Monitoring system based on photovoltaic inverter

Abstract

The utility model relates to the technical field of photovoltaic power generation, in particular to a monitoring system based on a photovoltaic inverter, which comprises a data acquisition module, a transmission module and a monitoring center, the data acquisition module is electrically connected with the transmission module, the transmission module is electrically connected with the monitoring center, and the monitoring center is electrically connected with the transmission module. The data acquisition module comprises a photovoltaic assembly, an inverter, a temperature sensor, a radiation sensor, a current sensor and a voltage sensor. Key parameters such as voltage, current and temperature of the photovoltaic inverter are monitored in real time through the sensors, data are transmitted to the monitoring platform, the platform analyzes the data, an operation state report and fault early warning information are generated, and efficient operation of the system is ensured. A user can access monitoring data at any time through a mobile application or a Web interface, and the management efficiency and reliability of the photovoltaic power generation system are improved. The monitoring system has a wide application prospect, the operation and maintenance cost can be effectively reduced, and the intelligent development of the photovoltaic industry is promoted.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic power generation technical field, concretely is a kind of monitoring system based on photovoltaic inverter. BACKGROUND

[0002] With the rapid development of renewable energy, photovoltaic power generation has become an important energy source. Photovoltaic inverter as the core equipment of photovoltaic system, its performance directly affects the power generation efficiency and system stability. Therefore, it is particularly important to monitor the running state, power generation efficiency and fault information of photovoltaic inverter in real time.

[0003] The current photovoltaic inverter monitoring system cannot monitor various parameters of photovoltaic inverter in real time, and photovoltaic inverter is easy to be damaged during use, which affects its normal work. At the same time, it is inconvenient to check the running state, power generation efficiency and fault information of photovoltaic inverter anytime and anywhere, and cannot be maintained and managed in time. In order to solve the above technical problems, a monitoring system based on photovoltaic inverter is designed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of monitoring system based on photovoltaic inverter, with the advantages of real-time monitoring and remote maintenance management, solving the problem that the current photovoltaic inverter monitoring system cannot monitor various parameters of photovoltaic inverter in real time, and photovoltaic inverter is easy to be damaged during use, which affects its normal work. At the same time, it is inconvenient to check the running state, power generation efficiency and fault information of photovoltaic inverter anytime and anywhere, and cannot be maintained and managed in time.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of monitoring system based on photovoltaic inverter, including data acquisition module, transmission module and monitoring center, the data acquisition module is electrically connected with transmission module, the transmission module is electrically connected with monitoring center, the data acquisition module includes photovoltaic module, inverter, temperature sensor, radiation sensor, current sensor and voltage sensor, the transmission module includes DTU, the input end of the DTU is unidirectionally electrically connected with reset circuit module, serial module, photovoltaic module data acquisition, inverter data acquisition and DDR2 module, the input end of the serial module is unidirectionally electrically connected with RS485 module, the output end of the DTU is unidirectionally electrically connected with LED pilot lamp, power module, WIFI module and WAN module, the monitoring center includes display module, alarm module, GPRS communication module and mobile terminal.

[0006] Preferably, the temperature sensor, radiation sensor, current sensor and voltage sensor detect the temperature, power, current and voltage parameters of photovoltaic module and inverter respectively.

[0007] Preferably, the mobile terminal is a mobile application and a web interface through which users can access and manage the monitoring data.

[0008] Preferably, the data acquisition module supports multiple communication protocols to ensure compatibility with different brands and models of photovoltaic inverters.

[0009] Preferably, the monitoring platform has intelligent algorithms to predict photovoltaic power generation trends and provide data-driven decision support.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] The data acquisition module of the utility model monitors the voltage, current, and temperature of the photovoltaic inverter in real time through multiple sensors, and transmits the data to the monitoring platform. The platform analyzes the data, generates operation status reports and fault warning information, ensures efficient operation of the system, and users can access the monitoring data at any time through the mobile application or web interface, improving the management efficiency and reliability of the photovoltaic power generation system. The monitoring system has a wide application prospect, can effectively reduce the operation and maintenance cost, and promotes the intelligent development of the photovoltaic industry. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 The utility model system schematic diagram. DETAILED DESCRIPTION

[0013] Please refer to Figure 1 A monitoring system based on a photovoltaic inverter, comprising a data acquisition module, a transmission module, and a monitoring center, the data acquisition module is electrically connected with the transmission module, the transmission module is electrically connected with the monitoring center, the data acquisition module comprises a photovoltaic module, an inverter, a temperature sensor, a radiation sensor, a current sensor, and a voltage sensor, a multi-channel sensor is installed on each inverter to monitor the power generation data in different areas, the transmission module comprises a DTU, the input end of the DTU is unidirectionally and electrically connected with a reset circuit module, a serial port module, a photovoltaic module data acquisition, an inverter data acquisition, and a DDR2 module, the input end of the serial port module is unidirectionally and electrically connected with an RS485 module, the output end of the DTU is unidirectionally and electrically connected with an LED indicator, a power module, a WIFI module, and a WAN module, by setting the WIFI module and the WAN module, data is transmitted to the monitoring platform by using a 4G network, ensuring efficient data transmission, supporting multiple wireless communication modes such as Wi-Fi and 4G, the monitoring center comprises a display module, an alarm module, a GPRS communication module, and a mobile terminal, the monitoring center can analyze the power generation situation of each area in real time, generate power generation statistical data of public facilities, the mobile terminal displays real-time power generation data and environmental protection benefits to citizens by setting a display screen in public buildings, promoting public attention to renewable energy;

[0014] Temperature sensors, radiation sensors, current sensors, and voltage sensors detect temperature, power, current, and voltage parameters of the photovoltaic modules and inverters, respectively;

[0015] The mobile terminal is for mobile applications and web interfaces, allowing users to access monitoring data and manage them. The mobile terminal is compatible with iOS and Android platforms, providing a user-friendly interface that supports real-time monitoring and data queries. The web application can be accessed through a browser, providing more detailed statistical analysis and report download functions.

[0016] The data acquisition module supports multiple communication protocols to achieve compatibility with different brands and models of photovoltaic inverters.

[0017] The monitoring platform has intelligent algorithms to predict photovoltaic power generation trends and provide data-driven decision support.

[0018] The system can be linked with the smart grid to achieve more efficient energy management and scheduling.

[0019] The system can generate optimized power generation strategies and maintenance plans to improve the management efficiency and return on investment of photovoltaic power generation.

[0020] Example One: Commercial Photovoltaic Power Generation System Monitoring

[0021] Background: A commercial building has installed a large-scale photovoltaic power generation system and needs to monitor the power generation efficiency in real time.

[0022] Implementation:

[0023] 1. Data acquisition module: Install current and voltage sensors on each photovoltaic inverter to collect real-time power generation data.

[0024] 2. Transmission module: Use wireless technology to transmit data to the central control room, ensuring coverage of the entire building.

[0025] 3. Monitoring center: Upload data to the cloud and generate daily power generation reports through data analysis to identify peak power generation periods.

[0026] 4. Mobile terminal: Management personnel can view real-time data and historical reports through the web interface and set periodic maintenance reminders.

[0027] Example Two: Public Facility Photovoltaic System Monitoring

[0028] Background: A city has installed a photovoltaic system on public buildings and needs to monitor power generation and display it to the public.

[0029] Implementation:

[0030] 1. Data acquisition module: Install multi-channel sensors on each inverter to monitor power generation data in different areas.

[0031] 2. Transmission module: Transmit data to the monitoring platform through the 4G network to ensure efficient data transmission.

[0032] 3. Monitoring center: Real-time analysis of power generation in each area to generate public utility power generation statistics.

[0033] 4. Mobile terminal: Set up display screens in public buildings to show citizens real-time power generation data and environmental benefits, promoting public awareness of renewable energy.

[0034] In use, multiple sensors collect real-time data such as voltage, current, temperature, and other parameters of photovoltaic inverters, process the data, and use Wi-Fi or 4G communication technology to transmit the collected data to the monitoring platform. The system integrates data analysis and storage functions, analyzes the received data in real time, generates operation status reports and fault warning information, supports historical data queries, and provides mobile and PC applications. Users can view the operation status, power generation efficiency, and fault information of photovoltaic inverters at any time and place, and timely maintenance and management.

[0035] In summary: The photovoltaic inverter monitoring system solves the problem of current photovoltaic inverter monitoring systems that cannot monitor various parameters of photovoltaic inverters in real time, and photovoltaic inverters are prone to damage during use. It is not convenient to check the operation status, power generation efficiency, and fault information of photovoltaic inverters at any time and place, and cannot timely maintenance and management.

Claims

1. A monitoring system based on a photovoltaic inverter, comprising a data acquisition module, a transmission module and a monitoring center, characterized in that: The data acquisition module is electrically connected to the transmission module, and the transmission module is electrically connected to the monitoring center. The data acquisition module includes a photovoltaic component, an inverter, a temperature sensor, a radiation sensor, a current sensor and a voltage sensor. The transmission module includes a DTU. The input end of the DTU is unidirectionally electrically connected to a reset circuit module, a serial port module, a photovoltaic component data acquisition, an inverter data acquisition and a DDR2 module. The input end of the serial port module is unidirectionally electrically connected to an RS485 module. The output end of the DTU is unidirectionally electrically connected to an LED indicator, a power module, a WIFI module and a WAN module. The monitoring center includes a display module, an alarm module, a GPRS communication module and a mobile terminal.

2. The photovoltaic inverter-based monitoring system according to claim 1, characterized in that: The temperature sensor, radiation sensor, current sensor and voltage sensor respectively detect the temperature, power, current and voltage parameters of the photovoltaic module and the inverter.

3. The photovoltaic inverter-based monitoring system according to claim 1, characterized in that: The mobile terminal is a mobile application and a web interface, through which users can access and manage monitoring data.

4. The photovoltaic inverter-based monitoring system according to claim 1, characterized in that: The data acquisition module supports multiple communication protocols to achieve compatibility with photovoltaic inverters of different brands and models.

5. The photovoltaic inverter-based monitoring system according to claim 1, characterized in that: The monitoring platform is equipped with intelligent algorithms for predicting photovoltaic power generation trends and providing data-driven decision support.

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