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Deceleration mechanism for switching devices and switching device

A technology of deceleration mechanism and switching device, used in circuit devices, emergency protection devices, contact drive mechanisms, etc., can solve the problems of deteriorating the performance and service life of the transfer switch, and achieve the effect of extending the switching time and avoiding short-circuit faults.

Active Publication Date: 2019-03-22
ABB (SCHWEIZ) AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, reducing the force applied to the operating mechanism may have the adverse effect of reducing the speed at which the contacts are opened and closed, which will significantly degrade the performance and service life of the diverter switch

Method used

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  • Deceleration mechanism for switching devices and switching device
  • Deceleration mechanism for switching devices and switching device
  • Deceleration mechanism for switching devices and switching device

Examples

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Embodiment Construction

[0036] The subject matter described herein will now be discussed with reference to several example implementations. It should be understood that these embodiments are discussed only for the purpose of enabling those skilled in the art to better understand and thereby practice the subject matter described herein, and not for the purpose of suggesting any limitation on the scope of the subject matter.

[0037] As used herein, the term "comprising" and variations thereof are to be read as open terms meaning "including, but not limited to". The term "based on" is to be read as "based at least in part on". The terms "one embodiment" and "an embodiment" are to be read as "at least one embodiment." The term "another embodiment" is to be read as "at least one other embodiment". The terms "first", "second", etc. may refer to different or the same object. Other definitions (explicit and implicit) may be included below. Definitions of terms are consistent throughout the specification...

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PUM

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Abstract

The embodiments of the subject described herein provide a deceleration mechanism (100) for switching devices and a switching device. The deceleration mechanism (100) includes a shaft (1) which is suitable for rotating in response to the operation of an actuator to drive a mobile element of a switching device, at least one deceleration wheel (2) which is fixed on the shaft (1) and has a deceleration profile (6), and a movable rocker (4) which is jointed with the deceleration wheel (2). The deceleration wheel (2) is suitable for causing the rocker (4) to move close to the deceleration profile (6) on the deceleration wheel (2) in response to the rotation of the shaft (1) in order to decelerate the rotation of the shaft (1). The deceleration mechanism can decelerate the operation of the mobileelement of the switching device without affecting the switching performance and service life of the switching device.

Description

Background technique [0001] Electrical automatic transfer switches are commonly used in power distribution systems to detect and monitor power quality and to transfer power between normal and standby power. Depending on the application scenario, the dual power automatic transfer switch is generally divided into two types, namely, a two-position switch (or simply called a two-position switch) and a three-work position switch (or simply called a three-position switch). For a three-position switch, the contacts can rest in the open position without establishing a connection to any power source. With a two-position switch, the contacts only transition between the two power sources, there is no stopping. [0002] For a two-position switch, if the switch's contacts transition between the two positions too quickly, the contacts may touch another source before the arc between the contacts and the previous source is extinguished, causing an electrical shock between the two sources. S...

Claims

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Application Information

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IPC IPC(8): H01H3/32H02J9/06
CPCH02J9/06H01H3/32H01H3/42H01H3/52H01H2300/018H01H9/26H01H7/08
Inventor 林泽明
Owner ABB (SCHWEIZ) AG
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