WO2019038813A1 - Electromagnetic operating mechanism and circuit breaker - Google Patents

Electromagnetic operating mechanism and circuit breaker Download PDF

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Publication number
WO2019038813A1
WO2019038813A1 PCT/JP2017/029816 JP2017029816W WO2019038813A1 WO 2019038813 A1 WO2019038813 A1 WO 2019038813A1 JP 2017029816 W JP2017029816 W JP 2017029816W WO 2019038813 A1 WO2019038813 A1 WO 2019038813A1
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WO
WIPO (PCT)
Prior art keywords
core
fixed
iron core
divided
magnetic plate
Prior art date
Application number
PCT/JP2017/029816
Other languages
French (fr)
Japanese (ja)
Inventor
説志 岩下
雄大 相良
聡介 内野
智也 出口
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 CN201780093910.0A priority Critical patent/CN111033669B/en
Priority to JP2019537442A priority patent/JP6707204B2/en
Priority to PCT/JP2017/029816 priority patent/WO2019038813A1/en
Priority to CN201880052996.7A priority patent/CN111052288B/en
Priority to PCT/JP2018/001286 priority patent/WO2019038946A1/en
Priority to TW107112258A priority patent/TWI660388B/en
Priority to TW107122090A priority patent/TWI670741B/en
Publication of WO2019038813A1 publication Critical patent/WO2019038813A1/en

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Classifications

    • 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
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures
    • 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
    • H01H33/02—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

Definitions

  • the present invention relates to an electromagnetic operation mechanism and a circuit breaker for closing operation for bringing a movable contact into contact with a fixed contact or tripping operation for moving the movable contact away from the fixed contact.
  • the electromagnetic control type circuit breaker is known as a circuit breaker which opens and closes an electric path.
  • the electromagnetic operation type circuit breaker is provided with an electromagnetic operation mechanism for closing operation or tripping operation in an insulating housing of the circuit breaker.
  • the electromagnetic operation mechanism is configured such that the movable core coupled to the drive shaft is attracted to the fixed core by excitation of the electromagnetic coil.
  • the stationary core of the electromagnetic operation mechanism is manufactured by laminating and integrating a plurality of stamped magnetic plates as described in Patent Document 2.
  • the electromagnetic operation mechanism of the circuit breaker is generally fixed to an insulating casing, and a fixing iron core is fixed through a screw in a connecting hole formed in the lamination direction of magnetic plates as disclosed in Patent Document 2
  • the variation in thickness of the fixed core sometimes lowers the accuracy of the turning on or off operation.
  • the circuit breaker may not be able to be closed.
  • the variation in the thickness of the fixed core is large, it is conceivable to attach the electromagnetic operation mechanism to the housing in the direction perpendicular to the stacking direction of the magnetic plates, but in the prior art, a dedicated part or a dedicated structure is required. Therefore, the configuration is complicated. In addition, the cause of the variation is increased, and the same problem as in the case where the electromagnetic operation mechanism is fixed to the housing in the stacking direction of the magnetic plates may occur.
  • the present invention is made in view of the above, and an object of the present invention is to obtain an electromagnetic operation mechanism capable of suppressing a variation in position of a drive shaft and performing a stable closing operation.
  • the electromagnetic operation mechanism of the present invention is fixed to a stationary core, a movable core movably provided relative to the stationary core, and a stationary core to generate magnetic flux. And an electromagnetic coil for moving the movable core, and a drive shaft connected to the movable core.
  • the fixed core is formed by laminating a plurality of first magnetic plates, and the first divided core and the second divided core opposed to each other in the direction orthogonal to the stacking direction of the plurality of first magnetic plates, And a plurality of connecting members for connecting the first divided core and the second divided core.
  • Each of the plurality of connecting members has the same shape as the first magnetic plate, and connects the first divided iron core and the second divided iron core in a direction different from the first magnetic plate.
  • a second magnetic plate constituted by a plate and constituting at least one of the plurality of connection members protrudes outward of at least one of the first divided core and the second divided core in a direction orthogonal to the stacking direction.
  • a fixing region fixed to a support provided on the case of the circuit breaker.
  • FIG. 2 is a diagram showing a configuration example of a circuit breaker according to a first embodiment.
  • An exploded perspective view of the electromagnetic operation mechanism according to the first embodiment An external perspective view showing an assembled state of the electromagnetic operation mechanism according to the first embodiment.
  • Top view of the electromagnetic operation mechanism according to the first embodiment Side view of the electromagnetic operation mechanism according to the first embodiment A figure showing an example of composition of a magnetic board concerning Embodiment 1.
  • FIG. 1 is a view showing a configuration example of a circuit breaker according to a first embodiment.
  • the circuit breaker according to the first embodiment is, for example, an air circuit breaker that opens and closes an electric path in the atmosphere, but can also be applied to a circuit breaker other than the air circuit breaker.
  • coordinates of XYZ axes are attached in the drawings.
  • the positive direction of the Z axis is upward, the negative direction of the Z axis is downward, the positive direction of the X axis is rightward, the negative direction of the X axis is left, and the positive direction of the Y axis is forward And the Y-axis negative direction is the back direction.
  • the circuit breaker 100 includes an insulating casing 1, a first fixed conductor 10 connected to a power supply side conductor (not shown), and a load side conductor (not shown) A second fixed conductor 11 connected to each other, a mover 20 having a movable contact 20a, and a flexible conductor 30 electrically connected between the second fixed conductor 11 and the mover 20, Prepare.
  • the first fixed conductor 10 is also referred to as a power supply side terminal, and penetrates the wall 2 of the housing 1 from the outside of the housing 1 to reach the first space 7.
  • One end portion 101 of the first fixed conductor 10 protrudes to the outside of the housing 1 and is connected to a power supply side conductor (not shown).
  • the other end portion 102 of the first fixed conductor 10 is disposed in the first space portion 7, and the fixed contact 10a is fixed.
  • the second fixed conductor 11 is also referred to as a load-side terminal, and, like the first fixed conductor 10, penetrates the wall 2 of the housing 1 from the outside of the housing 1 to reach the first space 7. There is.
  • One end 111 of the second fixed conductor 11 protrudes to the outside of the housing 1 and is connected to a load-side conductor (not shown), and the other end 112 of the second fixed conductor 11 is in the first space 7. Be placed.
  • a movable contact 20 a is provided at one end portion 201 of the mover 20.
  • One end 301 of the flexible conductor 30 is fixed to the other end 202 of the mover 20.
  • the other end 302 of the flexible conductor 30 is fixed to the other end 112 of the second fixed conductor 11.
  • the circuit breaker 100 is attached to the contact pressure spring 41 having one end attached to the other end 202 of the mover 20 and the other end attached to the wall 2 of the housing 1 and the mover 20 And a link pin 42.
  • the contact pressure spring 41 urges the movable element 20 so that the movable contact 20a and the fixed contact 10a approach each other with the link pin 42 as a center, and the movable contact 20a provided on the movable element 20 becomes the fixed contact 10a.
  • the circuit breaker 100 connects the transmission unit 50 connected to the mover 20 by the link pin 42, the electromagnetic operation mechanism 60 for moving the mover 20 via the transmission unit 50, and the transmission unit 50 and the electromagnetic operation mechanism 60. And a connecting portion 70.
  • the transmission unit 50 is disposed across the first space 7 and the second space 8, and the electromagnetic operation mechanism 60 and the coupling unit 70 are disposed in the second space 8.
  • the one end 521 is rotatably connected by the link pin 53 to the operation arm 51 whose one end 511 is rotatably connected to the mover 20 by the link pin 42 and the other end 512 of the operation arm 51.
  • a shaft 54 fixed to a central portion of the connection plate 52 and rotating about an axial center 55.
  • the transmission part 50 is not limited to the structure mentioned above.
  • the transfer unit 50 may be configured such that the mover 20 is connected to the tip end of one rotation member that rotates around the axis 55.
  • the transmission unit 50 may be configured to have one or more link members between the operation arm 51 and the connection plate 52.
  • the electromagnetic operation mechanism 60 is disposed below the connection plate 52, and is fixed to the support portions 4 and 5 projecting from the partition wall 3 of the housing 1 toward the second space portion 8 side.
  • the drive shaft 65 of the electromagnetic operation mechanism 60 is connected to the other end 522 of the connection plate 52 at a predetermined distance from the axial center 55 of the shaft 54 via the connection portion 70.
  • connection unit 70 includes connection pins 71 and 72 and a connection link 73.
  • a connection pin 71 is bridged between one connection hole (not shown) formed in the connection link 73 and the connection hole 67 formed in the drive shaft 65.
  • a connection pin 72 is bridged between the other connection hole (not shown) formed in the connection link 73 and the connection hole (not shown) formed in the middle of the connection plate 52.
  • the rotation of the shaft 54 in the direction in which the one end 521 descends causes the operation arm 51 to be driven by the connection plate 52 via the link pin 53 so as to be linearly arranged in the length direction of the connection plate 52.
  • the mover 20 moves toward the wall 2 while compressing the contact pressure spring 41, and the movable contact 20a contacts the fixed contact 10a.
  • first fixed conductor 10 is electrically connected to second fixed conductor 11 via fixed contact 10a, movable contact 20a, mover 20, and flexible conductor 30. Be done.
  • the circuit breaker 100 includes a holding mechanism (not shown).
  • the input state is held by the holding mechanism.
  • the respective members operate in the opposite direction to the closing operation, and the movable contact 20a is moved away from the fixed contact 10a to be in the separated state shown in FIG.
  • the movement operation from the tripping state to the closing state is performed by the upward movement of the drive shaft 65 of the electromagnetic operation mechanism 60.
  • FIG. 2 is an exploded perspective view of the electromagnetic operation mechanism according to the first embodiment
  • FIG. 3 is an external perspective view showing an assembled state of the electromagnetic operation mechanism according to the first embodiment
  • FIG. 4 is a view according to the first embodiment
  • FIG. 5 is a plan view of an electromagnetic operation mechanism
  • FIG. 5 is a side view of the electromagnetic operation mechanism according to the first embodiment.
  • coordinates of XYZ axes are attached so that the state of the electromagnetic operation mechanism 60 in FIG. 1 is a front view of the electromagnetic operation mechanism 60.
  • the electromagnetic operation mechanism 60 includes a stationary core 61, a cylindrical electromagnetic coil 62 fixed to the stationary core 61, and an insulating bobbin 63 on which the electromagnetic coil 62 is wound.
  • a movable iron core 64 inserted into the inner space of the bobbin 63, a drive shaft 65 connected to the movable iron core 64, and a guide member 66 for guiding the vertical movement of the drive shaft 65.
  • the fixed core 61 has an inner space 68, and the electromagnetic coil 62 and the bobbin 63 are disposed in the inner space 68 of the fixed core 61. Further, a connection hole 67 is formed in one end portion 651 of the drive shaft 65, and the connection hole 67 is used to connect to the other end 522 of the connection plate 52 shown in FIG. The other end 652 of the drive shaft 65 is fixed to the movable core 64.
  • the third inner wall portion 613 and the fourth inner wall portion 614 of the fixed iron core 61 shown in FIG. 2 abut against the middle part of the movable iron core 64 in the detached state shown in FIG. Configured as.
  • the shapes of the third inner wall portion 613 and the fourth inner wall portion 614 are not limited to the shapes shown in FIG.
  • the fixed core 61 is formed by laminating a plurality of magnetic plates 90 in the same direction and is formed of a first divided core 81 and a second divided core 82 facing each other, and one or more magnetic plates 91 each.
  • the plurality of laminated magnetic plates 90 are integrated by caulking, adhesion, or welding.
  • the magnetic plate 90 and the magnetic plate 91 have the same shape, and are produced, for example, by punching a magnetic plate such as silicon steel plate.
  • the magnetic plate 90 is an example of a first magnetic plate
  • the magnetic plate 91 is an example of a second magnetic plate.
  • FIG. 6 is a view showing a configuration example of the magnetic plate according to the first embodiment. Further, in FIG. 6, the upper direction is the Z-axis positive direction, the lower direction is the Z-axis negative direction, and the right direction is the X-axis positive direction.
  • each of the magnetic plates 90 and 91 has an extension portion 92 extending in the vertical direction, a first protrusion 93 projecting to the right from the upper portion of the extension portion 92, and a lower portion of the extension portion 92. And a second protrusion 94 protruding rightward.
  • a plurality of connection holes 95a, 95b, 95c, 95d, and 95e are formed along the vertical direction.
  • a connection hole 95 f is formed at the tip of the first protrusion 93.
  • the connection holes 95a, 95b, 95c, 95d, 95e, 95f may be collectively referred to as connection holes 95.
  • connection hole 95e is disposed at a position farther from the connection hole 95a than the connection hole 95d, and the distance L1 between the connection hole 95a and the connection hole 95e is longer than the distance L2 between the connection hole 95a and the connection hole 95d.
  • the end 911 of the magnetic plate 91 shown in FIG. 6 is used for fixing to the housing 1 as described later.
  • the dimension of the distance L2 since the external size of the electromagnetic operation mechanism 60 changes in accordance with the performance required for the electromagnetic operation mechanism 60, the magnetic plate 90 and the magnetic plate 91 are superimposed in different directions. It can be set arbitrarily according to the external size under the constraint that the connecting holes 95 are aligned.
  • each of the first connection member 83, the second connection member 84, the third connection member 85, and the fourth connection member 86 is configured by one magnetic plate 91
  • the magnetic plates 91 may be stacked in the same direction. Further, in the examples shown in FIG. 2, FIG. 3, FIG. 4 and FIG. 5, the first split iron core 81 and the second split iron core 82 are formed by laminating 19 magnetic plates 90.
  • the number of magnetic plates 90 may be 18 or less, or 20 or more.
  • the first protrusion 93 and the second protrusion 94 of the magnetic plate 90 may be referred to as the first protrusion 93 and the second protrusion 94 of the first split iron core 81, and
  • the first projection 93 and the second projection 94 of 90 may be described as the first projection 93 and the second projection 94 of the second core segment 82.
  • the first split iron core 81 and the second split iron core 82 are arranged so as to be mirror-symmetrical to each other, and the first projection 93 and the second projection 94 Facing each other in the direction of protrusion of
  • a guide member 66 shown in FIG. 2 is disposed between the first projecting portion 93 of the first split core 81 and the first projecting portion 93 of the second split core 82.
  • the guide member 66 is provided with a guide hole 69 through which the drive shaft 65 is inserted, and the first projecting portion 93 of the first divided core 81 and the first projecting portion 93 of the second divided core 82 It is held by
  • the first split iron core 81 and the second split iron core 82 are formed by the first connection member 83 and the second connection member 84 at one end side of the magnetic plate 90 in the stacking direction. They are connected, and are connected by the third connecting member 85 and the fourth connecting member 86 on the other end side in the stacking direction of the magnetic plate 90.
  • the first split iron core 81 and the second split iron core 82 are connected to the first split iron core 81 and the second split iron core 82 by the first connection member 83, the second connection member 84, and the third connection. It is performed by fixing the member 85 and the 4th connection member 86 by connection bolt 87a, 87b, 87c, 87d, 87e, 87f.
  • FIG. 7 shows a first divided core 81 and a second divided core by the first connecting member 83, the second connecting member 84, the third connecting member 85, and the fourth connecting member 86 according to the first embodiment. It is explanatory drawing of the connection method with 82. FIG. For convenience of explanation, the bobbin 63, the movable iron core 64, and the drive shaft 65 are not shown in FIG.
  • the first split iron core 81 and the second split iron core 82 are arranged such that the first protrusions 93 of each other face each other and the second protrusions 94 face each other. In this state, the first split iron core 81 and the second split iron core 82 are mirror symmetric.
  • first projection 93 of the first core segment 81 and the first projection 93 of the second core segment 82 face each other at an interval
  • second projection of the first core segment 81 94 and the second projecting portion 94 of the second split iron core 82 face each other at an interval.
  • a space surrounded by the first split iron core 81 and the second split iron core 82 is the inner space 68 described above.
  • the drive shaft 65 projects out of the stationary core 61 through a gap formed by the first projection 93 of the first core segment 81 and the first projection 93 of the second core segment 82.
  • first connecting members 83 and the second connecting members 84 are arranged such that the first protrusions 93 of each other face each other, and the second protrusions 94 face each other.
  • the magnetic plates 90 constituting the two connecting members 84 are oriented in a direction different from the direction of the magnetic plates 90 constituting the first divided iron core 81 and the second divided iron core 82.
  • the first connecting member 83 is directed from the direction of the magnetic plate 90 constituting the first divided core 81 to the direction along the XZ plane along the XZ plane which is the lamination surface of the magnetic plate 90.
  • the second connecting member 84 is rotated 90 degrees in the direction in which the X axis is superimposed on the Z axis along the XZ plane from the direction of the magnetic plate 90 constituting the second split iron core 82 in a direction rotated 90 degrees. To turn.
  • the third connecting member 85 and the fourth connecting member 86 face each other, and the second projecting portions 94 face each other.
  • the magnetic plates 90 constituting the four connecting members 86 are oriented in a direction different from the direction of the magnetic plates 90 constituting the first divided iron core 81 and the second divided iron core 82.
  • first connecting member 83 and the second connecting member 84 and the third connecting member 85 and the fourth connecting member 86 are mutually connected via the first split iron core 81 and the second split iron core 82. It is arranged to face each other.
  • the first connection is made on the plate surface of the magnetic plate 90 of the uppermost layer among the plurality of magnetic plates 90 stacked in each of the first split iron core 81 and the second split iron core 82.
  • the plate surfaces of the member 83 and the second connection member 84 overlap each other.
  • the plate surfaces of the third connecting member 85 and the fourth connecting member 86 overlap on the plate surface of the lowermost magnetic plate 90 in each of the first divided core 81 and the second divided core 82. become.
  • the first divided iron core 81 and the second divided iron core 82 and the first divided iron core 81 are formed using the connection bolts 87a, 87b, 87c, 87d, 87e and 87f and the nuts 88a, 88b, 88c, 88d, 88e and 88f.
  • the connecting member 83, the second connecting member 84, the third connecting member 85 and the fourth connecting member 86 are fixed.
  • the connection bolt 87a is passed through the connection hole 95a of the first connection member 83, the connection hole 95e of the first split iron core 81, and the connection hole 95a of the third connection member 85, and is fixed by the nut 88a.
  • connection bolts 87b, 87c, 87d, 87e, 87f are similarly fastened with nuts 88b, 88c, 88d, 88e, 88f through the corresponding connection holes 95 respectively.
  • the first split iron core 81 and the second split iron core 82 are connected by the first connection member 83, the second connection member 84, the third connection member 85, and the fourth connection member 86.
  • the first connection member 83 and The second connecting member 84 can be fixed. Therefore, the number of types of magnetic plates constituting the fixed core 61 can be one, and the number of types of parts constituting the fixed core 61 can be reduced as compared with the case of using a plurality of types of magnetic plates.
  • 95e, 95f, the connection holes 95a, 95e, 95f are used to fix the first connection member 83, the second connection member 84, the third connection member 85, and the fourth connection member 86.
  • 95d, 95e, 95f, the connection holes 95a, 95b, 95c, 95d are used to connect the first split iron core 81 and the second split iron core 82.
  • the first divided core 81 and the second divided core 82 and the first connecting member 83, the second connecting member 84, the third connecting member 85 and the fourth connecting member 86 form the connecting hole 95a.
  • the number of connection holes 95 formed in the magnetic plates 90 and 91 can be suppressed, and the reduction in strength of the magnetic plates 90 and 91 can be suppressed.
  • the magnetic boards 90 and 91 mentioned above have six connection holes 95a, 95b, 95c, 95d, 95e, and 95f, the number of the connection holes 95 is not limited to six.
  • the first connecting member 83, the second connecting member 84, the third connecting member 85 and the fourth connecting member 86 are, as shown in FIG. 3, in the first split iron core 81 and the second split iron core 82.
  • At least end portions 831, 841, 851, 861 project outward of the first split iron core 81 and the second split iron core 82 in the Y-axis negative direction orthogonal to the stacking direction of the magnetic plate 90, and the end portions 831, 841, 851 Connection holes 95 e are disposed at 841, 851, 861.
  • the end portions 831, 841, 851, 861 are the end portions 911 of the magnetic plate 91 shown in FIG.
  • the electromagnetic operation mechanism 60 has a first split iron core 81 and a second split by connecting holes 95 a and 95 d whose distance from each other is shorter than the distance L 1 between the connecting holes 95 a and 95 e in the magnetic plate 91.
  • Iron cores 82 are connected. Therefore, the end portions 831, 841, 851, and 861 can be protruded in the X axis negative direction with respect to the first split iron core 81 and the second split iron core 82.
  • a connection hole 95 e formed in the magnetic plate 90 which respectively configures the first connection member 83, the second connection member 84, the third connection member 85, and the fourth connection member 86 corresponds to the partition wall 3 of the housing 1. And the support portion 4 protruding toward the second space portion 8 side, and is used to fix the electromagnetic operation mechanism 60 to the support portion 5.
  • the variation in the distance L3 between the central axis O1 of the drive shaft 65 and the connection hole 95e of the magnetic plate 91 does not depend on the thickness of the first split iron core 81 and the second split iron core 82. Variations in the position of the central axis O1 of the shaft 65 can be suppressed. Hereinafter, this point will be specifically described.
  • FIG. 8 is a view showing a state in which the electromagnetic operation mechanism is fixed to the support portion protruding from the partition wall of the housing according to the first embodiment.
  • the supporting portions 4 and 5 are, for example, ribs projecting from the partition wall 3, but may be metal members attached to the partition wall 3 such as an L-shaped metal fitting fixed to the partition wall 3.
  • the mounting screw 96 is screwed into the screw hole formed in the support portion 4 through the connection hole 95 e of the first connection member 83, whereby the first connection member 83 is the housing 1. It is fixed to Further, the second connection member 84 is fixed to the housing 1 by screwing the attachment screw 97 into the screw hole formed in the support portion 5 through the connection hole 95 e of the second connection member 84.
  • the plate surface of the magnetic plate 91 constituting the first connecting member 83 and the second connecting member 84 that is, the surface in the stacking direction of the magnetic plate 91 is a fixing region fixed to the supporting portions 4 and 5, and the supporting portion It fixes to the support parts 4 and 5 as a mounting surface to 4,5.
  • a mounting screw (not shown) is screwed into a screw hole formed in a rib (not shown) via the connection hole 95e of the third connection member 85, and the third connection member 85 is fixed to the housing 1 Ru. Further, a mounting screw (not shown) is screwed into a screw hole formed in a rib (not shown) through the connection hole 95 e of the fourth connection member 86, and the fourth connection member 86 is fixed to the housing 1 .
  • the first connecting member 83, the second connecting member 84, the third connecting member 85, and the fourth connecting member 86 are attached to the rib has been described, the first connecting member 83 and the second connecting member are described. Only a part of the member 84, the third connecting member 85, and the fourth connecting member 86 may be attached to the rib.
  • the variation of the distance L4 between the central axis O1 of the drive shaft 65 and the partition wall 3 is an outline of the first connecting member 83, the second connecting member 84, the third connecting member 85, and the fourth connecting member 86. It becomes settled by the dispersion
  • the operation mechanism 60 can be fixed to the housing 1, a member for fixing the electromagnetic operation mechanism 60 to the housing 1 is not newly required. Therefore, the number of parts in the circuit breaker 100 can be reduced.
  • 95 e can be used for fixing to the housing 1. Therefore, the number of connection holes 95 formed in the magnetic plates 90 and 91 can be suppressed, and the strength reduction of the magnetic plates 90 and 91 can be suppressed.
  • the circuit breaker 100 includes the first fixed conductor 10, which is an example of the fixed conductor having the fixed contact 10a, the mover 20 having the movable contact 20a, and the drive shaft 65.
  • An electromagnetic operation mechanism 60 and a housing 1 covering the transmission unit 50 are provided.
  • the electromagnetic operation mechanism 60 includes a fixed core 61, a movable core 64 provided movably with respect to the fixed core 61, and an electromagnetic coil 62 fixed to the fixed core 61 and generating magnetic flux to move the movable core 64. , And a drive shaft 65 coupled to the movable core 64.
  • the fixed iron core 61 is formed by laminating a plurality of magnetic plates 90 which are an example of a first magnetic plate, and the first divided iron cores 81 opposed to each other in the direction orthogonal to the laminating direction of the plurality of magnetic plates 90
  • a member 86 is formed by laminating a plurality of magnetic plates 90 which are an example of a first magnetic plate, and the first divided iron cores 81 opposed to each other in the direction orthogonal to the laminating direction of the plurality of magnetic plates 90
  • a first connecting member 83, a second connecting member 84, a third connecting member 85, and a fourth connecting member connecting the second split iron core 82, the first split iron core 81 and the second split iron core 82.
  • the magnetic board 91 which is an example of the 2nd magnetic board which connects the 1st division iron core 81 and the 2nd division iron core 82.
  • the magnetic plate 91 that constitutes at least one of the first connecting member 83, the second connecting member 84, the third connecting member 85, and the fourth connecting member 83 has a stacking direction of the plurality of magnetic plates 90.
  • a fixing region that protrudes outward of at least one of the first split iron core 81 and the second split iron core 82 in the direction orthogonal to the second split iron core and is fixed to the support portions 4 and 5 provided in the housing 1 Have.
  • the variation of the position of the central axis O1 of the drive shaft 65 is the variation of the outer shape of the first connecting member 83, the second connecting member 84, the third connecting member 85 and the fourth connecting member 86, and the connecting hole. It becomes settled by the dispersion of the position of 95e. Therefore, even when the size of the electromagnetic operation mechanism 60 is increased, the number of laminated magnetic plates 90 which constitute the first split iron core 81 and the second split iron core 82 is not affected. Therefore, compared with the case where the first split iron core 81 and the second split iron core 82 are fixed in the stacking direction of the magnetic plate 90, the variation of the position of the central axis O1 of the drive shaft 65 is small. It can be fixed.
  • the positional relationship of the other components coupled to the drive shaft 65 is stabilized, and a stable closing operation can be performed.
  • the magnetic plates 90 and 91 which comprise the fixed iron core 61 are the same shape, the kind of components which comprise the fixed iron core 61 can be reduced.
  • the magnetic plate 91 is fixed to the support portions 4 and 5 with the surface of the end portion 911 in the stacking direction of the magnetic plate 90 as an attachment surface to the support portion 4 and the support portion 5.
  • the magnetic plate 91 can be fixed to the support portions 4 and 5 by surface contact, and the attachment of the electromagnetic operation mechanism 60 to the housing 1 can be stably performed.
  • the side surface of the end portion 911 may be used instead of the surface of the end portion 911 as a fixing region fixed to the support portion 4 and the support portion 5.
  • the moving direction of the movable iron core 64 is a direction orthogonal to the stacking direction of the magnetic plates 90.
  • the magnetic plate 91 has an end portion outward of at least one of the first divided iron core 81 and the second divided iron core 82 in the direction orthogonal to the stacking direction of the magnetic plate 90 and the moving direction of the movable iron core 64. 911 protrudes. Therefore, the length of the fixed iron core 61 in the moving direction of the movable iron core 64 can be suppressed, and the length of the electromagnetic operation mechanism 60 excluding the drive shaft 65 can be suppressed in the moving direction of the movable iron core 64.
  • connection holes 95a, 95b, 95c, 95d, 95e, 95f are formed in the magnetic plate 90 and the magnetic plate 91, and the plurality of connection holes 95a, 95b, 95c, 95d, 95e, 95f are formed.
  • a connection hole 95 e is formed at the end 911.
  • connection holes 95e among the plurality of connection holes 95a, 95b, 95c, 95d, 95e, 95f are connected to the magnetic plate 91 of the first split iron core 81 and the second split iron core 82 to the magnetic plate 90, It is selectively used for fixing the magnetic plate 91 to the support 4 and the support 5. Thereby, the number of connection holes 95 formed in the magnetic plates 90 and 91 can be suppressed, and the strength reduction of the magnetic plates 90 and 91 can be suppressed.
  • first connecting member 83, the second connecting member 84, the third connecting member 85 and the fourth connecting member 86 is protruded in the direction orthogonal to the central axis O1 of the drive shaft 65.
  • first connecting member 83, the second connecting member 84, the third connecting member 85, and the fourth connecting member 84 are fixed.
  • the second embodiment differs from the first embodiment in that a part of the connecting member 86 is protruded in a direction along the central axis O1 of the drive shaft 65 to be fixed to the support portions 4 and 5 of the housing 1.
  • FIG. 9 is a view showing a configuration example of a magnetic plate constituting the fixed core of the electromagnetic operation mechanism according to the second embodiment
  • FIG. 10 is a plan view of the electromagnetic operation mechanism according to the second embodiment.
  • the upper direction is the Z-axis positive direction
  • the lower direction is the Z-axis negative direction
  • the right direction is the X-axis positive direction.
  • the electromagnetic operation mechanism 60A uses magnetic plates 90A and 91A having a shape different from that of the magnetic plates 90 and 91 according to the first embodiment. As shown in FIG. 9, the magnetic plates 90A and 91A have the same shape as each other as the magnetic plates 90 and 91 do.
  • the magnetic plates 90A and 91A have an extending portion 92A extending in the vertical direction, a first projecting portion 93A projecting rightward from the upper portion of the extending portion 92A, and a second projecting rightward from the lower portion of the extending portion 92A. And a protrusion 94A.
  • connection holes 98a, 98b, 98c, 98d, 98e, 98f are formed in the extending portion 92A, and the connecting hole 98g is formed in the first projecting portion 93A.
  • connection holes 98a, 98b, 98c, 98d, 98e and 98g may be collectively referred to as connection holes 98.
  • the fixed core 61A includes a first divided core 81A and a second divided core 82A, a first connecting member 83A, a second connecting member 84A, a third connecting member 85A and a fourth connecting member.
  • first divided iron core 81A and the second divided iron core 82A by the connecting bolts 87a, 87b, 87c, 87d, 87e, 87f, and the first connecting member 83A, the second connecting member 84A, the third connecting member 85A and the fourth connecting member 86A are fixed.
  • the first split iron core 81A and the second split iron core 82A are constituted by the magnetic plate 90A, and the first connection member 83A, the second connection member 84A, the third connection member 85A and the fourth connection member 86A are , And magnetic plate 91A.
  • the third connecting member 85A and the fourth connecting member 86A are hidden by the first connecting member 83A and the second connecting member 84A and are not shown.
  • connection holes 98a, 98b, 98c, 98d, 98e, 98f and 98g of the magnetic plate 90A are the first connection member 83A and the second connection member 84A.
  • the third connecting member 85A and the fourth connecting member 86A are the connection holes 98a, 98b, 98c, 98d, 98e, 98f and 98g formed in the magnetic plate 91A.
  • the connection holes 98b, 98c, 98d and 94f are divided into the first divided iron core 81A and the second divided It is used for connection with the iron core 82A.
  • the magnetic plates 90A and 91A have seven connection holes 98, as in the case of the magnetic plates 90 and 91, the number of connection holes 98 is not limited to the number shown in FIG.
  • the first connecting member 83A and the second connecting member 84A are vertical directions that are orthogonal to the stacking direction of the magnetic plates 90A in the first divided core 81A and the second divided core 82A. At least the end portions 832A and 842A project outward beyond the first split iron core 81A and the second split iron core 82A. Also, although not shown, the end portions of the third connecting member 85A and the fourth connecting member 86A similarly project outward of the first divided core 81A and the second divided core 81A in the vertical direction.
  • the end portions 832A and 842A are the end portions 912A of the magnetic plate 91A shown in FIG.
  • connection holes 98a and 98e formed in the magnetic plate 90A that respectively configure the first connection member 83A, the second connection member 84A, the third connection member 85A, and the fourth connection member 86A It is used to fix the electromagnetic operation mechanism 60A to the supports 4 and 5 protruding from the wall 3.
  • FIG. 11 is a view showing a state in which the electromagnetic operation mechanism is fixed to the support portion protruding from the partition wall of the casing according to the second embodiment.
  • the first connection member 83A is formed by screwing the attachment screw 96 into the screw hole formed in the support 4 via the connection hole 98e of the first connection member 83A. It is fixed to Further, the second connection member 84 is fixed to the housing 1 by screwing the mounting screw 97 into the screw hole formed in the support portion 5 via the connection hole 98 e of the second connection member 84A.
  • the third connecting member 85A and the fourth connecting member 86A are similarly fixed to the support portions 4 and 5 by mounting screws (not shown).
  • the plate surface of the magnetic plate 91A constituting the first connecting member 83A, the second connecting member 84A, the third connecting member 85A and the fourth connecting member 86A, that is, the surface in the stacking direction of the magnetic plate 91A is a support It fixes to the support parts 4 and 5 as a mounting surface to 4,5.
  • the variation of the distance L5 between the central axis O1 of the drive shaft 65 and the partition wall 3 is an outline of the first connecting member 83A, the second connecting member 84A, the third connecting member 85A and the fourth connecting member 86A. It becomes settled by the dispersion
  • the electromagnetic operation mechanism 60A is fixed to the housing 1 using the connection holes 98e of the first connection member 83A, the second connection member 84A, the third connection member 85A, and the fourth connection member 86A.
  • the electromagnetic operation mechanism 60A is formed using only a part of the connection holes 98e of the first connection member 83A, the second connection member 84A, the third connection member 85A, and the fourth connection member 86A. It may be fixed to
  • the electromagnetic operation mechanism 60A is fixed to the housing 1 using all of the connection holes 98e of the first connection member 83A, the second connection member 84A, the third connection member 85A, and the fourth connection member 86A. You can also.
  • FIG. 12 is a plan view of an electromagnetic operation mechanism of another configuration according to the second embodiment.
  • the electromagnetic operation mechanism 60A includes one of the first connecting member 83A, the second connecting member 84A, the third connecting member 85A, and the fourth connecting member 86A.
  • the end 912A of the magnetic plate 91A to be separated is a first divided core 81A and a second divided core in a direction orthogonal to the stacking direction of the plurality of magnetic plates 90A in the first divided core 81A and the second divided core 82A. It has a fixed area which protrudes to the outside of at least one of 82 A and is fixed to the supports 4 and 5 provided on the housing 1.
  • the projecting direction of the end 912A of the magnetic plate 91A is the moving direction of the movable iron core 64.
  • the length of fixed iron core 61A can be suppressed in the width direction which is a direction orthogonal to the moving direction of movable iron core 64 and the lamination direction of magnetic plate 90A, and the length of electromagnetic operation mechanism 60A in the width direction Can be reduced.
  • the protruding end portions 911 and 912A of the magnetic plates 91 and 91A are fixed to the supporting portions 4 and 5, but a part of the magnetic plates 91 and 91A protruding is the supporting portion What is necessary is just to be fixed to 4 and 5, and it is not limited to the example in which the end parts 911 and 912A are fixed to the support parts 4 and 5.
  • the electromagnetic operation mechanism 60, 60A is at least one of the tripping operation and the maintenance of the tripping state
  • the electromagnetic operation mechanism 60, 60A is at least one of the tripping operation and the maintenance of the tripping state.
  • an additional electromagnetic coil for moving the drive shaft 65 downward is fixed to the fixed iron cores 61, 61A, and an excitation current is caused to flow through the additional electromagnetic coil. At least one of the removal operation and the maintenance of the release state is performed.
  • the configuration shown in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and one of the configurations is possible within the scope of the present invention. Parts can be omitted or changed.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

In this invention, a fixed iron core (61) of an electromagnetic operating mechanism (60) comprises: a first divided iron core (81) and a second divided iron core (82) each formed from a stack of a plurality of magnetic plates (90); and a first linking member (83), a second linking member (84), a third linking member (85), and a fourth linking member (86) each comprising a magnetic plate (91). The magnetic plate (91) has an identical shape to that of the magnetic plates (90), and links the first divided iron core (81) to the second divided iron core (82) while being oriented differently from the magnetic plates (90). Each magnetic plate (91) has a fixing region to be fixed to a support part provided in a circuit breaker casing, said fixing region protruding to the outer side of at least one from among the first divided iron core (81) and the second divided iron core (82) in an orthogonal direction to the stacking direction of the plurality of magnetic plates (90) comprised in the first divided iron core (81) and the second divided iron core (82).

Description

電磁操作機構および遮断器Electromagnetic operating mechanism and circuit breaker
　本発明は、可動接点を固定接点に接触させる投入操作または可動接点を固定接点から離す引外し操作のための電磁操作機構および遮断器に関する。 The present invention relates to an electromagnetic operation mechanism and a circuit breaker for closing operation for bringing a movable contact into contact with a fixed contact or tripping operation for moving the movable contact away from the fixed contact.
　従来、電路の開閉を行う遮断器として、電磁操作式の遮断器が知られている。電磁操作式の遮断器は、特許文献１に記載されているように、投入操作または引外し操作のための電磁操作機構が遮断器における絶縁性の筐体内に設けられている。 DESCRIPTION OF RELATED ART Conventionally, the electromagnetic control type circuit breaker is known as a circuit breaker which opens and closes an electric path. As described in Patent Document 1, the electromagnetic operation type circuit breaker is provided with an electromagnetic operation mechanism for closing operation or tripping operation in an insulating housing of the circuit breaker.
　電磁操作機構は、電磁コイルの励磁により駆動シャフトに連結された可動鉄心が固定鉄心に吸引されるように構成されている。電磁操作機構の固定鉄心は、特許文献２に記載されているように、打ち抜き加工された複数の磁性板を積層して一体化することによって製作される。 The electromagnetic operation mechanism is configured such that the movable core coupled to the drive shaft is attracted to the fixed core by excitation of the electromagnetic coil. The stationary core of the electromagnetic operation mechanism is manufactured by laminating and integrating a plurality of stamped magnetic plates as described in Patent Document 2.
特開２００８－１５９２７０号公報JP 2008-159270 A 特開平６－８９８０８号公報JP-A-6-89808
　電磁操作機構を有する遮断器において、投入に大きな力が必要な場合、電磁操作機構の出力も大きくなり、磁性板の積層枚数も多くなる。磁性板の積層枚数が多くなると、磁性板の積層方向における固定鉄心の長さである固定鉄心の厚みのばらつきが大きくなる。 In a circuit breaker having an electromagnetic operation mechanism, when a large force is required for closing, the output of the electromagnetic operation mechanism also increases and the number of laminated magnetic plates also increases. When the number of laminated magnetic plates increases, the variation in thickness of the fixed iron core, which is the length of the fixed iron core in the lamination direction of the magnetic plates, increases.
　遮断器の電磁操作機構は、一般に絶縁性の筐体に固定されており、特許文献２に開示されているように磁性板の積層方向に形成された連結穴にネジを通して固定鉄心を固定する場合、固定鉄心の厚みのばらつきによって投入操作または引外し操作の精度が低下する場合がある。 The electromagnetic operation mechanism of the circuit breaker is generally fixed to an insulating casing, and a fixing iron core is fixed through a screw in a connecting hole formed in the lamination direction of magnetic plates as disclosed in Patent Document 2 The variation in thickness of the fixed core sometimes lowers the accuracy of the turning on or off operation.
　例えば、固定鉄心の厚みのばらつきが大きくなると駆動シャフトの位置のばらつきが大きくなって、駆動シャフトに連結される伝達機構のリンクの位置が大きくずれる場合がある。この場合、伝達機構による可動接点の移動量を確保できなくなる可能性がある。また、場合によっては、遮断器が投入不能になる可能性もある。 For example, if the variation in the thickness of the fixed iron core becomes large, the variation in the position of the drive shaft becomes large, and the position of the link of the transmission mechanism connected to the drive shaft may be largely displaced. In this case, there is a possibility that the moving amount of the movable contact by the transmission mechanism can not be secured. Also, in some cases, the circuit breaker may not be able to be closed.
　固定鉄心の厚みのばらつきが大きい場合、磁性板の積層方向と垂直の方向で電磁操作機構を筐体に取り付けることが考えられるが、従来の技術では、専用の部品または専用の構造が必要となるため、構成が複雑化する。また、ばらつきの要因が増え、磁性板の積層方向で電磁操作機構を筐体に固定した場合と同様の問題が発生する可能性がある。 If the variation in the thickness of the fixed core is large, it is conceivable to attach the electromagnetic operation mechanism to the housing in the direction perpendicular to the stacking direction of the magnetic plates, but in the prior art, a dedicated part or a dedicated structure is required. Therefore, the configuration is complicated. In addition, the cause of the variation is increased, and the same problem as in the case where the electromagnetic operation mechanism is fixed to the housing in the stacking direction of the magnetic plates may occur.
　本発明は、上記に鑑みてなされたものであって、駆動シャフトの位置のばらつきを抑制し、安定した投入操作を行うことができる電磁操作機構を得ることを目的とする。 The present invention is made in view of the above, and an object of the present invention is to obtain an electromagnetic operation mechanism capable of suppressing a variation in position of a drive shaft and performing a stable closing operation.
　上述した課題を解決し、目的を達成するために、本発明の電磁操作機構は、固定鉄心と、固定鉄心に対して移動可能に設けられた可動鉄心と、固定鉄心に固定され、磁束を発生して可動鉄心を移動させる電磁コイルと、可動鉄心に連結される駆動シャフトとを備える。固定鉄心は、複数の第１の磁性板が積層されて各々形成され、複数の第１の磁性板の積層方向と直交する方向において互いに対向する第１の分割鉄心および第２の分割鉄心と、第１の分割鉄心と第２の分割鉄心とを連結する複数の連結部材とを備える。複数の連結部材の各々は、第１の磁性板と同一形状を有し、かつ第１の磁性板とは異なる向きで第１の分割鉄心と第２の分割鉄心とを連結する第２の磁性板により構成され、複数の連結部材のうち少なくとも一つを構成する第２の磁性板は、積層方向と直交する方向において、第１の分割鉄心および第２の分割鉄心の少なくとも一方の外側へ突出し、かつ、遮断器の筐体に設けられた支持部に固定される固定領域を有する。 In order to solve the problems described above and achieve the object, the electromagnetic operation mechanism of the present invention is fixed to a stationary core, a movable core movably provided relative to the stationary core, and a stationary core to generate magnetic flux. And an electromagnetic coil for moving the movable core, and a drive shaft connected to the movable core. The fixed core is formed by laminating a plurality of first magnetic plates, and the first divided core and the second divided core opposed to each other in the direction orthogonal to the stacking direction of the plurality of first magnetic plates, And a plurality of connecting members for connecting the first divided core and the second divided core. Each of the plurality of connecting members has the same shape as the first magnetic plate, and connects the first divided iron core and the second divided iron core in a direction different from the first magnetic plate. A second magnetic plate constituted by a plate and constituting at least one of the plurality of connection members protrudes outward of at least one of the first divided core and the second divided core in a direction orthogonal to the stacking direction. And a fixing region fixed to a support provided on the case of the circuit breaker.
　本発明によれば、駆動シャフトの位置のばらつきを抑制し、安定した投入操作を行うことができる、という効果を奏する。 ADVANTAGE OF THE INVENTION According to this invention, the variation in the position of a drive shaft is suppressed and it is effective in the ability to perform stable injection | throwing-in operation.
実施の形態１にかかる遮断器の構成例を示す図FIG. 2 is a diagram showing a configuration example of a circuit breaker according to a first embodiment. 実施の形態１にかかる電磁操作機構の分解斜視図An exploded perspective view of the electromagnetic operation mechanism according to the first embodiment 実施の形態１にかかる電磁操作機構の組み立て状態を示す外観斜視図An external perspective view showing an assembled state of the electromagnetic operation mechanism according to the first embodiment. 実施の形態１にかかる電磁操作機構の平面図Top view of the electromagnetic operation mechanism according to the first embodiment 実施の形態１にかかる電磁操作機構の側面図Side view of the electromagnetic operation mechanism according to the first embodiment 実施の形態１にかかる磁性板の構成例を示す図A figure showing an example of composition of a magnetic board concerning Embodiment 1. 実施の形態１にかかる第１の連結部材、第２の連結部材、第３の連結部材および第４の連結部材による第１の分割鉄心と第２の分割鉄心との連結方法の説明図Explanatory drawing of the connection method of the 1st division iron core and the 2nd division iron core by the 1st connection member concerning the 1st embodiment, the 2nd connection member, the 3rd connection member, and the 4th connection member 実施の形態１にかかる筐体の仕切壁から突出する支持部に電磁操作機構が固定された状態を示す図The figure which shows the state by which the electromagnetic control mechanism was fixed to the support part which protrudes from the partition wall of the housing | casing concerning Embodiment 1. 実施の形態２にかかる電磁操作機構の固定鉄心を構成する磁性板の構成例を示す図The figure which shows the structural example of the magnetic board which comprises the fixed iron core of the electromagnetic operation mechanism concerning Embodiment 2. 実施の形態２にかかる電磁操作機構の平面図Top view of the electromagnetic operation mechanism according to the second embodiment 実施の形態２にかかる筐体の仕切壁から突出する支持部に電磁操作機構が固定された状態を示す図The figure which shows the state by which the electromagnetic control mechanism was fixed to the support part which protrudes from the partition wall of the housing | casing concerning Embodiment 2. 実施の形態２にかかる他の構成の電磁操作機構の平面図A plan view of an electromagnetic operation mechanism of another configuration according to the second embodiment
　以下に、本発明の実施の形態にかかる電磁操作機構および遮断器を図面に基づいて詳細に説明する。なお、この実施の形態によりこの発明が限定されるものではない。 Hereinafter, an electromagnetic operation mechanism and a circuit breaker according to an embodiment of the present invention will be described in detail based on the drawings. The present invention is not limited by the embodiment.
実施の形態１．
　図１は、実施の形態１にかかる遮断器の構成例を示す図である。実施の形態１にかかる遮断器は、例えば、大気中で電路を開閉する気中遮断器であるが、気中遮断器以外の遮断器に適用することもできる。なお、以下においては、説明の便宜上、図面においてＸＹＺ軸の座標を付している。かかるＸＹＺ軸の座標において、Ｚ軸正方向を上方向とし、Ｚ軸負方向を下方向とし、Ｘ軸正方向を右方向とし、Ｘ軸負方向を左方向とし、Ｙ軸正方向を前方向とし、Ｙ軸負方向を後方向とする。 Embodiment 1
FIG. 1 is a view showing a configuration example of a circuit breaker according to a first embodiment. The circuit breaker according to the first embodiment is, for example, an air circuit breaker that opens and closes an electric path in the atmosphere, but can also be applied to a circuit breaker other than the air circuit breaker. In the following, for convenience of explanation, coordinates of XYZ axes are attached in the drawings. In the coordinates of the XYZ axes, the positive direction of the Z axis is upward, the negative direction of the Z axis is downward, the positive direction of the X axis is rightward, the negative direction of the X axis is left, and the positive direction of the Y axis is forward And the Y-axis negative direction is the back direction.
　図１に示すように、実施の形態１にかかる遮断器１００は、絶縁性の筐体１と、不図示の電源側導体に接続される第１の固定導体１０と、不図示の負荷側導体に接続される第２の固定導体１１と、可動接点２０ａを有する可動子２０と、第２の固定導体１１と可動子２０とを電気的に接続し可撓性を有する可撓導体３０とを備える。 As shown in FIG. 1, the circuit breaker 100 according to the first embodiment includes an insulating casing 1, a first fixed conductor 10 connected to a power supply side conductor (not shown), and a load side conductor (not shown) A second fixed conductor 11 connected to each other, a mover 20 having a movable contact 20a, and a flexible conductor 30 electrically connected between the second fixed conductor 11 and the mover 20, Prepare.
　筐体１の内部には、仕切壁３で仕切られて第１の空間部７および第２の空間部８が形成されている。第１の固定導体１０は、電源側端子とも称され、筐体１の外部から筐体１の壁部２を貫通し第１の空間部７まで達している。第１の固定導体１０の一端部１０１は、筐体１の外部に突出して不図示の電源側導体に接続される。第１の固定導体１０の他端部１０２は、第１の空間部７に配置され、固定接点１０ａが固定される。 Inside the housing 1, a first space portion 7 and a second space portion 8 are formed by being separated by the partition wall 3. The first fixed conductor 10 is also referred to as a power supply side terminal, and penetrates the wall 2 of the housing 1 from the outside of the housing 1 to reach the first space 7. One end portion 101 of the first fixed conductor 10 protrudes to the outside of the housing 1 and is connected to a power supply side conductor (not shown). The other end portion 102 of the first fixed conductor 10 is disposed in the first space portion 7, and the fixed contact 10a is fixed.
　第２の固定導体１１は、負荷側端子とも称され、第１の固定導体１０と同様に、筐体１の外部から筐体１の壁部２を貫通し第１の空間部７まで達している。第２の固定導体１１の一端部１１１は、筐体１の外部に突出して不図示の負荷側導体に接続され、第２の固定導体１１の他端部１１２は、第１の空間部７に配置される。 The second fixed conductor 11 is also referred to as a load-side terminal, and, like the first fixed conductor 10, penetrates the wall 2 of the housing 1 from the outside of the housing 1 to reach the first space 7. There is. One end 111 of the second fixed conductor 11 protrudes to the outside of the housing 1 and is connected to a load-side conductor (not shown), and the other end 112 of the second fixed conductor 11 is in the first space 7. Be placed.
　可動子２０の一端部２０１には、可動接点２０ａが設けられる。可動子２０の他端部２０２には、可撓導体３０の一端部３０１が固定される。可撓導体３０の他端部３０２は、第２の固定導体１１の他端部１１２に固定される。 A movable contact 20 a is provided at one end portion 201 of the mover 20. One end 301 of the flexible conductor 30 is fixed to the other end 202 of the mover 20. The other end 302 of the flexible conductor 30 is fixed to the other end 112 of the second fixed conductor 11.
　また、遮断器１００は、可動子２０の他端部２０２に一端部が取り付けられ、筐体１の壁部２に他端部が取り付けられた接圧ばね４１と、可動子２０に取り付けられたリンクピン４２とを備える。接圧ばね４１は、リンクピン４２を中心として可動子２０を可動接点２０ａと固定接点１０ａとが近づくように回転させる方向に付勢し、可動子２０に設けられた可動接点２０ａが固定接点１０ａに接続されたときに固定接点１０ａと可動接点２０ａとの間に接触圧力を与える。 Moreover, the circuit breaker 100 is attached to the contact pressure spring 41 having one end attached to the other end 202 of the mover 20 and the other end attached to the wall 2 of the housing 1 and the mover 20 And a link pin 42. The contact pressure spring 41 urges the movable element 20 so that the movable contact 20a and the fixed contact 10a approach each other with the link pin 42 as a center, and the movable contact 20a provided on the movable element 20 becomes the fixed contact 10a. Provides a contact pressure between the fixed contact 10a and the movable contact 20a when connected to the
　遮断器１００は、リンクピン４２によって可動子２０に連結された伝達部５０と、伝達部５０を介して可動子２０を移動させる電磁操作機構６０と、伝達部５０と電磁操作機構６０とを連結する連結部７０とを備える。なお、伝達部５０は、第１の空間部７と第２の空間部８とに跨って配置され、電磁操作機構６０および連結部７０は、第２の空間部８に配置される。 The circuit breaker 100 connects the transmission unit 50 connected to the mover 20 by the link pin 42, the electromagnetic operation mechanism 60 for moving the mover 20 via the transmission unit 50, and the transmission unit 50 and the electromagnetic operation mechanism 60. And a connecting portion 70. The transmission unit 50 is disposed across the first space 7 and the second space 8, and the electromagnetic operation mechanism 60 and the coupling unit 70 are disposed in the second space 8.
　伝達部５０は、一端部５１１がリンクピン４２によって可動子２０と回転可能に連結された操作アーム５１と、操作アーム５１の他端部５１２にリンクピン５３によって一端部５２１が回転可能に連結された連結板５２と、連結板５２の中央部に固定され、軸心５５を中心に回転するシャフト５４とを備える。 In the transmission unit 50, the one end 521 is rotatably connected by the link pin 53 to the operation arm 51 whose one end 511 is rotatably connected to the mover 20 by the link pin 42 and the other end 512 of the operation arm 51. And a shaft 54 fixed to a central portion of the connection plate 52 and rotating about an axial center 55.
　なお、伝達部５０は、上述した構成に限定されない。例えば、伝達部５０は、軸心５５を中心として回転する１つの回転部材の先端部に可動子２０が連結される構成であってもよい。また、伝達部５０は、操作アーム５１と連結板５２との間に１つ以上のリンク部材を有する構成であってもよい。 In addition, the transmission part 50 is not limited to the structure mentioned above. For example, the transfer unit 50 may be configured such that the mover 20 is connected to the tip end of one rotation member that rotates around the axis 55. The transmission unit 50 may be configured to have one or more link members between the operation arm 51 and the connection plate 52.
　電磁操作機構６０は、連結板５２の下方に配置されており、筐体１の仕切壁３から第２の空間部８側へ向けて突出する支持部４，５に固定される。電磁操作機構６０の駆動シャフト６５は、連結板５２の他端部５２２であってシャフト５４の軸心５５に対して所定距離を隔てた位置に連結部７０を介して連結される。 The electromagnetic operation mechanism 60 is disposed below the connection plate 52, and is fixed to the support portions 4 and 5 projecting from the partition wall 3 of the housing 1 toward the second space portion 8 side. The drive shaft 65 of the electromagnetic operation mechanism 60 is connected to the other end 522 of the connection plate 52 at a predetermined distance from the axial center 55 of the shaft 54 via the connection portion 70.
　連結部７０は、連結ピン７１，７２と、連結リンク７３とを備える。連結リンク７３に形成された不図示の一方の連結穴と、駆動シャフト６５に形成された連結穴６７とには連結ピン７１が架け渡される。連結リンク７３に形成された不図示の他方の連結穴と、連結板５２の中途部に形成された不図示の連結穴とには連結ピン７２が架け渡される。 The connection unit 70 includes connection pins 71 and 72 and a connection link 73. A connection pin 71 is bridged between one connection hole (not shown) formed in the connection link 73 and the connection hole 67 formed in the drive shaft 65. A connection pin 72 is bridged between the other connection hole (not shown) formed in the connection link 73 and the connection hole (not shown) formed in the middle of the connection plate 52.
　ここで、可動接点２０ａを移動させて固定接点１０ａに接触させる操作である投入操作について説明する。図１に示すように遮断器１００が引外し状態、すなわち、可動接点２０ａが固定接点１０ａから離れている状態で、電磁操作機構６０の駆動シャフト６５が上方へ移動すると、駆動シャフト６５に連結部７０を介して連結された連結板５２が連結部７０を介して駆動されて軸心５５を中心に一端部５２１が下がる方向に回転する。 Here, a closing operation, which is an operation of moving the movable contact 20a to contact the fixed contact 10a, will be described. As shown in FIG. 1, when the drive shaft 65 of the electromagnetic operating mechanism 60 moves upward with the circuit breaker 100 in the tripped state, that is, with the movable contact 20a separated from the fixed contact 10a, the connecting portion of the drive shaft 65 The connecting plate 52 connected via 70 is driven via the connecting portion 70 to rotate the one end portion 521 about the axis 55 in the downward direction.
　一端部５２１が下がる方向にシャフト５４が回転することで、操作アーム５１は、連結板５２の長さ方向に直線状に配列されるようにリンクピン５３を介して連結板５２により駆動される。操作アーム５１が駆動されると、可動子２０が壁部２側へ向けて接圧ばね４１を圧縮しつつ移動し、可動接点２０ａが固定接点１０ａに接触する。 The rotation of the shaft 54 in the direction in which the one end 521 descends causes the operation arm 51 to be driven by the connection plate 52 via the link pin 53 so as to be linearly arranged in the length direction of the connection plate 52. When the operation arm 51 is driven, the mover 20 moves toward the wall 2 while compressing the contact pressure spring 41, and the movable contact 20a contacts the fixed contact 10a.
　可動接点２０ａが固定接点１０ａに接触した後、接圧ばね４１によって可動子２０がリンクピン４２を中心として可動接点２０ａが固定接点１０ａに近づく方向へ回動することで、固定接点１０ａと可動接点２０ａとの間に接触圧力が与えられ、遮断器１００は投入状態となる。遮断器１００が投入状態である場合、第１の固定導体１０は、固定接点１０ａ、可動接点２０ａ、可動子２０、および可撓導体３０を介して、第２の固定導体１１と電気的に接続される。 After the movable contact 20a comes in contact with the fixed contact 10a, the movable contact 20 is rotated about the link pin 42 in the direction to move the movable contact 20a closer to the fixed contact 10a by the contact pressure spring 41, whereby the fixed contact 10a and the movable contact A contact pressure is applied between the circuit breaker 20 and the circuit breaker 20a, and the circuit breaker 100 is in the closed state. When circuit breaker 100 is in the closed state, first fixed conductor 10 is electrically connected to second fixed conductor 11 via fixed contact 10a, movable contact 20a, mover 20, and flexible conductor 30. Be done.
　遮断器１００は、不図示の保持機構を備える。かかる保持機構により、上記投入状態が保持される。保持機構による投入状態の保持を解くことで、投入動作とは逆向きに各部材が動作し、可動接点２０ａは固定接点１０ａから離反した位置になって図１に示す引外し状態となる。 The circuit breaker 100 includes a holding mechanism (not shown). The input state is held by the holding mechanism. By releasing the holding of the closed state by the holding mechanism, the respective members operate in the opposite direction to the closing operation, and the movable contact 20a is moved away from the fixed contact 10a to be in the separated state shown in FIG.
　このように、実施の形態１にかかる遮断器１００では、電磁操作機構６０の駆動シャフト６５の上方への移動によって引外し状態から投入状態への投入操作が行われる。 As described above, in the circuit breaker 100 according to the first embodiment, the movement operation from the tripping state to the closing state is performed by the upward movement of the drive shaft 65 of the electromagnetic operation mechanism 60.
　以下、電磁操作機構６０の構成について具体的に説明する。図２は、実施の形態１にかかる電磁操作機構の分解斜視図、図３は、実施の形態１にかかる電磁操作機構の組み立て状態を示す外観斜視図、図４は、実施の形態１にかかる電磁操作機構の平面図であり、図５は、実施の形態１にかかる電磁操作機構の側面図である。なお、図２から図５では、図１における電磁操作機構６０の状態が電磁操作機構６０の正面図になるようにＸＹＺ軸の座標が付されている。 Hereinafter, the configuration of the electromagnetic operation mechanism 60 will be specifically described. 2 is an exploded perspective view of the electromagnetic operation mechanism according to the first embodiment, FIG. 3 is an external perspective view showing an assembled state of the electromagnetic operation mechanism according to the first embodiment, and FIG. 4 is a view according to the first embodiment. FIG. 5 is a plan view of an electromagnetic operation mechanism, and FIG. 5 is a side view of the electromagnetic operation mechanism according to the first embodiment. In FIGS. 2 to 5, coordinates of XYZ axes are attached so that the state of the electromagnetic operation mechanism 60 in FIG. 1 is a front view of the electromagnetic operation mechanism 60.
　図２および図３に示すように、電磁操作機構６０は、固定鉄心６１と、固定鉄心６１に固定された円筒状の電磁コイル６２と、電磁コイル６２が巻装される絶縁性のボビン６３と、ボビン６３の内側空間に挿入された可動鉄心６４と、可動鉄心６４に連結される駆動シャフト６５と、駆動シャフト６５の上下方向の移動をガイドするガイド部材６６とを備える。 As shown in FIGS. 2 and 3, the electromagnetic operation mechanism 60 includes a stationary core 61, a cylindrical electromagnetic coil 62 fixed to the stationary core 61, and an insulating bobbin 63 on which the electromagnetic coil 62 is wound. A movable iron core 64 inserted into the inner space of the bobbin 63, a drive shaft 65 connected to the movable iron core 64, and a guide member 66 for guiding the vertical movement of the drive shaft 65.
　固定鉄心６１は、図２に示すように、内側空間６８を有しており、固定鉄心６１の内側空間６８に、電磁コイル６２およびボビン６３が配置される。また、駆動シャフト６５の一端部６５１には、連結穴６７が形成されており、かかる連結穴６７を用いて図１に示す連結板５２の他端部５２２に連結される。駆動シャフト６５の他端部６５２は、可動鉄心６４に固定される。 As shown in FIG. 2, the fixed core 61 has an inner space 68, and the electromagnetic coil 62 and the bobbin 63 are disposed in the inner space 68 of the fixed core 61. Further, a connection hole 67 is formed in one end portion 651 of the drive shaft 65, and the connection hole 67 is used to connect to the other end 522 of the connection plate 52 shown in FIG. The other end 652 of the drive shaft 65 is fixed to the movable core 64.
　電磁コイル６２へ励磁電流が供給された場合、電磁コイル６２から磁束が発生する。電磁コイル６２からの磁束の作用によって、可動鉄心６４は、固定鉄心６１に吸引されて上方へ移動し、図２および図４に示す固定鉄心６１の第１の内壁部６１１および第２の内壁部６１２に当接して静止する。固定鉄心６１の上方への移動に伴って駆動シャフト６５が上方へ移動する。 When an exciting current is supplied to the electromagnetic coil 62, a magnetic flux is generated from the electromagnetic coil 62. By the action of the magnetic flux from the electromagnetic coil 62, the movable core 64 is attracted to the fixed core 61 and moves upward, and the first inner wall 611 and the second inner wall of the fixed core 61 shown in FIGS. 2 and 4 It abuts on the shaft 612 and is stopped. The drive shaft 65 moves upward as the fixed iron core 61 moves upward.
　また、図２に示す固定鉄心６１の第３の内壁部６１３および第４の内壁部６１４は、図１に示す引外し状態において、可動鉄心６４の中途部に当接して可動鉄心６４を静止させるように構成される。なお、第３の内壁部６１３および第４の内壁部６１４の形状は、図２に示す形状に限定されず、可動鉄心６４に当接して静止させる形状であればよい。 Further, the third inner wall portion 613 and the fourth inner wall portion 614 of the fixed iron core 61 shown in FIG. 2 abut against the middle part of the movable iron core 64 in the detached state shown in FIG. Configured as. Note that the shapes of the third inner wall portion 613 and the fourth inner wall portion 614 are not limited to the shapes shown in FIG.
　固定鉄心６１は、複数の磁性板９０が同じ向きで積層されて各々形成され、互いに対向する第１の分割鉄心８１および第２の分割鉄心８２と、各々１以上の磁性板９１によって構成されて第１の分割鉄心８１と第２の分割鉄心８２とを連結する第１の連結部材８３、第２の連結部材８４、第３の連結部材８５および第４の連結部材８６を備える。なお、第１の分割鉄心８１および第２の分割鉄心８２において、積層された複数の磁性板９０は、カシメ、接着、または溶着によって一体化されている。 The fixed core 61 is formed by laminating a plurality of magnetic plates 90 in the same direction and is formed of a first divided core 81 and a second divided core 82 facing each other, and one or more magnetic plates 91 each. A first connecting member 83, a second connecting member 84, a third connecting member 85, and a fourth connecting member 86, which connect the first split iron core 81 and the second split iron core 82, are provided. In the first split iron core 81 and the second split iron core 82, the plurality of laminated magnetic plates 90 are integrated by caulking, adhesion, or welding.
　磁性板９０と磁性板９１とは、同一形状を有しており、例えば、ケイ素鋼鈑といった磁性板に打ち抜き加工を施すことによって生成される。磁性板９０は、第１の磁性板の一例であり、磁性板９１は、第２の磁性板の一例である。図６は、実施の形態１にかかる磁性板の構成例を示す図である。また、図６において、上方向をＺ軸正方向とし、下方向をＺ軸負方向とし、右方向をＸ軸正方向としている。 The magnetic plate 90 and the magnetic plate 91 have the same shape, and are produced, for example, by punching a magnetic plate such as silicon steel plate. The magnetic plate 90 is an example of a first magnetic plate, and the magnetic plate 91 is an example of a second magnetic plate. FIG. 6 is a view showing a configuration example of the magnetic plate according to the first embodiment. Further, in FIG. 6, the upper direction is the Z-axis positive direction, the lower direction is the Z-axis negative direction, and the right direction is the X-axis positive direction.
　図６に示すように、各磁性板９０，９１は、上下方向に延伸する延伸部９２と、延伸部９２の上部から右方向へ突出する第１の突出部９３と、延伸部９２の下部から右方向へ突出する第２の突出部９４とを有する。延伸部９２には、上下方向に沿って複数の連結穴９５ａ，９５ｂ，９５ｃ，９５ｄ，９５ｅが形成されている。第１の突出部９３には、先端部に連結穴９５ｆが形成されている。以下において、連結穴９５ａ，９５ｂ，９５ｃ，９５ｄ，９５ｅ，９５ｆを総称しての連結穴９５と記載する場合がある。 As shown in FIG. 6, each of the magnetic plates 90 and 91 has an extension portion 92 extending in the vertical direction, a first protrusion 93 projecting to the right from the upper portion of the extension portion 92, and a lower portion of the extension portion 92. And a second protrusion 94 protruding rightward. In the extending portion 92, a plurality of connection holes 95a, 95b, 95c, 95d, and 95e are formed along the vertical direction. A connection hole 95 f is formed at the tip of the first protrusion 93. In the following, the connection holes 95a, 95b, 95c, 95d, 95e, 95f may be collectively referred to as connection holes 95.
　連結穴９５ｅは、連結穴９５ｄよりも連結穴９５ａから遠い位置に配置され、連結穴９５ａと連結穴９５ｅとの距離Ｌ１は、連結穴９５ａと連結穴９５ｄとの距離Ｌ２よりも長い。図６に示す磁性板９１の端部９１１は、後述するように、筐体１へ固定するために用いられる。なお、距離Ｌ２の寸法については、電磁操作機構６０に必要な性能に応じて電磁操作機構６０の外形サイズが変わるため、磁性板９０と磁性板９１とを互いの向きを異ならせて重ね合わせた場合に連結穴９５の位置が合うという制約条件の下で外形サイズに応じて任意に設定することができる。 The connection hole 95e is disposed at a position farther from the connection hole 95a than the connection hole 95d, and the distance L1 between the connection hole 95a and the connection hole 95e is longer than the distance L2 between the connection hole 95a and the connection hole 95d. The end 911 of the magnetic plate 91 shown in FIG. 6 is used for fixing to the housing 1 as described later. As for the dimension of the distance L2, since the external size of the electromagnetic operation mechanism 60 changes in accordance with the performance required for the electromagnetic operation mechanism 60, the magnetic plate 90 and the magnetic plate 91 are superimposed in different directions. It can be set arbitrarily according to the external size under the constraint that the connecting holes 95 are aligned.
　以下において、各第１の連結部材８３、第２の連結部材８４、第３の連結部材８５および第４の連結部材８６は、１つの磁性板９１によって構成される例を説明するが、複数の磁性板９１が同じ向きに積層されて構成されていてもよい。また、図２、図３、図４および図５に示す例では、第１の分割鉄心８１および第２の分割鉄心８２は、１９枚の磁性板９０が積層されて形成されているが、積層される磁性板９０の枚数は、１８枚以下であってもよく、２０枚以上であってもよい。 In the following, an example in which each of the first connection member 83, the second connection member 84, the third connection member 85, and the fourth connection member 86 is configured by one magnetic plate 91 will be described. The magnetic plates 91 may be stacked in the same direction. Further, in the examples shown in FIG. 2, FIG. 3, FIG. 4 and FIG. 5, the first split iron core 81 and the second split iron core 82 are formed by laminating 19 magnetic plates 90. The number of magnetic plates 90 may be 18 or less, or 20 or more.
　また、磁性板９０の第１の突出部９３および第２の突出部９４を、第１の分割鉄心８１の第１の突出部９３および第２の突出部９４と記載する場合があり、磁性板９０の第１の突出部９３および第２の突出部９４を第２の分割鉄心８２の第１の突出部９３および第２の突出部９４と記載する場合がある。このことは、第１の連結部材８３、第２の連結部材８４、第３の連結部材８５および第４の連結部材８６についても同様である。 Also, in some cases, the first protrusion 93 and the second protrusion 94 of the magnetic plate 90 may be referred to as the first protrusion 93 and the second protrusion 94 of the first split iron core 81, and The first projection 93 and the second projection 94 of 90 may be described as the first projection 93 and the second projection 94 of the second core segment 82. The same applies to the first connecting member 83, the second connecting member 84, the third connecting member 85, and the fourth connecting member 86.
　電磁操作機構６０は組み立てられた状態において、第１の分割鉄心８１と第２の分割鉄心８２とは、互いに鏡対称になる向きに配置され、第１の突出部９３および第２の突出部９４の突出方向で互いに対向している。 When the electromagnetic operating mechanism 60 is assembled, the first split iron core 81 and the second split iron core 82 are arranged so as to be mirror-symmetrical to each other, and the first projection 93 and the second projection 94 Facing each other in the direction of protrusion of
　第１の分割鉄心８１の第１の突出部９３と第２の分割鉄心８２の第１の突出部９３との間には、図２に示すガイド部材６６が配置されている。かかるガイド部材６６は、駆動シャフト６５が挿通されるガイド穴６９が設けられており、第１の分割鉄心８１の第１の突出部９３と第２の分割鉄心８２の第１の突出部９３とに挟持されている。 A guide member 66 shown in FIG. 2 is disposed between the first projecting portion 93 of the first split core 81 and the first projecting portion 93 of the second split core 82. The guide member 66 is provided with a guide hole 69 through which the drive shaft 65 is inserted, and the first projecting portion 93 of the first divided core 81 and the first projecting portion 93 of the second divided core 82 It is held by
　図５に示すように、第１の分割鉄心８１と第２の分割鉄心８２とは、磁性板９０の積層方向の一端部側において、第１の連結部材８３と第２の連結部材８４とによって連結され、磁性板９０の積層方向の他端部側において、第３の連結部材８５と第４の連結部材８６とによって連結される。第１の分割鉄心８１と第２の分割鉄心８２との連結は、第１の分割鉄心８１と第２の分割鉄心８２に第１の連結部材８３、第２の連結部材８４、第３の連結部材８５および第４の連結部材８６を連結ボルト８７ａ，８７ｂ，８７ｃ，８７ｄ，８７ｅ，８７ｆで固定することによって行われる。 As shown in FIG. 5, the first split iron core 81 and the second split iron core 82 are formed by the first connection member 83 and the second connection member 84 at one end side of the magnetic plate 90 in the stacking direction. They are connected, and are connected by the third connecting member 85 and the fourth connecting member 86 on the other end side in the stacking direction of the magnetic plate 90. The first split iron core 81 and the second split iron core 82 are connected to the first split iron core 81 and the second split iron core 82 by the first connection member 83, the second connection member 84, and the third connection. It is performed by fixing the member 85 and the 4th connection member 86 by connection bolt 87a, 87b, 87c, 87d, 87e, 87f.
　図７は、実施の形態１にかかる第１の連結部材８３、第２の連結部材８４、第３の連結部材８５および第４の連結部材８６による第１の分割鉄心８１と第２の分割鉄心８２との連結方法の説明図である。なお、説明の便宜上、図７においては、ボビン６３、可動鉄心６４、および駆動シャフト６５は図示していない。 FIG. 7 shows a first divided core 81 and a second divided core by the first connecting member 83, the second connecting member 84, the third connecting member 85, and the fourth connecting member 86 according to the first embodiment. It is explanatory drawing of the connection method with 82. FIG. For convenience of explanation, the bobbin 63, the movable iron core 64, and the drive shaft 65 are not shown in FIG.
　図７に示すように、第１の分割鉄心８１と第２の分割鉄心８２とを互いの第１の突出部９３同士が向き合い、かつ第２の突出部９４同士が向き合うように配置する。この状態で、第１の分割鉄心８１と第２の分割鉄心８２とは鏡対称である。 As shown in FIG. 7, the first split iron core 81 and the second split iron core 82 are arranged such that the first protrusions 93 of each other face each other and the second protrusions 94 face each other. In this state, the first split iron core 81 and the second split iron core 82 are mirror symmetric.
　すなわち、第１の分割鉄心８１の第１の突出部９３と第２の分割鉄心８２の第１の突出部９３とが間隔を開けて対向し、第１の分割鉄心８１の第２の突出部９４と第２の分割鉄心８２の第２の突出部９４とが間隔を開けて対向している。第１の分割鉄心８１と第２の分割鉄心８２とで囲まれた空間が上述した内側空間６８である。第１の分割鉄心８１の第１の突出部９３と第２の分割鉄心８２の第１の突出部９３で形成される隙間を介して駆動シャフト６５が固定鉄心６１の外へ突出する。 That is, the first projection 93 of the first core segment 81 and the first projection 93 of the second core segment 82 face each other at an interval, and the second projection of the first core segment 81 94 and the second projecting portion 94 of the second split iron core 82 face each other at an interval. A space surrounded by the first split iron core 81 and the second split iron core 82 is the inner space 68 described above. The drive shaft 65 projects out of the stationary core 61 through a gap formed by the first projection 93 of the first core segment 81 and the first projection 93 of the second core segment 82.
　また、第１の連結部材８３と第２の連結部材８４とを互いの第１の突出部９３同士が向き合い、かつ第２の突出部９４同士が向き合うようにし、第１の連結部材８３および第２の連結部材８４を構成する磁性板９０を第１の分割鉄心８１および第２の分割鉄心８２を構成する磁性板９０の向きと異なる向きにする。具体的には、第１の連結部材８３は、第１の分割鉄心８１を構成する磁性板９０の向きから磁性板９０の積層面であるＸＺ平面に沿ってＸ軸をＺ軸に重ねる方向に９０度回転させた向きにし、第２の連結部材８４は、第２の分割鉄心８２を構成する磁性板９０の向きからＸＺ平面に沿ってＸ軸をＺ軸に重ねる方向に９０度回転させた向きにする。 In addition, the first connecting members 83 and the second connecting members 84 are arranged such that the first protrusions 93 of each other face each other, and the second protrusions 94 face each other. The magnetic plates 90 constituting the two connecting members 84 are oriented in a direction different from the direction of the magnetic plates 90 constituting the first divided iron core 81 and the second divided iron core 82. Specifically, the first connecting member 83 is directed from the direction of the magnetic plate 90 constituting the first divided core 81 to the direction along the XZ plane along the XZ plane which is the lamination surface of the magnetic plate 90. The second connecting member 84 is rotated 90 degrees in the direction in which the X axis is superimposed on the Z axis along the XZ plane from the direction of the magnetic plate 90 constituting the second split iron core 82 in a direction rotated 90 degrees. To turn.
　同様に、第３の連結部材８５と第４の連結部材８６と互いの第１の突出部９３同士が向き合い、かつ第２の突出部９４同士が向き合うようにし、第３の連結部材８５と第４の連結部材８６を構成する磁性板９０を第１の分割鉄心８１および第２の分割鉄心８２を構成する磁性板９０の向きと異なる向きにする。 Similarly, the third connecting member 85 and the fourth connecting member 86 face each other, and the second projecting portions 94 face each other. The magnetic plates 90 constituting the four connecting members 86 are oriented in a direction different from the direction of the magnetic plates 90 constituting the first divided iron core 81 and the second divided iron core 82.
　そして、第１の連結部材８３および第２の連結部材８４と、第３の連結部材８５および第４の連結部材８６とが、第１の分割鉄心８１および第２の分割鉄心８２を介して互いに対向するように配置される。 Then, the first connecting member 83 and the second connecting member 84 and the third connecting member 85 and the fourth connecting member 86 are mutually connected via the first split iron core 81 and the second split iron core 82. It is arranged to face each other.
　このようにすることで、第１の分割鉄心８１および第２の分割鉄心８２の各々において積層されている複数の磁性板９０のうち最上層の磁性板９０の板面上に、第１の連結部材８３および第２の連結部材８４の板面が重なった状態になる。また、第１の分割鉄心８１および第２の分割鉄心８２の各々における最下層の磁性板９０の板面上に、第３の連結部材８５および第４の連結部材８６の板面が重なった状態になる。 By doing this, the first connection is made on the plate surface of the magnetic plate 90 of the uppermost layer among the plurality of magnetic plates 90 stacked in each of the first split iron core 81 and the second split iron core 82. The plate surfaces of the member 83 and the second connection member 84 overlap each other. Also, the plate surfaces of the third connecting member 85 and the fourth connecting member 86 overlap on the plate surface of the lowermost magnetic plate 90 in each of the first divided core 81 and the second divided core 82. become.
　そして、連結ボルト８７ａ，８７ｂ，８７ｃ，８７ｄ，８７ｅ，８７ｆとナット８８ａ，８８ｂ，８８ｃ，８８ｄ，８８ｅ，８８ｆとを用いて、第１の分割鉄心８１および第２の分割鉄心８２と第１の連結部材８３、第２の連結部材８４、第３の連結部材８５および第４の連結部材８６とを固定する。例えば、連結ボルト８７ａを、第１の連結部材８３の連結穴９５ａ、第１の分割鉄心８１の連結穴９５ｅ、および第３の連結部材８５の連結穴９５ａに通して、ナット８８ａで固定する。連結ボルト８７ｂ，８７ｃ，８７ｄ，８７ｅ，８７ｆも同様に各々対応する連結穴９５を通してナット８８ｂ，８８ｃ，８８ｄ，８８ｅ，８８ｆで締結する。これにより、第１の分割鉄心８１と第２の分割鉄心８２とが第１の連結部材８３、第２の連結部材８４、第３の連結部材８５および第４の連結部材８６によって連結される。 The first divided iron core 81 and the second divided iron core 82 and the first divided iron core 81 are formed using the connection bolts 87a, 87b, 87c, 87d, 87e and 87f and the nuts 88a, 88b, 88c, 88d, 88e and 88f. The connecting member 83, the second connecting member 84, the third connecting member 85 and the fourth connecting member 86 are fixed. For example, the connection bolt 87a is passed through the connection hole 95a of the first connection member 83, the connection hole 95e of the first split iron core 81, and the connection hole 95a of the third connection member 85, and is fixed by the nut 88a. The connection bolts 87b, 87c, 87d, 87e, 87f are similarly fastened with nuts 88b, 88c, 88d, 88e, 88f through the corresponding connection holes 95 respectively. Thereby, the first split iron core 81 and the second split iron core 82 are connected by the first connection member 83, the second connection member 84, the third connection member 85, and the fourth connection member 86.
　このように、第１の連結部材８３および第２の連結部材８４において積層される複数の磁性板９０と同一形状かつ向きが異なる複数の磁性板９１を用いることで、第１の連結部材８３および第２の連結部材８４を固定することができる。そのため、固定鉄心６１を構成する磁性板の種類を１種類にすることができ、複数種類の磁性板を用いる場合に比べ、固定鉄心６１を構成する部品の種類を低減することができる。 In this manner, by using the plurality of magnetic plates 91 having the same shape and different direction as the plurality of magnetic plates 90 stacked in the first connection member 83 and the second connection member 84, the first connection member 83 and The second connecting member 84 can be fixed. Therefore, the number of types of magnetic plates constituting the fixed core 61 can be one, and the number of types of parts constituting the fixed core 61 can be reduced as compared with the case of using a plurality of types of magnetic plates.
　また、図３，図４，および図７に示すように、第１の分割鉄心８１および第２の分割鉄心８２を構成するための磁性板９０に形成される連結穴９５ａ，９５ｂ，９５ｃ，９５ｄ，９５ｅ，９５ｆのうち連結穴９５ａ，９５ｅ，９５ｆは、第１の連結部材８３、第２の連結部材８４、第３の連結部材８５および第４の連結部材８６との固定に用いられる。また、第１の連結部材８３、第２の連結部材８４、第３の連結部材８５および第４の連結部材８６を構成するための磁性板９１に形成される複数の連結穴９５ａ，９５ｂ，９５ｃ，９５ｄ，９５ｅ，９５ｆのうち連結穴９５ａ，９５ｂ，９５ｃ，９５ｄは、第１の分割鉄心８１と第２の分割鉄心８２との連結に用いられる。 Further, as shown in FIGS. 3, 4 and 7, connection holes 95a, 95b, 95c, 95d formed in magnetic plate 90 for forming first divided core 81 and second divided core 82. , 95e, 95f, the connection holes 95a, 95e, 95f are used to fix the first connection member 83, the second connection member 84, the third connection member 85, and the fourth connection member 86. A plurality of connection holes 95a, 95b, 95c formed in the magnetic plate 91 for constituting the first connection member 83, the second connection member 84, the third connection member 85, and the fourth connection member 86. , 95d, 95e, 95f, the connection holes 95a, 95b, 95c, 95d are used to connect the first split iron core 81 and the second split iron core 82.
　このように、第１の分割鉄心８１および第２の分割鉄心８２と第１の連結部材８３、第２の連結部材８４、第３の連結部材８５および第４の連結部材８６とで連結穴９５ａを共通として用いており、これにより、磁性板９０，９１に形成される連結穴９５の数を抑制することができ、磁性板９０，９１の強度低下を抑制することができる。なお、上述した磁性板９０，９１は、六つの連結穴９５ａ，９５ｂ，９５ｃ，９５ｄ，９５ｅ，９５ｆを有しているが、連結穴９５の数は六つに限定されない。 Thus, the first divided core 81 and the second divided core 82 and the first connecting member 83, the second connecting member 84, the third connecting member 85 and the fourth connecting member 86 form the connecting hole 95a. In this way, the number of connection holes 95 formed in the magnetic plates 90 and 91 can be suppressed, and the reduction in strength of the magnetic plates 90 and 91 can be suppressed. In addition, although the magnetic boards 90 and 91 mentioned above have six connection holes 95a, 95b, 95c, 95d, 95e, and 95f, the number of the connection holes 95 is not limited to six.
　第１の連結部材８３、第２の連結部材８４、第３の連結部材８５および第４の連結部材８６は、図３に示すように、第１の分割鉄心８１および第２の分割鉄心８２における磁性板９０の積層方向と直交するＹ軸負方向において、第１の分割鉄心８１および第２の分割鉄心８２の外側へ少なくとも端部８３１，８４１，８５１，８６１が突出しており、端部８３１，８４１，８５１，８６１に連結穴９５ｅが配置されている。端部８３１，８４１，８５１，８６１は、図６に示す磁性板９１の端部９１１である。 The first connecting member 83, the second connecting member 84, the third connecting member 85 and the fourth connecting member 86 are, as shown in FIG. 3, in the first split iron core 81 and the second split iron core 82. At least end portions 831, 841, 851, 861 project outward of the first split iron core 81 and the second split iron core 82 in the Y-axis negative direction orthogonal to the stacking direction of the magnetic plate 90, and the end portions 831, 841, 851 Connection holes 95 e are disposed at 841, 851, 861. The end portions 831, 841, 851, 861 are the end portions 911 of the magnetic plate 91 shown in FIG.
　図４に示すように、電磁操作機構６０は、磁性板９１における連結穴９５ａ，９５ｅ間の距離Ｌ１よりも互いの距離が短い連結穴９５ａ，９５ｄによって第１の分割鉄心８１および第２の分割鉄心８２を連結している。そのため、第１の分割鉄心８１および第２の分割鉄心８２よりもＸ軸負方向へ端部８３１，８４１，８５１，８６１を突出させることができる。 As shown in FIG. 4, the electromagnetic operation mechanism 60 has a first split iron core 81 and a second split by connecting holes 95 a and 95 d whose distance from each other is shorter than the distance L 1 between the connecting holes 95 a and 95 e in the magnetic plate 91. Iron cores 82 are connected. Therefore, the end portions 831, 841, 851, and 861 can be protruded in the X axis negative direction with respect to the first split iron core 81 and the second split iron core 82.
　第１の連結部材８３、第２の連結部材８４、第３の連結部材８５および第４の連結部材８６を各々構成する磁性板９０に形成された連結穴９５ｅは、筐体１の仕切壁３から第２の空間部８側へ向けて突出する支持部４と支持部５に電磁操作機構６０を固定するために用いられる。駆動シャフト６５の中心軸Ｏ１と磁性板９１の連結穴９５ｅとの間の距離Ｌ３のばらつきは、第１の分割鉄心８１および第２の分割鉄心８２の厚みに依存しないため、筐体１における駆動シャフト６５の中心軸Ｏ１の位置のばらつきを抑えることができる。以下、この点について具体的に説明する。 A connection hole 95 e formed in the magnetic plate 90 which respectively configures the first connection member 83, the second connection member 84, the third connection member 85, and the fourth connection member 86 corresponds to the partition wall 3 of the housing 1. And the support portion 4 protruding toward the second space portion 8 side, and is used to fix the electromagnetic operation mechanism 60 to the support portion 5. The variation in the distance L3 between the central axis O1 of the drive shaft 65 and the connection hole 95e of the magnetic plate 91 does not depend on the thickness of the first split iron core 81 and the second split iron core 82. Variations in the position of the central axis O1 of the shaft 65 can be suppressed. Hereinafter, this point will be specifically described.
　図８は、実施の形態１にかかる筐体の仕切壁から突出する支持部に電磁操作機構が固定された状態を示す図である。支持部４，５は、例えば、仕切壁３から突出するリブであるが、仕切壁３に固定されたＬ字金具などのように仕切壁３に取り付けられた金属部材であってもよい。 FIG. 8 is a view showing a state in which the electromagnetic operation mechanism is fixed to the support portion protruding from the partition wall of the housing according to the first embodiment. The supporting portions 4 and 5 are, for example, ribs projecting from the partition wall 3, but may be metal members attached to the partition wall 3 such as an L-shaped metal fitting fixed to the partition wall 3.
　図８に示すように、第１の連結部材８３の連結穴９５ｅを介して取り付けねじ９６が支持部４に形成されたねじ穴にねじ止めされることで第１の連結部材８３が筐体１に固定される。また、第２の連結部材８４の連結穴９５ｅを介して取り付けねじ９７が支持部５に形成されたねじ穴にねじ止めされることで第２の連結部材８４が筐体１に固定される。第１の連結部材８３および第２の連結部材８４を構成する磁性板９１の板面、すなわち磁性板９１における積層方向の表面は、支持部４，５に固定される固定領域であり、支持部４，５への取り付け面として支持部４，５に固定される。 As shown in FIG. 8, the mounting screw 96 is screwed into the screw hole formed in the support portion 4 through the connection hole 95 e of the first connection member 83, whereby the first connection member 83 is the housing 1. It is fixed to Further, the second connection member 84 is fixed to the housing 1 by screwing the attachment screw 97 into the screw hole formed in the support portion 5 through the connection hole 95 e of the second connection member 84. The plate surface of the magnetic plate 91 constituting the first connecting member 83 and the second connecting member 84, that is, the surface in the stacking direction of the magnetic plate 91 is a fixing region fixed to the supporting portions 4 and 5, and the supporting portion It fixes to the support parts 4 and 5 as a mounting surface to 4,5.
　同様に、第３の連結部材８５の連結穴９５ｅを介して不図示の取り付けねじが不図示のリブに形成されたねじ穴にねじ止めされて第３の連結部材８５が筐体１に固定される。また、第４の連結部材８６の連結穴９５ｅを介して不図示の取り付けねじが不図示のリブに形成されたねじ穴にねじ止めされて第４の連結部材８６が筐体１に固定される。なお、第１の連結部材８３、第２の連結部材８４、第３の連結部材８５および第４の連結部材８６をリブに取り付ける例を説明したが、第１の連結部材８３、第２の連結部材８４、第３の連結部材８５および第４の連結部材８６のうち一部のみをリブに取り付ける構成であってもよい。 Similarly, a mounting screw (not shown) is screwed into a screw hole formed in a rib (not shown) via the connection hole 95e of the third connection member 85, and the third connection member 85 is fixed to the housing 1 Ru. Further, a mounting screw (not shown) is screwed into a screw hole formed in a rib (not shown) through the connection hole 95 e of the fourth connection member 86, and the fourth connection member 86 is fixed to the housing 1 . Although an example in which the first connecting member 83, the second connecting member 84, the third connecting member 85, and the fourth connecting member 86 are attached to the rib has been described, the first connecting member 83 and the second connecting member are described. Only a part of the member 84, the third connecting member 85, and the fourth connecting member 86 may be attached to the rib.
　駆動シャフト６５の中心軸Ｏ１と仕切壁３との間の距離Ｌ４のばらつきは、第１の連結部材８３、第２の連結部材８４、第３の連結部材８５および第４の連結部材８６の外形形状のばらつきおよび連結穴９５ｅの位置のばらつきによって定まる。したがって、電磁操作機構６０が大型化した場合においても、第１の分割鉄心８１と第２の分割鉄心８２とを構成する磁性板９０の積層枚数に影響を受けない。 The variation of the distance L4 between the central axis O1 of the drive shaft 65 and the partition wall 3 is an outline of the first connecting member 83, the second connecting member 84, the third connecting member 85, and the fourth connecting member 86. It becomes settled by the dispersion | variation in a shape and the dispersion | variation in the position of the connection hole 95e. Therefore, even when the size of the electromagnetic operation mechanism 60 is increased, the number of stacked magnetic plates 90 constituting the first split iron core 81 and the second split iron core 82 is not affected.
　そのため、第１の分割鉄心８１と第２の分割鉄心８２とを磁性板９０の積層方向で固定する場合に比べ、筐体１の仕切壁３からの駆動シャフト６５の中心軸Ｏ１の位置のばらつきが少ない状態で電磁操作機構６０の固定を行うことができる。これにより、駆動シャフト６５に連結される他の部品の位置関係が安定し、安定した投入動作を行うことができる。 Therefore, as compared with the case where the first split iron core 81 and the second split iron core 82 are fixed in the stacking direction of the magnetic plates 90, variation in the position of the central axis O1 of the drive shaft 65 from the partition wall 3 of the housing 1 The electromagnetic operating mechanism 60 can be fixed with less As a result, the positional relationship of the other components coupled to the drive shaft 65 is stabilized, and a stable closing operation can be performed.
　また、第１の分割鉄心８１と第２の分割鉄心８２と連結する第１の連結部材８３、第２の連結部材８４、第３の連結部材８５および第４の連結部材８６を用いて、電磁操作機構６０を筐体１に固定することができるため、電磁操作機構６０を筐体１に固定するための部材を新たに必要としない。そのため、遮断器１００における部品点数を低減することができる。 Also, using the first connecting member 83, the second connecting member 84, the third connecting member 85, and the fourth connecting member 86 that connect the first split iron core 81 and the second split iron core 82, electromagnetic Since the operation mechanism 60 can be fixed to the housing 1, a member for fixing the electromagnetic operation mechanism 60 to the housing 1 is not newly required. Therefore, the number of parts in the circuit breaker 100 can be reduced.
　また、第１の分割鉄心８１および第２の分割鉄心８２では、第１の連結部材８３、第２の連結部材８４、第３の連結部材８５および第４の連結部材８６の連結に用いる連結穴９５ｅを、筐体１との固定に用いることができる。そのため、磁性板９０，９１に形成された連結穴９５の数を抑制することができ、磁性板９０，９１の強度低下を抑制することができる。 Further, in the first split iron core 81 and the second split iron core 82, connection holes used to connect the first connection member 83, the second connection member 84, the third connection member 85 and the fourth connection member 86. 95 e can be used for fixing to the housing 1. Therefore, the number of connection holes 95 formed in the magnetic plates 90 and 91 can be suppressed, and the strength reduction of the magnetic plates 90 and 91 can be suppressed.
　以上のように、実施の形態１にかかる遮断器１００は、固定接点１０ａを有する固定導体の一例である第１の固定導体１０と、可動接点２０ａを有する可動子２０と、駆動シャフト６５を有し、駆動シャフト６５を直線状に移動させる電磁操作機構６０と駆動シャフト６５の移動に伴って可動子２０を移動させて固定接点１０ａと可動接点２０ａとの接触および隔離を行う伝達部５０と、電磁操作機構６０および伝達部５０を覆う筐体１とを備える。電磁操作機構６０は、固定鉄心６１と、固定鉄心６１に対して移動可能に設けられた可動鉄心６４と、固定鉄心６１に固定され、磁束を発生して可動鉄心６４を移動させる電磁コイル６２と、可動鉄心６４に連結される駆動シャフト６５とを備える。 As described above, the circuit breaker 100 according to the first embodiment includes the first fixed conductor 10, which is an example of the fixed conductor having the fixed contact 10a, the mover 20 having the movable contact 20a, and the drive shaft 65. An electromagnetic operation mechanism 60 for moving the drive shaft 65 linearly, and a transmission unit 50 for moving the mover 20 with the movement of the drive shaft 65 to make contact and separation between the fixed contact 10a and the movable contact 20a; An electromagnetic operation mechanism 60 and a housing 1 covering the transmission unit 50 are provided. The electromagnetic operation mechanism 60 includes a fixed core 61, a movable core 64 provided movably with respect to the fixed core 61, and an electromagnetic coil 62 fixed to the fixed core 61 and generating magnetic flux to move the movable core 64. , And a drive shaft 65 coupled to the movable core 64.
　固定鉄心６１は、第１の磁性板の一例である複数の磁性板９０が積層されて各々形成され、複数の磁性板９０の積層方向に直交する方向において互いに対向する第１の分割鉄心８１および第２の分割鉄心８２と、第１の分割鉄心８１と第２の分割鉄心８２とを連結する第１の連結部材８３、第２の連結部材８４、第３の連結部材８５および第４の連結部材８６とを備える。第１の連結部材８３、第２の連結部材８４、第３の連結部材８５および第４の連結部材８６の各々は、磁性板９０と同一形状を有し、かつ磁性板９０とは異なる向きで第１の分割鉄心８１と第２の分割鉄心８２とを連結する第２の磁性板の一例である磁性板９１を有する。第１の連結部材８３、第２の連結部材８４、第３の連結部材８５および第４の連結部材８３のうち少なくとも一つの連結部材を構成する磁性板９１は、複数の磁性板９０の積層方向と直交する方向において、第１の分割鉄心８１および第２の分割鉄心８２の少なくとも一方の分割鉄心の外側へ突出し、かつ、筐体１に設けられた支持部４，５に固定される固定領域を有する。 The fixed iron core 61 is formed by laminating a plurality of magnetic plates 90 which are an example of a first magnetic plate, and the first divided iron cores 81 opposed to each other in the direction orthogonal to the laminating direction of the plurality of magnetic plates 90 A first connecting member 83, a second connecting member 84, a third connecting member 85, and a fourth connecting member connecting the second split iron core 82, the first split iron core 81 and the second split iron core 82. And a member 86. Each of the first connecting member 83, the second connecting member 84, the third connecting member 85, and the fourth connecting member 86 has the same shape as the magnetic plate 90 and has a different direction from the magnetic plate 90. It has the magnetic board 91 which is an example of the 2nd magnetic board which connects the 1st division iron core 81 and the 2nd division iron core 82. The magnetic plate 91 that constitutes at least one of the first connecting member 83, the second connecting member 84, the third connecting member 85, and the fourth connecting member 83 has a stacking direction of the plurality of magnetic plates 90. And a fixing region that protrudes outward of at least one of the first split iron core 81 and the second split iron core 82 in the direction orthogonal to the second split iron core and is fixed to the support portions 4 and 5 provided in the housing 1 Have.
　したがって、駆動シャフト６５の中心軸Ｏ１の位置のばらつきは、第１の連結部材８３、第２の連結部材８４、第３の連結部材８５および第４の連結部材８６の外形形状のばらつきおよび連結穴９５ｅの位置のばらつきによって定まる。したがって、電磁操作機構６０が大型化した場合においても、第１の分割鉄心８１と第２の分割鉄心８２とを各々構成する磁性板９０の積層枚数に影響を受けない。そのため、第１の分割鉄心８１と第２の分割鉄心８２とを磁性板９０の積層方向で固定する場合に比べ、駆動シャフト６５の中心軸Ｏ１の位置のばらつきが少ない状態で電磁操作機構６０の固定を行うことができる。これにより、駆動シャフト６５に連結される他の部品の位置関係が安定し、安定した投入動作を行うことができる。また、固定鉄心６１を構成する磁性板９０，９１が同形状であることから、固定鉄心６１を構成する部品の種類を低減することができる。 Therefore, the variation of the position of the central axis O1 of the drive shaft 65 is the variation of the outer shape of the first connecting member 83, the second connecting member 84, the third connecting member 85 and the fourth connecting member 86, and the connecting hole. It becomes settled by the dispersion of the position of 95e. Therefore, even when the size of the electromagnetic operation mechanism 60 is increased, the number of laminated magnetic plates 90 which constitute the first split iron core 81 and the second split iron core 82 is not affected. Therefore, compared with the case where the first split iron core 81 and the second split iron core 82 are fixed in the stacking direction of the magnetic plate 90, the variation of the position of the central axis O1 of the drive shaft 65 is small. It can be fixed. As a result, the positional relationship of the other components coupled to the drive shaft 65 is stabilized, and a stable closing operation can be performed. Moreover, since the magnetic plates 90 and 91 which comprise the fixed iron core 61 are the same shape, the kind of components which comprise the fixed iron core 61 can be reduced.
　また、磁性板９１は、磁性板９０の積層方向における端部９１１の表面を支持部４および支持部５への取り付け面として支持部４，５に固定される。これにより、面接触によって支持部４，５に磁性板９１を固定することができ、電磁操作機構６０の筐体１への取り付けを安定して行うことができる。なお、支持部４および支持部５に固定される固定領域として端部９１１の表面に代えて端部９１１の側面を用いてもよい。 In addition, the magnetic plate 91 is fixed to the support portions 4 and 5 with the surface of the end portion 911 in the stacking direction of the magnetic plate 90 as an attachment surface to the support portion 4 and the support portion 5. Thereby, the magnetic plate 91 can be fixed to the support portions 4 and 5 by surface contact, and the attachment of the electromagnetic operation mechanism 60 to the housing 1 can be stably performed. Note that the side surface of the end portion 911 may be used instead of the surface of the end portion 911 as a fixing region fixed to the support portion 4 and the support portion 5.
　また、可動鉄心６４の移動方向は、磁性板９０の積層方向と直交する方向である。磁性板９１は、磁性板９０の積層方向と可動鉄心６４の移動方向とに各々直交する方向において、第１の分割鉄心８１および第２の分割鉄心８２の少なくとも一方の分割鉄心の外側へ端部９１１が突出している。そのため、可動鉄心６４の移動方向における固定鉄心６１の長さを抑えることができ、可動鉄心６４の移動方向において、駆動シャフト６５を除く電磁操作機構６０の長さを抑えることができる。 Further, the moving direction of the movable iron core 64 is a direction orthogonal to the stacking direction of the magnetic plates 90. The magnetic plate 91 has an end portion outward of at least one of the first divided iron core 81 and the second divided iron core 82 in the direction orthogonal to the stacking direction of the magnetic plate 90 and the moving direction of the movable iron core 64. 911 protrudes. Therefore, the length of the fixed iron core 61 in the moving direction of the movable iron core 64 can be suppressed, and the length of the electromagnetic operation mechanism 60 excluding the drive shaft 65 can be suppressed in the moving direction of the movable iron core 64.
　また、磁性板９０および磁性板９１には、複数の連結穴９５ａ，９５ｂ，９５ｃ，９５ｄ，９５ｅ，９５ｆが形成されており、複数の連結穴９５ａ，９５ｂ，９５ｃ，９５ｄ，９５ｅ，９５ｆのうち端部９１１に連結穴９５ｅが形成される。これにより、磁性板９１の端部９１１に形成された連結穴９５ｅにボルトなどの締結具を取り付けることができ、支持部４，５に端部９１１を容易に固定することができる。 Further, a plurality of connection holes 95a, 95b, 95c, 95d, 95e, 95f are formed in the magnetic plate 90 and the magnetic plate 91, and the plurality of connection holes 95a, 95b, 95c, 95d, 95e, 95f are formed. A connection hole 95 e is formed at the end 911. Thus, a fastener such as a bolt can be attached to the connection hole 95 e formed at the end 911 of the magnetic plate 91, and the end 911 can be easily fixed to the support portions 4 and 5.
　複数の連結穴９５ａ，９５ｂ，９５ｃ，９５ｄ，９５ｅ，９５ｆのうち１以上の連結穴９５ｅが、第１の分割鉄心８１および第２の分割鉄心８２の磁性板９０への磁性板９１の連結と、磁性板９１の支持部４および支持部５への固定とで選択的に使用される。これにより、磁性板９０，９１に形成される連結穴９５の数を抑制することができ、磁性板９０，９１の強度低下を抑制することができる。 One or more connection holes 95e among the plurality of connection holes 95a, 95b, 95c, 95d, 95e, 95f are connected to the magnetic plate 91 of the first split iron core 81 and the second split iron core 82 to the magnetic plate 90, It is selectively used for fixing the magnetic plate 91 to the support 4 and the support 5. Thereby, the number of connection holes 95 formed in the magnetic plates 90 and 91 can be suppressed, and the strength reduction of the magnetic plates 90 and 91 can be suppressed.
実施の形態２．
　実施の形態１では、第１の連結部材８３、第２の連結部材８４、第３の連結部材８５および第４の連結部材８６の一部を駆動シャフト６５の中心軸Ｏ１に直交する方向に突出させて筐体１の支持部４，５に固定する例を説明したが、実施の形態２では、第１の連結部材８３、第２の連結部材８４、第３の連結部材８５および第４の連結部材８６の一部を駆動シャフト６５の中心軸Ｏ１に沿った方向に突出させて筐体１の支持部４，５に固定する点で実施の形態１とは異なる。 Second Embodiment
In the first embodiment, a part of the first connecting member 83, the second connecting member 84, the third connecting member 85 and the fourth connecting member 86 is protruded in the direction orthogonal to the central axis O1 of the drive shaft 65. In the second embodiment, the first connecting member 83, the second connecting member 84, the third connecting member 85, and the fourth connecting member 84 are fixed. The second embodiment differs from the first embodiment in that a part of the connecting member 86 is protruded in a direction along the central axis O1 of the drive shaft 65 to be fixed to the support portions 4 and 5 of the housing 1.
　以下においては、実施の形態１と同様の機能を有する構成要素については同一符号を付して説明を省略し、実施の形態１にかかる電磁操作機構６０と異なる点を中心に説明する。実施の形態１にかかる電磁操作機構６０を構成する部材と同一機能を有する部材には、実施の形態１と同一の数字に「Ａ」の文字を付した符号を用いて説明する。 In the following, components having the same functions as those in the first embodiment are given the same reference numerals and descriptions thereof will be omitted, and points different from the electromagnetic operation mechanism 60 according to the first embodiment will be mainly described. The members having the same functions as the members constituting the electromagnetic operation mechanism 60 according to the first embodiment will be described using the same numerals as in the first embodiment with the letter “A” attached thereto.
　図９は、実施の形態２にかかる電磁操作機構の固定鉄心を構成する磁性板の構成例を示す図であり、図１０は、実施の形態２にかかる電磁操作機構の平面図である。なお、図９において、上方向をＺ軸正方向とし、下方向をＺ軸負方向とし、右方向をＸ軸正方向としている。 FIG. 9 is a view showing a configuration example of a magnetic plate constituting the fixed core of the electromagnetic operation mechanism according to the second embodiment, and FIG. 10 is a plan view of the electromagnetic operation mechanism according to the second embodiment. In FIG. 9, the upper direction is the Z-axis positive direction, the lower direction is the Z-axis negative direction, and the right direction is the X-axis positive direction.
　実施の形態２にかかる電磁操作機構６０Ａは、実施の形態１にかかる磁性板９０，９１と形状が異なる磁性板９０Ａ，９１Ａが用いられる。図９に示すように、磁性板９０Ａ，９１Ａは、磁性板９０，９１と同様に、互いに同一形状を有している。磁性板９０Ａ，９１Ａは、上下方向に延伸する延伸部９２Ａと、延伸部９２Ａの上部から右方向へ突出する第１の突出部９３Ａと、延伸部９２Ａの下部から右方向へ突出する第２の突出部９４Ａとを有する。そして、延伸部９２Ａに連結穴９８ａ，９８ｂ，９８ｃ，９８ｄ，９８ｅ，９８ｆが形成され、第１の突出部９３Ａに連結穴９８ｇが形成される。なお、以下、連結穴９８ａ，９８ｂ，９８ｃ，９８ｄ，９８ｅ，９８ｇを総称して連結穴９８と記載する場合がある。 The electromagnetic operation mechanism 60A according to the second embodiment uses magnetic plates 90A and 91A having a shape different from that of the magnetic plates 90 and 91 according to the first embodiment. As shown in FIG. 9, the magnetic plates 90A and 91A have the same shape as each other as the magnetic plates 90 and 91 do. The magnetic plates 90A and 91A have an extending portion 92A extending in the vertical direction, a first projecting portion 93A projecting rightward from the upper portion of the extending portion 92A, and a second projecting rightward from the lower portion of the extending portion 92A. And a protrusion 94A. Then, the connecting holes 98a, 98b, 98c, 98d, 98e, 98f are formed in the extending portion 92A, and the connecting hole 98g is formed in the first projecting portion 93A. Hereinafter, the connection holes 98a, 98b, 98c, 98d, 98e and 98g may be collectively referred to as connection holes 98.
　図１０に示すように、固定鉄心６１Ａは、第１の分割鉄心８１Ａおよび第２の分割鉄心８２Ａと、第１の連結部材８３Ａ、第２の連結部材８４Ａ、第３の連結部材８５Ａおよび第４の連結部材８６Ａを備えており、連結ボルト８７ａ，８７ｂ，８７ｃ，８７ｄ，８７ｅ，８７ｆによって、第１の分割鉄心８１Ａおよび第２の分割鉄心８２Ａに第１の連結部材８３Ａ、第２の連結部材８４Ａ、第３の連結部材８５Ａおよび第４の連結部材８６Ａが固定される。第１の分割鉄心８１Ａおよび第２の分割鉄心８２Ａは、磁性板９０Ａによって構成され、第１の連結部材８３Ａ、第２の連結部材８４Ａ、第３の連結部材８５Ａおよび第４の連結部材８６Ａは、磁性板９１Ａによって構成される。なお、図１０では、第３の連結部材８５Ａおよび第４の連結部材８６Ａが第１の連結部材８３Ａおよび第２の連結部材８４Ａに隠れており、図示されていない。 As shown in FIG. 10, the fixed core 61A includes a first divided core 81A and a second divided core 82A, a first connecting member 83A, a second connecting member 84A, a third connecting member 85A and a fourth connecting member. Of the first divided iron core 81A and the second divided iron core 82A by the connecting bolts 87a, 87b, 87c, 87d, 87e, 87f, and the first connecting member 83A, the second connecting member 84A, the third connecting member 85A and the fourth connecting member 86A are fixed. The first split iron core 81A and the second split iron core 82A are constituted by the magnetic plate 90A, and the first connection member 83A, the second connection member 84A, the third connection member 85A and the fourth connection member 86A are , And magnetic plate 91A. In FIG. 10, the third connecting member 85A and the fourth connecting member 86A are hidden by the first connecting member 83A and the second connecting member 84A and are not shown.
　図１０に示す例では、磁性板９０Ａの連結穴９８ａ，９８ｂ，９８ｃ，９８ｄ，９８ｅ，９８ｆ，９８ｇのうち連結穴９８ａ，９８ｅ，９８ｇが、第１の連結部材８３Ａ、第２の連結部材８４Ａ、第３の連結部材８５Ａおよび第４の連結部材８６Ａとの固定に用いられる。また、磁性板９１Ａに形成される複数の連結穴９８ａ，９８ｂ，９８ｃ，９８ｄ，９８ｅ，９８ｆ，９８ｇのうち連結穴９８ｂ，９８ｃ，９８ｄ，９４ｆは、第１の分割鉄心８１Ａと第２の分割鉄心８２Ａとの連結に用いられる。なお、磁性板９０Ａ，９１Ａは、７つの連結穴９８を有しているが、磁性板９０，９１の場合と同様に、連結穴９８の数は図９に示す数に限定されない。 In the example shown in FIG. 10, of the connection holes 98a, 98b, 98c, 98d, 98e, 98f and 98g of the magnetic plate 90A, the connection holes 98a, 98e and 98g are the first connection member 83A and the second connection member 84A. , And the third connecting member 85A and the fourth connecting member 86A. Further, among the plurality of connection holes 98a, 98b, 98c, 98d, 98e, 98f and 98g formed in the magnetic plate 91A, the connection holes 98b, 98c, 98d and 94f are divided into the first divided iron core 81A and the second divided It is used for connection with the iron core 82A. Although the magnetic plates 90A and 91A have seven connection holes 98, as in the case of the magnetic plates 90 and 91, the number of connection holes 98 is not limited to the number shown in FIG.
　図１０に示すように、第１の連結部材８３Ａおよび第２の連結部材８４Ａは、第１の分割鉄心８１Ａおよび第２の分割鉄心８２Ａにおける磁性板９０Ａの積層方向と直交する方向である上下方向において、少なくとも端部８３２Ａ，８４２Ａが第１の分割鉄心８１Ａおよび第２の分割鉄心８２Ａよりも外側へ突出している。また、図示していないが第３の連結部材８５Ａおよび第４の連結部材８６Ａの端部も同様に、上下方向において第１の分割鉄心８１Ａおよび第２の分割鉄心８１Ａの外側へ突出している。端部８３２Ａ，８４２Ａは、図９に示す磁性板９１Ａの端部９１２Ａである。 As shown in FIG. 10, the first connecting member 83A and the second connecting member 84A are vertical directions that are orthogonal to the stacking direction of the magnetic plates 90A in the first divided core 81A and the second divided core 82A. At least the end portions 832A and 842A project outward beyond the first split iron core 81A and the second split iron core 82A. Also, although not shown, the end portions of the third connecting member 85A and the fourth connecting member 86A similarly project outward of the first divided core 81A and the second divided core 81A in the vertical direction. The end portions 832A and 842A are the end portions 912A of the magnetic plate 91A shown in FIG.
　第１の連結部材８３Ａ、第２の連結部材８４Ａ、第３の連結部材８５Ａおよび第４の連結部材８６Ａを各々構成する磁性板９０Ａに形成される連結穴９８ａ，９８ｅは、筐体１の仕切壁３から突出する支持部４，５に電磁操作機構６０Ａを固定するために用いられる。図１１は、実施の形態２にかかる筐体の仕切壁から突出する支持部に電磁操作機構が固定された状態を示す図である。 The connection holes 98a and 98e formed in the magnetic plate 90A that respectively configure the first connection member 83A, the second connection member 84A, the third connection member 85A, and the fourth connection member 86A It is used to fix the electromagnetic operation mechanism 60A to the supports 4 and 5 protruding from the wall 3. FIG. 11 is a view showing a state in which the electromagnetic operation mechanism is fixed to the support portion protruding from the partition wall of the casing according to the second embodiment.
　図１１に示すように、第１の連結部材８３Ａの連結穴９８ｅを介して取り付けねじ９６が支持部４に形成されたねじ穴にねじ止めされることで第１の連結部材８３Ａが筐体１に固定される。また、第２の連結部材８４Ａの連結穴９８ｅを介して取り付けねじ９７が支持部５に形成されたねじ穴にねじ止めされることで第２の連結部材８４が筐体１に固定される。第３の連結部材８５Ａおよび第４の連結部材８６Ａも同様に不図示の取り付けねじによって支持部４，５に固定される。第１の連結部材８３Ａ、第２の連結部材８４Ａ、第３の連結部材８５Ａおよび第４の連結部材８６Ａを構成する磁性板９１Ａの板面、すなわち磁性板９１Ａにおける積層方向の表面は、支持部４，５への取り付け面として支持部４，５に固定される。 As shown in FIG. 11, the first connection member 83A is formed by screwing the attachment screw 96 into the screw hole formed in the support 4 via the connection hole 98e of the first connection member 83A. It is fixed to Further, the second connection member 84 is fixed to the housing 1 by screwing the mounting screw 97 into the screw hole formed in the support portion 5 via the connection hole 98 e of the second connection member 84A. The third connecting member 85A and the fourth connecting member 86A are similarly fixed to the support portions 4 and 5 by mounting screws (not shown). The plate surface of the magnetic plate 91A constituting the first connecting member 83A, the second connecting member 84A, the third connecting member 85A and the fourth connecting member 86A, that is, the surface in the stacking direction of the magnetic plate 91A is a support It fixes to the support parts 4 and 5 as a mounting surface to 4,5.
　駆動シャフト６５の中心軸Ｏ１と仕切壁３との間の距離Ｌ５のばらつきは、第１の連結部材８３Ａ、第２の連結部材８４Ａ、第３の連結部材８５Ａおよび第４の連結部材８６Ａの外形形状のばらつきおよび連結穴９８ｅの位置のばらつきによって定まる。したがって、電磁操作機構６０Ａが大型化した場合においても、第１の分割鉄心８１Ａと第２の分割鉄心８２Ａとを構成する磁性板９０Ａの積層枚数に影響を受けない。 The variation of the distance L5 between the central axis O1 of the drive shaft 65 and the partition wall 3 is an outline of the first connecting member 83A, the second connecting member 84A, the third connecting member 85A and the fourth connecting member 86A. It becomes settled by the dispersion | variation in a shape and the dispersion | variation in the position of the connection hole 98e. Therefore, even when the size of the electromagnetic operation mechanism 60A is increased, the number of stacked magnetic plates 90A constituting the first divided core 81A and the second divided core 82A is not affected.
　なお、第１の連結部材８３Ａ、第２の連結部材８４Ａ、第３の連結部材８５Ａおよび第４の連結部材８６Ａの連結穴９８ｅを用いて電磁操作機構６０Ａを筐体１に固定する例を説明したが、第１の連結部材８３Ａ、第２の連結部材８４Ａ、第３の連結部材８５Ａおよび第４の連結部材８６Ａの連結穴９８ｅのうち一部のみを用いて電磁操作機構６０Ａを筐体１に固定する構成であってもよい。また、第１の連結部材８３Ａ、第２の連結部材８４Ａ、第３の連結部材８５Ａおよび第４の連結部材８６Ａの連結穴９８ｅの全部を用いて電磁操作機構６０Ａを筐体１に固定することもできる。 An example in which the electromagnetic operation mechanism 60A is fixed to the housing 1 using the connection holes 98e of the first connection member 83A, the second connection member 84A, the third connection member 85A, and the fourth connection member 86A will be described. However, the electromagnetic operation mechanism 60A is formed using only a part of the connection holes 98e of the first connection member 83A, the second connection member 84A, the third connection member 85A, and the fourth connection member 86A. It may be fixed to In addition, the electromagnetic operation mechanism 60A is fixed to the housing 1 using all of the connection holes 98e of the first connection member 83A, the second connection member 84A, the third connection member 85A, and the fourth connection member 86A. You can also.
　また、上述した例では、第１の連結部材８３Ａ、第２の連結部材８４Ａ、第３の連結部材８５Ａおよび第４の連結部材８６Ａの一部を第１の分割鉄心８１Ａおよび第２の分割鉄心８１Ａよりも上方または下方へ突出させたが、第１の連結部材８３Ａ、第２の連結部材８４Ａ、第３の連結部材８５Ａおよび第４の連結部材８６Ａのうち一部の連結部材を上方または下方へ突出させないようにしてもよい。例えば、図１２に示すように、第２の連結部材８４Ａおよび第４の連結部材８６Ａを上方または下方へ突出させないように、第２の連結部材８４Ａおよび第４の連結部材８６Ａを第１の分割鉄心８１Ａおよび第２の分割鉄心８２Ａに固定してもよい。図１２は、実施の形態２にかかる他の構成の電磁操作機構の平面図である。 In the example described above, a part of the first connecting member 83A, the second connecting member 84A, the third connecting member 85A and the fourth connecting member 86A is divided into the first divided core 81A and the second divided core The connection members 83A, 82A, 84A, and 84A project upward or downward from the first connection member 83A, the second connection member 84A, the third connection member 85A, and the fourth connection member 86A. It may be made not to project. For example, as shown in FIG. 12, the second connecting member 84A and the fourth connecting member 86A are divided into first parts so that the second connecting member 84A and the fourth connecting member 86A do not project upward or downward. It may be fixed to the iron core 81A and the second split iron core 82A. FIG. 12 is a plan view of an electromagnetic operation mechanism of another configuration according to the second embodiment.
　以上のように、実施の形態２にかかる電磁操作機構６０Ａは、第１の連結部材８３Ａ、第２の連結部材８４Ａ、第３の連結部材８５Ａおよび第４の連結部材８６Ａのうち１つを構成する磁性板９１Ａの端部９１２Ａは、第１の分割鉄心８１Ａおよび第２の分割鉄心８２Ａにおける複数の磁性板９０Ａの積層方向と直交する方向において、第１の分割鉄心８１Ａおよび第２の分割鉄心８２Ａの少なくとも一方の外側へ突出しており、筐体１に設けられた支持部４，５に固定される固定領域を有する。そして、磁性板９１Ａの端部９１２Ａの突出方向は、可動鉄心６４の移動方向である。そのため、可動鉄心６４の移動方向と磁性板９０Ａの積層方向とに各々直交する方向である幅方向において、固定鉄心６１Ａの長さを抑えることができ、幅方向において、電磁操作機構６０Ａの長さを抑えることができる。 As described above, the electromagnetic operation mechanism 60A according to the second embodiment includes one of the first connecting member 83A, the second connecting member 84A, the third connecting member 85A, and the fourth connecting member 86A. The end 912A of the magnetic plate 91A to be separated is a first divided core 81A and a second divided core in a direction orthogonal to the stacking direction of the plurality of magnetic plates 90A in the first divided core 81A and the second divided core 82A. It has a fixed area which protrudes to the outside of at least one of 82 A and is fixed to the supports 4 and 5 provided on the housing 1. The projecting direction of the end 912A of the magnetic plate 91A is the moving direction of the movable iron core 64. Therefore, the length of fixed iron core 61A can be suppressed in the width direction which is a direction orthogonal to the moving direction of movable iron core 64 and the lamination direction of magnetic plate 90A, and the length of electromagnetic operation mechanism 60A in the width direction Can be reduced.
　なお、上述した例では、磁性板９１，９１Ａの突出した端部９１１，９１２Ａが支持部４，５に固定される例を説明したが、磁性板９１，９１Ａのうち突出した一部が支持部４，５に固定されればよく、端部９１１，９１２Ａが支持部４，５に固定される例に限定されない。 In the example described above, the protruding end portions 911 and 912A of the magnetic plates 91 and 91A are fixed to the supporting portions 4 and 5, but a part of the magnetic plates 91 and 91A protruding is the supporting portion What is necessary is just to be fixed to 4 and 5, and it is not limited to the example in which the end parts 911 and 912A are fixed to the support parts 4 and 5.
　また、上述した例では、電磁操作機構６０，６０Ａによって投入操作が行われる例を説明したが、電磁操作機構６０，６０Ａは、投入操作に加えて引外し操作および引外し状態の維持の少なくとも一方を行うように構成することができる。この場合、投入操作用の電磁コイル６２に加え、駆動シャフト６５を下方に移動させるための追加の電磁コイルが固定鉄心６１，６１Ａに固定され、追加の電磁コイルに励磁電流を流すことで、引外し操作および引外し状態の維持の少なくとも一方が行われる。 In the example described above, an example in which the closing operation is performed by the electromagnetic operation mechanism 60, 60A has been described, but in addition to the closing operation, the electromagnetic operation mechanism 60, 60A is at least one of the tripping operation and the maintenance of the tripping state Can be configured to In this case, in addition to the electromagnetic coil 62 for closing operation, an additional electromagnetic coil for moving the drive shaft 65 downward is fixed to the fixed iron cores 61, 61A, and an excitation current is caused to flow through the additional electromagnetic coil. At least one of the removal operation and the maintenance of the release state is performed.
　以上の実施の形態に示した構成は、本発明の内容の一例を示すものであり、別の公知の技術と組み合わせることも可能であるし、本発明の要旨を逸脱しない範囲で、構成の一部を省略、変更することも可能である。 The configuration shown in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and one of the configurations is possible within the scope of the present invention. Parts can be omitted or changed.
　１　筐体、２　壁部、３　仕切壁、４，５　支持部、７　第１の空間部、８　第２の空間部、１０　第１の固定導体、１０ａ　固定接点、１１　第２の固定導体、１２　電磁コイル、２０　可動子、２０ａ　可動接点、３０　可撓導体、４１　接圧ばね、４２，５３　リンクピン、５０　伝達部、５１　操作アーム、５２　連結板、５４　シャフト、５５　軸心、６０，６０Ａ　電磁操作機構、６１，６１Ａ　固定鉄心、６２　電磁コイル、６３　ボビン、６４　可動鉄心、６５　駆動シャフト、６６，７６　ガイド部材、６７，９５，９５ａ，９５ｂ，９５ｃ，９５ｄ，９５ｅ，９５ｆ，９８，９８ａ，９８ｂ，９８ｃ，９８ｄ，９８ｅ，９８ｆ，９８ｇ　連結穴、６８　内側空間、６９　ガイド穴、７０　連結部、７１，７２　連結ピン、７３　連結リンク、８１，８１Ａ　第１の分割鉄心、８２，８２Ａ　第２の分割鉄心、８３，８３Ａ　第１の連結部材、８４，８４Ａ　第２の連結部材、８５，８５Ａ　第３の連結部材、８６，８６Ａ　第４の連結部材、８７，８７ａ，８７ｂ，８７ｃ，８７ｄ，８７ｅ，８７ｆ　連結ボルト、８８ａ，８８ｂ，８８ｃ，８８ｄ，８８ｅ，８８ｆ　ナット、９０，９０Ａ，９１，９１Ａ　磁性板、９２，９２Ａ　延伸部、９３，９３Ａ　第１の突出部、９４，９４Ａ　第２の突出部、９６，９７　取り付けねじ、１００　遮断器。 DESCRIPTION OF SYMBOLS 1 housing | casing 2 wall part 3 partition wall 4, 5 5 support part 7 1st space part 8 2nd space part 10 1st fixed conductor 10a fixed contact point 11 2nd fixed conductor 12 electromagnetic coil 20 mover 20a movable contact 30 flexible conductor 41 contact pressure spring 42, 53 link pin 50 transmission unit 51 operation arm 52 connection plate 54 shaft 55 axis 60, 60A Electromagnetic operation mechanism, 61, 61A fixed core, 62 electromagnetic coil, 63 bobbin, 64 movable core, 65 drive shaft, 66, 76 guide member, 67, 95, 95a, 95b, 95c, 95d, 95e, 95f, 98, 98a , 98b, 98c, 98d, 98e, 98f, 98g connection hole, 68 inner space, 69 guide hole, 70 connection portion, 71, 72 connection pin , 73 connection link, 81, 81A first divided core, 82, 82A second divided core, 83, 83A first connection member, 84, 84A second connection member, 85, 85A third connection member, 86, 86A fourth connecting member, 87, 87a, 87b, 87c, 87d, 87f connecting bolt, 88a, 88b, 88c, 88d, 88e, 88f nut, 90, 90A, 91, 91A magnetic plate, 92, 92A extension, 93, 93A first projection, 94, 94A second projection, 96, 97 mounting screw, 100 circuit breaker.

Claims (7)

  1. 　固定鉄心と、
    　前記固定鉄心に対して移動可能に設けられた可動鉄心と、
    　前記固定鉄心に固定され、磁束を発生して前記可動鉄心を移動させる電磁コイルと、
    　前記可動鉄心に連結される駆動シャフトと、を備え、
    　前記固定鉄心は、
    　複数の第１の磁性板が積層されて各々形成され、前記複数の第１の磁性板の積層方向と直交する方向において互いに対向する第１の分割鉄心および第２の分割鉄心と、
    　前記第１の分割鉄心と前記第２の分割鉄心とを連結する複数の連結部材と、を備え、
    　前記複数の連結部材の各々は、
    　前記第１の磁性板と同一形状を有し、かつ前記第１の磁性板とは異なる向きで前記第１の分割鉄心と前記第２の分割鉄心とを連結する第２の磁性板により構成され、
    　前記複数の連結部材のうち少なくとも一つを構成する前記第２の磁性板は、
    　前記積層方向と直交する方向において、前記第１の分割鉄心および前記第２の分割鉄心の少なくとも一方の外側へ突出し、かつ、遮断器の筐体に設けられた支持部に固定される固定領域を有する
    　ことを特徴とする電磁操作機構。     With a fixed iron core,
    A movable core movable relative to the stationary core;
    An electromagnetic coil fixed to the fixed core and generating a magnetic flux to move the movable core;
    And a drive shaft coupled to the movable core.
    The fixed core is
    A first divided iron core and a second divided iron core which are formed by laminating a plurality of first magnetic plates and are opposed to each other in a direction orthogonal to the laminating direction of the plurality of first magnetic plates;
    A plurality of connecting members for connecting the first divided core and the second divided core;
    Each of the plurality of connection members is
    A second magnetic plate having the same shape as the first magnetic plate and connecting the first divided iron core and the second divided iron core in a direction different from that of the first magnetic plate ,
    The second magnetic plate constituting at least one of the plurality of connection members is
    A fixing region which protrudes outward of at least one of the first divided core and the second divided core in a direction orthogonal to the stacking direction and which is fixed to a support portion provided on a case of the circuit breaker; An electromagnetic operation mechanism characterized by having.
  2. 　前記固定領域は、
    　前記積層方向の表面を前記支持部への取り付け面として前記支持部に固定される
    　ことを特徴とする請求項１に記載の電磁操作機構。     The fixed area is
    The surface of the said lamination direction is fixed to the said support part as an attachment surface to the said support part. The electromagnetic operation mechanism of Claim 1 characterized by the above-mentioned.
  3. 　前記可動鉄心の移動方向は、
    　前記積層方向と直交する方向であり、
    　前記第２の磁性板は、
    　前記積層方向と前記可動鉄心の移動方向とに各々直交する方向において、前記第１の分割鉄心および前記第２の分割鉄心の少なくとも一方の外側へ前記固定領域が突出している
    　ことを特徴とする請求項１または２に記載の電磁操作機構。     The moving direction of the movable core is
    It is a direction orthogonal to the stacking direction,
    The second magnetic plate is
    The fixed area is projected to the outside of at least one of the first divided iron core and the second divided iron core in directions respectively orthogonal to the stacking direction and the moving direction of the movable iron core. An electromagnetic operation mechanism according to item 1 or 2.
  4. 　前記第２の磁性板は、
    　前記可動鉄心の移動方向において、前記第１の分割鉄心および前記第２の分割鉄心の少なくとも一方の外側へ前記固定領域が突出している
    　ことを特徴とする請求項１または２に記載の電磁操作機構。     The second magnetic plate is
    The electromagnetic operating mechanism according to claim 1 or 2, wherein the fixed region protrudes outward of at least one of the first divided core and the second divided core in the moving direction of the movable core. .
  5. 　前記第１の磁性板および前記第２の磁性板には、各々複数の連結穴が形成されており、
    　複数の前記連結穴のうちの少なくとも一つは前記固定領域に形成される
    ことを特徴とする請求項１から４のいずれか一つに記載の電磁操作機構。     A plurality of connection holes are formed in each of the first magnetic plate and the second magnetic plate,
    The electromagnetic operation mechanism according to any one of claims 1 to 4, wherein at least one of the plurality of connection holes is formed in the fixed area.
  6. 　複数の前記連結穴のうちの少なくとも一つが、前記第１の分割鉄心および前記第２の分割鉄心の前記第１の磁性板への前記第２の磁性板の連結と、前記第２の磁性板の前記支持部への固定とで選択的に使用される
    　ことを特徴とする請求項５に記載の電磁操作機構。     Connection of the second magnetic plate to the first magnetic plate of the first divided iron core and the second divided iron core, and at least one of the plurality of connection holes being the second magnetic plate The electromagnetic operation mechanism according to claim 5, wherein the electromagnetic control mechanism is selectively used for fixing the support to the support portion.
  7. 　固定接点を有する固定導体と、
    　可動接点を有する可動子と、
    　シャフトを有し、前記シャフトを直線状に移動させる電磁操作機構と、
    　前記シャフトの移動に伴って前記可動子を移動させて前記固定接点と前記可動接点との接触および隔離を行う伝達部と、
    　前記電磁操作機構および前記伝達部を覆う筐体と、を備え、
    　前記電磁操作機構は、
    　固定鉄心と、
    　前記固定鉄心に対して移動可能に設けられた可動鉄心と、
    　前記固定鉄心に固定され、磁束を発生して前記可動鉄心を移動させる電磁コイルと、
    　前記可動鉄心に連結される駆動シャフトと、を備え、
    　前記固定鉄心は、
    　複数の第１の磁性板が積層されて各々形成され、前記複数の第１の磁性板の積層方向と直交する方向において互いに対向する第１の分割鉄心および第２の分割鉄心と、
    　前記第１の分割鉄心と前記第２の分割鉄心とを連結する複数の連結部材と、を備え、
    　前記複数の連結部材の各々は、
    　前記第１の磁性板と同一形状を有し、かつ前記第１の磁性板とは異なる向きで前記第１の分割鉄心と前記第２の分割鉄心とを連結する第２の磁性板により構成され、
    　前記複数の連結部材のうち少なくとも一つを構成する前記第２の磁性板は、
    　前記積層方向と直交する方向において、前記第１の分割鉄心および前記第２の分割鉄心の少なくとも一方の外側へ突出し、かつ、遮断器の筐体に設けられた支持部に固定される固定領域を有する
    　ことを特徴とする遮断器。     A fixed conductor having a fixed contact,
    A mover having a movable contact,
    An electromagnetic operation mechanism having a shaft and moving the shaft linearly;
    A transfer unit that moves the mover in accordance with the movement of the shaft to make contact and separation between the fixed contact and the movable contact;
    A housing that covers the electromagnetic operation mechanism and the transmission unit;
    The electromagnetic operation mechanism is
    With a fixed iron core,
    A movable core movable relative to the stationary core;
    An electromagnetic coil fixed to the fixed core and generating a magnetic flux to move the movable core;
    And a drive shaft coupled to the movable core.
    The fixed core is
    A first divided iron core and a second divided iron core which are formed by laminating a plurality of first magnetic plates and are opposed to each other in a direction orthogonal to the laminating direction of the plurality of first magnetic plates;
    A plurality of connecting members for connecting the first divided core and the second divided core;
    Each of the plurality of connection members is
    A second magnetic plate having the same shape as the first magnetic plate and connecting the first divided iron core and the second divided iron core in a direction different from that of the first magnetic plate ,
    The second magnetic plate constituting at least one of the plurality of connection members is
    A fixing region which protrudes outward of at least one of the first divided core and the second divided core in a direction orthogonal to the stacking direction and which is fixed to a support portion provided on a case of the circuit breaker; A circuit breaker characterized by having.
PCT/JP2017/029816 2017-08-21 2017-08-21 Electromagnetic operating mechanism and circuit breaker WO2019038813A1 (en)

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PCT/JP2017/029816 WO2019038813A1 (en) 2017-08-21 2017-08-21 Electromagnetic operating mechanism and circuit breaker
CN201880052996.7A CN111052288B (en) 2017-08-21 2018-01-17 Circuit breaker
PCT/JP2018/001286 WO2019038946A1 (en) 2017-08-21 2018-01-17 Circuit breaker
TW107112258A TWI660388B (en) 2017-08-21 2018-04-10 Electromagnetic operating mechanism and circuit breaker
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