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Passive continuous variable damping device

A damping device, a passive technology, applied in the field of mechanical systems and devices that produce changes, can solve problems such as failure to reach the use state

Inactive Publication Date: 2010-12-15
宋行智
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the traditional shock absorber, its damping is fixed or its segment is fixed, and it will not change continuously with the compression state of the shock absorber. Therefore, under any circumstances, its damping characteristics are fixed, and the strength of its damping and amplitude cannot be changed. , so the ideal use state cannot be achieved

Method used

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Examples

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Embodiment Construction

[0034] See first figure 2 , a preferred embodiment of the continuously variable damping device provided by the present invention, this embodiment is used in a mechanical device that uses compressible fluid to produce a damping effect, such as a speaker unit.

[0035] The variable damping device includes: a box body 10 and a predetermined number of elongated slots 15 . The box body 10 has an appropriate volume and can be in the form of a tubular body, a cone-shaped body or a box body with at least five sides. The present embodiment takes a tubular body as an example. The front end 12 of the box body 10 is open, and the rear end 13 is closed, and the inner space 14 forms a long path, such as image 3 Marked S shows. At least one elongated slot 15 is arranged on the peripheral surface of the box body 10 to communicate the inside of the box body with the outside world.

[0036] see image 3 , the speaker unit 20 is mounted on the front end of the box body 10, and the box body...

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Abstract

A continuously variable damping device of passive type is prepared as setting preset numbers of long open slots on flowing path of fluids at mechanical device to let fluid flow through those open slots, generating different flow rate at open slots in flowing course of fluid so as to make fluid damping be varied continuously in following to fluid flowing.

Description

technical field [0001] The present invention relates to the technical field of using fluid to generate damping in mechanical equipment. Specifically, it refers to a device for continuously changing the damping of fluid, so that the damping of mechanical equipment can be changed instead of fixed. The invention can be applied to mechanical systems using compressible fluid and incompressible fluid as damping medium. Background technique [0002] In physical phenomena, as long as a device has elasticity and mass, it has a natural frequency. [0003] Taking the speaker unit as an example, its mechanical structure uses compressible fluid (that is, air) as the damping medium. The speaker unit is a composite of mass, elasticity and damping. When the speaker unit sends sound waves, it uses its The elastic action of the suspension system produces vibrations. When the loudspeaker is installed in the sound box, there is an air mass in the sound box. When the speaker unit agitates the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04R1/28F16F9/00
Inventor 宋行智
Owner 宋行智