Power Management Method and Apparatus, and Power Supply Method

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.

What is claimed is: 
     
         1 . A power management method, comprising:
 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 communication equipment; and   adjusting, according to the calculated total power demand value of the communication equipment and the obtained rated output power of each PSU, a current number of the PSUs actually turned on in the communication equipment.   
     
     
         2 . The method according to  claim 1 , wherein obtaining the power demand value of each module in the communication equipment comprises obtaining the power demand value of each module in the communication equipment according to a configuration condition and a state of each module. 
     
     
         3 . The method according to  claim 2 , wherein each module comprises a board and a cooling unit, and wherein obtaining the power demand value of each module in the communication equipment according to the configuration condition and the state of each module comprises:
 obtaining the power demand value of each board according to an in-position signal of each board and a type of each board or a power demand value of each board in a power demand storage unit of each board; and   obtaining a power demand value of each cooling unit according to an in-position signal of each cooling unit and a change of a rotation speed of the cooling unit.   
     
     
         4 . The method according to  claim 2 , wherein each module comprises a board, and wherein obtaining the power demand value of each module in the communication equipment according to the configuration condition and the state of each module comprises:
 obtaining the power demand value of each board according to an in-position signal of each board and a type of each board; and   obtaining the power demand value of each board according to a power demand value of each board in a power demand storage unit of each board.   
     
     
         5 . The method according to  claim 1 , further comprising:
 detecting an in-position signal or a failure signal of the PSU; and   controlling the turn-on and turn-off of each PSU according to the detected signal.   
     
     
         6 . The method according to  claim 1 , wherein adjusting, according to the calculated total power demand value of the communication equipment and the obtained rated output power of each PSU, the current number of the PSUs actually turned on in the communication equipment comprises:
 determining, according to the calculated total power demand value of the communication equipment and the obtained rated output power of each PSU and through hardware control logic, the number of the PSUs currently required to be turned on in the communication equipment; and   adjusting the current number of the PSUs actually turned on in the communication equipment to the determined number of the PSUs required to be turned on in the communication equipment.   
     
     
         7 . 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 the obtained power demand value of each module to acquire a 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 a power energy-saving control logical unit; and   the 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.   
     
     
         8 . The apparatus according to  claim 7 , wherein the system energy-saving controller comprises:
 an obtaining unit configured to obtain the power demand value of each module and the rated output power of each PSU in the communication equipment;   a calculation unit configured to calculate the power demand value of each module obtained by the obtaining unit to obtain the total power demand value of the communication equipment; and   an output unit configured to output the total power demand value of the communication equipment obtained by the calculation unit and the rated output power of each PSU obtained by the obtaining unit to the power energy-saving control logical unit.   
     
     
         9 . The apparatus according to  claim 8 , wherein the output unit is further configured to control the modules. 
     
     
         10 . The apparatus according to  claim 8 , wherein the power energy-saving control logical unit comprises:
 a storage unit 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;   a power number determination unit 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 the PSUs currently required to be turned on in the communication equipment; and   an adjustment unit configured to adjust the current number of the PSUs actually turned on in the communication equipment to the determined number of the PSUs required to be turned on in the communication equipment.   
     
     
         11 . The apparatus according to  claim 7 , wherein each module comprises a board, or wherein each module comprises the board and a cooling unit. 
     
     
         12 . The apparatus according to  claim 10 , wherein the power energy-saving control logical unit further comprises a state detection unit configured to detect an in-position, normal working or failure signal of each module and each PSU, and wherein the adjustment unit controls the turn-on and turn-off of each PSU according to the signal detected by the state detection unit. 
     
     
         13 . A power supply system applicable to communication equipment, comprising:
 a power management apparatus; and   modules and power supply units (PSUs) in the 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 obtains a power demand value of each module and a rated output power of each PSU in the communication equipment, calculates the obtained power demand value of each module to acquire a total power demand value of the communication equipment, and adjusts, 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.   
     
     
         14 . The system according to  claim 13 , wherein the power management apparatus comprises 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 obtained power demand value of each module to acquire 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, and 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. 
     
     
         15 . The system according to  claim 14 , wherein the system energy-saving controller comprises:
 an obtaining unit configured to obtain the power demand value of each module and the rated output power of each PSU in the communication equipment;   a calculation unit configured to calculate the power demand value of each module obtained by the obtaining unit to obtain the total power demand value of the communication equipment; and   an output unit configured to output the total power demand value of the communication equipment obtained by the calculation unit and the rated output power of each PSU obtained by the obtaining unit to the power energy-saving control logical unit.   
     
     
         16 . The system according to  claim 15 , wherein the output unit is further configured to control the modules. 
     
     
         17 . The system according to  claim 14 , wherein the power energy-saving control logical unit comprises:
 a storage unit 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;   a power number determination unit 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 the PSUs currently required to be turned on in the communication equipment; and   an adjustment unit configured to adjust the current number of the PSUs actually turned on in the communication equipment to the determined number of the PSUs required to be turned on in the communication equipment.   
     
     
         18 . The system according to  claim 17 , wherein the power energy-saving control logical unit further comprises a state detection unit configured to detect an in-position or failure signal of each module and PSU, and wherein the adjustment unit controls the turn-on and turn-off of each PSU according to the signal detected by the state detection unit.