Low-temperature plasma electrical source for loomage surface modification and control method thereof
A low-temperature plasma and surface modification technology, which is applied in the direction of plasma and electrical components, can solve the problems of uneven discharge form, perforation and burning of filaments, so as to avoid perforation and damage, improve surface performance, and clean performance effect
Active Publication Date: 2011-11-09
ZHEJIANG UNIV
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Problems solved by technology
In fact, even if a uniform discharge is achieved under certain conditions, if the control method cannot cope with the complex situations in the fabric processing process, the discharge form will easily transition to an uneven filament discharge form due to external influences, resulting in perforation and combustion, which limits its industrial application
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[0018] The low-temperature plasma power supply generates high frequency and high voltage to act on the discharge electrodes of the fabric surface modification device, and the gas between the electrodes discharges to generate plasma, which acts on the surface of the fabric, thereby achieving the purpose of fabric surface modification. Therefore, the modification of fabric surface by low-temperature plasma power source involves the interdisciplinary fields of power source technology, material science and gas discharge plasma physics. The process of material modification by discharge plasma is a nonlinear time-varying load for the power source, so the power source Control methods are particularly important for fabric surface modification.
[0019] The purpose and effects of the present invention will become more apparent by referring to the accompanying drawings in detail of the present invention.
[0020] Such as figure 1 As shown, the low-temperature plasma power supply for fa...
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The invention discloses a low temperature plasma power source used for texture surface modification and a control method thereof; wherein, the low temperature plasma power source used for texture surface modification is mainly composed by a rectification circuit, a direct current bus, a full bridge inverter circuit, a transformer booster, a texture surface modification device, an electric field measurement module, an electric field amplitude stability control module and a texture surface modification linear power-adjusting control module. The low temperature plasma power source of the invention generates stable, uniform and soft low temperature plasma to process texture at atmospheric pressure, avoids texture punching and damaging caused by discharging by uneven fine wire low temperature plasma, obviously improves surface moisture thereof while texture matrix performance is not destroyed.
Description
technical field [0001] The invention relates to a low-temperature plasma power supply and a control method thereof, in particular to a low-temperature plasma power supply for fabric surface modification and a control method thereof. technical background [0002] The surface modification of fabrics by low-temperature plasma is a clean, energy-saving, fast and widely applicable new technology. By etching, cross-linking and chemically modifying the surface of the fabric, it has the advantages of improving the spinnability of the fabric, changing the free performance and wetting performance of the fabric surface, improving the bonding strength of the composite, and improving the dyeing performance and effect. The key technology is that the atmospheric-pressure low-temperature plasma power supply can produce a stable, uniform and soft discharge form. Compared with other discharge forms, the stable, uniform and soft discharge will not cause local overheating to perforate or burn ...
Claims
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IPC IPC(8): H05H1/24
Inventor 何湘宁刘军邓焰张仲超
Owner ZHEJIANG UNIV