EP4181166A4 - Circuit breaker - Google Patents

Circuit breaker

Info

Publication number
EP4181166A4
EP4181166A4 EP21838257.0A EP21838257A EP4181166A4 EP 4181166 A4 EP4181166 A4 EP 4181166A4 EP 21838257 A EP21838257 A EP 21838257A EP 4181166 A4 EP4181166 A4 EP 4181166A4
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
breaker
circuit
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
EP21838257.0A
Other languages
German (de)
French (fr)
Other versions
EP4181166A1 (en
Inventor
Xinde Lin
Yaoguo Lin
Yingbo Wang
Weijie Huang
Mo Chen
Jianghai Zhuo
Jinquan Zhang
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.)
Xiamen Hongfa Electrical Safety and Controls Co Ltd
Original Assignee
Xiamen Hongfa Electrical Safety and Controls Co Ltd
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
Priority claimed from CN202010663860.9A external-priority patent/CN111834163A/en
Priority claimed from CN202010663853.9A external-priority patent/CN111834162A/en
Priority claimed from CN202010664900.1A external-priority patent/CN111834164A/en
Priority claimed from CN202011047837.3A external-priority patent/CN112071683A/en
Priority claimed from CN202110004264.4A external-priority patent/CN112786344A/en
Application filed by Xiamen Hongfa Electrical Safety and Controls Co Ltd filed Critical Xiamen Hongfa Electrical Safety and Controls Co Ltd
Publication of EP4181166A1 publication Critical patent/EP4181166A1/en
Publication of EP4181166A4 publication Critical patent/EP4181166A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/522—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism
    • H01H71/525—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism comprising a toggle between cradle and contact arm and mechanism spring acting between handle and toggle knee
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0207—Mounting or assembling the different parts of the circuit breaker
    • 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
    • H01H9/302—Means for extinguishing or preventing arc between current-carrying parts wherein arc-extinguishing gas is evolved from stationary 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
    • H01H9/362—Mounting of plates in arc chamber
    • 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
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/1009—Interconnected mechanisms
    • 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
    • H01H9/342—Venting arrangements for arc chutes
    • 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
    • H01H9/46—Means for extinguishing or preventing arc between current-carrying parts using arcing horns
EP21838257.0A 2020-07-10 2021-07-09 Circuit breaker Pending EP4181166A4 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN202010663860.9A CN111834163A (en) 2020-07-10 2020-07-10 Circuit breaker
CN202010663853.9A CN111834162A (en) 2020-07-10 2020-07-10 Circuit breaker
CN202010664900.1A CN111834164A (en) 2020-07-10 2020-07-10 Circuit breaker
CN202011047837.3A CN112071683A (en) 2020-09-29 2020-09-29 Arc extinguishing system and breaking device with same
CN202110004264.4A CN112786344A (en) 2021-01-04 2021-01-04 Arc extinguishing system and breaking device with same
PCT/CN2021/105581 WO2022007962A1 (en) 2020-07-10 2021-07-09 Circuit breaker

Publications (2)

Publication Number Publication Date
EP4181166A1 EP4181166A1 (en) 2023-05-17
EP4181166A4 true EP4181166A4 (en) 2024-01-17

Family

ID=79552274

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21838257.0A Pending EP4181166A4 (en) 2020-07-10 2021-07-09 Circuit breaker

Country Status (2)

Country Link
EP (1) EP4181166A4 (en)
WO (1) WO2022007962A1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205282331U (en) 2016-01-08 2016-06-01 常熟开关制造有限公司(原常熟开关厂） Low -voltage circuit breaker arc -Quenching system
DE102017202370B4 (en) * 2017-02-15 2022-01-20 Siemens Aktiengesellschaft Arc quenching device, electromechanical protective switching device and manufacturing process
CN113593977B (en) 2018-06-15 2022-04-08 上海电器科学研究所（集团）有限公司 Optimized circuit breaker layout structure
CN111834164A (en) * 2020-07-10 2020-10-27 厦门宏发开关设备有限公司 Circuit breaker
CN111834162A (en) * 2020-07-10 2020-10-27 厦门宏发开关设备有限公司 Circuit breaker
CN111834161A (en) * 2020-07-10 2020-10-27 厦门宏发开关设备有限公司 Circuit breaker
CN111834163A (en) * 2020-07-10 2020-10-27 厦门宏发开关设备有限公司 Circuit breaker

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
EP4181166A1 (en) 2023-05-17
WO2022007962A1 (en) 2022-01-13

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Legal Events

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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
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A4 Supplementary search report drawn up and despatched

Effective date: 20231215

RIC1 Information provided on ipc code assigned before grant

Ipc: H01H 33/666 20060101ALI20231211BHEP

Ipc: H01H 33/664 20060101AFI20231211BHEP