CN104038150B - A kind of modularity, centralized photovoltaic generation interface arrangement - Google Patents
A kind of modularity, centralized photovoltaic generation interface arrangement Download PDFInfo
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- CN104038150B CN104038150B CN201410302931.7A CN201410302931A CN104038150B CN 104038150 B CN104038150 B CN 104038150B CN 201410302931 A CN201410302931 A CN 201410302931A CN 104038150 B CN104038150 B CN 104038150B
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- 238000010248 power generation Methods 0.000 description 4
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- 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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Abstract
A kind of modularity, centralized photovoltaic generation interface arrangement, including photovoltaic control module, dc bus, inverter module, Centralized Monitoring module, main distribution chopper, load breaker and accumulator cell charging and discharging module, one end of photovoltaic control module is connected with solar panel, the other end is connected on dc bus；One end of inverter module is connected on dc bus, for unidirectional current being changed into alternating current output, the other end of inverter module is connected with main distribution chopper, load breaker respectively；Accumulator cell charging and discharging module is connected on dc bus；Photovoltaic control module, accumulator cell charging and discharging module, inverter module, main distribution chopper, load breaker are all connected with Centralized Monitoring module communication by CAN or RS485 serial ports, and Centralized Monitoring module is provided with the display screen interface for being connected with display touch screen.Beneficial effects of the present invention: whole interface arrangement is simple for structure, interface clear, it is convenient to safeguard, dilatation is quick, utilization rate is high.
Description
Technical field
The invention belongs to new forms of energy electric power particularly field of photovoltaic power generation, be specifically related to a kind of modularity, centralized photovoltaic generation
Interface arrangement.
Background technology
Solar energy, as a kind of inexhaustible, nexhaustible clean energy resource, is increasingly widely used in production and the life of people
Among work.Wherein solar photovoltaic technology because it is flexible for installation, the advantage such as application is simple, technology is increasingly mature in addition, become
Originally it is gradually lowered, it has also become one of power generation project that country carries out energetically and develops.And current, most of photovoltaic generations on market
Device structure is more scattered, and its header box, controller, inverter, accumulator etc. are all individually separated, and each component information is independent
Display, is connected by cable each other, causes that whole photovoltaic power generation system structure is numerous and diverse, volume is bigger.Tradition light simultaneously
Normally working under the weather condition that volt generating equipment is only capable of by day mostly and sunlight is more sufficient, night is then in stopped status,
Utilization rate of equipment and installations is low.Its function is the most single, most equipment only active power of output.Meanwhile conventional photovoltaic generating equipment one
Denier is constituted, and capacity is the most fixing, extends the most cumbersome.
Summary of the invention
The technical problem to be solved in the present invention is, for existing photovoltaic power generation equipment above shortcomings, it is provided that a kind of modularity,
Centralized photovoltaic generation interface arrangement, whole apparatus structure is succinct, interface clear, it is convenient to safeguard, dilatation quick, utilization rate
High.
The present invention solves that above-mentioned technical problem be the technical scheme is that
A kind of modularity, centralized photovoltaic generation interface arrangement, it includes photovoltaic control module, dc bus, inverter mould
Block, Centralized Monitoring module, main distribution chopper, load breaker and accumulator cell charging and discharging module, described photovoltaic control module
One end be connected with solar panel, the other end is connected on dc bus；It is female that one end of described inverter module is connected to direct current
On line, for unidirectional current is changed into alternating current output, the other end of inverter module breaks with main distribution chopper, load respectively
Road device connects；Described accumulator cell charging and discharging module is connected on dc bus；Described photovoltaic control module, accumulator cell charging and discharging mould
Block, inverter module, main distribution chopper, load breaker are all by CAN or RS485 serial ports and Centralized Monitoring mould
Block communication connects, and described Centralized Monitoring module is provided with the display screen interface for being connected with display touch screen.
By such scheme, described photovoltaic control module, inverter module and accumulator cell charging and discharging module all use modular insert
Structure, accumulator cell charging and discharging module is matched according to user's request.
By such scheme, described photovoltaic control module, inverter module, the quantity of accumulator cell charging and discharging module are selected according to demand.
By such scheme, described inverter module is provided with pure meritorious output inverter, reactive-load compensation inversion by mode of operation difference
Device, active filtering inverter (configuring according to user's request selectivity).
By such scheme, described photovoltaic control module includes some the branch roads that conflux, cell panel temperature sensor, cell panel position
Sensor, sunlight position sensor, solar panel control motor, the first single-chip microcomputer and the first pictorial displays；Institute
Stating each branch road that confluxes for solar panel is connected to dc bus, described dc bus rear end is connected to through switch QS
Load supplying, is equipped with lightning protection device, voltage sensor, current sensor simultaneously on each branch road that confluxes, described voltage sensor,
Current sensor, cell panel temperature sensor are connected to the first single-chip microcomputer (voltage sensor by variable connector and a/d converter
Device, current sensor are respectively used to monitor solar panel output voltage, electric current, and cell panel temperature sensor is for monitoring too
Sun energy cell panel temperature)；Described cell panel position sensor and sunlight position sensor are connected to the first monolithic through photoisolator
Machine (cell panel position sensor and sunlight position sensor are respectively used to monitor solar panel, the azimuth information of sunlight)；
Described solar panel controls motor and is connected to the first single-chip microcomputer by motor-drive circuit；Described first single-chip microcomputer passes through communication
Interface and the first pictorial displays and Centralized Monitoring module connect.
By such scheme, described accumulator cell charging and discharging module includes accumulator, power tube, Battery temperature probe, power tube
Temperature sensor, second singlechip and second graph display, described accumulator is connected to dc bus, composition through power tube
Charging and discharging circuit, charging and discharging circuit is equipped voltage sensor, current sensor, described voltage sensor, current sensor,
Battery temperature probe, power tube temperature sensor are connected to second singlechip (electricity by variable connector and a/d converter
Pressure sensor, current sensor are respectively used to monitor accumulator output voltage, electric current, and Battery temperature probe is used for monitoring storage
Battery temperature, power tube temperature sensor is used for monitoring power tube temperature)；Described second singlechip passes through communication interface and the second figure
Shape display and Centralized Monitoring module connect.
By such scheme, described Centralized Monitoring module is reserved with the higher level for higher level's scheduling and transmits interface, Centralized Monitoring module
Transmit interface by higher level to be connected with background monitoring system communication.
The present invention compared with prior art, mainly has the advantage that
1, this photovoltaic generation interface arrangement is by integrating spread module, space efficient, reasonable disposition circuit, overall structure letter
Clean, interface is clear；
2, using modular insert structure, integrated multimode is in one, and capacity extension is convenient, it is fast to change maintenance, and each module detects
Information is sent into Centralized Monitoring module by CAN or RS485 serial ports and is carried out Centralizing inspection, shows by display touch screen is unified,
Reliability enhancing, also more conducively user are invested in batches；
3, the multiple-working mode of photovoltaic generation interface arrangement be set by different inverters: meritorious output, reactive-load compensation or active
Filtering, is effectively improved access point voltage by the setting of multiple-working mode, in the heavy load time period at night, stills provide idle
Exert oneself, improve the quality of power supply of circuit, the utilization rate of photovoltaic generation interface arrangement is greatly improved, be more applicable for multiple occasion
Photovoltaic generation Application of Interface.
Accompanying drawing explanation
Fig. 1 is modularity of the present invention, the schematic block diagram of centralized photovoltaic generation interface arrangement；
Fig. 2 is modularity of the present invention, the mounting structure schematic diagram of centralized photovoltaic generation interface arrangement；
Fig. 3 is the fundamental diagram of photovoltaic control module of the present invention；
Fig. 4 is the fundamental diagram of accumulator cell charging and discharging module of the present invention；
Fig. 5 is the fundamental diagram of Centralized Monitoring module of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, to this
Bright it is further elaborated.
With reference to shown in Fig. 1, modularity of the present invention, centralized photovoltaic generation interface arrangement, it includes that photovoltaic controls mould
Block, dc bus, inverter module, Centralized Monitoring module, main distribution chopper, load breaker and accumulator cell charging and discharging
Module, one end of described photovoltaic control module is connected with solar panel, the other end is connected on dc bus；Described inverter
One end of module is connected on dc bus, for unidirectional current being changed into alternating current output, the other end of inverter module is respectively
(main distribution chopper is connected) it is connected with electrical network with main distribution chopper, load breaker；Described accumulator cell charging and discharging module is even
It is connected on dc bus；Described photovoltaic control module, accumulator cell charging and discharging module, inverter module, main distribution chopper, negative
Lotus chopper is all connected with Centralized Monitoring module communication by CAN or RS485 serial ports, and described Centralized Monitoring module sets
There is the display screen interface for being connected with display touch screen.
With reference to shown in Fig. 2, described photovoltaic control module, inverter module and accumulator cell charging and discharging module all use modularity to insert
Part structure is also arranged in a screen cabinet.Photovoltaic control module, inverter module, accumulator cell charging and discharging module quantity according to need
Ask selected, facilitate dilatation and change maintenance；Each module is separate, integral structure, when several modules work simultaneously, for
Ensure each module uniform output simultaneously, generally use the modes such as series resistance, make the current/voltage equilibrium assignment in each module,
Make each module balancing work, increase reliability.In Fig. 2, the photovoltaic generation interface arrangement of display is output as single phase ac, equally may be used
Expand to three-phase alternating current grid-connected.Accumulator cell charging and discharging module is equipped with according to customer demand selectivity, and accumulator cell charging and discharging module connects
On dc bus or separately installed according to concrete application demand.
Described inverter module is provided with pure meritorious output inverter, reactive-load compensation inverter, active power filtering by mode of operation difference
Inverter, according to application scenario or user's request switch the mode of operation that different inverter coupling photovoltaic generation interface arrangement is different: a,
Pure meritorious output inverter is generated power for their own use surplus；Idle or harmonic wave in circuit is administered by b, reactive-load compensation inverter；c、
Active filtering inverter is applicable to the user of line end.Equipment working method is changed so that it is work by the different inverter of switching
The quality of power supply is compensated in simple active power of output or the state such as reactive-load compensation, active power filtering.
With reference to the photovoltaic control module fundamental diagram shown in Fig. 3, described photovoltaic control module includes some the branch roads that conflux, electricity
Pond plate temperature sensor, cell panel position sensor, sunlight position sensor, solar panel control motor, the first list
Sheet machine and the first pictorial displays；Described each branch road that confluxes for solar panel being connected to dc bus, described directly
Stream bus rear end through switch QS be connected to load supplying, be equipped on each branch road that confluxes simultaneously lightning protection device, voltage sensor,
Current sensor, described voltage sensor, current sensor, cell panel temperature sensor are by variable connector and AD conversion
Device be connected to the first single-chip microcomputer (voltage sensor, current sensor be respectively used to monitor solar panel output voltage, electric current,
Cell panel temperature sensor is used for monitoring solaode plate temperature)；Described cell panel position sensor and sunlight position sensor
It is connected to the first single-chip microcomputer through photoisolator；Described solar panel controls motor and is connected to first by motor-drive circuit
Single-chip microcomputer；Described first single-chip microcomputer is connected by communication interface and the first pictorial displays and Centralized Monitoring module.First monolithic
Machine receives the solaode plate temperature of cell panel temperature sensor monitors, the output voltage of voltage sensor monitoring, current sense
The output electric current of device monitoring, cell panel position sensor and the solar panel of sunlight position sensor monitoring, the side of sunlight
Position information, and carry out state instruction by the first pictorial displays, and realize communication function with Centralized Monitoring module；Solar energy
Cell panel controls motor and realizes the tracking of sunlight, the wherein orientation of solar panel for the orientation controlling solar panel
Control can be arranged according to user's request.
With reference to the accumulator cell charging and discharging module fundamental diagram shown in Fig. 4, described accumulator cell charging and discharging module includes accumulator, merit
Rate pipe, Battery temperature probe, power tube temperature sensor, second singlechip and second graph display, described electric power storage
Pond is connected to dc bus through power tube, constitutes charging and discharging circuit, and charging and discharging circuit is equipped voltage sensor, current sense
Device, described voltage sensor, current sensor, Battery temperature probe, power tube temperature sensor by variable connector with
And a/d converter be connected to second singlechip (voltage sensor, current sensor be respectively used to monitor accumulator output voltage,
Electric current, Battery temperature probe is used for monitoring battery temp, and power tube temperature sensor is used for monitoring power tube temperature)；Institute
State second singlechip to be connected with second graph display and Centralized Monitoring module by communication interface.Second singlechip receives voltage
The output voltage of Sensor monitoring, current sensor monitoring output electric current, Battery temperature probe monitoring battery temp,
The power tube temperature of power tube temperature sensor monitors, and carry out state instruction by second graph display, and supervise with concentrating
Control module realizes communication function, it is achieved the charge and discharge control of accumulator and temperature detection.This accumulator cell charging and discharging module can be according to need
Selectivity is asked to configure.
With reference to the Centralized Monitoring module fundamental diagram shown in Fig. 5, Centralized Monitoring module is each of whole photovoltaic generation interface arrangement
Module monitors provides man-machine interface, each module detection information to be respectively fed to Centralized Monitoring module by CAN or RS485 and enter
Row Centralizing inspection.One Centralized Monitoring module can monitor multiple photovoltaic control module, inverter module and accumulator cell charging and discharging
Module, Centralized Monitoring module is responsible for dc bus, inverter module, the power status of main distribution chopper, load breaker
Load condition be monitored, and carry out communication with photovoltaic control module, afterwards all information be sent to by display screen interface
Display touch screen, user checks job information and the state of photovoltaic generation interface arrangement by display touch screen.Centralized Monitoring simultaneously
Module is also to the load electricity consumption of outfan and grid-connected be monitored.Also it is reserved with in described Centralized Monitoring module for higher level's scheduling
Higher level transmits interface, Centralized Monitoring module by higher level transmit interface be connected with background monitoring system communication (be equipped with Ethernet, can
To use wireless-transmission network to communicate wirelessly).
Last it should be noted that, above content is only in order to illustrate technical scheme, rather than to scope
Limit, simple modification that technical scheme is carried out by those of ordinary skill in the art or equivalent, all without departing from
The spirit and scope of technical solution of the present invention.
Claims (6)
1. a modularity, centralized photovoltaic generation interface arrangement, it is characterized in that: it includes photovoltaic control module, dc bus, inverter module, Centralized Monitoring module, main distribution chopper, load breaker and accumulator cell charging and discharging module, and one end of described photovoltaic control module is connected with solar panel, the other end is connected on dc bus；One end of described inverter module is connected on dc bus, for unidirectional current being changed into alternating current output, the other end of inverter module is connected with main distribution chopper, load breaker respectively；Described accumulator cell charging and discharging module is connected on dc bus；Described photovoltaic control module, accumulator cell charging and discharging module, inverter module, main distribution chopper, load breaker are all connected with Centralized Monitoring module communication by CAN or RS485 serial ports, and described Centralized Monitoring module is provided with the display screen interface for being connected with display touch screen；
Described photovoltaic control module includes that some the branch roads that conflux, cell panel temperature sensor, cell panel position sensor, sunlight position sensor, solar panel control motor, the first single-chip microcomputer and the first pictorial displays；Described each confluxes branch road for solar panel is connected to dc bus, described dc bus rear end is connected to DC load through switch QS and powers, being equipped with lightning protection device, voltage sensor, current sensor on each branch road that confluxes, described voltage sensor, current sensor, cell panel temperature sensor are connected to the first single-chip microcomputer by variable connector and a/d converter simultaneously；Described cell panel position sensor and sunlight position sensor are connected to the first single-chip microcomputer through photoisolator；Described solar panel controls motor and is connected to the first single-chip microcomputer by motor-drive circuit；Described first single-chip microcomputer is connected by communication interface and the first pictorial displays and Centralized Monitoring module.
2. modularity, centralized photovoltaic generation interface arrangement as claimed in claim 1, it is characterised in that: described photovoltaic control module, inverter module and accumulator cell charging and discharging module all use modular insert structure.
3. modularity, centralized photovoltaic generation interface arrangement as claimed in claim 1, it is characterised in that: described photovoltaic control module, inverter module, the quantity of accumulator cell charging and discharging module are selected according to demand.
4. modularity, centralized photovoltaic generation interface arrangement as claimed in claim 1, it is characterised in that: described inverter module is provided with pure meritorious output inverter, reactive-load compensation inverter, active filtering inverter by mode of operation difference.
5. modularity as claimed in claim 1, centralized photovoltaic generation interface arrangement, it is characterized in that: described accumulator cell charging and discharging module includes accumulator, power tube, Battery temperature probe, power tube temperature sensor, second singlechip and second graph display, described accumulator is connected to dc bus through power tube, constitute charging and discharging circuit, voltage sensor it is equipped with in charging and discharging circuit, current sensor, described voltage sensor, current sensor, Battery temperature probe, power tube temperature sensor is connected to second singlechip by variable connector and a/d converter；Described second singlechip is connected with second graph display and Centralized Monitoring module by communication interface.
6. modularity, centralized photovoltaic generation interface arrangement as claimed in claim 1, it is characterized in that: being reserved with the higher level for higher level's scheduling in described Centralized Monitoring module and transmit interface, Centralized Monitoring module transmits interface by higher level and is connected with background monitoring system communication.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108258808A (en) * | 2018-02-07 | 2018-07-06 | 威海惠高生物科技有限公司 | Photovoltaic generating monitoring device and method |
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| CN104485885A (en) * | 2014-12-19 | 2015-04-01 | 湖北追日电气股份有限公司 | Integrated control device applied to distributed photovoltaic power generation system |
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| CN101017982A (en) * | 2007-03-12 | 2007-08-15 | 刘建政 | Light voltage and wind power integrated networking device with the reactive power compensation and harmonious administration function |
| CN201360168Y (en) * | 2009-01-15 | 2009-12-09 | 天津市德瑞康科技有限公司 | Intelligent charger |
| CN201966838U (en) * | 2011-03-29 | 2011-09-07 | 戴树梅 | Wind energy, solar energy, diesel and battery combined power supply and integrated control system thereof |
| CN202034829U (en) * | 2011-05-11 | 2011-11-09 | 江苏镇安电力设备有限公司 | Intelligent breaker |
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| CN203968055U (en) * | 2014-06-27 | 2014-11-26 | 国家电网公司 | A kind of modularization, centralized photovoltaic generation interface arrangement |
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| CN108258808A (en) * | 2018-02-07 | 2018-07-06 | 威海惠高生物科技有限公司 | Photovoltaic generating monitoring device and method |
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