Infrasonic wave detection apparatus
A detection device, infrasound technology, applied in measuring devices, measuring ultrasonic/sonic/infrasonic waves, using electrical devices, etc., can solve the problems of cumbersome wiring, inconvenient to carry, poor anti-interference ability, etc., to achieve strong anti-interference ability, Wide range of usability, responsive effects
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[0014] The present invention will be further described below in conjunction with the embodiment in the accompanying drawings:
[0015] figure 1 , 2 As shown, the output terminal of the infrasound sensor is connected to the input terminal of the low-pass filter, the output terminal of the low-pass filter is connected to the input terminal of the analog-to-digital converter, the output terminal of the analog-to-digital converter is connected to the input terminal of the single-chip microcomputer, and the output terminal of the single-chip microcomputer The terminal is connected with a LCD screen, and all parts of the device are powered by intrinsically safe batteries. The model of the infrasound sensor is CDC-2B; the model of the analog-to-digital converter is ADC0809; the model of the single-chip microcomputer is AT89S51; the model of the LCD screen is NH12864C. Among them, the output terminal of the infrasound sensor sends a low-frequency voltage signal to the input terminal...
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