Weaving as a Tool for Electrotextile Design

Parkova, Inese

doi:10.7250/mstct.2013.007

Cited by 2 publications

(2 citation statements)

References 7 publications

(5 reference statements)

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“…In woven fabrics, conductive yarns are used as conductors of electrical signals that can be woven into the fabric structure, either alone or in combination with non-conducting filaments in the direction of the warp, the weft or both. When designing electrically conductive woven fabric, it is possible to vary the fabric weaving pattern, weft/warp density and placement of electrically conductive yarns [7].…”

Section: Electrically Conductive Textilesmentioning

confidence: 99%

Woven Textile Pressure Switch

Balgale

Baltiņa

2020

KEM

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In this paper has shown that the three-dimensional hollow weaving technique enables to produce a textile pressure sensor in one continuous process. Based on the multilayer fabric principle, the hollow woven fabrics can be created by connecting adjacent layers of the fabrics according to certain rules. The appropriate fabric structure has been selected and the three-layer weaving technique was used to make the textile pressure switch. The fabric structure is selected to ensure that the top and bottom layers are kept at a distance from each other. The electrically conductive tracks were embedded in the hollow structure of the fabric in bottom and middle layers. Three conditions must be fulfilled in order to create the textile switch: a) the fabric in normal condition keeps the shape required, i.e. the conductive elements are physically separated from each other; b) when the fabric is pressed, conductive elements are in contact, i.e. the switch is now in an electrically on state; c) after the pressure has been removed the fabric returns to its original position, i.e. switch is in an electrically off state. The behavior of the electrically conductive yarn and conductive tracks were tested in various ways. The stainless steel yarn woven in particular way can be used to create woven conductive tracks. Example of application: the pressure sensitive woven rug, the whole area or part of which acts as the pressure sensor or simple switch. The pressure switch in the floor coverings can turn on alarm systems or indicator lamps in the floor or wall coverings for guidance systems in public buildings.

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Section: Electrically Conductive Textilesmentioning

confidence: 99%

Woven Textile Pressure Switch

Balgale

Baltiņa

2020

KEM

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“…To detect and transmit the signal, the liquid has to create an electrical conductive connexion between the two conductive yarns. The signal depends on a lot of parameters : the distance between the two conductive yarns, their chemical and physical properties [5], the textile structure [6] and the liquid properties like its ionic conductivity and its surface tension [7,8].…”

Section: Introductionmentioning

confidence: 99%

Development of Filled Immiscible Polymers Blend Monofilaments for Water Detection in Composite

Regnier

Campagne

Devaux

et al. 2022

SSP

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In order to avoid environmental pollution by effluents, the incorporation of electrical conductive yarns in a waterproof membrane allows detecting a leak or crack on industrial concrete structure. The membrane is made of composite materials: a glass textile structure equipped with the detector yarns and molded in an epoxy resin. The liquid’s detection and the data’s transmission depend on the yarn’s conductivity variation and its chemical and physical properties. This study aims to develop a water detector monofilament from conductive polymer composites (CPC): an immiscible polymers blend (polyamide 6.6/elastomer) filled with carbon nanotubes (CNT). The addition of elastomer in the CPC yarn is important to withstand the mechanical deformation of the resin structure without breaking. The morphology of the immiscible polymers blend and the localization of the CNT influence the electrical conductivity of the yarn and thus, its property of water detection. Two principles of water detection are investigated with this blend: the short circuit and the absorption. For the short circuit, the presence of liquid is detected when the liquid creates a conductive path between two yarns in parallel. While, the absorption principle is based on the conductivity variation with the yarn’s swelling in contact with water.

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Weaving as a Tool for Electrotextile Design

Cited by 2 publications

References 7 publications

Woven Textile Pressure Switch

Woven Textile Pressure Switch

Development of Filled Immiscible Polymers Blend Monofilaments for Water Detection in Composite

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