EP4105958A1 - Disjoncteur - Google Patents

Disjoncteur Download PDF

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Publication number
EP4105958A1
EP4105958A1 EP20919223.6A EP20919223A EP4105958A1 EP 4105958 A1 EP4105958 A1 EP 4105958A1 EP 20919223 A EP20919223 A EP 20919223A EP 4105958 A1 EP4105958 A1 EP 4105958A1
Authority
EP
European Patent Office
Prior art keywords
traveling
latch
opening
pin
terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20919223.6A
Other languages
German (de)
English (en)
Other versions
EP4105958A4 (fr
Inventor
Shinji Toba
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP4105958A1 publication Critical patent/EP4105958A1/fr
Publication of EP4105958A4 publication Critical patent/EP4105958A4/fr
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • H01H3/3031—Means for locking the spring in a charged state
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/28—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
    • H01H33/02—Details
    • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
    • H01H33/40—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • 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
    • H01H33/42—Driving mechanisms
    • 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

  • the present application relates to a circuit breaker having a fixed contact as well as a traveling contact connected to and separated from the fixed contact.
  • Patent Literature 1 JP 2015-162402 A
  • the circuit breaker may be affected by impact vibration during switch operation, and vibration due to installation conditions when holding the closing.
  • vibration due to installation conditions when holding the closing.
  • the latch oscillates due to the vibration, the latch engaging part is disengaged, and an unnecessary opening is reached.
  • the present application discloses a technique made in view of the above circumstances, and it is an object of the present invention to obtain a structure not easily affected by vibration and being able to stabilize the closing operation and the closing holding.
  • the circuit breaker disclosed in this application is equipped with a fixed contact, a traveling contact connected to and separated from the fixed contact, a rod-shaped latch that is rotatably pivotally supported in the barycentric region between one end having a latch engaging part and the other end driven by tripping, an insulating rod having a latch pin at one end that engages with the latch engaging part, an input actuator that drives the other end of the insulating rod, and a spring for opening that drives the traveling contact in the opening direction,
  • the latch pin When the latch pin is driven in the input direction by the input actuator via the insulating rod in a state where the traveling contact is open, the latch is driven in the input direction via the latch engaging part, and the traveling contact is driven in the opening direction with the fixed contact.
  • circuit breaker disclosed in the present application it is not easily affected by the vibration of the circuit breaker, it is possible to stabilize the closing operation and the closing holding.
  • Figs. 1 to 7B explain the structure of the operation mechanism of the circuit breaker in the first embodiment of the present application
  • Fig. 1 shows the structure of the operation mechanism of the circuit breaker
  • Fig. 2 shows the opening state of the circuit breaker, which is mainly the operation mechanism
  • Fig. 3 shows the closing state of mainly the circuit breaker of the operating mechanism
  • Fig. 4 shows the excitation state of the input actuator in the opening state due to the release of the latch engaging part of the operation mechanism of the circuit breaker
  • Fig. 5 shows the connection between the input driving rod and the insulation rod of the circuit breaker, which is mainly the operation mechanism
  • Figs. 6A and 6B show the connection between the traveling terminal of the operation mechanism and the opening spring unit of the circuit breaker
  • Figs. 7A and 7B show mainly the insulating rod and latch engaging part of the operating mechanism of the circuit breaker.
  • the circuit breaker has a traveling terminal 1, a first fixed terminal 2, and a second fixed terminal 3 provided below the first fixed terminal 2.
  • the second fixed terminal 3 is connected to the traveling terminal 1 via a flexible shunt 4.
  • Various driving mechanisms including a closing drive mechanism are attached to a mechanical frame 5 fixed in the circuit breaker.
  • the closing driving mechanism is connected to an insulating rod 6, and the insulating rod 6 is moved (to be exact, pivoted) in the left-right direction of Fig. 1 by an input actuator 7.
  • a part of an opening driving mechanism having a spring rod 8 for opening, a spring 9 for opening, and a spring guide 10 for opening is connected to the traveling terminal 1.
  • the opening driving mechanism is composed of a spring rod 8, a spring 9, a spring guide 10, and the traveling terminal 1.
  • the traveling terminal 1 is provided with a traveling contact 1a at one end thereof, and the other end is connected to the mechanical frame 5. Further, a rod-shaped latch 11 as shown in the figure is rotatably attached to the traveling terminal 1 with a traveling connecting pin S3 as a support.
  • An engaging part 11a is provided at one end of the latch 11, and the latch engaging part 11a engages with the latch pin S1 provided on the insulating rod 6.
  • the tripping part is provided at the other end of the latch 11, and the tripping part of the latch 11 is pushed by a latch tripping mechanism, rotating the latch 11.
  • the engagement between the latch engaging part 11a and the latch pin S1 is shown, and for example, any other material such as an edge part of a component other than the pin may be used as long as the latch can be engaged and disengaged.
  • the engaging part may be provided on the insulating rod and the pin may be provided on the latch.
  • the latch 11 is provided with an engaging part and a tripping part on the other side via the rotation axis of the latch 11, the latch 11 is provided with an engaging part and a tripping part on the other side, the center of gravity of the latch is not biased to one side, and it is less susceptible to vibration, and the operation in closing can be stabilized. Further, when the installation location is affected by vibration, the influence of vibration can be reduced even when the closing is held.
  • the rotation axis of the latch 11 is preferably provided near the center of gravity of the latch 11, and more preferably provided in accordance with the center of gravity.
  • the rotation center of the latch 11 is located in the center of gravity region of the rod-shaped latch 11, further, by providing an engaging part at one end of the latch 11 and a tripping part at the other end, the latch 11 is provided, the center of gravity of the latch is not significantly biased to one of the rod-shaped latches 11, it is less likely to be affected by vibration, and stable engagement between the latch 11 and the latch pin S1 can be ensured.
  • the circuit breaker has an auxiliary switch driving mechanism.
  • the auxiliary switch drive mechanism is composed of a driving rod 12 for auxiliary switch, a spring guide 13 for driving auxiliary switch, and a link 15 for driving an auxiliary switch, the link 15 is attached to the mechanical frame 5.
  • the operation mechanism of the circuit breaker consists of a closing driving mechanism, an opening driving mechanism, a latch mechanism connecting them, and an auxiliary switch drive mechanism, the detailed structure of each mechanism will be sequentially described below with reference to Figs. 1 to 4 together with the input actuator that urges the opening direction.
  • the input actuator 7 is equipped with a driving rod 7a for input, a return spring 7b for returning the driving rod 7a, and an input coil 7c.
  • the driving rod 7a moves horizontally to the right in Fig. 2 and the return spring 7b is stored by the excitation of the input coil 7c.
  • the return spring 7b is released by the demagnetization of the input coil 7c, and the driving rod 7a horizontally moves to the left in Fig. 2 and is in the reset state.
  • the closing driving mechanism is composed by an insulation rod 6, the latch pin S1 provided on the insulating rod 6, one end is rotatably attached to the latch pin S1, a link 16 for closing driving, the other end of which is pivotally supported with a fixing pin P2 as the center of rotation, a spring receiving pin 16a provided on the link 16, a return spring 17 for returning the closing driving link 16 to return the closing driving link 16, and the fixing pin P2 fixed to the mechanical frame 5, these members are mounted on the mechanical frame 5 as follows.
  • the closing driving link 16 is rotatably supported by the mechanical frame 5 by the fixing pin P2, an insulating rod 6 is supported by the latch pin S1 on the link 16.
  • the link return spring 17 composed of the twist spring for the closing driving link return uses the fixing pin P2 as the support shaft, one of the arms is arranged so as to hang on a fixing pin P5, and the other arm is hung on the spring receiving pin 16a provided on the link 16, the closing driving link 16 is always urged counterclockwise.
  • the other end of the insulating rod 6 connected to the closing driving link 16 is as shown in Fig, it is connected to the driving rod 7a via a connecting hole 6b formed in the insulating rod 6.
  • the tip of the driving rod 7a pushes the pushing surface 6a of the insulating rod formed on the insulating rod 6, the latch pin S1 connected to the insulating rod 6 moves in an arc with the fixing pin P2 as the axis of rotation.
  • the opening driving mechanism is composed of a traveling terminal 1 composed of a traveling contactor 1b on which a traveling contact 1a is formed and an opening driving link 1c, a shunt 4, a fixing pin P1 and an opening spring unit.
  • a traveling contact 1a that is in contact with and separated from the fixed contact 2a is formed at one end of the traveling contactor 1b.
  • the opening spring unit includes a spring rod 8 for opening, a spring 9 for opening, a spring guide 10 for opening, a traveling connecting pin S2 for opening, and a retaining pin S7.
  • the spring guide 10 is fixed in the circuit breaker.
  • the latch mechanism is composed of a latch 11, the traveling connecting pin S3, and a latch return spring 18, these members are mounted on the mechanical frame 5 as follows.
  • a spring rod 8 for opening constituting the opening spring unit is pivotally supported by the traveling connecting pin S2 for opening.
  • the traveling connecting pin S2 is prevented from being pulled out, this is done by inserting the retaining pin S7 into a pin hole 22 of the blind hole provided in the opening driving link 1c, and attaching the traveling contactor 1b so as to cover it.
  • the traveling contactor 1b and the opening driving link 1c are formed to have the same width
  • the diameter of the spring rod 8 for opening is also configured to be the same as the width of the traveling terminal 1.
  • the opening spring rod 8 is supported by the opening spring guide 10 so as to be freely movable in the vertical direction to some extent.
  • the traveling connecting pin S2 for opening for axially supporting the spring rod 8 to the traveling terminal 1 is provided with a structure inserted into the stopper pin through hole 1d formed in the traveling terminal 1 in the direction orthogonal to the opening/closing movement direction of the contact, the traveling connecting pin S2 is configured so as not to protrude from the stopper pin through hole 1d of the traveling terminal 1 in the orthogonal direction, that is, in the width direction of the traveling terminal 1. Therefore, the vicinity of the traveling contact in the operation mechanism can be configured in a space-saving manner.
  • the spring 9 is provided so as to be expandable and contractible according to the operation of the spring rod 8 due to the arc movement of the traveling terminal 1.
  • the traveling terminal 1 is always urged counterclockwise by this opening spring force, and the opening position is regulated by a stopper pin P3.
  • the latch mechanism includes the latch 11, the latch return spring 18, and the traveling connecting pin S3, and these members are mounted on the traveling terminal 1 as follows.
  • the latch 11 is rotatably supported by the traveling connecting pin S3 in a state of penetrating the latch through hole 1e of the traveling terminal 1.
  • the latch 11 is composed of the latch engaging part 11a at one end and a latch pushing part 11b at the other end of the rotation shaft, as shown in Figs. 7A and 7B , the latch engaging part 11a is engaged with the latch pin S1 with the insulating rod 6 covering the upper surface and the side surface with a cover.
  • the latch return spring 18 of the twist spring is arranged so that one arm is hooked on the traveling terminal 1 and the other arm is hooked on the latch 11 with the traveling connecting pin S3 as a support shaft, the latch 11 is always urged clockwise.
  • the latch engaging part (the part that engages with the latch pin S1) is not located directly below the arc generation location (contact/detachment position), since it is provided at a position away from the position directly below, it is possible to suppress poor engagement. Further, since the upper surface or the side surface of the latch engaging part is covered with a cover or the like, the possibility of poor engagement can be further reduced.
  • the traveling connecting pin S3 moves in an arc with the fixed pin P1 that pivotally supports the traveling terminal 1 as a rotation axis.
  • This arc radius r1 (corresponding to the distance between the fixed pin P1 and the traveling connecting pin S3) is equivalent to the arc traveling radius r2 (corresponding to the distance between the fixed pin P2 and the latch pin S1) of the latch pin S1 constituting the closing driving mechanism. ).
  • a parallel crank mechanism is formed by a link 16 of a closing driving mechanism connected via a latch pin S1 and the traveling connecting pin S3, a link 1c of an opening driving mechanism, and a latch 11 of a latch mechanism.
  • the auxiliary switch driving mechanism includes Link 15 for driving the auxiliary switch, the rod 12 for driving the auxiliary switch, the spring guide 13 for driving the auxiliary switch, a spring 14 for driving the auxiliary switch, a traveling connecting pin S4, a traveling connecting pin S5, a traveling connecting pin S6, a fixing pin P4, these members are mounted on the mechanical frame 5 as follows
  • the mechanical frame 5 is provided with a fixing pin P1 that pivotally supports the traveling terminal 1.
  • the link 15 is rotatably provided on the fixing pin P1.
  • the driving rod 12 is pivotally supported by the traveling connecting pin S5 formed on the link 15.
  • the driving rod 12 is supported by the fixing pin P4 provided in an elongated hole formed in the drive rod 12, and moves in the horizontal direction in conjunction with the operation of the link 15.
  • the spring guide 13 is connected to the driving rod 12 by the traveling connecting pin S6. That is, the spring guide 13 is connected to the traveling connecting pin S6 formed on the driving rod 12.
  • the driving rod 12 is always urged to the left by the spring 14, and the link 15 is always urged clockwise with the fixing pin P1 as the axis of rotation via the traveling connecting pin S5.
  • the traveling connecting pin S4 provided on the link 15 comes into contact with the traveling terminal 1, so that clockwise rotation is restricted.
  • the load of the main configuration spring is in the relationship of the opening spring 9> the spring for driving auxiliary switch 14, and the spring load of each return spring is smaller than these spring loads.
  • Fig. 2 shows the input coil 7c in the demagnetized state and the operating mechanism in the opening state, and the closing operation will be described first from this state.
  • the driving rod 7a moves horizontally to the right in Fig. 2 , and the return spring 7b for returning the driving rod is stored.
  • the driving rod 7a pushes the pushing surface 6a of the insulating rod 6, and the insulating rod 6 moves to the right.
  • the link 16 connected to the latch pin S1 moves in a clockwise arc with the fixing pin P2 as the center of rotation while accumulating the return spring 17.
  • the latch pin S1 engages with the latch engaging part 11a of the latch 11 and urges the latch 11 to the right.
  • the traveling connecting pin S3 that pivotally supports the latch 11 has the fixing pin P1 as the center of rotation, by moving in an arc clockwise with the traveling terminal 1, the traveling contact 1a formed on the traveling contactor 1b constituting the traveling terminal 1 comes into contact with the fixed contact 2a of the first fixed terminal 2.
  • the spring 9 for opening is stored by the spring rod 8 that follows the traveling of the traveling terminal 1, the traveling terminal 1 is urged counterclockwise, but the closing state shown in Fig. 3 is maintained while the input actuator 7 is excited. In such a closed state, an electric path is formed from the first fixed terminal 2 to the second fixed terminal 3 via the traveling contactor 1b and the shunt 4 of a copper-based material that carries electricity.
  • a gap 21 is provided between the traveling connecting pin S4 and the traveling terminal 1 so that the traveling connecting pin S4 does not come into contact with the traveling terminal 1.
  • the traveling connecting pin S4 of the link 15 is regulated by the traveling terminal 1, and the traveling amount of the link 15 is regulated, in the completed state of the operation of the traveling terminal 1 to the closing, a gap 21 is generated between the traveling connecting pin S4 and the traveling terminal 1, and the regulation is released.
  • the traveling terminal 1 and the traveling connecting pin S4 come into contact with each other, and the link 15 having the traveling connecting pin S4 moves in an arc counterclockwise with the fixing pin P1 as the axis of rotation due to the release force of the spring 9.
  • the driving rod 12 horizontally moves to the right in Fig. 3 via the traveling connecting pin S5 to reset the auxiliary switch 19 and store the spring 14.
  • the traveling terminal 1 stops when it comes into contact with the stopper pin P3, and maintains the opening state of Fig. 2 by the initial load of the opening spring 9.
  • Fig. 4 shows the traveling terminal 1 in the opening state and the input coil 7c in the excited state due to the release of the latch engagement in the tripping device.
  • a tripping device 20 that has detected the circuit short-circuit current operates upward and pushes the latch pushing part 11b to rotate the latch 11 counterclockwise.
  • the input actuator 7 shifts to the reset state and the link 16 for closing also shifts to the reset state by releasing the excitation of the input coil 7c.
  • the latch 11 is returned counterclockwise by the latch return spring 18, and is in the opening state shown in Fig. 2 .
  • the operation description of the auxiliary switch driving mechanism in the main opening operation is the same as the opening operation by demagnetization of the input coil 7c, and is omitted because it has already been explained.
  • one end is a latch engaging part and the other end is a pushing part for disengaging the latch rotation shaft, by arranging the position of the center of gravity of the latch near the center of rotation of the latch, it is less susceptible to vibration during circuit breaker operation and vibration in the installed state, it is possible to stabilize the closing operation and the closing holding.
  • the closing driving mechanism, the opening driving mechanism and the latch mechanism by the parallel crank mechanism, it is possible to suppress the amount of slippage of the latch engaging surface with respect to the latch pin in the closing process, engagement failure due to slippage of the latch engaging surface can be suppressed, and the closing operation and closing holding can be stabilized.
  • the opening spring in order to efficiently use the spring energy of the opening spring in the opening driving mechanism, by arranging the opening spring near the main contact part away from the center of rotation of the traveling terminal, it is possible to reduce the load on the opening spring, and further by separating the traveling terminal configuration into a copper-based material that is responsible for energization and an iron-based material that is responsible for rigidity, the wall thickness of the components can be reduced, and the opening time can be shortened by reducing the size and weight.
  • the traveling terminal and the auxiliary switch driving link are separated in the process of closing, and a gap is provided between both parts when closing, high-speed opening operation is possible without hindering the movement of the traveling terminal in the initial process of opening in the short-circuit current cutoff.
  • the components can be made thinner and smaller.
  • the circuit breaker having a structure in which the traveling terminal rotates has been described, but the opening/closing mechanism is not limited to this structure, for example, it may be a circuit breaker having a structure in which the traveling terminal moves linearly in the horizontal direction.
  • Figs. 9A , 9B and 9C are diagrams showing the circuit breaker of the third embodiment.
  • Fig 9A shows the circuit breaker opening state
  • Fig. 9B shows the closing state
  • Fig. 9C shows the circuit breaker opening state and the input actuator excitation state by releasing the latch by the tripping device.
  • the traveling terminal has a traveling contactor 1b, the traveling contact 1a and an opening driving link 1c, the traveling contactor 1b is connected to the second fixed terminal 3 via the shunt 4.
  • the engaging part of the latch 11 is located in a state where a slight gap is provided with respect to the latch pin S1 provided on the insulating rod 6.
  • the insulating rod 6 is horizontally moved to the right by the excitation of the input actuator 7.
  • the latch pin S1 provided on the insulating rod 6 engages with the latch 11 pivotally supported by the pin S3 on the traveling contactor 1b, the insulating rod 6 and the traveling contactor 1b move horizontally to the right.
  • the spring rod 8 connected to the opening driving link 1c by the pin S2 also moves in the same direction, the spring rod 8 stores the spring 9 for opening.
  • the traveling contact 1a comes into contact with the fixed contact 2a of the first fixed terminal 2, resulting in the closing state as shown in Fig. 9B .
  • auxiliary switch 19 is driven by the movement of the spring rod 8.
  • the spring guide 10 is fixed in the circuit breaker.
  • the spring 9 is released by the demagnetization of the input actuator 7, and the traveling contactor 1b moves horizontally to the left in Fig. 9B , the opening driving link 1c comes into contact with the stopper pin P3, resulting in the opening state as shown in Fig. 9A .
  • the tripping device 20 is driven, by pushing the latch and rotating the latch counterclockwise, the latch engagement is released, the spring 9 is released, and while the input actuator 7 keeps the excited state, the traveling contactor 1b and the fixed contact 2a are separated from each other, resulting in the opening state as shown in Fig. 9C .
  • the input actuator 7 is demagnetized, resulting in the opening state as shown in Fig. 9B .
  • the link 16 for closing driving, the fixing pin P2 for supporting the link 16, the fixing pin 1 for supporting the traveling terminal 1, which are required in the first embodiment, are no longer required, the number of parts can be reduced, the space required for arc drive can be reduced, and the mechanism can be configured in a small space.
  • Technical Feature 1 The fixed contact, the traveling contact connected to and separated from the fixed contact, the rod-shaped latch that is rotatably pivotally supported in the barycentric region between one end having a latch engaging part and the other end driven by tripping, the insulating rod having a latch pin at one end that engages with the latch engaging part, the input actuator that drives the other end of the insulating rod, and the spring for opening that drives the traveling contact in the opening direction are provided, when the other end of the latch is pulled off and driven while the traveling contact is closed to the fixed contact, the engagement between the latch engaging part and the latch pin is disengaged, and the traveling contact is driven in the input direction by the opening spring, with the traveling contacts open, the latch pin is driven in the opening direction via the insulating rod by the input actuator, the latch is driven in the input direction via the latch engaging part, and the traveling contact is driven in the opening direction with the fixed contact.
  • Technical Feature 2 The Technical feature 1 is arranged
  • Technical Feature 5 In the technical feature 4, the traveling terminal and the closing driving link extend in the same direction with a predetermined distance, the latch extends in a direction intersecting the extending direction of the traveling terminal and the closing driving link.
  • Technical Feature 6 In the technical feature 5, the traveling terminal, the closing driving link, and the latch are configured in a parallel crank mechanism.
  • Technical Feature 7 In any one of the technical features 4 to 6, the latch engaging part and the latch pin are arranged on the side of the traveling terminal opposite to the traveling contact, the latch pin is driven by a driving force in the input direction via the insulating rod, the side of the traveling contact of the latch engaging part and the latch pin is covered with a part of the insulating rod.
  • Technical Feature 8 In any one of the technical features 4 to 7, the traveling terminal is integrally composed of the traveling contact of the copper-based material responsible for energization and the opening driving link of the iron-based material responsible for rigidity.
  • the opening spring rod that transmits the driving force in the opening direction to the traveling terminal and the traveling terminal are connected by the traveling connecting pin for opening.
  • Technical Feature 10 In any of the technical features 4 to 9, the fixing pin for pivotally attaching the one end of the traveling terminal to the fixing part is provided, and the auxiliary switch drive link is pivotally supported by the fixing pin, in the process of operating the traveling terminal to closing, the auxiliary switch driving link is driven by the spring force of the auxiliary switch driving spring to operate the auxiliary switch.
  • Technical Feature 11 In technical feature 10, in the process of operating the traveling terminal to closing, the traveling connecting pin of the auxiliary switch driving link is restricted to the traveling terminal, and the traveling amount of the auxiliary switch driving link is restricted, in the completed state of the operation of the traveling terminal to the closing, the gap is generated between the traveling connecting pin and the traveling terminal, and the regulation is released.
  • Technical Feature 12 In the technical feature 7, the driving force in the input direction is transmitted from the input driving rod of the input actuator to the insulating rod, the input driving rod and the insulating rod can operate independently when operating in the opening direction.
  • Technical Feature 13 In any of the technical features 4 to 8, the auxiliary switch is driven by the opening spring rod that transmits the driving force in the opening direction to the traveling terminal.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Breakers (AREA)
EP20919223.6A 2020-02-10 2020-02-10 Disjoncteur Pending EP4105958A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/005081 WO2021161370A1 (fr) 2020-02-10 2020-02-10 Disjoncteur

Publications (2)

Publication Number Publication Date
EP4105958A1 true EP4105958A1 (fr) 2022-12-21
EP4105958A4 EP4105958A4 (fr) 2023-03-29

Family

ID=75378070

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20919223.6A Pending EP4105958A4 (fr) 2020-02-10 2020-02-10 Disjoncteur

Country Status (3)

Country Link
EP (1) EP4105958A4 (fr)
JP (1) JP6858932B1 (fr)
WO (1) WO2021161370A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4343030A (en) * 1978-09-06 1982-08-03 Mcgraw-Edison Company Load break switch
JP2000067707A (ja) * 1998-08-21 2000-03-03 Nissin Electric Co Ltd 開閉器手動操作装置
JP3416086B2 (ja) * 1999-06-04 2003-06-16 三菱電機株式会社 開閉器の操作装置
JP6270541B2 (ja) 2014-02-28 2018-01-31 三菱電機株式会社 開閉器操作機構
CN108475599B (zh) * 2016-01-14 2020-12-04 三菱电机株式会社 断路器

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Publication number Publication date
WO2021161370A1 (fr) 2021-08-19
JPWO2021161370A1 (fr) 2021-08-19
JP6858932B1 (ja) 2021-04-14
EP4105958A4 (fr) 2023-03-29

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