Apparatus and methods to mirror a battery operated instrument

• US 9,689,709 B2
• Filed: 02/10/2012
• Issued: 06/27/2017
• Est. Priority Date: 02/10/2012
• Status: Active Grant

• Current Assignee: Aclara Meters LLC (Hubbell, Inc.)
• Original Assignee: Aclara Meters LLC (Hubbell, Inc.)
• Inventors: Boot, John Christopher, Ree, Bradley Richard
• Primary Examiner(s): Breene, John
• Assistant Examiner(s): Ngo, Peter
• Application Number:
  US13/370,880
• Publication Number:
  US 20130211753A1
• Time in Patent Office: 1,964 Days
• Field of Search: 702 62
• CPC Class Codes: G01D 4/002 Remote reading of utility meters
• CPC Class Codes: H02J 13/00002 characterised by monitoring
• CPC Class Codes: Y02B 90/20 Smart grids as enabling technology in buildings sector smart grids supporting the management or operation of end-user stationary applications in general, or like technologies with no associated climate change mitigation effect Y04S20/00
• CPC Class Codes: Y02E 60/00 Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
• CPC Class Codes: Y04S 10/30 State monitoring, e.g. fault, temperature monitoring, insulator monitoring, corona discharge
• CPC Class Codes: Y04S 20/30 Smart metering, e.g. specially adapted for remote reading

Abstract

Techniques for mirroring to allow for data transmissions from a device through mirror capable device. In an embodiment, a plurality of mirror capable devices may report their capability, which may include signaling conditions related thereto. A mirror capable device may be selected from the plurality of mirror capable devices based on signaling conditions associated with the utility device'"'"'s power consumption.

Claims

1. A method of operating a home area network (HAN) having a plurality of HAN utility network devices and having an associated energy services interface (ESI), the method comprising:

transmitting within the HAN a request for a mirror-capable device to act as a mirror to perform functions within the HAN on behalf of a particular network utility device that is battery powered;

in response to receiving the transmitted request, determining a plurality of values representing a power consumption required by the particular utility device of the plurality of utility network devices to transmit utility device data to a respective selected one of a plurality of mirror-capable network devices within the HAN associated with the ESI wherein the particular utility device is operational, wherein the plurality of network devices includes the plurality of mirror-capable network devices, and the values for each mirror-capable network device including at least the following minimal set of mirror-capable device characteristics;

an availability of each mirror-capable network device to act as a mirror for the particular network device,

a report from each mirror-capable network device of its mirror-device capability that can be provided to the particular network device,

a power source of each mirror-capable network device,

a transmission power needed to communicate between the particular network device and each mirror-capable network device, and

a quality of a transmission line between the particular network device and each mirror-capable network device;

selecting one of the plurality of mirror-capable network devices to be a mirroring device to act as a mirror to perform functions within the HAN on behalf of the particular utility device based on at least one of the plurality of values for two or more of the minimal set of mirror-capable device characteristics in response to the received request, wherein at least one of the two or more mirror-capable device characteristics includes the power source for the mirror capable device and wherein selecting is responsive to the power source being substantially greater than the battery power source of the particular network device;

registering with the ESI the selected mirror-capable network device as the mirror for the particular network device, wherein the ESI is configured to treat the registered mirror of the selected mirror-capable network device as the particular network device; and

forming a mirror to perform the functions within the HAN on behalf of the particular utility device at the selected and registered mirror-capable network device such that the selected mirror-capable network device is thereafter configured to;

receive the transmitted utility device data from the particular utility device;

store received utility device data; and

operate as an interface that performs the HAN device functions on behalf of the particular utility device including responding to a request from the ESI to read the stored received utility device data of the particular utility device and in response thereto transmitting the requested stored utility device data of the particular utility device to the ESI and in lieu of the particular utility device transmitted the utility data to the ESI and in lieu of the ESI requesting and in return receiving the utility device data directly from the particular utility device.

2. The method of claim 1, further comprising the process of transitioning the particular utility device from a reduced power mode to an increased power mode, and wherein the particular utility device is configured to transmit the request for a mirror and to transmit the utility device data to the selected one of the plurality of mirror-capable network devices when in the increased power mode.

3. The method of claim 2, wherein, when in the increased power mode, the particular utility device includes an interface that is configured to respond to requests from the ESI to read utility device data directly from the particular utility device in lieu of transmitting the utility device data from the particular utility device to the selected mirror-capable device.

4. The method of claim 1, wherein the selection of the mirror-capable device is a function of the mirror-capable device being line powered.

5. The method of claim 1, wherein the utility device data includes an amount of utility consumption monitored by a meter.

6. The method of claim 1, wherein the values upon which determining which mirror-capable network device further includes the power consumption required by the particular utility device to transmit utility device data to a respective one of the plurality of mirror-capable network devices based upon a radio frequency signal connection strength between the particular utility device and the respective one of the plurality of mirror-capable network devices.

7. The method of claim 1, wherein the selecting of the mirror-capable network device includes the values for the connection signal condition of signal loss between the particular utility device and the selected mirror-capable network devices being based on the selected mirror-capable device having the lowest signal loss.

8. The method of claim 1, wherein the selected one of the plurality of mirror-capable network devices is configured to transfer the particular utility device data to the ESI, wherein the ESI is an interface between the home area network and a utility company network.

9. The method of claim 1, wherein the selected one of the plurality of mirror-capable network devices is in a function performed by the ESI, wherein the ESI is also an interface between the HAN and a utility company network.

10. The method of claim 9, wherein the selected one of the plurality of mirror-capable network devices registers with the ESI as a selected mirror device for the particular utility device such that the ESI communicates with the registered mirror device as if the ESI was communicating directly with the particular utility device.

11. The method of claim 1, wherein the selected one of the plurality of mirror-capable network devices is thereafter configured to be the selected one of the plurality of mirror-capable network devices to which the particular utility device periodically transmits utility device data and to which the selected mirror-capable device receives the utility device data from the particular utility device.

12. The method of claim 1, wherein each of the plurality of mirror-capable network devices is configured for reporting to the ESI one of the plurality of values representing a power consumption required by the particular utility device to transmit utility device data to each respective one of the plurality of mirror-capable network devices.

13. The method of claim 1, wherein selecting the one of the plurality of network mirror-capable devices as the mirroring device for the particular utility device based on the plurality of values includes comparing the plurality of values to a threshold value.

14. The method of claim 1, wherein the step of selecting includes selecting one of the plurality of mirror-capable network devices that has a power source that provides power for a greater duration than the power source of another one of the plurality of mirror-capable network devices.

15. The method of claim 1, wherein the transmitting of the request for a mirror capable device to act as a mirror is originated, by the particular utility device.

16. The method of claim 1, wherein the transmitting of the request for a mirror capable device to act as a mirror for the particular utility device is originated by the ESI.

17. A utility device operating in a home area network (HAN) having a plurality of network devices and having an associated energy services interface (ESI), comprising:

a utility meter configured to measure utility data, the utility meter being powered by a battery and being a wireless communication connection to one or more of a plurality of network devices within the HAN that are both battery and line powered;

a processor; and

a memory comprising computer executable instructions that, when executed by the processor, cause the processor to;

receive a request for a mirror-capable device to act as a mirror to perform functions within the HAN on behalf of the utility meter;

in response to receiving the request, determine a plurality of values representing a power consumption required by a particular utility device to transmit utility device data to a respective one of a plurality of mirror-capable network devices, wherein the plurality of network devices includes the plurality of mirror-capable network devices, and the values for each mirror-capable network device including at least the following minimal set of mirror-capable device characteristics;

an availability of each mirror-capable network device to act as a mirror for the particular network device,

a report from each mirror-capable network device of its mirror-device capability that can be provided to the particular network device,

a power source of each mirror-capable network device,

a transmission power needed to communicate between the particular network device and each mirror-capable network device, and

a quality of a transmission line between the particular network device and each mirror-capable network device;

select one of the plurality of mirror-capable network devices as a mirroring device for the particular utility device based on at least one of the plurality of values for two or more of the minimal set of mirror-capable device characteristics in response to the received request, wherein at least one of the two or more mirror-capable device characteristics includes the power source for the mirror capable device and wherein selecting is responsive to the power source having a longer duration power supply than the battery powered particular device;

transmit utility device data from the particular utility device to the selected one of the plurality of mirror-capable network devices;

register with the ESI the selected mirror-capable network device as the mirror for the particular network device, wherein the ESI is configured to treat the registered mirror of the selected mirror-capable network device as the particular network device; and

form a mirror to perform the functions within the HAN on behalf of particular utility device, the mirror being formed at the selected one of the plurality of mirror-capable network devices, whereby, upon forming the mirror, the selected one of the plurality of mirror-capable network devices is thereafter configured to;

receive the transmitted utility device data from the particular utility device;

store received utility device data; and

operate as an interface that performs the HAN device functions on behalf of the particular utility device including receiving a request from the ESI to read the stored received utility device data of the particular utility device and to transmit the requested stored utility device data of the particular utility device to the ESI in response thereto, and in lieu of the particular utility device transmitting the utility device data to the ESI in response to receiving the request therefrom.

18. An energy services interface (ESI) of a home area network (HAN) having a plurality of HAN utility network devices communicatively coupled and operational therein, comprising:

a processor; and

a memory comprising computer executable instructions that, when executed by the processor, cause the processor to;

receiving within the HAN a request for a mirror-capable device to act as a mirror to perform functions within the HAN on behalf of a particular network utility device that is battery powered and that communicates with the ESI using a wireless interface;

in response to receiving the request, determine a plurality of values representing a power consumption required by the particular utility device to transmit utility device data from the particular utility device to a respective one of a plurality of mirror-capable network devices, wherein a plurality of network devices includes the plurality of mirror-capable network devices, and the values for each mirror-capable network device including at least the following minimal set of mirror-capable device characteristics;

an availability of each mirror-capable network device to act as a mirror for the particular network device,

a report from each mirror-capable network device of its mirror-device capability that can be provided to the particular network device,

a power source of each mirror-capable network device,

a transmission power needed to communicate between the particular network device and each mirror-capable network device, and

a quality of a transmission line between the particular network device and each mirror-capable network device;

select one of the plurality of mirror-capable network devices as a mirroring device to act as a mirror to perform functions within the HAN on behalf of the particular utility device based on at least one of the plurality of values for two or more of the minimal set of mirror-capable device characteristics in response to the received request, wherein at least one of the two or more mirror-capable device characteristics includes the power source for the mirror-capable device and wherein selecting is responsive to the power source of the selected mirror-capable device being line-powered;

registering with the ESI the selected mirror-capable network device as the mirror for the particular network device, wherein the ESI is configured to treat the registered mirror of the selected mirror-capable network device as the particular network device; and

form a mirror to act as a mirror to perform functions within the HAN on behalf of the particular utility device at the selected one of the plurality of mirror-capable network devices, wherein, upon forming a mirror, the selected one of the plurality of network devices is thereafter configured to;

receive the transmitted utility device data from the particular utility device;

store received utility device data; and

operate as an interface that performs the HAN device functions on behalf of the particular utility device including responding a request from the ESI to read the stored received utility device data of the particular utility device and in response thereto transmitting the requested stored utility device data of the particular utility device to the ESI and in lieu of the particular utility device transmitting the utility data to the ESI and in lieu of the ESI receiving the utility device data directly from the particular utility device;

wherein the ESI is communicatively connected to the particular utility device and each of the plurality of network devices.