A multi-spectral time-sharing light source device for camera aperture positioning

Abstract

The utility model discloses a kind of multispectral time-sharing light source devices for camera aperture positioning, it includes: parallel coaxial light source, it includes first shell, first LED lamp component, lens component, half reflection half transparent beam splitter, first LED lamp component includes the first infrared IR lamp bead of wavelength a value;Annular light source, it includes second shell, first annular LED lamp component is arranged inside second shell, second annular LED lamp component, first annular LED lamp component includes several first infrared IR lamp beads of wavelength a value, second annular LED lamp component includes several second infrared IR lamp beads of wavelength b value, b value>a value;Time-sharing control module, it is electric and signal connection with first LED lamp component, first annular LED lamp component and second annular LED lamp component respectively;It can not only obtain the high contrast blade edge profile feature of camera aperture by time-sharing control module, but also penetrate surface blade, the feature of the blade in the next layer is imaged in overlapping area.

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