WO2021179759A1 - 一种插脚式led灯具 - Google Patents

一种插脚式led灯具 Download PDF

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Publication number
WO2021179759A1
WO2021179759A1 PCT/CN2020/141228 CN2020141228W WO2021179759A1 WO 2021179759 A1 WO2021179759 A1 WO 2021179759A1 CN 2020141228 W CN2020141228 W CN 2020141228W WO 2021179759 A1 WO2021179759 A1 WO 2021179759A1
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Prior art keywords
light guide
light source
lampshade
light
pin
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PCT/CN2020/141228
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English (en)
French (fr)
Inventor
李兆杰
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中山市蓝易照明科技有限公司
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Publication of WO2021179759A1 publication Critical patent/WO2021179759A1/zh

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/85Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • F21V29/87Organic material, e.g. filled polymer composites; Thermo-conductive additives or coatings therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00Globes; Bowls; Cover glasses
    • F21V3/04Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/06Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Definitions

  • the utility model relates to the technical field of lamps, in particular to a pin type LED lamp.
  • LED lights with pins are one of the widely used LED lights.
  • the light is scattered and not concentrated, and the effect of uniform light guide at 306° is not achieved, and the overall structure is relatively complicated.
  • the purpose of the present utility model is to provide a pin-type LED lamp, which adopts a three-segment structure design of a solid lampshade to gather light in the second light guide part; the light source in the light source module uses flip-chip LEDs
  • the structure is flatly arranged on the flexible substrate, so that the light source module is changed from a straight plate state to a hollow cylindrical cylindrical structure; the light of the light source module with this structure can be uniformly guided around 360 degrees around the axis of the lampshade without dead corners, making the light guide more The highlight is uniform.
  • a pin-type LED lamp includes an integrally formed cylindrical lampshade, a light source assembly arranged inside the lampshade, and a pin connected to the light source assembly at one end of the lampshade, and is characterized in that:
  • the lampshade is a solid structure and includes a first light guide part, a second light guide part and a first light guide part which are integrally formed and coaxial
  • the second light guide part is cylindrical, one end of which is connected to the first light guide part, and the other end is connected to the third light guide part;
  • the first light guide part is an ultra-thin flat structure, and the two sides of the connection with the second light guide part are respectively provided with
  • the connecting inclined plane is three-dimensionally inclined with respect to the axis of the lampshade; the included angle X between the connecting inclined plane and the axis of the second light guide is 20-40 degrees; the third light guide is away from the second light guide
  • One end surface is a circular arc surface, and the center of the circular arc surface is provided with a spherical convex point;
  • the light source assembly includes a heat dissipation module and a light source module;
  • the heat dissipation module has a cylindrical structure and is arranged inside the second light guide part, and is arranged coaxially with the lampshade;
  • the axis is the center axis and is evenly distributed on the outer side wall of the heat dissipation module.
  • the light source module includes a circular substrate and a light source; the light source is axially uniformly distributed on the substrate with the axis of the lampshade as the center.
  • a circuit module (not marked in the figure) is provided in the heat dissipation module; the circuit module is electrically connected to the pins and the light source module, respectively.
  • a pin is provided at one end of the first light guide part away from the second light guide part; one end of the pin passes through the first light guide part to the second light guide part and is electrically connected to the light source assembly.
  • the substrate is an ultra-thin flexible high thermal conductivity substrate.
  • the light source is flatly arranged on the substrate using a flip-chip LED structure.
  • the light source is a COB light source.
  • the material of the pin is copper.
  • the lampshade is made of light-transmitting material.
  • the light source in the light source module is flatly arranged on the flexible substrate using a flip-chip LED structure, so that the light source module is changed from a straight board state to a hollow cylindrical cylindrical structure; the light of the light source module with this structure can be 360 degrees around the axis of the lampshade. There is no dead corner to guide the light uniformly, so that the light guide of the lamp is more bright and uniform.
  • a solid lampshade designed with a three-stage structure allows light to be concentrated in the second light guide part; at the same time, a cylindrical light source assembly is built in the second light guide part to ensure the axial and radial guidance of the light guide part of the lamp.
  • the light is uniform and concentrated, the structure is simple, and the 360° light guide is uniform, which meets the use of indoor and outdoor environments.
  • Figure 1 is a schematic diagram of the three-dimensional structure of the utility model
  • Figure 2 is the left side view of the utility model
  • Figure 3 is a schematic diagram of the structure of the light source module of the present invention.
  • a pin-type LED lamp includes an integrated cylindrical lampshade 1, a light source assembly 2 arranged inside the lampshade 1, and a pin 3 connected to the light source assembly 2 at one end of the lampshade 1.
  • the lampshade 1 is a solid structure, and includes a first light guide portion 11, a second light guide portion 12, and a third light guide portion 13 that are integrally formed and coaxial; the second light guide portion
  • the part 12 is cylindrical, one end of which is connected to the first light guide part 11, and the other end is connected to the third light guide part 13;
  • the first light guide portion 11 has an ultra-thin flat structure, and the two sides of the connection with the second light guide portion 12 are respectively provided with connecting slopes 14; the connecting slopes 14 are three-dimensionally inclined with respect to the axis of the lampshade 1; As shown in 2, the included angle X between the connecting inclined surface 14 and the axis of the second light guide portion 12 is 20-40 degrees.
  • the angle X between the connecting inclined surface 14 and the second light guide portion 12 of the lampshade 1 is 30 degrees, and the light emitted by the light source module 21 is refracted back to the light source module 21 through the connecting inclined surface 14, so that the light source module The light effect of group 21 is more concentrated and full; at the same time, the light guide efficiency is improved, so that the 360-degree light guide of the lamp is more uniform.
  • the end surface of one end of the third light guide portion 13 away from the second light guide portion 12 is a circular arc surface, and a spherical convex point 111 is provided at the center of the circular arc surface;
  • the light source assembly 2 includes a heat dissipation module 22 and a light source module 21;
  • the heat dissipation module 22 is a cylindrical structure arranged inside the second light guide portion 12, and is arranged coaxially with the lampshade 1.
  • the light source module 21 is in the shape of a hollow cylinder and is uniformly distributed on the outer side wall of the heat dissipation module 22 in the axial direction with the axis of the lampshade 1 as the center.
  • a solid lampshade 1 with a three-stage structure design is used to concentrate light on the second light guide part 12; at the same time, the second light guide part 12 is built with a cylindrical structure of the light source assembly 2 and adopts a circular ring shape.
  • the light source modules 21 are evenly distributed along the axial axis of the heat dissipation module 22 to ensure uniform and concentrated light guide in the axial and radial directions of the light guide part of the lamp, realize 360° light guide uniformity, and meet the use of indoor and outdoor environments.
  • the light source module 21 includes a circular base plate 212 and a light source 211; the light source 211 is uniformly distributed on the base plate 212 axially with the axis of the lampshade 1 as the center. Realize 360° uniform light guide.
  • a circuit module (not marked in the figure) is provided in the heat dissipation module 222; the circuit module is electrically connected to the pin 3 and the light source module 21, respectively.
  • a pin 3 is provided at one end of the first light guide portion 11 away from the second light guide portion 12; one end of the pin 3 passes through the first light guide portion 11 to the second light guide portion 12 and is connected to the light source assembly 2 Electrical connection.
  • the substrate 212 is an ultra-thin, flexible, and highly thermally conductive substrate, which has high thermal conductivity and improves the heat dissipation performance of the lamp.
  • the light source 211 is flatly arranged on the substrate using a flip-chip LED structure.
  • the light source 211 in the light source module 21 is flatly arranged on the flexible substrate 212 using a flip-chip LED structure, so that the light source module 21 is changed from a straight board state to a hollow cylindrical cylindrical structure; the light of the light source module 21 can be With the axis of the lampshade 1 as the center, the 360-degree light is guided uniformly without dead angles, so that the light guide of the lamp is more bright and uniform; at the same time, the heat dissipation performance is improved, and the service life of the light source is prolonged.
  • the light source 211 is a COB light source, and the COB light source emits uniformly without light spots, ensuring the light guiding effect of the lamp.
  • the material of the pin 3 is red copper, which has the characteristics of high temperature resistance and corrosion resistance, and improves the service life of the lamp.
  • the lampshade 1 is a light-transmitting material;
  • the light-transmitting material is a highly transparent silica gel, which has the characteristics of high temperature resistance, which can prevent the lampshade from being shortened by the high temperature inside the lamp; at the same time, it has the characteristics of easy processing and high transparency, which improves the conductivity of the lamp. Light uniformity effect.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (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

一种插脚式LED灯具,包括灯罩(1)、光源组件(2)和插脚(3),灯罩(1)包括第一导光部(11)、第二导光部(12)和第三导光部(13),第一导光部(11)为超薄扁平状结构,第一导光部(11)和第二导光部(12)连接处的两侧分别设置连接斜面(14),光源组件(2)具有散热模块(22)和光源模组(21),散热模块(22)为圆柱形结构,设置于第二导光部(12)的内部;光源组件(2)以灯罩(1)的轴线为中心轴向均匀分布在散热模块(22)的外侧壁上。插脚式LED灯具采用三段式结构设计的实体灯罩(1),使光线聚集在第二导光部(12),光源组件(2)中的光源使用倒装LED结构而平整设置在柔性衬底上,使用光源模组(21)从直板状态,变为卷空心筒柱状结构,采用这种结构的光源模组(21)的光线,可以以灯罩(1)的轴线为中心圆周360度无死角而均匀导光,使灯具导光更加高亮均匀。

Description

一种插脚式LED灯具 技术领域
本实用新型涉及灯具技术领域,特别是涉及一种插脚式LED灯具。
背景技术
带插脚的LED灯是其中一种得到广泛应用的LED灯。现有技术中,由于灯罩及其光源组件的整体结构设计局限,光线散乱不集中,且达不到306°导光均匀的效果,整体结构比较复杂。
实用新型内容
为了克服现有技术的不足,本实用新型目的在于提供一种插脚式LED灯具,采用三段式结构设计的实体灯罩,使光线聚集在第二导光部;光源模块中的光源使用倒装LED结构平整设置在柔性基板上,使光源模块从直板状态变为卷空心筒柱状结构;采用该结构光源模块的光线可以以灯罩的轴线为中心圆周360度无死角均匀导光,使灯具导光更加高亮均匀。
本实用新型所采用的技术方案如下:
一种插脚式LED灯具,包括一体成型的类圆柱形灯罩、设置于灯罩内部的光源组件以及位于灯罩一端的与光源组件连接的插脚,其特征在于:
所述灯罩为实体结构,包括一体成型且同轴的第一导光部、第二导光部和第
三导光部;所述第二导光部为圆柱形,其中一端与第一导光部连接,另一端与第三导光部连接;
所述第一导光部为超薄扁平状结构,与第二导光部连接处的两侧分别设置有
连接斜面;所述连接斜面相对灯罩轴线为三维倾斜设置;所述连接斜面与第二导光部轴线的夹角X为20~40度;所述第三导光部远离第二导光部的一端端面为圆弧面,所述圆弧面的中心设置有球面凸点;
所述光源组件包括散热模块和光源模组;所述散热模块为圆柱形结构设置于第二导光部的内部,且与灯罩同轴设置;所述光源模组为卷空心筒柱状并以灯罩的轴线为中心轴向均匀分布在散热模块的外侧壁上。
优选的,所述光源模组包括圆环形的基板和光源;所述光源以灯罩轴线为中心轴向均匀分布在基板上。
优选的,所述散热模块内设置有电路模块(未在图中标示);所述电路模块分别与插脚和光源模组电性连接。
优选的,所述第一导光部远离第二导光部的一端设置有插脚;所述插脚的一端穿过第一导光部至第二导光部后与光源组件电性连接。
优选的,所述基板为超薄柔性高导热基板。
优选的,所述光源使用倒装LED结构平整设置在基板上。
优选的,所述光源为COB光源。
优选的,所述插脚的材质为紫铜。
优选的,所述灯罩为透光材料。
相比现有技术,本实用新型的有益效果在于:
1、光源模块中的光源使用倒装LED结构平整设置在柔性基板上,使光源模块从直板状态变为卷空心筒柱状结构;采用该结构光源模块的光线可以以灯罩的轴线为中心圆周360度无死角均匀导光,使灯具导光更加高亮均匀。
2、采用三段式结构设计的实体灯罩,使光线聚集在第二导光部;同时在第二导光部内置圆柱形结构的光源组件,确保了灯具导光部轴向和径向的导光均匀且集中,结构简单,实现360°导光均匀,满足室内室外环境的使用。
附图说明
图1为本实用新型的立体结构示意图;
图2为本实用新型的左视图;
图3为本实用新型的光源模块结构示意图;
其中:灯罩1、光源组件2、插脚3、第一导光部11、第二导光部12、第三导光部13、连接斜面14、散热模块22、光源模组21、球面凸点111、光源211、基板212。
具体实施方式
为了便于理解本实用新型,下面将参照相关附图对本实用新型进行更全面的描述。附图中给出了本实用新型的较佳的实施例。但是,本实用新型可以以许多不同的形式来实现,并不限于本文所描述的实施例。相反地,提供这些实施例的目的是使对本实用新型的公开内容的理解更加透彻全面。
需要说明的是,当元件被称为“固定在”另一个元件,它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件,它可以是直接连接到另一个元件或者可能同时存在居中元件。本文所使用的术语“垂直的”、“水平的”、“前”、“后”、“顶”、“底”、“左”、“右”、“上”、“下”以及类似的表述只是为了说明的目的。
除非另有定义,本文所使用的所有的技术和科学术语与属于本实用新型的技术领域的技术人员通常理解的含义相同。本文中在本实用新型的说明书中所使用的术语只是为了描述具体的实施例的目的,不是旨在于限制本实用新型。本文所使用的术语“及/或”包括一个或多个相关的所列项目的任意的和所有的组合。
下面,结合附图以及具体实施方式,对本实用新型做进一步描述:
如图1-3所示,一种插脚式LED灯具,包括一体成型的类圆柱形灯罩1、设置于灯罩1内部的光源组件2以及位于灯罩1一端的与光源组件2连接的插脚3,其特征在于:
如图1-2所示,所述灯罩1为实体结构,包括一体成型且同轴的第一导光部11、第二导光部12和第三导光部13;所述第二导光部12为圆柱形,其中一端与第一导光部11连接,另一端与第三导光部13连接;
所述第一导光部11为超薄扁平状结构,与第二导光部12连接处的两侧分别设置有连接斜面14;所述连接斜面14相对灯罩1轴线为三维倾斜设置;如图2所示,所述连接斜面14与第二导光部12轴线的夹角X为20~40度。
在该实施例中,,连接斜面14与灯罩1第二导光部12的夹角X为30度,将光源模组21发射的光线通过连接斜面14折射回光源模组21,从而使光源模组21光线效果更加的集中、饱满;同时提高导光效率,使灯具360度的导光更加的均匀。
所述第三导光部13远离第二导光部12的一端端面为圆弧面,所述圆弧面的中心设置有球面凸点111;
如图1-2所示,所述光源组件2包括散热模块22和光源模组21;所述散热模块22为圆柱形结构设置于第二导光部12的内部,且与灯罩1同轴设置;所述光源模组21为卷空心筒柱状并以灯罩1的轴线为中心轴向均匀分布在散热模块22的外侧壁上。
在该实施例中,采用三段式结构设计的实体灯罩1,使光线聚集在第二导光部12;同时在第二导光部12内置圆柱形结构的光源组件2,并采用圆环状的光源模组21沿着散热模块22的轴线轴向均匀分布,确保了灯具导光部轴向和径向的导光均匀且集中,实现360°导光均匀,满足室内室外环境的使用。
进一步的,如图3所示,所述光源模组21包括圆环形的基板212和光源211;所述光源211以灯罩1轴线为中心轴向均匀分布在基板212上,采用该结构设计可以实现360°导光均匀。
进一步的,如图3所示,所述散热模块222内设置有电路模块(未在图中标示);所述电路模块分别与插脚3和光源模组21电性连接。
进一步的,所述第一导光部11远离第二导光部12的一端设置有插脚3;所述插脚3的一端穿过第一导光部11至第二导光部12后与光源组件2电性连接。
进一步的,所述基板212为超薄柔性高导热基板,导热效率高,提高灯具的散热性能。
进一步的,所述光源211使用倒装LED结构平整设置在基板上。
在该实施例中,光源模块21中的光源211使用倒装LED结构平整设置在柔性基板212上,使光源模块21从直板状态变为卷空心筒柱状结构;采用该结构光源模块21的光线可以以灯罩1的轴线为中心圆周360度无死角均匀导光,使灯具导光更加高亮均匀;同时提升了散热性能,延长光源的使用寿命。
进一步的,所述光源211为COB光源,所述COB光源发光均匀,无光斑,确保灯具的导光效果。
进一步的,所述插脚3的材质为紫铜,具有耐高温、防腐蚀的特点,提高灯具的使用寿命。
进一步的,所述灯罩1为透光材料;所述透光材料为高透明硅胶,具有耐高温特点可以避免灯具内部的高温导致灯罩寿命缩短;同时具有易加工高透明的特点,提高灯具的导光均匀效果。
对本领域的技术人员来说,可根据以上描述的技术方案以及构思,做出其它各种相应的改变以及形变,而所有的这些改变以及形变都应该属于本实用新型专利权利要求的保护范围之内。

Claims (9)

  1. 一种插脚式LED灯具,包括一体成型的类圆柱形灯罩、设置于灯罩内部的光源组件以及位于灯罩一端的与光源组件连接的插脚,其特征在于:
    所述灯罩为实体结构,包括一体成型且同轴的第一导光部、第二导光部和第三导光部;所述第二导光部为圆柱形,其中一端与第一导光部连接,另一端与第三导光部连接;
    所述第一导光部为超薄扁平状结构,与第二导光部连接处的两侧分别设置有连接斜面;所述连接斜面相对灯罩轴线为三维倾斜设置;所述连接斜面与第二导光部轴线的夹角X为20~40度;所述第三导光部远离第二导光部的一端端面为圆弧面,所述圆弧面的中心设置有球面凸点;
    所述光源组件包括散热模块和光源模组;所述散热模块为圆柱形结构设置于第二导光部的内部,且与灯罩同轴设置;所述光源模组为卷空心筒柱状并以灯罩的轴线为中心轴向均匀分布在散热模块的外侧壁上。
  2. 根据权利要求1所述的一种插脚式LED灯具,其特征在于,所述光源模组包括圆环形的基板和光源;所述光源以灯罩轴线为中心轴向均匀分布在基板上。
  3. 根据权利要求1所述的一种插脚式LED灯具,其特征在于,所述散热模块内设置有电路模块;所述电路模块分别与插脚和光源模组电性连接。
  4. 根据权利要求1所述的一种插脚式LED灯具,其特征在于,所述第一导光部远离第二导光部的一端设置有插脚;所述插脚的一端穿过第一导光部至第二导光部后与光源组件电性连接。
  5. 根据权利要求2所述的一种插脚式LED灯具,其特征在于,所述基板为超薄柔性高导热基板。
  6. 根据权利要求2所述的一种插脚式LED灯具,其特征在于,所述光源使用倒装LED结构平整设置在基板上。
  7. 根据权利要求2所述的一种插脚式LED灯具,其特征在于,所述光源为COB光源。
  8. 根据权利要求1所述的一种插脚式LED灯具,其特征在于,所述插脚的材质为紫铜。
  9. 根据权利要求1所述的一种插脚式LED灯具,其特征在于,所述灯罩为透光材料。
PCT/CN2020/141228 2020-03-10 2020-12-30 一种插脚式led灯具 WO2021179759A1 (zh)

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CN103075656A (zh) * 2012-08-23 2013-05-01 苏州创高电子有限公司 一种发出旋转的斑点灯光的led灯
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