CN205407846U - Data transmission in solar energy basic station between optimizer - Google Patents
Data transmission in solar energy basic station between optimizer Download PDFInfo
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- CN205407846U CN205407846U CN201620173794.6U CN201620173794U CN205407846U CN 205407846 U CN205407846 U CN 205407846U CN 201620173794 U CN201620173794 U CN 201620173794U CN 205407846 U CN205407846 U CN 205407846U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model relates to a data transmission in solar energy basic station between optimizer, include: single basic station communication unit, full system communication network, single basic station communication unit is fixed in solar energy power generation optimizes the unit for transmission solar energy power generation optimizes the arrival current and the output voltage of unit, single basic station communication unit includes: MCU microcontroller (1), MP power supply unit (2), PLC power line carrier communication unit (3), RS_232 serial communication unit (4), MP power supply unit (2) link to each other with the power end of MCU microcontroller (1) and PLC power line carrier communication unit (3). Through the communicate with of data between optimizer in the solar energy basic station, realize the optimal control of each functional module to voltage and current signal to photovoltaic module are handled, constantly adjust two -way DC the mode or the duty cycle of AC converter, the voltage or the electric current that make solar energy power generation optimize unit output obtain control.
Description
Technical field
The utility model relates to a kind of solar energy generation technology, number between optimizer in a kind of solar energy base station
According to transmission.
Background technology
Along with shortage and the pollution of environment of the energy, solar energy more comes as a kind of green energy resource nuisanceless, free of contamination
The most is valued by the people, and the application of solar energy power generating is more and more wider.Along with the development of regenerative resource, solar energy
The concern of the application of photovoltaic generation the most extremely people, solar energy power generating field also becomes popular research field.No
Crossing, current existing solar photovoltaic generation system framework is highly prone to most the impact of actual working environment and field condition, from
And cause appearance inside solar energy system unbalance.As, if a big tree has been planted on house side, shade, fallen leaves, bark etc. are all kinds of
Fragment, the cloud that sky moves the most very fast, and the birds droppings, the foreign material such as insect that frequently fall down all can shelter from sunlight and irradiate
The intensity of solar energy pole plate, and the gross generation of photovoltaic system can be gradually reduced.For solar photovoltaic generation system,
As long as several pieces of cell panels have the foreign material such as shade or leaf to cover, the generated energy of whole system will drop significantly.Specifically,
As long as have 10% photovoltaic module area covered, the gross generation of system will drop 50%.Although it addition, the newly installed sun
Energy photovoltaic system does not have the problem of cell panel mismatch, but as time goes by, cell panel also can be the most aging, and aging
Speed uneven, also will necessarily occur unbalance inside solar energy system.
Utility model content
The purpose of this utility model is to provide the data transmission in a kind of solar energy base station between optimizer, passes through solar energy
The mutual communication of data between optimizer in base station, it is achieved the optimal control of each functional module, in order to solve to make due to various factors
When the internal appearance of solar energy system is unbalance, improve the generating efficiency of photovoltaic system to greatest extent.
The purpose of this utility model is achieved in that the data transmission in a kind of solar energy base station between optimizer, its
Feature is: including: single base station communication unit, total system communication network, and single base station communication unit is fixed on solar electrical energy generation optimization
In unit, optimizing input current and the output voltage of unit for transmitting solar electrical energy generation, described single base station communication unit includes:
MCU microcontroller, M/P power supply unit, PLC electric line carrier communication unit, RS_232 serial communication unit；M/P power supply unit
It is connected with the power end of MCU microcontroller and PLC electric line carrier communication unit, and by M/P power supply unit to whole system power supply；
The R/T interface of MCU microcontroller is connected with the R1/T1 interface of RS_232 serial communication unit, RS_232 serial communication unit
R2/T2 interface is connected with the R/T interface of PLC electric line carrier communication unit.
Described MCU microcontroller is single-chip microcomputer, and single-chip microcomputer includes a R/T interface.
Described single-chip microcomputer R/T interface is directly connected to the PORT COM of RS_232 serial communication unit, RS_232 serial
The PORT COM of communication unit is joined directly together with the COM of PLC electric line carrier communication unit；RS_232 serial is led to
News unit can be known for the data pattern of PLC electric line carrier communication unit is converted into Investigation into Serial Communication of One-chip Computer interface R/T
Other data pattern；By the R/T interface of single-chip microcomputer, solar electrical energy generation optimized the electric current of unit and information of voltage passes through power line
Carrier communication unit uploads in total system communication network, each solar electrical energy generation optimize unit and central processing unit according to
Electric current and the information of voltage of single solar electrical energy generation optimization unit decide whether to adjust two-way DC-AC converter mode of operation.
Described total system communication network includes transverse legs communication network, longitudinally each branch circuit parallel connection topological structure communication network
Network and master controller communication unit.
Described transverse legs communication network, including: single base station communication unit and the communication of each communication system of link
Two parts of circuit；The MCU microcontroller of each base station communication unit is connect by the R/T of both sides with RS_232 serial communication unit
Mouth is connected, and RS_232 serial communication unit is connected by the R/T interface of both sides with PLC electric line carrier communication unit；Solar energy
PLC power line communication module in each generator unit of generation optimization unit is connected by branch road communication link 5, and links main line communication
In link.
Described longitudinal direction each branch circuit parallel connection topological structure communication network, including: each branch road communication system network and link
Two parts of the main line communication line of each branch road communication network；Longitudinally each branch circuit parallel connection topological structure communication network is at each branch road
Formed by main line communication link is parallel with one another with each branch road communication link on the basis of communication network composition.
Described master controller communication unit includes: central processing unit, C/P power supply unit, PLC electric line carrier communication list
Unit, RS_232 serial communication unit；C/P power supply unit and central processing unit and the power end of PLC electric line carrier communication unit
It is connected, and by C/P power supply unit to whole system power supply；The R/T interface of central processing unit and the R1/ of RS_232 serial communication unit
T1 interface is connected, and the R2/T2 interface of RS_232 serial communication unit is connected with the R/T interface of PLC electric line carrier communication unit.
Described PLC electric line carrier communication unit uses serial communication pattern, and is entered by RS_232 serial communication unit
Row data mode treatment；The PWM output interface of single-chip microcomputer is connected with two-way DC-AC converter；Single-chip microcomputer is obtained by communication network
The each module of information data control taken in topology communication network is operated in decompression mode, boost mode, direct mode operation or diode
Bypass mode；DC/AC converter is adjusted by change PWM dutycycle at decompression mode, boost mode.
The utility model has the advantages that: in a kind of solar energy base station, the data between optimizer are transmitted, by solar energy base
Stand the mutual communication of data between optimizer, it is achieved the optimal control of each functional module, and the voltage and current to photovoltaic module
Signal processes, and constantly adjusts mode of operation or the dutycycle of two-way DC-AC converter, makes solar electrical energy generation optimize unit defeated
The voltage or the electric current that go out are controlled.
Accompanying drawing explanation
Below in conjunction with embodiment accompanying drawing, the utility model is described in further detail:
Fig. 1 is the data transmission principle figure in a kind of solar energy of the utility model base station between optimizer.
In figure, 1, MCU microcontroller；2, M/P power supply unit；3, PLC electric line carrier communication unit；4, RS_232 serial
Communication unit；5, branch road communication link；6, main line communication link；7, central processing unit；8, C/P power supply unit.
Detailed description of the invention
As it is shown in figure 1, the data between optimizer are transmitted in a kind of solar energy base station, it is characterized in that: including: single base station leads to
News unit, transverse legs communication network, longitudinally each branch circuit parallel connection topological structure communication network, master controller communication unit.Dan Ji
Communication unit of standing is fixed on solar electrical energy generation and optimizes in unit, optimizes the input current of unit and defeated for transmitting solar electrical energy generation
Going out voltage, transverse legs communication network, longitudinally each branch circuit parallel connection topological structure communication network constitute total system communication network.
In the utility model, each solar power generation unit includes that optimization processes circuit, photovoltaic module, branch line PLC electric power
Line communication module and current detection circuit, voltage detecting circuit, optimization processes circuit by obtaining photovoltaic module electric current and voltage,
It is transferred to central processing unit, by central processing unit coordinates, with maximum efficiency by photovoltaic module electricity by DC/AC inverter
Grid-connected in AC power grid.
Described single base station communication unit refers to the communication system in single solar electrical energy generation base station.Single base station communication system
By MCU microcontroller 1, M/P power supply unit 2, PLC electric line carrier communication unit 3, RS_232 serial communication unit 4.M/P supplies
Electric unit 2 is connected with the power end of MCU microcontroller 1 and PLC electric line carrier communication unit 3, and by M/P power supply unit 2 to
Whole system power supply.The R/T interface of MCU microcontroller 1 is connected with the R1/T1 interface of RS_232 serial communication unit 4, and RS_232 goes here and there
The R2/T2 interface of row communication unit 4 is connected with the R/T interface of PLC electric line carrier communication unit 3.When communication data packets is by MCU
When microcontroller 1 sends, MCU microcontroller delivers a packet to R/T interface end, is entered by RS_232 serial communication unit 4
Row data are changed and are sent to PLC electric line carrier communication unit 3, then by PLC electric line carrier communication unit by packet to
Data network sends；When MCU microcontroller 1 needs to receive data, first the packet in communication network is transmitted to PLC power line
Carrier communication unit 3, then sent data packets to RS_232 serial communication unit 4, and warp by PLC electric line carrier communication unit
Cross RS_232 serial communication unit packet is processed, finally completed data receiver by MCU microcontroller 1, thus realize
Data double-way communication between solar electrical energy generation base station.
Described MCU microcontroller 1 is single-chip microcomputer.
Described single-chip microcomputer R/T interface is directly connected to the PORT COM 1 of RS_232 serial communication unit, RS_232 serial
The PORT COM 2 of communication unit is joined directly together with the COM of PLC electric line carrier communication unit 3；RS_232 serial
Communication unit is permissible for the data pattern of PLC electric line carrier communication unit is converted into Investigation into Serial Communication of One-chip Computer interface R/T
The data pattern identified；By the R/T interface of single-chip microcomputer, electric current and the information of voltage of this solar electrical energy generation optimization unit are passed through electricity
Powerline carrier communication unit uploads in total system communication network, and each solar electrical energy generation optimizes unit and central processing unit
Electric current and information of voltage according to single solar electrical energy generation optimization unit decide whether to adjust two-way DC-AC converter Working mould
Formula.
Described total system communication network includes transverse legs communication network, longitudinally each branch circuit parallel connection topological structure communication network
Network, master controller communication unit.
Described transverse legs communication network, including: single base station communication unit and the communication of each communication system of link
Two parts of circuit；The MCU microcontroller 1 of each base station communication unit and RS_232 serial communication unit 4 are by the R/T of both sides
Interface 1 is connected, and RS_232 serial communication unit is connected by the R/T interface 2 of both sides with power line communication (PLC) module 3；Each
Power line communication (PLC) module in electric unit is connected by branch road communication link 5, and links in main line communication link 6.
Described longitudinal direction each branch circuit parallel connection topological structure communication network, including: each branch road communication system network and link
Two parts of the main line communication line of each branch road communication network；Longitudinally each branch circuit parallel connection topological structure communication network is at each branch road
Formed by main line communication link 6 is parallel with one another with each branch road communication link 5 on the basis of communication network composition.
Described master controller communication unit includes: central processing unit 7, C/P power supply unit 8, PLC electric line carrier communication
Unit 3, RS_232 serial communication unit 4；C/P power supply unit 8 and central processing unit 7 and PLC electric line carrier communication unit 3
Power end is connected, and by C/P power supply unit 8 to whole system power supply；The R/T interface of central processing unit 7 and RS_232 serial communication
The R1/T1 interface of unit 4 is connected, the R2/T2 interface of RS_232 serial communication unit 4 and PLC electric line carrier communication unit 3
R/T interface is connected；When communication data packets is sent by central processing unit 7, central processing unit delivers a packet to R/T interface
End, carries out data conversion by RS_232 serial communication unit 4 and sends to PLC electric line carrier communication unit 3, then by PLC
Packet is sent by electric line carrier communication unit to truck data network；When central processing unit 7 needs to receive data, communication
First packet in network is transmitted to PLC electric line carrier communication unit 3, then by PLC electric line carrier communication unit by data
Bag sends to RS_232 serial communication unit 4, and processes packet through RS_232 serial communication unit, finally by
Central processor 7 completes data receiver, thus realizes the data double-way communication between solar electrical energy generation base station and central control system.
Described PLC electric line carrier communication unit 3 uses serial communication pattern, and is entered by RS_232 serial communication unit
Row data mode treatment；The PWM output interface of single-chip microcomputer is connected with two-way DC-AC converter；Single-chip microcomputer is obtained by communication network
The each module of information data control taken in topology communication network is operated in decompression mode, boost mode, direct mode operation or diode
Bypass mode；DC/AC converter is adjusted by change PWM dutycycle at decompression mode, boost mode.
Each described solar electrical energy generation optimizes unit and central processing unit and optimizes according to single solar electrical energy generation single
Electric current and the information of voltage of unit decide whether that adjusting two-way DC-AC converter mode of operation includes:
(1) photovoltaic module is owing to sheltering from heat or light or electric parameter is inconsistent, causes output power of photovoltaic module to diminish, when photovoltaic group
When the output electric current of part is less than the output electric current of photovoltaic module place branch road string, solar electrical energy generation optimizes unit by photovoltaic module work
Make to expand stream mode in step-down；
(2) if other photovoltaic module makes the state that the power output of system is less owing to sheltering from heat or light in branch road string, this
Time this branch road string in the photovoltaic module output electric current that do not sheltered from heat or light will be greater than the output electric current of photovoltaic module string, solar energy optimizer
Photovoltaic module is operated in boost mode；
(3) if photovoltaic module is all operated on maximum power point, and photovoltaic module output electric current is approximately equal to photovoltaic group
During the output electric current of part branch road string, photovoltaic module is operated in pass-through state by solar energy optimizer；
(4) solar electrical energy generation optimizes unit internal parallel bypass diode, when photovoltaic module exception, and solar energy optimization
Photovoltaic module branch road string by the direct by-pass current of bypass diode, is made whole photovoltaic generating system normally work by device.
Claims (8)
1. data transmission between optimizer in a solar energy base station, is characterized in that: including: single base station communication unit, complete set
System communication network, single base station communication unit is fixed on solar electrical energy generation and optimizes in unit, is used for transmitting solar electrical energy generation and optimizes single
Unit input current and output voltage, described single base station communication unit includes: MCU microcontroller (1), M/P power supply unit (2),
PLC electric line carrier communication unit (3), RS_232 serial communication unit (4)；M/P power supply unit (2) and MCU microcontroller (1)
It is connected with the power end of PLC electric line carrier communication unit (3), and by M/P power supply unit (2) to whole system power supply；MCU micro-control
The R/T interface of device processed (1) is connected with the R1/T1 interface of RS_232 serial communication unit (4), RS_232 serial communication unit (4)
R2/T2 interface be connected with the R/T interface of PLC electric line carrier communication unit (3).
In a kind of solar energy base station the most according to claim 1, the data between optimizer are transmitted, and it is characterized in that: described
MCU microcontroller (1) is single-chip microcomputer, and single-chip microcomputer includes a R/T interface.
In a kind of solar energy base station the most according to claim 2, the data between optimizer are transmitted, and it is characterized in that: described
Single-chip microcomputer R/T interface is directly connected to the PORT COM of RS_232 serial communication unit (4), RS_232 serial communication unit (4)
The COM of PORT COM and PLC electric line carrier communication unit (3) be joined directly together；RS_232 serial communication unit
For the data pattern of PLC electric line carrier communication unit is converted into the number that Investigation into Serial Communication of One-chip Computer interface R/T can identify
According to pattern；By the R/T interface of single-chip microcomputer, solar electrical energy generation optimized the electric current of unit and information of voltage is led to by power line carrier
Letter unit uploads in total system communication network, each solar electrical energy generation optimize unit and central processing unit according to single too
Electric current and the information of voltage of sun energy generation optimization unit decide whether to adjust two-way DC-AC converter mode of operation.
In a kind of solar energy base station the most according to claim 1, the data between optimizer are transmitted, and it is characterized in that: described
Total system communication network includes that transverse legs communication network, longitudinally each branch circuit parallel connection topological structure communication network and master controller lead to
News unit.
In a kind of solar energy base station the most according to claim 4, the data between optimizer are transmitted, and it is characterized in that: described
Transverse legs communication network, including: single base station communication unit and two parts of communication line of each communication system of link；Often
The MCU microcontroller (1) of individual base station communication unit is connected by the R/T interface of both sides with RS_232 serial communication unit (4),
RS_232 serial communication unit is connected by the R/T interface of both sides with PLC electric line carrier communication unit (3)；Solar electrical energy generation
The PLC power line communication module optimized in each generator unit of unit is connected by branch road communication link (5), and links main line communication link
In road (6).
In a kind of solar energy base station the most according to claim 4, the data between optimizer are transmitted, and it is characterized in that: described
Longitudinally each branch circuit parallel connection topological structure communication network, including: each branch road communication system network and each branch road communication network of link
Two parts of the main line communication line of network；Longitudinally each branch circuit parallel connection topological structure communication network forms at each branch road communication network
On the basis of formed by main line communication link (6) is parallel with one another with each branch road communication link (5).
In a kind of solar energy base station the most according to claim 4, the data between optimizer are transmitted, and it is characterized in that: described
Master controller communication unit includes: central processing unit (7), C/P power supply unit (8), PLC electric line carrier communication unit (3),
RS_232 serial communication unit (4)；C/P power supply unit (8) and central processing unit (7) and PLC electric line carrier communication unit (3)
Power end be connected, and by C/P power supply unit (8) to whole system power supply；The R/T interface of central processing unit (7) is gone here and there with RS_232
The R1/T1 interface of row communication unit (4) is connected, the R2/T2 interface of RS_232 serial communication unit (4) and PLC power line carrier
The R/T interface of communication unit (3) is connected；When communication data packets is sent by central processing unit (7), central processing unit is by packet
It is sent to R/T interface end, carries out data conversion by RS_232 serial communication unit (4) and send to PLC power line carrier logical
News unit (3), then by PLC electric line carrier communication unit, packet is sent to truck data network.
In a kind of solar energy base station the most according to claim 1, the data between optimizer are transmitted, and it is characterized in that: described
PLC electric line carrier communication unit (3) uses serial communication pattern, and is carried out data pattern by RS_232 serial communication unit
Reason；The PWM output interface of single-chip microcomputer is connected with two-way DC-AC converter；Single-chip microcomputer obtains topology communication network by communication network
Information data in network controls each module and is operated in decompression mode, boost mode, direct mode operation or bypass diode pattern；In fall
Die pressing type, boost mode adjust DC/AC converter by change PWM dutycycle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620173794.6U CN205407846U (en) | 2016-03-08 | 2016-03-08 | Data transmission in solar energy basic station between optimizer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620173794.6U CN205407846U (en) | 2016-03-08 | 2016-03-08 | Data transmission in solar energy basic station between optimizer |
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| CN205407846U true CN205407846U (en) | 2016-07-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105656690A (en) * | 2016-03-08 | 2016-06-08 | 成都国蓉科技有限公司 | Data transmission method between optimizers in solar base station |
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- 2016-03-08 CN CN201620173794.6U patent/CN205407846U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105656690A (en) * | 2016-03-08 | 2016-06-08 | 成都国蓉科技有限公司 | Data transmission method between optimizers in solar base station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: High tech Zone Tianyu road Chengdu City, Sichuan province 611730 No. 2 Patentee after: Rong Rong Technology Co., Ltd. Address before: High tech Zone Tianyu road Chengdu City, Sichuan province 611730 No. 2 Patentee before: CHENGDU GUORONG TECHNOLOGY CO., LTD. |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Chengdu Hua day Valley Technology Co. Ltd. Assignor: Rong Rong Technology Co., Ltd. Contract record no.: 2017510000014 Denomination of utility model: Data transmission method between optimizers in solar base station Granted publication date: 20160727 License type: Exclusive License Record date: 20170615 |