CN109245295A - Photovoltaic power station monitoring system based on MQTT agreement - Google Patents
Photovoltaic power station monitoring system based on MQTT agreement Download PDFInfo
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- CN109245295A CN109245295A CN201811011878.XA CN201811011878A CN109245295A CN 109245295 A CN109245295 A CN 109245295A CN 201811011878 A CN201811011878 A CN 201811011878A CN 109245295 A CN109245295 A CN 109245295A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 49
- 238000004891 communication Methods 0.000 claims abstract description 24
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- 230000011664 signaling Effects 0.000 claims description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 230000007474 system interaction Effects 0.000 abstract description 2
- 238000012806 monitoring device Methods 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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- 238000010295 mobile communication Methods 0.000 description 1
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- 239000013307 optical fiber Substances 0.000 description 1
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- 238000010248 power generation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H02J13/0062—
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- H02J13/0075—
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- 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
- Y04S40/124—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 wired telecommunication networks or data transmission busses
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- 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)
- Human Computer Interaction (AREA)
- Power Engineering (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a kind of photovoltaic plant monitoring methods based on MQTT agreement, including photovoltaic plant intelligent gateway, photovoltaic plant monitoring cloud platform, mobile phone A pp and computer Web terminal.On the one hand photovoltaic plant intelligent gateway is communicated with photovoltaic plant equipment, acquire the operating status of photovoltaic plant device data, monitoring device in real time；On the other hand network communication is carried out by internet and Cloud Server, device data, status information and fault message is distributed to Cloud Server according to customized MQTT communication protocol.Photovoltaic power station monitoring system cloud platform is made of MQTT message proxy server, background management system, MySQL database server, Redis server.Mobile phone A pp and computer Web terminal are user and system interaction tool.Photovoltaic plant intelligent gateway and the end computer Web or mobile phone A pp directly use MQTT agreement to connect with Message Agent as client, complete message subscribing and issuing function.
Description
Technical field
The present invention relates to technical field of power systems, in particular to a kind of photovoltaic plant based on MQTT agreement monitors system
System.
Background technique
Under the vigorously advocating of country, photovoltaic plant, especially photovoltaic power station have obtained tremendous development.However by
In the reason of the technology and cost, photovoltaic plant monitoring method but falls behind relatively, this gives fault detection, the operation management of photovoltaic plant
Very big puzzlement is caused, backward in management, inefficiency is embodied as.
System monitoring is necessary for photovoltaic plant, it can be clearly by the operating condition of station equipment
It is clearly indicated on monitoring backstage with some operating parameters.In new energy field, centralized photovoltaic power generation, wind-power electricity generation pair
In the monitoring of on-site be also very to value.Since equipment is dispersed, consumption manpower is compared for operation management.Centralization
Photovoltaic plant, since scale is big, investment is big, higher to the budget of monitoring system, is generally equipped with based on the complete of optical fiber ring network
It stands centralized monitoring system.And the photovoltaic power station of photovoltaic power station, especially small-scale, almost without monitoring system
System, maintenance O&M are manually patrolled on the spot entirely, this part photovoltaic plant, which is nearly to leave unused, over time falls into disuse state, give resource
Cause great waste.
There are many scientific research institutions and enterprise to be concerned about this field successively in recent years, attempt to use various technological means,
The part photovoltaic plant is transformed, but effect is not obvious, reason has very much, and communications cost height is one of them.Photovoltaic plant is remote
The communication mode of range monitoring selection is mainly broadband cabled or 3G/4G is wireless, and broadband cabled charge is higher, generally be can be only applied to
The preferable fairly large power station of condition, 3G/4G wireless communication is easy for installation, can apply remoter distributed power station, but
Due to the communication protocol HTTP originally used, complex, realization difficulty is big, and requires the equipment power dissipation of carrying high, and power is big,
Since http protocol packet traffic is big, but also communication cost is high.These greatly limit the hair of photovoltaic power station monitoring system
Exhibition.
Summary of the invention
The present invention uses newest big data, cloud computing, present mobile communication, technology of Internet of things, realizes that one kind is based on
The photovoltaic power station monitoring system of MQTT agreement, it is horizontal to improve photovoltaic plant operation management, improve photovoltaic plant effective utilization, institute
The technical solution adopted is as follows:
A kind of photovoltaic power station monitoring system based on MQTT agreement, including the monitoring of photovoltaic plant intelligent gateway, photovoltaic plant
System cloud platform and user's intelligent terminal；
On the one hand photovoltaic plant intelligent gateway is communicated with photovoltaic plant equipment, acquire the operation number of photovoltaic plant equipment in real time
According to, status information and fault message；On the other hand network communication is carried out by internet and photovoltaic power station monitoring system cloud platform,
The operation data, status information and fault message of photovoltaic plant equipment are distributed to photovoltaic plant monitoring according to MQTT communication protocol
System cloud platform；
Photovoltaic power station monitoring system cloud platform include MQTT message proxy server and respectively with MQTT Message Agent service
Background management system, MySQL database server and the Redis server of device connection；
Photovoltaic plant intelligent gateway and user's intelligent terminal use MQTT agreement and MQTT Message Agent to take as client
Business device communication, completes message subscribing and issuing function.
The present invention is based on the photovoltaic power station monitoring system of MQTT agreement, have and photovoltaic power station monitoring system cloud platform MQTT
Protocol communication function completes the subscription of power station equipment data and state, also according to the MQTT message mode that the present invention defines
It can be by issuing operational order to photovoltaic plant intelligent gateway by cloud platform, to realize the control of power station equipment.User is not
Only the message that MQTT client subscription server sends over can be logged in by them, check the current operation shape of photovoltaic plant
State and fault message, by the way that historical failure information is analyzed and can be assessed the operating status of photovoltaic plant, when
When breaking down, operation maintenance personnel can on-call maintenance, avoid the generation of accident.User can also be issued by message server and be ordered
It enables, to realize system control.
Detailed description of the invention
Fig. 1 is that the present invention is based on the overall structure figures of the photovoltaic power station monitoring system of MQTT agreement；
Fig. 2 is that the present invention is based on the principle frames of photovoltaic plant intelligent gateway in the photovoltaic power station monitoring system of MQTT agreement
Figure；
Fig. 3 is that the function of monitoring cloud platform the present invention is based on photovoltaic plant in the photovoltaic power station monitoring system of MQTT agreement is shown
It is intended to；
Fig. 4 is that the present invention is based on the MQTT message mode figures of the photovoltaic power station monitoring system of MQTT agreement.
Specific embodiment
The contents of the present invention are described in further details with reference to the accompanying drawings and detailed description.
The present invention is based on the photovoltaic power station monitoring systems of MQTT agreement, comprising:
Users' intelligence such as photovoltaic plant intelligent gateway, photovoltaic plant monitoring cloud platform, mobile phone A pp and computer Web terminal are eventually
End.
On the one hand photovoltaic plant intelligent gateway is communicated with photovoltaic plant equipment, acquire photovoltaic plant device data, prison in real time
Control the operating status of equipment；On the other hand network communication is carried out by internet and Cloud Server, it is logical according to customized MQTT
Believe that device data, status information and fault message are distributed to Cloud Server by agreement, by cloud server to Data Analysis Services
And it stores.Photovoltaic plant intelligent gateway is also required to subscribe to the operational order of Cloud Server, to realize the control of power station equipment.Foundation
Different power station types and scale, the present invention devise the photovoltaic plant intelligent gateway of multiple functions.
MQTT is a kind of publish/subscribe communication protocol of lightweight of IBM exploitation, has the characteristics such as low energy consumption, low memory,
This makes MQTT have good application prospect in internet of things field.This protocol technology is applied to photovoltaic monitoring field, it can be very
It solves the problems, such as well of the existing technology.
As shown in Fig. 2, for the functional block diagram of one of photovoltaic plant intelligent gateway.The intelligent gateway uses 32 ARM
Processor TM32F103RCT6 is main control core.Uplink communication includes the 2G/3G/4G communication and 1 of the replaceable communication module in 1 tunnel
Road ethernet communication can select suitable communication mode according to the region locating for photovoltaic plant.Downlink communication includes 1~4 tunnel
RS485 communication, 1 road Zigbee wireless communication be it is selectable, to be adapted to different photovoltaic apparatus communicating requirements.With 4 tunnels
DI interface and 4 road DO interfaces, there are also display, key module and real time clock circuits.
Photovoltaic power station monitoring system cloud platform includes platform hardware and platform software.Platform hardware can rent public cloud
(such as Ali's cloud, Tencent's cloud, new billow cloud), can also be with self-built private clound.Photovoltaic power station monitoring system cloud platform is by MQTT message generation
Server, background management system, MySQL database server, Redis server is managed to constitute.MQTT Message Agent service uses
Erlang language development supports MQTT3.1.1 agreement comprehensively, supports cluster and extensive connection.Background management system is photovoltaic
The core system of Power Station Monitored Control System business operation, it includes two parts, first is that MQTT back-stage management, second is that photovoltaic plant is supervised
Control system background management.MQTT back-stage management functional module includes user's registration management, endpoint to register management, authorization terminal pipe
Reason, terminal control management, terminal subject management, query statistic.Photovoltaic power station monitoring system back-stage management includes database, operation
The common softwares such as system, further include photovoltaic power station monitoring system software, and major function is as shown in Figure 3.System setting includes permission
The functions such as management, user management, regional setting, company management, the configuration of tree node default menu and data dictionary；Equipment management packet
Include the functions such as power management, power station equipment, remote-measuring equipment, remote signalling equipment；Real time data includes telemetry, remote signalling data and complete
The functions such as state of standing；Historical data includes the functions such as 1 minute data, 5-minute data, hour data, day data and moon data；It accuses
Alert event includes alarm event inquiry and management function.
For needing often to read or the data related to user of write-in, with Redis database purchase, for infrequently
The data relevant to server state for reading or being written, are stored with MySQL database.MySQL plays the part of storage industry in the system
The role for information of being engaged in, stores collected terminal daily record data, business processing data etc..Here Redis is one and is based on
The open source no-sql database of key-value, it in memory, comes data buffer storage relative to traditional relevant database
It says, improves a lot in performance, especially suitable for requiring access speed and concurrency relatively high situation.Redis simultaneously
Support the persistence of data, and a variety of different data structures such as support list, set, hash.Herein using Redis come
The relevant informations such as the user name password of each user and quantity statistics related with topic are stored, to handle the use under large concurrent
Family access request.
Mobile phone A pp and computer Web terminal are user and system interaction tool, and user not only can log in MQTT by them
The message that client subscription server sends over checks the current operating conditions and fault message of photovoltaic plant, by going through
History fault message, which carries out analysis, to assess the operating status of photovoltaic plant, when a failure occurs it, operation maintenance personnel energy
Enough on-call maintenances, avoid the generation of accident.User can also be issued by message server and be ordered, to realize system control.
MQTT message mode is as shown in Figure 4 in the present embodiment.Photovoltaic plant intelligent gateway and the end computer Web or mobile phone
App directly uses MQTT agreement to connect with Message Agent as client.It is filtered by Message Agent, subscriber will receive
All message on its theme subscribed to, and all subscribers for subscribing to same subject will receive same message.Publication
Person is responsible for defining News Category ordered by subscriber.Message Agent executes storage forwarding capability and sends message to from publisher
Subscriber.
A kind of typical embodiment of the invention above described embodiment only expresses, description are more specific and detailed
Carefully, but it cannot be understood as limitations on the scope of the patent of the present invention.It should be pointed out that for the common skill of this field
For art personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to this hair
Bright protection scope.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (5)
1. a kind of photovoltaic power station monitoring system based on MQTT agreement, which is characterized in that
Including photovoltaic plant intelligent gateway, photovoltaic power station monitoring system cloud platform and user's intelligent terminal；
On the one hand photovoltaic plant intelligent gateway is communicated with photovoltaic plant equipment, the real-time operation data for acquiring photovoltaic plant equipment,
Status information and fault message；On the other hand network communication is carried out by internet and photovoltaic power station monitoring system cloud platform, pressed
The operation data, status information and fault message of photovoltaic plant equipment are distributed to photovoltaic plant monitoring system according to MQTT communication protocol
System cloud platform；
Photovoltaic power station monitoring system cloud platform includes MQTT message proxy server and connects respectively with MQTT message proxy server
Background management system, MySQL database server and the Redis server connect；
Photovoltaic plant intelligent gateway and user's intelligent terminal use MQTT agreement and MQTT message proxy server as client
Message subscribing and issuing function are completed in communication.
2. the photovoltaic power station monitoring system according to claim 1 based on MQTT agreement, which is characterized in that
Photovoltaic plant intelligent gateway includes arm processor and the display module connecting respectively with arm processor, key module, number
According to memory, real time clock circuit, 4 road DI input interfaces, 4 road DO output interfaces, ethernet module and 2G/3G/4G module, with
And 4 road RS485 interface or 1 road Zigbee interface；
Ethernet module and 2G/3G/4G module with photovoltaic power station monitoring system cloud platform for communicating, 4 road RS485 interfaces or 1
Road Zigbee interface with photovoltaic plant equipment for communicating.
3. the photovoltaic power station monitoring system according to claim 2 based on MQTT agreement, which is characterized in that
Photovoltaic power station monitoring system cloud platform is also used to carry out that system administration, equipment management, real time data monitoring, historical data deposits
Storage and alarm event inquiry and management；System administration includes rights management, user management, regional setting, company management, tree node
Default menu configuration and data dictionary；Equipment management includes power management, power station equipment, remote-measuring equipment and remote signalling equipment；In real time
Data monitoring includes telemetry, remote signalling data and whole station status monitoring；History data store includes 1 minute data, 5 the number of minutes
According to, the storage of hour data, day data and moon data.
4. the photovoltaic power station monitoring system according to claim 3 based on MQTT agreement, which is characterized in that
User's intelligent terminal includes mobile phone A pp terminal or computer Web terminal.
5. the photovoltaic power station monitoring system according to claim 4 based on MQTT agreement, which is characterized in that
Inside photovoltaic power station monitoring system cloud platform, for the data related to user for needing often to read or be written, packet
Include each user user name password and quantity statistics data related with topic, with Redis database purchase, for infrequently
The data relevant to server state for reading or being written, including terminal daily record data and business processing data, with MySQL data
Library storage.
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