WO2022135065A1 - 直下式灯具 - Google Patents

直下式灯具 Download PDF

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Publication number
WO2022135065A1
WO2022135065A1 PCT/CN2021/133868 CN2021133868W WO2022135065A1 WO 2022135065 A1 WO2022135065 A1 WO 2022135065A1 CN 2021133868 W CN2021133868 W CN 2021133868W WO 2022135065 A1 WO2022135065 A1 WO 2022135065A1
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WO
WIPO (PCT)
Prior art keywords
frame
direct
housing
casing
diffuser plate
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PCT/CN2021/133868
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English (en)
French (fr)
Inventor
高永富
薛永
Original Assignee
苏州欧普照明有限公司
欧普照明股份有限公司
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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 WO2022135065A1 publication Critical patent/WO2022135065A1/zh

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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
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • 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
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
    • 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
    • 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
    • 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 utility model relates to a direct type lamp, which belongs to the technical field of lighting.
  • the purpose of the utility model is to provide a direct-type lamp, which solves the problem of distortion and deformation of the lamp and improves the structural strength.
  • the present invention provides a direct-type lamp, which includes a housing, a diffuser plate and a frame, the diffuser plate is arranged on the frame, and the frame is installed and fixed with the housing, so that the The casing abuts the diffuser plate to fix the diffuser plate between the casing and the frame.
  • the frame is a quadrilateral structure and is composed of hollow profiles, and four sides of the frame are provided with abutting surfaces extending toward the inner side of the frame, wherein the abutting surfaces of at least one side are in contact with all sides of the frame.
  • the diffuser plate is fixedly connected.
  • the diffuser plate is fixedly connected to the frame through double-sided tape.
  • the abutting surfaces of the two opposite sides of the frame are provided with double-sided adhesive tapes.
  • the abutting surfaces of the four sides of the frame are provided with double-sided adhesive tapes.
  • the housing further includes a mounting portion for fixedly connecting the housing and the frame, the mounting portion is provided with a mounting hole, and the frame correspondingly has an opening facing upward. screw holes, so as to fix the housing and the frame by bolts passing through the mounting holes and the screw holes.
  • a concave groove is provided between the casing and the mounting portion, two sides of the concave groove are respectively connected with the casing and the mounting portion, and the concave groove is arranged around the At the bottom of the casing with the opening facing upward, the bottom of the concave groove is a flat plane and is in contact with the diffuser plate.
  • the abutting surface is arranged around the lower end of the frame and corresponds to the concave groove.
  • a light bar is further provided in the housing, and the light bar includes a substrate and LED lamp beads arranged on the substrate.
  • the outer side of the casing is further provided with heat sinks for heat dissipation, and the heat sinks are integrally arranged with the casing.
  • the utility model can solve the problem of distortion and deformation of the lamp by arranging the double-sided adhesive tape, and enhance the structural strength through the cooperation of the casing and the frame.
  • FIG. 1 is a schematic structural diagram of a direct-type lamp of the present invention.
  • Fig. 2 is a side sectional view of the direct-down type lamp of the present invention.
  • FIG. 3 is a partial enlarged view of A in FIG. 2 .
  • the present invention discloses a direct-type lamp 100 .
  • the direct-type lamp 100 includes a housing 10 , a diffuser plate 20 and a frame 30 .
  • the casing 10 is formed with a cavity with an opening facing downward, and a light-emitting unit (not shown) is arranged in the cavity.
  • the diffuser plate 20 is disposed at the lower end of the casing 10 so that the light-emitting unit emits light.
  • the light from the radiator is sufficiently diffused to achieve a softer and uniform irradiation effect.
  • the frame 30 is used to fix the diffuser plate 20 on the lower end of the housing 10 .
  • the diffuser plate 20 is made of a material with higher hardness, and the housing 10 is prevented from being deformed and twisted by the fixed combination of the diffuser plate 20 and the casing 10 .
  • the diffuser plate 20 may also be provided with reinforcing ribs arranged vertically and horizontally to further strengthen the structural rigidity of the diffuser plate 20 . It can be understood that the reinforcing rib can also be arranged inside the casing 10 .
  • the side surface of the housing 10 is provided with through holes 11 for hoisting, so as to hoist the direct-type light fixture 100 on the ceiling.
  • the number of the through holes 11 can be two or four, and the through holes 11 can be respectively arranged on opposite sides of the housing 10 in the opposite direction.
  • the specific number of the through holes 11 can be set as required. There is no restriction here.
  • the housing 10 , the diffuser plate 20 and the frame 30 are all quadrilateral structures, preferably rectangular structures.
  • the four sides of the frame 30 are surrounded by hollow profiles, which can reduce the weight while ensuring the structural strength.
  • a window for light out is formed in the middle of the frame 30 , and the diffuser plate 20 is arranged on the side of the frame 30 . between the four sides.
  • the frame 30 four sides of the frame 30 are provided with abutting surfaces 31 extending toward the inner side of the frame 30 , and the diffuser plate 20 is placed on the abutting surfaces 31 to pass through the abutting surfaces 31 .
  • the abutting surface 31 of at least one side of the frame 30 is provided with a double-sided tape 32 to fix the diffuser plate 20 on the abutting surface 31 to prevent The diffuser plate 20 is moved or deformed.
  • the diffuser plate 20 and the abutting surface 31 may also be connected and fixed by other structures, including but not limited to the form of glue, which is not limited here.
  • the abutting surfaces 31 of the four sides of the frame 30 are provided with double-sided adhesive tapes 32 to fix the diffuser plate 20 in a plane and prevent it from being deformed and twisted.
  • the diffusion plate 20 and the abutting surface 31 may be fixed by glue or other fixing devices, which is not limited herein.
  • the edge of the side wall of the casing 10 is provided with a concave groove 12 extending outward, the concave groove 12 is arranged around the bottom of the casing 10 and the opening is upward, the concave groove 12
  • the bottom of the diffuser plate 20 is a flat plane and is in contact with the diffuser plate 20, that is, the upper bottom surface and the lower bottom surface of the edge of the diffuser plate 20 are in contact with the casing 10 and the frame 30, respectively, and pass through the concave groove.
  • the bottom of 12 and the abutting surface 31 cooperate with each other to clamp the diffuser plate 20 to prevent it from being deformed.
  • the contact surface 31 is disposed around the lower end of the frame 30 and corresponds to the concave groove 12 .
  • the casing further includes a mounting portion 13 extending horizontally outward from the outer edge of the concave groove 12 , that is, two sides of the concave groove 12 are respectively connected to the casing.
  • 10 is connected to the mounting portion 13, the mounting portion 13 is provided with a plurality of mounting holes 131, and the frame 30 is correspondingly provided with a plurality of screw holes with upward openings, so that the bolts 132 can pass through the mounting holes 131 and the screws. Holes fix the housing 10 to the frame 30 .
  • the tightening degree of the bolts 132 the tightness of the mutual cooperation between the bottom of the concave groove 12 and the abutting surface 31 can be controlled to clamp the diffuser plate 20 .
  • the screw holes can also be arranged in a horizontal direction, and accordingly, the bolts 132 can fix the casing 10 from the side of the frame 30 .
  • the casing The connection structure between the frame 10 and the frame 30 can also be in other ways, which are not limited here.
  • the light-emitting unit includes a plurality of light bars (not shown) arranged in parallel, and the light bars include a substrate and LED lamp beads arranged on the substrate.
  • the LED lamp beads can also be arranged on the same larger substrate, which is not limited here.
  • a lens (not shown) is provided on the LED lamp bead, and the lens is used to improve the luminous efficiency of the LED lamp bead.
  • the lens further includes a primary lens and a secondary lens
  • the primary lens is encapsulated on the LED lamp beads, and is used for condensing the light emitted by the LED lamp beads
  • the two The secondary lens is arranged on the outer side of the primary lens, and is used for converging the light-emitting angle of the LED lamp beads into an arbitrary angle again.
  • a reflective film (not shown) for reducing the light scattering of the LED lamp bead is provided on the inner side of the housing 10 , and the reflective film can be arranged in contact with the inner side of the cavity.
  • the substrate is connected to the casing 10 through a thermally conductive adhesive, so as to transfer heat to the casing 10 for heat dissipation.
  • the outer side of the housing 10 is also provided with heat sinks 14 for heat dissipation, and the heat sinks 14 are integrally arranged with the housing 10 , and the heat sinks 14 include several parallel strip-shaped structures and face the housing.
  • the outer side of the body 10 is extended to increase the contact area with the air and enhance the heat dissipation efficiency.
  • the present invention can solve the problem of distortion and deformation of the lamp by arranging the double-sided tape 32 , and enhance the structural strength through the cooperation of the housing 10 and the frame 30 .

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

Abstract

一种直下式灯具(100)，包括壳体(10)、扩散板(20)和框架(30)，扩散板(20)设置在框架(30)上，框架(30)与壳体(10)安装固定，使得壳体(10)与扩散板(20)相抵接，以将扩散板(20)固定在壳体(10)和框架(30)之间。相较于现有技术，通过设置双面胶(32)即可解决灯具扭曲变形问题，并通过壳体(10)与框架(30)的配合提升结构强度。

Description

直下式灯具
本申请要求了申请日为2020年12月23日，申请号为202023132270.8，发明名称为“直下式灯具”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本实用新型涉及一种直下式灯具，属于照明技术领域。
背景技术
目前，随着市场上的LED直下灯具越做越薄，使得灯具及面板在重力的影响下容易扭曲变形，影响产品外观和使用，且安装到天花板上会产生很大缝隙，对产品造成损害。
有鉴于此，确有必要提出一种直下式灯具，以解决上述问题。
发明内容
本实用新型的目的在于提供一种直下式灯具，解决灯具扭曲变形问题，并提升结构强度。
为实现上述目的，本实用新型提供了一种直下式灯具，包括壳体、扩散板和框架，所述扩散板设置在所述框架上，所述框架与所述壳体安装固定，使得所述壳体与所述扩散板相抵接，以将所述扩散板固定在所述壳体和所述框架之间。
作为本实用新型的进一步改进，所述框架为四边形结构且由空心型材组成，所述框架的四个边均设有朝向所述框架内侧延伸的抵接面，其中至少一边的抵接面与所述扩散板固定连接。
作为本实用新型的进一步改进，所述扩散板通过双面胶与所述框架进行固定连接。
作为本实用新型的进一步改进，所述框架相对设置的两个边的抵接面上均设有双面胶。
作为本实用新型的进一步改进，所述框架的四个边的抵接面上均设有双面胶。
作为本实用新型的进一步改进，所述壳体还包括用于将所述壳体与所述框架固定连接的安装部，所述安装部上开设有安装孔，所述框架对应设有开口朝上的螺孔，以通过螺栓穿过所述安装孔和所述螺孔将所述壳体与所述框架进行固定。
作为本实用新型的进一步改进，所述壳体与所述安装部之间设有凹型槽，所述凹型槽的两侧分别与所述壳体和所述安装部相连，所述凹型槽环绕设置在所述壳体的底部且开口朝上，所述凹型槽的底部为平板状的平面且与所述扩散板相抵接。
作为本实用新型的进一步改进，所述抵接面环绕设置在所述框架的下端，且与所述凹型槽相对应。
作为本实用新型的进一步改进，所述壳体中还设有灯条，所述灯条包括基板以及设置在所述基板上的LED灯珠。
作为本实用新型的进一步改进，所述壳体外侧还设有用于散热的散热片，且所述散热片与所述壳体一体设置。
本实用新型的有益效果是：本实用新型通过设置双面胶即可解决灯具扭曲变形问题，并 通过壳体与框架的配合提升结构强度。
附图说明
图1是本实用新型直下式灯具的结构示意图。
图2是本实用新型直下式灯具的侧视剖面图。
图3是图2中A处的局部放大图。
具体实施方式
为了使本实用新型的目的、技术方案和优点更加清楚，下面结合附图和具体实施例对本实用新型进行详细描述。
在此，需要说明的是，为了避免因不必要的细节而模糊了本实用新型，在附图中仅仅示出了与本实用新型的方案密切相关的结构和/或处理步骤，而省略了与本实用新型关系不大的其他细节。
另外，还需要说明的是，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。
如图1至图3所示，本实用新型揭示了一种直下式灯具100，所述直下式灯具100包括壳体10、扩散板20和框架30。所述壳体10形成有开口朝下的腔体且所述腔体中设有发光单元(未图示)，所述扩散板20设置在所述壳体10下端，以使得所述发光单元发出的光线充分散射，实现更柔和、均匀的照射效果，所述框架30用于将所述扩散板20固定在所述壳体10的下端。
在本实用新型的另一实施例中，所述扩散板20由硬度较高的材料制备而成，通过所述扩散板20与所述壳体10的固定组合以防止所述壳体10形变扭曲。当然，所述扩散板20上还可设有纵横排列的加强筋，以进一步强化所述扩散板20的结构刚度。可以理解的是，该加强筋也可以设置在所述壳体10的内部。
优选地，所述壳体10的侧面设有用于吊装的通孔11，以将所述直下式灯具100吊装在天花板上。所述通孔11可以是两个或四个，且所述通孔11可以分别设置在所述壳体10相对方向的两侧，当然，所述通孔11的具体数量可以根据需要进行设置，在此不作限制。
在本实用新型的一较佳的实施例中，所述壳体10、扩散板20和框架30均为四边形结构，优选为矩形结构。其中，所述框架30的四边由空心型材围设而成，在减轻重量的同时可保证结构强度，所述框架30中间形成有用于出光的窗口，所述扩散板20设置在所述框架30的四边之间。
进一步地，所述框架30的四个边均设有朝向所述框架30内侧延伸的抵接面31，所述扩散板20放置在所述抵接面31上，以通过所述抵接面31承受所述扩散板20的重量，所述框架30中的至少一边的抵接面31上设有双面胶32，以将所述扩散板20固定在所述抵接面 31上，以防止所述扩散板20移动或产生形变。在本实用新型的其他实施例中，所述扩散板20与所述抵接面31之间也可以通过其他结构进行连接固定，包括但不限于胶水等形式，在此不作限制。
优选地，所述框架30的四边的抵接面31上均设有双面胶32，以将所述扩散板20固定在一平面内并防止其形变扭曲。在本实用新型的其他实施例中，所述扩散板20与所述抵接面31可以通过胶水或其他固定装置进行固定，在此不作限制。
进一步地，所述壳体10的侧壁的边缘处设有向外继续延伸的凹型槽12，所述凹型槽12环绕设置在所述壳体10的底部且开口朝上，所述凹型槽12的底部为平板状的平面且与所述扩散板20相抵接，即所述扩散板20的边缘的上底面和下底面分别于所述壳体10和框架30相抵接，并通过所述凹型槽12的底部和所述抵接面31相互配合以夹紧所述扩散板20，防止其产生形变。相应地，所述抵接面31环绕设置在所述框架30的下端，且与所述凹型槽12相对应。
在本实用新型的另一实施例中，所述壳体还包括自所述凹型槽12的外边缘水平向外延伸的安装部13，即所述凹型槽12的两侧分别与所述壳体10和所述安装部13相连，所述安装部13上开设有若干安装孔131且所述框架30对应设有开口朝上的若干螺孔，以通过螺栓132穿过安装孔131和所述螺孔将所述壳体10与所述框架30进行固定。具体地，通过调整所述螺栓132的旋紧程度，可以控制所述凹型槽12的底部和所述抵接面31相互配合的紧密程度，以夹紧所述扩散板20。在本实用新型的其他实施例中，所述螺孔也可以沿水平方向设置，相应地，所述螺栓132可从所述框架30侧面对所述壳体10进行固定，当然，所述壳体10与所述框架30的连接结构也可以是其他方式，在此不作限制。
在本实用新型的其他实施例中，所述发光单元包括若干平行设置的灯条(未图示)，所述灯条包括基板以及设置在所述基板上的LED灯珠。在该实施例中，所述LED灯珠也可以设置在同一较大的基板上，在此不作限制。进一步地，所述LED灯珠上设有透镜(未图示)，所述透镜用于提高所述LED灯珠的发光效率。在本实用新型的其他实施例中，所述透镜还包括一次透镜和二次透镜，所述一次透镜封装在所述LED灯珠上，用于汇聚所述LED灯珠的出光光线，所述二次透镜设置在所述一次透镜的外侧，用于将所述LED灯珠的发光角度再次汇聚成任意角度。
进一步地，所述壳体10内侧设有用于减少所述LED灯珠的光散射的反射膜(未图示)，所述反射膜可以贴合所述腔体内侧设置。
在本实用新型的其他实施例中，所述基板通过导热胶与所述壳体10相连，以将热量传递至所述壳体10进行散热。同时，所述壳体10外侧还设有用于散热的散热片14，且所述散热片14与所述壳体10一体设置，所述散热片14包括若干平行的条形结构且朝向所述壳体10外侧延伸，以增大与空气的接触面积，增强散热效率。
综上所述，本实用新型通过设置双面胶32即可解决灯具扭曲变形问题，并通过壳体10 与框架30的配合提升结构强度。
以上实施例仅用以说明本实用新型的技术方案而非限制，尽管参照较佳实施例对本实用新型进行了详细说明，本领域的普通技术人员应当理解，可以对本实用新型的技术方案进行修改或者等同替换，而不脱离本实用新型技术方案的精神和范围。

Claims (9)

  1. 一种直下式灯具，其特征在于，包括壳体、扩散板和框架，所述扩散板设置在所述框架上，所述框架与所述壳体安装固定，使得所述壳体与所述扩散板相抵接，以将所述扩散板固定在所述壳体和所述框架之间，所述框架为四边形结构且由空心型材组成，所述框架的四个边均设有朝向所述框架内侧延伸的抵接面，其中至少一边的抵接面与所述扩散板固定连接。
  2. 根据权利要求1所述的直下式灯具，其特征在于：所述扩散板通过双面胶与所述框架进行固定连接。
  3. 根据权利要求2所述的直下式灯具，其特征在于：所述框架相对设置的两个边的抵接面上均设有双面胶。
  4. 根据权利要求2所述的直下式灯具，其特征在于：所述框架的四个边的抵接面上均设有双面胶。
  5. 根据权利要求1所述的直下式灯具，其特征在于：所述壳体还包括用于将所述壳体与所述框架固定连接的安装部，所述安装部上开设有安装孔，所述框架对应设有开口朝上的螺孔，以通过螺栓穿过所述安装孔和所述螺孔将所述壳体与所述框架进行固定。
  6. 根据权利要求5所述的直下式灯具，其特征在于：所述壳体与所述安装部之间设有凹型槽，所述凹型槽的两侧分别与所述壳体和所述安装部相连，所述凹型槽环绕设置在所述壳体的底部且开口朝上，所述凹型槽的底部为平板状的平面且与所述扩散板相抵接。
  7. 根据权利要求6所述的直下式灯具，其特征在于：所述抵接面环绕设置在所述框架的下端，且与所述凹型槽相对应。
  8. 根据权利要求1所述的直下式灯具，其特征在于：所述壳体中还设有灯条，所述灯条包括基板以及设置在所述基板上的LED灯珠。
  9. 根据权利要求1所述的直下式灯具，其特征在于：所述壳体外侧还设有用于散热的散热片，且所述散热片与所述壳体一体设置。
PCT/CN2021/133868 2020-12-23 2021-11-29 直下式灯具 WO2022135065A1 (zh)

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