A novel dry-type transformer protective shell with detachable rain cover

By designing a detachable rainproof cover for dry-type transformers, the problems of insufficient protection and high transportation and installation costs of traditional dry-type transformers in humid environments are solved. This achieves a combination of high-efficiency protection and economy, improving equipment reliability and operation and maintenance efficiency.

CN224501604UActive Publication Date: 2026-07-14HANGZHOU QIANJIANG ELECTRIC GRP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HANGZHOU QIANJIANG ELECTRIC GRP CO LTD
Filing Date
2025-07-09
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Traditional dry-type transformer protective enclosures are susceptible to rain damage in outdoor or humid environments, affecting the equipment's service life. Furthermore, the integrated structure leads to high transportation and installation costs and low installation efficiency.

Method used

Design a detachable rainproof protective shell for dry-type transformers, including a rainproof top plate, a reinforced upper folded edge, a rainproof bracket, and a shell body. It is made of cold-rolled steel plate with a spray painting process and is connected by fasteners. The split design prevents rainwater intrusion and supports partial disassembly and quick installation.

Benefits of technology

It effectively prevents rainwater intrusion, extends equipment life, reduces transportation and installation costs, improves installation efficiency, reduces maintenance costs, and is suitable for humid environments.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224501604U_ABST
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Abstract

The utility model discloses a novel dry -type transformer protection shell with detachable rain -proof cover, including rain -proof cover roof, reinforced upper flanging, rain -proof cover support and shell main part, the top rear side of rain -proof cover roof is inclined and is arranged to the lower side, the top front side and left and right sides of rain -proof cover roof are provided with reinforced upper flanging respectively, the surface of rain -proof cover roof is evenly provided with antirust coating, the bottom of rain -proof cover roof is fixedly provided with rain -proof cover support, the bottom of rain -proof cover support is detachably connected with shell main part, can be applicable to the protection of dry -type transformer under the humid dripping water environment, balanced the protection performance and practical economy, promoted the reliability and operation and maintenance efficiency of transformer equipment.
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