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A pre-contact module in a capacitor contactor

A pre-contact, contactor technology, applied in relays, electromagnetic relays, electromagnetic relay details and other directions, can solve the problems of increasing the design space of contactors, difficulty in miniaturization of devices, damage to adjustment springs, etc., to avoid failure or even damage and shrinkage. Design space, the effect of enhancing reliability

Active Publication Date: 2016-03-02
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, since the other end of the adjustment spring is not fixed, the adjustment spring sometimes jumps out of the hole during deformation, causing the adjustment spring to fail or even damage the adjustment spring.
For this reason, the reliability of the adjustment spring can be enhanced by increasing the size of the hole, but this will undoubtedly increase the design space of the contactor and cause difficulties in the miniaturization of the device

Method used

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  • A pre-contact module in a capacitor contactor
  • A pre-contact module in a capacitor contactor
  • A pre-contact module in a capacitor contactor

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0031] In the first embodiment of the present invention, one end of the adjustment spring close to the movable contact spring is still fixed on the pre-contact support as in the prior art, while the other end is fixed on a support plate, which can be used in a Inside the form that accommodates the adjustment spring and limits the vibration of the adjustment spring, slides in the contraction / extension direction of the adjustment spring, such as figure 2 shown. The support plate is long, such as Figure 5 As shown in , its length direction is in the figure 2 The direction perpendicular to the paper surface, so when the auxiliary support drives the pre-contact support to move in the direction indicated by the arrow, the support plate will touch the shell substrate of the capacitive contactor and stop moving, and then compress the adjustment spring in the window to Provides force to separate the two contact support parts from each other.

[0032] Next, first combine Figure ...

no. 2 approach

[0040] Figure 6 It is a front view of the pre-contact module of the capacitor contactor in the second embodiment of the present invention.

[0041] According to the second embodiment of the present invention, two adjustment springs 6 can be arranged in the pre-contact support 1, respectively arranged at positions corresponding to the two moving contact springs 7, and respectively located on both sides of the permanent magnet 3, Specific location such as Figure 6 shown. Simultaneously similar to the description in the first embodiment of the present invention, the two adjustment springs 6 each slide in a window 9 , and their two ends are respectively fixed on the pre-contact support 1 and a support plate 8 . Therefore, during the movement of the pre-contact support, the two adjustment springs are compressed together in their respective windows, which increases the force for separating the pre-contact support and the auxiliary support, and further enhances the reliability of...

Embodiment approach

[0044] According to the third embodiment of the invention, it is also possible, as in the first embodiment, to provide only one adjustment spring 6 , but it is arranged at Figure 6 The right position of the middle permanent magnet 3, rather than being set on the left side of the permanent magnet 3 as in the first embodiment. Corresponding to the adjustment spring, the design of the window, the support plate, the limit mechanism, etc. is similar to that of the first embodiment.

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PUM

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Abstract

The invention provides a pre-contact module in a capacitor contactor and the capacitor contactor including the pre-contact module. The pre-contact module comprises a pre-contact support and an auxiliary support. The pre-contact support comprises an adjusting spring for providing acting force enabling the pre-contact support and the auxiliary support to be separated, wherein one end of the adjusting spring is fixed on a pre-contact support, the adjusting spring is accommodated in a window body, the other end of the adjusting spring is fixed on a support plate, and the support plate can slide in the deformation direction of the adjusting spring and in the window body. By means of the technical scheme, the deformation process of the adjusting spring in a small space range can be finished through the window body and the support plate, invalidation and damage of the adjusting spring are avoided, and the reliability of the adjusting spring is enhanced. In addition, the design space of the capacitor contactor is decreased, and miniaturization device design is achieved.

Description

technical field [0001] The invention relates to the field of contactors, in particular to a pre-contact module in a capacitor contactor. Background technique [0002] In a capacitive contactor, it generally includes two parts: a contactor body and a pre-loading block. Such as figure 1 As shown, the pre-contact module usually includes two contact carrier parts: a pre-contact support 1 (pre-load carrier) carrying a permanent magnet 3 and an auxiliary support 2 (auxiliary carrier) carrying an iron block 4, wherein the auxiliary support 2 It is connected with the main contact support (not shown) on the contactor body through the hook 5 thereon. When the capacitive contactor is in the "OFF" state (disconnected state), the permanent magnet 3 on the pre-contact support 1 and the iron block 4 on the auxiliary support 2 attract each other so that the two contact support parts are combined together, and They are all in their respective initial positions; and when the capacitive con...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H50/64
Inventor 王龙涛费丹尼李新叶沈爱霞韩冰孙卫
Owner SIEMENS AG
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