Programmed control lamp source and adjustment control method thereof
A light source and program-controlled technology, which is applied in the field of program-controlled light source and its adjustment control, can solve the problems of not being able to choose the angle of light irradiation, unclear observation of plastics, hardware and other objects, and measurement accuracy errors, etc., to achieve good image acquisition effect, reduction of influence, effect of improvement in measurement accuracy
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[0026] The present invention adopts a brand-new LED control method——PWM, pulse width modulation dimming method, which is a time ratio of controlling LED on and off, and divides the time ratio of on and off into several levels, and the LED The dimming technology that will display the corresponding number of gray scales is the best gray scale adjustment method for LEDs.
[0027] Such as Figure 7 to Figure 10 As shown, the program-controlled light source includes a luminous body 1, a lamp holder and an annular circuit board, the illuminant is an LED lamp, and the lamp holder includes an LED lamp base 2 with a colloidal bowl-shaped structure, an LED lampshade 6 and an LED lamp fixing seat 7. The exterior of the LED lamp fixing seat 7 is provided with a small convection hole 9 communicating with the inside, the LED lamp is fixed to the circuit board and connected electrically, and the USB interface for communication with the PC is electrically connected to the circuit board. conn...
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