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Horizontal permanent magnetic mechanism breaker

A permanent magnet mechanism and circuit breaker technology, which is applied to high-voltage air circuit breakers, circuits, electrical components, etc., can solve problems such as complex structure, high cost, work reliability, poor stability, etc., achieve compressed volume space, and reduce overall height , the effect of compact structure

Inactive Publication Date: 2015-05-06
ANHUI YUTENG VACUUM ELECTRICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The former needs to increase the overall height of the circuit breaker, and its technology is difficult and immature; the latter needs to increase the guide device to realize linear drive, which not only has a complex structure, high cost, but also poor working reliability and stability

Method used

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Embodiment 1

[0011] figure 1 with figure 2 A specific embodiment of the invention is shown in which figure 1 It is a structural schematic diagram of the present invention; figure 2 yes figure 1 A structural schematic diagram of the circuit breaker shown when viewed from another angle.

[0012] This embodiment discloses a horizontal permanent magnet mechanism circuit breaker, see figure 1 with figure 2 As shown, it includes a frame 1, three vacuum switch tubes 2 arranged in parallel on the frame, three insulating pull rods 31, three contact springs 32, three insulators 35, two permanent magnets with push rods 41 Type driving mechanism 4, a rotating shaft 51, two opening springs 52 and six opening and closing toggle arms 53.

[0013] See figure 1 with figure 2 As shown, each vacuum switch tube is set along the vertical direction, the static contact is on the top, and the moving contact is on the bottom; the top part of the static contact extending out of the vacuum switch tube ho...

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Abstract

The invention discloses a horizontal permanent magnetic mechanism breaker. The breaker comprises a frame, vacuum switch tubes arranged on the frame in parallel, two permanent magnetic driving mechanisms with push rods, a rotation shaft, two separating brakes and six breaking-closing brake crank arms. The push rods of the permanent magnetic driving mechanisms are horizontal and are vertical to the moving directions of moving and static contact breaking-closing brakes of the vacuum switch tubes to form a horizontal structure. The rotation shaft is arranged in the frame in a rotatable mode, the middle ends of the crank arms are sleeved and fixed on the rotation shaft, the lower ends are in rotatable connection with the push rods of the permanent magnetic driving mechanisms through hinge pins, and the upper arms are connected with the bottom ends of insulation pull rods through hinge pins. The vacuum switch tubes are arranged along the plumb line directions, the static contacts are arranged on the upper portions, and the movable contacts are arranged on the lower portions. The portions of the static contacts, which stretch out of the top ends of vacuum switch tube casings are fixed with and electrically connected with upper power connection plates. By means of the breaker, the whole height can be reduced effectively, and the breaker is in accordance with the miniaturization development trend.

Description

technical field [0001] The invention belongs to the technical field of structural design of a permanent magnet mechanism circuit breaker in a coal mine explosion-proof power distribution system, and in particular relates to a horizontal permanent magnet mechanism circuit breaker. Background technique [0002] At present, the high, medium and low voltage circuit breakers and contactors in the coal mine explosion-proof power distribution system generally include three vacuum switch tubes and a vertical permanent magnet drive mechanism for synchronously driving the three vacuum switch tubes to open and close synchronously. The type permanent magnet drive mechanism generally realizes synchronous driving of multiple vacuum switch tubes through the shaft lever technology or by turning the crank arm. The former needs to increase the overall height of the circuit breaker, and its technology is difficult and immature; the latter needs to increase the guide device to realize linear dr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H33/666
CPCH01H33/66H01H33/666
Inventor 王明
Owner ANHUI YUTENG VACUUM ELECTRICAL
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