WO2022091574A1 - Relais électromagnétique - Google Patents

Relais électromagnétique Download PDF

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Publication number
WO2022091574A1
WO2022091574A1 PCT/JP2021/032332 JP2021032332W WO2022091574A1 WO 2022091574 A1 WO2022091574 A1 WO 2022091574A1 JP 2021032332 W JP2021032332 W JP 2021032332W WO 2022091574 A1 WO2022091574 A1 WO 2022091574A1
Authority
WO
WIPO (PCT)
Prior art keywords
movable contact
fixed
arc guide
contact piece
arc
Prior art date
Application number
PCT/JP2021/032332
Other languages
English (en)
Japanese (ja)
Inventor
航平 大塚
亮太 箕輪
直樹 川口
Original Assignee
オムロン株式会社
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 オムロン株式会社 filed Critical オムロン株式会社
Publication of WO2022091574A1 publication Critical patent/WO2022091574A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic 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
    • H01H50/36—Stationary parts of magnetic circuit, e.g. yoke
    • H01H50/38—Part of main magnetic circuit shaped to suppress arcing between the contacts of the relay
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • 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

Definitions

  • the present invention relates to an electromagnetic relay.
  • the electromagnetic relay disclosed in Patent Document 1 includes an arc guide (arc horn).
  • the arc guide is connected to a movable contact piece and extends away from the fixed terminal. The arc generated between the contacts is quickly extinguished by extending along the arc guide.
  • An object of the present disclosure is to reduce the arc length required to extinguish an arc in an electromagnetic relay.
  • the electromagnetic relay includes a fixed terminal, a fixed contact, a movable contact piece, a movable contact, a drive device, and a first arc guide.
  • the fixed contacts are connected to the fixed terminals.
  • the movable contact faces the fixed contact and is connected to the movable contact piece.
  • the drive device moves the movable contact piece between the closed position and the open position.
  • the movable contact piece is in the closed position and the movable contact contacts the fixed contact.
  • the movable contact piece is in the open position, and the movable contact is separated from the fixed contact.
  • the first arc guide is connected to a fixed terminal or a movable contact piece.
  • the first arc guide is made of the first material.
  • the first material has a higher electrical resistance than the fixed terminal to which the first arc guide is connected or the movable contact piece.
  • the first arc guide is formed of a fixed terminal to which the first arc guide is connected or a first material having a higher electric resistance than a movable contact piece. Therefore, when the starting point of the arc moves to the arc guide, the arc current drops. As a result, the arc length required for arc extinguishing is shortened.
  • the first arc guide may extend in the first direction.
  • the first direction may be the direction in which the Lorentz force acts on the arc due to the current flowing between the movable contact and the fixed contact. In this case, the Lorentz force moves the starting point of the arc to the first arc guide.
  • the first arc guide may be connected to a fixed terminal.
  • the first arc guide may include a first portion and a second portion.
  • the first portion may extend from the fixed terminal in the first direction.
  • the second portion may extend from the first portion in the second direction.
  • the second direction may be the direction from the movable contact to the fixed contact. In this case, the starting point of the arc passes through the first portion and moves to the second portion. Then, the arc is extended in the second part. As a result, the arc is quickly extinguished.
  • the second portion may be inclined with respect to the second direction so as to be away from the fixed contact toward the second direction. In this case, the arc is extended in the second part. As a result, the arc is quickly extinguished.
  • the first arc guide may be connected to a movable contact piece.
  • the first arc guide may include a third portion and a fourth portion.
  • the third portion may extend in the first direction from the movable contact piece.
  • the fourth portion may extend from the third portion in the third direction.
  • the third direction may be the direction from the fixed contact to the movable contact. In this case, the starting point of the arc passes through the third part and moves to the fourth part. Then, the arc is extended in the fourth part. As a result, the arc is quickly extinguished.
  • the fourth part may be inclined with respect to the third direction so as to be away from the movable contact toward the third direction. In this case, the arc is extended in the fourth part. As a result, the arc is quickly extinguished.
  • the movable contact piece may include a first surface and a second surface.
  • the first surface may face the fixed contact.
  • the second surface may be located on the opposite side of the first surface.
  • the first arc guide may be connected to the second surface. In this case, the starting point of the arc moves toward the second surface to reach the first arc guide. As a result, the arc current is reduced and the arc length required for extinguishing the arc is shortened.
  • the first arc guide may be arranged at a position different from the energization path.
  • the energization path may pass through a fixed terminal, a fixed contact, a movable contact, and a movable contact piece. In this case, the influence of the first arc guide on the electrical resistance of the energization path is suppressed. As a result, a decrease in the energization capacity of the electromagnetic relay can be suppressed.
  • the first arc guide may be connected to a fixed terminal.
  • the first material may have a higher electrical resistance than the fixed terminal.
  • the electromagnetic relay may further include a second arc guide.
  • the second arc guide may be connected to the movable contact piece.
  • the second arc guide may be made of a second material having a higher electrical resistance than the movable contact piece. In this case, the arc current is further reduced by the first arc guide and the second arc guide. As a result, the arc length required for arc extinguishing is further shortened.
  • the arc length required to extinguish an arc can be shortened.
  • FIG. 3 is a sectional view taken along line III-III in FIG. It is an enlarged view of a fixed terminal and a movable contact piece. It is an enlarged view of the fixed terminal and the movable contact piece which concerns on 1st modification. It is an enlarged view of the fixed terminal and the movable contact piece which concerns on the 2nd modification. It is an enlarged view of the fixed terminal and the movable contact piece which concerns on 3rd modification. It is an enlarged view of the fixed terminal and the movable contact piece which concerns on 4th modification. It is an enlarged view of the fixed terminal and the movable contact piece which concerns on 5th modification. It is a figure which shows the electromagnetic relay which concerns on other embodiment.
  • FIG. 1 is a front sectional view of the electromagnetic relay 1.
  • the electromagnetic relay 1 includes a housing 2, a contact device 3, and a drive device 4.
  • the housing 2 is made of an insulating material such as resin. However, the housing 2 may be made of another material such as ceramic.
  • the contact device 3 is housed in the housing 2.
  • the contact device 3 includes a first fixed terminal 6, a second fixed terminal 7, a movable contact piece 8, a movable mechanism 9, a first fixed contact 10, a second fixed contact 11, and a first movable contact 12. , The second movable contact 13 and the like.
  • the direction from the first movable contact 12 to the first fixed contact 10 is defined as "downward” in the following description. "Down” is an example of the second direction.
  • the third direction from the first fixed contact 10 to the first movable contact 12 is defined as "upward”. "Upper” is an example of the third direction.
  • the direction in which the movable contact piece 8 extends is defined as the left-right direction.
  • the direction from the second fixed contact 11 to the first fixed contact 10 is defined as the left side.
  • the direction from the first fixed contact 10 to the second fixed contact 11 is defined as the right side.
  • the first fixed terminal 6, the second fixed terminal 7, the movable contact piece 8, the first fixed contact 10, the second fixed contact 11, the first movable contact 12, and the second movable contact 13 are conductive. It is made of a material having sex.
  • the first fixed terminal 6, the second fixed terminal 7, and the movable contact piece 8 are made of a metal material known as a terminal material such as phosphor bronze, beryllium copper, brass, or tough pitch copper.
  • the first fixed terminal 6, the second fixed terminal 7, and the movable contact piece 8 may be made of different materials.
  • the first fixed contact 10, the second fixed contact 11, the first movable contact 12, and the second movable contact 13 are made of a metal material known as a contact material such as a copper-based metal or a silver-based metal.
  • the first fixed terminal 6 and the second fixed terminal 7 extend in the vertical direction.
  • the first fixed terminal 6 and the second fixed terminal 7 are arranged so as to be spaced apart from each other in the left-right direction.
  • the first fixed contact 10 is connected to the first fixed terminal 6.
  • a second fixed contact 11 is connected to the second fixed terminal 7.
  • the first fixed contact 10 and the second fixed contact 11 are arranged in the housing 2.
  • the movable contact piece 8 is arranged in the housing 2.
  • the first movable contact 12 and the second movable contact 13 are connected to the movable contact piece 8.
  • the first movable contact 12 faces the first fixed contact 10.
  • the second movable contact 13 faces the second fixed contact 11.
  • the first movable contact 12 is arranged at a distance from the second movable contact 13 in the left-right direction.
  • the movable contact piece 8 can move up and down.
  • the movable contact piece 8 can move between the closed position and the open position.
  • the movable contact piece 8 is in the open position, and the movable contacts 12 and 13 are separated from the fixed contacts 10 and 11.
  • the movable contact piece 8 is in the closed position, and the movable contacts 12 and 13 are in contact with the fixed contacts 10 and 11.
  • the direction in which the movable contacts 12 and 13 approach the fixed contacts 10 and 11 is defined as the contact direction.
  • the direction in which the movable contacts 12 and 13 are separated from the fixed contacts 10 and 11 is defined as the opening direction.
  • the movable mechanism 9 supports the movable contact piece 8.
  • the movable mechanism 9 includes a drive shaft 15 and a contact spring 16.
  • the drive shaft 15 is connected to the movable contact piece 8.
  • the drive shaft 15 extends in the vertical direction and penetrates the movable contact piece 8 in the vertical direction.
  • the drive shaft 15 is provided so as to be movable in the vertical direction.
  • the contact spring 16 urges the movable contact piece 8 toward the contact direction.
  • the drive device 4 includes a coil 21, a spool 22, a movable iron core 23, a fixed iron core 24, a yoke 25, and a return spring 26.
  • the drive device 4 moves the movable contact piece 8 between the open position and the closed position via the movable mechanism 9 by an electromagnetic force.
  • the coil 21 is wound around the spool 22.
  • the movable core 23 and the fixed core 24 are arranged in the spool 22.
  • the movable iron core 23 is connected to the drive shaft 15.
  • the movable iron core 23 is movable in the vertical direction.
  • the fixed iron core 24 is arranged so as to face the movable iron core 23.
  • the return spring 26 urges the movable iron core 23 in the opening direction.
  • the movable iron core 23 is attracted to the fixed core 24 by the magnetic force generated by the magnetic field generated from the coil 21.
  • the movable iron core 23 and the drive shaft 15 move in the contact direction against the urging force of the return spring 26.
  • the movable contact piece 8 moves to the closed position shown in FIG. 2, and the movable contacts 12 and 13 come into contact with the fixed contacts 10 and 11.
  • the drive shaft 15 further moves in the contact direction, so that the contact spring 16 is compressed.
  • FIG. 3 is a sectional view taken along line III-III in FIG.
  • the electromagnetic relay 1 includes magnets 27 and 28.
  • the magnets 27 and 28 are permanent magnets. However, one of the magnets 27 and 28 may be a yoke.
  • the magnets 27 and 28 are arranged around the housing 2. The magnets 27 and 28 are arranged so that the starting point of the arc generated at the contacts 10-13 is moved in a predetermined direction by a magnetic force.
  • the magnets 27 and 28 generate a magnetic field in the housing 2.
  • the dashed arrow indicates the direction of the magnetic field. Due to this magnetic field, the first Lorentz force F1 acts on the arc generated in the first fixed contact 10 and the first movable contact 12. As a result, the starting point of the arc moves in the direction of the first Lorentz force F1. Further, the arc is extended in the direction of the first Lorentz force F1. Similarly, the Lorentz force F2 acts on the arc generated in the second fixed contact 11 and the second movable contact 13. As a result, the starting point of the arc moves in the direction of the Lorentz force F2. Further, the arc is extended in the direction of the Lorentz force F2. In FIG.
  • arrows F1 and F2 indicate the Lorentz force when a current flows from the first fixed terminal 6 to the second fixed terminal 7 via the movable contact piece 8.
  • the first Lorentz force F1 faces to the left.
  • the direction of the first Lorentz force F1, that is, "left” is an example of the first direction.
  • the Lorentz force F2 is facing to the right.
  • FIG. 4 is an enlarged view of the first fixed terminal 6, the second fixed terminal 7, and the movable contact piece 8.
  • the electromagnetic relay 1 includes a first arc guide 31, a second arc guide 32, a third arc guide 33, and a fourth arc guide 34.
  • the broken line indicates an arc.
  • the first to fourth arc guides 31-34 are made of different materials from the first fixed terminal 6, the second fixed terminal 7, and the movable contact piece 8.
  • the first to fourth arc guides 31-34 are formed of a first material having a higher electrical resistance than the first fixed terminal 6, the second fixed terminal 7, and the movable contact piece 8.
  • the first material is either a copper nickel alloy, a copper manganese alloy, nickel chromium, iron chromium, or sus304. These materials have higher volume and lower efficiency than the terminal materials described above.
  • the 1st to 4th arc guides 31-34 are arranged at positions different from the energization path R1.
  • the energization path R1 is a path of electric current passing through the fixed terminals 6 and 7, the fixed contacts 10 and 11, the movable contacts 12 and 13, and the movable contact piece 8.
  • the first to fourth arc guides 31-34 are arranged outside the energization path R1 in the left-right direction.
  • the first arc guide 31 is connected to the first fixed terminal 6.
  • the first arc guide 31 has a bent shape.
  • the first arc guide 31 includes a first portion 35 and a second portion 36.
  • the first portion 35 extends from the first fixed terminal 6 to the left, that is, in the direction of the first Lorentz force F1.
  • the second portion 36 extends upward from the first portion 35.
  • the second arc guide 32 is connected to the movable contact piece 8.
  • the second arc guide 32 has a bent shape.
  • the second arc guide 32 includes a third portion 37 and a fourth portion 38.
  • the third portion 37 extends from the movable contact piece 8 to the left, that is, in the direction of the first Lorentz force F1.
  • the fourth portion 38 extends downward from the third portion 37.
  • the fourth portion 38 is inclined downward with respect to the vertical direction so as to be separated from the first movable contact 12.
  • the third arc guide 33 is connected to the second fixed terminal 7.
  • the third arc guide 33 has a shape symmetrical to that of the first arc guide 31.
  • the third arc guide 33 includes a fifth portion 39 and a sixth portion 40.
  • the fifth portion 39 and the sixth portion 40 have symmetrical shapes with the first portion 35 and the second portion 36, respectively.
  • the fourth arc guide 34 is connected to the movable contact piece 8.
  • the fourth arc guide 34 has a shape symmetrical to that of the second arc guide 32.
  • the fourth arc guide 34 includes a seventh portion 41 and an eighth portion 42.
  • the seventh portion 41 and the eighth portion 42 have symmetrical shapes with the third portion 37 and the fourth portion 38, respectively.
  • the first to fourth arc guides 31-34 have higher electrical resistance than the first fixed terminal 6, the second fixed terminal 7, and the movable contact piece 8. It is made of one material. Therefore, when the starting point of the arc moves to the first to fourth arc guides 31-34, the arc current decreases. As a result, the arc length required for arc extinguishing is shortened. Further, the damage to the contact device 3 is reduced by reducing the arc energy.
  • the 1st to 4th arc guides 31-34 are arranged at positions deviating from the energization path R1. Therefore, the influence on the electric resistance in the energization path R1 is suppressed. As a result, a decrease in the energization capacity of the electromagnetic relay 1 can be suppressed.
  • the present invention is not limited to the above embodiment, and various modifications can be made without departing from the gist of the invention.
  • the configuration of the contact device is not limited to that of the above embodiment, and may be changed.
  • the shape of the movable contact piece 8 may be changed.
  • the first movable contact 12 and the second movable contact 13 may be integrated with the movable contact piece 8.
  • the shapes of the fixed terminals 6 and 7 may be changed.
  • the first fixed contact 10 may be integrated with the first fixed terminal 6.
  • the second fixed contact 11 may be integrated with the second fixed terminal 7.
  • the number of movable contacts is not limited to two, and may be more than two.
  • the number of fixed contacts is not limited to two, and may be more than two.
  • the configuration of the movable mechanism 9 is not limited to that of the above embodiment, and may be changed.
  • the configuration of the drive device 4 is not limited to that of the above embodiment, and may be changed.
  • the arrangement of the magnets 27 and 28 or the arrangement of the magnetic field by the magnets 27 and 28 is not limited to that of the above embodiment, and may be changed.
  • the magnets 27 and 28 may be omitted.
  • the Lorentz force may be generated by the magnetic field generated by the current flowing through the energization path R1 or by the magnetic field generated in the arc.
  • the materials of the 1st to 4th arc guides 31-34 may be different from each other.
  • the second arc guide 32 may be made of a second material.
  • the second material like the first material, has higher electrical resistance than the fixed terminals 6 and 7 and the movable contact piece 8.
  • the second material may be different from the first material.
  • FIG. 5 is an enlarged view of the fixed terminals 6 and 7 and the movable contact piece 8 according to the first modification.
  • the second arc guide 32 and the fourth arc guide 34 may be omitted. That is, the arc guide may be provided only on the fixed terminals 6 and 7, and the arc guide may not be provided on the movable contact piece 8.
  • FIG. 6 is an enlarged view of the fixed terminals 6 and 7 and the movable contact piece 8 according to the second modification.
  • the first arc guide 31 and the third arc guide 33 may be omitted. That is, the arc guide may be provided only on the movable contact piece 8, and the arc guide may not be provided on the fixed terminals 6 and 7.
  • the arc guide is not limited to a bent shape, but may have another shape.
  • FIG. 7 is an enlarged view of the fixed terminals 6 and 7 and the movable contact piece 8 according to the third modification.
  • the first arc guide 31 and the third arc guide 33 may have a prismatic shape.
  • the second arc guide 32 and the fourth arc guide 34 may have a prismatic shape.
  • FIG. 8 is an enlarged view of the fixed terminals 6 and 7 and the movable contact piece 8 according to the fourth modification.
  • the second arc guide 32 and the fourth arc guide 34 may have a plate-like shape.
  • the movable contact piece 8 includes a first surface 81 and a second surface 82.
  • the first surface 81 faces the first fixed contact 10 and the second fixed contact 11.
  • the first movable contact 12 and the second movable contact 13 are connected to the first surface 81.
  • the second surface 82 is located on the opposite side of the first surface 81.
  • the second arc guide 32 and the fourth arc guide 34 may be connected to the second surface 82.
  • FIG. 9 is an enlarged view of the fixed terminals 6 and 7 and the movable contact piece 8 according to the fifth modification.
  • the second portion 36 of the first arc guide 31 may be inclined in the vertical direction so as to move upward and away from the first fixed contact 10.
  • the sixth portion 40 of the third arc guide 33 may be inclined in the vertical direction so as to move upward and away from the second fixed contact 11.
  • the electromagnetic relay 1 according to the above embodiment is a so-called plunger type electromagnetic relay.
  • the electromagnetic relay may be of another type.
  • FIG. 10 is a diagram showing an electromagnetic relay 100 according to a modified example.
  • the electromagnetic relay 100 according to the modified example is a so-called hinge type electromagnetic relay.
  • the electromagnetic relay 100 according to the modified example includes a fixed terminal 101, a movable contact piece 102, a fixed contact 103, a movable contact 104, a drive device 105, and a base 106.
  • the fixed terminal 101, the movable contact piece 102, and the drive device 105 are supported by the base 106.
  • the fixed contact 103 is connected to the fixed terminal 101.
  • the movable contact 104 is connected to the movable contact piece 102.
  • the fixed terminal 101 and the movable contact piece 102 are made of the terminal material described above.
  • the drive device 105 includes a coil 107, a bobbin 108, an iron core 109, a movable piece 110, a card 111, and a yoke 112.
  • the coil 107 is wound around the bobbin 108.
  • the iron core 109 is arranged in the bobbin 108.
  • the yoke 112 is connected to the iron core 109.
  • the movable piece 110 is attracted to the iron core 109 by the magnetic force.
  • the card 111 presses the movable contact piece 102 by being pressed by the movable piece 110.
  • the movable contact piece 102 moves in the contact direction when pressed by the card 111.
  • the movable contact 104 comes into contact with the fixed contact 103.
  • the movable contact piece 102 moves in the opening direction due to the elastic force of the movable contact piece 102 or the urging force of the return spring (not shown). As a result, the movable contact 104 is separated from the fixed contact 103.
  • the electromagnetic relay 100 includes an arc guide 113.
  • the arc guide 113 is made of a material having a higher electric resistance than the fixed terminal 101 and the movable contact piece 102, similarly to the first to fourth arc guides 31-34 of the above-described embodiment.
  • the arc guide 113 includes a first portion 114 and a second portion 115.
  • the first portion 114 extends upward from the movable contact piece 102.
  • the second portion 115 extends from the first portion 114 toward the drive device 105.
  • the second portion 115 extends from the fixed contact 103 toward the movable contact 104.
  • the arc current decreases when the starting point of the arc moves to the arc guide 113, as in the electromagnetic relay 1 according to the above-described embodiment. As a result, the arc length required for arc extinguishing is shortened.
  • the arc length required to extinguish an arc can be shortened.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)

Abstract

La présente invention concerne un relais électromagnétique comprenant une borne fixe, un contact fixe, une pièce de contact mobile, un contact mobile, un dispositif d'entraînement et un premier guide d'arc. Le contact fixe est relié à la borne fixe. Le contact mobile fait face au contact fixe et est relié à la pièce de contact mobile. Le dispositif d'entraînement amène la pièce de contact mobile à se déplacer vers une position fermée et vers une position ouverte. Lorsque la pièce de contact mobile est dans la position fermée, le contact mobile est en contact avec le contact fixe. Lorsque la pièce de contact mobile est dans la position ouverte, le contact mobile est séparé du contact fixe. Le premier guide d'arc est relié soit à la borne fixe, soit à la pièce de contact mobile. Le premier guide d'arc est constitué d'un premier matériau. Le premier matériau a une résistance électrique supérieure à celle de la borne fixe/pièce de contact mobile à laquelle le premier guide d'arc est connecté.
PCT/JP2021/032332 2020-10-26 2021-09-02 Relais électromagnétique WO2022091574A1 (fr)

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JP2020178763A JP2022069864A (ja) 2020-10-26 2020-10-26 電磁継電器
JP2020-178763 2020-10-26

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WO2022091574A1 true WO2022091574A1 (fr) 2022-05-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4261868A4 (fr) * 2020-12-09 2024-05-08 Panasonic Intellectual Property Management Co., Ltd. Appareil de contact et relais électromagnétique

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013222559A (ja) * 2012-04-13 2013-10-28 Fuji Electric Co Ltd 接点装置及びこれを使用した電磁開閉器
JP2013222562A (ja) * 2012-04-13 2013-10-28 Fuji Electric Fa Components & Systems Co Ltd 接点装置及びこれを使用した電磁開閉器
WO2017159442A1 (fr) * 2016-03-14 2017-09-21 三菱電機株式会社 Interrupteur

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3033379B2 (ja) * 1992-06-25 2000-04-17 松下電工株式会社 封止接点装置
JP3321963B2 (ja) * 1994-02-22 2002-09-09 株式会社デンソー プランジャ型電磁継電器
JP5890112B2 (ja) * 2011-06-07 2016-03-22 富士通コンポーネント株式会社 電磁継電器
JP6403476B2 (ja) * 2014-07-28 2018-10-10 富士通コンポーネント株式会社 電磁継電器
DE102015000796B4 (de) * 2015-01-22 2017-03-02 Schaltbau Gmbh Schaltgerät mit permanentmagnetischer Lichtbogenlöschung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013222559A (ja) * 2012-04-13 2013-10-28 Fuji Electric Co Ltd 接点装置及びこれを使用した電磁開閉器
JP2013222562A (ja) * 2012-04-13 2013-10-28 Fuji Electric Fa Components & Systems Co Ltd 接点装置及びこれを使用した電磁開閉器
WO2017159442A1 (fr) * 2016-03-14 2017-09-21 三菱電機株式会社 Interrupteur

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4261868A4 (fr) * 2020-12-09 2024-05-08 Panasonic Intellectual Property Management Co., Ltd. Appareil de contact et relais électromagnétique

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