WO2014067329A1 - Led lamp tube with large light-emitting angle - Google Patents

Led lamp tube with large light-emitting angle Download PDF

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Publication number
WO2014067329A1
WO2014067329A1 PCT/CN2013/082389 CN2013082389W WO2014067329A1 WO 2014067329 A1 WO2014067329 A1 WO 2014067329A1 CN 2013082389 W CN2013082389 W CN 2013082389W WO 2014067329 A1 WO2014067329 A1 WO 2014067329A1
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WO
WIPO (PCT)
Prior art keywords
led lamp
pcb
aluminum alloy
alloy profile
designed
Prior art date
Application number
PCT/CN2013/082389
Other languages
French (fr)
Chinese (zh)
Inventor
李国培
张俊
黄鹤鸣
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深圳市聚作照明股份有限公司
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Publication of WO2014067329A1 publication Critical patent/WO2014067329A1/en

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Classifications

    • 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
    • F21K9/27—Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F21V19/0045—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by tongue and groove connections, e.g. dovetail interlocking means fixed by sliding
    • 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
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • 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]

Definitions

  • the invention relates to the technical field of LED lamps, and in particular to a LED tube with large angle illumination. Background technique
  • LED semiconductor lighting is the third revolution in the field of human lighting. Compared with traditional light sources such as fluorescent lamps and incandescent lamps, LED lighting has the characteristics of high luminous efficiency, energy saving and environmental protection, long life, high safety factor and green environmental protection. Along with China's measures to promote the development of the semiconductor lighting industry, it has launched green lighting engineering and semiconductor lighting engineering, identified LED semiconductor lighting products as key development areas, and gradually developed LED semiconductor lighting as the main lighting system. Therefore, LED semiconductors Lighting technology has undergone unprecedented reforms and developments.
  • Fluorescent lamps are gradually replaced by LED tubes because of their low luminous efficiency, poor energy conservation, and harmful substances inside them.
  • most of the LED lamps appearing on the market are single-sided, and their illumination angles and applications are limited.
  • the LED illuminators are all PCB boards or flexible circuit boards, and the surface thereof is not specially treated, resulting in LEDs. When the light is reflected on the PCB board or the flexible circuit board, it cannot be reflected back to the illuminated surface again, which affects the light effect.
  • the illuminated T 12 LED tube mainly comprises two lampshades, two LED assemblies and an aluminum shell for heat dissipation, and the aluminum shell is provided with card slots on both sides thereof, the card slot is used for mounting the LED assembly, the top of the aluminum shell and A heat sink fin is provided at the bottom.
  • the disclosed double-sided light-emitting T12 LED tube has the following problems: using two lamp covers on one hand, it is not easy to install, the device process is time consuming, and the LED
  • the present invention provides a LED tube with high-angle illumination, high luminous efficiency and simple process. .
  • the technical solution adopted by the present invention to solve the technical problem thereof is:
  • a LED lamp with a large angle of illumination mainly comprises a PC cover and a plug disposed at both ends of the PC cover, and further comprises an aluminum alloy profile, wherein the aluminum alloy profile is a hollow triangular cylinder having three faces, Each surface is designed with a U-shaped groove with a card slot, and a plurality of spherical concave-convex curved surfaces are designed at the ends of each corner; a PCB assembly including an elongated PCB aluminum substrate and a surface thereof A plurality of LEDs are arranged and fixed on the upper surface, and a thin silver layer is plated on the surface of the PCB aluminum substrate and the LED is fixed.
  • the PC cover is a transparent or translucent curved body having a section angle of 83 degrees, and a fixed card is designed along the length direction and on both sides.
  • the number of the PCB assemblies is three, which are respectively disposed in the U-shaped grooves of the three faces of the aluminum alloy profile.
  • a thin thermal conductive silica gel layer is further coated between the PCB component and the aluminum alloy profile.
  • the hollow structure of the aluminum alloy profile is a triangular cavity.
  • the two ends of the aluminum alloy profile are also designed with two screw holes, one of which is designed on the back side of a U-shaped groove, and the other screw hole is designed in a corner of the hollow body. .
  • the invention provides a large-angle illumination LED tube, which has the beneficial effects of: 1. Designing a hollow triangular cylinder having three faces, and designing U on each face The groove is arranged in the U-shaped groove to realize 360 ° large-angle illumination.
  • FIG. 1 is an enlarged cross-sectional view showing a PCB assembly according to an embodiment of the present invention.
  • 2 is a schematic cross-sectional view showing an aluminum alloy profile according to an embodiment of the present invention.
  • 3 is a schematic cross-sectional view of an embodiment of the present invention.
  • the present invention provides a LED lamp of a large angle illumination, which mainly comprises a PC cover (30), a plug (not shown in the drawings), an aluminum alloy profile (20) and a PCB assembly (10).
  • the PCB assembly (10) is fixed in the U-shaped groove of the aluminum alloy profile (20), and then the PC cover (30) is fixed directly above the PCB assembly (10), and finally the plug is fastened to the PC cover by screws.
  • the plug is fastened to the PC cover by screws.
  • the PC cover (30) is injection molded from a material of a strong insulating, non-toxic, highly transparent thermoplastic, referred to as polycarbonate. Strong insulation, can prevent electric shock, ensure safety; non-toxic, can guarantee environmental protection, does not affect environmental pollution; highly transparent, To increase the brightness of light.
  • the shape of the PC cover (30) is a transparent or translucent arcuate body having a section angle of 83 degrees, and a fixing card is designed along the length direction and on both sides, and the fixing card can cover the PC cover. Fasten the aluminum alloy profile to ensure it does not fall off and fix it.
  • the number of the PCB components (10) is three, and includes an elongated PCB aluminum substrate (13) and is arranged and fixed on the surface of the PCB aluminum substrate (13).
  • the plurality of LEDs (11) further includes a thin silver layer (12) plated on the surface of the PCB aluminum substrate (13) and the LED is fixed.
  • the LED (11) is fixed on the PCB aluminum substrate (13) by SMT, and has a straight line structure along the length direction of the PCB aluminum substrate (13); except for the position for fixing the LED, the rest of the surface
  • the position is entirely plated with a thin silver layer (12), and the silver layer (12) is smooth and flat, and is used to reflect the light energy reflected back to the surface of the aluminum substrate to the illuminated surface again, ensuring that the light energy emitted by the LED (11) is maximized.
  • the degree of exposure to the illuminated surface improves the utilization of light, thereby greatly improving the luminous efficiency.
  • the aluminum alloy profile (20) is designed as a triangular cylinder having three faces in the hollow, and the hollow structural shape is a triangular cavity (23).
  • the interior of the aluminum alloy profile (20) is designed as a hollow triangular cavity structure, which facilitates the rapid conduction of heat generated by the LED (11) during operation, reduces the temperature of the LED (11), and improves the service life;
  • the hollow structure is simple and beautiful.
  • a U-shaped groove (21) having a card slot is designed on three faces of the aluminum alloy profile (20), and the U-shaped groove (21) is designed to facilitate mounting of the PCB assembly (10); and in the U-shaped A card slot is formed on both sides of the bottom of the slot, and the card slot can fix the PCB assembly (10) to ensure that the PCB assembly (10) is not tilted, and the whole is in a horizontal plane, and the generated light is irradiated to the illuminated surface.
  • a plurality of spherical concave and convex curved surfaces (23) are also designed.
  • thermal silica gel is first applied between the aluminum alloy profile (20) and the PCB assembly (10).
  • the thermally conductive silicone layer not only functions as a heat conductor but also has the function of fixing the PCB assembly (10).
  • two ends of the aluminum alloy profile (20) are also designed with two screw holes.
  • One of the screw holes is designed on the back of one U-shaped groove, and the other screw hole is designed in one corner of the hollow triangular cavity.
  • the screw holes are used for screwing plugs and aluminum alloy profiles (20) and PC covers (30).
  • the invention provides a LED tube with large angle illumination, by designing an aluminum alloy profile (20) with a triangular cylinder of a hollow triangular cavity with three faces, and designing a U-shaped groove on each face and mounting the surface arrangement
  • a PCB aluminum substrate (13) with LED (11) enables 360° wide-angle illumination.
  • a thin silver layer (12) is plated on the surface of the PCB aluminum substrate (13), and the light energy reflected back to the surface of the PCB aluminum substrate (13) is reflected again toward the illuminated surface to ensure the maximum light energy emitted by the LED (11)
  • the degree of exposure to the illuminated surface improves the utilization of light and further improves the luminous efficiency.

Landscapes

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

Abstract

Disclosed is an LED lamp tube with a large light-emitting angle, belonging to the field of LED lamp tubes. The LED lamp tube mainly comprises a PC cover (30) and plugs arranged at both ends of the PC cover (30), and further comprises an aluminum alloy profile (20) and a PCB assembly (10), wherein the aluminum alloy profile is a hollow triangular cylinder provided with three faces, a U-shaped groove provided with a clamping groove is provided on each face, and a plurality of convex-concave cambered faces (23) in a spherical surface shape are provided on the end portion of each angle; the PCB assembly (10) comprises a long strip-shaped PCB aluminum substrate (13) and a plurality of LEDs (11) which are arranged on the surface thereof and fixedly connected therewith, and also comprises a thin silver-plated layer (12) on the surface of the PCB aluminum substrate (13), fixedly connected with the LEDs (11). The LED lamp tube has a large light-emitting angle, can achieve 360° light-emission, has a high light utilization rate and light efficiency, has a simple structural process, and is capable of being mass-produced.

Description

一种大角度发光的 LED灯管  LED lamp with large angle illumination
技术领域 Technical field
本发明涉及 LED灯管技术领域，尤其涉及一种大角度发光的 LED灯管。 背景技术  The invention relates to the technical field of LED lamps, and in particular to a LED tube with large angle illumination. Background technique
LED半导体照明是人类照明领域的第三次革命，与传统光源如荧光灯、 白炽灯相比， LED照明具有发光效率高、节能环保、寿命长、安全系数高、 绿色环保等特点。 伴随着我国采取一系列推动半导体照明产业发展的措施， 先后启动了绿色照明工程、 半导体照明工程， 确定 LED半导体照明产品为 重点发展领域， 将 LED半导体照明逐步发展为主照明系统， 因此， LED半 导体照明技术得到前所未有的改革和发展。  LED semiconductor lighting is the third revolution in the field of human lighting. Compared with traditional light sources such as fluorescent lamps and incandescent lamps, LED lighting has the characteristics of high luminous efficiency, energy saving and environmental protection, long life, high safety factor and green environmental protection. Along with China's measures to promote the development of the semiconductor lighting industry, it has launched green lighting engineering and semiconductor lighting engineering, identified LED semiconductor lighting products as key development areas, and gradually developed LED semiconductor lighting as the main lighting system. Therefore, LED semiconductors Lighting technology has undergone unprecedented reforms and developments.
由于荧光灯管光效低、 节能性差， 而且其内部具有有害物质而不 利于环保； 因此， 其逐步被 LED灯管所取代。 但是目前市场上出现的 LED 灯管多数单面发光， 其发光角度和应用场合受到限制， 同时用于 承接 LED发光体都是 PCB板或者柔性线路板， 其表面没有经过特殊处 理， 导致 LED产生的光反射到 PCB板或者柔性线路板上时， 无法再次 反射回受照面， 影响光效。  Fluorescent lamps are gradually replaced by LED tubes because of their low luminous efficiency, poor energy conservation, and harmful substances inside them. However, most of the LED lamps appearing on the market are single-sided, and their illumination angles and applications are limited. At the same time, the LED illuminators are all PCB boards or flexible circuit boards, and the surface thereof is not specially treated, resulting in LEDs. When the light is reflected on the PCB board or the flexible circuit board, it cannot be reflected back to the illuminated surface again, which affects the light effect.
为了解决发光角度的问题， 有发明人提出了一种双面发光的 T 12LED灯管， 所述的双面发光的 T12LED灯管为 CN201210079306. 1所 公开， CN201210079306. 1所公开的这种双面发光的 T 12 LED灯管主要 包括两个灯罩、 两个 LED组件和用于散热的铝壳， 铝壳的两侧设有卡 槽， 所述卡槽用于安装 LED 组件， 铝壳的顶部和底部设置有散热鳍。 CN201210079306. 1 所公开的这种双面发光的 T12LED灯管存在的问题 在于： 一方面使用两个灯罩， 不易安装， 装置过程费时， 并且该 LED In order to solve the problem of the illuminating angle, the inventors have proposed a double-sided illuminating T 12 LED tube, which is disclosed in CN201210079306. The illuminated T 12 LED tube mainly comprises two lampshades, two LED assemblies and an aluminum shell for heat dissipation, and the aluminum shell is provided with card slots on both sides thereof, the card slot is used for mounting the LED assembly, the top of the aluminum shell and A heat sink fin is provided at the bottom. CN201210079306. 1 The disclosed double-sided light-emitting T12 LED tube has the following problems: using two lamp covers on one hand, it is not easy to install, the device process is time consuming, and the LED
：) 管具有散热鳍的两侧光线暗， 存在两侧亮两侧暗的问题； 发明内容 为了解决上述存在的技术问题，本发明提供一种大角度发光、高光效、 工艺简单的 LED灯管。 本发明解决其技术问题所采用的技术方案是： :) The tube has darkness on both sides of the heat-dissipating fin, and there is a problem that both sides are bright on both sides. SUMMARY OF THE INVENTION In order to solve the above-mentioned technical problems, the present invention provides a LED tube with high-angle illumination, high luminous efficiency and simple process. . The technical solution adopted by the present invention to solve the technical problem thereof is:
一种大角度发光的 LED灯管， 主要包括 PC罩和设置于 PC罩两端的堵 头， 还包括一铝合金型材， 所述铝合金型材是一种具有三个面的中空的三 角柱体， 在每个面上设计一具有卡槽的 U型槽， 在每个角的端部设计若干 个球面形的凹凸弧面； PCB组件， 所述 PCB组件包括长条形的 PCB铝基板 和在其表面上排布并固接有复数个 LED, 还包括在所述 PCB铝基板且固接 有 LED所在的表面上镀一薄银层。  A LED lamp with a large angle of illumination mainly comprises a PC cover and a plug disposed at both ends of the PC cover, and further comprises an aluminum alloy profile, wherein the aluminum alloy profile is a hollow triangular cylinder having three faces, Each surface is designed with a U-shaped groove with a card slot, and a plurality of spherical concave-convex curved surfaces are designed at the ends of each corner; a PCB assembly including an elongated PCB aluminum substrate and a surface thereof A plurality of LEDs are arranged and fixed on the upper surface, and a thin silver layer is plated on the surface of the PCB aluminum substrate and the LED is fixed.
作为本发明的优选技术方案， 所述 PC罩为透明或半透明的、截面角度 为 83度的弧面体， 并且沿着长度方向且在两侧设计有固定卡。  As a preferred technical solution of the present invention, the PC cover is a transparent or translucent curved body having a section angle of 83 degrees, and a fixed card is designed along the length direction and on both sides.
作为本发明的优选技术方案， 所述 PCB组件的数量为三个， 分别设置 在所述铝合金型材的三个面的 U型槽内。 作为本发明的优选技术方案， 所述 PCB组件与所述铝合金型材之间还 涂有一薄导热硅胶层。 作为本发明的优选技术方案，所述铝合金型材的中空结构为三角腔体。 作为本发明的优选技术方案， 所述铝合金型材的两端还设计有两个螺 孔， 其中一螺孔设计在一 U型槽的背面， 另一螺孔设计在中空腔体的一个 角内。  As a preferred technical solution of the present invention, the number of the PCB assemblies is three, which are respectively disposed in the U-shaped grooves of the three faces of the aluminum alloy profile. As a preferred technical solution of the present invention, a thin thermal conductive silica gel layer is further coated between the PCB component and the aluminum alloy profile. As a preferred technical solution of the present invention, the hollow structure of the aluminum alloy profile is a triangular cavity. As a preferred technical solution of the present invention, the two ends of the aluminum alloy profile are also designed with two screw holes, one of which is designed on the back side of a U-shaped groove, and the other screw hole is designed in a corner of the hollow body. .
本发明所提供的一种大角度发光的 LED灯管， 其产生的有益效果是： 1、 通过设计具有三个面的中空的三角柱体， 并且在每个面上设计 U 型槽， 在 U型槽内设置 PCB组件， 实现 360 ° 大角度发光。 The invention provides a large-angle illumination LED tube, which has the beneficial effects of: 1. Designing a hollow triangular cylinder having three faces, and designing U on each face The groove is arranged in the U-shaped groove to realize 360 ° large-angle illumination.
2、 在 PCB铝基板的表面上镀一薄银层， 实现反射回到 PCB铝基板表 面的光能再次反射向受照面的目的， 确保 LED发出的光能最大程度的 射向受照面， 提高光的利用率， 进一步提高发光效率。 2. Plating a thin silver layer on the surface of the PCB aluminum substrate, and reflecting the light energy reflected back to the surface of the PCB aluminum substrate to the illuminated surface again, ensuring that the light emitted by the LED is directed to the illuminated surface to the maximum extent, and the light is raised. The utilization rate further improves the luminous efficiency.
3、 结构工艺简单， 能大批量生产。 附图说明 图 1为本发明实施例的 PCB组件的截面放大示意图。 图 2为本发明实施例的铝合金型材的截面结构示意图。 图 3为本发明实施例的截面结构示意图。 附图标记说明： 10、 PCB组件， 11、 LED , 12、 银层， 13、 PCB铝基 板， 20、 铝合金型材， 21、 U 型槽， 22、 凹凸弧面， 23、 三角腔体， 24、 螺孔， 30、 PC罩。 具体实施方式 下面结合附图和实施例对本发明进一步详细说明。 参照附图， 本发明提供一种大角度发光的 LED灯管， 主要包括 PC罩 ( 30)、 堵头 （附图中未显示）、 铝合金型材 （20 ) 和 PCB组件 （10)。 具 体的将 PCB组件 （10 ) 固定在铝合金型材 （20 ) 的 U型槽内， 然后在 PCB 组件 （10 ) 的正上方固定 PC罩 （30)， 最后将堵头通过螺丝紧固在 PC罩 ( 30 ) 两端并固定住铝合金型材 （20)。 本发明实施例中， 所述 PC罩 （30)， 是由一种强绝缘性、 无毒、 高度 透明的热塑性塑料， 简称聚碳酸酯的材料注塑而成。 强绝缘性， 可以防止 触电， 确保安全； 无毒， 可以保证环保， 不影响环境污染； 高度透明， 可 以提高光的亮度。 所述 PC罩（30) 的形状结构为透明或半透明的、 截面角 度为 83度的弧面体， 并且沿着长度方向且在两侧设计有固定卡， 所述固定 卡可以将所述 PC罩紧固在铝合金型材， 确保不脱落， 起到固定作用。 3, the structure process is simple, can be mass-produced. BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is an enlarged cross-sectional view showing a PCB assembly according to an embodiment of the present invention. 2 is a schematic cross-sectional view showing an aluminum alloy profile according to an embodiment of the present invention. 3 is a schematic cross-sectional view of an embodiment of the present invention. DESCRIPTION OF REFERENCE NUMERALS: 10, PCB assembly, 11, LED, 12, silver layer, 13, PCB aluminum substrate, 20, aluminum alloy profile, 21, U-groove, 22, concave and convex curved surface, 23, triangular cavity, 24 , screw hole, 30, PC cover. DETAILED DESCRIPTION OF THE INVENTION The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Referring to the drawings, the present invention provides a LED lamp of a large angle illumination, which mainly comprises a PC cover (30), a plug (not shown in the drawings), an aluminum alloy profile (20) and a PCB assembly (10). Specifically, the PCB assembly (10) is fixed in the U-shaped groove of the aluminum alloy profile (20), and then the PC cover (30) is fixed directly above the PCB assembly (10), and finally the plug is fastened to the PC cover by screws. ( 30 ) Fix the aluminum alloy profile (20) at both ends. In the embodiment of the present invention, the PC cover (30) is injection molded from a material of a strong insulating, non-toxic, highly transparent thermoplastic, referred to as polycarbonate. Strong insulation, can prevent electric shock, ensure safety; non-toxic, can guarantee environmental protection, does not affect environmental pollution; highly transparent, To increase the brightness of light. The shape of the PC cover (30) is a transparent or translucent arcuate body having a section angle of 83 degrees, and a fixing card is designed along the length direction and on both sides, and the fixing card can cover the PC cover. Fasten the aluminum alloy profile to ensure it does not fall off and fix it.
本发明实施例中， 所述 PCB组件 （10) 的数量为三个， 其包括长条形 的 PCB铝基板 （13) 和在所述 PCB铝基板 （13) 的表面上排布并固接有复 数个 LED (11)， 还包括在所述 PCB铝基板 （13) 且固接有 LED所在的表面 上镀一薄银层（12)。所述 LED (11)通过 SMT固定在所述 PCB铝基板（ 13) 上， 沿着 PCB铝基板（13)的长度方向成一条直线结构； 除了用于固接 LED 的位置外， 该表面的其余位置全部镀一薄银层 （12)， 并且所述银层 （12) 平整光滑，用于将反射回到铝基板表面的光能再次反射向受照面，确保 LED (11) 发出的光能最大程度的射向受照面， 提高光的利用率， 从而大大提 高发光效率。  In the embodiment of the present invention, the number of the PCB components (10) is three, and includes an elongated PCB aluminum substrate (13) and is arranged and fixed on the surface of the PCB aluminum substrate (13). The plurality of LEDs (11) further includes a thin silver layer (12) plated on the surface of the PCB aluminum substrate (13) and the LED is fixed. The LED (11) is fixed on the PCB aluminum substrate (13) by SMT, and has a straight line structure along the length direction of the PCB aluminum substrate (13); except for the position for fixing the LED, the rest of the surface The position is entirely plated with a thin silver layer (12), and the silver layer (12) is smooth and flat, and is used to reflect the light energy reflected back to the surface of the aluminum substrate to the illuminated surface again, ensuring that the light energy emitted by the LED (11) is maximized. The degree of exposure to the illuminated surface improves the utilization of light, thereby greatly improving the luminous efficiency.
本发明实施例中， 所述铝合金型材 （20) 设计成一种具有三个面的中 空的三角柱体， 并且所述中空的结构形状为三角腔体 （23)。 将所述铝合 金型材 （20) 的内部设计成中空三角腔体结构， 有利于将 LED (11) 工作 时产生的热量能迅速向外传导， 降低 LED (11) 的温度， 提高使用寿命； 同时中空结构结构简单， 美观。 在所述铝合金型材 （20) 的三个面上都设 计有一具有卡槽的 U型槽（21)，设计 U型槽（21 )便于安装 PCB组件（10); 并在在所述 U型槽的底部两侧设计有一卡槽， 所述卡槽能固定所述 PCB组 件 （10)， 确保所述 PCB组件 （10) 不翘起， 整体处于水平面上， 产生的 光照射向受照面。在每个角的端部还设计有若干个球面形的凹凸弧面（ 23 )。 当将 PCB组件 （10) 置于铝合金型材 （20) 的 U型槽 （21) 内时， 先在所 述铝合金型材 （20) 和所述 PCB组件 （10) 之间涂一薄导热硅胶层； 所述 导热硅胶层不仅能起到导热作用， 还具有固定所述 PCB组件 （10) 作用。  In an embodiment of the invention, the aluminum alloy profile (20) is designed as a triangular cylinder having three faces in the hollow, and the hollow structural shape is a triangular cavity (23). The interior of the aluminum alloy profile (20) is designed as a hollow triangular cavity structure, which facilitates the rapid conduction of heat generated by the LED (11) during operation, reduces the temperature of the LED (11), and improves the service life; The hollow structure is simple and beautiful. A U-shaped groove (21) having a card slot is designed on three faces of the aluminum alloy profile (20), and the U-shaped groove (21) is designed to facilitate mounting of the PCB assembly (10); and in the U-shaped A card slot is formed on both sides of the bottom of the slot, and the card slot can fix the PCB assembly (10) to ensure that the PCB assembly (10) is not tilted, and the whole is in a horizontal plane, and the generated light is irradiated to the illuminated surface. At the end of each corner, a plurality of spherical concave and convex curved surfaces (23) are also designed. When the PCB assembly (10) is placed in the U-shaped groove (21) of the aluminum alloy profile (20), a thin thermal silica gel is first applied between the aluminum alloy profile (20) and the PCB assembly (10). The thermally conductive silicone layer not only functions as a heat conductor but also has the function of fixing the PCB assembly (10).
在本发明实施例中，所述铝合金型材（20)的两端还设计有两个螺孔， 其中一螺孔设计在一 U型槽的背面， 另一螺孔设计在中空三角腔体的一个 角内。 所述螺孔用于螺丝固定堵头和铝合金型材 （20) 和 PC罩 （30)。 In the embodiment of the present invention, two ends of the aluminum alloy profile (20) are also designed with two screw holes. One of the screw holes is designed on the back of one U-shaped groove, and the other screw hole is designed in one corner of the hollow triangular cavity. The screw holes are used for screwing plugs and aluminum alloy profiles (20) and PC covers (30).
本发明提供一种大角度发光的 LED灯管， 通过将铝合金型材 （20) 设 计具有三个面的中空三角腔体的三角柱体， 并且在每个面上设计 U型槽并 安装表面排布有 LED (11) 的 PCB铝基板 （13)， 实现 360° 大角度发光。 在 PCB铝基板 （13) 的表面镀一薄银层 （12)， 实现反射回到 PCB铝基板 (13) 表面的光能再次反射向受照面的目的， 确保 LED (11) 发出的光能 最大程度的射向受照面， 提高光的利用率， 进一步提高发光效率。 以上所述实施例仅表达了本发明的实施方式， 其描述较为具体与详细， 但并不能因此而理解为对本发明范围的限制。 应当指出的是， 对于本领域 的普通技术人员来说， 在不脱离本发明构思的前提下， 还可以做出若干变 形和改进， 这些都属于本发明的保护范围。  The invention provides a LED tube with large angle illumination, by designing an aluminum alloy profile (20) with a triangular cylinder of a hollow triangular cavity with three faces, and designing a U-shaped groove on each face and mounting the surface arrangement A PCB aluminum substrate (13) with LED (11) enables 360° wide-angle illumination. A thin silver layer (12) is plated on the surface of the PCB aluminum substrate (13), and the light energy reflected back to the surface of the PCB aluminum substrate (13) is reflected again toward the illuminated surface to ensure the maximum light energy emitted by the LED (11) The degree of exposure to the illuminated surface improves the utilization of light and further improves the luminous efficiency. The above-mentioned embodiments are merely illustrative of the embodiments of the present invention, and the description thereof is not to be construed as limiting. It should be noted that a number of variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims

权利要求书 Claim
、 一种大角度发光的 LED灯管，主要包括 PC罩和设置于 PC罩两端的堵 头， 其特征在于:还包括 A LED lamp with a large angle of illumination, mainly comprising a PC cover and a plug disposed at both ends of the PC cover, characterized in that:
一铝合金型材，所述铝合金型材是一种具有三个面的中空的三角柱体， 在每个面上设计一具有卡槽的 U型槽，在每个角的端部设计若干个球 面形的凹凸弧面；  An aluminum alloy profile, which is a hollow triangular cylinder having three faces, a U-shaped groove having a card groove is designed on each face, and a plurality of spherical shapes are designed at the ends of each corner Concave convex surface;
PCB组件， 所述 PCB组件包括长条形的 PCB铝基板和在其表面上排布 并固接有复数个 LED, 还包括在所述 PCB铝基板且固接有 LED所在的 表面上镀一薄银层。  a PCB assembly, the PCB assembly comprising an elongated PCB aluminum substrate and a plurality of LEDs arranged on the surface thereof and further comprising a thin plate on the surface of the PCB aluminum substrate and the LED is fixed Silver layer.
、 根据权利要求 1所述大角度发光的 LED灯管， 其特征在于： 所述 PC 罩为透明或半透明的、 截面角度为 83度的弧面体， 并且沿着长度方 向且在两侧设计有固定卡。 The LED lamp of the high angle illumination according to claim 1, wherein: the PC cover is a transparent or translucent curved body having a section angle of 83 degrees, and is designed along the length direction and on both sides. Fixed card.
、 根据权利要求 1所述大角度发光的 LED灯管， 其特征在于： 所述 PCB 组件的数量为三个，分别设置在所述铝合金型材的三个面的 U型槽内。 、 根据权利要求 1或 3所述大角度发光的 LED灯管， 其特征在于：所述 PCB组件与所述铝合金型材之间还涂有一薄导热硅胶层。 The LED lamp of the high-angle illumination according to claim 1, wherein the number of the PCB assemblies is three, which are respectively disposed in the U-shaped grooves of the three faces of the aluminum alloy profile. The LED lamp of the high-angle illumination according to claim 1 or 3, wherein a thin thermal conductive silicone layer is further coated between the PCB component and the aluminum alloy profile.
、 根据权利要求 1所述大角度发光的 LED灯管， 其特征在于：所述铝合 金型材的中空结构为三角腔体。 The LED lamp of the high angle illumination according to claim 1, wherein the hollow structure of the aluminum alloy profile is a triangular cavity.
、 根据权利要求 1所述大角度发光的 LED灯管， 其特征在于：所述铝合 金型材的两端还设计有两个螺孔，其中一螺孔设计在一 U型槽的背面， 另一螺孔设计在中空腔体的一个角内。 The LED lamp tube of claim 1 is characterized in that: two ends of the aluminum alloy profile are designed with two screw holes, one of which is designed on the back of a U-shaped groove, and the other The screw holes are designed in one corner of the hollow cavity.
PCT/CN2013/082389 2012-11-05 2013-08-27 Led lamp tube with large light-emitting angle WO2014067329A1 (en)

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