JPS62109330U - - Google Patents

Description

[Brief explanation of the drawing]

Figure 1 shows one embodiment of this invention.
Figure 2 is a sectional view along the line - in Figure 1 with the cover 1b attached, Figure 3 is a perspective view showing the relationship between the U-shaped yoke and the cover, and Figure 4 is a conventional device. Figure 5 shows the off-state diagram of the cutter with the cover removed, and the on-state diagram of the cutter with the cover removed.
Figure 6 is a trip state diagram, Figure 7 is the same diagram as Figure 4 with the switch base attached, Figure 8 is the same diagram as Figure 7 with a micro switch etc. attached, and Figure 9 is the remote control circuit. Fig. 10 is a plan view of the operating electromagnet 25 with the cover 1b of the cutter and disconnector removed; Fig. 11 is a sectional view along the line - in Fig. 10 with the cover 1b attached; Fig. 12 is an exploded perspective view, Figure 13 is a plan view of the armature with a coil wound around it, Figure 14 is a right side view of Figure 13,
FIG. 15 is a perspective view of a U-shaped yoke, FIG. 16 is a perspective view of a permanent magnet, FIG. 17 is a perspective view of a flat yoke, and FIGS.
FIG. 7 is a diagram schematically showing the magnetic circuit of the operating electromagnet, and FIG. 20 is a diagram showing a change from FIG. 11. In the figure, 1 is a frame, 1a is a base, 1
b is a cover, 2 is an operating handle, 10 is a movable contact, 11 is a fixed contact, 25 is an operating electromagnet, 48 is a coil, 56 is an armature, 561, 562, 5
63, 564 is a suction part, 57 is a bobbin, 574,
575 is a pin, 58 is a U-shaped yoke, 581,5
82 is a side part, 583 is a top part, 584 is a hole, 59,
60 is a permanent magnet, 61 and 62 are flat yokes, 6
31,632,633,634,635,636
is a groove, 637 is a hole, 66 is a notch, 67 is a protrusion,
68 and 69 are grooves. Note that the same reference numerals in each figure indicate the same or corresponding parts.

Claims (1)

[Claims for Utility Model Registration] (1) A pair of shield breaker contacts, an operating electromagnet that is energized by a remote control signal to open and close the shield breaker contacts, and a device housing the operating electromagnet, etc. A remote-controlled circuit breaker comprising a base and a cover constituting a frame of the breaker, the operating electromagnet passing through a central opening of a bobbin around which a coil is wound, with both ends protruding from the bobbin. An amachiyua with suction parts on both the left and right sides of the protruding part,
a U-shaped yoke consisting of side parts held in grooves of the base so as to face both left and right sides of the armature, and a top part that passes above the armature and connects the side parts to each other; a permanent magnet located inside the U-shaped yoke; and a flat yoke held in the groove of the base for sandwiching the permanent magnet with the side of the U-shaped yoke in a sandwich-like manner. The operating electromagnet is fixed in the frame by pressing the top part of the armature with the cover, and the armature is reversibly rotated by superimposing the magnetic flux formed by the coil on the magnetic flux of the permanent magnet. At least one notch or hole is provided near the side of the top of the U-shaped yoke, and a projection that fits into the notch or hole is provided in the cover, and the projection connects the permanent magnet and the flat yoke. A remote control type circuit breaker, characterized in that a presser foot is fixed to the base. (2) The remote control system according to claim 1 of the Utility Model Registration Claim, which has notches on both sides of the top of the U-shaped yoke, and has two notches on each side of the top of the U-shaped yoke. Circuit break.