CN103398303A - 散射led球泡灯 - Google Patents
散射led球泡灯 Download PDFInfo
- Publication number
- CN103398303A CN103398303A CN2013103192545A CN201310319254A CN103398303A CN 103398303 A CN103398303 A CN 103398303A CN 2013103192545 A CN2013103192545 A CN 2013103192545A CN 201310319254 A CN201310319254 A CN 201310319254A CN 103398303 A CN103398303 A CN 103398303A
- Authority
- CN
- China
- Prior art keywords
- scattering
- lamppost
- lamp
- astigmatism
- led
- Prior art date
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- 239000000463 materials Substances 0.000 claims abstract description 21
- 240000006028 Sambucus nigra Species 0.000 claims abstract description 16
- 239000011257 shell materials Substances 0.000 claims abstract description 12
- 201000009310 astigmatism Diseases 0.000 claims description 37
- 239000010410 layers Substances 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 3
- 229910052751 metals Inorganic materials 0.000 claims description 2
- 239000002184 metals Substances 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound 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Abstract
一种散射LED球泡灯，包括灯头、灯泡壳、灯柱及多个LED光源，该灯柱设置在该灯头的顶部的中部，该灯泡壳罩设在该灯柱周围，该灯柱的顶部设有一个半球形的散光部，该散光部的顶面朝向该灯泡壳的顶部设置，该散光部半球形的侧面朝向该灯泡壳的底部设置，该散光部由透明或半透明材料制成，该散光部上设有光透过散射材料，所述LED光源直接封装在该散光部的顶面，所述LED光源发出的光一部分朝向该灯泡壳的顶部照射，另一部分直接朝向该散光部照射。该散射LED球泡灯具有结构简单并且发光角度大的优点。
Description
散射LED球泡灯
技术领域
[0001] 本发明涉及LED照明领域，特别是一种散射LED球泡灯。
背景技术
[0002] 近年来，LED芯片作为光源运用于室内照明领域得到快速的发展。人们在不断探索一种能够克服LED配光角度小的难题。传统的LED球灯泡，其光分布角度一般小于180度，由于LED光源的固体发光特性，使其难以做到大角度发光。为了增大发光角度，人们试图将光源设置在多面立柱上。例如授权公告日为2012年10月31日，专利号为201220060615.X的中国实用新型专利揭示了一种高光效大角度LED灯泡。该高光效大角度LED灯泡包括基壳、位于这些的基壳底部的灯头、安装于这些的基壳内部的恒流电源、覆盖于这些的基壳顶部的盖板、固定于这些的盖板上方的呈立方体的散热立柱、收容这些散热立柱并与这些的基壳相连的透光罩，其中，这些的散热立柱的底面安装于这些的盖板上，其余面均贴有PCB板，每片PCB板上分布焊有若干个LED芯片。该大角度LED灯需要将LED芯片焊接在散热立柱。
[0003] 这种方法虽然能增加该LED灯侧面的亮度，但需要在支架的每个侧面焊接多个LED芯片，这就使得该LED灯制造工艺复杂，不便于组装和生产。
发明内容
[0004] 有鉴于此，有必要提供一种结构简单并且发光角度大的散射LED球泡灯。
[0005] 一种散射LED球泡灯，包括灯头、灯泡壳、灯柱及多个LED光源，该灯柱设置在该灯头的顶部的中部，该灯泡壳罩设在该灯柱周围，该灯柱的顶部设有一个半球形的散光部，该散光部的顶面朝向该灯泡壳的顶部设置，该散光部半球形的侧面朝向该灯泡壳的底部设置，该散光部由透明或半透明材料制成，该散光部上设有光透过散射材料，所述LED光源直接封装在该散光部的顶面，所述LED光源发出的光一部分朝向该灯泡壳的顶部照射，另一部分直接朝向该散光部照射。
[0006] 与现有技术相比，该散射LED球泡灯通过在灯头的顶部设置灯柱，在灯柱的顶部设置半球形的散光部，并在该散光部的顶面直接封装LED光源，使得这些LED光源发出的光一部分朝向该灯泡壳的顶部照射，另一部分直接朝向该散光部照射，通过该散光部将光线散射后照向该灯泡壳侧壁的底部，从而增大整灯的发光角度。由于不需要安装支架，并且在支架侧面焊接多个LED光源，从而简化了结构，这就使得该散射LED球泡灯具有结构简单并且发光角度大的的优点。
附图说明
[0007] 图1是本发明第一实施例的散射LED球泡灯的立体分解图。
[0008] 图2是图1所示散射LED球泡灯组装后的剖面示意图。
[0009] 附图标记说明:[0010] 100散射LED球泡灯 22LED光源
[0011] 10灯泡壳 23连接部
[0012] 11传热部 24通孔
[0013] 20灯柱 30灯头
[0014] 21散光部
具体实施方式
[0015] 下面结合附图与具体实施方式对本发明作进一步详细描述。
[0016] 图1是本发明第一实施例的散射LED球泡灯100的立体分解图，该散射LED球泡灯100包括灯头30、灯泡壳10、灯柱20及多个LED光源22，该灯柱20设置在该灯头30的顶部的中部，该灯泡壳10罩设在该灯柱20周围，该灯柱20的顶部设有一个半球形的散光部21，该散光部21的顶面朝向该灯泡壳10的顶部设置，该散光部21半球形的侧面朝向该灯泡壳10侧壁的底部设置。
[0017] 请参考图2，该散光部21由透明或半透明材料制成，该散光部21的外表面涂覆有光透过散射材料，当然，也可以采用其他方式设置该光透过散射材料。这些LED光源22将该散光部21的顶面作为基板，直接封装在该散光部21的顶面。这些LED光源22与该散光部21之间未设置传统封装中常见的反射银层。这些LED光源22发出的光，一部分朝向该灯泡壳10的顶部照射，另一部分直接朝向该散光部21照射。这些LED光源22的封装层上设有荧光粉(图未示)，该散光部21上一体混合有荧光粉或者该散光部21的外表面涂覆有荧光粉层(图未示)。该散光部21的顶部设有金属化线路层(图未示)，该线路层与这些LED光源22电连接。该灯柱20的中部设有通孔24，该线路层通过该通孔24与设置在该灯头30内的驱动(图未示)电连接。
[0018] 请参考图2，该灯柱20还包括连接部23，该连接部23 —体成型在该灯柱20的底部，该连接部23设置在该灯头30的顶部。该连接部23为圆台体结构。该灯柱20由高导热率材料制成。该灯泡壳10的底部开口对应该灯柱20的连接部23设有传热部11，该传热部11与该连接部23热连接。该灯泡壳10的传热部11为对应该连接部23设置为圆台形壳体结构，该传热部11与该连接部23之间设有传热胶。该连接部23的外表面设有反光层(图未示)。
[0019] 工作时，由于这些LED光源22直接封装在该散光部21的顶面，因此这些LED光源22发出的光一部分朝向该灯泡壳10的顶部照射，由于该散光部21由透明或半透明材料制成，并且该散光部21上设有光透过散射材料，因此这些LED光源22发出的光一部分可通过该散光部21朝该灯泡壳10的侧壁和底部照射，这样使得该散射LED球泡灯100能够实现大角度照明。在散热方面，该散光部21上的这些LED光源22散发的热量通过该灯柱20底部的连接部23传递到该灯泡壳10上的传热部11，由于该灯柱20由高导热率材料制成，并且该传热部11与该连接部23之间设有传热胶，因此热量能够顺利地从该灯柱20传递到该灯泡壳10上而散发到空气中。
[0020] 综上所述，该散射LED球泡灯通过在灯头的顶部设置灯柱，在灯柱的顶部设置半球形的散光部，并在该散光部的顶面直接封装LED光源，由于该散光部由透明或半透明材料制成，并且设有光透过散射材料，因此使得这些LED光源发出的光一部分朝向该灯泡壳的顶部照射，另一部分直接朝向该散光部照射，通过该散光部将光线散射后照向该灯泡壳的侧壁和底部，从而实现大角度光分布。另外，在散热方面，该散射LED球泡灯通过由高导热率材料制成的灯柱，在灯柱的底部设置连接部，并在该灯泡壳的底部开口对应该灯柱的连接部设置传热部，通过传热胶使灯泡壳的传热部与该灯柱的连接部进行连接，使得灯柱上的LED光源产生的热量能够通过灯柱传递到灯泡壳，再从灯泡壳发散到外部空间，由于该散射LED球泡灯具有与白炽灯一样的外形，结构简单，免除单独散热件的使用，加上该散射LED球泡灯能够实现大角度发光，并且这种大角度发光的实施方式无需通过在支架侧面焊接多个LED光源，从而具有工艺简单、便于制造的优点。
[0021] 以上这些仅为本发明的较佳实施例而已，并不用以限制本发明，任何本领域人员在不脱离本方案技术范围内，可当利用上述揭露的技术内容作些许改动为同等变化的等效实施例。但凡为脱离在本发明技术方案内容，依据本发明技术实质对以上实施例所做的任何修改、等同替换、改进等，均应包含在本发明保护的范围之内。
Claims (7)
1.一种散射LED球泡灯，包括灯头、灯泡壳、灯柱及多个LED光源，该灯柱设置在该灯头的顶部的中部，该灯泡壳罩设在该灯柱周围，其特征在于:该灯柱的顶部设有一个半球形的散光部，该散光部的顶面朝向该灯泡壳的顶部设置，该散光部半球形的侧面朝向该灯泡壳的底部设置，该散光部由透明或半透明材料制成，该散光部上设有光透过散射材料，所述LED光源直接封装在该散光部的顶面，所述LED光源发出的光一部分朝向该灯泡壳的顶部照射，另一部分直接朝向该散光部照射。
2.根据权利要求1所述的散射LED球泡灯，其特征是:该灯柱还包括连接部，该连接部一体成型在该灯柱的底部，该连接部设置在该灯头的顶部，该灯柱由高导热率材料制成。
3.根据权利要求2所述的散射LED球泡灯，其特征是:该灯泡壳的底部开口对应该灯柱的连接部设有传热部，该传热部与该连接部热连接。
4.根据权利要求3所述的散射LED球泡灯，其特征是:该灯柱的连接部为圆台体结构，该连接部的顶部与该散光部连接，该灯泡壳的传热部为对应该连接部的圆台形壳体结构，该传热部与该连接部之间设有传热胶。
5.根据权利要求1所述的散射LED球泡灯，其特征是:该连接部的外表面设有反光层。
6.根据权利要求1所述的散射LED球泡灯，其特征是:该散光部的顶部设有金属化线路层，该线路层与所述LED光源电连接，该灯柱的中部设有通孔，该线路层通过该通孔与设置在该灯头内的驱动电连接。
7.根据权利要求1所述的散射LED球泡灯，其特征是:所述LED光源的封装层上设有荧光粉，所述散光部上一体混合有荧光粉或者所述散光部的外表面涂覆有荧光粉层。
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