EP4266340A1 - Améliorations de relais magnétiques - Google Patents

Améliorations de relais magnétiques Download PDF

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Publication number
EP4266340A1
EP4266340A1 EP22169435.9A EP22169435A EP4266340A1 EP 4266340 A1 EP4266340 A1 EP 4266340A1 EP 22169435 A EP22169435 A EP 22169435A EP 4266340 A1 EP4266340 A1 EP 4266340A1
Authority
EP
European Patent Office
Prior art keywords
magnetic
yoke plates
magnetic material
yoke
armature
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Withdrawn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
EP22169435.9A
Other languages
German (de)
English (en)
Inventor
Hichem Chetouani
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.)
ABB Schweiz AG
Original Assignee
ABB Schweiz AG
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 ABB Schweiz AG filed Critical ABB Schweiz AG
Priority to EP22169435.9A priority Critical patent/EP4266340A1/fr
Publication of EP4266340A1 publication Critical patent/EP4266340A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/163—Details concerning air-gaps, e.g. anti-remanence, damping, anti-corrosion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/081—Magnetic constructions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/121—Guiding or setting position of armatures, e.g. retaining armatures in their end position
    • H01F7/122—Guiding or setting position of armatures, e.g. retaining armatures in their end position by permanent magnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/127—Assembling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H49/00—Apparatus or processes specially adapted to the manufacture of relays or parts thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/36—Stationary parts of magnetic circuit, e.g. yoke
    • 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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/32—Electromagnetic mechanisms having permanently magnetised part
    • H01H71/321—Electromagnetic mechanisms having permanently magnetised part characterised by the magnetic circuit or active magnetic elements
    • H01H71/323—Electromagnetic mechanisms having permanently magnetised part characterised by the magnetic circuit or active magnetic elements with rotatable armature

Definitions

  • the present invention provides a method for manufacturing a magnetic relay for low-voltage electric systems, according to the following claim 1 and the related dependent claims.
  • the insulating housing 2 comprises (preferably at the base portion 2B) an access port 20, through which it is possible to access the internal volume 3 of the semi-finished structure.
  • the access port 20 can be suitably exploited for introducing a suitable process tool in the internal volume 3.
  • the semi-finished structure 1 comprises mechanical biasing means 12 mechanically coupled to the magnetic armature 8.
  • the permanent magnet 9 in the semi-finished structure 1, is initially in a demagnetized condition. In this case, the permanent magnet 9 is brought in a magnetized condition at a later stage.
  • a suitable magnetization tool 51 of known type e.g. a magnetization coil
  • FIG. 7 A suitable magnetization tool 51 of known type (e.g. a magnetization coil) may be used for this purpose ( figure 7 ).
  • the actuation coil 10 includes a support structure 10A made of electrically insulating material, which is conveniently mounted on the U-shaped end 6C of the yoke plate 6, and an electrical winding 10B wound around said support structure ( figure 3 ).
  • the magnetic reluctance of the magnetic circuit 4, 8 is tuned through the arrangement of the magnetic material 9, until target electrical parameters are reached.
  • the magnetic reluctance of the magnetic circuit 4, 8 is tuned through the arrangement of the magnetic material M, until a trip event of the magnetic relay is achieved.
  • the above-mentioned components of the magnetic relay 100 can be realized in practice as illustrated above in connection to the semi-finished structure 1.
  • the magnetic relays of the invention show a reduced spread of their electrical parameters (in particular input impedance, trip power) compared to the traditional devices of the state of the art.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnets (AREA)
EP22169435.9A 2022-04-22 2022-04-22 Améliorations de relais magnétiques Withdrawn EP4266340A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22169435.9A EP4266340A1 (fr) 2022-04-22 2022-04-22 Améliorations de relais magnétiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22169435.9A EP4266340A1 (fr) 2022-04-22 2022-04-22 Améliorations de relais magnétiques

Publications (1)

Publication Number Publication Date
EP4266340A1 true EP4266340A1 (fr) 2023-10-25

Family

ID=81346239

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22169435.9A Withdrawn EP4266340A1 (fr) 2022-04-22 2022-04-22 Améliorations de relais magnétiques

Country Status (1)

Country Link
EP (1) EP4266340A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4625464A1 (fr) 2024-03-28 2025-10-01 Hager-Electro Sas Procédé de traitement de surface d'une armature de déclencheur électromagnétique, armature et déclencheur électromagnétique associés

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6276122A (ja) * 1985-09-27 1987-04-08 オムロン株式会社 電磁継電器の製造方法
DE8801399U1 (de) * 1988-02-04 1988-04-28 Siemens AG, 1000 Berlin und 8000 München Haltemagnet-Relais
EP0829896A2 (fr) 1996-09-12 1998-03-18 CMC Carl Maier + Cie AG Déclencheur magnétique en particulier pour un disjoncteur différentiel
WO2012169975A1 (fr) * 2011-06-06 2012-12-13 Eti Elektroelement D.D. Relais électromécanique à culasse améliorée, en particulier relais pour l'interruption d'un circuit électrique dans le cas d'un courant différentiel, et interrupteur comprenant un tel relais

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6276122A (ja) * 1985-09-27 1987-04-08 オムロン株式会社 電磁継電器の製造方法
DE8801399U1 (de) * 1988-02-04 1988-04-28 Siemens AG, 1000 Berlin und 8000 München Haltemagnet-Relais
EP0829896A2 (fr) 1996-09-12 1998-03-18 CMC Carl Maier + Cie AG Déclencheur magnétique en particulier pour un disjoncteur différentiel
WO2012169975A1 (fr) * 2011-06-06 2012-12-13 Eti Elektroelement D.D. Relais électromécanique à culasse améliorée, en particulier relais pour l'interruption d'un circuit électrique dans le cas d'un courant différentiel, et interrupteur comprenant un tel relais

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4625464A1 (fr) 2024-03-28 2025-10-01 Hager-Electro Sas Procédé de traitement de surface d'une armature de déclencheur électromagnétique, armature et déclencheur électromagnétique associés

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