Closed-loop control method for electrospining direct writing technology

A closed-loop control and electrospinning technology, which is applied in filament generation, textile and papermaking, filament/thread forming, etc., can solve the problems of difficult closed-loop control of electrospinning direct writing process

Inactive Publication Date: 2015-01-28
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Aiming at the defects of the prior art, the purpose of the present invention is to provide a closed-loop control method for the electrospinning direct writing process, wherein by improving its key process steps such as feedback parameter category, parameter feedback mode, control mode, etc., it is different from the existing Compared with the technology, it can effectively solve the problem of difficult closed-loop control of the electrospinning direct writing process, and achieve the technical effect of simple control method and high control accuracy

Method used

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  • Closed-loop control method for electrospining direct writing technology
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  • Closed-loop control method for electrospining direct writing technology

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Embodiment 1

[0029] Such as figure 1As shown, the closed-loop control device of the electrospinning direct writing process includes: a flow pump 1, a catheter 2, a metal needle 3, a high-voltage generator 4, a light source 5, a collecting plate 6, a motion platform 7, a control computer 8, and a high-speed camera 9. Among them, the flow pump 1 is equipped with a syringe, and is connected to the metal needle 3 through the conduit 2, so that the printing liquid can be supplied according to the set flow rate; the positive pole of the high-voltage generator 4 is connected to the metal needle 3, and the negative pole is connected to the collecting plate 6, so that an electric field is generated between the two poles to cause jetting. On the other hand, the control cable is connected to the control computer 8 to control the voltage loading; The motion of the motion platform 7 is controlled; the light source 5 is arranged on one side of the nozzle, and the high-speed camera 9 is installed on the ...

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Abstract

The invention discloses a closed-loop control method for electrospining direct writing technology, according to the fluid change at actual spraying time, the liquid at the nozzle is divided into taylor cone and jet flow for control, the high speed camera is used for detecting the form, the end information is directly fed back to the controller for adjusting and controlling the substrate movement speed and spraying voltage impacting the jet flow and taylor cone, having closed-loop control to the electrospining direct writing technology, controlling the fiber morphology and diameter and preparing high precision array pattern.

Description

technical field [0001] The invention belongs to the field of electrojet printing in electronic manufacturing, and more specifically relates to a closed-loop control method for an electrospinning direct writing process. Background technique [0002] With the rise of electronic manufacturing and micro-nano manufacturing, more and more new materials are used in electronic devices, medicine and other fields. Functional polymer materials have shown great application potential due to their special physical and chemical properties. However, because it is different from traditional silicon-based materials, traditional micro-nano manufacturing processes, such as photolithography and micro-casting, cannot meet the requirements of polymer devices. [0003] Jet printing technology, as a solubilization manufacturing process, has become a research hotspot because it is suitable for the characteristics of easy solubilization of polymers. The traditional print-on-demand (DOD) method uses p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J29/393
CPCD01D5/0061D01D1/09D01D11/00
Inventor 布宁斌尹周平黄永安丁亚江王小梅文洲
Owner HUAZHONG UNIV OF SCI & TECH
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