CN105761468A - Monitoring system of photovoltaic power station - Google Patents

Abstract

The invention relates to a photovoltaic power station monitoring system, including a photovoltaic module, a data collector, an aggregator and a background server. The photovoltaic module, the data collector, the The data information of the photovoltaic module, and send the data information of the photovoltaic module to the aggregator; the aggregator is used to receive the data information of the photovoltaic module, and transmit the data information of the photovoltaic module to the background server through the network; The aggregator receives the remote control shutdown signal from the background server through the network; the background server is used to store the data information of the photovoltaic modules. The photovoltaic power station monitoring system of the present invention can monitor the real-time information of the photovoltaic power station due to the above-mentioned technical solution.

Description

A photovoltaic power station monitoring system

technical field

The invention relates to a photovoltaic power station monitoring system.

Background technique

my country is one of the countries rich in solar energy resources. The annual sunshine hours of more than 2/3 of the country's total area are more than 2000 hours, and the solar cells can be packaged and protected after being connected in series to form a large-area solar cell module, that is, a photovoltaic module. The power controller and other components form a photovoltaic power generation device. The photovoltaic power generation device includes several photovoltaic modules. Photovoltaic power generation is a high-tech that directly uses solar energy to generate electricity. It has many advantages, such as: safe and reliable, no noise, no pollution, Energy is available everywhere, without geographical restrictions, no need to consume fuel, no mechanical rotating parts, low failure rate, easy maintenance, unattended, short station construction period, random scale, no need to erect additional transmission lines, and can be easily connected with buildings Combination etc. These advantages are incomparable to conventional power generation and other power generation methods.

However, there is currently a lack of an effective photovoltaic power plant monitoring system to monitor each photovoltaic module of the photovoltaic power station, and operators cannot understand the real-time information of each photovoltaic module.

Contents of the invention

The purpose of the present invention is to provide a photovoltaic power station monitoring system capable of monitoring the real-time information of the photovoltaic power station in order to solve the above-mentioned problems in the prior art.

The technical solution to achieve the above purpose is to provide a photovoltaic power plant monitoring system, including photovoltaic modules, data collectors, aggregators and background servers, the photovoltaic modules, data collectors, aggregators and background servers are connected in sequence, wherein:

The data collector is used to collect the data information of the photovoltaic module, and send the data information of the photovoltaic module to the aggregator;

The aggregator is used to receive the data information of the photovoltaic module, and transmit the data information of the photovoltaic module to the background server through the network;

The aggregator receives the remote control shutdown signal from the background server through the network;

The background server is used for storing the data information of the photovoltaic module.

A photovoltaic power station monitoring system as described above, wherein the aggregator includes a processor, a power supply, a crystal oscillator, a first RS485 interface, a second RS485 interface, a 3G module, a WIFI module, a display screen, a serial port, a network port, a U disk and TF card, among which:

The power supply, crystal oscillator, first RS485 interface, second RS485 interface, 3G module, WIFI module, display screen, serial port, network port, U disk and TF card are connected to the processor respectively;

The power supply is used to supply power to the processor;

The crystal oscillator is used to generate a clock signal and provide a reference signal for the processor;

The first RS485 interface and the second RS485 interface are respectively connected to the data collector;

The 3G module communicates with the background server through the 3G network;

The WIFI module communicates with the background server through a wireless network;

The processor collects the data information of the photovoltaic module from the data collector through the first RS485 interface and the second RS485 interface, and transmits the data information of the photovoltaic module to the background server through the 3G module or WIFI module for further processing. storage;

The display screen is used to display the data information of the photovoltaic module;

The background server sends a remote control shutdown signal to the processor, and the processor receives the remote control shutdown signal from the background server through the 3G module or the WIFI module.

In the above photovoltaic power station monitoring system, the background server includes a data center, an aggregator communication server, a cache server, a data interface server, a mobile phone, and a web page, wherein:

The aggregator communication server, cache server and data interface server are respectively connected to the data center;

The aggregator communication server, cache server and data interface server are sequentially connected;

The aggregator communication server communicates with the aggregator through a wireless network or a 3G network;

The mobile phone terminal and the webpage terminal are respectively connected to the data interface server;

The data information of the photovoltaic modules collected by the aggregator is transmitted to the data center through the aggregator communication server for storage;

The mobile terminal accesses the data information of the photovoltaic modules stored in the data center through the data interface server;

The web page accesses the data information of the photovoltaic modules stored in the data center through the data interface server.

The above-mentioned photovoltaic power station monitoring system, wherein, the web page terminal is equipped with a web monitoring system, and the mobile phone terminal is equipped with a mobile terminal monitoring system.

In the above photovoltaic power plant monitoring system, the data information of the photovoltaic modules includes current data and voltage data of the photovoltaic modules.

The photovoltaic power station monitoring system of the present invention can monitor the real-time information of the photovoltaic power station, and the aggregator can read the current data and voltage data of each photovoltaic module, and transmit the current data and voltage data to the background server for storage, and can accept The background server can remotely control the shutdown signal, the background server can store the data information of the photovoltaic modules from the aggregator, and the mobile terminal or webpage can access the real-time status of each photovoltaic module through the data interface server opened by the background server.

Description of drawings

Fig. 1 is the structural block diagram of a kind of photovoltaic power station monitoring system of the present invention;

Fig. 2 is a structural block diagram of a summary device of a photovoltaic power station monitoring system of the present invention;

Fig. 3 is a structural block diagram of a background server of a photovoltaic power plant monitoring system of the present invention.

detailed description

In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described below in conjunction with the accompanying drawings.

Please refer to Fig. 1, Fig. 2 and Fig. 3, an embodiment of the present invention, a photovoltaic power station monitoring system, including a photovoltaic module 1, a data collector 2, an aggregator 3 and a background server 4, a photovoltaic module 1, a data collector 2 , the aggregator 3 and the background server 4 are connected in sequence.

The data collector 2 is used to collect the data information of the photovoltaic module 1, and send the data information of the photovoltaic module 1 to the aggregator 3; the aggregator 3 is used to receive the data information of the photovoltaic module 1, and send the data information of the photovoltaic module 1 The data information is transmitted to the background server 4; the aggregator 3 receives the remote control shutdown signal from the background server 4 through the network; the background server 4 is used to store the data information of the photovoltaic module 1. The data information of the photovoltaic module 1 includes current data and voltage data of the photovoltaic module.

Please refer to Fig. 2, aggregator 3 includes processor 31, power supply 32, crystal oscillator 33, first RS485 interface 34, second RS485 interface 35, 3G module 36, WIFI module 37, display screen 38, serial port 39, network port 310, U disk 311 and TF card 312. Power supply 32, crystal oscillator 33, first RS485 interface 34, second RS485 interface 35, 3G module 36, WIFI module 37, display screen 38, serial port 39, network port 310, U disk 311 and TF card 312 cards and process respectively Device 31 is connected.

Power supply 32 is used to supply power to processor 31; Crystal oscillator 33 is used to generate clock signal and provides reference signal for said processor; First RS485 interface 34 and second RS485 interface 35 are connected with data collector 2 respectively; 3G module 36 communicates with the background server 4 through the 3G network; the WIFI module 37 communicates with the background server 4 through the wireless network; the processor 31 collects data information from the photovoltaic module 1 of the data collector 2 through the first RS485 interface 34 and the second RS485 interface 35 , and transmit the data information of the photovoltaic module 1 to the background server 4 through the 3G module 36 or WIFI module 37 for storage; the display screen 38 is used to display the data information of the photovoltaic module 1; the background server 4 sends a remote control shutdown signal to the processing device 31, the processor 31 receives the remote control shutdown signal from the background server 4 through the 3G module 36 or the WIFI module 37.

Please refer to FIG. 3 , the background server 4 includes a data center 41 , an aggregator communication server 42 , a cache server 43 , a data interface server 44 , a mobile phone terminal 45 and a web page terminal 46 . Aggregator communication server 42, cache server 43 and data interface server 44 are respectively connected to data center 41; aggregator communication server 42, cache server 43 and data interface server 44 are connected in turn; aggregator communication server 42 Communicate with the aggregator 3 through a wireless network or a 3G network; the mobile phone terminal 45 and the web page terminal 46 are connected to the data interface server 44 respectively.

The data information of the photovoltaic modules collected by the aggregator 3 is transmitted to the data center 41 through the aggregator communication server 42 for storage; the mobile terminal 45 accesses the data information of the photovoltaic modules stored in the data center 41 through the data interface server 44; The data interface server 44 accesses the data information of the photovoltaic modules stored in the data center 41 . The webpage terminal 46 is equipped with a Web monitoring system, and the mobile terminal 45 is equipped with a mobile terminal monitoring system.

In summary, the photovoltaic power station monitoring system of the present invention can monitor the real-time information of the photovoltaic power station, and the aggregator can read the current data and voltage data of each photovoltaic module, and transmit the current data and voltage data to the background server It can be stored, and can accept the remote control shutdown signal from the background server. The background server can store the data information of the photovoltaic modules from the aggregator, and the mobile terminal or webpage can access the data information of each photovoltaic module through the data interface server opened by the background server. real-time status.

The above embodiments are only for the purpose of illustrating the present invention, rather than limiting the present invention. Those skilled in the relevant technical fields can also make various changes or modifications without departing from the spirit and scope of the present invention. Therefore, all Equivalent technical solutions should also belong to the scope of the present invention and should be defined by each claim.

Claims (5)

1. A photovoltaic power plant monitoring system, characterized in that, comprises a photovoltaic module, a data collector, a summary device and a background server, and the photovoltaic module, a data collector, a summary device and a background server are connected successively, wherein: The data collector is used to collect the data information of the photovoltaic module, and send the data information of the photovoltaic module to the aggregator; The aggregator is used to receive the data information of the photovoltaic module, and transmit the data information of the photovoltaic module to the background server through the network; The aggregator receives the remote control shutdown signal from the background server through the network; The background server is used for storing the data information of the photovoltaic module. 2. A photovoltaic power plant monitoring system according to claim 1, characterized in that, the aggregator includes a processor, a power supply, a crystal oscillator, a first RS485 interface, a second RS485 interface, a 3G module, a WIFI module, Display screen, serial port, network port, U disk and TF card, among which: The power supply, crystal oscillator, first RS485 interface, second RS485 interface, 3G module, WIFI module, display screen, serial port, network port, U disk and TF card are connected to the processor respectively; The power supply is used to supply power to the processor; The crystal oscillator is used to generate a clock signal and provide a reference signal for the processor; The first RS485 interface and the second RS485 interface are respectively connected to the data collector; The 3G module communicates with the background server through the 3G network; The WIFI module communicates with the background server through a wireless network; The processor collects the data information of the photovoltaic module from the data collector through the first RS485 interface and the second RS485 interface, and transmits the data information of the photovoltaic module to the background server through the 3G module or WIFI module for further processing. storage; The display screen is used to display the data information of the photovoltaic module; The background server sends a remote control shutdown signal to the processor, and the processor receives the remote control shutdown signal from the background server through the 3G module or the WIFI module. 3. A photovoltaic power plant monitoring system according to claim 1, wherein the background server includes a data center, an aggregator communication server, a cache server, a data interface server, a mobile phone, and a web page, wherein : The aggregator communication server, cache server and data interface server are respectively connected to the data center; The aggregator communication server, cache server and data interface server are sequentially connected; The aggregator communication server communicates with the aggregator through a wireless network or a 3G network; The mobile phone terminal and the webpage terminal are respectively connected to the data interface server; The data information of the photovoltaic modules collected by the aggregator is transmitted to the data center through the aggregator communication server for storage; The mobile terminal accesses the data information of the photovoltaic modules stored in the data center through the data interface server; The web page accesses the data information of the photovoltaic modules stored in the data center through the data interface server. 4. A photovoltaic power plant monitoring system according to claim 3, characterized in that, the web page terminal is equipped with a web monitoring system, and the mobile phone terminal is equipped with a mobile terminal monitoring system. 5. A photovoltaic power plant monitoring system according to any one of claims 1 to 4, wherein the data information of the photovoltaic module includes current data and voltage data of the photovoltaic module.