CN203102582U - Data collector and system of photovoltaic inverter - Google Patents
Data collector and system of photovoltaic inverter Download PDFInfo
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- CN203102582U CN203102582U CN 201320114780 CN201320114780U CN203102582U CN 203102582 U CN203102582 U CN 203102582U CN 201320114780 CN201320114780 CN 201320114780 CN 201320114780 U CN201320114780 U CN 201320114780U CN 203102582 U CN203102582 U CN 203102582U
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- inverter
- data acquisition
- acquisition unit
- controller
- communication module
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Abstract
The utility model discloses a data collector and a system of a photovoltaic inverter, wherein the data collector comprises a controller and a first wireless communication module; the first wireless communication module is used for collecting the working state parameter of the inverter from a second wireless communication module of the inverter through a wireless communication network; and the controller is used for receiving the working state parameter of the inverter, collected by the first wireless communication module, through a wireless communication interface. In the utility model, for the inverter in which wires can not be distributed, the working state parameter of the inverter is collected by adopting a wireless manner, so that the problem that the wiring is difficulty or can not be performed to collect the working state parameter of the inverter can be solved, and further the monitoring on the working state of the inverter can be realized.
Description
Technical field
The utility model relates to signals collecting and processing technology field, particularly relates to a kind of photovoltaic DC-to-AC converter data acquisition unit and system.
Background technology
Along with development of modern industry, global energy crisis and atmosphere polluting problem become increasingly conspicuous, and traditional fuel energy reduces day by day, and the harm that environment is caused becomes increasingly conspicuous.In this time, the whole world has all been invested regenerative resource to sight, wishes that regenerative resource can change human energy structure, keeps long-range sustainable development, and sun power forms the focus of paying attention to into people among this with its exclusive advantage.
Solar photovoltaic generation system is exactly a photovoltaic effect of utilizing the solar cell semiconductor material, and sun power directly is converted to a kind of new-generation system of electric energy, independent operating is arranged and the dual mode that is incorporated into the power networks.In independent operating and the photovoltaic generating system that is incorporated into the power networks, if be the AC load power supply, need the direct current of generation be converted to the alternating current of the required frequency of user by inverter, whether the operation of inverter normally is directly connected to user's daily electricity consumption.This will monitor the working status parameter of inverter with regard to requiring, and described running parameter mainly comprises instantaneous generated energy, the voltage/current that is incorporated into the power networks, photovoltaic module input current, day production capacity, aggregated capacity etc.
In the prior art, when inverter is monitored, the general data acquisition unit that adopts uses wired form to gather the working status parameter of inverter, and the solar photo-voltaic power generation station system is mainly used in the backcountry, many power stations unmanned and maintenance, and these regional landform more complicated, the position wiring at some inverter place is difficulty very, even can't connect up, make troubles for the collection of the working status parameter of inverter, be unfavorable for remote monitoring to the inverter duty.
The utility model content
A kind of photovoltaic DC-to-AC converter data acquisition unit and system that the utility model provides, to solve in the prior art, position difficult wiring for the inverter place, even can't connect up the time, be inconvenient to gather the technical matters of the working status parameter of inverter, realize remote monitoring the inverter duty.
The utility model provides a kind of photovoltaic DC-to-AC converter data acquisition unit and system, and the utility model provides following technical scheme:
A kind of photovoltaic DC-to-AC converter data acquisition unit, described data acquisition unit comprises:
The controller and first wireless communication module, described first wireless communication module are gathered the working status parameter of inverter from second wireless communication module of inverter by cordless communication network; Described controller receives the working status parameter of the inverter of first wireless communication module collection by wireless communication interface.
Preferably, described first wireless communication module and second wireless communication module are the Zigbee communication module.
Preferably, described data acquisition unit also comprises:
The one RS485 communication module is used for by the working status parameter of wireline communication network from the 2nd RS485 communication module collection inverter of inverter, and the working status parameter of gathering is transferred to controller by wired communication interface.
Preferably, described controller is the S3C2440A-30ARM9 processor.
Preferably, described data acquisition unit also comprises:
The JTAG connector is used to connect debugging module, and controller is debugged.
Preferably, described data acquisition unit also comprises:
The user key-press interface is used for controller is carried out reset operation.
Preferably, described data acquisition unit also comprises:
The WIFI interface is used for controller the working status parameter of inverter is sent to host computer in the WIFI network coverage.
And/or,
Network interface is used for controller the working status parameter of inverter is sent to host computer.
Preferably, described data acquisition unit also comprises:
Storer is used for the working status parameter of the inverter that memory controller receives, and described storer is 64M NAND FLASH that is connected with controller by data bus and/or the SD card that is connected with described controller by card reading interface.
Preferably, described data acquisition unit also comprises:
Led module is used to identify the duty of controller.
The utility model also provides a kind of photovoltaic DC-to-AC converter data acquisition system (DAS), it is characterized in that, described device comprises:
At least one inverter, arbitrary data acquisition unit as mentioned above, described inverter is connected by cordless communication network with data acquisition unit.
In the utility model, the wireless communication module in the data acquisition unit is gathered the working status parameter of inverter, then described working status parameter is transferred to controller by corresponding interface.Wherein, wireless communication module is when gathering the working status parameter of inverter, for the inverter that can't connect up, wireless communication module adopts wireless mode to gather the working status parameter of inverter, solved difficult wiring or can't connect up the time to the collection of inverter working status parameter.
Description of drawings
The accompanying drawing that describes below only is some embodiment that put down in writing among the application, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the composition frame chart of a kind of photovoltaic DC-to-AC converter data acquisition unit of the utility model embodiment 1;
Fig. 2 is the composition frame chart of a kind of photovoltaic DC-to-AC converter data acquisition unit of the utility model embodiment 2;
Fig. 3 is the composition frame chart of a kind of photovoltaic DC-to-AC converter data acquisition system (DAS) of the utility model embodiment 1.
Embodiment
For making those skilled in the art can further understand feature of the present utility model and technology contents, below in conjunction with drawings and Examples, the technical solution of the utility model is described in detail, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
With reference to shown in Figure 1, the composition frame chart of a kind of photovoltaic DC-to-AC converter data acquisition unit embodiment 1 that provides for the utility model, with reference to shown in Figure 1, described inverter data acquisition unit comprises: the controller 100 and first wireless communication module 200; Described first wireless communication module 200 is used for by the working status parameter of cordless communication network from second wireless communication module collection inverter of inverter; Described controller 100 is used for receiving by wireless communication interface the working status parameter of the inverter that first wireless communication module gathers.Described first wireless communication module 200 and second wireless communication module all can adopt the Zigbee module.
After first wireless communication module 200 collects the running parameter of inverter, the working status parameter of the inverter gathered is sent to controller 100 by wireless communication interface 111, and described controller 100 can further process the working status parameter of the inverter gathered.
Preferably, described controller can adopt cost lower and at the S3C2440A-30ARM9 of industrial a large amount of uses processor, use proof through industry, the serviceability of S3C2440A-30ARM9 processor is more stable, and the internal memory of described S3C2440A-30ARM9 processor adopts the SDRAM of 32M byte.
In the utility model, the wireless communication module in the data acquisition unit is gathered the working status parameter of inverter, then described working status parameter is transferred to controller by corresponding interface.Wherein, wireless communication module is when gathering the working status parameter of inverter, for the inverter that can't connect up, wireless communication module adopts wireless mode to gather the working status parameter of inverter, solved difficult wiring or can't connect up the time to the collection of inverter working status parameter.
With reference to shown in Figure 2, the composition frame chart of a kind of photovoltaic DC-to-AC converter data acquisition unit embodiment 2 that provides for the utility model, the utility model is realized the remote monitoring to the inverter duty by embedded WebServer service in controller 100.Except the module shown in Fig. 1, further, described data acquisition unit can also comprise: a RS485 communication module 210, be used for by the working status parameter of wireline communication network, and the working status parameter of gathering is transferred to controller 100 by wired communication interface 112 from the 2nd RS485 communication module collection inverter of inverter.
In actual motion, can adopt wired or wireless mode to gather to the working status parameter of inverter, when gathering in wired mode, a RS485 communication module 210 is gathered the working status parameter of inverter by wireline communication network; After the one RS485 communication module collects the running parameter of inverter, the working status parameter of the inverter gathered is sent to controller 100 by wired communication interface 112.The working status parameter of the inverter of 100 pairs of receptions of described controller is resolved, determine that by the sequence number of the inverter that parses which inverter is the working status parameter of gathering be, controller 100 carries out classification and storage to storer 113 according to the type identification that receives in the data with the working status parameter of gathering then, such as, fault type parameter, electrogenesis amount parameter etc., wherein said storer is connected with controller by data bus, storer is 64M NAND FLASH and/or external SD card, and described SD cartoon is crossed card reading interface and is connected with controller.
When actual motion, for the inverter that is fit to wiring the 2nd RS485 communication module can be installed, second wireless communication module is installed in the inverter that is not suitable for connecting up; Perhaps after the inverter that is fit to wiring is installed the 2nd RS485 communication module, second wireless communication module can be installed on each inverter, preferably, described second wireless communication module adopts has the Zigbee module of relay function, like this, for remote inverter, can the working status parameter of remote inverter be sent to first wireless communication module in the mode of relaying.
Further, data acquisition unit can also comprise:
USB(Universal Serial BUS, USB (universal serial bus)) interface 114 is convenient to the user working status parameter of the inverter stored in the storer is copied;
JTAG(Joint Test Action Group) connector 115 provides interface for the user debugs the inverter data acquisition system (DAS), perhaps, provides a serial port as debugging interface in controller;
User key-press interface 116 is used for operations such as the inverter data acquisition system (DAS) reset;
Do not cover host computer for communication distance than big or WIFI communication network, controller can pass through network interface 118, the working status parameter of inverter is sent to host computer, the duty that supplies the user to check inverter, preferably, the network interface of network interface employing 10/100M in the present embodiment.
In practical operation, can only adopt the network interface 118 of 10/100M to carry out network data transmission, perhaps for the host computer in the WIFI communication range, carry out data transmission by the WIFI network, and, adopt the network interface of 10/100M to carry out network data transmission for the unlapped area of WIFI.
Whether whether preferably, it is normal to monitor core processing module work for the ease of the user, and described system can also comprise led module 119, is used to identify the duty of controller, normal etc. such as, the supply voltage of controller.
Described USB(Universal Serial BUS, USB (universal serial bus)) interface 114, JTAG(Joint Test Action Group) connector 115, user key-press interface 116, WIFI interface 117, network interface 118 all be connected with controller by relevant chip pin in the controller with led module 119.
In the present embodiment, the beneficial effect in can realizing embodiment 1, further, when gathering the working status parameter of inverter, for the convenient inverter acquisition system that connects up or connected up, can directly utilize the running parameter of wired type collection inverter of having disposed; And, adopt wireless acquisition module to gather the running parameter of inverter for the inverter that can't connect up.In this programme, do not changing under the condition that existing monitoring system disposes, solving difficult wiring or the data acquisition of the inverter that can't connect up, realizing monitoring the inverter duty.
Further, also can all adopt the wireless monitor of the form realization of wireless network, reduce the cost that uses cable network the inverter duty; Secondly, wireless communication module (wireless acquisition module) adopts the bigger Zigbee communication module of communication distance, and Zigbee communication module set network capacity is easy, adopts the mode of relaying, further can increase communication distance.
Wired in the utility model, wireless communication module separates design with controller, is convenient to the function expansion of system; Simultaneously, what the inverter data acquisition system (DAS) was real-time sends to host computer with the working status parameter of the gathering form by the internet, is convenient to the remote monitoring of user to inverter.
Accordingly, the utility model also provides a kind of photovoltaic DC-to-AC converter data acquisition system (DAS), in actual application environment, the inverter data acquisition unit will be gathered the duty of a plurality of inverters, sometimes being dozens of or up to a hundred, is that example schematically illustrates structure of the present utility model with an inverter in the present embodiment.
With reference to shown in Figure 3, the structural representation of a kind of photovoltaic DC-to-AC converter data acquisition system (DAS) embodiment 1 also is provided for the utility model, described device comprises: at least one inverter 300, as embodiment 1 and the described data acquisition unit 400 of embodiment 2 arbitrary embodiment, described inverter is connected by cordless communication network with data acquisition unit.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of utility model.
Claims (10)
1. a photovoltaic DC-to-AC converter data acquisition unit is characterized in that, described data acquisition unit comprises:
The controller and first wireless communication module;
Described first wireless communication module is used for by the working status parameter of cordless communication network from second wireless communication module collection inverter of inverter;
Described controller is used for receiving by wireless communication interface the working status parameter of the inverter that first wireless communication module gathers.
2. data acquisition unit according to claim 1 is characterized in that, described first wireless communication module and second wireless communication module are the Zigbee communication module.
3. data acquisition unit according to claim 1 is characterized in that, described data acquisition unit also comprises:
The one RS485 communication module is used for by the working status parameter of wireline communication network from the 2nd RS485 communication module collection inverter of inverter, and the working status parameter of gathering is transferred to controller by wired communication interface.
4. data acquisition unit according to claim 1 is characterized in that, described controller is the S3C2440A-30ARM9 processor.
5. data acquisition unit according to claim 1 is characterized in that, described data acquisition unit also comprises:
The JTAG connector is used to connect debugging module, and controller is debugged.
6. data acquisition unit according to claim 1 is characterized in that, described data acquisition unit also comprises:
The user key-press interface is used for controller is carried out reset operation.
7. data acquisition unit according to claim 1 is characterized in that, described data acquisition unit also comprises:
The WIFI interface is used for controller the working status parameter of inverter is sent to host computer in the WIFI network coverage;
And/or,
Network interface is used for controller the working status parameter of inverter is sent to host computer.
8. data acquisition unit according to claim 1 is characterized in that, described data acquisition unit also comprises:
Storer is used for the working status parameter of the inverter that memory controller receives, and described storer is 64M NAND FLASH that is connected with controller by data bus and/or the SD card that is connected with described controller by card reading interface.
9. data acquisition unit according to claim 1 is characterized in that, described data acquisition unit also comprises:
Led module is used to identify the duty of controller.
10. a photovoltaic DC-to-AC converter data acquisition system (DAS) is characterized in that, described system comprises:
At least one inverter, as each described data acquisition unit of claim 1-9, described inverter is connected by cordless communication network with data acquisition unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320114780 CN203102582U (en) | 2013-03-13 | 2013-03-13 | Data collector and system of photovoltaic inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320114780 CN203102582U (en) | 2013-03-13 | 2013-03-13 | Data collector and system of photovoltaic inverter |
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| CN203102582U true CN203102582U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320114780 Expired - Lifetime CN203102582U (en) | 2013-03-13 | 2013-03-13 | Data collector and system of photovoltaic inverter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553107A (en) * | 2016-02-23 | 2016-05-04 | 国网上海市电力公司 | Summarizing device |
| CN105761468A (en) * | 2016-02-23 | 2016-07-13 | 国网上海市电力公司 | Monitoring system of photovoltaic power station |
| CN106560789A (en) * | 2016-05-05 | 2017-04-12 | 艾思玛新能源技术（上海）有限公司 | System upgrading method and device |
-
2013
- 2013-03-13 CN CN 201320114780 patent/CN203102582U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553107A (en) * | 2016-02-23 | 2016-05-04 | 国网上海市电力公司 | Summarizing device |
| CN105761468A (en) * | 2016-02-23 | 2016-07-13 | 国网上海市电力公司 | Monitoring system of photovoltaic power station |
| CN106560789A (en) * | 2016-05-05 | 2017-04-12 | 艾思玛新能源技术（上海）有限公司 | System upgrading method and device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |
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| CX01 | Expiry of patent term |