CN204062935U - Based on the LED radiator of hot pipe technique - Google Patents
Based on the LED radiator of hot pipe technique Download PDFInfo
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- CN204062935U CN204062935U CN201420209164.0U CN201420209164U CN204062935U CN 204062935 U CN204062935 U CN 204062935U CN 201420209164 U CN201420209164 U CN 201420209164U CN 204062935 U CN204062935 U CN 204062935U
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- siphunculus
- led
- heat pipe
- upper cover
- led radiator
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Abstract
The utility model relates to a kind of high-power LED radiator, belongs to LED field of radiating.Based on the LED radiator of hot pipe technique, it is characterized in that: the radiating fin (4) of the gravity assisted heat pipe comprising the center of being arranged on and the sun flower pattern that is arranged on gravity assisted heat pipe surrounding, described gravity assisted heat pipe comprises middle siphunculus (1) and upper cover (2) and bottom (3), the siphunculus (1) of described centre and upper cover (2) and bottom (3) integrally welded, sealing forms vacuum, centre is perfused with refrigeration filling (5), described radiating fin (4) is arranged around siphunculus (1), the part that described bottom (3) upper surface is positioned at siphunculus is provided with groove breast structure (6) of equally distributed Multipoint bulge, closed hole (7) is had in the middle of described upper cover (2), described bottom (3) below is connected with LED.The utility model adopts overall vacuum sealing and the structure around radiating fin, the heat transfer efficiency of heat pipe is improved, rapid heat dissipation, and the life-span is long.
Description
Technical field
The utility model relates to high-power LED radiator, particularly relates to a kind of LED radiator based on hot pipe technique.
Background technology
The manufacture of current great power LED is towards high-performance, integrated and miniaturization, and the power density of its chip can reach hundreds of W/cm2.The electro-optical efficiency of great power LED is about 20%, and the electric energy of about 80% is converted to heat and distributes, and therefore the heat flow density at its chip place is high.And the junction temperature rising of LED can cause luminous efficiency decline, the lost of life, luminescent spectrum to produce drift, serious also can burn chip, so heat radiation needs one of key problems-solving in high-power LED illumination.
Now commercially also there is the scheme proposing a lot of radiator, but due to the problem of radiating efficiency, substantially all bulky, and still cannot deal with problems well.Hot pipe technique is the heat transfer element that one that George Ge Luofo (George Grover) of U.S. Los Alamos (Los Alamos) National Laboratory in 1963 invents is called " heat pipe ", it takes full advantage of the Rapid Thermal hereditary property of heat-conduction principle and refrigeration filling, be delivered to rapidly outside thermal source by the heat of thermal objects through heat pipe, its capacity of heat transmission exceedes the capacity of heat transmission of any known metal.On this basis, some relevant schemes based on hot pipe technique have been had to be applied on the radiator of extensive LED, as the application for a patent for invention open " the modified gravity force heat pipe radiator for great power LED " that notification number is CN103196116A, adopt the structure that evaporator section and condensation segment are provided separately, water or alcohol is provided with as cooling medium in evaporator section, but there is cooling starts slow, middle and side has thermograde, be unfavorable for that cooling heat source is lowered the temperature, although the application for a patent for invention open " bottom a kind of gravity assisted heat pipe augmentation of heat transfer structure " that notification number is CN103453792A proposes to increase liquid collecting cup in the middle of bottom heat pipe, only just carry out from the refluxing portion medium phase transition process the problem solving thermograde, still from heat conduction itself, do not solve heat radiation now starts slow, thermograde is large, heat transfer efficiency is not high, therefore for the heat radiation of the LED of high-power LED especially more than 100-150W, there is no what good method and radiator at present.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of LED radiator based on hot pipe technique, and solve present radiator heat-dissipation and start slow, thermograde is large, the defect that heat transfer efficiency is not high.
Technical scheme
A kind of LED radiator based on hot pipe technique, it is characterized in that: the radiating fin of the gravity assisted heat pipe comprising the center of being arranged on and the sun flower pattern that is arranged on gravity assisted heat pipe surrounding, described gravity assisted heat pipe comprises middle siphunculus and upper cover and bottom, the siphunculus of described centre and upper cover and bottom integrally welded, sealing forms vacuum, centre is perfused with refrigeration filling, described radiating fin is arranged around siphunculus, the part that described bottom upper surface is positioned at siphunculus is provided with the groove breast structure of equally distributed Multipoint bulge, closed hole is had in the middle of described upper cover, be connected with LED below described bottom.
Further, described closed hole comprises the rectangular step hole section of lower reverse taper hole section and centre and upper reverse taper hole section.
Further, described bottom upper surface is coated with wire netting.
Described wire netting adopts 120 object wire nettings.
Further, described groove breast structure adopts taper breast post and interval trough to combine, and increases heat conduction and evaporating surface.
Beneficial effect
The utility model adopts overall vacuum sealing and the structure around radiating fin, the heat transfer efficiency of heat pipe is improved, rapid heat dissipation; Under adopting three-layer sealed hole to realize keeping high vacuum low voltage situations, refrigeration filling can just gasify rapidly at low temperatures, realizes heat radiation and starts fast, coordinate new refrigeration filling, greatly reduce gasification temperature, heat radiation speed, reduce thermal gradient that is middle and edge, achieve rapid heat dissipation, volume is little, and cost is low, and the life-span is long, energy Long-Time Service, suitable spread.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is base plate schematic diagram of the present utility model.
Fig. 3 is upper cover schematic diagram of the present utility model.
Wherein: 1-siphunculus, 2-upper cover, 3-bottom, 4-radiating fin, 5-refrigeration filling, 6-groove breast structure, 7-closed hole, reverse taper hole section under 71-, 72-rectangular step hole section, the upper reverse taper hole section of 73-.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth the utility model further.
A kind of LED radiator based on hot pipe technique, the radiating fin 4 of the gravity assisted heat pipe comprising the center of being arranged on and the sun flower pattern being arranged on gravity assisted heat pipe surrounding, described gravity assisted heat pipe comprises middle siphunculus 1 and upper cover 2 and bottom 3, the siphunculus 1 of described centre and upper cover 2 and bottom 3 integrally welded, sealing forms vacuum, centre is perfused with refrigeration filling 5, described radiating fin 4 is arranged around siphunculus 1, the part that described bottom 3 upper surface is positioned at siphunculus is provided with the groove breast structure 6 of equally distributed Multipoint bulge, closed hole 7 is had in the middle of described upper cover 2, be connected with LED below bottom 3.
Described closed hole 7 comprises the rectangular step hole section 72 of lower reverse taper hole section 71 and centre and upper reverse taper hole section 73.Closed hole adopts upper, middle and lower three-layer sealed, can keep high vacuum state for a long time, be beneficial to the low temperature gasification of refrigeration filling.As accompanying drawing 3 is illustrated.
Described bottom upper surface can install covering metal net additional, and wire netting adopts 120 object wire nettings, and be staggered during installation and between groove breast structure 6 certain angle, is beneficial to the recovery absorption of refrigeration filling.
Described groove breast structure 6 adopts taper breast post and interval trough to combine, and increases heat conduction and evaporating surface.As accompanying drawing 2 is illustrated.
Described bottom 3 thickness is thicker, 8-9mm, and the taper breast post height of groove breast structure is 5mm, because bottom 3 thickness increases, can directly punch, the LED lamp of the various model that is conveniently linked and packed and different assembling mode.
Adopt overall vacuum sealing and the structure around radiating fin in the utility model, the heat transfer efficiency of heat pipe is improved, rapid heat dissipation; Under adopting three-layer sealed hole to realize keeping high vacuum low voltage situations, refrigeration filling can just gasify rapidly at low temperatures, realization heat radiation starts fast, heat radiation speed, reduces thermal gradient that is middle and edge, achieve rapid heat dissipation, volume is little, and cost is low, and the life-span is long, energy Long-Time Service, suitable spread.
Claims (5)
1. the LED radiator based on hot pipe technique, it is characterized in that: the radiating fin (4) of the gravity assisted heat pipe comprising the center of being arranged on and the sun flower pattern that is arranged on gravity assisted heat pipe surrounding, described gravity assisted heat pipe comprises middle siphunculus (1) and upper cover (2) and bottom (3), the siphunculus (1) of described centre and upper cover (2) and bottom (3) integrally welded, sealing forms vacuum, centre is perfused with refrigeration filling (5), described radiating fin (4) is arranged around siphunculus (1), the part that described bottom (3) upper surface is positioned at siphunculus is provided with groove breast structure (6) of equally distributed Multipoint bulge, closed hole (7) is had in the middle of described upper cover (2), described bottom (3) below is connected with LED, described closed hole (7) comprises rectangular step hole section (72) and the upper reverse taper hole section (73) of lower reverse taper hole section (71) and centre.
2., as claimed in claim 1 based on the LED radiator of hot pipe technique, it is characterized in that: described bottom upper surface is coated with wire netting.
3., as claimed in claim 2 based on the LED radiator of hot pipe technique, it is characterized in that: described wire netting adopts 120 object wire nettings.
4. as claimed in claim 1 based on the LED radiator of hot pipe technique, it is characterized in that: described groove breast structure (6) adopts taper breast post and interval trough to combine, and increases heat conduction and evaporating surface.
5. as claimed in claim 4 based on the LED radiator of hot pipe technique, it is characterized in that: described bottom (3) thickness is 8-9mm, the taper breast post height of groove breast structure (6) is 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420209164.0U CN204062935U (en) | 2014-04-25 | 2014-04-25 | Based on the LED radiator of hot pipe technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420209164.0U CN204062935U (en) | 2014-04-25 | 2014-04-25 | Based on the LED radiator of hot pipe technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204062935U true CN204062935U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420209164.0U Expired - Fee Related CN204062935U (en) | 2014-04-25 | 2014-04-25 | Based on the LED radiator of hot pipe technique |
Country Status (1)
| Country | Link |
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| CN (1) | CN204062935U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925576A (en) * | 2014-04-25 | 2014-07-16 | 上海柏宜照明电子有限公司 | LED heat radiator based on heat pipe technology |
| CN105792607A (en) * | 2016-04-06 | 2016-07-20 | 内蒙古博特科技有限责任公司 | Three-dimensional heat superconducting radiator |
| CN107917385A (en) * | 2017-10-13 | 2018-04-17 | 四川建筑职业技术学院 | A kind of solar energy sensitive street lamp with thermosiphon cooling system |
-
2014
- 2014-04-25 CN CN201420209164.0U patent/CN204062935U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925576A (en) * | 2014-04-25 | 2014-07-16 | 上海柏宜照明电子有限公司 | LED heat radiator based on heat pipe technology |
| CN105792607A (en) * | 2016-04-06 | 2016-07-20 | 内蒙古博特科技有限责任公司 | Three-dimensional heat superconducting radiator |
| CN107917385A (en) * | 2017-10-13 | 2018-04-17 | 四川建筑职业技术学院 | A kind of solar energy sensitive street lamp with thermosiphon cooling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201712 Shanghai city Qingpu District Road No. 1188 Building 2 Jiuye Patentee after: PHASECHANGE LIGHTING TECHNOLOGY (SHANGHAI) CO.,LTD. Patentee after: BAIYI LIGHTING (SHANGHAI) HOLDINGS Ltd. Address before: 201712 Shanghai city Qingpu District Road No. 1188 Building 2 Jiuye Patentee before: PHASECHANGE LIGHTING TECHNOLOGY (SHANGHAI) CO.,LTD. Patentee before: SHANGHAI BAIYI LIGHTING ELECTRONIC Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 |