Apparatus and method for instrumenting devices to measure power usage using a multi-tier wireless network

• US 8,811,377 B1
• Filed: 08/30/2010
• Issued: 08/19/2014
• Est. Priority Date: 08/30/2010
• Status: Active Grant

• Current Assignee: Vigilent Corporation
• Original Assignee: Synapsense Corporation (Panduit Corporation)
• Inventors: Ghosh, Rituparna, Han, Seokman Paul, Pandey, Raju, Weston, Patrick E., Fechter, Abraham D., Ramin, Yann T., Bell, Sean L.
• Primary Examiner(s): HUYNH, KHOA B
• Application Number:
  US12/807,234
• Time in Patent Office: 1,450 Days
• Field of Search: None
• US Class Current: 370/351
• CPC Class Codes: H04W 28/06 Optimizing the usage of the radio link, e.g. header compression, information sizing , discarding information system modifying transmission characteristic according to link quality by modifying frame length H04L1/0007; dynamic adaptation of the packet size for flow control or congestion control H04L47/365
• CPC Class Codes: H04W 40/02 Communication route or path selection, e.g. power-based or shortest path routing
• CPC Class Codes: H04W 52/02 Power saving arrangements in wired systems H04L12/12; signaling of mobile application services, e.g. low battery notifications H04W4/20
• CPC Class Codes: H04W 52/0219 where the power saving management affects multiple terminals
• CPC Class Codes: H04W 84/18 Self-organising networks, e.g. ad-hoc networks or sensor networks
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

Various embodiments provide an apparatus and method for instrumenting devices to measure power usage using a multi-tier wireless network. An example embodiment includes: establishing communication with a plurality of networked power monitors deployed at particular points in a facility, each power monitor of the plurality of networked power monitors being configured to monitor power consumption of a different one of a plurality of electronic devices in the facility; periodically obtaining system data from each of the plurality of networked power monitors using a wireless sensor network, the system data including power consumption data corresponding to associated electronic devices; using a communication hub to aggregate the system data from a plurality of associated power monitors, the communication hub and the plurality of associated power monitors forming a local network within the wireless sensor network; and using the system data to control operation of the plurality of electronic devices in the facility.

Claims

1. A method comprising:

establishing communication with a plurality of networked power monitors deployed at particular points in a facility, each power monitor of the plurality of networked power monitors being configured to monitor power consumption of a different one of a plurality of electronic devices in the facility;

associating a subset of the plurality of networked power monitors with a primary communication hub, the primary communication hub being configured as a node in a wireless sensor network;

periodically obtaining system data from each of the plurality of networked power monitors using the wireless sensor network, the system data including power consumption data corresponding to associated electronic devices;

routing the system data in messages between nodes of the wireless sensor network by transiting through at least one intermediate node of the wireless sensor network;

using the primary communication hub to aggregate the system data from the subset of the plurality of networked power monitors, the primary communication hub and the subset of the plurality of networked power monitors forming a local network within the wireless sensor network;

routing the system data in the wireless sensor network by transiting through the primary communication hub and at least one other communication hub of the wireless sensor network; and

using the system data to control operation of the plurality of electronic devices in the facility.

2. The method as claimed in claim 1 wherein the system data includes measured power consumption data and computed power consumption data.

3. The method as claimed in claim 1 wherein the power consumption data includes voltage, electrical current, power, power factor, and energy data.

4. The method as claimed in claim 1 including routing the system data to a gateway.

5. The method as claimed in claim 1 including routing the system data to an IP network.

6. The method as claimed in claim 1 wherein each of the plurality of networked power monitors being configured to send a beacon to a corresponding communication hub on initialization.

7. An article of manufacture comprising a non-transitory machine-readable storage medium having machine executable instructions embedded thereon, which when executed by a machine, cause the machine to:

establish communication with at plurality of networked power monitors deployed at particular points in a facility, each power monitor of the plurality of networked power monitors being configured to monitor power consumption of a different one of a plurality of electronic devices in the facility;

associate a subset of the plurality of networked power monitors with a primary communication hub, the primary communication hub being configured as a node in a wireless sensor network;

periodically obtain system data from each of the plurality of networked power monitors using the wireless sensor network, the system data including power consumption data corresponding to associated electronic devices;

route the system data in messages between nodes of the wireless sensor network by transiting through at least one intermediate node of the wireless sensor network;

use the primary communication hub to aggregate the system data from the subset of the plurality of networked power monitors, the primary communication hub and the subset of the plurality of networked power monitors forming a local network within the wireless sensor network;

route the system data in the wireless sensor network by transiting through the primary communication hub and at least one other communication hub of the wireless sensor network; and

use the system data to control operation of the plurality of electronic devices in the facility.

8. The article of manufacture as claimed in claim 7 wherein the system data includes measured power consumption data and computed power consumption data.

9. The article of manufacture as claimed in claim 7 wherein the power consumption data includes voltage, electrical current, power, power factor, and energy data.

10. The article of manufacture as claimed in claim 7 being further configured to route the system data to a gateway.

11. The article of manufacture as claimed in claim 7 being further configured to route the system data to an IP network.

12. The article of manufacture as claimed in claim 7 wherein each of the plurality of networked power monitors being configured to send a beacon to a corresponding communication huh on initialization.

13. A system comprising:

an analysis processor in data communication via a wide-area network;

a gateway in data communication via the wide-area network and a wireless sensor network;

a primary communication hub in data communication via the wireless sensor network; and

a plurality of networked power monitors deployed at particular points in a facility, each power monitor of the plurality of networked power monitors being configured to monitor power consumption of a different one of a plurality of electronic devices in the facility, a subset of the plurality of networked power monitors being associated with the primary communication hub, the primary communication hub being configured as a node in the wireless sensor network;

the primary communication hub being configured to periodically obtain system data from associated power monitors of the plurality of networked power monitors using the wireless sensor network, the system data including power consumption data corresponding to associated electronic devices;

the primary communication hub being configured to route the system data in messages between nodes of the wireless sensor network by transiting through at least one intermediate node of the wireless sensor network;

the primary communication hub being configured to aggregate the system data from the associated power monitors, the primary communication hub and the associated power monitors forming a local network within the wireless sensor network, the primary communication hub being configured to route the system data in the wireless sensor network by transiting through the primary communication hub and at least one other communication hub of the wireless sensor network; and

the analysis processor being configured to use the system data to control operation of the plurality of electronic devices in the facility.

14. The system as claimed in claim 13 wherein the system data includes measured power consumption data and computed power consumption data.

15. The system as claimed in claim 13 wherein the power consumption data includes voltage, electrical current, power, power factor, and energy data.

16. The system as claimed in claim 13 being further configured to route the system data to a gateway.

17. The system as claimed in claim 13 being further configured to route the system data to an IP network.

18. The system as claimed in claim 13 wherein each of the plurality of networked power monitors being configured to send a beacon to a corresponding communication hub on initialization.