CN103208838A - Power supply control method and device - Google Patents
Power supply control method and device Download PDFInfo
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- CN103208838A CN103208838A CN2013101051133A CN201310105113A CN103208838A CN 103208838 A CN103208838 A CN 103208838A CN 2013101051133 A CN2013101051133 A CN 2013101051133A CN 201310105113 A CN201310105113 A CN 201310105113A CN 103208838 A CN103208838 A CN 103208838A
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Abstract
The invention discloses a power supply control method and a power supply control device. The method comprises the following steps of: detecting the current voltage of a storage battery, wherein power is supplied to the storage battery by a first power supply and a second power supply; determining the current state of the storage battery according to the detected current voltage of the storage battery; and adjusting power supply voltage of the second power supply which supplies the power to the storage battery according to the current state of the storage battery. By the power supply control method and the power supply control device, the voltage of the storage battery is detected, the working state of the storage battery is judged, and the power supply voltage of the second power supply which supplies the power to the storage battery is adjusted, so that the state of the storage battery charged and discharged by the original power supply system can be kept, the management of the storage battery by the original power supply system is not changed, and the second power supply is added to supply the power to the storage battery.
Description
Technical field
The present invention relates to the power supply technique field, be specifically related to a kind of method for controlling power supply and device.
Background technology
Radio communication is popularized fast in recent years, need provide power supply for a large amount of radio communication base stations, and wherein most radio communication base stations are by civil power or diesel-electric set electric supply.Before 5 years, the critical piece photovoltaic solar power generation plate price of solar energy is too high, has hindered the application of solar energy, and in recent years, particularly 2011, photovoltaic solar power generation plate price descended 40%, greatly reduced the application cost of solar energy.
Existing technical scheme of powering at original power-supply system stack solar energy, need be by communicating by letter with original power-supply system, obtain the voltage status of storage battery indirectly from original power-supply system, supply power voltage with the control accumulators, and the solar energy of stack has been intervened the power management of original power-supply system, makes the power supply management complexity.
The power supply control scheme that the power supply management that can directly obtain the voltage status of storage battery and not change original power-supply system is not arranged in the prior art in sum, as yet.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of method for controlling power supply and device, be used for to solve the voltage status that can not directly obtain storage battery that prior art exists and needs to change the problem of the power supply management of original power-supply system.
First aspect provides a kind of power supply control apparatus, comprising:
The battery tension detection module connects storage battery, and for detection of the current voltage of described storage battery, described storage battery is by first power supply and second source power supply;
The second source control module, connect described battery tension detection module, be used for the current voltage according to detected described storage battery, judge described storage battery present located state, and according to described storage battery present located state, sending and adjusting described second source is the control command of described battery-driven supply power voltage.
In first kind of possible implementation, described device also comprises:
Power transfer module connects described second source and described second source control module, is used for receiving the control command of described second source control module, and adjusting described second source is described battery-driven supply power voltage.
In conjunction with first kind of first aspect possible implementation, in second kind of possible implementation, described device also comprises:
Output control module connects described power transfer module, described second source control module and described storage battery, is used for the output of the described second source of control.
In conjunction with second kind of first aspect possible implementation, in the third possible implementation, described device also comprises:
The accessory power supply module, connect described second source and described battery tension detection module, second source control module, power transfer module and output control module, be used to described battery tension detection module, second source control module, power transfer module and output control module that operating voltage is provided.
In conjunction with second kind of possible implementation of first kind of first aspect or first aspect possible implementation or first aspect or the third possible implementation of first aspect, in the 4th kind of possible implementation, described second source is sun-generated electric power.
Second aspect provides a kind of method for controlling power supply, comprising:
Detect the current voltage of storage battery, described storage battery is by first power supply and second source power supply;
According to the current voltage of detected described storage battery, judge described storage battery present located state;
According to described storage battery present located state, adjusting described second source is described battery-driven supply power voltage.
In first kind of possible implementation, described current voltage according to detected storage battery is judged described storage battery present located state, comprising:
When the current voltage of described storage battery is less than or equal to first voltage setting value, judge that described storage battery present located state is discharge condition;
When the current voltage of described storage battery greater than described first voltage setting value and when being less than or equal to second voltage setting value, judge that described storage battery present located state is floating charge state;
When the current voltage of described storage battery during greater than described second voltage setting value, judge that described storage battery present located state is for all filling state.
In conjunction with first kind of second aspect possible implementation, in second kind of possible implementation, described according to described storage battery present located state, adjusting described second source is described battery-driven supply power voltage, comprising:
When described storage battery present located state is discharge condition, control described second source with the current voltage of described storage battery and on the occasion of the voltage of incremental voltage with to described storage battery power supply.
In conjunction with first kind of second aspect possible implementation, in the third possible implementation, described according to described storage battery present located state, adjusting described second source is described battery-driven supply power voltage, comprising:
When described storage battery present located state is floating charge state, control described second source in first setting-up time with the current voltage of described storage battery with on the occasion of the voltage of incremental voltage with give described storage battery power supply; And
When arriving described first setting-up time for the described battery-driven time, control described second source supply power voltage with described first voltage setting value in second setting-up time and give described storage battery power supply.
In conjunction with first kind of second aspect possible implementation, in the 4th kind of possible implementation, described according to described storage battery present located state, adjusting described second source is described battery-driven supply power voltage, comprising:
When described storage battery present located state when all filling state, control described second source in the 3rd setting-up time with the current voltage of described storage battery with on the occasion of the voltage of incremental voltage with give described storage battery power supply; And
When arriving described the 3rd setting-up time for the described battery-driven time, control described second source supply power voltage with described first voltage setting value in the 4th setting-up time and give described storage battery power supply.
Adopt the technical scheme of a kind of method for controlling power supply provided by the invention and device, by detecting the voltage of storage battery, judge the residing operating state of storage battery, adjust the supply power voltage of second source accumulators, make and to follow original power-supply system to the charging and discharging of accumulator state, do not change original power-supply system to the management of storage battery, increase the power supply of second source accumulators.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of a kind of power supply control apparatus of the present invention;
Fig. 2 is the structural representation to the further refinement of embodiment of a kind of power supply control apparatus of the present invention shown in Figure 1;
Fig. 3 is the method flow diagram of the embodiment of a kind of method for controlling power supply of the present invention;
Fig. 4 is the method flow diagram to the further refinement of the embodiment of a kind of method for controlling power supply of the present invention shown in Figure 3.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Fig. 1 is the structural representation of the embodiment of a kind of power supply control apparatus of the present invention.As shown in Figure 1, power supply control apparatus 1000 is connected between second source 101 and the storage battery 102, and storage battery 102 also connects the first power supply (not shown), and this power supply control apparatus 1000 comprises:
Battery tension detection module 103 connects storage battery, and for detection of the current voltage of described storage battery, described storage battery is by first power supply and second source power supply.
Second source control module 104, connect described battery tension detection module, be used for the current voltage according to detected described storage battery, judge described storage battery present located state, and according to described storage battery present located state, sending and adjusting described second source is the control command of described battery-driven supply power voltage.
In the present embodiment, first power supply such as civil power or diesel generating set are storage battery 102 power supplies, storage battery 102 provides power supply for load such as communication base station, simultaneously, first power supply carries out management of charging and discharging to storage battery 102, and the charging and discharging of accumulator management has all fills management, float management, discharge management, like this, in the different battery management stages, the total voltage of storage battery just changes.
On the basis of first power supply accumulators power supply, increase by 102 power supplies of second source 101 accumulators, second source 101 can be solar energy, second source 101 needs to cooperate because of in the different battery management stages, the total voltage of batteries changes, the output of control sun-generated electric power is preferentially by solar powered.Therefore, between second source 101 and storage battery 102, power supply control apparatus 1000 is set.
Power supply control apparatus 1000 comprises battery tension detection module 103 and second source control module 104, wherein, battery tension detection module 103 connects storage battery 102, detect the current voltage of storage battery 102, second source control module 104 connects battery tension detection module 103, second source control module 104 is according to the current voltage of detected storage battery 102, judge storage battery 102 present located states, storage battery present located state has discharge condition, floating charge state and all fill state, second source control module 104 is according to storage battery 102 present located states, follow first power supply to the charging and discharging of accumulator state, send and adjust the control command that second source 101 is the supply power voltage of storage battery 102 power supplies, and the supply power voltage that second source 101 is adjusted in control exceeds certain incremental voltage than the current voltage of storage battery, makes and can preferentially utilize second source to be storage battery power supply.
A kind of power supply control apparatus that provides according to the embodiment of the invention, by detecting the voltage of storage battery, judge the residing operating state of storage battery, adjust the supply power voltage of second source accumulators, make and to follow original power-supply system to the charging and discharging of accumulator state, do not change original power-supply system to the management of storage battery, increase the power supply of second source accumulators.
Fig. 2 is the structural representation to the further refinement of embodiment of a kind of power supply control apparatus of the present invention shown in Figure 1.As shown in Figure 2, power supply control apparatus 2000 is connected between second source 201 and the storage battery 202, and storage battery 202 also connects the first power supply (not shown), and this power supply control apparatus 2000 comprises:
Accessory power supply module 203, connect described second source and described battery tension detection module, second source control module, power transfer module and output control module, be used to described battery tension detection module, second source control module, power transfer module and output control module that operating voltage is provided.
Battery tension detection module 204 connects storage battery, and for detection of the current voltage of described storage battery, described storage battery is by first power supply and second source power supply.
Second source control module 205, connect described battery tension detection module, be used for the current voltage according to detected described storage battery, judge described storage battery present located state, and according to described storage battery present located state, sending and adjusting described second source is the control command of described battery-driven supply power voltage.
In the present embodiment, first power supply such as civil power or diesel generating set are storage battery 202 power supplies, storage battery 202 provides power supply for load such as communication base station, simultaneously, first power supply carries out management of charging and discharging to storage battery 202, and the charging and discharging of accumulator management has all fills management, float management, discharge management, like this, in the different battery management stages, the total voltage of storage battery just changes.
On the basis of first power supply accumulators power supply, increase by 202 power supplies of second source 201 accumulators, second source 201 can be solar energy, second source 201 needs to cooperate because of in the different battery management stages, the total voltage of storage battery changes, the output of control sun-generated electric power is preferentially by solar powered.Therefore, between second source 201 and storage battery 202, power supply control apparatus 2000 is set.
Power supply control apparatus 2000 comprises accessory power supply module 203, battery tension detection module 204, second source control module 205, power transfer module 206 and output control module 207.
Wherein, accessory power supply module 203 connects other module of second source 201 and power supply control apparatus 2000, and second source 201 is converted to direct current, operating voltage is provided for other module of power supply control apparatus 2000.Because accessory power supply module 203 connects second source 201, so, when second source 201 is solar energy, has only and work as by the solar time, accessory power supply module 203 provides operating voltage could for other module of power supply control apparatus 2000, and second source 201 could accumulators 202 power supplies.
Battery tension detection module 204 connects storage battery 202, detects the current voltage of storage battery 202; Second source control module 205 connects battery tension detection module 204, second source control module 205 is according to the current voltage of detected storage battery 202, judge storage battery 202 present located states, storage battery present located state has discharge condition, floating charge state and all fill state, second source control module 205 is according to storage battery 202 present located states, follow first power supply to the charging and discharging of accumulator state, send and adjust the control command that second source 201 is the supply power voltage of storage battery 202 power supplies, and the supply power voltage that second source 201 is adjusted in control exceeds certain incremental voltage than the current voltage of storage battery, making preferentially to utilize second source to be storage battery power supply, second source control module 205 is sent the power supply conversion command to power transfer module 206, and second source control module 205 is sent to output control module 207 and opened or turn-off order.
What output control module received second source control module 205 opens or turn-offs order, opens or turn-off the power supply to storage battery 202.
A kind of power supply control apparatus that provides according to the embodiment of the invention, by detecting the voltage of storage battery, judge the residing operating state of storage battery, adjust the supply power voltage of second source accumulators, make and to follow original power-supply system to the charging and discharging of accumulator state, do not change original power-supply system to the management of storage battery, increase the power supply of second source accumulators, and can preferentially utilize second source to power.
Fig. 3 is the method flow diagram of the embodiment of a kind of method for controlling power supply of the present invention.As shown in Figure 3, this method may further comprise the steps:
Step S101, the current voltage of detection storage battery, described storage battery is by first power supply and second source power supply.
Step S102 according to the current voltage of detected described storage battery, judges described storage battery present located state.
Step S103, according to described storage battery present located state, adjusting described second source is described battery-driven supply power voltage.
In the present embodiment, first power supply such as civil power or diesel generating set are storage battery power supply, storage battery provides power supply for load such as communication base station, simultaneously, first power supply carries out management of charging and discharging to storage battery, and the charging and discharging of accumulator management has all fills management, float management, discharge management, like this, in the different battery management stages, the total voltage of storage battery just changes.On the basis of first power supply accumulators power supply, increase the power supply of second source accumulators, second source can be solar energy.
By detecting the current voltage of storage battery, current voltage according to detected storage battery, judge storage battery present located state, then, according to storage battery present located state, adjusting second source is battery-driven supply power voltage, second source is cooperated because of in the different battery management stages, the total voltage of storage battery changes, the output of control second source, and the supply power voltage of adjusting second source exceeds certain incremental voltage than the current voltage of storage battery, makes and can preferentially utilize second source to be storage battery power supply.
A kind of method for controlling power supply that provides according to the embodiment of the invention, by detecting the voltage of storage battery, judge the residing operating state of storage battery, adjust the supply power voltage of second source accumulators, make and to follow original power-supply system to the charging and discharging of accumulator state, do not change original power-supply system to the management of storage battery, increase the power supply of second source accumulators.
Fig. 4 is the method flow diagram to the further refinement of the embodiment of a kind of method for controlling power supply of the present invention shown in Figure 3.As shown in Figure 4, this method may further comprise the steps:
Step S200, the current voltage V of detection storage battery
BAT
In the present embodiment, first power supply such as civil power or diesel generating set are storage battery power supply, storage battery provides power supply for load such as communication base station, simultaneously, first power supply carries out management of charging and discharging to storage battery, and the charging and discharging of accumulator management has all fills management, float management, discharge management, like this, in the different battery management stages, the total voltage of storage battery just changes.On the basis of first power supply accumulators power supply, increase the power supply of second source accumulators, second source can be solar energy.
In this step, detect the current voltage V of storage battery
BAT, can follow first power supply to the management of storage battery, detect the virtual voltage of storage battery.
Step S201 judges the current voltage V of storage battery
BATWhether smaller or equal to V
Float, be then to go to step S202; Otherwise, go to step S203.
In this step, according to the characteristic of storage battery, judge the current voltage V of storage battery
BATWhether smaller or equal to V
Float, if judge that then storage battery present located state is discharge condition, if the current voltage V of storage battery
BATBe not below or equal to V
Float, then go to step S203 and proceed to judge.
Step S202, the output voltage of control second source is V
BAT+ Δ V.
According to the judgement of step S201, storage battery present located state is discharge condition, and the output voltage of control second source is V
BAT+ Δ V, wherein, Δ V〉0, Δ V is for preferentially utilizing the second source deviant.
Step S203 judges the current voltage V of storage battery
BATWhether greater than V
FloatAnd smaller or equal to V
Boost, be then to go to step S204; Otherwise, go to step S207.
In this step, judge the current voltage V of storage battery
BATWhether greater than V
FloatAnd smaller or equal to V
Boost, if, judge that then storage battery present located state is floating charge state, otherwise, go to step S207 and proceed to judge.
Step S204, the output voltage of control second source is V
BAT+ Δ V.
Step S205 judges that whether the cumulative time is less than T
Float, if then go to step S204, otherwise go to step S206.
According to the judgement of step S203, storage battery present located state is floating charge state, and the output voltage of control second source is V
BAT+ Δ V, wherein, Δ V〉0, and whether the calculating power-on time exceeds T
FloatIf power-on time exceeds T
Float, then go to step S206.
Step S206, the output voltage of second source are V
Float, and duration T
Wait1
Reach T when the time
Float, the output voltage of control second source is V
FloatAnd lasting setting-up time T
Wait1, the voltage of storage battery is stabilized to the output voltage of former power supply.
Step S207 judges the current voltage V of storage battery
BATWhether greater than V
Boost, be, then go to step S208, otherwise, go to step S200.
In this step, judge the current voltage V of storage battery
BATWhether greater than V
Boost, if then storage battery present located state goes to step S208 for all filling state, otherwise, go to step S200, detect the current voltage of storage battery again.
Step S208, the output voltage of second source are V
BAT+ Δ V.
Step S209 judges that whether the cumulative time is less than T
BoostIf,, then go to step S208; Otherwise, go to step S210.
Step S210, the output voltage of second source are V
Float, and duration T
Wait2
Storage battery is in when all filling state, and the output voltage of control second source is battery tension V
BAT+ ⊿ V, wherein, Δ V〉0.Start the clock simultaneously, judge that whether the cumulative time is less than set point T
BoostReach set point T when the time
Boost, the supply power voltage of control second source is Vfloat, and lasting setting-up time T
Wait2, the voltage of storage battery is stabilized to the output voltage of former power supply.
It should be noted that T
Wait1Can equal or be not equal to T
Wait2
A kind of method for controlling power supply that provides according to the embodiment of the invention, by detecting the voltage of storage battery, judge the residing operating state of storage battery, adjust the supply power voltage of second source accumulators, make and to follow original power-supply system to the charging and discharging of accumulator state, do not change original power-supply system to the management of storage battery, increase the power supply of second source accumulators, and can preferentially utilize second source to power.
Above disclosed is preferred embodiment of the present invention only, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (10)
1. a power supply control apparatus is characterized in that, comprising:
The battery tension detection module connects storage battery, and for detection of the current voltage of described storage battery, described storage battery is by first power supply and second source power supply;
The second source control module, connect described battery tension detection module, be used for the current voltage according to detected described storage battery, judge described storage battery present located state, and according to described storage battery present located state, sending and adjusting described second source is the control command of described battery-driven supply power voltage.
2. device as claimed in claim 1 is characterized in that, also comprises:
Power transfer module connects described second source and described second source control module, is used for receiving the control command of described second source control module, and adjusting described second source is described battery-driven supply power voltage.
3. device as claimed in claim 2 is characterized in that, also comprises:
Output control module connects described power transfer module, described second source control module and described storage battery, is used for the output of the described second source of control.
4. device as claimed in claim 3 is characterized in that, also comprises:
The accessory power supply module, connect described second source and described battery tension detection module, second source control module, power transfer module and output control module, be used to described battery tension detection module, second source control module, power transfer module and output control module that operating voltage is provided.
5. as any described device of claim 1-4, it is characterized in that described second source is sun-generated electric power.
6. a method for controlling power supply is characterized in that, comprising:
Detect the current voltage of storage battery, described storage battery is by first power supply and second source power supply;
According to the current voltage of detected described storage battery, judge described storage battery present located state;
According to described storage battery present located state, adjusting described second source is described battery-driven supply power voltage.
7. method as claimed in claim 6 is characterized in that, described current voltage according to detected storage battery is judged described storage battery present located state, comprising:
When the current voltage of described storage battery is less than or equal to first voltage setting value, judge that described storage battery present located state is discharge condition;
When the current voltage of described storage battery greater than described first voltage setting value and when being less than or equal to second voltage setting value, judge that described storage battery present located state is floating charge state;
When the current voltage of described storage battery during greater than described second voltage setting value, judge that described storage battery present located state is for all filling state.
8. method as claimed in claim 7 is characterized in that, described according to described storage battery present located state, adjusting described second source is described battery-driven supply power voltage, comprising:
When described storage battery present located state is discharge condition, control described second source with the current voltage of described storage battery and on the occasion of the voltage of incremental voltage with to described storage battery power supply.
9. method as claimed in claim 7 is characterized in that, described according to described storage battery present located state, adjusting described second source is described battery-driven supply power voltage, comprising:
When described storage battery present located state is floating charge state, control described second source in first setting-up time with the current voltage of described storage battery with on the occasion of the voltage of incremental voltage with give described storage battery power supply; And
When arriving described first setting-up time for the described battery-driven time, control described second source supply power voltage with described first voltage setting value in second setting-up time and give described storage battery power supply.
10. method as claimed in claim 7 is characterized in that, described according to described storage battery present located state, adjusting described second source is described battery-driven supply power voltage, comprising:
When described storage battery present located state when all filling state, control described second source in the 3rd setting-up time with the current voltage of described storage battery with on the occasion of the voltage of incremental voltage with give described storage battery power supply; And
When arriving described the 3rd setting-up time for the described battery-driven time, control described second source supply power voltage with described first voltage setting value in the 4th setting-up time and give described storage battery power supply.
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| CN103208838B (en) | 2015-06-17 |
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