Monitoring and early warning device applied to temperature of power transformer

By combining a lifting mechanism and a temperature sensor, the problems of inaccurate and unstable temperature monitoring of power transformers are solved, enabling real-time accurate early warning and stable detection, ensuring safe operation of the equipment and extending its service life.

CN224286157UActive Publication Date: 2026-05-26NANJING GUANGYUTONG TECH CO LTD
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Patent Information

Application Number
CN202520814006.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-27
Publication Date
2026-05-26
Estimated Expiration
2035-04-27

AI Technical Summary

Technical Problem

In existing technologies, temperature monitoring of power transformers is not accurate enough, which leads to a high risk of insulation aging, partial discharge and short circuit explosion, and the instability of temperature detection affects the safe operation and lifespan of the equipment.

Method used

A monitoring and early warning device including a lifting mechanism and a temperature sensor was designed. The lifting mechanism drives the sensing element to contact the inside of the power transformer box. Combined with the processor module, it realizes real-time temperature monitoring and early warning. The spring structure ensures that the sensing element maintains stable contact when the transformer shakes.

Benefits of technology

It enables accurate monitoring and stable early warning of power transformer temperature, reduces equipment failure risk, extends service life, and improves the stability of temperature detection.

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Abstract

The utility model discloses a monitoring and early warning device applied to the temperature of a power transformer, which relates to the technical field of power transformers and comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a shell, the top of the shell is fixedly connected with a top plate, and the lower surface of the top plate is fixedly provided with a lifting mechanism. The output end of the lifting mechanism is fixedly connected with a monitoring mechanism, the lifting mechanism is used for adjusting the lifting position of the monitoring mechanism, the detection end of the bottom end of the monitoring mechanism penetrates through and extends to the outside of the bottom plate, and a processor module is fixedly installed in the bottom plate. The sensing element is used for detecting the temperature conducted by the clamping piece on the interior of the box body of the power transformer; and meanwhile, the temperature sensor is externally connected with the processor module, the temperature sensor transmits a detected temperature signal to the processor module, and a wireless communication module in the processor module transmits the detected temperature signal to an application end, so that the temperature of the transformer can be monitored in real time and accurate early warning can be realized.
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