Voltage transducer
AssigneeRelyion Energy, Inc.
InventorsKurt Fanuka Williams, Surinder Singh, Ratnesh K. Sharma
Life of this patent
Estimating the term…
Abstract
Described herein are exemplary systems and methods with a high common mode voltage rating for monitoring a battery system by converting a differential channel output to a single channel output with low error. The exemplary systems and methods described herein comprise a measurement system and a data acquisition system, wherein the measurement system is configured to acquire a plurality of data input measurements and consecutively transmit each respective data input measurement signal to the data acquisition system, and the data acquisition system is configured to determine an average voltage corresponding to each respective data input measurement signal and generate an output.
Claims17
A battery monitoring system comprising:
- a plurality of measurement devices in electrical communication with one or more multiplexers and a computer;
- and
- one or more resistor dividers in electrical communication with the plurality of measurement devices, multiplexer, and computer,
- wherein the system is configured to:
- receive, by each of the plurality of measurement devices, a respective analog input signal of a plurality of analog input signals, wherein a resistor divider of the one or more resistor dividers is configured to reduce the voltage of a respective analog input signal prior to receipt of the analog signal by a measurement device of the plurality of measurement devices, and wherein a resistance of the resistor divider is automatically increased based on the voltage of the analog input signal measured by a measurement device of the plurality of measurement devices surpassing a threshold voltage, wherein the threshold voltage is less than the measurement device common mode voltage,
- measure, by each of the plurality of measurement devices, a respective analog voltage for each respective analog input signal of the plurality of analog input signals, and
- transmit, by each of the plurality of measurement devices, a respective analog voltage measurement signal to a multiplexer of the one or more multiplexers,
- consecutively transmit, from the multiplexer to the computer, each respective analog voltage measurement signal of a plurality of analog voltage measurement signals;
- convert, by the computer, each respective analog voltage measurement signal received from the multiplexer to a respective digital signal;
- determine, by the computer, a respective average voltage for each respective digital signal.
A non-transitory computer readable storage medium storing one or more programs for monitoring a battery system, the one or more programs configured to be executed by one or more computers and including instructions for:
- receiving, by each of a plurality of measurement devices, a respective analog input signal of a plurality of analog input signals, wherein one or more resistor dividers are in electrical communication with the plurality of measurement devices, and wherein a resistor divider of the one or more resistor dividers is configured to reduce the voltage of a respective analog input signal prior to receipt of the analog signal by a measurement device of the plurality of measurement devices, and wherein a resistance of the resistor divider is automatically increased based on the voltage of the analog input signal measured by a measurement device of the plurality of measurement devices surpassing a threshold voltage, wherein the threshold voltage is less than the measurement device common mode voltage;
- measuring, by each of the plurality of measurement devices, a respective analog voltage for each respective analog input signal of the plurality of analog input signals;
- transmitting, by each of the plurality of measurement devices, a respective analog voltage measurement signal to one or more multiplexers;
- consecutively transmitting, from the one or more multiplexers to a computer, each respective analog voltage measurement signal of the plurality of analog voltage measurement signals;
- converting, by the computer, each respective voltage measurement signal received from the multiplexer to a respective digital signal;
- and
- determining, by the computer, a respective average voltage for each respective digital signal.
A method for determining an average voltage of a digital signal corresponding to an analog signal, the method comprising:
- receiving, by each of a plurality of measurement devices, a respective analog input signal of a plurality of analog input signals, wherein one or more resistor dividers are in electrical communication with the plurality of measurement devices, and wherein a resistor divider of the one or more resistor dividers is configured to reduce the voltage of a respective analog input signal prior to receipt of the analog signal by a measurement device of the plurality of measurement devices, and wherein a resistance of the resistor divider is automatically increased based on the voltage of the analog input signal measured by a measurement device of the plurality of measurement devices surpassing a threshold voltage, wherein the threshold voltage is less than the measurement device common mode voltage;
- measuring, by each of the plurality of measurement devices, a respective analog voltage for each respective analog input signal of the plurality of analog input signals;
- transmitting, by each of the plurality of measurement devices, a respective analog voltage measurement signal to one or more multiplexers;
- consecutively transmitting, from the one or more multiplexers to a computer, each respective analog voltage measurement signal of a plurality of analog voltage measurement signals;
- converting, by the computer, each respective analog voltage measurement signal received from the multiplexer to a respective digital signal;
- and
- determining, by the computer, a respective average voltage for each respective digital signal.
Dependencies are inferred from the claim text.