CN105634401A - Integrated photovoltaic power station combiner box control module - Google Patents
Integrated photovoltaic power station combiner box control module Download PDFInfo
- Publication number
- CN105634401A CN105634401A CN201510991977.9A CN201510991977A CN105634401A CN 105634401 A CN105634401 A CN 105634401A CN 201510991977 A CN201510991977 A CN 201510991977A CN 105634401 A CN105634401 A CN 105634401A
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- Prior art keywords
- module
- control module
- header box
- control circuit
- box control
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Classifications
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- 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
- H02S40/36—Electrical components characterised by special electrical interconnection means between two or more PV modules, e.g. electrical module-to-module connection
-
- 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
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
-
- 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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- Photovoltaic Devices (AREA)
Abstract
The invention provides an integrated photovoltaic power station combiner box control module. The control module comprises a voltage conversion module, a CPU control circuit module, a lightning protection module, a current collection main board and a display module, wherein the input end of the voltage conversion module is connected with a circuit breaker of the combiner box while the output end of the voltage conversion module is connected with the CPU control circuit module; the lightning protection module, the current collection main board and the display module are all connected with the CPU control circuit; and the current collection main board is connected with the display module. The combiner box control module can perform monitoring and measurement on each circuit of photovoltaic group string of the system for monitoring the operating state of each photovoltaic group string in real time, and can transmit the data to a monitoring center through a field bus for realizing the real-time monitoring of the system, so that the system observation and operating reliability of the system are improved; the overall control module adopts the integrated design, and a user can set communication address and baud rate through a dial switch conveniently, so that the integrated photovoltaic power station combiner box control module is applicable to various scales of photovoltaic power generation systems and is wide in applicability.
Description
Technical field
The present invention relates to solar-photovoltaic technology field, in particular to a kind of integrating optical overhead utility header box control module.
Background technology
Increasingly serious along with Global climate change and problem of environmental pollution, green regenerative energy sources industry last decade is developed rapidly. Sun power is a kind of renewable resources, and the solar cell technology utilizing photogenic voltage effect to carry out generating electricity enjoys common people to pay close attention to. Solar cell is by the material that can produce photovoltaic effect, as the materials such as silicon, gallium arsenide, indium selenium copper are made, it is possible to light energy conversion is become electric energy. In actual applications, it is all generally that the grid-connected or independent photovoltaic electric station forming different generating scale by solar cell assembly array carries out generating for user.
In solar photovoltaic generation system, in order to the line reduced between solar cell module array and invertor, maintain easily, improve reliability, it is generally that some amount, photovoltaic cell component that specification is identical are together in series and form photovoltaic module tandem one by one, and then by some photovoltaic module tandems parallel connection access header boxs, after confluxing in header box, then export and photovoltaic DC-to-AC converter supports the use thus forms complete photovoltaic generating system. In order to improve the dependable with function of system; light volt special DC lightning-protection module, electric current protection module etc. generally all it is configured with at present in photovoltaic conflux case; and the real-time current of photovoltaic array, voltage, lightning protection device state etc. can be monitored; facilitate the working condition of user's grasp photovoltaic cell promptly and accurately, ensure that solar photovoltaic generation system plays maximum effect. But, the function module in current header box is all generally independent setting and installation, and, each user is also comprehensive not to the utmost to the selection of the function module in header box, can leave the blank region of some photovoltaic electric stations control, cause potential safety hazard; In addition, such setting also can cause the volume ratio of header box relatively big, is unfavorable for cost control.
Summary of the invention
For above-mentioned the problems of the prior art, it is an object of the invention to propose a kind of integrating optical overhead utility header box control module, it is integrated with the function module of photovoltaic electric station indispensability, and the running status at Real-Time Monitoring photovoltaic electric station, facilitates user installation and use.
To achieve the object of the present invention, a kind of integrating optical overhead utility header box control module of the present invention comprises voltage transformation module, cpu control circuit module, lightning-protection module, current acquisition mainboard and display module; Wherein, the input terminus of described voltage transformation module is connected with the isolating switch of header box, its output terminal and cpu control circuit model calling; Described lightning-protection module, current acquisition mainboard and display module are all connected with described cpu control circuit, described current acquisition mainboard is connected with display module, and described voltage transformation module is provided with actual power voltage monitoring end and is connected with CPU control module.
Preferably, described cpu control circuit module and display module are arranged on current acquisition mainboard, and are connected with current acquisition mainboard to plate (boardtoboard) junctor by plate.
Preferred again, described current acquisition plate is provided with multiple current sense device, respectively corresponding multiple photovoltaic cell group string in corresponding photovoltaic electric station.
Preferred again, described cpu control circuit module is provided with lightning protection state pilot lamp and photovoltaic generating system running status pilot lamp.
Preferred again, the Current Temperatures of the instant magnitude of voltage of each light volt group string at described display module scrolling display photovoltaic electric station, instant current value and header box.
Preferred again, described cpu control circuit module is connected with upper computer by communication interface.
Preferred again, described communication interface is RS-485 communication interface, and described upper computer comprises control microcomputer or intelligent mobile terminal.
Preferred again, described CPU control module is provided with group code switch arranging mailing address and baud rate.
The integrating optical overhead utility header box control module of the present invention, every Lu Guangfu group string of system can be carried out control measurement, the working order of each light volt group string in Real-Time Monitoring header box, by fieldbus, data are sent to the Real-Time Monitoring that monitoring power station center realizes system, it is to increase the reliability of systematic observation and operation; Whole control module designs for integrated form, and facilitates user to arrange mailing address and baud rate by dialling code switch so that it is being applicable to the photovoltaic generating system of various scale, suitability is wide.
Accompanying drawing explanation
By the detailed description below in conjunction with accompanying drawing, the present invention aforesaid and other object, feature and advantage will become apparent. Wherein:
Fig. 1 show the comprising modules schematic circuit diagram of the integrating optical overhead utility header box control module of one embodiment of the invention;
Fig. 2 show the cpu control circuit module of the integrating optical overhead utility header box control module of Fig. 1, the packaging assembly schematic diagram of current acquisition mainboard and display module;
Fig. 3 show the structural representation of the cpu control circuit module of an embodiment of the integrating optical overhead utility header box control module of the present invention.
Embodiment
By reference to the accompanying drawings the feature of the present invention and advantage are described in detail as follows.
With reference to the comprising modules schematic circuit diagram of the integrating optical overhead utility header box control module of the one embodiment of the invention shown in Fig. 1, described integrating optical overhead utility header box control module comprises voltage transformation module, cpu control circuit module, lightning-protection module, current acquisition mainboard and display module; Wherein, the input terminus of described voltage transformation module is connected with the isolating switch of header box, its output terminal and cpu control circuit model calling; Described lightning-protection module, current acquisition mainboard and display module are all connected with described cpu control circuit, and described current acquisition mainboard is connected with display module; Described voltage transformation module is provided with actual power voltage monitoring end and is connected with CPU control module.
With reference to the part-structure schematic diagram of the integrating optical overhead utility header box control module of the one embodiment of the invention realized according to the schematic circuit diagram of Fig. 1 shown in Fig. 2, described cpu control circuit module 20 is arranged on current acquisition mainboard 10 with display module 30, and is connected with current acquisition mainboard to plate (boardtoboard) junctor by plate. Described current acquisition plate is provided with multiple current sense device 12, the group string being formed by connecting in the corresponding photovoltaic electric station of each current sense device by multiple photovoltaic cell component. The number that arranges of current sense device is determined by the group string quantity in photovoltaic electric station, and the present invention does not do concrete restriction.
Lightning-protection module and cpu control circuit model calling, be provided with lightning protection state pilot lamp to show the working order of lightning-protection module in cpu control circuit module, and such as green representative is normal, and redness represents abnormal; In addition, photovoltaic generating system running status pilot lamp can be set in cpu control circuit module, such as, described pilot lamp comprises run indicator (RUN pilot lamp) and alarm pilot lamp (ALARM pilot lamp), when after system electrification, described run indicator is green, and this pilot lamp such as can glimmer with the interval speed of 1 second with fixed frequency; When system jam, described alarm pilot lamp, in red, is state of often going out when system recovery normally runs.
Described display module comprises multiple charactron, such as 6 charactrons, when after system electrification, this charactron with fixing frequency, such as with the current value of the interval speed scroll displays temperature value of 3 seconds, magnitude of voltage and multiple passage. When displays temperature value, before show captions " T ", display magnitude of voltage time, show captions " U " above, display current value time, before display " I01 ", " I02 " ..., the electric current of that light volt group string that corresponding corresponding current sense device connects respectively. Another preferred embodiment in, described display module can arrange 3 buttons, corresponding 3 kinds of patterns (MODE), such as, pressing MODE1, display magnitude of voltage, pressing MODE2, display current value, pressing MODE3, displays temperature value.
In order to facilitate the running status of user's monitor in real time photovoltaic generating system, the integrating optical overhead utility header box control module of the present invention can be communicated to connect by MODBUS communication protocol and upper computer such as control microcomputer or intelligent mobile terminal, such as, the cpu control circuit module of described header box control module is provided with RS485 interface, and it can be changed interface by USB and finally be connected with control microcomputer or intelligent mobile terminal.
The monitoring user demand of the power generation system with different scales it is suitable for for the ease of the integrating optical overhead utility header box control module of the present invention, the structural representation of the cpu control circuit module of one embodiment of the integrating optical overhead utility header box control module of the present invention as shown in Figure 3, it is connected with lightning-protection module 40, the cpu control circuit module 20 of described header box control module is provided with and dials code switch S W1 and SW2 to arrange baud rate and the address of MODBUS. When arranging the baud rate of Modbus, SW1 dials yard switch can represent 1200,2400,4800,9600 4 kinds of baud rates, and when 1 and 2 of SW1 pushes " OFF " position, ModBus baud rate is 1200; When 1 of SW1 pushes " ON ", 2 push " OFF ", and ModBus baud rate is 2400; When 1 of SW1 pushes " OFF ", 2 push " ON ", and ModBus baud rate is 4800; When 1 and 2 of SW1 pushes " ON " position, ModBus baud rate is 9600. When arranging the address of Modbus, SW2 dials the address 0x00-0xff that yard switch can represent ModBus respectively, dials lowest order-most significant digit that code switch 1-8 position represents address respectively. When 1-8 position is all " OFF ", address is 0; When 1-8 position is all " ON ", address is 255.
The integrating optical overhead utility header box control module of the present invention, it is applied to photovoltaic electric station header box, every Lu Guangfu group string that input is confluxed is carried out control measurement, the generating electric current of each light volt group string, voltage, header box temperature, lightning protection device state etc. in Real-Time Monitoring header box, by fieldbus, data are sent to monitoring power station center, the work situation of Real-Time Monitoring light volt group string and the exception of Timeliness coverage generating rate, improve the whole systematic observation at photovoltaic electric station and the reliability of operation, for the raising of whole system efficiency provides basic data. Whole control module designs for integrated form, and facilitates user to arrange mailing address and baud rate by dialling code switch so that it is being applicable to the photovoltaic generating system of various scale, suitability is wide.
The present invention is not limited to described embodiment, and namely the technician of this area discloses in scope in the spirit not departing from the present invention, still can do some and revises or change, therefore the scope that the scope of the present invention limits with claim book is as the criterion.
Claims (8)
1. an integrating optical overhead utility header box control module, it is characterised in that, described header box control module comprises voltage transformation module, cpu control circuit module, lightning-protection module, current acquisition mainboard and display module; Wherein, the input terminus of described voltage transformation module is connected with the isolating switch of header box, its output terminal and cpu control circuit model calling; Described lightning-protection module, current acquisition mainboard and display module are all connected with described cpu control circuit, described current acquisition mainboard is connected with display module, and described voltage transformation module is provided with actual power voltage monitoring end and is connected with CPU control module.
2. a kind of integrating optical overhead utility header box control module as claimed in claim 1, it is characterised in that, described cpu control circuit module and display module are arranged on current acquisition mainboard, and are connected with current acquisition mainboard by board to board connector.
3. a kind of integrating optical overhead utility header box control module as claimed in claim 1, it is characterised in that, described current acquisition plate is provided with multiple current sense device, respectively corresponding multiple photovoltaic cell group string in corresponding photovoltaic electric station.
4. a kind of integrating optical overhead utility header box control module as claimed in claim 1, it is characterised in that, described cpu control circuit module is provided with lightning protection state pilot lamp and photovoltaic generating system running status pilot lamp.
5. a kind of integrating optical overhead utility header box control module as claimed in claim 1, it is characterised in that, the Current Temperatures of the instant magnitude of voltage of each light volt group string at described display module scrolling display photovoltaic electric station, instant current value and header box.
6. a kind of integrating optical overhead utility header box control module as claimed in claim 1, it is characterised in that, described cpu control circuit module is connected with upper computer by communication interface.
7. a kind of integrating optical overhead utility header box control module as claimed in claim 6, it is characterised in that, described communication interface is RS-485 communication interface, and described upper computer comprises control microcomputer or intelligent mobile terminal.
8. a kind of integrating optical overhead utility header box control module as claimed in claim 1, it is characterised in that, described CPU control module is provided with group code switch arranging mailing address and baud rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510991977.9A CN105634401A (en) | 2015-08-30 | 2015-12-25 | Integrated photovoltaic power station combiner box control module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510541873 | 2015-08-30 | ||
| CN2015105418738 | 2015-08-30 | ||
| CN201510991977.9A CN105634401A (en) | 2015-08-30 | 2015-12-25 | Integrated photovoltaic power station combiner box control module |
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| CN105634401A true CN105634401A (en) | 2016-06-01 |
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| CN201510991977.9A Pending CN105634401A (en) | 2015-08-30 | 2015-12-25 | Integrated photovoltaic power station combiner box control module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108769280A (en) * | 2018-04-21 | 2018-11-06 | 深圳市禾望电气股份有限公司 | Method, equipment, storage medium and the electricity generation system of header box address information are set |
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2015
- 2015-12-25 CN CN201510991977.9A patent/CN105634401A/en active Pending
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Application publication date: 20160601 |