CN106444455A - Wireless networking method and system for internal communication of centralized-distributed type inverting system - Google Patents
Wireless networking method and system for internal communication of centralized-distributed type inverting system Download PDFInfo
- Publication number
- CN106444455A CN106444455A CN201610945912.5A CN201610945912A CN106444455A CN 106444455 A CN106444455 A CN 106444455A CN 201610945912 A CN201610945912 A CN 201610945912A CN 106444455 A CN106444455 A CN 106444455A
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- Prior art keywords
- wireless
- module
- wireless module
- inverter
- intelligent power
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The invention discloses a wireless networking method and system for internal communication of a centralized-distributed type inverting system. The method comprises the following steps of connecting an intelligent power source and an inverter by a wireless network, and performing data communication by the wireless network. The system comprises the intelligent power source and the inverter, and is characterized in that the intelligent power source comprises a first wireless module; the inverter comprises a second wireless module; the first wireless module and the second wireless module are connected by the wireless network. The method and the system have the advantages that the layout of communication cables is not needed; the difficulty in construction is low, the speed is high, the cost is low, the commissioning is simple, the easiness in interference by signals is avoided, the overhauling and maintenance are convenient, and the like.
Description
Technical field
The present invention relates to collecting and distributing type Inversion Control System field, more particularly to a kind of collecting and distributing type inversion system internal communication
Wireless networking method and system.
Background technology
With going deep into further for photovoltaic application market, industry reduces to investment and the cry of generating efficiency lifting is also more next
Higher, collecting and distributing type inversion system arises at the historic moment.Collecting and distributing type inversion system has merged centralized and group string data advantage, and power station is sent out
Electricity is obviously improved effect.As shown in figure 1, collecting and distributing type inversion system is made up of inverter and intelligent power, current inverter
Communication and intelligent power between be all by the way of wired, but photovoltaic plant field condition is complicated, the face of photovoltaic plant
Product is very big, and equipment is also very many, therefore, between intelligent power and inverter in addition to needing to lay power cable, also needs
Substantial amounts of communication cable is laid, for realizing the communication between intelligent power and inverter.Using wired mode constructional difficulties,
Installation period is long, cost of labor height, and wiring is improper easily to cause interference, debugging trouble, once cable goes wrong, later stage maintenance
Also very inconvenient.
Content of the invention
The technical problem to be solved in the present invention is that：For the technical problem that prior art is present, the present invention provides one
Kind need not lay communication cable, difficulty of construction is low, speed is fast, low cost, steady signal transmission, be not easily susceptible to interference, overhaul with
The collecting and distributing type inversion system of wireless networking easy to maintenance.
For solving above-mentioned technical problem, technical scheme proposed by the present invention is：A kind of collecting and distributing type inversion system internal communication
Wireless networking method, be connected by wireless network between intelligent power and inverter, data communication carried out by wireless network.
As a further improvement on the present invention, the wireless network include ZigBee-network, blueteeth network, Wifi network and
GPRS network.
As a further improvement on the present invention, using standard Modbus communication association between the intelligent power and inverter
View.
A kind of collecting and distributing type inversion system, including intelligent power and inverter, the intelligent power also includes the first wireless mould
Block, the inverter also includes the second wireless module, by no between first wireless module and second wireless module
Line network connection.
As a further improvement on the present invention, first wireless module is the wireless module independently of intelligent power, institute
State the wireless module that the second wireless module is independently of inverter.
As a further improvement on the present invention, first wireless module is connected with the intelligent power by RS485 bus
Connect, second wireless module is connected with the inverter by RS485 bus.
As a further improvement on the present invention, described first wireless module is ZigBee module, bluetooth module, Wifi mould
One kind in block, GPRS module, second wireless module is ZigBee module, bluetooth module, Wifi module, in GPRS module
One kind, first wireless module is identical with the type of the second wireless module.
As a further improvement on the present invention, the intelligent power is multiple.
Compared with prior art, it is an advantage of the current invention that：
1st, the present invention need not lay communication cable, eliminate the construction link of communication cable laying, solve wired mode and apply
Work difficulty, long construction period, the high problem of cost of labor.
2nd, the communication that the present invention realizes between intelligent power and inverter using wireless mode, signal is difficult to be disturbed, solution
Be likely to result in the problem of signal interference, signal stabilization is good when power cable has been determined together with a large amount of communication cables.
3rd, the present invention only needs to configure each wireless module, needs to each with respect to traditional wire communication modes
Cable is tracked, it is most likely that the situation of wiring error or wiring error occurs, is saved greatly debug time.
4th, the present invention is in repair and maintenance, it is only necessary to carry out for each wireless module, it is not necessary to consider asking for communication cable
Topic, with respect to the system of traditional wire communication, overhauls and safeguards and be very convenient.
Description of the drawings
Fig. 1 is to merge topological schematic diagram using the photovoltaic of collecting and distributing type inversion system in prior art.
Fig. 2 adopts the collecting and distributing type inversion system communication network topology schematic diagram of wireless networking for the present invention.
Specific embodiment
Below in conjunction with Figure of description and concrete preferred embodiment, the invention will be further described, but not therefore and
Limit the scope of the invention.
As shown in Fig. 2 the wireless networking method of the collecting and distributing type inversion system internal communication of the present embodiment, intelligent power with inverse
Become between device and connected by wireless network, data communication is carried out by wireless network.Wireless network includes ZigBee-network, bluetooth
Network, Wifi network and GPRS network.Standard Modbus communications protocol is adopted between intelligent power and inverter.
As shown in Fig. 2 the collecting and distributing type inversion system of the present embodiment, including intelligent power and inverter, intelligent power is also wrapped
The first wireless module is included, inverter also includes the second wireless module, by no between the first wireless module and the second wireless module
Line network connection.Intelligent power is multiple, in the present embodiment, including 16 intelligent powers.Each intelligent power is all by each
From the first wireless module be connected with the second wireless module of inverter, realize the communication group between intelligent power and inverter
Net, adopts standard Modbus communications protocol between intelligent power and inverter.
First wireless module can be integrated with the wireless module of intelligent power, it is also possible to be independently of the nothing of intelligent power
Wire module.Second wireless module can be integrated with the wireless module of intelligent power, it is also possible to be independently of the nothing of intelligent power
Wire module.In the present embodiment, the first wireless module is the wireless module independently of intelligent power, and the second wireless module is independent
Wireless module in inverter.First wireless module is connected with intelligent power by RS485 bus, and the second wireless module passes through
RS485 bus is connected with inverter.Certainly, the first wireless module can also be connected with intelligent power otherwise, and second
Wireless module can also be connected with inverter otherwise.
In the present embodiment, the first wireless module be ZigBee module, bluetooth module, Wifi module, in GPRS module
One kind, the second wireless module is ZigBee module, bluetooth module, Wifi module, the one kind in GPRS module, the first wireless module
Identical with the type of the second wireless module.
In the present embodiment, when the first wireless module and the second wireless module are ZigBee module, using mesh network
Networking mode, each first wireless module and the second wireless module are arranged to identical network ID, using identical working frequency points
2.425GHz, can effectively avoid wifi from disturbing using 2.425GHz, and each wireless module has unique address mark, with
Second wireless module of inverter is used as Centroid, and the first wireless module of intelligent power adopts the pattern of transistroute, can
Have the function of terminal and route concurrently.By the serial ports parameter of the first wireless module be configured to consistent with corresponding intelligent power it
Afterwards, the first wireless module can be connected with intelligent power by RS485 communication.The serial ports parameter of the second wireless module is configured to
After consistent with corresponding inverter, the second wireless module can be connected with inverter by RS485 communication, collecting and distributing type inversion
The wireless communication networks of internal system are formed, and are accomplished that the transparent transmission of data.
As wireless communication networks are accomplished that the transparent transmission of data, the communication between inverter and 16 intelligent powers
Mode is not affected by wireless network with not having any difference using RS485 Direct Communication.Adopt between inverter and intelligent power
With standard Modbus communications protocol, inverter is used as Modbus main website, and 16 intelligent powers are Modbus slave station, before communication
Only need to first distribute the tributary address of 16 intelligent powers corresponding first wireless module respectively, then by inverter and intelligence
The communication serial ports parameter setting of energy power supply becomes identical numerical value, can just pass through the second wireless mould between inverter and intelligent power
Block and the first wireless module are communicated.
Above-mentioned simply presently preferred embodiments of the present invention, not makees any pro forma restriction to the present invention.Although the present invention
Disclosed above with preferred embodiment, but it is not limited to the present invention.Therefore, every without departing from technical solution of the present invention
Content, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should fall
In the range of technical solution of the present invention protection.
Claims (8)
1. a kind of wireless networking method of collecting and distributing type inversion system internal communication, it is characterised in that：Intelligent power and inverter it
Between connected by wireless network, data communication is carried out by wireless network.
2. the wireless networking method of collecting and distributing type inversion system internal communication according to claim 1, it is characterised in that：Described
Wireless network includes ZigBee-network, blueteeth network, Wifi network and GPRS network.
3. the wireless networking method of collecting and distributing type inversion system internal communication according to claim 1, it is characterised in that：Described
Standard Modbus communications protocol is adopted between intelligent power and inverter.
4. a kind of collecting and distributing type inversion system, including intelligent power and inverter, it is characterised in that：The intelligent power also includes
One wireless module, the inverter also includes the second wireless module, first wireless module and second wireless module it
Between connected by wireless network.
5. collecting and distributing type inversion system according to claim 4, it is characterised in that：First wireless module be independently of intelligence
The wireless module of energy power supply, second wireless module is the wireless module independently of inverter.
6. collecting and distributing type inversion system according to claim 5, it is characterised in that：First wireless module passes through RS485
Bus is connected with the intelligent power, and second wireless module is connected with the inverter by RS485 bus.
7. the collecting and distributing type inversion system according to claim 4 or 5 or 6, it is characterised in that：First wireless module is
One kind in ZigBee module, bluetooth module, Wifi module, GPRS module, second wireless module is ZigBee module, indigo plant
One kind in tooth module, Wifi module, GPRS module, first wireless module is identical with the type of the second wireless module.
8. collecting and distributing type inversion system according to claim 7, it is characterised in that：The intelligent power is multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610945912.5A CN106444455A (en) | 2016-10-26 | 2016-10-26 | Wireless networking method and system for internal communication of centralized-distributed type inverting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610945912.5A CN106444455A (en) | 2016-10-26 | 2016-10-26 | Wireless networking method and system for internal communication of centralized-distributed type inverting system |
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| CN106444455A true CN106444455A (en) | 2017-02-22 |
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| CN201610945912.5A Pending CN106444455A (en) | 2016-10-26 | 2016-10-26 | Wireless networking method and system for internal communication of centralized-distributed type inverting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111856119A (en) * | 2020-08-24 | 2020-10-30 | 上海煜闻电子科技有限公司 | Leakage current detection device and detection method |
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| DE19907606A1 (en) * | 1999-02-23 | 2000-08-31 | Sew Eurodrive Gmbh & Co | Hand controller for reading or writing parameters for inverter for electric motor has fields with pictograms and/or text, each with at least one associated lighting device, e.g. LED or lamp |
| US6338002B1 (en) * | 2001-01-24 | 2002-01-08 | Pai Lung Machinery Mill Co., Ltd. | Internet inline control apparatus for knitting machine |
| WO2008145623A1 (en) * | 2007-05-29 | 2008-12-04 | Siemens Aktiengesellschaft | Control device and drive component for a machine tool, a production machine and/or a robot |
| CN201252404Y (en) * | 2008-08-01 | 2009-06-03 | 新奥科技发展有限公司 | Ad hoc network wireless monitoring device of a photovoltaic generating plant |
| CN102130502A (en) * | 2011-01-31 | 2011-07-20 | 广东省科学院自动化工程研制中心 | Internet of things-based intelligent power system |
| CN203722254U (en) * | 2014-03-04 | 2014-07-16 | 国家电网公司 | Novel minisize power grid |
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2016
- 2016-10-26 CN CN201610945912.5A patent/CN106444455A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19907606A1 (en) * | 1999-02-23 | 2000-08-31 | Sew Eurodrive Gmbh & Co | Hand controller for reading or writing parameters for inverter for electric motor has fields with pictograms and/or text, each with at least one associated lighting device, e.g. LED or lamp |
| US6338002B1 (en) * | 2001-01-24 | 2002-01-08 | Pai Lung Machinery Mill Co., Ltd. | Internet inline control apparatus for knitting machine |
| WO2008145623A1 (en) * | 2007-05-29 | 2008-12-04 | Siemens Aktiengesellschaft | Control device and drive component for a machine tool, a production machine and/or a robot |
| CN201252404Y (en) * | 2008-08-01 | 2009-06-03 | 新奥科技发展有限公司 | Ad hoc network wireless monitoring device of a photovoltaic generating plant |
| CN102130502A (en) * | 2011-01-31 | 2011-07-20 | 广东省科学院自动化工程研制中心 | Internet of things-based intelligent power system |
| CN203722254U (en) * | 2014-03-04 | 2014-07-16 | 国家电网公司 | Novel minisize power grid |
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| CN111856119A (en) * | 2020-08-24 | 2020-10-30 | 上海煜闻电子科技有限公司 | Leakage current detection device and detection method |
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Application publication date: 20170222 |