CN207095605U - A kind of power transmission line intelligent monitoring system - Google Patents

Abstract

An intelligent monitoring system for a power transmission line, comprising a monitoring terminal, the detecting terminal comprising a signal input module, the signal input module is connected to an A/D converter, the A/D converter is connected to a central processing module, and the central processing module is connected to a data storage module , a display module, an alarm module, a linkage module, and a wireless communication module; the signal input module includes a line crossing module, a tower tilting module, a line galloping module, a tower foundation destruction module, a line ice coating module, and a foreign object monitoring module. The utility model provides an intelligent monitoring system for power transmission lines, which can receive and send out signals for real-time data, and reasonably process and use the signals through each monitoring terminal to form a networked, multi-functional and precise server network. More accurate and diverse monitoring of transmission lines can be achieved.

Description

An intelligent monitoring system for transmission lines

technical field

The utility model relates to the field of power system monitoring, in particular to an intelligent monitoring system for transmission lines.

Background technique

At this stage, in the power industry, the remote image monitoring of substations is becoming more and more mature. Many video servers and other products have been widely used and achieved good results. But on the transmission line, due to the reasons of the environment and the channel, the remote image monitoring has not been well developed and applied. The operation and maintenance tasks of high-voltage transmission lines are also increasing, and the requirements for the reliability and safety of power grid operation are also increasing, and the external environment of the power grid is becoming increasingly complex, such as building construction around high-voltage transmission lines, wire covering Power accidents caused by factors such as ice, wind swaying, large crossing of lines, foreign objects hanging from wires, and stolen tower materials often occur in some areas. This patent proposes a design of a transmission line intelligent monitoring server. It can receive and send signals to real-time data, and through the server of each sub-module, the signals can be processed and used reasonably to form a networked, multi-functional, and precise server network, which can be more accurate and more accurate for transmission lines. kind of monitoring.

Contents of the invention

The technical problem to be solved by the utility model is to provide an intelligent monitoring system for power transmission lines, which can receive and send signals to real-time data, and process and use the signals reasonably through each monitoring terminal to form a networked, multi-functional, The precise server network enables more accurate and diverse monitoring of transmission lines.

In order to solve the above technical problems, the technical solution adopted by the utility model is: an intelligent monitoring system for power transmission lines, including a monitoring terminal, the detection terminal includes a signal input module, the signal input module is connected with an A/D converter, A/D The D converter is connected with the central processing module, and the central processing module is connected with the data storage module, the display module, the alarm module linkage module and the wireless communication module;

The signal input module includes a line crossing module, a tower tilting module, a line galloping module, a tower base destruction module, a line ice coating module and a foreign matter monitoring module.

Preferably, the signal input module is connected to the A/D converter through the security module, the A/D converter is connected to the central processing module through the security module, and the central processing module is connected to the data storage module through the security module.

Preferably, the security module includes a data encryption module, a communication encryption module and a national network security chip.

Preferably, the monitoring terminal is connected to the county company server through the wireless communication module, the county company server is connected to the city company server through the GPRS/Wife module, and the city company server is connected to the provincial company server through the GPRS/Wife module.

Preferably, the wireless communication module is a 4G wireless communication module.

The utility model provides an intelligent monitoring system for transmission lines, which has the following advantages:

(1) Realize the monitoring of various faults of the transmission line, connect with the server, realize the transmission of pictures and videos, and each area can monitor the situation of the transmission line in real time.

(2) The server has high security during operation, which can ensure the security of data and the stability of communication, and realize the seamless connection between the system and the national grid. At the same time, it can effectively develop the data of various disasters on the transmission line.

(3) Through reasonable information optimization, a large-scale server network has been established, which improves the efficiency of video surveillance of transmission lines, enables accurate monitoring of various areas, improves the safety of transmission lines, reduces the burden on employees, and guarantees personnel safety. Realized intelligent monitoring and promoted the development of intelligent substation.

(4) In view of the "three-span" situation of the transmission line, a new type of server is used to process information such as anti-breakage on the transmission line. The server equipment is not subject to geographical restrictions, thereby greatly reducing the pressure on the front-end equipment and solving the problem of monitoring equipment. The problem of large power consumption.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the monitoring end of the utility model;

Fig. 3 is the structural representation of the safety module of the utility model;

Fig. 4 is the operating structure diagram of the wide area system of the present invention.

Detailed ways

As shown in Figure 1, a transmission line intelligent monitoring system includes a monitoring terminal, the detection terminal includes a signal input module, the signal input module is connected to the A/D converter, the A/D converter is connected to the central processing module, and the central The processing module is connected with the data storage module, the display module, the alarm module linkage module and the wireless communication module;

As shown in FIG. 2 , the signal input module includes a line crossing module, a tower tilting module, a line galloping module, a tower base destruction module, a line icing module and a foreign matter monitoring module.

Preferably, the signal input module is connected to the A/D converter through the security module, the A/D converter is connected to the central processing module through the security module, and the central processing module is connected to the data storage module through the security module.

Preferably, as shown in FIG. 3 , the security module includes a data encryption module, a communication encryption module and a national network security chip.

Preferably, the monitoring terminal is connected to the county company server through the wireless communication module, the county company server is connected to the city company server through the GPRS/Wife module, and the city company server is connected to the provincial company server through the GPRS/Wife module.

Preferably, the wireless communication module is a 4G wireless communication module.

Preferably, the line spanning module: for the cross spanning of the transmission line, use the ZCT215M-LWS-AZ-E3 wireless inclination sensor and the stress sensor UX010LB, use the point suspension line derivative formula to calculate the ratio of stress and specific load, and then calculate Obtain the wire equation and sag.

Tower tilt module: use ZCT215M-LWS-AZ-E3 wireless tilt sensor to measure the tilt angle of the tower in real time.

Line galloping module: use breeze vibration sensors including optical fiber sensor CZ-V22A and vibration sensor CYT9200 to measure the vibration acceleration, amplitude, frequency and temperature of the wire in real time. Judge the dance situation of the line.

Tower base destruction module: monitor through the camera, decode the video stream through the server, and then you can see the live video picture taken by the camera, and use Best/900A infrared detector to judge whether someone is destroying.

Line icing module: FWS600 six-element weather station, tension sensor KJTLY-S, angle sensor P6500, distance sensor H-PT50. The axial tension, two-dimensional inclination, temperature and humidity, wind speed and direction of the transmission line are detected by multiple sensors, and analyzed through the theoretical model of icing.

Foreign object monitoring module: MM.10-SJ Sanjian microwave infrared detector, which uses the combination of microwave and passive infrared, only alarms the real human body to prevent the transmission of other wrong information such as birds.

Central processing module: choose ST-NTMS-ETMS. Embedded design, built-in video compression codec unit.

Ultra-low power consumption design, at the same time adding STM32 microprocessor to sort and output six kinds of information.

The sensor equipment monitors 6 kinds of information, which correspond to the 6 kinds of integrated input signal modules respectively. Through the A/D converter, the 6 kinds of signals are converted into digital signals, and then connected to the central processing unit. Compare the pictures in real time to judge the disaster situation. The central processing unit is connected with the data storage module, stores the alarm disaster, outputs the data, realizes the connection with the display module, the alarm module, and the linkage module respectively, judges the disaster level, and then connects to the superior.

The central processing system analyzes the transmitted pictures in real time, judges the six types of disasters, stores the disaster data information through the data storage, and the back-end equipment will display an alarm, and the alarm will sound and display abnormal conditions. At the same time, through The linkage module notifies the information, and finally, according to the disaster situation, the disasters are uniformly divided and sorted, and the information is transmitted to the higher-level server.

In order to strengthen the security of information, a security module is adopted, and at the same time, in order to be applicable to the national network system, a national network security chip is added to realize that all monitoring data is encrypted by the encryption chip and then accessed by the wireless APN private network and deployed in the provincial (autonomous region, city) company. The condition monitoring agent device CMA realizes seamless access to the condition monitoring master station. When secure data transmission is required, different security levels are set according to different types of transmission services, and different encryption algorithms are selected for encryption. Multimedia data communication adopts DRM encryption, and control instructions and data communication adopt SSL encryption.

For the national grid system, as shown in Figure 4, a three-level service network is established. The three-level service network at the county and district levels, the second-level service network at the city level, and the first-level service network at the provincial level jointly form a large-scale service network. The system communicates with each other through GPRS/Wife modules, and through a large-scale server network, conducts all-round monitoring of various areas of the transmission line, realizes remote and highly precise control, and promotes the development of smart substations.

Above-mentioned embodiment is only the preferred technical scheme of the present utility model, and should not be regarded as the restriction to the present utility model, and the protection scope of the present utility model should be the technical solution described in the claims, including the technology in the technical solution described in the claims. An equivalent alternative to the feature is the scope of protection. That is, equivalent replacement and improvement within this scope are also within the protection scope of the present utility model.

Claims (5)

1. A kind of 1. power transmission line intelligent monitoring system, it is characterised in that：Including monitoring side, the monitoring side includes signal input mould Block, signal input module are connected with A/D converter, and A/D converter is connected with central processing module, central processing module and data Memory module, display module, alarm module interlocking module and wireless communication module connection；

   The signal input module include line crossing module, shaft tower tilt module, line oscillation module, column foot destroy module, Line ice coating module and monitoring foreign bodies module.
2. A kind of 2. power transmission line intelligent monitoring system according to claim 1, it is characterised in that：The signal input module is led to Cross security module to be connected with A/D converter, A/D converter is connected by security module with central processing module, central processing mould Block is connected by security module with data memory module.
3. A kind of 3. power transmission line intelligent monitoring system according to claim 2, it is characterised in that：The security module includes number According to encrypting module, communication encryption module and state's net safety chip.
4. A kind of 4. power transmission line intelligent monitoring system according to claim 1, it is characterised in that：The monitoring side passes through wireless Communication module is connected with county's corporate server, and county's corporate server is connected by GPRS/Wife modules with city's corporate server, city Corporate server is connected by GPRS/Wife modules with provincial company server.
5. A kind of 5. power transmission line intelligent monitoring system according to claim 1, it is characterised in that：The wireless communication module is adopted With 4G wireless communication modules.