CN201606689U - 一种球形led灯泡 - Google Patents
一种球形led灯泡 Download PDFInfo
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Abstract
本实用新型涉及一种球形LED灯泡，包括：一灯头，该灯头具有两电极以接入市电；一连接座，该连接座上端与灯头固定；一散热器，该散热器上端与连接座连接，散热器内部设有空腔，散热器外周设有上下连通的主散热通道，空腔与主散热通道之间以筋肋连接；一LED光源基板，该基板设置于散热器下端；复数LED光源，诸LED光源安装于LED光源基板上；一球泡，该球泡上端以耐高温的高强度胶粘贴在散热器下端的内腔壁上；一驱动电源，该驱动电源设置于散热器空腔内，其以导线分别与灯头、LED光源电连接。利用本实用新型可极大提高球形LED的散热效率。
Description
技术领域
本实用新型涉及LED灯泡，尤其涉及一种散热效果好的球形LED灯泡。
背景技术
限制LED照明灯具发展的瓶颈主要有两个：一个是制作成本，第二个是LED灯具的散热。目前LED光源与传统光源相比价格还是较高，这个制约随着生产工艺的进步以及企业的广泛参与会逐渐好转，而LED属于半导体发光器件，半导体器件的特性随着自身温度的变化而产生明显的变化，对于LED结温的升高会导致器件各方面的性能变化和衰减。
目前的LED灯泡的散热面积和散热结构仍然不合理，导致LED的外量子效率降低，缩短LED的寿命，LED发出光的主波长偏移，引起光源颜色发生偏移。
实用新型内容
本实用新型针对现有技术的上述缺陷，提供一种球形LED灯泡，以提高其散热效率，减小光衰。
为了解决上述技术问题，本实用新型是通过以下技术方案实现的：
一种球形LED灯泡，包括：一灯头，该灯头具有两电极以接入市电；一连接座，该连接座上端与灯头固定；一散热器，该散热器上端与连接座连接，散热器内部设有空腔，散热器外周设有上下连通的主散热通道，空腔与主散热通道之间以筋肋连接；一LED光源基板，该基板设于散热器下端；复数LED光源，诸LED光源安装于LED光源基板上；一球泡，该球泡上端以耐高温的高强度胶粘贴在散热器下端的内腔壁上；一驱动电源，该驱动电源设置于散热器空腔内，其以导线分别与灯头、LED光源电连接。
优选地，球泡顶端侧壁开设有复数通道进气口，LED光源基板上对应位置开设有复数通气孔，连接座周边开设有复数通道出气口，所述通道进气口、通气孔、空腔以及通道出气口由下往上依次构成贯通的副散热通道。
优选地，所述散热器主散热通道侧壁上设有复数散热翅片。
优选地，空腔内壁上设有复数散热翅片。
优选地，所述散热器表面涂覆有红外物质层和/或负离子物质层。
从以上技术方案可以看出，本实用新型能够利用主、副散热通道进行空气热对流，以及利用散热器的筋肋和主、副散热通道内壁上的翅片进行热传导，再利用散热器外表面对外以热辐射形式的多重散热手段进行散热，散热效率得到极大的提高，有效的避免了温度过高导致的LED光衰、寿命缩短、波长偏移的现象。本实用新型还在散热器表面涂覆有红外物质层和/或负离子物质层，利用涂覆在散热器表面的热辐射材料进行散热，进一步增强散热效率，还可以杀毒灭菌，减少疾病传播，驱除烟尘，改善空气质量，促进新陈代谢。
附图说明
图1为本实用新型专利结构示意图
图2为本实用新型专利结构剖视图。
图3为本实用新型专利结构俯视图。
图4为本发明另一优选实施例结构剖视图。
具体实施方式
下面结合具体实施方式对本实用新型作进一步详细的说明。
参见图1至图3所示，本实用新型球形LED灯泡包括：灯头1、连接座2、散热器3、球泡4、驱动电源5、LED光源基板6、LED光源7，灯头1为螺旋型，其具有两电极以接入市电，连接座2连接在灯头1的下端，连接座2周边开设有复数通道出气口21，散热器3连接在连接座2的下端，散热器具有空腔51，散热器外周设有数个上下连通的主散热通道31，空腔51与主散热通道31之间以筋肋52连接，该筋肋52以热传导的方式源源不断地将驱动电源5、LED光源基板6以及LED光源7产生的热量传递到主散热通道和散热器的表面32，空腔51的内壁及主散热通道31的内壁均设有复数散热翅片，LED光源基板6设于散热器下端，LED光源基板6与散热器3组装时，将LED光源基板6预冷，再通过挤压设备将散热器3的下端和LED光源基板6平行均衡挤压成型。复数LED 光源7以螺钉固定在LED光源基板6上，LED光源7紧贴LED光源基板6的一面均匀涂有高导热材料，球泡4上端以耐高温的高强度胶粘贴在散热器3下端的内腔壁上，驱动电源5设置于散热器3空腔内，其以导线分别与灯头1、LED光源7电连接。球泡4顶端侧壁开设有复数通道进气口41，LED光源基板上对应位置开设有复数通气孔61，通道进气口41、通气孔61、空腔51以及通道出气口21由下往上依次构成贯通的副散热通道。在本实用新型的其它实施例中，灯头还可以为插口型，并不影响本实用新型的实现。
作为本实用新型的优选实施方式，热量由筋肋52以热传导方式传递到散热器表面32，散热器3的表面32涂覆有红外物质层和/或负离子物质层，传递到散热器表面32的热量以热辐射形式散发，加快散热器的散热速度。
散热器的散热效率跟散热面积、散热器材料的热传导系数是成正比的，铝材在导热方面具有很大的优势，不但导热系数高、而且具有质轻、加工方便、价格低廉的优点，因此本实用新型散热器采用铝材料挤压而成。
本实用新型散热器根据气流和空气动力学而设计，包含着热传导、热对流、热辐射的散热原理；热对流散热包括主散热通道、副散热通道，主散热通道散热：当LED光源热量通过LED光源基板传导到主散热通道中，由于热空气轻，冷空气重，冷空气与主散热通道腔壁接触，使冷空气在主散热通道中进行热交换将热量带走。本实用新型还在主散热通道腔壁内设置复数个散热翅片，增加散热面积，以热传导的形式对外散热，提高散热效率。
副散热通道的设计原理等同于主散热通道的散热原理，在空腔51壁上设置散热翅片。当驱动电源5工作时，LED光源7发亮，LED光源7和LED驱动电源5发热，冷空气由通道进气口41，通过LED光源基板上的通气孔61，热量再通过空腔51，冷空气在通过通气孔61和空腔51的过程中吸热，再由通道出气口21导出到外界空气中，循环往复与外界空气进行热交换。
再参见图4所示，作为本发明的另一种优选实施方式，其总体结构与图2所示实施例基本一致，不同之处仅在于，连接座2下端包裹主散热通道31，使主散热通道的气流路径改变。不同于图2所示的直接由主散热通道31的上端出气口直接将热气排出到外界，该实施例中，冷空气先由主散热通道31的下端进气口进入，吸热后膨胀由主散热通道31上端出气口排出，再进入连接座2，经连接座2上的通道出气口21排出到外界大气。该结构能够增气压差，促使气流速度加快，达到加快散热速度的目的。
上述之具体实施例是用来详细说明本实用新型之目的、特征及功效，对于熟悉此类技艺之人士而言，根据上述说明，可能对该具体实施例作部分变更及修改，其本质未脱离出本实用新型之精神范畴者，皆应包含在本案的申请专利范围中，宜先陈明。
Claims (5)
1.一种球形LED灯泡，其特征在于，包括：一灯头，该灯头具有两电极以接入市电；一连接座，该连接座上端与灯头固定；一散热器，该散热器上端与连接座连接，散热器内部设有空腔，散热器外周设有上下连通的主散热通道，空腔与主散热通道之间以筋肋连接；一LED光源基板，该基板设置于散热器下端；复数LED光源，诸LED光源安装于LED光源基板上；一球泡，该球泡上端以耐高温的高强度胶粘贴在散热器下端的内腔壁上；一驱动电源，该驱动电源设置于散热器空腔内，其以导线分别与灯头、LED光源电连接。
2.根据权利要求1所述的球形LED灯泡，其特征在于，球泡顶端侧壁开设有复数通道进气口，LED光源基板上对应位置开设有复数通气孔，连接座周边开设有复数通道出气口，所述通道进气口、通气孔、空腔以及通道出气口由下往上依次构成贯通的副散热通道。
3.根据权利要求2所述的球形LED灯泡，其特征在于，所述散热器主散热通道侧壁上设有复数散热翅片。
4.根据权利要求3所述的球形LED灯泡，其特征在于，空腔内壁上设有复数散热翅片。
5.根据权利要求4所述的球形LED灯泡，其特征在于，所述散热器表面涂覆有红外物质层和/或负离子物质层。
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Cited By (14)
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| CN102128370A (zh) * | 2010-12-31 | 2011-07-20 | 厦门立明光电有限公司 | 具有钻石体发光面的大光度角球泡 |
| CN102434805A (zh) * | 2011-12-16 | 2012-05-02 | 广东朗视光电技术有限公司 | 具有镂空通道散热器的发光二极管照明灯 |
| CN102434809A (zh) * | 2011-12-22 | 2012-05-02 | 都江堰光明光电材料有限责任公司 | 具有散热功能的玻璃照明灯 |
| CN102588756A (zh) * | 2011-01-13 | 2012-07-18 | 旭丽电子(广州)有限公司 | 灯具装置 |
| CN102679222A (zh) * | 2012-05-19 | 2012-09-19 | 广州欧科廷光电照明股份有限公司 | 一种利用超声波散热的led灯具 |
| CN102679181A (zh) * | 2011-03-07 | 2012-09-19 | 上海梵特电子科技有限公司 | 一种照明装置 |
| CN102748733A (zh) * | 2012-06-06 | 2012-10-24 | 梁劲松 | 用于led灯的内置散热器 |
| WO2013040875A1 (zh) * | 2011-09-20 | 2013-03-28 | 浙江捷莱照明有限公司 | 一种led球泡灯 |
| CN103244854A (zh) * | 2013-05-09 | 2013-08-14 | 深圳市耕创电子有限公司 | 一种led球泡灯 |
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- 2009-11-13 CN CN2009202626673U patent/CN201606689U/zh not_active Expired - Fee Related
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