CN101696789A - Heat radiating structure of light emitting diode (LED) illuminating lamp - Google Patents
Heat radiating structure of light emitting diode (LED) illuminating lamp Download PDFInfo
- Publication number
- CN101696789A CN101696789A CN200910190695A CN200910190695A CN101696789A CN 101696789 A CN101696789 A CN 101696789A CN 200910190695 A CN200910190695 A CN 200910190695A CN 200910190695 A CN200910190695 A CN 200910190695A CN 101696789 A CN101696789 A CN 101696789A
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- metal
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- type bar
- emitting diode
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 104
- 239000002184 metal Substances 0.000 claims abstract description 104
- 229910052782 aluminium Inorganic materials 0.000 claims description 45
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 45
- 239000004411 aluminium Substances 0.000 claims description 38
- 229920003023 plastic Polymers 0.000 claims description 29
- 239000004033 plastic Substances 0.000 claims description 29
- 239000003292 glue Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 239000011049 pearl Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Led Device Packages (AREA)
Abstract
The invention relates to a heat radiating structure of a light emitting diode (LED) illuminating lamp, comprising a metal lamp bracket, two to tens of strip-shaped metal radiating fins and two to tens of lamp strip metal strips. The lamp strip metal strips used for installing an LED circuit board are arranged in parallel at certain intervals; head ends and tail ends of the lamp strip metal strips are fixed on the metal lamp bracket; the bottom surfaces of the lamp strip metal strips closely cling to the back surfaces of the metal radiating fins; the metal radiating fins are arranged at certain intervals and form a grid space structure together with the lamp strip metal strips; and both ends of the metal radiating fins are fixed on the metal lamp bracket. The invention enables a large amount of heat generated by an LED light source in operation to be transferred in time and rapidly in the modes of heat conduction and natural convection with high reliability, high heat transfer efficiency and heat radiating effect, thereby ensuring the operation of the LED lamp at the temperature of 55 DEG C and greatly prolonging the service life of an LED.
Description
Technical field
The present invention relates to a kind of radiator structure of light-emitting diode (LED) illuminating lamp.
Background technology
Under current global energy environment in short supply, energy savings has become trend of the times, and country also vigorously advocates energy-saving and emission-reduction simultaneously, and the LED lamp is energy-conservation with it, long-life, advantage such as environment friendly and pollution-free be widely used in illumination and the lamp decoration.In the light fixture production practices, for improving brightness, generally adopt the led array monolithic construction, but this class way causes easily the LED junction temperature to rise, when junction temperature surpassed its maximum allowable temperature, the fast and dead lamp phenomenon of lamp decay can appear in LED.This shows that heat dissipation problem has become one of bottleneck of restriction LED illumination application development.
Summary of the invention
The objective of the invention is to have the bad problem of radiating effect, a kind of radiator structure of light-emitting diode (LED) illuminating lamp of good heat dissipation effect is provided at existing light-emitting diode (LED) illuminating lamp.
The object of the present invention is achieved like this: the present invention includes metal lamp bracket, strip metal fin and be used to install the lamp strip metal type bar of LED circuitboard, described lamp strip metal type bar is two to tens of, be arranged in parallel with a determining deviation, the head end and the tail end of lamp strip metal type bar are fixed on the metal lamp bracket, the bottom surface of lamp strip metal type bar and the back side of metal fin are close to, metal fin is two to tens of, arrange with a determining deviation, form the mesh space structure with lamp strip metal type bar, the two ends of metal fin are fixed on the metal lamp bracket.
As preferred version, described lamp strip metal type bar is the grooved metal profile, and described LED circuitboard is installed in the groove of grooved metal profile.As better scheme, fill full heat-conducting glue in the junction of described lamp strip metal type bar and LED circuitboard.
As preferred version, every certain spaced flutedly communicate with its front, groove is corresponding to the interval of lamp strip metal type bar at the back side of described metal fin.
As preferred version, described metal lamp bracket is connected to form by hollow metal type bar, has vertical through hole on hollow metal type bar.
Technique effect of the present invention is: a large amount of heats that the present invention produces led light source at work can in time promptly pass in the mode of heat conduction and free convection, the reliability height, the heat transfer efficiency height, good heat dissipation effect, can guarantee that the LED lamp works under 55 ℃ of temperature, greatly prolong the service life of LED.
Description of drawings
Fig. 1 is the front three-dimensional structure diagram of embodiment.
Fig. 2, Fig. 3 are the stereogram of lamp strip metal type bar among the embodiment and the sectional view of amplification.
Fig. 4 is the stereogram of high light-passing plastic spare among the embodiment.
Fig. 5 is the stereogram of light-emitting diode light modulation bar among the embodiment.
Fig. 6, Fig. 7 are respectively the fixing fixing structure charts of plastic parts of plastic parts, lamp bar of interface among the embodiment.
Fig. 8 is the structure figure of embodiment.
Fig. 9 is the isometric front view of metal fin among the embodiment.
Figure 10 is the A enlarged drawing of Fig. 9.
Figure 11 is the rear isometric view of metal fin among the embodiment.
Figure 12 is the B enlarged drawing of Figure 11.
The specific embodiment
Referring to Fig. 1 to Fig. 8; present embodiment is the pin-connected panel led lamp that has adopted radiator structure of the present invention; it comprises metal lamp bracket 8; metal fin 17; interface is plastic parts 13 fixedly; the lamp bar is plastic parts 11 fixedly; interface protection plastic jacket 10 and several light-emitting diode light bar (being called for short " LED lamp bar "); metal lamp bracket 8 is a frame structure; hollow metal type bar by aluminium matter is that Aluminum Hollow type bar connects to form; on Aluminum Hollow type bar, have vertical through hole; interface fixedly plastic parts 13 and lamp bar fixedly plastic parts 11 be fixed on the two ends of metal lamp bracket 8 respectively with screw; fixedly be provided with lamp bar interface screens 15 on the plastic parts 13 at interface; in each lamp bar interface screens 15, be provided with copper sheet interface 14; the quantity of lamp bar interface screens 15 equates with the quantity of LED lamp bar; fixedly be provided with lamp bar screens 12 on the plastic parts 11 at the lamp bar; its quantity equates with the quantity of LED lamp bar; several light-emitting diode light bars with a determining deviation parallel equidistant side by side in metal lamp bracket 8; the head end of every light-emitting diode light bar and tail end are contained in interface fixedly the lamp bar interface screens 15 of plastic parts 13 and lamp bar fixedly in the lamp bar screens 12 of plastic parts 11 respectively; copper sheet interface 14 in the lamp bar power interface of light-emitting diode light bar and the screens of lamp bar interface 15 contact continuous; interface protection plastic jacket 10 is fixed on the fixedly top of plastic parts 13 of interface; fixedly have the screw position on the plastic parts 13 at interface, interface protection plastic jacket 10 and interface fixedly plastic parts 13 usefulness screws are fixed together.
Referring to Fig. 1 to Fig. 5, light-emitting diode light bar comprises aluminium base LED circuitboard 1 in the present embodiment, large-power light-emitting diodes lamp pearl 2, the lamp strip metal type bar of aluminium matter is a lamp bar aluminium type bar 3, high transmission rate working of plastics 6, head end plastic parts 9, tail end plastic parts 16, wherein aluminium base LED circuitboard 1 is bar shaped, lamp bar aluminium type bar 3 is a grooved aluminium type bar, several large-power light-emitting diodes lamp pearls 2 are installed on the aluminium base LED circuitboard 1, they are vertically arranged along aluminium base LED circuitboard 1, aluminium base LED circuitboard 1 is installed in the groove 4 of lamp bar aluminium type bar 3 and by Reflow Soldering and is fixed on the lamp bar aluminium type bar 3, edge at aluminium base light emitting diode wiring board 1 coats heat-conducting glue, heat-conducting glue fully is covered with in the junction of lamp bar aluminium type bar 3 with LED circuitboard 1, high transmission rate working of plastics 6 covers on outside the aluminium base light emitting diode wiring board 1, the both sides buckle 7 of high transmission rate working of plastics 6 need be stuck in during connection in the screens 5 on the lamp bar aluminium type bar 3 both sides outer walls, thereby high transmission rate working of plastics 6 is fixedly secured on lamp bar aluminium type bar 3, its outer glue sealing that adopts, on lamp bar aluminium type bar 3, be provided with the screw position, head end plastic parts 9 and tail end plastic parts 16 link together by screw with the head end and the rear of lamp bar aluminium type bar 3 respectively, in tail end plastic parts 16, be fixed with lamp bar power interface, lamp bar power interface and aluminium base light emitting diode wiring board 1 are connected by lead, and lamp bar aluminium type bar 3 is fixed on the metal lamp bracket 8 by head end plastic parts 9 and tail end plastic parts 16.
Referring to Fig. 8 to Figure 11, present embodiment is arranged with several metal fins 17 in the behind of lamp bar aluminium type bar 3, metal fin 17 is a strip, its two ends are welded on the inboard of metal lamp bracket 8 and fix with screw, in the present embodiment metal fin 17 is installed in the metal lamp bracket 8 perpendicular to the direction of lamp bar aluminium type bar 3 and with determining deviation equidistant parallel arrangement, metal fin 17 constitutes network with lamp bar aluminium type bar 3 in metal lamp bracket 8, metal fin 17 at the back side of metal fin 17 every certain spaced fluted 18, groove 18 communicates with the front of metal fin 17, the width of groove 18 equates with the spacing of light-emitting diode light bar, the bottom surface of smooth place, the back side of metal fin 17 and lamp bar aluminium type bar 3 is close to when mounted, its groove 18 is corresponding to the interval of lamp bar aluminium type bar 3, thereby is exposed in the outside air.
Metal lamp bracket in the foregoing description is an aluminium matter lamp bracket, and metal fin is an aluminium heat sink, and lamp strip metal type bar is a lamp bar aluminium type bar, and they can also adopt other metal to make certainly.
Referring to Fig. 1 to Figure 11, radiator structure among the embodiment comprises lamp bar aluminium type bar 3, metal lamp bracket 8 and metal fin 17, they not only play the function that the LED light emitting diode is installed, possessed good heat sinking function simultaneously: metal lamp bracket 8 is frame structure, light-emitting diode light bar that the back is closely pressed close to and metal fin 17 are network structure, and metal fin 17 has groove 18 at the interval of light-emitting diode light bar, like this, just in network structure, leave very big space, help the cross-ventilation heat radiation; Metal fin 17 back sides are pressed on the lamp bar aluminium type bar 3 and its two ends are welded on the inboard of metal lamp bracket 8, area of dissipation that it is bigger and rational the layout make a part of heat to pass in metal lamp bracket 8 and air in heat conducting mode by metal fin 17 rapidly; Metal lamp bracket 8 is made up of hollow aluminum type bar, and on its hollow inwall, have a lot of grooves to increase area of dissipation, on hollow aluminum type bar, also have vertical through hole, be beneficial to the inner air convection current, in hollow aluminum type bar hollow, also can be added with aluminium type bar at the interface of adjacent hollow aluminium type bar, make the contact-making surface between hollow aluminum type bar bigger, thereby help improving capacity of heat transmission; The heat that said structure produces the great power LED light emitting diode fully conducts to lamp bar aluminium type bar 3 via aluminium base light emitting diode wiring board 1, conduct to metal fin 17 and whole metal lamp bracket 8 again, area of dissipation is big, promoted the Natural Heat Convection ability simultaneously, accelerated radiating rate, heat can be conducted rapidly in a large number, effectively reduced heat radiation between the LED lamp, reduced junction temperature significantly, radiating effect is splendid, the operating temperature that can guarantee great power LED remains in 55 ℃, improve the service life of LED greatly, reduced the decay of LED, avoided the generation of dead lamp phenomenon, simultaneously, this device has effectively alleviated the weight of light fixture owing to be extensive use of the hollow aluminum section bar, has reduced the die sinking expense, its many-sided advantage guarantees that it will be widely used in illumination and lamp decoration aspects such as street lamp, Tunnel Lamp.
Lamp strip metal type bar is generally two to tens of among the present invention, and metal fin is generally two to tens of.
Claims (9)
1. the radiator structure of a light-emitting diode (LED) illuminating lamp, it is characterized in that: comprise the metal lamp bracket, strip metal fin and the lamp strip metal type bar that is used to install LED circuitboard, described lamp strip metal type bar is two to tens of, be arranged in parallel with a determining deviation, the head end and the tail end of lamp strip metal type bar are fixed on the metal lamp bracket, the bottom surface of lamp strip metal type bar and the back side of metal fin are close to, metal fin is two to tens of, arrange with a determining deviation, form the mesh space structure with lamp strip metal type bar, the two ends of metal fin are fixed on the metal lamp bracket.
2. the radiator structure of light-emitting diode (LED) illuminating lamp according to claim 1, it is characterized in that: described lamp strip metal type bar is the grooved metal profile, and described LED circuitboard is installed in the groove of grooved metal profile.
3. the radiator structure of light-emitting diode (LED) illuminating lamp according to claim 2 is characterized in that: fill full heat-conducting glue in the junction of described lamp strip metal type bar and LED circuitboard.
4. according to the radiator structure of claim 1 or 2 or 3 described light-emitting diode (LED) illuminating lamps, it is characterized in that: described lamp strip metal type bar is fixed on the metal lamp bracket by head end and tail end plastic parts.
5. according to the radiator structure of claim 1 or 2 or 3 described light-emitting diode (LED) illuminating lamps, it is characterized in that: described lamp strip metal type bar is arranged with a determining deviation equidistant parallel, described metal fin is arranged with a determining deviation equidistant parallel, and lamp strip metal type bar is vertical mutually with metal fin.
6. according to the radiator structure of claim 1 or 2 or 3 described light-emitting diode (LED) illuminating lamps, it is characterized in that: every certain spaced flutedly communicate with its front, groove is corresponding to the interval of lamp strip metal type bar at the back side of described metal fin.
7. according to the radiator structure of claim 1 or 2 or 3 described light-emitting diode (LED) illuminating lamps, it is characterized in that: described metal lamp bracket is connected to form by hollow metal type bar, has vertical through hole on hollow metal type bar.
8. the radiator structure of light-emitting diode (LED) illuminating lamp according to claim 7 is characterized in that: have groove on the hollow inwall of described hollow metal type bar.
9. according to the radiator structure of claim 1 or 2 or 3 described light-emitting diode (LED) illuminating lamps, it is characterized in that: described metal lamp bracket is an aluminium matter lamp bracket, and described metal fin is an aluminium heat sink, and described lamp strip metal type bar is a lamp bar aluminium type bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910190695A CN101696789A (en) | 2009-09-30 | 2009-09-30 | Heat radiating structure of light emitting diode (LED) illuminating lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910190695A CN101696789A (en) | 2009-09-30 | 2009-09-30 | Heat radiating structure of light emitting diode (LED) illuminating lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101696789A true CN101696789A (en) | 2010-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910190695A Pending CN101696789A (en) | 2009-09-30 | 2009-09-30 | Heat radiating structure of light emitting diode (LED) illuminating lamp |
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| Country | Link |
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| CN (1) | CN101696789A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012010A (en) * | 2010-09-15 | 2011-04-13 | 惠州志能达光电科技有限公司 | LED lamp heat radiating structure |
| WO2014040314A1 (en) * | 2012-09-12 | 2014-03-20 | 深圳市华星光电技术有限公司 | Backlight heat-dissipating structure and liquid crystal module |
| CN106568032A (en) * | 2016-10-31 | 2017-04-19 | 江苏金米智能科技有限责任公司 | Brightness adjustment method of tunnel lamp |
-
2009
- 2009-09-30 CN CN200910190695A patent/CN101696789A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012010A (en) * | 2010-09-15 | 2011-04-13 | 惠州志能达光电科技有限公司 | LED lamp heat radiating structure |
| WO2014040314A1 (en) * | 2012-09-12 | 2014-03-20 | 深圳市华星光电技术有限公司 | Backlight heat-dissipating structure and liquid crystal module |
| CN106568032A (en) * | 2016-10-31 | 2017-04-19 | 江苏金米智能科技有限责任公司 | Brightness adjustment method of tunnel lamp |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: LI TINGSHUAI Free format text: FORMER OWNER: SHENZHEN HONGSEN OPTOELECTRONICS CO.,LTD. Effective date: 20100521 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518126 6/F, BUILDING 9, DONGFANGJIANFUYUSHENG INDUSTRIAL PARK, GUSHU, XIXIANG, BAOAN, SHENZHEN CITY, GUANGDONG PROVINCE TO: 518000 6/F, BUILDING 9, DONGFANGJIANFUYUSHENG INDUSTRIAL PARK, GUSHUDAMEN, XIXIANG, BAOAN, SHENZHEN CITY, GUANGDONG PROVINCE |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20100521 Address after: 518000 Guangdong city of Shenzhen province Baoan east gate of Xixiang Shu Jian Fu Yu Sheng Industrial Park 9 Building 6 floor Applicant after: Li Tingshuai Address before: 518126 Guangdong city of Shenzhen province Baoan Xixiang Shu Jian Fu Yu Sheng East Industrial Park 9 Building 6 floor Applicant before: Shenzhen Hongsen Led Manufacturing Co., Ltd. |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100421 |