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Patent US10198017


Issued 2019-02-05

Method And System For Managing Power Consumption Of A Meter During Communication Activities

Described herein are embodiments of methods and systems for detecting communications of a first meter board and using that detection as an indication to manage power consumption of the meter by a second meter board. In accordance with one aspect, a method is provided for detecting communications of a first meter board by a second meter board. In one embodiment, the method includes: receiving a signal, wherein the signal indicates a presence of communication activities between a first processor and another device over a network; and managing power consumption of the meter while the first processor is communicating with the other device over the network.



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3 Independent Claims

  • 1. A utility meter for measuring an energy consumption of a utility service provided by a utility distribution system to an electrical load, the utility meter being an assembly of electronics components and the meter being coupleable to the electrical load and the utility distribution system for receiving the provided utility service and for providing utility load service to the electrical load, the utility meter comprising: a utility service input terminal receiving the utility service from the coupled utility distribution system; an electrical load output terminal providing utility load service to the coupled electrical load responsive to the received utility service; a first board configured to perform communication functions of the utility meter and having an interface for communicating with an electrical load device and a separate interface for communicating over a communication network to a network device that is not an electrical load device, the first board including a first processor and the communication interface connected to the first processor and communicatively configured and coupleable over the communication network to the network device that is not the electrical load device; a second board configured to perform metrology functions of the utility meter as a function of the received utility service by the utility service input terminal and the provided utility load service at the electrical load output terminal, the second board including a second processor and an electronic device providing utility meter operations, and the second board providing all electrical power to the electronic device thereon; an interface port communicatively connecting the first board and the second board within the electronic assembly of the utility meter; a local power supply of the assembly of the utility meter receiving power from an external power source and only providing local utility meter electronics with power including local power to the first board of the utility meter and to the second board of the utility meter, the local power supply of the utility meter assembly being an isolated power supply that is separate and isolated from the utility service provided by the utility distribution system including the utility service that is received at the utility service input terminal of the utility meter and that is provided to the utility load service by the electrical load output terminal of the utility meter through the utility meter to the electrical load for which the energy consumption is measured by the second board of the utility meter and being isolated from the electrical load to which the utility meter is providing utility service, wherein the first processor of the first board is configured to determine when the communication interface of the first board is currently communicating with the network device over the communication network and to determine a type of the current communication of the communication interface to the network device, the determined type of current communication of the communication interface being selected from the group consisting of power line communication, ZigBee® communication, radio communication, optical communication, Bluetooth® communication, TCP/IP, wireless TCP/IP, and ModBus®; wherein, responsive to receiving the indicator signal from the first board via the interface port, determining, from the received indicator signal, the current communication type as determined by the first processor, and responsive to the determined current communication type, reducing a power consumption of the electronic device of the second board as provided by the utility meter's power to the second board.

  • 6. A method of operating a utility meter measuring an energy consumption of a utility service provided by a utility distribution system to an electrical load, the utility meter being an assembly of electronics components and the meter being coupleable to the electrical load and the utility distribution system for receiving the provided utility service and for providing utility load service to the electrical load, the method of operating the utility meter comprising: receiving at a utility service input terminal the utility service from the coupled utility distribution system; providing at an electrical load output terminal utility load service to the coupled electrical load responsive to the received utility service; providing local power from a local power supply of the assembly of the utility meter receiving power from an external power source and only to the utility meter including providing local power to a first board and second board of the utility meter for operation thereof, the local power supply of the utility meter assembly being an isolated power supply that is separate and isolated from the utility service provided by the utility distribution system including the utility service that is received at the utility service input terminal of the utility meter and that is provided to the utility load service by the electrical load output terminal of the utility meter through the utility meter to the electrical load for which the energy consumption is measured by the second board of the utility meter and being isolated from the electrical load to which the utility meter is providing utility service, providing an interface port for communicatively coupling the first board to the second board within the electronic assembly of the utility meter; in which the first board is configured to perform communication functions of the utility meter having an interface for communicating with an electrical load device and a separate interface for communicating over a communication network to a network device that is not an electrical load device, including a first processor and the communication interface configured for communications over the communication network to the electrical device that is not the electrical load device and being connected to the first processor communicatively coupleable over the communication network to the network device that is not the electrical load device: communicating, by the first processor of the utility meter, with the network device over the communication network using the communication interface; determining when the communication interface is currently communicating with the network device over the communication network, and determining a type of the communication of the current communication interface to the network device, the determined type of current communication of the communication interface being selected from the group consisting of power line communication, ZigBee® communication, radio communication, optical communication, Bluetooth® communication, TCP/IP, wireless TCP/IP, and ModBus®, wherein the providing of the indicator signal includes providing an identification within the provided indicator signal of the determined type of current communication of the communication interface to the network device; providing, by the first processor, an indicator signal to the second board via an interface port, responsive to the determining, the indicator signal indicating an occurrence of a current communication between the first board and the network device over the communication network, in the second board having a second processor and an electronic device that is configured to perform metrology functions of the utility meter as a function of the received utility service by the utility service input terminal and the provided utility load service at the electrical load output terminal: performing the metrology functions of the utility meter; receiving the provided indicator signal from the first board; determining a current communication type as determined by the first processor based on the received indicator signal, and wherein the reducing of power consumption of the electronic device of the second board is responsive to the determined current communication type; and reducing, by the second processor, responsive to the received indicator signal and the determined current communication type, a power consumption of the electronic device of the second board as provided by the utility meter's power to the second board.

  • 13. A utility meter for measuring an energy consumption of a utility service provided by a utility distribution system to an electrical load, the utility meter being an assembly of electronics components and the meter being coupleable to the electrical load and the utility distribution system for receiving the provided utility service and for providing utility load service to the electrical load, the utility meter comprising: a utility service input terminal receiving the utility service from the coupled utility distribution system; an electrical load output terminal providing utility load service to the coupled electrical load responsive to the received utility service; a first board configured to perform communication functions of the utility meter and having an interface for communicating with an electrical load device and a separate interface for communicating over a communication network to a network device that is not an electrical load device, the first board including a first processor and the communication interface connected to the first processor and communicatively configured and coupleable over the communication network to the network device that is not the electrical load device; a second board configured to perform metrology functions of the utility meter as a function of the received utility service by the utility service input terminal and the provided utility load service at the electrical load output terminal, the second board including a second processor and an electronic device providing utility meter operations, and the second board providing all electrical power to the electronic device thereon; an interface port communicatively connecting the first board and the second board within the electronic assembly of the utility meter; a local power supply of the assembly of the utility meter receiving power from an external power source and only providing local utility meter electronics with power including local power to the first board of the utility meter and to the second board of the utility meter, the local power supply of the utility meter assembly being an isolated power supply that is separate and isolated from the utility service provided by the utility distribution system including the utility service that is received at the utility service input terminal of the utility meter and that is provided to the utility load service by the electrical load output terminal of the utility meter through the utility meter to the electrical load for which the energy consumption is measured by the second board of the utility meter and being isolated from the electrical load to which the utility meter is providing utility service, wherein the first processor of the first board is configured to determine when the communication interface of the first board is currently communicating with the network device over the communication network, to determine a type of the current communication of the communication interface to the network device, to generate an indicator signal that includes an indication of an occurrence of a current communication between the first board and the network device over the communication network, an identification and the determined type of the current communication of the communication interface to the network device, and to provide the generated indicator signal to the second board via the interface port responsive to the determining, wherein the determined type of current communication of the communication interface with the network device over the communication network being selected from the group consisting of power line communication, ZigBee® communication, radio communication, optical communication, Bluetooth communication, TCP/IP, wireless TCP/IP, and ModBus®; and wherein the second processor is configured to receive the provided indicator signal from the first board via the interface port, to determine, from the received indicator signal, the current communication type as determined by the first processor, and to reduce power consumption of at least one of the one or more electronic devices of the second board responsive to the determined current communication type, wherein the second processor is configured to reduce of power consumption of the electronic device at different power consumption levels dependent on the determined type of current.