CN202972824U - 一种易散热大功率led路灯 - Google Patents
一种易散热大功率led路灯 Download PDFInfo
- Publication number
- CN202972824U CN202972824U CN2012207272624U CN201220727262U CN202972824U CN 202972824 U CN202972824 U CN 202972824U CN 2012207272624 U CN2012207272624 U CN 2012207272624U CN 201220727262 U CN201220727262 U CN 201220727262U CN 202972824 U CN202972824 U CN 202972824U
- Authority
- CN
- China
- Prior art keywords
- heat radiation
- street lamp
- absorber plate
- cover
- heat
- 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.)
- Expired - Fee Related
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- 230000017525 heat dissipation Effects 0.000 title abstract 8
- 239000006096 absorbing agent Substances 0.000 claims abstract description 28
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound 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[Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000004411 aluminium Substances 0.000 claims description 6
- 210000001736 Capillaries Anatomy 0.000 claims description 5
- 230000036536 Cave Effects 0.000 claims description 3
- 235000019994 cava Nutrition 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 3
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
Abstract
本实用新型公片开了一种易散热大功率LED路灯，包括灯臂、顶盖、散热边框、吸热板、透光罩、LED芯和反光罩，所述灯臂与顶盖连接，顶盖为缓坡金字塔型，顶盖内侧安装有驱动电路，顶盖与散热边框扣合，散热边框顶部设有防水槽，散热边框内设有吸热板，散热边框底部设有透光罩，吸热板底部通过铝基板安装有LED芯片，LED芯片在吸热板上呈均匀分布，LED芯片顶部与驱动电路连接，吸热板底部还安装有与LED芯片数目相同的反光罩，LED芯片位于反光罩内侧。本实用新型结构简单，生产成本低，易于维护，光效高，是一种优质的易散热大功率LED路灯。
Description
一种易散热大功率LED路灯
技术领域
[0001] 本实用新型涉及一种路灯，尤其是一种易散热大功率LED路灯。
背景技术
[0002] LED灯由于其节能、环保、寿命长等优点而成为继白炽灯、荧光灯等灯具后的第三代照明光源。大功率LED灯的功率和亮度更高，在汽车灯、路灯等领域较为适用，就大功率LED路灯而言，现有产品中授权公告号为CN201547609U的专利提供了一种大功率LED路灯，包括透光罩、电路室盖板、灯体、灯杆、底座，其中灯体包括光源室、电器室和金属散热片，光源室内设有多条LED模块，电器室内设有驱动电路，灯杆与金属散热片相连，该实用新型通过金属传导或者液体传导将LED产生的热量传递到灯杆上，提高了散热效率，且结构简单，制造成本低，但其在维护性能和光效等方面还有不足之处，限制了其进一步地推广应用。
发明内容
[0003] 针对现有技术的不足，本实用新型提供一种生产成本低、易于维护、光效高的易散热大功率LED路灯。
[0004] 本实用新型的技术方案为:一种易散热大功率LED路灯，包括灯臂、顶盖、散热边框、吸热板、透光罩、LED芯片和反光罩，所述灯臂与顶盖连接，顶盖为缓坡金字塔型，顶盖内侧安装有驱动电路，顶盖与散热边框扣合，散热边框顶部设有防水槽，散热边框内设有吸热板，散热边框底部设有透光罩，吸热板底部通过铝基板安装有LED芯片，LED芯片在吸热板上呈均匀分布，LED芯片顶部与驱动电路连接，吸热板底部还安装有与LED芯片数目相同的反光罩，LED芯片位于反光罩内侧。
[0005] 所述散热边框外侧设有多个鳍片。
[0006] 优选地，所述防水槽向内凹陷。
[0007] 所述LED芯片数目为1-8个。
[0008] 本实用新型的有益效果为:
[0009] 1.将LED芯片均匀的安装于散热边框内部的吸热板底部，这种新颖的设计既能使LED芯片发光时产生的热量快速通过吸热板进行水平方向的热量传递，也能使热量沿垂直方向直接散发至上下两层空间中，同时外侧的散热边框和顶盖裸露于空气中，散热面积大，且顶盖设计成缓坡金字塔型，有利于空气流动，因此LED路灯能够进行高效的散热，同时也延长了使用寿命；
[0010] 2.顶盖的金字塔型设计能防止杂物堆积，散热边框顶部的凹槽则能排除积水，顶盖可直接打开以对内部的驱动电路进行维护，而打开散热边框底部的透光罩则能对LED芯片进行更换或修理，各个构件的配套设计使LED路灯外形美观，易于维护，生产成本低，同时大功率的LED芯片发光时，通过反光罩和透光罩的作用，能使LED路灯光照范围广，均匀度好，光效高。附图说明
[0011] 图1为本实用新型所述的易散热大功率LED路灯的主视图。
[0012] 图2为本实用新型所述的易散热大功率LED路灯的仰视图。
[0013] 图中，1-灯臂，2-顶盖，3-散热边框，4-反光罩，5-铝基板，6-LED芯片，7_透光罩，8-吸热板，9-驱动电路，31-防水槽，32-鳍片。
具体实施方式
[0014] 下面结合附图对本实用新型的具体实施方式作进一步说明:
[0015] 如图1和图2所示，一种易散热大功率LED路灯，包括灯臂1、顶盖2、散热边框3、吸热板8、透光罩7、LED芯片6和反光罩4，灯臂I与顶盖2连接，顶盖2为缓坡金字塔型，能防止灰尘、树叶、积雪等杂物沉积，顶盖2内侧安装有驱动电路9，顶盖2与铝制的散热边框3相扣合，散热边框3呈矩形，外侧设有鳍片32，散热边框3顶部设有向内凹陷的防水槽31，用于排除积水，散热边框3内设有一层吸热板8，吸热板8为铝板，散热边框3底部设有透光罩7，吸热板8呈矩形，吸热板8底部通过导热硅胶和铝基板5安装有LED芯片6，在本实施例中，吸热板8底部均匀分布着4个LED芯片6，每个LED芯片6顶部均与顶盖2内的驱动电路9连接，吸热板8底部还安装有与LED芯片6数目相同的反光罩4，且LED芯片6位于反光罩4内侧。
[0016] 具体实施时，通过启动驱动电路9使大功率LED芯片6发光，LED芯片6发光所产生的热量经铝基板5和吸热板8向散热边框3传递，散热边框3的外侧设有多个鳍片32，扩大了散热面积，同时吸热板8的上下两层空间均可散热，从而提高了散热效果，并有利于延长LED路灯的使用寿命，另外，LED芯片6、吸热板8、散热边框3和顶盖2等构件的配套设计则使LED路灯上下均可打开，易于维护，且生产成本低，而在反光罩4和透光罩7的作用下，大功率的LED芯片6所发出的光能对道路进行均匀和高效地照明。因此，本实用新型结构简单，生产成本低，易于维护，光效高，是一种优质的易散热大功率LED路灯。
Claims (4)
1.一种易散热大功率LED路灯，包括灯臂、顶盖、散热边框、吸热板、透光罩、LED芯片和反光罩，其特征在于:所述灯臂与顶盖连接，顶盖为缓坡金字塔型，顶盖内侧安装有驱动电路，顶盖与散热边框扣合，散热边框顶部设有防水槽，散热边框内设有吸热板，散热边框底部设有透光罩，吸热板底部通过铝基板安装有LED芯片，LED芯片在吸热板上呈均匀分布，LED芯片顶部与驱动电路连接，吸热板底部还安装有与LED芯片数目相同的反光罩，LED芯片位于反光罩内侧。
2.根据权利要求1所述的易散热大功率LED路灯，其特征在于:所述散热边框外侧设有多个鳍片。
3.根据权利要求1所述的易散热大功率LED路灯，其特征在于:所述防水槽向内凹陷。
4.根据权利要求1所述的易散热大功率LED路灯，其特征在于:所述LED芯片数目为1-8 个。
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