Vacuum circuit breaker for outdoor high-salt-fog environment
By using zinc-nickel alloy and 316L stainless steel materials on outdoor high-voltage circuit breakers, combined with paint baking, tinning and silver plating protection, the problem of insulation aging in high salt spray environment is solved, the corrosion resistance and insulation of the circuit breaker are improved, power supply reliability is ensured and service life is extended.
CN224204027UActive Publication Date: 2026-05-05SHANDONG TAIKAI POWER SWITCH CO LTD
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Patent Information
- Application Number
- CN202520907417.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-09
- Publication Date
- 2026-05-05
- Estimated Expiration
- 2035-05-09
AI Technical Summary
Technical Problem
Existing outdoor high-voltage circuit breakers are prone to insulation aging and intermittent spark discharge caused by salt pollution in high salt spray and high humidity environments, affecting power supply reliability and lifespan.
Method used
The CT19 spring operating mechanism is made of zinc-nickel alloy and 316L stainless steel, and the terminals are protected by paint, tin and silver plating. An electronic dehumidifier is added, and copper secondary wiring terminals are used and treated for moisture and salt spray protection.
Benefits of technology
It effectively prevents the circuit breaker from corroding in high salt spray environments, improves insulation and durability, ensures power supply reliability, and extends service life.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model relates to a circuit breaker, in particular to a vacuum circuit breaker for an outdoor high-salt-fog environment. The vacuum circuit breaker used in the outdoor high-salt-fog environment comprises a support, a rack is installed on the support, three sets of porcelain bushings are installed above the rack, an operation box is connected below the rack, and a CT19 spring operation mechanism is arranged in the operation box, and is characterized in that a lower wire outlet terminal and an upper wire outlet terminal are installed on the porcelain bushings, and a top cover is installed above the upper wire outlet terminal; an electronic moisture-proof box is arranged on the outer side of the operation box, baking varnish layers are arranged on the outer circumferential face and the crimping face of the upper wire outlet terminal, baking varnish layers are arranged on the outer circumferential face of the lower wire outlet terminal, and baking varnish layers are arranged on the upper end face and the outer circumferential face of the top cover. The utility model has the beneficial effects that the corrosion insulation problem of the circuit breaker in high salt mist and high humidity environments such as offshore wind power mainly using new energy such as wind power, photovoltaic and the like can be efficiently, reliably and thoroughly solved.
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