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Central locked straight running alternating-current contactor

An AC contactor and lock technology, applied in relays, electromagnetic relays, electromagnetic relay details, etc., can solve the problems of easy-to-burn coils or contacts, heavy contactors, high power consumption, etc., and achieve a simple, reliable and reliable structure. High performance, easy to lose voltage and tripping effect

Active Publication Date: 2012-07-11
唐山图灵科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the electromagnet is heavy, the contactor is also heavy, the power consumption is large, the noise is large, and the coil or contact is easy to burn, and the reliability is poor.

Method used

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  • Central locked straight running alternating-current contactor
  • Central locked straight running alternating-current contactor
  • Central locked straight running alternating-current contactor

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings of the embodiments.

[0022] Such as figure 1 , figure 2 As shown, the central locking type direct running AC contactor of the present invention includes dynamic and static contacts corresponding to each other, the moving contacts are installed on the movable bracket 12, and the static contacts are fixed on the static contact fixing frame , the static contact fixing frame is fixed on the contactor base 5, and the center position of the bottom of the movable bracket 12 is equipped with a traction electromagnet, which includes a pull-in coil 1, a fixed magnet 2 and a traction iron core 10, and the traction electromagnet The upper end of the traction iron core 10 is fixed at the center of the bottom of the movable support 12 through the hanging plate 11, and the lower end is provided with a locking mechanism.

[0023] Such as figure 2 , Figure 4 As shown, the locking ...

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Abstract

The invention relates to a central locked straight running alternating-current contactor, and belongs to the technical field of low-voltage electric appliances. The contactor comprises a dynamic contact and a static contact which correspond to each other; the dynamic contact is arranged on a movable support; the static contact is fixed on a static contact fixing rack; the static contact fixing rack is fixed on a contactor base; and a dynamic iron core of an attracting electromagnet is arranged at the bottom of the movable support, and a corresponding static iron core below the dynamic iron core is arranged on the contactor base. The contactor is characterized in that: the attracting electromagnet is arranged at the central position of the bottom of the movable support, the attracting electromagnet is a traction electromagnet, the upper end of a traction iron core of the traction electromagnet is fixed at the central position of the bottom of the movable support, and the lower end of the traction iron core is provided with a locking and unlocking mechanism. The contactor is light, does not consume power or produce noise in the running process, and is high in reliability.

Description

technical field [0001] The invention relates to a central locking type direct running AC contactor, which belongs to the technical field of low-voltage electrical appliances. Background technique [0002] The AC contactor is the most widely used electrical device in electrical equipment. The direct-running AC contactor includes dynamic and static contacts corresponding to each other. The moving contacts are installed on the movable bracket, and the static contacts are fixed on the static contact holder. , the static contact fixing frame is fixed on the base of the contactor, the bottom of the movable bracket is installed with the moving iron core of the suction electromagnet, and the corresponding static iron core below is installed on the base of the contactor. When working, power is supplied to the coil of the pull-in electromagnet, so that suction is generated between the moving and static iron cores of the electromagnet, and the moving iron core pulls the movable support...

Claims

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Application Information

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IPC IPC(8): H01H50/00H01H50/32
Inventor 曲建胜刘慎明王永田董兆敏
Owner 唐山图灵科技股份有限公司
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