Intelligent testing system for moisture of cotton fiber
An intelligent detection and cotton fiber technology, which is applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of moisture measurement range, accuracy, real-time measurement limitations, and failure to meet intelligent testing requirements, etc., to improve Resolution and accuracy, improved real-time processing performance, and the effect of high measurement accuracy
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[0020] The principle block diagram of the cotton fiber moisture detection system of the present invention is shown in Fig. 1 . The signal generator acts on the capacitance sensor, and connects the capacitance, temperature, and Hall linear sensors to the data conditioning circuit module, and then transmits them to the host computer through the data acquisition card.
[0021] 1. Signal generator module:
[0022] When the frequency is 10KHz~20KHz, the instrument responds most sensitively to the change of moisture contained in the fiber, and when the frequency is 10KHz, the reproducibility and stability of the test results of the instrument are the best, so the signal generator with a frequency of 10kHz is selected, in order to ensure The stability of the signal generator ensures the accuracy of the test results. According to the principle of using integrated circuits as much as possible, the high-frequency waveform generator MAX038 produced by MAXIM Company is selected.
[0023]...
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