WO2018233529A1 - 照明装置 - Google Patents

照明装置 Download PDF

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Publication number
WO2018233529A1
WO2018233529A1 PCT/CN2018/091080 CN2018091080W WO2018233529A1 WO 2018233529 A1 WO2018233529 A1 WO 2018233529A1 CN 2018091080 W CN2018091080 W CN 2018091080W WO 2018233529 A1 WO2018233529 A1 WO 2018233529A1
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WO
WIPO (PCT)
Prior art keywords
lamp body
lighting device
substrate
hole
positioning
Prior art date
Application number
PCT/CN2018/091080
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English (en)
French (fr)
Inventor
邹东洪
倪国龙
张国宝
Original Assignee
苏州欧普照明有限公司
欧普照明股份有限公司
Priority date (The priority date 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 date listed.)
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Application filed by 苏州欧普照明有限公司, 欧普照明股份有限公司 filed Critical 苏州欧普照明有限公司
Publication of WO2018233529A1 publication Critical patent/WO2018233529A1/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
    • 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
    • F21V17/16—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 deformation of parts; Snap action mounting
    • 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

Definitions

  • the invention belongs to the technical field of illumination, and in particular relates to a lighting device.
  • lighting devices on the market such as LED downlights or spotlights widely used in indoor lighting
  • a diffusing mask that seals the LED light source and the driving power source, and a mounting surface ring that is attached to the outside of the casing. Due to too many components in the existing lighting device, the lighting device is expensive to assemble and has low assembly efficiency.
  • LED downlights or spotlights for indoor lighting have a tendency to be miniaturized, so the installation space for accommodating the LED light source and the driving power source in the lighting device is relatively limited, so how to place the LED in a limited installation space.
  • the light source and the driving power source are also problems to be solved by the present invention.
  • An object of the present invention is to solve the above problems and to provide a lighting device which is easy to install and compact in structure.
  • the present invention provides a lighting device including a lamp body, an insulating cover body assembled on one side of the lamp body, a photoelectric module housed in the lamp body and the insulating cover body, and a diffusion assembled on the other side of the lamp body.
  • the lamp body including a bottom wall having a through hole and a sidewall extending from an edge of the bottom wall
  • the photoelectric module including a substrate, a light source disposed on one side of the substrate and a driving power source disposed on the substrate, wherein the substrate abuts the bottom wall
  • the lighting device further includes connecting the lamp body, the photoelectric module, and the insulating cover Connector.
  • the bottom wall is further provided with a first positioning hole located outside the through hole and communicating with the through hole, and the insulating cover body is provided with a positioning post that cooperates with the first positioning hole, A second positioning hole is formed on the substrate, and the positioning post is provided with a receiving hole for receiving the connecting member.
  • the lighting device further includes a snap spring assembled to the lamp body.
  • the lighting device further includes a card assembled outside the side wall and a card spring assembled at one end of the card, and the card and the side wall are fixedly connected by screws.
  • the lamp body further includes a face ring portion horizontally extending from a free end of the side wall.
  • an inner surface of the side wall is provided with a card slot, and an edge of the diffusion mask is received in the card slot.
  • the insulating cover is provided with a channel, a positioning channel, and a holding arm is disposed between the channel and the positioning channel, and the power cable extends into the insulating cover through the channel, and the lighting device Also included are positioning members housed in the positioning channel.
  • the bottom wall is further provided with a notch located outside the through hole and communicating with the through hole, and the substrate is provided with an opening corresponding to the notch and the positioning channel, the positioning member And passing through the notch and the opening in sequence to be received in the positioning channel.
  • the driving power source is disposed on one side or both sides of the substrate.
  • the lamp body is a metal lamp body
  • the light source is an LED light source
  • the driving power source is an LED driving power source
  • the driving power source extends into the insulating cover body through the through hole.
  • the present invention further provides a lighting device including: a lamp body, a photovoltaic module, an insulating cover assembled on one side of the lamp body, a diffusing mask assembled on the other side of the lamp body, and electrical with the photovoltaic module a power cable
  • the lamp body includes a bottom wall and a side wall, the bottom wall and the side wall are surrounded to form a first receiving space
  • the insulating cover body is provided with a second receiving space, the first receiving space and the first receiving space
  • the second receiving space is in communication
  • the photoelectric module is at least received in the first receiving space and thermally contacts the bottom wall of the lamp body, and the lamp body, the photoelectric module and the insulating cover are fixedly connected.
  • the lighting device further includes a connecting member that connects the lamp body, the photoelectric module, and the insulating cover.
  • the bottom wall is further provided with a first positioning hole located outside the through hole and communicating with the through hole, and the insulating cover body is provided with a positioning post that cooperates with the first positioning hole, A second positioning hole is formed on the substrate, and the positioning post is provided with a receiving hole for receiving the connecting member.
  • an inner surface of the side wall is provided with a card slot, and an edge of the diffusion mask is received in the card slot.
  • the photovoltaic module includes a substrate, a light source disposed on one side of the substrate, and a driving power source disposed on the substrate, the substrate contacting the bottom wall.
  • the bottom wall is provided with a through hole, and the driving power source extends through the through hole into the second receiving space of the insulating cover.
  • the lamp body further includes a face ring portion horizontally extending from a free end of the side wall.
  • the lighting device provided by the present invention can adapt to the trend of miniaturization.
  • the number of components in the lighting device provided by the present invention is small, so assembly is convenient and fast, and the assembly cost is low.
  • FIG. 1 is a perspective assembled view of a lighting device according to a preferred embodiment of the present invention.
  • FIG. 2 is another perspective assembled view of a lighting device according to a preferred embodiment of the present invention.
  • Figure 3 is a partial perspective assembled view of Figure 1;
  • Figure 4 is a perspective view of another portion of Figure 1;
  • Figure 5 is an exploded perspective view of Figure 1;
  • Figure 6 is an exploded perspective view of Figure 2;
  • Figure 7 is a cross-sectional view taken along line A-A of Figure 1.
  • the illuminating device 100 includes: a metal lamp body 1 , a part or all of the photoelectric module 2 housed in the metal lamp body 1 , and is mounted in the inner metal lamp body 1 and located in the metal lamp body 1 .
  • Two cards 6 mounted on both sides of the metal lamp body 1 and having the circlip 7 respectively, and three connectors (not shown) for fixedly connecting the metal lamp body 1, the photovoltaic module 2, and the insulating cover 4 are provided.
  • the connecting member may be a positioning screw.
  • the illumination device 100 described above may be an embedded LED downlight or spotlight for indoor illumination.
  • the metal lamp body 1 is substantially in the shape of a drum, which may be made of a heat conductive metal material such as aluminum, which has high thermal conductivity.
  • the metal lamp body 1 includes a bottom wall 11, a side wall 12 extending vertically from the edge of the bottom wall 11 and having a circular shape, and a face ring portion 13 extending horizontally at the free end of the side wall 12.
  • the bottom wall 11 and the side wall 12 of the metal lamp body 1 are surrounded by a first receiving space 14 , and the photovoltaic module 2 is housed in the first receiving space 14 .
  • a middle portion of the bottom wall 11 is provided with a through hole 111 through which a portion of the photovoltaic module 2 can extend out of the metal lamp body 1.
  • the bottom wall 11 is further provided with three first positioning holes 112 located outside the through hole 111 and communicating with the through hole 111.
  • the three first positioning holes 112 on the metal lamp body 1 are engaged with a part of the insulating cover 4 such that the insulating cover 4 is initially positioned on the metal lamp body 1.
  • the bottom wall 11 of the metal lamp body 1 is further provided with a notch 113 which is located outside the through hole 11 and communicates with the through hole 111.
  • the inner surface of the side wall 12 of the metal lamp body 1 is provided with a card slot 121 for mounting the diffusing mask 3, and the card slot 121 has an annular shape and is located close to the face ring portion 13.
  • the photovoltaic module 2 includes a substrate 21, an LED light source 22 disposed on the substrate 21 side, and an LED driving power source 25 disposed on the substrate 21.
  • the LED driving power source may be disposed on both sides of the substrate 21 or on the other side of the substrate 21 where the LED light source 22 is not disposed.
  • One end of the power line 5 is soldered to the substrate 21 and an external power source can be transmitted to the LED driving power source, and the LED driving power source can drive the LED light source 22 to emit light.
  • the LED driver power supply includes several components including, but not limited to, LED driver controller chips, rectifier chips, resistors, capacitors, fuses, and coils.
  • the substrate 21 is in contact with the bottom wall 11 of the metal lamp body 1.
  • the photovoltaic module 2 is in thermal contact with the metal lamp body 1.
  • the substrate 21 can be a printed circuit board with a conductive line (not shown) attached thereto.
  • the LED light source 22 and the LED driving power source 25 can be electrically connected through the conductive line.
  • the substrate 21 is further provided with three second positioning holes 211 corresponding to the first positioning holes 112 and engaging with a portion of the insulating cover 4, and an opening 212.
  • the three second positioning holes 211 are triangularly distributed on the substrate 21 and penetrate the upper and lower surfaces of the substrate 21 .
  • the LED light source 22 is a plurality of LED lighting units.
  • the LED light source 22 and the LED driving light source 25 can be electrically connected to the substrate 21 by a through hole technology (THT) or a surface mount technology (SMT).
  • THT through hole technology
  • SMT surface mount technology
  • the LED light source 22 and the LED driving power source 25 on the photovoltaic module 2 can be integrated on both surfaces of the substrate 21.
  • the LED light source 22 is disposed on the upper surface of the substrate 21, the LED driving power source is disposed on the lower surface of the substrate 21, and the upper surface of the substrate 21 is directed toward one surface of the diffusion mask 4.
  • the substrate 21 is attached to the bottom wall 11 of the metal lamp body 1. Since the LED light source 22 and the LED driving power source 25 are integrated on the substrate 21, the photovoltaic module 2 occupies less space, and the small-sized lighting device occupies a small space for the LED light source 22 and the LED driving power source 25 when the internal space is limited. Claim.
  • the form of the LED driving power source one may be a partial patch on the side of the substrate 21 on which the LED light source 22 is disposed, and the other side of the substrate 21 is provided with a component for reducing the cost of the plug-in driving power source; the other may also be The substrate 21 is provided with all the patches on one side of the LED light source 22, or all of the plugs or partial patch portions on the other side.
  • the diffusion mask 3 has a flat circular shape, which may be made of polymethyl methacrylate (PMMA) or polycarbonate (PC) material.
  • PMMA polymethyl methacrylate
  • PC polycarbonate
  • the diffusing mask 3 diffuses and condenses the light, so that the light emitted from the diffusing mask 3 is uniform in brightness and the irradiation angle is increased, thereby achieving uniform illumination.
  • the diffusing mask 3 is an insulating member and also has an electrical insulating effect.
  • the insulating cover 4 is integrally formed of a plastic material, and is also substantially in the shape of a barrel, one end of which is in close contact with the bottom wall 11 of the metal lamp body 1 and the bottom wall 11
  • the upper through hole 111 is covered.
  • the insulating cover 4 includes a circular bottom wall 41 and an annular side wall 42 extending upward from the circular bottom wall 41.
  • the bottom wall 41 and the side wall 42 enclose a second receiving space (not labeled). It should be noted that since the through hole 111 is formed in the bottom wall 11 of the metal lamp body 1, when the insulating cover 4 is assembled to the metal lamp body 1, the first housing space 14 communicates with the second housing space.
  • the insulating cover 4 is provided with three hollow positioning posts 43.
  • the three positioning posts 43 are formed by extending the inner surface of the bottom wall 41 of the insulating cover 4, and each positioning post 43 is provided with a connection.
  • a member (not shown) accommodates the hole 431.
  • the photovoltaic module 2 can be assembled into the first housing space 14 of the metal lamp body 1.
  • the substrate 21 of the photovoltaic module 2 is in close contact with the bottom wall 11 of the metal lamp body 1.
  • the free end of each positioning post 43 is located in the second positioning hole 211 of the substrate 21.
  • the substrate 21, the metal lamp body 1 and the insulating cover body 4 can be locked together by the cooperation of the connector (not shown) with the second positioning hole 211 and the positioning post 43.
  • the connecting member may be a positioning screw. The threaded portion of the positioning screw passes through the second positioning hole 211 and is partially received in the receiving hole 431 in the positioning post 43. The head of the positioning screw presses against the substrate 21.
  • the substrate 21 The metal lamp body 1 and the insulating cover body 4 can be fixedly connected to each other by a set screw.
  • the substrate 21 of the photovoltaic module 2 is in close contact with the bottom wall 11 of the metal lamp body 1, the heat generated on the photovoltaic module 2 can be directly dissipated through the bottom wall 11 of the metal lamp body 1, and therefore, the illumination device 100 has Good heat dissipation.
  • the LED driving power source 25 on the photovoltaic module 2 extends into the second receiving space through the through hole 111.
  • the insulating cover 4 is further provided with a channel 44 and a positioning channel 45 extending in the vertical direction and arranged side by side, and a holding arm 46 is disposed between the channel 44 and the positioning channel 45.
  • the power cord 5 can enter the insulating cover 4 through the passage 44, pass through the through hole 111 in the bottom wall 11, and be electrically connected to the substrate 21 of the photovoltaic module 2.
  • the illumination device 100 further includes a positioning member (not shown) that can be received in the positioning channel 45.
  • a part of the positioning member can be sequentially received in the positioning groove 45 through the opening 212 and the notch portion 113.
  • the positioning member drives the holding arm 46 to move toward the side of the channel 44, so that the holding arm 46 presses the power line 5 and interferes with the power line 5, so that a part of the power line 5 is positioned.
  • the positioning member may be a positioning screw.
  • the power supply line 5 includes a wire 51 and an insulating sheath 52 that is wrapped around the wire 51.
  • One end of the power supply line 5 is soldered to the substrate 21, and the other end of the power supply line 5 extends out of the insulating cover 4 to be connected to an external power source.
  • the card 6 is made of a metal material and has an arc shape and is attached to the outer surface of the side wall 12 of the metal lamp body 1.
  • the card 6 is attached to the side wall 12 by screws (not shown).
  • the snap spring 7 is assembled to one end of the card 8, which is also made of a metal material.
  • Two cards 8 respectively mounted with the circlip 7 are attached to the outside of the side wall 12 of the metal lamp body 1 and are fixedly connected to the metal lamp body 1.
  • the illumination device 100 can be mounted on a mounting base (not shown).
  • the illuminating device 100 may not include a card, and the circlip may be directly mounted on the metal lamp body.
  • the metal lamp body in the illumination device provided by the invention has the characteristics of good thermal conductivity, and the photoelectric module is placed in the metal lamp body, so that the LED light source located on the photoelectric module in the metal lamp body generates heat.
  • the temperature in the metal lamp body is prevented from being too high, which affects the use quality and service life of the LED light source.
  • the LED light source and the driving power source are integrated on one substrate, the space of the lighting device is saved, and therefore, the lighting device provided by the present invention can also adapt to the trend of miniaturization.
  • the number of components in the lighting device provided by the present invention is small, so assembly is convenient and fast, and the assembly cost is low.

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  • 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)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

一种照明装置（100），其包括灯体（1）、组装于灯体一侧的绝缘盖体（4）、收容于灯体及绝缘盖体内的光电模块（2）、组装于灯体另一侧的扩散面罩（3）及延伸入绝缘盖体且与光电模块电性连接的电源线（5），灯体包括具有通孔（111）的底壁（11）及由底壁边缘延伸而成的侧壁（12），光电模块包括基板（21）、设置于基板一侧的LED光源（22）及设置于基板上的驱动电源（25），基板抵接底壁（11），照明装置还包括将灯体、光电模块及绝缘盖体连接的连接件。由于LED光源及驱动电源集成于一个基板上，节约了照明装置的空间，因此照明装置能适应小型化的趋势。另外，照明装置内的元件数量少，因此组装方便且快速，并且组装成本低。

Description

照明装置 技术领域
本发明属于照明技术领域，尤其涉及一种照明装置。
背景技术
目前市场上的照明装置，如广泛应用于室内照明的LED筒灯或射灯，其包括壳体、安装于壳体内的LED光源、安装于壳体内且与LED光源连接的驱动电源、组装于壳体上将LED光源及驱动电源密封的扩散面罩及安装于壳体外的安装面环等组成部分。由于现有照明装置内的元件太多，从而导致照明装置组装成本高、组装效率低。
另外，用于室内照明的LED筒灯或射灯具有小型化的趋势，因此照明装置内的用于收容LED光源及驱动电源的安装空间会比较有限，因此，如何在有限的安装空间内放置LED光源及驱动电源也是本发明所要解决的问题。
发明内容
本发明的目的是为了解决上述问题，提供一种安装方便、结构紧凑的照明装置。
为实现上述目的，本发明提供一种照明装置，其包括灯体、组装于灯体一侧的绝缘盖体、收容于灯体及绝缘盖体内的光电模块、组装于灯体另一侧的扩散面罩及延伸入绝缘盖体且与光电模块电性连接的电源线，所述灯体包括具有通孔的底壁及由所述底壁边缘延伸而成的侧壁，所述光电模块包括基板、设置于基板一侧的光源及设置于基板上的驱动电源，所述基板抵接所述底壁，所述照明装置还包括将所述灯体、所述光电模块及所述绝缘盖体连接的连接件。
进一步地，所述底壁上还设有位于所述通孔外侧且与所述通孔连通的第一定位孔，所述绝缘盖体上设有与所述第一定位孔配合的定位柱，所述基板上设有与所述定位柱配合的第二定位孔，所述定位柱设有收容所述连接件的收容孔。
进一步地，所述照明装置还包括组装于所述灯体的卡簧。
进一步地，所述照明装置还包括组装于所述侧壁外的卡片及组装于所 述卡片一端的卡簧，所述卡片及所述侧壁通过螺钉固定连接。
进一步地，所述灯体还包括由所述侧壁自由端水平延伸的面环部。
进一步地，所述侧壁的内表面设有卡槽，所述扩散面罩的边缘收容于所述卡槽。
进一步地，所述绝缘盖体内设有通道、定位槽道及位于通道与定位槽道之间设有卡持臂，所述电源线通过所述通道延伸入所述绝缘盖体，所述照明装置还包括收容于定位槽道内的定位件。
进一步地，所述底壁上还设有位于通孔外侧且与所述通孔连通的缺口，所述基板上设有与所述缺口及所述定位槽道对应的开孔，所述定位件依次穿过所述缺口及开孔而收容于所述定位槽道内。
进一步地，所述驱动电源设置于所述基板的一侧或两侧。
进一步地，所述灯体为金属灯体，所述光源为LED光源，所述驱动电源为LED驱动电源。
进一步地，所述驱动电源通过所述通孔延伸入所述绝缘盖体内。
为实现上述目的，本发明还提供一种照明装置其包括：灯体、光电模块、组装于灯体一侧的绝缘盖体、组装于灯体另一侧的扩散面罩、及与光电模块电性连接的电源线，所述灯体包括底壁及侧壁，所述底壁及侧壁围设形成第一收容空间，所述绝缘盖体设有第二收容空间，所述第一收容空间与所述第二收容空间连通，所述光电模块至少收容于所述第一收容空间内并热接触所述灯体的底壁，所述灯体、光电模块及所述绝缘盖体固定连接为一体。
进一步地，所述照明装置还包括将所述灯体、所述光电模块及所述绝缘盖体连接的连接件。
进一步地，所述底壁上还设有位于所述通孔外侧且与所述通孔连通的第一定位孔，所述绝缘盖体上设有与所述第一定位孔配合的定位柱，所述基板上设有与所述定位柱配合的第二定位孔，所述定位柱设有收容所述连接件的收容孔。
进一步地，所述侧壁的内表面设有卡槽，所述扩散面罩的边缘收容于所述卡槽。
进一步地，所述光电模块包括基板、设置于基板一侧的光源及设置于基板上的驱动电源，所述基板接触所述底壁。
进一步地，所述底壁上设有通孔，所述驱动电源通过所述通孔延伸入 所述绝缘盖体的第二收容空间内。
进一步地，所述灯体还包括由所述侧壁自由端水平延伸的面环部。
相较于现有技术，由于LED光源及驱动电源集成于一个基板上，节约了照明装置的空间，因此，本发明提供的照明装置能适应小型化的趋势。另外，本发明提供的照明装置内的元件数量少，因此组装方便且快速，并且组装成本低。
附图说明
此处所说明的附图用来提供对本发明的进一步理解，构成本发明的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1为本发明优选实施例提供的照明装置的立体组装图；
图2为本发明优选实施例提供的照明装置的另一角度立体组装图；
图3为图1的部分立体组装图；
图4为图1的另一部分立体组装图；
图5为图1的立体分解图；
图6为图2的立体分解图；
图7为沿图1内A-A线的剖面图。
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。
图1至图7显示了本发明优选实施例提供的一种照明装置100。如图1至图7所示，该照明装置100包括：金属灯体1、部分或全部收容于金属灯体1内的光电模块2、安装于内金属灯体1内且位于金属灯体1一侧的扩散面罩3、组装于金属灯体1一侧且与金属灯体1固定连接的绝缘盖体4、电性连接至光电模块2且从绝缘盖体4向外延伸而出的电源线5、安装于金属灯体1两侧且分别带有卡簧7的两个卡片6、以及将金属灯体1、光电模块2及绝缘盖体4固定连接的三个连接件(未图示)。优选地， 上述连接件可以为定位螺钉。上述照明装置100可以为一个用于室内照明的嵌入式LED筒灯或射灯。
以下针对本发明优选实施例提供的照明装置100内的各个元件及元件之间的连接关系作具体说明。
如图3至图7所示，金属灯体1大致呈圆桶状，其可以由铝等导热金属材料制成，其具有高导热性能。金属灯体1包括底壁11、由底壁11的边缘竖直延伸且呈圆环形的侧壁12及设置于侧壁12自由端且水平延伸呈的面环部13。金属灯体1的底壁11及侧壁12围设形成第一收容空间14，光电模块2收容于第一收容空间14内。具体地，底壁11的中间区域设有一个通孔111，光电模块2上的一部分可以通过通孔111延伸出金属灯体1。进一步地，底壁11上还设有位于通孔111外侧且与通孔111连通的三个第一定位孔112。金属灯体1上的三个第一定位孔112与绝缘盖体4上的一部分卡持配合，使得绝缘盖体4初步定位至金属灯体1上。金属灯体1底壁11上还设有位于通孔11外侧且与通孔111连通的缺口113。另外，金属灯体1侧壁12内表面上设有用于安装扩散面罩3的卡槽121，该卡槽121呈圆环状，其位置靠近面环部13。
如图3至图7所示，光电模块2包括基板21、设置于基板21一侧的LED光源22及设置于基板21上的LED驱动电源25。具体地，LED驱动电源可以设置于基板21的两侧，或设置于基板21上未设置LED光源22的另一侧。电源线5的一端焊接至上述基板21上并可以将外部电源传输给LED驱动电源，LED驱动电源可以驱动LED光源22发光。LED驱动电源包括若干元器件，包括但不限于LED驱动控制器芯片、整流芯片、电阻器、电容器、保险丝和线圈等。基板21抵接于金属灯体1的底壁11上。光电模块2热接触至金属灯体1。
基板21可以为一印刷电路板，其上附有导电线路(未显示)，通过上述导电线路，可以将LED光源22及LED驱动电源25电性连接。基板21上还设有与第一定位孔112对应且与绝缘盖体4上的一部分配合的三个第二定位孔211、以及一个开孔212。三个第二定位孔211呈三角状分布于基板21且贯穿基板21的上下两个表面。LED光源22为若干LED发光单元。优选地，LED光源22及LED驱动光源25可以通过插入式封装技术(Through Hole Technology，THT)或表面贴装技术(Surface Mount Technology，SMT)电性连接于基板21上。光电模块2上的LED光源22 及LED驱动电源25可以集成于基板21的两个表面上。比如，LED光源22设置于基板21的上表面，LED驱动电源设置于基板21的下表面，基板21的上表面为朝向扩散面罩4的一个表面。基板21贴于金属灯体1的底壁11。由于LED光源22及LED驱动电源25集成于基板21，使得光电模块2占有较少的空间，符合小尺寸照明装置在内部空间有限的情况下对于LED光源22及LED驱动电源25所占空间小的要求。LED驱动电源的形式：一种可以是部分贴片在基板21设置有LED光源22的一侧，基板21的另一侧设置有降低成本的插件式驱动电源的元器件；另一种还可以是基板21设置有LED光源22的一侧全部贴片，或者在另一侧全部插件或部分贴片部分插件。
如图3至图7所示，扩散面罩3呈扁平圆形状，其可以由聚甲基丙烯酸甲酯(Polymethyl methacrylate，PMMA)或聚碳酸酯(Polycarbonate，PC)材料制成。从光电模块2的LED光源22发出光线直接进入扩散面罩3。此时，扩散面罩3对光线进行扩散及匀光，使得从扩散面罩3出去的光线亮度均匀且照射角变大，起到均匀照明的效果。另外，扩散面罩3为绝缘件，也起到了电气绝缘的效果。
如图2、图5至图7所示，绝缘盖体4由塑胶材料一体成型而成，其大致也呈圆桶状，其一端紧贴于金属灯体1的底壁11并将底壁11上的通孔111遮盖起来。具体地，绝缘盖体4包括一个圆形底壁41及自圆形底壁41向上延伸的圆环形侧壁42，底壁41与侧壁42围设形成第二收容空间(未标号)。需要说明的是，由于金属灯体1的底壁11上设有通孔111，因此，当绝缘盖体4组装于金属灯体1后，第一收容空间14与第二收容空间连通。进一步地，绝缘盖体4内设有三个中空的定位柱43，三个定位柱43由绝缘盖体4的底壁41的内表面向上延伸而成，每个定位柱43内设有可收容连接件(未图示)收容孔431。当绝缘盖体4抵接于金属灯体1的底壁11外表面时，绝缘盖体4内的每个定位柱43可以穿过金属灯体1底壁11上的第一定位孔112，同时定位柱43的外表面与第一定位孔112的内表面干涉配合，使得绝缘盖体4初步定位于金属灯体1上。绝缘盖体4与金属灯体1组装后，可将光电模块2组装入金属灯体1的第一收容空间14内，光电模块2的基板21紧贴于金属灯体1的底壁11，此时，每个定位柱43的自由末端位于基板21的第二定位孔211内。通过连接件(未图示)与第二定位孔211、定位柱43的配合，可将基板21、金属灯 体1及绝缘盖体4三者锁固在一起。具体地，连接件可以为定位螺钉，定位螺钉的螺纹部穿过第二定位孔211并部分收容于定位柱43内的收容孔431内，定位螺钉的头部抵压基板21，如此，基板21、金属灯体1及绝缘盖体4通过一个定位螺钉即可实现相互之间的固定连接。另外，由于光电模块2的基板21紧贴于金属灯体1的底壁11，因此，光电模块2上发出的热量可以通过金属灯体1的底壁11直接散发出去，因此，照明装置100具有散热好的特点。同时，光电模块2上的LED驱动电源25通过通孔111延伸入第二收容空间内。
另外，绝缘盖体4上还设有沿竖直方向延伸且并排设置的通道44及定位槽道45，通道44与定位槽道45之间设有卡持臂46。电源线5可以通过通道44进入绝缘盖体4内、穿过底壁11上的通孔111后电性连接至光电模块2的基板21上。
进一步地，照明装置100还包括可收容于定位槽道45内的定位件(未图示)。定位件的一部分可以依次穿过开孔212、缺口部113收容于定位槽道45。当定位件逐步收容于定位槽道45时，定位件会驱动卡持臂46向通道44一侧移动使得卡持臂46压迫电源线5并与电源线5发生干涉，使得电源线5的一部分定位于绝缘盖体4的通道44内。如此，当电源线5被拉扯时，电源线5与光电模块2之间不易而发生位移或松动。优选地，该定位件可以为定位螺钉。
如图6至图7所示，电源线5包括导线51及包覆于导线51外的绝缘外被52。电源线5的一端焊接至基板21，电源线5的另一端延伸出绝缘盖体4而与外部电源连接。
如图1至图7所示，卡片6由金属材料制成，其呈弧形片状，贴合于金属灯体1的侧壁12外表面。卡片6通过螺钉(未图示)安装于侧壁12上。卡簧7组装于卡片8的一端，其也由金属材料制成。分别安装有卡簧7的两个卡片8贴于金属灯体1的侧壁12外且与金属灯体1固定连接。通过卡簧7，照明装置100可以安装于一个安装基础(未图示)上。
需要说明的是，在其他可替换的实施方式中，照明装置100内也可以不包括卡片，卡簧可以直接安装于金属灯体上。
相较于现有技术，本发明提供的照明装置内的金属灯体具有导热性能好的特点，同时光电模块置于金属灯体内，因此，当位于金属灯体内位于光电模块上的LED光源产生热量时，热量可以通过金属灯体迅速散去， 从而避免金属灯体内的温度过高而影响LED光源的使用质量和使用寿命。同时，由于LED光源及驱动电源集成于一个基板上，节约了照明装置的空间，因此，本发明提供的照明装置也能适应小型化的趋势。另外，本发明提供的照明装置内的元件数量少，因此组装方便且快速，并且组装成本低。
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 (18)

  1. 一种照明装置，其包括灯体、组装于灯体一侧的绝缘盖体、收容于灯体或灯体与绝缘盖体内的光电模块、组装于灯体另一侧的扩散面罩及延伸入绝缘盖体且与光电模块电性连接的电源线，其中，所述灯体包括具有通孔的底壁及由所述底壁边缘延伸而成的侧壁，所述光电模块包括基板、设置于基板一侧的光源及设置于基板上的驱动电源，所述基板抵接所述底壁，所述照明装置还包括将所述灯体、所述光电模块及所述绝缘盖体连接的连接件。
  2. 如权利要求1所述的照明装置，其中，所述底壁上还设有位于所述通孔外侧且与所述通孔连通的第一定位孔，所述绝缘盖体上设有与所述第一定位孔配合的定位柱，所述基板上设有与所述定位柱配合的第二定位孔，所述定位柱设有收容所述连接件的收容孔。
  3. 如权利要求1所述的照明装置，其中，所述照明装置还包括组装于所述灯体的卡簧。
  4. 如权利要求2所述的照明装置，其中，所述照明装置还包括组装于所述侧壁外的卡片及组装于所述卡片一端的卡簧，所述卡片及所述侧壁通过螺钉固定连接。
  5. 如权利要求1所述的照明装置，其中，所述灯体还包括由所述侧壁自由端水平延伸的面环部。
  6. 如权利要求1所述的照明装置，其中，所述侧壁的内表面设有卡槽，所述扩散面罩的边缘收容于所述卡槽。
  7. 如权利要求1所述的照明装置，其中，所述绝缘盖体内设有通道、定位槽道及位于通道与定位槽道之间设有卡持臂，所述电源线通过所述通道延伸入所述绝缘盖体，所述照明装置还包括收容于定位槽道内的定位件。
  8. 如权利要求7所述的照明装置，其中，所述底壁上还设有位于通孔外侧且与所述通孔连通的缺口，所述基板上设有与所述缺口及所述定位槽道对应的开孔，所述定位件依次穿过所述缺口及开孔而收容于所述定位槽道内。
  9. 如权利要求1所述的照明装置，其中，所述驱动电源设置于所述基板的一侧或两侧。
  10. 如权利要求1所述的照明装置，其中，所述灯体为金属灯体，所 述光源为LED光源，所述驱动电源为LED驱动电源。
  11. 如权利要求1所述的照明装置，其中，所述驱动电源通过所述通孔延伸入所述绝缘盖体内。
  12. 一种照明装置，其包括：灯体、光电模块、组装于灯体一侧的绝缘盖体、组装于灯体另一侧的扩散面罩、及与光电模块电性连接的电源线，所述灯体包括底壁及侧壁，所述底壁及侧壁围设形成第一收容空间，所述绝缘盖体设有第二收容空间，其中，所述第一收容空间与所述第二收容空间连通，所述光电模块至少收容于所述第一收容空间内并热接触所述灯体的底壁，所述灯体、光电模块及所述绝缘盖体固定连接为一体。
  13. 如权利要求12所述的照明装置，所述照明装置还包括将所述灯体、所述光电模块及所述绝缘盖体连接的连接件。
  14. 如权利要求13所述的照明装置，其中，所述底壁具有通孔，所述底壁上还设有位于所述通孔外侧且与所述通孔连通的第一定位孔，所述绝缘盖体上设有与所述第一定位孔配合的定位柱，所述光电模块包括基板，所述基板上设有与所述定位柱配合的第二定位孔，所述定位柱设有收容所述连接件的收容孔。
  15. 如权利要求12所述的照明装置，其中，所述侧壁的内表面设有卡槽，所述扩散面罩的边缘收容于所述卡槽。
  16. 如权利要求12所述的照明装置，其中，所述光电模块包括基板、设置于基板一侧的光源及设置于基板上的驱动电源，所述基板接触所述底壁。
  17. 如权利要求16所述的照明装置，其中，所述底壁上设有通孔，所述驱动电源通过所述通孔延伸入所述绝缘盖体的第二收容空间内。
  18. 如权利要求12所述的照明装置，其中，所述灯体还包括由所述侧壁自由端水平延伸的面环部。
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CN204573766U (zh) * 2015-05-09 2015-08-19 台州市欧博光电有限公司 冷冻室用的自动照明灯
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