Oil level inspection window for oil tank of electromagnetic unit of capacitor voltage transformer

By forming an oil level space and spraying background paint in the oil level observation window seat of the capacitive voltage transformer, the problem of small oil level inspection windows in the prior art and difficulty in observing when the light is poor is achieved, and clearer oil level observation and higher oil storage are achieved.

CN222690474UActive Publication Date: 2025-03-28DALIAN NORTH INSTR TRANSFORMER GROUP
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Patent Information

Application Number
CN202420698105.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-08
Publication Date
2025-03-28
Estimated Expiration
2034-04-08

AI Technical Summary

Technical Problem

The oil level inspection window of the existing capacitive voltage transformer cannot be made very large, and when the lighting conditions are poor, it is difficult for staff to clearly observe the oil level, resulting in difficulty in operating and maintenance.

Method used

A capacitive voltage transformer electromagnetic unit oil tank oil level inspection window is designed. By forming an oil level space in the oil level observation window seat, the amount of oil is increased, and background paint is sprayed on the painted surface of the window back plate to enhance the visibility of the oil level position.

Benefits of technology

By increasing the volume of oil level space, the amount of oil stored greatly increases, which significantly improves the observability of oil level. Especially when the lighting conditions are poor, the staff can observe the oil level more clearly, reducing the troubles of operation and maintenance.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model relates to a capacitance type voltage transformer electromagnetic unit oil tank oil level observation window, which comprises an oil level observation window seat, a window and a window fixing cap, the oil level observation window seat is arranged on an oil tank, a window back plate is arranged on one side of the oil level observation window seat close to the oil tank, a plurality of oil penetrating holes are arranged on the window back plate, and the window fixing cap is arranged on the window back plate. The window fixing cap is arranged on the side, away from an oil tank, of the oil level observation window base in a threaded and sleeved mode, the window is arranged between the oil level observation window base and the window fixing cap, and an oil level space is formed in the space, located between the window back plate and the window, in the oil level observation window base. Oil in the oil tank enters the oil level space through the oil penetrating hole, and an observation opening is formed in the window fixing cap. The oil level space is formed in the oil level observation window seat, and the volume of the oil level space is increased, so that the oil storage amount is increased, and meanwhile, the oil level observation window is more beneficial for a worker to observe the oil level condition under the reflection of the paint spraying surface of the window back plate.
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