CN118382902A - 开闭装置 - Google Patents

开闭装置 Download PDF

Info

Publication number
CN118382902A
CN118382902A CN202180104289.XA CN202180104289A CN118382902A CN 118382902 A CN118382902 A CN 118382902A CN 202180104289 A CN202180104289 A CN 202180104289A CN 118382902 A CN118382902 A CN 118382902A
Authority
CN
China
Prior art keywords
contact
opening
closing device
movable
current
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.)
Withdrawn
Application number
CN202180104289.XA
Other languages
English (en)
Chinese (zh)
Inventor
渡边真也
堀田克辉
堀之内克彦
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 CN118382902A publication Critical patent/CN118382902A/zh
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details
    • H01H33/04Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/20Means for extinguishing or preventing arc between current-carrying parts using arcing horns
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details
    • H01H33/04Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/16Impedances connected with contacts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/32Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/38Driving mechanisms, i.e. for transmitting driving force to the contacts using spring or other flexible shaft coupling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details
    • H01H33/26Means for detecting the presence of an arc or other discharge
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details
    • H01H33/04Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/16Impedances connected with contacts
    • H01H33/161Variable impedances
    • H01H2033/163Variable impedances using PTC elements

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Breakers (AREA)
CN202180104289.XA 2021-12-27 2021-12-27 开闭装置 Withdrawn CN118382902A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/048644 WO2023127045A1 (ja) 2021-12-27 2021-12-27 開閉装置

Publications (1)

Publication Number Publication Date
CN118382902A true CN118382902A (zh) 2024-07-23

Family

ID=86998352

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180104289.XA Withdrawn CN118382902A (zh) 2021-12-27 2021-12-27 开闭装置

Country Status (5)

Country Link
US (1) US20250046547A1 (https=)
EP (1) EP4459654A4 (https=)
JP (1) JP7599587B2 (https=)
CN (1) CN118382902A (https=)
WO (1) WO2023127045A1 (https=)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS504996Y1 (https=) * 1969-05-15 1975-02-12
US5805393A (en) 1997-08-29 1998-09-08 Raychem Corporation Overcurrent protection circuit with improved PTC trip endurance
US5899323A (en) * 1998-05-07 1999-05-04 Eaton Corporation Electrical switching apparatus with contact finger guide
JP2013140767A (ja) * 2011-12-07 2013-07-18 Mitsubishi Electric Corp 開閉器
KR101521545B1 (ko) * 2013-10-07 2015-05-19 한국전기연구원 고압 직류 전류 차단 장치 및 방법
WO2017183679A1 (ja) * 2016-04-22 2017-10-26 三菱電機株式会社 回路遮断器の接触子装置、およびこの接触子装置を用いた回路遮断器

Also Published As

Publication number Publication date
EP4459654A1 (en) 2024-11-06
US20250046547A1 (en) 2025-02-06
JPWO2023127045A1 (https=) 2023-07-06
JP7599587B2 (ja) 2024-12-13
EP4459654A4 (en) 2025-02-26
WO2023127045A1 (ja) 2023-07-06

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Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20240723

WW01 Invention patent application withdrawn after publication