CN203240337U - 一种led日光灯 - Google Patents

一种led日光灯 Download PDF

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Publication number
CN203240337U
CN203240337U CN2013201830814U CN201320183081U CN203240337U CN 203240337 U CN203240337 U CN 203240337U CN 2013201830814 U CN2013201830814 U CN 2013201830814U CN 201320183081 U CN201320183081 U CN 201320183081U CN 203240337 U CN203240337 U CN 203240337U
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China
Prior art keywords
power supply
supply module
ceramic substrate
fluorescent lamp
caps
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CN2013201830814U
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English (en)
Inventor
江涛
朱卫军
应威胜
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浙江山蒲照明电器有限公司
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Abstract

一种LED日光灯,包括玻璃管、陶瓷基板LED COB、散热支架、电源模组和两个端盖,所述陶瓷基板LED COB固定在散热支架上面,电源模组设在散热支架下部,散热支架插在玻璃管内腔中,两个端盖与玻璃管固定连接,且两个端盖内部均设有伸出卡位并抵住散热支架,两个端盖设有散热孔和插针,所述插针外端露出端盖外,插针内端与电源模组电连接,电源模组与陶瓷基板LED COB电连接。其散热效果好、安全性强、整灯光效高。

Description

—种LED日光灯
技术领域
[0001] 本实用新型涉及一种照明电器技术,特别是一种LED日光灯。
背景技术
[0002] 现有的LED日光灯外壳大都采用铝合金加塑料罩或采用全塑料管,光源采用多排列组合单颗LED经过加工焊接在线路板上,然后将线路板与散热外壳固定。但由于线路板热阻大,造成LED灯珠芯片结温不能很快将热量散发到外壳上。另外,还由于所述铝外壳为导体,易发生触电事故,存在安全隐患,以及塑料罩或塑料管透光率不高,降低整灯光效。
发明内容
[0003] 本实用新型为解决上述现有技术LED日光灯存在的缺陷,新提供一种LED日光灯,其散热效果好、安全性强、整灯光效高。
[0004] 本实用新型所述的一种LED日光灯,包括玻璃管、陶瓷基板LED C0B、散热支架、电源模组和两个端盖,所述陶瓷基板LED COB固定在散热支架上面,电源模组设在散热支架下部,散热支架插在玻璃管内腔中,两个端盖与玻璃管固定连接,且两个端盖内部均设有伸出卡位并抵住散热支架,两个端盖设有散热孔和插针,所述插针外端露出端盖外,插针内端与电源模组电连接,电源模组与陶瓷基板LED COB电连接。如此设计,因为陶瓷基板LED COB是直接将LED芯片封装在陶瓷基板上的,不像普通LED日光灯常用的将阵列LED灯珠封装在线路板上,省去了 LED芯片热量传散到LED灯珠支架之间这层普通线路板的高热阻。使得本实用新型中的LED芯片热量可以很快通过陶瓷基板传到散热支架上。并且玻璃管绝缘性好,透光率高。
[0005] 作为优化,所述散热支架7截面形状设为D形。如此设计,可以使陶瓷基板LED COB与散热支架更牢固,更大面积粘合在一起,加快陶瓷基板的热量更快地散发出去。
[0006] 作为优化,所述玻璃管内壁设有涂膜。如此设计,其涂膜材料通过加工方式粘涂于玻璃管内壁,具有扩散灯光效果,使灯光光线不刺眼,更柔和。
[0007] 作为优化,所述电源模组与端盖之间通过公母插连接。所述电源模组与陶瓷基板LED COB之间通过带线端子连接,均可拆卸。如此设计,电源模组与端盖和陶瓷基板均为活动连接,使得拆装维修更方便。
[0008] 作为优化,所述两个端盖上各设有两个散热孔。如此设计,可以使LED日光灯内部热量通过端盖散热孔对流更好散发到外部。
[0009] 本实用新型的有益技术效果是:通过采用陶瓷基板LED COB和玻璃管,使得LED芯片热量可以很快通过陶瓷基板传到散热支架上,具有散热效果好、安全性强、整灯光效高等优点。
附图说明
[0010] 图1为本实用新型总装结构示意图。[0011 ] 图2为图1中A-A截面结构放大示意图。
[0012] 图3为图1中电源模组、公母插和带线端子结构放大示意图。
具体实施方式
[0013] 附图标注说明:1玻璃管、2陶瓷基板LED C0B、3散热孔、4涂膜、5端盖、6伸出卡位、7散热支架、8电源模组、9插针、10公母插、11带线端子。
[0014] 如图1-2所示,本实用新型所述的LED日光灯,包括玻璃管1、陶瓷基板LED COB 2、两个端盖5和散热支架7,陶瓷基板LED COB 2涂上导热硅脂后固定在散热支架7上面,电源模组8设在散热支架7下部,散热支架7插在玻璃管I内腔中,两个端盖5与玻璃管I固定连接,且两个端盖5内部均设有伸出卡位6并抵住散热支架7,两个端盖设有散热孔3和插针,所述插针外端露出端盖外,插针内端与电源模组8电连接,电源模组8与陶瓷基板LEDCOB 2电连接。
[0015] 所述散热支架7截面形状设为D形,其可以使陶瓷基板LED COB与散热支架更牢固,更大面积粘合在一起,加快陶瓷基板的热量更快地散发出去。所述散热支架7插在玻璃管I内腔中,其弧面贴接于玻璃管I内壁。整个散热支架7上的陶瓷基板LED COB 2可由若干小块陶瓷基板LED COB 2对接组成。
[0016] 所述两个端盖采用胶粘剂与玻璃管I两端固定连接,两端盖5内部的伸出卡位6分别抵住散热支架7两端头上面及其端面,这样使得散热支架7不会在玻璃管内部晃动或转动。
[0017] 所述玻璃管I内壁设有涂膜4。其涂膜材料可选用氧化铝膜等,并粘涂于玻璃管内壁,具有扩散灯光的效果,使灯光光线不刺眼,更柔和。
[0018] 所述电源模组8与端盖5之间通过公母插连接,所述电源模组8与陶瓷基板LEDCOB 2之间通过带线端子连接,使得电源模组8与端盖5和陶瓷基板均为活动连接,拆装维修更方便。
[0019] 所述两端盖上各设有两个散热孔3,通过所述散热孔3对流可以更好散发到外部。
[0020] 本实用新型通过采用陶瓷基板LED COB为光源,并将其直接固定安装在散热支架上面,使其LED芯片热量可以很快通过陶瓷基板传到散热支架上,再通过散热孔3对流散发到外部。以及采用玻璃管为外壳,使其灯外壳绝缘性好,透光率高。
[0021] 应该理解到的是:上述实施例只是对本实用新型的说明,任何不超出本实用新型实质精神范围内的发明创造,均落入本实用新型的保护范围之内。

Claims (6)

1.一种LED日光灯,包括玻璃管、陶瓷基板LED COB、散热支架、电源模组和两个端盖,其特征是:所述陶瓷基板LED COB固定在散热支架上面,电源模组设在散热支架下部,散热支架插在玻璃管内腔中,两个端盖与玻璃管固定连接,且两个端盖内部均设有伸出卡位并抵住散热支架,两个端盖设有散热孔和插针,所述插针外端露出端盖外,插针内端与电源模组电连接,电源模组与陶瓷基板LED COB电连接。
2.根据权利要求1所述的一种LED日光灯,其特征是:所述散热支架截面形状设为D形。
3.根据权利要求1或2所述的一种LED日光灯,其特征是:所述玻璃管内壁设有涂膜。
4.根据权利要求1或2所述的一种LED日光灯,其特征是:所述电源模组与端盖之间通过公母插连接,所述电源模组与陶瓷基板LED COB之间通过带线端子连接。
5.根据权利要求3所述的一种LED日光灯,其特征是:所述电源模组与端盖之间通过公母插连接,所述电源模组与陶瓷基板LED COB之间通过带线端子连接。
6.根据权利要求3所述的一种LED日光灯,其特征是:所述两个端盖上各设有两个散热孔。
CN2013201830814U 2013-04-12 2013-04-12 一种led日光灯 CN203240337U (zh)

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