WO2013166920A1 - Led光源装置 - Google Patents

Led光源装置 Download PDF

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Publication number
WO2013166920A1
WO2013166920A1 PCT/CN2013/074787 CN2013074787W WO2013166920A1 WO 2013166920 A1 WO2013166920 A1 WO 2013166920A1 CN 2013074787 W CN2013074787 W CN 2013074787W WO 2013166920 A1 WO2013166920 A1 WO 2013166920A1
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WO
WIPO (PCT)
Prior art keywords
light source
source device
led light
lampshade
base
Prior art date
Application number
PCT/CN2013/074787
Other languages
English (en)
French (fr)
Inventor
杨洪武
Original Assignee
大连金三维科技有限公司
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Filing date
Publication date
Application filed by 大连金三维科技有限公司 filed Critical 大连金三维科技有限公司
Publication of WO2013166920A1 publication Critical patent/WO2013166920A1/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
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/005—Sealing arrangements therefor
    • 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
    • F21V15/015—Devices for covering joints between adjacent lighting devices; End coverings
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/08—Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
    • F21V21/088—Clips; Clamps
    • 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
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • 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 present invention relates to LED lighting technology, and more particularly to an LED light source device. Background technique
  • a light emitting diode (Light Emitting Diode) light source device has been widely used, and it is an inevitable trend that the LED light source device is used as a lighting electric appliance to replace the existing ordinary incandescent tube lamp.
  • the existing LED light source device comprises a lamp cap, a light source plate, a heat sink and a semi-tubular lampshade.
  • the lampshade, the light source plate and the heat sink have substantially the same length, the heat sink has a semicircular cross section, and the outer surface has a zigzag or rectangular heat dissipation. Chips to increase heat dissipation area and improve heat dissipation efficiency.
  • the light source board When assembled, the light source board is fixedly connected to the mounting plane of the heat sink, the lamp cover is placed on the light source board, and the two ends of the heat sink and the lamp cover are respectively fixedly mounted in the housing of the lamp cap, and the lamp head is usually connected by means of bonding or screwing. It is fixedly connected to the radiator and the lamp cover.
  • the lamp cover has a semi-tubular structure, and the lamp cover is disposed on the light source plate. Since the contact area between the lamp cover and the light source plate is large, it is not easy to be sealed, so that water or dust is easily introduced into the lamp cover. Reduce the service life and luminous effect of the LED light source device. Moreover, since the terminal outside the lamp cap is engaged with the lamp holder, the contact between the terminal and the lamp holder is liable to enter the water and short-circuit, causing damage to the LED light source device. Summary of the invention
  • the present invention provides an LED light source device for solving the technical defects of the prior art LED light source device which is easy to enter water or dust and has a low service life.
  • the invention provides an LED light source device, comprising a lamp cover, a base, a light source assembly, a heat sink, an end cover and a plurality of heat conducting connectors;
  • the lamp cover is a housing structure with open ends, and includes a light transmitting portion and a mounting portion; the light source assembly is mounted on one mounting surface of the base, and another mounting surface of the base and the mounting portion The inner wall is fitted and the base and the light source assembly are mounted inside the lampshade; a mounting surface of the heat sink is attached to an outer wall of the mounting portion; the heat sink has a groove for placing a driving power source of the LED light source device, and a lead wire of the driving power source is connected to a lead wire of the light source assembly;
  • the mounting portion of the lamp cover is provided with a mounting hole; the plurality of heat conducting connectors are connected to the base through the mounting hole;
  • the end cover is disposed at both ends of the lamp cover to seal the lamp cover.
  • the end cover is a housing structure, the end cover has two independent chambers; the first chamber is formed at a side end portion of the lamp cover, and the second chamber is formed at a side end of the heat sink.
  • the first chamber is a sealed chamber, and the outer end wall of the first chamber is provided with a movable cover that can be opened or closed;
  • a bolt hole is formed in an inner end wall of the first chamber, and a corresponding side end surface of the base has a threaded hole, and the end cover is mounted on the base by a bolt and the first chamber is An inner end wall seals the opening of the lampshade.
  • a seal ring is mounted between the inner end wall of the first chamber and the open end surface of the lamp cover.
  • the mounting portion of the lamp cover is provided with a lead hole for the connection.
  • the lead of the light source assembly passes through the inner end wall and the side wall of the first chamber, and the lead of the driving power source extends into the second chamber;
  • the lead of the light source assembly and the lead of the driving power source are connected by a waterproof connector, and the waterproof connector is disposed in the second chamber.
  • the heat sink has a U-shaped cross section, and the outer wall of the heat sink has a toothed fin;
  • a card slot is defined in the outer wall of the heat sink and/or the inner wall of the groove for mounting the LED light source device.
  • the LED light source device further includes a hook, and a lower portion of the hook has a hook body that engages with the card slot, and an upper portion of the hook has a mounting ear for attaching to the socket.
  • the inside of the susceptor is provided with a pass along the longitudinal direction of the susceptor.
  • the heat conducting connector is a screw or a rivet or a connecting rod.
  • the heat conducting connecting member is sleeved with a sealing ring, and the sealing ring is disposed in the mounting hole of the lamp cover and cooperates with the mounting hole.
  • the inner side wall of the end cover is provided with a protrusion
  • the outer side wall of the heat sink is provided with a mounting groove
  • the protrusion is fitted with the mounting groove
  • the light source assembly is disposed in the lamp cover, and both ends of the lamp cover are sealed by the end cover, thereby preventing water or dust from entering the lamp cover, thereby improving the service life and illumination of the LED light source device. effect.
  • the lead wire of the driving power source is directly connected with the lead wire of the light source component, which can solve the problem that the contact between the terminal of the lamp cap and the lamp holder is easy to enter the water and short-circuit occurs in the prior art, thereby improving the service life of the LED light source device.
  • FIG. 1 is a front elevational view of an LED light source device according to a first embodiment of the present invention
  • Figure 2 is a cross-sectional view taken along line A-A of Figure 1;
  • FIG. 3 is a schematic view showing the installation of the LED light source device shown in FIG. 1;
  • Figure 4 is a front elevational view of the lampshade of Figure 1;
  • Figure 5 is a front elevational view of the base of Figure 4.
  • Figure 6 is a front elevational view of the lampshade of Figure 1;
  • Figure 7 is a front elevational view of the base of Figure 6;
  • FIG. 8 is a partial schematic view of an LED light source device according to a second embodiment of the present invention
  • FIG. 9 is a front view of the end cap shown in FIG. 8;
  • Figure 10 is a left side view of the end cap shown in Figure 9;
  • Figure 11 is a front elevational view of the movable cover of the end cap shown in Figure 8.
  • Figure 12 is a left side view of the movable cover shown in Figure 11;
  • Figure 13 is a front elevational view of a heat sink according to a third embodiment of the present invention.
  • Figure 14 is a left side elevational view of the heat sink of Figure 13.
  • detailed description 1 is a front view of an LED light source device according to a first embodiment of the present invention
  • FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1
  • Figure 4 is a front elevational view of the base of Figure 1
  • Figure 6 is a front elevational view of the base of Figure 1
  • Figure 7 is a front elevational view of the base of Figure 6.
  • the LED light source device includes a lamp cover 1, a base 2, a light source assembly 3, a heat sink 4, an end cover 5, and a plurality of heat conducting connectors 6.
  • the lampshade 1 is a housing structure with open ends.
  • the lampshade 1 includes a light transmitting portion 1 1 and a mounting portion 12, and the lampshade 1 can be hot extruded by using an engineering plastic, specifically using polycarbonate. Ester (Polycarbonate, PC material).
  • the light transmitting portion 1 1 may have a circular arc structure with a uniform thickness, and the circular arc structure may increase the illumination range, and the light transmitting portion 1 1 may have other similar shapes.
  • the light source unit 3 is mounted on a mounting surface of the base 2, and the other mounting surface of the base 2 is fitted to the inner wall of the mounting portion 12 and the base 2 and the light source unit 3 are mounted inside the lamp housing 1.
  • the light source assembly 3 may include a metal substrate and a plurality of LED lamp beads, the LED lamp beads are mounted on the metal substrate, the metal substrate is attached to the mounting portion 12, and the metal substrate may be an aluminum substrate to improve thermal conductivity.
  • the base 2 may have a trapezoidal cross section and a circular arc transition at the corners.
  • the shape of the mounting portion 12 of the globe 1 is adapted to the outer shape of the base 2 and has a uniform thickness such that the inner wall of the mounting portion 12 fits more closely with the mounting surface of the base 2, reducing the mounting portion 12 and the base.
  • the base 2 is internally provided with a through hole 21 along the length of the base, which can reduce the weight of the base 2 and save material.
  • the end of the base 2 is provided with a threaded hole 22, and the end cover 5 and the base 2 can be connected by bolts, so that the base 2, the lamp cover 1 and the heat sink 3 are tightly fitted to improve the heat dissipation capability of the heat sink 4.
  • the mounting surface of the heat sink 4 is attached to the outer wall of the mounting portion 12; the heat sink 4 has a recess 41 for driving the driving power source of the LED light source device, and the first lead 71 of the driving power source and the second lead of the light source unit 3 31 connections.
  • the mounting portion 12 of the lampshade 1 is provided with a plurality of mounting holes 121; a plurality of heat conducting connectors 6 are connected to the heat sink 4 and the base 2 through the mounting holes.
  • the heat conducting connecting member 6 is made of a material having better thermal conductivity.
  • the heat conducting connecting member 6 can be made of a metal material, the heat conducting connecting member 6 can be a screw or a rivet, and the heat conducting connecting member 6 can also be disposed with the base 2 or dissipating heat.
  • Connecting rod on the device 4 The connecting rod can be integrated with the base 2 or the heat sink 4.
  • the heat-conducting connecting member 6 is a screw
  • the base 2 and the heat sink 4 are respectively provided with corresponding screw holes, and the heat-conducting connecting member 6 can pass through the mounting hole 121, and the threaded holes on the base 2 and the heat sink 4,
  • the heat sink 4 is connected with the lamp cover and the base 2.
  • the end cover 5 is covered at both ends of the lamp cover 1 to seal the lamp cover 1.
  • a sealing ring can be provided at the contact of the end cap 5 with the lamp cover 1 to improve the sealing property.
  • the heat conducting connector 6 can also be sleeved with a sealing ring, and the sealing ring is disposed in the mounting hole 121 of the lamp cover 1 and cooperates with the mounting hole 121.
  • a lead hole 122 may be opened in the mounting portion 12 of the lamp cover 1, and the base
  • the second lead 31 of the light source assembly 3 passes through the lead hole 122 and is connected to the first lead 71 of the driving power source 7 through the waterproof connector 8 to avoid wiring. A short circuit occurs when water is introduced.
  • the light source assembly 3 is disposed in the lamp cover 1, and both ends of the lamp cover 1 are sealed by the end cover 5, thereby preventing water or dust from entering the lamp cover 1, and improving the LED.
  • the first lead 71 of the driving power source 1 is directly connected to the second lead 31 of the light source assembly 3, which can solve the problem that the contact between the terminal of the lamp cap and the lamp holder is easy to enter the water and short-circuit occurs in the prior art, and the LED is improved.
  • the service life of the light source device since the lamp cover 1 is a monolithic shell structure, the light source assembly 3 is disposed in the lamp cover 1, and both ends of the lamp cover 1 are sealed by the end cover 5, thereby preventing water or dust from entering the lamp cover 1, and improving the LED.
  • FIG. 8 is a partial schematic view of an LED light source device according to a second embodiment of the present invention
  • FIG. 9 is a front view of the end cap shown in FIG. 8
  • FIG. 10 is a left side view of the end cap shown in FIG. 11 is a front view of the movable cover on the end cap shown in Fig. 8
  • Fig. 12 is a left side view of the movable cover shown in Fig. 11.
  • the LED light source device provided in this embodiment is basically the same as the first embodiment, and the difference is that the end cover 5 is a housing structure, and the end cover 5 has two independent chambers, which are respectively first.
  • the first chamber 51 is a sealed chamber, and the outer end wall of the first chamber 51 is provided with a movable cover 54 that can be opened or closed. As shown in FIGS. 11 and 12, the movable cover 54 is provided.
  • the utility model is formed by an injection molding process, and the movable cover 54 has a hook 541, and the hook 541 can be engaged in the first cavity
  • the first chamber 51 is sealed on the outer end wall of the chamber 51.
  • a bolt hole 55 is defined in the inner end wall of the first chamber 51, and a corresponding side end surface of the base 2 has a threaded hole 24 (shown in FIG. 6), and the end cover 5 is mounted on the base 2 by bolts and The inner end wall of a chamber 51 seals the opening of the globe 1.
  • the end cover 5 may be first fixed to the side end wall of the base 2, and then the movable cover 54 is fastened.
  • a seal ring 57 is mounted between the inner end wall of the first chamber 51 and the open end surface of the globe 1.
  • the inner wall of the first chamber 51 is provided with an annular groove 56, and the sealing ring 57 is sleeved in the annular groove 56, and the sealing ring 57 can be a 0-type sealing ring.
  • the second lead 31 of the light source unit 3 can pass through the inner end wall and the side wall of the first chamber 51, and the first lead extension 71 of the driving power source 7 extends into the second chamber 52.
  • the second lead 31 of the light source unit 3 is connected to the first lead 71 of the driving power source 7 through the waterproof connector 8, and the waterproof connector 8 is disposed in the second chamber 52 to prevent a short circuit from entering the water at the wiring.
  • the end cover 5 has a first chamber 51 and a second chamber 52.
  • the first chamber 51 seals both ends of the lampshade 1 to prevent water or dust from entering the lampshade 1, and to improve the LED.
  • the waterproof connector connects the first lead 71 of the driving power source 7 with the first lead 31 of the light source assembly 3, and the waterproof connector is disposed in the second chamber 52, which can solve the prior art, the binding post of the lamp cap and The problem that the contact of the lamp holder is easy to enter the water and short-circuit occurs, and the service life of the LED light source device is improved.
  • FIG. 13 is a front view of a heat sink according to a third embodiment of the present invention.
  • FIG. 14 is a left side view of the heat sink shown in FIG.
  • the heat sink 4 provided in this embodiment has a U-shaped cross section, and the outer wall of the heat sink 4 has a toothed fin 43 .
  • the heat sink 43 can increase the heat dissipation area and improve the heat sink 4 . Cooling capacity.
  • a card slot 42 is defined in the outer wall of the heat sink 4 and/or the inner wall of the recess 41 for mounting the LED light source device.
  • the card slot 42 may be symmetrically opened on the outer wall of the heat sink 4, or may be symmetrically opened on the inner wall of the recess 41, or a card slot 42 may be formed in the outer wall of the heat sink 4 and the inner wall of the recess 41.
  • the LED light source device provided by the above embodiment further includes a hook 9.
  • the lower portion of the hook 9 has a hook body (not shown) engaged with the card slot 42, and the upper portion of the hook 9 has a fixing base 10. Mounted mounting ears. During installation, the hook body of the hook 9 is first engaged with the slot 42 of the heat sink 4, and then the mounting ears of the hook 9 are hooked on the fixing base 10 for easy installation and disassembly.

Abstract

一种LED光源装置，包括灯罩（1）、基座（2）、光源组件（3）、散热器（4）、端盖（5）和多个导热连接件（6）；灯罩（1）为两端开口的壳体结构，包括透光部（11）和安装部（12）；光源组件（3）安装在基座（2）的一个安装面上，基座（2）的另一个安装面与安装部（12）的内壁贴合且基座（2）和光源组件（3）安装在灯罩（1）内部；散热器（4）的安装面与安装部（12）的外壁贴合；散热器（4）具有用于放置LED光源装置的驱动电源（7）的凹槽（41），驱动电源（7）的引线与光源组件（3）的引线连接；灯罩（1）的安装部（12）开设有安装孔（121）；多个导热连接件（6）穿过安装孔（121）将散热器（4）与基座（2）连接；端盖（5）罩设在灯罩（1）的两端将灯罩（1）密封。该LED光源装置可以防止灯罩（1）内进水或灰尘，并且驱动电源（7）的引线与光源组件（3）的引线直接连接，可提高LED光源装置的使用寿命。

Description

LED光源装置
技术领域 本发明涉及 LED发光技术， 尤其涉及一种 LED光源装置。 背景技术
目前，家庭照明及户外装饰照明中，已经大量使用了发光二极管（Light Emitting Diode, 简称 LED )光源装置， LED光源装置作为照明电器取代 现有的普通白炽管灯是必然的趋势。
现有的 LED光源装置包括灯头、 光源板、 散热器和半管状的灯罩， 灯罩、 光源板和散热器的长度基本相同， 散热器的横截面为半圓形状， 外 表面具有锯齿形或矩形的散热片， 以增加散热面积， 提高散热效率。
组装时，光源板固定连接在散热器的安装平面上，灯罩罩在光源板上， 散热器和灯罩的两端分别固定安装在灯头的壳体内， 通常釆用粘接或者螺 纹连接的方式将灯头与散热器、 灯罩固定连接。
上述现有的 LED光源装置的技术方案中， 灯罩为半管状结构， 灯罩 罩设在光源板上， 由于灯罩与光源板的接触处面积较大， 不易密封， 因而 灯罩内容易进水或灰尘， 降低 LED光源装置的使用寿命和发光效果。 并 且， 由于灯头外部的接线柱与灯座卡合， 接线柱与灯座的接触处容易进水 而发生短路， 造成 LED光源装置的损坏。 发明内容
本发明提供一种 LED光源装置， 用于解决现有技术中 LED光源装置 容易进水或灰尘、 使用寿命低的技术缺陷。
本发明提供的一种 LED光源装置， 包括灯罩、 基座、 光源组件、 散 热器、 端盖和多个导热连接件；
所述灯罩为两端开口的壳体结构， 包括透光部和安装部； 所述光源组 件安装在所述基座的一个安装面上， 所述基座的另一个安装面与所述安装 部的内壁贴合且所述基座和光源组件安装在所述灯罩内部； 所述散热器的安装面与所述安装部的外壁贴合； 所述散热器具有用于 放置 LED光源装置的驱动电源的凹槽， 所述驱动电源的引线与所述光源 组件的引线连接；
所述灯罩的安装部开设有安装孔； 所述多个导热连接件穿过所述安装 孔将所述散热器与所述基座连接；
所述端盖罩设在所述灯罩的两端将所述灯罩密封。
如上所述的 LED光源装置， 所述端盖为壳体结构， 所述端盖内具有 两个独立的腔室； 第一腔室形成于所述灯罩的侧端部， 第二腔室形成于所 述散热器的侧端部。
如上所述的 LED光源装置， 所述第一腔室为密封腔室， 该第一腔室 的外端壁设置有能够开启或关闭的活动盖；
所述第一腔室的内端壁上开设有螺栓孔， 所述基座上对应的侧端面上 具有螺纹孔， 通过螺栓将端盖安装在所述基座上且所述第一腔室的内端壁 将所述灯罩的开口密封。
如上所述的 LED光源装置， 所述第一腔室的内端壁与所述灯罩的开 口端面之间安装有密封圈。
如上所述的 LED光源装置， 所述灯罩的安装部开设有引线孔， 所述 连接。
如上所述的 LED光源装置， 所述光源组件的引线穿过所述第一腔室 的内端壁和侧壁， 所述驱动电源的引线延伸至所述第二腔室内；
所述光源组件的引线与所述驱动电源的引线通过防水接线器连接， 且 所述防水接线器设置在所述第二腔室内。
如上所述的 LED光源装置， 所述散热器的截面为 U型结构， 所述散 热器的外壁具有齿状的散热片；
所述散热器的外壁和 /或所述凹槽内壁上开设有卡槽 ,用于挂装该 LED 光源装置。
如上所述的 LED光源装置， 该 LED光源装置还包括挂钩， 该挂钩的 下部具有与所述卡槽卡合的钩体， 该挂钩的上部具有用于与灯座挂接的挂 耳。 如上所述的 LED光源装置， 所述基座内部开设有沿所述基座长度方 向的通^ ^。
如上所述的 LED光源装置， 所述导热连接件为螺钉或铆钉或连接杆。 如上所述的 LED光源装置， 所述导热连接件上套接有密封圈， 所述 密封圈设置于所述灯罩的安装孔内且与该安装孔配合。
如上所述的 LED光源装置， 所述端盖的内侧壁上设置有凸起， 所述 散热器的外侧壁上设置有安装槽， 所述凸起与所述安装槽配合安装。
本发明提供的 LED光源装置， 由于灯罩为整体壳状结构， 光源组件 设置于灯罩内， 灯罩的两端通过端盖密封， 可以防止灯罩内进水或灰尘， 提高 LED光源装置的使用寿命和发光效果。 并且， 驱动电源的引线与光 源组件的引线直接连接， 可以解决现有技术中， 灯头的接线柱与灯座的接 触处容易进水而发生短路的问题， 提高 LED光源装置的使用寿命。 附图说明
图 1为本发明第一实施例提供的 LED光源装置的主视图；
图 2为沿图 1A-A线的剖视图；
图 3为图 1所示 LED光源装置的安装示意图；
图 4为图 1所示灯罩的主视图；
图 5为图 4所示基座的主视图；
图 6为图 1所示灯罩的主视图；
图 7为图 6所示基座的主视图；
图 8为本发明第二实施例提供 LED光源装置的局部示意图； 图 9为图 8所示端盖的主视图；
图 10为图 9所示端盖的左视图；
图 11为图 8所示端盖上的活动盖的主视图；
图 12为图 11所示活动盖的左视图；
图 13为本发明第三实施例提供的散热器的主视图；
图 14为图 13所示散热器的左视图。 具体实施方式 参考图 1 -7 ,图 1为本发明第一实施例提供的 LED光源装置的主视图； 图 2为沿图 1A-A线的剖视图；图 3为图 1所示 LED光源装置的安装示意 图； 图 4为图 1所示灯罩的主视图； 图 5为图 4所示基座的主视图； 图 6 为图 1所示灯罩的主视图； 图 7为图 6所示基座的主视图。
如图 1和图 2所示， 本实施例提供的 LED光源装置， 包括灯罩 1、 基 座 2、 光源组件 3、 散热器 4、 端盖 5和多个导热连接件 6。
如图 4和 5所示， 灯罩 1为两端开口的壳体结构， 灯罩 1包括透光部 1 1和安装部 12 , 灯罩 1可以釆用通明工程塑料热挤成型， 具体可以釆用 聚碳酸酯 （Polycarbonate , PC材料） 。 透光部 1 1可以为厚度均匀的圓弧 形结构， 釆用圓弧形结构可以提高光照范围， 透光部 1 1也可以为其他类 似形状。
光源组件 3安装在基座 2的一个安装面上， 基座 2的另一个安装面与 安装部 12的内壁贴合且基座 2和光源组件 3安装在灯罩 1内部。 具体地， 光源组件 3可以包括金属基板和多个 LED灯珠， LED灯珠安装在金属基 板上， 金属基板与安装部 12贴合， 金属基板可以为铝基板， 以提高导热 性能。
如图 6和 7所示，基座 2的截面可以为梯形结构，边角处为圓弧过渡。 灯罩 1的安装部 12的形状与基座 2的外廓形状相适应且厚度均匀， 以使 得安装部 12的内壁与基座 2的安装面更紧密地贴合， 减小安装部 12与基 座 2之间的间隙。 此外， 基座 2内部开设有沿基座长度方向的通孔 21 , 可 以减轻基座 2的重量且可节省材料。基座 2的端部开设有螺纹孔 22 , 可以 通过螺栓将端盖 5与基座 2连接， 使得基座 2、 灯罩 1和散热器 3之间紧 密贴合， 提高散热器 4的散热能力。
散热器 4的安装面与安装部 12的外壁贴合； 散热器 4具有用于放置 LED光源装置的驱动电源 Ί的凹槽 41 , 驱动电源 Ί的第一引线 71与光源 组件 3的第二引线 31连接。
灯罩 1的安装部 12开设有多个安装孔 121 ;多个导热连接件 6穿过安 装孔将 121与散热器 4与基座 2连接。 导热连接件 6釆用导热性能较好的 材料制成， 例如导热连接件 6可以釆用金属材料， 导热连接件 6可以为螺 钉或铆钉， 导热连接件 6也可以为设置与基座 2或散热器 4上的连接杆， 连接杆可以与基座 2或散热器 4成一体结构。 导热连接件 6为螺钉时， 基 座 2和散热器 4上均开设有位置对应的螺钉孔， 导热连接件 6可以穿过安 装孔 121、 以及基座 2和散热器 4上的螺纹孔， 将散热器 4与灯罩、 基座 2连接在一起， 该 LED光源装置在工作时， LED灯珠发光产生的热量传 至基座 2, 再通过导热连接件 6将热量传给散热器 4, 散热器 4与外部空 间交换热量， 实现对 LED光源装置散热， 并且散热效果 ^艮好。
端盖 5罩设在灯罩 1的两端将灯罩 1密封。 可以在端盖 5与灯罩 1的 接触处设置密封圈， 提高密封性。 并且， 导热连接件 6上也可以套接密封 圈， 密封圈设置于灯罩 1的安装孔 121 内且与该安装孔 121配合。
在本实施例中， 可以在灯罩 1的安装部 12上开设有引线孔 122,基座
2和散热器 4的相应位置也开设与引线孔 122对应的通孔， 光源组件 3的 第二引线 31穿过引线孔 122与驱动电源 7的第一引线 71通过防水接线器 8连接， 避免接线处进水而发生短路。
本实施例提供的 LED光源装置， 由于灯罩 1为整体壳状结构， 光源 组件 3设置于灯罩 1内， 灯罩 1的两端通过端盖 5密封， 可以防止灯罩 1 内进水或灰尘， 提高 LED光源装置的使用寿命和发光效果。 并且， 驱动 电源 1的第一引线 71与光源组件 3的第二引线 31直接连接， 可以解决现 有技术中， 灯头的接线柱与灯座的接触处容易进水而发生短路的问题， 提 高 LED光源装置的使用寿命。
参考图 8-12, 图 8为本发明第二实施例提供 LED光源装置的局部示 意图； 图 9为图 8所示端盖的主视图； 图 10为图 9所示端盖的左视图； 图 11为图 8所示端盖上的活动盖的主视图； 图 12为图 11所示活动盖的 左视图。
如图 8所示， 本实施例提供的 LED光源装置与第一实施例基本相同， 区别点在于， 端盖 5为壳体结构， 端盖 5内具有两个独立的腔室， 分别为 第一腔室 51和第二腔室 52; 第一腔室 51形成于灯罩 1的侧端部， 第二腔 室 52形成于散热器 4的侧端部。
在本实施例中， 第一腔室 51为密封腔室， 该第一腔室 51的外端壁设 置有能够开启或关闭的活动盖 54 , 如图 1 1和 12所示， 该活动盖 54釆用 注塑成型工艺制成， 活动盖 54具有卡勾 541 , 卡勾 541可以卡合在第一腔 室 51的外端壁上， 将第一腔室 51密封。
第一腔室 51的内端壁上开设有螺栓孔 55 , 基座 2上对应的侧端面上 具有螺纹孔 24 (图 6所示） ， 通过螺栓将端盖 5安装在基座 2上且第一腔 室 51的内端壁将灯罩 1的开口密封。 在组装或拆卸时， 可以先将端盖 5 固定在基座 2的侧端壁上， 然后在将活动盖 54扣合。
第一腔室 51的内端壁与灯罩 1的开口端面之间安装有密封圈 57。 具 体地， 如图 9所示， 第一腔室 51的内壁上开设有环形槽 56, 密封圈 57 套设在环形槽 56内， 密封圈 57可以选用 0型密封圈。
在本实施例中， 光源组件 3的第二引线 31可以穿过第一腔室 51的内 端壁和侧壁， 驱动电源 7的第一引线延 71伸至第二腔室 52内。
光源组件 3的第二引线 31与驱动电源 7的第一引线 71通过防水接线 器 8连接， 且防水接线器 8设置在第二腔室 52内， 避免接线处进水而发 生短路。
本实施例提供的 LED光源装置， 端盖 5具有第一腔室 51和第二腔室 52, 第一腔室 51将灯罩 1的两端密封， 可以防止灯罩 1 内进水或灰尘， 提高 LED光源装置的使用寿命和发光效果。 并且， 防水接线器将驱动电 源 7的第一引线 71和光源组件 3的第一引线 31连接， 并且防水接线器设 置在第二腔室 52内， 可以解决现有技术中， 灯头的接线柱与灯座的接触 处容易进水而发生短路的问题， 提高 LED光源装置的使用寿命。
参考图 13和 14, 图 13为本发明第三实施例提供的散热器的主视图； 图 14为图 13所示散热器的左视图。
如图 13和 14所示， 本实施例提供的散热器 4的截面为 U型结构， 散 热器 4的外壁具有齿状的散热片 43 , 散热片 43可以增大散热面积， 提高 散热器 4的散热能力。
散热器 4的外壁和 /或凹槽 41 内壁上开设有卡槽 42,用于挂装该 LED 光源装置。 卡槽 42可以对称开设在散热器 4的外壁上， 也可以对称开设 在凹槽 41内壁上，或者在散热器 4的外壁和凹槽 41内壁上均开设卡槽 42。
此外， 端盖 5的内侧壁上设置有凸起 53 (图 10所示） ， 散热器 4的 外侧壁上设置有安装槽 44 , 凸起 53与安装槽 44配合安装， 便于端盖 5 的安装和拆卸。 如图 3所示， 上述实施例提供的 LED光源装置还包括挂钩 9, 该挂钩 9下部具有与卡槽 42卡合的钩体（图中未示出）， 挂钩 9的上部具有与固 定座 10挂接的挂耳。 安装时， 先将挂钩 9的钩体与散热器 4的卡槽 42卡 合， 然后将挂钩 9的挂耳挂接在固定座 10上， 便于安装和拆卸。
最后应说明的是： 以上各实施例仅用以说明本发明的技术方案， 而非 对其限制； 尽管参照前述各实施例对本发明进行了详细的说明， 本领域的 普通技术人员应当理解： 其依然可以对前述各实施例所记载的技术方案进 行修改， 或者对其中部分或者全部技术特征进行等同替换； 而这些修改或 者替换， 并不使相应技术方案的本质脱离本发明各实施例技术方案的范 围。

Claims

权 利 要 求 书
1、 一种 LED光源装置， 其特征在于， 包括灯罩、 基座、 光源组件、 散热器、 端盖和多个导热连接件；
所述灯罩为两端开口的壳体结构， 包括透光部和安装部； 所述光源组 件安装在所述基座的一个安装面上， 所述基座的另一个安装面与所述安装 部的内壁贴合且所述基座和光源组件安装在所述灯罩内部；
所述散热器的安装面与所述安装部的外壁贴合； 所述散热器具有用于 放置 LED光源装置的驱动电源的凹槽， 所述驱动电源的引线与所述光源 组件的引线连接；
所述灯罩的安装部开设有安装孔； 所述多个导热连接件穿过所述安装 孔将所述散热器与所述基座连接；
所述端盖罩设在所述灯罩的两端将所述灯罩密封。
2、 根据权利要求 1所述的 LED光源装置， 其特征在于， 所述端盖为 壳体结构， 所述端盖内具有两个独立的腔室； 第一腔室形成于所述灯罩的 侧端部， 第二腔室形成于所述散热器的侧端部。
3、 根据权利要求 2所述的 LED光源装置， 其特征在于， 所述第一腔 室为密封腔室， 该第一腔室的外端壁设置有能够开启或关闭的活动盖； 所述第一腔室的内端壁上开设有螺栓孔， 所述基座上对应的侧端面上 具有螺纹孔， 通过螺栓将端盖安装在所述基座上且所述第一腔室的内端壁 将所述灯罩的开口密封。
4、 根据权利要求 3所述的 LED光源装置， 其特征在于， 所述第一腔 室的内端壁与所述灯罩的开口端面之间安装有密封圈。
5、 根据权利要求 1〜4任一项所述的 LED光源装置， 其特征在于， 所 述灯罩的安装部开设有引线孔， 所述光源组件的引线穿过所述引线孔与所 述驱动电源的引线通过防水接线器连接。
6、 根据权利要求 1〜4任一项所述的 LED光源装置， 其特征在于， 所 述光源组件的引线穿过所述第一腔室的内端壁和侧壁， 所述驱动电源的引 线延伸至所述第二腔室内；
所述光源组件的引线与所述驱动电源的引线通过防水接线器连接， 且 所述防水接线器设置在所述第二腔室内。
7、 根据权利要求 1-4任一项所述的 LED光源装置， 其特征在于， 所 述散热器的截面为 U型结构， 所述散热器的外壁具有齿状的散热片； 所述散热器的外壁和 /或所述卡槽内壁上开设有卡槽 ,用于挂装该 LED 光源装置。
8、 根据权利要求 7所述的 LED光源装置， 其特征在于， 该 LED光 源装置还包括挂钩， 该挂钩的下部具有与所述卡槽卡合的钩体， 该挂钩的 上部具有用于与灯座挂接的挂耳。
9、 根据权利要求 1-4任一项所述的 LED光源装置， 其特征在于， 所 述基座内部开设有沿所述基座长度方向的通孔。
10、 根据权利要求 1-4任一项所述的 LED光源装置， 其特征在于， 所 述导热连接件为螺钉或铆钉或连接杆。
11、 根据权利要求 9所述的 LED光源装置， 其特征在于， 所述导热 连接件上套接有密封圈， 所述密封圈设置于所述灯罩的安装孔内且与该安 装孔配合。
12、 根据权利要求 1-4任一项所述的 LED光源装置， 其特征在于， 所 述端盖的内侧壁上设置有凸起， 所述散热器的外侧壁上设置有安装槽， 所 述凸起与所述安装槽配合安装。
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