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Contactor Electromagnetic System

An electromagnetic system and contactor technology, which is applied in the direction of electromagnetic relays, electromagnetic relay details, circuits, etc., can solve problems such as high production energy consumption, polluting the environment, poor effect of buffering vibration, and complex buffer structure design, etc., to achieve good results. buffering effect

Active Publication Date: 2015-12-16
DELIXI ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] For this reason, the technical problem to be solved by the present invention is to overcome the problems of complex buffer structure design, short service life, high production energy consumption, poor effect on environmental pollution or buffering vibration of the contactor electromagnetic system in the prior art, and provide An environmentally friendly, simple structure, good cushioning effect and wear-resistant contactor electromagnetic system

Method used

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  • Contactor Electromagnetic System
  • Contactor Electromagnetic System

Examples

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Effect test

Embodiment 1

[0046] Such as figure 1 As shown, this embodiment provides a contactor electromagnetic system, including a base 5, a coil 3 disposed inside the base 5, a yoke 2, an armature 1, and an elastic buffer between the coil 3 and the base 5, and the coil is energized , a strong electromagnetic force is generated between the yoke 2 and the armature 1, and under the action of the electromagnetic force, the armature 1 and the yoke 2 are combined into one body and then move along the axial direction of the coil 3 hit the base, the elastic buffer buffers the vibration generated after the armature 1 and the yoke 2 hit the base 5; Vibration has a good buffering effect and will not cause a lot of pollution in the production process, such as figure 1 As shown, the yoke 2 of this embodiment is formed with installation holes penetrating from its two side walls, and the extension direction of the installation hole 21 is perpendicular to the axial direction of the coil 3, so that the extension ...

Embodiment 2

[0065] This embodiment provides a contactor electromagnetic system, which is a modification of Embodiment 1. The mounting holes 21 in this embodiment are formed into two, and are respectively formed between two adjacent vertical portions 23 On the horizontal portion 22 between, the two installation holes 21 have the same size, and each of the installation holes 21 is inserted with the leaf spring 4 as described in the first embodiment.

Embodiment 3

[0067] This embodiment provides a contactor electromagnetic system, which is a modification of Embodiment 1 and Embodiment 2. In this embodiment, both ends of the leaf spring 4 are fixed relative to the base 5 .

[0068] Specifically, both ends of the leaf spring 4 are respectively fixed on the ends of the coil 3 that are opposite to the side wall of the base 5 that is hit.

[0069] As a modification of fixing the two ends of the leaf spring 4, the two ends of the leaf spring 4 in this embodiment can also be fixed on the two side walls of the base 5, or the base 5 The two ends of the leaf spring 4 corresponding to the impacted side walls are respectively formed with bosses protruding towards the two ends of the leaf spring 4, and the two ends of the leaf spring 4 can be fixed on the two ends of the leaf spring 4. on the boss.

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Abstract

A contactor electromagnetic system, comprising a base (5) and a coil (3) disposed inside the base, a magnet yoke (2), an armature (1) and a resilient cushioning piece between the coil and the base; a mounting hole (21) is shaped on the magnet yoke, and extends in a direction perpendicular to the axial direction of the coil; the elastic buffer is a leaf spring (4), the middle part of the leaf spring is an arc passing through the mounting hole and protruding towards the impaction portion of the base; when the magnet yoke and the armature impact the base and rebound in an opposite direction, the arc top is compressed and deformed by the wall of the installation hole, thus cushioning the vibration of the armature and the magnet yoke. Due to the great energy loss during the compression and rebounding of the leaf spring, and energy loss resulting from the armature and the magnet yoke impacting the base, and the energy consumed due to friction when the two ends of the leaf spring slide back and forth on the base or coil during compression and rebounding of the leaf spring, all causes the vibration of the armature and the magnet yoke to quickly attenuate and stop.

Description

technical field [0001] The invention relates to a contactor, in particular to a contactor electromagnetic system for buffering the vibration of an armature and a magnetic yoke after attraction, and belongs to the technical field of low-voltage electrical appliances. Background technique [0002] A contactor is a non-manually operated mechanical switching device that can carry and frequently switch on and off currents under normal circuit conditions. The contactor consists of an electromagnetic system (armature, yoke and electromagnetic coil), a contact system and an arc extinguishing device. [0003] Contactor electromagnetic system, when the coil is energized, the yoke is magnetized, electromagnetic attraction is generated between the yoke and the armature, the electromagnetic attraction overcomes the reaction force of the reaction spring and the armature is attracted to the yoke, and the contact is driven when the armature and the yoke are closed The system is closed, so ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H50/36H01H50/30H01H50/02
CPCH01H50/305H01H50/36
Inventor 蔡洪洲靳海富张红伟
Owner DELIXI ELECTRIC
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