EP3508784B1 - Kegelstumpfdiffusor für led-chip an bord - Google Patents

Kegelstumpfdiffusor für led-chip an bord Download PDF

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Publication number
EP3508784B1
EP3508784B1 EP18075013.5A EP18075013A EP3508784B1 EP 3508784 B1 EP3508784 B1 EP 3508784B1 EP 18075013 A EP18075013 A EP 18075013A EP 3508784 B1 EP3508784 B1 EP 3508784B1
Authority
EP
European Patent Office
Prior art keywords
truncated cone
board
led chip
diffuser
heatsink
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
EP18075013.5A
Other languages
English (en)
French (fr)
Other versions
EP3508784A1 (de
Inventor
Stefano Grisoni
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP3508784A1 publication Critical patent/EP3508784A1/de
Application granted granted Critical
Publication of EP3508784B1 publication Critical patent/EP3508784B1/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
    • 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
    • F21V21/15—Adjustable mountings specially adapted for power operation, e.g. by remote control
    • 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
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • 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
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/041—Optical design with conical or pyramidal surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • 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

  • this invention refers to an assembly according to claim 1.
  • This invention concerns an assembly that is able to diffuse the sum of at least one LED chip on board matrix assembled on a heatsink, able to obtain a single light beam, varying its amplitude and intensity through a longitudinal movement forward and backward, with respect to the surface of the lens.
  • the operator often uses instruments where the LED chip on board remains fixed and the lens is moved forward or backward through telescopic mechanisms, or through the use of parabolic systems, to vary the angle of the beam of light.
  • the invention solves these problems, as the following main functions are completed with the invention: the addition of at least one LED chip on board matrix to form a single light beam, improving its homogeneity, variation of the light beam angle through movement of the instrument and use of a single truncated cone diffuser housed on a heatsink cooled by a fan, further improving overall heat dissipation.
  • the diffuser consists of a central body with a truncated cone open at the ends and a base on the smaller end of the truncated section, with housing for at least one LED chip on board and housings for some clamping elements respectively on the surface of the base.
  • a device designed to diffuse the sum of at least one LED chip on board matrix housed inside the diffuser device designed to obtain a single light beam housed on a heatsink by varying the amplitude and intensity of the light beam through a longitudinal movement forward and backward, with respect to the surface of the lens, is indicated in number 4.
  • Said device 4 includes:

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)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Eye Examination Apparatus (AREA)

Claims (4)

  1. Baugruppe für eine Leuchte, die Baugruppe besteht aus einem Kegelstumpfdiffusor (4), mindestens einem LED-Chip an Bord (12), mindestens einem Kühlkörper (5), mindestens einer Luftdurchlasskammer (6), mindestens einem Lüfter (7), mindestens einem beweglichen Element (2), mindestens ein zur Bewegungsübertragung geeigneten Element (3) muss in mindestens einem Leitsystem (14) untergebracht sein, darin bildet die Baugruppe eine Basis (4a) mit einer Winkelöffnung von der aus sich eine Kontur des Kegelstumpfbereichs (4h) vom Kegelstumpfdiffusor (4) nach außen erweitert, beziehungsweise auf dem LED-Chip an Bord (12) montiert ist, zum Aufnehmen einer LED-Matrix (12c) geeignet ist die auf einer ersten Oberfläche (12a) dieses LED-Chips an Bord (12) angeordnet ist, der Kegelstumpfdiffusor (4) ist an den Enden offen, und bildet die Basis (4a) und den Kegelstumpfbereich (4h), der auf einer ersten Oberfläche (4b) der Basis (4a) des Kegelstumpfdiffusors (4), Gehäuse (4c) für einige Befestigungselemente (13) und ein offenes Kegelstumpfteil enthält das als Gehäuse (4e) für diesen Kegelstumpfdiffusor (4) dient, zur Aufnahme der LED-Matrix (12c) mit mindestens einem LED-Chip an Bord (12) geeignet ist, die erste Oberfläche (12a) des LED-Chips an Bord (12) hat Kontakt mit einer zweiten Oberfläche (4d) des Kegelstumpfdiffusors (4), einer zweiten Oberfläche (12b) des LED-Chips an Bord (12) und die zweite Oberfläche (4d) dieses Kegelstumpfdiffusors (4) hat Kontakt mit einer ersten Oberfläche (5a) des Kühlkörpers (5) über Befestigungselemente (13), eine zweite Oberfläche (5b) des Kühlkörpers (5) die auf der anderen Seite befestigt ist hat Kontakt mit der Luftdurchlasskammer (6) und gegenüber befindet sich der befestigte Lüfter (7), und auf einer dritten Oberfläche (5c) des Kühlkörpers (5), sind die beweglichen Elemente (2) und für die Bewegungsübertragung geeignete Elemente (3) befestigt, untergebracht im Leitsystem (14) das bewegbar ist.
  2. Die Baugruppe gemäß Anspruch 1 ist dadurch gekennzeichnet, dass sie in Bezug auf die Oberfläche einer Linse (1) der Leuchte in Längsrichtung bewegbar ist.
  3. Die Baugruppe gemäß Anspruch 1 ist dadurch gekennzeichnet, dass sie in geeigneter Weise in eine Tragstruktur (10) der Leuchte integriert ist, das Leitsystem (14) ist auf der Tragstruktur (10) montiert, die in einem Lampengehäuse (11) der Leuchte mittels Spannelementen (8) befestigt ist.
  4. Die Baugruppe gemäß Anspruch 1 ist dadurch gekennzeichnet, dass sie in der Lage ist, die Amplitude, Intensität und Helligkeit der LED-Matrix (12c) zu variieren, die auf mindestens einem LED-Chip an Bord (12) angeordnet ist.
EP18075013.5A 2018-01-03 2018-10-11 Kegelstumpfdiffusor für led-chip an bord Active EP3508784B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT201800000316A IT201800000316A1 (it) 2018-01-03 2018-01-03 Diffusore tronconico per led chip on board

Publications (2)

Publication Number Publication Date
EP3508784A1 EP3508784A1 (de) 2019-07-10
EP3508784B1 true EP3508784B1 (de) 2020-05-27

Family

ID=62044820

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18075013.5A Active EP3508784B1 (de) 2018-01-03 2018-10-11 Kegelstumpfdiffusor für led-chip an bord

Country Status (2)

Country Link
EP (1) EP3508784B1 (de)
IT (1) IT201800000316A1 (de)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201628170U (zh) * 2010-08-05 2010-11-10 广州市雅江光电设备有限公司 一种影视舞台灯
CN103836455B (zh) * 2012-11-27 2017-05-10 海洋王（东莞）照明科技有限公司 灯具

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
IT201800000316A1 (it) 2019-07-03
EP3508784A1 (de) 2019-07-10

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