Oil-immersed transformer structure

By designing an oil-immersed transformer structure including a transformer box, a heat dissipation component and an oil pillow assembly, the problem of difficult monitoring and easy burning of the contact situation of the voltage regulator switch in the prior art is solved, and an oil-immersed transformer with high structural strength, good stability and fast heat dissipation speed is realized.

CN119724836APending Publication Date: 2025-03-28STATE GRID QINGHAI ELECTRIC POWER CO HAINAN POWER SUPPLY CO +1
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Patent Information

Application Number
CN202411766316.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The existing oil-immersed transformer pressure regulator switch is in the oil tank, making the contact situation difficult to monitor and is easily burned when the load is too large.

Method used

An oil-immersed transformer structure is designed, including a transformer box, a heat dissipation assembly and an oil pillow assembly. The transformer box is equipped with a pressure regulating switch assembly. The heat dissipation assembly improves the heat dissipation effect by strengthening the heat dissipation plate and the fan. The oil pillow assembly ensures normal oil circulation through the oil pillow support frame and oil pipe.

Benefits of technology

The oil-immersed transformer with a simple and compact structure and easy to assemble, improves the strength and stability of the external installation structure of the transformer, enhances the heat dissipation effect, and reduces the risk of burning the voltage regulator switch.

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Abstract

The invention belongs to the technical field of power distribution network transformer structure design, and particularly relates to an oil-immersed transformer structure. Comprising an oil-immersed transformer, a transformer box body for accommodating the oil-immersed transformer, and a heat dissipation assembly and an oil conservator assembly which are arranged on the transformer box body, the transformer box body comprises a shell, a reinforced heat dissipation plate, a wiring plate, an insulation connecting piece and a voltage regulation switch assembly; the heat dissipation assembly comprises a heat dissipation frame, heat dissipation fins, a fan and a flow guide pipe; the oil conservator assembly comprises an oil conservator supporting frame, a transformer oil conservator, an oil pipe, a transformer capsule and a transformer respirator. The external installation structure of the oil-immersed transformer is high in structural strength, good in stability and high in heat dissipation speed, and can be used for installation and use of various horizontal oil-immersed transformers.
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