EP3404319B1 - Rotierender aufbau von led-spurleuchten - Google Patents

Rotierender aufbau von led-spurleuchten Download PDF

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Publication number
EP3404319B1
EP3404319B1 EP18173014.4A EP18173014A EP3404319B1 EP 3404319 B1 EP3404319 B1 EP 3404319B1 EP 18173014 A EP18173014 A EP 18173014A EP 3404319 B1 EP3404319 B1 EP 3404319B1
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EP
European Patent Office
Prior art keywords
downlight
gear plate
rotating gear
rotating
elastic member
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.)
Active
Application number
EP18173014.4A
Other languages
English (en)
French (fr)
Other versions
EP3404319A1 (de
Inventor
Xiaoyun Liu
Weibo LI
Jianguo Dong
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.)
LIN, WANJIONG
Ningbo Self Electronics Co Ltd
Self Electronics Germany GmbH
Original Assignee
Ningbo Self Electronics Co Ltd
Self Electronics Germany GmbH
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 Ningbo Self Electronics Co Ltd, Self Electronics Germany GmbH filed Critical Ningbo Self Electronics Co Ltd
Publication of EP3404319A1 publication Critical patent/EP3404319A1/de
Application granted granted Critical
Publication of EP3404319B1 publication Critical patent/EP3404319B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/34—Supporting elements displaceable along a guiding element
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/36—Hoisting or lowering devices, e.g. for maintenance
    • 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 invention relates to the lighting device field, in particular to a rotating structure of LED track lights.
  • LED lamps can be quickly promoted.
  • the structure for adjusting the illumination range in lamps and lanterns is generally more complicated, which increases the manufacturing cost and the installation difficulty.
  • the orbital system slowly merges the buildings themselves and serves as a permanent function of local functions, with seldom moving locations.
  • the articles in the building will be placed in different positions according to different requirements.
  • the irradiation direction of the track light changes according to the position of the articles, preferably, the irradiation direction can rotate by 180 degrees in the horizontal direction and 350 degrees in the vertical direction, in order to achieve dark area lighting design requirements.
  • a rotating structure of LED track lights comprising: a downlight with a through hole, a boom mechanism penetrating the through-hole, and a limiting mechanism disposed on the boom mechanism; the boom mechanism comprising a bearing penetrating the through-hole, a elastic member sleeved on the outer side of the bearing and a nut screwed on the free end of the bearing; the limiting mechanism comprising a rotating gear plate fixedly sleeved on the bearing, and an elastic abutting member fixedly arranged in the downlight; the rotating gear plate located between the elastic member and the sidewall of the downlight, the nut driving the elastic member towards the rotating gear plate and pressing the elastic member against the rotating gear plate, a plurality of cogs arranged on a radial side wall of the rotating gear plate, and the elastic abutting member comprising a abutting head which is pressed against a cog of the rotating gear plate and rotates along the cog movement track fixed on the rotating gear plate.
  • the rotating structure further comprises a sleeve fixedly disposed in the through hole of the downlight, the sleeve is located between the the through hole of the downlight and the bearing, the axial length of the bearing is greater than the axial length of the through hole, one end of the sleeve has a flange one side the flange towards the downlight is a cambered surface, the radius of the arc surface is equal to the external diameter of the downlight, and the end face of the flange is flat and abuts against the boom mechanism.
  • the boom mechanism further comprises a damping spacer sleeved on the bearing and located between the end face of the flange of the sleeve and the boom mechanism.
  • the boom mechanism further comprises a spacer disposed between the nut and the elastic member, and the diameter of the spacer is greater than the diameter of the elastic member.
  • the bearing is provided with a positioning portion whose diameter is larger than the inner diameter of the nut, and when the nut is attached to the positioning portion, the axial length of the elastic member is greater than the axial length of the elastic member when compressed to a minimum.
  • the elastic abutting member comprises an accommodating chamber, a compressive elastic member disposed in the accommodating chamber, and a abutting head disposed on the open end of the accommodating chamber and is abutted by the compressive elastic member.
  • the rotating structure further comprises a power supply bracket fixed in the downlight, the accommodating chamber is fixedly disposed on the side of the power supply bracket towards to the rotating gear plate.
  • the elastic abutting member comprises a hook, a plate extending from the hook to the direction of the rotating gear plate, and an elastic piece bended form the hook to the direction of the cog of the rotating gear plate.
  • the downlight further comprises a retaining wall, one side of the rotating gear plate is arranged on the retaining wall, and the hook of elastic abutting member hangs on the retaining wall.
  • the contour line of the cross section of each cog teeth in the radial direction of the rotating ring gear is arcuate.
  • the rotation of the downlight is very rhythmical due to the cooperation of the cog on the rotating gear plate and the elastic abutting member.
  • FIG.1 is an exploded structure diagram of a rotating structure 100 of LED track lights according to the present invention.
  • the rotating structure of LED track lights comprises: a downlight 10, a sleeve 20 fixedly disposed in the downlight 10, a boom mechanism 30 penetrating the through-hole, and a limiting mechanism 40 disposed on the boom mechanism, and and a power supply holder 50 disposed in the downlight10.
  • the LED track light further comprises other functional modules such as a track plug, a horizontal rotating mechanism, a light emitting module, a heat dissipating module, and a power module, which are well-known in the art and are not the innovation of the present invention and will not be described in detail here.
  • the boom mechanism 30 is connected with the horizontal rotation mechanism and the track plug.
  • the downlight 10 is configured to accommodate the light emitting module, the heat dissipating module, the power supply module, and the like as described above,and it is also used to set the above-mentioned sleeve 20, the boom mechanism 30, and the like.
  • the downlight 10 may be a circular cylinder, a square cylinder, or any other cylinder with any shape.
  • the downlight 10 is made of metal.
  • the downlight 10 is a circular cylinder and comprises a through hole 11 for inserting the sleeve 20 and the boom mechanism 30.
  • the downlight 10 is a circular cylinder, in order to make the sleeve 20, the boom mechanism 30 and the limiting mechanism 40 provided have a stable structure, the downlight further comprises a retaining wall 12 disposed on the internal downlight 10.
  • the retaining wall 12 is a flat plate, and is used for fixing the boom mechanism 30 and the limiting mechanism 40.
  • the retaining wall 12 may not be provided if the downlight 10 is a square cylinder. The specific function and connection of the retaining wall 12 will be described in more detail below.
  • the sleeve 20 is sleeved in the through hole 11. Since the downlight 10 is made of metal and the side walls thereof are usually thinner so that when the boom mechanism 30 is provided, sound is generated during rotation and is difficult to fix due to the thin wall, it is necessary to provide sleeve 20. It is therefore also conceivable that when the side walls of the downlight 10 are sufficiently thick or otherwise formed to eliminate the sound generated by the rotation such as when the lubricating oil or downlight 10 is made of a softer material such as plastic, the sleeve 20 may not be sleeved. In order to fix the sleeve 20, one end of the sleeve 20 is provided with a first nut 21 and the other is provided with a flange 22.
  • the side wall of the downlight 10 is sandwiched between the first nut 21 and the flange 22.
  • the flange 22 is a cambered surface, the radius of the arc surface is equal to the external diameter of the downlight so that the flange is fixed to the side wall of the downlight10, and the end face of the flange is flat and abuts against the boom mechanism 30.
  • the sleeve 20 can be made of plastic material to reduce the noise during rotation.
  • the boom mechanism 30 comprises a bearing 31 penetrating the through-hole 11, a elastic member 32 sleeved on the outer side of the bearing 31 and a nut 33 screwed on the free end of the bearing 31 and a damping spacer 34 disposed between the nut 33 and the elastic member 32. It is conceivable that the boom mechanism 30 further comprises other components fixedly connected with the bearing 31, such as a connecting rod connected with the flat rotating mechanism and the like, which are components known to those skilled in the art and will not be described in detail here. In this embodiment, the bearing 31 is inserted in the sleeve 20. The free end of the bearing 31 is provided with a screw thread to screw the nut 33.
  • the bearing 31 is also provided with two rib stop positions 311 and a positioning portion 312.
  • the two rib stop positions 311 are configured to cooperate with the below-mentioned rotating gear plate 41 of the limiting mechanism 40 to fix the relative positions of the rotating gear plate 41 and the bearing 31.
  • the diameter of positioning portion 312 is larger than the inner diameter of the nut 33, and when the nut 33 is attached to the positioning portion 312, the axial length of the elastic member 32 is greater than the axial length of the elastic member 32 when compressed to a minimum so as to prevent the rotation of the rotating gear plate 41 from being locked, that is, due to the elastic member 32 against the rotation of the rotating gear plate 41, if the nut 33 is too tight, it will lock the rotation of the rotating gear plate, and thus the positioning portion 312 is provided. At the same time, when the nut 33 is locked on the positioning portion 312, the nut 33 can be prevented from loosening.
  • the elastic member 32 may be a spring, one side of which is pressed against the rotating gear plate 41 to transmit the force against the rotating gear 41, and the side wall of the downlight 10 is sandwiched between the rotating gear plate 41 and the end of the bearing 31, specifically, it is the sleeve 20.
  • the partial limiting capability of the rotating gear plate 41 is formed by the frictional force between the rotating gear plate 41 and the connected components, such as the elastic member 32 and the sleeve 20.
  • the nut 33 is a standard part screwed on the bearing 31 to apply a pressing force to the elastic member 32 and drive the elastic member 32 towards the rotating gear plate 41 to press the elastic member 32 against the rotating gear plate 41.
  • the spacer 34 can facilitate the rotation of the nut 33 and at the same time the spacer 34 can block the elastic member 32 when the maximum diameter of the nut 33 is smaller than the minimum diameter of the elastic member 32.
  • the spacer 34 may be made of metal to reduce its volume.
  • the boom mechanism 30 further comprises a damping spacer 35 sleeved on the bearing 31 and located between the end face of the flange of the sleeve 20 and the boom mechanism 30.
  • the damping spacer 35 may be made of nylon.
  • the first purpose of the damping spacer 35 is to increase the friction; the second is to prevent the cradle mechanism 30 from being damaged by the friction with the flange 22 of the sleeve 20 for a long time.
  • the limiting mechanism 40 comprises a rotating gear plate 41 fixedly sleeved on the bearing 31, and an elastic abutting member 42 fixedly arranged in the downlight 10; the rotating gear plate 41 is located between the elastic member 32 and the sidewall of the downlight 10.
  • the downlight has the retaining wall 12 thereon.
  • the downlight 10 is square cylinder, the side wall thereof is a flat plate, the downlight 10 may not be provided with the retaining wall 12.
  • the rotating gear plate 41 is fixed on the bearing 31.
  • the rotating gear plate 41 comprises a central hole 411 penetrating the bearing 31 and two ribs 412 disposed along the axial center of the central hole 411.
  • the bearing 31 is provided with two rib stop positions 311, which has been described above.
  • a plurality of cogs 413 are provided on a radial side wall of the rotating gear plate 41.
  • the outline of each of the cogs 413 in the radial direction of the rotating gear 41 is arc-shaped.
  • the number of teeth 413 can be any number, which is set according to actual needs, such as the speed of rotation.
  • the plurality of cogs 413 are continuous curves so as to form the track of movement of the elastic abutting member 42 so that the downlight 10 can move smoothly.
  • the elastic abutting member 42 can be an elastic piece or an elastic mechanism.
  • the resilient abutting member 42 is an elastic piece.
  • the elastic abutting member 42 comprises a hook421 hung on the retaining wall 12, a plate 422 extending from the hook 421 to the rotating gear plate 41, and an elastic piece 423 bended form the hook to the direction of the cog 413 of the rotating gear plate 41.
  • the elastic piece 423 is V-shaped.
  • the bottom of the V shape is curved, and when one of the plurality of cogs 413 abuts the rotating gear plate 41 and rotates along the track of the movement of the rotation of the cogs 413.
  • the elastic piece 423 limits the rotating gear plate 41 to prevent it from rotating freely.
  • the elastic abutting member 42 comprises an accommodating chamber, a compressive elastic member disposed in the accommodating chamber, and a abutting head disposed on the open end of the accommodating chamber and is abutted by the compressive elastic member.
  • the abutment head abuts against the cog of the rotating gear plate.
  • the accommodating chamber may be cylindrical, which may be fixed on the power bracket 50 described below.
  • the compressive elastic member may be a rubber rod or a spring, which is accommodated in the accommodating chamber.
  • the abutment head may be a ball, which is accommodated in the open end of the accommodating chamber. The ball may be sandwiched between the accommodating chamber after the ball is received in the accommodating chamber and then compressed to reduce the diameter of the opening end to be smaller than the diameter of the ball.
  • the abutting head abuts on one of the plurality of cogs 413 and moves along the track of the teeth 413 when the rotating gear 41 rotates.
  • the power supply bracket 50 is configured to receive a power source for providing compliant power to the LED chip and is fixed in the downlight 10.
  • the fixing manner may be that a plurality of screw hole posts are provided on the sidewall of the downlight 10 and then the power bracket 50 is fixed to the screw hole post through screw.
  • the screw hole post can be disposed on the retaining wall 12.
  • the hook 421 of the elastic abutting member 42 is pressed against the retaining wall 12.
  • the hook 421 can also be fixed on the retaining wall 12 by a fastener such as a screw.
  • the accommodation chamber of the elastic abutting member 42 may be directly embedded on the side of the power supply bracket 50 facing the rotating gear 41.
  • the rotation of the downlight 10 is very rhythmical due to the cooperation of the cog 413on the rotating gear plate 41 and the elastic abutting member 42.
  • the application increases the user experience.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Claims (10)

  1. Drehbare Struktur von LED-Stromschienenleuchten, bestehend aus: einem Downlight (10) mit einem Durchgangsloch (11), einem Auslegermechanismus (30), der das Durchgangsloch (11) durchdringt, und einem Begrenzungsmechanismus (40), der an dem Auslegermechanismus (30) angeordnet ist; wobei der Auslegermechanismus (30) ein Lager (31), das das Durchgangsloch (11) durchdringt, ein elastisches Element (32), das an der Außenseite des Lagers (31) eingehüllt ist, und eine Mutter (33), die auf das freie Ende des Lagers (31) geschraubt ist, umfasst; der Begrenzungsmechanismus (40) eine drehbare Zahnradplatte (41), die fest auf dem Lager (31) gelagert ist, und ein elastisches Anschlagelement (42), das fest in dem Downlight (10) angeordnet ist, umfasst; die drehbare Zahnradplatte (41) sich zwischen dem elastischen Element (32) und der Seitenwand des Downlights (10) befindet, wobei die Mutter (33) das elastische Element (32) in Richtung der drehbaren Zahnradplatte (41) treibt und das elastische Element (32) gegen die drehbare Zahnradplatte (41) drückt, eine Vielzahl von Zähnen (413) an einer radialen Seitenwand der rotierenden Zahnradplatte (41) angeordnet sind, und wobei das elastische Anschlagelement (42) einen Anschlagkopf umfasst, der gegen einen Zahn (413) der rotierenden Zahnradplatte (41) gedrückt wird und sich entlang der an der rotierenden Zahnradplatte (41) befestigten Bewegungsbahn des Zahnrads (413) dreht.
  2. Drehbare Struktur von LED-Stromschienenleuchten nach Anspruch 1, wobei die drehbare Struktur ferner eine Hülse (20) umfasst, die fest in dem Durchgangsloch (11) des Downlights (10) angeordnet ist, wobei die Hülse (20) zwischen dem Durchgangsloch (11) des Downlights (10) und dem Lager (31) angeordnet ist, die axiale Länge des Lagers (31) größer ist als die axiale Länge der Durchgangsbohrung (11), ein Ende der Hülse (20) einen Flansch (22) aufweist, eine Seite des Flansches (22) zum Downlight (10) hin eine gewölbte Fläche ist, der Radius der Bogenfläche gleich dem Außendurchmesser des Downlights (10) ist, und die Stirnseite des Flansches (22) flach ist und gegen den Auslegermechanismus (30) anliegt.
  3. Drehbare Struktur von LED-Stromschienenleuchten nach Anspruch 1 oder 2, wobei der Auslegermechanismus (30) ferner einen dämpfenden Abstandshalter (35) aufweist, der auf dem Lager (31) gelagert und zwischen der Stirnseite des Flansches (22) der Hülse (20) und dem Auslegermechanismus (30) angeordnet ist.
  4. Drehbare Struktur von LED-Stromschienenleuchten nach Anspruch 1 oder 2, wobei der Auslegermechanismus (30) ferner einen Abstandshalter (34) umfasst, der zwischen der Mutter (33) und dem elastischen Element (32) angeordnet ist, und der Durchmesser des Abstandshalters (34) größer als der Durchmesser des elastischen Elements (32) ist.
  5. Drehbare Struktur von LED-Stromschienenleuchten nach Anspruch 3, wobei das Lager (31) mit einem Positionierungsabschnitt (312) versehen ist, dessen Durchmesser größer als der Innendurchmesser der Mutter (33) ist, und wenn die Mutter (33) an dem Positionierungsabschnitt (312) angebracht ist, ist die axiale Länge des elastischen Elements (32) größer als die axiale Länge des elastischen Elements (32), wenn es auf ein Minimum zusammengedrückt wird.
  6. Drehbare Struktur von LED-Stromschienenleuchten nach Anspruch 4, wobei das elastische Anschlagelement (42) eine Aufnahmekammer, ein in der Aufnahmekammer angeordnetes elastisches Druckelement und einen am offenen Ende der Aufnahmekammer angeordneten Anschlagkopf aufweist und an dem das elastische Druckelement anliegt.
  7. Drehbare Struktur von LED-Stromschienenleuchten nach Anspruch 6, wobei die drehbare Struktur ferner einen im Downlight (10) befestigten Stromversorgungsbügel (50) umfasst, wobei die Aufnahmekammer an der Seite des Stromversorgungsbügels (50) in Richtung der drehbaren Getriebeplatte (41) fest angeordnet ist.
  8. Drehbare Struktur von LED- Stromschienenleuchten nach Anspruch 1 oder 2, wobei das elastische Anschlagelement (42) einen Haken (421), eine Platte (422), die sich von dem Haken (421) in Richtung der drehbaren Zahnradplatte (41) erstreckt, und ein elastisches Stück (423) aufweist, das von dem Haken (421) in Richtung des Zahnrads (413) der drehbaren Zahnradplatte (41) gebogen ist.
  9. Drehbare Struktur von LED-Stromschienenleuchten nach Anspruch 8, wobei das Downlight (10) ferner eine Haltewand (12) aufweist, eine Seite der drehbaren Zahnradplatte (41) an der Haltewand (12) angeordnet ist und der Haken (421) eines elastischen Anschlagelements (42) an der Haltewand (12) hängt.
  10. Drehbare Struktur von LED-Stromschienenleuchten nach Anspruch 1 oder 2, wobei die Konturlinie des Querschnitts jedes Zahnrades in radialer Richtung des rotierenden Hohlrades bogenförmig ist.
EP18173014.4A 2017-05-18 2018-05-17 Rotierender aufbau von led-spurleuchten Active EP3404319B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710353966.7A CN107084341B (zh) 2017-05-18 2017-05-18 一种led轨道灯的转动结构

Publications (2)

Publication Number Publication Date
EP3404319A1 EP3404319A1 (de) 2018-11-21
EP3404319B1 true EP3404319B1 (de) 2020-03-04

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EP18173014.4A Active EP3404319B1 (de) 2017-05-18 2018-05-17 Rotierender aufbau von led-spurleuchten

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CN (1) CN107084341B (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019227412A1 (zh) * 2018-05-31 2019-12-05 深圳市柔宇科技有限公司 照明装置
CN112283616A (zh) * 2020-10-22 2021-01-29 赛尔富电子有限公司 一种灯具的转臂结构以及带有该转臂结构的灯具

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Publication number Priority date Publication date Assignee Title
DE102012205237B4 (de) * 2012-03-30 2019-11-28 Andreas Hierzer Leuchte zur Verwendung in einer Beleuchtungsanordnung
CN102853401B (zh) * 2012-09-18 2015-05-20 赛尔富电子有限公司 一种轨道灯的灯头转动结构
CN205807043U (zh) * 2016-06-22 2016-12-14 赛尔富电子有限公司 一种led条形灯的角度调节机构
CN106642034B (zh) * 2017-01-12 2023-10-03 赛尔富电子有限公司 一种轨道灯具的散热系统
CN206846447U (zh) * 2017-05-18 2018-01-05 赛尔富电子有限公司 一种led轨道灯的转动结构

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Publication number Publication date
CN107084341B (zh) 2024-06-11
CN107084341A (zh) 2017-08-22
EP3404319A1 (de) 2018-11-21

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