CN209488194U - Intelligent photovoltaic module with IV curve scanning function and power generation system - Google Patents
Intelligent photovoltaic module with IV curve scanning function and power generation system Download PDFInfo
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- CN209488194U CN209488194U CN201822010148.XU CN201822010148U CN209488194U CN 209488194 U CN209488194 U CN 209488194U CN 201822010148 U CN201822010148 U CN 201822010148U CN 209488194 U CN209488194 U CN 209488194U
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- 238000010248 power generation Methods 0.000 title abstract description 26
- 238000004891 communication Methods 0.000 claims abstract description 26
- 238000005070 sampling Methods 0.000 claims abstract description 20
- 239000004065 semiconductor Substances 0.000 claims description 33
- 239000003990 capacitor Substances 0.000 claims description 29
- 238000001514 detection method Methods 0.000 claims description 16
- 238000013500 data storage Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 241000208340 Araliaceae Species 0.000 claims 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 1
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 1
- 235000008434 ginseng Nutrition 0.000 claims 1
- 230000004913 activation Effects 0.000 abstract description 8
- 238000013480 data collection Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 11
- 230000006855 networking Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- 238000013082 photovoltaic technology Methods 0.000 description 1
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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
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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
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Abstract
The utility model discloses an intelligence photovoltaic module and photovoltaic power generation system with IV curve scanning function, photovoltaic power generation system includes: the intelligent photovoltaic module is used for converting light energy into electric energy; the inverter is used for converting direct current generated by the photovoltaic module into alternating current; the data acquisition unit is used for receiving performance parameter data information of the intelligent photovoltaic module; the cloud platform is in protocol connection with the data acquisition unit; the intelligent photovoltaic module comprises a photovoltaic module for converting light energy into electric energy, a main controller, a sampling unit for collecting performance parameters of the photovoltaic module and a communication module connected with external communication. The utility model discloses have the safe turn-off function of subassembly level, can close the dc-to-ac converter and break off the data collection station power under emergency for every block of subassembly can not receive activation instruction and system loop current and be 0 and cut off the output of subassembly electric energy, consequently whole power generation system open circuit voltage can fall below the human safe voltage.
Description
Technical field
The utility model belongs to photovoltaic technology field, and in particular to a kind of intelligent photovoltaic group with IV curved scanning function
Part and electricity generation system.
Background technique
Solar energy is inexhaustible, nexhaustible, is a kind of renewable and clean energy resource of green.Since international community is to can be again
The demand of the raw energy is increasingly huge, and China has also put into effect corresponding new energy development policies, and therefore, photovoltaic power generation industry has good
Good development prospect, especially distributed photovoltaic system, flexibly can easily construct small-sized solar power generation system.
In recent years, photovoltaic power generation proportion in power system rises year by year, photovoltaic generating system compositional model also into
The diversification of one step, along with gradualling mature for Module Manufacture Technology, photovoltaic power generation cost is also lower and lower, in some areas, light
Volt power generation is even expected to realize cheap internet access.The photovoltaic power generation of extensive application proposes the reliability of whole system, safety
Higher requirement, traditional photovoltaic module are connected using series-parallel system, once fire occurs, component output cannot quickly be cut
It is disconnected, great risk is brought to fire-fighting and rescue.User terminal is also no longer satisfied with traditional photovoltaic module and its electricity generation system, to photovoltaic
The digitlization of system, intelligent O&M propose greater demand.Photovoltaic DC-to-AC converter and data collector can be to a certain extent
Meet the above demand, however, the inverter currently on the market mostly only power generation parameter of acquisition exchange side, and data collector
It is matched due to a lack of the communication of assembly end and cannot achieve the information collection to assembly end, certain intelligent assemblies have telecommunication
With safe shutdown function, but because installation amount is greatly reduced in fancy price and cumbersome later maintenance and power repetition measurement.
Such as the patent document that notification number is CN 207819856U discloses a kind of IV characteristic curve scanning of photovoltaic array
With parameter identification system, which can only carry out IV curved scanning and power generation parameter monitoring, nothing to entire photovoltaic generating system
Method is monitored for each component, does not also have the turn-off function of component level.This increases many troubles to later period O&M, together
When be also unable to ensure the safety of whole system.
The patent document of Publication No. CN201710114503 discloses a kind of finger comprising power circuit and telecommunication circuit
Enable sending device and photovoltaic module turning off system.The communication instruction sending device of this system introduction takes into consideration only ideally
System shutdown, once occur that wireless communication goes offline or situations such as false triggering just will affect the normal of entire photovoltaic generating system
Operation.And the situation based on power line carrier, PLC (PLC) also has the limitation of component connection quantity.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of intelligent photovoltaic group with IV curved scanning function
Part has the function of IV characterisitic parameter repetition measurement, and the safety and reliability of current photovoltaic generating system can be improved, and simplifies entire photovoltaic
The O&M difficulty of electricity generation system.
The technical solution of the utility model are as follows: a kind of intelligent photovoltaic component with IV curved scanning function, including be used for
The photovoltaic module for converting light energy into electric energy further includes master controller, the sampling unit for acquiring photovoltaic module performance parameter
And the communications module connecting with PERCOM peripheral communication, the master controller include port I/O2, port AN2 and port AN3, it is described
Sampling unit includes IV electrical parameter detection circuit；
The IV electrical parameter detection circuit includes metal-oxide-semiconductor, load RL, sampling resistor R3, electrolytic capacitor, metal-oxide-semiconductor driving U2,
Operational amplifier U3, operational amplifier U4, voltage for acquiring electrolytic capacitor divider resistance R8With divider resistance R9；
The anode of the photovoltaic module output voltage is connected to respectively with electrolytic capacitor anode and metal-oxide-semiconductor Q2 drain electrode connection,
Metal-oxide-semiconductor Q2 source electrode is connect with load resistance RL, and the output end of metal-oxide-semiconductor driving U2 is connect with MOS pipe Q2 grid, and metal-oxide-semiconductor drives U2
Input terminal is connect with master controller port I/O2, acquires electrolytic capacitor by divider resistance R8 and divider resistance R9 during the charging process
The voltage of anode is simultaneously output to port AN2 after the emitter follower that operational amplifier U3 is constituted, and loop current is through over-sampling
Resistance R3 and the in-phase proportion amplifying circuit constituted by operational amplifier U4, which are handled, is output to port AN3.Preferably, described
IV electrical parameter detection circuit further includes anti-reverse diode D6.
Preferably, the master controller further includes port AN4, the sampling unit further includes for detecting photovoltaic module
The temperature sensor of temperature level, the temperature sensor are connect with port AN4 signal.
Preferably, further include linear voltage regulator LDO, bypass diode D5, output filter capacitor C2, metal-oxide-semiconductor Q1, with
The divider resistance R of photovoltaic module anode connection1And the divider resistance R being connect with photovoltaic module cathode2, the master controller is also
Including port I/O1 and port AN1, the divider resistance R1With the divider resistance R2It is connected in series, the divider resistance R1With
The divider resistance R2Series connection point connect with port AN1, the drain electrode of metal-oxide-semiconductor Q1 is connect with photovoltaic module anode, metal-oxide-semiconductor
Q1 source electrode is connected to the anode of bypass diode D5 and output filter capacitor C2, and the cathode and photovoltaic module of output filter capacitor C2 is negative
Pole connection.Port I/O1 controls the work of metal-oxide-semiconductor driving, in addition, entire intelligent photovoltaic component control circuit is by linear voltage regulator
LDO provides suitable operating voltage, and the signal of temperature sensor is input to master controller by port AN4, when system works,
Master controller receives the instruction for coming from external device (ED) (such as data collector) using communications module, and by collected component
Power generation data are sent to data collector.
Preferably, the communications module includes ZigBee module.
Preferably, further including the data storage of information for storing data.
The utility model additionally provides a kind of photovoltaic generating system, comprising:
Intelligent photovoltaic component, for converting light energy into electric energy；
Inverter, the direct current for generating photovoltaic module are converted to alternating current；
Data collector, for receiving the performance parameter data information of intelligent photovoltaic component；
Cloud platform is connect with the data collector agreement；
The intelligent photovoltaic component is such as the above-mentioned intelligent photovoltaic component with IV curved scanning function.
In the utility model photovoltaic generating system, when extraneous radiation parameter meets starting voltage requirement, intelligent photovoltaic component
And data collector is started to work, data collector sends activation instruction, and intelligent photovoltaic component is opened after receiving activation instruction
Metal-oxide-semiconductor externally exports electric energy, while acquiring the output voltage of photovoltaic module, exports the environment temperature in electric current and terminal box
Data are transferred to master controller after AD (analog-digital converter) conversion, and master controller arranges the data after conversion, and counts
Component generated output and accumulated generation amount are calculated, was uploaded every 1 minute and once arrives data collector, while being stored in intelligent photovoltaic group
In the data storage of part, loss of data caused by going offline because of accidental power-off and networking is avoided.
When photovoltaic module works normally in the utility model, IV electrical parameter detection circuit does not work, and is only receiving data
Collector send detection instruction when just start to work, IV electrical parameter detection circuit by acquire electrolytic capacitor on charging voltage and
Charging current calculates the IV characterisitic parameter of component.Electrolytic capacitor charging rate is exceedingly fast, and can choose great Rong in the utility model
The electrolytic capacitor of amount, such as farad capacitor, while the sampling rate of master controller is also improved, to guarantee the accuracy of sampling.One
Do not received in the denier stipulated time data collector transmission activation instruction, and in system circuit electric current be 0 when, intelligent photovoltaic
Master controller ability cutting assembly power output in component, into safe shutdown state, so can be improved system stability and
Practicability, avoid because accidental signal it is bad caused by power generation loss.
Preferably, further including the user terminal being connect with data collector signal.
Preferably, the intelligent photovoltaic component is multiple, multiple intelligent photovoltaic components series connections.
In the utility model intelligent photovoltaic component linked together by series system (intelligent photovoltaic component serial number by
The inverter power of selection determines), and the positive and negative anodes after series connection are linked into inverter, inverter output end accesses power grid, into
Row generates electricity by way of merging two or more grid systems.Data collector can be connect by RS485 bus with inverter, and the hair of inverter ac side is read with this
Electrical parameter, operating status.Data collector is carried out by built-in ZigBee communication module and every piece of intelligent photovoltaic component simultaneously
Broadcast type networking, intelligent photovoltaic component are terminal, and data collector sends command signal to terminal as coordinator, coordinator,
And receive the data of terminal transmission.Data collector is uploaded to by internal powerful CPU operation processing by GPRS network
Cloud platform, user terminal terminal or mobile terminal APP realize data access by the open address interface of server.
Intelligent photovoltaic component has data storage function in the utility model, can pass through support when dispatching from the factory installation
The host computer of ZigBee communication carries out the unified configuration of module information, simplifies the process configurations of production link.It can also protect simultaneously
The power generation information for depositing assembly end facilitates user to carry out historical tracking to the power generation situation of each piece of photovoltaic module.Due to assembly end
With data storage function, the information that entire electricity generation system will not influence terminal because of the power-off suspension of data collector is aobvious
Show.Intelligent photovoltaic component can carry out wireless networking communications, intelligent photovoltaic group using ZigBee communication agreement and data collector
Part receives the instruction from data collector by ZigBee-network, and component power generation data and operating status are sent to data
Collector.
Compared with prior art, the beneficial effects of the utility model are embodied in:
(1) compared with traditional photovoltaic module and its electricity generation system, the utility model proposes intelligent assembly have component
The safe shutdown function of grade can in case of emergency close inverter and turn-off data collector power supply, so that every block assembly
It does not receive activation instruction and system circuit electric current is 0 and cutting assembly power output, therefore entire electricity generation system open-circuit voltage
Human safety voltage or less can be dropped to.Intelligent assembly can also monitor DC generation side (assembly end) power generation parameter simultaneously, lead to
The information exchange with data collector and terminal device is crossed, user can be with the power generation information of real time inspection component and the fortune of component
Row state, convenient for implementing necessary maintenance to component.
(2) the utility model provides component IV characterisitic parameter repetition measurement function, and it is 25 years that photovoltaic module, which is typically designed the service life,
Its output power has a degree of decaying every year after coming into operation, if desired the later period redeterminates component IV characterisitic parameter
It is then very troublesome, therefore intelligent assembly IV characterisitic parameter test function described in the utility model then can be above-mentioned with effective solution
Problem.
(3) intelligent assembly of the utility model using ZigBee communication and has data storage function, when dispatching from the factory installation
The process configurations of production link can be simplified by supporting the host computer of ZigBee communication to carry out the unified configuration of module information.
The power generation information that assembly end can also be saved simultaneously, the information that terminal will not be influenced because of the power-off suspension of data collector are aobvious
Show.
Detailed description of the invention
Fig. 1 is the composition schematic diagram of the utility model electricity generation system.
Fig. 2 is the electrical schematic diagram of the utility model intelligent photovoltaic component.
Fig. 3 is the utility model intelligent photovoltaic component system function module block diagram.
Fig. 4 is IV electrical parameter detection circuit schematic diagram in the utility model intelligent photovoltaic component.
Specific embodiment
The utility model is a kind of photovoltaic generating system, and as depicted in figs. 1 and 2, the utility model includes:
Intelligent photovoltaic component 1, for converting light energy into electric energy；
Inverter 2, the direct current for generating photovoltaic module are converted to alternating current；
Data collector 3, for receiving the performance parameter data information of intelligent photovoltaic component 1；
Cloud platform 4 is connect with 3 agreement of data collector；
Intelligent photovoltaic component 1 is a kind of intelligent photovoltaic component 1 with IV curved scanning function.
As shown in Figure 2 and Figure 4, the utility model includes the photovoltaic module for converting light energy into electric energy, further includes master
Controller, the sampling unit for acquiring photovoltaic module performance parameter, for storing data the data storage of information and with
The communications module of PERCOM peripheral communication connection, master controller includes port I/O2, port AN2 and port AN3, and sampling unit includes IV
Electrical parameter detection circuit；
Wherein, IV electrical parameter detection circuit includes metal-oxide-semiconductor, load RL, sampling resistor R3, electrolytic capacitor, metal-oxide-semiconductor driving U2,
Operational amplifier U3, operational amplifier U4, voltage for acquiring electrolytic capacitor divider resistance R8With divider resistance R9；
The anode of photovoltaic module output voltage is connected to respectively with electrolytic capacitor anode and metal-oxide-semiconductor Q2 drain electrode connection, metal-oxide-semiconductor
Q2 source electrode is connect with load resistance RL, and the output end of metal-oxide-semiconductor driving U2 is connect with metal-oxide-semiconductor Q2 grid, and metal-oxide-semiconductor drives U2 input
End is connect with master controller port I/O2, during the charging process by divider resistance R8 and divider resistance R9 acquisition electrolytic capacitor anode
Voltage and be output to port AN2 after the emitter follower that operational amplifier U3 is constituted, loop current passes through sampling resistor
R3 and the in-phase proportion amplifying circuit constituted by operational amplifier U4, which are handled, is output to port AN3.Preferably, IV parameter is examined
Slowdown monitoring circuit further includes anti-reverse diode D6.
As shown in figure 3, master controller further includes port AN4 in the utility model, sampling unit further includes for detection light
The temperature sensor of component temperature size is lied prostrate, temperature sensor is connect with port AN4 signal.
The utility model further include linear voltage regulator LDO, bypass diode D5, output filter capacitor C2, metal-oxide-semiconductor Q1, with
The divider resistance R of photovoltaic module anode connection1And the divider resistance R being connect with photovoltaic module cathode2, master controller further includes
Port I/O1 and port AN1, divider resistance R1With divider resistance R2It is connected in series, divider resistance R1With divider resistance R2Series connection
Tie point is connect with port AN1, and the drain electrode of metal-oxide-semiconductor Q1 is connect with photovoltaic module anode, and metal-oxide-semiconductor Q1 source electrode is connected to two poles of bypass
The cathode of the anode of pipe D5 and output filter capacitor C2, output filter capacitor C2 is connect with photovoltaic module cathode.Port I/O1 control
The work of metal-oxide-semiconductor driving processed, in addition, entire 1 control circuit of intelligent photovoltaic component provides suitable work by linear voltage regulator LDO
Make voltage, the signal of temperature sensor is input to master controller by port AN4, and when system works, master controller uses communication
Mould group receives the instruction for coming from external device (ED) (such as data collector 3), and collected component power generation data are sent to number
According to collector 3.Communications module may include ZigBee module in the utility model.
In the utility model photovoltaic generating system, when extraneous radiation parameter meets starting voltage requirement, intelligent photovoltaic component 1
And data collector 3 is started to work, data collector 3 sends activation instruction, and intelligent photovoltaic component 1 is beaten after receiving activation instruction
Metal-oxide-semiconductor is opened, electric energy is externally exported, while acquiring the output voltage of photovoltaic module, exports the environment temperature in electric current and terminal box
Degree evidence is transferred to master controller after AD (analog-digital converter) conversion, and master controller arranges the data after conversion, and
Computation module generated output and accumulated generation amount uploaded every 1 minute and once arrive data collector 3, while being stored in intelligent light
In the data storage for lying prostrate component 1, loss of data caused by going offline because of accidental power-off and networking is avoided.
When photovoltaic module works normally in the utility model, IV electrical parameter detection circuit does not work, and is only receiving data
It just starts to work when the detection instruction that collector 3 is sent, IV electrical parameter detection circuit passes through the charging voltage on acquisition electrolytic capacitor
And charging current calculates the IV characterisitic parameter of component.Electrolytic capacitor charging rate is exceedingly fast, and can choose in the utility model big
The electrolytic capacitor of capacity, such as farad capacitor, while the sampling rate of master controller is also improved, to guarantee the accuracy of sampling.
Once do not received in the stipulated time data collector 3 transmission activation instruction, and in system circuit electric current be 0 when, intelligence
The stabilization of system so can be improved into safe shutdown state in master controller ability cutting assembly power output in photovoltaic module 1
Property and practicability, avoid because accidental signal it is bad caused by power generation loss.
It further include the user terminal 5 being connect with 3 signal of data collector in the utility model.User is whole in the utility model
End 5 can be mobile terminal, such as plate or mobile phone etc..
Intelligent photovoltaic component 1 is multiple in the utility model, and multiple intelligent photovoltaic components 1 are connected in series.Intelligent photovoltaic group
Part 1 is linked together by series system (1 serial number of intelligent photovoltaic component by select 2 power decision of inverter), and will
Positive and negative anodes after series connection are linked into inverter 2, and 2 output end of inverter accesses power grid, generates electricity by way of merging two or more grid systems.Data collector 3 can
To connect by RS485 bus with inverter 2, the power generation parameter of the exchange of inverter 2 side, operating status are read with this.Simultaneously
Data collector 3 carries out broadcast type networking, intelligent photovoltaic by built-in ZigBee communication module and every piece of intelligent photovoltaic component 1
Component 1 is terminal, and data collector 3 is used as coordinator, and coordinator sends command signal to terminal, and receives the number of terminal transmission
According to.Data collector 3 uploads to cloud platform 4 by GPRS network by internal powerful CPU operation processing, and user terminal is whole
The address interface realization data access that end or mobile terminal APP are opened by server.
Intelligent photovoltaic component 1 has data storage function in the utility model, can pass through support when dispatching from the factory installation
The host computer of ZigBee communication carries out the unified configuration of module information, simplifies the process configurations of production link.It can also protect simultaneously
The power generation information for depositing assembly end facilitates user to carry out historical tracking to the power generation situation of each piece of photovoltaic module.Due to assembly end
With data storage function, the information that entire electricity generation system will not influence terminal because of the power-off suspension of data collector 3 is aobvious
Show.Intelligent photovoltaic component 1 can carry out wireless networking communications, intelligent photovoltaic using ZigBee communication agreement and data collector 3
Component 1 receives the instruction from data collector 3 by ZigBee-network, and component power generation data and operating status are sent to
Data collector 3.
Claims (9)
1. a kind of intelligent photovoltaic component with IV curved scanning function, including the photovoltaic group for converting light energy into electric energy
Part, which is characterized in that further include master controller, the sampling unit for acquiring photovoltaic module performance parameter and and PERCOM peripheral communication
The communications module of connection, the master controller include port I/O2, port AN2 and port AN3, and the sampling unit includes IV ginseng
Number detection circuit；
The IV electrical parameter detection circuit includes metal-oxide-semiconductor, load RL, sampling resistor R3, electrolytic capacitor, metal-oxide-semiconductor driving U2, operation put
Big device U3, operational amplifier U4, voltage for acquiring electrolytic capacitor divider resistance R8With divider resistance R9；
The anode of the photovoltaic module output voltage is connected to respectively with electrolytic capacitor anode and metal-oxide-semiconductor Q2 drain electrode connection, metal-oxide-semiconductor
Q2 source electrode is connect with load resistance RL, and the output end of metal-oxide-semiconductor driving U2 is connect with metal-oxide-semiconductor Q2 grid, and metal-oxide-semiconductor drives U2 input terminal
It is connect with master controller port I/O2, during the charging process by divider resistance R8 and divider resistance R9 acquisition electrolytic capacitor anode
Voltage is simultaneously output to port AN2 after the emitter follower that operational amplifier U3 is constituted, and loop current passes through sampling resistor R3
And the in-phase proportion amplifying circuit processing constituted by operational amplifier U4 is output to port AN3.
2. as described in claim 1 with the intelligent photovoltaic component of IV curved scanning function, which is characterized in that the IV parameter
Detection circuit further includes anti-reverse diode D6.
3. as described in claim 1 with the intelligent photovoltaic component of IV curved scanning function, which is characterized in that the main control
Device further includes port AN4, and the sampling unit further includes the temperature sensor for detecting photovoltaic component temperature size, the temperature
Degree sensor is connect with port AN4 signal.
4. as described in claim 1 with the intelligent photovoltaic component of IV curved scanning function, which is characterized in that further include linear
Voltage-stablizer LDO, bypass diode D5, output filter capacitor C2, metal-oxide-semiconductor Q1, the divider resistance R being connect with photovoltaic module anode1
And the divider resistance R being connect with photovoltaic module cathode2, the master controller further includes port I/O2 and port AN1, and described point
Piezoresistance R1With the divider resistance R2It is connected in series, the divider resistance R1With the divider resistance R2Series connection point with
The drain electrode of port AN1 connection, metal-oxide-semiconductor Q1 is connect with photovoltaic module anode, and metal-oxide-semiconductor Q1 source electrode is connected to bypass diode D5 and output
The cathode of the anode of filter capacitor C2, output filter capacitor C2 is connect with photovoltaic module cathode.
5. as described in claim 1 with the intelligent photovoltaic component of IV curved scanning function, which is characterized in that the communication mould
Group includes ZigBee module.
6. as described in claim 1 with the intelligent photovoltaic component of IV curved scanning function, which is characterized in that further include being used for
The data storage of storing data information.
7. a kind of photovoltaic generating system characterized by comprising
Intelligent photovoltaic component, for converting light energy into electric energy；
Inverter, the direct current for generating photovoltaic module are converted to alternating current；
Data collector, for receiving the performance parameter data information of intelligent photovoltaic component；
Cloud platform is connect with the data collector agreement；
The intelligent photovoltaic component is the intelligent photovoltaic group with IV curved scanning function as described in claim 1~6 is any
Part.
8. photovoltaic generating system as claimed in claim 7, which is characterized in that further include the use being connect with data collector signal
Family terminal.
9. photovoltaic generating system as claimed in claim 7, which is characterized in that the intelligent photovoltaic component is multiple, Duo Gezhi
It can photovoltaic module series connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822010148.XU CN209488194U (en) | 2018-11-30 | 2018-11-30 | Intelligent photovoltaic module with IV curve scanning function and power generation system |
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| CN201822010148.XU CN209488194U (en) | 2018-11-30 | 2018-11-30 | Intelligent photovoltaic module with IV curve scanning function and power generation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI737547B (en) * | 2020-11-23 | 2021-08-21 | 力瑪科技股份有限公司 | Solar DC feeder disaster prevention system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI737547B (en) * | 2020-11-23 | 2021-08-21 | 力瑪科技股份有限公司 | Solar DC feeder disaster prevention system |
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