WO2011026368A1 - 一种易散热led灯 - Google Patents

一种易散热led灯 Download PDF

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Publication number
WO2011026368A1
WO2011026368A1 PCT/CN2010/074515 CN2010074515W WO2011026368A1 WO 2011026368 A1 WO2011026368 A1 WO 2011026368A1 CN 2010074515 W CN2010074515 W CN 2010074515W WO 2011026368 A1 WO2011026368 A1 WO 2011026368A1
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WO
WIPO (PCT)
Prior art keywords
heat
dissipating
led lamp
light
ring
Prior art date
Application number
PCT/CN2010/074515
Other languages
English (en)
French (fr)
Inventor
林峻毅
邱苑
Original Assignee
Lin Junyi
Qiu Yuan
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Filing date
Publication date
Application filed by Lin Junyi, Qiu Yuan filed Critical Lin Junyi
Publication of WO2011026368A1 publication Critical patent/WO2011026368A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • F21V29/767—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having directions perpendicular to the light emitting axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode

Definitions

  • the utility model relates to an LED lamp technology, and more particularly to an easy-to-dissipate LED lamp. Background technique
  • Light-emitting diodes use the illuminating performance of semiconductors to emit light, which has the advantages of low power consumption and long service life.
  • lighting fixtures using LED combinations are more and more common, but conventional LED lamps have poor heat dissipation.
  • the LED point source used in the lamp body has poor uniformity, glare, and the light is not soft enough. It is easy to form a spot when synthesizing the lamp, which affects the lighting effect; therefore, solving the heat transfer and heat dissipation problem with the LED as the light source and the glare and glare of the light source become a difficult point in the development of lamps.
  • Utility model content Utility model content
  • the technical problem to be solved by the present invention is to provide an easy-to-dissipate LED lamp with a simple structure and good heat dissipation effect in view of the above-mentioned deficiencies of the prior art.
  • an easy-to-dissipate LED lamp comprising an insulated lamp holder with an electrode, wherein the insulating lamp holder is connected with a heat-dissipating ring, the heat-dissipating ring is connected with the heat-dissipating substrate, and at least the heat-dissipating substrate is provided on the heat-dissipating substrate
  • An LED light has a light-transmitting plate on the outside of the LED light.
  • the insulating base is in the shape of a cover
  • the heat-dissipating ring is mounted in the insulating base
  • the heat-dissipating substrate is connected to the heat-dissipating ring through the thermal conductive adhesive, and at least one side is disposed on the lower side of the insulating base.
  • the vent, the light-transmitting plate is disposed at the opening of the insulating base.
  • the surface of the light-transmitting plate is provided with a light-homogenizing layer.
  • a secondary leveling element is disposed between the light-transmitting plate and the LED lamp.
  • the insulated lamp holder is connected to the rear of the heat-dissipating ring, the heat-dissipating substrate is installed in the heat-dissipating ring, and the light-transmitting plate is mounted on the outer end surface of the heat-dissipating ring.
  • the utility model can directly connect the heat dissipation ring and the heat dissipation substrate in the small LED lamp body, and can quickly dissipate the heat generated by the LED illuminator into the surrounding air to ensure the normal operation of the LED illuminator; further improvement
  • the light emitted by the LED illuminator can be softened without glare, thereby expanding the field of use of the LED lamp.
  • FIG. 1 is a schematic structural view of a specific embodiment 1 of the present invention.
  • FIG. 2 is a schematic structural view of a heat dissipation ring of the present invention.
  • FIG. 3 is a second structural schematic view of the heat dissipation ring of the present invention.
  • Figure 4 is a schematic structural view of a second embodiment of the present invention.
  • Figure 5 is a schematic structural view of a third embodiment of the present invention.
  • Insulated lamp holder 1 vent la, heat sink 2, heat sink substrate 3, LED lamp 4, light transmissive plate 5, light concentrating layer 5a, reflector cover group 6, secondary light concentrating sheet 7, concentrating lens group 8.
  • an easy-to-dissipate LED lamp of the present invention includes an insulated lamp holder 1 with an electrode.
  • the insulating base 1 in this embodiment has a cover shape, and a heat-dissipating ring 2 is connected in the insulating lamp holder 1 .
  • the heat dissipating substrate 3 is connected to the heat dissipating substrate 3 through the thermal conductive adhesive on the lower end surface of the heat dissipating ring 2, and the heat dissipating substrate 3 can be provided with a heat transfer aluminum plate or a copper plate, and the heat dissipating substrate 3 is provided with a plurality of LED lamps 4, so that the heat dissipating substrate 3 can be used for
  • the heat during operation is transmitted to the heat-dissipating ring 2 in time; 12 vents la are uniformly distributed on the lower side of the insulating base 1 for outward heat transfer; a light-transmitting plate 5 is disposed outside the LED lamp 4, and the light is transmitted.
  • the plate 5 is fixed to the opening of the insulating base 1, and a secondary leveling element is disposed between the light-transmitting plate 5 and the LED lamp 4.
  • the secondary light-sizing element of this embodiment adopts an integrally formed reflection cover group 6 (of course A separate conical reflector can also be used, and the reflector cover 6 is fixedly connected to the heat dissipation substrate 2 via a connecting screw.
  • the heat dissipating structure of the outer surface of the heat dissipating ring 2 of the present invention adopts a structure of thirty-two radiating fins which are radially outwardly distributed.
  • a curved surface as shown in FIG. 4 can also be used.
  • the heat dissipating fin structure can also be arranged in the circumferentially equidistant arrangement of the annular heat dissipating fin structure as shown in FIG. 5, and the specific structural manner can be determined according to the specific requirements of the heat dissipating.
  • an easy-to-dissipate LED lamp of the present invention is basically the same as that of Embodiment 1, except that the secondary light-sizing element is not used, but the uniform light is directly disposed on the inner surface of the light-transmitting plate 5.
  • Layer 5a uniform light
  • the layer 5a may be a polished surface, a sandblasted dot pattern or a textured surface, which can achieve a uniform light effect, but reduces the light effect.
  • an easy-to-dissipate LED lamp of the present invention includes an insulated lamp holder 1 with an electrode.
  • the insulating base 1 in this embodiment is directly connected to the rear portion of the heat-dissipating ring 2, and the heat-dissipating ring 2 is exposed.
  • the heat dissipating substrate 3 is mounted in the heat dissipating ring 2.
  • the heat dissipating ring 2 and the heat dissipating substrate 3 in this embodiment may be integrally processed, or may be integrally connected by a screw, and the heat can be transmitted well.
  • the plate 5 is mounted on the outer end surface of the heat dissipating ring 2; a secondary leveling element is disposed between the light transmissive plate 5 and the LED lamp 4, and the secondary leveling element of the embodiment adopts an integrally formed reflecting cover group 6 (of course, The reflector cover group 6 is fixedly connected to the heat dissipation substrate 2 through a connecting screw, and the secondary light homogenizer sheet is attached to the inner surface of the light transmission plate 5 by a combination of a separate conical reflector and a secondary homogenizer.
  • an easy-to-dissipate LED lamp of the present invention is basically the same as that of Embodiment 1, and there are two places in different places, and one is a secondary concentrating element which is an integrally formed concentrating lens group 8 (of course also A single concentrating lens can be used, and the concentrating effect can be achieved as well, but the uniformizing effect is poor.
  • the electrodes on the insulating lamp holder 1 are different, and a spiral electrode is used.
  • the utility model When the utility model is specifically used, it can be used as an ordinary lighting head directly as a room, inside and outside illumination, or can be combined into a plurality of LED lamps for room, interior and exterior lighting or lighting decoration.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

一种易散热 LED灯
技术领域
本实用新型涉及 LED灯技术， 更具体地说， 它涉及一种易散热 LED灯。 背景技术
发光二极管是利用半导体通电后的发光性能发光的， 具有功耗低， 使用寿命长 的优点； 目前， 利用发光二极管组合的照明灯具越来越普遍， 但传统的发光二极管 灯体存在散热效果差、灯体中使用的 LED点光源匀光效果差， 刺眼， 光线不够柔和， 组合成灯具时容易形成光斑， 影响照明效果； 因此解决以 LED作为光源的传热和散 热问题以及光源的刺眼和炫目问题成为灯具开发的难点。 实用新型内容
本实用新型要解决的技术问题是针对现有技术的上述不足， 提供一种结构简单、 散热效果好的易散热 LED灯。
本实用新型的技术方案是这样的：一种易散热 LED灯，包括带电极的绝缘灯座， 其中所述的绝缘灯座连接有散热环， 散热环连接散热基板， 在散热基板上设有至少 一个 LED灯， 在 LED灯外侧设有透光板。
上述的一种易散热 LED灯中， 所述的绝缘基座为盖状， 散热环安装在绝缘基座 内， 散热基板通过导热胶与散热环连接， 在绝缘基座下侧部设有至少一个通风口， 透光板设置在绝缘基座的开口部。
上述的一种易散热 LED灯中， 所述的透光板表面设有匀光层。
上述的一种易散热 LED灯中， 所述的透光板与 LED灯之间设有二次匀光元件。 上述的一种易散热 LED灯中， 所述的绝缘灯座连接在散热环后部， 散热基板安 装在散热环内， 透光板安装在散热环外端面。
本实用新型采用上述结构后， 通过在小型 LED灯体设置散热环与散热基板直接 连接， 可以将 LED发光体产生的热量快速散发到周围的空气中， 保证 LED发光体 的正常工作;进一步改进后通过设置二次光学元件对 LED发光体进行进行调光处理， 可以使 LED发光体发出的光线柔和， 不刺眼， 以扩大 LED灯的使用领域。 附图说明
下面结合附图中的实施例对本实用新型作进一步地详细说明， 但不构成对本实 用新型的任何限制。
图 1是本实用新型具体实施例 1的结构示意图；
图 2是本实用新型中散热环的结构示意图之一；
图 3是本实用新型中散热环的结构示意图之二；
图 4是本实用新型具体实施例 2的结构示意图；
图 5是本实用新型具体实施例 3的结构示意图；
图中： 绝缘灯座 1、 通风口 la、 散热环 2、 散热基板 3、 LED灯 4、 透光板 5、 匀光层 5a、 反射罩组 6、 二次匀光片 7、 聚光透镜组 8。 具体实施方式
实施例 1
参阅图 1所示， 本实用新型的一种易散热 LED灯， 包括带电极的绝缘灯座 1， 本实施例中的绝缘基座 1为盖状， 在绝缘灯座 1内连接有散热环 2， 在散热环 2下端 面通过导热胶连接散热基板 3， 散热基板 3可采用传热较好的铝板或铜板， 在散热基 板 3上设有多个 LED灯 4，这样散热基板 3可以将 LED灯工作时的热量及时地传递 给散热环 2; 在绝缘基座 1下侧部均布有 12个通风口 la， 用于向外传热； 在 LED 灯 4外侧设有透光板 5， 透光板 5固定在绝缘基座 1的开口部， 在透光板 5与 LED 灯 4之间设有二次匀光元件， 本实施例的二次匀光元件采用整体成型的反射罩组 6 (当然也可以采用独立的锥形反射罩）， 反射罩组 6通过连接螺杆与散热基板 2固定 连接。
参阅图 3所示， 本实用新型的散热环 2外表面的散热结构， 采用结构为三十二 块向外呈辐射状均匀分布的散热翼片， 当然， 也可以采用如图 4所示的曲面散热翼 片结构， 还可设置成如图 5所示的周向等距排列的环形散热翼片结构， 具体的结构 方式， 可以根据散热的具体要求而定。
实施例 2
参阅图 2所示， 本实用新型的一种易散热 LED灯， 与实施例 1基本相同， 不同 的是没有采用二次匀光元件， 而是直接在透光板 5的内表面设置有匀光层 5a， 匀光 层 5a可以是磨光面、 喷砂处理的点阵面或布纹面， 都能取得匀光效果， 但会降低光 效。
实施例 3
参阅图 5所示， 本实用新型的一种易散热 LED灯， 包括带电极的绝缘灯座 1， 本实施例中的绝缘基座 1直接连接在散热环 2后部， 将散热环 2外露， 便于散热； 散热基板 3安装在散热环 2内， 本实施例中的散热环 2和散热基板 3可以采用整体 加工而成， 也可以采用螺纹连接成整体， 都能较好地传递热量， 透光板 5安装在散 热环 2外端面； 在透光板 5与 LED灯 4之间设有二次匀光元件， 本实施例的二次匀 光元件采用整体成型的反射罩组 6 (当然也可以采用独立的锥形反射罩）和二次匀光 片 Ί的组合， 反射罩组 6通过连接螺杆与散热基板 2固定连接， 二次匀光片 Ί贴在 透光板 5的内表面。
实施例 4
参阅图 6所示， 本实用新型的一种易散热 LED灯， 与实施例 1基本相同， 不同 的地方有两处，一是二次匀光元件为整体成型的聚光透镜组 8 (当然也可以采用单体 的聚光透镜）， 同样可以达到聚光效果， 但匀光效果较差； 二是绝缘灯座 1上的电极 不同， 采用螺旋式电极。
本实用新型具体使用时， 既可作为普通的照明灯头直接用作为室、 内外的照明， 也可以多个组合成各种 LED灯具， 用于室、 内外照明或灯光装饰。

Claims

权利要求书
1. 一种易散热 LED灯， 包括带电极的绝缘灯座 （1 )， 其特征在于， 所述的绝 缘灯座 （1 ) 连接有散热环 （2)， 散热环 （2) 连接散热基板 （3)， 在散热基板 （3) 上设有至少一个 LED灯 （4)， 在 LED灯 （4) 外侧设有透光板 （5)。
2. 根据权利要求 1所述的一种易散热 LED灯， 其特征在于， 所述的绝缘基座
( 1 ) 为盖状， 散热环 （2) 安装在绝缘基座 （1 ) 内， 散热基板 （3) 通过导热胶与 散热环 （2) 连接， 在绝缘基座 （1 ) 下侧部设有至少一个通风口 （la)， 透光板 （5) 设置在绝缘基座 （1 ) 的开口部。
3. 根据权利要求 1或 2所述的一种易散热 LED灯， 其特征在于， 所述的透光 板 （5) 表面设有匀光层 （5a)。
4. 根据权利要求 1或 2所述的一种易散热 LED灯， 其特征在于， 所述的透光 板 （5) 与 LED灯 （4) 之间设有二次匀光元件。
5. 根据权利要求 1所述的一种易散热 LED灯， 其特征在于， 所述的绝缘灯座 ( 1 ) 连接在散热环 （2) 后部， 散热基板 （3) 安装在散热环 （2) 内， 透光板 （5) 安装在散热环 （2) 外端面。
6. 根据权利要求 5所述的一种易散热 LED灯， 其特征在于， 所述的透光板（5) 表面设有匀光层 （5a)。
7. 根据权利要求 5所述的一种易散热 LED灯， 其特征在于， 所述的透光板（5) 与 LED灯 （4) 之间设有二次匀光元件。
PCT/CN2010/074515 2009-09-04 2010-06-25 一种易散热led灯 WO2011026368A1 (zh)

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Publication number Priority date Publication date Assignee Title
CN2876552Y (zh) * 2005-09-16 2007-03-07 林志泽 Led灯具罩体散热结构
CN2893400Y (zh) * 2006-04-12 2007-04-25 深圳市红绿蓝光电科技有限公司 Led灯泡
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CN201190931Y (zh) * 2008-04-28 2009-02-04 南京汉德森科技股份有限公司 大功率led隧道灯
CN201237199Y (zh) * 2008-07-15 2009-05-13 东莞市贻嘉光电科技有限公司 一种led灯

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