CN104565945A - High-power LED down lamp with chimney effect reinforcing heat dissipation function - Google Patents
High-power LED down lamp with chimney effect reinforcing heat dissipation function Download PDFInfo
- Publication number
- CN104565945A CN104565945A CN201510026811.3A CN201510026811A CN104565945A CN 104565945 A CN104565945 A CN 104565945A CN 201510026811 A CN201510026811 A CN 201510026811A CN 104565945 A CN104565945 A CN 104565945A
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- China
- Prior art keywords
- end cover
- power led
- barrel
- shaped radiator
- light source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2101/00—Point-like light sources
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a high-power LED down lamp with a chimney effect reinforcing heat dissipation function. The high-power LED down lamp comprises a light reflection cup, a high-power LED light source module arranged at the bottom of the light reflection cup, a glass light transmitting plate and a direct-current driving power source connected with an external power source and the high-power LED light source module through circuits, and further comprises a cylindrical radiator, an upper end cover and a lower end cover, wherein the upper end cover and the lower end cover are fixed to the upper end and the lower end of the cylindrical radiator respectively. The cylindrical radiator comprises an outer cylindrical wall and an inner cylindrical wall, wherein the inner cylindrical wall is coaxially arranged in the outer cylindrical wall, a plurality of fins are arranged in a cavity formed between the outer cylindrical wall and the inner cylindrical wall in the length direction of the cylindrical radiator, and the cavity is divided by the fins into a plurality of airflow channels. According to the high-power LED down lamp, the reinforced convection effect of a chimney structure is made full use of, the coefficient of convective heat transfer of the contact surface between the radiator and air is greatly increased, heat dissipation performance of the lamp is enhanced, and the good heat dissipation effect is achieved; meanwhile, light spot illumination is more uniform, and space color temperature distribution is more uniform.
Description
Technical field
The present invention relates to lighting technical field, specifically a kind of high-power LED tube light with chimney convection effect radiator structure.
Background technology
LED(light emitting diode) be a kind of solid semiconductor device directly electric energy being converted to luminous energy.Relative to traditional incandescent lamp and fluorescent lamp, LED has shown many advantages, produces significant impact to solid state lighting industry, is considered to the strong replacer of follow-on general illumination.At present, the Down lamp of the conventional LED integrated optical source in market, power is less than normal, and heat radiation adopts exposed heronsbill radiator structure or fin radiating structure, easy laying dust, and is not easy to waterproof, and radiating efficiency is lower, and range of application is narrow and small.
Summary of the invention
For above-mentioned technical problem, the invention provides a kind of stack effect enhance heat high-power LED tube light.
Object of the present invention is achieved through the following technical solutions:
A kind of stack effect enhance heat high-power LED tube light, comprise reflector, be arranged at the high-power LED light source module bottom reflector, glass transmission plate, the direct current driving power supply of external power source and high-power LED light source module is connected by circuit, also comprise barrel-shaped radiator, be individually fixed in upper end cover and the bottom end cover of barrel-shaped radiator upper and lower side, described barrel-shaped radiator comprises cylindric outer tube wall, be arranged on the cylindric inner tube wall in outer tube wall coaxially, in cavity between described outer tube wall and inner tube wall, barrel-shaped radiator length direction is provided with multiple fin described cavity isolation being become some air flow channels, the edge of described upper end cover and bottom end cover is provided with the grid in band space, described reflector is fixed on the endoporus lower end of inner tube wall, described glass transmission plate is fixed on the lower surface of barrel-shaped radiator by bottom end cover 1, described direct current driving power supply is fixed on the lower surface of upper end cover.
Further, the material of described barrel-shaped radiator is 6063 aluminium alloys, and adopt extrusion process to make, its ductility, heat conductivility are good, easily process, and is convenient to implement extrusion process and follow-up machined.
Further, the fin of described barrel-shaped radiator is provided with the screw hole for fixing upper end cover and bottom end cover, expediently end cap and the installation between bottom end cover and barrel-shaped radiator, this screw hole can be shaping in the lump when barrel-shaped radiator is extruded.
Further, the material of described bottom end cover and upper end cover is ADC12 aluminium alloy, adopts extrusion process to make.
Further, described high-power LED light source module is high-power COB light source, and be filled with heat-conducting silicone grease between high-power LED light source module and reflector, COB light source operation is simple, cost is low, heat-conducting silicone grease then effectively can improve the heat conductivility between high-power LED light source module and reflector, promotes heat transmission.
Further, the material of described reflector is 6063 aluminium alloys, its reflecting surface adopts waffles, reflective surface in each grid is outwardly curved-surface structure, aluminum reflector integrates luminous intensity distribution and heat conductivility, its reflective surface make light spot illumination evenly, space color temperature distribution evenly, by installing with barrel-shaped radiator interference fit, the heat that light source produces can be conducted to barrel-shaped radiator lower end fast, avoid ordinary flat type heat-conducting plate because being reached in the middle part of heat-conducting plate by heat, and cause the reduction to barrel-shaped radiator stack effect strengthening convection current ability.
Further, described upper end cover is provided with the through hole for installing water joint and rhone, the delivery port of described rhone connects the air flow channel of barrel-shaped radiator, rainwater can be flowed away through air flow channel, the circuit part in protection barrel-shaped radiator.
Further, described upper end cover is fixed with the framework of stainless steel material by screw, described framework is provided with the installing hole for connecting ceiling, and the position of its corresponding water joint is provided with half round cut simultaneously, convenient at indoor location.
Further, described upper end cover is fixed with the support of stainless steel material by screw, installs and uses when being convenient to outdoor open-air atmosphere.
Compared with prior art, the present invention can make full use of the strengthening convection effect of chimney structure, the convection transfer rate of very big raising radiator and air contact surfaces, strengthen the heat dispersion of light fixture, there is good radiating effect, be applicable to be not more than the heat radiation of 120W high-power LED lamp, simultaneously, the waffles of reflector arrange make light spot illumination evenly, space color temperature distribution evenly.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of the embodiment of the present invention.
Fig. 2 is embodiment of the present invention schematic perspective view.
Fig. 3 is the another schematic perspective view of the embodiment of the present invention.
Fig. 4 is barrel-shaped radiator cross sectional representation.
Fig. 5 is reflector perspective view.
In figure: 1-bottom end cover; 2-glass transmission plate; 3-high-power LED light source; 4-reflector; 5-barrel-shaped radiator; 51-outer tube wall; 52-fin; The small-sized chimney structure of 53-; 54-inner tube wall; 55-screw hole; 6-direct current driving power supply; 7-upper end cover; 8-water joint; 9-framework; 10-support.
Detailed description of the invention
Be described in further detail goal of the invention of the present invention below in conjunction with the drawings and specific embodiments, embodiment can not repeat one by one at this, but therefore embodiments of the present invention are not defined in following examples.
As shown in Figures 1 to 4, a kind of stack effect enhance heat high-power LED tube light, comprise reflector 4, be arranged at the high-power LED light source module 3 bottom reflector 4, glass transmission plate 2, the direct current driving power supply 6 of external power source and high-power LED light source module 3 is connected by circuit, also comprise barrel-shaped radiator 5, be individually fixed in upper end cover 7 and the bottom end cover 1 of barrel-shaped radiator 5 upper and lower side, described barrel-shaped radiator 5 comprises cylindric outer tube wall 51, be arranged on the cylindric inner tube wall 52 in outer tube wall 51 coaxially, in cavity between described outer tube wall 51 and inner tube wall 52, barrel-shaped radiator 5 length direction is provided with multiple fin 52 described cavity isolation being become 20 air flow channels 53, the edge of described upper end cover 7 and bottom end cover 1 is provided with the grid in band space, described reflector 4 is fixed on the endoporus lower end of inner tube wall 52 by interference fit, reflector 4 outer wall limits its position in inner tube wall 52 by ladder rib, described glass transmission plate 2 is fixed on the lower surface of barrel-shaped radiator 5 by bottom end cover 1, described direct current driving power supply 6 is fixed on the lower surface of upper end cover 7.
In the present embodiment, the material of described barrel-shaped radiator 5 is 6063 aluminium alloys, and adopt extrusion process to make, its ductility, heat conductivility are good, easily process, and is convenient to implement extrusion process and follow-up machined.
In the present embodiment, the fin 52 of described barrel-shaped radiator 5 is provided with the screw hole 55 for fixing upper end cover 7 and bottom end cover 1, expediently end cap 7 and the installation between bottom end cover 1 and barrel-shaped radiator 5, this screw hole 55 can be shaping in the lump when barrel-shaped radiator 5 is extruded, the contact surface of upper end cover 7 and barrel-shaped radiator 5 closely cooperates, and can prevent the circuit part in water inflow inner tube wall 52.
In the present embodiment, the material of described bottom end cover 1 and upper end cover 7 is ADC12 aluminium alloy, adopts extrusion process to make.
In the present embodiment, described high-power LED light source module 3 is high-power COB light source, and be filled with heat-conducting silicone grease between high-power LED light source module 3 and reflector 4, COB light source operation is simple, cost is low, heat-conducting silicone grease then effectively can improve the heat conductivility between high-power LED light source module 3 and reflector 4, promotes heat transmission.
As shown in Figure 5, the material of the described reflector 4 of the present embodiment is 6063 aluminium alloys, its reflecting surface adopts waffles, reflective surface in each grid is outwardly curved-surface structure, aluminum reflector integrates luminous intensity distribution and heat conductivility, its reflective surface make light spot illumination evenly, space color temperature distribution evenly, by installing with barrel-shaped radiator interference fit, the heat that light source produces can be conducted to barrel-shaped radiator lower end fast, avoid ordinary flat type heat-conducting plate because reaching in the middle part of heat-conducting plate by heat, and cause the reduction to barrel-shaped radiator stack effect strengthening convection current ability.
In the present embodiment; described upper end cover 7 is provided with the through hole for installing water joint 9 and rhone; the delivery port of described rhone connects the air flow channel 53 of barrel-shaped radiator 5, rainwater can be flowed away through air flow channel 53, the circuit part in protection barrel-shaped radiator 5.
In the present embodiment, described upper end cover 7 is fixed with the framework 9 of stainless steel material by screw, described framework 9 is provided with the installing hole for connecting ceiling, and the position of its corresponding water joint 9 is provided with half round cut simultaneously, convenient at indoor location.
In the present embodiment, described upper end cover 7 is fixed with the support 10 of stainless steel material by screw, installs and uses when being convenient to outdoor open-air atmosphere.
The heat that the present embodiment is produced by high-power LED light source module 3 in the course of the work conducts to described barrel-shaped radiator 5 lower end through aluminum reflector 4, then the air in 20 air flow channels 53 of described barrel-shaped radiator 5 periphery is heated, hot-air rises along air flow channel 53 then, air flow channel 53 is discharged through the grid of upper end cover 7 with space, meanwhile, cool exterior air is constantly supplemented via the grid of bottom end cover 1 with space and is flowed in air flow channel 53, form chimney enhance heat effect, constantly the heat that high-power LED light source module 3 produces is taken away, greatly improve radiating efficiency, simultaneously, because upper end cover 7 and bottom end cover 1, grid, the setting of water joint and rhone, stop the present embodiment and in use occur laying dust, water inlet etc. affects the unfavorable factor of its thermal diffusivity and security, can simultaneously outdoor and indoor medium-term and long-term use in the open, improve the service life of product, reliability and stability and range of application.
Just the present invention can be realized preferably as mentioned above.
The above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.
Claims (9)
1. a stack effect enhance heat high-power LED tube light, comprise reflector (4), be arranged at the high-power LED light source module (3) of reflector (4) bottom, glass transmission plate (2), connected the direct current driving power supply (6) of external power source and high-power LED light source module (3) by circuit, it is characterized in that:
Also comprise barrel-shaped radiator (5), be individually fixed in upper end cover (7) and the bottom end cover (1) of barrel-shaped radiator (5) upper and lower side, described barrel-shaped radiator (5) comprises cylindric outer tube wall (51), be arranged on the cylindric inner tube wall (52) in outer tube wall (51) coaxially, in cavity between described outer tube wall (51) and inner tube wall (52), barrel-shaped radiator (5) length direction is provided with multiple fin (52) described cavity isolation being become some air flow channels (53), the edge of described upper end cover (7) and bottom end cover (1) is provided with the grid in band space, described reflector (4) is fixed on the endoporus lower end of inner tube wall (52), described glass transmission plate (2) is fixed on the lower surface of barrel-shaped radiator (5) by bottom end cover (1), described direct current driving power supply (6) is fixed on the lower surface of upper end cover (7).
2. stack effect enhance heat high-power LED tube light according to claim 1, is characterized in that: the material of described barrel-shaped radiator (5) is 6063 aluminium alloys, adopts extrusion process to make.
3. stack effect enhance heat high-power LED tube light according to claim 2, is characterized in that: the fin (52) of described barrel-shaped radiator (5) is provided with the screw hole (55) for fixing upper end cover (7) and bottom end cover (1).
4. stack effect enhance heat high-power LED tube light according to claim 1, is characterized in that: the material of described bottom end cover (1) and upper end cover (7) is ADC12 aluminium alloy, adopts extrusion process to make.
5. stack effect enhance heat high-power LED tube light according to claim 1, it is characterized in that: described high-power LED light source module (3) is high-power COB light source, and is filled with heat-conducting silicone grease between high-power LED light source module (3) and reflector (4).
6. the stack effect enhance heat high-power LED tube light according to any one of claim 1 to 5, it is characterized in that: the material of described reflector (4) is 6063 aluminium alloys, its reflecting surface adopts waffles, and the reflective surface in each grid is outwardly curved-surface structure.
7. stack effect enhance heat high-power LED tube light according to claim 6, it is characterized in that: described upper end cover (7) is provided with the through hole for installing water joint (9) and rhone, the delivery port of described rhone connects the air flow channel (53) of barrel-shaped radiator (5).
8. stack effect enhance heat high-power LED tube light according to claim 7, it is characterized in that: the framework (9) described upper end cover (7) being fixed with stainless steel material by screw, described framework (9) is provided with the installing hole for connecting ceiling, and the position of its corresponding water joint (9) is provided with half round cut simultaneously.
9. stack effect enhance heat high-power LED tube light according to claim 8, is characterized in that: the support (10) described upper end cover (7) being fixed with stainless steel material by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510026811.3A CN104565945A (en) | 2015-01-19 | 2015-01-19 | High-power LED down lamp with chimney effect reinforcing heat dissipation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510026811.3A CN104565945A (en) | 2015-01-19 | 2015-01-19 | High-power LED down lamp with chimney effect reinforcing heat dissipation function |
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| CN104565945A true CN104565945A (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510026811.3A Pending CN104565945A (en) | 2015-01-19 | 2015-01-19 | High-power LED down lamp with chimney effect reinforcing heat dissipation function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318233A (en) * | 2015-11-16 | 2016-02-10 | 马玉荣 | Down lamp for illumination in tunnel cavity |
| CN105371135A (en) * | 2015-11-23 | 2016-03-02 | 安徽恒利机电科技有限公司 | Production technique for LED mining lamp |
| CN106838847A (en) * | 2017-03-29 | 2017-06-13 | 桂林海威科技股份有限公司 | Cooling type LED outdoor water-proof illuminating lamp |
| CN112197226A (en) * | 2020-09-30 | 2021-01-08 | 浙江尚越新能源开发有限公司 | Flexible solar intelligent street lamp |
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| US20110057551A1 (en) * | 2009-09-09 | 2011-03-10 | Elements Performance Materials Limited | Heat dissipating device for lightings |
| CN202419375U (en) * | 2012-01-13 | 2012-09-05 | 浙江捷莱照明有限公司 | LED (light-emitting diode) spot lamp |
| CN202452185U (en) * | 2011-12-31 | 2012-09-26 | 四川新力光源有限公司 | Light emitting diode (LED) spotlight |
| CN202613149U (en) * | 2012-05-18 | 2012-12-19 | 深圳市拓享科技有限公司 | Light-emitting diode (LED) down lamp with chimney convection effect thermal dissipation structure |
| CN104100865A (en) * | 2014-07-10 | 2014-10-15 | 南京中电熊猫照明有限公司 | LED (light emitting diode) module |
| CN204005521U (en) * | 2014-06-27 | 2014-12-10 | 吴堃 | A kind of air duct radiation type LED track spotlight lamp body |
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2015
- 2015-01-19 CN CN201510026811.3A patent/CN104565945A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110057551A1 (en) * | 2009-09-09 | 2011-03-10 | Elements Performance Materials Limited | Heat dissipating device for lightings |
| CN202452185U (en) * | 2011-12-31 | 2012-09-26 | 四川新力光源有限公司 | Light emitting diode (LED) spotlight |
| CN202419375U (en) * | 2012-01-13 | 2012-09-05 | 浙江捷莱照明有限公司 | LED (light-emitting diode) spot lamp |
| CN202613149U (en) * | 2012-05-18 | 2012-12-19 | 深圳市拓享科技有限公司 | Light-emitting diode (LED) down lamp with chimney convection effect thermal dissipation structure |
| CN204005521U (en) * | 2014-06-27 | 2014-12-10 | 吴堃 | A kind of air duct radiation type LED track spotlight lamp body |
| CN104100865A (en) * | 2014-07-10 | 2014-10-15 | 南京中电熊猫照明有限公司 | LED (light emitting diode) module |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318233A (en) * | 2015-11-16 | 2016-02-10 | 马玉荣 | Down lamp for illumination in tunnel cavity |
| CN105371135A (en) * | 2015-11-23 | 2016-03-02 | 安徽恒利机电科技有限公司 | Production technique for LED mining lamp |
| CN106838847A (en) * | 2017-03-29 | 2017-06-13 | 桂林海威科技股份有限公司 | Cooling type LED outdoor water-proof illuminating lamp |
| CN112197226A (en) * | 2020-09-30 | 2021-01-08 | 浙江尚越新能源开发有限公司 | Flexible solar intelligent street lamp |
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Application publication date: 20150429 |