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A DC Bus Type High Current Switch

A high-current switch and bus-type technology, which is applied to air switch components and other directions, can solve the problems of low work efficiency of manual shafts and failure to cut off the switch in time, and achieve the effect of simple structure, stable performance and high safety performance

Active Publication Date: 2019-03-29
江苏海鼎电气科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the working efficiency of the manual shaft is too low to cut off the switch in time. We need a high-current switch that can quickly cut off the power supply even if the motor is damaged.

Method used

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  • A DC Bus Type High Current Switch
  • A DC Bus Type High Current Switch
  • A DC Bus Type High Current Switch

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0018] Example: such as figure 1 The structure of the DC bus type high-current switch shown is: including a base; the base is provided with a layer of insulating layer; the four corners of the base are provided with four mounting brackets; the mounting brackets are provided with parallel The upper insulating side plate and the lower insulating side plate; the switch also includes a moving contact blade, a left static contact blade, a right static contact blade, a transmission mechanism, a motor, a left cross bar, a right cross bar, and a rotating shaft; The left cross bar and the right cross bar are parallel to each other, and are vertically arranged on the left and right sides between the upper insulating side plate and the lower insulating side plate; the left static contact blade is sleeved and fixed on the left cross bar; the right The static contact blade is sleeved and fixed on the right cross bar; the rotating shaft is fixed vertically between the upper insulating side ...

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PUM

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Abstract

The invention discloses a direct-current bus type high-current switch. The direct-current bus type high-current switch is characterized by comprising a base, wherein an insulating layer is arranged on the base; four mounting racks are arranged at four corners of the base; and an upper insulating side plate and a lower insulating side plate parallel to each other are arranged on each mounting rack. The switch also comprises a movable contact blade, a left fixed contact blade, a right fixed contact blade, a transmission mechanism, an electromotor, a left transverse rod, a right transverse rod and a rotating shaft. The switch disclosed by the invention has the advantages of simple structure, convenient operation, accurate control, safety, reliability, high adaptability and the like, and is a safe switch.

Description

technical field [0001] The invention relates to a knife switch, in particular to a DC bus type high current switch. Background technique [0002] For the on-off of high-current circuits above 10kA, for safety reasons, it is generally not manually operated directly, but indirectly through certain transfer switches. However, the current transfer switch still has the defects of complex structure and inconvenient operation, and the closing and opening of the transfer switch still depends on manual operation, which is not safe. [0003] Simultaneously, need disconnection for emergency situation, and run into the situation of motor damage, need manual operation switch, and the high-current switch of prior art is to be provided with manual rotating shaft on the rotating shaft. However, the working efficiency of the manual shaft is too low to cut off the switch in time. We need a high-current switch that can quickly cut off the power supply even if the motor is damaged. Contents ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H31/10
CPCH01H31/10
Inventor 陶勇
Owner 江苏海鼎电气科技有限公司