CN203099455U - High-heat-dissipation light-emitting diode (LED) lamp - Google Patents
High-heat-dissipation light-emitting diode (LED) lamp Download PDFInfo
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- CN203099455U CN203099455U CN2013200890201U CN201320089020U CN203099455U CN 203099455 U CN203099455 U CN 203099455U CN 2013200890201 U CN2013200890201 U CN 2013200890201U CN 201320089020 U CN201320089020 U CN 201320089020U CN 203099455 U CN203099455 U CN 203099455U
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- heat
- led light
- heat radiation
- heat pipe
- pipe
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Abstract
The utility model discloses a high-heat-dissipation light-emitting diode (LED) lamp. The high-heat-dissipation LED lamp comprises an outer casing pipe, an LED light source board and a heat-dissipation heat pipe, wherein the outer casing pipe is connected with the heat-dissipation heat pipe which is connected with the bottom face of the LED light source board, the bottom face of the LED light source board faces upwards, and a heat absorption side of the heat-dissipation heat pipe is attached to the bottom face of the LED light source board to outwards conduct circuit heat of the LED light source board. A mode of using the heat pipe to conduct heat and dissipate the heat is adopted in the high-heat-dissipation LED lamp, heat dissipation efficiency is high, continuous rising of temperate in the LED lamp is effectively reduced, and the service life of the LED lamp is prolonged.
Description
Technical field
The utility model relates to energy-saving lamp, particularly a kind of high heat radiation LED lamp.
Background technology
LED light fixture and light source, are widely used in the illumination of various occasions after its luminous efficiency progressively improves owing to have advantages such as energy-saving and environmental protection and life-span be long.A kind of common LED fitting structure is disclosed in China's utility model specification 201220024404.0, this LED light fixture comprises parts such as power supply, PC outer cover and radiator, wherein power supply, pcb board are installed in PC outer cover inside, radiator is installed in the pcb board bottom surface, because radiator is a tubular, therefore heat radiation is main realizes by the cross-ventilation that forms in the tube.But the radiating effect in the said structure is subjected to the influence of environment temperature bigger, therefore, is not used under the hot environment.At problem in the above-mentioned prior art, the radiator structure of another kind of LED fluorescent lamp is disclosed in Chinese utility model specification 201120553356.X, be with the difference of first kind of radiator structure, heat radiation tubing has adopted heat conduction good metal material, simultaneously it is made as heat radiating fin structure, can satisfies the heat radiation of general LED light fixture and use.But for the high-power LED light source that in view or ambient lighting, is commonly used, when it uses because the intensification of metal base LED light source board is very fast and cumulative effects temperature is obvious, simultaneously metal fin to the heat that adds up to distribute effect relatively poor, thereby metal fin itself in use, self temperature progressively increases progressively, radiating effect reduces, and shortened the service life of high-power LED light source, makes the brightness decay aggravation.
The utility model content
The purpose of this utility model provides a kind of long service life LED, radiating efficiency height, good heat dissipation effect and the less light fixture of light decay.
According to an aspect of the present utility model, the high heat radiation LED lamp that provides, comprise outer tube, led light source plate and heat radiation heat pipe, described outer tube is connected with the heat radiation heat pipe, described heat radiation heat pipe is connected with the bottom surface of described led light source plate, the bottom surface of described led light source plate is towards upwards, makes the fit bottom surface of described led light source plate of the heat absorbing side of described heat radiation heat pipe, outwards conducts the circuit heat of described led light source plate.
In some embodiments, the bottom surface that is connected with the bottom surface of described led light source plate at described heat radiation heat pipe has two-way spiral-lock hook, and described led light source plate is arranged in the formed passage in bottom surface of the inboard hook of described spiral-lock hook and described heat radiation heat pipe.
In some embodiments, described spiral-lock hook and the one-body molded or described spiral-lock hook of described heat radiation heat pipe and described heat radiation heat pipe are for flexibly connecting.
In some embodiments, the two ends of described outer tube have kink, and described kink is arranged in the formed passage in bottom surface of the outside hook of described spiral-lock hook and described heat radiation heat pipe.
In some embodiments, the condensation side outer wall of described heat radiation heat pipe is heat radiation grid structure, and the inwall of described heat radiation heat pipe is interior fin structure.
In some embodiments, further comprise sleeve pipe shutoff, the sleeve pipe shutoff that is arranged at described outer tube, led light source plate and heat radiation heat pipe two ends.
In some embodiments, further comprise: outside heat radiation grid, the inwall of described outside heat radiation grid is corresponding with the condensation side outer wall shape of described heat radiation heat pipe and be flexible connection.
In some embodiments, described heat radiation heat pipe inner chamber comprises: the vacuum liquid-absorbing layer.
In some embodiments, the vacuum ranges value of described heat radiation heat pipe is 1.3 * 10
-1～1.3 * 10
-4Pa.
In some embodiments, the heat-pipe medium of described heat radiation heat pipe is acetone or heat conduction silicone oil.
LED light fixture of the present utility model adopts the mode of heat pipe heat radiation, and the radiating efficiency height has effectively reduced the lasting rising of temperature in the LED light fixture, has prolonged the service life of LED light fixture.
Description of drawings
Fig. 1 is a vertical innings of cutaway view of high heat radiation LED lamp in the utility model one embodiment;
Fig. 2 be among Fig. 1 A-A to cutaway view;
Fig. 3 for B-B among Fig. 1 to the LED light fixture in the spiral-lock hook be the cutaway view of breakthrough form;
Fig. 4 be among Fig. 1 B-B to the LED light fixture in the spiral-lock hook for being interrupted the cutaway view of shape;
Fig. 5 is the cutaway view of a kind of heat pipe condensation side of dispelling the heat in the utility model one embodiment;
Fig. 6 is the cutaway view of another kind of heat radiation heat pipe condensation side in the utility model one embodiment.
The specific embodiment
Below in conjunction with accompanying drawing utility model is described in further detail.
Fig. 1 is the longitudinal sectional view of high heat radiation LED lamp in the embodiment of the present utility model.The LED light fixture comprises among this embodiment: outer tube 1, led light source plate 2, heat radiation heat pipe 4 and the sleeve pipe shutoff 51, the sleeve pipe shutoff 52 that are arranged on outer tube 1, led light source plate 2 and heat radiation heat pipe 4 two ends.
Wherein, led light source plate 2 is made up of subsides weldering high-power LED light source 3 and power module 6 on the aluminum-based circuit board 21, tubular outer tube 1 is arranged at a side of led light source plate 2, the bottom surface of its aluminum-based circuit board 21 makes progress, and the solder side of aluminum-based circuit board 21 welding high-power LED light sources 3 is (light emission direction that is high-power LED light source 3 is downward) downwards.
Heat radiation heat pipe 4 is positioned at the bottom surface upside of aluminum-based circuit board 21, fits with the bottom surface of aluminum-based circuit board 21 is fixing, makes fit bottom surface with aluminum-based circuit board 21 of heat absorbing side 45 in the heat radiation heat pipe 4.Sleeve pipe shutoff 51, sleeve pipe shutoff 52 are carried out shutoff from the both sides of outer tube 1, led light source plate 2 and heat radiation heat pipe 4 and are fixed.One end of external electrode 7 stretches out from the both sides of sleeve pipe shutoff 51, sleeve pipe shutoff 52, and the other end is communicated with supply line in the inner led light source plate 2, thus formation the utility model LED light fixture.
Fig. 2 be among Fig. 1 A-A to LED light fixture cutaway view, embodied the cross section structure of LED light fixture.From this figure, embodied the connected mode of heat radiation heat pipe 4 with led light source plate 2, in the bottom surface that heat radiation heat pipe 4 is connected with led light source plate 2 bottoms (being the bottom surface of aluminum-based circuit board 21), has two-way spiral-lock hook 41 one-body molded with heat radiation heat pipe 4 and that be arranged in parallel, led light source plate 2 can be inserted into from a side of heat radiation heat pipe 4 in the formed passage in bottom surface of the inboard hook 41a of two two-way spiral-lock hooks 41 and the heat pipe 4 that dispels the heat, thereby makes led light source plate 2 be fixed on the bottom surface of heat radiation heat pipe 4.The two ends of outer tube 1 have kink, this kink from outside hook 41b with the formed passage in bottom surface of heat radiation heat pipe 4 in insert, thereby realize the flexible connection of outer tube 1 and heat radiation heat pipe 4.Applying for the bottom surface that increases heat radiation heat pipe 4 bottom surfaces and aluminum-based circuit board 21, face fine finishining polishing can carried out in the area surface between inboard hook 41a on the bottom surface of aluminum-based circuit board 21 or on heat radiation heat pipe 4, make surface roughness less than 3.2 or 1.6, improve the fineness of contact-making surface, thereby improve heat conductivility.Fig. 3 is shown in the LED light fixture cutaway view of B-B among Fig. 1, and as shown in Figure 3, in said structure, the longitudinal length of the two-way spiral-lock hook 41 that be arranged in parallel (being on the length direction of LED light fixture) can be consistent with the length of heat radiation heat pipe 4 bottom surfaces.But this structure is in two-way spiral-lock hook 41 and aluminum-based circuit board 21 assembling processes, if aluminum-based circuit board 21 both sides compact dimensions errors are bigger, then can cause aluminum-based circuit board 21 to be difficult for assembling, the possibility of local deformation is improved, make aluminum-based circuit board 21 bottoms and the significant surface of heat radiation heat pipe 4 bottom surfaces fit and to guarantee, be head it off, can will connect two-way spiral-lock hook 41 structural adjustments of design for being interrupted two-way spiral-lock hook 41 structures (as shown in Figure 4) of design, thereby reduce the length of fit of aluminum-based circuit board 21 both sides and inboard hook 41a, reduce assembly deflections, guarantee that the applying of aluminum-based circuit board 21 and heat radiation heat pipe 4 bottom surfaces is fixed.
As the core component that dispels the heat in the above-mentioned LED light fixture, heat radiation heat pipe 4 outsides can adopt alloys such as aluminium, copper to make, the heat pipe structure of band vacuum liquid-absorbing layer in can selecting for use simultaneously, thereby quicken water conservancy diversion speed from condensation side to heat absorbing side, inside heat pipe vacuum ranges value can be chosen 1.3 * 10-1～1.3 * 10-4Pa, and its heat-pipe medium can select for use acetone or thermal conductive silicon wet goods medium to realize.Consider luminescence features such as led light source lighting angle simultaneously, when needs difference illumination effect, that outer tube 1 can be selected for use is transparent, cloudy surface (astigmatic face), frosting and have vertically protruding stupefied sleeve pipe, and its material can be selected light transmission PC material or glass material preferably for use.Power module can adopt tunable optical High Power Factor four-way high pressure LDO; CN2516; advantages such as this driving power has low quiescent current, need not inductance element, inner integrated 500V switching device, High Power Factor, high efficiency (up to 85%), LED electric current able to programme and overheat protector can satisfy the LED light fixture in use to the needs of light source power supply and illumination control.
Fig. 5 shows the condensation side 46 of heat radiation heat pipe 4 for heat radiation grid structure, is not vulnerable to the influence of environment temperature for making condensation side 46, keeps stable chilling temperature, can realize by the method afford that strengthens the condensation side condensation area.The difference of Fig. 5 and Fig. 2 is that the condensation side 46 of heat radiation heat pipe 4 is shaped as the heat radiation grid structure 43 of outside stretching, extension, and the inwall of heat radiation heat pipe 4 is interior fin structure 44.Its outside heat radiation grid structure 43 can improve area of dissipation, and inner fin structure 44 can make condensation side to the water conservancy diversion of heat absorbing side speed up, thereby makes the cooling effect of heat radiation heat pipe 4 stable, is not vulnerable to the influence of external environment.When the area that needs when outer heat radiation grid structure 43 is big, use the structure of integraty to have difficult processing, the shortcoming that is difficult for assembling, therefore, when needs large tracts of land heat radiation grid structure 43, as shown in Figure 6, can adopt dismountable outside heat radiation grid 61, the outline of the condensation side 46 of heat radiation heat pipe 4 is many parallel teeth 42a, the inwall of outside heat radiation grid 61 is corresponding with many parallel teeth of condensation side 42a outer wall shape of heat radiation heat pipe 4, and can be inserted into the parallel teeth 42a flexible connection of the condensation side 46 of realization and heat radiation heat pipe 4 from sidepiece.This structure has increased the warm area that is subjected to of condensation side on the one hand, makes large tracts of land heat radiation grid be more convenient for assembling on the one hand.
Cross-sectional view in conjunction with LED light fixture in the utility model shown in Fig. 2, work and heat radiation process to the LED light fixture are described: when outer electrode 7 external 220V, 220V alternating current by 6 pairs of accesses of power module carries out the rectification step-down, power to the circuit of each high-power LED light source 3 afterwards, high-power LED light source 3 produces heat in luminescence process, heat upwards conducts to heat absorbing side 45 belows of heat radiation heat pipe 4 by aluminum-based circuit board 21, when heat radiation heat pipe 4 horizontal positioned, because liquid wherein is in downside, therefore heat absorbing side 45 is in the bottom of heat radiation heat pipe 4, the heat absorbing side 45 of heat pipe 4 belows of dispelling the heat this moment absorbs the bottom heat of aluminum-based circuit board 21, be evaporated to gaseous state after reaching boiling point, make the pressure of heat radiation heat pipe 4 heat absorbing side 45 be higher than the condensation side 46 of the heat pipe 4 that dispels the heat, steam flows to condensation side 46 from heat absorbing side 45 by way of the adiabatic section under small pressure reduction, arrive and condense into liquid state after condensation side 46 is emitted heat, liquid heat-pipe medium flows back to heat absorbing side 45 along inner tubal wall.When having the vacuum liquid-absorbing layer in inside, heat-pipe medium flows back to heat absorbing side 45 along the imbibition sandwich layer by the effect of capillary force.So circulation, heat reaches condensation side 46 by the heat absorbing side 45 of heat radiation heat pipe 4 and distributes.Make the radiating efficiency height of light fixture by liquid heat radiation, effectively reduced the lasting rising of temperature in the LED light fixture, prolonged the service life of LED light fixture.
Above-described only is embodiments more of the present utility model.For the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model creation design, can also make some distortion and improvement, these all belong to the protection domain of utility model.
Claims (10)
1. high heat radiation LED lamp, it is characterized in that, comprise: outer tube (1), led light source plate (2) and heat radiation heat pipe (4), described outer tube (1) is connected with heat radiation heat pipe (4), described heat radiation heat pipe (4) is connected with the bottom surface of described led light source plate (2), the bottom surface of described led light source plate (2) is towards upwards, makes the fit bottom surface of described led light source plate (2) of the heat absorbing side of described heat radiation heat pipe (4), outwards conducts the circuit heat of described led light source plate (2).
2. LED light fixture according to claim 1, it is characterized in that, has two-way spiral-lock hook (41) at described heat radiation heat pipe (4) with the bottom surface that the bottom surface of described led light source plate (2) is connected, in the inboard hook (41a) that described led light source plate (2) is arranged on described spiral-lock hook (41) and the formed passage in bottom surface of described heat radiation heat pipe (4).
3. LED light fixture according to claim 2 is characterized in that, described spiral-lock hook and the one-body molded or described spiral-lock hook of described heat radiation heat pipe (4) and described heat radiation heat pipe (4) are for flexibly connecting.
4. according to claim 2 or 3 described LED light fixtures, it is characterized in that the two ends of described outer tube (1) have kink, in the outside hook (41b) that described kink is arranged on described spiral-lock hook and the formed passage in bottom surface of described heat radiation heat pipe (4).
5. LED light fixture according to claim 4 is characterized in that, the condensation side outer wall of described heat radiation heat pipe (4) is heat radiation grid structure, and the inwall of described heat radiation heat pipe (4) is interior fin structure.
6. LED light fixture according to claim 5 is characterized in that, further comprises the sleeve pipe shutoff (51), the sleeve pipe shutoff (52) that are arranged at described outer tube (1), led light source plate (2) and heat radiation heat pipe (4) two ends.
7. according to claim 1 or 6 described LED light fixtures, it is characterized in that: also comprise: outside heat radiation grid, the inwall of described outside heat radiation grid is corresponding with the condensation side outer wall shape of described heat radiation heat pipe (4) and be flexible connection.
8. LED light fixture according to claim 1 is characterized in that, described heat radiation heat pipe (4) inner chamber comprises: the vacuum liquid-absorbing layer.
9. LED light fixture according to claim 8 is characterized in that, the vacuum ranges value of described heat radiation heat pipe (4) is 1.3 * 10
-1～1.3 * 10
-4Pa.
10. LED light fixture according to claim 9 is characterized in that, the heat-pipe medium of described heat radiation heat pipe (4) is acetone or heat conduction silicone oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200890201U CN203099455U (en) | 2013-02-27 | 2013-02-27 | High-heat-dissipation light-emitting diode (LED) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200890201U CN203099455U (en) | 2013-02-27 | 2013-02-27 | High-heat-dissipation light-emitting diode (LED) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203099455U true CN203099455U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200890201U Expired - Fee Related CN203099455U (en) | 2013-02-27 | 2013-02-27 | High-heat-dissipation light-emitting diode (LED) lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203099455U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103824928A (en) * | 2014-03-18 | 2014-05-28 | 熊文勇 | LED (Light Emitting Diode) horizontal fluid dissipating COB (Chip-On-Board) light source and packaging process thereof |
| CN104006310A (en) * | 2013-02-27 | 2014-08-27 | 北京艾久瓦光电科技有限公司 | High-heat-dissipation LED (Light Emitting Diode) lamp |
-
2013
- 2013-02-27 CN CN2013200890201U patent/CN203099455U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006310A (en) * | 2013-02-27 | 2014-08-27 | 北京艾久瓦光电科技有限公司 | High-heat-dissipation LED (Light Emitting Diode) lamp |
| CN103824928A (en) * | 2014-03-18 | 2014-05-28 | 熊文勇 | LED (Light Emitting Diode) horizontal fluid dissipating COB (Chip-On-Board) light source and packaging process thereof |
| CN103824928B (en) * | 2014-03-18 | 2017-06-20 | 熊文勇 | LED lateral fluids radiating COB light source and its packaging technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20130731 Termination date: 20160227 |