WO2012175263A1 - Dispositif dissipateur thermique et procédé de fabrication associé - Google Patents

Dispositif dissipateur thermique et procédé de fabrication associé Download PDF

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Publication number
WO2012175263A1
WO2012175263A1 PCT/EP2012/059427 EP2012059427W WO2012175263A1 WO 2012175263 A1 WO2012175263 A1 WO 2012175263A1 EP 2012059427 W EP2012059427 W EP 2012059427W WO 2012175263 A1 WO2012175263 A1 WO 2012175263A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat
sink
fins
sink fins
sink device
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/EP2012/059427
Other languages
English (en)
Inventor
Xiaoyu Chen
Hui GUI
Jin Hu
Junhua Zeng
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.)
Osram GmbH
Original Assignee
Osram 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 Osram GmbH filed Critical Osram GmbH
Publication of WO2012175263A1 publication Critical patent/WO2012175263A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • 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
    • F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
    • 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
    • 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
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • F21V29/773—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • 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
    • F21V29/78—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with helically or spirally arranged fins or blades
    • 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 first object of the present invention is realized by a heat-sink device, viz. the heat-sink device comprises a first heat-sink structure in thermal contact with an object from which heat to be dissipated and a second heat-sink structure, wherein the first heat-sink structure is composed of a plu ⁇ rality of first heat-sink fins and the second heat-sink structure is composed of a plurality of second heat-sink fins, wherein the first heat-sink fins are inserted into cavities formed in the second heat-sink fins.
  • the heat-sink device according to the present invention is generally ap ⁇ plied in illumination systems, especially in a LED illumina ⁇ tion system.
  • the second heat-sink fins and the base are made of thermally con ⁇ ductive plastic in one piece having a thermal conductivity between 1 to 4 W/m-k.
  • the thermally conductive plastic could be PP, PPS, PA or ABS etc., which reduces significantly the weight of the whole heat-sink device and simplifies a manu ⁇ facturing process.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

L'invention concerne un dispositif dissipateur thermique comprenant une première structure de dissipateur thermique (A) en contact thermique avec un objet dont la chaleur doit être dissipée et une deuxième structure de dissipateur thermique (B), la première structure (A) étant constituée d'une pluralité de premières ailettes de dissipation thermique (1) et la deuxième structure (B) étant constituée d'une pluralité de deuxièmes ailettes de dissipation thermique (2), les premières ailettes (1) étant insérées dans cavités (3) formées dans les deuxièmes ailettes (2). L'invention concerne également un procédé de fabrication de ce dispositif dissipateur thermique.
PCT/EP2012/059427 2011-06-21 2012-05-22 Dispositif dissipateur thermique et procédé de fabrication associé Ceased WO2012175263A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110168535.6 2011-06-21
CN2011101685356A CN102840567A (zh) 2011-06-21 2011-06-21 散热装置及其制造方法

Publications (1)

Publication Number Publication Date
WO2012175263A1 true WO2012175263A1 (fr) 2012-12-27

Family

ID=46208459

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/059427 Ceased WO2012175263A1 (fr) 2011-06-21 2012-05-22 Dispositif dissipateur thermique et procédé de fabrication associé

Country Status (2)

Country Link
CN (1) CN102840567A (fr)
WO (1) WO2012175263A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2918896A4 (fr) * 2013-11-21 2015-12-09 Wang Lina Module à del
JP2017162788A (ja) * 2016-03-04 2017-09-14 三菱電機株式会社 点灯装置及び照明器具
US20170307204A1 (en) * 2016-04-25 2017-10-26 Shat-R-Shield, Inc. Led luminaire
US10386058B1 (en) 2016-03-17 2019-08-20 Shat-R-Shield, Inc. LED luminaire
US10604275B2 (en) * 2017-05-19 2020-03-31 Goodrich Lighting Systems Gmbh Exterior aircraft light unit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103307573B (zh) * 2012-03-13 2018-07-24 欧司朗股份有限公司 散热装置和具有该散热装置的照明装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2081220A2 (fr) * 2008-01-16 2009-07-22 Neng Tyi Precision Industries Co., Ltd. Procédé de fabrication de dissipateur de chaleur avec ailettes à dissipation de chaleur et structure associée
US20100044009A1 (en) * 2008-08-20 2010-02-25 Shyh-Ming Chen Annular heat dissipating device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2081220A2 (fr) * 2008-01-16 2009-07-22 Neng Tyi Precision Industries Co., Ltd. Procédé de fabrication de dissipateur de chaleur avec ailettes à dissipation de chaleur et structure associée
US20100044009A1 (en) * 2008-08-20 2010-02-25 Shyh-Ming Chen Annular heat dissipating device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2918896A4 (fr) * 2013-11-21 2015-12-09 Wang Lina Module à del
JP2017162788A (ja) * 2016-03-04 2017-09-14 三菱電機株式会社 点灯装置及び照明器具
US10386058B1 (en) 2016-03-17 2019-08-20 Shat-R-Shield, Inc. LED luminaire
US20170307204A1 (en) * 2016-04-25 2017-10-26 Shat-R-Shield, Inc. Led luminaire
US10767849B2 (en) * 2016-04-25 2020-09-08 Shat-R-Shield, Inc. LED luminaire
US11092296B2 (en) 2016-04-25 2021-08-17 Shat-R-Shield, Inc. LED luminaire
US10604275B2 (en) * 2017-05-19 2020-03-31 Goodrich Lighting Systems Gmbh Exterior aircraft light unit

Also Published As

Publication number Publication date
CN102840567A (zh) 2012-12-26

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