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1. System background
At present, the inspection of substation equipment in my country mainly relies on inspection personnel to conduct manual inspections on a regular basis. Due to the constraints of climatic conditions, environmental factors, personnel quality and sense of responsibility and other factors, the inspection quality and in-place rate cannot be guaranteed. In summary, there are mainly the following problems:
1) The inspection is not in place, missed, or not on time;
2) Manually filling in the inspection results is inefficient and easy to miss or make mistakes;
3) It is difficult for management personnel to understand the line status in a timely, accurate and comprehensive manner, and it is difficult to formulate the best maintenance and repair plan.
The power equipment inspection system is a basic work to effectively ensure the safety of power equipment, improve the reliability of power equipment, and ensure the minimum failure rate of power equipment. At present, manual inspections and manual paper media recording are commonly used in China. These methods have many defects such as many human factors, high management costs, inability to supervise the work of inspection personnel, and low degree of informationization of inspection secretaries.
2. System introduction
based onRFIDThe introduction of the technical power equipment inspection system has completely changed many problems in the inspection work, which are mainly reflected in the following aspects:
1) There is no need to install any equipment on inspection equipment and power equipment, which greatly reduces the cost of system procurement and maintenance.
2) Effectively ensure the quality of inspection by inspectors, improve the safety and reliability of equipment and electrical equipment, and eliminate potential safety hazards.
3) Adopt wireless network and RFID technology to realize the information management of power equipment inspection work.
According to the actual needs and characteristics of the inspection work, the power equipment handheld terminal inspection system has functions such as route arrangement, data recording, work status supervision, data summary report, etc., and can be seamlessly connected with the existing information system of the power equipment enterprise, effectively Understand and check the working status of patrol inspection, timely discover the defects of the equipment in the store, improve the safety of power equipment and power equipment operation, reduce production and operation costs, improve work efficiency, low cost, light and easy operation, long equipment use time, etc. Significant advantages.
Three, the system process
1) When the inspector is out for inspection, he sends data through the handheld device terminal inspector to report the current inspector’s location, time and other information. If a fault is found, the fault type and device number are combined with the current handheld device The terminal RFID information is sent to the monitoring center.
2) The monitoring center receiver receives the reported information and stores it. The system reads the information received by the receiver through the system, breaks down the time, location, equipment type, and discoverer of the fault, and automatically stores these data information in the database server.
3) The monitoring terminal uses the RFID system to display the inspection status in real time on the software, such as displaying the fault points found by each inspector, the emergency situation of various failures, the processing situation, the current status, and the current status of each inspector at a certain moment. Location and inspection route.
4) RFID tags are affixed to the equipment to be inspected. Through a globally unique identifier, the inspectors must go to the scene to obtain the RFID identification code, thereby restricting the staff’s actual inspection. Ensure the in-place rate of pole tower inspections, and prevent missed inspections and improper inspections.
5) The system can also perform statistics, summary, and analysis of various historical data stored in the database, and display the frequency and object of a certain fault in a certain period of time in the format of various charts or reports for the management personnel to pass. Predictive analysis strengthens management and formulates countermeasures to achieve the purpose of prior control, so as to reduce the accident rate and ensure the smooth progress of safe production.
Four, system characteristics
1) Simple structure, convenient debugging and installation, wide inspection range and strong adaptability;
2) It can transmit information remotely, and can be remotely controlled and group controlled, so that the system can be truly automated and intelligent, and it can be networked with a computer to automatically analyze, calculate and print data records and reports;
3) High reliability, working temperature -40℃~85℃, waterproof and shockproof; suitable for various harsh environment applications such as wind, snow, rain, and fog;
4) High anti-interference: There are few special requirements for various interference sources on site, and the installation is convenient and simple;
5) Ultra-low power consumption: safer and healthier for the human body;
6) Completely automated (no need for human intervention) collection to ensure the accuracy of original data collection;
7) The data in the label is highly confidential, and the electronic label cannot be forged or copied, which fundamentally eliminates the phenomenon of copying, forgery, and cheating.
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