CN102937987B - The method of the Centralized Controller inquiry inverter in distributed multiple inverter system - Google Patents
The method of the Centralized Controller inquiry inverter in distributed multiple inverter system Download PDFInfo
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- CN102937987B CN102937987B CN201210419085.8A CN201210419085A CN102937987B CN 102937987 B CN102937987 B CN 102937987B CN 201210419085 A CN201210419085 A CN 201210419085A CN 102937987 B CN102937987 B CN 102937987B
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Abstract
The invention provides the method for the Centralized Controller inquiry inverter in a kind of distributed multiple inverter system, comprise step: the numbering of each inverter in A. Automatic inquirying native system; B. respective numbering signal is sent to Centralized Controller by inverter; C. be recorded in numbering storehouse after receiving numbering signal; D. judge whether correctly to find inverter numberings all in native system, if be judged as YES, then skip to step F; If E. Centralized Controller does not look for entirely all inverter numberings, then in Centralized Controller, the inverter of manually input disappearance is numbered, and joins in numbering storehouse; If Centralized Controller has looked for the inverter of non-native system to number more, then from the numbering storehouse of Centralized Controller, the inverter of manual Delete superfluous has been numbered; F. the inverter numbering that autostore is all, and be converted to manual queries pattern.The present invention contributes to Centralized Controller and communicates with all inverters foundation in native system easily, but can not produce interference to the communication of other system.
Description
Technical field
The present invention relates to distributed generation system technical field, specifically, the present invention relates to the method for the Centralized Controller inquiry inverter in a kind of distributed multiple inverter system.
Background technology
Communicator (Centralized Controller) is a kind of by power line carrier communication (PLC) or wireless as Zigbee, WiFi, or other wired connection (RS232, RS485, CAN etc.) control each data acquisition of independently inverter and the device of running.
Current photovoltaic micro-inverter system adopts communicator to collect data and control inverter, and inverter internal has the numbering of communication module and burning, and communicator has communication module.Each inverter has numbering, and communicator will obtain this numbering, thus sets up and the communicating of each inverter.Usual employing Automatic inquirying pattern, namely communicator receives the signal of each inverter, they is all treated as the inverter in native system.The problem of this technology is the signal that communicator may receive the inverter not belonging to native system (such as other system), causes the interference between system.Especially ensure communication quality, intensity and the transmission range of communication can be strengthened, so more easily cause between system and interfere with each other.
Current a kind of way is that each system adds a wave filter, and signal is limited in native system.Such way not only increases wave filter cost, complexity, workload and cost that the system that also greatly increases is installed.Another way adopts manual queries pattern, and in communicator, input the numbering of native system inverter, communicator inquires numbers identical inverter with these, and foundation communicates with these inverters.The problem of this pattern comprises: 1. loaded down with trivial details inconvenience, time particularly system is large; 2. the numbering of input is the numbering of the outer label of inverter, just in case when the numbering of inverter internal burning is different with outer tag number, cannot find this inverter.
Summary of the invention
Technical matters to be solved by this invention is to provide the method for the Centralized Controller inquiry inverter in a kind of distributed multiple inverter system, this Centralized Controller can be set up with all inverters in native system easily communicate, but interference can not be produced to the communication of other system.
For solving the problems of the technologies described above, the invention provides the method for the Centralized Controller inquiry inverter in a kind of distributed multiple inverter system, comprising step:
The numbering of each inverter A. in described Centralized Controller Automatic inquirying native system;
B. respective numbering signal is sent to described Centralized Controller by described inverter respectively;
C. described Centralized Controller is recorded in numbering storehouse after receiving described numbering signal, as in native system to the numbering of described inverter;
D. described Centralized Controller judges whether correctly to find inverter numberings all in native system, if be judged as NO, then performs next step, if be judged as YES, then skips to step F;
If E. described Centralized Controller does not look for entirely all inverter numberings, then enter manual queries pattern, in described Centralized Controller, the inverter numbering of manually input disappearance, joins in numbering storehouse; If described Centralized Controller has looked for the inverter of non-native system to number more, then enter manual queries pattern, the inverter numbering of manual Delete superfluous from the described numbering storehouse of described Centralized Controller;
F. the inverter numbering that autostore is all, and be converted to manual queries pattern.
Alternatively, described Centralized Controller controls each the independently data acquisition of inverter and running by wired or radio connection.
Alternatively, described wired connection mode is power line carrier communication mode.
Alternatively, described wired connection mode is that RS232 connects, RS485 connects or CAN connects.
Alternatively, described radio connection is that Zigbee connects or WiFi connects.
Compared with prior art, the present invention has the following advantages:
Under normal conditions, the installation personnel of multiple inverter system can adopt the numbering Automatic inquirying of system, and system is easy for installation.After completing Automatic inquirying, be converted to manual queries, avoid the inverter found in other system that Automatic inquirying may occur, this inverter is included in the situation of native system.By the comprehensive and intelligent switching of Automatic inquirying pattern and manual queries pattern, the problem that Automatic inquirying can not be looked for entirely or look for inverter more can be solved very well, also solve manual queries very well inconvenient, may numbering be inputed by mistake, or inverter label and the unmatched problem of internal number.The present invention can solve the problem that the communication between distributed multi-inverter solar photovoltaic system is disturbed mutually, ensure that their steady operation.
Accompanying drawing explanation
The above and other features of the present invention, character and advantage become more obvious by passing through below in conjunction with the description of drawings and Examples, wherein:
Fig. 1 is the method flow diagram of the Centralized Controller inquiry inverter in the distributed multiple inverter system of one embodiment of the invention.
Embodiment
Below in conjunction with specific embodiments and the drawings, the invention will be further described; set forth more details in the following description so that fully understand the present invention; but the present invention obviously can implement in multiple these other modes described that are different from; those skilled in the art can when doing similar popularization, deduction without prejudice to when intension of the present invention according to practical situations, therefore should with content constraints protection scope of the present invention of this specific embodiment.
On the whole, the method that Centralized Controller inquires about each inverter has Automatic inquirying acquisition, manually input numbering inquiry acquisition, or the combination of the two.In the pattern of Automatic inquirying numbering, record, as the numbering of inverter in native system after the numbering signal that Centralized Controller reception inverter sends.
Manually input in numbering query pattern, in Centralized Controller, first input the numbering of inverter in this system, numbering signal sends by Centralized Controller, if the numbering after inverter receives in this inverter receives the identical of numbering with from Centralized Controller, this inverter is communicated with Centralized Controller.
Under the pattern of Automatic inquirying numbering, Centralized Controller may receive the signal of some inverter coming from other system, understands this numbering signal record and thinks that this inverter is in native system.At this moment other system can lose this inverter usually, and due to native system display data not this numbering, so the data of this inverter can not show.
Fig. 1 is the method flow diagram of the Centralized Controller inquiry inverter in the distributed multiple inverter system of one embodiment of the invention.As shown in Figure 1, the method mainly comprises following content:
Perform step S101, Centralized Controller is introduced into Automatic inquirying pattern, the numbering of all inverters in Automatic inquirying native system after starting.
Perform step S102, respective numbering signal is sent to this Centralized Controller by each inverter respectively.
Perform step S103, Centralized Controller is recorded in numbering storehouse after receiving numbering signal, as in native system to the numbering of inverter, should to communicate with these inverters of numbering later.
Perform step S104, Centralized Controller judges whether correctly to find inverter numberings all in native system.If be judged as NO, then perform next step; If be judged as YES, then skip to step S106.
Perform step S105, if do not look for entirely all inverter numberings at Automatic inquirying set of patterns middle controller, namely lack some numbering, then can enter manual queries pattern, in Centralized Controller, these inverters numbering of manually input disappearance, joins in numbering storehouse.If looked for the inverter of non-native system to number at Automatic inquirying set of patterns middle controller more, namely have found the inverter numbering of other system by mistake, then also can enter manual queries pattern, these inverters numbering of manual Delete superfluous from the numbering storehouse of Centralized Controller.
At this moment, the inverter of this numbering in other system can lose and the communicating of the Centralized Controller in its oneself system.If Centralized Controller does not receive data for some time to the inverter in oneself numbering storehouse, such as one hour or one day etc., Centralized Controller restarts and the communicating of this numbering inverter.Like this, just in case in the installation process of nearby certain system, related to the inverter in the other system at this communicator place under Automatic inquirying pattern, this Centralized Controller also can not lose and the contact of this inverter.
And just in case there is the numbering of inverter internal burning different with the numbering of external label, if use manual queries pattern, will inquires about after the numbering input set middle controller of external label, at this moment can not find this inverter.At this moment adopt Automatic inquirying pattern can find the numbering of this inverter internal, solve this problem.
Finally perform step S106, the inverter numbering that Centralized Controller autostore is all, and be converted to manual queries pattern.
In the present embodiment, this Centralized Controller controls each the independently data acquisition of inverter and running by wired or radio connection.Wherein, wired connection mode can be power line carrier communication (PLC) mode, or other wired connection modes such as RS232 connection, RS485 connection or CAN connect.And radio connection can connect for Zigbee or WiFi connects.
In addition, in the present embodiment, system installer also can select to be use manual queries pattern at the very start, occurs the inquiry of inverter numbering not then, then uses Automatic inquirying pattern instead and go to inquire about correct numbering.
Under normal conditions, use the installation personnel of multiple inverter system of the present invention can adopt the numbering Automatic inquirying of system, system is easy for installation.After completing Automatic inquirying, be converted to manual queries, avoid the inverter found in other system that Automatic inquirying may occur, this inverter is included in the situation of native system.By the comprehensive and intelligent switching of Automatic inquirying pattern and manual queries pattern, the problem that Automatic inquirying can not be looked for entirely or look for inverter more can be solved very well, also solve manual queries very well inconvenient, may numbering be inputed by mistake, or inverter label and the unmatched problem of internal number.The present invention can solve the problem that the communication between distributed multi-inverter solar photovoltaic system is disturbed mutually, ensure that their steady operation.
Although the present invention with preferred embodiment openly as above, it is not that any those skilled in the art without departing from the spirit and scope of the present invention, can make possible variation and amendment for limiting the present invention.Therefore, every content not departing from technical solution of the present invention, any amendment done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all fall within protection domain that the claims in the present invention define.
Claims (5)
1. a method for the Centralized Controller inquiry inverter in distributed multiple inverter system, comprises step:
The numbering of each inverter A. in described Centralized Controller Automatic inquirying native system;
B. respective numbering signal is sent to described Centralized Controller by described inverter respectively;
C. described Centralized Controller is recorded in numbering storehouse after receiving described numbering signal, as in native system to the numbering of described inverter;
D. described Centralized Controller judges whether correctly to find inverter numberings all in native system, if be judged as NO, then performs next step, if be judged as YES, then skips to step F;
If E. described Centralized Controller does not look for inverter numberings all in complete edition system, then enter manual queries pattern, in described Centralized Controller, the inverter numbering of manually input disappearance, joins in numbering storehouse, performs step D subsequently; If described Centralized Controller has looked for the inverter in non-native system to number more, then enter manual queries pattern, from the described numbering storehouse of described Centralized Controller, the inverter numbering of manual Delete superfluous, performs step D subsequently;
F. the inverter numbering that autostore is all, and be converted to manual queries pattern.
2. the method for Centralized Controller according to claim 1 inquiry inverter, is characterized in that, described Centralized Controller controls each the independently data acquisition of inverter and running by wired or radio connection.
3. the method for Centralized Controller inquiry inverter according to claim 2, it is characterized in that, described wired connection mode is power line carrier communication mode.
4. the method for Centralized Controller inquiry inverter according to claim 2, is characterized in that, described wired connection mode is that RS232 connects, RS485 connects or CAN connects.
5. the method for Centralized Controller inquiry inverter according to claim 2, is characterized in that, described radio connection is that Zigbee connects or WiFi connects.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103957034B (en) * | 2014-05-16 | 2015-12-09 | 浙江昱能科技有限公司 | The power line communication method of inverter system |
| CN105807745A (en) * | 2016-05-04 | 2016-07-27 | 广东芬尼克兹节能设备有限公司 | Centralized control method and system for heat pump units and heat pump unit centralized control device |
| CN105897306B (en) * | 2016-05-19 | 2018-02-13 | 江苏通灵电器股份有限公司 | The combined communications system and its composite communication mode of Miniature inverter based on PLC/ZigBee |
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| CN102480770B (en) * | 2010-11-22 | 2015-07-08 | 中国科学院沈阳自动化研究所 | Autonomous networking method for wireless meter-reading system of electric energy meter |
| CN102566517B (en) * | 2010-12-15 | 2014-02-26 | 上海电科电器科技有限公司 | Detection method capable of automatically identifying state of controlled equipment through photovoltaic data collector |
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| CN1467651A (en) * | 2002-07-09 | 2004-01-14 | 力捷电脑股份有限公司 | Method for producing equipment serial number |
| CN101431253A (en) * | 2007-11-07 | 2009-05-13 | 孙军平 | Low-voltage power distribution network data processing method, apparatus and system based on WSN |
| CN101718854A (en) * | 2009-11-27 | 2010-06-02 | 深圳市科陆电子科技股份有限公司 | Management method for ammeter in concentrator |
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Address after: 314050 Jiaxing, South Lake District, Zhejiang, Asia Pacific Road, No. 1 Applicant after: Zhejiang Yuneng Technology Co., Ltd. Address before: 314050 Jiaxing, South Lake District, Zhejiang, Asia Pacific Road, No. 1 Applicant before: Altenergy Power System Inc. |
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Denomination of invention: Method for querying inverters by integrated controller in distributed multi-inverter system Effective date of registration: 20190402 Granted publication date: 20160316 Pledgee: Agricultural Bank of China Limited by Share Ltd Jiaxing science and Technology Branch Pledgor: Zhejiang Yuneng Technology Co., Ltd. Registration number: 2019330000091 |
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Address after: 3 / F, building 1, No. 1, Asia Pacific Road (Jiaxing Science and technology city), Nanhu District, Jiaxing City, Zhejiang Province Patentee after: Yuneng Technology Co., Ltd Address before: 314050 No. 1 Asia Pacific Road, Nanhu District, Zhejiang, Jiaxing Patentee before: Zhejiang Yuneng Technology Co.,Ltd. |
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Date of cancellation: 20211222 Granted publication date: 20160316 Pledgee: Agricultural Bank of China Limited by Share Ltd. Jiaxing science and Technology Branch Pledgor: Zhejiang Yuneng Technology Co.,Ltd. Registration number: 2019330000091 |
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