Distributing power to networked devices

• US 8,315,744 B2
• Filed: 10/31/2008
• Issued: 11/20/2012
• Est. Priority Date: 10/31/2008
• Status: Active Grant

• Current Assignee: Cisco Technology, Inc. (Cisco Systems, Inc.)
• Original Assignee: Cisco Technology, Inc. (Cisco Systems, Inc.)
• Inventors: Chatterton, Deon J., Shaffer, Shmuel, Jacobs, Morrill William
• Primary Examiner(s): Ali, Mohammad
• Assistant Examiner(s): LAUGHLIN, NATHAN L
• Application Number:
  US12/262,746
• Publication Number:
  US 20100114389A1
• Time in Patent Office: 1,481 Days
• Field of Search: 700/22, 700/23, 700/286, 700/291, 700/295
• US Class Current: 700/295
• CPC Class Codes: G06F 1/3203 Power management, i.e. event-based initiation of a power-saving mode
• CPC Class Codes: G06F 1/3231 Monitoring the presence, absence or movement of users
• CPC Class Codes: H02J 9/005 using a power saving mode for copiers G03G15/5004
• CPC Class Codes: H04L 12/10 Current supply arrangements
• CPC Class Codes: H04L 12/12 Arrangements for remote connection or disconnection of substations or of equipment thereof
• CPC Class Codes: H04L 12/2827 Reporting to a device within the home network; wherein the reception of the information reported automatically triggers the execution of a home appliance functionality
• CPC Class Codes: Y02D 10/00 Energy efficient computing, e.g. low power processors, power management or thermal management

Abstract

A method and an apparatus to distribute power to a networked apparatus are provided. The apparatus may comprise a communication module to receive sensor data via a communication network connected to a plurality of sensors operatively located within a building. The plurality of sensors may be to provide sensor data identifying a presence of one or more persons in the building. The apparatus includes a policy engine including a plurality of rules, each rule associated with at least one powered device located within the building. A power control module is configured to adjust power supplied to the at least one powered device based on the rule. Power to the powered devices may be provided over a power over Ethernet network.

Claims

1. An apparatus comprising at least one processor and memory to store instructions which, when executed by the at least one processor, perform operations for:

a communication module to receive sensor data via a communication network connected to a plurality of sensors operatively located within a building, the plurality of sensors being to provide sensor data identifying the presence of one or more persons in a building, and the communication module further operating to send information via a communication device to the one or more persons in the building;

a policy engine including a plurality of rules, each rule associated with at least one powered device located within the building, at least one rule further including operations to select an available zone in the building for operating powered devices by the one or more persons in the building, the available zone being selected from a plurality of zones in the building to reduce power consumption in one or more zones that are unoccupied, and the at least one rule further including related information to be sent to the one or more persons in the building, the related information including an identification of the available zone in the building for operating powered devices; and

a power control module to adjust power supplied to the at least one powered device based on the rule.

2. The apparatus of claim 1, wherein the plurality of sensors comprise an access card sensor, a video surveillance camera, a temperature sensor, a power consumption sensor, or a motion sensor.

3. The apparatus of claim 1, wherein the sensor data identifies power consumed by a load connected to the communication network, and the policy engine uses the identified power consumed to identify the available zone in the building for operating powered devices, the available zone being identified as powered up and available for the one or more persons in the building.

4. The apparatus of claim 1, wherein the at least one powered device comprise a telephone, a local area network (LAN) endpoint, a network camera, a network switch, or a network router.

5. The apparatus of claim 1, wherein the policy engine comprises at least one high priority rule associated with a high priority event, wherein when the high priority event is active, supply of power to the at least on powered device associated with a high priority rule is favored.

6. The apparatus of claim 1, wherein the policy engine is configured to identify a distribution of a plurality of persons within the building, and implement a rule associated with the distribution.

7. The apparatus of claim 6, wherein the rule specifies the provision of power to at least areas of the building where persons are identified.

8. The apparatus of claim 1 wherein the power control module is configured to at least reduce power supplied to the at least one powered device based on the rule associated with the at least one powered device.

9. The apparatus of claim 1, wherein the policy engine comprises at least one rule associated with a zone within the building, the rule associated with the zone specifying that all powered devices within the zone be powered when a person associated with the zone is sensed.

10. The apparatus of claim 1, wherein the communication module is configured to provide power over Ethernet (PoE) and transmit data to a plurality of powered devices, the power control module being configured to adjust power supplied via the PoE network.

11. The apparatus of claim 1, wherein the power control module is configured to at least reduce power supplied to the at least one powered device based via a building power reticulation network.

12. The apparatus of claim 1, further comprising:

a database to store historical data identifying past power consumption of a plurality of powered devices associated with the at least one rule; and

a prediction engine to predict future power consumption by the plurality of powered devices.

13. The apparatus of claim 12, comprising a reporting module to report the predicted future power consumption to a power utility provider.

21. The apparatus of claim 1, wherein the related information to be sent to the one or more persons in the building includes instructions directing the one or more persons to the available zone.

22. The apparatus of claim 1, wherein communication device sends information to the one or more persons in the building through at least one of an email message, a speaker system or a display screen.

25. The apparatus of claim 1, wherein the at least one rule further includes powering on at least one device in the available zone in coordination with sending the identification of the available zone to the one or more persons in the building.

26. The apparatus of claim 1, wherein the at least one rule further includes powering on at least one device in the available zone when a person who was sent the identification of the available zone is sensed in a vicinity of the available zone.

27. The apparatus of claim 1, wherein the available zone is selected from a specified sequence of zones that correspond to portions of the building so that zones are occupied in an order according to the specified sequence and power consumption is reduced in the one or more zones that are unoccupied.

28. The apparatus of claim 1, wherein a first rule included in the policy engine operates a first device by using sensor data to predict future states of the first device so that the first device is maintained in an operational configuration when a first person with access rights to the first device is near the first device.

29. The apparatus of claim 1, wherein the policy engine implements the at least one rule by performing operations including:

identifying a sequence of the zones for powering up the zones and for occupying the zones to reduce power consumption in one or more zones that are unoccupied;

selecting the available zone as a next zone from the sequence with an availability for the one or more persons in the building;

sending the related information including the identification of the available zone to the one or more persons in the building; and

powering up the available zone for operating powered devices by the one or more persons in the building.

14. A system comprising:

a plurality of powered devices located within a building;

a plurality of sensors to provide sensor data identifying a presence of one or more persons in the building;

a communication network connected to the plurality of sensors; and

a power management module connected to the communication network, the power management module being configured receive the sensor data and to adjust power provided to the plurality of powered devices based on at least one rule associated with the sensor data, the power management module being further configured to select an available zone in the building for operating powered devices by the one or more persons in the building, the available zone being selected from a plurality of zones in the building to reduce power consumption in one or more zones that are unoccupied, and the power management module being further configured to access related information to be sent to the one or more persons in the building, the related information including an identification of the available zone in the building for operating powered devices; and

a communication device to send the related information to the one or more persons in the building.

15. The system of claim 14, wherein the communication network is a PoE network configured to provide electrical power and transmit data to a plurality of powered devices.

16. The system of claim 14, wherein the power management module is configured to at least reduce power supplied to the at least one powered device based the associated rule.

17. A method comprising:

receiving sensor data via a communication network connected to a plurality of sensors located within a building, the plurality of sensors being to provide sensor data identifying the presence of one or more persons in the building;

accessing a policy engine to identify at least one of a plurality of rules associated with the sensor data, each rule of the plurality of rules being associated with at least one powered device located within the building, the policy engine further operating to select an available zone in the building for operating powered devices by the one or more persons in the building, the available zone being selected from a plurality of zones in the building to reduce power consumption in one or more zones that are unoccupied, and the policy engine further identifying related information to be sent to the one or more persons in the building, the related information including an identification of the available zone in the building for operating powered devices;

adjusting power supplied to the at least one powered device based on the identified rule; and

sending the related information via a communication device to the one or more persons in the building.

18. The method of claim 17, wherein the communication network is a PoE network configured to provide electrical power and transmit data to a plurality of powered devices.

23. The method of claim 17, wherein the related information to be sent to the one or more persons in the building includes instructions directing the one or more persons to the available zone.

24. The method of claim 17, wherein communication device sends information to the one or more persons in the building through at least one of an email message, a speaker system or a display screen.

19. An apparatus comprising:

at least one processor; and

memory to store instructions which, when executed by the at least one processor, perform the operations of;

receiving sensor data via a communication network connected to a plurality of sensors located within a building, the plurality of sensors being to provide sensor data identifying a presence of one or more persons in the building;

accessing a policy engine to identify at least one of a plurality of rules associated with the sensor data, each rule of the plurality of rules being associated with at least one powered device located within the building, the policy engine further operating to select an available zone in the building for operating powered devices by the one or more persons in the building, the available zone being selected from a plurality of zones in the building to reduce power consumption in one or more zones that are unoccupied, and the policy engine further identifying related information to be sent to the one or more persons in the building, the related information including an identification of the available zone in the building for operating powered devices;

adjusting power supplied to the at least one powered device based on the at least one rule; and

sending the related information via a communication device to the one or more persons in the building.

20. An apparatus comprising:

a communication module for receiving sensor data via a communication network connected to a plurality of sensors located within a building, the plurality of sensors being to provide sensor data identifying a presence of one or more persons in the building, and the communication module further operating to send information via a communication device to the one or more persons in the building;

means for accessing a policy engine to identify at least one of a plurality of rules associated with the sensor data, each rule of the plurality of rules being associated with at least one powered device located within the building, at least one rule further including operations to select an available zone in the building for operating powered devices by the one or more persons in the building, the available zone being selected from a plurality of zones in the building to reduce power consumption in one or more zones that are unoccupied, and the at least one rule further including related information to be sent to the one or more persons in the building, the related information including an identification of the available zone in the building for operating powered devices; and

means for adjusting power supplied to the at least one powered device based on the at least one rule.