CN120937105A - 开闭器 - Google Patents

开闭器

Info

Publication number
CN120937105A
CN120937105A CN202380097129.6A CN202380097129A CN120937105A CN 120937105 A CN120937105 A CN 120937105A CN 202380097129 A CN202380097129 A CN 202380097129A CN 120937105 A CN120937105 A CN 120937105A
Authority
CN
China
Prior art keywords
fixed contact
movable contact
shutter
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
CN202380097129.6A
Other languages
English (en)
Chinese (zh)
Inventor
河原和马
窟田克辉
阿部达广
相良雄大
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of CN120937105A publication Critical patent/CN120937105A/zh
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)
CN202380097129.6A 2023-04-18 2023-04-18 开闭器 Pending CN120937105A (zh)

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
CN120937105A true CN120937105A (zh) 2025-11-11

Family

ID=93152161

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380097129.6A Pending CN120937105A (zh) 2023-04-18 2023-04-18 开闭器

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=)

Family Cites Families (5)

* 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
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

Also Published As

Publication number Publication date
EP4700816A1 (en) 2026-02-25
KR20250165607A (ko) 2025-11-26
WO2024218863A1 (ja) 2024-10-24
JPWO2024218863A1 (https=) 2024-10-24

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