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Electromagnetic type chaos vibration exciter

A vibration exciter, electromagnetic technology, applied in the direction of the fluid using vibration, can solve the problems of inability to achieve better excitation effect, high energy consumption, low excitation efficiency, etc., and achieve simple structure, high efficiency, and vibration excitation. energy boosting effect

Inactive Publication Date: 2018-02-16
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing single-frequency electromagnetic vibration exciter cannot achieve a better excitation effect in vibration engineering, and the excitation efficiency is low and the energy consumption is high

Method used

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  • Electromagnetic type chaos vibration exciter
  • Electromagnetic type chaos vibration exciter
  • Electromagnetic type chaos vibration exciter

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1: as figure 1 As shown, an electromagnetic chaos exciter includes a rectifier 1, a switch 2, an iron core 3, a coil 4, a spring, two mass bodies and a base 9, and there is a movable armature in the two mass bodies 5;

[0018] After the switch 2 is closed, the alternating current forms a pulsating current through the rectifying device 1, and the electromagnetic force generated by the pulsation of the iron core 3 through the coil 4 acts on the movable armature 5, driving the movable armature 5 to vibrate; forming two degrees of freedom vibration system.

[0019] The number of said mass body is 2, including movable armature 5, mass body I 8 (such as figure 1 Among them, the movable armature 5 represents m1, and the mass body Ⅰ8 represents m2); the spring includes spring Ⅰ6 and spring Ⅱ7 (such as figure 1 Among them, the spring I6 represents k1, and the spring II7 represents k); the movable armature 5 is supported on the base 9 by the spring II7, and the mass...

Embodiment 2

[0023] Embodiment 2: as figure 2 As shown, an electromagnetic chaos exciter includes a rectifier 1, a switch 2, an iron core 3, a coil 4, a spring, two mass bodies and a base 9, and there is a movable armature in the two mass bodies 5;

[0024] After the switch 2 is closed, the alternating current forms a pulsating current through the rectifying device 1, and the electromagnetic force generated by the pulsation of the iron core 3 through the coil 4 acts on the movable armature 5, driving the movable armature 5 to vibrate; forming two degrees of freedom vibration system.

[0025] Further, the rectification device 1 can be set as full-wave or half-wave rectification.

[0026] Further, the spring can be set as a metal spring or a rubber product.

[0027] The number of the mass body is 2, including the movable armature 5, the mass body I8; the spring includes the spring I6, the spring II7; wherein the movable armature 5 is supported on the base 9 through the spring II7, and th...

Embodiment 3

[0029] Embodiment 3: as image 3 As shown, an electromagnetic chaos exciter includes a rectifier 1, a switch 2, an iron core 3, a coil 4, a spring, two mass bodies and a base 9, and there is a movable armature in the two mass bodies 5;

[0030] After the switch 2 is closed, the alternating current forms a pulsating current through the rectifying device 1, and the electromagnetic force generated by the pulsation of the iron core 3 through the coil 4 acts on the movable armature 5, driving the movable armature 5 to vibrate; forming two degrees of freedom vibration system.

[0031] Further, the rectification device 1 can be set as full-wave or half-wave rectification.

[0032] Further, the spring can be set as a metal spring or a rubber product.

[0033] The number of the mass body is 2, including the movable armature 5, the mass body I8; the spring includes the spring I6, the spring II7; wherein the movable armature 5 is supported on the base 9 through the spring II7, and the...

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Abstract

The invention relates to an electromagnetic type chaos vibration exciter, and belongs to the technical field of vibration engineering equipment. The electromagnetic type chaos vibration exciter comprises a rectifying device, a switch, an iron core, coils, springs, n mass bodies and a base; more than one movable armature exists in the n mass bodies; after the switch is closed, alternating current forms pulsating current through the rectifying device, and through the coils, the iron core generates pulsating electromagnetic force to act on the movable armature and to drive the movable armature tovibrate; and the movable armature is suspended and / or supported on the base through the springs, and each of the n mass bodies is suspended and / or supported on the other mass body through the corresponding spring, thus an n-degree-of-freedom vibrating system is formed. The electromagnetic type chaos vibration exciter is simple in structure, easy to manufacture and high in efficiency, a frequencymultiplication component having relatively great energy is added on the basis of the dominant frequency a traditional electromagnetic type vibration exciter, and the total shock excitation energy is increased to some extent.

Description

technical field [0001] The invention relates to an electromagnetic chaos exciter, which belongs to the technical field of vibration engineering equipment. Background technique [0002] At present, the common electromagnetic vibration exciter is a single-mass vibration system with a single excitation frequency. With the development of modern vibration engineering technology, higher requirements are put forward for the excitation effect, efficiency and energy consumption of vibration exciters. The existing single-frequency electromagnetic vibration exciter cannot achieve a better excitation effect in vibration engineering, and has low excitation efficiency and high energy consumption. Contents of the invention [0003] In order to meet the requirements of today's vibration engineering technology and improve the excitation efficiency, the invention provides an electromagnetic chaos exciter. [0004] The technical solution of the present invention is: an electromagnetic chao...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B06B1/04
CPCB06B1/045
Inventor 刘晓星
Owner KUNMING UNIV OF SCI & TECH