EP3958283C0 - Electromagnetic relay capable of resisting short-circuit current - Google Patents

Electromagnetic relay capable of resisting short-circuit current

Info

Publication number
EP3958283C0
EP3958283C0 EP21275109.3A EP21275109A EP3958283C0 EP 3958283 C0 EP3958283 C0 EP 3958283C0 EP 21275109 A EP21275109 A EP 21275109A EP 3958283 C0 EP3958283 C0 EP 3958283C0
Authority
EP
European Patent Office
Prior art keywords
circuit current
electromagnetic relay
relay capable
resisting short
resisting
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.)
Active
Application number
EP21275109.3A
Other languages
German (de)
French (fr)
Other versions
EP3958283A2 (en
EP3958283A3 (en
EP3958283B1 (en
Inventor
Feifei Fu
Yiqing Zhu
Zhonghua Tan
Jinqiang Liu
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 Electroacoustic Co Ltd
Original Assignee
Xiamen Hongfa Electroacoustic 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
Application filed by Xiamen Hongfa Electroacoustic Co Ltd filed Critical Xiamen Hongfa Electroacoustic Co Ltd
Publication of EP3958283A2 publication Critical patent/EP3958283A2/en
Publication of EP3958283A3 publication Critical patent/EP3958283A3/en
Application granted granted Critical
Publication of EP3958283C0 publication Critical patent/EP3958283C0/en
Publication of EP3958283B1 publication Critical patent/EP3958283B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/56—Contact spring sets
    • H01H50/58—Driving arrangements structurally associated therewith; Mounting of driving arrangements on armature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • H01H1/54—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
    • H01H50/041—Details concerning assembly of relays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H01H50/24—Parts rotatable or rockable outside coil
    • H01H50/26—Parts movable about a knife edge
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
    • H01H1/26—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting with spring blade support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/14—Terminal arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/60—Contact arrangements moving contact being rigidly combined with movable part of magnetic circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H01H50/648—Driving arrangements between movable part of magnetic circuit and contact intermediate part being rigidly combined with armature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/02—Non-polarised relays
    • H01H51/04—Non-polarised relays with single armature; with single set of ganged armatures
    • H01H51/06—Armature is movable between two limit positions of rest and is moved in one direction due to energisation of an electromagnet and after the electromagnet is de-energised is returned by energy stored during the movement in the first direction, e.g. by using a spring, by using a permanent magnet, by gravity

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Emergency Protection Circuit Devices (AREA)
EP21275109.3A 2020-08-20 2021-08-11 Electromagnetic relay capable of resisting short-circuit current Active EP3958283B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010844938.7A CN112086319A (en) 2020-08-20 2020-08-20 Electromagnetic relay capable of resisting short-circuit current

Publications (4)

Publication Number Publication Date
EP3958283A2 EP3958283A2 (en) 2022-02-23
EP3958283A3 EP3958283A3 (en) 2022-06-22
EP3958283C0 true EP3958283C0 (en) 2023-12-13
EP3958283B1 EP3958283B1 (en) 2023-12-13

Family

ID=73729521

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21275109.3A Active EP3958283B1 (en) 2020-08-20 2021-08-11 Electromagnetic relay capable of resisting short-circuit current

Country Status (2)

Country Link
EP (1) EP3958283B1 (en)
CN (1) CN112086319A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7555026B2 (en) * 2021-01-06 2024-09-24 パナソニックＩｐマネジメント株式会社 Electromagnetic Relay
CN115798995B (en) * 2022-12-15 2024-03-15 浙江广威电子有限公司 Magnetic latching relay convenient to overhaul
CN117238725B (en) * 2023-11-16 2024-03-26 东莞市元则电器有限公司 High-voltage direct-current relay

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101313676B1 (en) * 2009-02-04 2013-10-02 클로디 엘엘씨 Electromagnetic relay assembly
US7990239B2 (en) * 2009-05-08 2011-08-02 M&Fc Holding, Llc Electricity meter contact arrangement
CN102903576B (en) * 2012-10-27 2015-06-03 东莞市三友联众电器有限公司 Reed switch assembly of magnetic latching relay
CN106504949A (en) * 2016-11-25 2017-03-15 厦门宏发电力电器有限公司 A kind of magnetic latching relay that can resist short circuit current flow
CN210182306U (en) * 2019-08-06 2020-03-24 漳州宏发电声有限公司 Electromagnetic relay with auxiliary contact
CN212461542U (en) * 2020-08-20 2021-02-02 厦门宏发电声股份有限公司 Electromagnetic relay for resisting short-circuit current

Also Published As

Publication number Publication date
EP3958283A2 (en) 2022-02-23
CN112086319A (en) 2020-12-15
EP3958283A3 (en) 2022-06-22
EP3958283B1 (en) 2023-12-13

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