CN201462500U - Heat pipe-type LED lamp - Google Patents
Heat pipe-type LED lamp Download PDFInfo
- Publication number
- CN201462500U CN201462500U CN2009201198298U CN200920119829U CN201462500U CN 201462500 U CN201462500 U CN 201462500U CN 2009201198298 U CN2009201198298 U CN 2009201198298U CN 200920119829 U CN200920119829 U CN 200920119829U CN 201462500 U CN201462500 U CN 201462500U
- Authority
- CN
- China
- Prior art keywords
- led lamp
- heat
- heat pipe
- pipe
- light fixture
- 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
Links
Images
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model relates to an LED lamp, particularly to a heat pipe-type LED lamp capable of radiating heat with high efficiency. The LED lamp comprises an LED lamp, a circuit board and an external radiator, and is characterized in that the LED lamp is welded with the circuit board; and a heat pipe device is fixedly arranged between the circuit board and the external radiator. In the heat pipe-type LED lamp, the heat pipe device is fixedly arranged between the LED lamp or the circuit board and the external radiator, by utilizing heat pipe technology, the heat generated in the operation of the LED lamp is transferred to the external radiator through the heat pipe device, therefore, the heat generated by the LED lamp can give out effectively. The utility model can effectively prevent greenhouse effect from generating in the LED lamp under blazing sunshine in summer, enables the LED lamp to have high-efficiency and reliable heat radiation, enables the operating temperature of the wafer in the LED lamp or the storage temperature when the wafer is not in operation to be lower than 55 DEG C, thereby effectively overcoming the problem of over speeding of brightness declination, and enabling LED lamp with greater power to be manufactured with low cost and be suitable for more severe temperature environment.
Description
Technical field
The utility model relates to a kind of LED light fixture, is specifically related to a kind of heat pipe-type LED light fixture that can high efficiency and heat radiation.
Background technology
High-power LED lighting fixture ubiquity in the market the light decay problem of overrunning, and indicates with the LED long-life of single tube experimental data inference not to be inconsistent.
Make the source from the LED components and parts, we have been fully recognized that the importance of selecting encapsulating material heat resistance prescription, and are simultaneously relevant with the device conductive structure.In many device set application facet, the most important thing is heat radiation, technology is used and is laid particular stress on heat sink material at present, for example adopts 6063 grade aluminium alloys, TSD boron nitride ceramics heat radiation coating, hedgehog type radiating fin design, soft silica gel heat-conducting glue etc.Except that using alloy heat loss through conduction principle, many products have also designed the thermal convection current passage in the housing of external radiator, yet light decay is overrun and effectively do not solved.
Very easy proof in single LEDs experiment, as long as external radiator to conducting strip coupling certain mass and surface area, work will be very stable, light decay speed is very little, but in the sealed high-power LED lamp that plurality of LEDs assembles, light decay speed often promotes several times even tens of times, clearly the light decay main cause of generally overrunning, be not itself to cause, but plurality of LEDs assemble the problem that sealed fitting structure causes by the LED device quality.
Facts have proved, solve light decay the overrun problem of LED components and parts, must improve the system architecture of LED light fixture, ensure the operating temperature of LED internal wafer or when not working storage temperature＜55-65 ℃ in the illumination application.The surface temperature that light fixture manufacturer gives tacit consent to external connection radiating device usually is the LED operating ambient temperature, the temperature that internal wafer gives out when ignoring LED work easily, the fact just imports external radiator by multiple material interface switching, and the temperature reality of external radiator reflection is higher than the temperature of LED internal wafer far away.
The conventional scheme of large-power LED combined lamp design at present is: adopt the LED device to make up on aluminium base, aluminium base contacts with external radiator machinery and is connected, the LED work calories conducts to external radiator through aluminium base and distributes, but this structure can not effectively solve the heat dissipation problem of LED.
The utility model content
At problems of the prior art, the purpose of this utility model is to provide a kind of technical scheme of heat pipe-type LED light fixture, can effectively solve the heat radiation of LED lamp.
Described a kind of heat pipe-type LED light fixture comprises LED lamp, wiring board and external radiator, it is characterized in that the welding of described LED lamp and wiring board is provided with, and fixedly installs heat-pipe apparatus between wiring board and the external radiator.
Described a kind of heat pipe-type LED light fixture is characterized in that described LED lamp is more than one or one.
Described a kind of heat pipe-type LED light fixture is characterized in that described wiring board is that PCB surface is provided with reflective optical system more than one or one, and reflective optical system and LED lamp axle are 10-70 degree angle.
Described a kind of heat pipe-type LED light fixture is characterized in that described heat-pipe apparatus is made up of two parts up and down, and adiabatic the circle is set between two parts up and down.
Described a kind of heat pipe-type LED light fixture is characterized in that described heat-pipe apparatus is box cavity structure, single tube or multitube structure, and its inside is 10
-1～10
-4The vacuum of Pa.
Described a kind of heat pipe-type LED light fixture is characterized in that described heat-pipe apparatus adopts copper, steel or aluminium.
Described a kind of heat pipe-type LED light fixture is characterized in that the working media in the described heat-pipe apparatus is a water.
Described a kind of heat pipe-type LED light fixture is characterized in that the working media in the described heat-pipe apparatus is liquid metal sodium or liquid metal potassium.
Described a kind of heat pipe-type LED light fixture is characterized in that described external radiator is one or divides body structure.
Above-mentioned a kind of heat pipe-type LED light fixture, fixedly install heat-pipe apparatus between LED lamp or wiring board and the external radiator, utilize hot pipe technique, the heat that produces when making the work of LED lamp conducts to external radiator by heat-pipe apparatus, thereby the heat that the LED lamp is produced effectively distributes; Can prevent effectively that under the state that summer, the sun was exposed to the sun the LED lamp interior from producing greenhouse effects, the heat radiation high efficient and reliable, ensured the operating temperature of LED lamp internal wafer or storage temperature＜55 when not working ℃, effectively overcome the common light decay problem of overrunning, it is more high-power that the LED lamp can cheaply be made, and adapts to worse temperature environment.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2-5 is the structural representation of the utility model various embodiments.
Among the figure: 1-external radiator, the adiabatic circle of 2-, 3-heat-pipe apparatus, 4-LED lamp, 5-wiring board.
The specific embodiment
Now the utility model is described in detail in conjunction with Figure of description.
Embodiment one
As shown in Figure 1, a kind of heat pipe-type LED light fixture, comprise LED lamp 4, wiring board 5 and external radiator 1, LED lamp 4 is provided with wiring board 5 welding, perhaps on the wiring board 5 through hole is set, the through hole that LED lamp 4 directly passes wiring board 5 is fixedlyed connected with heat-pipe apparatus 3, fixedly install heat-pipe apparatus 3 between wiring board 5 and the external radiator 1, LED lamp 4 can be set to one or more than one combination, wiring board 5 also can be the combination more than one or, and heat-pipe apparatus 3 is made up of two parts up and down, is provided with between two parts up and down adiabaticly to enclose 2, prevent that heat from passing through heat pipe conduction itself, wiring board 5 surfaces are provided with reflective optical system, and 4 on reflective optical system and LED lamp are 10-70 degree angle, and heat-pipe apparatus 3 can be the box type of arbitrary section shape, the single tube of arbitrary section or multitube combining structure, the inside of heat-pipe apparatus 3 is pumped into 10
-1～10
-4The negative pressure of Pa order of magnitude scope, end cap is sealed, heat-pipe apparatus 3 base materials comprise copper, steel, aluminium or other alloys but are not limited to alloy, it can be other hot good conductor, or hot good conductor and non-conductor carry out textural association, the internal work medium of heat-pipe apparatus 3, can be water or other organic or inorganic solvents but be not limited to liquid medium, it also can be any solid-state or colloidal materials that is subject to heat sublimation, can also be liquid metals such as sodium, potassium, external radiator 1 is one or divides body structure, the convenient installation.
Above-mentioned heat-pipe apparatus 3 is to adopt hot pipe technique, hot pipe technique is meant the Rapid Thermal transmission characteristic of having utilized heat-conduction principle and refrigeration filling, be delivered to rapidly outside the thermal source through the heat of heat pipe with thermal objects, its capacity of heat transmission surpasses the capacity of heat transmission of any known metal.
Typical heat pipe is made up of shell, imbibition core and end cap, shell is conventional to be made of copper, steel, aluminium or other hot good conductor, and an end of heat pipe is an evaporation ends, and the other end is a condensation end, generally add heat-insulating material between two end interfaces, heat pipe inwall operated by rotary motion has core capillary porous imbibition material.Inside heat pipe need be filled an amount of working media, working media commonly used has distilled water, formaldehyde, ammonia or other organic or inorganic solvent, or the solid matter or the colloid of some tools distillation characteristic, as camphor ball etc., liquid metals such as the also use sodium that high temperature is used, potassium.During use inside heat pipe is pumped into 10
-1～10
-4Negative pressure in the Pa order of magnitude scope, end cap is sealed. as long as have the temperature difference between the evaporation ends of heat pipe and the condensation end, liquid among the Mao Renxin of infiltration inside heat pipe is very easy evaporation gasification under negative pressure, under the effect of air pressure inside difference with temperature difference heat from the evaporation ends condensation end that leads, steam condenses into liquid again after condensation end discharges heat, liquid flows back to evaporation ends along porous material by the effect of capillary force again. so moves in circles, heat is conducted to condensation end by the evaporation ends of heat pipe, thereby reach the purpose of high efficiency and heat radiation, above-mentioned evaporation ends is and wiring board 5 contact jaws that condensation end is and the radiator contact jaw.
Embodiment two
Shown in Figure 2, make the structure of square tube type for heat-pipe apparatus 3, other is with embodiment one.
Embodiment three
Shown in Figure 3, make annular tube shaped structure for heat-pipe apparatus 3, other is with embodiment one.
Embodiment four
Shown in Figure 4, make the structure of vertical multitube shape for heat-pipe apparatus 3, adiabatic circle 2 is set respectively between pipe two ends and wiring board 5 and the external radiator 1, other is with embodiment one.
Embodiment five
Shown in Figure 5, for LED lamp 4 without wiring board 5 directly and heat-pipe apparatus 3 contacting structure, other is with embodiment one.
When the utility model can effectively prevent 4 work of the LED lamp that seals or the sun form greenhouse effects in inside when being exposed to the sun, the problem that LED lamp 4 light decays are overrun also is resolved.
The utility model is not limited to above-mentioned explanation, does various distortion or applies mechanically all within this technical scheme protection domain according to above-mentioned explanation.
Claims (9)
1. heat pipe-type LED light fixture, comprise LED lamp (4), wiring board (5) and external radiator (1), it is characterized in that described LED lamp (4) and wiring board (5) welding are provided with, and fixedly install heat-pipe apparatus (3) between wiring board (5) and the external radiator (1).
2. a kind of heat pipe-type LED light fixture according to claim 1 is characterized in that described LED lamp (4) is more than one or one.
3. a kind of heat pipe-type LED light fixture according to claim 1 is characterized in that described wiring board (5) is more than one or one, and wiring board (5) surface is provided with reflective optical system, and reflective optical system and LED lamp (4) axle are 10-70 degree angle.
4. a kind of heat pipe-type LED light fixture according to claim 1 is characterized in that described heat-pipe apparatus (3) is made up of two parts up and down, and adiabatic enclose (2) are set between two parts up and down.
5. a kind of heat pipe-type LED light fixture according to claim 1 is characterized in that described heat-pipe apparatus (3) is box cavity structure, single tube or multitube structure, and its inside is the vacuum of 10-1～10-4Pa.
6. a kind of heat pipe-type LED light fixture according to claim 1 is characterized in that described heat-pipe apparatus (3) adopts copper, steel or aluminium.
7. a kind of heat pipe-type LED light fixture according to claim 1 is characterized in that the working media in the described heat-pipe apparatus (3) is a water.
8. a kind of heat pipe-type LED light fixture according to claim 1 is characterized in that the working media in the described heat-pipe apparatus (3) is liquid metal sodium or liquid metal potassium.
9. a kind of heat pipe-type LED light fixture according to claim 1 is characterized in that described external radiator (1) is one or branch body structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201198298U CN201462500U (en) | 2009-05-14 | 2009-05-14 | Heat pipe-type LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201198298U CN201462500U (en) | 2009-05-14 | 2009-05-14 | Heat pipe-type LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201462500U true CN201462500U (en) | 2010-05-12 |
Family
ID=42389853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201198298U Expired - Fee Related CN201462500U (en) | 2009-05-14 | 2009-05-14 | Heat pipe-type LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201462500U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128371A (en) * | 2011-01-16 | 2011-07-20 | 叶伟 | Super-high lighting efficiency LED illumination lamp and manufacturing process thereof |
| CN103133887A (en) * | 2011-11-23 | 2013-06-05 | 海洋王照明科技股份有限公司 | Light-emitting diode (LED) lamp |
| CN105101741A (en) * | 2014-05-21 | 2015-11-25 | 中国科学院理化技术研究所 | Method for implementing heat dissipation by utilizing chimney effect |
-
2009
- 2009-05-14 CN CN2009201198298U patent/CN201462500U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128371A (en) * | 2011-01-16 | 2011-07-20 | 叶伟 | Super-high lighting efficiency LED illumination lamp and manufacturing process thereof |
| CN103133887A (en) * | 2011-11-23 | 2013-06-05 | 海洋王照明科技股份有限公司 | Light-emitting diode (LED) lamp |
| CN103133887B (en) * | 2011-11-23 | 2015-04-01 | 海洋王照明科技股份有限公司 | Light-emitting diode (LED) lamp |
| CN105101741A (en) * | 2014-05-21 | 2015-11-25 | 中国科学院理化技术研究所 | Method for implementing heat dissipation by utilizing chimney effect |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101408299B (en) | LED light fitting with heat radiating device | |
| CN201522221U (en) | Loop heat pipe heat abstractor of high heat conduction temperature equalization box | |
| CN201462500U (en) | Heat pipe-type LED lamp | |
| CN101315175A (en) | High power semiconductor lighting lamp | |
| CN102278726A (en) | LED lamp heat-radiating device | |
| CN101636069A (en) | Heat pipe radiating device of high heat-conduction even temperature box | |
| CN201521927U (en) | Loop heat pipe radiating device adopting enhanced evaporation section in LED lamp | |
| CN201502994U (en) | Heat radiation device of high-power LED lamp | |
| CN201555083U (en) | Multi-chip high-power LED lamp and a radiator structure | |
| CN201539837U (en) | Radiating device of light emitting diode lamp | |
| CN203431801U (en) | Aluminum tube finned heat pipe LED (light-emitting diode) mining lamp radiator | |
| CN202747157U (en) | LED (light emitting diode) street lamp with super-heat-conducting optical engine | |
| CN201706453U (en) | Heat sink for LED lamp | |
| CN201476650U (en) | Heat pipe radiating device for high thermal conductivity temperature equalizing tank | |
| CN101872826A (en) | Liquid metal heat radiation based high-power LED light source of threaded connection structure | |
| CN201121865Y (en) | LED lamp capable of fast cooling | |
| CN203757670U (en) | All-aluminum-fin tubular heat pipe radiator for large-power LED (Light Emitting Diode) lamp | |
| CN204853237U (en) | High -power LED car light heat abstractor | |
| CN101363601A (en) | Illuminating apparatus with heat radiation protection loop | |
| CN202598449U (en) | A phase-change sunflower-shaped radiator for heat dissipation of a large-power LED | |
| CN206831201U (en) | A kind of LED of energy quick heat radiating | |
| CN203298264U (en) | Needle column type LED (light-emitting diode) lamp tube heat dissipation device | |
| CN201043737Y (en) | High power semiconductor lighting lamp | |
| CN204554424U (en) | A kind of bulb with single-ended four sides substrate LED luminescence unit | |
| CN212377918U (en) | Quick heat dissipation type heat pipe heat dissipation type LED automobile lamp |
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: 20100512 Termination date: 20120514 |