WO2020235044A1 - Dispositif d'actionnement électromagnétique - Google Patents

Dispositif d'actionnement électromagnétique Download PDF

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Publication number
WO2020235044A1
WO2020235044A1 PCT/JP2019/020265 JP2019020265W WO2020235044A1 WO 2020235044 A1 WO2020235044 A1 WO 2020235044A1 JP 2019020265 W JP2019020265 W JP 2019020265W WO 2020235044 A1 WO2020235044 A1 WO 2020235044A1
Authority
WO
WIPO (PCT)
Prior art keywords
power supply
electromagnetic
operation unit
electromagnetic operation
drive power
Prior art date
Application number
PCT/JP2019/020265
Other languages
English (en)
Japanese (ja)
Inventor
吉田　忠広
田中　直樹
Original Assignee
三菱電機株式会社
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.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2019555243A priority Critical patent/JP6676226B1/ja
Priority to PCT/JP2019/020265 priority patent/WO2020235044A1/fr
Priority to EP19930085.6A priority patent/EP3975219B1/fr
Priority to CN201980096509.1A priority patent/CN113841213B/zh
Priority to TW109115997A priority patent/TWI750659B/zh
Publication of WO2020235044A1 publication Critical patent/WO2020235044A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle
    • 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
    • H01F7/064—Circuit arrangements for actuating electromagnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
    • H01H33/38—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H01H33/6662—Operating arrangements using bistable electromagnetic actuators, e.g. linear polarised electromagnetic actuators

Definitions

  • This application relates to an electromagnetic operating device.
  • the electromagnetic operating device used as the operating mechanism of the switch excites the electromagnetic coil with the electric power stored in the capacitor to drive the movable iron core, and the driving force opens and closes the contacts of the switch.
  • it is required to promptly restart the opening / closing control in an emergency such as the loss of the control power supply.
  • a power supply for power supply is connected to an electromagnetically operated switchgear installed in a place without a power supply, energy is stored in a capacitor by the DC power supplied from the power supply for power supply, and the energy stored in this capacitor is used.
  • There was a method of charging an electromagnetically operated switchgear that operates the switchgear see, for example, Patent Document 1).
  • Patent Document 1 enables the switch to be turned on by using a power-on power supply when power is not supplied from a normal power supply.
  • the control board for controlling the energizing circuit connecting the capacitor and the electromagnetic coil is physically arranged inside the electromagnetically operated switchgear, when there is an abnormality in this control board, Has a problem that it may take time to restart the opening / closing control.
  • the present application discloses a technique for solving the above-mentioned problems, and an electromagnetic operation capable of quickly restarting opening / closing control even when an abnormality occurs in a control board that controls an opening / closing operation of a switch.
  • the purpose is to obtain the device.
  • the electromagnetic operating device disclosed in the present application includes an electromagnetic operating unit connected to the movable side of the switch to open and close the switch, a first power supply means, and electric power from the first power supply means to the electromagnetic operation unit.
  • An electromagnetic operation provided at an end opposite to the electromagnetic operation unit of a circuit connected to the electromagnetic operation unit and a drive power supply unit having a first control means for controlling supply to control the opening / closing operation of the switch.
  • the unit side circuit connecting means and the circuit connected to the drive power supply unit are provided at the end opposite to the drive power supply unit, and are connected to the electromagnetic operation unit side circuit connecting means to connect the electromagnetic operation unit and the drive power supply unit.
  • the drive power supply side circuit connecting means constituting the connecting circuit to be connected is provided, and the electromagnetic operation unit side circuit connecting means includes the second power supply means and the second power supply means to the electromagnetic operation unit in an emergency. It is connected to an emergency operation device having a second control means for controlling the power supply of the switch and controlling the opening / closing operation of the switch.
  • the opening / closing control can be restarted quickly.
  • FIG. 5 is an overall configuration diagram showing an electromagnetic operating device according to the first embodiment and a switch operated by the electromagnetic operating device. It is a block diagram of the emergency operation apparatus which concerns on Embodiment 1.
  • FIG. FIG. 5 is a diagram showing an overall configuration in a state in which an electromagnetic operation unit and an emergency operation device are connected in the first embodiment. It is a block diagram of the emergency operation apparatus which concerns on Embodiment 2.
  • FIG. FIG. 5 is an overall configuration diagram showing an electromagnetic operating device according to the third embodiment and a switch operated by the electromagnetic operating device.
  • FIG. 1 is an overall configuration diagram showing an electromagnetic operating device according to the first embodiment and a switch operated by the electromagnetic operating device.
  • the electromagnetic operation device 100 includes an electromagnetic operation unit 4 that is connected to the movable side of a switch 1 provided with a vacuum valve 2 to open and close the switch 1, and a drive power supply unit 12 that supplies electric power to the electromagnetic operation unit 4. It has.
  • the electromagnetic operation unit 4 and the drive power supply unit 12 are connected by a connection circuit configured by connecting the electromagnetic operation unit side connection circuit 161 and the drive power supply unit side connection circuit 162 as described later, and the electromagnetic operation unit side connection circuit. Power is supplied from the drive power supply unit 12 to the electromagnetic operation unit 4 via the drive power supply unit side connection circuit 162 and the drive power supply unit side connection circuit 162.
  • the electromagnetic operation unit 4 has a fixed iron core 7 and a movable iron core 10, and an open pole coil 8a and a closed pole coil 8b are arranged coaxially with the movable iron core 10 so as to surround a part of the movable iron core 10. Further, a permanent magnet 9 for attracting the movable core 10 in the closing direction is provided inside the fixed core 7, and an open spring 11 for urging the movable core 10 in the opening direction is provided outside the fixed core in the axial direction. It is provided. Further, one end of the movable shaft 6 is fixed to the movable iron core 10.
  • the movable shaft 6 extends from the movable iron core 10 toward the switch 1, and the other end of the movable shaft 6 is connected to one end of the insulating rod 3 via a pressure contact spring 5.
  • the insulating rod 3 extends from the pressure contact spring 5 to the inside of the vacuum valve 2, and an electrode is provided at the other end of the insulating rod 3.
  • the movable iron core 10 moves in the opening direction and the closing direction by the electromagnetic force from the excited opening coil 8a and the closing coil 8b. As a result, the opening and closing operations of the switch 1 are performed.
  • the open pole coil 8a and the closed pole coil 8b are excited by the power supply from the drive power supply unit 12.
  • the drive power supply unit 12 is operated by the DC power supply 13, that is, the first power supply means, the two electromagnetic coil capacitors 15a and 15b for storing the power from the DC power supply 13, and the power from the DC power supply 13, and is electromagnetic.
  • a control board 14 for controlling the current flowing due to the discharge of the coil capacitors 15a and 15b, that is, a first control means is provided.
  • the control board 14 supplies currents supplied from the electromagnetic coil capacitors 15a and 15b to the open pole coil 8a and the closed pole coil 8b in response to an open pole command or a closed pole command by a higher-level control device (not shown) or a user input. To control the opening / closing operation of the switch 1.
  • the electromagnetic coil capacitor 15a corresponds to the open pole coil 8a, and the current from the electromagnetic coil capacitor 15a is supplied to the open pole coil 8a.
  • the electromagnetic coil capacitor 15b corresponds to the closed pole coil 8b, and the current from the electromagnetic coil capacitor 15b is supplied to the closed pole coil 8b. Therefore, the electromagnetic operation unit side connection circuit 161 and the drive power supply unit side connection circuit 162 have at least a circuit corresponding to the open pole coil 8a and a circuit corresponding to the closed pole coil 8b, respectively.
  • the electromagnetic operation unit side connection circuit 161 is connected to the open pole coil 8a and the closed pole coil 8b of the electromagnetic operation unit 4, and the electromagnetic operation unit side connection circuit 161 has an electromagnetic wave at the end opposite to the electromagnetic operation unit 4.
  • the operation unit side circuit connecting means 16a1 and 16b1 are provided.
  • the drive power supply side connection circuit 162 is connected to the control board 14 of the drive power supply unit 12, and the drive power supply unit side circuit connecting means is connected to the end of the drive power supply unit side connection circuit 162 opposite to the drive power supply unit 12. 16a2 and 16b2 are provided.
  • the electromagnetic operation unit side circuit connection means 16a1 and the drive power supply side circuit connection means 16a2 correspond to the open pole coil 8a and the electromagnetic coil capacitor 15a
  • the electromagnetic operation unit side circuit connection means 16b1 and the drive power supply unit side circuit connection means 16b2 It corresponds to the closed pole coil 8b and the electromagnetic coil capacitor 15b
  • the electromagnetic operation unit side connection circuit 161 and the drive power supply unit side connection circuit 162 are the electromagnetic operation unit side circuit connection means 16a1 and the drive power supply unit side circuit connection means 16a2, and the electromagnetic operation unit side circuit connection means 16b1 and the drive power supply unit side circuit.
  • the electromagnetic operation unit side circuit connecting means 16a1 and 16b1 and the drive power supply unit side circuit connecting means 16a2 and 16b2 are in a form that can be connected and detached, for example, in a plug and a receptacle connected to the plug. is there.
  • the electromagnetic operation unit side circuit connecting means 16a1 and 16b1 and the drive power supply unit side circuit connecting means can be realized by using a connector composed of a plug and a receptacle.
  • the electromagnetic operation unit 4 and the drive power supply unit 12 are connected by the electromagnetic operation unit side connection circuit 161 and the drive power supply unit side connection circuit 162, and the pole opening coil is connected by the drive power supply unit 12. Power is supplied to the 8a and the closing coil 8b, and the opening / closing control of the switch 1 is performed.
  • FIG. 2 is a configuration diagram of the emergency operation device according to the first embodiment.
  • “emergency” is a situation in which it is impossible to supply electric power from the drive power supply unit 12 to the electromagnetic operation unit 4.
  • the control board 14 fails. If the electromagnetic coil capacitors 15a and 15b fail, or if the drive power supply side connection circuit 162 between the drive power supply side circuit connection means 16a2 and 16b2 and the drive power supply unit 12 is disconnected, or if the above For example, when a plurality of such failures occur.
  • the emergency operating device 121 flows by discharging the power supply unit 20, that is, the second power supply means, the two electromagnetic coil capacitors 19a and 19b that store the power from the power supply unit 20, and the electromagnetic coil capacitors 19a and 19b.
  • a control board 18 for controlling electric current that is, a second control means is provided.
  • the power supply unit 20, the electromagnetic coil capacitors 19a and 19b, and the control board 18 are integrally configured, and the emergency operation device 121 is a portable type.
  • the emergency operation device side connection circuit 17 is connected to the control board 18. At the end of the emergency operation device side connection circuit 17 opposite to the control board 18, emergency operation device side circuit connection means 17a and 17b that can be connected to the electromagnetic operation unit side circuit connection means 16a1 and 16b1 are provided.
  • the emergency operation device side circuit connection means 17a and 17b are, for example, plugs or receptacles, and are drive power supplies so that they can be connected to the electromagnetic operation unit side circuit connection means 16a1 and 16b1 in the same manner as the drive power supply side circuit connection means 16a2 and 16b2. It has the same connector shape as the local circuit connecting means 16a2 and 16b2.
  • the power supply unit 20 includes a manual generator 22 to which a rotary handle 23 is attached and generates electric power by the rotation of the rotary handle 23, and a control power supply capacitor 21 that stores the electric power generated by the manual generator 22.
  • the control board 18 operates by the electric power stored in the control power supply capacitor 21, and controls the current due to the discharge of the electromagnetic coil capacitors 19a and 19b.
  • FIG. 3 is a diagram showing an overall configuration in a state where the electromagnetic operation unit and the emergency operation device are connected.
  • the electromagnetic operation unit side circuit connecting means 16a1 and the drive power supply unit side circuit connecting means 16a2 and the electromagnetic operation unit side circuit connecting means 16b1 and the driving power supply unit side circuit connecting means 16b2 are connected to each other. Are separated from each other to release their electrical connection.
  • the electromagnetic operation unit side circuit connecting means 16a1 and 16b1 and the emergency operation device side circuit connection means 17a and 17b are connected to enable power supply from the emergency operation device 121 to the electromagnetic operation unit 4.
  • the control board 18 supplies currents supplied from the electromagnetic coil capacitors 19a and 19b to the opening coil 8a and the closing coil 8b in response to an opening command or a closing command input by a higher-level control device (not shown) or a user input. Is controlled, and the opening / closing control of the switch 1 is restarted.
  • the connection state of the electromagnetic operation unit side circuit connection means 16a1 and the emergency operation device side circuit connection means 17a, and the electromagnetic operation unit side circuit connection means 16b1 and the emergency operation device side circuit connection means 17b is released. .. Next, the electromagnetic operation unit side circuit connecting means 16a1 and 16b1 and the drive power supply unit side circuit connecting means 16a2 and 16b2 are connected to return to the normal state.
  • the electromagnetic coil capacitor 19a corresponds to the open pole coil 8a, and the current from the electromagnetic coil capacitor 19a is supplied to the open pole coil 8a.
  • the electromagnetic coil capacitor 19b corresponds to the closed pole coil 8b, and the current from the electromagnetic coil capacitor 19b is supplied to the closed pole coil 8b. Therefore, the emergency operation device side connection circuit 17 has at least a circuit corresponding to the open pole coil 8a and a circuit corresponding to the closed pole coil 8b, respectively.
  • the emergency operation device 121 monitors the storage status of the control power supply capacitor 21 and the electromagnetic coil capacitors 19a and 19b, and the power required for switching control of the switch 1 is not stored or the necessary power is stored. Monitoring means may be provided to issue a warning when it is determined that the possibility of falling into an uncontrolled situation has increased. By providing such a monitoring means, the user can perform power generation by the power supply unit 20 in a timely manner, and it is possible to prevent the opening / closing operation control from being stopped due to insufficient power.
  • the opening / closing control can be restarted quickly. More specifically, in the connection between the electromagnetic operation unit that opens and closes the switch and the drive power supply unit that controls the power supply to the electromagnetic operation unit, the electromagnetic operation unit side connection circuit and the drive power supply unit side connection circuit are connected.
  • a connection circuit is configured to connect the electromagnetic operation unit and the drive power supply unit.
  • the electromagnetic operation unit side connection circuit and the drive power supply unit side connection circuit are connected by the electromagnetic operation unit side circuit connection means and the drive power supply unit side circuit connection means provided at their respective ends.
  • the opening / closing control can be restarted simply by switching the connection destination of the circuit connection means on the electromagnetic operation unit side from the drive power supply unit to the emergency operation device, so that an abnormality occurs in the control board that controls the opening / closing operation of the switch. Even in such a case, the opening / closing control can be restarted quickly.
  • the same effect can be obtained when checking the state after installation. That is, after the switch is installed, if the control power supply is not yet connected, it is possible to quickly start checking the state after installation.
  • FIG. 4 is a configuration diagram of the emergency operation device according to the second embodiment.
  • the emergency operation device 221 includes a power supply unit 201, two electromagnetic coil capacitors 19a and 19b for storing electric power from the power supply unit 201, and a control board 18 for controlling the current flowing by discharging the electromagnetic coil capacitors 19a and 19b. I have.
  • the power supply unit 201 includes a battery 24 connected in parallel with the manual generator 22 in addition to the configuration of the power supply unit 20 of the first embodiment. Further, a power supply changeover switch 25, that is, a power supply changeover means is provided between the manual generator 22 and the control power supply capacitor 21, and the power supply changeover switch 25 connects the manual generator 22 and the battery to the control board 18. It is possible to switch between 24 and 24.
  • the battery 24 may be a DC power source having an output voltage higher than the voltage required for the operation of the control board 18, such as an automobile battery, a dry battery, or a fuel cell. Others are the same as those in the first embodiment, and the description thereof will be omitted.
  • a battery is connected in parallel with the manual generator in the power supply unit of the emergency operation device, and a power supply changeover switch for switching the connection destination of the control circuit between the manual generator and the battery is provided. Therefore, it is possible to select whether to supply power to the control board of the emergency operation device by a manual generator or a battery, which is faster than the case where only the manual generator is used as in the first embodiment.
  • the control circuit can be operated. This makes it possible to restart the opening / closing control of the switch more quickly.
  • FIG. 5 is an overall configuration diagram showing the electromagnetic operating device according to the third embodiment and the switch operated by the electromagnetic operating device.
  • the electromagnetic operating device 300 includes electromagnetic operating unit side circuit connecting means 16a1 and 16b1 corresponding to the drive power supply unit 12, that is, the first circuit connecting means and electromagnetic operating unit side circuit connecting means 16c1 and 16d1 corresponding to the emergency operating device 121. That is, it differs from the electromagnetic operating device 100 of the first embodiment in that the electromagnetic operating unit side circuit connecting means is configured by the second circuit connecting means.
  • the electromagnetic operation unit side circuit connecting means 16a1, 16b1, 16c1, 16d1 are connected in parallel with each other.
  • the electromagnetic operation unit side circuit connection means 16a1 and 16b1 are connected to the drive power supply unit side circuit connection means 16a2 and 16b2 as in the first embodiment, and the electromagnetic operation unit side circuit connection means 16c1 and 16d1 are emergency operation device side circuit connection means. It is connected to 17a and 17b.
  • the electromagnetic operation unit side circuit connecting means 16a1 and 16c1 correspond to the open pole coil 8a
  • the electromagnetic operation unit side circuit connection means 16b1 and 16d1 correspond to the closed pole coil 8b.
  • a circuit changeover switch 26, that is, a circuit changeover means is provided between the electromagnetic operation unit side circuit connecting means 16a1, 16b1, 16c1, 16d1 and the electromagnetic operation part 4.
  • the circuit changeover switch 26 is, for example, a manual changeover switch, and switches the connection destination of the electromagnetic operation unit 4 between the drive power supply unit 12 and the emergency operation device 121. Therefore, the electromagnetic operation unit side circuit connection means 16a1, the drive power supply side circuit connection means 16a2, the electromagnetic operation unit side circuit connection means 16b1, the drive power supply side circuit connection means 16b2, the electromagnetic operation unit side circuit connection means 16c1 and emergency operation.
  • the mechanical connection state of the device-side circuit connecting means 17a, the electromagnetic operation unit-side circuit connecting means 16d1, and the emergency operating device-side circuit connecting means 17b is maintained in both normal and emergency situations. Others are the same as those in the first embodiment, and the description thereof will be omitted.
  • the electromagnetic operation unit side circuit connecting means has a first circuit connecting means corresponding to the drive power supply unit and a second circuit connecting means corresponding to the emergency operation device, and the electromagnetic operation unit side circuit connecting means and the electromagnetic operation.
  • a circuit changeover switch provided between the units makes it possible to switch the connection destination of the electromagnetic operation unit between the drive power supply unit and the emergency operation device. Therefore, in an emergency, the connection destination of the electromagnetic operation unit may be switched from the drive power supply unit to the emergency operation device by the circuit changeover switch, in order to connect the circuit connection means on the electromagnetic operation unit side and the circuit connection means on the emergency operation device side. It is not necessary to disconnect the drive power supply side circuit connecting means from the electromagnetic operation unit side circuit connecting means. Therefore, the emergency operation device can be easily connected, and the opening / closing control of the switch can be restarted more quickly.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Keying Circuit Devices (AREA)
  • Safety Devices In Control Systems (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Abstract

Le but de la présente invention est de fournir un dispositif d'actionnement électromagnétique qui est apte à reprendre rapidement une commande d'ouverture/fermeture même lorsqu'une anomalie s'est produite dans une carte de commande pour commander l'opération d'ouverture/fermeture d'un commutateur.　Ce dispositif d'actionnement électromagnétique (100) comporte : une unité d'actionnement électromagnétique qui est connectée au côté mobile d'un commutateur (1) et ouvre et ferme le commutateur (1) ; et une unité d'alimentation électrique de commande qui commande l'alimentation en énergie de l'unité d'actionnement électromagnétique (4) et commande l'opération d'ouverture/fermeture du commutateur (1). Pendant des conditions normales, l'unité d'actionnement électromagnétique (4) et l'unité d'alimentation électrique de commande sont connectées par un circuit de connexion configuré par connexion de moyens de connexion de circuit côté unité d'actionnement électromagnétique (16a1, 16b1) et d'un moyen de connexion de circuit côté unité d'alimentation électrique de commande. Pendant une urgence, un dispositif d'actionnement d'urgence (121), ayant une carte de commande (18) pour commander l'alimentation en énergie à partir d'une unité d'alimentation électrique (20) à l'unité d'actionnement électromagnétique (4) et commander l'opération d'ouverture/fermeture du commutateur (1), est connecté au moyen de connexion de circuit côté unité d'actionnement électromagnétique (16a1, 16b1).
PCT/JP2019/020265 2019-05-22 2019-05-22 Dispositif d'actionnement électromagnétique WO2020235044A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2019555243A JP6676226B1 (ja) 2019-05-22 2019-05-22 電磁操作装置
PCT/JP2019/020265 WO2020235044A1 (fr) 2019-05-22 2019-05-22 Dispositif d'actionnement électromagnétique
EP19930085.6A EP3975219B1 (fr) 2019-05-22 2019-05-22 Dispositif d'actionnement électromagnétique
CN201980096509.1A CN113841213B (zh) 2019-05-22 2019-05-22 电磁操作装置
TW109115997A TWI750659B (zh) 2019-05-22 2020-05-14 電磁操作裝置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/020265 WO2020235044A1 (fr) 2019-05-22 2019-05-22 Dispositif d'actionnement électromagnétique

Publications (1)

Publication Number Publication Date
WO2020235044A1 true WO2020235044A1 (fr) 2020-11-26

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PCT/JP2019/020265 WO2020235044A1 (fr) 2019-05-22 2019-05-22 Dispositif d'actionnement électromagnétique

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EP (1) EP3975219B1 (fr)
JP (1) JP6676226B1 (fr)
CN (1) CN113841213B (fr)
TW (1) TWI750659B (fr)
WO (1) WO2020235044A1 (fr)

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CN112490066B (zh) * 2020-07-10 2023-03-10 安徽一天电气技术股份有限公司 一种开关

Citations (3)

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Publication number Priority date Publication date Assignee Title
JP2005197122A (ja) 2004-01-08 2005-07-21 Hitachi Ltd 電磁操作式開閉装置の投入方法
JP2008277140A (ja) * 2007-04-27 2008-11-13 Mitsubishi Electric Corp 非常用操作電源装置
WO2014141901A1 (fr) * 2013-03-13 2014-09-18 三菱電機株式会社 Dispositif actionné par solénoïde

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Publication number Priority date Publication date Assignee Title
JP4023985B2 (ja) * 2000-05-22 2007-12-19 東光電気株式会社 開閉駆動用電源装置
JP4358698B2 (ja) * 2004-07-23 2009-11-04 株式会社日立製作所 電磁操作装置
US8040210B2 (en) * 2006-09-28 2011-10-18 Mitsubishi Electric Corporation Electromagnetically operated switching device
JP4934065B2 (ja) * 2008-01-23 2012-05-16 三菱電機株式会社 電磁操作式開閉装置
WO2013005348A1 (fr) * 2011-07-07 2013-01-10 三菱電機株式会社 Dispositif de commande électromagnétique
CN107924786B (zh) * 2016-03-17 2019-05-10 富士电机机器制御株式会社 电磁接触器的操作线圈驱动装置
EP3506330B1 (fr) * 2016-08-26 2020-09-23 Mitsubishi Electric Corporation Circuit de commande de mécanisme d'actionnement électromagnétique

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005197122A (ja) 2004-01-08 2005-07-21 Hitachi Ltd 電磁操作式開閉装置の投入方法
JP2008277140A (ja) * 2007-04-27 2008-11-13 Mitsubishi Electric Corp 非常用操作電源装置
WO2014141901A1 (fr) * 2013-03-13 2014-09-18 三菱電機株式会社 Dispositif actionné par solénoïde

Also Published As

Publication number Publication date
EP3975219A4 (fr) 2022-06-22
JPWO2020235044A1 (ja) 2021-06-10
TWI750659B (zh) 2021-12-21
JP6676226B1 (ja) 2020-04-08
CN113841213A (zh) 2021-12-24
TW202044297A (zh) 2020-12-01
CN113841213B (zh) 2024-03-08
EP3975219A1 (fr) 2022-03-30
EP3975219B1 (fr) 2024-06-26

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