WO2018099409A1 - 一种侧面发光光纤照明装置 - Google Patents

一种侧面发光光纤照明装置 Download PDF

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Publication number
WO2018099409A1
WO2018099409A1 PCT/CN2017/113675 CN2017113675W WO2018099409A1 WO 2018099409 A1 WO2018099409 A1 WO 2018099409A1 CN 2017113675 W CN2017113675 W CN 2017113675W WO 2018099409 A1 WO2018099409 A1 WO 2018099409A1
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WIPO (PCT)
Prior art keywords
optical fiber
led lamp
lamp bead
emitting optical
lower casing
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PCT/CN2017/113675
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English (en)
French (fr)
Inventor
廖均博
关超华
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广州市日隆光电科技有限公司
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Publication of WO2018099409A1 publication Critical patent/WO2018099409A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • 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
    • 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
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/10—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type
    • F21V2200/15—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type the light being emitted along at least a portion of the outer surface of the guide

Definitions

  • the present invention relates to the field of lighting devices, and more particularly to a side-emitting optical fiber lighting device.
  • the illuminating strip is generally used for indoor environment, outdoor environment or decoration, warning, outline drawing and illumination for underwater environment.
  • the LED illuminating belt is mainly composed of a lamp bead and a lamp strip, and the lamp bead is installed in the lamp strip.
  • the current LED light strips have the following defects: 1), LED The illuminating strip is a point illuminating, which requires the use of more lamp beads, which causes the illuminating brightness to be too strong, and the visual effect is excessively irritating to the light receiving object; 2) the LED illuminating band consumes a large amount of energy; 3) LED The light-emitting belt has large heat generation and low environmental weather resistance; 4) The light source of the LED light-emitting strip is dispersed, and the intelligent control is difficult.
  • a lighting device with a large amount of heat usually requires a good heat dissipation base for heat dissipation, which is a short plate existing in the current LED lighting device.
  • a side-emitting optical fiber illuminating device comprises a lower casing having an inner cavity and an upper opening, and an upper casing mounted on the upper casing to form a closed cavity, wherein the closed cavity is provided with a circuit board and is closely attached to the upper casing And/or a metal plate provided on the lower casing, the LED lamp bead is fastened on the metal plate, the heat conduction medium is filled between the LED lamp bead and the metal plate, and at least two joint holes are opened on the side of the lower casing, and one of the holes is passed through
  • the joint hole is provided with a side illuminating optical fiber fixed by the optical fiber fixing joint and extending into the closed cavity body, and the side illuminating optical fiber and the LED lamp bead are optically coupled, and then the light is led out on the side illuminating optical fiber to form a line light source, and the other light is disposed through the other joint hole.
  • the upper portion of the metal plate is fixedly connected to the upper casing, and the inner casing is provided with slots at both ends of the inner cavity, and the metal plate is inserted into the slot for fixing.
  • the circuit board is horizontally placed at the bottom of the inner cavity, and the LED lamp bead is fixed to the metal plate, and the three driving pins of the LED lamp bead are inserted into the soldering via hole of the circuit board for fixing.
  • the other three drive pins of the LED lamp bead are connected to the wire harness.
  • a plurality of equally spaced heat dissipation fins are disposed on both sides of the upper casing.
  • each of the heat dissipation fins is vertically disposed at equal intervals.
  • the periphery of the top of the lower casing is narrowed to the inner side to form a convex step which can be embedded in the bottom of the upper casing, and the two sides of the bottom of the upper casing form a fixed step, and between the upper casing and the lower casing Secure the connection by screws.
  • two sides of the lower casing are provided with horizontal plates extending outward, and reinforcing ribs are connected between the horizontal plates and the lower casing, and each horizontal plate is provided with a fixing shell for fixing the lower casing. Round hole.
  • the invention has the beneficial effects that the side light-emitting optical fiber illuminating device couples the LED lamp bead as a light source and the side illuminating fiber, and then transmits the light through the side illuminating fiber line light source, and the LED lamp bead and the metal plate, the upper casing and the lower casing A good metal heat conduction connection is formed, and the heat generated by the LED lamp bead can be quickly led out through the upper casing through the metal plate.
  • FIG. 1 is a schematic exploded view of an overall structure of an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of an embodiment of the present invention after installation is completed.
  • the present invention is a side-emitting optical fiber illuminating device comprising a lower casing 1 having an inner cavity and an upper opening, and an upper casing 2 mounted above the lower casing 1 to form a closed cavity.
  • a circuit board 3 and a metal plate 4 disposed adjacent to the upper casing 2 and/or the lower casing 1 are mounted in the closed cavity, and the LED lamp bead 5 is fastened on the metal plate 4, and the LED lamp bead 5 and the metal plate 4 are filled.
  • the lower casing 1 There is a heat-conducting medium, and at least two joint holes are formed in a side surface of the lower casing 1 through which one of the joint holes is provided with a side light-emitting optical fiber 6 fixed by the wire harness fixing joint 61 and extending into the closed cavity body, the side light-emitting optical fiber 6 and the LED After the light bead 5 is optically coupled, the light is led out on the side light-emitting fiber 6 to form a line light source, and the other joint hole is provided with a wire harness 7 connected to the circuit board 3 for power supply and information exchange.
  • the side-emitting optical fiber illuminating device couples the LED lamp bead 5 as a light source to the side illuminating optical fiber 6 , and transmits the light through the side illuminating optical fiber 6 as a line light source, and simultaneously the LED lamp bead 5 and the metal plate 4 , the upper casing 2 and the lower casing A good metal heat conduction connection is formed, and the heat generated by the LED lamp bead 5 can be quickly led out through the upper casing 2 through the metal plate 4.
  • the upper portion of the metal plate 4 is fixedly connected to the upper casing 2, and the inner casing of the lower casing 1 is provided with slots 11 at both ends of the inner cavity, and the metal plate 4 is inserted into the slot 11 for fixing. .
  • the circuit board 3 is horizontally placed at the bottom of the internal cavity, and the LED lamp bead 5 is fixed against the metal plate 4, and the three driving pins of the LED lamp bead 5 are soldered to the circuit board 3.
  • the hole is fixed, and the other three driving pins of the LED lamp bead 5 are connected to the wire harness 7.
  • a plurality of equally spaced fins 21 are disposed on both sides of the upper casing 2.
  • each of the heat dissipation fins 21 is vertically disposed at equal intervals.
  • the periphery of the top of the lower casing 1 is narrowed to the inner side to form a convex step 12 which can be embedded in the bottom of the upper casing 2.
  • the two sides of the bottom of the upper casing 2 form a fixed step, and the upper casing 2 and the upper casing 2
  • the lower casings 1 are fixedly connected by screws.
  • the lower casing 1 is provided with horizontal plates extending outwardly, and reinforcing ribs are connected between the horizontal plates and the lower casing 1 , and each horizontal plate is provided with a lower casing. 1 round hole.
  • the side-emitting optical fiber illuminating device couples the optical fiber generated by the LED lamp bead 5 through the side illuminating optical fiber 6 to form a line light source for illumination, and can generate a line light source with a larger illumination range by consulting the illuminating of the LED lamp bead 5, thereby facilitating energy saving. There is no single bright spot where the light is too strong and the received object is over-stimulated.
  • the LED lamp bead 5 Since the heat generated by the illumination of the LED lamp bead 5 as the light source is too large, in this device, the LED lamp bead 5 is fixed against the metal plate 4, and a heat conductive medium is filled between the LED lamp bead 5 and the metal plate 4, which can quickly After the heat generated by the LED lamp bead 5 is diffused by the metal plate 4, the lower case 1 and the upper case 2, which are closely connected to the metal plate 4, are diffused while being passed through a plurality of fins 21 disposed at the top of the upper case 2. Cooling.
  • the heat dissipating fins 21 are vertically disposed at the top of the upper casing 2 and spaced apart from each other, which is extremely suitable for the heat propagation path of the LED lamp bead 5 in the lighting device, and can greatly improve the heat dissipation efficiency.
  • the top of the lower casing 1 is narrowed to form a convex step 12 embedded in the bottom of the upper casing 2, and the convex step 12 is embedded in the fixed step at the bottom of the upper casing 2, which can be realized.
  • the fixed connection between the upper casing 2 and the lower casing 1 can form a closed cavity, ensuring stable connection of the closed cavity and good thermal conductivity.
  • the side illuminating optical fiber 6 is mounted on the joint hole on the lower casing 1 through the wire harness fixing joint 61, and the wire harness 7 is fixed to the other joint hole on the lower casing 1 through the wire harness fixing joint 71, and passes through the joint hole and the closed cavity.
  • the LED lamp beads 5 are connected to realize power supply and information exchange of the circuit board 3.
  • the wire harness fixing joint 71 fixes the wire harness 7, and the waterproof effect can be achieved by the wire harness 7 and the flexible rubber sleeve filled in the wire harness fixing joint 71.

Landscapes

  • Engineering & Computer Science (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

一种侧面发光光纤照明装置，包括设有内部空腔且上方开口的下壳体（1）和安装在下壳体（1）的上方上壳体（2），封闭腔体内安装有电路板（3）和金属板（4），金属板（4）上紧固有LED灯珠（5），LED灯珠（5）与金属板（4）间填充有导热介质，下壳体（1）的侧面开设有至少两个接头孔，穿过其中一接头孔设有通过光纤固定接头固定并伸入封闭腔体内的侧面发光光纤（6），侧面发光光纤（6）和LED灯珠（5）进行光耦合后将灯光导出在侧面发光光纤（6）上形成线光源。该照明装置将LED灯珠（5）作为光源与侧面发光光纤（6）耦合后，经侧面发光光纤（6）形成线光源传输光线，同时LED灯珠（5）与金属板（4）、上壳体（2）以及下壳体（1）间形成良好的金属导热连接，能将LED灯珠（5）产生的热量通过金属板（4）经上壳体（2）迅速导出。

Description

一种侧面发光光纤照明装置
技术领域
本发明涉及照明装置领域，特别是涉及一种侧面发光光纤照明装置。
背景技术
目前，市场上的LED 发光带一般用于用于室内环境、室外环境或用于水下环境的装饰、警示、轮廓勾勒、照明，目前LED 发光带主要由灯珠和灯带构成，灯珠安装于灯带内。
目前的LED 发光带会存在以下缺陷：1）、LED 发光带的为点发光，其需要使用较多的灯珠，而造成发光亮度过强，在视觉效果上对受光对象刺激过度；2）、LED 发光带的能耗较大；3）、LED 发光带发热量大且环境耐候性低；4）、LED 发光带的光源分散，智能控制难度大。
发热量大的照明装置，通常需要较好的散热底座进行散热，这是目前LED照明装置存在的短板。
发明内容
本发明的目的在于提供一种可提供带光源且能散热效果更好的侧面发光光纤照明装置。
本发明所采取的技术方案是：
一种侧面发光光纤照明装置，包括设有内部空腔且上方开口的下壳体和安装在下壳体的上方形成封闭腔体的上壳体，封闭腔体内安装有电路板和紧贴上壳体和/或者下壳体设置的金属板，金属板上紧固有LED灯珠，LED灯珠与金属板间填充有导热介质，下壳体的侧面开设有至少两个接头孔，穿过其中一接头孔设有通过光纤固定接头固定并伸入封闭腔体内的侧面发光光纤，侧面发光光纤和LED灯珠进行光耦合后将灯光导出在侧面发光光纤上形成线光源，穿过另一接头孔设有与电路板相连用于供电及信息交换的线束。
进一步作为本发明技术方案的改进，金属板的上部分与上壳体固定连接，下壳体内位于内部空腔的两端均设有插槽，金属板插入插槽内固定。
进一步作为本发明技术方案的改进，电路板水平放置于内部空腔的底部，LED灯珠紧贴金属板固定，LED灯珠的三个驱动引脚伸入电路板上的焊接过孔内进行固定，LED灯珠另一个的三个驱动引脚与线束连接。
进一步作为本发明技术方案的改进，上壳体的两侧设有若干等间距分布的散热鳍片。
进一步作为本发明技术方案的改进，各散热鳍片竖向等间隔设置。
进一步作为本发明技术方案的改进，下壳体顶部的四周向内侧收窄形成可嵌入上壳体底部内的凸阶，上壳体底部的两侧形成固定阶梯，上壳体与下壳体间通过螺钉固定连接。
进一步作为本发明技术方案的改进，下壳体的两侧设有向外侧延伸的水平板，各水平板与下壳体间连接有加强肋，各水平板上均设有用于固定下壳体的圆孔。
本发明的有益效果：此侧面发光光纤照明装置将LED灯珠作为光源与侧面发光光纤耦合后，经侧面发光光纤成线光源传输光线，同时LED灯珠与金属板、上壳体以及下壳体间形成良好的金属导热连接，能将LED灯珠产生的热量通过金属板经上壳体迅速导出。
附图说明
下面结合附图对本发明作进一步说明：
图1是本发明实施例整体结构爆炸示意图；
图2是本发明实施例实施例安装完成后结构示意图。
具体实施方式
参照图1、图2，本发明为一种侧面发光光纤照明装置，包括设有内部空腔且上方开口的下壳体1和安装在下壳体1的上方形成封闭腔体的上壳体2，封闭腔体内安装有电路板3和紧贴上壳体2和/或者下壳体1设置的金属板4，金属板4上紧固有LED灯珠5，LED灯珠5与金属板4间填充有导热介质，下壳体1的侧面开设有至少两个接头孔，穿过其中一接头孔设有通过线束固定接头61固定并伸入封闭腔体内的侧面发光光纤6，侧面发光光纤6和LED灯珠5进行光耦合后将灯光导出在侧面发光光纤6上形成线光源，穿过另一接头孔设有与电路板3相连用于供电及信息交换的线束7。
此侧面发光光纤照明装置将LED灯珠5作为光源与侧面发光光纤6耦合后，经侧面发光光纤6成线光源传输光线，同时LED灯珠5与金属板4、上壳体2以及下壳体1间形成良好的金属导热连接，能将LED灯珠5产生的热量通过金属板4经上壳体2迅速导出。
作为本发明优选的实施方式，金属板4的上部分与上壳体2固定连接，下壳体1内位于内部空腔的两端均设有插槽11，金属板4插入插槽11内固定。
作为本发明优选的实施方式，电路板3水平放置于内部空腔的底部，LED灯珠5紧贴金属板4固定，LED灯珠5的三个驱动引脚伸入电路板3上的焊接过孔内进行固定，LED灯珠5另一个的三个驱动引脚与线束7连接。
作为本发明优选的实施方式，上壳体2的两侧设有若干等间距分布的散热鳍片21。
作为本发明优选的实施方式，各散热鳍片21竖向等间隔设置。
作为本发明优选的实施方式，下壳体1顶部的四周向内侧收窄形成可嵌入上壳体2底部内的凸阶12，上壳体2底部的两侧形成固定阶梯，上壳体2与下壳体1间通过螺钉固定连接。
作为本发明优选的实施方式，下壳体1的两侧设有向外侧延伸的水平板，各水平板与下壳体1间连接有加强肋，各水平板上均设有用于固定下壳体1的圆孔。
此侧面发光光纤照明装置将LED灯珠5的产生的光纤经侧面发光光纤6耦合后成线光源用于照明，能通过商量LED灯珠5的发光产生照明范围更大的线光源，利于节能，且不会存在单个亮点光线过强而导致受光对象刺激过度。
由于作为光源的LED灯珠5的发光产生的热量太大，此装置中，将LED灯珠5紧贴金属板4固定，并在LED灯珠5与金属板4间填充导热介质，能快速将LED灯珠5发光产生的热量经金属板4扩散后，由与金属板4紧密连接的下壳体1和上壳体2进行扩散，同时经过上壳体2顶部设置的若干散热鳍片21进行散热。
散热鳍片21在上壳体2的顶部成竖向且彼此间隔设置，极其切合该照明装置中LED灯珠5产生热量的传播路线，能极大地提高散热效率。
上壳体2与下壳体1间，通过将下壳体1顶部收窄形成嵌入上壳体2底部内的凸阶12，将凸阶12嵌入上壳体2底部的固定阶梯内，可实现上壳体2与下壳体1间的固定连接，并能形成封闭腔体，保证封闭腔体的稳定连接及良好的导热性能。
侧面发光光纤6通过线束固定接头61安装在下壳体1上的接头孔上，线束7通过线束固定接头71固定在下壳体1上的另一接头孔上，并穿过接头孔与封闭腔体内的LED灯珠5相连，实现电路板3的供电及信息交换。
线束固定接头71固定线束7，并通过线束7及填充在线束固定接头71内的柔性胶套可实现防水效果。
当然，本发明创造并不局限于上述实施方式，熟悉本领域的技术人员在不违背本发明精神的前提下还可作出等同变形或替换，这些等同的变型或替换均包含在本申请权利要求所限定的范围内。

Claims (7)

  1. 一种侧面发光光纤照明装置，其特征在于：包括设有内部空腔且上方开口的下壳体和安装在所述下壳体的上方形成封闭腔体的上壳体，所述封闭腔体内安装有电路板和紧贴上壳体和/或者下壳体设置的金属板，所述金属板上紧固有LED灯珠，所述LED灯珠与金属板间填充有导热介质，所述下壳体的侧面开设有至少两个接头孔，穿过其中一所述接头孔设有通过光纤固定接头固定并伸入封闭腔体内的侧面发光光纤，所述侧面发光光纤和LED灯珠进行光耦合后将灯光导出在侧面发光光纤上形成线光源，穿过另一所述接头孔设有与电路板相连用于供电及信息交换的线束。
  2. 根据权利要求1所述的侧面发光光纤照明装置，其特征在于：所述金属板的上部分与上壳体固定连接，所述下壳体内位于内部空腔的两端均设有插槽，所述金属板插入插槽内固定。
  3. 根据权利要求1所述的侧面发光光纤照明装置，其特征在于：所述电路板水平放置于内部空腔的底部，所述LED灯珠紧贴金属板固定，所述LED灯珠的三个驱动引脚伸入电路板上的焊接过孔内进行固定，所述LED灯珠另一个的三个驱动引脚与线束连接。
  4. 根据权利要求1所述的侧面发光光纤照明装置，其特征在于：所述上壳体的两侧设有若干等间距分布的散热鳍片。
  5. 根据权利要求4所述的侧面发光光纤照明装置，其特征在于：各所述散热鳍片竖向等间隔设置。
  6. 根据权利要求5所述的侧面发光光纤照明装置，其特征在于：所述下壳体顶部的四周向内侧收窄形成可嵌入上壳体底部内的凸阶，所述上壳体底部的两侧形成固定阶梯，所述上壳体与下壳体间通过螺钉固定连接。
  7. 根据权利要求1所述的侧面发光光纤照明装置，其特征在于：所述下壳体的两侧设有向外侧延伸的水平板，各所述水平板与下壳体间连接有加强肋，各所述水平板上均设有用于固定下壳体的圆孔。
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CN109200513A (zh) * 2018-10-31 2019-01-15 江西鼎峰装备科技有限公司 一种水幕喷头装置
CN110260217A (zh) * 2019-06-18 2019-09-20 广明源光科技股份有限公司 一种侧面发光led植物补光灯

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