Solder assembly for a switching device and switching device

By using a metal frame assembly combining flexible and rigid frames in the switching device, welding stress is absorbed, solving the problem of reliable sealing connection during the welding of ceramic components, and improving the sealing performance and reliability of the relay.

CN224536901UActive Publication Date: 2026-07-21XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD
Filing Date
2025-06-20
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

In switching devices such as relays and vacuum interrupters, ceramic components are easily affected by stress when welded to metal components, which leads to a decrease in the reliability of the sealed connection and affects the reliability and lifespan of the device.

Method used

A metal frame assembly is used, in which at least one frame piece is a flexible frame piece that can deform to absorb welding stress, combined with a rigid frame piece to support the ceramic component, forming a surrounding arrangement to improve the reliability of the sealing connection.

Benefits of technology

By absorbing welding stress through flexible frames, the risk of cracking in ceramic components is reduced, the reliability of sealing connections and assembly stability are improved, and the overall sealing performance and reliability of the device are enhanced.

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Abstract

The application relates to a welding assembly of a switching device and the switching device, the welding assembly comprising a ceramic part and a metal frame assembly, the ceramic part comprising a connecting end, the metal frame assembly comprising at least two frame pieces, and at least one of the frame pieces being a flexible frame piece; the frame pieces are all welded with the connecting end, wherein the flexible frame piece is sealedly welded with the connecting end, and the flexible frame piece can be deformed to absorb welding stress. The welding assembly of the switching device and the switching device, the metal frame assembly comprises at least two frame pieces, the frame pieces are all connected with the connecting end of the ceramic part, so that the ceramic part can be stably supported; since at least one of the frame pieces is a flexible frame piece, the flexible frame piece is sealedly welded with the connecting end, and can be deformed to absorb welding stress, so that the welding stress of the ceramic part can be reduced by using the flexible frame piece, and the sealing connection reliability of the flexible frame piece and the ceramic part is improved.
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