CN109103923A - A kind of photovoltaic array intelligent AC header box - Google Patents
A kind of photovoltaic array intelligent AC header box Download PDFInfo
- Publication number
- CN109103923A CN109103923A CN201810844058.2A CN201810844058A CN109103923A CN 109103923 A CN109103923 A CN 109103923A CN 201810844058 A CN201810844058 A CN 201810844058A CN 109103923 A CN109103923 A CN 109103923A
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- China
- Prior art keywords
- module
- photovoltaic array
- header box
- surge
- detection
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Links
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 238000004891 communication Methods 0.000 claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 238000003491 array Methods 0.000 claims abstract description 3
- 230000006866 deterioration Effects 0.000 claims description 4
- 230000011664 signaling Effects 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 208000025274 Lightning injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- H02J3/383—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
-
- 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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- Protection Of Static Devices (AREA)
Abstract
The present invention provides a kind of photovoltaic array intelligent AC header box, including sequentially connected input terminal, input overcurrent protective device, AC/AC regulator, dedicated busbar connector, exchange confluence output overcurrent protective device and confluence output end, input terminal includes several photovoltaic arrays, dedicated busbar connector with exchange confluence output overcurrent protective device between be connected with reserve protection and detection device, it is connected with surge protection device on reserve protection in turn, surge vent port and ground networks, lightning protection device is connected between exchange confluence output overcurrent protective device and surge vent port, A/D conversion module is connected in detection device, single-chip microcontroller is connected on A/D conversion module, key module is connected separately on single-chip microcontroller, display module, indicating lamp module, communication module, temperature detecting module, breaker detection module and Surge protection device detection module has the advantages that structurally reasonable, long-range monitoring, convenient for safeguarding and safety are good.
Description
Technical field
The invention belongs to technical field of photovoltaic power generation, and in particular to a kind of photovoltaic array intelligent AC header box.
Background technique
As energy demand increasingly increases, fossil energy sources are excessively excavated, and countries in the world are all renewable in Devoting Major Efforts To Developing
The energy.Wherein solar power generation is a kind of green energy resource with the fastest developing speed, and China is each for distributed photovoltaic power generation at present
It flourishes on ground.Distributed photovoltaic power generation is novel one kind, tool power generation with broad prospects for development and comprehensive utilization of energy side
Formula, it advocates power generation nearby, grid-connected, nearest conversion nearby, the principle used nearby, can not only effectively improve same size light
The generated energy of overhead utility, while also efficiently solving the problems, such as loss of the electric power in boosting and long-distance transport.
Separate unit generating equipment power is smaller in distributed photovoltaic power generation system, needs multiple generator units and connects, and improves defeated
Power is direct again out or boosting is connected to the grid, and improves generating efficiency, while distributed photovoltaic power generation system is easy to be selfed
It flows and net side lightning stroke, power grid overvoltage surge is impacted, the situations such as high load capacity overcurrent, excess temperature occur, cause in the middle part of electricity generation system
Subset damage, power-on serving, maintenance, construction personnel cannot be guaranteed safely in the operating condition, and construction link is very difficult；
Interruption maintenance, economic loss is huge, therefore is badly in need of wanting one kind that can pacify in distributed photovoltaic power generation system practical engineering application
Full connection generating equipment end with exchange grid-connected side apparatus end, facilitate cut-off point output progress electricity generation system maintenance, overhaul, tie simultaneously
Smart grid new technology is closed, has lightning protection, electric parameter monitors, the equipment of economy and durability.
Therefore needing structurally reasonable, the long-range monitoring of one kind, convenient for safeguarding and safety, good photovoltaic array intelligent AC converges
Flow case.
Summary of the invention
The object of the present invention is to provide a kind of photovoltaic array intelligent AC header boxs, to solve existing confluence box function list
One, maintenance is inconvenient and there are many security risks.
The present invention provides the following technical solutions:
A kind of photovoltaic array intelligent AC header box, including sequentially connected input terminal, input overcurrent protective device, AC/
AC regulator, dedicated busbar connector, exchange confluence output overcurrent protective device and confluence output end, the input terminal includes several
Photovoltaic array, fuse is connected separately on each photovoltaic array, and the dedicated busbar connector exchanges confluence output with described
It is connected with reserve protection and detection device between overcurrent protective device, is connected with surge in turn on the reserve protection
Protective device, surge vent port and ground networks, exchange confluence output overcurrent protective device and surge vent port it
Between be connected with lightning protection device, A/D conversion module is connected in the detection device, is connected with single-chip microcontroller on the A/D conversion module,
Key module, display module, indicating lamp module, communication module, temperature detecting module, open circuit are connected separately on the single-chip microcontroller
Device detection module and surge protection device detection module, the detection device include voltage sample module and electric current using module.
Preferably, the lightning protection device includes deterioration instruction and remote signalling interface.
Preferably, the lightning protection device, the detection device and the single-chip microcontroller are all made of the dedicated busbar connector self-powered.
Preferably, the single-chip microcontroller is STM32 series monolithic, and the voltage sample module includes Hall voltage sensing
Device, the current sampling module include several Hall current sensors and analog switching circuit.
Preferably, the communication module uses one kind of serial ports, Ethernet, GSM, ZigBee communication.
Preferably, the serial ports is physical interface, the communication standard of the serial ports be half-duplex RS 485, CAN bus,
RS232 or Ethernet.
The beneficial effects of the present invention are:
A kind of photovoltaic array intelligent AC header box reasonable integral structure of the present invention, it is easy to accomplish and production；Configuration system
Special lightning protection device and reserve protection, syntype protection, lightning-protection module has deterioration instruction and remote signalling interface, convenient for intelligence
Monitoring, dedicated busbar connector, opposite common cable have excellent conductive performance and temperature characterisitic；Detection device, to voltage, electric current,
The data such as power are acquired, and are shown by display module, and device context construction, operation and maintenance are facilitated；With key module, show
Show module and indicating lamp module, user live can read the parameters such as electric current, voltage, the temperature of exchange header box, convenient
User's current check maintenance；For communication mode using one kind of serial ports, Ethernet, GSM or ZigBee wireless communication, user can basis
Own situation is reasonably selected.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is schematic structural view of the invention.
Specific embodiment
As shown in Figure 1, a kind of photovoltaic array intelligent AC header box, including sequentially connected input terminal, input overcurrent are protected
Protection unit, AC/AC regulator, dedicated busbar connector, exchange confluence output overcurrent protective device and confluence output end, input terminal packet
Several photovoltaic arrays are included, fuse is connected separately on each photovoltaic array, dedicated busbar connector is protected with confluence output overcurrent is exchanged
Reserve protection and detection device are connected between protection unit, be connected in turn on reserve protection surge protection device,
Surge vent port and ground networks are connected with lightning protection between exchange confluence output overcurrent protective device and surge vent port
Device is connected with A/D conversion module in detection device, single-chip microcontroller is connected on A/D conversion module, be connected separately on single-chip microcontroller by
Key module, display module, indicating lamp module, communication module, temperature detecting module, breaker detection module and surge protection device
Detection module, detection device include voltage sample module and electric current using module.
As shown in Figure 1, lightning protection device includes deterioration instruction and remote signalling interface, lightning protection device, detection device and single-chip microcontroller are all made of
Dedicated busbar connector self-powered, single-chip microcontroller are STM32 series monolithic, and voltage sample module includes Hall voltage sensor, electric current
Sampling module includes several Hall current sensors and analog switching circuit, communication module using serial ports, Ethernet, GSM,
One kind of ZigBee communication, serial ports are physical interface, the communication standard of serial ports be half-duplex RS 485, CAN bus,
RS232 or Ethernet.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of photovoltaic array intelligent AC header box, which is characterized in that including sequentially connected input terminal, input overcurrent protection
Device, AC/AC regulator, dedicated busbar connector, exchange confluence output overcurrent protective device and confluence output end, the input terminal
Including several photovoltaic arrays, fuse is connected separately on each photovoltaic array, the dedicated busbar connector is exchanged with described
It is connected with reserve protection and detection device between confluence output overcurrent protective device, is successively connected on the reserve protection
Surge protection device, surge vent port and ground networks are connected to, the exchange confluence output overcurrent protective device and surge are let out
It puts and is connected with lightning protection device between port, A/D conversion module is connected in the detection device, is connected on the A/D conversion module
There is single-chip microcontroller, key module, display module, indicating lamp module, communication module, temperature detection are connected separately on the single-chip microcontroller
Module, breaker detection module and surge protection device detection module, the detection device include voltage sample module and electric current
Using module.
2. a kind of photovoltaic array intelligent AC header box according to claim 1, which is characterized in that the lightning protection device includes
Deterioration instruction and remote signalling interface.
3. a kind of photovoltaic array intelligent AC header box according to claim 1, which is characterized in that the lightning protection device, institute
It states detection device and the single-chip microcontroller is all made of the dedicated busbar connector self-powered.
4. a kind of photovoltaic array intelligent AC header box according to claim 1, which is characterized in that the single-chip microcontroller is
STM32 series monolithic, the voltage sample module includes Hall voltage sensor, the current sampling module include it is several suddenly
That current sensor and analog switching circuit.
5. a kind of photovoltaic array intelligent AC header box according to claim 1, which is characterized in that the communication module is adopted
With one kind of serial ports, Ethernet, GSM, ZigBee communication.
6. a kind of photovoltaic array intelligent AC header box according to claim 5, which is characterized in that the serial ports is physics
Interface, the communication standard of the serial ports are half-duplex RS 485, CAN bus, RS232 or Ethernet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810844058.2A CN109103923A (en) | 2018-07-27 | 2018-07-27 | A kind of photovoltaic array intelligent AC header box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810844058.2A CN109103923A (en) | 2018-07-27 | 2018-07-27 | A kind of photovoltaic array intelligent AC header box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109103923A true CN109103923A (en) | 2018-12-28 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810844058.2A Pending CN109103923A (en) | 2018-07-27 | 2018-07-27 | A kind of photovoltaic array intelligent AC header box |
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| CN (1) | CN109103923A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114285371A (en) * | 2021-12-13 | 2022-04-05 | 广西大学 | High-reliability intelligent monitoring communication combiner box and method for photovoltaic power generation system |
| US20230021277A1 (en) * | 2021-07-16 | 2023-01-19 | Sollum Technologies Inc. | Systems and methods for managing undesired effects produced by horticultural lighting sources in an electrical grid |
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|---|---|---|---|---|
| CN202651632U (en) * | 2012-05-30 | 2013-01-02 | 中节能绿洲(北京)太阳能科技有限公司 | Novel intelligent photovoltaic conjunction box |
| CN202798163U (en) * | 2012-09-25 | 2013-03-13 | 广东易事特电源股份有限公司 | Intelligent photovoltaic combiner box |
| CN204733129U (en) * | 2015-06-05 | 2015-10-28 | 上海臻和防雷电气技术有限责任公司 | A kind of distributed photovoltaic lightning protection exchanges header box |
| US20160134233A1 (en) * | 2011-04-27 | 2016-05-12 | Patrick L. Chapman | Modular photovoltaic power supply assembly |
| CN106100571A (en) * | 2016-07-21 | 2016-11-09 | 南京南瑞继保电气有限公司 | A kind of group string data photovoltaic DC-to-AC converter exchange wiring construction in parallel and grid-connected unit |
-
2018
- 2018-07-27 CN CN201810844058.2A patent/CN109103923A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160134233A1 (en) * | 2011-04-27 | 2016-05-12 | Patrick L. Chapman | Modular photovoltaic power supply assembly |
| CN202651632U (en) * | 2012-05-30 | 2013-01-02 | 中节能绿洲(北京)太阳能科技有限公司 | Novel intelligent photovoltaic conjunction box |
| CN202798163U (en) * | 2012-09-25 | 2013-03-13 | 广东易事特电源股份有限公司 | Intelligent photovoltaic combiner box |
| CN204733129U (en) * | 2015-06-05 | 2015-10-28 | 上海臻和防雷电气技术有限责任公司 | A kind of distributed photovoltaic lightning protection exchanges header box |
| CN106100571A (en) * | 2016-07-21 | 2016-11-09 | 南京南瑞继保电气有限公司 | A kind of group string data photovoltaic DC-to-AC converter exchange wiring construction in parallel and grid-connected unit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230021277A1 (en) * | 2021-07-16 | 2023-01-19 | Sollum Technologies Inc. | Systems and methods for managing undesired effects produced by horticultural lighting sources in an electrical grid |
| CN114285371A (en) * | 2021-12-13 | 2022-04-05 | 广西大学 | High-reliability intelligent monitoring communication combiner box and method for photovoltaic power generation system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20181228 |