CN201437921U - 安全led日光灯 - Google Patents
安全led日光灯 Download PDFInfo
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- CN201437921U CN201437921U CN200920133424XU CN200920133424U CN201437921U CN 201437921 U CN201437921 U CN 201437921U CN 200920133424X U CN200920133424X U CN 200920133424XU CN 200920133424 U CN200920133424 U CN 200920133424U CN 201437921 U CN201437921 U CN 201437921U
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Abstract
本实用新型涉及一种安全LED日光灯,包括装有LED光源的LED灯板、设在所述LED灯板外围的透光件、以及设在所述透光件两端的灯头,所述灯头的外表面设有绝缘层。通过在灯头的外表面上设置绝缘层,来避免操作者直接接触灯头,从而即使灯头发生漏电情况,操作者也不会接触到,起到了保护操作者避免触电,安全可靠。另外,通过在LED灯板上增加恒流源电路,来为LED光源提供稳定的电流,提高工作效率及稳定性。
Description
技术领域
本实用新型涉及照明领域,更具体地说,涉及一种照明用的、安全LED日光灯。
背景技术
传统的日光灯实在灯管内注入荧光粉,并通过两端的端子接入电源,轰击荧光粉发光,实现照明。这种传统的日光灯存在功耗高、不环保等缺陷。
随着LED产业的不断发展,由于LED光源的能耗小、寿命长、发热量低等优点,出现了采用LED作为光源的LED日光灯。这种日光灯包括安装有LED光源的LED灯板、设在LED灯板外围的透光件、以及设在透光件的两端的灯头。通过灯头引入外界电源,点亮LED光源,发出的光透过透光件向外射出,以达到照明目的。现有的灯头通常包括相互绝缘的端头以及端子;端头通常采用金属件做成,封堵透光件的两端;而端子插入到端头内,与LED灯板电连接,接入外界电源。这样的LED日光灯,在需要更换时,如果端子与端头、或者端头与LED灯板之间发生短接,会使得端头变成导电的,操作不慎会发生触电的意外,存在一定的安全隐患。
实用新型内容
本实用新型要解决的技术问题在于,针对现有技术的上述LED日光灯存在的安全缺陷,提供一种安全可靠的LED日光灯。
本实用新型解决其技术问题所采用的技术方案是:构造一种安全LED日光灯,包括装有LED光源的LED灯板、设在所述LED灯板外围的透光件、以及设在所述透光件两端的灯头,所述灯头的外表面设有绝缘层。
在本实用新型的安全LED日光灯中,所述灯头包括端头、以及插入所述端头与所述LED灯板电连接的端子;所述端子与所述端头之间为绝缘连接。
在本实用新型的安全LED日光灯中,所述端子外围包裹设有绝缘圈。
在本实用新型的安全LED日光灯中,所述端头为金属端头,所述绝缘层为包裹在所述金属端头外围的包胶层。
在本实用新型的安全LED日光灯中,所述端头为塑料端头,所述绝缘层为所述塑料端头的外层。
在本实用新型的安全LED日光灯中,所述LED灯板包括插入安转载所述透光件内的铝基板或PCB板。
在本实用新型的安全LED日光灯中,所述LED灯板上设有为所述LED光源提供恒定工作电流的恒流源电路;所述恒流源电路与所述端子电连接接入外界电源。
在本实用新型的安全LED日光灯中,所述透光件的内侧中间位置设有用于放置所述LED灯板的安装槽。
实施本实用新型的安全LED日光灯,具有以下有益效果:通过在灯头的外表面上设置绝缘层,来避免操作者直接接触灯头,从而即使灯头发生漏电情况,操作者也不会接触到,起到了保护操作者避免触电,安全可靠。另外,通过在LED灯板上增加恒流源电路,来为LED光源提供稳定的电流,提高工作效率及稳定性。
附图说明
下面将结合附图及实施例对本实用新型作进一步说明,附图中:
图1是本实用新型安全LED日光灯的结构示意图;
图2是本实用新型的安全LED日光灯拆去灯头后的剖视示意图;
图3是本实用新型的安全LED日光灯的灯头的剖视示意图。
具体实施方式
如图1至图3所示,在本实用新型的安全LED日光灯一个实施例中,该安全LED日光灯包括LED光源10、LED灯板11、透光件14和设在透明件14两端的灯头20。
该LED光源10可以采用多个大功率LED或多个小功率LED,安装在LED灯板11上。LED光源10的数量根据要求进行选择,并且可以根据需要在LED灯板11上间隔排列、错位排列等。而LED灯板11可以包括插入安装在透光件14内的铝基板或PCB灯板。进一步的,可以在LED灯板11上设置恒流源电路,该恒流源电路通过灯头的端子22接入外界电源,为LED灯板11上的LED光源10提供稳定的工作电流,使得LED光源的工作更加稳定,并可以提高LED光源的使用寿命。
该透光件14可以采用玻璃、亚力克、透明塑料或其他透光材质做成。在本实施例中,该透光件14为中空圆柱透光件14;可以理解的,透光件14的截面形状可以根据要求设计,例如方形、矩形、菱形等;主要保证透光件14两端的灯头20符合传统的灯头20的规格即可。在该透光件14的内侧中间位置设有安装槽12,用于将LED灯板11插入安装。并且LED灯板11的两端分别与两端的灯头20的端子22电连接,以接入外界电源,点亮LED灯板11上的LED光源10。该透光件14可以为一体式结构、也可以通过拼接组合的分体式结构。
该安全LED日光灯通过两端的灯头20安装到传统的日光灯座上,接入电源,点亮LED光源10。该灯头20包括端头21以及插入端头21内与LED灯板11电连接的端子22,并且正常情况下,端子22与端头21之间为绝缘连接。在本实施例中,该端头21为金属端头21,例如铝制、铁制端头21等,用于封闭透光件14的两端,起到密封的作用。而端子22通常为铜制端子22,作为接入外界电源到透光件14内的LED灯板11的导电连接件。为了保持端子22与端头21之间的绝缘,在端子22的外围套设有绝缘圈23,从而起到绝缘作用。同时,为了提高安全性,在该金属端头21的外围包裹设有包胶层24,从而,即使端子22与端头21之间或者端头21与LED灯板11之间发生短路,操作者接触端头21也不会触电,保证了操作者的安全。
在另一个实施例中,该端头可以采用塑料端头,由于塑料端头本身是绝缘的,因此绝缘层就为塑料端头的外层,可以简化结构。
Claims (8)
1.一种安全LED日光灯,包括装有LED光源的LED灯板、设在所述LED灯板外围的透光件、以及设在所述透光件两端的灯头,其特征在于,所述灯头的外表面设有绝缘层。
2.根据权利要求1所述的安全LED日光灯,其特征在于,所述灯头包括端头、以及插入所述端头与所述LED灯板电连接的端子;所述端子与所述端头之间为绝缘连接。
3.根据权利要求2所述的安全LED日光灯,其特征在于,所述端子外围包裹设有绝缘圈。
4.根据权利要求2所述的安全LED日光灯,其特征在于,所述端头为金属端头,所述绝缘层为包裹在所述金属端头外围的包胶层。
5.根据权利要求2所述的安全LED日光灯,其特征在于,所述端头为塑料端头,所述绝缘层为所述塑料端头的外层。
6.根据权利要求5所述的安全LED日光灯,其特征在于,所述LED灯板包括插入安转载所述透光件内的铝基板或PCB板。
7.根据权利要求6所述的安全LED日光灯,其特征在于,所述LED灯板上设有为所述LED光源提供恒定工作电流的恒流源电路;所述恒流源电路与所述端子电连接接入外界电源。
8.根据权利要求7所述的安全LED日光灯,其特征在于,所述透光件的内侧中间位置设有用于放置所述LED灯板的安装槽。
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