KR20250165607A - 개폐기 - Google Patents

개폐기

Info

Publication number
KR20250165607A
KR20250165607A KR1020257032568A KR20257032568A KR20250165607A KR 20250165607 A KR20250165607 A KR 20250165607A KR 1020257032568 A KR1020257032568 A KR 1020257032568A KR 20257032568 A KR20257032568 A KR 20257032568A KR 20250165607 A KR20250165607 A KR 20250165607A
Authority
KR
South Korea
Prior art keywords
switch
fixed contact
movable contact
grid
contact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
KR1020257032568A
Other languages
English (en)
Korean (ko)
Inventor
가즈마 가와하라
가츠키 호타
다츠히로 아베
유타 사가라
Original Assignee
미쓰비시덴키 가부시키가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 미쓰비시덴키 가부시키가이샤 filed Critical 미쓰비시덴키 가부시키가이샤
Publication of KR20250165607A publication Critical patent/KR20250165607A/ko
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/346—Details concerning the arc formation chamber
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/08—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H33/10—Metal parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/36—Metal parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H9/446—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using magnetisable elements associated with the contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02—Details
    • H01H73/18—Means for extinguishing or suppressing arc

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
KR1020257032568A 2023-04-18 2023-04-18 개폐기 Pending KR20250165607A (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2023/015477 WO2024218863A1 (ja) 2023-04-18 2023-04-18 開閉器

Publications (1)

Publication Number Publication Date
KR20250165607A true KR20250165607A (ko) 2025-11-26

Family

ID=93152161

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020257032568A Pending KR20250165607A (ko) 2023-04-18 2023-04-18 개폐기

Country Status (5)

Country Link
EP (1) EP4700816A1 (https=)
JP (1) JPWO2024218863A1 (https=)
KR (1) KR20250165607A (https=)
CN (1) CN120937105A (https=)
WO (1) WO2024218863A1 (https=)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5636815A (en) 1979-08-31 1981-04-10 Matsushita Electric Works Ltd Arc distinguishing device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6064545U (ja) * 1983-10-11 1985-05-08 松下電工株式会社 消弧装置
JPS6381713A (ja) * 1986-09-25 1988-04-12 東芝ライテック株式会社 回路遮断器の消弧装置
JPH05135680A (ja) * 1991-11-11 1993-06-01 Matsushita Electric Works Ltd 消弧装置
CN111146028B (zh) * 2020-01-15 2025-01-28 上海电器科学研究所（集团）有限公司 一种直流接触器触头灭弧系统

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5636815A (en) 1979-08-31 1981-04-10 Matsushita Electric Works Ltd Arc distinguishing device

Also Published As

Publication number Publication date
EP4700816A1 (en) 2026-02-25
CN120937105A (zh) 2025-11-11
WO2024218863A1 (ja) 2024-10-24
JPWO2024218863A1 (https=) 2024-10-24

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P11 Amendment of application requested

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PA0105 International application

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PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

PG1501 Laying open of application

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Q12 Application published

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