Power management arrangement and method in a utility meter
First Claim
1. A system for use in a utility meter, comprising:
- a utility meter housing including metrology circuitry configured to generate metering data regarding electrical power provided to the load, the utility meter including a connection to the utility power service;
a power supply;
a non-volatile memory;
an energy storage device operably coupled to the power supply;
a control circuit operably coupled to receive power generated by the power supply and receive power from the energy storage device, the control circuit configured to,perform a start-up operation responsive to receiving a first bias power signal;
erase first metering information stored in the non-volatile memory during the start-up operation;
process, subsequent to erasing the first memory location and after completion of the start-up operation, metering data received from the metrology circuit to generate second metering information;
receive a first interruption signal indicative of an interruption of power in the power supply;
store, responsive to receiving the first interruption signal, second metering information in the non-volatile memory using power from the energy storage device.
3 Assignments
0 Petitions
Accused Products
Abstract
A system includes a utility meter housing, a power supply, a non-volatile memory, an energy storage device, and a control circuit. The utility meter housing includes metrology circuitry configured to generate metering data regarding electrical power provided to the load. The energy storage device is operably coupled to the power supply. The control circuit is operably coupled to receive power generated by the power supply and receive power from the energy storage device. The control circuit is configured to: receive a first bias power signal; erase first metering information stored in the non-volatile memory; process, subsequent to erasing the first memory location, metering data received from the metrology circuit; receive a first interruption signal indicative of an interruption of power in the power supply; and store, responsive to receiving the first interruption signal, second metering information in the non-volatile memory using power from the energy storage device.
-
Citations
20 Claims
-
1. A system for use in a utility meter, comprising:
-
a utility meter housing including metrology circuitry configured to generate metering data regarding electrical power provided to the load, the utility meter including a connection to the utility power service; a power supply; a non-volatile memory; an energy storage device operably coupled to the power supply; a control circuit operably coupled to receive power generated by the power supply and receive power from the energy storage device, the control circuit configured to, perform a start-up operation responsive to receiving a first bias power signal; erase first metering information stored in the non-volatile memory during the start-up operation; process, subsequent to erasing the first memory location and after completion of the start-up operation, metering data received from the metrology circuit to generate second metering information; receive a first interruption signal indicative of an interruption of power in the power supply; store, responsive to receiving the first interruption signal, second metering information in the non-volatile memory using power from the energy storage device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
-
-
16. A method for use in a utility meter, comprising:
-
a) responsive to receiving bias power to a processing circuit, using the processing circuit to perform a start-up operation including erasing first metering information from a non-volatile memory; b) processing, subsequent to step a) and after completion of the start-up operation, metering data received from a metrology circuit within the meter to generate second metering information; c) receiving a first interruption signal indicative of an interruption of power in the power supply; d) storing, responsive to receiving the first interruption signal, second metering information in the non-volatile memory using power from the energy storage device. - View Dependent Claims (17, 18, 19, 20)
-
Specification