CN1605795A - Lighting device with high heat radiation efficiency - Google Patents
Lighting device with high heat radiation efficiency Download PDFInfo
- Publication number
- CN1605795A CN1605795A CNA2004100862090A CN200410086209A CN1605795A CN 1605795 A CN1605795 A CN 1605795A CN A2004100862090 A CNA2004100862090 A CN A2004100862090A CN 200410086209 A CN200410086209 A CN 200410086209A CN 1605795 A CN1605795 A CN 1605795A
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- CN
- China
- Prior art keywords
- light
- lighting device
- cooling efficiency
- high cooling
- tool high
- 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.)
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- 230000005855 radiation Effects 0.000 title claims description 7
- 239000004020 conductor Substances 0.000 claims abstract description 30
- 238000001816 cooling Methods 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 9
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- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 2
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
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- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
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- 238000009423 ventilation Methods 0.000 description 1
Images
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The lighting device with high heat dissipating efficiency includes one casing, one heat conductor set inside the casing and with one flat part and several heat dissipating fins in the periphery, one light emitter set on the flat part of the heat conductor, and one power supply. The present invention aims at raising the heat dissipating efficiency of light device to raise its light emitting efficiency and prolong its life.
Description
Technical field
The present invention is relevant a kind of lighting device, and particularly about a kind of module of tool high cooling efficiency high-power light source of arranging in pairs or groups, this radiating module particularly is applied in the high power illumination device, emphasizes to avoid the temperature of light source position too high.
Background technology
Since from Edison electric light taking place, lighting device just occupies an important status in people's life, humanly relies on lighting device at night and is engaged in activity, and is little of flashlight, electric light, or vehicle light illumination, all closely bound up with the mankind's life.
Figure 1 shows that the finished product schematic diagram that present High Power LED is applied to throw light on, at a solid metal heat-conducting plate 10, be provided with one or several light emitting diodes (LightEmitting Diode) assembly 12 as aluminium sheet, and make circuit 14 around on metal heat-conducting plate 10, being positioned at light-emitting diode component 12, but when light-emitting diode component 12 is high power, the heat conduction that only utilizes metal heat-conducting plate 10 is as the heat radiation approach, its heat-sinking capability is limited, make luminescence component inside diode chip for backlight unit Yin Gaowen and reduce its luminous efficiency, and then making the brightness of light source be not so good as expection, the life-span of LED also is affected simultaneously.
The circulating heat conductor of steam is one of heat-transferring assembly of widely using of electronic product radiating module, as shown in Figure 2, heat conductor 2 includes cavity 20, capillary structure 22 and the working fluid of hollow and sealing, heat conductor inside is in vacuum state, the start principle is when thermal source 26, as chip, CPU or LCD (the Liquid Cyrstal Display of consumed power; LCD) end of contact conductane body 2, make working fluid flash to gaseous state, fluid after the vaporization can reach heat the other end of cavity 2 rapidly, make fluid become liquid phase via Cooling Design again by vapor condensation, by liquid working fluid being sucked back an end that is heated, finish heat radiation or equal thermal effect again to utilize the liquid-gas phase transition principle by capillary structure 22.
In view of this, The present invention be directed to above-mentioned puzzlement, propose a kind of module of tool high cooling efficiency, and this notion is applied on the high power illumination device, to improve above-mentioned disappearance.
Summary of the invention
Main purpose of the present invention, be at the lighting device that a kind of tool high cooling efficiency is provided, in the high power illumination device, be provided with heat conductor and radiating fin, to be used for dispersing the high heat energy that the high power illumination device is produced, so that radiating efficiency improves, and then promote brightness.
Another object of the present invention is at the lighting device that a kind of tool high cooling efficiency is provided, and offers hole or fan is set on the housing of high power illumination device, to improve radiating efficiency, makes the luminous efficiency of lighting device and height can perform to maximum.
For reaching above-mentioned purpose, the present invention is the lighting device that proposes a kind of tool high cooling efficiency, comprises a housing, is provided with a heat conductor in housing, the one end has a par, and have several radiating fins to be arranged on around the heat conductor, to improve radiating efficiency, light-emitting device is built in the par of heat conductor, utilize heat conductor that heat is disseminated out rapidly, see through radiating fin again and disengage heat energy, the electric device of need arranging in pairs or groups in addition provides electric power to light-emitting device, and makes light-emitting device luminous.
Below by cooperate appended graphic explanation in detail by specific embodiment, when the effect that is easier to understand purpose of the present invention, technology contents, characteristics and is reached.
Description of drawings
Fig. 1 is existing High Power LED encapsulation combination schematic diagram;
Fig. 2 is the operation principle cutaway view of existing heat conductor;
Fig. 3 is the structure cutaway view of the lighting device of tool high cooling efficiency of the present invention;
Fig. 4 is the stereogram of light-emitting device of the present invention, heat conductor and radiating fin;
Fig. 5 is the side view of heat conductor of the present invention and radiating fin;
Fig. 6 is the vertical view of light-emitting device of the present invention;
Figure 7 shows that light emitting source directly is arranged at heat conductor par schematic diagram;
Fig. 8 is the vertical view of the lighting device of tool high cooling efficiency of the present invention;
Fig. 9 is the schematic diagram of radiating fin of the present invention;
Figure 10 is another embodiment of radiating fin of the present invention;
Figure 11 is an embodiment again of radiating fin of the present invention;
Figure 12 is another embodiment of the lighting device of tool high cooling efficiency of the present invention;
Figure 13 is an embodiment again of the lighting device of tool high cooling efficiency of the present invention.
The specific embodiment
Be applied to face in the illumination heat dissipation problem in order to solve present power light source, therefore the present invention proposes a kind of high power illumination device of tool high cooling efficiency, can be applicable to any lighting device, for example flashlight, automobile lamp, head lamp etc. are by by the life-span of high cooling efficiency to obtain better luminous efficiency and to improve light source.
Figure 3 shows that the structure cutaway view of the lighting device of tool high cooling efficiency of the present invention, the lighting device 3 of tool high cooling efficiency comprises a housing 30, in housing 30, be provided with a heat conductor 32, as heat pipe (heat pipe) or thermal conductance post (heat column), heat conductor 32 1 ends have a par, this par must additionally be processed processing in traditional hot conductor manufacturing process, several radiating fins 324 need be set around the heat conductor 32 do thermal convection current to get rid of heat with the external world, and have a light-emitting device 34 send light source to appear housing 30 in order to the illumination, light-emitting device 34 is arranged on the par of heat conductor 32, this light-emitting device 34 is provided with two electrodes, the other end at radiator is provided with a circuit board 36, as printed circuit board (PCB), with electric device 37, power supply unit as battery or interchange conversion direct current utilizes one to be wired to circuit board 36 to form electrical connection, electric device 37 can see through circuit board 36 and make power management, again electric power is delivered to light-emitting device 34, and provide electrical power to light-emitting device 34 and start light-emitting device 34 transmitting illuminants, and then reach the illumination purpose.
Fig. 4 and Fig. 5 are the stereogram and the side view of heat conductor and radiating fin, heat conductor 32 includes a hollow cavity 320, its material is a copper, a ccontaining working fluid in hollow cavity 320, and be vacuum state in the hollow cavity 320, and in hollow cavity 320, be provided with the capillary structure (not shown), when working fluid is heated, just can be evaporated to gaseous state, by gaseous fluid being condensed into liquid state by a condensation end that joins with radiating fin 324, by capillary structure working fluid is sucked back heating end again, by by the hollow cavity structure, can be with hot bamboo telegraph to radiating fin 324.
And please consult Fig. 6 simultaneously, Figure 6 shows that the vertical view of light-emitting device, light-emitting device 34 can see through a base material 340 with light emitting source 342, as light emitting diode disposed thereon after, be placed on the par again, electrode 344,346 are arranged on the base material 340, and be connected to each light emitting source 342 respectively, the material of this substrate 340 can be silicon, perhaps as shown in Figure 7, can be placed in as light emitting diode on the par of hollow cavity 320 directly with light emitting source 342, the light emitting source 342 of said two devices can be to utilize routing (wire bonding) or cover crystalline substance (flip chip) chip.
And, radiating fin 324 has multiple enforcement aspect, the vertical view of the lighting device of tool high cooling efficiency as shown in Figure 8, by among the figure as can be known, each radiating fin 324 is that ring is located at around the hollow cavity, and radiating fin except be discoid, more can be as shown in Figure 9 irregular, this irregular zigzag that can be, petal-shaped or in fin, make air-flow via etc., its material can be that copper or aluminium are that ground is made, and can receive in shapes in the housing 30 all are included in, perhaps as shown in figure 10, radiating fin 324 is that to be that the center forms radial with the hollow cavity, is vertically to extend from inside to outside from hollow cavity for slices; And as shown in figure 11, can respectively offer two holes 326 on the radiating fin 324 around each ring is located at hollow cavity 320, so that two electrodes utilize an electric wire to pass hole 326 to form path with circuit board 36 respectively, utilize circuit board 36 with electric device 37 again, after the power supply that provides gives the distribution of body reason, be delivered to light-emitting device 34, and making light-emitting device produce action.
And in order to make this lighting device 3 have good heat radiation approach, therefore, can on housing 30, be positioned at radiating fin 324 to offer at least one hole 302 on every side as shown in figure 12, with increase cross-ventilation effect, and then more increase radiating efficiency; Perhaps as shown in figure 13, in housing 30, be positioned at circuit board 36 belows one fan 38 is set, this fan 38 can see through a control circuit and detect light emitting source temperature on every side, when temperature surpasses setting value, to make fan 38 starts by control circuit, more to promote radiating efficiency by this, fan 38 required electric power are also provided by electric device 37; This two method more can be used with heat conductor 32 and radiating fin 324 collocation, to utilize heat conductor 32, radiating fin 324, hole 302 and fan 38 heat radiations simultaneously, reaches best heat radiation combination.
The present invention proposes a kind of lighting device of tool high cooling efficiency, one heat conductor and several radiating fins are set in lighting device, even and can simultaneously in housing, offer hole fan is set, to promote radiating effect, make the luminous efficiency of lighting device improve and increase the life-span, particularly be applied in the LED illumination, can make its luminosity performance ultimate attainment because of the improvement of radiating effect.
The above is by characteristics of the present invention are described by embodiment, its purpose is had the knack of this operator and can be understood content of the present invention and implement according to this making, and non-limiting claim of the present invention, the equivalence finished is modified so all other do not break away from disclosed spirit or revise, and must be included in the described claim.
Claims (13)
1. the lighting device of a tool high cooling efficiency is characterized in that, comprising:
One housing;
One heat conductor, it is to be arranged in this housing, this heat conductor one end is to have a par;
At least one radiating fin, it is to be arranged in this housing and to be positioned at around this heat conductor, in order to heat radiation;
One light-emitting device, it is the par that is arranged at this heat conductor, and sends light source to throw light on via housing; And
One electric device is to form with this light-emitting device to be electrically connected, to provide this light-emitting device required electric power.
2. the lighting device of tool high cooling efficiency as claimed in claim 1 is characterized in that, is to offer at least one hole on described this housing, with the increase convection current, and then increases radiating efficiency.
3. the lighting device of tool high cooling efficiency as claimed in claim 1 is characterized in that, each this radiating fin is for discoid or irregular.
4. the high efficiency lighting device of tool as claimed in claim 1, it is characterized in that, more comprise a circuit board, it is to be arranged in this housing and to be positioned at this heat conductor other end, and be connected to this electric device, so that utilizing this circuit board to form with this electric device, this light-emitting device is electrically connected.
5. the lighting device of tool high cooling efficiency as claimed in claim 1, it is characterized in that, described this light-emitting device comprises a base material, and at least one light emitting source is set on this base material, and there are two electrodes to be arranged on this base material, this light emitting source emits beam appearing this housing, and this two electrode connects this light emitting source respectively.
6. the lighting device of tool high cooling efficiency as claimed in claim 5 is characterized in that, described this base material is made of the silicon material.
7. the lighting device of tool high cooling efficiency as claimed in claim 5 is characterized in that, described this light emitting source is to be light emitting diode.
8. the lighting device of tool high cooling efficiency as claimed in claim 1 is characterized in that, described this light-emitting device is to comprise at least one light emitting diode.
9. the lighting device of tool high cooling efficiency as claimed in claim 4, it is characterized in that, be to offer at least one hole on each this radiating fin, be electrically connected to form, by so that this electric device provides electrical power to this light-emitting device with this circuit board so that each this electric wire passes these holes.
10. the lighting device of tool high cooling efficiency as claimed in claim 4 is characterized in that, more comprises a fan, and it is to be arranged in this housing and to be positioned at this circuit board below, to increase radiating efficiency.
11. the lighting device of tool high cooling efficiency as claimed in claim 10 is characterized in that, described this fan is to be connected with this circuit board, so that this circuit board utilizes a control circuit to detect this light-emitting device temperature on every side, to control the switch start of this fan.
12. the lighting device of tool high cooling efficiency as claimed in claim 1 is characterized in that, described this electric device is for battery or exchanges the power supply unit of changing direct current.
13. the lighting device of tool high cooling efficiency as claimed in claim 1 is characterized in that, described this heat conductor is to be selected from thermal conductance post or heat pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100862090A CN1605795A (en) | 2004-10-19 | 2004-10-19 | Lighting device with high heat radiation efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100862090A CN1605795A (en) | 2004-10-19 | 2004-10-19 | Lighting device with high heat radiation efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1605795A true CN1605795A (en) | 2005-04-13 |
Family
ID=34766022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004100862090A Pending CN1605795A (en) | 2004-10-19 | 2004-10-19 | Lighting device with high heat radiation efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1605795A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006125375A1 (en) * | 2005-05-25 | 2006-11-30 | Jen-Shyan Chen | Light-emitting diode cluster lamp |
| WO2006128327A1 (en) * | 2005-06-03 | 2006-12-07 | Neobulb Technologies, Inc. | A semiconductor light-emitting apparatus provided with a heat conducting/dissipating module |
| WO2007019734A1 (en) * | 2005-08-19 | 2007-02-22 | Neobulb Technologies, Inc. | An efficient high-power system-in-package led lamp |
| EP1916648A1 (en) * | 2005-07-21 | 2008-04-30 | NeoBulb Technologies, Inc. | Luminous display panel |
| WO2008131584A1 (en) * | 2007-04-27 | 2008-11-06 | Jenshyan Chen | Light emitting diode lighting device |
| CN100447480C (en) * | 2005-08-19 | 2008-12-31 | 新灯源科技有限公司 | LED illuminator having high power and high radiation efficiency |
| WO2009111940A1 (en) * | 2008-03-10 | 2009-09-17 | Long Guoqing | Led lamp radiator and led lamp with the radiator |
| US7905644B2 (en) | 2005-08-19 | 2011-03-15 | Neobulb Technologies, Inc. | System in package high power high efficiency light-emitting diode lamp |
| CN102588781A (en) * | 2012-01-20 | 2012-07-18 | 深圳市奥马斯光电照明有限公司 | LED plant growth down lamp |
| US8226272B2 (en) | 2005-03-31 | 2012-07-24 | Neobulb Technologies, Inc. | Illuminating equipment using high power LED with high efficiency of heat dissipation |
| CN104006364A (en) * | 2013-02-27 | 2014-08-27 | 广东金莱特电器股份有限公司 | Heat dissipating structure of portable LED (light emitting diode) lamp |
-
2004
- 2004-10-19 CN CNA2004100862090A patent/CN1605795A/en active Pending
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8267545B2 (en) | 2005-03-06 | 2012-09-18 | Neobulb Technologies, Inc. | Semiconductor light-emitting apparatus integrated with heat-conducting/dissipating module |
| US8226272B2 (en) | 2005-03-31 | 2012-07-24 | Neobulb Technologies, Inc. | Illuminating equipment using high power LED with high efficiency of heat dissipation |
| WO2006125375A1 (en) * | 2005-05-25 | 2006-11-30 | Jen-Shyan Chen | Light-emitting diode cluster lamp |
| US7963678B2 (en) | 2005-06-03 | 2011-06-21 | Neobulb Technologies, Inc. | Semiconductor light-emitting apparatus integrated with heat-conducting/dissipating module |
| WO2006128327A1 (en) * | 2005-06-03 | 2006-12-07 | Neobulb Technologies, Inc. | A semiconductor light-emitting apparatus provided with a heat conducting/dissipating module |
| AU2005332535B2 (en) * | 2005-06-03 | 2011-09-15 | Neobulb Technologies, Inc. | A semiconductor light-emitting apparatus provided with a heat conducting/dissipating module |
| JP2008543063A (en) * | 2005-06-03 | 2008-11-27 | 新灯源科技有限公司 | Thermal conduction / dissipation unit integrated semiconductor light emitting device |
| KR100998480B1 (en) | 2005-06-03 | 2010-12-07 | 네오벌브 테크놀러지스 인크 | A semiconductor light-emitting apparatus provided with a heat conducting/dissipating module |
| EP1916648A1 (en) * | 2005-07-21 | 2008-04-30 | NeoBulb Technologies, Inc. | Luminous display panel |
| JP2008233924A (en) * | 2005-07-21 | 2008-10-02 | Neobulb Technologies Inc | Luminous display panel |
| US7997766B2 (en) | 2005-07-21 | 2011-08-16 | Neobulb Technologies, Inc. | Light-emitting display panel |
| EP1916648A4 (en) * | 2005-07-21 | 2009-05-27 | Neobulb Technologies Inc | Luminous display panel |
| JP2009505407A (en) * | 2005-08-19 | 2009-02-05 | ネオバルブ テクノロジーズ，インコーポレイテッド | Package type high power high efficiency LED lamp |
| US7905644B2 (en) | 2005-08-19 | 2011-03-15 | Neobulb Technologies, Inc. | System in package high power high efficiency light-emitting diode lamp |
| CN100447480C (en) * | 2005-08-19 | 2008-12-31 | 新灯源科技有限公司 | LED illuminator having high power and high radiation efficiency |
| WO2007019734A1 (en) * | 2005-08-19 | 2007-02-22 | Neobulb Technologies, Inc. | An efficient high-power system-in-package led lamp |
| WO2008131584A1 (en) * | 2007-04-27 | 2008-11-06 | Jenshyan Chen | Light emitting diode lighting device |
| WO2009111940A1 (en) * | 2008-03-10 | 2009-09-17 | Long Guoqing | Led lamp radiator and led lamp with the radiator |
| CN102588781A (en) * | 2012-01-20 | 2012-07-18 | 深圳市奥马斯光电照明有限公司 | LED plant growth down lamp |
| CN102588781B (en) * | 2012-01-20 | 2015-05-13 | 深圳市奥马斯光电照明有限公司 | LED plant growth down lamp |
| CN104006364A (en) * | 2013-02-27 | 2014-08-27 | 广东金莱特电器股份有限公司 | Heat dissipating structure of portable LED (light emitting diode) lamp |
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Owner name: NEW LIGHT SOURCE TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHEN ZHENXIAN Effective date: 20050826 |
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Effective date of registration: 20050826 Address after: Brunei Darussalam Bandar Seri Begawan Applicant after: New Light Source Technology Co., Ltd. Address before: Hsinchu city of Taiwan Province Applicant before: Chen Zhenxian |
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Open date: 20050413 |