WO2018202053A1 - 一种防尘吊灯 - Google Patents

一种防尘吊灯 Download PDF

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Publication number
WO2018202053A1
WO2018202053A1 PCT/CN2018/085365 CN2018085365W WO2018202053A1 WO 2018202053 A1 WO2018202053 A1 WO 2018202053A1 CN 2018085365 W CN2018085365 W CN 2018085365W WO 2018202053 A1 WO2018202053 A1 WO 2018202053A1
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WIPO (PCT)
Prior art keywords
dustproof
chandelier
optical cavity
light source
assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/085365
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English (en)
French (fr)
Inventor
陈明
周定德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Opple Lighting Co Ltd
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Opple Lighting Co Ltd
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Filing date
Publication date
Application filed by Opple Lighting Co Ltd filed Critical Opple Lighting Co Ltd
Publication of WO2018202053A1 publication Critical patent/WO2018202053A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • 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
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-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
    • F21V31/00—Gas-tight or water-tight arrangements
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape

Definitions

  • the invention belongs to the technical field of illumination, and in particular relates to a dustproof chandelier.
  • Chandeliers can be seen everywhere in people's daily life, but the general chandeliers only have ordinary lighting functions, can not provide a clear cut-off spot effect, can not highlight the level of light sensitivity of the space lighting contrast. With the increasing living standards of people, the demand for individualization and diversity of lighting has been raised. In some occasions, such clear cut-off spots are needed to achieve a strong contrast between light and dark, and large lens chandeliers are in line with the needs of such scenes.
  • the large lens chandelier generally includes a lamp cap, a lens mounted in front of the lamp cap, and a light source assembly housed in the lamp cap.
  • the lens is directly exposed to the outside, and the light source assembly emits light through the lens.
  • the existing large lens chandeliers are generally not provided with a dustproof structure, and dust easily enters the lamp cap, and is absorbed on the inner wall of the lens over time, which not only affects the light effect but also affects the appearance.
  • An object of the present invention is to solve the above problems and to provide a chandelier having a dustproof effect.
  • the present invention provides a dustproof chandelier including a lamp body, the lamp body including a lamp cap, a lens mounted on the lamp cap, and a light source assembly housed in the lamp cap.
  • the light source assembly is housed in an optical cavity, and an outer portion of the optical cavity is provided with a dustproof component, the dustproof component includes a first sealing component and a second sealing component, and the first sealing component seals air into the A first passage of the optical cavity, the second sealing element sealing air into the second passage of the optical cavity.
  • the dustproof chandelier further includes a heat sink assembly housed in the lamp cap and connected to the light source assembly, the heat sink assembly including a heat sink, a first support plate connected at two ends of the heat sink, and a second support plate, the light source assembly being fixed to an outer surface of the second support plate.
  • the heat sink includes a base body and a plurality of fins disposed on a periphery of the base body, the base body is a hollow columnar structure, and the first passage is a cylindrical passage surrounded by an inner side of the base body. .
  • the first sealing element is a flexible pad, and an outer side surface of the flexible pad is in contact with an inner surface of the base body.
  • a lower surface of the flexible pad is attached to an upper surface of the second support plate.
  • the light source assembly includes a light source panel, a light emitting unit disposed on the light source panel, and a cover body covering one side of the light emitting unit.
  • the receiving cavity further houses a fixing frame, the lens is fixed on the fixing frame, and the second supporting plate, the cover body, the fixing frame and the lens constitute the optical cavity.
  • the second channel is a slit on the side of the optical cavity
  • the second sealing element is a sealing tape
  • the sealing tape is disposed on an outer side of the cover body, the second support plate and the fixing frame.
  • the dustproof chandelier further includes a ceiling box, a driving power source fixed in the ceiling box and electrically connected to the lamp body, and a device for connecting the lamp body to the ceiling box Hanging wire assembly.
  • the dustproof chandelier further includes a boom housed in the lamp cap, one end of the boom extends from the lamp head to be connected to the suspension wire assembly, and the other end is connected to the heat sink assembly.
  • the dustproof chandelier of the present invention adopts a sealing design combining two sealing elements to prevent external dust and entering the optical cavity and accumulating and adsorbing on the inner wall of the lens, thereby affecting the light effect, so that the dustproof chandelier even After a long period of work, the air in the optical cavity remains clean, thereby maintaining the high luminous efficacy of the lens and the good appearance of the dust chandelier.
  • FIG. 1 is a perspective view of a dustproof chandelier of the present invention
  • FIG. 2 is a partially exploded perspective view of the dustproof chandelier of the present invention
  • FIG. 3 is a perspective view of a lamp body of a dustproof chandelier according to the present invention.
  • Figure 4 is a partially exploded view of the lamp body of Figure 3;
  • Figure 5 is another exploded partial exploded view of the lamp body of Figure 3;
  • Figure 6 is a partially exploded view of the components in the housing cavity of the lamp body of Figure 4.
  • Figure 7 is a completely exploded view of the components in the housing cavity of Figure 6;
  • Figure 8 is a completely exploded view of another angle of the components in the housing cavity of Figure 6;
  • Figure 9 is a cross-sectional view taken along line A-A of Figure 3.
  • Fig. 10 is a partial enlarged view of Fig. 9.
  • the present embodiment provides a dustproof chandelier including a lamp body 100, a ceiling box 200, and a driving power source 300 fixed in the ceiling box 200 and electrically connected to the lamp body 100. And a suspension assembly 400 that connects the ceiling box 200 and the lamp body 100, respectively.
  • the ceiling box 200 can be first installed on the ceiling.
  • One end of the suspension assembly 400 is connected to the lower side of the ceiling box 200, and the other end of the suspension assembly 400 is connected to the lamp body 100 to realize quick installation of the dustproof chandelier.
  • the ceiling box 200 includes a mounting base 210 and a cover 220 that are assembled together.
  • the mounting base 210 is fixed to the indoor ceiling by screws 211 (such as M4 expansion screws), and the cover 220 is fixed to the mounting base 210 by screws or rotation fixing.
  • the suspension assembly 400 includes a suspension wire 410, a first connector 420 and a second connector 430 that are respectively connected to both ends of the suspension wire 410.
  • the first connecting member 420 is detachably connected to the ceiling box 200
  • the second connecting member 430 is also detachably connected to the lamp body 100.
  • the suspension wire 410 has the functions of conducting and bearing.
  • the suspension wire 410 is electrically connected to the driving power source 300 and the lamp body 100, respectively, and carries the weight of the lamp body 100.
  • the second connector 430 is a wire locker.
  • the suspension wire 410 can also be a connecting rod, and a wire is disposed in the connecting rod, so that the lamp body 100 is electrically connected to the driving power source 300 through the wire.
  • connection relationship between the components and components in the lamp body 100 on the dustproof chandelier provided by the embodiment of the present invention will be specifically described below.
  • the lamp body 100 has a streamlined shape, and includes a base 110 and a lens 120 disposed in front of the base 110.
  • the cap 110 and the lens 120 enclose a receiving cavity 130.
  • the lamp body 100 further includes a boom 10 disposed in the receiving cavity 130, a heat sink assembly 20, a light source assembly 30, a fixing frame 40, a dustproof assembly 50, and a nut 60.
  • the base 110 has a hollow water droplet flow line shape, and has two openings at both ends, namely, a first opening 111 and a second opening 112, wherein the first opening 111 has a small diameter.
  • the inner portion of the base 110 is integrally formed with a horizontal receiving plate 113, and a through hole 1131 is formed in a middle portion of the receiving plate 113.
  • the boom 10 is hollow, and one end of the boom 10 extends from the base 110 to the suspension assembly 400, and the other end of the boom 10 passes through the through hole 1131 and the radiator assembly. 20 connections.
  • one end of the boom 10 extends out of the first opening 111 and is connected to the second connecting member 430.
  • the dustproof chandelier of this embodiment further includes a wire (not shown). One end of the wire is electrically connected to the suspension wire 410, and the other end of the wire is electrically connected to the light source assembly 30 through the boom 10.
  • the heat sink assembly 20 includes a heat sink 21, a first support plate 22 and a second support plate 23 connected at both ends of the heat sink 21.
  • the heat sink 21 is made of a metal having good heat dissipation, and includes a base 211, a plurality of fins 212 disposed on the periphery of the base 211, and a positioning post 213.
  • the base 211 is a hollow columnar structure, and the fins 212 and the positioning posts 213 are distributed on the outer surface of the base 211.
  • the dustproof chandelier of the present embodiment further includes a plurality of screws (not shown) that are received in the positioning post 213 through the first support plate 22, that is, a fixed connection between the first support plate 22 and the heat sink 21 is achieved.
  • the other end of the boom 10 passes through the through hole 1131 and the first support plate 22, and is locked with the nut 60 on the other side of the first support plate 22, that is, the fixed connection between the first support plate 22 and the boom 10 is achieved. Thereby a fixed connection between the heat sink assembly 20 and the boom 10 is achieved.
  • the outer side of the first support plate 22 is fitted to the lower surface of the receiving plate 113.
  • the heat sink 21 has a cylindrical shape, and the first support plate 22 and the second support plate 23 are both circular.
  • the light source unit 30 includes a light source panel 31, a light emitting unit 32 provided on the light source panel 31, and a cover 33 provided on one side of the light emitting unit 32.
  • the light source panel 31 is fixed to the lower surface of the second support plate 23 by screws (not shown).
  • the light-emitting unit 32 uses a COB light source, that is, a high-power integrated surface light source.
  • the cover 33 is circular and made of a plastic material for sealing the light source panel 31.
  • the cover 33 includes a substrate 331 in the horizontal direction and a side wall 332 extending from the edge of the substrate 331 toward both sides.
  • the middle portion of the substrate 331 extends toward one side of the light source assembly 30, and an extension hole 333 is formed.
  • the extension hole 333 corresponds to the light-emitting unit 32 on the light source panel 31, and the extension hole 333 has a flare shape.
  • the substrate 331 is further provided with a plurality of counterbore 334 extending through the upper and lower surfaces.
  • the screw (not shown) passes through the counterbore 334 and the second support plate 23 and is received in the positioning post 213, thereby realizing the cover 33 and the second support.
  • the side wall 332 of the cover 33 extends upward to a horizontal plane where the lower surface of the second support plate 23 is located, and the light source plate 31 is received in the receiving space formed by the cover 33 and the second support plate 23.
  • the fixing frame 40 is annular, and the fixing frame 40 and the cover body 33 are rotationally fixed, thereby achieving a fixed connection between the fixing frame 40 and the optical assembly 30.
  • the inner surface of the side wall 332 of the cover 33 is provided with a plurality of grooves 3321
  • the outer surface of the side wall 41 of the fixing frame 40 is provided with a plurality of protrusions 411, and the protrusions 411 can be rotated into the grooves 3321 and up and down. Positioned in the direction.
  • the lens 120 is a biconvex curved lens which is circular, and the lens 120 is mounted on the second opening 112 of the lamp cap 110 and is held in the holder in the receiving cavity 130 . 40 on. Specifically, one side of the lens 120 is provided with a circular protrusion 1211. The circumferential outer surface of the protrusion 1211 is clamped on the inner surface of the side wall 41 of the fixing frame 40 to realize the between the lens 120 and the fixing frame 40. Fixed connection.
  • the second support plate 23, the cover 33, the holder 40 and the lens 120 constitute an optical cavity 140, and the light emitted from the light-emitting unit 32 passes through the extending hole 333 and is emitted outward from the lens 120.
  • the structure of the lens 120 cooperates with the design of the curved surface shape, which can well solve the stray light spot caused by the Fresnel loss in the optical system, can improve the design precision of the target light distribution, and achieve an ideal stray-free light state.
  • the dustproof assembly 50 includes a flexible pad 51 and a sealing tape 52.
  • the flexible pad 51 is assembled in the base 211 of the heat sink 21.
  • the flexible pad 51 is circular and external.
  • the side surface is in contact with the inner surface of the base body 211, and the lower surface thereof is in contact with the upper surface of the second support plate 22.
  • the channel in the center of the heat sink 20 is regarded as the first channel, and the flexible pad 51 is used to prevent the dust above the optical cavity 140 from entering the optical cavity 140 through the first channel; the gap on the side of the optical cavity 140 is regarded as the gap
  • the sealing tape 52 is disposed around the outer periphery of the cover 33 while covering the outer periphery of the second support plate 23, the cover 33 and the holder 50 to prevent dust from entering the optical cavity 140 from the second passage.
  • the dustproof chandelier of the present invention adopts a sealing design in which the sealing tape 52 and the flexible pad 51 are combined to prevent dust in the lamp body 100 and enter the optical cavity 140, accumulating and adsorbing on the inner wall of the lens 120, thereby affecting the light effect. .
  • the dust in the outside air does not easily enter the optical cavity 140, so that the air inside the optical cavity 140 remains clean even after long-term operation, thereby maintaining the high luminous efficiency of the lens 120 and the good appearance of the dustproof chandelier.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

一种防尘吊灯，其包括灯体（100），灯体（100）包括灯头（110）、安装在灯头（110）上的透镜（120）、及收容在灯头（110）内的光源组件（30），光源组件（30）收容在一个光学腔（140）内，光学腔（140）的外部设有防尘组件（50），防尘组件（50）包括第一密封元件（51）和第二密封元件（52），第一密封元件（51）密封空气进入光学腔（140）的第一通道，第二密封元件（52）密封空气进入光学腔（140）的第二通道。防尘吊灯采用两个密封元件（51,52）相结合的密封设计，防止外部灰尘进入光学腔（140）后积累吸附在透镜（120）的内壁而影响光效，使得防尘吊灯即使在长期工作后，光学腔（140）内空气仍然保持洁净，以此维持透镜（120）的高光效以及防尘吊灯良好的外观效果。

Description

一种防尘吊灯 技术领域
本发明属于照明技术领域，尤其涉及一种防尘吊灯。
背景技术
吊灯在人们日常生活中随处可见，但一般吊灯只是具备普通的照明功能，不能提供清晰的截止光斑效果，不能凸显空间照明明暗反差的层次感光效。随着人们生活水平日益提高，对照明提出了个性化、多样性的需求，有些场合需要这种清晰的截止光斑，达到强烈的明暗反差效果，大透镜吊灯正符合这种场景的需求。
大透镜吊灯一般包括灯头、安装在灯头前方的透镜、及收容在灯头内的光源组件，透镜直接暴露在外面，光源组件通过透镜发射出光线。现有的大透镜吊灯一般未设置防尘结构，灰尘容易进入灯头内，日积月累的吸附在透镜的内壁，不仅影响光效，而且影响外观。
发明内容
本发明的目的是为了解决上述问题，提供一种具有防尘效果的吊灯。
为实现上述目的，本发明提供一种防尘吊灯，所述防尘吊灯包括灯体，所述灯体包括灯头、安装在所述灯头上的透镜、及收容在所述灯头内的光源组件，所述光源组件收容在一个光学腔内，所述光学腔的外部设有防尘组件，所述防尘组件包括第一密封元件和第二密封元件，所述第一密封元件密封空气进入所述光学腔的第一通道，所述第二密封元件密封空气进入所述光学腔的第二通道。
进一步的，所述防尘吊灯还包括收容在所述灯头内且与所述光源组件连接的散热器组件，所述散热器组件包括散热器、连接在所述散热器两端的第一支撑板和第二支撑板，所述光源组件固定在所述第二支撑板的外表面。
进一步的，所述散热器包括基体、及设置在所述基体外围的若干个散热片，所述基体为中空的柱状结构，所述第一通道为所述基体的内侧 围设成的柱形通道。
进一步的，所述第一密封元件为柔性垫，所述柔性垫的外侧面与所述基体的内表面贴合。
进一步的，所述柔性垫的下表面与所述第二支撑板的上表面贴合。
进一步的，所述光源组件包括光源板、设置在所述光源板上的发光单元、及覆盖在所述发光单元一侧的罩体。
进一步的，所述收容腔内还收容有固定架，所述透镜固定在所述固定架上，所述第二支撑板、罩体、固定架和透镜构成所述光学腔。
进一步的，所述第二通道为光学腔侧面的缝隙，所述第二密封元件为密封胶带，所述密封胶带围设在所述罩体、第二支撑板和固定架的外侧面。
进一步的，所述防尘吊灯还包括吸顶盒、固定在所述吸顶盒内且与所述灯体电性连接的驱动电源、以及用于将所述灯体与所述吸顶盒连接的吊线组件。
进一步的，所述防尘吊灯还包括收容在所述灯头内的吊杆，所述吊杆的一端延伸出所述灯头与所述吊线组件连接，另一端与所述散热器组件连接。
相较于现有技术，本发明的防尘吊灯，采用两个密封元件相结合的密封设计，防止外部灰尘及进入光学腔而积累吸附在透镜的内壁，影响光效，使得该防尘吊灯即使在长期工作后，光学腔内空气仍然保持洁净，以此维持了透镜的高光效以及该防尘吊灯良好的外观效果。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明中记载的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本发明的防尘吊灯的立体示意图；
图2为本发明的防尘吊灯的部分分解示意图；
图3为本发明的防尘吊灯的灯体的立体示意图；
图4为图3的灯体的部分分解图；
图5为图3的灯体的另一角度部分分解图；
图6为图4的灯体的收容腔内的元件的部分分解图；
图7为图6的收容腔内的元件的完全分解图；
图8为图6的收容腔内的元件的另一角度的完全分解图；
图9为沿图3内A-A线的剖视图；
图10为图9的局部放大图。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚，下面将结合本发明具体实施例及相应的附图对本发明技术方案进行清楚、完整地描述。显然，所描述的实施例仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
如图1和图2所示，本实施例提供了一种防尘吊灯，其包括灯体100、吸顶盒200、固定在吸顶盒200内且与灯体100电性连接的驱动电源300、以及分别连接吸顶盒200及灯体100的吊线组件400。具体地，吸顶盒200可先安装在天花板上，吊线组件400的一端连接至吸顶盒200的下方，吊线组件400的另一端与灯体100连接，实现防尘吊灯的快速安装。
如图1和图2所示，吸顶盒200包括组装在一起的安装基部210和盖体220。安装基部210通过螺丝211(如M4膨胀螺丝)固定在室内天花板上，盖体220再通过螺丝或者旋转固定的方式固定在安装基部210上。
吊线组件400包括吊线410、分别连接于吊线410两端的第一连接件420和第二连接件430。其中，第一连接件420与吸顶盒200可拆卸连接，第二连接件430与灯体100之间也可拆卸连接。在本实施例中，吊线410兼具导电和承重的功能，吊线410分别与驱动电源300和灯体100分别 电性连接，并承载灯体100的重量。第二连接件430为锁线器。在替他可替换的实施例中，吊线410也可以采用连杆，在连杆内装有导线，使灯体100通过该导线与驱动电源300电性连接。
以下针对本发明实施例提供的防尘吊灯上灯体100内的各个元件及元件之间的连接关系作具体说明。
如图2至图10所示，灯体100呈水滴流线状，包括灯头110、及设置在灯头110前方的透镜120。其中，灯头110和透镜120围设形成收容腔130。灯体100还包括设置于收容腔130内的吊杆10、散热器组件20、光源组件30、固定架40、防尘组件50、及螺母60。
如图2至图5所示，灯头110为中空的水滴流线状，其两端分别具有一个开口，即第一开口111和第二开口112，其中第一开口111的口径较小。灯头110的内部一体式成型有一个水平的承接板113，承接板113的中部形成有通孔1131。
如图2至图4、及图9所示，吊杆10呈中空状，吊杆10的一端延伸出灯头110与吊线组件400连接，吊杆10的另一端穿过通孔1131与散热器组件20连接。在本实施例中，吊杆10的一端延伸出第一开口111并与第二连接件430连接。本实施例的防尘吊灯还包括导线(未图示)，导线的一端与吊线410电性连接，导线的另一端穿过吊杆10与光源组件30电性连接。
如图4至图10所示，散热器组件20包括散热器21、连接在散热器21两端的第一支撑板22和第二支撑板23。散热器21由散热性较好的金属制成，其包括基体211、设置在基体211外围的若干个散热片212及定位柱213。其中，基体211为中空的柱状结构，散热片212和定位柱213分布在基体211的外表面。本实施例的防尘吊灯还包括若干个螺丝(未图示)，通过螺丝穿过第一支撑板22收容在定位柱213内，即实现第一支撑板22与散热器21之间的固定连接。吊杆10的另一端穿过通孔1131和第一支撑板22，用螺母60在第一支撑板22的另一侧锁紧，即实现第一支撑板22与吊杆10之间的固定连接，从而实现散热器组件20与吊杆10之间的固定连接。同时，第一支撑板22的外侧与承接板113的下表面 贴合。在本实施例中，散热器21为圆柱状，第一支撑板22和第二支撑板23均为圆形。
如图5至图10所示，光源组件30包括光源板31、设置在光源板31上的发光单元32、及设置在发光单元32一侧的罩体33。具体的，光源板31通过螺丝(未标示)固定在第二支撑板23的下表面。在本实施例中，发光单元32采用的是COB光源，也就是高功率集成面光源。罩体33为圆形，由塑胶材料制成，用于密封光源板31。具体地，罩体33包括水平方向的基板331、及由基板331的边缘向两侧延伸形成的侧壁332。进一步地，基板331的中部向光源组件30的一侧延伸，并且形成一延伸孔333，延伸孔333与光源板31上的发光单元32对应，延伸孔333呈喇叭状。基板331上还设有贯穿上下表面的若干个沉孔334，螺丝(未图示)穿过沉孔334和第二支撑板23后收容在定位柱213内，从而实现罩体33、第二支撑板23与散热器21之间的固定连接。罩体33的侧壁332向上延伸至第二支撑板23下表面所在的水平面，光源板31则收容于罩体33与第二支撑板23围设形成的收容空间内。
如图6至图10所示，固定架40为圆环状，固定架40与罩体33之间旋转固定，以此实现固定架40和光学组件30之间的固定连接。具体地，罩体33的侧壁332的内表面设有若干个凹槽3321，固定架40的侧壁41外表面设有若干个凸块411，凸块411可旋转进入凹槽3321并在上下方向上得到定位。
如图4至图6、及图10所示，透镜120为双凸曲面透镜，其呈圆形，透镜120安装在灯头110的第二开口112处，并卡持在收容腔130内的固定架40上。具体地，透镜120的一侧设有一个圆形的凸块1211，凸块1211周向的外表面卡持在固定架40的侧壁41的内表面，实现透镜120与固定架40之间的固定连接。第二支撑板23、罩体33、固定架40和透镜120构成光学腔140，发光单元32发出的光，通过延伸孔333，由透镜120向外出射。该透镜120的结构配合曲面面型的设计，可以很好地解决光学系统中由于菲涅尔损耗造成的杂散光斑，能够提高目标配光的设计精度，达到比较理想的无杂散光状态。
如图6至图10所示，防尘组件50包括柔性垫51和密封胶带52，柔性垫51组装在散热器21的基体211内，在本实施例中，柔性垫51为圆形，其外侧面与基体211的内表面贴合，其下表面与第二支撑板22的上表面贴合。本实施例的防尘吊灯，将散热器20中心的通道视为第一通道，采用柔性垫51阻止光学腔140上方的灰尘通过第一通道进入光学腔140；将光学腔140侧面的缝隙视为第二通道，密封胶带52围设在罩体33的外周，同时覆盖第二支撑板23、罩体33和固定架50的外周，阻止灰尘由第二通道进入光学腔140。
综上所述，本发明的防尘吊灯，采用密封胶带52和柔性垫51相结合的密封设计，防止灯体100内的灰尘及进入光学腔140，积累吸附在透镜120的内壁，影响光效。外界空气中的灰尘不易进入光学腔140，使得该防尘吊灯即使在长期工作后，光学腔140内空气仍然保持洁净，以此维持了透镜120的高光效以及该防尘吊灯良好的外观效果。
以上所述的具体实例，对本发明的目的、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本发明的具体实施例而已，并不用于限制本发明，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种防尘吊灯，其特征在于，所述防尘吊灯包括灯体，所述灯体包括灯头、安装在所述灯头上的透镜、及收容在所述灯头内的光源组件，所述光源组件收容在一个光学腔内，所述光学腔的外部设有防尘组件，所述防尘组件包括第一密封元件和第二密封元件，所述第一密封元件密封空气进入所述光学腔的第一通道，所述第二密封元件密封空气进入所述光学腔的第二通道。
  2. 根据权利要求1所述的防尘吊灯，其特征在于，所述防尘吊灯还包括收容在所述灯头内且与所述光源组件连接的散热器组件，所述散热器组件包括散热器、连接在所述散热器两端的第一支撑板和第二支撑板，所述光源组件固定在所述第二支撑板的外表面。
  3. 根据权利要求2所述的防尘吊灯，其特征在于，所述散热器包括基体、及设置在所述基体外围的若干个散热片，所述基体为中空的柱状结构，所述第一通道为所述基体的内侧围设成的柱形通道。
  4. 根据权利要求3所述的防尘吊灯，其特征在于，所述第一密封元件为柔性垫，所述柔性垫的外侧面与所述基体的内表面贴合。
  5. 根据权利要求4所述的防尘吊灯，其特征在于，所述柔性垫的下表面与所述第二支撑板的上表面贴合。
  6. 根据权利要求2所述的防尘吊灯，其特征在于，所述光源组件包括光源板、设置在所述光源板上的发光单元、及覆盖在所述发光单元一侧的罩体。
  7. 根据权利要求6所述的防尘吊灯，其特征在于，所述防尘吊灯还包括收容在所述灯头内的固定架，所述透镜固定在所述固定架上，所述第二支撑板、罩体、固定架和透镜构成所述光学腔。
  8. 根据权利要求7所述的防尘吊灯，其特征在于，所述第二通道为所述光学腔侧面的缝隙，所述第二密封元件为密封胶带，所述密封胶带围设在所述罩体、第二支撑板和固定架的外侧面。
  9. 根据权利要求2所述的防尘吊灯，其特征在于，所述防尘吊灯还 包括吸顶盒、固定在所述吸顶盒内且与所述灯体电性连接的驱动电源、以及用于将所述灯体与所述吸顶盒连接的吊线组件。
  10. 根据权利要求9所述的防尘吊灯，其特征在于，所述防尘吊灯还包括收容在所述灯头内的吊杆，所述吊杆的一端延伸出所述灯头与所述吊线组件连接，另一端与所述散热器组件连接。
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