CN204669312U - A kind of distributed photovoltaic power failure checkout gear - Google Patents
A kind of distributed photovoltaic power failure checkout gear Download PDFInfo
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- CN204669312U CN204669312U CN201520403040.0U CN201520403040U CN204669312U CN 204669312 U CN204669312 U CN 204669312U CN 201520403040 U CN201520403040 U CN 201520403040U CN 204669312 U CN204669312 U CN 204669312U
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- microprocessor
- described microprocessor
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- acquisition time
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
This application provides a kind of distributed photovoltaic power failure checkout gear, comprise the acquisition time device that timesharing switches the magnitude of voltage gathering each brilliant plate in photovoltaic group; Described magnitude of voltage and preset voltage value are compared, judges according to comparative result the microprocessor whether described brilliant plate breaks down; Described acquisition time device is connected with described microprocessor.In the application, whether the magnitude of voltage of each brilliant plate of acquisition time and the magnitude of voltage preset are compared the brilliant plate judging to gather and break down by microprocessor, effectively can carry out the fault detect in distributed photovoltaic power station.
Description
Technical field
The application relates to field, distributed photovoltaic power station, particularly a kind of distributed photovoltaic power failure checkout gear.
Background technology
Along with the development of technology, the fault detect of people to distributed photovoltaic power station is more and more paid close attention to.
In the maintenance management in novel distributed photovoltaic power station, can find whether break down at the photovoltaic station of peasant household's roof fast timely, and automatically can cut out of order brilliant plate, avoid the fire because photovoltaic panel fault causes, the operating efficiency of photovoltaic panel can be improved like this.And a certain piece of photovoltaic panel broken down can be found out in time in the photovoltaic plant of technical grade, can maintenance cost be saved like this.
Therefore, the fault detect how effectively carrying out distributed photovoltaic power station is the current technical issues that need to address of those skilled in the art.
Utility model content
Technical problems to be solved in this application are to provide a kind of distributed photovoltaic power failure checkout gear, effectively can carry out the fault detect in distributed photovoltaic power station.
Its concrete scheme is as follows:
A kind of distributed photovoltaic power failure checkout gear, this device comprises:
Timesharing switches the acquisition time device of the magnitude of voltage gathering each brilliant plate in photovoltaic group;
Described magnitude of voltage and preset voltage value are compared, judges according to comparative result the microprocessor whether described brilliant plate breaks down;
Described acquisition time device is connected with described microprocessor.
Above-mentioned device, preferably, the electronic switch of 1 is entered in described acquisition time device employing 16, and described electronic switch is connected with the AD pin of described microprocessor by switch-com pin.
Above-mentioned device, preferably, also comprises:
Be connected with described microprocessor, the fault message described microprocessor judges obtained sends to the note cat module of default terminal equipment with short message mode.
Above-mentioned device, preferably, described note cat module adopts MC37I note cat module.
Above-mentioned device, preferably, also comprises:
Communication module, described communication module adopts 485 communication modules.
Above-mentioned device, preferably, also comprises:
Be connected with described microprocessor, gather the current sensor of the electric current of brilliant plate.
Above-mentioned device, preferably, also comprises:
Connect PC and described microprocessor, carry out the serial port module communicated between described PC with described microprocessor.
Above-mentioned device, preferably, described serial port module adopts 232 modules, and described 232 modules are connected to the corresponding supervisor of described microprocessor by UART3 (TX, RX).
Above-mentioned device, preferably, also comprises:
The memory be connected with described microprocessor, described memory adopts external FLASH memory, and described external FLASH memory is connected with described microprocessor by spi interface.
In a kind of distributed photovoltaic power failure checkout gear that the application provides, comprise the acquisition time device that timesharing switches the magnitude of voltage gathering each brilliant plate in photovoltaic group; Described magnitude of voltage and preset voltage value are compared, judges according to comparative result the microprocessor whether described brilliant plate breaks down; Described acquisition time device is connected with described microprocessor.In the application, whether the magnitude of voltage of each brilliant plate of acquisition time and the magnitude of voltage preset are compared the brilliant plate judging to gather and break down by microprocessor, effectively can carry out the fault detect in distributed photovoltaic power station.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present application, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of distributed photovoltaic power failure checkout gear embodiment of the application.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, be clearly and completely described the technical scheme in the embodiment of the present application, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
With reference to figure 1, show the structural representation of a kind of distributed photovoltaic power failure of the application checkout gear embodiment, this device comprises:
Timesharing switches the acquisition time device 101 of the magnitude of voltage gathering each brilliant plate in photovoltaic group; Described magnitude of voltage and preset voltage value are compared, judges according to comparative result the microprocessor 102 whether described brilliant plate breaks down; Described acquisition time device is connected with described microprocessor.
In the application, described acquisition time device 101 adopt 16 enter 1 electronic switch, enter by 16 the voltage that 1 electronic switch gone out carries out each brilliant plate in acquisition time photovoltaic group, the error that device brings can be reduced like this, the precision of voltage on each brilliant plate of collecting can be ensured more accurately.Electronic switch is connected to the AD pin of MCU by switch-com pin, then is controlled the switching of electronic switch by the I/O port of CPU.Electronic switch in addition in the application has bypass diode, and described bypass diode can ensure automatically cut out when brilliant plate breaks down, and can ensure the operating efficiency of photovoltaic panel like this.
Microprocessor 102 in the application is cores of the application's distributed photovoltaic power failure checkout gear, other functional module all will be connected on described microprocessor, described microprocessor by the collection of control voltage, the transmitting-receiving of data and reporting of alarm.
In the application, also comprise:
Be connected with described microprocessor, the fault message described microprocessor judges obtained sends to the note cat module 103 of default terminal equipment with short message mode, and described note cat module 103 adopts MC37I note cat module.
In specific operation process, the fault message described microprocessor judges obtained sends to default mobile phone terminal by note cat module with short message mode, default mobile phone terminal in the application is generally keeper's mobile phone, but is not limited thereto, and is determined on a case-by-case basis.
The fault message that the analysis of described microprocessor 102 obtains is reported keeper by the mode of note by described MC37I note cat module 103.So just timely the photovoltaic panel information broken down can be sent to keeper.Facilitate management and the maintenance work at photovoltaic station.
In the application, also comprise:
Communication module 106, described communication module 106 adopts 485 communication modules, is 485 modules of a band isolation, and this can reduce equipment and to communicate under environment at the scene brought interference.
Equipment also with principal and subordinate 485 communication function, so just can ensure communication quality, and with subtending port, also can carry out the collection of data like this to the photovoltaic panel of technical grade.The data upload that each can be collected by cascade carries out data analysis to control port.
In the application, also comprise:
Be connected with described microprocessor, gather the current sensor of the electric current of brilliant plate, current sensor is connected on the major trunk roads of photovoltaic group, and the current value collected is sent to the AD mouth of microprocessor by output port.Microprocessor obtains corresponding current value by software analysis.Consider in present inverter have current acquisition module, so also the electric current on inverter directly can be collected by 485.
In the application, also comprise:
Connect PC and described microprocessor, carry out the serial port module communicated between described PC with described microprocessor.Described serial port module adopts 232 modules 104, and described 232 modules are connected with the respective pin of described microprocessor by UART3 (TX, RX).So just achieve the communication of PC and MCU.This debugging not only on device program, and also realized by serial ports in the data acquisition in later stage.
In the application, also comprise:
The memory 105 be connected with described microprocessor, described memory 105 adopts external FLASH memory, described external FLASH memory is connected with described microprocessor by spi interface, and the renewal for system is upgraded, and this enhances operability and the flexibility of system.
In a kind of distributed photovoltaic power failure checkout gear that the application provides, the voltage in acquisition time photovoltaic panel is realized by electronic switch, the error brought because of device can be reduced so to greatest extent, by the magnitude of voltage that microcontroller acquires arrives, can show that whether collected brilliant plate is normal by software analysis and parameter comparison.Automatically can cut out the brilliant plate broken down, the position of the brilliant plate of fault can be oriented, and fault message is sent to keeper by the mode of note.Also can automatically recover after pending fault reparation.An a certain like this equipment fault, does not affect other equipment and normally works.So just can find out the brilliant plate of fault in time, maintenance cost and time can be saved like this.
It should be noted that, each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Above a kind of distributed photovoltaic power failure checkout gear that the application provides is described in detail, apply specific case herein to set forth the principle of the application and execution mode, the explanation of above embodiment is just for helping method and the core concept thereof of understanding the application; Meanwhile, for one of ordinary skill in the art, according to the thought of the application, all will change in specific embodiments and applications, in sum, this description should not be construed as the restriction to the application.
Claims (9)
1. a distributed photovoltaic power failure checkout gear, is characterized in that, this device comprises:
Timesharing switches the acquisition time device of the magnitude of voltage gathering each brilliant plate in photovoltaic group;
Described magnitude of voltage and preset voltage value are compared, judges according to comparative result the microprocessor whether described brilliant plate breaks down;
Described acquisition time device is connected with described microprocessor.
2. device according to claim 1, is characterized in that, the electronic switch of 1 is entered in described acquisition time device employing 16, and described electronic switch is connected with the AD pin of described microprocessor by switch-com pin.
3. device according to claim 1, is characterized in that, also comprises:
Be connected with described microprocessor, the fault message described microprocessor judges obtained sends to the note cat module of default terminal equipment with short message mode.
4. device according to claim 3, is characterized in that, described note cat module adopts MC37I note cat module.
5. device according to claim 1, is characterized in that, also comprises:
Communication module, described communication module adopts 485 communication modules.
6. device according to claim 1, is characterized in that, also comprises:
Be connected with described microprocessor, gather the current sensor of the electric current of brilliant plate.
7. device according to claim 1, is characterized in that, also comprises:
Connect PC and described microprocessor, carry out the serial port module communicated between described PC with described microprocessor.
8. device according to claim 7, is characterized in that, described serial port module adopts 232 modules, and described 232 modules are connected to the corresponding supervisor of described microprocessor by UART3 (TX, RX).
9. device according to claim 1, is characterized in that, also comprises:
The memory be connected with described microprocessor, described memory adopts external FLASH memory, and described external FLASH memory is connected with described microprocessor by spi interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520403040.0U CN204669312U (en) | 2015-06-11 | 2015-06-11 | A kind of distributed photovoltaic power failure checkout gear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520403040.0U CN204669312U (en) | 2015-06-11 | 2015-06-11 | A kind of distributed photovoltaic power failure checkout gear |
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| CN204669312U true CN204669312U (en) | 2015-09-23 |
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| CN201520403040.0U Active CN204669312U (en) | 2015-06-11 | 2015-06-11 | A kind of distributed photovoltaic power failure checkout gear |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208963A (en) * | 2016-08-30 | 2016-12-07 | 中国华能集团清洁能源技术研究院有限公司 | Photovoltaic module fault monitoring method and device |
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2015
- 2015-06-11 CN CN201520403040.0U patent/CN204669312U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208963A (en) * | 2016-08-30 | 2016-12-07 | 中国华能集团清洁能源技术研究院有限公司 | Photovoltaic module fault monitoring method and device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 310023, Hangzhou, Zhejiang province Xihu District ancient Pier Road No. 616, 3 building, 4 floor Patentee after: Zhejiang Weilike Communication Co., Ltd. Address before: 310023, Hangzhou, Zhejiang province Xihu District ancient Pier Road No. 616, 3 building, 4 floor Patentee before: Hangzhou Winic Communication Systems Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |