CN101839412A - High-power LED illuminator cooled by finned tubular radiator - Google Patents

High-power LED illuminator cooled by finned tubular radiator Download PDF

Info

Publication number
CN101839412A
CN101839412A CN201010178245A CN201010178245A CN101839412A CN 101839412 A CN101839412 A CN 101839412A CN 201010178245 A CN201010178245 A CN 201010178245A CN 201010178245 A CN201010178245 A CN 201010178245A CN 101839412 A CN101839412 A CN 101839412A
Authority
CN
China
Prior art keywords
radiating fin
power led
cooled
tubular radiator
led illuminator
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
Application number
CN201010178245A
Other languages
Chinese (zh)
Inventor
叶利苗
Original Assignee
叶利苗
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 叶利苗 filed Critical 叶利苗
Priority to CN201010178245A priority Critical patent/CN101839412A/en
Publication of CN101839412A publication Critical patent/CN101839412A/en
Pending legal-status Critical Current

Links

Abstract

The invention relates to a high-power LED illuminator cooled by a finned tubular radiator. Upper and lower end plates are respectively fixed on upper and lower ends of a cooling fin which is installed in an outer casing and penetrates through a U-shaped tube; a cooling fan is installed on an air duct assembly and assembled on the surface of the cooling fin; the lower end of the U-shaped tube is connected by a Y-shaped tee tube fitting to a special tube and a heat absorption box which is connected with an LED lamp wafer. The invention can speed up the heat conduction from the hot end of the LED lamp wafer to the surface of the cooling fan; the air duct can enhance the intensity of convection of the cooling fin to the air during the working of the cooling fan; the cooling fan can increase the convention velocity with the air, the U-shaped tube and the cooling fin can expand cooling area, thereby enhancing intensity of heat dissipation in the hot end of the LED lamp wafer, solving the problem of optical attenuation of the high-power LED, improving the conversion between optical energy and heat energy of the high-power LED and prolonging service life thereof.

Description

The high-power LED illuminator of cooled by finned tubular radiator
Technical field
The present invention relates to the LED lighting apparatus, be specifically related to a kind of high-power LED illuminator of cooled by finned tubular radiator.Belong to International Classification of Patents F21 technical field.
Background technology
Because LED lamp illumination work when operation, direct current by LED lamp wafer produce junction temperature Tj (℃), the big more then light decay of junction temperature is serious more, causes influencing the LED luminescent properties, the life-span.Press LED heat radiation formula:
Tj(℃)=Ric×VF×IF+Tc
RBA(℃/W)=(Tc-Ta)÷(VF×IF)
RJA=RJC+RBA
As shown from the above formula, improve the LED lamp life-span, reduce light decay, remove the electric current and voltage of selecting coupling, lower the RJA coefficient relatively, outside the RBA coefficient, main is to promote heat radiation conduction pattern and the speed of improving Tc, hot-side temperature is comparatively fast reduced, reduce temperature and hoard, could improve luminous benefit and stability.At present, the LED lighting generally adopts the aluminium section heat radiation on the market, heat dispersion difference and consumptive material, and volume weighs greatly, only is fit to be applied on many group low-power LEDs.As everyone knows, as use ratio on great power LED, the application on the low-power LED is more energy-conservation, and light efficiency is higher, low cost of manufacture, and application surface is more extensive.And this type of heat abstractor of relative heat radiation material of aluminium alloy preferably of the heat dispersion of major company's development abroad and domestic employing heat pipe heat radiation has all been considered the function of quick conduction emphatically, and has ignored structure, shape and and the cross-ventilated speed of radiating surface.Really make radiating effect reach better factor, one must rely on quick conduction, and it two must improve and enlarge radiating surface and cross-ventilation speed is finished.
Summary of the invention
Purpose of the present invention is to provide a kind of volume little, in light weight, the pipe wing radiator high-power LED illuminator of the high efficiency heat exchange heat radiation that cost is low.
The objective of the invention is to be achieved through the following technical solutions.
A kind of high-power LED illuminator of cooled by finned tubular radiator, comprise outer casing, be installed on the constant-current supply of outer casing inwall, and cooling fan, air channel and radiating fin, the radiating fin of circular hole is housed in outer casing, the upper/lower terminal of radiating fin is fixed with upper head plate and bottom plate respectively, radiating fin is on the U-shaped pipe, cooling fan is installed on the assembly in air channel and is assemblied in the surface of radiating fin, the lower end of U-shaped pipe is connected special pipe, is communicated to endothermic box by breeches pipe spare, and the brilliant substrate of LED lamp is connected with endothermic box.
Endothermic box is the square vessel of hollow out in the flat chamber; The vacuum feed tube is arranged on the endothermic box.The radiating fin surface has bridge sheet slotted eye window, and evenly distributes.Cooling fan is two balls or brushless bearing blower fan.
The present invention has strengthened the heat in the brilliant substrate of LED lamp hot junction is conducted fast, reaches to the radiating fin surface; Radiating fin and cross-ventilated intensity when cooling fan work has been strengthened in the air channel.Cooling fan has strengthened the convection velocity with air, U-shaped pipe and radiating fin can be expanded area of dissipation, thereby have more obviously improved the hot-side heat dissipation intensity of the brilliant substrate of LED lamp, have solved great power LED light decay problem, improve great power LED luminous energy and heat energy conversion, prolonged its service life.
Description of drawings
Fig. 1 is a sectional structure schematic diagram of the present invention;
Fig. 2 is the profile schematic diagram of one embodiment of the present invention.
Among the figure: 1, cooling fan, 2, the air channel, 3, the brilliant substrate of LED lamp, 4, radiating fin, 5, the U-shaped pipe, 6, special pipe, 7, breeches pipe spare, 8, endothermic box, 9, upper head plate, 10, bottom plate, 11, the vacuum feed tube, 12, constant-current supply, 13, outer casing.
The specific embodiment
Referring to Fig. 1, the high-power LED illuminator of cooled by finned tubular radiator, constant-current supply 12 is housed in outer casing 13, and the radiating fin 4 of cooling fan 1, the air channel 2 that is connected with blower fan and circular hole, radiating fin 4 upper/lower terminals are fixed with upper head plate 9 and bottom plate 10 respectively, radiating fin 4 is on U-shaped pipe 5, and cooling fan 1 is installed on the assembly in air channel 2 and is assemblied in the surface of radiating fin 4; U-shaped pipe 5 lower ends are connected special pipe 6, are communicated to endothermic box 8 by breeches pipe spare 7, and the brilliant substrate 3 of LED lamp is connected with endothermic box 8.This endothermic box 8 is the square vessel of hollow out in the flat chamber; Vacuum feed tube 11 is arranged on the endothermic box 8.Have bridge sheet slotted eye window on radiating fin 4 surfaces, and evenly distribute.Cooling fan adopts two balls or brushless bearing blower fan.
Endothermic box 8 is a fine finishining light face with the contact-making surface of the brilliant substrate 3 of LED lamp, and digital control processing has the brilliant substrate installing hole of LED lamp on fine finishining light face, and the material of endothermic box adopts standard copper or industrial aluminum.Radiating fin 4 is a clear water film aluminum slice, and to improve heat-transfer rate, its surface has bridge sheet slotted eye window and evenly distributes its diameter of bore and the consistent assembling of the diameter of U-shaped pipe; Also can adopt striped sheet or smooth tablets aluminium thin, combined with it U-shaped pipe 5 can adopt the copper pipe or the aluminum pipe of internal thread or interior dentation and light pipe; Radiating fin 4 can need according to area of dissipation with the combination of U-shaped pipe, connects by breeches pipe spare 7, presses the compound assembling of multiple by single row at the most.
Inner chamber is made for metal or engineering plastics in air channel 2, and the surface has inlet and outlet, and the work of air feed machine the time is taken out ventilative, the approximate sealing installation in side around another opening surface and the radiating fin, and blower fan can force to detach radiating fin window surface temperature during work.
Cooling fan 1 is connected with air-duct apparatus, realization is ventilative to taking out of radiating fin 4, constant-current supply 12 and the brilliant substrate 3 of LED lamp, cooling fan 1 conducting, U-shaped pipe 5 runs through radiating fin 4, upper head plate 9, bottom plate 10, and combine closely, be connected with breeches pipe spare 7, special pipe 6, endothermic box 8 again, and vacuum feed tube 11 is installed, again with the outer casing 13 integral reinforcings assembling that has dirt filtrating screen.Outer casing 13 two sides have the inlet and outlet design, and dirt filtrating screen is equipped with at its air inlet place, and outer casing top and inlet and outlet can be the umbrella shape setting and satisfy the shape setting that varying environment is used.
When the luminous work of LED lamp, the brilliant substrate 3 end face temperature of LED lamp conduct to endothermic box 8 with heat, and the working material that is heated in endothermic box 8 chambeies (it has quick conductibility) is axis through special pipe 6, breeches pipe spare 7, U-shaped pipe 5 and rises.In uphill process, heat is conducted to the fin slotted eye window of the good radiating fin of heat conductivility 4 upper surfaces, the small part heat is dissipated by the natural air convection current, and very most of heat detaches heat radiation by the ventilation of cooling fan 1, takes heat to space environment.Realized quick powerful heat radiation to the brilliant substrate 3 hot junction faces of LED lamp, thus the light efficiency and the service life of having improved the LED lamp.When experiment showed, the LED lamp work that is applied to single group 50W, the substrate observed temperature is 39 ℃, and the upper end temperature of radiating fin 4 is 37 °, has promoted the intensity of illumination of LED lamp, efficiently solves light decay, has prolonged its service life.
The frame mode of Fig. 1 is suitable for Projecting Lamp, light-irradiating lamp, Tunnel Lamp, the illumination of street lamp etc.Fig. 2 is an another embodiment of the invention, is fit to be applied to Lawn lamp, Landscape Lamp, wall lamp, stage lighting, the illumination of pendent lamp etc.

Claims (8)

1. the high-power LED illuminator of a cooled by finned tubular radiator, comprise outer casing (13), be installed on the constant-current supply (12) of outer casing (13) inwall, and cooling fan (1), air channel (2) and radiating fin (4), it is characterized in that: be the radiating fin (4) that circular hole is housed in outer casing (13), on the radiating fin (4), following two ends are fixed with upper head plate (9) and bottom plate (10) respectively, radiating fin (4) is on U-shaped pipe (5), cooling fan (1) is installed on the assembly of air channel (2) and is assemblied in the surface of radiating fin (4), the lower end of U-shaped pipe (5) connects special pipe (6) by breeches pipe spare (7), be communicated to endothermic box (8), the brilliant substrate of LED lamp (3) is connected with endothermic box (8), and vacuum feed tube (11) is arranged on the endothermic box (8).
2. the high-power LED illuminator of cooled by finned tubular radiator according to claim 1 is characterized in that: described endothermic box (8) is the square vessel of hollow out in the flat chamber.
3. the high-power LED illuminator of cooled by finned tubular radiator according to claim 1 is characterized in that: have bridge sheet slotted eye window on the surface of radiating fin (4), and evenly distribute.
4. the high-power LED illuminator of cooled by finned tubular radiator according to claim 1 is characterized in that: described cooling fan (1) is two balls or brushless bearing blower fan.
5. the high-power LED illuminator of cooled by finned tubular radiator according to claim 1, it is characterized in that: described endothermic box (8) is a fine finishining light face with the contact-making surface of the brilliant substrate of LED lamp (3), digital control processing has the brilliant substrate installing hole of LED lamp on fine finishining light face, and the material of endothermic box adopts standard copper or industrial aluminum.
6. the high-power LED illuminator of cooled by finned tubular radiator according to claim 1, it is characterized in that: described radiating fin (4), be clear water film aluminum slice, to improve heat-transfer rate, its surface has bridge sheet slotted eye window and evenly distributes its diameter of bore and the consistent assembling of the diameter of U-shaped pipe; Also can adopt striped sheet or smooth tablets aluminium thin, combined with it U-shaped pipe (5) can adopt the copper pipe or the aluminum pipe of internal thread or interior dentation and light pipe; Radiating fin (4) can need according to area of dissipation with the combination of U-shaped pipe, connects by breeches pipe spare (7), presses the compound assembling of multiple by single row at the most.
7. the high-power LED illuminator of cooled by finned tubular radiator according to claim 1, it is characterized in that: described air channel (2) make inner chamber for metal or engineering plastics, the surface has inlet and outlet, take out ventilative during the work of air feed machine, the approximate sealing in side is installed around another opening surface and the radiating fin, and blower fan can force to detach radiating fin window surface temperature during work.
8. the high-power LED illuminator of cooled by finned tubular radiator according to claim 1, it is characterized in that: described outer casing (13) two sides has the inlet and outlet design, dirt filtrating screen is equipped with at its air inlet place, and outer casing top and inlet and outlet can be the umbrella shape setting and satisfy the shape setting that varying environment is used.
CN201010178245A 2010-05-21 2010-05-21 High-power LED illuminator cooled by finned tubular radiator Pending CN101839412A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010178245A CN101839412A (en) 2010-05-21 2010-05-21 High-power LED illuminator cooled by finned tubular radiator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010178245A CN101839412A (en) 2010-05-21 2010-05-21 High-power LED illuminator cooled by finned tubular radiator

Publications (1)

Publication Number Publication Date
CN101839412A true CN101839412A (en) 2010-09-22

Family

ID=42742972

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201010178245A Pending CN101839412A (en) 2010-05-21 2010-05-21 High-power LED illuminator cooled by finned tubular radiator

Country Status (1)

Country Link
CN (1) CN101839412A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103355997A (en) * 2013-08-05 2013-10-23 海信容声(广东)冷柜有限公司 Display cabinet with back condenser
CN105280069A (en) * 2015-10-21 2016-01-27 黄守瑜 Novel educational device
CN105303946A (en) * 2015-10-21 2016-02-03 黄守瑜 Medical education equipment
CN105303947A (en) * 2015-10-21 2016-02-03 黄守瑜 Teaching equipment
CN111102496A (en) * 2019-12-31 2020-05-05 广州名至照明发展有限公司 Novel LED wall lamp

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201141577Y (en) * 2007-11-22 2008-10-29 奇鋐科技股份有限公司 Cooling structure of LED
CN101478868A (en) * 2009-01-23 2009-07-08 北京奇宏科技研发中心有限公司 Heat radiating device and manufacturing process thereof
CN101532646A (en) * 2008-03-14 2009-09-16 富准精密工业(深圳)有限公司 Illuminating apparatus and light source engine thereof
CN201475747U (en) * 2009-09-03 2010-05-19 上海复煊光电技术有限公司 High-power LED lighting lamp with radiating structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201141577Y (en) * 2007-11-22 2008-10-29 奇鋐科技股份有限公司 Cooling structure of LED
CN101532646A (en) * 2008-03-14 2009-09-16 富准精密工业(深圳)有限公司 Illuminating apparatus and light source engine thereof
CN101478868A (en) * 2009-01-23 2009-07-08 北京奇宏科技研发中心有限公司 Heat radiating device and manufacturing process thereof
CN201475747U (en) * 2009-09-03 2010-05-19 上海复煊光电技术有限公司 High-power LED lighting lamp with radiating structure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103355997A (en) * 2013-08-05 2013-10-23 海信容声(广东)冷柜有限公司 Display cabinet with back condenser
CN103355997B (en) * 2013-08-05 2016-12-28 海信容声(广东)冷柜有限公司 A kind of showcase with back condenser
CN105280069A (en) * 2015-10-21 2016-01-27 黄守瑜 Novel educational device
CN105303946A (en) * 2015-10-21 2016-02-03 黄守瑜 Medical education equipment
CN105303947A (en) * 2015-10-21 2016-02-03 黄守瑜 Teaching equipment
CN111102496A (en) * 2019-12-31 2020-05-05 广州名至照明发展有限公司 Novel LED wall lamp

Similar Documents

Publication Publication Date Title
CN101839412A (en) High-power LED illuminator cooled by finned tubular radiator
CN104235690A (en) LED (light-emitting diode) street lamp
CN201289055Y (en) High power LED lamp heat radiator
CN102767712A (en) LED (Light-Emitting Diode) lamp with ducted convection radiating channel
CN202327766U (en) Chimney type heat-radiating LED (Light-emitting Diode) illumination lamp
CN101922659A (en) Large-power LED tunnel light with hedgehog type heat pipe group radiator
CN201983047U (en) High-power LED (light-emitting diode) illuminator radiating heat through tubular fin heat radiator
CN2937826Y (en) Semiconduction cooling device for high power LED lamp
CN202303087U (en) Light-emitting diode (LED) ceiling lamp
CN201731360U (en) Novel LED street lamp with low cost, high efficiency heat dissipation and big power
CN103062736A (en) High-power LED streetlamp cooling method and LED streetlamp cooled by same
CN105003868A (en) LED streetlamp module
CN207500923U (en) A kind of environment-friendly type diode
CN205678641U (en) A kind of LED chiller with stack effect
CN202835281U (en) Radiator for light-emitting diode (LED) bulb lamp
CN206449513U (en) A kind of stage computer head moving lamp radiator
CN201599767U (en) LED down lamp utilizing water-cooled radiating
CN201443694U (en) Radiating LED illuminating lamp of loop type heat-pipe radiator
CN203615299U (en) Air-cooled radiator of LED lamp
CN102937280A (en) Louvered copper aluminum composite phase change high-power radiator
CN203215630U (en) Heat radiating structure of streetlamp
CN201852233U (en) Ceiling fan
CN210861023U (en) LED lamp radiator
CN202791912U (en) Heat dissipation device applied to light-emitting diode (LED) lamp
CN102087017B (en) Radiator and radiating method implemented by same

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: 20100922