CN203453866U - 一种远程t8-led灯 - Google Patents
一种远程t8-led灯 Download PDFInfo
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Abstract
本实用新型公开了一种远程T8-LED灯,包括呈圆柱状的透光灯管,所述的透光灯管的一侧设有沿轴向分布的凹槽,所述的凹槽内设有光源连接板,所述的光源连接板内侧并联连接有若干LED芯片,所述的凹槽的底部设有灯珠避让槽,所述的灯珠避让槽内设有荧光挡板,所述的凹槽的开口处设有密封挡条,所述的透光灯管的两端设有连接头,所述的光源连接板与连接头电连接。因此,本实用新型具有发光角度大,光线均匀的有益效果。
Description
技术领域
本实用新型涉及一种灯管,尤其涉及一种远程T8-LED灯。
背景技术
T8灯管是荧光灯(或称日光灯、光管、荧光管)的一种,使用电力在氩或氖气中激活水银蒸气,形成等离子并发出短波紫外线,令磷质发出可见的荧光以照明,一般的荧光管以玻璃制造,在两端装有插口以连接电源及固定荧光管的位置,与电灯泡不同,荧光管必须设有镇流器,与启辉器配合产生让气体发生电离的瞬间高压。普通的T8灯管使用寿命短、耗电量大,发光瞬间电压很高,存在安全隐患,因此现在T8-LED灯管具有节能、环保、使用寿命长、使用安全灯诸多优点,已经逐步取代传统的T8灯管。现有的T8-LED光源采用多排列组合单颗LED经过加工焊接在线路板上,再将线路板与散热外壳固定,朝单面发光,这样发光角度太小,另单颗灯珠分开排列,使得光线不均匀。
中国专利授权公告号:CN202403033U,授权公告日2012年8月29日,公开了公开了一种T8-LED灯管,该T8-LED灯管包括相互连接的铝压铸散热外壳和PC雾面光扩散罩体,铝压铸散热外壳的截面呈扁平状,PC雾面光扩散罩体的截面呈扁圆弧形,PC雾面光扩散罩***于铝压铸散热外壳的下方;铝压铸散热外壳的下侧面上通过螺丝固定有PCB板,PCB板位于铝压铸散热外壳和PC雾面光扩散罩体之间;该T8-LED灯管还包括连接在铝压铸散热外壳两端的扁平化灯头,扁平化灯头的外端面上设有两个灯脚。其不足之处是该种T8-LED灯管发光角度小,发出的光线不均匀。
实用新型内容
本实用新型为了克服现有技术中的T8-LED灯管的发光角度小,光线不均匀不足,提供了一种发光角度大,光线均匀的远程T8-LED灯。
为了实现上述目的,本实用新型采用如下技术方案:
一种远程T8-LED灯,包括呈圆柱状的透光灯管,所述的透光灯管的一侧设有沿轴向分布的凹槽,所述的凹槽内设有光源连接板,所述的光源连接板内侧并联连接有若干LED芯片,所述的凹槽的底部设有灯珠避让槽,所述的灯珠避让槽内设有荧光挡板,所述的凹槽的开口处设有密封挡条,所述的透光灯管的两端设有连接头,所述的光源连接板与连接头电连接。连接头与外界电路连接通电后,LED芯片发出蓝光,荧光挡板上设有荧光粉层,荧光粉层被少部分蓝光激发后发黄光,黄光与其余的蓝光结合生成白光,由于荧光挡板上的荧光粉层非常均匀,因此最终从透光灯管处照射出来的白光非常均匀,整个透光灯管除了光源连接板的背侧,其余的地方都有均匀的光线射出,发光角度大,照明效果好。
作为优选,所述的荧光挡板的横截面呈C字形。荧光挡板的内、外侧面都为圆弧面,从而保持整个荧光挡板上光线连续、均匀,无变化,最终照射出的白光更加均匀。
作为优选,所述的连接头内还设有LED驱动器,所述的LED驱动器与光源连接板电连接。LED驱动器用于调节电流、电压,从而保持进入LED芯片内的电压位于额定电压范围内,电流稳定,从而保持LED芯片最佳的发光亮度,透光灯管的两端连接头直接可以接入外界电路中,使用更加安全。
作为优选,荧光挡板到透光灯管侧壁之间的最大距离与透光灯管的直径之比大于2/3。为了尽可能的增加光线照射角度,因此把荧光挡板的位置尽可能的远离透光灯管的光线射出端,缩小光源连接板背侧的范围,从而增大照射角度、照射范围。
因此,本实用新型具有发光角度大,光线均匀的有益效果。
附图说明
图1为本实用新型的一种结构示意图。
图2为本实用新型的剖视图。
图3为本实用新型的***图。
图中:透光灯管1 凹槽2 光源连接板3 LED芯片4 灯珠避让槽5 荧光挡板6 密封挡条7 连接头8 LED驱动器9。
具体实施方式
下面结合附图和具体实施方式对本实用新型作进一步描述:
如图1和图2所示的一种远程T8-LED灯,包括呈圆柱状的透光灯管1,透光灯管由玻璃或者塑料制成,本实施例中的透光灯光由玻璃制成,透光灯管1的一侧设有沿轴向分布的凹槽2,所述的凹槽2内设有光源连接板3,光源连接板上设有两条平行的金属线路板,如图3所示,两条平行的金属线路板上并联连接有若干LED芯片4,凹槽2的底部设有灯珠避让槽5,LED芯片伸入灯珠避让槽内,灯珠避让槽5内设有荧光挡板6,荧光挡板6的横截面呈C字形,荧光挡板从灯珠避让槽的内端伸入透光灯管内,凹槽2的开口处设有密封挡条7,透光灯管1的两端设有连接头8,光源连接板3与连接头8电连接,连接头8内还设有LED驱动器9,LED驱动器9与光源连接板3电连接。连接头与外界电路电源连接后,LED芯片发出蓝光,荧光挡板上的荧光层在部分蓝光的照射下激发后产生黄光,黄光与其余的蓝光结合后生成白光,最后白光从透光灯管的管壁上照射出来,白光为远程光,能照射到很远的距离,由于荧光挡板上的荧光粉层非常均匀,因此白光均匀连续、均匀;本实施例中,荧光挡板6到透光灯管1侧壁之间的最大距离与透光灯管1的直径之比为5/6,为了尽可能的增加光线照射角度,因此把荧光挡板的位置尽可能的远离透光灯管的光线射出端,缩小光源连接板背侧的范围,从而增大照射角度、照射范围。因此,本实用新型具有发光角度大,光线均匀的有益效果。
Claims (4)
1.一种远程T8-LED灯,包括呈圆柱状的透光灯管(1),其特征是,所述的透光灯管(1)的一侧设有沿轴向分布的凹槽(2),所述的凹槽(2)内设有光源连接板(3),所述的光源连接板(3)内侧并联连接有若干LED芯片(4),所述的凹槽(2)的底部设有灯珠避让槽(5),所述的灯珠避让槽(5)内设有荧光挡板(6),所述的凹槽(2)的开口处设有密封挡条(7),所述的透光灯管(1)的两端设有连接头(8),所述的光源连接板(3)与连接头(8)电连接。
2.根据权利要求1所述的一种远程T8-LED灯管,其特征是,所述的荧光挡板(6)的横截面呈C字形。
3.根据权利要求1所述的一种远程T8-LED灯管,其特征是,所述的连接头(8)内还设有LED驱动器(9),所述的LED驱动器(9)与光源连接板(3)电连接。
4.根据权利要求1或2或3所述的一种远程T8-LED灯管,其特征是,荧光挡板(6)到透光灯管(1)侧壁之间的最大距离与透光灯管(1)的直径之比大于2/3。
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