CN101718404A - Thermotube radiating type LED lamp - Google Patents
Thermotube radiating type LED lamp Download PDFInfo
- Publication number
- CN101718404A CN101718404A CN200910258396A CN200910258396A CN101718404A CN 101718404 A CN101718404 A CN 101718404A CN 200910258396 A CN200910258396 A CN 200910258396A CN 200910258396 A CN200910258396 A CN 200910258396A CN 101718404 A CN101718404 A CN 101718404A
- Authority
- CN
- China
- Prior art keywords
- lamp
- led
- radiating
- thermotube
- reflection shield
- 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.)
- Pending
Links
- 238000009833 condensation Methods 0.000 claims abstract description 27
- 230000005494 condensation Effects 0.000 claims abstract description 27
- 239000000758 substrate Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005755 formation reaction Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 abstract 2
- 230000001174 ascending Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 230000002093 peripheral Effects 0.000 abstract 1
- 101710026373 MME Proteins 0.000 description 6
- 101710026336 S5 Proteins 0.000 description 6
- 230000003287 optical Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000051 modifying Effects 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000001808 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000630 rising Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N silicon Chemical compound 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[Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/233—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating a spot light distribution, e.g. for substitution of reflector lamps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The invention relates to the technical field of LED illumination devices, in particular to a thermotube radiating type LED lamp. The LED lamp comprises an LED power drive and a reflecting shade connected with the LED power drive, wherein the reflecting shade is internally provided with an LED module connected with the LED power drive, and the periphery of the reflecting shade is provided with a thermotube radiating device; evaporation sections of the thermotube radiating device are combined with the LED module, and condensation sections are arranged on the periphery of the reflecting shade; and radiating fins are arranged on the condensation sections. The reflecting shade is of a PAR lamp reflecting shade structure, and the peripheral edge of the reflecting shade is also provided with a lamp ring. The condensation sections are distributed in a helical ascending trend around the reflecting shade, the radiating fins are uniformly distributed on the condensation sections, and the radiating fins and the lamp ring are fixedly connected. In the invention, the thermotube radiating device is skillfully assembled with the LED module and the reflecting shade, and on the basis of improving the radiating efficiency, the volume of the lamp body is also reduced. In addition, the power drive and the whole lamp are tightly combined, thereby further reducing the volume of the LED lamp body and creating conditions for the application the LED lamp to ordinary illumination.
Description
Technical field
The present invention relates to LED lighting device technical field, be specifically related to a kind ofly improve radiator structure and can be applied in LED lamp under the high-power condition.
Background technology
The semiconductor LED lighting source has advantages such as long, energy-conservation, peaceful, environmental protection of life-span, rich color and microminiaturization and is called as light source of future generation and extremely arrives concern.Along with the continuous development of power-saving technology, the LED lamp will be the direction of following illuminating industry development.A principal element of present stage restriction LED development is dispelled the heat exactly.Especially for high-power LED, when luminous flux increased, the heat that LED produces was also increasing.The heat that LED produces will directly cause the temperature of LED PN junction to raise if can not in time shed, and the height of LED PN junction temperature directly has influence on the light extraction efficiency, life-span, reliability of LED etc.In order to obtain having the LED lamp of better performance, solving heat dissipation problem is necessary step.Behind the light extraction efficiency that has guaranteed LED, what improve is the light efficiency of whole lamp, and this makes the optical design of optimizing become inevitable trend.
The heat radiation package design of high-powered LED lamp all is based upon on the metal heat-conducting ability in the prior art, mainly carries out Natural Heat Convection by the lamp body that has radiating fin.The disclosed high-power LED encapsulation of China's CN200510075355.8 patent, in this LED encapsulation, silicon submount is connected directly to fin, and the heat that produces during LED work also is to distribute by fin.But for the LED lamp that existing this class is dispelled the heat by radiating fin, along with the increasing of lamp power, required area of dissipation and volume also increasing, are added the essential power drives of LED, thereby are caused the volume of lamp body big, and quality is heavy, gives to install and also makes troubles.Consider requirements of saving energy, also be difficult for selecting for use fan to force cooling, therefore select for use a kind of heat pipe of heat abstractor more efficiently to be very important.
Summary of the invention
Problem to be solved by this invention provides a kind of lamp body structure compactness, thermotube radiating type LED lamp that radiating efficiency is high.
The present invention is achieved through the following technical solutions:
Design a kind of thermotube radiating type LED lamp, comprise lamp body, described lamp body includes LED power drives and the reflection shield that is connected with the LED power drives, and the led module that is connected with the LED power drives is installed in the reflection shield, is provided with heat-pipe radiating apparatus around the described reflection shield
The described heat-pipe radiating apparatus of technique scheme is divided into evaporator section and condensation segment, and evaporator section and led module combine, and condensation segment is positioned at around the reflection shield, and described condensation segment is provided with radiating fin.Described reflection shield is a PAR reflector of lamp structure, the light that led module sends with 2 Π directions upwards projects on the reflection shield, behind reflection shield, throw away along being directed downwards of reflection ray, reflection shield week is along also being provided with the lamp ring, described condensation segment is around diffuser ascendant trend distribution in the shape of a spiral, radiating fin is uniformly distributed on the condensation segment, and makes radiating fin fixedly connected with the lamp ring.Described led module comprises led light source and substrate two parts, and led light source is single LEDs, or the LED module of plurality of LEDs formation.
In order to be fit to general lighting, to improving of technique scheme, also include the screw type lamp holder on the described lamp body, LED power drives one end is connected with the screw type lamp holder, and the other end connects reflection shield.Preferentially, the screw type lamp holder adopts the E27 lamp holder.
For LED lamp of the present invention can be used in rotatable scene, technique scheme is carried out another kind to be improved, described lamp body also comprises railroad, railroad comprises slide rail stiff end, connecting axle and link, the slide rail stiff end is used for fixedlying connected with outside track of sliding track, connecting axle one end and slide rail stiff end articulate, and the other end is fixedlyed connected by link and LED power drives.
The present invention compared with prior art has the following advantages:
The present invention assembles the heat pipe heat radiation structure on the LED lighting, improved radiating efficiency effectively, has guaranteed the operating efficiency and the service life of LED lighting.By on the condensation segment of heat radiation heat pipe, connecting radiating fin, and radiating fin is fixedlyed connected with the lamp body outer shroud, further improved radiating efficiency.
In addition, heat-pipe radiating apparatus of the present invention and led module and reflection shield assemble with ingenious combination, can additionally not take the lamp body volume, and the lamp body volume of having avoided existing employing radiating fin heat radiation to be caused is big, and quality is heavy, the defective of installation inconvenience.
Moreover the present invention's power drives is set to embedding structure and whole lamp lamp body and combines closely and reduce taking of lamp body space, has further reduced the volume of LED lamp body, has created condition for the LED lamp is applied to general lighting.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is the structural representation that the present invention has the heat pipe of fin;
Fig. 5 is the structural representation of the embodiment of the invention 2;
Fig. 6 is the structural representation of the embodiment of the invention 3.
Specific embodiments
The invention will be further described below by specific embodiment:
Embodiment 1
Be depicted as the primary structure schematic diagram that can be applicable to thermotube radiating type LED lamp under the high-power condition as Fig. 1~4.A kind of thermotube radiating type LED lamp comprises lamp body, and lamp body is by lamp holder 1, LED power drives 2, and reflection shield 3, heat-pipe radiating apparatus and led module 5 are formed, and LED power drives 2 one ends are connected with the screw type lamp holder, other end connection reflection shield 3.Led module is connected with LED power drives 2 in reflection shield 3.Be provided with heat-pipe radiating apparatus around the reflection shield and be divided into evaporator section 6 and condensation segment 7, evaporator section 6 combines with led module 5, and condensation segment is positioned at around the reflection shield 3, and described condensation segment is provided with radiating fin 8.Device shown in the figure comprises that whole lamp body is a kind of PAR modulated structure, and the light that led module sends with 2 Π directions upwards projects on the reflection shield, throws away along being directed downwards of reflection ray behind reflection shield.The screw type lamp holder selects for use the E27 lamp holder to make this LED lamp can replace traditional light fixture and be applied to general lighting.LED power drives 2 is positioned at lamp body inside, has transformation efficiency efficiently, and LED power drives 2 combines closely with reflection shield, body, has saved the space.Reflection shield 3 passes through the optical design of optimizing and has highly reflective, and led module 5 is positioned at the central lower place of reflection shield 3, and particular location is through the optical analog optimal design.Led module comprises led light source and substrate two parts, and led light source is single LEDs, or the LED module of plurality of LEDs formation.The heat pipe 4 that has radiating fin is divided into evaporator section 6, condensation segment 7, and is bonding or be welded with radiating fin 8 on the condensation segment.Can improve radiating efficiency.The evaporator section 6 of heat pipe combines closely with the substrate (FR4 or metal) of led module 5, absorbs the heat that led module 5 discharges to greatest extent.The condensation segment 7 of heat pipe be positioned at reflection shield 3 around, ascendant trend distributes in the shape of a spiral.
Reflection shield week is along also being provided with lamp ring 9, radiating fin 8 is distributed on the condensation segment uniformly, in order to increase area of dissipation, better heat radiation, radiating fin and lamp ring 9 are fixed together, increased area of dissipation and made the part heat to shed, thereby made full use of the each several part structure by outer shroud 9.Radiating fin 8 planforms and size, distribution density be according to the performance number difference of led module, and different combining forms is arranged.
After E27 lamp holder 1 is connected external power, LED power drives 2 is converted into the constant current that led module 5 needs efficiently, the light that led module 5 sends with 2 Π directions after connecting upwards projects on the reflection shield 3, throws away along being directed downwards of reflection ray behind reflection shield 3.The heat that led module 5 produces is absorbed by the evaporator section 6 of heat-pipe radiating apparatus, and behind heat pipe rising arrival condensation segment 7, heat transferred radiating fin 8 and the lamp ring 9 that links to each other with fin discharge heat by the heat convection with air.As shown in Figure 4, radiating fin 8 vertical directions distribute, and so more help the Natural Heat Convection of air.
Embodiment 2
As shown in Figure 5, thermotube radiating type LED lamp shown in the figure comprises railroad 1, LED power drives 2, reflection shield 3, heat-pipe radiating apparatus and led module 5.The LED lamp of this embodiment is equipped with railroad 100, makes its occasion that can be applicable to various commercial lightings, and still is a kind of PAR modulated structure.Railroad 100 comprises slide rail stiff end 101, connecting axle 102, link 103 3 parts, and slide rail stiff end 101 is the parts of fixedlying connected with outside track of sliding track, and it has the structure that can fix coupling with the draw-in groove of track of sliding track.Connecting axle one end and slide rail stiff end articulate, and the other end is fixedlyed connected by link 103 and LED power drives 2.Connecting axle links together this LED lamp and slide rail stiff end, and makes between LED power drives and the slide rail stiff end and can relatively rotate, and link is a connecting axle 7 and the part of fixedlying connected of LED power drives 2.
LED power drives 2 combines closely with whole lamp body, has saved the space.Reflection shield 3 passes through the optical design of optimizing and has highly reflective, and led module 5 is positioned at the central lower place of reflection shield 3, and particular location is through the optical analog optimal design.Present embodiment LED lamp can be fixed on the track of sliding track by railroad 100, and connect external power by railroad, be converted to the constant current that led module 5 needs through LED power drives 2, the light that led module 5 sends with 2 Π directions upwards projects on the reflection shield 3, throws away along being directed downwards of reflection ray behind reflection shield 3.The heat that led module 5 produces is absorbed by the evaporator section 6 of heat-pipe radiating apparatus 4, and rises along heat pipe, heat is discharged by radiating fin 8 and the outer shroud that links to each other with fin 9 at condensation segment 7.
Embodiment 3:
Referring to Fig. 6, present embodiment is a thermotube radiating type LED structure of not being with the lamp ring, and the lamp of LED shown in the figure comprises E27 lamp holder 1, LED power drives 2, and reflection shield 3, heat-pipe radiating apparatus and led module 5. whole lamp bodies also are a kind of PAR modulated structure.Select for use E27 lamp holder 1 to make this LED lamp can replace traditional light fixture and be applied to general lighting.After E27 lamp holder 1 is connected external power, LED power drives 2 is converted into the constant current that led module 5 needs efficiently, the light that led module 5 sends with 2 Π directions after connecting upwards projects on the reflection shield 3, throws away along being directed downwards of reflection ray behind reflection shield 3.The heat that led module 5 produces is absorbed by the evaporator section 6 of heat-pipe radiating apparatus, and rises along heat pipe, heat is discharged by radiating fin 8 at condensation segment 7.
The present invention is intended to protect and is having the LED lamp of reflection shield; especially adopt the structure of heat pipe heat radiation on the LED lamp of PAR structure; the evaporator section of heat radiation heat pipe is connected on the led module, and condensation segment is centered around around the reflection shield, and installs radiating fin raising radiating efficiency on condensation segment additional.Above-described only is preferred implementation of the present invention.For present technique field those of ordinary skill, do not breaking away under the preceding topic of the principle of the invention, on the existing basis of the present invention, increase or change some parts, all drop within protection scope of the present invention.
Claims (7)
1. thermotube radiating type LED lamp, comprise lamp body, described lamp body includes LED power drives (2) and the reflection shield (3) that is connected with the LED power drives, the led module (5) that is connected with LED power drives (2) is installed in the reflection shield, it is characterized in that: be provided with heat-pipe radiating apparatus around the described reflection shield
2. thermotube radiating type LED lamp according to claim 1, it is characterized in that: described heat-pipe radiating apparatus is divided into evaporator section (6) and condensation segment (7), evaporator section (6) combines with led module (5), condensation segment is positioned at reflection shield (3) on every side, and described condensation segment is provided with radiating fin (8).
3. thermotube radiating type LED lamp according to claim 2, it is characterized in that: described reflection shield is a PAR reflector of lamp structure, the light that led module (5) sends with 2 ∏ directions upwards projects on the reflection shield (3), behind reflection shield (3), throw away along being directed downwards of reflection ray, reflection shield week is along also being provided with lamp ring (9), described condensation segment (7) is around reflection shield ascendant trend distribution in the shape of a spiral, radiating fin (8) is uniformly distributed on the condensation segment (7), and makes radiating fin fixedly connected with lamp ring (8).
4. thermotube radiating type LED lamp according to claim 3 is characterized in that: led module comprises led light source and substrate two parts, and led light source is single LEDs, or the LED module of plurality of LEDs formation.
5. according to each described thermotube radiating type LED lamp of claim 1~4, it is characterized in that: described lamp body also includes screw type lamp holder (1), LED power drives (2), and an end is connected with the screw type lamp holder, and the other end connects reflection shield (3).
6. thermotube radiating type LED lamp according to claim 5 is characterized in that: the screw type lamp holder adopts the E27 lamp holder.
7. according to each described thermotube radiating type LED lamp of claim 1~4, it is characterized in that: described lamp body also comprises railroad (100), railroad (100) comprises slide rail stiff end (101), connecting axle (102) and link (103), slide rail stiff end (101) is used for fixedlying connected with outside track of sliding track, connecting axle one end and slide rail stiff end articulate, and the other end is fixedlyed connected by link (103) and LED power drives (2).
Priority Applications (1)
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CN200910258396A CN101718404A (en) | 2009-12-11 | 2009-12-11 | Thermotube radiating type LED lamp |
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CN200910258396A CN101718404A (en) | 2009-12-11 | 2009-12-11 | Thermotube radiating type LED lamp |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN103032695A (en) * | 2011-09-29 | 2013-04-10 | 全亿大科技(佛山)有限公司 | Light emitting diode lamp |
CN103267267A (en) * | 2013-06-19 | 2013-08-28 | 苏州信亚科技有限公司 | High-power LED (light-emitting diode) lamp with heat pipe |
WO2014172810A1 (en) * | 2013-04-22 | 2014-10-30 | Guo Chen | High-power led lamp with heat dissipation of heat pipe |
CN104204654A (en) * | 2012-03-12 | 2014-12-10 | 冰管有限公司 | LED lighting device and vehicle headlight having same |
-
2009
- 2009-12-11 CN CN200910258396A patent/CN101718404A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN103032695A (en) * | 2011-09-29 | 2013-04-10 | 全亿大科技(佛山)有限公司 | Light emitting diode lamp |
CN104204654A (en) * | 2012-03-12 | 2014-12-10 | 冰管有限公司 | LED lighting device and vehicle headlight having same |
WO2014172810A1 (en) * | 2013-04-22 | 2014-10-30 | Guo Chen | High-power led lamp with heat dissipation of heat pipe |
CN103267267A (en) * | 2013-06-19 | 2013-08-28 | 苏州信亚科技有限公司 | High-power LED (light-emitting diode) lamp with heat pipe |
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