CN104578376B - A kind of communication power supply - Google Patents
A kind of communication power supply Download PDFInfo
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- CN104578376B CN104578376B CN201510055527.9A CN201510055527A CN104578376B CN 104578376 B CN104578376 B CN 104578376B CN 201510055527 A CN201510055527 A CN 201510055527A CN 104578376 B CN104578376 B CN 104578376B
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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 kind of communication power supply, this communication power supply includes exchanging 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 module connect, exchange input module and the connection of the second PFC boost module, PFC monitoring module respectively with the first PFC boost module, the second PFC boost module；First PFC boost module is for carrying out boosting process to the output voltage of solar energy input module；Second PFC boost module is for carrying out boosting process to the output voltage of exchange input module；PFC monitoring module is for detecting solar energy input module and the output voltage exchanging input module, and work according at least one boost module in output voltage control the first PFC boost module and the second PFC boost module, to control the output of solar energy input module.Implement the embodiment of the present invention, solar energy can be made full use of, it is achieved energy-conservation, and reduce communication power supply and take up room.
Description
Technical field
The present invention relates to electronic circuit technology field, be specifically related to a kind of communication power supply.
Background technology
Quickly popularize recently as radio communication, need to provide communication electricity for substantial amounts of radio communication base station
Source, wherein the communication power supply of most radio communication base stations is civil power and exchanging that diesel-driven generator provides
Input.Before 5 years, the critical piece photovoltaic solar power generation plate price of solar energy is the highest, hinders solar energy
Application, in recent years, particularly 2011, photovoltaic solar power generation plate prices 40%, significantly drop
The low application cost of solar energy, sun-generated electric power is gradually applied in communication power supply.
In prior art, it is respectively adopted alternating current power supply and two independent power supplys of sun-generated electric power is powered,
And two power supplys are all monitored by respective PFC (Power Factor Correction, PFC)
Module controls respective power supply, then exports respectively and carry out flowing to low-voltage direct busbar.This control mode,
Frequently can lead to the wasting of resources, it is impossible to make full use of solar energy, and two power supplys are respectively by respective PFC
Monitoring module is controlled, and also results in communication power supply and takes up room greatly.
Summary of the invention
The invention discloses a kind of communication power supply, solar energy can be made full use of, it is achieved energy-conservation, and subtract
Little communication power supply takes up room.
The open a kind of communication power supply of first aspect present invention, including exchange input module, solar energy input mould
Block, the first PFC boost module, the second PFC boost module and PFC monitoring module；
Described solar energy input module is connected with described first PFC boost module, described exchange input module with
Described second PFC boost module connect, described PFC monitoring module respectively with described first PFC boost module,
Described second PFC boost module, described exchange input module and described solar energy input module connect；
Described first PFC boost module is for boosting to the output voltage of described solar energy input module
Process；
Described second PFC boost module is for carrying out at boosting the output voltage of described exchange input module
Reason；
Described PFC monitoring module exchanges with described for the output voltage detecting described solar energy input module
The output voltage of input module, and according to the output voltage of described solar energy input module with described exchange defeated
Enter in the first PFC boost module described in the output voltage control of module and described second PFC boost module
At least one boost module work, and by adjust described first PFC boost module output voltage and/or
The output voltage of described second PFC boost module, to control the 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 the output voltage described exchange input module being detected is zero, described solar energy input module defeated
Go out voltage when being not zero, control to open described first PFC boost module, control to close described 2nd PFC liter
Die block；
Control described first PFC boost module and the output voltage of described solar energy input module is carried out first
Boosting processes and obtains the first output voltage, and calculates the input of described solar energy according to described first output voltage
First output of module, the value of described first output voltage belongs to preset range；
Control described first PFC boost module and the output voltage of described solar energy input module is carried out second
Boosting processes and obtains the second output voltage, and described second output voltage is higher by first than described first output voltage
Threshold value, and the second output of described solar energy input module is calculated according to described second output voltage；
Control described first PFC boost module and the output voltage of described solar energy input module is carried out the 3rd
Boosting processes and obtains the 3rd output voltage, and described 3rd output voltage is lower than described first output voltage described
First threshold, and the 3rd output work of described solar energy input module is calculated according to described 3rd output voltage
Rate；
Select from described first output, described second output and described 3rd output
Peak power, and the output voltage controlling described first PFC boost module is corresponding defeated of described peak power
Go out voltage.
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 the output voltage described exchange input module and described solar energy input module being detected all is not zero
Time, control to open described first PFC boost module and described second PFC boost module；
Control described first PFC boost module and the output voltage of described solar energy input module is carried out first
Boosting processes and obtains the first output voltage, controls described second PFC boost module to described exchange input module
Output voltage carry out the second boosting and process and obtain the second output voltage, and according to described first output voltage
Calculating the first output of described solar energy input module, described first output voltage is second more defeated than described
Go out voltage height Second Threshold；
Control described first PFC boost module and the output voltage of described solar energy input module is carried out the 3rd
Boosting processes and obtains the 3rd output voltage, and described 3rd output voltage is higher by first than described first output voltage
Threshold value；Control described second PFC boost module and the output voltage of described exchange input module is carried out the 4th liter
Pressure processes and obtains the 4th output voltage, and described 4th output voltage is higher by described the than described second output voltage
One threshold value, and according to described 3rd output voltage, calculate the second output work of described solar energy input module
Rate；
Control described first PFC boost module and the output voltage of described solar energy input module is carried out the 5th
Boosting processes and obtains the 5th output voltage, and described 5th output voltage is lower than described first output voltage described
First threshold；Control described second PFC boost module and the output voltage of described exchange input module is carried out
Six boostings process and obtain the 6th output voltage, and described 6th output voltage is than the described second low institute of output voltage
State first threshold, according to described 5th output voltage, calculate the 3rd output of described solar energy input module
Power；
Select from described first output, described second output and described 3rd output
Peak power；If described peak power is described first output, control described first PFC boost module
It is respectively described first output voltage and described second defeated with the output voltage of described second PFC boost module
Go out voltage；If described peak power is described second output, control described first PFC boost module and
The output voltage of described second PFC boost module is respectively described 3rd output voltage and described 4th output
Voltage；If described peak power is described 3rd output, control described first PFC boost module and institute
The output voltage stating the second PFC boost module is respectively described 5th output voltage and described 6th output electricity
Pressure.
In conjunction with first aspect present invention, in the third possible implementation of first aspect present invention,
Described PFC monitoring module is additionally operable to:
When the output voltage described exchange input module being detected is not zero, described solar energy input module
When output voltage is zero, control to close described first PFC boost module, control to open described 2nd PFC liter
Die block, and control described second PFC boost module the output voltage of described exchange input module is risen
Pressure processes.
In conjunction with the first of first aspect present invention or first aspect to any one the possible reality in the third
Existing mode, in the 4th kind of possible implementation of first aspect present invention, described PFC monitoring module bag
Include alternating voltage sampling module, solar voltage sampling module, two-way PFC monitoring module and solar energy control
Device processed；
Described alternating voltage sampling module, for the output voltage of described exchange 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 for the output electricity sampled according to described alternating voltage sampling module
First PFC boost module described in the output voltage control that pressure and described solar voltage sampling module are sampled
Work with at least one boost module in described second PFC boost module；
Described controller for solar, for calculating the output of described solar energy input module.
In conjunction with the 4th kind of possible implementation of first aspect present invention, in the of first aspect present invention
In five kinds of possible embodiments, described power supply also includes:
High direct voltage module, for by the output voltage of described first PFC boost module and described 2nd PFC
The output voltage of boost module carries out output and confluxes, the storage of horizontal high voltage direct current of going forward side by side and filtering.
The open a kind of base station of second aspect present invention, including first aspect present invention or the first of first aspect
Plant 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 module connect, exchange input mould
Block and the second PFC boost module connect, PFC monitoring module respectively with the first PFC boost module, the 2nd PFC
Boost module, exchange input module and solar energy input module connect, and the first PFC boost module is for right
The output voltage of sun input module carries out boosting process, and the second PFC boost module is for exchange input mould
The output voltage of block carries out boosting process, PFC monitoring module be used for detecting solar energy input module with exchange defeated
Enter the output voltage of module, and according to output voltage control the first PFC boost module and the second PFC boost mould
At least one boost module work in block, adjusts the first PFC boost module by PFC monitoring module is unified
And/or second output voltage of PFC boost module, to control the output of solar energy input module.This
Invention embodiment can control the output of solar energy input module flexibly, makes full use of solar energy,
Realize energy-conservation, and reduce the space hold of communication power supply.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example to be briefly described, it should be apparent that, the accompanying drawing in describing below is only
It is only some embodiments of the present invention, for those of ordinary skill in the art, is not paying creativeness
On the premise of work, it is also possible to obtain other accompanying drawing 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.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
The invention discloses a kind of communication power supply, be used for making full use of solar energy, thus realize energy-conservation.With
Lower it is described in detail respectively.
Referring to Fig. 1, Fig. 1 is the structure chart of a kind of communication power supply disclosed in the embodiment of the present invention.Such as Fig. 1 institute
Show, this communication power supply can include exchange input module, solar energy input module, the first PFC boost module,
Second PFC boost module and PFC monitoring module；
Solar energy input module and the first PFC boost module connect, exchange input module and the second PFC boost
Module connect, PFC monitoring module respectively with the first PFC boost module, the second PFC boost module, exchange
Input module and solar energy input module connect；
The first PFC boost module in the embodiment of the present invention is for the output voltage to solar energy input module
Carry out boosting process；.
The second PFC boost module in the embodiment of the present invention is for entering the output voltage of exchange input module
Row boosting processes；.
In the embodiment of the present invention, PFC monitoring module is for detecting output voltage and the friendship of solar energy input module
The output voltage of stream input module, and according to the output voltage of solar energy input module with exchange input module
Output voltage control the first PFC boost module and the second PFC boost module at least one rise pressing mold
Block works, and by adjusting the output voltage of the first PFC boost module and/or the defeated of the second PFC boost module
Go out voltage, to control the output of solar energy input module, be i.e. to follow the tracks of solar energy input module
High-power output, makes full use of solar energy, it is achieved energy-conservation.
Optionally, the control process of the communication power supply shown in Fig. 1 is as follows:
(1) detecting that the output voltage of exchange input module is zero when PFC monitoring module, solar energy inputs
When the output voltage of module is not zero, control to open the first PFC boost module, control to close the 2nd PFC liter
Die block；PFC monitoring module controls the first PFC boost module and enters the output voltage of solar energy input module
Row the first boosting processes and obtains the first output voltage V1, and the value of this first output voltage V1 belongs to default model
Enclosing, this preset range is determined according to concrete scene and equipment performance.According to the first output voltage V1,
Calculate the first output P1 of solar energy input module.
Control the first PFC boost module and the output voltage of solar energy input module is carried out the second boosting process
Obtain the second output voltage V2, and the second output voltage V2 is than the first high first threshold of output voltage V1
V1, according to the second output voltage V2, calculates the second output P2 of solar energy input module；
Control the first PFC boost module and the output voltage of solar energy input module is carried out the 3rd boosting process
Obtain the 3rd output voltage V3, and the 3rd output voltage V3 is than the first low first threshold of output voltage V1
V1, and according to the 3rd output voltage V3, calculate the 3rd output P3 of solar energy input module；
Work as P1 > P2 and P1 > P3, PFC monitoring module controls the output voltage of the first PFC boost module and is
V1；Work as P2 > P1 and P2 > P3, PFC monitoring module controls the output voltage of the first PFC boost module and is
V2；Work as P3 > P1 and P3 > P2, PFC monitoring module controls the output voltage of the first PFC boost module and 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 output voltage exchange input module and solar energy input module being detected all is not zero,
Control to open the first PFC boost module and the second PFC boost module；Control the first PFC boost module to too
The output voltage of sun energy input module carries out the first boosting process and obtains the first output voltage V1, controls second
PFC boost module carries out the second boosting process and obtains the second output electricity the output voltage of exchange input module
Press V2, the first output voltage V1 than the second output voltage V2 high Second Threshold V2, V2 scope at 0-2V
Can arrange, calculate the first output P1 of solar energy input module according to the first output voltage V1.
Control the first PFC boost module and the output voltage of solar energy input module is carried out the 3rd boosting process
Obtain the 3rd output voltage V3, and the 3rd output voltage V3 is than the first high first threshold of output voltage V1
V1, controls the second PFC boost module and the output voltage of exchange input module is carried out the 4th boosting and processed
To the 4th output voltage V4, and the 4th output voltage V4 is than the second high first threshold of output voltage V2
V1, it should be noted that V3 Second Threshold higher than V4 V2, according to the 3rd output voltage V3, calculates
Second output P2 of solar energy input module；
Control the first PFC boost module and the output voltage of solar energy input module is carried out the 5th boosting process
Obtain the 5th output voltage V5, and the 5th output voltage V5 is than the first low first threshold of output voltage V1
V1, controls the second PFC boost module and the output voltage of exchange input module is carried out the 6th boosting and processed
To the 6th output voltage V6, and the 6th output voltage V6 is than the second low first threshold of output voltage V2
V1, it should be noted that V5 Second Threshold higher than V6 V2, according to the 5th output voltage V5, calculates
3rd output P3 of solar energy input module；
Work as P1 > P2 and P1 > P3, PFC monitoring module controls the output voltage of the first PFC boost module and is
V1, the output voltage controlling the second PFC boost module is V2；Work as P2 > P3 and P2 > P1, PFC monitoring
It is V3 that module controls the output voltage of the first PFC boost module, controls the output electricity of the second PFC boost module
Pressure is V4；Work as P3 > P1 and P3 > P2, PFC monitoring module controls the output electricity of the first PFC boost module
Pressure is V5, and 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) it is not zero when output voltage exchange input module being detected, the output of solar energy input module
When voltage is zero, control to close the first PFC boost module, control to open the second PFC boost module, and control
Make the second PFC boost module and the output voltage of exchange input module is carried out boosting process.
In the embodiment of the present invention, solar energy input module and the first PFC boost module connect, exchange input mould
Block and the second PFC boost module connect, PFC monitoring module respectively with the first PFC boost module, the 2nd PFC
Boost module, exchange input module and solar energy input module connect, and the first PFC boost module is for right
The output voltage of sun input module carries out boosting process, and the second PFC boost module is for exchange input mould
The output voltage of block carries out boosting process, PFC monitoring module be used for detecting solar energy input module with exchange defeated
Enter the output voltage of module, and according to output voltage control the first PFC boost module and the second PFC boost mould
At least one boost module work in block, adjusts the first PFC boost module by PFC monitoring module is unified
And/or second output voltage of PFC boost module, to control the output of solar energy input module.This
Invention embodiment can control the output of solar energy input module flexibly, makes full use of solar energy,
Realize energy-conservation, and reduce the space hold of communication power supply.
Referring 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 to be optimized the communication power supply shown in Fig. 1 to obtain, with leading to shown in Fig. 1
Letter power supply is compared, and the PFC monitoring module of the communication power supply shown in Fig. 2 includes alternating voltage sampling module, too
Sun can voltage sample module, two-way PFC monitoring module, maximal power tracing (Maximum Power Point
Tracking, MPPT) controller for solar and high direct voltage sampling module, additionally, this communication power supply
Also include high direct voltage module, DC/DC power output module and DC/DC output monitoring module；
Optionally, high direct voltage module for by the first PFC boost module, the second PFC boost module defeated
Go out voltage to conflux, the storage of horizontal high voltage direct current of going forward side by side and filtering；
DC/DC power output module is used for isolating the output of DC/DC power, it is achieved HVDC is to low-pressure direct
The power conversion of stream.
DC/DC output monitoring module is used for controlling the output of DC/DC power.
Concrete, the control process of the communication power supply shown in Fig. 2 is as follows:
Alternatively, when without solar energy, when having exchange (such as night), it is i.e. the friendship in PFC monitoring module
Stream voltage sample module detects that the output voltage of exchange input module is not zero, solar voltage sampling mould
Block detects that the output voltage of solar energy input module is zero, and two-way PFC monitoring module controls closedown first
PFC boost module, solar energy input branch road does not works；Two-way PFC monitoring module controls to open the 2nd PFC
Boost module, exchange input branch road work, be i.e. civil power or oil machine exchange power for power supply.
Optionally, when there being solar energy (such as fine day), during without exchange, it is i.e. the exchange in PFC monitoring module
Voltage sample module detects that the output voltage of exchange input module is zero, and solar voltage sampling module is examined
The output voltage measuring solar energy input module is not zero, and two-way PFC monitoring module controls to open a PFC
Boost module, solar energy is that power supply is powered；Two-way PFC monitoring module controls to close the second PFC boost module,
Civil power or oil machine exchange do not work.
Two-way PFC monitoring module controls the first PFC boost module output voltage to solar energy input module
Carrying out the first boosting process and obtain the first output voltage V1, solar energy MPPT control module calculates the sun in real time
Present output power P1 of energy input module；
Under two-way PFC monitoring module controls, the output voltage V1 controlling the first PFC boost module uprises
V1 to V2, the output voltage of the first PFC boost module of sampling and electric current, solar energy MPPT control module is real
Time calculate solar energy input module present output power P2；
Under two-way PFC monitoring module controls, control the output voltage V1 step-down of the first PFC boost module
V1 to V3, the output voltage of the first PFC boost module of sampling and electric current, solar energy MPPT control module is real
Time calculate solar panels current output P3；
Work as P1 > P2 and P1 > P3, two-way PFC monitoring module controls the output electricity of the first PFC boost module
Pressure is V1；Work as P2 > P1 and P2 > P3, two-way PFC monitoring module controls the defeated of the first PFC boost module
Going out voltage is V2；Work as P3 > P1 and P3 > P2, two-way PFC monitoring module controls the first PFC boost module
Output voltage be V3；
Repeat above-mentioned maximum power output and control process, it is achieved the maximum power output of solar panels, and excellent
First with solar energy.
Optionally, when there is solar energy, when there is also exchange, it it is i.e. the alternating voltage in PFC monitoring module
The output voltage of the solar energy input module that sampling module detects with solar voltage sampling module with exchange
The output voltage of input module is all not zero, and controls to open the first PFC boost module and the second PFC boost mould
Block, preferentially uses solar energy, and insufficient section is supplemented by the second PFC boost module exchanging input channel, with
Time follow the tracks of the maximum power output of solar energy input module, it is concrete that to control process as follows:
Two-way PFC monitoring module controls the first PFC boost module work, the output to solar energy input module
Voltage carries out the first boosting process and obtains the first output voltage V1, is i.e. to control the first PFC boost module
Output voltage is V1.Two-way PFC monitoring module controls the second PFC boost module work, to exchange input mould
The output voltage of block carries out the second boosting process and obtains the second output voltage V2, is i.e. to control the 2nd PFC liter
The output voltage of die block is V2, V1 V higher than V2 2, and V2 scope can be arranged at 0-2V.
It is as follows that the maximum power output of solar panels controls process:
Under the control of two-way PFC monitoring module, according to the output voltage V1 of the first PFC boost module, too
Sun energy MPPT control module calculates the current output P1 of solar panels in real time；
Under two-way PFC monitoring module controls, control the first PFC boost module and the second PFC boost module
Output voltage be respectively V1+ V1 and V2+ V1, and keep V1+ V1 V2 higher than V2+ V1,
Output voltage V1+ V1 according to the first PFC boost module and electric current, calculate the current of solar panels in real time
Output P2；
Under two-way PFC monitoring module controls, control the first PFC boost module and the second PFC boost module
Output voltage be V1-V1 and V2-V1, and keep V1-V1 V2 higher than V2-V1, according to
The output voltage V1-V1 of the first PFC boost module and electric current, calculate in real time the current defeated of solar panels
Go out power P 3；
Work as P1 > P2 and P1 > P3, two-way PFC monitoring module controls the first PFC boost module and second
The output voltage of PFC boost module is respectively V1 and V2；
Work as P2 > P1 and P2 > P3, two-way PFC monitoring module controls the first PFC boost module and second
The output voltage of PFC boost module is respectively V1+ V1 and V2+ V1；
Work as P3 > P1 and P3 > P2, two-way PFC monitoring module controls the first PFC boost module and second
The output voltage of PFC boost module is V1-V1 and V2-V1；
Repeat above-mentioned maximum power output and control process, it is achieved the maximum power output of solar panels, and excellent
First with solar energy.
In the embodiment of the present invention, solar energy input module and the first PFC boost module connect, exchange input
Module is connected with the second PFC boost module, PFC monitoring module respectively with the first PFC boost module,
Second PFC boost module, exchange input module and solar energy input module connect, a PFC liter
Die block for carrying out boosting process to the output voltage of sun input module, and the second PFC boost module is used
In the output voltage exchanging input module is carried out boosting process, PFC monitoring module is used for detecting solar energy
Input module and the output voltage exchanging input module, and according to output voltage control the first PFC boost mould
At least one boost module work in block and the second PFC boost module, is united by PFC monitoring module
One adjusts the first PFC boost module and/or the output voltage of the second PFC boost module, to control the sun
The output of energy input module.Embodiment of the present invention can control the defeated of solar energy input module flexibly
Go out power, make full use of solar energy, it is achieved be energy-conservation, and the space reducing communication power supply accounts for
One of ordinary skill in the art will appreciate that all or part of stream realizing in above-described embodiment method
Journey, can be by computer program and completes to instruct relevant hardware, and described program can be stored in
In one computer read/write memory medium, this program is upon execution, it may include such as the enforcement of above-mentioned each method
The flow process of example.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only
Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc..
Step in embodiment of the present invention method can carry out order according to actual needs and adjust, merges and delete
Subtract.
Module or unit in embodiment of the present invention terminal can merge according to actual needs, divide and
Delete.
The parts such as the microcontroller of the embodiment of the present invention, can be with universal integrated circuit (such as central processing unit
CPU), or with special IC (ASIC) realize.
Above disclosed only present pre-ferred embodiments, can not limit the present invention with this certainly
Interest field, the equivalent variations therefore made according to the claims in the present invention, still belong to what the present invention was contained
Scope.
Claims (7)
1. a communication power supply, it is characterised in that include exchange input module, solar energy input module,
First PFC boost module, the second PFC boost module and PFC monitoring module；
Described solar energy input module is connected with described first PFC boost module, described exchange input module with
Described second PFC boost module connect, described PFC monitoring module respectively with described first PFC boost module,
Described second PFC boost module, described exchange input module and described solar energy input module connect；
Described first PFC boost module is for boosting to the output voltage of described solar energy input module
Process；
Described second PFC boost module is for carrying out at boosting the output voltage of described exchange input module
Reason；
Described PFC monitoring module exchanges with described for the output voltage detecting described solar energy input module
The output voltage of input module, and according to the output voltage of described solar energy input module with described exchange defeated
Enter in the first PFC boost module described in the output voltage control of module and described second PFC boost module
At least one boost module works, and by adjusting the output voltage of described first PFC boost module, or
By adjusting output voltage and the output of described second PFC boost module of described first PFC boost module
Voltage, to control the output of described solar energy input module.
2. power supply as claimed in claim 1, it is characterised in that described PFC monitoring module specifically for:
When the output voltage described exchange input module being detected is zero, described solar energy input module defeated
Go out voltage when being not zero, control to open described first PFC boost module, control to close described 2nd PFC liter
Die block；
Control described first PFC boost module and the output voltage of described solar energy input module is carried out first
Boosting processes and obtains the first output voltage, and calculates the input of described solar energy according to described first output voltage
First output of module, the value of described first output voltage belongs to preset range；
Control described first PFC boost module and the output voltage of described solar energy input module is carried out second
Boosting processes and obtains the second output voltage, and described second output voltage is higher by first than described first output voltage
Threshold value, and the second output of described solar energy input module is calculated according to described second output voltage；
Control described first PFC boost module and the output voltage of described solar energy input module is carried out the 3rd
Boosting processes and obtains the 3rd output voltage, and described 3rd output voltage is lower than described first output voltage described
First threshold, and the 3rd output work of described solar energy input module is calculated according to described 3rd output voltage
Rate；
Select from described first output, described second output and described 3rd output
Peak power, and the output voltage controlling described first PFC boost module is corresponding defeated of described peak power
Go out voltage.
3. power supply as claimed in claim 1, it is characterised in that described PFC monitoring module specifically for:
When the output voltage described exchange input module and described solar energy input module being detected all is not zero
Time, control to open described first PFC boost module and described second PFC boost module；
Control described first PFC boost module and the output voltage of described solar energy input module is carried out first
Boosting processes and obtains the first output voltage, controls described second PFC boost module to described exchange input module
Output voltage carry out the second boosting and process and obtain the second output voltage, and according to described first output voltage
Calculating the first output of described solar energy input module, described first output voltage is second more defeated than described
Go out voltage height Second Threshold；
Control described first PFC boost module and the output voltage of described solar energy input module is carried out the 3rd
Boosting processes and obtains the 3rd output voltage, and described 3rd output voltage is higher by first than described first output voltage
Threshold value；Control described second PFC boost module and the output voltage of described exchange input module is carried out the 4th liter
Pressure processes and obtains the 4th output voltage, and described 4th output voltage is higher by described the than described second output voltage
One threshold value, and according to described 3rd output voltage, calculate the second output work of described solar energy input module
Rate；
Control described first PFC boost module and the output voltage of described solar energy input module is carried out the 5th
Boosting processes and obtains the 5th output voltage, and described 5th output voltage is lower than described first output voltage described
First threshold；Control described second PFC boost module and the output voltage of described exchange input module is carried out
Six boostings process and obtain the 6th output voltage, and described 6th output voltage is than the described second low institute of output voltage
State first threshold, according to described 5th output voltage, calculate the 3rd output of described solar energy input module
Power；
Select from described first output, described second output and described 3rd output
Peak power；If described peak power is described first output, control described first PFC boost module
It is respectively described first output voltage and described second defeated with the output voltage of described second PFC boost module
Go out voltage；If described peak power is described second output, control described first PFC boost module and
The output voltage of described second PFC boost module is respectively described 3rd output voltage and described 4th output
Voltage；If described peak power is described 3rd output, control described first PFC boost module and institute
The output voltage stating the second PFC boost module is respectively described 5th output voltage and described 6th output electricity
Pressure.
4. power supply as claimed in claim 1, it is characterised in that described PFC monitoring module is additionally operable to:
When the output voltage described exchange input module being detected is not zero, described solar energy input module
When output voltage is zero, control to close described first PFC boost module, control to open described 2nd PFC liter
Die block, and control described second PFC boost module the output voltage of described exchange input module is risen
Pressure processes.
5. the power supply as described in any one of Claims 1-4, it is characterised in that described PFC monitoring module
Including alternating voltage sampling module, solar voltage sampling module, two-way PFC monitoring module and solar energy
Controller；
Described alternating voltage sampling module, for the output voltage of described exchange 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 for the output electricity sampled according to described alternating voltage sampling module
First PFC boost module described in the output voltage control that pressure and described solar voltage sampling module are sampled
Work with at least one boost module in described second PFC boost module；
Described controller for solar, for calculating the output of described solar energy input module.
6. power supply as claimed in claim 5, it is characterised in that described power supply also includes:
High direct voltage module, for by the output voltage of described first PFC boost module and described 2nd PFC
The output voltage of boost module carries out output and confluxes, the storage of horizontal high voltage direct current of going forward side by side and filtering.
7. a base station, including the communication power supply as described in any one of claim 1 to 6.
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| CN201510055527.9A CN104578376B (en) | 2015-01-31 | 2015-01-31 | A kind of communication power supply |
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| CN106679109A (en) * | 2017-01-16 | 2017-05-17 | 广东美的制冷设备有限公司 | Solar air conditioner control device and control method |
| CN109449997B (en) * | 2019-01-10 | 2020-05-19 | 广东志成冠军集团有限公司 | Modular high-power shore power supply system |
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| EP1583402A1 (en) * | 2004-03-12 | 2005-10-05 | TridonicAtco GmbH & Co. KG | Control of lighting devices with a central AC/DC cascaded converter |
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