Motor intelligent power adjustment device

An electric motor and intelligent technology, applied in the direction of circuits, electric switches, electrical components, etc., can solve problems affecting the service life of contactors, reduce vibration and noise, increase service life, and eliminate instantaneous faults

Inactive Publication Date: 2015-10-28
ZHONGNENG SHIHUA BEIJING ENERGY SAVING SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the contactor breaks the current, platinum scale formed by metal vapor will be formed in the contact gap, which will affect the service life of the contactor. Therefore, an intelligent motor power adjustment device is proposed to solve the above problems

Method used

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Embodiment Construction

[0011] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0012] Please refer to the attached Figure 1~2 , In the embodiment of the present invention, an intelligent motor power adjustment device includes an arc extinguishing cover 1, a contact pressure spring piece 2, a main contact 3, a reaction spring 4, a coil 5, a short circuit ring 6, a static iron core 7, and a spring 8 , moving iron core 9, auxiliary normally open contact 10 and auxiliary normally closed contact 11; the coil 5 is installed at the center bott...

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PUM

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Abstract

Provided is a motor intelligent power adjustment device. The motor intelligent power adjustment device comprises an arc extinguishing cover, a contact pressure spring sheet, a main contact, a counteractive spring, a coil, a short circuit loop, a fixed iron core, a spring, a movable iron core, an auxiliary normally-open contact and an auxiliary normally-closed contact. The coil is installed at the bottom of the center of the integral body. The short circuit loop is arranged at one side of the coil. The fixed iron core is embedded in the short circuit loop. The auxiliary normally-open contact is arranged on the upper surface of the coil. The counteractive spring is installed between the coil and the auxiliary normally-open contact. The movable iron core is installed at one end of the auxiliary normally-open contact in a suspension manner. The spring is arranged at one side of the fixed iron core. The auxiliary normally-closed contact is installed at the top of the auxiliary normally-open contact. The main contact is arranged at one side of the auxiliary normally-closed contact. The contact pressure spring sheet is arranged above the main contact. The arc extinguishing cover is arranged at the top of the coil. The device not only can connect and disconnect a circuit, has a low-voltage release protection function, has a large control capacity, and is suitable for frequent operation and long-distance control.

Description

technical field [0001] The invention relates to the technical field of electric motor power adjustment applications, in particular to an intelligent electric motor power adjustment device. Background technique [0002] With the development of society, more and more fields are applied to the motor. The AC contactor is an important structure for power adjustment of the motor. Its typical structure is divided into double-break point direct-acting type and single-break-circuit rotating type. The motor power adjustment device is combined with the relay control circuit to remotely control or interlock related electrical equipment. At present, the commonly used vacuum contactor uses vacuum as the arc extinguishing medium, and its main contact is sealed in a special vacuum interrupter. When the operating coil is energized, the armature pulls in, and the contacts close under the action of the contact spring and the self-closing force of the vacuum tube. When the operating coil is pow...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K11/04H01H33/04H01H33/38
Inventor 陈江华王龙胡雯
Owner ZHONGNENG SHIHUA BEIJING ENERGY SAVING SCI & TECH
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