WO2014075370A1 - 光向下的led灯泡 - Google Patents

光向下的led灯泡 Download PDF

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Publication number
WO2014075370A1
WO2014075370A1 PCT/CN2012/086782 CN2012086782W WO2014075370A1 WO 2014075370 A1 WO2014075370 A1 WO 2014075370A1 CN 2012086782 W CN2012086782 W CN 2012086782W WO 2014075370 A1 WO2014075370 A1 WO 2014075370A1
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Prior art keywords
light
cover
lamp
lamp cover
half cover
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PCT/CN2012/086782
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English (en)
French (fr)
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文大承
文相弼
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励国实业有限公司
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Publication of WO2014075370A1 publication Critical patent/WO2014075370A1/zh

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    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/10—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by coatings

Definitions

  • the present invention relates to a light downward LED bulb.
  • the light from the fluorescent lamp has a wide range of illumination, which is convenient to use. But the angle of the LED bulb is 120 degrees, so the LED light can shine brightly, but the opposite direction is very dark.
  • the downside is that the lighting effect is not ideal when the bulb is used in an upright installation and requires a downlight to be illuminated.
  • the technical solution of the present invention is the light-down LED bulb, which comprises a screw head, a lamp body and a lamp cover which are integrally connected in sequence, and is special in that the partial inner wall of the curved end portion of the lampshade is covered with reflection.
  • Floor the light-down LED bulb
  • the light reflecting layer is composed of a paint layer for reflection.
  • the light reflecting layer is composed of a patch made of a reflective material.
  • the lamp cover is composed of an upper half cover and a lower half cover which are connected to each other.
  • the light-reflecting material is sprayed on the wall of the lampshade.
  • the lamp cover is composed of a left half cover and a right half cover that are connected to each other.
  • the lamp cover is provided with a heat sink between the left half cover and the right half cover joint of the curved end portion and the lamp body mounting plane.
  • the heat sink is formed by one of a flat shape, a triangular shape and a cross type to divide the inner cavity of the lamp cover into a completely closed or partially closed cavity.
  • the light-down LED bulb which comprises a screw head, a lamp body and a lamp cover which are sequentially connected, which is special in that the lamp cover is connected by adding a reflective material and being connected to each other.
  • the upper half cover and the lower half cover are composed.
  • a further technical solution of the present invention is the light-down LED bulb, comprising a screw head, a lamp body and a lamp cover which are integrally connected in sequence, which is special in that a partial inner wall of the arc end of the lamp cover is covered.
  • a reflective layer is formed; the reflective layer is composed of a patch made of a reflective material; the lampshade is composed of a left half cover and a right half cover; and the lamp cover is located at a left half cover and a right half cover joint portion of the curved end portion.
  • a heat sink is disposed between the lamp body mounting planes; the heat sink is configured to divide the inner cavity of the lampshade into all closed or partially closed cavities by using one of a shape of a shape, a triangle, and a cross; the lamp cover wall Spray light reflective material.
  • this LED is formed by adding a material with a small amount of light reflectivity into the light diffusing material, and the upper lamp cover and the lower lamp cover are integrated; by adjusting the amount of the light diffusing material added to the lamp cover material, the downward light can be adjusted. Make the light angle of the lampshade Downlight from 240 degrees to 300 degrees.
  • this LED is coated with light-reflecting paint on the top of the lampshade, and the concentration can be adjusted as needed to be sprayed and assembled to obtain the desired projection angle.
  • the heat sink is arranged on the LED light bulb structure of the installation plane to play the role of heat dissipation, which solves the problem that the LED light body is difficult to dissipate heat.
  • Figure 1 is a schematic view showing the structure of a first embodiment of an LED bulb of the present invention.
  • FIG. 2 is a schematic view showing the structure of a second embodiment of the LED light bulb of the present invention.
  • Figure 3 is a schematic view showing the structure of a third embodiment of the LED bulb of the present invention.
  • Figure 1 shows a first embodiment of the invention.
  • the light-emitting LED bulb includes a screw head 1 , a lamp body 2 and a lamp cover 3 which are integrally connected in sequence, and a partial inner wall of the arc-shaped end portion of the lamp cover 3 is covered with a reflective layer 4 .
  • the light reflecting layer 4 is selected from a light reflecting layer 4 composed of a reflective paint layer or a light reflecting layer 4 composed of a patch made of a reflective material.
  • the wall of the lampshade 3 is sprayed with a light reflecting material (not shown).
  • the PCB electrical box 5 is installed in the inner cavity of the lamp body 2.
  • the LED light source assembly 6 and the aluminum substrate 7 are arranged on the mounting surface of the lamp body 2.
  • the aluminum substrate 7 and the mounting surface of the lamp body 2 are provided with perforations 8 along the center of the circle, and the PCB electrical box is blocked.
  • the ring 51 penetrates into the through hole 8 from the inner cavity of the lamp body 2.
  • the PCB electrical box retaining ring 51 is a component that conducts the wires on the PCB and connects them to the LED aluminum substrate 7.
  • the material of the lampshade 3 is a glass or plastic PC.
  • Figure 2 shows a second embodiment of the invention.
  • the light-down LED bulb includes a screw head 1 , a lamp body 2 and a lamp cover 3 which are sequentially connected, and the lamp cover 3 is an upper half cover 31 which is provided with a reflective material and is connected to each other.
  • the lower half cover 32 is composed.
  • a PCB electrical box 5 is mounted in the inner cavity of the lamp body 2, and an aluminum substrate 7 and an LED light source assembly 6 are disposed on the mounting surface of the lamp body 2.
  • the aluminum substrate 7 and the mounting surface of the lamp body 2 are provided with perforations 8 along the center of the circle, and the PCB electrical box is blocked.
  • the ring 51 penetrates into the through hole 8 from the inner cavity of the lamp body 2.
  • the PCB electrical box retaining ring 51 is a component that conducts the wires on the PCB and connects them to the LED aluminum substrate 7.
  • the material of the lampshade 3 is a glass or plastic PC.
  • Fig. 3 shows a third embodiment of the invention.
  • the light-down LED bulb includes a screw head 1, a lamp body 2 and a lamp cover 3 which are sequentially connected, and the lamp cover 3 is connected to the left half cover 33 and the right half cover 34.
  • the heat shield 9 is disposed between the joint portion of the left half cover 33 and the right half cover 34 of the curved end portion and the mounting surface of the lamp body 2.
  • the heat sink 9 divides the inner cavity of the globe 3 into a completely closed cavity by a cross-shaped structure.
  • the partial inner wall of the arcuate end portion of the lampshade 3 is covered with a light reflecting layer 4, and the light reflecting layer 4 is selected from a light reflecting layer 4 composed of a reflective paint layer or a reflective layer 4 composed of a patch made of a reflective material.
  • the wall of the lampshade 3 is sprayed with a light reflecting material (not shown).
  • a PCB electrical box 5 is mounted in the inner cavity of the lamp body 2, and an aluminum substrate 7 and an LED light source assembly 6 are disposed on the mounting surface of the lamp body 2.
  • the aluminum substrate 7 and the mounting surface of the lamp body 2 are provided with perforations 8 along the center of the circle, and the PCB electrical box is blocked.
  • the ring 51 penetrates into the through hole 8 from the inner cavity of the lamp body 2.
  • the PCB electrical box retaining ring 51 is a component that conducts the wires on the PCB and connects them to the LED aluminum substrate 7.
  • the material of the lampshade 3 is a glass or plastic PC.

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

Abstract

一种光向下的LED灯泡，包括依序连为一体的螺头（1）、灯体（2）和灯罩（3），该灯罩（3）弧形端部的局部内壁覆设反光层（4）；该反光层（4）由反射材料制成的贴片构成；灯罩（3）位于弧形端部的左半罩（33）、右半罩（34）结合部与灯体（2）安装平面之间设有散热片（9）。该LED灯泡通过在灯罩（3）弧形端部的局部内壁覆设反光层（4）以使光折射后向下照亮。

Description

光向下的LED灯泡 技术领域
本发明涉及一种 光向下的LED灯泡 。
背景技术
日光灯的光线上下照射面很广，在哪里使用都很方便。但LED球泡的光线角度是120度，所以LED光线能照到的地方很亮，但相反的方向则光线很暗。其不足之处在于：灯泡在下进行直立安装并要求灯光向下照射的台灯中使用时,照明效果不理想。
技术问题
本发明的目的是提供一种通过在灯罩弧形端部的局部内壁覆设反光层以使光折射后向下照亮的LED灯泡。
技术解决方案
本发明的技术解决方案是所述光向下的LED灯泡，包括依序连为一体的螺头、灯体和灯罩，其特殊之处在于：所述灯罩弧形端部的局部内壁覆设反光层。
作为优选：所述反光层由反射用油漆层构成。
作为优选：所述反光层由反射材料制成的贴片构成。
作为优选：所述灯罩由相互连接的上半罩、下半罩组成。
作为优选：所述灯罩壁上喷覆光反射材料。
作为优选：所述灯罩由相互连接的左半罩、右半罩构成。
作为优选：所述灯罩位于弧形端部的左半罩、右半罩结合部与灯体安装平面之间设有散热片。
作为优选：所述散热片选用一字型、三角型、十字型的其中一种结构将灯罩内腔分割成全部封闭或者部分封闭的腔体。
本发明的另一技术解决方案是所述光向下的LED灯泡，包括依序连为一体的螺头、灯体和灯罩，其特殊之处在于：所述灯罩由添加反射材料并相互连接的上半罩、下半罩组成。
本发明的再一技术解决方案是所述光向下的LED灯泡，包括依序连为一体的螺头、灯体和灯罩，其特殊之处在于：所述灯罩弧形端部的局部内壁覆设反光层；所述反光层由反射材料制成的贴片构成；所述灯罩由左半罩、右半罩构成；所述灯罩位于弧形端部的左半罩、右半罩结合部与灯体安装平面之间设有散热片；所述散热片选用一字型、三角型、十字型的其中一种结构将灯罩内腔分割成全部封闭或者部分封闭的腔体；所述灯罩壁上喷覆光反射材料。
 有益效果
与现有技术相比，本发明的优点：
1 、本 LED 灯泡通过将微量光反射率很好的材料加入光扩散材料里成型制造，并使上灯罩与下灯罩成为一体；通过调整灯罩材料里加入的光扩散材料的数量，则可以调节向下的光线。使灯罩的光线角度获得 240 度至 300 度的向下光线。
2 、本 LED 灯泡在灯罩上面嘞涂光反射用油漆，可以根据需要来调整浓度来喷油漆后组装，就能获得所需投射角度的光线。
3 、散热片设置在安装平面的LED灯泡结构，起到散热作用，解决了LED灯体小散热难的问题。
 附图说明
图 1 是本发明 LED 灯泡第一种实施例的结构示意图。
图 2 是本发明 LED 灯泡第二种实施例的结构示意图。
图3是本发明LED灯泡第三种实施例的结构示意图。
 本发明的最佳实施方式
本发明下面将结合附图作进一步详述：
图1示出了本发明的第一个实施例。
请参阅图1所示，该光向下的LED灯泡，包括依序连为一体的螺头1、灯体2和灯罩3，该灯罩3弧形端部的局部内壁覆设反光层4，所述反光层4选用由反射用油漆层构成的反光层4或者选用由反射材料制成的贴片构成的反光层4。而灯罩3壁上喷覆有光反射材料(图中未示)。灯体2内腔中装入PCB电器盒5，灯体2安装平面上设有LED光源组件6和铝基板7，铝基板7与灯体2安装平面沿圆心开设有穿孔8，PCB电器盒挡圈51自灯体2内腔穿入该穿孔8之中，PCB电器盒挡圈51是将PCB上的电线传导出来，接到LED铝基板7上的部件。灯罩3的材质是玻璃或塑胶类的PC。
 本发明的实施方式
图2示出了本发明的第二个实施例。
请参阅图2所示，该光向下的LED灯泡，包括依序连为一体的螺头1、灯体2和灯罩3，所述灯罩3由添加反射材料并相互连接的上半罩31、下半罩32组成。灯体2内腔中装入PCB电器盒5，灯体2安装平面上设有铝基板7和LED光源组件6，铝基板7与灯体2安装平面沿圆心开设有穿孔8，PCB电器盒挡圈51自灯体2内腔穿入该穿孔8之中，PCB电器盒挡圈51是将PCB上的电线传导出来，接到LED铝基板7上的部件。灯罩3的材质是玻璃或塑胶类的PC。
图3示出了本发明的第三个实施例。
请参阅图3所示，该光向下的LED灯泡，包括依序连为一体的螺头1、灯体2和灯罩3，所述灯罩3由相互连接的左半罩33、右半罩34构成。灯罩3位于弧形端部的左半罩33、右半罩34的结合部与灯体2安装平面之间设有散热片9。散热片9由十字型结构将灯罩3内腔分割成全部封闭的腔体。该灯罩3弧形端部的局部内壁覆设反光层4，所述反光层4选用由反射用油漆层构成的反光层4或者选用由反射材料制成的贴片构成的反光层4。而灯罩3壁上喷覆有光反射材料(图中未示)。灯体2内腔中装入PCB电器盒5，灯体2安装平面上设有铝基板7和LED光源组件6，铝基板7与灯体2安装平面沿圆心开设有穿孔8，PCB电器盒挡圈51自灯体2内腔穿入该穿孔8之中，PCB电器盒挡圈51是将PCB上的电线传导出来，接到LED铝基板7上的部件。灯罩3的材质是玻璃或塑胶类的PC。
以上所述仅为本发明的较佳实施例，凡依本发明权利要求范围所做的均等变化与修饰，皆应属本发明权利要求的涵盖范围 。
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Claims (10)

  1. 一种光向下的LED灯泡，包括依序连为一体的螺头、灯体和灯罩，其特征在于：所述灯罩弧形端部的局部内壁覆设反光层。
  2. 根据权利要求1所述光向下的LED灯泡，其特征在于：所述反光层由反射用油漆层构成。
  3. 根据权利要求1所述光向下的LED灯泡，其特征在于：所述反光层由反射材料制成的贴片构成。
  4. 根据权利要求1所述光向下的LED灯泡，其特征在于：所述灯罩由相互连接的上半罩、下半罩组成。
  5. 根据权利要求4所述光向下的LED灯泡，其特征在于：所述灯罩壁上喷覆光反射材料。
  6. 根据权利要求1所述光向下的LED灯泡，其特征在于：所述灯罩由相互连接的左半罩、右半罩构成。
  7. 根据权利要求6所述光向下的LED灯泡，其特征在于：所述灯罩位于弧形端部的左半罩、右半罩结合部与灯体安装平面之间设有散热片。
  8. 根据权利要求7所述光向下的LED灯泡，其特征在于：所述散热片选用一字型、三角型、十字型的其中一种结构将灯罩内腔分割成全部封闭或者部分封闭的腔体。
  9. 一种光向下的LED灯泡，包括依序连为一体的螺头、灯体和灯罩，其特征在于：所述灯罩由添加反射材料并相互连接的上半罩、下半罩组成。
  10. 一种光向下的LED灯泡，包括依序连为一体的螺头、灯体和灯罩，其特征在于：所述灯罩弧形端部的局部内壁覆设反光层；所述反光层由反射材料制成的贴片构成；所述灯罩由左半罩、右半罩构成；所述灯罩位于弧形端部的左半罩、右半罩结合部与灯体安装平面之间设有散热片；所述散热片选用一字型、三角型、十字型的其中一种结构将灯罩内腔分割成全部封闭或者部分封闭的腔体；所述灯罩壁上喷覆光反射材料。
PCT/CN2012/086782 2012-11-16 2012-12-17 光向下的led灯泡 WO2014075370A1 (zh)

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CN2012206068502U CN202852562U (zh) 2012-11-16 2012-11-16 光向下的led灯泡
CN201220606850.2 2012-11-16

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2525674Y (zh) * 2002-01-20 2002-12-11 万平 一种聚光节能灯泡
CN201011427Y (zh) * 2007-02-02 2008-01-23 管香丽 台灯
CN201688193U (zh) * 2010-05-07 2010-12-29 戴高峰 一种防止led光源辐射的灯具
JP2011044356A (ja) * 2009-08-21 2011-03-03 Daishi Densetsu Kk Ｌｅｄ電球
CN201994265U (zh) * 2010-12-21 2011-09-28 东莞市美源照明科技有限公司 一种节能型卤钨灯
CN102537688A (zh) * 2010-12-09 2012-07-04 胡利恒 室内led灯

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2525674Y (zh) * 2002-01-20 2002-12-11 万平 一种聚光节能灯泡
CN201011427Y (zh) * 2007-02-02 2008-01-23 管香丽 台灯
JP2011044356A (ja) * 2009-08-21 2011-03-03 Daishi Densetsu Kk Ｌｅｄ電球
CN201688193U (zh) * 2010-05-07 2010-12-29 戴高峰 一种防止led光源辐射的灯具
CN102537688A (zh) * 2010-12-09 2012-07-04 胡利恒 室内led灯
CN201994265U (zh) * 2010-12-21 2011-09-28 东莞市美源照明科技有限公司 一种节能型卤钨灯

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