To provide a marine LED lighting device that can sufficiently dissipate heat generated from an LED board and a power supply board without using metal components that come into contact with outside air.SOLUTION: Light emitted from an LED component 27 arranged in an interior space S enclosed by a body 2 and a glove 3 is transmitted through the glove 3 and diffused to an outside. The marine LED lighting device comprises: a power supply board 4 which is arranged on a mounting base 7 of the body 2 across a first space S1 and has a semiconductor component 22 mounted thereon; and an LED board 5 which is arranged on the power supply board 4 across a second space S2 and has the LED component 27 mounted thereon. A heat-dissipating connection member 6 arranged in the first space S1 and having one end attached to the mounting base 7 of the body 2 and the other end in contact with the semiconductor component 22 mounted on the power supply board 4 is provided. A heat-dissipating board 12 facing the first space S1 is provided in the mounting base 7 of the body 2. A heat-dissipating plate 29 facing the second space S2 is provided in the LED board 5.SELECTED DRAWING: Figure 2

    【課題】外気に接触する部品に金属製のものを用いずに、LED基板及び電源基板から発生する熱を十分に放熱することができる船舶用LED照明装置を提供する。【解決手段】本体2とグローブ3とで囲まれた内部空間Sに配置されたLED部品27から発光する光をグローブ3を透過させて外部に拡散する。本体2の取付ベース7に第1空間S1を隔てて配置され、半導体部品22が実装された電源基板4と、電源基板4に第2空間S2を隔てて配置され、LED部品27が実装されたLED基板5とを備える。第1空間S1に配置され、一端が本体2の取付ベース7に取り付けられ、他端が電源基板4に実装された半導体部品22に接触している放熱連結部材6が設けられている。本体2の取付ベース7に、第1空間S1に面する放熱基板12が設けられている。LED基板5に、第2空間S2に面する放熱板29が設けられている。【選択図】図2


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    Titel :

    MARINE LED LIGHTING DEVICE


    Weitere Titelangaben:

    船舶用LED照明装置


    Beteiligte:

    Erscheinungsdatum :

    2023-11-24


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES / F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen / H05K PRINTED CIRCUITS , Gedruckte Schaltungen



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