CN201772286U - 一种led灯泡 - Google Patents
一种led灯泡 Download PDFInfo
- Publication number
- CN201772286U CN201772286U CN2010202031995U CN201020203199U CN201772286U CN 201772286 U CN201772286 U CN 201772286U CN 2010202031995 U CN2010202031995 U CN 2010202031995U CN 201020203199 U CN201020203199 U CN 201020203199U CN 201772286 U CN201772286 U CN 201772286U
- Authority
- CN
- China
- Prior art keywords
- led
- base
- heat radiation
- speculum
- heat
- Prior art date
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- 239000011257 shell materials Substances 0.000 claims description 30
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 229910052751 metals Inorganic materials 0.000 claims description 6
- 239000002184 metals Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000010410 layers Substances 0.000 abstract 1
- 230000002035 prolonged Effects 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000000034 methods Methods 0.000 description 4
- 239000003570 air Substances 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group 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C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound 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Abstract
本实用新型公开了一种LED灯泡，包括LED、底座和设有底座上的灯罩，所述灯罩内设有反射镜，反射镜的内侧设有一层散热壳，散热壳的底部与底座固定连接，其顶部设有开口，形成散热通道；所述LED至少为2个，且通过散热板固定于散热壳的底部，LED周向均布于所述灯罩和反射镜之间；所述底座的下部侧壁设有至少1个通风口，通风口与所述散热通道连通。本实用新型具有优良的散热作用，大大提高了灯泡的使用寿命。
Description
一种LED灯泡
技术领域
[0001] 本实用新型涉及一种照明灯具，具体涉及一种以发光二极管（LED)为光源的灯泡。
背景技术
[0002] 目前，台灯等室内照明灯具所采用的发光源基本上是以白炽灯灯泡或荧光灯管为 主。而白炽灯灯泡或荧光灯管的电光转换效率都比较低，而且其发热量大，使用寿命较短。
[0003] LED作为一种新兴的半导体发光器件，具有体积小、发热量低、耗电量低、寿命长等 优点，因此目前市面上出现了一些以LED为光源的灯具。现有的LED灯具大都是在LED的 外围直接套设一个灯罩而组成，影响了 LED的出光效率，而且其散热效果不佳，大大影响了 灯具的使用寿命。
发明内容
[0004] 本实用新型目的是提供一种具有散热结构的LED灯泡，使其具有较长的使用寿 命。
[0005] 为达到上述目的，本实用新型采用的技术方案是：一种LED灯泡，包括LED、底座和 设有底座上的灯罩，所述灯罩内设有反射镜，反射镜的内侧设有一层散热壳，散热壳的底部 与底座固定连接，其顶部设有开口，形成散热通道；
[0006] 所述LED至少为2个，且通过散热板固定于散热壳的底部，LED周向均布于所述灯 罩和反射镜之间；
[0007] 所述底座的下部侧壁设有至少1个通风口，通风口与所述散热通道连通。
[0008] 上文中，所述反射镜可以是反射镜罩，其顶部与灯罩连接，其底部设于散热壳上， 灯罩和反射镜之间设置LED，因而LED发出的光可以绝大部分通过灯罩射出，减小了光损 耗，提高了光照亮度。同时，在反射镜的内侧设有一层散热壳，形成散热通道，而底座的下部 侧壁设有通风口，冷风可以从该通风口进入，从散热壳顶部开口排出，从而带走LED灯泡内 的热量，起到散热的作用。由于灯泡内的热量主要由LED产生，所以在LED底部设置散热板， 并将散热板固定于散热壳底部上，从而将热量顺利散出。
[0009] 所述反射镜和散热壳之间可以用导热胶粘结固定，也可以散除一部分热量。
[0010] 所述LED的数量根据灯泡的大小及实际情况设定，优选的技术方案，所述LED为4 个，且周向均布设置。LED周向均布设置可以使照射光的分布较为均勻。
[0011 ] 上述技术方案中，所述通风口为4个，周向均布于底座侧壁上。
[0012] 上述技术方案中，所述底座内还设有电源模块，电源模块与LED电连接。
[0013] 上述技术方案中，所述底座的底部设有金属螺尾。
[0014] 由于上述技术方案运用，本实用新型与现有技术相比具有的优点是：
[0015] 1、本实用新型在反射镜的内侧设置了散热壳，形成散热通道，又在底座侧壁上设 置通风口，因而，冷风可以从该通风口进入，从散热壳顶部开口排出，从而带走LED灯泡内的热量，起到散热的作用，从而提高了灯泡的使用寿命。
[0016] 2、由于灯泡内的热量主要由LED产生，所以在LED底部设置散热板，并将散热板设 于散热壳底部，从而将热量顺利散出；此外，反射镜和散热壳之间可以用导热胶粘结固定， 也可以散除一部分热量，起到一定的散热作用。
[0017] 3、本实用新型在灯罩内设置了反射镜，而把LED设于灯罩和反射镜之间，因而在 LED发光时，一部分直射光线通过灯罩直接折射到外部，另一部分直射光线发生反射，反射 光线正好打在反射镜的表面，由反射镜再次反射而通过灯罩射出，从而大大减小了光损耗， 提高了光照亮度。
[0018] 4、本实用新型结构简单，易于制作，同时生产成本也较低，适合推广应用。 附图说明
[0019] 图1是本实用新型实施例一的结构示意图；
[0020] 图2是图1的A-A剖视图；
[0021] 图3是本实用新型实施例一的散热示意图。
[0022] 其中：1、灯罩；2、反射镜；3、散热壳；4、LED ；5、散热板；6、电源模块；7、底座；8、金
属螺尾；9、通风口。
具体实施方式
[0023] 下面结合附图及实施例对本实用新型作进一步描述：
[0024] 实施例一
[0025] 参见图1〜3所示，一种LED灯泡，包括LED4、底座7和设有底座上的灯罩1，所述 灯罩1内设有反射镜2，反射镜的内侧设有一层散热壳3，散热壳的底部与底座固定连接，其 顶部设有开口，形成散热通道；
[0026] 所述LED为4个，且通过散热板5固定于散热壳的底部，LED周向均布于所述灯罩 和反射镜之间；
[0027] 所述底座7的下部侧壁设有4个通风口 9，通风口与所述散热通道连通。
[0028] 所述底座内还设有电源模块6，电源模块与LED电连接。
[0029] 所述散热壳可以采用压铸铝，为整个LED灯散热作用；散热板可以采用基材为铝 材的PCB板，LED通过焊接安装在PCB板上，给LED起导热作用；PCB板与散热壳使用散热 胶紧密粘接，LED发出的热量传导到PCB板和散热壳；由于底座侧边开有通风口，冷空气可 以进入，经过散热壳中的散热通道时吸收热量成为热空气，热空气密度小，所以自然向上流 动，最后从散热壳的顶部开口传递到外部（参见图3)，不至使LED工作温度过高，保证其正 常工作，从而提高了灯泡的使用寿命。
[0030] 所述底座的底部设有金属螺尾9。金属螺尾为标准电灯泡接头，整个灯通过它接入 市电220V。金属螺尾通过电线与电源模块相连，将外部供电AC220V输入电源模块，电源模 块将交流AC220V转换为LED需求规格的直流电，完成对LED的供电。
[0031] 灯罩可以采用透明亚克力制成，底座可是采用塑胶底座，底座为电气绝缘材料，起 到隔离市电的作用，透明亚克力外罩可以通过卡扣与底座固定连接。
Claims (5)
- 一种LED灯泡，包括LED(4)、底座(7)和设有底座上的灯罩(1)，其特征在于：所述灯罩(1)内设有反射镜(2)，反射镜的内侧设有一层散热壳(3)，散热壳的底部与底座固定连接，其顶部设有开口，形成散热通道；所述LED(4)至少为2个，且通过散热板(5)固定于散热壳的底部，LED周向均布于所述灯罩和反射镜之间；所述底座(7)的下部侧壁设有至少1个通风口(9)，通风口与所述散热通道连通。
- 2.根据权利要求1所述的LED灯泡，其特征在于：所述LED为4个，且周向均布设置于 灯罩和反射镜之间。
- 3.根据权利要求1所述的LED灯泡，其特征在于：所述通风口为4个，周向均布于底座 侧壁上。
- 4.根据权利要求1所述的LED灯泡，其特征在于：所述底座内还设有电源模块（6)，电 源模块与LED电连接。
- 5.根据权利要求1所述的LED灯泡，其特征在于：所述底座的底部设有金属螺尾（8)。
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207252A (zh) * | 2011-04-14 | 2011-10-05 | 厦门阳光恩耐照明有限公司 | 一种led灯泡 |
| CN102261570A (zh) * | 2010-05-26 | 2011-11-30 | 苏州久腾光电科技有限公司 | 一种led灯泡 |
| CN102364215A (zh) * | 2011-07-26 | 2012-02-29 | 浙江迈勒斯照明有限公司 | 一种led烛光灯 |
| CN102563429A (zh) * | 2012-01-20 | 2012-07-11 | 浙江阳光照明电器集团股份有限公司 | 一种led灯泡 |
| CN103096191A (zh) * | 2011-11-08 | 2013-05-08 | 奇想创造事业股份有限公司 | 具有灯头的音响组件及具有该音响组件的灯泡 |
| CN103090215A (zh) * | 2011-11-08 | 2013-05-08 | 奇想创造事业股份有限公司 | 具有容置空间的灯泡及音响灯泡组件 |
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2010
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261570A (zh) * | 2010-05-26 | 2011-11-30 | 苏州久腾光电科技有限公司 | 一种led灯泡 |
| CN102207252A (zh) * | 2011-04-14 | 2011-10-05 | 厦门阳光恩耐照明有限公司 | 一种led灯泡 |
| CN102364215A (zh) * | 2011-07-26 | 2012-02-29 | 浙江迈勒斯照明有限公司 | 一种led烛光灯 |
| CN102364215B (zh) * | 2011-07-26 | 2017-08-01 | 郭邦俊 | 一种led烛光灯 |
| CN103096191A (zh) * | 2011-11-08 | 2013-05-08 | 奇想创造事业股份有限公司 | 具有灯头的音响组件及具有该音响组件的灯泡 |
| CN103090215A (zh) * | 2011-11-08 | 2013-05-08 | 奇想创造事业股份有限公司 | 具有容置空间的灯泡及音响灯泡组件 |
| CN102563429A (zh) * | 2012-01-20 | 2012-07-11 | 浙江阳光照明电器集团股份有限公司 | 一种led灯泡 |
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