WO2021104173A1 - Lampe vers le bas - Google Patents

Lampe vers le bas Download PDF

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Publication number
WO2021104173A1
WO2021104173A1 PCT/CN2020/130537 CN2020130537W WO2021104173A1 WO 2021104173 A1 WO2021104173 A1 WO 2021104173A1 CN 2020130537 W CN2020130537 W CN 2020130537W WO 2021104173 A1 WO2021104173 A1 WO 2021104173A1
Authority
WO
WIPO (PCT)
Prior art keywords
lamp body
face ring
downlight
sleeve
mounting
Prior art date
Application number
PCT/CN2020/130537
Other languages
English (en)
Chinese (zh)
Inventor
刘泽玉
肖一胜
王爱萍
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.)
Filing date
Publication date
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 WO2021104173A1 publication Critical patent/WO2021104173A1/fr

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

Definitions

  • the invention relates to a lighting fixture, in particular to a downlight.
  • the purpose of the present invention is to solve the above-mentioned problems and provide a downlight with a simple structure.
  • the technical solution adopted by the present invention is to provide a downlight, including a lamp body, a light source, and a face ring.
  • One end of the lamp body is open, the light source is arranged in the lamp body, and the face ring is arranged.
  • the face ring includes a ring portion extending radially toward the outer circumference of the lamp body and a guiding portion extending axially toward the lamp body, wherein: the downlight further includes at least Two mounting springs, the mounting springs include a mounting part sandwiched between the lamp body and the surface ring guide part, and extend to the outside of the lamp body to form the downlight which can be embedded in Mounting department on the basis of installation.
  • the guiding portion is cylindrical, extending from the open end of the lamp body into the lamp body, and the guiding portion is at least partially in contact with the inner wall of the lamp body.
  • the inner wall of the lamp body is provided with a groove for accommodating the mounting portion.
  • the depth of the groove is not less than the thickness of the mounting portion.
  • the position where the groove is located is away from the opening end along the axis of the lamp body to form a notch.
  • the lamp body and the face ring are threadedly connected, the inner wall of the lamp body is provided with an internal thread, and the guide portion is provided with an external thread.
  • the internal thread and the groove provided on the inner wall of the lamp body are spaced apart.
  • the lamp body and the face ring are in a snap connection or interference fit.
  • the lamp body includes a sleeve and a rear lamp body, one end of the sleeve is connected with the face ring, the other end is connected with the rear shell, and the light source is arranged in the sleeve.
  • the downlight further includes an optical element, and the optical element is arranged in the sleeve.
  • the rear shell is a heat sink made of a material with high thermal conductivity.
  • the mounting part of the spring plate is clamped between the face ring and the lamp body to realize the fixing of the spring plate.
  • the face ring and the lamp body can be simultaneously realized in one step.
  • the installation of the two parts of the spring plate does not require other connectors.
  • This connection method takes advantage of the characteristics of the lamp body parts and the thinness of the metal shrapnel, maximizes the use of the product’s own structure, solves the connection problem between the shrapnel and the lamp body, reduces the production process, and reduces the cost of parts. Quantity.
  • Figure 1 is a structural exploded view of a preferred embodiment of the present invention
  • Figure 2 is a cross-sectional structural view of a sleeve, a face ring, and an elastic piece installation part in a preferred embodiment of the present invention
  • Figure 3 is a schematic structural diagram of a face ring in a preferred embodiment of the present invention.
  • Figure 4 is a schematic diagram of the structure of the lamp body in a preferred embodiment of the present invention.
  • Fig. 5 is a schematic diagram of a structure for installing a spring sheet in a preferred embodiment of the present invention.
  • Fig. 6 is an assembly diagram of the sleeve, the face ring, and the mounting elastic sheet in another preferred embodiment of the present invention.
  • the downlight of the preferred embodiment provided by the present invention includes a lamp body assembled by a sleeve 5 and a rear shell 1, a light source 2, a face ring 6 and a mounting elastic sheet 4.
  • One end of the sleeve 5 is connected with the rear housing 1 to form a lamp body, and a light source 2 can be placed inside the sleeve.
  • the other end of the sleeve 5 is an open end 508, and the face ring 6 is provided at the open end 508.
  • the sleeve 5 is also provided with a light distribution element.
  • the light distribution element is a lens 3.
  • the light distribution element can also be a reflector or a reflector + lens.
  • the lens 3 is sandwiched between the light source 2 and the face ring 6 to directly realize the fixation of the lens 3.
  • other optical elements may be provided in the sleeve to replace the lens 3, such as a reflector.
  • the rear case 1 is used as a heat sink and is made of a metal with good thermal conductivity, and can accommodate power components (as shown in the figure).
  • other high thermal conductivity materials such as thermal conductivity, can also be used. Plastics, ceramics, etc.
  • the sleeve 5 and the rear housing 1 may not be separate parts, and the lamp body is integrally formed, and the entire body can be used as a heat sink to dissipate heat.
  • the face ring 6 in this embodiment includes an annular portion 601 extending radially toward the outer circumference of the sleeve 5 and a guiding portion 602 extending axially in the sleeve 5.
  • the guiding portion 602 is cylindrical, and its cross-sectional shape is consistent with the cross-sectional shape of the inner wall of the sleeve.
  • the guide portion 602 is inserted into the sleeve 5
  • the guiding portion 602 extends from the open end 508 of the sleeve 5 into the sleeve 5, and the guiding portion 602 will at least partially contact the inner wall of the sleeve 5 for mating connection.
  • the guiding portion 602 is at least screwed to the sleeve 5.
  • the guiding portion 602 includes an external thread 603, and the inner wall of the sleeve 5 near the open end 508 is provided with Internal thread 502.
  • the downlight of this embodiment includes two mounting elastic pieces 4.
  • the mounting elastic piece 4 includes a mounting portion 401 for connecting with the downlight body and a hanging portion 402 extending toward the outside of the light body.
  • the mounting part 401 and the hanging part 402 are integrally formed, and are formed by bending a piece of metal.
  • Downlights are generally embedded in the installation holes on the installation foundation such as suspended ceilings and ceilings. Because the metal sheet can be elastically deformed, when the downlight is installed, the hanging part 402 can be pressed toward the direction of the lamp body, and the spring 4 and the lamp body can be installed together. After passing through the mounting hole, the hanging portion 402 returns to its original shape and extends outward.
  • the hanging portion 402 is radially larger than the mounting hole, the hanging portion 402 can hang the downlight on the mounting hole.
  • the number of the installation elastic pieces 4 is at least two, and in other preferred embodiments, it can also be three or more, which is not limited in this application.
  • the mounting part 401 of the spring 4 is usually fixed on the sleeve 5 by screws.
  • This application proposes a screw-free solution for fixing the spring 4.
  • the connection between the elastic sheet 4 and the sleeve 5 and the face ring 6 is installed.
  • the mounting part 401 is sandwiched between the sleeve 5 and the face ring 6, specifically between the inner wall of the sleeve 5 and the guide part 602 of the face ring 6, and the mounting part 401 is sandwiched
  • the support limits the radial displacement of the mounting elastic piece 4 in the lamp body.
  • the connecting part between the mounting part 401 and the hanging part 402 is also clamped by the annular part 601 of the face ring 6 and the outlet end 508 of the sleeve 5, which restricts the axial movement of the mounting elastic piece 4. So far we can see that this installation method can realize the installation of the spring piece 4 while completing the installation of the face ring 6 and the sleeve 5, without the need for connecting parts such as screws.
  • the inner wall of the sleeve 5 is provided with a groove 501 for accommodating the mounting portion 401, and the depth of the groove 501 is different. It is smaller than the thickness of the mounting part 401.
  • the groove 501 is no longer threaded, and the inner side of the sleeve 5 forms a form in which the groove 501 and the thread 502 are spaced apart. In this way, when the face ring 6 is installed, the mounting portion 401 is located in the groove 501 without affecting the threaded connection between the sleeve 5 and the face ring 6.
  • the mounting portion 401 of the elastic piece 4 is located on the inside of the sleeve 5, and the hanging portion 402 is located on the outside of the sleeve 5.
  • the connection between the two needs to cross the open end 508 of the sleeve 5, in order to make the face ring 6
  • the connection between the annular portion 601 and the open end 508 of the sleeve is not disturbed by the thickness of the mounting elastic piece 4, and the groove 501 is axially retracted from the open end 508 along the cylinder wall of the sleeve 5 to form a notch 503, the mounting portion 401
  • the connection point with the hanging part 402 is set at the notch 503.
  • connection between the sleeve 5 and the face ring 6 can also be in other ways than threads.
  • FIG. 6 shows the assembly relationship between the sleeve 5, the face ring 6, and the mounting elastic piece 4 in another preferred embodiment of the present application. .
  • the sleeve 5 and the face ring 6 are connected by interference fit. Because the installation part 401 of the elastic piece 4 cannot be inserted between the two due to the interference fit, the sleeve 5 is also provided with a groove as in the previous embodiment. Similar to the above, I won't repeat it here.
  • the connection can also be made in a snap-fit manner.

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

Abstract

Lampe vers le bas comprenant un corps de lampe (1, 5), une source de lumière (2), un anneau de face (6) et deux pièces élastiques d'installation (4), une extrémité du corps de lampe (1, 5) étant ouverte, la source de lumière (2) étant disposée à l'intérieur du corps de lampe (1, 5), la bague de face (6) étant disposée à l'extrémité ouverte du corps de lampe (1, 5), la bague de face (6) comprenant une partie annulaire (601) s'étendant radialement dans la circonférence du corps de lampe (1, 5) et une partie de guidage (602) s'étendant vers la direction axiale interne du corps de lampe (1, 5), les pièces élastiques d'installation (4) comprenant des parties d'installation (401) serrées entre le corps de lampe (1, 5) et la partie de guidage (602) de la bague de face (6), et des parties de suspension (402), les parties de suspension (402) étant formées en s'étendant vers le côté extérieur du corps de lampe (1, 5), et la lampe inférieure pouvant être incorporée sur une base d'installation. Selon la structure de la lampe vers le bas, les caractéristiques des parties du corps de lampe (1, 5) et la caractéristique selon laquelle les pièces métalliques élastiques (4) sont minces, la structure du produit lui-même est utilisée à l'étendue maximale, le problème de liaison entre les pièces élastiques (4) et le corps de lampe (1, 5) est résolu, le processus de production est simplifié, le nombre de pièces est réduit, l'installation de la bague de face (6) et les pièces élastiques d'installation (4) peuvent être obtenues en même temps simplement au moyen d'une étape, et d'autres éléments de liaison ne sont pas nécessaires.
PCT/CN2020/130537 2019-11-25 2020-11-20 Lampe vers le bas WO2021104173A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201922052171.X 2019-11-25
CN201922052171.XU CN211902578U (zh) 2019-11-25 2019-11-25 一种筒灯

Publications (1)

Publication Number Publication Date
WO2021104173A1 true WO2021104173A1 (fr) 2021-06-03

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ID=73299798

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/130537 WO2021104173A1 (fr) 2019-11-25 2020-11-20 Lampe vers le bas

Country Status (2)

Country Link
CN (1) CN211902578U (fr)
WO (1) WO2021104173A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN211902578U (zh) * 2019-11-25 2020-11-10 欧普照明股份有限公司 一种筒灯

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201000050Y (zh) * 2007-01-01 2008-01-02 无锡来德电子有限公司 照明筒灯的led灯泡
CN202253416U (zh) * 2011-08-23 2012-05-30 郭泽均 Led筒灯外环
CN102518969A (zh) * 2011-12-16 2012-06-27 福建德泓勤上光电科技有限公司 遥控调光调色led筒灯
CN203585943U (zh) * 2013-10-30 2014-05-07 深圳伽尚光电有限公司 一种led筒灯
CN204201801U (zh) * 2014-10-11 2015-03-11 佛山市南海圣丽照明有限公司 一种led筒灯面板支架
CN207610090U (zh) * 2017-11-15 2018-07-13 漳州立达信光电子科技有限公司 一种安装弹片、筒灯及照明装置
CN209180798U (zh) * 2018-10-12 2019-07-30 中山市胜旺照明电器有限公司 一种新型方便拆除光源模块的筒灯
CN211902578U (zh) * 2019-11-25 2020-11-10 欧普照明股份有限公司 一种筒灯

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201000050Y (zh) * 2007-01-01 2008-01-02 无锡来德电子有限公司 照明筒灯的led灯泡
CN202253416U (zh) * 2011-08-23 2012-05-30 郭泽均 Led筒灯外环
CN102518969A (zh) * 2011-12-16 2012-06-27 福建德泓勤上光电科技有限公司 遥控调光调色led筒灯
CN203585943U (zh) * 2013-10-30 2014-05-07 深圳伽尚光电有限公司 一种led筒灯
CN204201801U (zh) * 2014-10-11 2015-03-11 佛山市南海圣丽照明有限公司 一种led筒灯面板支架
CN207610090U (zh) * 2017-11-15 2018-07-13 漳州立达信光电子科技有限公司 一种安装弹片、筒灯及照明装置
CN209180798U (zh) * 2018-10-12 2019-07-30 中山市胜旺照明电器有限公司 一种新型方便拆除光源模块的筒灯
CN211902578U (zh) * 2019-11-25 2020-11-10 欧普照明股份有限公司 一种筒灯

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