CN100388588C - Method and system for power supply device - Google Patents
Method and system for power supply device Download PDFInfo
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- CN100388588C CN100388588C CNB200610083744XA CN200610083744A CN100388588C CN 100388588 C CN100388588 C CN 100388588C CN B200610083744X A CNB200610083744X A CN B200610083744XA CN 200610083744 A CN200610083744 A CN 200610083744A CN 100388588 C CN100388588 C CN 100388588C
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/005—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting using a power saving mode
Abstract
The invention relates to a method for powering device and relative system, wherein it comprises that: (1), checking the state of device; (2), based on said state, adjusting the output power. The system comprises power manage subsystem for based on the device state controlling the switch of rectifying module to adjust the output power; a rectifying module for adjusting alternative current into direct current, to power device. The invention can save energy.
Description
Technical field
The present invention relates to communication field, relate in particular to a kind of method and system of power devices.
Background technology
In high-end communication system, for guaranteeing communication apparatus (Telecom Equipment) reliability, electric power system (Power System) must adopt the mode of N+1 backup to power.So-called N+1 backup refers to that N module can satisfy the power supply of communication apparatus, but actual disposition N+1; When one of them module failure, remaining module still can guarantee the power supply of communication apparatus.
Seeing also Fig. 1 is the power devices system diagram of prior art.
Electric power system mainly is made up of power management subsystem (PMU) 100, rectification module (AC/DC) 200 and storage battery (Battery) 300.
Rectification module is that alternating current is changed into galvanic device, and alternating current is after N+1 rectification module conversion, and the direct current of output converges, and powers to communication apparatus.Supply current is exported from rectification module, through communication apparatus, flows back to rectification module again.
Storage battery is the back-up source of electric power system, is in charged state at ordinary times.
Alternating Current Power Supply is just often powered to communication apparatus by rectification module.When one of them rectification module fault, a remaining N rectification module still can guarantee the power supply of communication apparatus; During AC dump, at this moment the rectification module no-output can power to communication apparatus by storage battery.
Power management subsystem is used to manage rectification module and storage battery.
But in this system, the peak power output of power devices system is to design by the maximum power that communication apparatus needs, cause in some cases, the peak power output of power devices system can be greater than the communication apparatus desired power, for example: during the operation of (1) communication apparatus, do not reach full configuration and put, this moment, the peak power output of power devices system did not change, and caused energy waste; When (2) communication apparatus free time or data processing amount were low, the peak power output of power devices system did not change, and can cause energy waste yet; (3) better when the running environment situation of communication apparatus, do not need to use refrigeration or heater, this moment, the peak power output of power devices system did not change, and can cause energy waste equally.The power of each rectification module is made up of power output and own loss power in addition, power output provides to be used to load, and loss power to be rectification module work the time must consume, the peak efficiency of rectification module is to be issued in specific loading condition (power output), when the communication apparatus desired power hour, the load of power devices system diminishes, and causes the decrease in efficiency of rectification module, loss power increases, and causes waste.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method and system of power devices, and the method and system can be according to the equipment current working state, and this equipment is given in power supply.
For solving the problems of the technologies described above, the objective of the invention is to be achieved through the following technical solutions: comprise step:
1) the operating current state of checkout equipment; 2), calculate the number of the rectification module that needs unlatching or close according to the equipment work electric current; 3) close or open the rectification module of respective number.
Preferably, described step 2) electric current that work at present rectification module number and single rectification module provide in multiplies each other, the long-pending equipment work electric current that deducts of gained, if the electric current that the gained difference provides greater than single rectification module and allowance with, then close a rectification module at least.
Preferably, described allowance scope is 5 amperes to 10 amperes.
Preferably, the merchant of the maximum current that equipment work electric current and single rectification module provide described step 21) again with allowance with add one, drawing needs the rectification module of work number, if the rectification module number of work at present is then opened a rectification module at least less than this number.
Preferably, described allowance scope is 0.2 to 0.4.
The present invention also provides a kind of method of power devices, comprising: 1), and the data throughout of checkout equipment.
2) according to the communication apparatus data throughout, whether need control the unlatching of rectification module or close, if need, then with device data throughput corresponding device operating current, enter step 3) if judging;
3) calculate the rectification module number that needs unlatching or close;
4) close or open the rectification module of respective number.
Preferably, judge whether need to control the unlatching of rectification module or close by the time window algorithm in the described step 3).
The present invention also provides a kind of power devices system, comprising:
Power management subsystem is used for according to equipment running status, controls the unlatching of rectification module or closes the power output with adjustment power devices system; Rectification module is used for changing alternating current into direct current, as the power devices of exporting to of described system.
Described power management subsystem comprises: computing unit is used for calculating according to the equipment work electric current number of the rectification module that needs close or open;
Control unit is used for the result of calculation according to the computing unit feedback, closes or open the rectification module of respective number.
The present invention also provides a kind of power devices system, comprising: power management subsystem is used for according to equipment running status the unlatching of control rectification module or close to adjust power devices system power output; Rectification module is used for changing alternating current into direct current, as the power devices of exporting to of described system; Described power management subsystem comprises: sampling unit is used to obtain the device data throughput; Identifying unit is used to obtain the sampling unit feedback data, and whether judge needs to open or close rectification module, if need, be transmitted to computing unit then with device data throughput corresponding device operating current, and with the equipment work electric current; Computing unit is used for calculating according to the equipment work electric current number of the rectification module that needs close or open; Control unit is used for the result of calculation according to the computing unit feedback, closes or open the rectification module of respective number.
The present invention also provides a kind of power devices system, comprising: power management subsystem is used for according to equipment running status the unlatching of control rectification module or close to adjust power devices system power output;
Rectification module is used for changing alternating current into direct current, as the power devices of exporting to of described system; Described power management subsystem comprises main control unit and at least one controlled unit; Described main control unit obtains equipment running status, and closes or open rectification module by controlled unit; Described main control unit comprises: sampling unit is used to obtain the device data throughput; Identifying unit is used to obtain the sampling unit feedback data, and whether judge needs to open or close rectification module, if need, be transmitted to computing unit then with device data throughput corresponding device operating current, and with the equipment work electric current; Computing unit is used for calculating according to the equipment work electric current number of the rectification module that needs close or open; Control unit is used for the result of calculation according to the computing unit feedback, closes or open the rectification module of respective number.
Above technical scheme because power management subsystem monitors equipment running status, changes the peak power output of power devices system as can be seen, makes it so both to have guaranteed that equipment normally moved, again energy savings near the power demand of equipment.
Further, the present invention provides the detection to device current and device data throughput simultaneously, makes the checkout equipment running status more flexible, and is not limited to a kind of detection mode.
Further, the present invention samples to the device data throughput, judge whether need to control the unlatching of rectification module or close by the time window algorithm, avoid real-time change according to equipment running status, adjust the power output of power devices system in real time, guarantee the stability of power devices system.
Further, the power of rectification module is made up of power output and own loss power, and power output provides to load and uses, and loss power must consume when being rectification module work; When the power devices system reduced peak power output according to the plant capacity demand after, the operating efficiency of rectification module improved in the present invention, thereby made himself loss power also reduce energy savings.
Description of drawings
Fig. 1 is a communication apparatus electric power system of the prior art;
Fig. 2 is the method flow diagram of communication apparatus power supply provided by the invention;
Fig. 3 is provided by the invention by detecting the method figure that the communication apparatus electric current is adjusted power devices system power output in real time;
Fig. 4 is the method figure that adjusts communication apparatus electric power system power output by real-time checkout equipment data throughout provided by the invention;
Fig. 5 is provided by the invention according to time window judgement communication apparatus running status figure;
Fig. 6 is a power devices system diagram of adjusting communication apparatus electric power system power output by the checkout equipment electric current provided by the invention;
Fig. 7 is that power management subsystem provided by the invention is embedded in rectification module and the communication apparatus, detects the communication apparatus electric current, adjusts the power devices system diagram of output power of power supply;
Fig. 8 is a power devices system diagram of adjusting communication apparatus electric power system power output by the checkout equipment data throughout provided by the invention;
Fig. 9 is that power management subsystem provided by the invention is embedded in rectification module and the communication apparatus, checkout equipment data throughout, the power devices system diagram of adjustment output power of power supply.
Embodiment
The present invention is used for the power devices system, realizes the energy-conservation of power devices system.The invention provides a kind of method and system of power devices, need to prove that the present invention is an example with the communication apparatus electric power system, but be not limited to the communication apparatus electric power system.
See also the core concept that Fig. 2 illustrates the method for the invention, this method totally comprises following two steps.
S1) checkout equipment running status;
S2), adjust the power output of power devices system according to equipment running status.
Wherein, the checkout equipment running status specifically is checkout equipment electric current or device data throughput.Specify implementation of the present invention according to above-mentioned core concept.
Seeing also Fig. 3 is the method figure that adjusts the power output of power devices system by real-time checkout equipment electric current provided by the invention; May further comprise the steps:
S11) detect the communication apparatus current working current;
S12) operating current current according to communication apparatus, the rectification module number that calculating need be closed or open;
S13) close or open the rectification module of respective number.
Can be in the present embodiment by the current working current of sensor equipment.
It below is the method that present embodiment provides the rectification module number that detailed calculated need close or open.
When the communication apparatus load reduces, need close rectification module.Suppose that the maximum current that each rectification module can provide is I
R, the number of modules of work at present is k, then the current maximum output current of power devices system is k * I
R, I
LBe communication apparatus total load current (being the communication apparatus current working current).If k * I
R-I
LGreater than I
R+ i then can close a rectification module at least.Herein, the electric current allowance of i for guaranteeing that the power devices system reliability is provided with, the span of i is recommended as 5A～10A, however the present invention this span is not limited, those skilled in the art can decide according to concrete condition.
If the communication apparatus load increases, need to open rectification module.Suppose that the current rectification module quantity of work that needs is [I
L/ I
R+ c]+1, current rectification module quantity of working is less than [I
L/ I
R+ c]+1, then need to open a rectification module.Herein, [I
L/ I
R+ c] expression is no more than I
L/ I
RThe maximum integer of+c, c is the allowance that be to guarantee that the power devices system reliability is provided with, the span of c is recommended as 0.2～0.4, however the present invention this span is not limited, those skilled in the art can decide according to concrete condition.For example: suppose that the maximum current that each rectification module can provide is I
R=20A, the total load current I that obtains according to data in the time window
LBe 1～15A, c=0.2, the current rectification module quantity of work that needs is [I
L/ I
R+ c]+1=1; Suppose that the maximum current that each rectification module can provide is I
R=20A, the total load current I that obtains according to data in the time window
LBe 16A, c=0.2, the current rectification module quantity of work that needs is [I
L/ I
R+ c]+1=2.Herein, I
LDuring for 16A, 1 module also can be born, but because the existence of c has increased reliability, becomes 2 module work in advance.
Below provide the method for the invention another embodiment, among this embodiment, at step s22), s23) in the algorithm of the time window that adopts in the algorithm according to communication apparatus current data throughput control On/Off rectification module guarantee the power devices stability of a system, avoid output frequent change of power devices system with the continuous variation of electric current.In this embodiment, described running status is specially the device data throughput.
Seeing also Fig. 4 is the method figure that adjusts power devices system power output by real-time checkout equipment data throughout provided by the invention; May further comprise the steps:
S21) detect the communication apparatus data throughout;
S22) according to the communication apparatus data throughout, whether need to control the unlatching of rectification module or close, if need, then with device data throughput corresponding device operating current, enter step s23 if judging) in, if do not need, enter step s21);
S23) calculate the rectification module number that to close or to open;
S24) close or open the rectification module of respective number.
Step s21) detecting the communication apparatus data throughout in, is the inner checkout equipment data throughout of communication apparatus, and this is a prior art, in this few narration.
Below to step s22) be described in detail:
Because the data throughout of communication apparatus is a real-time change,, can not adjust the power devices system in real time according to the real-time change of data throughout for guaranteeing the power devices stability of a system.The present invention sets a time window, according to the opportunity of the recently definite adjustment power devices of the data throughout percentage in time window system, data throughout percentage is represented with the current sampled value and the peaked percentage form of communication apparatus data throughout of communication apparatus data throughout.Current sampled value is that power management subsystem (depends on concrete device characteristics, flow size etc. to the current data throughput that communication apparatus reports in certain time interval; Device characteristics are excellent, flow greatly then the time interval little, otherwise large interval then) sample, obtain current sampled value.
As shown in Figure 5,75%70%.......33% among the figure, the current data throughout percentage of 36% expression communication apparatus, power management subsystem is once sampled to the data throughout percentage of communication apparatus every certain sampling time interval Δ t (being generally 10～30 minutes), collect 70% in the time window 1,55%, 63% 3 data, promptly respectively at t-Δ t, t, t+ Δ t gathers communication apparatus current data throughput percentage, position when time window to 2, it is time window 2, collect 42%, 40%, 33%, acquisition time is respectively at t+5 Δ t, t+6 Δ t, t+7 Δ t, power management subsystem is kept at the form of image data with formation in the memory space of allocating in advance.
Power management subsystem to the sampled data in the current time window average with previous time window in sampled data mean value relatively, obtain the variable quantity of data throughout percentage mean value, the variable quantity of mean value is transformed into the electric current of representing with the percentage form (this corresponding relation is tested by experiment and obtained), when this value surpasses our preset threshold (ratio of the maximum current that the maximum current that each rectification module provides and all rectification modules provide), open or close rectification module.Time window is wide more, and the sampled data that comprises is just many more, and then the stationarity of power devices system adjustment is good, but real-time is poor; Time window is narrow more, and the sampled data that comprises is just few more, and then the stationarity of power devices system adjustment is poor, but real-time is good.
The mean value of percentage in the time window multiply by the maximum data throughput of communication apparatus, has just obtained the data throughout of current communication apparatus; According to data throughout, obtain corresponding communication apparatus operating current (this corresponding relation is tested by experiment and obtained) I
L
Below to step s23), s24) be described in detail:
Suppose that the maximum current that each rectification module can provide is I
R, the number of modules of work at present is k, then the current maximum output current of power devices system is k * I
RIf k * I
R-I
LGreater than I
R+ i then can close a rectification module at least.Herein, the electric current allowance of i for guaranteeing that the power devices system reliability is provided with, the span of i is recommended as 5A～10A, however the present invention this span is not limited, those skilled in the art can decide according to concrete condition.
The current rectification module quantity of work that needs is [I
L/ I
R+ c]+1.If current rectification module quantity of working is less than [I
L/ I
R+ c]+1, then need to open a rectification module.Herein, [I
L/ I
R+ c] expression is no more than I
L/ I
RThe maximum integer of+c, c is the allowance that be to guarantee that the power devices system reliability is provided with, the span of c is recommended as 0.2～04, however the present invention this span is not limited, those skilled in the art can decide according to concrete condition.For example: suppose that the maximum current that each rectification module can provide is I
R=20A, the total load current I that obtains according to data in the time window
LBe 1～15A, c=0.2, the current rectification module quantity of work that needs is [I
L/ I
R+ c]+1=1; Suppose that the maximum current that each rectification module can provide is I
R=20A, the total load current I that obtains according to data in the time window
LBe 16A, c=0.2, the current rectification module quantity of work that needs is [I
L/ I
R+ c]+1=2.Herein, I
LDuring for 16A, 1 module also can be born, but because the existence of c has increased reliability, becomes 2 module work in advance.
Seeing also Fig. 6 is the power devices system diagram of adjusting communication apparatus electric power system power output by the checkout equipment electric current provided by the invention.
This power devices system comprises power management subsystem 100, rectification module 200, storage battery 300 and transducer 400.
Computing unit, the number of the rectification module that calculating need be closed or open; Control unit is used to control the rectification module of closing or open respective number.
Computing unit is according to the electric current of sensor passes, and promptly the detected value of communication apparatus operating current demand and storage battery 300 charging currents calculates and need open or close the rectification module number; Control unit is used for the result of calculation according to the computing unit feedback, close or open the rectification module of respective number by control signal, promptly close rectification module (N+1) successively, rectification module (N), rectification module (N-1) etc., or open rectification module (N-1) successively, rectification module (N), rectification module (N+1).
The method of the rectification module quantity that described calculating need be opened or close is with reference to the explanation of the described method of Fig. 3 to respective algorithms.
Seeing also Fig. 7, is that power management subsystem provided by the invention is embedded in rectification module and the communication apparatus, real-time checkout equipment electric current, the power devices system diagram of adjustment output power of power supply.
This power devices system comprises: power management subsystem, rectification module 200, transducer 400; Wherein power management subsystem comprises main control unit and controlled unit.
In this system, power management subsystem PMU is embedded in rectification module and the communication apparatus, as shown in the figure: PMU (0) is that main control unit is embedded in the communication apparatus, PMU (1)～PMU (N+1) is controlled unit, and PMU (1)～PMU (N+1) is embedded in respectively in rectification module (1)～rectification module (N+1).
Main control unit comprises: computing unit and control unit.Computing unit is used to calculate the number of the rectification module that need close or open; Control unit is used to control the rectification module of closing or open respective number.
Computing unit is according to the electric current of sensor passes, and promptly the detected value of communication apparatus operating current demand and storage battery 300 charging currents calculates and need open or close the rectification module number; Control unit is used for the result of calculation according to the computing unit feedback, close or open the rectification module of respective number by control signal, promptly close rectification module (N+1) successively, rectification module (N), rectification module (N-1) etc., or open rectification module (N-1) successively, rectification module (N), rectification module (N+1).
The method of the rectification module quantity that described calculating need be opened or close is with reference to the explanation of the described method of Fig. 3 to respective algorithms.
The preferred embodiment of system of the present invention below is provided, among this embodiment, the algorithm of the time window that adopts in the algorithm of power management subsystem according to communication apparatus current data throughput control On/Off rectification module guarantees the power devices stability of a system, avoids the output change frequent with the real-time change of electric current of power devices system.
Seeing also Fig. 8, is the power devices system diagram of adjusting power devices system power output by the checkout equipment data throughout provided by the invention.
This electric power system comprises: power management subsystem 100, rectification module 200 and storage battery 300.
The interior at certain time intervals data throughout that communication apparatus is reported of sampling unit is sampled; Identifying unit is according to the sampled data of sampling unit feedback, with the data throughout corresponding current, whether judge needs to control the unlatching of rectification module or close, if need, be transmitted to computing unit then with device data throughput corresponding device operating current, and with the communication apparatus operating current; Computing unit calculates the number of the rectification module that needs work according to the communication apparatus operating current; Control unit is according to the result of calculation of computing unit feedback, close or open the rectification module of respective number by control signal, promptly close rectification module (N+1) successively, rectification module (N), rectification module (N-1) etc., or open rectification module (N-1) successively, rectification module (N), rectification module (N+1).
Below provide native system to judge whether need to open or close the method for rectification module and calculate the current method that needs to open rectification module quantity according to the communication apparatus data throughout according to the communication apparatus data throughout.
Because the data throughout of communication apparatus is a real-time change,, can not adjust the power devices system in real time according to the real-time change of data throughout for guaranteeing the power devices stability of a system.The present invention sets a time window, according to the opportunity of the recently definite adjustment power devices of the data throughout percentage in time window system, data throughout percentage is represented with the current sampled value and the peaked percentage form of communication apparatus data throughout of communication apparatus data throughout.Current sampled value is that power management subsystem (depends on concrete device characteristics, flow size etc. to the current data throughput that communication apparatus reports in certain time interval; Device characteristics are excellent, and flow is big, then the time interval little, otherwise large interval then) sample, obtain current sampled value.
As shown in Figure 5, among the figure 75%, 70%.......33%, the current data throughout percentage of 36% expression communication apparatus, power management subsystem is once sampled to the data throughout percentage of communication apparatus every certain sampling time interval Δ t (being generally 10～30 minutes), collect 70% in the time window 1,55%, 63% 3 data, promptly respectively at t-Δ t, t, t+ Δ t gathers communication apparatus current data throughput percentage, position when time window to 2, it is time window 2, collect 42%, 40%, 33%, acquisition time is respectively at t+5 Δ t, t+6 Δ t, t+7 Δ t, power management subsystem is kept at the form of image data with formation in the memory space of allocating in advance.
Identifying unit to the sampled data in the current time window average with previous time window in sampled data mean value relatively, obtain the variable quantity of data throughout percentage mean value, the variable quantity of mean value is transformed into the electric current of representing with the percentage form (this corresponding relation is tested by experiment and obtained), when this value surpasses our preset threshold (ratio of the maximum current that the maximum current that each rectification module provides and all rectification modules provide), open or close rectification module.Time window is wide more, and the sampled data that comprises is just many more, and then the stationarity of power devices system adjustment is good, but real-time is poor; Time window is narrow more, and the sampled data that comprises is just few more, and then the stationarity of power devices system adjustment is poor, but real-time is good.
The mean value of percentage in the time window multiply by the maximum data throughput of communication apparatus, has just obtained the data throughout of current communication apparatus; According to data throughout, obtain corresponding communication apparatus operating current (this corresponding relation is tested by experiment and obtained) I
L
Suppose that the maximum current that each rectification module can provide is I
R, the number of modules of work at present is k, then the current maximum output current of power devices system is k * I
RIf k * I
R-I
LGreater than I
R+ i then can close a rectification module at least.Herein, the electric current allowance of i for guaranteeing that the power devices system reliability is provided with, the span of i is recommended as 5A～10A, however the present invention this span is not limited, those skilled in the art can decide according to concrete condition.
The current rectification module quantity of work that needs is [I
L/ I
R+ c]+1.If current rectification module quantity of working is less than [I
L/ I
R+ c]+1, then need to open a rectification module.Herein, [I
L/ I
R+ c] expression is no more than I
L/ I
RThe maximum integer of+c, c is the allowance that be to guarantee that the power devices system reliability is provided with, the span of c is recommended as 0.2～0.4, however the present invention this span is not limited, those skilled in the art can decide according to concrete condition.For example: suppose that the maximum current that each rectification module can provide is I
R=20A, the total load current I that obtains according to data in the time window
LBe 1～15A, c=0.2, the current rectification module quantity of work that needs is [I
L/ I
R+ c]+1=1; Suppose that the maximum current that each rectification module can provide is I
R=20A, the total load current I that obtains according to data in the time window
LBe 16A, c=0.2, the current rectification module quantity of work that needs is [I
L/ I
R+ c]+1=2.Herein, I
LDuring for 16A, 1 module also can be born, but because the existence of c has increased reliability, becomes 2 module work in advance.
Seeing also Fig. 9, is that power management subsystem provided by the invention is embedded in rectification module and the communication apparatus, real-time checkout equipment data throughout, the power devices system diagram of adjustment output power of power supply.
This system comprises power management subsystem, rectification module 200, and wherein power management subsystem comprises: main control unit and controlled unit.
In this power devices system, power management subsystem PMU is embedded in rectification module and the communication apparatus, as shown in the figure: PMU (0) is that main control unit is embedded in the communication apparatus, PMU (1)～PMU (N+1) is controlled unit, and PMU (1)～PMU (N+1) is embedded in respectively in rectification module (1)～rectification module (N+1).
Main control unit comprises: sampling unit, identifying unit, computing unit, control unit.Sampling unit is used to obtain the state of the current operation of equipment; Identifying unit is used for judging whether need to open or close rectification module; Computing unit is used to calculate the number of the rectification module that need close or open; Control unit is used to control the rectification module of closing or open respective number.
The interior at certain time intervals data throughout that communication apparatus is reported of sampling unit is sampled; Identifying unit, whether according to the sampled data of sampling unit feedback, judging needs to open or close rectification module, if need, is transmitted to computing unit then with the corresponding communication apparatus operating current of communication apparatus data throughout, and with the communication apparatus operating current; Computing unit calculates the number of the rectification module that needs work according to the communication apparatus operating current; Control unit is according to the result of calculation of computing unit feedback, by serial bus control PMU (1)～PMU (N+1) to close or to open the rectification module of respective number, promptly close rectification module (N+1) successively, rectification module (N), rectification module (N-1) etc., or open rectification module (N-1) successively, rectification module (N), rectification module (N+1).
Whether described judgement needs to open or close the method for rectification module and calculates the current method of unlatching rectification module quantity that needs with reference to the explanation of the described method of Fig. 4 to respective algorithms.
More than the method and system of a kind of power devices provided by the present invention are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. the method for a power devices is characterized in that, comprises step:
1) the operating current state of checkout equipment;
2), calculate the number of the rectification module that needs unlatching or close according to the equipment work electric current;
3) close or open the rectification module of respective number.
2. the method for power devices according to claim 1, it is characterized in that, described step 2) electric current that work at present rectification module number and single rectification module provide in multiplies each other, the long-pending equipment work electric current that deducts of gained, if the electric current that the gained difference provides greater than single rectification module and allowance with, then close a rectification module at least.
3. the method for power devices according to claim 2 is characterized in that, described allowance scope is 5 amperes to 10 amperes.
4. the method for power devices according to claim 1, it is characterized in that, the merchant of the maximum current that equipment work electric current and single rectification module provide described step 2) again with allowance with add one, drawing needs the rectification module of work number, if the rectification module number of work at present is then opened a rectification module at least less than this number.
5. the method for power devices according to claim 4 is characterized in that, described allowance scope is 0.2 to 0.4.
6. the method for a power devices is characterized in that, comprising: the 1) data throughout of checkout equipment;
2) according to the communication apparatus data throughout, whether need control the unlatching of rectification module or close, if need, then with device data throughput corresponding device operating current, enter step 3) if judging;
3) calculate the rectification module number that needs unlatching or close;
4) close or open the rectification module of respective number.
7. the method for power devices according to claim 6 is characterized in that, judges whether need to control the unlatching of rectification module or close by the time window algorithm in the described step 3).
8. a power devices system is characterized in that, comprising:
Power management subsystem is used for according to equipment running status, controls the unlatching of rectification module or closes the power output with adjustment power devices system;
Rectification module is used for changing alternating current into direct current, as the power devices of exporting to of described system.Described power management subsystem comprises:
Computing unit is used for calculating according to the equipment work electric current number of the rectification module that needs close or open;
Control unit is used for the result of calculation according to the computing unit feedback, closes or open the rectification module of respective number.
9. a power devices system is characterized in that, comprising:
Power management subsystem is used for according to equipment running status, controls the unlatching of rectification module or closes the power output with adjustment power devices system;
Rectification module is used for changing alternating current into direct current, as the power devices of exporting to of described system;
Described power management subsystem comprises: sampling unit is used to obtain the device data throughput;
Identifying unit is used to obtain the sampling unit feedback data, and whether judge needs to open or close rectification module, if need, be transmitted to computing unit then with device data throughput corresponding device operating current, and with the equipment work electric current;
Computing unit is used for calculating according to the equipment work electric current number of the rectification module that needs close or open;
Control unit is used for the result of calculation according to the computing unit feedback, closes or open the rectification module of respective number.
10. a power devices system is characterized in that, comprising: power management subsystem, be used for according to equipment running status, and control the unlatching of rectification module or close power output with adjustment power devices system;
Rectification module is used for changing alternating current into direct current, as the power devices of exporting to of described system;
Described power management subsystem comprises main control unit and at least one controlled unit; Described main control unit obtains equipment running status, and closes or open rectification module by controlled unit; Described main control unit comprises:
Sampling unit is used to obtain the device data throughput;
Identifying unit is used to obtain the sampling unit feedback data, and whether judge needs to open or close rectification module, if need, be transmitted to computing unit then with device data throughput corresponding device operating current, and with the equipment work electric current;
Computing unit is used for calculating according to the equipment work electric current number of the rectification module that needs close or open;
Control unit is used for the result of calculation according to the computing unit feedback, closes or open the rectification module of respective number.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610083744XA CN100388588C (en) | 2006-06-01 | 2006-06-01 | Method and system for power supply device |
| PCT/CN2007/000998 WO2007137474A1 (en) | 2006-06-01 | 2007-03-28 | Equipment feeding method and its power system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB200610083744XA CN100388588C (en) | 2006-06-01 | 2006-06-01 | Method and system for power supply device |
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| CN1967963A CN1967963A (en) | 2007-05-23 |
| CN100388588C true CN100388588C (en) | 2008-05-14 |
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| CNB200610083744XA Active CN100388588C (en) | 2006-06-01 | 2006-06-01 | Method and system for power supply device |
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| WO (1) | WO2007137474A1 (en) |
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| CN101442217B (en) * | 2007-11-22 | 2011-05-25 | 艾默生网络能源系统北美公司 | Method for controlling communication power supply |
| CN101369733B (en) * | 2008-06-25 | 2011-09-28 | 艾默生网络能源系统北美公司 | Electric power system |
| CN102318200A (en) | 2009-02-17 | 2012-01-11 | 华为技术有限公司 | Method and apparatus for managing power supply and power supply system |
| CN101833365B (en) | 2009-03-09 | 2011-09-14 | 华为技术有限公司 | Single board energy saving device, method and single board |
| CN101917008B (en) * | 2010-07-29 | 2014-11-05 | 中兴通讯股份有限公司 | Method and device for improving specific proportion load efficiency of power source |
| CN102770824B (en) * | 2012-05-14 | 2014-04-16 | 华为技术有限公司 | Device and method for system power supply management and system with function of power source energy saving management |
| CN102684279A (en) * | 2012-05-16 | 2012-09-19 | 中国联合网络通信集团有限公司 | Base station power supply control system and power supply control method |
| KR102251992B1 (en) * | 2014-02-28 | 2021-05-14 | 삼성전자주식회사 | Method for controlling current and electronic device |
| CN106908652A (en) * | 2017-04-26 | 2017-06-30 | 广东美的制冷设备有限公司 | Current monitoring device and current adjusting device |
| CN115347650B (en) * | 2022-10-18 | 2022-12-13 | 为准（北京）电子科技有限公司 | Power supply method, device, equipment and medium based on voltage adjustment of detection equipment |
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| Publication number | Publication date |
|---|---|
| CN1967963A (en) | 2007-05-23 |
| WO2007137474A1 (en) | 2007-12-06 |
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