CN103208838B - Power supply control method and device - Google Patents
Power supply control method and device Download PDFInfo
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- CN103208838B CN103208838B CN201310105113.3A CN201310105113A CN103208838B CN 103208838 B CN103208838 B CN 103208838B CN 201310105113 A CN201310105113 A CN 201310105113A CN 103208838 B CN103208838 B CN 103208838B
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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 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, and need for a large amount of radio communication base stations provides power supply, wherein most radio communication base station is 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, hinders the application of solar energy, and in recent years, particularly 2011, photovoltaic solar power generation plate prices 40%, greatly reduced the application cost of solar energy.
The existing technical scheme superposing solar energy and carry out powering in original power-supply system, need by communicating with original power-supply system, the voltage status of storage battery is indirectly obtained from original power-supply system, to control the supply power voltage of accumulators, and the solar energy of superposition has intervened the power management of original power-supply system, make power supply management complicated.
In sum, the voltage status that directly can obtain storage battery is not yet had in prior art and a power supply control scheme not changing the power supply management of original power-supply system.
Summary of the invention
In view of this, embodiments provide a kind of method for controlling power supply and device, for solving the voltage status that directly can not obtain storage battery that prior art also exists and needing the problem of the power supply management changing original power-supply system.
First aspect, provides a kind of power supply control apparatus, comprising:
Battery tension detection module, connect storage battery, for detecting the current voltage of described storage battery, described storage battery is powered by the first power supply and second source;
Second source control module, connect described battery tension detection module, for the current voltage according to the described storage battery detected, judge the current residing state of described storage battery, and according to the current residing state of described storage battery, send the control command that the described second source of adjustment is described battery-driven supply power voltage.
In the implementation that the first is possible, described device also comprises:
Power transfer module, connects described second source and described second source control module, and for receiving the control command of described second source control module, adjusting described second source is described battery-driven supply power voltage.
In conjunction with the first possible implementation of first aspect, in the implementation that the second is possible, described device also comprises:
Output control module, connects described power transfer module, described second source control module and described storage battery, for controlling the output of described second source.
In conjunction with the implementation that the second of first aspect is possible, in the implementation that the third is possible, described device also comprises:
Auxiliary power module, connect described second source and described battery tension detection module, second source control module, power transfer module and output control module, for providing operating voltage for described battery tension detection module, second source control module, power transfer module and output control module.
In conjunction with the third possible implementation of first aspect or the first possible implementation of first aspect or the possible implementation of the second of first aspect or 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 powered by the first power supply and second source;
According to the current voltage of the described storage battery detected, judge the current residing state of described storage battery;
According to the current residing state of described storage battery, adjusting described second source is described battery-driven supply power voltage.
In the implementation that the first is possible, the current voltage of the storage battery that described basis detects, judges the current residing state of described storage battery, comprising:
When the current voltage of described storage battery is less than or equal to the first voltage setting value, judge that the current residing state of described storage battery is discharge condition;
When the current voltage of described storage battery is greater than described first voltage setting value and is less than or equal to the second voltage setting value, judge that the current residing state of described storage battery is floating charge state;
When the current voltage of described storage battery is greater than described second voltage setting value, judge that the current residing state of described storage battery is as all filling state.
In conjunction with the first possible implementation of second aspect, in the implementation that the second is possible, described according to the current residing state of described storage battery, adjusting described second source is described battery-driven supply power voltage, comprising:
When the current residing state of described storage battery is discharge condition, control described second source with the current voltage of described storage battery with the voltage on the occasion of incremental voltage with to described storage battery power supply.
In conjunction with the first possible implementation of second aspect, in the implementation that the third is possible, described according to the current residing state of described storage battery, adjusting described second source is described battery-driven supply power voltage, comprising:
When the current residing state of described storage battery is floating charge state, control described second source in the first setting-up time 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; And
When arriving described first setting-up time to described battery-driven time, control described second source in the second setting-up time with the supply power voltage of described first voltage setting value to described storage battery power supply.
In conjunction with the first possible implementation of second aspect, in the 4th kind of possible implementation, described according to the current residing state of described storage battery, adjusting described second source is described battery-driven supply power voltage, comprising:
When the current residing state of described storage battery is for all filling state, control described second source in the 3rd setting-up time 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; And
When arriving described 3rd setting-up time to described battery-driven time, control described second source in the 4th setting-up time with the supply power voltage of described first voltage setting value to 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 operating state residing for storage battery, the supply power voltage of adjustment second source accumulators, make it possible to follow the charging and discharging state of original power-supply system to storage battery, do not change the management of original power-supply system to storage battery, increase second source accumulators and power.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained 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 of the further refinement of embodiment to a kind of power supply control apparatus of the present invention shown in Fig. 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 of the further refinement of the embodiment to a kind of method for controlling power supply of the present invention shown in Fig. 3.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
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 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, connect storage battery, for detecting the current voltage of described storage battery, described storage battery is powered by the first power supply and second source.
Second source control module 104, connect described battery tension detection module, for the current voltage according to the described storage battery detected, judge the current residing state of described storage battery, and according to the current residing state of described storage battery, send the control command that the described second source of adjustment is described battery-driven supply power voltage.
In the present embodiment, first power supply such as civil power or diesel generating set are that storage battery 102 is powered, storage battery 102 provides power supply to load such as communication base station, simultaneously, first power supply carries out management of charging and discharging to storage battery 102, the management of charging and discharging of storage battery have all fill management, float management, electric discharge management, like this, in the different battery management stages, the total voltage of storage battery just changes.
On the basis that the first power supply accumulators is powered, increase second source 101 accumulators 102 to power, second source 101 can be solar energy, second source 101 needs to coordinate because of in the different battery management stages, the total voltage change of batteries, control the output of sun-generated electric power, preferentially by solar powered.Therefore, power supply control apparatus 1000 is set between second source 101 and storage battery 102.
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 the storage battery 102 detected, judge the current residing state of storage battery 102, the current residing state of storage battery has discharge condition, floating charge state and all fill state, second source control module 104 is according to the current residing state of storage battery 102, follow the charging and discharging state of the first power supply to storage battery, send the control command that adjustment second source 101 is the supply power voltage that storage battery 102 is powered, and the supply power voltage controlling adjustment second source 101 exceeds certain incremental voltage than storage battery current voltage, make it possible to preferentially utilize second source for storage battery power supply.
According to a kind of power supply control apparatus that the embodiment of the present invention provides, by detecting the voltage of storage battery, judge the operating state residing for storage battery, the supply power voltage of adjustment second source accumulators, make it possible to follow the charging and discharging state of original power-supply system to storage battery, do not change the management of original power-supply system to storage battery, increase second source accumulators and power.
Fig. 2 is the structural representation of the further refinement of embodiment to a kind of power supply control apparatus of the present invention shown in Fig. 1.As shown in Figure 2, power supply control apparatus 2000 is connected between second source 201 and storage battery 202, and storage battery 202 also connects the first power supply (not shown), and this power supply control apparatus 2000 comprises:
Auxiliary power module 203, connect described second source and described battery tension detection module, second source control module, power transfer module and output control module, for providing operating voltage for described battery tension detection module, second source control module, power transfer module and output control module.
Battery tension detection module 204, connect storage battery, for detecting the current voltage of described storage battery, described storage battery is powered by the first power supply and second source.
Second source control module 205, connect described battery tension detection module, for the current voltage according to the described storage battery detected, judge the current residing state of described storage battery, and according to the current residing state of described storage battery, send the control command that the described second source of adjustment is described battery-driven supply power voltage.
Power transfer module 206, connects described second source and described second source control module, and for receiving the control command of described second source control module, adjusting described second source is described battery-driven supply power voltage.
Output control module 207, connects described power transfer module, described second source control module and described storage battery, for controlling the output of described second source.
In the present embodiment, first power supply such as civil power or diesel generating set are that storage battery 202 is powered, storage battery 202 provides power supply to load such as communication base station, simultaneously, first power supply carries out management of charging and discharging to storage battery 202, the management of charging and discharging of storage battery have all fill management, float management, electric discharge management, like this, in the different battery management stages, the total voltage of storage battery just changes.
On the basis that the first power supply accumulators is powered, increase second source 201 accumulators 202 to power, second source 201 can be solar energy, second source 201 needs to coordinate because of in the different battery management stages, the total voltage change of storage battery, control the output of sun-generated electric power, preferentially by solar powered.Therefore, power supply control apparatus 2000 is set between second source 201 and storage battery 202.
Power supply control apparatus 2000 comprises auxiliary power module 203, battery tension detection module 204, second source control module 205, power transfer module 206 and output control module 207.
Wherein, auxiliary power module 203 connects other module of second source 201 and power supply control apparatus 2000, and second source 201 is converted to direct current, provides operating voltage to other module of power supply control apparatus 2000.Because auxiliary power module 203 connects second source 201, so, when second source 201 is solar energy, only has and work as by the solar time, auxiliary power module 203 provides operating voltage could to other module of power supply control apparatus 2000, and second source 201 could be powered by accumulators 202.
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 the storage battery 202 detected, judge the current residing state of storage battery 202, the current residing state of storage battery has discharge condition, floating charge state and all fill state, second source control module 205 is according to the current residing state of storage battery 202, follow the charging and discharging state of the first power supply to storage battery, send the control command that adjustment second source 201 is the supply power voltage that storage battery 202 is powered, and the supply power voltage controlling adjustment second source 201 exceeds certain incremental voltage than storage battery current voltage, make it possible to preferentially utilize second source for storage battery power supply, second source control module 205 sends Power convert order to power transfer module 206, second source control module 205 sends to output control module 207 and opens or turn off order.
Power transfer module 206 connects second source 201, second source control module 205 and output control module 207, power transfer module 206 receives the control command of second source control module 205, according to the supply power voltage that the accumulators adjusted to required by second source control module 205 is powered, second source 201 is converted to direct current, exports to output control module 207.
Output control module receives opening or turning off order of second source control module 205, opens or turn off the power supply to storage battery 202.
According to a kind of power supply control apparatus that the embodiment of the present invention provides, by detecting the voltage of storage battery, judge the operating state residing for storage battery, the supply power voltage of adjustment second source accumulators, make it possible to follow the charging and discharging state of original power-supply system to storage battery, do not change the management of original power-supply system to storage battery, increase second source accumulators and power, 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, the method comprises the following steps:
Step S101, detect the current voltage of storage battery, described storage battery is powered by the first power supply and second source.
Step S102, according to the current voltage of the described storage battery detected, judges the current residing state of described storage battery.
Step S103, according to the current residing state of described storage battery, 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 to load as communication base station provides power supply, simultaneously, first power supply carries out management of charging and discharging to storage battery, the management of charging and discharging of storage battery have all fill management, float management, electric discharge management, like this, in the different battery management stages, the total voltage of storage battery just changes.On the basis that the first power supply accumulators is powered, increase second source accumulators and power, second source can be solar energy.
By detecting the current voltage of storage battery, according to the current voltage of the storage battery detected, judge the current residing state of storage battery, then, according to the current residing state of storage battery, adjustment second source is battery-driven supply power voltage, second source can be made to coordinate because of in the different battery management stages, the total voltage change of storage battery, control the output of second source, and the supply power voltage adjusting second source exceeds certain incremental voltage than storage battery current voltage, make it possible to preferentially utilize second source for storage battery power supply.
According to a kind of method for controlling power supply that the embodiment of the present invention provides, by detecting the voltage of storage battery, judge the operating state residing for storage battery, the supply power voltage of adjustment second source accumulators, make it possible to follow the charging and discharging state of original power-supply system to storage battery, do not change the management of original power-supply system to storage battery, increase second source accumulators and power.
Fig. 4 is the method flow diagram of the further refinement of the embodiment to a kind of method for controlling power supply of the present invention shown in Fig. 3.As shown in Figure 4, the method comprises the following steps:
Step S200, detects the current voltage V of 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 to load as communication base station provides power supply, simultaneously, first power supply carries out management of charging and discharging to storage battery, the management of charging and discharging of storage battery have all fill management, float management, electric discharge management, like this, in the different battery management stages, the total voltage of storage battery just changes.On the basis that the first power supply accumulators is powered, increase second source accumulators and power, second source can be solar energy.
In this step, the current voltage V of storage battery is detected
bAT, the management of the first power supply to storage battery can be followed, detect the virtual voltage of storage battery.
Step S201, judges the voltage V that storage battery is current
bATwhether be less than or equal to V
float, be then go to step S202; Otherwise, go to step S203.
In this step, according to the characteristic of storage battery, judge the voltage V that storage battery is current
bATwhether be less than or equal to V
float, if so, then judge that the current residing state of storage battery is discharge condition, if the voltage V that storage battery is current
bATbe not below or equal to V
float, then go to step S203 and proceed to judge.
Step S202, the output voltage controlling second source is V
bAT+ Δ V.
According to the judgement of step S201, the current residing state of storage battery is discharge condition, and the output voltage controlling second source is V
bAT+ Δ V, wherein, Δ V>0, Δ V is for preferentially to utilize second source deviant.
Step S203, judges the voltage V that storage battery is current
bATwhether be greater than V
floatand be less than or equal to V
boost, be then go to step S204; Otherwise, go to step S207.
In this step, the voltage V that storage battery is current is judged
bATwhether be greater than V
floatand be less than or equal to V
boost, if so, then judge that the current residing state of storage battery is floating charge state, otherwise, go to step S207 and proceed to judge.
Step S204, the output voltage controlling second source is V
bAT+ Δ V.
Step S205, judges whether the cumulative time is less than T
float, if so, then go to step S204, otherwise go to step S206.
According to the judgement of step S203, the current residing state of storage battery is floating charge state, and the output voltage controlling second source is V
bAT+ Δ V, wherein, Δ V>0, and calculate power-on time and whether exceed T
float.If power-on time exceeds T
float, then S206 is gone to step.
Step S206, the output voltage of second source is V
float, and duration T
wait1.
T is reached when the time
float, the output voltage controlling second source is V
float.And continue setting-up time T
wait1, the voltage stabilization of storage battery is to the output voltage of former power supply.
Step S207, judges the voltage V that storage battery is current
bATwhether be greater than V
boost, be then go to step S208, otherwise, go to step S200.
In this step, the voltage V that storage battery is current is judged
bATwhether be greater than V
boost, if so, then the current residing state of storage battery is for all to fill state, goes to step S208, otherwise, go to step S200, again detect the current voltage of storage battery.
Step S208, the output voltage of second source is V
bAT+ Δ V.
Step S209, judges whether the cumulative time is less than T
boost, if so, then go to step S208; Otherwise, go to step S210.
Step S210, the output voltage of second source is V
float, and duration T
wait2.
When storage battery is in and all fills state, the output voltage controlling second source is battery tension V
bAT+ ⊿ V, wherein, Δ V>0.Start the clock simultaneously, judge whether the cumulative time is less than set point T
boost.Set point T is reached when the time
boost, the supply power voltage controlling second source is Vfloat, and continues setting-up time T
wait2, the voltage stabilization of storage battery is to the output voltage of former power supply.
It should be noted that T
wait1can equal or be not equal to T
wait2.
According to a kind of method for controlling power supply that the embodiment of the present invention provides, by detecting the voltage of storage battery, judge the operating state residing for storage battery, the supply power voltage of adjustment second source accumulators, make it possible to follow the charging and discharging state of original power-supply system to storage battery, do not change the management of original power-supply system to storage battery, increase second source accumulators and power, and can preferentially utilize second source to power.
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (10)
1. a power supply control apparatus, is characterized in that, comprising:
Battery tension detection module, connect storage battery, for detecting the current voltage of described storage battery, described storage battery is powered by the first power supply and second source;
Second source control module, connect described battery tension detection module, for the current voltage according to the described storage battery detected, judge the current residing state of described storage battery, and according to the current residing state of described storage battery, follow described first power supply to the charging and discharging state of described storage battery, send the control command that the described second source of adjustment is described battery-driven supply power voltage, the supply power voltage controlling the described second source of adjustment exceeds the incremental voltage of setting than described storage battery current voltage.
2. device as claimed in claim 1, is characterized in that, also comprise:
Power transfer module, connects described second source and described second source control module, and for receiving the control command of described second source control module, adjusting described second source is described battery-driven supply power voltage.
3. device as claimed in claim 2, is characterized in that, also comprise:
Output control module, connects described power transfer module, described second source control module and described storage battery, for controlling the output of described second source.
4. device as claimed in claim 3, is characterized in that, also comprise:
Auxiliary power module, connect described second source and described battery tension detection module, second source control module, power transfer module and output control module, for providing operating voltage for described battery tension detection module, second source control module, power transfer module and output control module.
5. the device as described in claim 1-4 any one, 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 powered by the first power supply and second source;
According to the current voltage of the described storage battery detected, judge the current residing state of described storage battery;
According to the current residing state of described storage battery, follow described first power supply to the charging and discharging state of described storage battery, adjusting described second source is described battery-driven supply power voltage, and the supply power voltage controlling the described second source of adjustment exceeds the incremental voltage of setting than described storage battery current voltage.
7. method as claimed in claim 6, is characterized in that, the current voltage of the storage battery that described basis detects, judges the current residing state of described storage battery, comprising:
When the current voltage of described storage battery is less than or equal to the first voltage setting value, judge that the current residing state of described storage battery is discharge condition;
When the current voltage of described storage battery is greater than described first voltage setting value and is less than or equal to the second voltage setting value, judge that the current residing state of described storage battery is floating charge state;
When the current voltage of described storage battery is greater than described second voltage setting value, judge that the current residing state of described storage battery is as all filling state.
8. method as claimed in claim 7, is characterized in that, described according to the current residing state of described storage battery, adjusting described second source is described battery-driven supply power voltage, comprising:
When the current residing state of described storage battery is discharge condition, control described second source with the current voltage of described storage battery with the voltage on the occasion of incremental voltage with to described storage battery power supply.
9. method as claimed in claim 7, is characterized in that, described according to the current residing state of described storage battery, adjusting described second source is described battery-driven supply power voltage, comprising:
When the current residing state of described storage battery is floating charge state, control described second source in the first setting-up time 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; And
When arriving described first setting-up time to described battery-driven time, control described second source in the second setting-up time with the supply power voltage of described first voltage setting value to described storage battery power supply.
10. method as claimed in claim 7, is characterized in that, described according to the current residing state of described storage battery, adjusting described second source is described battery-driven supply power voltage, comprising:
When the current residing state of described storage battery is for all filling state, control described second source in the 3rd setting-up time 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; And
When arriving described 3rd setting-up time to described battery-driven time, control described second source in the 4th setting-up time with the supply power voltage of described first voltage setting value to described storage battery power supply.
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| CN107202958B (en) * | 2016-03-17 | 2020-09-22 | 伊姆西Ip控股有限责任公司 | Method and apparatus for testing condition of battery |
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