CN211606194U

CN211606194U - Distributed photovoltaic data monitoring system based on GPRS wireless communication

Info

Publication number: CN211606194U
Application number: CN201922270183.XU
Authority: CN
Inventors: 杨思晗
Original assignee: Jiangsu Nanneng Electrical Co ltd
Current assignee: Jiangsu Nanneng Electrical Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-09-29
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a distributing type photovoltaic data monitoring system based on GPRS radio communication. The system comprises a plurality of distributed photovoltaic devices, data monitoring devices connected with the distributed photovoltaic devices one by one, a wireless transmission module, a server and a monitoring terminal, wherein the data monitoring devices are used for acquiring operation data of the distributed photovoltaic devices, the data monitoring devices are connected with the wireless transmission module so as to send the acquired operation data of the distributed photovoltaic devices to the wireless transmission module, the wireless transmission module is in wireless connection with the server so as to send the operation data of the distributed photovoltaic devices to the server, and the server is connected with the monitoring terminal. The utility model discloses a GPRS wireless communication mode as long as in basic station coverage, just can carry out data communication, reduced the cost brought by the wiring, greatly increased the distance of communication simultaneously, perfect agreeing with the on-the-spot particularity of distributing type photovoltaic.

Description

Distributed photovoltaic data monitoring system based on GPRS wireless communication

Technical Field

The utility model relates to a photovoltaic data monitoring system field, concretely relates to distributing type photovoltaic data monitoring system based on GPRS radio communication.

Background

In recent years, photovoltaic power generation is rapidly developed, and a real-time monitoring system is indispensable for improving the reliability and safety of a photovoltaic power generation system, wherein monitoring of a distributed photovoltaic power generation system is a key point. Distributed photovoltaic power generation systems, also known as distributed power generation or distributed energy supply, refer to a photovoltaic power generation and supply system configured on a user site or close to a power utilization site to meet the needs of specific users, support the economic operation of an existing power distribution network, or meet the requirements of both aspects.

Most of distributed photovoltaic systems are small in access capacity and dispersed in access positions, and a traditional system monitored through cables or network cables is difficult to wire and high in cost. And the system using wireless technologies such as Bluetooth, zigbee or wifi for communication is limited by distance, or needs additional gateway equipment for data access, thereby greatly increasing the difficulty of data monitoring.

At present, a primary data monitoring device is arranged in equipment such as a box transformer, an inverter and a combiner box on a photovoltaic field, collects data such as operation information of the equipment, and transmits the data through RS485, a communication manager is generally arranged in a traditional data access mode, relevant equipment on the field is accessed through RS485, and then the relevant equipment is forwarded through a network cable, but the cost of the method is too high due to the particularity of distributed photovoltaic fields.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a distributing type photovoltaic data monitoring system based on GPRS radio communication to the not enough of prior art existence.

In order to realize the above object, the utility model provides a distributed photovoltaic data monitoring system based on GPRS radio communication, including a plurality of distributed photovoltaic equipment, the data monitoring device, wireless transmission module, server and the monitor terminal that are connected with distributed photovoltaic equipment one by one, data monitoring device is used for gathering distributed photovoltaic equipment's operating data, and each data monitoring device is connected with a wireless transmission module to send the operating data of distributed photovoltaic equipment who gathers it for wireless transmission module, wireless transmission module and server wireless connection, in order to send the operating data of distributed photovoltaic equipment for the server, the server is connected with monitor terminal.

Further, the wireless transmission module is a GPRS module.

Further, the GPRS module is connected with the distributed photovoltaic equipment through an RS485 interface.

Further, the GPRS module model comprises USR-GPRS232-730 and A-GPRS 1090.

Further, the distributed photovoltaic equipment comprises a combiner box, a box-type substation and an inverter.

Further, the monitoring terminal comprises a display, a mobile phone and a tablet computer.

Further, the operation data includes voltage, current and operation state.

Has the advantages that: the utility model discloses a GPRS wireless communication mode as long as in basic station coverage, just can carry out data communication, compares with communication modes such as traditional cable and net twine, has reduced the cost brought by the wiring. Compared with technologies such as zigbee and bluetooth, the distance of communication is greatly increased, and the particularity of the distributed photovoltaic field is perfectly conformed. The server is accessed by adopting a data transparent transmission mode, the universality of a data access system is obviously improved, and the server can analyze the data according to various data protocols.

Drawings

Fig. 1 is the utility model discloses distributed photovoltaic data monitoring system schematic diagram based on GPRS radio communication.

Detailed Description

The present invention will be further clarified by the following embodiments with reference to the attached drawings, which are implemented on the premise of the technical solution of the present invention, and it should be understood that these embodiments are only used for illustrating the present invention and are not used for limiting the scope of the present invention.

As shown in fig. 1, the embodiment of the utility model provides a distributed photovoltaic data monitoring system based on GPRS radio communication, this system include a plurality of distributed photovoltaic equipment 1, one by one with data monitoring device 2, wireless transmission module 3, server 4 and monitor terminal 5 that distributed photovoltaic equipment 1 is connected. The distributed photovoltaic apparatus 1 includes, but is not limited to, a combiner box 11, a box substation 12, and an inverter 13. The data monitoring device 2 is used for collecting operation data of the distributed photovoltaic equipment 1, and the collected operation data of the distributed photovoltaic equipment 1 comprises voltage, current, operation state and the like. Each data monitoring device 2 is connected with one wireless transmission module 3, and then the data monitoring device 2 sends the operation data of distributed photovoltaic equipment 1 who gathers to wireless transmission module 3, wireless transmission module 3 and server 4 wireless connection, in order to send the operation data of distributed photovoltaic equipment 1 to server 4, server 4 is connected with monitor terminal 5, and then can receive or visit the operation data of distributed photovoltaic equipment 1 that server 4 received through monitor terminal 5, realize long-range real time monitoring to each distributed photovoltaic equipment 1 through monitor terminal 5.

The utility model discloses wireless transmission module 2 of embodiment preferably adopts the GPRS module. Due to the universality of GPRS, data can be transmitted only at the position of a base station, so that the flexibility of the system is greatly improved, and the cost is reduced. Because current data monitoring devices 2 generally are RS485 interface output, for the convenience of reform transform on current basis, the utility model discloses the GPRS module of embodiment is preferred to pass through RS485 interface connection with data monitoring devices 2, and is the type selection, and the selectable is the GPRS module that has the RS485 interface like the model USR-GPRS232-730 and A-GPRS1090, also can select for use the GPRS module that has the RS485 interface of other models. The GPRS module accesses data through an RS485 interface, converts the data into GPRS data and then transmits the data to the cloud platform of the server through the GPRS antenna.

The utility model discloses monitor terminal 5 of embodiment includes display, cell-phone and panel computer. The operation data of the distributed photovoltaic devices 1 can be displayed in the form of graphs, characters and numbers, so that related workers can complete real-time monitoring on the data of each distributed photovoltaic device 1, current power generation information and the like.

The above description is only a preferred embodiment of the present invention, and it should be noted that other parts not specifically described belong to the prior art or the common general knowledge to those skilled in the art. Without departing from the principle of the present invention, several improvements and decorations can be made, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a distributed photovoltaic data monitoring system based on GPRS radio communication, its characterized in that, includes a plurality of distributed photovoltaic equipment, one by one with data monitoring devices, wireless transmission module, server and monitor terminal that distributed photovoltaic equipment is connected, data monitoring devices is used for gathering distributed photovoltaic equipment's operating data, and each data monitoring devices is connected with a wireless transmission module to send the operating data of distributed photovoltaic equipment that it gathered for wireless transmission module, wireless transmission module and server wireless connection to the operating data with distributed photovoltaic equipment sends for the server, the server is connected with monitor terminal.

2. The distributed photovoltaic data monitoring system based on GPRS wireless communication of claim 1, wherein said wireless transmission module is a GPRS module.

3. The distributed photovoltaic data monitoring system based on GPRS wireless communication of claim 2, wherein the GPRS module is connected with the distributed photovoltaic device through an RS485 interface.

4. A distributed photovoltaic data monitoring system based on GPRS wireless communication according to claim 3, wherein said GPRS modules are of the type comprising USR-GPRS232-730 and a-GPRS 1090.

5. The GPRS wireless communication-based distributed photovoltaic data monitoring system of claim 1, wherein said distributed photovoltaic devices comprise combiner boxes, box substations and inverters.

6. The distributed photovoltaic data monitoring system based on GPRS wireless communication of claim 1, wherein said monitor terminal comprises a display, a cell phone and a tablet computer.

7. The distributed photovoltaic data monitoring system based on GPRS wireless communication of claim 1, wherein said operational data comprises voltage, current and operational status.