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Reluctance Electromagnetic Active Vibration Isolator

An active vibration isolation and reluctance type technology, applied in the direction of shock absorber, magnetic spring, spring/shock absorber, etc., can solve the problems of air gap change, nonlinearity, etc., and achieve small height space, optimized structure, and engineering application strong effect

Active Publication Date: 2018-04-10
NO 719 RES INST CHINA SHIPBUILDING IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with electric actuators, electromagnetic actuators can generate greater force with smaller actuator volume and magnetic field, but it is easy to cause nonlinearity due to air gap changes during operation.

Method used

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  • Reluctance Electromagnetic Active Vibration Isolator
  • Reluctance Electromagnetic Active Vibration Isolator
  • Reluctance Electromagnetic Active Vibration Isolator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] Referring to the accompanying drawings, a reluctance type electromagnetic active vibration isolator includes: a base plate 1 and a mover assembly and a stator assembly installed on the base plate 1;

[0017] The mover assembly includes: an "I"-shaped mover silicon steel sheet group 6 wound with a coil 14; the upper and lower ends of the mover silicon steel sheet group 6 are respectively equipped with mover silicon steel sheet upper fixing plates 4, The lower fixed plate 7 of the mover silicon steel sheet; the mover guide rail mounting plate 2 is installed between the mover silicon steel sheet upper fixed plate 4 and the mover silicon steel sheet lower fixed plate 7 on each side; each mover guide rail mounting plate 2 There is a pair of rolling guide rails 13;

[0018] The stator assembly includes: two stator yokes 8 with permanent magnets 9 embedded in the center grooves of the end faces; the two sides of each stator yoke 8 are connected with stator silicon steel sheet ...

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Abstract

The invention belongs to the technical field of vibration noise control, and relates to an active vibration isolator, in particular to a magnetic resistance type electromagnetic active vibration isolator. The magnetic resistance type electromagnetic active vibration isolator comprises a base plate (1), a rotor assembly and a stator assembly. The rotor assembly and the stator assembly are installed on the base plate (1), the rotor assembly is located in the center of the base plate (1), the stator assembly is installed outside the rotor assembly, and a gap is kept between the stator assembly and the rotor assembly. A secondary rolling guide rail pair (13) and a stator guide rail installing plate (3) are coordinated to guarantee the vertical movement of the rotor assembly. A connection terminal (12) is installed on a rotor silicon steel sheet upper fixing plate (4) and is connected with a coil (14). According to the magnetic resistance type electromagnetic active vibration isolator, on the basis of the minimum magnetic resistance theory, the Lorentz force and the rolling type low-friction structure, the active output force generated by a unit current is very large, the structure of the magnetic resistance type electromagnetic active vibration isolator is optimized, the needed transverse space and height space are small, good swing resistance and impact resistance are achieved, and high engineering application performance is achieved.

Description

technical field [0001] The invention belongs to the technical field of vibration and noise control, in particular to an active vibration isolator. Background technique [0002] Harmful vibration of ship power machinery has always been a matter of great concern. Harmful vibration will not only cause air noise pollution, but even damage structures. For military ships, the vibration of their power machinery has a more special hazard. It will produce hull radiation noise, affect the concealment of the ship, and increase the possibility of being destroyed by underwater weapons such as acoustic mines. Therefore, people have been working hard to control and control the vibration and noise of power machinery. [0003] The traditional passive vibration isolation technology is a very effective means of vibration control. Its principle is to add elastic vibration damping elements between the power machinery and the foundation, so that the impedance of the two will be unbalanced, there...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F6/00
CPCF16F6/00F16F2222/06
Inventor 周刘彬李强余永丰刘记心马玺越杨恺蒋士亮
Owner NO 719 RES INST CHINA SHIPBUILDING IND
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