CN206961303U - 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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- CN206961303U CN206961303U CN201720681490.5U CN201720681490U CN206961303U CN 206961303 U CN206961303 U CN 206961303U CN 201720681490 U CN201720681490 U CN 201720681490U CN 206961303 U CN206961303 U CN 206961303U
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Abstract
It the utility model is related 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 utility model 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
Photovoltaic plant status monitoring field is the utility model is related to, more particularly, to a kind of photovoltaic plant wireless remote data
Transmission 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.
Utility model content
The purpose of this utility model is exactly a kind of inexpensive, low in order to be provided the defects of overcoming above-mentioned prior art to exist
Power consumption, the photovoltaic plant wireless remote data Transmission system of good in anti-interference performance.
The purpose of this utility model 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
Put, a master station connects at least one concentrator, and a concentrator connects at least one wireless terminal device；
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；
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.
First power management module is the power supply that supplies power with double circuit for possessing rechargeable battery and external power source.
The first LoRa wireless communication modules use SX1278 chips, between the SX1278 chips and the first main control module
It is connected using simulation SPI interface.
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.
The LoRa wireless communication modules use SX1278 chips, and the SX1278 chips and the second main control module use SPI
Interface is connected.
Compared with prior art, the utility model has advantages below：
1st, the utility model configures a wireless terminal device at photovoltaic array, and the wireless terminal device passes through distributed nothing
Line mode is sequentially connected concentrator and monitoring main website, effectively solves the standby a large amount of circuits of existing monitoring system laying, cost is high asks
Topic, the laying of active circuitry during tradition on-line monitoring is eliminated, construction cost is reduced, also reduces manual inspection in addition
Working strength, improve photovoltaic energy utilization rate.
2nd, in the utility model, data LoRa skills are exchanged using LoRa wireless technologys between wireless terminal device and concentrator
Art has the characteristics that communication distance is remote, anti-interference, stability is good, is adapted to the complex electromagnetic environment of photovoltaic plant.
3rd, wireless terminal device of the present utility model devises UART and A D interface, can flexibly with existing photovoltaic system
Combine；For the photovoltaic array of existing monitor, directly wireless terminal device and monitor are combined using UART, passed through
Protocol realization data exchange；For the photovoltaic array without monitor, A D interface can be utilized to realize to light conditions, voltage level
Monitoring.
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 the utility model concentrator include RS485 interfaces and RS232 interface, can conveniently realize system
System parameter configuration, adjustment and extension.
6th, master slave communication pattern is used between the utility model concentrator and terminal, i.e. communication process can only be by concentrator
Initiate, 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 structural representation of the present utility model；
Fig. 2 is the structural representation of the utility model wireless terminal device；
Fig. 3 is the structural representation of the utility model concentrator.
Embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with the utility model
Implemented premised on technical scheme, give detailed embodiment and specific operating process, but guarantor of the present utility model
Shield scope 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.
The 2nd LoRa that concentrator 3 includes the second main control module 301 and is connected respectively with the second main control module 301 is wireless
Communication module 302, GPRS wireless communication modules 303, spread F LASH modules 304, second source management module 305, multi-channel A/D mould
Block 306, the 2nd UART modules and RTC clock module 307, the 2nd LoRa wireless communication modules 302 connect with wireless terminal device 2
Connect, GPRS wireless communication modules 303 are connected with master station 4.In the present embodiment, the second main control module 301 uses STM32 processing
Device；LoRa wireless communication modules 302 use SX1278 chips, are connected between STM32 and LoRa using hardware SPI；GPRS is wireless
Communication module 303 uses SIM900A modules；2nd UART modules include RS485 interfaces 308 and RS232 interface 309, wherein, should
RS485 interfaces 308 are used to carry out parameter configuration, and the RS232 interface 309 is used to be debugged and expanded application, such as
RS232 can ensure to be connected with system by serial ports ether network switch during GPRS failures；RTC clock module 307 uses
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, and
Two LoRa wireless communication modules 302 are connected with antenna 312.
Preferred embodiment of the present utility model described in detail above.It should be appreciated that the ordinary skill people of this area
Member makes many modifications and variations without creative work can according to design of the present utility model.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality on the basis of existing technology according to design of the present utility model in domain
Available technical scheme is tested, all should be in the protection domain being defined in the patent claims.
Claims (5)
- 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；The wireless terminal device includes the first main control module and the first LoRa being connected respectively with first main control module Wireless communication module, the 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, the first UART modules are used to connect direct measuring and controlling equipment；The concentrator includes the second main control module and the 2nd LoRa channel radios being connected respectively with second main control module Believe module, GPRS wireless communication modules, spread F LASH modules, second source management module, multichannel A/D module, the 2nd UART moulds Block and RTC clock module, the 2nd LoRa wireless communication modules are connected with wireless terminal device, the GPRS radio communication molds Block is connected with master station.
- 2. photovoltaic plant wireless remote data Transmission system according to claim 1, 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.
- 3. photovoltaic plant wireless remote data Transmission system according to claim 1, it is characterised in that the first LoRa Wireless communication module uses SX1278 chips, is connected between the SX1278 chips and the first main control module using simulation SPI interface Connect.
- 4. photovoltaic plant wireless remote data Transmission system according to claim 1, 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.
- 5. photovoltaic plant wireless remote data Transmission system according to claim 1, it is characterised in that the LoRa is wireless Communication module uses SX1278 chips, and the SX1278 chips and the second main control module are connected using SPI interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720681490.5U CN206961303U (en) | 2017-06-13 | 2017-06-13 | A kind of photovoltaic plant wireless remote data Transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720681490.5U CN206961303U (en) | 2017-06-13 | 2017-06-13 | A kind of photovoltaic plant wireless remote data Transmission system |
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| CN206961303U true CN206961303U (en) | 2018-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720681490.5U Expired - Fee Related CN206961303U (en) | 2017-06-13 | 2017-06-13 | A kind of photovoltaic plant wireless remote data Transmission system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164350A (en) * | 2018-08-31 | 2019-01-08 | 深圳市亿兆互联技术有限公司 | A kind of cable monitoring system based on the anti-landing of LoRa anti-theft |
| CN109450376A (en) * | 2018-11-20 | 2019-03-08 | 中国铁路总公司 | Photovoltaic generating system state on_line monitoring and fault location system and method |
-
2017
- 2017-06-13 CN CN201720681490.5U patent/CN206961303U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164350A (en) * | 2018-08-31 | 2019-01-08 | 深圳市亿兆互联技术有限公司 | A kind of cable monitoring system based on the anti-landing of LoRa anti-theft |
| CN109450376A (en) * | 2018-11-20 | 2019-03-08 | 中国铁路总公司 | Photovoltaic generating system state on_line monitoring and fault location system and method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180202 |