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Programmable three-position switch

A three-position switch and programming technology, which is applied in the direction of the power device inside the switch, can solve the problems of affecting the working effect and unsatisfactory accuracy, and achieve the effect of convenient operation, good working performance and precise working position

Active Publication Date: 2015-04-01
JIANGSU DONGYUAN ELECTRIC APPLIANCEGROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In the existing gas insulated switchgear, the switching control of different stations relies on manual control, and the accuracy is not ideal, which affects the working effect

Method used

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  • Programmable three-position switch

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Embodiment Construction

[0010] A programmable three-position switch, including a moving contact 2 driven by a screw rod 1, the left and right sides of the moving contact are respectively a grounding terminal 3 and an isolated closing terminal 4; the moving contact is driven by the rotation of the screw rod When the bottom is on the left side, it is connected with the grounding terminal, and the switch is in the grounding state; when the moving contact is on the right side driven by the rotation of the screw rod, it is connected with the isolation closed end, and the switch is in the isolation and disharmony state; the moving contact is on the screw rod. Driven by the rotation, when it is located in the middle, it is not connected to the grounding end and the isolation closed end, and the switch is in the isolated and open state; the screw is driven by a motor, and a rotation encoding sensor is set on the screw to sense the rotation of the screw, and the rotation encoding sensor Connect with the encode...

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Abstract

The invention discloses a programmable three-position switch. A screw is driven by a motor. A rotary encoding sensor for sensing rotation conditions of the screw is disposed on the screw and is connected with an encoder controller. The encoder controller is connected with a programmable controller which controls the motor to rotate. The rotary encoding controller outputs moving contact position signals to the programmable controller. The programmable controller further controls the motor to positively or reversely rotate and stop according to the moving contact position signals, so that the rotation states of the screw are controlled. The programmable three-position switch is reasonable in structure, convenient to operate, precise in operating position, and fine in operating performance.

Description

technical field [0001] The invention relates to a three-position switch of a gas insulated switchgear. Background technique [0002] In the existing gas insulated switchgear, the switching control of different stations is controlled manually, and the accuracy is not ideal, which affects the working effect. Contents of the invention [0003] The object of the present invention is to provide a programmable three-position switch with reasonable structure, precise operation and convenient operation. [0004] Technical solution of the present invention is: [0005] A programmable three-position switch is characterized in that: it includes a moving contact driven by a screw rod, and the left and right sides of the moving contact are the grounding end and the isolation closing end respectively; the moving contact is driven by the rotation of the screw rod When the bottom is on the left side, it is connected with the grounding terminal, and the switch is in the grounding state; ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H3/26
Inventor 孙益源邱卫东孙志忠
Owner JIANGSU DONGYUAN ELECTRIC APPLIANCEGROUP
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