that, this second heat-conducting plate is a copper coin.
8. light emitting diode illuminating apparatus as claimed in claim 1 is characterized in that, these a plurality of heat pipes are corresponding one by one with these a plurality of light emitting diodes.
9. light emitting diode illuminating apparatus as claimed in claim 8 is characterized in that, these a plurality of heat pipes are parallel to each other and are provided with at interval.
10. light emitting diode illuminating apparatus as claimed in claim 1 is characterized in that, the length direction of each these a plurality of heat pipe is parallel with a normal vector direction on this a plurality of light emitting diodes plane of living in.
CN200810300463A 2008-03-05 2008-03-05 Light-emitting diode (LED) illuminating apparatus Pending CN101526202A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200810300463A CN101526202A (en) 2008-03-05 2008-03-05 Light-emitting diode (LED) illuminating apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200810300463A CN101526202A (en) 2008-03-05 2008-03-05 Light-emitting diode (LED) illuminating apparatus

Publications (1)

Publication Number Publication Date
CN101526202A true CN101526202A (en) 2009-09-09

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102418914A (en) * 2010-09-28 2012-04-18 陈理诚 Heat radiation platform of light emitting diode
CN102859275A (en) * 2010-05-03 2013-01-02 奥斯兰姆施尔凡尼亚公司 Thermosyphon light engine and luminaire including same
CN104979309A (en) * 2015-06-24 2015-10-14 镇江佳鑫精工设备有限公司 Heat pipe heat dissipation apparatus
CN105020646A (en) * 2015-05-18 2015-11-04 东莞市闻誉实业有限公司 Streetlamp
CN106402686A (en) * 2016-11-29 2017-02-15 盐城市新亚自控设备股份有限公司 Cooling device of LED array device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102859275A (en) * 2010-05-03 2013-01-02 奥斯兰姆施尔凡尼亚公司 Thermosyphon light engine and luminaire including same
US9273861B2 (en) 2010-05-03 2016-03-01 Osram Sylvania Inc. Thermosyphon light engine and luminaire including same
CN102418914A (en) * 2010-09-28 2012-04-18 陈理诚 Heat radiation platform of light emitting diode
CN105020646A (en) * 2015-05-18 2015-11-04 东莞市闻誉实业有限公司 Streetlamp
CN104979309A (en) * 2015-06-24 2015-10-14 镇江佳鑫精工设备有限公司 Heat pipe heat dissipation apparatus
CN106402686A (en) * 2016-11-29 2017-02-15 盐城市新亚自控设备股份有限公司 Cooling device of LED array device
CN106402686B (en) * 2016-11-29 2018-05-15 盐城市新亚自控设备股份有限公司 A kind of cooling device of LED array device

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Open date: 20090909