A vibration transport device based on ultrasonic simulation of microgravity environment

By using a vibratory transport trough driven by a dielectric elastomer actuator and an ultrasonic simulation of a microgravity environment, the problem of easy clogging in the weathering layer transport system was solved, achieving efficient and low-power dust transport, which is suitable for space applications.

CN121225211BActive Publication Date: 2026-07-21HARBIN INST OF TECH
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Patent Information

Application Number
CN202511667779.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-11-14
Publication Date
2026-07-21
Estimated Expiration
2045-11-14

AI Technical Summary

Technical Problem

Existing weathering layer transport systems are prone to dust blockage in mechanically driven systems, and gas transport systems require complex mechanical drives and pumps to maintain gas flow. Magnetic systems have limited material selection.

Method used

A dielectric elastomer actuator is used to drive a vibratory transport trough. By applying an alternating sinusoidal high voltage, the dielectric elastomer actuator is made to reciprocate and extend. Combined with an ultrasonic system, ultrasonic waves are emitted into the vibratory transport trough to simulate a microgravity environment and achieve the vibratory transport of dust particles.

Benefits of technology

It achieves efficient and low-power dust transport without mechanical drive, reduces dust pollution, is suitable for a wide range of particle transport applications in space, and features high reliability and simple configuration.

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Abstract

The application discloses a kind of vibration transport devices based on ultrasonic simulation microgravity environment, it is related to dust management technical field, it is solved that the mechanical drive form of existing weathering layer transport system is easily blocked by dust problem.The vibration generating device of the present application is arranged on the fixed base, and the vibration transport groove is arranged on the upper end of the vibration generating device; Microstructure is equidistantly arranged on the vibration transport groove; Ultrasonic system is arranged above the vibration transport groove; The ultrasonic system includes a plurality of ultrasonic vibrator and ultrasonic vibration plate; Ultrasonic vibrator and ultrasonic vibration plate are connected, and ultrasonic vibration plate is arranged in parallel above the vibration transport groove, emits ultrasonic wave into the vibration transport groove, forms standing field acoustic wave, simulates microgravity environment. Dielectric elastomer actuator is used as driving component, and the dielectric elastomer actuator is subjected to reciprocating extension and contraction movement by applying alternating sine wave high voltage, the vibration transport groove is driven to vibrate, and the transport of dust particles on the vibration transport groove is realized.
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