US 12,366,345 B1
Light fixture with motor-driven shaping of output light
Xiaoyun Liu, Zhejiang (CN)
Assigned to Self Electronics Co., Ltd., Ningbo (CN); and Self Electronics USA Corporation, Norcross, GA (US)
Filed by Self Electronics Co., Ltd., Zhejiang (CN); and Self Electronics USA Corporation, Norcross, GA (US)
Filed on Oct. 15, 2024, as Appl. No. 18/915,850.
Claims priority of application No. 202410850659.X (CN), filed on Jun. 27, 2024.
Int. Cl. F21V 14/08 (2006.01); F21V 15/01 (2006.01); F21V 17/12 (2006.01); F21V 23/04 (2006.01); F21Y 115/10 (2016.01)
CPC F21V 14/08 (2013.01) [F21V 15/01 (2013.01); F21V 17/12 (2013.01); F21V 23/0435 (2013.01); F21Y 2115/10 (2016.08)] 10 Claims
OG exemplary drawing
 
1. A light fixture with motor-driven shaping of output light, comprising a lamp housing (1) provided with a light outlet (11) and a light source assembly (2) arranged in the lamp housing (1), wherein a light-shaping module (100) is arranged in the light source assembly (2) along the output direction of the light for shaping the pattern or shape of light projected by the light fixture,
wherein the light-shaping module (100) comprises a plurality of shading blades (3), a blade holder (4), driving motors (5) and a driving board (6), wherein
the blade holder (4) is disposed between the plurality of shading blades (3) and the driving motors (5),
a first aperture (42) is formed in the middle of the blade holder (4), and
the plurality of shading blades (3) is movably supported on the blade holder (4) and disposed to form together a shading opening, and
the driving board (6) is electrically connected to the driving motors (5),
wherein, for each driving motor (5) and the corresponding shading blade (3),
the output end of the driving motor (5) comprises a driving rod (51) and a linkage block (52) connected to the driving rod (51),
the driving motor (5) is connected to the corresponding shading blade (3) by means of the linkage block (52),
the end face of the linkage block (52) is provided with a transmission column (53) extending toward the corresponding shading blade (3),
the shading blade (3) is provided with a groove (31) for the transmission column (53) to pass through, and
a first guide groove (41) is provided on the blade holder (4) for the transmission column (53) to move
characterized in that
the end edges of the shading blades (3) are sequentially overlapped, and each shading blade (3) comprises an upper lap edge (32) and a lower lap edge (33), and the lower lap edge (33) and the upper lap edge (32) of any one of the shading blades (3) being overlapped respectively with the upper lap edge (32) and the lower lap edge (33) of two adjacent shading blades (3).