CN204083941U - Led灯丝灯泡 - Google Patents

Led灯丝灯泡 Download PDF

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CN204083941U
CN204083941U CN201420568435.1U CN201420568435U CN204083941U CN 204083941 U CN204083941 U CN 204083941U CN 201420568435 U CN201420568435 U CN 201420568435U CN 204083941 U CN204083941 U CN 204083941U
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led silk
heat
radiating piece
lamp holder
circuit board
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周夷
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Abstract

本实用新型公开一种LED灯丝灯泡,包括灯头、与灯头连接的灯头塑件、泡壳、LED灯丝和驱动电路板,还包括散热件,散热件的一端与灯头塑件连接,泡壳与散热件的另一端连接,散热件上横置有导热板,LED灯丝的下部电接端与驱动电路板电气连接,与LED灯丝焊接的驱动电路板连接固定在导热板上,驱动电路板与导热板贴合导热,从而LED灯丝产生的热量能通过驱动电路板传导给散热件,再由散热件将热量散出,解决LED灯丝的散热问题。此散热结构与现有的通过泡壳内抽真空充氮气来散热的技术相比,本结构更加简化,使LED灯丝灯泡的结构更加简单,能降低生产成本。

Description

LED灯丝灯泡
技术领域
本实用新型涉及LED灯具领域,特别涉及一种用LED灯丝作为光源的LED灯丝灯泡。
背景技术
LED 光源以寿命长、无污染、光效高等特点正逐步替代白炽灯和荧光灯等光源,故而出现了用LED 作为光源的灯泡。现有技术中的LED 灯泡一般包括灯头、灯罩和固定在灯罩内的LED 光源。随着LED灯泡的发展,出现了由LED灯丝作为光源的LED灯泡,LED灯丝灯泡相比普通的LED灯泡具有很多优势,例如普通LED灯泡在不加其它光学原件前发光角度最大是180度,灯丝灯泡可以实现360度发光。
现有技术中作为光源的LED 灯丝通常由多条组成,LED 芯片在灯丝长度方向上均匀分布,LED灯丝会发热,而且LED芯片对温度要求较高,从而在现有技术中,均是通过在灯泡内部抽真空,充氮气,来进行散热,结构相较复杂,而且成本较高。
因此,如何改进LED灯丝灯泡的散热结构来简化LED灯泡的结构,降低生产成本是业内亟待解决的技术问题。
实用新型内容
本实用新型的主要目的是提供一种LED灯丝灯泡,旨在简化LED灯丝灯泡的结构,降低生产成本。
本实用新型提出一种LED灯丝灯泡,包括灯头、与所述灯头连接的灯头塑件、泡壳、LED灯丝和驱动电路板, 还包括散热件,所述散热件的一端与所述灯头塑件连接,所述泡壳与所述散热件的另一端连接,所述散热件上横置有导热板,所述驱动电路板连接固定在所述导热板上,所述驱动电路板与所述导热板贴合导热,所述LED灯丝的下部电接端与所述驱动电路板电气连接。
优选地,所述驱动电路板连接固定在所述导热板的下端面上,所述导热板上设有通孔,所述LED灯丝的下部电接端通过所述通孔与所述驱动电路板电气连接。
优选地,所述导热板横置在所述散热件内将所述散热件分隔成与所述灯头塑件的上部适配的下安装腔和与所述泡壳的下部适配的上安装腔,所述灯头塑件的上部安装在所述下安装腔中,所述泡壳的下部安装在所述上安装腔中。
优选地,所述散热件包括向上隆起的导热柱,所述导热板为所述导热柱的上端面,所述散热件的上端外壁绕所述导热柱形成与所述泡壳的下部适配的上安装槽,所述散热件的下端设为与所述灯头塑件的上部适配的下安装腔,所述灯头塑件的上部安装在所述下安装腔中,所述泡壳的下部安装在所述上安装槽中。
优选地,所述散热件为导热金属材料一体制成。
优选地,所述LED灯丝设有至少两根,所述LED灯丝的上部电接端之间通过导线电气连接。
本实用新型的LED灯丝灯泡的有益效果为:
本LED灯丝灯泡设有散热件,与LED灯丝焊接的驱动电路板安装在散热件内,与散热件内的导热板贴合导热,从而LED灯丝产生的热量能通过驱动电路板传导给散热件,再由散热件将热量散出,解决LED灯丝的散热问题。此散热结构与现有的通过泡壳内抽真空充氮气来散热的技术相比,本结构更加简化,使LED灯丝灯泡的结构更加简单,能降低生产成本。
附图说明
图1为本实用新型LED灯丝灯泡的实施例中LED灯丝灯泡的结构分解示意图;
图2为本实用新型LED灯丝灯泡的实施例中带球泡型泡壳的LED灯丝灯泡的结构剖视图;
图3为本实用新型LED灯丝灯泡的实施例中带蜡烛型泡壳的LED灯丝灯泡的结构示意图。
本实用新型目的的实现、功能特点及优点将结合实施例,参照附图做进一步说明。
具体实施方式
应当理解,此处所描述的具体实施例仅仅用以解释本实用新型,并不用于限定本实用新型。
参照图1至图3,提出本实用新型的LED灯丝灯泡的一实施例,该LED灯丝灯泡包括灯头10、与灯头10连接的灯头塑件20、泡壳60、LED灯丝50和驱动电路板30, LED灯丝50被罩设在泡壳60内,可以实现360度发光。泡壳60为玻璃罩,透光率更高,能减少了光能损耗,更加节能,发光效果可以同白炽灯媲美,更加符合消费者的习惯。泡壳60可设置为球泡状(如图2所示)或蜡烛型(如图3所示)。
本LED灯丝灯泡设有散热件40,散热件40为导热金属材料一体制成的旋转体。本实施例中的散热件40为铝材料制成,导热系数高。散热件40的下端与灯头塑件20连接,泡壳60与散热件40的上端连接。散热件40上横置有导热板41。
LED灯丝50设有至少两根,LED灯丝50的上部电接端之间通过导线电气连接。驱动电路板30连接固定在导热板41上,LED灯丝50的下部电接端与驱动电路板30电气连接。驱动电路板30与导热板41贴合导热,从而LED灯丝50产生的热量能通过驱动电路板30传导给散热件40,再由散热件40将热量散出,解决LED灯丝50的散热问题。此散热结构与现有的通过泡壳60内抽真空充氮气来散热的技术相比,本结构更加简化,使LED灯丝灯泡的结构更加简单,能降低生产成本,而且散热效果好。
为使灯泡更加美观,将驱动电路板30连接固定在导热板41的下端面上,将驱动电路板30隐藏。在导热板41上设有通孔42,LED灯丝50的下部电接端通过通孔42与驱动电路板30电气连接。将驱动电路板30隐藏在导热板41的下端面,从而透过泡壳60也看不到驱动电路板30及驱动电路板30与LED灯丝50之间的焊点,使灯泡更加美观。
如图2所示,泡壳60为球泡状,导热板41横置在散热件40内,导热板41将散热件40分隔成与灯头塑件20的上部适配的下安装腔43和与泡壳60的下部适配的上安装腔44,灯头塑件20的上部安装在下安装腔43中,泡壳60的下部安装在上安装腔44中。
如图3所示,泡壳60为蜡烛型,散热件40包括向上隆起的导热柱400,导热板41为导热柱400的上端面,散热件40的上端外壁绕导热柱400形成与泡壳60的下部适配的上安装槽,散热件40的下端设为与灯头塑件20的上部适配的下安装腔,灯头塑件的上部安装在下安装腔中,泡壳的下部安装在上安装槽中。
以上所述仅为本实用新型的优选实施例,并非因此限制本实用新型的专利范围,凡是利用本实用新型说明书及附图内容所作的等效结构变换,或直接或间接运用在其他相关的技术领域,均同理包括在本实用新型的专利保护范围内。

Claims (6)

1.一种LED灯丝灯泡,包括灯头、与所述灯头连接的灯头塑件、泡壳、LED灯丝和驱动电路板,其特征在于, 还包括散热件,所述散热件的一端与所述灯头塑件连接,所述泡壳与所述散热件的另一端连接,所述散热件上横置有导热板,所述驱动电路板连接固定在所述导热板上,所述驱动电路板与所述导热板贴合导热,所述LED灯丝的下部电接端与所述驱动电路板电气连接。
2.根据权利要求1所述的LED灯丝灯泡,其特征在于,所述驱动电路板连接固定在所述导热板的下端面上,所述导热板上设有通孔,所述LED灯丝的下部电接端通过所述通孔与所述驱动电路板电气连接。
3.根据权利要求2所述的LED灯丝灯泡,其特征在于,所述导热板横置在所述散热件内将所述散热件分隔成与所述灯头塑件的上部适配的下安装腔和与所述泡壳的下部适配的上安装腔,所述灯头塑件的上部安装在所述下安装腔中,所述泡壳的下部安装在所述上安装腔中。
4.根据权利要求2所述的LED灯丝灯泡,其特征在于,所述散热件包括向上隆起的导热柱,所述导热板为所述导热柱的上端面,所述散热件的上端外壁绕所述导热柱形成与所述泡壳的下部适配的上安装槽,所述散热件的下端设为与所述灯头塑件的上部适配的下安装腔,所述灯头塑件的上部安装在所述下安装腔中,所述泡壳的下部安装在所述上安装槽中。
5.根据权利要求3或4所述的LED灯丝灯泡,其特征在于,所述散热件为导热金属材料一体制成。
6.根据权利要求1所述的LED灯丝灯泡,其特征在于,所述LED灯丝设有至少两根,所述LED灯丝的上部电接端之间通过导线电气连接。
CN201420568435.1U 2014-09-30 2014-09-30 Led灯丝灯泡 Expired - Fee Related CN204083941U (zh)

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