CN107393266A - A kind of photovoltaic plant wireless remote data Transmission system - Google Patents
A kind of photovoltaic plant wireless remote data Transmission system Download PDFInfo
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- CN107393266A CN107393266A CN201710441711.6A CN201710441711A CN107393266A CN 107393266 A CN107393266 A CN 107393266A CN 201710441711 A CN201710441711 A CN 201710441711A CN 107393266 A CN107393266 A CN 107393266A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 13
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 238000005516 engineering process Methods 0.000 claims abstract description 9
- 230000006854 communication Effects 0.000 claims description 31
- 238000004891 communication Methods 0.000 claims description 27
- 238000005265 energy consumption Methods 0.000 abstract 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
- G06F13/4286—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus using a handshaking protocol, e.g. RS232C link
-
- H02J13/0075—
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/44—Star or tree networks
-
- 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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention relates to a kind of photovoltaic plant wireless remote data Transmission system, the system uses tree form distribution framework, including wireless terminal device, concentrator and master station, the wireless terminal device is deployed at photovoltaic array, correspond and set with photovoltaic array, one master station connects at least one concentrator, one concentrator connects at least one wireless terminal device, data are exchanged using LoRa wireless technologys between the wireless terminal device and concentrator, GPRS exchange of skills data are used between the concentrator and monitoring main website.Compared with prior art, the present invention has the advantages that low cost, low-power consumption, good in anti-interference performance, avoids photovoltaic plant traditional monitoring and invests the shortcomings of big, circuit energy consumption is more, trouble shoot difficulty using wired mode, improves the utilization rate of photovoltaic energy.
Description
Technical field
The present invention relates to photovoltaic plant status monitoring field, is transmitted more particularly, to a kind of photovoltaic plant wireless remote data
System.
Background technology
With the continuous consumption of global fossil energy, the utilization of novel renewable energy is increasingly becoming Jiao of various countries' concern
Point.Solar energy because its one kind it is pollution-free, inexhaustible the characteristics of, be substitute fossil energy first choice.In order to maximized
Utilize solar energy, the conversion efficiency except lifting photovoltaic material, it is also necessary to which the operation to photovoltaic plant is reasonably adjusted, example
Faulty equipment is such as rejected in time.Therefore this is just required to monitor photovoltaic plant in real time.But due to photovoltaic plant
It is middle to use photovoltaic array as unit, it is difficult to all arrays to be detected, if according to traditional wire mode at each array
Laying detection circuit, monitoring device is set, then circuit except increasing cost, will be also consumed caused by photovoltaic array in itself
Electric energy.Further, since the electromagnetic environment of photovoltaic plant is more complicated, using in general communication it is difficult to ensure that data communicate
Success rate.Therefore, it is necessary to a kind of reliable distributed system is studied to realize photovoltaic plant wireless remote monitoring.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of inexpensive, low work(
Consumption, the photovoltaic plant wireless remote data Transmission system of good in anti-interference performance.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of photovoltaic plant wireless remote data Transmission system, the system use tree form distribution framework, including wireless terminal
Equipment, concentrator and master station, the wireless terminal device are deployed at photovoltaic array, are corresponded and are set with photovoltaic array
To put, a master station connects at least one concentrator, and a concentrator connects at least one wireless terminal device,
Data are exchanged using LoRa wireless technologys between the wireless terminal device and concentrator, between the concentrator and monitoring main website
Using GPRS exchange of skills data.
The wireless terminal device includes the first main control module and be connected respectively with first main control module first
LoRa wireless communication modules, the first power management module, two-way A/D module and the first UART modules, the two-way A/D module are used for
Sensor is connected, the first UART modules are used to connect direct measuring and controlling equipment.
First power management module is the power supply that supplies power with double circuit for possessing rechargeable battery and external power source.
The concentrator include the second main control module and respectively with the 2nd LoRa that second main control module is connected without
Line communication module, GPRS wireless communication modules, spread F LASH modules, second source management module, multichannel A/D module, second
UART modules and RTC clock module, the 2nd LoRa wireless communication modules are connected with wireless terminal device, and the GPRS is wireless
Communication module is connected with master station.
The 2nd UART modules include RS485 interfaces and RS232 interface, wherein, the RS485 interfaces are used to carry out parameter
Configuration, the RS232 interface is used to be debugged and expanded application.
Master slave communication pattern is used between the concentrator and wireless terminal device, communication process is only sent out by concentrator
Rise.
When the concentrator communicates with wireless terminal device, different concentrators use different channels.
Compared with prior art, the present invention has advantages below：
1st, the present invention configures a wireless terminal device at photovoltaic array, and the wireless terminal device passes through distributed wireless side
Formula is sequentially connected concentrator and monitoring main website, effectively solves the problems, such as that the standby a large amount of circuits of existing monitoring system laying, cost are high, saves
The laying of active circuitry during traditional on-line monitoring has been gone, construction cost has been reduced, also reduces the work of manual inspection in addition
Make intensity, improve photovoltaic energy utilization rate.
2nd, in the present invention, data LoRa technologies tool is exchanged using LoRa wireless technologys between wireless terminal device and concentrator
There is the features such as communication distance is remote, anti-interference, stability is good, be adapted to the complex electromagnetic environment of photovoltaic plant.
3rd, wireless terminal device of the invention devises UART and A D interface, flexibly can be combined with existing photovoltaic system
Get up；For the photovoltaic array of existing monitor, directly wireless terminal device and monitor are combined using UART, pass through agreement
Realize data exchange；For the photovoltaic array without monitor, A D interface can be utilized to realize to light conditions, the prison of voltage level
Survey.
4th, the first power management module of wireless terminal device is to possess supplying power with double circuit for rechargeable battery and external power source
Power supply, easy to use, reliability is high.
5th, the 2nd UART modules of concentrator of the present invention include RS485 interfaces and RS232 interface, can conveniently realize that system is joined
Number configuration, adjustment and extension.
6th, master slave communication pattern is used between concentrator of the present invention and terminal, i.e. communication process can only be sent out by concentrator
Rise, cause to conflict so as to avoid multiple terminal devices while upload data, cause mistake or loss.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of wireless terminal device of the present invention；
Fig. 3 is the structural representation of concentrator of the present invention.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
As shown in figure 1, the present embodiment provides a kind of photovoltaic plant wireless remote data Transmission system, the system is using tree-like
Distributed architecture, including wireless terminal device 2, concentrator 3 and master station 4, wireless terminal device 2 are deployed at photovoltaic array 1,
Correspond and set with photovoltaic array 1, a master station 4 connects at least one concentrator 3, and a concentrator 3 connects at least
One wireless terminal device 2, data, concentrator 3 are exchanged using LoRa wireless technologys between wireless terminal device 2 and concentrator 3
GPRS exchange of skills data are used between monitoring main website 4.When concentrator 3 communicates with wireless terminal device 2, except according to difference
Outside the ID of terminal device is grouped, different concentrator packets use different channels.Concentrator 3 and wireless terminal device 2
Between use master slave communication pattern, i.e. communication process can only be initiated by concentrator, so as to avoid multiple terminal devices simultaneously on
Pass data to cause to conflict, cause mistake or loss.
As shown in Fig. 2 wireless terminal device 2 includes the first main control module 201 and connected respectively with the first main control module 201
The first LoRa wireless communication modules 202 that connect, the first power management module 203, the UART modules of two-way A/D module 204 and the first
205.In the present embodiment, the first main control module 201 uses STM8L151 single-chip microcomputers, and the first LoRa wireless communication modules 202 use
SX1278 chips, it is connected between STM8L151 and SX1278 using simulation SPI interface；First power management module 203 is tool
The power supply that supplies power with double circuit of standby rechargeable battery and external power source, practical joke provide stable 3.3V voltages using LM2576 chips；It is double
In road A/D module 204, one connect optical sensor, one it is reserved, reserved AD can be with external voltage sensor, by measuring photovoltaic
The output voltage of array, it is uploaded to main website and is operated condition adjudgement；First UART modules 205 use Transistor-Transistor Logic level pattern, it is impossible to
It is joined directly together with RS232 or RS485 serial signal lines, the first UART modules 205 can be used to connect the direct survey of photovoltaic array
Equipment is controlled, module acquiescence provides direct forwarding capability, i.e., the data being connected to serial ports are entirely encapsulated into wireless terminal and concentrator
Between communication protocol in, while the data received are directly forwarded to the direct measuring and controlling equipment of photovoltaic array.First master control mould
Block 201 can also be connected with LED 206, I/O interfaces 207 and download interface 208, and the first LoRa wireless communication modules 202 are connected with
Antenna 209.
As shown in figure 3, concentrator 3 includes the second main control module 301 and be connected respectively with the second main control module 301 the
Two LoRa wireless communication modules 302, GPRS wireless communication modules 303, spread F LASH modules 304, second source management module
305th, multichannel A/D module 306, the 2nd UART modules and RTC clock module 307, the 2nd LoRa wireless communication modules 302 with it is wireless
Terminal device 2 is connected, and GPRS wireless communication modules 303 are connected with master station 4.In the present embodiment, the second main control module 301 is adopted
With STM32 processors；LoRa wireless communication modules 302 use SX1278 chips, and hardware SPI phases are used between STM32 and LoRa
Even；GPRS wireless communication modules 303 use SIM900A modules；2nd UART modules include RS485 interfaces 308 and RS232 interface
309, wherein, the RS485 interfaces 308 are used to carry out parameter configuration, and the RS232 interface 309 is used to be debugged and extended to answer
With, such as RS232 can ensure to be connected with system by serial ports ether network switch in GPRS failures；RTC clock module 307
Using DS1302 clock chips, during for system pair, Hardware I IC interface communications are used between DS1302 and STM32；Second source
Management module 305 uses outside 12V power voltage supplies.Second main control module 301 is also associated with, I/O interfaces 310 and download interface
311, the 2nd LoRa wireless communication modules 302 are connected with antenna 312.
Preferred embodiment of the invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Creative work can is needed to make many modifications and variations according to the design of the present invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (7)
- A kind of 1. photovoltaic plant wireless remote data Transmission system, it is characterised in that the system uses tree form distribution framework, including Wireless terminal device, concentrator and master station, the wireless terminal device are deployed at photovoltaic array, with photovoltaic array one by one It is correspondingly arranged, a master station connects at least one concentrator, and a concentrator connection is at least one wireless whole End equipment, data, the concentrator and monitoring are exchanged using LoRa wireless technologys between the wireless terminal device and concentrator GPRS exchange of skills data are used between main website.
- 2. photovoltaic plant wireless remote data Transmission system according to claim 1, it is characterised in that the wireless terminal Equipment includes the first main control module and the first LoRa wireless communication modules being connected respectively with first main control module, first Power management module, two-way A/D module and the first UART modules, the two-way A/D module are used to connect sensor, and described first UART modules are used to connect direct measuring and controlling equipment.
- 3. photovoltaic plant wireless remote data Transmission system according to claim 2, it is characterised in that first power supply Management module is the power supply that supplies power with double circuit for possessing rechargeable battery and external power source.
- 4. photovoltaic plant wireless remote data Transmission system according to claim 1, it is characterised in that the concentrator bag Include the second main control module and the 2nd LoRa wireless communication modules, the GPRS channel radios that are connected respectively with second main control module Believe module, spread F LASH modules, second source management module, multichannel A/D module, the 2nd UART modules and RTC clock module, institute State the 2nd LoRa wireless communication modules to be connected with wireless terminal device, the GPRS wireless communication modules are connected with master station.
- 5. photovoltaic plant wireless remote data Transmission system according to claim 4, it is characterised in that the 2nd UART Module includes RS485 interfaces and RS232 interface, wherein, the RS485 interfaces are used to carry out parameter configuration, and the RS232 interface is used for Debugged and expanded application.
- 6. photovoltaic plant wireless remote data Transmission system according to claim 1, it is characterised in that the concentrator with Master slave communication pattern is used between wireless terminal device, communication process is only initiated by concentrator.
- 7. photovoltaic plant wireless remote data Transmission system according to claim 1, it is characterised in that the concentrator with When wireless terminal device communicates, different concentrators use different channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710441711.6A CN107393266A (en) | 2017-06-13 | 2017-06-13 | A kind of photovoltaic plant wireless remote data Transmission system |
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| CN201710441711.6A CN107393266A (en) | 2017-06-13 | 2017-06-13 | A kind of photovoltaic plant wireless remote data Transmission system |
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| CN201710441711.6A Pending CN107393266A (en) | 2017-06-13 | 2017-06-13 | A kind of photovoltaic plant wireless remote data Transmission system |
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Cited By (4)
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| CN108173344A (en) * | 2017-12-29 | 2018-06-15 | 浙江亿安电力电子科技有限公司 | LORA wireless communication techniques are in the application process of low-voltage distribution transformer platform district |
| CN109327361A (en) * | 2018-08-31 | 2019-02-12 | 深圳市亿兆互联技术有限公司 | A kind of method of Lora terminal networking |
| CN110098846A (en) * | 2018-01-26 | 2019-08-06 | 广东中科陆普物联网络科技有限公司 | Wireless transceiver |
| CN110505641A (en) * | 2019-08-28 | 2019-11-26 | 西南大学 | The method and its coordinator for improving ZigBee master-slave communication polling efficiency are communicated using full duplex UART |
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