High-voltage and low-voltage switch cabinet operation and maintenance terminal information acquisition system with high stability

Abstract

The invention discloses a high-voltage and low-voltage switch cabinet operation and maintenance terminal information acquisition system with high stability. The system comprises an information acquisition module, an information monitoring module, an information identification module, a database, an information analysis module, a controller, an alarm module and a display terminal. The information monitoring module is arranged to monitor the overload current information in the high-voltage and low-voltage switch cabinet in real time, and the information analysis module is utilized to analyze theoverload current information to obtain the average value of the circuit loss rate and the difference current, so that a worker can check the average value conveniently, and the circuit loss conditionin the switch cabinet can be evaluated in time; whether shutdown is needed for equipment maintenance or not is judged, the time of manual detection is saved, the working efficiency is improved, the working state of each part in the switch cabinet is known in real time by monitoring the opening and closing condition, the temperature condition and the sound condition of a knife switch in the switchcabinet, and the monitoring efficiency is improved. Safety accidents caused by the fact that working states of parts in the cabinet cannot be fed back timely are avoided.

Description

technical field [0001] The invention relates to an information collection system, in particular to a high-voltage and low-voltage switchgear operation and maintenance terminal information collection system with high stability. Background technique [0002] As an important control and key equipment of the substation system, the switchgear plays a decisive role in the safe and reliable operation of the power system. When a large current flows through the switchgear, it is easy to overheat and cause electrical equipment to discharge. In severe cases, accidents such as welding or even fire may occur. On the other hand, the use of switchgear has higher requirements on the environment. Excessive ambient temperature will increase the resistance of conductive metals and intensify surface oxidation. Excessive ambient temperature may also lead to a decrease in the insulation strength of high-voltage insulating devices shortened lifespan. In order to ensure the normal operation of th...

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Problems solved by technology

[0006] (1) How to monitor the overload current information in the high and low switchgear in real time by setting the information monitoring module, and use the information analysis module to analyze and obtain the average value of the circuit loss rate and the difference current, so as to solve the problem of lack of control in the existing technology The monitoring of the overload current inside the switchgear leads to insufficient understanding of the circuit loss;

[0007] (2) How to monitor the opening and closing conditions, temperature conditions and sound conditions of the knife switch in the switch cabinet to understand the working status of each component in the switch cabinet in real time, so as to solve the problem that the working status of the components in the cabinet cannot be given timely feedback in the prior art causing safety incidents

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