CN101561129B - LED lamp provided with phase change radiator structure - Google Patents
LED lamp provided with phase change radiator structure Download PDFInfo
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- CN101561129B CN101561129B CN2009100845257A CN200910084525A CN101561129B CN 101561129 B CN101561129 B CN 101561129B CN 2009100845257 A CN2009100845257 A CN 2009100845257A CN 200910084525 A CN200910084525 A CN 200910084525A CN 101561129 B CN101561129 B CN 101561129B
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- radiator
- led
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- lamp
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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Abstract
The invention relates to a lamp provided with a phase change radiator structure and an LED, which comprises a radiator (1), an inner cavity (1-3) of the radiator (1), an LED lamp bulb (2), a copper substrate (3), a phase change radiating liquid (8), a cover (9) for sealing the phase change radiating liquid, a vacuumizing valve nozzle (10), a power supply aluminum plate (11), and an LED driving power supply (12), wherein the inner cavity (1-3) of the radiator (1) consists of a radiator outer wall (1-1), a radiator inner wall (1-2) and the cover (9) for sealing the phase change radiating liquid.The copper substrate of an LED light source is tightly connected with the radiator directly to obtain a shortest heat conducting path; when the radiator generates heat to certain degree, the phase ch ange liquid in the cavity is vaporized and carries away hat to the lateral surface and the top of the radiator; and when meeting the lateral surface and the top with low temperature, the vapor is coagulated into liquid flowing back to the cavity, and the processes are repeated. The lateral surface and the top of the radiator are provided with fins for increasing the radiating convection area; and the bottom of the radiator is provided with a plurality of concave surfaces, and the LED lamp bulb is provided with a secondary light distribution lens to reduce the glare on the road surface caused by the LED lamp bulb.
Description
Technical field
The present invention relates to a kind of semiconductor lamp.
Background technology
Along with the exhaustion day by day of world energy sources and the continuous deterioration of earth environment, energy-conserving and environment-protective have been global topics in recent years.LED as the 4th generation new light sources, aspect energy-saving and environmental protection, demonstrated the incomparable characteristic of conventional light source.Fast development along with the LED lighting engineering, come lamp illumination the more to adopt the lamp that constitutes by LED to throw light on more, but the problem of heat dissipation problem and secondary light-distribution is the bottleneck that the LED illumination is used, in order to prolong the service life of the lamp that constitutes by LED, improve lighting quality, it is a very important ring that the lamp housing of design good heat dissipation has good distribution curve flux simultaneously again.
Summary of the invention
A kind of lamp that constitutes by LED that has phase change radiator structure, include: hole, the valve nozzle that vacuumizes, power supply aluminium sheet, the LED driving power of the lid of radiator, lumen of radiator, LED lamp pearl, copper base, phase-change heat liquid, sealing phase-change liquid, the valve nozzle that installation vacuumizes, lumen of radiator is made up of the lid of radiator outer wall, radiator inwall and sealing phase-change liquid, phase-change heat liquid is put in the hole of the valve nozzle that vacuumizes by installation in the inner chamber, is evacuated down to certain pressure with the valve nozzle that vacuumizes; The copper base that has the good LED lamp pearl of welding is installed on the described radiator, and the bottom of described radiator is provided with the concave surface of different angles, and is fluted on each concave surface, and the copper base that is welded with LED is installed in the radiator groove.
The lid of the outer wall of radiator and the inwall of radiator and sealing phase-change liquid welds together, good seal, and wherein covering of the sealing phase-change liquid of an end reserved the screw hole that installation vacuumizes valve nozzle.
The inner chamber muscle of radiator is milled into certain depth with milling machine, make the inner chamber of radiator be communicated as one.
Phase-change heat liquid is mixed by several different liquids and constitutes, and these several liquid have the different temperatures boiling point, flash to gas by heated liquid, and the vaporized gas outer wall that is subjected to being lower than boiling temperature condenses into after liquid refluxes then, and heat radiation circulates.
The top and the side of described radiator are provided with radiating fin.
Described radiator also has cavity, and the power supply aluminium sheet is installed in the cavity, and the LED driving power is installed on the power supply aluminium sheet, and the groove that the power supply aluminium sheet is prolonging radiator cavity both sides is inserted in the radiator cavity.
Described radiator also has the clip of rubber weather strip, glass, high saturating glass, and described rubber weather strip is installed in the radiator groove, and the clip with card glass is prolonging the radiator groove then, and high glass and radiator are fixed together.
Described radiator also has rubber gasket, end cap, and rubber gasket and end cap are fixed on the radiator with screw.
Rubber gasket is the silicagel pad of waterproof.
Described lamp also has secondary lens, secondary lens is installed to each LED lamp pearl.
Being installed in the hot spot that the secondary lens on the LED lamp pearl sends is rectangle.
Radiator is an extrusion modling with the inner chamber that holds phase-change heat liquid, is integrated design; Described radiator is made for the high heat conduction aluminum or aluminum alloy of extruding.
Arm is inserted into the Kong Guanzhong of radiator, and the introducing hole of the Kong Guanyu power line of described radiator is connected, and described hole pipe is provided with the internal thread hole.
LED lamp pearl is to be welded on the copper base with Reflow Soldering, reduces the thermal resistance value between LED lamp pearl and the copper base like this.
Copper base is provided with the both positive and negative polarity pad that outreaches power supply, is connected with the LED driving power by the pad welding lead.
The radiator cavity is provided with and the wire hole that is connected the lamp stand arm, and wire hole is provided with water joint.
The present invention directly closely links to each other the copper base of led light source with radiator, to obtain the shortest heat conduction approach, radiator generates heat to uniform temperature, the phase-change liquid vaporization of lumen of radiator, take away side and the top of heat to radiator, run into low side of temperature and top, have gas to condense into liquid and reflux, so circulation.The side and the top of radiator are provided with fin, increase the area of heat radiation convection current; Several concave surfaces are arranged at the radiator bottom, and on the LED lamp pearl secondary light-distribution lens are arranged, and obtain perfectly luminosity curve, make to reduce the dazzle that LED lamp pearl road pavement causes by road surface illumination uniformity height.Glass of the present invention, sealing rubber strip, rubber blanket, end cap forms the cavity of sealing, prevents that effectively the dust rainwater from entering.The present invention adopts extrusion structure, and the material of intercepting different length can satisfy the requirement of different capacity heat radiation.
Description of drawings
The present invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is the stereoeffect front schematic view of preferred embodiment of the present invention;
Fig. 2 is the stereoeffect schematic rear view of preferred embodiment of the present invention;
Fig. 3 is a structure chart of the present invention;
Fig. 4 is the plug schematic diagram of sealing phase-change liquid of the present invention;
Fig. 5 is LED of the present invention, secondary lens copper base installation diagram;
Fig. 6 is a general assembly schematic diagram of the present invention.
The specific embodiment
Phase transformation is meant that the liquid by multiple different boiling mixes, thereby is absorbed heat after fluid temperature reaches a kind of boiling temperature of liquid by liquid, becomes gas by liquid.Material has three phases, promptly solid-state, liquid, gaseous state.For example water is liquid, and steam is gas, becomes steam by aqueous water and need absorb a large amount of heat.
But LED is meant light emitting diode.
The purpose that vacuumizes is in order to reduce the boiling point of phase-change liquid.
The pressure to certain that vacuumizes is meant for the boiling point of phase-change liquid is reduced to suitable temperature and adopts corresponding pressure, the vacuum difference of phase-change liquid, and boiling point is also different; Vacuum is high more, and the boiling point of phase-change liquid is low more, therefore can adjust the temperature of the vacuum of phase-change liquid with control LED lamp according to the local meteorological geographical temperature that will install.
A kind of lamp that is made of LED that has phase change radiator structure includes: the lid 9 of radiator 1, radiator 1 inner chamber 1-3, LED lamp pearl 2, copper base 3, phase-change heat liquid 8, sealing phase-change liquid, hole 9-1, the valve nozzle 10 that vacuumizes, power supply aluminium sheet 11, the LED driving power 12 of the valve nozzle that vacuumizes are installed.
As shown in Figure 1, 2, 3, radiator 1 comprises and is provided with the inner chamber 1-3 that phase-change liquid is filled in inside, and the concave surface of several different angles is arranged at the bottom, and each concave surface is provided with a groove 1-4 that copper base 3 is installed; The lid 9 of the outer wall 1-1 of radiator and the inwall 1-2 of radiator and sealing phase-change liquid welds together, good seal, and wherein covering of the sealing phase-change liquid of an end reserved the screw hole that installation vacuumizes valve nozzle 10; The inner chamber muscle 1-7 of radiator is milled into certain depth with milling machine, make the inner chamber 1-3 of radiator be communicated as one; Phase-change heat liquid 8 is made of several different liquids mixing, these several liquid have the different temperatures boiling point, flash to gas by heated liquid, the vaporized gas outer wall 1-1 that is subjected to being lower than boiling temperature condenses into after liquid refluxes then, heat radiation circulates, release heat when gas becomes liquid, at this moment heat discharges by outer wall 1-1; The top of radiator and side are provided with radiating fin 1-5, increase area of dissipation, and certain intensity is arranged; Be filled with phase-change liquid 8 in the lumen of radiator 1-3; Radiator 1 is an extrusion modling with the inner chamber 1-3 that holds phase-change heat liquid, is integrated design; Described radiator 1 is made for the high heat conduction aluminum or aluminum alloy of extruding; Radiator 1 inside is provided with the inner chamber that LED driving power 12 is installed, and is provided with the draw-in groove of card power supply aluminium sheet 11 in the both sides of inner chamber; Top above the radiator is provided with the metal tube 1-8 that arm is installed.
Radiator is provided with the draw-in groove 1-9 that card is installed glass, by this draw-in groove 1-9, with clip 7 high glass 5, sealing rubber strip 6, radiator 1 is stuck.
Shown in Fig. 4,5, the lid 9 of sealing phase-change liquid is welded on the radiator 1, the inner chamber 1-3 that makes a sealing of the inner formation of radiator, be provided with the hole 9-1 that an installation is evacuated down to the valve nozzle of certain pressure covering of phase-change liquid of sealing, inject phase-change liquid 8 by this hole 9-1, the valve nozzle 10 that is evacuated down to certain pressure is installed on the 9-1 of this hole, is evacuated down to certain pressure, with pliers this valve nozzle 10 is sealed then by these valve nozzle 10 usefulness vavuum pumps; LED lamp pearl 2 usefulness reflow machines are welded on the copper base 3, can reduce thermal resistance value between LED lamp pearl 2 and the copper base 3 with Reflow Soldering, copper base 3 usefulness screws are fixed in the draw-in groove 1-4 of radiator, and the thickness of copper base 3 is consistent with the groove 1-4 degree of depth, and copper base 3 is is just filled and led up groove 1-4; Secondary lens 4 is fixed on each LED lamp pearl 2, and being installed in the hot spot that the secondary lens 4 on the LED lamp pearl 2 sends is rectangle; Sealing rubber strip 6 is installed in the groove 1-10 of radiator, high glass 5 is put into radiator 3 bottoms pushes down rubber strip 6, rubber strip has elasticity, blocks high saturating glass 5 with clip 7 along the draw-in groove 1-9 of radiator and is inserted on the radiator 1.
As shown in Figure 6, led driver power supply 12 usefulness screws are installed on the power supply aluminium sheet 11, the power supply aluminium sheet helps the heat radiation of described led driver power supply, the power supply aluminium sheet is inserted among the cavity 1-6 of radiator along the groove 1-11 of the cavity 1-6 the inside of radiator, the lead of led driver power supply is drawn at radiator metal tube 1-8, on the lead fairlead water joint is installed; Rubber gasket 13 and end cap 14 usefulness screws are fixed on the cavity that forms a sealing on the radiator 1, water proof and dust proof, rubber gasket 13 is the silicagel pad of waterproof; Metal tube 1-8 on the radiator 1 and the assembling of the arm of street lamp have the internal thread hole in the arm hole of radiator 1, are fixed on the arm by the internal thread hole with screw.
The present invention can be according to the needs of the power of the lamp that is made of LED, and the radiator of intercepting different length is realized.
Claims (10)
1. lamp that constitutes by LED that has phase change radiator structure, include: radiator (1), radiator (1) inner chamber (1-3), LED lamp pearl (2), copper base (3), phase-change heat liquid (8), the lid (9) of sealing phase-change liquid, the hole of the valve nozzle that installation vacuumizes (9-1), the valve nozzle that vacuumizes (10), power supply aluminium sheet (11) and LED driving power (12), radiator (1) inner chamber (1-3) is by radiator outer wall (1-1), the lid (9) of radiator inwall (1-2) and sealing phase-change liquid is formed, phase-change heat liquid (8) is put in the hole (9-1) of the valve nozzle that vacuumizes by installation in the inner chamber (1-3), is evacuated down to certain pressure with the valve nozzle (10) that vacuumizes; Described radiator (1) is gone up the copper base (3) that has the good LED lamp pearl (2) of welding is installed, the bottom of described radiator (1) is provided with the concave surface of different angles, fluted on each concave surface (1-4) is installed in the radiator groove (1-4) being welded with LED (2) copper base (3).
2. the lamp that constitutes by LED that has phase change radiator structure according to claim 1, it is characterized in that: the lid (9) of the inwall (1-2) of outer wall of radiator (1-1) and radiator and sealing phase-change liquid welds together, good seal, wherein covering of the sealing phase-change liquid of an end reserved the screw hole that installation vacuumizes valve nozzle (10).
3. the lamp that is made of LED that has phase change radiator structure according to claim 1 is characterized in that: the inner chamber muscle (1-7) of radiator is milled into certain depth with milling machine, make the inner chamber (1-3) of radiator be communicated as one.
4. the lamp that constitutes by LED that has phase change radiator structure according to claim 1, it is characterized in that: phase-change heat liquid (8) is made of several different liquids mixing, these several liquid have the different temperatures boiling point, flash to gas by heated liquid, the vaporized gas outer wall (1-1) that is subjected to being lower than boiling temperature condenses into after liquid refluxes then, and heat radiation circulates.
5. the lamp that is made of LED that has phase change radiator structure according to claim 1, it is characterized in that: the top of described radiator (1) and side are provided with radiating fin (1-5).
6. the lamp that constitutes by LED that has phase change radiator structure according to claim 1, it is characterized in that: described radiator (1) also has cavity (1-6), power supply aluminium sheet (11) is installed in the cavity (1-6), power supply aluminium sheet (11) is gone up LED driving power (12) is installed, and the groove that power supply aluminium sheet (11) is prolonging radiator cavity (1-6) both sides is inserted in the radiator cavity.
7. the lamp that constitutes by LED that has phase change radiator structure according to claim 1, it is characterized in that: described radiator (1) also has the clip (7) and the high saturating glass (5) of rubber weather strip (6), glass, described rubber weather strip (6) is installed in the radiator groove, clip (7) with card glass is prolonging the radiator groove then, and high glass (5) and radiator (1) are fixed together.
8. the lamp that constitutes by LED that has phase change radiator structure according to claim 1, it is characterized in that: described radiator (1) also has rubber gasket (13), end cap (14), and rubber gasket (13) and end cap (14) are fixed on the radiator with screw.
9. the lamp that is made of LED that has phase change radiator structure according to claim 8, it is characterized in that: rubber gasket (13) is the silicagel pad of waterproof.
10. the lamp that is made of LED that has phase change radiator structure according to claim 1, it is characterized in that: described lamp also has secondary lens (4), secondary lens (4) is installed to each LED lamp pearl (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100845257A CN101561129B (en) | 2009-05-20 | 2009-05-20 | LED lamp provided with phase change radiator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100845257A CN101561129B (en) | 2009-05-20 | 2009-05-20 | LED lamp provided with phase change radiator structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101561129A CN101561129A (en) | 2009-10-21 |
| CN101561129B true CN101561129B (en) | 2010-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100845257A Expired - Fee Related CN101561129B (en) | 2009-05-20 | 2009-05-20 | LED lamp provided with phase change radiator structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101561129B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155729A (en) * | 2011-04-28 | 2011-08-17 | 华南理工大学 | Heat dissipation method of LED (light-emitting diode) device and device |
| CN102384449A (en) * | 2011-11-03 | 2012-03-21 | 苏州晶雷光电照明科技有限公司 | LED (light-emitting diode) lamp easy to dissipate heat |
| CN103672591A (en) * | 2013-11-30 | 2014-03-26 | 四川格兰德科技有限公司 | LED street lamp convenient to mount |
| CN106647022A (en) * | 2016-12-01 | 2017-05-10 | 深圳市华星光电技术有限公司 | Heat dissipation structure of backlight module, backlight module, liquid crystal display module and television set |
| CN113075818A (en) * | 2021-03-24 | 2021-07-06 | 惠州市华星光电技术有限公司 | Backlight module and display device |
-
2009
- 2009-05-20 CN CN2009100845257A patent/CN101561129B/en not_active Expired - Fee Related
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| CN101561129A (en) | 2009-10-21 |
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Granted publication date: 20100811 Termination date: 20130520 |