CN107834595A - A kind of solar energy based on less radio-frequency and wind energy complementary electric power system and its method of work - Google Patents
A kind of solar energy based on less radio-frequency and wind energy complementary electric power system and its method of work Download PDFInfo
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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
- Y02B10/10—Photovoltaic [PV]
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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
- Y02B10/30—Wind power
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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
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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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
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
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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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The invention discloses a kind of solar energy based on less radio-frequency and wind energy complementary electric power system and its method of work, including supervision and management center, RF radio frequency networks and some peasant household's monitor nodes；The supervision and management center includes industry control PC and RF radio-frequency communication modules, and the PC is connected by serial ports with communication module and carries out data exchange；Peasant household's monitor node includes solar panel, wind-driven generator, wind light mutual complementing control unit, electric power main control unit and RF radio-frequency communication modules, the output end of the solar panel and wind-driven generator is connected with the input of wind light mutual complementing control unit, the direct current that the wind light mutual complementing control unit exports solar panel, the alternating current that wind-driven generator exports is converted to direct current electricity output and gives electric power main control unit, public electric wire net is connected with the energization input of electric power main control unit, and RF radio-frequency communication modules establish two-way communication link with electric power main control unit；The supervision and management center is utilized respectively respective RF radio-frequency communication modules with peasant household's monitor node and establishes communication connection by RF radio frequency networks.
Description
Technical field
The present invention relates to a kind of electric power system, integrated application wireless communication technology, network technology and Automatic Control Theory,
Clean energy resource and application of the energy-saving building technology in farm building, and in particular to a kind of solar energy based on less radio-frequency with
Wind energy complementary electric power system and its method of work.
Background technology
Currently, grange is substantially at the spontaneous setup state of no architectural design, fail to take into full account weather, direction,
The environmental factors such as ventilation, also do not utilize regenerative resource well.On the other hand, grange still uses distributing heating side
Formula, heating energy consumption waste serious.Residence outer wall, roofing and the door and window in rural area etc. still use standard practice, and house building enclosure is protected
Warm poor performance, exterior wall and roofing heat transfer coefficient cause heating energy consumption to waste tight well beyond the limit value of design standard for energy efficiency of buildings
Weight.Therefore, carrying out farm building Study on energy saving has very strong realistic meaning.
For the characteristics of current China's farm building energy consumption is big, region is wide, populous, the present invention have developed a kind of practicality
New energy application technology-solar energy and wind energy complementary electric power system.
The content of the invention
The purpose of the present invention is to overcome above mentioned problem, proposes that a kind of solar energy based on less radio-frequency supplies with wind energy complementary
Electric system and its method of work.
Technical scheme：A kind of solar energy based on less radio-frequency described in technical scheme and wind energy complementary power supply system
System, including supervision and management center, RF radio frequency networks and some peasant household's monitor nodes；The supervision and management center includes industry control
PC and RF radio-frequency communication modules, the PC are connected by serial ports with RF radio-frequency communication modules and carry out data exchange；The agriculture
Family monitor node leads to including solar panel, wind-driven generator, wind light mutual complementing control unit, electric power main control unit and RF radio frequencies
Believe module, the output end of the solar panel and wind-driven generator is connected with the input of wind light mutual complementing control unit, institute
State direct current, the alternating current of wind-driven generator output that wind light mutual complementing control unit sends solar panel and be converted to direct current
Level, which exports, gives electric power main control unit, and public electric wire net is connected with the energization input of electric power main control unit, RF radio-frequency communication modules
Two-way communication link is established with electric power main control unit；The supervision and management center is utilized respectively respective RF with peasant household's monitor node
Radio-frequency communication module is established by RF radio frequency networks and communicated to connect.
Further, the wind light mutual complementing control unit includes solar power generation interface, wind-power electricity generation interface and control electricity
Road, the wind power generation module include wind-power electricity generation interface, bridge rectifier wave filter, DC/DC converters one, solar power generation mould
Block includes solar power generation interface and DC/DC converters two, output end and the bridge rectifier wave filter of the wind-driven generator
Input is connected, and the output end of bridge rectifier wave filter is connected with the input of DC/DC converters one, DC/DC converters one
The input of output end and control circuit is connected, and the output end of solar panel is connected with the input of DC/DC converters two,
The output end of the DC/DC converters two and the input of control circuit connect.
Further, the electric power main control unit include microcontroller, battery, charging circuit, inversion step-up circuit,
LCD control modules and RF radio-frequency communication modules, public electric wire net is divided into two-way after current rectifying and wave filtering circuit, all the way through reduction voltage circuit
It is connected afterwards with the input of charging circuit, the converted switch of another way is connected with domestic loads；Wind light mutual complementing control unit it is defeated
Go out end to be connected with the input of charging circuit, the input connection of the output end of charging circuit and batteries, battery it is defeated
Go out end to connect through the input of DC/DC converters and inversion step-up circuit, the output end of the inversion step-up circuit is opened with conversion
Connection connects；The charging circuit, battery, change-over switch, LCD control modules, radio-frequency communication module monitor by microcontroller
Control.
Further, voltage detecting circuit, the voltage inspection are additionally provided between the batteries and inversion step-up circuit
Slowdown monitoring circuit is connected with microcontroller.Voltage detecting circuit gathers the DC voltage of battery output in real time, if meeting output condition,
Then electric energy is delivered in inversion step-up circuit, and the magnitude of voltage after boosting is shown in the LCD of microcontroller；If not satisfied, then
Current supply circuit is switched into public electric wire net.
Further, the change-over switch is a kind of solid-state relay.
Further, the power supply output end of the battery is also connected with main DC/DC converters and auxiliary DC/DC converters.
Further, the LCD control modules include control model setting, systematic parameter monitoring, procedure parameter alarm and
Automatically control parameter setting.
Further, the radio-frequency communication module in peasant household's monitor node utilizes I2C interface and electric power main control unit phase
Even.
Above-mentioned technical proposal can be seen that beneficial effects of the present invention：
(1) a kind of solar wind-energy complementary power supply system based on less radio-frequency of the present invention, makes full use of the sun
, using public electric wire net as stand-by power supply, under conditions of permission, dump power can also can be returned with this clean energy resource of wind energy
It is fed in power network, obtains electricity charge compensation, be effectively improved rural power service and power consumption efficiency, reduces dependence of the rural electricity consumption to power supply network
Property, the degree of self-sufficiency and energy-saving efficiency of rural electricity consumption are improved, and then effectively alleviate the imbalance between supply and demand of rural area electric energy, it is a kind of positive
Novel electric pattern, the situation of the shortage of electric power of the vast rural areas can be alleviated significantly, can be not only used for newly-built rural area villages and small towns,
Available for the reducing energy consumption of existing building group, its fractional energy savings is high, and the user that is easy to get receives,
(2) a kind of solar energy based on less radio-frequency of the present invention and wind energy complementary electric power system, can be certain
The quantity of solar cell module is reduced in degree, reduces the cost of electric power system, the monitoring network based on less radio-frequency, bottom
Control has the advantages that interoperability, high reliability, mounting cost are low and control system is easy to safeguard, between intermediate communication has
Disconnected, paroxysmal and data transfer feature frequently, a small amount of, disclosure satisfy that villages and small towns energy-saving monitoring administrative center and scene are each
The communicating requirement of peasant household's energy-saving monitoring apparatus.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of peasant household's monitor node of the present invention；
Fig. 3 is the structural representation of wind light mutual complementing control unit of the present invention；
Fig. 4 is the schematic diagram of the electric power main control unit of the present invention；
Fig. 5 is the workflow schematic diagram of the present invention.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Diagram is closed, above-mentioned technical proposal is expanded on further.
A kind of solar energy based on less radio-frequency as Figure 1-5 and wind energy complementary electric power system, including monitoring management
Center 1, RF radio frequency networks 2 and some peasant household's monitor nodes 3；
The supervision and management center 1 includes industry control PC and RF radio-frequency communication modules, the PC and RF radio communication moulds
Block is connected by serial ports and carries out data exchange；
The major function of supervision and management center 1 is：1. system conditions monitor：The sun of each peasant household in display system
The working condition of energy/wind power supply device.2. the system operating mode of remotely located resident family.3. resident family's alert process：Receive
After the Realtime Alerts information of family, it is handled.History alarm logging information can be checked by history alarm logging table, and is had
There is alarm logging printing function.In addition, can also the class's of realization form, daily sheet, moon sheet display and printing.
Villages and small towns Surveillance center node hardware mentality of designing is as follows：
Energy-saving monitoring center is made up of a PC and a RF radio-frequency communication module, and PC machines are the same as RF radio-frequency communication modules
It is connected by serial ports (RS232), carries out data exchange, PC machines can be by host computer graphic user interface (GUI) to peasant household's node
It is monitored and controls.Its RF radio-frequency communication module selects Texas Instrument's MSP430F233 microcontrollers, is equipped with CC1101 radio frequencies
Transceiver, the software FIFO data buffer zone of data transmission/reception is also opened with preferably interim data.
The major function of peasant household's monitor node 3 is as follows：1. the continuous confession of solar energy and wind generator system and public electric wire net
Fulgurite is managed；2. system conditions are shown；3. fault alarm；4. timing uploads data message to Surveillance center.Specifically, it is described
Peasant household's monitor node 3 includes solar panel 31, wind-driven generator 32, wind light mutual complementing control unit 33, electric power main control unit
34 and RF radio-frequency communication modules, the output end of the solar panel 31 and wind-driven generator 32 and wind light mutual complementing control are single
The input connection of member 33, direct current, the wind-power electricity generation that the wind light mutual complementing control unit 33 sends solar panel 31
The alternating current that system 32 is sent is converted to direct current electricity output to electric power main control unit 34, public electric wire net 4 and electric power main control unit 34
Energization input connection, RF radio-frequency communication modules and electric power main control unit 34 establish two-way communication link；The monitoring management
Center 1 is utilized respectively respective RF radio-frequency communication modules with peasant household's monitor node 3 and establishes communication link by the network of RF less radio-frequencies net 2
Connect.Wherein, wind-driven generator 32 mainly includes wind-driven generator, three-phase permanent synchronous generator, bridge-type filter-rectifier, DC/
The several parts of DC converters, wherein wind-driven generator driving magneto alternator generate electricity, after the alternating current sent is rectified
Deliver to battery 342.Wind-driven generator is made up of head, swivel, empennage, blade.Functions are：Blade is used for receiving wind
Power simultaneously switchs to electric energy by head；Empennage makes blade all the time against the direction for carrying out wind so as to obtain the wind energy of maximum；Swivel can make
Head is neatly rotated to realize the function of empennage adjustment direction；The rotor of head is permanent magnet, stator winding cutting magnetic line
Produce electric energy.Solar power generation shares a batteries with wind-power electricity generation.
The wind light mutual complementing control unit 33 includes wind power generation module 331, solar electrical energy generation module 332, control circuit
333, the wind power generation module 331 includes wind-power electricity generation interface 3311, bridge rectifier wave filter 3312, DC/DC converters one
3313, solar electrical energy generation module 332 includes solar power generation interface 3321 and DC/DC converters 2 3322, the wind-power electricity generation
The output end of interface 3311 is connected with the input of bridge rectifier wave filter 3312, the output end of bridge rectifier wave filter 3312 with
The input of DC/DC converters 1 connects, and the output end of DC/DC converters 1 connects with the input of control circuit 333
Connect, the output end of the plate 3321 of solar cell is connected with the input of DC/DC converters 2 3322, the DC/DC converters
2 3322 output end is connected with the input of control circuit 333.
Wind light mutual complementing control unit 33 is by the power storage after the two kinds of conversions of solar energy and wind energy in battery 342.Wind
The output in solar power generation loop and wind-power electricity generation loop is converted to 12V DC level and exported to electricity by light complementation control unit 33
Power main control unit 34.Therebetween I2C connections are used to realize the interaction of data and control instruction.Operation principle is specific as follows：
Solar panel 31 is installed on the roof of each peasant household and family small-sized wind power generator 32, wind light mutual complementing control unit 33 are divided
The electrical power storage for not exporting solar panel 31 and wind-driven generator 32 is in battery 342；Electric power main control unit 34 is controlled
The power supply of solar energy processed and solar wind power station system and civil power, and behavior resident family provides continuous electric energy, it is preferential to use cleaning
The energy, i.e., when the electric energy insufficient supply of solar energy and solar wind power station system, automatically switch to public electric wire net 4 and supplied for resident family
Electricity；Peasant household's monitor node 3 is communicated using RF radio-frequency communication modules by RF radio frequency networks 2 with supervision and management center 1.
Electric power main control unit described in the present embodiment 34 includes microcontroller 341, battery 342, charging circuit 343, inverse
Become booster circuit 344, LCD control modules 345 and RF radio-frequency communication modules, public electric wire net 4 after current rectifying and wave filtering circuit 5 to be divided into
Two-way, all the way the input with charging circuit 343 after reduction voltage circuit 6 be connected, another way it is converted switch 7 with domestic loads 8
Connection；The output end of wind light mutual complementing control unit 33 is connected with the input of charging circuit 343, the output end of charging circuit 343
It is connected with the input of batteries 342, the output end of battery 342 is connected with the input of inversion step-up circuit 344, described
The output end of inversion step-up circuit 344 is connected with change-over switch 7；The charging circuit 343, battery 342, change-over switch 7,
LCD control modules 345, radio-frequency communication module are detected and controlled by microcontroller 341.
The selection of microcontroller 341：In the present invention, according to the demand of Monitoring and control system, electric power main control unit 34
The C2000 Series of MCU that Texas Instrument (Texas Instrument) are produced has been selected as home node hardcore,
It is aided with RF radio-frequency communication modules, each node of monitoring network is devised, to realize the target of energy-saving monitoring.
Rectification reduction voltage circuit：It is changed into direct current after the AC rectification of public electric wire net 4, is electric power storage in night dip rate period
Pond 342 is charged, and when intensity of illumination and wind-force deficiency, battery 342 can still play a role.Three-phase full-bridge controlled rectifier closes
When lock start-up course or discontinuous current, to make circuit working properly, the present invention ensures to simultaneously turn on using Two-pulse triggering mode
Two IGCTs have pulse, the triggers circuit power output of triggering mode requirement is small, produces steeper pulse front edge.
Inversion step-up circuit：Direct current in battery 342 can meet to produce after inverter is transformed to alternating current
The needs of life.The design philosophy that the present invention is combined using inversion and booster circuit, reduce the loss in electric current transmission.Design
Thinking is reconverted into high voltage alternating current for low voltage and direct current first is converted into low-voltage AC electricity.Export alternating current
Fundamental wave virtual value IUI and DC current Id relation are as shown by the following formula.
In inverter circuit design, series capacitance is set in AC, with what is stored in load inductance during the absorbing circuit change of current
Energy, exchange lateral load are transformer, and this kind of pattern is current-mode inverter circuit.
Battery 342：Battery 342 is photovoltaic and the key equipment in wind generator system, for storing solar energy
Electric energy caused by photovoltaic array, wind-driven generator simultaneously provides electric energy to load circuit.When only considering photovoltaic generation, battery 342 holds
Amount can be calculated by following equation.
C=(D*F*PO)/(L*U*Ka)
In formula, C is accumulator capacity (Ah)；D is most long time (h) without sunshine；F is discharging efficiency correction factor；
P0For average size (kW)；L is the maintenance rate of battery；U is battery discharging depth；KaFor ac circuit loss late.Only examine
When considering wind-power electricity generation, the total capacity of batteries can calculate as follows：
Total capacity=(daily electricity consumption time × electrical appliance general power × 1.67) ÷ accumulator battery voltages
When wind light mutual complementing is powered, the electricity that 2 systems are provided can be estimated as follows：(1) solar energy resources
The area of preference, using wind-force as supplement.The electricity that the generating of solar panel 31 provides is about three points of resident family's total electricity consumption
Two, wind-driven generator 32 provide electricity be about 1/3rd of resident family's total electricity consumption；(2) area of wind resource preference,
Using solar energy as supplement.The electricity that the generating of wind-driven generator 32 provides is about 2/3rds of resident family's total electricity consumption, solar energy
The electricity that the generating of cell panel 31 provides is about 1/3rd of resident family's total electricity consumption.On the whole, the power of battery 342 will height
In 4 times or so of the power of load, system worked well is just can guarantee that, battery 342 can be calculated according to this reason
Quantity.
Voltage detecting circuit is additionally provided between batteries 342 described in the present embodiment and inversion step-up circuit 344, it is described
Voltage detecting circuit is connected with microcontroller 341.
Change-over switch 7 described in the present embodiment is a kind of solid-state relay.
The power supply output end of battery 342 described in the present embodiment is also connected with main DC/DC converters 9 and auxiliary DC/DC becomes
Parallel operation 10.It is to carry out regulation of energy that it, which is acted on, the convenient energy flow adjusted between battery and dc bus, effectively reduces electricity
It can be lost, improve the service life of battery 342.
LCD control modules described in the present embodiment 345 includes control model setting, systematic parameter monitoring, procedure parameter report
Warn and automatically control parameter setting.Control model is set：Realize the automatic/hand switching of power supply mode；Systematic parameter monitors：It is aobvious
Show the system operation information such as accumulator electric-quantity, supply current, supply voltage, power supply frequency, performance loop instruction；Process is joined
Number alarm：In system operation, resident family's failure carries out Realtime Alerts, and alarm signal is reached into host computer.I.e. to resident family
The abnormalities such as the electricity of battery 342 of node, supply current, supply voltage, power supply frequency are alarmed；Automatically control
Parameter setting：Each main control parameters automatically controlled are configured, changed.
Radio-frequency communication module in peasant household's monitor node described in the present embodiment 3 utilizes I2C interface and electric power main control unit
34 are connected.
Electric power main control unit 34 detects the voltage of battery 342 in the present embodiment, and control change-over switch selects current supply circuit, and
The break-make of charging circuit 343 is controlled according to working hour.During in view of illumination and insufficient wind-force, solar energy and the complementary confession of wind-force
Electric system can not generate electricity, and its power supply has discontinuity.System uses " tou power price " management of power use strategy, is considering use
On the basis of family power demand and network load level, using peak load shifting as target, in low power consumption period, by battery 342
As load, battery 342 is charged in paddy rate period.For example, the Time segments division of the civilian tou power price in Suzhou is：8:
00—21:0.5583 yuan/kWh of execution peak electricity tariff during 00,21:00-next day 8:Low ebb electricity price is performed during 00
0.3583 yuan/kWh.In the present invention, when 342 not enough power supply of battery, from utility network 4 to user load power and
Off-peak electricity price period carries out power saving management by switch transition switch 7, connects charging circuit 343 and is charged to battery 342.
In this way, battery 342 is powered to user load in high rate period, can greatly reduce user in low rate period electric power storage
Electric cost expenditure.
Embodiment is only illustrative of the invention and is not intended to limit the scope of the invention, after the present invention has been read, this
Art personnel fall within the application appended claims limited range to the various equivalences of the present invention.
Claims (9)
1. a kind of solar energy based on less radio-frequency and wind energy complementary electric power system, it is characterised in that：Including supervision and management center
（1）, RF radio frequency networks（2）With some peasant household's monitor nodes（3）；
The supervision and management center（1）Including industry control PC and RF radio-frequency communication modules, the PC and RF radio-frequency communication modules
Connected by serial ports and carry out data exchange；
Peasant household's monitor node（3）Including solar panel（31）, wind-driven generator (32), wind light mutual complementing control unit
（33）, electric power main control unit（34）With RF radio-frequency communication modules, the solar panel（31）With wind-driven generator (32)
Output end and wind light mutual complementing control unit（33）Input connection, the wind light mutual complementing control unit（33）By solar cell
Plate（31）The direct current sent, the alternating current that wind-driven generator (32) is sent are converted to direct current electricity output and give electric power main control unit
（34）, public electric wire net（4）With electric power main control unit（34）Energization input connection, RF radio-frequency communication modules and electric power master control list
Member（34）Establish two-way communication link；
The supervision and management center（1）With peasant household's monitor node（3）Be utilized respectively respective RF radio-frequency communication modules by RF without
Line radio frequency network（2）Network establishes communication connection.
2. a kind of solar energy based on less radio-frequency according to claim 1 and wind energy complementary electric power system, its feature exist
In：The wind light mutual complementing control unit（33）Including wind power generation module（331）, solar electrical energy generation module（332）, control circuit
（333）, the wind power generation module（331）Including wind-power electricity generation interface（3311）, bridge rectifier wave filter（3312）、DC/DC
Converter one（3313）, solar electrical energy generation module（332）Including solar power generation interface（3321）With DC/DC converters two
（3322）, the wind-driven generator（3311）Output end and bridge rectifier wave filter（3312）Input connection, bridge-type is whole
Flow wave filter（3312）Output end and DC/DC converters one（3313）Input connects, DC/DC converters one（3313）It is defeated
Go out end and control circuit（333）Input connection, solar panel（3321）Output end and DC/DC converters two
（3322）Input connection, the DC/DC converters two（3322）Output end and control circuit（333）Input connect
Connect.
A kind of 3. solar wind-energy complementary power supply system based on less radio-frequency according to claim 2, it is characterised in that：
The electric power main control unit（34）Including microcontroller（341）, battery（342）, charging circuit（343）, inversion step-up circuit
（344）, LCD control modules（345）With RF radio-frequency communication modules, public electric wire net（4）By current rectifying and wave filtering circuit（5）After be divided into two
Road, all the way through reduction voltage circuit（6）The input with charging circuit (343) is connected afterwards, the converted switch of another way（7）Born with family expenses
Carry（8）Connection；Wind light mutual complementing control unit（33）Output end and charging circuit（343）Input connection, charging circuit
（343）Output end and batteries（342）Input connection, battery（342）Output end and inversion step-up circuit
（344）Input connection, the inversion step-up circuit（344）Output end and change-over switch（7）Connection；The charging circuit
（343）, battery（342）, change-over switch（7）, LCD control modules（345）, radio-frequency communication module is by microcontroller（341）
Detection control.
4. a kind of solar energy based on less radio-frequency according to claim 3 and wind energy complementary electric power system, its feature exist
In：The batteries（342）With inversion step-up circuit（344）Between be additionally provided with voltage detecting circuit, the voltage detecting electricity
Road and microcontroller（341）Connection.
5. a kind of solar energy based on less radio-frequency according to claim 4 and wind energy complementary electric power system, its feature exist
In：The change-over switch（7）For a kind of solid-state relay.
6. a kind of solar energy based on less radio-frequency according to claim 1 and wind energy complementary electric power system, its feature exist
In：The battery（342）Power supply output end be also connected with main DC/DC converters（9）With auxiliary DC/DC converters（10）.
A kind of 7. solar wind-energy complementary power supply system based on less radio-frequency according to claim 1, it is characterised in that：
The LCD control modules（345）Including control model setting, systematic parameter monitoring, procedure parameter alarm and automatically control parameter
Setting.
8. a kind of solar energy based on less radio-frequency according to claim 1 and wind energy complementary electric power system, its feature exist
In：Peasant household's monitor node（3）In radio-frequency communication module utilize I2C interface and electric power main control unit（34）It is connected.
9. a kind of a kind of as any described solar energy based on less radio-frequency such as claim 1-8 and wind energy complementary electric power system
Method of work, specific works method are as follows：
（1）By supervision and management center（1）With peasant household's monitor node（3）RF less radio-frequencies are established using RF wireless radio-frequency communication modules
Network（2）Connection；
（2）RF radio-frequency communication modules are regularly by peasant household's monitor node（3）Operating condition send to supervision and management center（1）；
（3）Solar panel（3321）And wind-driven generator（3311）Generated electricity respectively, and by power storage in battery
（342）In；
（4）Voltage detecting circuit detects battery in real time（342）The DC voltage of output, control change-over switch（7）Selection power supply
Loop, and according to working hour, control charging circuit（343）Break-make；
（5）If output voltage meets output condition, electric energy is delivered into inversion step-up circuit（344）In, and then to domestic loads
（8）Power supply；
（6）If output voltage meets that output condition is unsatisfactory for condition, off-peak electricity price period judgement is carried out；
（7）If current supply circuit public electric wire net is not switched into off-peak electricity price period（4）, public electric wire net（4）To with user load
Power supply；
（8）If in off-peak electricity price period, switched by switching（7）Power saving management is carried out, connects charging current to battery（342）
Charging.
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