Device for controlling fruit sweet acidity separation production line based on visible and near infrared spectrum
A technology of near-infrared spectroscopy and control devices, which is applied in the field of control devices for the fruit's internal acid-sugar spectrum sorting production line, can solve problems such as control disorder, logic device interference, and control system complexity, and achieve the goal of improving automation and competitiveness Effect
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[0029] The overall structure of the embodiment of the present invention is as figure 1 As shown, the spectrum acquisition module (2) is composed of an illumination unit and a spectrometer (24); the sorting control module (29) is composed of a computer (9) and a programmable logic controller PLC (10). The spectrum acquisition module (2) comprises 4 tungsten-halogen lamps (20) combined light source, lens (21), probe (22), constant current source (25), optical fiber (23), fiber optic spectrometer (24); tungsten-halogen lamp ( 20), lens (21), and probe (22) are installed on the light box; Probe (22) is connected with fiber optic spectrometer (24) by optical fiber (23); 4 tungsten halogen lamps (20) form about 90 ° along the circumferential direction Evenly distributed, the axis of each tungsten-halogen light source forms an angle of about 7° with the axis of the probe. Sorting control module (29) comprises computer (9) and software, program controller PLC (10), control panel (60)...
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