CN104578376A - Communication power source - Google Patents
Communication power source Download PDFInfo
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- CN104578376A CN104578376A CN201510055527.9A CN201510055527A CN104578376A CN 104578376 A CN104578376 A CN 104578376A CN 201510055527 A CN201510055527 A CN 201510055527A CN 104578376 A CN104578376 A CN 104578376A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The invention discloses a communication power source. The communication power source comprises an alternating-current input module, a solar input module, a first PFC (power factor correction) boosting module, a second PFC boosting module and a PFC monitoring module. The solar input module is connected with the first PFC boosting module, the alternating-current input module is connected with the second PFC boosting module, and the PFC monitoring module is connected with the first PFC boosting module and the second PFC boosting module; the first PFC boosting module is used for boosting output voltages of the solar input module; the second PFC boosting module is used for boosting output voltages of the alternating-current input module; the PFC monitoring module is used for detecting the output voltages of the solar input module and the alternating-current input module, and controlling at least one of the first PFC boosting module and the second PFC boosting module to work according to the output voltages so as to control output power of the solar input module. By the communication power source, solar energy can be utilized fully, energy conversation can be achieved, and occupied space of the communication power source can be reduced.
Description
Technical field
The present invention relates to electronic circuit technology field, be specifically related to a kind of communication power supply.
Background technology
In recent years along with radio communication is popularized fast, need for a large amount of radio communication base stations provides communication power supply, what wherein the communication power supply of most radio communication base station provided for civil power and diesel engine generator exchanges input.Before 5 years, the critical piece photovoltaic solar power generation plate price of solar energy is too high, hinders the application of solar energy, in recent years, particularly 2011, photovoltaic solar power generation plate prices 40%, greatly reduce the application cost of solar energy, sun-generated electric power is applied gradually in communication power supply.
In prior art, adopt respectively AC power and sun-generated electric power two independently power supply power, and two power supplys are all by respective power factor correction (Power Factor Correction, PFC) monitoring module controls respective power supply, then exports low-voltage direct busbar respectively to and carry out flowing.This control mode, often causes the wasting of resources, can not make full use of solar energy, and two power supplys are controlled by respective PFC monitoring module respectively, also cause communication power supply to take up room greatly.
Summary of the invention
The invention discloses a kind of communication power supply, can solar energy be made full use of, realize energy-conservation, and reduce communication power supply and take up room.
First aspect present invention discloses a kind of communication power supply, comprises and exchanges input module, solar energy input module, the first PFC boost module, the second PFC boost module and PFC monitoring module;
Described solar energy input module and described first PFC boost model calling, described interchange input module and described second PFC boost model calling, described PFC monitoring module is connected with described first PFC boost module, described second PFC boost module, described interchange input module and described solar energy input module respectively;
Described first PFC boost module is used for carrying out boosting process to the output voltage of described solar energy input module;
Described second PFC boost module is used for carrying out boosting process to the output voltage of described interchange input module;
Described PFC monitoring module is for detecting the output voltage of described solar energy input module and the described output voltage exchanging input module, and according to the output voltage of described solar energy input module and at least one boost module work in the first PFC boost module described in the described output voltage control exchanging input module and described second PFC boost module, and by the adjustment output voltage of described first PFC boost module and/or the output voltage of described second PFC boost module, to control the power output of described solar energy input module.
In conjunction with first aspect present invention, in the first possible implementation of first aspect present invention, described PFC monitoring module specifically for:
When detecting that the output voltage of described interchange input module is zero, when the output voltage of described solar energy input module is non-vanishing, controlling to open described first PFC boost module, controlling to close described second PFC boost module;
Control the output voltage of described first PFC boost module to described solar energy input module to carry out the first boosting process and obtain the first output voltage, and the first power output of described solar energy input module is calculated according to described first output voltage, the value of described first output voltage belongs to preset range;
Control the output voltage of described first PFC boost module to described solar energy input module to carry out the second boosting process and obtain the second output voltage, described second output voltage than described first output voltage high first threshold, and calculates the second power output of described solar energy input module according to described second output voltage;
Control the output voltage of described first PFC boost module to described solar energy input module carry out the 3rd boosting process obtain the 3rd output voltage, described 3rd output voltage than the low described first threshold of described first output voltage, and calculates the 3rd power output of described solar energy input module according to described 3rd output voltage;
Maximum power is selected from described first power output, described second power output and described 3rd power output, and the output voltage the controlling described first PFC boost module output voltage that to be described maximum power corresponding.
In conjunction with first aspect present invention, in the implementation that the second of first aspect present invention is possible, described PFC monitoring module specifically for:
When detecting that the output voltage of described interchange input module and described solar energy input module is all non-vanishing, control to open described first PFC boost module and described second PFC boost module;
Control the output voltage of described first PFC boost module to described solar energy input module to carry out the first boosting process and obtain the first output voltage, control the output voltage of described second PFC boost module to described interchange input module to carry out the second boosting process and obtain the second output voltage, and the first power output of described solar energy input module is calculated according to described first output voltage, described first output voltage is than described second output voltage height Second Threshold;
Control the output voltage of described first PFC boost module to described solar energy input module carry out the 3rd boosting process obtain the 3rd output voltage, described 3rd output voltage is than described first output voltage high first threshold; Control the output voltage of described second PFC boost module to described interchange input module carry out the 4th boosting process obtain the 4th output voltage, described 4th output voltage described first threshold higher than described second output voltage, and according to described 3rd output voltage, calculate the second power output of described solar energy input module;
Control the output voltage of described first PFC boost module to described solar energy input module to carry out the 5th boosting process and obtain the 5th output voltage, described 5th output voltage is than the low described first threshold of described first output voltage; Control the output voltage of described second PFC boost module to described interchange input module carry out the 6th boosting process obtain the 6th output voltage, described 6th output voltage is than the low described first threshold of described second output voltage, according to described 5th output voltage, calculate the 3rd power output of described solar energy input module;
Maximum power is selected from described first power output, described second power output and described 3rd power output; If described maximum power is described first power output, the output voltage controlling described first PFC boost module and described second PFC boost module is respectively described first output voltage and described second output voltage; If described maximum power is described second power output, the output voltage controlling described first PFC boost module and described second PFC boost module is respectively described 3rd output voltage and described 4th output voltage; If described maximum power is described 3rd power output, the output voltage controlling described first PFC boost module and described second PFC boost module is respectively described 5th output voltage and described 6th output voltage.
In conjunction with first aspect present invention, in the third possible implementation of first aspect present invention, described PFC monitoring module also for:
When detecting that the output voltage of described interchange input module is non-vanishing, when the output voltage of described solar energy input module is zero, control to close described first PFC boost module, control open described second PFC boost module, and control the output voltage of described second PFC boost module to described interchange input module carry out boosting process.
In conjunction with the first of first aspect present invention or first aspect to the possible implementation of any one in the third, in the 4th kind of possible implementation of first aspect present invention, described PFC monitoring module comprises alternating voltage sampling module, solar voltage sampling module, two-way PFC monitoring module and controller for solar;
Described alternating voltage sampling module, for the output voltage of described interchange input module of sampling;
Described solar voltage sampling module, for the output voltage of described solar energy input module of sampling;
Described two-way PFC monitoring module is used at least one the boost module work in the first PFC boost module described in output voltage control that the output voltage of sampling according to described alternating voltage sampling module and described solar voltage sampling module sample and described second PFC boost module;
Described controller for solar, for calculating the power output of described solar energy input module.
In conjunction with the 4th kind of possible implementation of first aspect present invention, in the 5th kind of possible execution mode of first aspect present invention, described power supply also comprises:
High direct voltage module, confluxes for the output voltage of the output voltage of described first PFC boost module and described second PFC boost module is carried out output, the storage of horizontal high voltage direct current of going forward side by side and filtering.
Second aspect present invention discloses a kind of base station, and the first comprising first aspect present invention or first aspect is to the communication power supply in any one the possible implementation in the 5th kind.
In the embodiment of the present invention, solar energy input module and the first PFC boost model calling, exchange input module and the second PFC boost model calling, PFC monitoring module respectively with the first PFC boost module, second PFC boost module, exchange input module and the connection of solar energy input module, first PFC boost module is used for carrying out boosting process to the output voltage of sun input module, second PFC boost module is used for carrying out boosting process to the output voltage exchanging input module, PFC monitoring module is for detecting solar energy input module and the output voltage exchanging input module, and according at least one boost module work in output voltage control first PFC boost module and the second PFC boost module, the output voltage of adjustment first PFC boost module and/or the second PFC boost module is unified by PFC monitoring module, to control the power output of solar energy input module.Embodiment of the present invention can control the power output of solar energy input module flexibly, makes full use of solar energy, realizes energy-conservation, and reduces the space hold of communication power supply.
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 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 structure chart of a kind of communication power supply disclosed in the embodiment of the present invention;
Fig. 2 is the structure chart of another kind of communication power supply disclosed in the embodiment of the present invention.
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.
The invention discloses a kind of communication power supply, for making full use of solar energy, thus realizing energy-conservation.Below be described in detail respectively.
Refer to Fig. 1, Fig. 1 is the structure chart of a kind of communication power supply disclosed in the embodiment of the present invention.As shown in Figure 1, this communication power supply can comprise interchange input module, solar energy input module, the first PFC boost module, the second PFC boost module and PFC monitoring module;
Solar energy input module and the first PFC boost model calling, exchange input module and the second PFC boost model calling, PFC monitoring module respectively with the first PFC boost module, the second PFC boost module, exchange input module and solar energy input module is connected;
The first PFC boost module in the embodiment of the present invention is used for carrying out boosting process to the output voltage of solar energy input module; .
The second PFC boost module in the embodiment of the present invention is used for carrying out boosting process to the output voltage exchanging input module; .
In the embodiment of the present invention, PFC monitoring module is for detecting the output voltage of solar energy input module and exchanging the output voltage of input module, and according to the output voltage of solar energy input module and at least one boost module work exchanged in the output voltage control first PFC boost module of input module and the second PFC boost module, and by the output voltage of adjustment first PFC boost module and/or the output voltage of the second PFC boost module, to control the power output of solar energy input module, namely be the maximum power output of tracking solar input module, make full use of solar energy, realize energy-conservation.
Optionally, the control procedure of the communication power supply shown in Fig. 1 is as follows:
(1) when PFC monitoring module detects that the output voltage exchanging input module is zero, when the output voltage of solar energy input module is non-vanishing, control unlatching first PFC boost module, control closedown second PFC boost module; PFC monitoring module controls the first PFC boost module to carry out the first boosting process to the output voltage of solar energy input module and obtains the first output voltage V1, the value of this first output voltage V1 belongs to preset range, and this preset range is determined according to concrete scene and equipment performance.According to the first output voltage V1, calculate the first power output P1 of solar energy input module.
Control the first PFC boost module to carry out the second boosting process to the output voltage of solar energy input module and obtain the second output voltage V2, and the second output voltage V2 threshold value ⊿ V1 higher than the first output voltage V1, according to the second output voltage V2, calculate the second power output P2 of solar energy input module;
Control the first PFC boost module to the output voltage of solar energy input module carry out the 3rd boosting process obtain the 3rd output voltage V3, and a 3rd output voltage V3 threshold value ⊿ V1 lower than the first output voltage V1, and according to the 3rd output voltage V3, calculate the 3rd power output P3 of solar energy input module;
As P1>P2 and the output voltage that P1>P3, PFC monitoring module controls the first PFC boost module is V1; As P2>P1 and the output voltage that P2>P3, PFC monitoring module controls the first PFC boost module is V2; As P3>P1 and the output voltage that P3>P2, PFC monitoring module controls the first PFC boost module is V3;
It should be noted that, repeat the output power process of above-mentioned solar energy input module, to realize the maximum power output of solar energy input module, and preferentially utilize solar energy.
(2) when detecting that the output voltage exchanging input module and solar energy input module is all non-vanishing, unlatching first PFC boost module and the second PFC boost module is controlled; Control the first PFC boost module to carry out the first boosting process to the output voltage of solar energy input module and obtain the first output voltage V1, control the second PFC boost module to carry out the second boosting process obtain the second output voltage V2 to exchanging the output voltage of input module, first output voltage V1, two threshold value ⊿ V2 higher than the second output voltage V2; ⊿ V2 scope can be arranged at 0-2V, calculates the first power output P1 of solar energy input module according to the first output voltage V1.
Control the first PFC boost module to the output voltage of solar energy input module carry out the 3rd boosting process obtain the 3rd output voltage V3, and a 3rd output voltage V3 threshold value ⊿ V1 higher than the first output voltage V1, control the second PFC boost module to carry out the 4th boosting process obtain the 4th output voltage V4 to exchanging the output voltage of input module, and a 4th output voltage V4 threshold value ⊿ V1 higher than the second output voltage V2, it should be noted that, V3 two threshold value ⊿ V2 higher than V4, according to the 3rd output voltage V3, calculate the second power output P2 of solar energy input module,
Control the first PFC boost module to the output voltage of solar energy input module carry out the 5th boosting process obtain the 5th output voltage V5, and a 5th output voltage V5 threshold value ⊿ V1 lower than the first output voltage V1, control the second PFC boost module to carry out the 6th boosting process obtain the 6th output voltage V6 to exchanging the output voltage of input module, and a 6th output voltage V6 threshold value ⊿ V1 lower than the second output voltage V2, it should be noted that, V5 two threshold value ⊿ V2 higher than V6, according to the 5th output voltage V5, calculate the 3rd power output P3 of solar energy input module,
As P1>P2 and the output voltage that P1>P3, PFC monitoring module controls the first PFC boost module is V1, the output voltage controlling the second PFC boost module is V2; As P2>P3 and the output voltage that P2>P1, PFC monitoring module controls the first PFC boost module is V3, the output voltage controlling the second PFC boost module is V4; As P3>P1 and the output voltage that P3>P2, PFC monitoring module controls the first PFC boost module is V5, the output voltage controlling the second PFC boost module is V6;
It should be noted that, repeat the output power process of above-mentioned solar energy input module, to realize the maximum power output of solar energy input module, and preferentially utilize solar energy.
(3) when detecting that the output voltage exchanging input module is non-vanishing, when the output voltage of solar energy input module is zero, control closedown first PFC boost module, control unlatching second PFC boost module, and control the second PFC boost module and boosting is carried out to the output voltage exchanging input module process.
In the embodiment of the present invention, solar energy input module and the first PFC boost model calling, exchange input module and the second PFC boost model calling, PFC monitoring module respectively with the first PFC boost module, second PFC boost module, exchange input module and the connection of solar energy input module, first PFC boost module is used for carrying out boosting process to the output voltage of sun input module, second PFC boost module is used for carrying out boosting process to the output voltage exchanging input module, PFC monitoring module is for detecting solar energy input module and the output voltage exchanging input module, and according at least one boost module work in output voltage control first PFC boost module and the second PFC boost module, the output voltage of adjustment first PFC boost module and/or the second PFC boost module is unified by PFC monitoring module, to control the power output of solar energy input module.Embodiment of the present invention can control the power output of solar energy input module flexibly, makes full use of solar energy, realizes energy-conservation, and reduces the space hold of communication power supply.
Refer to Fig. 2, Fig. 2 is the structure chart of another kind of communication power supply disclosed in the embodiment of the present invention.Wherein, communication power supply shown in Fig. 2 is optimized the communication power supply shown in Fig. 1 to obtain, compared with the communication power supply shown in Fig. 1, the PFC monitoring module of the communication power supply shown in Fig. 2 comprises alternating voltage sampling module, solar voltage sampling module, two-way PFC monitoring module, maximal power tracing (Maximum Power PointTracking, MPPT) controller for solar and high direct voltage sampling module, in addition, this communication power supply also comprises high direct voltage module, DC/DC power output module and DC/DC output monitoring module;
Optionally, high direct voltage module is used for the output voltage of the first PFC boost module, the second PFC boost module to conflux, the storage of horizontal high voltage direct current of going forward side by side and filtering;
DC/DC power output module, for isolating DC/DC power stage, realizes the power transfer of high voltage direct current to low-voltage direct.
DC/DC output monitoring module is for control DC/DC power stage.
Concrete, the control procedure of the communication power supply shown in Fig. 2 is as follows:
Alternatively, when without solar energy, when having interchange (such as night), namely be that alternating voltage sampling module in PFC monitoring module detects that the output voltage exchanging input module is non-vanishing, solar voltage sampling module detects that the output voltage of solar energy input module is zero, two-way PFC monitoring module controls closedown first PFC boost module, and solar energy input branch road does not work; Two-way PFC monitoring module controls unlatching second PFC boost module, exchanges the work of input branch road, is namely that civil power or oil machine exchange as Power supply.
Optionally, when there being solar energy (as fine day), without when exchanging, namely be that alternating voltage sampling module in PFC monitoring module detects that the output voltage exchanging input module is zero, solar voltage sampling module detects that the output voltage of solar energy input module is non-vanishing, two-way PFC monitoring module controls unlatching first PFC boost module, and solar energy is Power supply; Two-way PFC monitoring module controls closedown second PFC boost module, and civil power or oil machine exchange and do not work.
Two-way PFC monitoring module controls the first PFC boost module to carry out the first boosting process to the output voltage of solar energy input module and obtains the first output voltage V1, and solar energy MPPT control module calculates the present output power P1 of solar energy input module in real time;
Under two-way PFC monitoring module controls, control the output voltage V1 Bian Gao ⊿ V1 to V2 of the first PFC boost module, the output voltage of the first PFC boost module of sampling and electric current, solar energy MPPT control module calculates the present output power P2 of solar energy input module in real time;
Under two-way PFC monitoring module controls, control the output voltage V1 Bian Di ⊿ V1 to V3 of the first PFC boost module, the output voltage of the first PFC boost module of sampling and electric current, solar energy MPPT control module calculates the current power output P3 of solar panels in real time;
As P1>P2 and the output voltage that P1>P3, two-way PFC monitoring module controls the first PFC boost module is V1; As P2>P1 and the output voltage that P2>P3, two-way PFC monitoring module controls the first PFC boost module is V2; As P3>P1 and the output voltage that P3>P2, two-way PFC monitoring module controls the first PFC boost module is V3;
Repeat above-mentioned maximum power output control procedure, realize the maximum power output of solar panels, and preferentially utilize solar energy.
Optionally, when there is solar energy, when also there is interchange, namely the output voltage being the solar energy input module that the alternating voltage sampling module in PFC monitoring module detects with solar voltage sampling module is all non-vanishing with the output voltage exchanging input module, control unlatching first PFC boost module and the second PFC boost module, preferential use solar energy, insufficient section is supplemented by the second PFC boost module exchanging input channel, the maximum power output of tracking solar input module simultaneously, concrete control procedure is as follows:
Two-way PFC monitoring module controls the first PFC boost module work, carries out the first boosting process obtain the first output voltage V1 to the output voltage of solar energy input module, is namely that the output voltage of control first PFC boost module is V1.Two-way PFC monitoring module controls the second PFC boost module work, second boosting process is carried out to the output voltage exchanging input module and obtains the second output voltage V2, namely be the output voltage of control second PFC boost module be that V2, V1 can be arranged at 0-2V than V2 Gao ⊿ V 2 ， ⊿ V2 scope.
The maximum power output control procedure of solar panels is as follows:
Under the control of two-way PFC monitoring module, calculate the current power output P1 of solar panels in real time according to the output voltage V1 of the first PFC boost module, solar energy MPPT control module;
Under two-way PFC monitoring module controls, the output voltage controlling the first PFC boost module and the second PFC boost module is respectively V1+ ⊿ V1 and V2+ ⊿ V1, and keep V1+ ⊿ V1 than V2+ ⊿ V1 Gao ⊿ V2, according to output voltage V1+ ⊿ V1 and the electric current of the first PFC boost module, calculate the current power output P2 of solar panels in real time;
Under two-way PFC monitoring module controls, the output voltage controlling the first PFC boost module and the second PFC boost module is V1-⊿ V1 and V2-⊿ V1, and keep V1-⊿ V1 than V2-⊿ V1 Gao ⊿ V2, according to output voltage V1-⊿ V1 and the electric current of the first PFC boost module, calculate the current power output P3 of solar panels in real time;
As P1>P2 and the output voltage that P1>P3, two-way PFC monitoring module controls the first PFC boost module and the second PFC boost module is respectively V1 and V2;
As P2>P1 and the output voltage that P2>P3, two-way PFC monitoring module controls the first PFC boost module and the second PFC boost module is respectively V1+ ⊿ V1 and V2+ ⊿ V1;
As P3>P1 and the output voltage that P3>P2, two-way PFC monitoring module controls the first PFC boost module and the second PFC boost module is V1-⊿ V1 and V2-⊿ V1;
Repeat above-mentioned maximum power output control procedure, realize the maximum power output of solar panels, and preferentially utilize solar energy.
In the embodiment of the present invention, solar energy input module and the first PFC boost model calling, exchange input module and the second PFC boost model calling, PFC monitoring module respectively with the first PFC boost module, second PFC boost module, exchange input module and the connection of solar energy input module, first PFC boost module is used for carrying out boosting process to the output voltage of sun input module, second PFC boost module is used for carrying out boosting process to the output voltage exchanging input module, PFC monitoring module is for detecting solar energy input module and the output voltage exchanging input module, and according at least one boost module work in output voltage control first PFC boost module and the second PFC boost module, the output voltage of adjustment first PFC boost module and/or the second PFC boost module is unified by PFC monitoring module, to control the power output of solar energy input module.Embodiment of the present invention can control the power output of solar energy input module flexibly, makes full use of solar energy, realizes energy-conservation, and the space of reducing communication power supply accounts for
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
Step in embodiment of the present invention method can be carried out order according to actual needs and be adjusted, merges and delete.
Module in embodiment of the present invention terminal or unit can carry out merging, divide and deleting according to actual needs.
The parts such as the microcontroller of the embodiment of the present invention, with universal integrated circuit (as central processor CPU), or can realize with application-specific integrated circuit (ASIC) (ASIC).
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 (7)
1. a communication power supply, is characterized in that, comprises and exchanges input module, solar energy input module, the first PFC boost module, the second PFC boost module and PFC monitoring module;
Described solar energy input module and described first PFC boost model calling, described interchange input module and described second PFC boost model calling, described PFC monitoring module is connected with described first PFC boost module, described second PFC boost module, described interchange input module and described solar energy input module respectively;
Described first PFC boost module is used for carrying out boosting process to the output voltage of described solar energy input module;
Described second PFC boost module is used for carrying out boosting process to the output voltage of described interchange input module;
Described PFC monitoring module is for detecting the output voltage of described solar energy input module and the described output voltage exchanging input module, and according to the output voltage of described solar energy input module and at least one boost module work in the first PFC boost module described in the described output voltage control exchanging input module and described second PFC boost module, and by the adjustment output voltage of described first PFC boost module and/or the output voltage of described second PFC boost module, to control the power output of described solar energy input module.
2. power supply as claimed in claim 1, is characterized in that, described PFC monitoring module specifically for:
When detecting that the output voltage of described interchange input module is zero, when the output voltage of described solar energy input module is non-vanishing, controlling to open described first PFC boost module, controlling to close described second PFC boost module;
Control the output voltage of described first PFC boost module to described solar energy input module to carry out the first boosting process and obtain the first output voltage, and the first power output of described solar energy input module is calculated according to described first output voltage, the value of described first output voltage belongs to preset range;
Control the output voltage of described first PFC boost module to described solar energy input module to carry out the second boosting process and obtain the second output voltage, described second output voltage than described first output voltage high first threshold, and calculates the second power output of described solar energy input module according to described second output voltage;
Control the output voltage of described first PFC boost module to described solar energy input module carry out the 3rd boosting process obtain the 3rd output voltage, described 3rd output voltage than the low described first threshold of described first output voltage, and calculates the 3rd power output of described solar energy input module according to described 3rd output voltage;
Maximum power is selected from described first power output, described second power output and described 3rd power output, and the output voltage the controlling described first PFC boost module output voltage that to be described maximum power corresponding.
3. power supply as claimed in claim 1, is characterized in that, described PFC monitoring module specifically for:
When detecting that the output voltage of described interchange input module and described solar energy input module is all non-vanishing, control to open described first PFC boost module and described second PFC boost module;
Control the output voltage of described first PFC boost module to described solar energy input module to carry out the first boosting process and obtain the first output voltage, control the output voltage of described second PFC boost module to described interchange input module to carry out the second boosting process and obtain the second output voltage, and the first power output of described solar energy input module is calculated according to described first output voltage, described first output voltage is than described second output voltage height Second Threshold;
Control the output voltage of described first PFC boost module to described solar energy input module carry out the 3rd boosting process obtain the 3rd output voltage, described 3rd output voltage is than described first output voltage high first threshold; Control the output voltage of described second PFC boost module to described interchange input module carry out the 4th boosting process obtain the 4th output voltage, described 4th output voltage described first threshold higher than described second output voltage, and according to described 3rd output voltage, calculate the second power output of described solar energy input module;
Control the output voltage of described first PFC boost module to described solar energy input module to carry out the 5th boosting process and obtain the 5th output voltage, described 5th output voltage is than the low described first threshold of described first output voltage; Control the output voltage of described second PFC boost module to described interchange input module carry out the 6th boosting process obtain the 6th output voltage, described 6th output voltage is than the low described first threshold of described second output voltage, according to described 5th output voltage, calculate the 3rd power output of described solar energy input module;
Maximum power is selected from described first power output, described second power output and described 3rd power output; If described maximum power is described first power output, the output voltage controlling described first PFC boost module and described second PFC boost module is respectively described first output voltage and described second output voltage; If described maximum power is described second power output, the output voltage controlling described first PFC boost module and described second PFC boost module is respectively described 3rd output voltage and described 4th output voltage; If described maximum power is described 3rd power output, the output voltage controlling described first PFC boost module and described second PFC boost module is respectively described 5th output voltage and described 6th output voltage.
4. power supply as claimed in claim 1, is characterized in that, described PFC monitoring module also for:
When detecting that the output voltage of described interchange input module is non-vanishing, when the output voltage of described solar energy input module is zero, control to close described first PFC boost module, control open described second PFC boost module, and control the output voltage of described second PFC boost module to described interchange input module carry out boosting process.
5. the power supply as described in any one of Claims 1-4, is characterized in that, described PFC monitoring module comprises alternating voltage sampling module, solar voltage sampling module, two-way PFC monitoring module and controller for solar;
Described alternating voltage sampling module, for the output voltage of described interchange input module of sampling;
Described solar voltage sampling module, for the output voltage of described solar energy input module of sampling;
Described two-way PFC monitoring module is used at least one the boost module work in the first PFC boost module described in output voltage control that the output voltage of sampling according to described alternating voltage sampling module and described solar voltage sampling module sample and described second PFC boost module;
Described controller for solar, for calculating the power output of described solar energy input module.
6. power supply as claimed in claim 5, it is characterized in that, described power supply also comprises:
High direct voltage module, confluxes for the output voltage of the output voltage of described first PFC boost module and described second PFC boost module is carried out output, the storage of horizontal high voltage direct current of going forward side by side and filtering.
7. a base station, comprises the communication power supply as described in any one of claim 1 to 6.
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