CN109995074A - A kind of photovoltaic power generation apparatus and its monitoring method - Google Patents

A kind of photovoltaic power generation apparatus and its monitoring method Download PDF

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Publication number
CN109995074A
CN109995074A CN201810003761.0A CN201810003761A CN109995074A CN 109995074 A CN109995074 A CN 109995074A CN 201810003761 A CN201810003761 A CN 201810003761A CN 109995074 A CN109995074 A CN 109995074A
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China
Prior art keywords
data
power generation
processing unit
central processing
electricity
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CN201810003761.0A
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Chinese (zh)
Inventor
薛家祥
朱亮华
赖炜敏
晋刚
袁伟
万珍平
刘旺玉
曾敏
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DONGGUAN CITY JUDA ELECTRONIC Co Ltd
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DONGGUAN CITY JUDA ELECTRONIC Co Ltd
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Priority to CN201810003761.0A priority Critical patent/CN109995074A/en
Publication of CN109995074A publication Critical patent/CN109995074A/en
Pending legal-status Critical Current

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Classifications

    • H02J13/0075—
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • H02J3/383—
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • H02M3/1584—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/388—Islanding, i.e. disconnection of local power supply from the network
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • H02M3/1584—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel
    • H02M3/1586—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel switched with a phase shift, i.e. interleaved
    • 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
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • 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
    • 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
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • 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
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
    • 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
    • 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
    • Y04S10/14—Energy storage units
    • 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
    • Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
    • 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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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The present invention relates to the technical fields of photovoltaic power generation, refer in particular to a kind of photovoltaic power generation apparatus and its monitoring method, include central processing unit, photovoltaic solar array, grid-connected inverting system, off-network inversion system, PWM reversible transducer, relay, for the environment detector and monitor terminal of record a video photovoltaic solar array and its surrounding enviroment；The off-network inversion system includes battery, charging circuit and recommends booster circuit；The central processing unit is also connected with the third data collector of WIFI communication module, the first data collector for acquiring photovoltaic solar array generator data, the second data collector for acquiring accumulator electric-quantity, the transmission of electricity data for detecting relay.The configuration of the present invention is simple, design rationally, realize the inquiry and monitoring in time to power generation data, battery capacity and data of transmitting electricity；Using flexible.

Description

A kind of photovoltaic power generation apparatus and its monitoring method
Technical field
The present invention relates to the technical field of photovoltaic power generation, a kind of photovoltaic power generation apparatus and its monitoring method are referred in particular to.
Background technique
Photovoltaic energy storage machine is typically in the more rich region of solar energy resources, and condition is limited, how instead of manpower progress light Volt monitoring, data save and realize that long-range monitoring becomes great problem.
Summary of the invention
The present invention provides a kind of photovoltaic power generation apparatus and its monitoring method for problem of the prior art, and structure is simple, sets Meter rationally, is realized in time to photovoltaic power generation apparatus monitoring, using flexible.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of photovoltaic power generation apparatus provided by the invention includes central processing unit, photovoltaic solar array, parallel network reverse System, off-network inversion system, PWM reversible transducer, relay, for the ring of record a video photovoltaic solar array and its surrounding enviroment Border detector and monitor terminal, the relay are respectively used to connection alternating current and AC load, and the photovoltaic solar array is logical Grid-connected inverting system is crossed to connect with off-network inversion system, the grid-connected inverting system, relay and off-network inversion system respectively with The connection of PWM reversible transducer；The off-network inversion system includes battery, charging circuit and recommends booster circuit, described It charging circuit and recommends booster circuit and is connect respectively with battery, the charging circuit and to recommend booster circuit bis- with PWM respectively It is connected to converter；The central processing unit is also connected with WIFI communication module, for acquiring photovoltaic solar array generator number According to the first data collector, the second data collector for acquiring accumulator electric-quantity, the transmission of electricity number for detecting relay According to third data collector, the environment detector is electrically connected with central processing unit；The monitor terminal is communicated by WIFI Module is electrically connected with central processing unit.
Wherein, the grid-connected inverting system includes crisscross parallel boost circuit, described to have crisscross parallel boost circuit It is electrically connected respectively with photovoltaic solar array and charging circuit.
Wherein, the central processing unit is also connected with the storage of the power generation data of the history for storing photovoltaic solar array Device.
Wherein, the WIFI communication module is WIFI232 module.
Wherein, the WIFI232 module uses TCP transmission agreement.
Wherein, the environment detector is monitoring camera.
A kind of monitoring method of photovoltaic power generation apparatus, comprising the following steps:
Step 1, the environment detector will take picture transmission to central processing unit；First data collector The power generation data of collected solar array are transmitted to central processing unit；Second data collector is by the electricity of battery Amount information is transmitted to central processing unit；The transmission of electricity data of relay are sent to central processing unit by the third data collector；
Step 2, the central processing unit are divided according to collected power generation data, information about power and transmission of electricity data Analysis processing, and the data that generate electricity, information about power, transmission of electricity data and the picture of environment detector shooting are passed through into WIFI communication module It is transmitted to monitor terminal；
Step 3, the central processing unit according to power generation data, information about power and transmission of electricity data come to grid-connected inverting system, Off-network inversion system, PWM reversible transducer and relay carry out controlling its operating mode.
Beneficial effects of the present invention:
The configuration of the present invention is simple, design rationally, can pass through central processing unit, monitor terminal and WIFI communication module Effect realizes inquiry and monitoring in time to power generation data, battery capacity and data of transmitting electricity, moreover it is possible to supervise by environment detector Survey real-time condition；Further, the present invention is under the action of grid-connected inverting system, off-network inversion system and PWM reversible transducer, Can also realize the generated energy to photovoltaic solar array sell supply electricity to power grid, supply electricity to AC load using or by battery into The storage of row electricity, using flexible can adjust control central processing unit as the case may be to realize the different present invention not Same operating mode, wherein user can be connect by intelligent terminal with monitor terminal, realize the control to central processing unit, It is easy to use.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of photovoltaic power generation apparatus of the invention.
The knot that Fig. 2 cooperates between central processing unit of the invention and photovoltaic solar array, battery and relay Structure schematic diagram.
Fig. 3 is the circuit diagram of crisscross parallel boost circuit of the invention.
Appended drawing reference in figs. 1 to 3 includes:
1-grid-connected inverting system 2-off-network inversion system.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further below with reference to embodiment and attached drawing Bright, the content that embodiment refers to not is limitation of the invention.The present invention is described in detail below in conjunction with attached drawing.
As shown in Figure 1 to Figure 3, a kind of photovoltaic power generation apparatus described in the present embodiment, include central processing unit, photovoltaic too It is positive can array, grid-connected inverting system 1, off-network inversion system 2, PWM reversible transducer, relay, for photovoltaic solar of recording a video The environment detector and monitor terminal of array and its surrounding enviroment, the relay are respectively used to connection alternating current and AC load, The photovoltaic solar array is connect by grid-connected inverting system 1 with off-network inversion system 2, the grid-connected inverting system 1, relay Device and off-network inversion system 2 are connect with PWM reversible transducer respectively；The off-network inversion system 2 includes battery, charging electricity Road and recommend booster circuit, the charging circuit and recommend booster circuit and connect respectively with battery, the charging circuit and Booster circuit is recommended to connect with PWM reversible transducer respectively；The central processing unit is also connected with WIFI communication module, for adopting Collect photovoltaic solar array power generation the first data collector of data, the second data collector for acquiring accumulator electric-quantity, For detecting the third data collector of the transmission of electricity data of relay, the environment detector is electrically connected with central processing unit；Institute Monitor terminal is stated to be electrically connected by WIFI communication module with central processing unit.Specifically, in actual use, photovoltaic solar array It can generate electricity, and by grid-connected inverting system 1, off-network inversion system 2, PWM reversible transducer and relay, realize to power generation It stores, sell electricity and is used for AC load；In photovoltaic solar array generator, PWM can be passed through by grid-connected inverting system 1 Electricity is sent back to power grid or be delivered in AC load by reversible transducer and relay to be used, and grid-connected inverting system 1 can also be passed through It is charged by charging circuit to battery, electricity is saved by battery, then when needing electricity consumption or selling electricity, Under the action of recommending booster circuit, PWM reversible transducer and relay, by battery store electricity be sold to power grid or It is transferred to AC load；The grid-connected inverting system 1, charging circuit and recommend booster circuit be the well known prior art；Power grid It can power to AC load by the effect of relay and PWM reversible transducer, may also pass through the effect of charging circuit to storage Battery charges, flexible and convenient to use；Wherein, it is adopted by the first data collector, the second data collector and third data Collected power generation data, battery capacity and transmission of electricity data are transferred to central processing unit respectively by storage, and central processing unit can be with Monitor terminal is sent data to by WIFI communication module, checks and monitors convenient for user, the monitor terminal can be with For cloud；Further, it is provided with environment detector, user can monitor photovoltaic solar array in real time by it, Photovoltaic solar array is observed and monitored convenient for user, prevents its damage from cannot understand real-time condition；Structure of the invention Simply, design rationally, can be realized by the effect of central processing unit, monitor terminal and WIFI communication module in time to power generation The inquiry and monitoring of data, battery capacity and data of transmitting electricity, moreover it is possible to which real-time condition is monitored by environment detector；Further , the present invention can also realize under the action of grid-connected inverting system 1, off-network inversion system 2 and PWM reversible transducer to light The generated energy of volt solar array, which is sold, to supply electricity to power grid, supply electricity to AC load use or carries out electricity storage by battery, makes With flexible, control central processing unit can be adjusted as the case may be to realize the different operating mode of the different present invention, Wherein, user can be connect by intelligent terminal with monitor terminal, realize the control to central processing unit, easy to use.
A kind of photovoltaic power generation apparatus described in the present embodiment, the grid-connected inverting system 1 include crisscross parallel boost electricity Road, it is described to there is crisscross parallel boost circuit to be electrically connected respectively with photovoltaic solar array and charging circuit.
Wherein, the crisscross parallel boost circuit includes input terminal SOL, output end BUS, capacitor C6, capacitor C7, electricity Hold C181, capacitor C18, inductance L1, inductance L2, diode D1, diode D2, switching tube Q3, capacitor C9, resistance R37, resistance R35, zener diode ZD1, switching tube Q4, capacitor C91, resistance R371, resistance R351, zener diode ZD1, driving signal GQ5 and driving signal GQ6；
The both ends of the capacitor C6 are connect with the both ends of input terminal SOL, the both ends of the capacitor C7 and the two of input terminal SOL End connection；The both ends of the capacitor C18 are connect with the both ends of output end BUS, and the both ends of the capacitor C181 are with output end BUS's Both ends connection；The base stage of the switching tube Q3 is connect with one end of resistance R35, the other end ground connection of resistance R35, the pressure stabilizing two The cathode of the plus earth of pole pipe ZD1, zener diode ZD1 is connect with the base stage of switching tube Q3, and the emitter of switching tube Q3 connects The collector on ground, switching tube Q3 is connect with one end of inductance L1, and the other end of inductance L1 is connect with one end of capacitor C7；It is described The anode of diode D1 is connect with the collector of switching tube Q3, and the cathode of diode D1 is connect with one end of capacitor C181；It is described The collector of switching tube Q3 is connect with one end of capacitor C9, and the other end of capacitor C9 is connect with one end of resistance R37, resistance R37 The other end ground connection；The base stage of the switching tube Q4 is connect with one end of resistance R351, the other end ground connection of resistance R351, described The cathode of the plus earth of zener diode ZD11, zener diode ZD11 is connect with the base stage of switching tube Q4, switching tube Q4's Emitter ground connection, the collector of switching tube Q4 are connect with one end of inductance L2, and the other end of inductance L2 and one end of capacitor C7 connect It connects；The anode of the diode D2 is connect with the collector of switching tube Q4, and the cathode of diode D2 and one end of capacitor C181 connect It connects；The collector of the switching tube Q4 is connect with one end of capacitor C91, and the other end of capacitor C91 and one end of resistance R371 connect It connects, the other end ground connection of resistance R371.Specifically, driving signal GQ5 is as the duty ratio of driving signal GQ6；Wherein, inductance L1, switching tube Q3, diode D1 and its peripheral circuit form the first booster circuit, inductance L2, switching tube Q4, diode D2 and its Peripheral circuit forms the second booster circuit, the first booster circuit and the second booster circuit phase phase difference 180 degree interleaved operation, can be with The ripple of output electric current is reduced, to reduce the current stress of switching tube Q3, switching tube Q4, diode D1 and diode D2；With For one booster circuit, when switching tube Q3 conducting, the voltage that the both ends inductance L1 are born is Uin, and direction is that a left side is positive right negative, this When, for inductive current with the rising of slope K 1, inductance L1 is in energy storage stage, and load is powered by output capacitance, K1=Uin/L.When opening When closing pipe Q3 disconnection, due to the effect of inductance L1, electric current will keep former direction flowing, i.e., by diode D1, to output capacitance C181, C18 charging and powering load.At this point, the voltage of the both ends inductance L1 receiving is Uo-Uin, direction is that the right side is being born just in a left side, electricity For inducing current with the decline of slope K 2, inductance, which is in, releases energy stage, K2=(Uo-Uin)/L.
A kind of photovoltaic power generation apparatus described in the present embodiment, the central processing unit are also connected with for storing photovoltaic solar The storage device of the history power generation data of energy array.Specifically, the storage device can generate electricity history data statistics, and store up It stores away, user can be connect by intelligent terminal with WIFI communication module, and history is generated electricity data by central processing unit It recalls, facilitates user to check history power generation data, understand generated energy every year, monthly, daily in time.
A kind of photovoltaic power generation apparatus described in the present embodiment, the WIFI communication module are WIFI232 module.Specifically, The WIFI232 module selects AP+Staition operating mode, and AP+Staition operating mode can be accessed as Station AP also can be linked into router for other accessing terminal to network, this operating mode, the WIFI232 module for serving as ap mode, The WIFI232 module of Station mode is added in the network of current WIFI232 module creation, and composition one can access interconnection The network of net, it is easy to use.
A kind of photovoltaic power generation apparatus described in the present embodiment, the WIFI232 module use TCP transport protocol.Specifically Ground, TCP transmission agreement are sent to towards connecting and guarantee data security, towards connection by establishing one between two ends Channel, passway cache to store the data received or sent there are Socket, and TCP transmission agreement takes a series of arrange Apply specifically has data re-transmission, destination to give the feedback etc. that data receive to ensure that the safety of data reaches, and has ensured data most It can all be received eventually by the end for wanting to send；Only it is responsible for transmission relative to traditional UDP transport protocol, and not face connects, not really Guarantor eventually arrives at the destination, and is received using the end that TCP transmission agreement can guarantee that data finally all can be wanted to send It arrives.
A kind of photovoltaic power generation apparatus described in the present embodiment, the environment detector are monitoring camera.Specifically, it monitors Camera can shoot the real-time condition of photovoltaic solar array, can be checked by monitor terminal convenient for user；It uses Convenient, the monitor terminal can be cloud, and user is facilitated to check from cloud from different intelligent terminals.
A kind of monitoring method of photovoltaic power generation apparatus described in the present embodiment, comprising the following steps: step 1, the environment Detector will take picture transmission to central processing unit；First data collector is by the hair of collected solar array Electric data are transmitted to central processing unit；The information about power of battery is transmitted to central processing unit by second data collector； The transmission of electricity data of relay are sent to central processing unit by the third data collector；
Step 2, the central processing unit are divided according to collected power generation data, information about power and transmission of electricity data Analysis processing, and the data that generate electricity, information about power, transmission of electricity data and the picture of environment detector shooting are passed through into WIFI communication module It is transmitted to monitor terminal；
Step 3, the central processing unit is according to power generation data, information about power and transmission of electricity data come to grid-connected inverting system 1, off-network inversion system 2, PWM reversible transducer and relay carry out controlling its operating mode.
This method can be realized by the effect of central processing unit, monitor terminal and WIFI communication module in time to power generation The inquiry and monitoring of data, battery capacity and data of transmitting electricity, moreover it is possible to which real-time condition is monitored by environment detector；Further , the present invention can also realize under the action of grid-connected inverting system 1, off-network inversion system 2 and PWM reversible transducer to light The generated energy of volt solar array, which is sold, to supply electricity to power grid, supply electricity to AC load use or carries out electricity storage by battery, makes With flexible, control central processing unit can be adjusted to realize the different work of the different present invention according to particular condition in use Mode.
Wherein, the first data collector in the step 1 carried out primary hair electric data collecting every 30 seconds；Step 1 In the second data collector the acquisition of information about power was carried out every 30 seconds；The third data collector of step one kind is every 30 Second carries out primary defeated electric data collecting；Guarantee data acquisition in time, goes and finds out what's going in time convenient for user.
The above is only present pre-ferred embodiments, is not intended to limit the present invention in any form, although The present invention is disclosed as above with preferred embodiment, and however, it is not intended to limit the invention, any person skilled in the art, It does not depart within the scope of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent change The equivalent embodiment of change, but without departing from the technical solutions of the present invention, technology refers to above embodiments according to the present invention Made any simple modification, equivalent change and modification, belong in the range of technical solution of the present invention.

Claims (7)

1. a kind of photovoltaic power generation apparatus, it is characterised in that: include central processing unit, photovoltaic solar array, grid-connected inverting System, off-network inversion system, PWM reversible transducer, relay, for the environment of record a video photovoltaic solar array and its surrounding enviroment Detector and monitor terminal, the relay is respectively used to connection alternating current and AC load, the photovoltaic solar array pass through Grid-connected inverting system is connect with off-network inversion system, the grid-connected inverting system, relay and off-network inversion system respectively with PWM Reversible transducer connection；The off-network inversion system includes battery, charging circuit and recommends booster circuit, the charging Circuit and recommend booster circuit and connect respectively with battery, the charging circuit and recommend booster circuit respectively with the two-way change of PWM Parallel operation connection；The central processing unit is also connected with WIFI communication module, for acquiring photovoltaic solar array generator data First data collector, the second data collector for acquiring accumulator electric-quantity, transmission of electricity data for detecting relay Third data collector, the environment detector are electrically connected with central processing unit；The monitor terminal passes through WIFI communication module It is electrically connected with central processing unit.
2. a kind of photovoltaic power generation apparatus according to claim 1, it is characterised in that: the grid-connected inverting system includes to hand over Wrong parallel connection boost circuit, it is described to there is crisscross parallel boost circuit to be electrically connected respectively with photovoltaic solar array and charging circuit.
3. a kind of photovoltaic power generation apparatus according to claim 1, it is characterised in that: the central processing unit is also connected with use In the storage device of the history power generation data of storage photovoltaic solar array.
4. a kind of photovoltaic power generation apparatus according to claim 1, it is characterised in that: the WIFI communication module is WIFI232 module.
5. a kind of photovoltaic power generation apparatus according to claim 1, it is characterised in that: the WIFI232 module is passed using TCP Defeated agreement.
6. a kind of photovoltaic power generation apparatus according to claim 1, it is characterised in that: the environment detector is monitoring camera Head.
7. a kind of monitoring method of photovoltaic power generation apparatus, which comprises the following steps:
Step 1, the environment detector will take picture transmission to central processing unit；First data collector will be adopted The power generation data of the solar array collected are transmitted to central processing unit；Second data collector believes the electricity of battery Breath is transmitted to central processing unit；The transmission of electricity data of relay are sent to central processing unit by the third data collector；
Step 2, the central processing unit carry out at analysis according to collected power generation data, information about power and transmission of electricity data Reason, and the data that generate electricity, information about power, transmission of electricity data and the picture of environment detector shooting are transmitted by WIFI communication module To monitor terminal；
Step 3, the central processing unit is according to power generation data, information about power and transmission of electricity data come to grid-connected inverting system, off-network Inversion system, PWM reversible transducer and relay carry out controlling its operating mode.
CN201810003761.0A 2018-01-03 2018-01-03 A kind of photovoltaic power generation apparatus and its monitoring method Pending CN109995074A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106505859A (en) * 2016-11-03 2017-03-15 北京科诺伟业科技股份有限公司 A kind of small-power bi-directional light stores up current transformer
CN107390599A (en) * 2017-09-06 2017-11-24 合肥凌山新能源科技有限公司 Monitoring sensor-based system based on photovoltaic DC-to-AC converter
CN207910486U (en) * 2018-01-03 2018-09-25 东莞市钜大电子有限公司 A kind of photovoltaic power generation apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106505859A (en) * 2016-11-03 2017-03-15 北京科诺伟业科技股份有限公司 A kind of small-power bi-directional light stores up current transformer
CN107390599A (en) * 2017-09-06 2017-11-24 合肥凌山新能源科技有限公司 Monitoring sensor-based system based on photovoltaic DC-to-AC converter
CN207910486U (en) * 2018-01-03 2018-09-25 东莞市钜大电子有限公司 A kind of photovoltaic power generation apparatus

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