Reverse power supply management method, apparatus and system

Patent metadata

Field	Value
Publication number	US-10256639-B2
Application number	US-201415317689-A
Country	US
Kind code	B2
Filing date	Sep 23, 2014
Priority date	Jun 10, 2014
Publication date	Apr 9, 2019
Grant date	Apr 9, 2019

Abstract

A reverse power supply management method, apparatus and system are disclosed. The method includes: acquiring reverse power supply information of terminal devices of various links during a process that various terminal devices connected to a local end device stably perform reverse power supply on the local end device; determining reverse power supply management information of the various terminal devices according to the acquired reverse power supply information of the terminal devices of the various links; and transmitting respectively the reverse power supply management information of the various terminal devices to corresponding terminal devices to instruct the various terminal devices to adjust parameters for supplying reverse power to the local end device according to the received reverse power supply management information.

First claim

What we claim is:

1. A reverse power supply management method, comprising:
acquiring reverse power supply information of terminal devices of various links during a process that various terminal devices connected to a local end device stably perform reverse power supply on the local end device;
determining reverse power supply management information of the various terminal devices according to the acquired reverse power supply information of the terminal devices of the various links; and
transmitting respectively the reverse power supply management information of the various terminal devices to corresponding terminal devices to instruct the various terminal devices to adjust parameters for supplying reverse power to the local end device according to the received reverse power supply management information;
wherein, the reverse power supply information comprises: reverse power supply capability information of a terminal device and attribute information of a link;
wherein, said acquiring reverse power supply information of terminal devices of various links comprises:
the local end device acquiring the reverse power supply capability information of the various terminal devices in a predetermined mode, wherein, the reverse power supply capability information comprises reverse power supply capacity, power status and service status;
the local end device acquiring the attribute information of the various links in a predetermined mode, wherein, the attribute information comprises a length of a line and impedance characteristic of the line.

2. The method according to claim 1 , wherein, said transmitting respectively the reverse power supply management information of the various terminal devices to the various terminal devices comprises:
the local end device transmitting the reverse power supply management information of the various terminal devices to the corresponding terminal devices respectively through a specific channel or protocol.

3. The method according to claim 1 , wherein, said determining reverse power supply management information of the various terminal devices according to the acquired reverse power supply information of the terminal devices of the various links comprises:
the local end device determining power allocation of the reverse power supply of the various terminal devices by a first principle of balancing fairness and efficiency according to the reverse power supply information of the terminal devices of the various links; and/or,
the local end device determining terminal devices participating in the reverse power supply in the various terminal devices and power supply time of the various terminal devices participating in the reverse power supply in each cycle by a second principle of balancing fairness and efficiency according to the reverse power supply information of the terminal devices of the various links; and/or,
the local end device determining one or more terminal devices in the various terminal devices have no service or are in a battery status currently according to the reverse power supply information of the terminal devices of the various links, and determining the reverse power supply management information indicating that the reverse power supply is closed is required to be transmitted to the one or more terminal devices.

4. The method according to claim 3 , wherein, the first principal comprises at least one of the following: the various terminal devices performing average power allocation; the power allocation being inversely proportional to a length of the link; more power being allocated to a link with better physical properties; more power being allocated to a terminal device with higher power supply capability; no power being allocated to a terminal device in a battery status; power allocated to a terminal device in an idle state being less than power allocated to a terminal device in a non-idle state; power only being allocated to a terminal device with a protocol; power allocation with a maximized efficiency being performed by overall considering various aspects of conditions recorded in the reverse power supply information of the various terminal devices and the attribute information of the corresponding links.

5. The method according to claim 3 , wherein, the local end device determining terminal devices participating in the reverse power supply in the various terminal devices by a second principle of balancing fairness and efficiency comprises:
the local end device determining that the terminal device currently with no service or in the battery status in the various terminal devices does not participate in the reverse power supply and other terminal devices participate in the reverse power supply.

6. The method according to claim 1 , wherein, the method further comprises: when power consumption requirement of the local end device is changed, or when the number of the terminal devices connected to the local end device is changed, or when the reverse power supply information of the one or more terminal devices in the various terminal devices is changed, re-determining the reverse power supply management information of the various terminal devices, and transmitting the re-determined power supply management information of the various terminal devices to the corresponding terminal devices.

7. A reverse power supply management apparatus, comprising:
an acquisition module, configured to acquire reverse power supply information of terminal devices of various links during a process that various terminal devices connected to a local end device stably perform reverse power supply on the local end device; a determination module, configured to determine reverse power supply management information of the various terminal devices according to the acquired reverse power supply information of the various terminal devices; and a transmission module, configured to transmit respectively the reverse power supply management information of the various terminal devices to the various terminal devices to instruct the various terminal devices to adjust parameters for supplying reverse power to the local end device according to the received reverse power supply management information;
wherein, the acquisition module comprises:
a first acquiring unit, configured to acquire reverse power supply capability information of the various terminal devices in a predetermined mode, wherein, the reverse power supply capability information comprises reverse power supply capacity, power status and service status;
a second acquiring unit, configured to acquire attribute information of the various links in a predetermined mode, wherein, the attribute information comprises a length of a line and impedance characteristic of the line.

8. The apparatus according to claim 7 , wherein, the determination module comprises:
a first determination unit, configured to determine power allocation of the reverse power supply of the various terminal devices by a first principle of balancing fairness and efficiency; and/or,
a second determination unit, configured to determine terminal devices participating in the reverse power supply in the various terminal devices and power supply time of the various terminal devices participating in the reverse power supply in each cycle by a second principle of balancing fairness and efficiency.

9. The apparatus according to claim 7 , wherein, the apparatus further comprises: an update module configured to, when power consumption requirement of the local end device is changed, or when the number of the terminal devices connected to the local end device is changed, or when the reverse power supply information of one or more terminal devices in the various terminal devices is changed, re-determine the reverse power

Assignees

• Zte Corp

Inventors

• Cheng Mingming
• Zhang Weiliang

Classifications

• H04B1/04

  Circuits · CPC title

• H04M19/08

  with current supply sources at the substations (generating ringing current H04M19/04) · CPC title

• H04L12/40045 Primary

  Details regarding the feeding of energy to the node from the bus · CPC title

• H04L12/10

  Current supply arrangements · CPC title

• H02J4/00 Primary

  Circuit arrangements for mains or distribution networks not specified as AC or DC; Circuit arrangements for mains or distribution networks combining AC and DC sections or sub-networks (arrangements using intermediate DC-AC-DC conversion H02J1/002; arrangements using high-voltage DC [HVDC] links H02J3/36) · CPC title