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Sharkskin-imitating 3D printing magnetofluid droplet generator and design method

A 3D printing and ferrofluid technology, which is applied to 3D object support structures, electromechanical devices, electrical components, etc., can solve the problems of large amount of ferrofluid, low power generation efficiency, and expensive equipment, and achieves less ferrofluid and high power generation efficiency. , the effect of reducing movement resistance

Active Publication Date: 2021-07-02
HUAZHONG UNIV OF SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] Aiming at the problems existing in the prior art, the present invention provides a shark-skin-like 3D printed ferrofluid droplet generator and a design method, aiming to solve the problem of the large amount of ferrofluid in the ferrofluid generator caused by the adhesion of ferrofluid on the solid surface , low power generation efficiency, and expensive devices

Method used

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  • Sharkskin-imitating 3D printing magnetofluid droplet generator and design method
  • Sharkskin-imitating 3D printing magnetofluid droplet generator and design method

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preparation example Construction

[0051] Such as figure 1 As shown, the preparation method of the imitation shark skin 3D printing ferrofluid droplet generator provided by the embodiment of the present invention includes the following steps:

[0052] S101, design shark skin models with different parameters through software, use photocurable resin as raw material, and prepare a shark-like 3D printing device with drag reduction function through photocurable printing technology;

[0053] S102, washing the surface of the prepared 3D printing device with ethanol to remove the photocurable resin remaining in the shark skin groove, and then drying in an oven;

[0054] S103, treat the cleaned sample with Plasma hydrophilic treatment technology for 15-60 minutes, take it out and cool it, and obtain a shark skin surface with low adhesion and drag reduction function;

[0055] S104, in turn copper coil and Nd 2 Fe 14 The B magnetic block is integrated into the interior of the 3D printing device, and then the bottom is ...

Embodiment 1

[0071] The preparation method of the imitation shark skin 3D printing ferrofluid droplet generator provided by the embodiment of the present invention includes:

[0072] (1) Shark skin with a groove width of 0.5mm, a groove height of 1mm, a scale area ratio of 0.57, a scale inclination angle of 30 degrees, a horizontal distribution distance of 1mm and a vertical distribution distance of 1mm is designed by software Model, and then use photocurable resin as raw material to prepare a shark-like 3D printing device with drag reduction function through photocurable printing technology.

[0073] (2) Wash the surface of the prepared 3D printing device with ethanol to remove the photocurable resin remaining in the grooves of the shark skin, and then dry it in an oven to remove the ethanol. The cleaned sample was treated with Plasma hydrophilic treatment technology for 15 minutes, taken out and cooled, and a shark skin surface with low adhesion and drag reduction function was obtained. ...

Embodiment 2

[0078] The preparation method of the imitation shark skin 3D printing ferrofluid droplet generator provided by the embodiment of the present invention includes:

[0079] (1) Design a shark skin model with a groove width of 1mm, groove height of 2mm, scale area ratio of 1, scale inclination angle of 0 degrees, scale horizontal distribution distance of 2mm and vertical distance distribution distance of 2mm by software , and then use photocurable resin as raw material to prepare a shark-like 3D printing device with drag reduction function through photocurable printing technology.

[0080] (2) Wash the surface of the prepared 3D printing device with ethanol to remove the photocurable resin remaining in the grooves of the shark skin, and then dry it in an oven to remove the ethanol. The cleaned samples were treated with Plasma hydrophilic treatment technology for 45 minutes, taken out and cooled, and a shark skin surface with low adhesion and drag reduction functions was obtained. ...

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Abstract

The invention belongs to the technical field of magnetofluid generators, and discloses a sharkskin-imitating 3D printing magnetofluid droplet generator and a preparation method. A sharkskin model is designed, and a sharkskin-imitating 3D printing device is prepared through a photocuring printing technology; the surface of the prepared 3D printing device is washed with ethyl alcohol and dried; hydrophilic treatment is carried out on the cleaned sample, and cooling is conducted to obtain a sharkskin surface; a copper coil and an Nd2Fe14B magnetic block are integrated into the 3D printing device in sequence, the bottom is sealed through Ecoflex, and the sharkskin-imitating 3D printing magnetofluid droplet generator is obtained; and the four same 3D printing magnetofluid droplet generators are connected in series, and a Zigzag stepped magnetofluid nano generator is obtained. The surface of a magnetofluid generator is based on the low adhesion and resistance reduction capacity of a sharkskin structure, the adhesion force and sliding resistance of magnetofluid droplets on the solid surface can be reduced, and the power generation efficiency of the magnetofluid generator is improved.

Description

technical field [0001] The invention belongs to the technical field of magnetic fluid generators, and in particular relates to a shark-skin-like 3D printed magnetic fluid droplet generator and a design method. Background technique [0002] In recent years, the conversion of mechanical energy into electrical energy is undoubtedly a promising sustainable energy source and has attracted extensive attention. Among various conversion methods, the magnetoelectric conversion method has been proven to be very effective and has been stably applied in our daily life for more than 150 years. However, most of the current magnetoelectric conversion devices are hard and heavy devices, which are difficult to carry and have very limited applications, such as most of the applications are limited to large power plants. In addition, the current fabrication methods of magnetoelectric conversion devices are complex and require expensive materials such as metal iron, resulting in high production...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C64/129B29C64/35B33Y10/00B33Y40/00B33Y40/20H02K44/08
CPCB29C64/129B29C64/35B33Y10/00B33Y40/20B33Y40/00H02K44/085
Inventor 苏彬黄剑瑜文世峰
Owner HUAZHONG UNIV OF SCI & TECH
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