Machine vision LED illuminating apparatus for color discrimination
A technology of LED lighting and machine vision, applied in measurement devices, color/spectral characteristic measurement, instruments, etc., can solve the problems that do not involve light source color rendering index, color temperature and illumination uniformity, image color feature distortion, can not meet technical requirements, etc. problem, to achieve the effect of easy application and promotion, reduce distortion, and ensure long-term stability
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[0022] The present invention will be further explained below in conjunction with the drawings and specific embodiments.
[0023] Such as Figure 1 ~ Figure 4 Shown: a machine vision LED lighting device for color recognition, including LED lighting module 6, LED drive controller 13, darkroom 9 and other parts; the LED lighting module 6 is composed of several sets of LED chips 10, metal The heat dissipation element 11 and the diffuse reflection plate 12 are composed of diffuse reflection white light with uniform illumination on the observation surface 1a of the tested sample 1; the LED drive controller 13 adjusts the interior of the LED lighting module 6 through the connection line 18 according to the operating instructions The LED chip set 10 is a device for controlling the illuminance on the observation surface 1a; the dark room 9 refers to a device in a relatively closed space composed of a baffle 4 with an environmental color and a sample support plane 2 with a background color...
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