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Full-deep-sea microminiature waveform underwater propeller and driving method thereof

A thruster and micro-miniature technology, applied in the direction of non-rotating propulsion components, etc., can solve the problems of complex control and large structure of the bionic system, and achieve the effect of simple control mode, simple structure, and easy miniaturization

Active Publication Date: 2021-10-22
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing bionic underwater thruster technology is bigger than bionic fish, which is driven by a multi-joint series tail swing device. The bionic system of this driving method has a large structure and complicated control

Method used

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  • Full-deep-sea microminiature waveform underwater propeller and driving method thereof
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  • Full-deep-sea microminiature waveform underwater propeller and driving method thereof

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Embodiment Construction

[0042] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:

[0043] This invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, components are exaggerated for clarity.

[0044] It should be understood that although the terms first, second, third etc. may be used herein to describe various elements, components and / or sections, these elements, components and / or sections should not be limited by these terms. These terms are only used to distinguish one element, component and / or section from another. Thus, a first element, component and / or section discussed below could be termed a second element, component or section without departing from the teachings o...

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Abstract

The invention discloses a full-deep-sea microminiature waveform underwater propeller and a driving method thereof, the waveform underwater propeller comprises 4N piezoelectric bimorphs, 4N-1 H-shaped connecting pieces and two U-shaped connecting pieces, and N is a natural number greater than or equal to 1. During working, two groups of electric signals with a phase difference of pi / 2 are adopted to excite each piezoelectric bimorph respectively, so that two groups of standing waves with a phase difference of 90 degrees in space and time are generated on the surface of the waveform propeller, and the two groups of standing waves are superposed to form a column of traveling waves to form waveform propulsion. The full-deep-sea microminiature waveform underwater propeller is simple in structure, easy to realize microminiaturization and simple and convenient to control.

Description

technical field [0001] The invention relates to the field of underwater propellers, in particular to a deep-sea miniature corrugated underwater propeller and a driving method thereof. Background technique [0002] The ocean plays a pivotal role in my country's national defense construction and economic development. Due to the needs of marine resources exploration and national defense construction, underwater propulsion systems have been greatly developed, especially bionic underwater propellers. Bionic underwater propulsion can become a tool for information acquisition and continuous patrolling. The existing bionic underwater thruster technology is bigger than bionic fish, which is driven by a multi-joint series tail swing device. The bionic system of this driving method has a large structure and complicated control. [0003] Piezoelectric bimorphs have the advantages of simple structure, light weight, high bandwidth, and larger output displacement than ordinary piezoelect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63H1/37
CPCB63H1/37
Inventor 许嘉嘉金家楣刘瑞王亮
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS