HIGH-SPEED CONVERTER OF CHANGING SENSOR RESISTANCE INTO ELECTRICAL SIGNAL Russian patent published in 2017 - IPC G01R19/25 G01R27/00 

FIELD: measuring equipment.

SUBSTANCE: high-speed converter of changing the sensor resistance into the electrical signal is designed to measure signals with different primary converters, that are used to determine the deformations and tensions in the strength tests. The device comprises resistive sensors (1-4), a current sources of the sensor power supply (5), a key for switching sensor power supply (14) connected to the additional reference voltage source (13), a digital-to-analog converter (6) connected to the control device ( 10), a key for switching the measurement range (19) of the converter (6), a digital-to-analog converter (7) connected to the on-off key for switching the measurement mode (16) connected to the main source of reference voltage (12) and instrumental amplifiers (8, 9). The input of the instrumental amplifier (8) is connected to the outputs of the programmable voltage dividers (17), (18), the potential sensor lines, the common terminal (20), the digital-to-analog converter for power supply (21), the output of which is connected to the current source input (5), the digital data bus (22) connected to the control bus (23).

EFFECT: simplifying maintenance, providing a wide range of different sensors, increasing measurement ranges by programming the current sources, rated voltage and voltage dividers.

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