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US 8,621,252 B2Granted
Power management method and apparatus, and power supply system
AssigneeHuawei Technologies Co., Ltd.
InventorQingyin Fang
Life of this patent
Estimating the term…
Abstract
A power management method and apparatus, and a power supply system are provided. The method includes: obtaining a power demand value of each module and a rated output power of each power supply unit (PSU) in a communication equipment; calculating the obtained power demand value of each module to acquire a total power demand value of the modules; and adjusting, according to the calculated total power demand value of the modules and the obtained rated output power of each PSU, the current number of the PSUs actually turned on in the communication equipment.
Claims18
A power management method, comprising:
- obtaining, by a system energy-saving controller, a power demand value of each module and a rated output power of each power supply unit (PSU) in a communication equipment;
- calculating, by the system energy-saving controller, a total power demand value of the communication equipment based at least in part on the power demand values of the modules in the communication equipment;
- determining, by hardware control logic adopted by a power energy-saving control logical unit, a number of PSUs currently required to be turned on in the communication equipment, wherein the number of PSUs currently required is equal to the total power demand value of the communication equipment divided by the rated output power of each PSU in the communication equipment when the total power demand value of the communication equipment divided by the rated output power of each PSU in the communication equipment is equal to an integer, and wherein the number of PSUs currently required is equal to a sum of one and an integer portion of the total power demand value of the communication equipment divided by the rated output power of each PSU in the communication equipment when the total power demand value of the communication equipment divided by the rated output power of each PSU in the communication equipment is not equal to the integer;
- and
- adjusting, by the power energy-saving control logical unit, a current number of the PSUs actually turned on in the communication equipment to the determined number of PSUs currently required to be turned on in the communication equipment.
2 more elements
A power management apparatus, comprising:
- a system energy-saving controller configured to obtain a power demand value of each module and a rated output power of each power supply unit (PSU) in a communication equipment, calculate a total power demand value of the communication equipment based at least in part on the power demand values of the modules in the communication equipment, and output the total power demand value of the communication equipment and the rated output power of each PSU;
- and
- a power energy-saving control logical unit configured to adjust, according to the total power demand value of the communication equipment and the rated output power of each PSU output by the system energy-saving controller, a current number of the PSUs actually turned on in the communication equipment,
- wherein the power energy-saving control logical unit is configured to determine a number of PSUs currently required to be turned on in the communication equipment,
- wherein the number of PSUs currently required is equal to the total power demand value of the communication equipment divided by the rated output power of each PSU in the communication equipment when the total power demand of the communication equipment divided by the rated output power of each PSU in the communication equipment is equal to an integer,
- wherein the number of PSUs currently required is equal to a sum of one and an integer portion of the total power demand value of the communication equipment divided by the rated output power of each PSU in the communication equipment when the total power demand value of the communication equipment divided by the rated output power of each PSU in the communication equipment is not equal to the integer, and
- wherein the power energy-saving control logical unit is configured to adjust the current number of the PSUs actually turned on in the communication equipment to the determined number of PSUs currently required to be turned on in the communication equipment.
4 more elements
A power supply system, comprising:
- a power management apparatus;
- and
- modules and power supply units (PSUs) in communication equipment,
- wherein the power management apparatus is configured to manage the PSUs,
- wherein the PSUs are configured to supply power for the modules,
- wherein the power management apparatus is configured to obtain a power demand value of each module and a rated output power of each PSU in the communication equipment, calculate a total power demand value of the communication equipment based at least in part on the power-demand values of the modules in the communication equipment, and adjust, according to the total power demand value of the communication equipment and the rated output power of each PSU, a current number of the PSUs actually turned on in the communication equipment,
- wherein the power management apparatus a system energy-saving controller and a power energy-saving control logical unit,
- wherein the system energy-saving controller is configured to obtain the power demand value of each module and the rated output power of each PSU in the communication equipment, calculate the total power demand value of the communication equipment, and output the total power demand value of the communication equipment and the rated output power of each PSU to the power energy-saving control logical unit,
- wherein the power energy-saving control logical unit is configured to adjust, according to the total power demand value of the communication equipment and the rated output power of each PSU output by the system energy-saving controller, the current number of the PSUs actually turned on in the communication equipment,
- wherein the power energy-saving control logical unit comprises a storage unit, a power number determination unit, and an adjustment unit,
- wherein the storage unit is configured to store the total power demand value of the communication equipment and the rated output power of each PSU output by the system energy-saving controller,
- wherein the power number determination unit is configured to determine, according to the total power demand value of the communication equipment and the rated output power of each PSU stored by the storage unit, the number of PSUs currently required to be turned on in the communication equipment,
- wherein the adjustment unit is configured to adjust the current number of the PSUs actually turned on in the communication equipment to the determined number of PSUs currently required to be turned on in the communication equipment,
- wherein the number of PSUs currently required is equal to the total power demand value of the communication equipment divided by the rated output power of each PSU in the communication equipment when the total power demand of the communication equipment divided by the rated output power of each PSU in the communication equipment is equal to an integer, and
- wherein the number of PSUs currently required is equal to a sum of one and an integer portion of the total power demand value of the communication equipment divided by the rated output power of each PSU in the communication equipment when the total power demand value of the communication equipment divided by the rated output power of each PSU in the communication equipment is not equal to the integer.
12 more elements
Dependencies are inferred from the claim text.