Rubber sleeve liquid level sensor system

The invention discloses a rubber sleeve liquid level sensor system which comprises a spiral electrode, an analog switch chip, a power conversion chip, a microprocessor MCU, a CDC capacitance conversion chip, a panel button, a panel indicator lamp, a sensor shell, a DAC analog output, a 485 communica...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WANG SHUNKUN, ZHANG SHUNSHUANG, LI GAIQUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	MEASURING MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME PHYSICS TESTING
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Beschreibung
Zusammenfassung:	The invention discloses a rubber sleeve liquid level sensor system which comprises a spiral electrode, an analog switch chip, a power conversion chip, a microprocessor MCU, a CDC capacitance conversion chip, a panel button, a panel indicator lamp, a sensor shell, a DAC analog output, a 485 communication chip, an embedded measurement software system, a GPIO interface, a PWM interface, an I2C interface, a UART interface and a DAC interface. The embedded measurement software system runs on the microprocessor MCU, and the microprocessor MCU is connected with the CDC capacitance conversion chip through an I2C interface; the microprocessor MCU is connected with the 485 communication chip through a UART serial port communication line. The microprocessor MCU is connected with the DAC analog output through a DAC interface; the microprocessor MCU is connected with the panel indicating lamp through a PWM interface. The MCU is connected with the panel button through a GPIO (General Purpose Input/Output) interface; and th