WO2022073447A1 - 照明灯具 - Google Patents

照明灯具 Download PDF

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Publication number
WO2022073447A1
WO2022073447A1 PCT/CN2021/121599 CN2021121599W WO2022073447A1 WO 2022073447 A1 WO2022073447 A1 WO 2022073447A1 CN 2021121599 W CN2021121599 W CN 2021121599W WO 2022073447 A1 WO2022073447 A1 WO 2022073447A1
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WO
WIPO (PCT)
Prior art keywords
lighting fixture
fixture according
light
light source
edge portion
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/CN2021/121599
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English (en)
French (fr)
Inventor
喻银飞
卜晨曦
肖一胜
王爱萍
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
Suzhou Op Lighting Co Ltd
Original Assignee
Opple Lighting Co Ltd
Suzhou Op Lighting Co Ltd
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.)
Filing date
Publication date
Priority claimed from CN202011074652.1A external-priority patent/CN112128659B/zh
Priority claimed from CN202022231315.0U external-priority patent/CN213089579U/zh
Application filed by Opple Lighting Co Ltd, Suzhou Op Lighting Co Ltd filed Critical Opple Lighting Co Ltd
Publication of WO2022073447A1 publication Critical patent/WO2022073447A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters

Definitions

  • the invention relates to the technical field of lighting, in particular to a lighting fixture.
  • the invention discloses a lighting fixture, which can at least solve one of the problems that the lighting fixture is prone to glare.
  • the present invention adopts the following technical solutions:
  • a lighting fixture comprising a casing, a mask, a light source module and a driver, the casing is connected with the mask, and the two form an installation cavity, and the light source module and the driver are both arranged in the installation cavity,
  • the casing includes a cylindrical portion and a face ring connected to one end of the cylindrical portion, the face shield is a light-transmitting member, and the face shield includes a connected middle portion and an edge portion, and the middle portion faces toward the light source module where the light source module is located.
  • One side is recessed, the edge portion surrounds the middle portion, and the edge portion is opposite to the face ring.
  • the mask is a light-transmitting part
  • the light emitted by the light source module can be directly emitted through the middle part, or can be transmitted to the edge part through the middle part, and then emitted from the edge part.
  • the propagation direction of the light can be further changed, so that the irradiation range of the light is wider and the glare problem of the lighting fixture is prevented.
  • FIG. 1 and 2 are exploded views of the lighting fixture disclosed in the embodiment of the present invention.
  • FIG. 3 is a cross-sectional view of a lighting fixture disclosed in an embodiment of the present invention.
  • Fig. 4 is the enlarged schematic diagram of part I in Fig. 3;
  • FIG. 5 and 6 are cross-sectional views of the mask disclosed in the embodiment of the present invention.
  • FIG. 7 is a top view of a mask disclosed in an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of the lighting fixture disclosed in the embodiment of the present invention after being installed on the installation base;
  • the arrow lines in FIG. 6 and FIG. 8 indicate the light propagation direction.
  • 300-light source module 310-substrate, 320-light source
  • an embodiment of the present invention discloses a lighting fixture.
  • the lighting fixture may be a downlight or a spotlight.
  • the lighting fixture disclosed in the embodiment of the present invention may specifically include a housing 100 , a mask 200 , a light source module 300 and a driver 400 .
  • the housing 100 can serve as a basic component of the lighting fixture, which can serve as a basis for installing other components of the lighting fixture.
  • One end of the housing 100 can be closed, the other end can be open, the housing 100 can be connected with the mask 200, so that the mask 200 can block the open end of the housing 100, at this time, the housing 100 and the mask 200 can form the installation cavity 500, the light source module 300 and the driver 400 are arranged in the installation cavity 500 .
  • the driver 400 is electrically connected with the light source module 300, so as to realize the driving of the light source module 300, and the light source module 300 can emit light, thereby realizing the lighting function of the lighting fixture.
  • the lighting fixture may further include a mains connection wire 600, a clip 700 and an elastic member 800.
  • One end of the mains connection wire 600 is connected to the housing 100 through the clip 700, and the mains connection wire 600 can be connected to the light source module. 300 connected.
  • two elastic members 800 can be provided, and the elastic members 800 can adopt a torsion spring structure, and the lighting fixture can be connected to the installation base 900 (eg, a roof) through the elastic members 800 .
  • the housing 100 may include a cylindrical portion 110 and a face ring 120 connected to one end of the cylindrical portion 110.
  • the cylindrical portion 110 may include a bottom portion 112 and an annular side portion 113, and the bottom portion 112 is disposed on the annular side portion 113 away from the face ring. 120, so that one end of the cylindrical portion 110 is closed, the bottom 112 and the annular side portion 113 can be arranged separately, and the two can be connected together by means of snap connection, welding, screw connection and the like.
  • the elastic member 800 described above can be connected to the bottom 112 ; alternatively, the elastic member 800 can also be connected to the annular side portion 113 .
  • the mask 200 is a light-transmitting member.
  • the mask 200 can be made of a light-guiding material.
  • the mask 200 includes a connected middle portion 210 and a border portion 220.
  • the middle portion 210 is recessed toward the side where the light source module 300 is located, and the border portion 220 surrounds
  • the middle portion 210 and the edge portion 220 are opposite to the face ring 120 .
  • the mask 200 is a light-transmitting member, the light emitted by the light source module 300 can be directly emitted through the middle portion 210 , or can be propagated to the edge portion 220 through the middle portion 210 , and then emitted from the edge portion 220 . Therefore, the middle part 210 and the edge part 220 can further change the propagation direction of the light, so that the irradiation range of the light is wider and the glare problem of the lighting fixture is prevented.
  • the edge portion 220 has a first surface 221 facing the face ring 120 .
  • the first surface 221 is provided with a light distribution structure 230 .
  • the light distribution structure 230 can further change the propagation direction of the light, so that the light can be emitted through a larger illumination range.
  • the light distribution structure 230 here can be a protruding structure in a direction close to the face ring 120, or a concave structure in a direction away from the face ring 120, in order to make the structure of the lighting fixture more compact and ensure the matching
  • the light distribution effect of the light structure 230 can make the light distribution structure 230 have a concave surface, and the concave surface is concave in a direction away from the surface ring 120 .
  • the light distribution structure 230 has a pyramidal concave surface, such as a triangular pyramidal concave surface, a quadrangular pyramidal concave surface, etc.; or, the light distribution structure 230 has a prismatic concave surface, such as a triangular prismatic concave surface, a quadrangular prismatic concave surface, etc. etc; When the light distribution structure 230 adopts these structures, it is more convenient to process, so the cost of the lighting fixture can be reduced.
  • the number of light distribution structures 230 may be one or at least two. In order to improve the light distribution effect, optionally, the number of light distribution structures 230 is at least two, and each light distribution structure 230 is along the direction surrounding the middle portion 210 . Arrangement to achieve light distribution at more locations.
  • the light distribution structures 230 may also be arranged along the radial direction of the edge portion 220 , so as to realize light distribution at more positions.
  • at least two light distribution structures 230 can be arranged in the direction surrounding the middle portion 210 and the radial direction of the edge portion 220 at the same time.
  • the light distribution structures 230 are arranged in a radial shape, and the light can be emitted in a lattice shape, thereby further improving the The light distribution effect enables the light emitted by the light source module 300 to be distributed more evenly.
  • the edge portion 220 also has a second surface 222 opposite to the aforementioned first surface 221.
  • the second surface 222 may be a plane, and the direction extending from the inner edge of the edge portion 220 to the outer edge of the edge portion 220 may be defined as the first surface.
  • the maximum cross-sectional area of each light distribution structure 230 gradually increases. It should be noted that the cross section here is parallel to the second surface 222 . The closer to the outer edge of the edge portion 220, the larger the circumferential dimension of the edge portion 220. At this time, the maximum cross-sectional area of each light distribution structure 230 gradually increases, so that the number of light distribution structures 230 in each circle is not much different.
  • the area ratio occupied by the light distribution structures 230 is basically the same, so that the space of the edge portion 220 can be more fully utilized, and the light distribution range of all the light distribution structures 230 can be expanded as much as possible, thereby optimizing the light distribution effect of the light distribution structures 230 .
  • each light distribution structure 230 may gradually increase. It should be noted that the height here is the dimension in the direction perpendicular to the second surface 222 . At this time, the area of the light distribution structure 230 is larger, so that when the light propagates to the outer edge of the edge portion 220 , the probability of irradiating the light distribution structure 230 is greater, so that more light propagation directions can be used in the light distribution structure 230. Changes to achieve the purpose of improving the light distribution effect.
  • the above-mentioned means of gradually increasing the maximum cross-sectional area of the light distribution structure 230 and means of gradually increasing the height of the light distribution structure 230 may be only one of them, or may be provided at the same time, which is not limited in the embodiment of the present invention.
  • the thickness of the edge portion 220 may gradually increase.
  • the structural strength of the edge portion 220 can be appropriately increased;
  • the light is emitted in a direction farther away from the middle part 210 , thereby increasing the irradiation range of the light and further improving the glare problem.
  • the thickness of the edge portion 220 gradually increases. The structural changes of each light distribution structure 230 can be better adapted to prevent the structural strength of the edge portion 220 from being weakened.
  • the thickness of the face ring 120 gradually decreases.
  • the space occupied by the edge portion 220 and the face ring 120 will not change substantially in the first direction, so the thickness of the entire lighting fixture at the edge portion 220 is relatively uniform, so as to ensure the aesthetics of the lighting fixture, and at the same time It is also easy to install lighting fixtures.
  • the edge portion 220 has an outer side surface 223, and the outer side surface 223 is a light emitting surface.
  • the outer side 223 here is relatively close to the installation base 900 , such as a suspended ceiling, the light emitted by the outer side 223 can be irradiated on the installation base 900 , so that the illumination range of the lighting fixture is further expanded and the illumination uniformity is better. , better prevent glare problems, and can also improve the decorative effect of lighting fixtures.
  • the middle portion 210 has a light incident surface 211 facing the light source module 300 , and the light emitted by the light source module 300 can enter the mask 200 through the light incident surface 211 .
  • the light incident surface 211 here is a silk screen surface, and the screen printing process can reduce the direct light at the light incident surface 211 , so that the light enters the mask 200 more uniformly and exits through the mask 200 . With this setting, the light emitted by the lighting fixture is softer.
  • the edge portion 220 has a first surface 221 facing the face ring 120 , a side of the first surface 221 adjacent to the middle portion 210 is provided with a mounting convex portion 240 , and the cylindrical portion 110 is provided with a mounting groove 111 ,
  • the mounting protrusions 240 are matched with the mounting grooves 111 .
  • the contact area between the mounting protrusion 240 and the mounting groove 111 is larger, so that the mounting area of the housing 100 and the mask 200 can be increased, thereby enhancing the connection strength of the two.
  • the mounting protrusions 240 and the mounting grooves 111 can be fixed together by means of snap connection, bonding, etc.
  • connection strength between the mounting protrusions 240 and the mounting grooves 111 is improved at the same time.
  • the mounting protrusion 240 and the mounting groove 111 can be assembled together by ultrasonic welding.
  • the above-mentioned mounting protrusions 240 may be provided on a part of the first surface 221 , that is, the mounting protrusions 240 may be provided in a block-like structure.
  • the mounting grooves 111 may be provided on a part of the cylindrical The protrusions 240 fit together.
  • the mounting convex portion 240 in order to further increase the contact area between the mounting convex portion 240 and the mounting groove 111 , the mounting convex portion 240 may be configured as an annular structure, and at this time, the mounting convex portion 240 surrounds the middle portion 210 .
  • the installation groove 111 can also be set as an annular structure, in which case the installation groove 111 surrounds the middle portion 210 .
  • the mounting convex portion 240 and the mounting groove 111 can also be arranged in an annular structure at the same time.
  • the above-mentioned installation groove 111 may be a right-angle groove, and this type of installation groove 111 is more convenient to form.
  • the edge portion 220 has the first surface 221 facing the face ring 120 .
  • a limiting portion 250 may be provided on the side of the first face 221 away from the middle portion 210 .
  • the face ring 120 is located between the limiting portion 250 and the middle portion 210 .
  • the limiting portion 250 here can protrude relative to the first surface 221 to limit the position of the face ring 120 , thereby preventing the outer shell 100 from being separated from the mask 200 due to external force, so as to improve the reliability of the connection between the two. .
  • the limiting portion 250 can be arranged on a part of the first surface 221, but in order to further improve the limiting effect, the limiting portion 250 can be set in a ring structure, and the limiting portion 250 can surround the middle portion 210 at this time, so as to be more reliable The relative movement between the housing 100 and the mask 200 is limited.
  • the dimension of the middle portion 210 in the direction perpendicular to the light source module 300 is the height of the middle portion 210
  • the dimension of the casing 100 in the direction perpendicular to the light source module 300 is the height of the casing 100 .
  • the ratio between the height of the middle portion 210 and the height of the housing 100 can be set to 0.4 ⁇ 0.6, so that the middle portion 210 has a larger area and is not easily interfered with the light source module 300 .
  • the ratio between the height of the middle portion 210 and the height of the housing 100 may be 0.5, so as to better balance the purpose of assembling the lighting fixture and improving the glare problem.
  • the light source module 300 includes a substrate 310 and a light source 320 , and the light source 320 is disposed on the substrate 310 .
  • the light source 320 may be a COB light source, and the number of the light source 320 may be one or multiple.
  • the driver 400 may also be disposed on the substrate 310 .
  • other electronic components may also be disposed on the substrate 310 , which is not limited in the embodiment of the present invention.
  • the substrate 310 is fixed on the bottom 112 of the cylindrical portion 110 , the bottom 112 faces the middle portion 210 , and the light source 320 and the driver 400 are disposed on the same side of the substrate 310 .
  • the substrate 310 can be in contact with the bottom 112 of the cylindrical portion 110 in a large area, and the heat generated when the lighting fixture works can be transferred to the cylindrical portion 110 through the substrate 310 more quickly and dissipated. Therefore, the structure can improve the heat dissipation effect of the lighting fixture.
  • the substrate 310 may not be in contact with the bottom 112 of the cylindrical portion 110 , a accommodating space may be reserved between the substrate 310 and the bottom 112 , and structures such as the driver 400 may be arranged in the accommodating space, These components do not affect the arrangement of the light source 320 on the substrate 310, and also do not block the light emitted by the light source 320 from continuing to propagate, thereby improving the luminous effect of the lighting fixture.
  • the shape of the above-mentioned middle portion 210 can be selected flexibly.
  • the middle portion 210 can adopt a conical structure, a hemispherical structure, etc.
  • the area of the middle portion 210 is larger and its surface is smoother. Therefore, the propagation direction of the light can be better changed, and the middle portion 210 is easier to shape.
  • the mask 200 can be a split structure or an integrated structure. When the mask 200 is a one-piece structure, the structural strength of the mask 200 is higher, and at the same time, the mask 200 does not have seams, which is more conducive to changing the propagation direction of light.
  • the material of the mask 200 may be PC (Polycarbonate, polycarbonate), PMMA (Polymethyl methacrylate, polymethyl methacrylate) or PP (Polypropylene, polypropylene), and of course other materials.
  • the mask 200 can also be made of nanomaterials with better light guiding effect, and the interior of the mask 200 can also be doped with uniform light particles, so that the light can be emitted more uniformly through the mask 200 .

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

一种照明灯具，包括外壳（100）、面罩（200）、光源模组（300）和驱动器（400），外壳（100）与面罩（200）相连，两者形成安装腔（500），光源模组（300）和驱动器（400）均设置于安装腔（500）内，外壳（100）包括筒状部（110）以及连接于筒状部（110）一端的面环（120），面罩（200）为透光件，面罩（200）包括相连接的中部（210）和边沿部（220），中部（210）向光源模组（300）所在一侧凹陷，边沿部（220）环绕中部（210），且边沿部（220）与面环（120）相对。照明灯具不容易出现眩光问题。

Description

照明灯具 技术领域
本发明涉及照明技术领域，尤其涉及一种照明灯具。
背景技术
随着人们的生活品质不断提升，具有良好的照明效果的筒灯等照明灯具在人们的工作以及生活中占据了越来越多的分量，为了满足人们日益提升的照明需求，需要对照明灯具的结构不断地进行改进。
以筒灯为例，由于筒灯发出的光的照明范围比较集中，且亮度通常较大，因此用户使用筒灯时，容易出现眩光问题。
发明内容
本发明公开一种照明灯具，至少能够解决照明灯具容易出现眩光现象的问题之一。
为了解决上述问题，本发明采用下述技术方案：
一种照明灯具，包括外壳、面罩、光源模组和驱动器，所述外壳与所述面罩相连，两者形成安装腔，所述光源模组和所述驱动器均设置于所述安装腔内，
所述外壳包括筒状部以及连接于所述筒状部一端的面环，所述面罩为透光件，所述面罩包括相连接的中部和边沿部，所述中部向所述光源模组所在一侧凹陷，所述边沿部环绕所述中部，且所述边沿部与所述面环相对。
本发明采用的技术方案能够达到以下有益效果：
本发明实施例公开的照明灯具中，由于面罩为透光件，因此光源模组发出的光线可以经过中部直接射出，也可以经中部传播至边沿部，再由边沿部射出，该中部和边沿部可以进一步改变光线的传播方向，从而使得光线的照射范围更广，防止照明灯具出现眩光问题。
附图说明
为了更清楚地说明本发明实施例或背景技术中的技术方案，下面将对实施例或背景技术中所需要使用的附图作简单的介绍，显而易见地，对于本领域普通技术人员而言，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和图2为本发明实施例公开的照明灯具的爆炸图；
图3为本发明实施例公开的照明灯具的剖视图；
图4为图3中的I部分的放大示意图；
图5和图6为本发明实施例公开的面罩的剖视图；
图7为本发明实施例公开的面罩的俯视图；
图8为本发明实施例公开的照明灯具安装于安装基础后的示意图；
其中，图6和图8中的箭头线表示光线传播方向。
附图标记说明：
100-外壳、110-筒状部、111-安装槽、112-底部、113-环形侧部、120-面环；
200-面罩、210-中部、211-入光面、220-边沿部、221-第一面、222-第二面、223-外侧面、230-配光结构、240-安装凸部、250-限位部；
300-光源模组、310-基板、320-光源；
400-驱动器；
500-安装腔；
600-市电连接线；
700-卡接件；
800-弹性件；
900-安装基础。
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。
以下结合附图，详细说明本发明各个实施例公开的技术方案。
如图1至图8所示，本发明实施例公开一种照明灯具，可选地，该照明灯具可以为筒灯或者射灯。本发明实施例公开的照明灯具具体可以包括外壳100、面罩200、光源模组300和驱动器400。
外壳100可以作为照明灯具的基础构件，其可以作为安装照明灯具的其它零部件的基础。外壳100的一端可以封闭，另一端可以敞开，外壳100可与面罩200相连，从而使得面罩200可以封堵外壳100敞开的一端，此时外壳100和面罩200可以形成安装腔500，光源模组300和驱动器400均设置于该安装腔500内。驱动器400与光源模组300电连接，从而实现光源模组300的驱动，光源模组300可以发光，从而实现照明灯具的照明功能。
此外，照明灯具还可以包括市电连接线600、卡接件700和弹性件800， 市电连接线600的一端通过卡接件700与外壳100连接，该市电连接线600可以与光源模组300相连。弹性件800通常可以设置两个，该弹性件800可以采用扭簧结构，照明灯具通过弹性件800可以与安装基础900(例如房顶)相连。
外壳100可以包括筒状部110以及连接于筒状部110一端的面环120，可选地，筒状部110可以包括底部112和环形侧部113，底部112设置于环形侧部113背离面环120的一端，从而使得筒状部110的一端封闭，底部112和环形侧部113可以分体设置，两者可以通过卡扣连接、焊接、螺钉连接等方式连接在一起。进一步地，上文所述的弹性件800可以与底部112相连；或者，弹性件800也可以与环形侧部113相连，具体地，弹性件800与环形侧部113靠近底部112的一端相连。
面罩200为透光件，可选地，面罩200可以采用导光材料制成，面罩200包括相连接的中部210和边沿部220，中部210向光源模组300所在一侧凹陷，边沿部220环绕中部210，且边沿部220与面环120相对。参考图6，由于面罩200为透光件，因此光源模组300发出的光线可以经过中部210直接射出，或者可以经中部210传播至边沿部220，再由边沿部220射出。因此，中部210和边沿部220可以进一步改变光线的传播方向，从而使得光线的照射范围更广，防止照明灯具出现眩光问题。
边沿部220具有朝向面环120的第一面221，进一步的实施例中，为了更好地防止照明灯具出现眩光现象，该第一面221设有配光结构230。该配光结构230可以进一步改变光线的传播方向，从而使得光线可以通过更大的照射范围射出。可选地，这里的配光结构230可以是沿靠近面环120的方向凸出的结构，也可以是沿远离面环120的方向凹陷的结构，为了使得照明灯 具的结构更加紧凑，同时保证配光结构230的配光效果，可以使配光结构230具有凹面，该凹面沿远离面环120的方向凹陷。进一步可选地，配光结构230具有棱锥形凹面，例如可以是三棱锥形凹面、四棱锥形凹面等等；或者，配光结构230具有棱柱形凹面，例如三棱柱形凹面、四棱柱形凹面等等；或者，配光结构230具有棱台形凹面，例如三棱台形凹面、四棱台形凹面等等。配光结构230采用这些结构时更便于加工，因此可以降低照明灯具的成本。
配光结构230的数量可以为一个，也可以为至少两个，为了改善配光效果，可选地，配光结构230的数量为至少两个，各配光结构230沿着环绕中部210的方向排布，从而在更多位置处实现配光。
当配光结构230的数量为至少两个时，各配光结构230还可以沿着边沿部220的径向排布，从而在更多位置处实现配光。当然，可以同时在环绕中部210的方向以及边沿部220的径向排布至少两个配光结构230，此时，配光结构230呈辐射状设置，光线可以呈点阵状射出，从而进一步改善配光效果，使得光源模组300发出的光可以更均匀地分布。
边沿部220还具有与前述第一面221相背的第二面222，该第二面222可以为平面，自边沿部220的内侧边缘向边沿部220的外侧边缘延伸的方向可以定义为第一方向，在该第一方向上，各配光结构230的最大横截面面积逐渐增大。需要说明的是，这里的横截面平行于第二面222。越靠近边沿部220的外侧边缘，边沿部220的周向尺寸越大，此时各配光结构230的最大横截面面积逐渐增大，可以使每一圈配光结构230的数量差异不大，同时可以保证配光结构230所占据的面积比例基本一致，从而更充分地利用边沿部220的空间，尽量扩大所有配光结构230的配光范围，以此优化配光结构230的配光效果。
当然，在第一方向上，各配光结构230的高度可以逐渐增大，需要说明的是，这里的高度为垂直于第二面222的方向上的尺寸。此时配光结构230的面积更大，使得光线往边沿部220的外侧边缘传播时照射到配光结构230的几率更大，从而使得更多的光线的传播方向可以在配光结构230的作用下改变，达到改善配光效果的目的。
上述配光结构230的最大横截面面积逐渐增大的手段以及配光结构230的高度逐渐增大的手段可以只选其中一者，也可以同时设置，本发明实施例对此不作限制。
在前文所述的第一方向上，边沿部220的厚度可以逐渐增大。这样设置一方面可以适当增大边沿部220的结构强度，另一方面可以使得边沿部220朝向面环120的一面呈逐渐升高的趋势，光线经过边沿部220的该面被反射时，可以以更远离中部210的方向射出，从而增大光线的照射范围，进一步改善眩光问题。与此同时，当各配光结构230的最大横截面面积在第一方向上逐渐增大，或者各配光结构230的高度在第一方向上逐渐增大时，边沿部220的厚度逐步增大可以更好地适应各配光结构230的结构变化，以防止边沿部220的结构强度被削弱。
进一步地，在第一方向上，面环120的厚度逐渐减小。如此设置后，边沿部220和面环120共同占用的空间在第一方向上基本不会发生变化，因此整个照明灯具在边沿部220处的厚度比较均匀，以便于保证照明灯具的美观性，同时也便于安装照明灯具。
可选的实施例中，边沿部220具有外侧面223，该外侧面223为出光面。参考图8，由于这里的外侧面223比较靠近安装基础900，例如天花板吊顶，由外侧面223射出的光线可以照射到安装基础900上，从而使得照明灯具的 照射范围进一步扩大，光照均匀性更好，更好地防止眩光问题，同时还可以改善照明灯具的装饰效果。
中部210具有朝向光源模组300的入光面211，光源模组300发出的光线可以通过该入光面211进入面罩200。可选地，这里的入光面211为丝印面，通过丝印工艺可以减小入光面211处的直射光线，从而使得光线更均匀地进入面罩200并通过面罩200射出。如此设置后，照明灯具射出的光线更加柔和。
一种可选的实施例中，边沿部220具有朝向面环120的第一面221，第一面221邻近中部210的一侧设有安装凸部240，筒状部110设有安装槽111，安装凸部240与安装槽111相配合。这里的安装凸部240与安装槽111的接触面积更大，从而可以增大外壳100与面罩200的装配面积，进而提升两者的连接强度。可选地，安装凸部240与安装槽111可以通过卡扣连接、粘接等方式固定在一起，在其他实施例中，为了简化装配工艺，同时提升安装凸部240与安装槽111的连接强度，安装凸部240与安装槽111可以通过超声波焊接的方式组装在一起。
上述安装凸部240可以设置于第一面221的局部，即安装凸部240可以设置成块状结构，同理地，安装槽111可以设置于筒状部110的局部，从而与块状的安装凸部240配合。在其他实施例中，为了进一步增大安装凸部240与安装槽111的接触面积，安装凸部240可以设置为环形结构，此时安装凸部240环绕中部210。或者，也可以将安装槽111设置为环形结构，此时安装槽111环绕中部210。当然，也可以同时将安装凸部240和安装槽111设置成环形结构。
可选地，上述安装槽111可以是直角槽，此种安装槽111更便于成型。
如前所述，边沿部220具有朝向面环120的第一面221，为了提升外壳100与面罩200之间的连接可靠性，可以在第一面221远离中部210的一侧设有限位部250，面环120位于限位部250与中部210之间。这里的限位部250可以相对于第一面221凸出，以此限制面环120的位置，从而防止外壳100因外部作用力而与面罩200脱离，达到提升两者连接时的可靠性的目的。可选地，限位部250可以设置在第一面221的局部，但是为了进一步提升限位效果，可以将限位部250设置成环形结构，此时限位部250可以环绕中部210，从而更可靠地限制外壳100和面罩200之间的相对运动。
中部210在垂直于光源模组300的方向上的尺寸为中部210的高度，外壳100在垂直于光源模组300的方向上的尺寸为外壳100的高度。可以理解地，中部210的高度越高，中部210的面积更大，更有利于改变光线的传播方向，但是也更容易与光源模组300干涉。有鉴于此，可以将中部210的高度与外壳100的高度之间的比值设置为0.4～0.6，从而使得中部210具有较大的面积，同时不容易与光源模组300干涉。进一步地，中部210的高度与外壳100的高度之间的比值可以为0.5，以此更好地平衡照明灯具的装配以及改善眩光问题的目的。
可选地，光源模组300包括基板310和光源320，光源320设置于基板310上。可选地，光源320可以是COB光源，光源320的数量可以为一个，也可以为多个。驱动器400也可以设置于基板310上。当然，基板310上还可以设置其他电子元器件，本发明实施例对此不作限制。进一步可选地，基板310固定于筒状部110的底部112，该底部112朝向中部210，光源320和驱动器400设置于基板310的同一侧。采用此种结构后，基板310可以大面积地与筒状部110的底部112接触，照明灯具工作时所产生的热量可以更快 地通过基板310传递至筒状部110并散出。因此，该结构可以改善照明灯具的散热效果。
在其他可选的实施例中，基板310也可以不与筒状部110的底部112接触，基板310与该底部112之间可以预留容纳空间，驱动器400等结构可以设置于该容纳空间内，使得这些部件不影响光源320在基板310上的布置，同时也不会阻挡光源320发出的光线继续传播，从而改善照明灯具的发光效果。
上述中部210的形状可以灵活选择，例如该中部210可以采用圆锥形结构、半球形结构等，相对而言，当中部210为半球形结构时，中部210的面积更大，且其表面更圆滑，从而可以更好地改变光线的传播方向，同时该中部210更容易成型。
面罩200可以为分体式结构件，也可以为一体式结构件。当面罩200为一体式结构件时，面罩200的结构强度更高，同时面罩200不存在接缝，更有利于改变光线的传播方向。可选地，面罩200的材料可以是PC(Polycarbonate，聚碳酸酯)或PMMA(Polymethyl methacrylate，聚甲基丙烯酸甲酯)或PP(Polypropylene，聚丙烯)，当然也可以是其他材料。当然，面罩200还可以采用导光效果较好的纳米材料制成，其内部还可以掺杂匀光粒子，使得光线经面罩200更均匀地射出。
本发明上文实施例中重点描述的是各个实施例之间的不同，各个实施例之间不同的优化特征只要不矛盾，均可以组合形成更优的实施例，考虑到行文简洁，在此则不再赘述。
以上仅为本发明的实施例而已，并不用于限制本发明。对于本领域技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原理之内所作的任何修改、等同替换、改进等，均应包含在本发明的权利要求范围之内。

Claims (18)

  1. 一种照明灯具，其中，包括外壳(100)、面罩(200)、光源模组(300)和驱动器(400)，所述外壳(100)与所述面罩(200)相连，两者形成安装腔(500)，所述光源模组(300)和所述驱动器(400)均设置于所述安装腔(500)内，
    所述外壳(100)包括筒状部(110)以及连接于所述筒状部(110)一端的面环(120)，所述面罩(200)为透光件，所述面罩(200)包括相连接的中部(210)和边沿部(220)，所述中部(210)向所述光源模组(300)所在一侧凹陷，所述边沿部(220)环绕所述中部(210)，且所述边沿部(220)与所述面环(120)相对。
  2. 根据权利要求1所述的照明灯具，其中，所述边沿部(220)具有朝向所述面环(120)的第一面(221)，所述第一面(221)设有配光结构(230)。
  3. 根据权利要求2所述的照明灯具，其中，所述配光结构(230)具有棱锥形凹面或棱柱形凹面或棱台形凹面。
  4. 根据权利要求2所述的照明灯具，其中，所述配光结构(230)的数量为至少两个，各所述配光结构(230)沿着环绕所述中部(210)的方向排布。
  5. 根据权利要求2所述的照明灯具，其中，所述配光结构(230)的数量为至少两个，各所述配光结构(230)沿着所述边沿部(220)的径向排布。
  6. 根据权利要求5所述的照明灯具，其中，所述边沿部(220)具有与 所述第一面(221)相背的第二面(222)，自所述边沿部(220)的内侧边缘向所述边沿部(220)的外侧边缘延伸的方向为第一方向，
    在所述第一方向上，各所述配光结构(230)的最大横截面面积逐渐增大；和/或，在所述第一方向上，各所述配光结构(230)的高度逐渐增大，
    其中，所述横截面平行于所述第二面(222)，所述高度为垂直于所述第二面(222)的方向上的尺寸。
  7. 根据权利要求2所述的照明灯具，其中，自所述边沿部(220)的内侧边缘向所述边沿部(220)的外侧边缘延伸的方向为第一方向，在所述第一方向上，所述边沿部(220)的厚度逐渐增大。
  8. 根据权利要求7所述的照明灯具，其中，在所述第一方向上，所述面环(120)的厚度逐渐减小。
  9. 根据权利要求2所述的照明灯具，其中，所述边沿部(220)具有外侧面(223)，所述外侧面(223)为出光面。
  10. 根据权利要求1所述的照明灯具，其中，所述中部(210)具有朝向所述光源模组(300)的入光面(211)，所述入光面(211)为丝印面。
  11. 根据权利要求1所述的照明灯具，其中，所述边沿部(220)具有朝向所述面环(120)的第一面(221)，所述第一面(221)邻近所述中部(210)的一侧设有安装凸部(240)，所述筒状部(110)设有安装槽(111)，所述安装凸部(240)与所述安装槽(111)相配合。
  12. 根据权利要求11所述的照明灯具，其中，所述安装凸部(240)为 环形结构，所述安装凸部(240)环绕所述中部(210)；和/或，所述安装槽(111)为环形结构，所述安装槽(111)环绕所述中部(210)。
  13. 根据权利要求1所述的照明灯具，其中，所述边沿部(220)具有朝向所述面环(120)的第一面(221)，所述第一面(221)远离所述中部(210)的一侧设有限位部(250)，所述面环(120)位于所述限位部(250)与所述中部(210)之间。
  14. 根据权利要求1所述的照明灯具，其中，在垂直于所述光源模组(300)的方向上，所述中部(210)的高度与所述外壳(100)的高度之间的比值为0.4～0.6。
  15. 根据权利要求1所述的照明灯具，其中，所述光源模组(300)包括基板(310)和光源(320)，所述基板(310)固定于所述筒状部(110)的底部(112)，所述光源(320)和所述驱动器(400)设置于所述基板(310)的同一侧。
  16. 根据权利要求1所述的照明灯具，其中，所述中部(210)为半球形结构。
  17. 根据权利要求1所述的照明灯具，其中，所述面罩(200)为一体式结构件。
  18. 根据权利要求1所述的照明灯具，其中，所述照明灯具为筒灯或者射灯。
PCT/CN2021/121599 2020-10-09 2021-09-29 照明灯具 Ceased WO2022073447A1 (zh)

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