CN107707029B - Integrated monitoring and management system for medium and low voltage distribution network - Google Patents

Abstract

The invention discloses an integrated monitoring and management system for medium and low voltage distribution networks, comprising an intelligent data acquisition terminal, a data transmission module, a data processing module, a service module and a display module. The intelligent data acquisition terminal transmits initial data to the data through the data transmission module. The processing module, the data processing module processes the acquired data in real time, generates the data that can be recognized by the system and saves it in the real-time database, and the service module provides the data to the outside world, and generates the real-time status of the distribution network and the real-time alarm or alarm according to the data. Event recording, the display module displays the cooked data in the form of images or videos, and provides human-computer interaction with management functions for users. The invention can improve the management level and service quality of the medium and low voltage distribution network system, reduce user complaints, realize the development of informatization, automation and interaction of the related business of the medium and low voltage distribution network, and lay the foundation for the construction of the smart grid.

Description

Integrated monitoring and management system for medium and low voltage distribution network

technical field

The invention relates to the technical field of medium and low voltage distribution networks, in particular to an integrated monitoring and management system for medium and low voltage distribution networks.

Background technique

With the continuous development of society and economy, power users have higher and higher requirements for power supply reliability and power quality. Although many power supply companies have installed and operated various real-time or quasi-real-time systems such as meter reading and monitoring, medium and low voltage distribution The monitoring of the power grid has basically reached the practical level, but each system belongs to different departments, so there are information islands for the use of system data, and to a certain extent, waste is caused. The power supply company did not know the fault occurred until the power outage user's call for repairs, and dispatched operation and maintenance personnel to deal with it. Due to the difficulty in integrating the data collected by the system, unified analysis and processing could not be achieved, so the system management level and service quality were greatly reduced, and user complaints followed. increase.

SUMMARY OF THE INVENTION

In order to solve the above problems, the purpose of the present invention is to provide an integrated monitoring and management system for the medium and low voltage distribution network, which can uniformly analyze the real-time information in the medium and low voltage distribution network, integrate the data collected by the system, and improve the system management level and service quality. , reduce user complaints.

The technical scheme adopted by the present invention to solve its problem is:

The integrated monitoring and management system of medium and low voltage distribution network includes data intelligent collection terminal, data transmission module, data processing module, service module and display module. The data transmission module transmits the data to the data processing module, and the data processing module processes the obtained data in real time, generates the data that can be recognized by the system and saves it in the real-time database, and the service module provides the data to the outside world, and generates the power distribution network according to the data. Real-time status and real-time alarm or event records, the display module displays data in the form of images or videos, and provides users with human-computer interaction with management functions.

Further, the data intelligent collection terminal includes one or more of medium voltage terminal, low voltage terminal, JP cabinet, power distribution room camera, temperature and humidity sensor, smoke detector, water immersion sensor, infrared sensor and access control.

Further, the data transmission module includes an optical fiber private network, a power line carrier communication module, a wireless private network and a wireless public network.

Further, the data processing module includes a front-end module and a database, the front-end module includes a front-end computer and a cloud server, and the database includes a real-time database, a historical database and a database service station.

Further, the data processing module performs real-time processing on the obtained data, including regular data storage, static data update and dynamic data processing.

Further, the periodic data storage includes storing the real-time processed data in the real-time database to the historical database.

Further, the static data update includes updating the stored data in the historical database to static data.

Further, dynamic data processing includes multi-source data processing, state quantity processing, analog quantity processing, data quality generation, power failure information processing and alarm information processing.

Further, the service module provides data to the outside world, and displays the real-time status of the power grid according to the data, including displaying the geographical location of power distribution equipment with icons, displaying the wiring diagram of medium and low voltage distribution lines on the basis of geographical location, and displaying power distribution equipment. internal wiring diagram.

Further, the display module provides users with human-computer interaction with management functions, including generating emergency repair work orders according to abnormal events or alarm records, automatically or manually dispatching work orders and circulating them according to the set rules, and performing the equipment ledger in the system. maintain.

The beneficial effects of the present invention are: the integrated monitoring and management system of the medium and low voltage distribution network provided by the present invention can uniformly analyze the real-time information in the medium and low voltage distribution network and integrate the data collected by the system, so it can more accurately grasp the distribution network. It can also eliminate information islands from the data level, save resources, realize comprehensive monitoring of the operation status of the medium and low voltage distribution network, improve the dispatcher's ability to control the medium and low voltage distribution network, and is conducive to reasonable arrangements and formulations The operation mode or maintenance plan of the medium and low voltage distribution network can effectively improve the production management level of dispatchers and the daily work efficiency of emergency repair personnel; therefore, the invention can improve the management level and service quality of the medium and low voltage distribution network system, and reduce user complaints , to realize the development of informatization, automation and interaction of related business of medium and low voltage distribution network, and lay the foundation for the construction of smart grid.

Description of drawings

The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to illustrate the embodiments of the present invention in detail.

Fig. 1 is the structural block diagram of the monitoring and management system of the present invention;

Fig. 2 is the structural block diagram of the data processing module of the present invention;

FIG. 3 is a functional block diagram of the data processing module of the present invention.

Detailed ways

Referring to Figure 1, the integrated monitoring and management system for medium and low voltage distribution networks includes an intelligent data collection terminal, a data transmission module, a data processing module, a service module and a display module. The intelligent data collection terminal will collect the user-end data and power distribution The network data is transmitted to the data processing module through the data transmission module. The data processing module processes the obtained data in real time, generates the cooked data that can be recognized by the system and saves it in the real-time database, and the service module provides the cooked data to the outside world. Generate real-time status of distribution network and real-time alarm or event records, display module displays cooked data in the form of images or videos, and provides users with human-computer interaction with management functions.

Specifically, cooked data, that is, cooked data, refers to the data after the original data has been processed, and the processing includes decompression, organization, or analysis. The essence of the data intelligent collection terminal is the port that provides data, so it can also be replaced by a third-party system that can provide data, such as GIS, PMS, etc. The data collected by the data intelligent collection terminal may be non-electrical data such as video. The electrical data is stored in the file system, and the file system supports full-text retrieval of these non-electrical data; therefore, the invention can improve the management level and service quality of the medium and low voltage distribution network system, reduce user complaints, and realize medium and low voltage power distribution. The development of informatization, automation and interaction of grid-related businesses lays the foundation for the construction of smart grids.

Among them, the data intelligent collection terminal includes one or more of medium voltage terminal, low voltage terminal, JP cabinet, power distribution room camera, temperature and humidity sensor, smoke detector, water immersion sensor, infrared sensor and access control, medium voltage terminal, Low-voltage terminals and JP cabinets are electrical collection equipment with standard protocols, while cameras, temperature and humidity sensors, smoke detectors, water immersion sensors, infrared sensors and access control are non-electrical equipment in the power distribution room; JP cabinets are JP integrated distribution boxes. It is a new type of comprehensive control box that integrates electric energy distribution, measurement, protection, control and reactive power compensation. It is widely used in rural power lines and distribution stations.

Among them, the data transmission module includes optical fiber private network, power line carrier communication module, wireless private network and wireless public network, and optical fiber private network, power line carrier communication module, wireless private network and wireless public network are all commonly used communication and transmission networks in the field; Power line carrier communication module refers to the technology that uses existing power lines to transmit analog or digital signals at high speed through carrier waves.

2, the data processing module includes a front-end module and a database, the front-end module includes a front-end computer and a cloud server, the database includes a real-time database, a historical database, a database service station, and a database distribution station; in the data processing module , the front-end computer uploads the observed initial data through the cloud server, and then processes the obtained data in real time, thereby generating cooked data that can be recognized by the system and saving it in the real-time database. The real-time database serves as a node for temporarily saving data. The historical database serves as a fixed data storage node, and the database service station serves as a business data processing node, which can respond to problems in real-time data processing in a timely manner, and can back up data. In this embodiment, the collected real-time data and the data provided by the third-party system can be released to the outside in accordance with the IEC61968 standard.

3 , the data processing module performs real-time processing on the acquired data, including regular data storage, static data update and dynamic data processing.

Wherein, referring to FIG. 3 , the regular data storage includes storing the real-time processed data in the real-time database to the historical database. Compared with fixed storage, the temporary storage stability is not high, which may cause data loss or destruction. Therefore, the data is stored Going to the historical database is more conducive to the stable preservation of data, and further improves the efficiency of querying and retrieving data.

Among them, referring to FIG. 3, the static data update includes updating the stored data in the historical database to static data. The setting of this function is to make the relevant commands issued by the system more accurate, and the relevant commands are issued according to the data. Compared with Dynamic data, static data is a data stream that has been generated and will no longer change, which is more conducive to the system to identify and judge and issue relevant commands.

3, dynamic data processing includes multi-source data processing, state quantity processing, analog quantity processing, data quality generation, power outage information processing and alarm information processing. Multi-source data processing is to integrate all data together for unified evaluation Processing, state quantity processing is to analyze and process specific parameters in the distribution network recorded or represented by data, such as line load, line temperature, etc., and analog quantity processing is to predict the analog parameters based on the laws of existing parameters. Processing, such as inferring the line load of the next segment according to the line load of the real-time segment, and analyzing and processing the line load of the next segment. Data quality generation is to analyze the real-time data according to the configured inspection rules, and generate quality data. Power outage information processing and alarm information processing are to troubleshoot common sudden faults. Once fault information is generated, alarm information will be issued in time.

Among them, the service module provides data to the outside world, and displays the real-time status of the power grid according to the data, including displaying the geographic location of the power distribution equipment with icons, displaying the wiring diagram of medium and low voltage distribution lines on the basis of the geographic location, and displaying the power distribution equipment. The internal wiring diagram of ;

Specifically, the system of the present invention supports the monitoring and control of power distribution equipment such as power distribution lines, on-column switches and ring network cabinets, as well as electrical equipment such as distribution transformers, low-voltage power distribution cabinets, and low-voltage distribution boxes, and can be grasped in real time. Operating conditions of distribution/electrical equipment such as distribution lines, on-column switches, ring network cabinets, distribution rooms, distribution transformers, low-voltage distribution cabinets, low-voltage distribution boxes and household meters; On the wiring diagram of the electrical circuit, data collection, processing, calculation, statistics and control of various equipment can be realized. At the same time, various abnormal alarms and records can be realized by multimedia methods such as sound, graphics, video, characters and alarm boxes. Real-time information of medium and low voltage, the system can accurately and real-timely determine the fault of medium and low voltage and analyze the scope of affected users. In particular, for some customized alarm information, WeChat, SMS and email can be set to push various forms.

Among them, the display module provides users with human-computer interaction with management functions, including generating emergency repair work orders according to abnormal events or alarm records, automatically or manually dispatching work orders and circulating them according to the set rules, and performing the equipment ledger in the system. Maintenance; the rules for dispatching work orders are set by the power company according to the actual situation, and are not unique. For example, the rules can be set as follows: according to the distance of the power line at the user's alarm location, priority is given to repairing the power line closer to the location, or according to the comparison of various power lines. The number of alarms received by the power line at the place is given priority, and the power line with more alarms is given priority to repair; such a setting well establishes a management mode of human-computer interaction, which is conducive to timely maintenance and emergency repair when a fault is encountered, and can also be regularly repaired. Maintain the equipment ledger to ensure the stability of the system; the display module can not only display the data in the form of images or videos, but also comprehensively display the data in a variety of charts.

The above content has discussed the preferred embodiments and basic principles of the present invention in detail, but the present invention is not limited to the above-mentioned embodiments. Those skilled in the art should understand that there will be various Equivalent modifications and substitutions fall within the scope of the claimed invention.

Claims (6)

1. The integrated monitoring and management system of medium and low voltage power distribution network is characterized in that: comprising a data intelligent collection terminal, a data transmission module, a data processing module, a service module and a display module, and the user terminal collected by the data intelligent collection terminal The data and distribution network data are transmitted to the data processing module through the data transmission module, and the data processing module processes the obtained data in real time, generates cooked data that can be identified by the system and saves it in the real-time database. Provide cooked data to the outside world, and generate real-time distribution network status and real-time alarm or event records according to the cooked data, and the display module displays the cooked data in the form of images or videos and provides users with human-computer interaction with management functions; The data processing module includes a front-end module and a database, the front-end module includes a front-end computer and a cloud server, the database includes a real-time database, a historical database and a database service station, and the data processing module performs real-time on the acquired data. processing, including regular data storage, static data update and dynamic data processing, the static data update includes updating the stored data in the historical database to static data, and the dynamic data processing includes multi-source data processing, state quantity processing, simulation Data quality processing, data quality generation, power outage information processing and alarm information processing. 2 . The integrated monitoring and management system for medium and low voltage distribution networks according to claim 1 , wherein the intelligent data acquisition terminal comprises a medium voltage terminal, a low voltage terminal, a JP cabinet, a camera in a power distribution room, and a temperature and humidity sensor. 3 . , one or more of smoke detectors, flood sensors, infrared sensors, and access control. 3 . The integrated monitoring and management system for medium and low voltage distribution networks according to claim 1 , wherein the data transmission module comprises an optical fiber private network, a power line carrier communication module, a wireless private network and a wireless public network. 4 . 4 . The integrated monitoring and management system for medium and low voltage power distribution networks according to claim 1 , wherein the regular data storage comprises storing the real-time processed data in the real-time database into a historical database. 5 . 5. The integrated monitoring and management system for medium and low voltage distribution networks according to any one of claims 1 to 4, wherein the service module provides the outside world with data, and displays the real-time state of the power grid according to the data, including The icon shows the geographical location of the power distribution equipment, shows the wiring diagram of medium and low voltage distribution lines based on the geographical location, and shows the internal wiring diagram of the power distribution equipment. 6. The integrated monitoring and management system for medium and low voltage distribution networks according to any one of claims 1 to 4, wherein the display module provides users with human-computer interaction with management functions, including according to abnormal events or alarms Record and generate emergency repair work orders, automatically or manually dispatch and transfer work orders according to the set rules, and maintain the equipment ledger in the system.

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