CN110690756A - An intelligent management and control system for grounding lines of transmission lines - Google Patents

Abstract

The invention discloses an intelligent management and control system for the ground wire of a transmission line, comprising a power acquisition device, a Beidou terminal, a multi-card Beidou terminal, a cloud gateway, a cloud service platform and a display terminal. The power acquisition device and the Beidou terminal use a modbus rtu communication protocol The Beidou satellite is connected to the Beidou terminal and the Doka Beidou terminal wirelessly, the Doka Beidou terminal is connected to the cloud service platform through the cloud gateway, and the display terminal is wirelessly connected to the cloud service platform. The invention improves the original information transmission mode by installing the Beidou positioning module, transmits signals through the Beidou satellite, effectively increases the transmission distance, enables users to remotely monitor multiple grounding wire monitoring processes, and improves efficiency. The collaborative work of various control systems enhances the global automatic diagnosis ability, can record and intelligently analyze field data, and realize multi-channel alarms from SCADA monitoring system, paging, email and even mobile phone text messages.

Description

An intelligent management and control system for grounding lines of transmission lines

technical field

The invention relates to a circuit management and control system, in particular to an intelligent management and control system for the grounding wire of a transmission line.

Background technique

With the continuous improvement of the self-healing ability of the power grid and the optimal allocation of power resources at home and abroad, the concept of a new smart grid has received extensive attention. The power transmission network has a wide coverage and heavy maintenance workload. Once a problem occurs in the overhead transmission line, it will have a major impact on the national production, and it is necessary to carry out power outage maintenance on the transmission line. As an important measure to prevent sudden incoming calls from the line and protect the safety of maintenance personnel, the effective management of the ground wire is particularly important. At present, the management of grounding wires used on transmission lines in China is still relatively chaotic. Some power supply companies do not pay enough attention to grounding wires and related management work. Problems such as missing disassembly occur from time to time, which may lead to the occurrence of vicious accidents such as personal electric shock and closing with grounding wire. Therefore, the power sector needs to control the working status of the ground wire of the transmission line in real time, discover, quickly diagnose and eliminate hidden faults in time, and fundamentally avoid the occurrence of accidents. Under this circumstance, it is urgent to establish an intelligent monitoring system for grounding lines of transmission lines, and standardize the management of grounding lines to lay a solid foundation for reliable operation and timely maintenance of transmission lines. At present, there are monitoring and transmission devices on the market that monitor the current of the ground wire of the transmission line, but the monitoring and transmission device is limited by the size problem, the transmission distance is not far enough, the traditional transmission communication method is backward, and the monitoring effect of the ground wire of the transmission line is not accurate enough.

SUMMARY OF THE INVENTION

The invention mainly solves the technical problems that the transmission distance of the original monitoring transmission device is not far enough, the transmission communication mode is backward, and the monitoring effect of the ground wire of the transmission line is not accurate enough, and provides an intelligent management and control system for the ground wire of the transmission line. The positioning module improves the original information transmission method, transmits signals through Beidou satellites, effectively increases the transmission distance, enables users to remotely monitor multiple processes, is efficient and convenient, records and analyzes on-site data, and realizes multi-channel alarm methods, not only in It can be displayed in the SCADA monitoring system, and it can also be realized by paging, email or even SMS.

The above technical problems of the present invention are mainly solved by the following technical solutions: the present invention includes a power acquisition device, a Beidou terminal, a multi-card Beidou terminal, a cloud gateway, a cloud service platform and a display terminal, and the power acquisition device and the Beidou terminal The Beidou satellite is connected to the Beidou terminal and the Doka Beidou terminal wirelessly, the Doka Beidou terminal is connected to the cloud service platform through the cloud gateway, and the display terminal is wirelessly connected to the cloud service platform. First, the power acquisition device monitors the induced current data flowing on the grounding wire of the transmission line, and sends the current data to the Beidou satellite through the Beidou terminal, and then the Beidou satellite transmits the information to the Doka Beidou terminal, and puts the data into the cloud gateway and stores it in the cloud In the service platform, after completing the data transmission and storage, the information is sent to the Beidou satellite, and the Beidou satellite is fed back to the monitoring terminal to complete the system process. The user obtains the current data from the cloud service platform through a computer, mobile phone or other equipment for monitoring.

Preferably, the power collection device and the Beidou terminal form a system monitoring terminal. The monitoring end of the system is composed of a power acquisition device and a Beidou terminal. The modbus rtu communication protocol is used in the middle. The power acquisition device acts as a modbus slave station, and the cloud service platform acts as a modbus master station. The Beidou terminal transmits the received protocol data to the power acquisition device, and The power collection device responds accordingly.

Preferably, the Beidou terminal includes a power conversion module, an RS232/485 communication interface, and the power conversion module, the RS232/485 communication interface, the Beidou communication module, the storage module and the Beidou second-generation positioning module are respectively connected to the central processing unit. The Beidou communication module is connected with the Beidou satellite by means of the Beidou transmitting antenna and the Beidou receiving antenna, and the input end of the RS232/485 communication interface is connected with the power acquisition device. The input end of the RS232/485 communication interface is connected to the power acquisition device. The power acquisition device collects the data and inputs it into the storage module. The central processor transmits the detected data to the Beidou satellite through the Beidou transmitting antenna, and then the Beidou satellite transmits the information to the Doka. The Beidou terminal puts the data into the cloud gateway and stores it in the cloud service platform. After completing the data transmission and storage, the information is transmitted to the Beidou satellite. The monitoring terminal receives the feedback information of the Beidou satellite through the Beidou receiving antenna to complete the system process. The user observes the changes of the historical transmission data of the line within a period of time through the display terminal.

Preferably, the Beidou terminal adopts a multi-point-to-single-point communication mode, and multiple Beidou terminals are connected to the same Doka Beidou terminal by means of Beidou satellites. It enables one user to monitor multiple processes, so that process control personnel are no longer busy; multiple users can monitor the same process, realizing the openness of data and the transparency of process signals.

Preferably, the power collection device is installed on the ground wire of the transmission line. The power acquisition device monitors the induced current flowing through the ground wire of the transmission line in real time.

Preferably, the display terminal is a computer, a mobile phone and other handheld devices. Users can monitor the induced current flowing through the ground wire of the transmission line in various ways and receive alarm information.

The beneficial effects of the invention are: improving the original information transmission mode by installing the Beidou positioning module, and effectively increasing the transmission distance by transmitting signals through the Beidou satellite, so that one user can remotely monitor multiple processes, improve efficiency, or monitor multiple users. In the same process, the openness of data is realized; the operation is simplified by virtualizing the instrument, and the field data is recorded and analyzed intelligently; the multi-channel alarm mode can be realized, which can not only be displayed in the SCADA monitoring system, but also can be displayed through paging, email or even The mobile phone short message is realized; the management and control system enhances the global automatic diagnosis ability through the cooperative work of various instruments and various control systems.

Description of drawings

FIG. 1 is a block diagram of a system connection structure of the present invention.

FIG. 2 is a block diagram of a circuit principle connection structure of the monitoring end of the system of the present invention.

In the figure, 1 Beidou terminal, 1.1 power conversion module, 1.2 RS232/485 communication interface, 1.3 central processing unit, 1.4 Beidou communication module, 1.5 Beidou transmitting antenna, 1.6 Beidou receiving antenna, 1.7 storage module, 1.8 second-generation positioning module, 2 power Acquisition device, 3 Beidou satellites, 4 multi-card Beidou terminals, 5 cloud gateways, 6 cloud service platforms, 7 display terminals

Detailed ways

The technical solutions of the present invention will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

Example: An intelligent management and control system for the grounding line of a transmission line in this example, as shown in Figures 1 and 2, the system monitoring end includes a central processing unit 1.3 and a power conversion module 1.1 connected to the central processing unit 1.3, RS232/ 485 communication interface 1.2, Beidou communication module 1.4, storage module 1.7, Beidou second-generation positioning module 1.8. The Beidou communication module 1.4 is connected to the Beidou satellite 3 by means of the Beidou transmitting antenna 1.5 and the Beidou receiving antenna 1.6. The above parts together form the Beidou terminal 1. The system monitoring end includes the Beidou terminal 1 and the power acquisition device 2. The power collection device 2 is installed on the ground wire. The Beidou satellite 3 is connected to the Beidou terminal 1 and the Doka Beidou terminal 4 remotely and wirelessly. The Doka Beidou terminal 4 is connected to the cloud service platform 6 by means of the cloud gateway 5 using standard IoT cloud communication protocols and security authentication, and the display terminal 7 is wirelessly connected to the cloud service platform 6. The display terminal 7 that can be used includes mobile devices such as computers and mobile phones . The power acquisition device 2 is connected to the Beidou terminal 1 by means of RS232/485 communication and modbus rtu communication protocol, the power acquisition device 2 acts as a modbus slave station, the cloud service platform 6 acts as a modbus master station, and the Beidou terminal 1 transmits the received protocol data. to the power collection device 2, and the power collection device 2 responds accordingly.

When in use, the power collection device 2 installed on the ground wire monitors the current data in real time, the RS232/485 communication interface 1.2 inputs the data collected by the power collection device 2 into the storage module 1.7, and the central processor 1.3 passes the detected data through the Beidou transmitting antenna 1.5. It is transmitted to the Beidou satellite 3, and then the Beidou satellite 3 transmits the information to the Doka Beidou terminal 4, and the data is stored in the cloud service platform 6 through the cloud gateway 5. After the data transmission and storage are completed, the information is sent to the Beidou satellite 3, monitoring The terminal receives the feedback information of the Beidou satellite 3 through the Beidou receiving antenna 1.6 to complete the system process. The user can obtain the current data from the cloud service platform through the display terminal 7, and observe and analyze the change of the current data of the ground wire within a period of time. The invention improves the original information transmission mode by installing the Beidou positioning module, transmits signals through the Beidou satellite, effectively increases the transmission distance, enables one user to remotely monitor multiple processes, and improves efficiency, or multiple users monitor the same process to realize data. openness; simplify the operation by virtualizing the instrument, record and intelligently analyze the field data; realize the multi-channel alarm mode, which can not only be displayed in the SCADA monitoring system, but also can be realized by paging, email and even mobile phone text messages; The management and control system enhances the global automatic diagnosis capability through the collaborative work of multiple instruments and multiple control systems.

Claims (6)

1. The utility model provides a transmission line earth connection intelligence management and control system, its characterized in that, including electric power collection device (2), big dipper terminal (1), many calories of big dipper terminal (4), cloud gateway (5), cloud service platform (6) and display terminal (7), electric power collection device (2) link to each other with big dipper terminal (1), big dipper satellite (3) respectively with big dipper terminal (1) and many calories of big dipper terminal (4) long-range wireless connection, many calories of big dipper terminal (4) link to each other with the help of cloud gateway (5) and cloud service platform (6), display terminal (7) and cloud service platform wireless connection.

2. The intelligent management and control system for the grounding wire of the power transmission line according to claim 1, wherein the power acquisition device (2) and the Beidou terminal (1) form a system monitoring end.

3. The intelligent management and control system for the ground wire of the power transmission line according to claim 2 is characterized in that the Beidou terminal (1) comprises a power conversion module (1.1), an RS232/485 communication interface (1.2), a Beidou communication module (1.4), a storage module (1.7), a second-generation Beidou positioning module (1.8) and a central processing unit (1.3), the power conversion module (1.1), the RS232/485 communication interface (1.2), the Beidou communication module (1.4), the storage module (1.7) and the second-generation Beidou positioning module (1.8) are respectively connected with the central processing unit (1.3), the Beidou communication module (1.4) is connected with the Beidou satellite (3) through a Beidou transmitting antenna (1.5) and a Beidou receiving antenna (1.6), and the input end of the RS232/485 communication interface (1.2) is connected with a power acquisition device.

4. The intelligent management and control system for the ground wire of the power transmission line according to claim 3 is characterized in that the Beidou terminals (1) adopt a multipoint-to-single point communication mode, and a plurality of Beidou terminals (1) are connected with the same multi-card Beidou terminal (4) by means of Beidou satellites (3).

5. The intelligent management and control system for the grounding wire of the power transmission line according to claim 3, wherein the power acquisition device (2) is installed on the grounding wire of the power transmission line.

6. The intelligent management and control system for the grounding wire of the power transmission line according to claim 1, wherein the display terminal (7) is a computer, a mobile phone or other handheld devices.

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