Projection device

A projection device comprises a shell, a light source assembly, a projection lens, a first radiator and a first fan. The light source assembly comprises a light-emitting element. The shell comprises a front surface and a rear surface which are opposite to each other, the front surface comprises a fi...

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Bibliographische Detailangaben
Hauptverfasser:	WANG GUANGQUAN, WANG JINGANG, CUI FENGYAN, LIU XIAOLONG, LI XI, ZHANG WEI, WANG YUJIE, HAN TIANYANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	A projection device comprises a shell, a light source assembly, a projection lens, a first radiator and a first fan. The light source assembly comprises a light-emitting element. The shell comprises a front surface and a rear surface which are opposite to each other, the front surface comprises a first opening and a second opening, the shell further comprises a third opening, and at least part of the third opening is located on the rear surface; the light-emitting element is located at the first opening; the projection lens is located at the second opening; and the first radiator is positioned at the third opening of the shell. The light-emitting element, the projection lens, the first radiator and the shell jointly form an accommodating space; the first fan is located on the side, away from the containing space, of the light-emitting assembly. The light source assembly further comprises a light-emitting element base, and the light-emitting element is located on the light-emitting element base. The first fan