WO2007010608A1 - Coupe-circuit - Google Patents

Coupe-circuit Download PDF

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Publication number
WO2007010608A1
WO2007010608A1 PCT/JP2005/013396 JP2005013396W WO2007010608A1 WO 2007010608 A1 WO2007010608 A1 WO 2007010608A1 JP 2005013396 W JP2005013396 W JP 2005013396W WO 2007010608 A1 WO2007010608 A1 WO 2007010608A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaft
circuit breaker
drive shaft
connecting portion
breaker according
Prior art date
Application number
PCT/JP2005/013396
Other languages
English (en)
Japanese (ja)
Inventor
Yo Makita
Toshie Takeuchi
Kazunori Fukuya
Original Assignee
Mitsubishi Denki Kabushiki Kaisha
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 Denki Kabushiki Kaisha filed Critical Mitsubishi Denki Kabushiki Kaisha
Priority to DE112005003632.4T priority Critical patent/DE112005003632B4/de
Priority to KR1020087001068A priority patent/KR100967249B1/ko
Priority to CN2005800510291A priority patent/CN101223619B/zh
Priority to PCT/JP2005/013396 priority patent/WO2007010608A1/fr
Publication of WO2007010608A1 publication Critical patent/WO2007010608A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/66—Power reset mechanisms
    • H01H71/68—Power reset mechanisms actuated by electromagnet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/528—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a toggle or collapsible link between handle and contact arm, e.g. sear pin mechanism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/48—Driving mechanisms, i.e. for transmitting driving force to the contacts using lost-motion device

Definitions

  • the present invention relates to a circuit breaker having a fixed contact and a movable contact, and having an electromagnetic operation mechanism for inserting or removing the movable contact with respect to the fixed contact.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 6-89650 ( Figures 1-5, page 2)
  • Patent Document 2 EP1214727B1 (Fig. L to Fig. 2, pages 2 to 5)
  • the low-voltage circuit breaker disclosed in Patent Document 1 uses a large number of latches and links in the operation mechanism, leading to an increase in the size of the device and a large number of parts to compensate for device reliability. Therefore, maintenance at regular intervals was necessary.
  • the circuit breaker disclosed in Patent Document 2 has a long link provided between the operating shaft that performs the insertion or tripping operation of the movable contact and the fixed contact and the drive shaft of the electromagnetic operation mechanism, and is still As a result, improvements are needed to improve the reliability and miniaturization of equipment.
  • the circuit breaker disclosed in Patent Document 2 has a U-shaped circuit to achieve short-term energization performance of the contact part !, but the shape and dimensions of the U-shaped circuit depend on the current capacity. It is necessary to change each.
  • the short-time energization performance mentioned here is one of the performances required when using the circuit breaker as a main circuit breaker.
  • the protection relay device operates when a large current is energized, such as a short-circuit accident, so that the safe circuit-breaking operation can be performed. This is the ability to keep the short-circuit current flowing until the operation is performed.
  • a large current is applied, a large electromagnetic repulsive force is generated between the contacts, and the movable contact Since a point may float, a structure is required that does not cause the floating contact like the U-shaped electric circuit shown in Patent Document 2 to rise.
  • the present invention has been made in order to solve the problems in such a conventional circuit breaker, and is intended to simplify and reduce the size of the operation mechanism and to improve controllability and reliability.
  • the purpose is to obtain a closed circuit breaker.
  • a circuit breaker includes a fixed conductor having a fixed contact, a mover having a movable contact, and being driven to put the movable contact into or out of the fixed contact, and an axis.
  • a shaft that is pivotally provided as a center, and is pivotally connected to the shaft by a first connecting portion at a first predetermined distance in a direction perpendicular to the axis, and is movable.
  • the operating arm connected to the child by the second connecting portion and the shaft connected to the shaft by the third connecting portion provided at a position different from the first connecting portion in the circumferential direction of the shaft.
  • An electromagnetic operating means having a drive shaft driven so as to move on a straight line orthogonal to the core at a second predetermined distance, and energizing the electromagnetic operating means to drive the drive shaft To rotate the shaft through the operating arm. Is obtained so as to drive the movable element Te.
  • the first connecting portion that connects the shaft and the operating arm is a connecting portion that directly connects the shaft and the operating arm, and the shaft is connected to the shaft via another member. It includes both cases where it is a connecting portion that indirectly connects the operation arm.
  • the second connecting portion that connects the operating arm and the mover may be a connecting portion that directly connects the operating arm and the mover, and the other connection member through the other member. Both are included in the case where the operating arm and the movable element are indirectly connected to each other.
  • the third connecting portion that connects the shaft and the drive shaft is a connecting portion that directly connects the shaft and the drive shaft, and the shaft is connected via another member.
  • a connecting portion that indirectly connects the shaft and the drive shaft In the case of a connecting portion that indirectly connects the shaft and the drive shaft.
  • the first predetermined distance is provided in the direction perpendicular to the axis.
  • An operating arm that is pivotally connected to the shaft by the first connecting portion and is connected to the mover by the second connecting portion, and a position in the circumferential direction of the shaft that is different from the first connecting portion.
  • An electromagnetic operating means having a drive shaft connected to the shaft by a third connecting portion provided on the shaft and driven to move on a straight line perpendicular to the axis at a second predetermined distance. Since the electromagnetic operation means is energized to drive the drive shaft, the shaft is rotated to drive the movable element via the operation arm. In addition to being able to reduce the size, the controllability and reliability of the circuit breaker can be improved.
  • FIG. 1 is a configuration diagram showing a circuit breaker according to Embodiment 1 of the present invention
  • FIGS. 2 and 3 are explanatory diagrams for explaining the operation of the circuit breaker according to Embodiment 1.
  • FIG. 1 is a configuration diagram showing a circuit breaker according to Embodiment 1 of the present invention
  • FIGS. 2 and 3 are explanatory diagrams for explaining the operation of the circuit breaker according to Embodiment 1.
  • FIG. 1 is a configuration diagram showing a circuit breaker according to Embodiment 1 of the present invention
  • FIGS. 2 and 3 are explanatory diagrams for explaining the operation of the circuit breaker according to Embodiment 1.
  • FIG. 1 is a configuration diagram showing a circuit breaker according to Embodiment 1 of the present invention
  • FIGS. 2 and 3 are explanatory diagrams for explaining the operation of the circuit breaker according to Embodiment 1.
  • FIG. 1 is a configuration diagram showing a circuit breaker according to Embodiment 1 of the present invention
  • the insulating housing 1 has space portions 101 and 102 partitioned by an insulating wall 103 inside, and includes a pair of fixed conductors 21 and 22 that penetrate the space portion 101 from the outside.
  • the fixed conductors 21 and 22 are connected to a power supply side conductor and a load side conductor (not shown), respectively.
  • the fixed conductor 21 and the fixed conductor 22 are also referred to as a power supply side terminal and a load side terminal, respectively.
  • a fixed contact 211 is fixed to the end of the fixed conductor 21 exposed in the space 101 of the insulating casing 1.
  • the movable element 3 is rotatably supported by the link pin 4, and the movable contact 311 is fixed at a position facing the fixed contact 211.
  • the contact pressure spring 5 urges the movable element 3 to rotate clockwise about the link pin 4 so that contact pressure is applied between the two contacts when the movable contact 311 is inserted into the fixed contact 211.
  • the movable element 3 and the fixed conductor 22 are electrically connected by a flexible conductor 6 that can be sandwiched.
  • a plate-like connecting plate 8 provided in the space 102 of the insulating housing 1 is fixed to a shaft 9 supported so as to be rotatable around an axis 91.
  • the connecting plate 8 includes a long groove-like connecting hole 81 inclined inward from the outer periphery thereof.
  • the operating arm 7 passes through a through-hole 104 provided in the cutting wall 103 of the insulating housing 1, one end of which is rotatably connected to the movable element 3, and the other end is connected to the connecting plate 8 by a connecting pin 71. It is pivotally connected.
  • the connecting portion between the connecting plate 8 and the other end of the operating arm 7 constitutes a first connecting portion, and this first connecting portion has a radius r that is a first predetermined distance from the axis 91 of the shaft 9. It is provided at the position.
  • the distance m in the y-axis direction of the first connecting portion with respect to the shaft center 91 is equal to the radius r.
  • the distance ra in the y-axis direction decreases depending on the rotation angle of the connecting plate 8 and the shaft 9.
  • a connecting portion between one end of the operation arm 7 and the mover 3 constitutes a second connecting portion.
  • An electromagnetic operation mechanism 10 as an electromagnetic operation means is provided in a space 102 of an insulating casing 1, and includes a yoke 11 formed of a magnetic material, and a first coil fixed inside the yoke 11. 12 and the second coil 13, a permanent magnet 14 fixed between the first coil 12 and the second coil 13, and the first coil 12, the second coil 13 and the permanent magnet 14 inside.
  • the movable iron core 15 that can move in the y-axis direction in FIG. 1 and the drive shaft 16 that is fixed to the movable iron core 15 and reciprocates on a straight line in the y-axis direction as the movable iron core 15 moves. Prepare and speak.
  • the electromagnetic operation mechanism 10 needs to maintain a state in which the movable contact 311 is turned on and off, and has a bistable structure.
  • the movable iron core 15 is attracted to the upper part of the yoke 11 in FIG. 1 by the magnetic force of the permanent magnet 15, and when the coil 13 is energized, the action of the magnetic flux generated by the coil 13
  • the movable iron core 15 is driven downward in FIG. 1 and contacts the lower part of the yoke 11. At this time, the coil 13 is deenergized. Due to the magnetic force of the permanent magnet 14, the movable iron core 15 is stabilized while being adsorbed below the yoke 11.
  • the movable iron core 15 is driven upward in FIG. 1 by the magnetic force of the coil 12 and is attracted to the upper portion of the yoke 11 as shown in FIG.
  • the coil 13 is deenergized, but is stabilized while being attracted to the lower side of the yoke 11 by the magnetic force of the permanent magnet 14.
  • the drive shaft 16 is connected to the connection plate 8 by a connection pin 161 that fits into the connection hole 81 of the connection plate 8.
  • the connecting portion by the connecting pin 161 and the connecting hole 81 constitutes a third connecting portion.
  • the drive shaft 16 moves on a straight line in the y-axis direction that is perpendicular to the shaft center 91 via a distance rb. This distance rb corresponds to the second predetermined distance.
  • the connecting plate 8 rotates around the axis 91 together with the shaft 9. However, since the connecting hole 81 is formed so as to be inclined inward from the outer periphery of the connecting plate 8, the connecting plate 8 rotates.
  • FIG. 1 shows a state in which the movable contact 311 is removed from the fixed contact 211.
  • the movable core 15 of FIG. The drive shaft 16 driven downward and fixed to the movable iron core 15 moves downward on the y-axis.
  • the connecting plate 8 connected to the drive shaft 16 is driven through the third connecting portion including the connecting pin 161 and the connecting hole 81 and rotates counterclockwise. Move.
  • the connecting plate 8 rotates counterclockwise, the operating arm 7 connected to the connecting plate 8 by the connecting pin 71 is driven to the right on the X axis, and the mover 3 is moved to the right in FIG. Drive to.
  • FIG. 2 shows an initial state in which the movable contact 311 starts to contact the fixed contact 211 when the movable element 3 is driven rightward in FIG.
  • contact pressure is applied between the fixed contact 211 and the movable contact 311 by the action of the contact spring 5, and a load force Fa in the direction of the arrow is generated in the operating arm 3.
  • the distance ra between the axis 91 and the connecting pin 71 in the y-axis direction is the position shown in FIG. When it is maximum, it decreases depending on the rotation angle of the connecting plate 8.
  • the distance rb in the X-axis direction between the connecting pin 161 and the shaft center 91 is always constant. Therefore, the load moment Ma decreases depending on the rotation angle of the connecting plate 8 with the position of FIG. 1 as a base point if the load force Fa by the contact pressure spring 5 is constant.
  • the operating moment Mb changes depending only on the driving force Fb of the electromagnetic operating mechanism 10 because the distance rb is constant even when the connecting plate 8 rotates.
  • FIG. 4 shows the relationship between the load force Fa acting on the connecting plate 8 by the contact pressure spring 5 and the load moment Ma.
  • the horizontal axis indicates the stroke [mm] of the operating arm 7 and the vertical axis indicates the force [N].
  • the load force Fa by the contact pressure spring 5 rises at the stroke tl of the operating arm 7, and thereafter, the operating arm 7 passes from the position shown in FIG. 1 to the position shown in FIG. 2 to the position where the movable contact 311 shown in FIG. Until then, the load force Fa increases linearly as shown by the solid line in FIG.
  • the connecting plate 8 and the shaft 9 rotate in response to the operation arm 7 moving from the position shown in FIG. 1 to the position shown in FIG.
  • the axis 91 and the connecting pin 71 are in the y-axis direction as described above.
  • the distance ra decreases depending on the rotation angle of the connecting plate 8 and the shaft 9.
  • the load moment Ma acting on the connecting plate 8 and the shaft 9 changes as shown by the broken line in FIG. 4, and is almost the minimum at the completion position of the movable contact 311 in FIG.
  • the stroke of the operating arm 7 at this closing completion position is indicated by t2 in FIG.
  • a number of links are used to reduce the driving force required for the electromagnetic operation mechanism as in the conventional device, and the link ratio depends on the link ratio.
  • the operating mechanism that does not need to reduce the load force can be simplified and reduced in size, and the controllability and reliability of the circuit breaker can be improved and maintenance-free can be achieved.
  • FIG. 5 is a configuration diagram of a main part of a circuit breaker according to Embodiment 2 of the present invention.
  • the connecting link 17 is rotatably connected to the drive shaft 16 and the connecting plate 8 of the electromagnetic operating mechanism 10 by connecting pins 171 and 172, respectively.
  • the connection between the drive shaft 16 and the connection plate 8 by the connection link 17 constitutes a third connection portion, and the third connection by the connection hole 81 and the connection pin 161 of the connection plate 8 in the first embodiment.
  • the drive shaft 16 is connected to the connecting plate 8 while maintaining the movement of the drive shaft 16 on the straight line in the vertical direction (y-axis direction) in FIG. Is.
  • circuit breaker according to the second embodiment it is not necessary to provide a connection hole, and the manufacture is facilitated.
  • FIG. 6 is a configuration diagram of a main part of a circuit breaker according to Embodiment 3 of the present invention.
  • the stopper pin 801 is fixed to the connecting plate 8.
  • the pin receiver 802 engages with the stopper pin 801 to stop the connecting plate 8 when the connecting plate 8 rotates to the loading completion position (position shown in FIG. 6), and the shaft 91 and the connecting pin 8 Keep 71 and link pin 4 in a straight line.
  • circuit breaker according to the third embodiment it is possible to prevent position displacement in the closing state due to contact wear due to long-term use, variation in assembly, etc., and obtain stable operation performance.
  • FIG. 7 is a configuration diagram of a main part of a circuit breaker according to Embodiment 4 of the present invention.
  • one end of the interlocking shaft 1601 is rotatably connected to the drive shaft 16 of the electromagnetic operating mechanism 10 by a connecting pin 1611.
  • the stopper lever 1602 has one end rotatably supported by a support pin 1613 and a substantially central portion rotatably connected to the other end of the interlocking shaft 1601 by a connecting pin 1612.
  • a stopper pin 8011 is fixed to the other end of the stopper link 1602. As shown in FIG.
  • the stopper pin 8011 engages the notch [not shown] of the connecting plate 8 so as to drive a wedge after the closing operation of the circuit breaker is completed,
  • the positions of the shaft 8 and the shaft 9 are maintained, and the connecting plate 8 is prevented from rotating clockwise and counterclockwise.
  • the stopper pin 801 is mainly intended to prevent the connecting plate 8 and the shaft 9 from rotating further counterclockwise beyond the insertion completion position.
  • the stopper pin 8011 prevents the connecting plate 8 at the completion of the insertion from rotating in either the clockwise direction or the counterclockwise direction, and the rotation angle of the connecting plate 8 at the completion of the insertion is completely set. It is provided for the purpose of maintaining.
  • the shafts 9, the connecting pins 71, and the link pins 4 after the completion of the insertion are not aligned in a straight line, but centered on the shaft 91 of the shaft 9.
  • the connecting pin 71 is at a position advanced in the clockwise direction from the link pin 4. Therefore, a large electromagnetic repulsive force generated when a large current flows between the contacts due to a short circuit or the like, a force that causes a large clockwise rotation force to the connecting plate 8 A stopper that engages the notch of the connecting plate 8 The rotation of the connecting plate 8 and the shaft 9 is prevented by the pins 801 1 and a short-time energization performance is achieved.
  • Other configurations are the same as those in the first embodiment.
  • FIGS. 8 and 9 are configuration diagrams of the main part of the circuit breaker according to Embodiment 5 of the present invention.
  • FIG. 8 shows a trip completion state
  • FIG. 9 shows a closing completion state.
  • the connection hole 810 provided in the connection plate 8 is composed of a first hole 811 and a second hole 812 that are bent and connected in an L shape.
  • the connecting pin 161 provided on the drive shaft 16 is fitted in the second hole of the connecting hole 810, and in the closing completion state shown in FIG. 9, the connecting pin 161 fits into the first hole 811 of the connecting hole 810.
  • the load force Fa acting on the operating arm 7 causes the load component Fb2 to act on the connecting pin 161 via the connecting plate 8 as shown in FIG. To do.
  • Contact surface force of the first hole portion 811 of the connecting hole 810 that engages with the connecting pin 161 If the driving shaft 16 is parallel to the moving direction of the load 6, the load component force Fb2 is only the horizontal component of FIG. In the vertical direction, that is, in the moving direction of the drive shaft 16 of the electromagnetic operating mechanism 10, almost no load component force is generated except for a minute component due to manufacturing variations. Therefore, a large holding force is not required for the electromagnetic operation mechanism 10 to maintain the closing completion state, and the closing completion state can be maintained without increasing the size of the electromagnetic operation mechanism 10.
  • FIG. 10 is a configuration diagram of a main part of a circuit breaker according to Embodiment 6 of the present invention.
  • the connection hole 820 includes a first hole 821 and a second hole 822 that are bent at an angle of about 120 degrees and connected.
  • the connecting pin 161 provided on the drive shaft (not shown) is engaged with the inclined wall portion of the second hole portion 822 of the connecting hole 820! /
  • FIG. 10 shows an engagement state between the connecting pin 161 and the connecting hole 820 in the loading completion state, and a load force Fa (not shown) similar to the load force Fa shown in FIG. Therefore, if the X-axis and y-axis directions are defined as shown in Fig. 10, the load in the same direction as the drive shaft movement direction is applied to the connecting pin 161.
  • a component force Fb3y is generated in the direction of the arrow and acts on the drive shaft of the electromagnetic operating mechanism.
  • the frictional force Fc due to the engagement between the connecting pin 161 and the wall portion of the second hole portion 822 acts along the wall portion of the second hole portion 822, and the component force in the y-axis direction is the drive shaft. Acts as a frictional force Fcy in the direction of movement.
  • ⁇ is the coefficient of friction
  • This frictional component force Fcy is in the opposite direction to the load component force Fb3y, and reduces the load component force Fb3y that attempts to move the drive shaft in the direction of tripping via the connecting pin 161. Since the frictional force Fc is proportional to the friction coefficient of the side surface of the second hole 822 of the connecting hole 820, the high friction member having a large friction coefficient on the wall of at least the second hole 822 of the connecting hole 820. If the frictional force Fc is applied to the connecting pin 161 positively, a large frictional force Fcy that maintains the circuit breaker is fully generated is generated. It is possible to improve the characteristics.
  • Embodiment 7 is the same as those in the first embodiment.
  • Embodiment 7 is the same as those in the first embodiment.
  • FIG. 11 is a configuration diagram of a main part of a circuit breaker according to Embodiment 7 of the present invention.
  • the load force Fa described above is applied to the connecting pin 161 when the circuit breaker is fully charged, the load component force in the direction parallel to the direction of movement of the drive shaft 16 (y-axis direction) and the direction perpendicular to this (X (Axial direction) load component force acts on the drive shaft 16, and the drive shaft 16 may be deformed by the influence of the load component force in the vertical direction (X direction).
  • the drive shaft 16 of the electromagnetic operating mechanism 10 is lengthened, and this drive shaft 16 is supported by a pair of bearings 171 and 172 on both sides of the connecting plate 8. Yes.
  • the connection pin 161 is provided on the drive shaft 16 between the bearings 171 and 172 and is fitted in the connection hole 810 of the connection plate 8.
  • the drive shaft 16 is supported by the pair of bearings 171 and 172, it is possible to prevent deformation of the drive shaft 7 and to improve the electromagnetic resistance characteristics when a large current is applied. it can.
  • FIG. 12 shows the configuration of the main part of the three-phase circuit breaker according to Embodiment 8 of the present invention, in which each phase is collectively operated by one electromagnetic operation mechanism 10. It is.
  • the shaft 9 fixes three connecting plates 8a, 8b and 8c having the same structure.
  • connecting plates 8a, 8b and 8c are connected to the movable contacts 31la, 311b and 311c, respectively.
  • Each connection plate 8a, 8b, 8c and the movable contact 31la, 311b, 311c are connected in the same manner as the shifting force of the first to seventh embodiments.
  • the movable contacts 311a, 311b, and 311c are inserted into or removed from the fixed contacts 21la, 211b, and 211c connected to the conductors of the three phases, respectively.
  • the drive shaft 16 of the electromagnetic operating mechanism 10 is connected to one connecting plate 8b, and this connecting plate 8b is driven to rotate the shaft 9, so that the three phases can be turned on or off all at once. Do. Connecting plate
  • the connection between 8b and drive shaft 16 is configured in the same manner as in any one of the first to seventh embodiments. According to the eighth embodiment, a three-phase circuit breaker having the same effect as any of the first to seventh embodiments can be obtained.
  • FIG. 13 shows the configuration of the main part of the circuit breaker according to Embodiment 9 of the present invention, in which a connecting plate 8d that connects to the drive shaft 16 of the electromagnetic operating mechanism 10 is provided separately.
  • Other configurations are the same as those in the eighth embodiment.
  • the connecting plates 8a, 8b, 8c connected to the movable contacts 311a, 311b, 311c and the connecting plate 8d connected to the drive shaft 16 are fixed to the shaft 9 at different angles, It is possible to obtain an optimum configuration for each connection.
  • the normal movable contact and the fixed contact are used, but it is needless to say that these contacts may be constituted by a vacuum valve.
  • the circuit breaker according to the present invention can be used as a circuit breaker for opening and closing a low-voltage distribution line or the like.
  • FIG. 1 is a configuration diagram showing a circuit breaker according to Embodiment 1 of the present invention.
  • FIG. 2 is a configuration diagram of a main part for explaining the operation of the circuit breaker according to Embodiment 1 of the present invention.
  • FIG. 3 is a configuration diagram of a main part for explaining the operation of the circuit breaker according to Embodiment 1 of the present invention.
  • FIG. 4 is a graph for explaining the operation of the circuit breaker according to Embodiment 1 of the present invention.
  • FIG. 5 is a configuration diagram of a main part of a circuit breaker according to Embodiment 2 of the present invention.
  • FIG. 6 is a configuration diagram of a main part of a circuit breaker according to Embodiment 3 of the present invention.
  • FIG. 7 is a configuration diagram of a main part of a circuit breaker according to Embodiment 4 of the present invention.
  • FIG. 8 is a configuration diagram of a main part of a circuit breaker according to Embodiment 5 of the present invention.
  • FIG. 9 is a configuration diagram of the main part for explaining the operation of the circuit breaker according to Embodiment 5 of the present invention.
  • FIG. 10 is a configuration diagram of a main part of a circuit breaker according to Embodiment 6 of the present invention.
  • FIG. 11 is a configuration diagram of a main part of a circuit breaker according to Embodiment 7 of the present invention.
  • FIG. 12 is a configuration diagram of a main part of a circuit breaker according to Embodiment 8 of the present invention.
  • FIG. 13 is a configuration diagram of a main part of a circuit breaker according to Embodiment 9 of the present invention. Explanation of symbols

Abstract

La présente invention se rapporte à un coupe-circuit comprenant une tige (9), un bras d'actionnement (7) et un moyen de fonctionnement électromagnétique (10). L'arbre (9) pivote autour d'un axe (91). Le bras d'actionnement (7) est relié de manière pivotante par une première section de raccordement à la tige (9) à une première distance prédéterminée (ra) verticalement éloignée de l'axe (91) et il est relié à un élément amovible par une seconde section de raccordement. Le moyen de fonctionnement électromagnétique (10) possède une tige de commande (16) reliée à la tige (9) par une troisième section de raccordement prévue sur une position circonférentiellement différente de la tige (9) par rapport à la première section de raccordement et il est commandé de manière à se déplacer sur une ligne droite croisant perpendiculairement l'axe (91) à une seconde distance prédéterminée (rb) par rapport à l'axe (91). Le moyen de fonctionnement électromagnétique (10) est amené à commander un arbre de commande (16) qui fait pivoter l'arbre (9) pour commander l'élément mobile par l'intermédiaire du bras d'actionnement (7). Une section de mécanisme de fonctionnement est simplifiée et réduite en taille et la capacité de commande et la fiabilité du coupe-circuit sont améliorées.
PCT/JP2005/013396 2005-07-21 2005-07-21 Coupe-circuit WO2007010608A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE112005003632.4T DE112005003632B4 (de) 2005-07-21 2005-07-21 Leistungsschalter
KR1020087001068A KR100967249B1 (ko) 2005-07-21 2005-07-21 차단기
CN2005800510291A CN101223619B (zh) 2005-07-21 2005-07-21 断路器
PCT/JP2005/013396 WO2007010608A1 (fr) 2005-07-21 2005-07-21 Coupe-circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2005/013396 WO2007010608A1 (fr) 2005-07-21 2005-07-21 Coupe-circuit

Publications (1)

Publication Number Publication Date
WO2007010608A1 true WO2007010608A1 (fr) 2007-01-25

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Application Number Title Priority Date Filing Date
PCT/JP2005/013396 WO2007010608A1 (fr) 2005-07-21 2005-07-21 Coupe-circuit

Country Status (4)

Country Link
KR (1) KR100967249B1 (fr)
CN (1) CN101223619B (fr)
DE (1) DE112005003632B4 (fr)
WO (1) WO2007010608A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011086670A1 (fr) * 2010-01-13 2011-07-21 三菱電機株式会社 Dispositif de commutation à fonctionnement électromagnétique
US20140218139A1 (en) * 2013-02-01 2014-08-07 General Electric Company Electrical operator for circuit breaker and method thereof
US9899177B2 (en) 2015-12-28 2018-02-20 Lsis Co., Ltd. Delay time generation apparatus for air circuit breaker

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019038946A1 (fr) * 2017-08-21 2019-02-28 三菱電機株式会社 Disjoncteur

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53141473A (en) * 1977-05-17 1978-12-09 Terasaki Denki Sangyo Kk Air circuit breaker
JPS55121233A (en) * 1979-03-14 1980-09-18 Terasaki Denki Sangyo Kk Atmosphere breaker
JPS59182823U (ja) * 1983-05-24 1984-12-05 日新電機株式会社 遮断器の引外し装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE650810C (de) * 1933-02-12 1937-10-02 Siemens Schuckertwerke Akt Ges Elektromagnetischer Antrieb zum Ausfuehren von zwei entgegengesetzt gerichteten Bewegungen, insbesondere zum Ein- und Ausschalten von elektrischen Schaltern
IT1313278B1 (it) * 1999-07-30 2002-07-17 Abb Ricerca Spa Interruttore di potenza per bassa tensione.
DE10049728C2 (de) * 2000-09-28 2003-01-02 Siemens Ag Antriebsstrang für einen bewegbaren Kontakt eines elektrischen Schalters
CN1226764C (zh) * 2001-08-02 2005-11-09 三菱电机株式会社 空气断路器
DE10146899A1 (de) * 2001-09-24 2003-04-10 Abb Patent Gmbh Elektromagnetischer Aktuator, insbesondere elektromagnetischer Antrieb für ein Schaltgerät
JP4230246B2 (ja) * 2002-08-27 2009-02-25 三菱電機株式会社 操作装置およびその操作装置を使用した開閉装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53141473A (en) * 1977-05-17 1978-12-09 Terasaki Denki Sangyo Kk Air circuit breaker
JPS55121233A (en) * 1979-03-14 1980-09-18 Terasaki Denki Sangyo Kk Atmosphere breaker
JPS59182823U (ja) * 1983-05-24 1984-12-05 日新電機株式会社 遮断器の引外し装置

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011086670A1 (fr) * 2010-01-13 2011-07-21 三菱電機株式会社 Dispositif de commutation à fonctionnement électromagnétique
JP5490147B2 (ja) * 2010-01-13 2014-05-14 三菱電機株式会社 電磁操作方式開閉装置
US8754730B2 (en) 2010-01-13 2014-06-17 Mitsubishi Electric Corporation Electromagnetically operated switching device
CN102656655B (zh) * 2010-01-13 2015-02-11 三菱电机株式会社 电磁操作方式开关装置
US20140218139A1 (en) * 2013-02-01 2014-08-07 General Electric Company Electrical operator for circuit breaker and method thereof
US9184014B2 (en) * 2013-02-01 2015-11-10 General Electric Company Electrical operator for circuit breaker and method thereof
US9899177B2 (en) 2015-12-28 2018-02-20 Lsis Co., Ltd. Delay time generation apparatus for air circuit breaker

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DE112005003632B4 (de) 2014-07-24
DE112005003632T5 (de) 2008-05-29
CN101223619B (zh) 2012-05-30
KR20080026613A (ko) 2008-03-25
KR100967249B1 (ko) 2010-07-01

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