WO2014083769A1 - Dispositif de contact et commutateur électromagnétique utilisant celui-ci - Google Patents

Dispositif de contact et commutateur électromagnétique utilisant celui-ci Download PDF

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Publication number
WO2014083769A1
WO2014083769A1 PCT/JP2013/006441 JP2013006441W WO2014083769A1 WO 2014083769 A1 WO2014083769 A1 WO 2014083769A1 JP 2013006441 W JP2013006441 W JP 2013006441W WO 2014083769 A1 WO2014083769 A1 WO 2014083769A1
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WO
WIPO (PCT)
Prior art keywords
contact
arc
movable
pair
movable contact
Prior art date
Application number
PCT/JP2013/006441
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English (en)
Japanese (ja)
Inventor
鹿志村　修
磯崎　優
幸悦 高谷
中　康弘
雄二 柴
Original Assignee
富士電機機器制御株式会社
富士電機株式会社
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.)
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Publication date
Application filed by 富士電機機器制御株式会社, 富士電機株式会社 filed Critical 富士電機機器制御株式会社
Publication of WO2014083769A1 publication Critical patent/WO2014083769A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/546—Contact arrangements for contactors having bridging contacts
    • 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

Definitions

  • the present invention uses a contact device in which a pair of fixed contacts arranged at a predetermined interval and a movable contact arranged so as to be able to come in contact with and away from the fixed contacts are arranged in a contact housing case, and the same is used. It relates to an electromagnetic switch.
  • an electromagnetic switch such as an electromagnetic relay or an electromagnetic contactor
  • the current is cut off from a closed state of a contact mechanism in which a stationary contact and a movable contact are in contact with each other.
  • Various contact mechanisms have been proposed that extinguish arcs that are generated at the time of opening to move the movable contact away from the fixed contact in order to achieve a state.
  • a fixed contact support case that supports a first fixed contact and a second fixed contact that are spaced apart by a predetermined distance, and the first fixed contact in the fixed contact support case.
  • a movable contact disposed so as to be able to contact with and separate from the contact and the second fixed contact, and a parallel magnetic pole surface disposed in parallel with the movable contact in the direction perpendicular to the longitudinal direction of the movable contact.
  • Electromagnetic contact provided with a pair of arc extinguishing magnet bodies having the same polarity, and a drive mechanism for driving the movable contact so as to be able to contact with and separate from the first fixed contact and the second fixed contact A device has been proposed (see, for example, Patent Document 1).
  • the fixed contact support housing is a vertical surface in which the inner wall surrounding at least the first fixed contact and the contact portion between the second fixed contact and the movable contact is opposed to the longitudinal end of the movable contact.
  • the front and rear vertical surfaces extending along the longitudinal direction of the movable contact from the front and rear end portions of the vertical surface are formed in a rectangular tube inner surface shape.
  • a substantially sealed space that becomes an arc extinguishing space is formed on the inner peripheral surface of the stationary contact support housing, and in this arc extinguishing space, An arc generated at the time of opening when the contact of the movable contact is separated from the contact of the pair of fixed contacts is extinguished.
  • the distance between the movable contact and the inner peripheral surface of the fixed contact support housing in plan view is such that the end of the movable contact is a square or a circular shape, but the inner periphery of the fixed contact support housing.
  • the surface is formed in a rectangular tube shape.
  • casing is not constant. Then, the arc flying direction changes depending on the current value flowing from the power source side to the load side when the movable contact contacts the pair of fixed contacts, so that the arc extension distance changes depending on the arc flying direction. There is an unsolved problem that the arc is unstable. Furthermore, since the arc does not hit the wall surface of the stationary contact support case perpendicularly, the arc that reaches the wall surface does not stay on the wall surface that reaches the wall surface, and the arc shape is partially interrupted and repeats the arc again. There is also an unsolved problem that the arc interruption performance is reduced.
  • An object is to provide a contact device and an electromagnetic switch using the contact device.
  • a first aspect of the contact device is a pair of fixed contacts fixedly arranged at a predetermined interval, and can be contacted and separated with respect to the pair of fixed contacts.
  • a contact storage case for storing the arranged movable contact is provided.
  • An end surface of the movable contact facing the pair of fixed contacts is formed in an arcuate end surface centered on the contact portion, and an inner wall facing the arcuate end surface of the movable contact of the contact storage case is It is formed on a semi-cylindrical surface centered on the contact portion of the movable contact.
  • the diameter of the arcuate end surface of the movable contact is set equal to the width of the movable contact, and the planar view shape of the movable contact is an oval. Is formed.
  • the diameter of the semi-cylindrical surface of the contact storage case is set equal to the width between the inner walls of the contact storage case, and the inner wall of the contact storage case has a shape in plan view. Is formed in an oval shape.
  • the outer peripheral surface of the contact storage case is formed in a rectangular parallelepiped shape, and arc-extinguishing permanent magnets facing each other are arranged on at least a pair of outer peripheral surfaces facing each other. ing.
  • the outer peripheral surface of the contact storage case is formed in a rectangular parallelepiped shape, and two pairs of outer peripheral surfaces facing each other are arranged with arc-extinguishing permanent magnets facing each other. Has been.
  • the opposing surfaces of the arc extinguishing magnets facing each other have different polarities.
  • the opposing surfaces of the arc extinguishing permanent magnets facing each other have the same polarity.
  • the opposing surfaces of the arc extinguishing permanent magnets facing each other have the same polarity, and the polarities of the opposing surfaces of one pair of arc extinguishing permanent magnets are the same. The polarity of the opposing surface of the other pair of arc erasing permanent magnets is different.
  • a first aspect of the electromagnetic switch according to the present invention includes the contact device according to the first to seventh aspects, wherein the movable contact is connected to a movable iron core of an electromagnet device, and the pair of pairs The stationary contact is connected to the external connection terminal.
  • the distance from the contact position between the movable contact and the pair of fixed contacts to the inner wall surface of the contact storage case surrounding them is set to be substantially equal in the radial direction. Even if the direction of the arc generated at the time of opening away from the fixed contact is changed, the arc extension length becomes equal, and a uniform arc extinguishing function can be exhibited, preventing the arc from recurring and being stable. The arc can be extinguished.
  • an electromagnetic contactor and an electromagnetic relay that can improve the breaking performance by surely extinguishing an arc generated at the time of opening with a simple configuration
  • An electromagnetic switch such as can be provided.
  • FIG. 1 is a cross-sectional view showing a first embodiment when the contact device according to the present invention is applied to an electromagnetic contactor.
  • reference numeral 10 denotes an electromagnetic contactor.
  • the electromagnetic contactor 10 includes a contact device 100 provided with a contact mechanism and an electromagnet unit 200 that drives the contact device 100.
  • the contact device 100 includes a contact storage case 102 as an arc extinguishing chamber that stores the contact mechanism 101.
  • the contact housing case 102 includes, for example, a hook-like body 103 that opens an insulating lower end mainly composed of ceramics, and a metal rectangular cylinder 104 joined to the lower end surface of the hook-like body 103. .
  • the metal square cylinder 104 has its flange portion 105 sealed and fixed to an upper magnetic yoke 210 of an electromagnet unit 200 described later.
  • the top plate 103a of the bowl-shaped body 103 is formed with through holes 106 and 107 through which a pair of fixed contacts 111 and 112, which will be described later, are inserted at predetermined intervals at the center.
  • the contact mechanism 101 includes a pair of fixed contacts 111 and 112 that are inserted into and fixed to the through holes 106 and 107 of the top plate 103 a of the contact storage case 102.
  • Each of the fixed contacts 111 and 112 includes a contact support conductor 114 having a flange portion 113 protruding outward at the upper end inserted through the through holes 106 and 107 of the top plate 103a, and the contact support conductor 114.
  • a contact conductor portion 116 which is connected to the bottom surface of the top plate 103a and has a flat contact portion 115 formed at the inner end thereof.
  • the movable contact 130 is supported by a connecting shaft 131 fixed to a movable iron core 212 of an electromagnet unit 200 described later.
  • the movable contact 130 is formed with a through hole 132 through which the connecting shaft 131 is inserted at the center.
  • the connecting shaft 131 has a fixed ring 131b that is prevented from coming off by a retaining ring 131a made of a C ring or an E ring that protrudes outward at the upper end.
  • a movable contact 130 is moved upward by a contact spring 139 below the fixed ring 131b. Arranged to be energized.
  • the contact conductor portion 116 of the fixed contacts 111 and 112 and the contact portion 115 on the bottom surface thereof are formed in a circular cross section as shown in FIG.
  • the movable contact 130 has both end surfaces in the longitudinal direction centered on the center of the contact portion 115 of the fixed contact 111 and 112 and the diameter of the movable contact 130.
  • the semicircular end faces 130a and 130b are made to coincide with the width W. Therefore, the movable contact 130 is formed in an oval shape when viewed from the plane.
  • the movable contact 130 is in a state in which the contact portions 130c and 130d at both ends and the flat contact portions 115 of the contact conductor portions 116 of the fixed contacts 111 and 112 are separated from each other at a predetermined interval. Further, the movable contact 130 is configured such that the contact portions at both ends are in contact with the flat contact portion 115 at the lower end of the contact conductor portion 116 of the fixed contacts 111 and 112 with a predetermined contact pressure by the contact spring 139 at the closing position. Is set to
  • the inner wall surface of the contact housing case 102 that houses the fixed contacts 111 and 112 and the movable contact 130 is semi-circular end surfaces 130a and 130b of the movable contact 130 in a plan view as shown in FIG.
  • the semi-cylindrical surfaces 102a and 102b centering on the center of the semi-cylindrical surface and the vertical flat surfaces 102c and 102d connecting the edges of the semi-cylindrical surfaces 102a and 102b form an oval wall surface similar to the movable contact 130.
  • the distance from the center position of the contact part 115 of the fixed contacts 111 and 112 to the semi-cylindrical surfaces 102a and 102b of the contact housing case 102 is set equal to any angle of the semi-circular part as viewed from the plane.
  • the outer peripheral side surface of the contact housing case 102 has an outer periphery of a rectangular parallelepiped whose longitudinal center line coincides with the center line of the movable contact 130 and the center line of the inner wall surface. It is formed in the rectangular shape used as a surface. And the permanent magnets 143 and 144 are arrange
  • These permanent magnets 143 and 144 are both magnetized with the N pole on the left end side and the S pole on the right end side, and the magnetic flux formed by both permanent magnets 143 and 144 passes from the fixed contact 111 through the movable contact 130 to the fixed contact. It is set to be opposite to the direction of the current reaching 112.
  • the contact opening portions 130c and 130d of the movable contact 130 are separated from the fixed contacts 111 and 112 downward from the closed contact state in which the contact portions 130c and 130d are in contact with the contact portions 115 of the fixed contacts 111 and 112.
  • an arc is generated from the stationary contacts 111 and 112 as shown in FIG. That is, by the magnetic flux formed by the permanent magnets 143 and 144, on the fixed contact 111 side, the coordinates represented by the center line L0 and the line L1 perpendicular to the center of the contact portion 115 of the fixed contact 111 are An arc is generated in the second quadrant which is the rear.
  • an arc is generated in the fourth quadrant that is the right front at the coordinates represented by the center line L0 and the line L2 that is orthogonal to the center of the contact portion 115 of the fixed contact 112. .
  • the extending direction of these arcs varies depending on the current value of the supply current from the fixed contact 111 to the fixed contact 112 through the movable contact 130.
  • the relationship between the supply current and the force generated in the arc is, as shown in FIG. 3, when the contact housing case 102 is viewed from the plane, the longitudinal direction is the X direction and the short direction (width direction) is Y.
  • the X direction is represented by a characteristic line Lx having a large inclination
  • the Y direction is represented by a characteristic line Ly having a gentle inclination with respect to the characteristic line Lx.
  • These characteristic lines Lx and Ly have an intersection P when the supply current is large.
  • the arc is basically extended in the Y direction to be interrupted, but since a force in the X direction is generated, the extension direction of the arc is changed by the force in the X direction. That is, when a supply current is smaller I S, the force components generated arc in the X direction Chisakuku, the force generated in the arc in the Y direction is large, the arc extends in a substantially Y-direction.
  • the supply current is large value I L through the intersection point P, since the same X direction force component and a Y-direction force components, the arc is extended in a direction inclined 45 degrees from the Y-direction. Further, the supply current is current when an I S and I L intermediate value I M of the extending middle direction between the direction of 45 degrees when the Y direction and the current is large I L.
  • the arc extension direction changes depending on the value of the supply current, the center of the contact portions 115 of the fixed contacts 111 and 112 and the contact portions 130 c and 130 d of the movable contact 130 and the inner wall surface of the contact storage case 102. The distance from the semi-cylindrical surfaces 102a and 102b is not changed. For this reason, even if the arc extends in any direction toward the semi-cylindrical surfaces 102a and 102b, the extension length of the arc does not change. Therefore, the arc is not unstable and can be stably generated.
  • the extended arc is a semi-cylindrical surface. It will contact perpendicularly to 102a and 102b. For this reason, the arc stays at substantially the same circumferential position of the semi-cylindrical surfaces 102a and 102b, the arc shape is not interrupted, and it is possible to reliably prevent the re-occurring arc from being repeated.
  • the electromagnet unit 200 has a U-shaped magnetic yoke 201 as viewed from the side, and a cylindrical auxiliary yoke 203 is fixed to the center of the bottom plate portion 202 of the magnetic yoke 201.
  • a spool 204 is disposed outside the cylindrical auxiliary yoke 203.
  • the spool 204 includes a central cylindrical portion 205 that passes through the cylindrical auxiliary yoke 203, a lower flange portion 206 that protrudes radially outward from the lower end portion of the central cylindrical portion 205, and a little more than the upper end of the central cylindrical portion 205.
  • the upper flange portion 207 protrudes radially outward from the lower side.
  • An exciting coil 208 is wound around a storage space formed by the central cylindrical portion 205, the lower flange portion 206, and the upper flange portion 207.
  • the upper magnetic yoke 210 is fixed between the upper ends of the magnetic yoke 201 serving as the open end.
  • the upper magnetic yoke 210 is formed with a through hole 210a for fitting and supporting the fixed iron core 211 at the center.
  • a fixed iron core 211 is disposed on the upper side of the central cylindrical portion 205 of the spool 204.
  • a movable iron core 212 is arranged at a predetermined distance away from the lower side of the fixed iron core 211 that faces the fixed iron core 211, and a return spring 214 is disposed between the movable iron core 212 and the fixed iron core 211.
  • a connecting shaft 131 that supports the movable contact 130 is fixed to the movable iron core 212.
  • the fixed iron core 211 and the movable iron core 212 are covered with a cap 230 made of a non-magnetic material and formed into a bottomed cylindrical shape, and a flange portion 231 formed by extending outward in the radial direction at the open end of the cap 230. Is sealed to the lower surface of the upper magnetic yoke 210.
  • the contact housing case 102 and the cap 230 form a sealed container in which the contact mechanism 101, the fixed iron core 211, and the movable iron core 212 are arranged in a sealed space.
  • a gas such as hydrogen gas, nitrogen gas, a mixed gas of hydrogen and nitrogen, air, or SF 6 is sealed in a sealed container formed by the contact housing case 102 and the cap 230.
  • the fixed contact 111 is connected to a power supply source that supplies a large current, for example, and the fixed contact 112 is connected to a load.
  • the exciting coil 208 in the electromagnet unit 200 is in a non-excited state and the electromagnet unit 200 is in a released state in which no exciting force for lowering the movable core 212 is generated.
  • the movable iron core 212 is urged by the return spring 214 in a direction away from the fixed iron core 211.
  • the contact portions 130c and 130d of the movable contact 130 of the contact mechanism 101 connected to the movable iron core 212 via the connecting shaft 131 are moved downward by a predetermined distance from the flat contact portions 115 of the fixed contacts 111 and 112. It is separated. For this reason, the current path between the stationary contacts 111 and 112 is in a disconnected state, and the contact mechanism 101 is in an open state.
  • the exciting coil 208 of the electromagnet unit 200 is excited, an exciting force is generated by the electromagnet unit 200, and the movable iron core 212 is attracted by the fixed iron core 211.
  • the iron core 212 is raised against the urging force of the return spring 214.
  • the rising of the movable core 212 is stopped when the upper surface of the movable core 212 contacts the lower surface of the fixed core 211.
  • the movable contact 130 connected to the movable iron core 212 via the connecting shaft 131 is also raised, and the contact portions 130c and 130d thereof are flat with the fixed contacts 111 and 112.
  • the contact portion 115 is contacted by the contact pressure of the contact spring 139. For this reason, a closed state is reached in which a large current of the external power supply source is supplied to the load through the fixed contact 111, the movable contact 130, and the fixed contact 112.
  • the semi-cylindrical surfaces 102a and 102b of the contact housing case 102 are formed concentrically with a vertical line passing through the contact portions 115 of the fixed contacts 111 and 112 and the contact portions 130c and 130d of the movable contact 130. ing.
  • the arc extension length does not change even if the arc extension direction changes, and the arc can be stably generated.
  • the arc makes contact with the semi-cylindrical surfaces 102a and 102b in a vertical plane, the arc stays on the contact surface and does not fluctuate, so that the arc shape is not partially interrupted and the recurring arc is surely prevented. be able to.
  • the arc can be stably ignited and the arc remains without moving in the circumferential direction on the semi-cylindrical surfaces 102a and 102b.
  • the arc can be reliably extinguished when a predetermined arc extension length is reached. Therefore, the interruption
  • the case where the arc extinguishing permanent magnets 143 and 144 are arranged on both end surfaces of the contact housing case 102 in the longitudinal direction has been described.
  • the present invention is limited to the above configuration. It is not a thing.
  • the permanent magnets 145 and 146 may be arranged on the outer peripheral surfaces of the contact housing case 102 facing in the short direction (width direction).
  • the opposing surfaces of the permanent magnets 145 and 146 are of the same polarity, that is, in the case of FIG. 4, the surface contacting the contact housing case 102 of the permanent magnet 145 is the N pole, and the opposite side is the S pole.
  • the surface in contact with the contact housing case 102 is the N pole, and the opposite side is the S pole.
  • the permanent magnets 145 and 146 allow contact between the contact portion 115 of the fixed contactors 111 and 112 and the contact portions 130c and 130d of the movable contactor 130 as shown in FIG.
  • a magnetic flux transverse to the longitudinal direction can be formed between them, and an arc generated at the time of opening by the Lorentz force generated by the magnetic flux and the direction of current is extended to the rear side or the front side of the inner wall of the contact housing case 102. Can do. Even in this case, since the extension length of the arc does not change even if the direction of the arc changes, it is possible to obtain the same effect as the first embodiment described above.
  • permanent magnets 147 a and 147 b and 148 a and 148 b may be arranged on two opposing outer peripheral surfaces of the contact housing case 102.
  • the contact housing case 102 side is the S pole and the opposite side is the N pole.
  • the contact housing case 102 side is the N pole and the opposite side is the S pole.
  • the electromagnet unit 200 has the fixed iron core 211 and the movable iron core 212 .
  • the present invention is not limited to this, and the fixed iron core 211 is omitted, and the upper magnetic yoke 210 and the movable iron core are omitted.
  • a magnetically attracting portion may be formed between the magnetic attraction portion 212 and the magnetic attraction portion 212.
  • the electromagnet unit 200 is not limited to the above configuration, and any configuration can be adopted.
  • the movable contact 130 is driven so as to be able to contact with and separate from the pair of fixed contacts 111 and 112. If you can.
  • the contact container 102 and the cap 230 form a sealed container and the gas is sealed in the sealed container has been described. If it is low, gas filling may be omitted.
  • the present invention is not limited thereto, and the present invention is applied to an electromagnetic switch that electromagnetically opens and closes a contact, such as an electromagnetic relay. Can be applied.
  • Electromagnetic contactor 11 ... Exterior insulation container, 100 ... Contact apparatus, 101 ... Contact mechanism, 102 ... Contact storage case (arc-extinguishing chamber), 103 ... A bowl-shaped body, 104 ... Metal square cylinder body, 111, 112 ... Fixed contact 114, contact support conductor 115, contact 130, movable contact 130a, 130b, semicircular end faces 130c, 130d, contact 131, connecting shaft, 139 contact spring, 143, 144 , 145, 146, 147a, 147b, 148a, 148b ... permanent magnet for arc extinguishing

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

Abstract

L'invention concerne un dispositif de contact par lequel il est possible de provoquer facilement l'extinction d'un arc qui se produit au moment de la séparation du contact entre un élément de contact fixe et un élément de contact mobile, et un commutateur électromagnétique utilisant celui-ci. Le dispositif de contact comprend un boîtier de logement de contact (102) qui accueille : une paire d'éléments de contact fixes (111, 112) qui se trouvent dans des positions fixes avec un interstice prescrit maintenu entre eux ; et un élément de contact mobile (130) qui est positionné de manière à pouvoir être attaché à la paire d'éléments de contact fixes en en être détaché. Les faces d'extrémité de l'élément de contact mobile qui font face à la paire d'éléments de contact fixes sont réalisées sous la forme de faces d'extrémité en arc de cercle circulaires (130a, 130b) centrées sur les parties de contact, et les parois intérieures du boîtier de logement de contact qui font face aux faces d'extrémité en arc de cercle circulaires de l'élément de contact mobile sont réalisées sous la forme de faces cylindriques semi-circulaires (102a, 102b) centrées sur les parties de contact de l'élément de contact mobile.
PCT/JP2013/006441 2012-11-30 2013-10-30 Dispositif de contact et commutateur électromagnétique utilisant celui-ci WO2014083769A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012262700A JP6081787B2 (ja) 2012-11-30 2012-11-30 接点装置及びこれを使用した電磁開閉器
JP2012-262700 2012-11-30

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105719865A (zh) * 2016-04-29 2016-06-29 浙江英洛华新能源科技有限公司 高压直流继电器相向电弧隔离装置
EP3846193A4 (fr) * 2018-08-31 2022-05-18 LS Electric Co., Ltd. Relais à courant continu
EP3846194A4 (fr) * 2018-08-31 2022-06-08 LS Electric Co., Ltd. Relais à courant continu
US20230005683A1 (en) * 2019-12-04 2023-01-05 Ls Electric Co., Ltd. Arc path formation unit and direct current relay including same
EP4024430A4 (fr) * 2019-08-28 2023-08-16 LS Electric Co., Ltd. Unité de formation de trajet d'arc et relais à courant continu la comprenant
EP4024427A4 (fr) * 2019-08-28 2023-08-23 LS Electric Co., Ltd. Unité de formation de trajet d'arc et relais à courant continu la comprenant
EP4024429A4 (fr) * 2019-08-28 2023-09-13 LS Electric Co., Ltd. Unité de formation de trajet d'arc et relais à courant continu la comprenant
EP4148760A4 (fr) * 2020-05-06 2024-06-05 LS Electric Co., Ltd. Unité de formation de trajet d'arc et relais à courant continu la comprenant

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6244995B2 (ja) * 2014-03-10 2017-12-13 アンデン株式会社 電磁継電器
JP7115303B2 (ja) 2018-12-28 2022-08-09 オムロン株式会社 電磁継電器
KR102339179B1 (ko) 2019-07-11 2021-12-14 엘에스일렉트릭 (주) 아크 경로 형성부 및 이를 포함하는 직류 릴레이
JP7310474B2 (ja) 2019-09-13 2023-07-19 オムロン株式会社 リレー
JP7392678B2 (ja) 2021-03-05 2023-12-06 オムロン株式会社 電磁継電器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005038706A (ja) * 2003-07-15 2005-02-10 Matsushita Electric Works Ltd 封止接点装置
US20120175345A1 (en) * 2011-01-12 2012-07-12 Fuji Electric Co., Ltd. Electromagnetic contractor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005038706A (ja) * 2003-07-15 2005-02-10 Matsushita Electric Works Ltd 封止接点装置
US20120175345A1 (en) * 2011-01-12 2012-07-12 Fuji Electric Co., Ltd. Electromagnetic contractor
FR2970373A1 (fr) * 2011-01-12 2012-07-13 Fuji Electric Co Ltd Contacteur electromagnetique
JP2012160427A (ja) * 2011-01-12 2012-08-23 Fuji Electric Co Ltd 電磁接触器
CN102683116A (zh) * 2011-01-12 2012-09-19 富士电机株式会社 电磁接触器

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105719865A (zh) * 2016-04-29 2016-06-29 浙江英洛华新能源科技有限公司 高压直流继电器相向电弧隔离装置
CN107170604A (zh) * 2016-04-29 2017-09-15 浙江英洛华新能源科技有限公司 高压直流继电器相向电弧隔离装置
EP3846193A4 (fr) * 2018-08-31 2022-05-18 LS Electric Co., Ltd. Relais à courant continu
EP3846194A4 (fr) * 2018-08-31 2022-06-08 LS Electric Co., Ltd. Relais à courant continu
US11915894B2 (en) 2018-08-31 2024-02-27 Ls Electric Co., Ltd. Direct current relay
US11574784B2 (en) 2018-08-31 2023-02-07 Ls Electric Co., Ltd. Direct current relay
EP4024430A4 (fr) * 2019-08-28 2023-08-16 LS Electric Co., Ltd. Unité de formation de trajet d'arc et relais à courant continu la comprenant
EP4024427A4 (fr) * 2019-08-28 2023-08-23 LS Electric Co., Ltd. Unité de formation de trajet d'arc et relais à courant continu la comprenant
EP4024429A4 (fr) * 2019-08-28 2023-09-13 LS Electric Co., Ltd. Unité de formation de trajet d'arc et relais à courant continu la comprenant
US11776782B2 (en) 2019-08-28 2023-10-03 Ls Electric Co., Ltd. Arc path forming unit and direct current relay comprising same
US11842870B2 (en) 2019-08-28 2023-12-12 Ls Electric Co., Ltd. Arc path formation unit and direct current relay including same
US20230005683A1 (en) * 2019-12-04 2023-01-05 Ls Electric Co., Ltd. Arc path formation unit and direct current relay including same
EP4148760A4 (fr) * 2020-05-06 2024-06-05 LS Electric Co., Ltd. Unité de formation de trajet d'arc et relais à courant continu la comprenant

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JP2014110094A (ja) 2014-06-12

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