MICROCONTROLLER METERING CONVERTER OF GAS AND LIQUID FLOW SPEED Russian patent published in 2013 - IPC G01R27/26 

FIELD: electricity.

SUBSTANCE: microcontroller metering converter of gas or liquid flow speed comprises a microcontroller 1, the first resistor 2, the second resistor 3, a thermistor 4, a capacitance sensor 5, a controlled source of reference voltage 6, the first outputs of two resistors 2 and 3 are connected accordingly to the first and second outputs of the microcontroller, the second outputs of resistors 2 and 3 are connected to the first cover of the capacitance sensor 5 and to the first input of the analog comparator of the microcontroller 1, the second cover of the capacitance sensor 5 is connected to a minus terminal of a source of power supply of the microcontroller 1, the first output of the thermistor 4 is connected to the second outputs of resistors 2 and 3, the second output of the thermistor is connected to the third output of the microcontroller 1, to the output of the first width-pulse modulator of the microcontroller 1 an input of the controlled source of reference voltage 6 is connected, the output of which is connected to the second input of the analog comparator of the microcontroller 1, the output of the second width-pulse modulator of the microcontroller 1 is connected to the first input of the analog comparator of the microcontroller 1.

EFFECT: expansion of functional capabilities of a microcontroller metering converter.

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