CN104006310A - High-heat-dissipation LED (Light Emitting Diode) lamp - Google Patents
High-heat-dissipation LED (Light Emitting Diode) lamp Download PDFInfo
- Publication number
- CN104006310A CN104006310A CN201310061315.2A CN201310061315A CN104006310A CN 104006310 A CN104006310 A CN 104006310A CN 201310061315 A CN201310061315 A CN 201310061315A CN 104006310 A CN104006310 A CN 104006310A
- Authority
- CN
- China
- Prior art keywords
- led light
- heat radiation
- heat
- heat pipe
- light source
- 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.)
- Pending
Links
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses an LED (Light Emitting Diode) lamp. The LED lamp comprises an outer casing, an LED light source board and a heat dissipation heat tube; the outer casing is connected with the heat dissipation heat tube; the heat dissipation heat tube is connected with the bottom surface of the LED light source board; the bottom surface of the LED light source board is upward to enable the heat absorption side of the heat dissipation heat tube to be attached to the bottom surface of the LED light source board so as to conduct the circuit heat of the LED light source board outward. According to the LED lamp, heat transfer and heat dissipation are performed through the heat tube and accordingly the heat dissipation efficiency is high, the continuous rising of the temperature in the LED lamp is effectively reduced, and the service life of the LED lamp is extended.
Description
Technical field
The present invention relates to energy-saving lamp, particularly a kind of high heat radiation LED lamp.
Background technology
LED lamp and the source of light, owing to having the advantage such as energy-saving and environmental protection and life-span length, after its luminous efficiency progressively improves, is widely used in the illumination of various occasions.In China's utility model description 201220024404.0, a kind of common LED fitting structure is disclosed, this LED light fixture comprises the parts such as power supply, PC outer cover and radiator, wherein power supply, pcb board are arranged on PC outer cover inside, pcb board bottom surface installation of heat radiator, because radiator is tubular, therefore heat radiation is main realizes by the cross-ventilation forming in cylinder.But the radiating effect in said structure is subject to the impact of environment temperature larger, therefore, be not used under hot environment.For problem in above-mentioned prior art, the radiator structure of another kind of LED fluorescent lamp is disclosed in Chinese utility model description 201120553356.X, be with the difference of the first radiator structure, heat radiation tubing has adopted the good metal material of heat conduction, be made as heat radiating fin structure, the heat radiation that can meet general LED light fixture is used simultaneously.But for the high-power LED light source being commonly used in view or ambient lighting, intensification cumulative effects very fast and temperature due to metal base LED light source board when it uses is obvious, simultaneously metal fin to cumulative heat to distribute effect poor, thereby metal fin itself in use, self temperature progressively increases progressively, radiating effect reduces, and finally makes shorten the service life of high-power LED light source, makes brightness decay aggravation.
Summary of the invention
The object of this invention is to provide that a kind of long service life LED, radiating efficiency are high, good heat dissipation effect and the less light fixture of light decay.
According to an aspect of the present invention, the high heat radiation LED lamp providing, comprise outer tube, LED light source plate and heat radiation heat pipe, described outer tube is connected with 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 being connected with the bottom surface of described LED light source plate at described heat radiation heat pipe has bidirectional button setting hook, and described LED light source plate is arranged in the passage that the inner side hook of described spiral-lock hook and the bottom surface of described heat radiation heat pipe form.
In some embodiments, described spiral-lock hook or described spiral-lock hook one-body molded with described heat radiation heat pipe with described heat radiation heat pipe for being flexibly connected.
In some embodiments, the two ends of described outer tube have kink, and described kink is arranged in the passage that the outside hook of described spiral-lock hook and the bottom surface of described heat radiation heat pipe form.
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 the sleeve pipe shutoff, the sleeve pipe shutoff that are arranged at described outer tube, LED light source plate and heat radiation heat pipe two ends.
In some embodiments, further comprise: external cooling grid, the condensation side outer wall shape of the inwall of described outer heat radiation grid and described heat radiation heat pipe is corresponding and for being flexibly connected.
In some embodiments, described heat radiation heat pipe inner chamber comprises: 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 invention adopts the mode of heat pipe heat radiation, and radiating efficiency is high, effectively reduces the lasting rising of temperature in LED light fixture, has extended the service life of LED light fixture.
Brief description of the drawings
Fig. 1 is longitudinal innings of cutaway view of high heat radiation LED lamp in an embodiment of the present invention;
Fig. 2 be in Fig. 1 A-A to cutaway view;
Fig. 3 be in Fig. 1 B-B to LED light fixture in the spiral-lock hook cutaway view that is breakthrough form;
Fig. 4 be in Fig. 1 B-B to LED light fixture in spiral-lock hook be to be 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 an embodiment of the present invention;
Fig. 6 is the cutaway view of another kind of heat radiation heat pipe condensation side in an embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, invention is described in further detail.
Fig. 1 is the longitudinal sectional view of high heat radiation LED lamp in one embodiment of the present invention.In this embodiment, LED light fixture comprises: outer tube 1, LED light source plate 2, heat radiation heat pipe 4 and be arranged on sleeve pipe shutoff 51, the sleeve pipe shutoff 52 at 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 in aluminum-based circuit board 21, tubular outer tube 1 is arranged at a side of LED light source plate 2, upwards, aluminum-based circuit board 21 is welded solder side (light emission direction that is high-power LED light source 3 is downward) downwards of high-power LED light source 3 in the bottom surface of its aluminum-based circuit board 21.
Heat radiation heat pipe 4 is positioned at the bottom surface upside of aluminum-based circuit board 21, with the fixing laminating in bottom surface of aluminum-based circuit board 21, and heat absorbing side 45 laminatings that make to dispel the heat in heat pipe 4 and the bottom surface of aluminum-based circuit board 21.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.Stretch out from the both sides of sleeve pipe shutoff 51, sleeve pipe shutoff 52 one end of external electrode 7, and the other end is communicated with the supply line in inner LED light source plate 2, thereby form LED light fixture of the present invention.
Fig. 2 be in Fig. 1 A-A to LED light fixture cutaway view, embodied the cross section structure of LED light fixture.From this figure, embody the connected mode of heat radiation heat pipe 4 with LED light source plate 2, the bottom surface being connected with LED light source plate 2 bottoms (being the bottom surface of aluminum-based circuit board 21) at heat radiation heat pipe 4, there is bidirectional button setting hook 41 one-body molded with heat radiation heat pipe 4 and that be arranged in parallel, in the passage that the inner side hook 41a that LED light source plate 2 can be inserted into two bidirectional button setting hooks 41 from a side of heat radiation heat pipe 4 and the bottom surface of heat radiation heat pipe 4 form, thereby make 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 passage that forms of bottom surface of heat radiation heat pipe 4 in insert, thereby realize being flexibly connected of outer tube 1 and the heat pipe 4 that dispels the heat.In order to increase the laminating of bottom surface of heat radiation heat pipe 4 bottom surfaces and aluminum-based circuit board 21, can on the bottom surface of aluminum-based circuit board 21 or on heat radiation heat pipe 4, in the area surface between the hook 41a of inner side, carry out face fine finishining polishing, make surface roughness be 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 in Fig. 1, and as shown in Figure 3, in said structure, the longitudinal length of the bidirectional button setting hook 41 be arrangeding 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 bidirectional button setting hook 41 and aluminum-based circuit board 21 assembling processes, if aluminum-based circuit board 21 both sides compact dimensions errors are larger, can cause aluminum-based circuit board 21 to be difficult for assembling, the possibility of local deformation is improved, aluminum-based circuit board 21 bottoms and the significant surface laminating of heat radiation heat pipe 4 bottom surfaces cannot be ensured, for head it off, can be bidirectional button setting hook 41 structures (as shown in Figure 4) of being interrupted design by bidirectional button setting hook 41 structural adjustments that connect design, thereby reduce the length of fit of aluminum-based circuit board 21 both sides and inner side hook 41a, reduce assembly deflections, the laminating that ensures aluminum-based circuit board 21 and heat radiation heat pipe 4 bottom surfaces is fixed.
As the core component dispelling the heat in above-mentioned LED light fixture, heat radiation heat pipe 4 outsides can adopt the alloy such as aluminium, copper to make, can select the interior heat pipe structure with vacuum liquid-absorbing layer simultaneously, thereby accelerate the 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 acetone or thermal conductive silicon wet goods medium to realize.Consider the luminescence features such as LED light source lighting angle simultaneously, in the time of the different illumination effect of needs, that outer tube 1 can be selected is transparent, cloudy surface (astigmatic face), frosting and have longitudinally protruding stupefied sleeve pipe, and its material can be selected the good PC material of light transmission or glass material.Power module can adopt tunable optical High Power Factor four-way high pressure LDO; CN2516; this driving power has low quiescent current, without advantages such as inductance element, inner integrated 500V switching device, High Power Factor, high efficiency (up to 85%), LED electric current able to programme and overheat protectors, can meet the needs that LED light fixture is in use controlled light source power supply and illumination.
Fig. 5 shows the condensation side 46 of heat radiation heat pipe 4 for heat radiation grid structure, for making condensation side 46 not be vulnerable to the impact of environment temperature, keeps stable chilling temperature, can realize by the method that strengthens condensation side condensation area.The difference of Fig. 5 and Fig. 2 is, 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 external cooling grid structure 43 can improve area of dissipation, and inner fin structure 44 can make condensation side to the water conservancy diversion speed of heat absorbing side accelerate, thereby the cooling effect of the heat pipe 4 that makes to dispel the heat is stable, is not vulnerable to the impact of external environment.When the area that needs when outer heat radiation grid structure 43 is larger, use the structure of integraty to have difficult processing, be difficult for the shortcoming of assembling, therefore, in the time of needs large area heat radiation grid structure 43, as shown in Figure 6, can adopt dismountable external cooling grid 61, the outline of the condensation side 46 of heat radiation heat pipe 4 is many parallel teeth 42a, the inwall of outer 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 parallel teeth 42a from sidepiece, realize being flexibly connected of condensation side 46 with the heat pipe 4 that dispels the heat.This structure has increased the warm area that is subject to of condensation side on the one hand, makes on the one hand large area heat radiation grid be more convenient for assembling.
In conjunction with the cross-sectional view of LED light fixture in the present invention shown in Fig. 2, work to LED light fixture and heat radiation process are described: in the time of outer electrode 7 external 220V, by power module 6, the 220V alternating current of access is carried out to 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, in the time of heat radiation heat pipe 4 horizontal positioned, because liquid is wherein in downside, therefore the bottom of heat absorbing side 45 in heat radiation heat pipe 4, the heat absorbing side 45 of heat pipe 4 belows of now dispelling the heat absorbs the bottom heat of aluminum-based circuit board 21, after reaching boiling point, be evaporated to gaseous state, make to dispel the heat the pressure of heat pipe 4 heat absorbing side 45 higher than the condensation side 46 of heat radiation heat pipe 4, steam flows to condensation side 46 under small pressure reduction by way of adiabatic section from heat absorbing side 45, arrive after condensation side 46 is emitted heat and condense into liquid state, liquid heat-pipe medium flows back to heat absorbing side 45 along inner tubal wall.Have vacuum liquid-absorbing layer during in inside, heat-pipe medium flows back to heat absorbing side 45 along imbibition sandwich layer by the effect of capillary force.So circulation, heat reaches condensation side 46 by the heat absorbing side 45 of the heat pipe 4 that dispels the heat and distributes.Make the radiating efficiency of light fixture high by liquid radiating, effectively reduce the lasting rising of temperature in LED light fixture, extended the service life of LED light fixture.
Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to the protection domain of invention.
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, the bottom surface being connected with the bottom surface of described LED light source plate (2) at described heat radiation heat pipe (4) has bidirectional button setting hook (41), and described LED light source plate (2) is arranged in the passage that the inner side hook (41a) of described spiral-lock hook (41) and the bottom surface of described heat radiation heat pipe (4) form.
3. LED light fixture according to claim 2, is characterized in that, described spiral-lock hook or described spiral-lock hook one-body molded with described heat radiation heat pipe (4) with described heat radiation heat pipe (4) for being flexibly connected.
4. according to the LED light fixture described in claim 2 or 3, it is characterized in that, the two ends of described outer tube (1) have kink, and described kink is arranged in the passage that the outside hook (41b) of described spiral-lock hook and the bottom surface of described heat radiation heat pipe (4) form.
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 the LED light fixture described in claim 1 or 6, it is characterized in that: also comprise: external cooling grid, the condensation side outer wall shape of the inwall of described outer heat radiation grid and described heat radiation heat pipe (4) is corresponding and for being flexibly connected.
8. LED light fixture according to claim 1, is characterized in that, described heat radiation heat pipe (4) inner chamber comprises: 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 |
|---|---|---|---|
| CN201310061315.2A CN104006310A (en) | 2013-02-27 | 2013-02-27 | High-heat-dissipation LED (Light Emitting Diode) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310061315.2A CN104006310A (en) | 2013-02-27 | 2013-02-27 | High-heat-dissipation LED (Light Emitting Diode) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104006310A true CN104006310A (en) | 2014-08-27 |
Family
ID=51367112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310061315.2A Pending CN104006310A (en) | 2013-02-27 | 2013-02-27 | High-heat-dissipation LED (Light Emitting Diode) lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104006310A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201662021U (en) * | 2009-12-31 | 2010-12-01 | 深圳市泰迪伦光电科技有限公司 | LED fluorescent lamp with fine heat diffusivity |
| CN202032528U (en) * | 2011-01-21 | 2011-11-09 | 保定世纪星光新能源科技有限公司 | Pleated wall type radiating tube for LED fluorescent lamp |
| CN202171137U (en) * | 2011-06-14 | 2012-03-21 | 唐开元 | LED fluorescent lamp provided with heat superconducting pipe |
| CN202361287U (en) * | 2011-11-28 | 2012-08-01 | 江西东来大通电器有限公司 | LED (Light-Emitting Diode) lamp tube housing |
| CN202511055U (en) * | 2012-03-14 | 2012-10-31 | 苏州创高电子有限公司 | Light emitting diode (LED) lamp |
| CN203099455U (en) * | 2013-02-27 | 2013-07-31 | 北京艾久瓦光电科技有限公司 | High-heat-dissipation light-emitting diode (LED) lamp |
-
2013
- 2013-02-27 CN CN201310061315.2A patent/CN104006310A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201662021U (en) * | 2009-12-31 | 2010-12-01 | 深圳市泰迪伦光电科技有限公司 | LED fluorescent lamp with fine heat diffusivity |
| CN202032528U (en) * | 2011-01-21 | 2011-11-09 | 保定世纪星光新能源科技有限公司 | Pleated wall type radiating tube for LED fluorescent lamp |
| CN202171137U (en) * | 2011-06-14 | 2012-03-21 | 唐开元 | LED fluorescent lamp provided with heat superconducting pipe |
| CN202361287U (en) * | 2011-11-28 | 2012-08-01 | 江西东来大通电器有限公司 | LED (Light-Emitting Diode) lamp tube housing |
| CN202511055U (en) * | 2012-03-14 | 2012-10-31 | 苏州创高电子有限公司 | Light emitting diode (LED) lamp |
| CN203099455U (en) * | 2013-02-27 | 2013-07-31 | 北京艾久瓦光电科技有限公司 | High-heat-dissipation light-emitting diode (LED) lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2010099733A1 (en) | Hollow liquid cooling led lamp | |
| US20110192586A1 (en) | Heat-dissipation structure of led lamp | |
| CN201204203Y (en) | Radiating device for high-power LED | |
| CN101694290A (en) | LED lamp liquid radiator | |
| CN203099455U (en) | High-heat-dissipation light-emitting diode (LED) lamp | |
| CN203336367U (en) | Low-light-failure and high-power LED street lamp | |
| CN201425286Y (en) | Heat dissipation structure of LED lamp | |
| CN205746098U (en) | LED lamp radiating by utilizing surface of lampshade | |
| CN203743906U (en) | LED with cooling system | |
| CN201401649Y (en) | High-power heat pipe radiator LED illuminating lamp | |
| CN104006310A (en) | High-heat-dissipation LED (Light Emitting Diode) lamp | |
| CN204176607U (en) | By the LED lamp tube of body heat loss through conduction | |
| CN209909625U (en) | High-power LED lamp and radiator thereof | |
| CN203949029U (en) | A kind of high-power LED street lamp | |
| CN201589145U (en) | LED street lamp cap | |
| CN203757468U (en) | Led lamp | |
| CN201944802U (en) | LED heat radiation substrate structure | |
| CN203384729U (en) | Long-distance irradiation lamp | |
| CN102913785A (en) | LED bulb | |
| CN101929667A (en) | Heat dissipating device of LED edge type backlight module | |
| CN207035047U (en) | A kind of radiator structure of LED lamp | |
| CN207527309U (en) | A kind of LED light | |
| CN204153531U (en) | Extend the light fixture in LED life-span | |
| CN105605539A (en) | LED (light-emitting diode) street lamp energy-saving heat dissipation system | |
| CN202580778U (en) | LED (light-emitting diode) lighting source module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140827 |