Glue-free conical high-voltage pulse transformer secondary coil and preparation method thereof

By using a glue-free structure and wet-process integrated molding technology to prepare paper-based tubes, the problems of easy discharge and vibration of electromagnetic wires in the secondary coil of conical high-voltage pulse transformers are solved, and the uniform and stable arrangement of electromagnetic wires and operational stability are achieved.

CN122000182APending Publication Date: 2026-05-08NORTHWEST INST OF NUCLEAR TECH
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Patent Information

Application Number
CN202610136517.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-01-30
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

The use of curing adhesive in the secondary coil of existing conical high-voltage pulse transformers makes it easy for discharge to occur between the electromagnetic wires, affecting operational stability. Furthermore, under strong pulse current, vibration can easily occur, leading to wire detachment and displacement.

Method used

The paper base tube is prepared by a wet-process integrated molding process using a glue-free structure, and micro spiral grooves are opened on its outer wall. The electromagnetic wire is embedded in the spiral grooves to form a coil winding layer, thus avoiding the use of curing adhesive.

Benefits of technology

This achieves a uniform and stable arrangement of electromagnetic wires, avoiding uneven electric field and air gaps, and improving the operating stability and vibration resistance of the coil.

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Abstract

The invention discloses a glue-free conical high-voltage pulse transformer secondary coil and a preparation method thereof, and solves the technical problems that electromagnetic wires are easy to discharge due to the adoption of curing glue in the existing conical high-voltage pulse transformer secondary coil, and the operation stability of the secondary coil is poor. The secondary coil is only composed of the paper base cylinder and the coil winding layer, the structure is simpler, the winding process is more convenient, and uncertainty caused by human factors is reduced; the coil winding layer and the miniature spiral wire groove are mutually embedded, so that accurate arrangement, uniformity and stability of electromagnetic wires are realized, no gelling is realized, and the problems of non-uniformity of an electric field and a closed air gap possibly caused by introduction of resin glue and insulation possibly caused by introduction of the resin glue are avoided.
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