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Electrical switchgear with improved linear bearings

A technology for electrical switches and equipment, applied in circuits, relays, magnetic objects, etc., can solve problems such as increased friction coefficient and coating wear

Active Publication Date: 2020-05-19
TE CONNECTIVITY GERMANY GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this coating wears over the life of the electrical switchgear, so that the coefficient of friction increases over time

Method used

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  • Electrical switchgear with improved linear bearings
  • Electrical switchgear with improved linear bearings
  • Electrical switchgear with improved linear bearings

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0084] figure 1 A perspective sectional view of an electrical switching device 1 is shown. The electrical switching device 1 is shown in the open position O. As shown in FIG.

[0085] The electrical switching device 1 extends over a width b measured along the x-axis, a depth t measured along the y-axis, and a height h measured along the z-axis.

[0086] The electrical switching apparatus 1 generally comprises a solenoid assembly 3 and a contact housing arrangement 5 . figure 1 The contact chamber arrangement 5 is not shown in its entirety and wherein the contact chamber arrangement 5 comprises the upper housing part 7 and the contact chamber aperture 9 in the contact chamber middle plate 11 .

[0087] Part of the contact chamber means 5 presents a cover-like means 6 sealing the solenoid assembly 3 .

[0088] The upper housing part 7 and the contact chamber intermediate plate 11 enclose the contact chamber 13 , wherein the contact chamber aperture 9 presents the bottom surfa...

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PUM

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Abstract

The invention relates to an electric switching device (1), comprising: an armature (41); a solenoid assembly (3), which has a first bearing portion (61), and the armature (41) is arranged to The pipe assembly (3) is movably supported in the switching direction (S); and the armature shaft (15), which is fixed to the armature (41) and moves together with the armature (41). In order to prevent pitching of the armature (41) or the armature shaft (15) and thus locking without reducing vibration resistance or using expensive bearing coatings, it is envisaged according to the invention that the armature shaft (15) is supported At the additional bearing portion (83) in the solenoid assembly (3).

Description

technical field [0001] The present invention relates to an electric switching device comprising: an armature; a solenoid assembly having a first bearing portion, and the armature is arranged to be movably supported in a switching direction in the solenoid assembly; and an armature shaft , which is fixed to the armature and moves with it. Background technique [0002] Electrical switching devices, such as, for example, relays and contactors are sufficiently known from the prior art. Thus, US patents US 6,911,884 B2 and US 8,138,863 B2 respectively show electrical switching apparatus comprising a solenoid assembly, a movable armature, an armature shaft attached to the movable armature, and a contact arrangement and other components. The contact arrangement is located in the region of the switching chamber in such a way that an occurring switching arc is sealed off from the electromagnetic drive system. The contact arrangement is attached to the armature shaft which passes t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H50/18H01H50/20
CPCH01H50/18H01H50/20H01H50/30H01F7/1607H01H50/546H01H50/60H01H50/22H01H50/36
Inventor M.克罗克P.桑德克U.加贝尔T.黑内尔
Owner TE CONNECTIVITY GERMANY GMBH
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