A kind of flexible fabric switchTechnical field
This utility model relates to wearable electronic field, is specifically related to a kind of flexibility that can be applicable to intelligent textileFabric switch.
Background technology
At present, for being mostly the switch of hard for the switch of switching, it is hard by metal or plastics etc. for the position of pressingMaterial is made, and therefore can have stiff touching sense when touching, and when applying in various different people's livelihood purposes, specialNot being to be applied to medicated clothing or during electronic product that other soft materials are made, this hard switch can produce lofty hard feelingAnd gradually cannot meet the demand of people.Therefore, in order to meet demand, people gradually develop to be had the fabric of flexible touch and opensClosing, these fabric switch can apply to wearable electronic and intelligent textile.At present, up and down the two of these fabric switchMostly electrode is to realize conducting with line or line with point, point by the way of linear contact lay by point.The anti-shear ability of this structure is poor,Once dislocation will be lost efficacy；And the life-span is extremely limited, as in the case of repeatedly bending and shearing, the life-span is by shorter.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of flexible fabric switch, and this is softProperty fabric switch simple in construction, can carry out face and face between upper conductive layer and lower conductiving layer contacts realization conducting, frivolous stable,Stability, fatigue durability are high, and bend resistance, anti-shear ability are strong.
For solving the problems referred to above, the technical scheme that this utility model is used is as follows:
A kind of flexible fabric switch, including upper conductive layer and lower conductiving layer, sets between described upper conductive layer and lower conductiving layerFlexible sealing coat, described elastomeric isolation layer is provided with through hole；Conduction it is connected on described upper conductive layer and lower conductiving layerLine.
Further, described upper conductive layer and lower conductiving layer are made by conductive fabric or conducting polymer film.
Further, described conductive fabric is made up of the one in woven fabric, looped fabric, knotwork or non-weaving cloth.
Preferably, during described conductive fabric is silver-plated fiber fabric, Cu coated fibre fabric or nickel plated copper fabricKind.
Further, described conductive fabric is made into by conductive yarn；Or described conductive fabric is by conductive yarn and non-conductiveYarns interwoven becomes；Or described conductive fabric includes the layer of cloth being made into by non-conducting yarns and is coated on the conduction on the upside of described layer of clothCoating is made.
As this utility model preferred embodiment, described elastic fabric layer is by solid slab, thin film or fabricOne is made；Described solid slab is preferably the sheet material being made up of silica gel or polyurethane；Described fabric is preferably native celluloseThe fabric that fiber or staple fibre are made.
Preferably, described elastomeric isolation layer is the elastic fabric processed by polyurethane filament.
Further, bondd by adhesive layer respectively between described upper conductive layer, lower conductiving layer and elastomeric isolation layer, describedAdhesive layer is the one in heat molten type TPU membrane, acrylic adhesives, phenolic adhesive or epoxy adhesive.
As this utility model preferred embodiment, the connected mode of described upper conductive layer, lower conductiving layer and conductor wireFor welding, bonding, sewing, hot pressing or embroidery.
Preferably, described conductor wire is silver plated fiber conductive yarn.
Compared to existing technology, the beneficial effects of the utility model are:
Flexible fabric described in the utility model switch in the case of pressure on conductive layer and lower conductiving layer through elastic everyThe through hole of absciss layer carries out face and turns on the realization that contacts in face, and such face contacts the stability and endurance that flexible fabric is switchedPerformance is improved, and improves bend resistance ability and the anti-shear ability of flexible fabric switch to a certain extent.It addition,Flexible fabric of the present utility model switch can by change the thickness of elastomeric isolation layer or elastic modelling quantity, upper conductive layer and underThe size of the thickness of conductive layer or elastic modelling quantity and through hole regulates operating pressure.This utility model simple in construction, frivolousStable, can be well embedded in taking in textile, and the conducting pressure of flexible fabric switch is adjustable, change-over circuit letterThe wearable intelligent textiles such as list, can be used for intelligent shoe and shoe pad, intelligence socks, Intelligent cushion, intelligent clothing.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view of flexible fabric described in the utility model switch；
Fig. 2 is the structural representation of flexible fabric described in the utility model switch；
Fig. 3 is the state diagram by ambient pressure of the flexible fabric described in the utility model switch；
Fig. 4 is the structural representation of elastomeric isolation layer numerous embodiments described in the utility model；
Fig. 5 is the pressure graph of a relation with resistance of flexible fabric described in the utility model switch；
Wherein, 1, upper conductive layer；2, elastomeric isolation layer；3, lower conductiving layer.
Detailed description of the invention
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
As it is shown in figure 1, be a kind of flexible fabric switch described in the utility model, including upper conductive layer and lower conductiving layer,Being provided with elastomeric isolation layer between upper conductive layer and lower conductiving layer, this elastomeric isolation layer is provided with through hole；Upper conductive layer and lower conductionConductor wire it is connected on Ceng.This utility model uses three-decker, and upper conductive layer and lower conductiving layer can pass through elastomeric isolationThe through hole of layer carries out contacting thus realizing turning on of face and face so that bend resistance ability of the present utility model and anti-shear ability obtainTo greatly improving, extend the service life of flexible fabric switch to a certain extent.Specifically, as in figure 2 it is shown, work as and do not haveWhen flexible fabric switch applies external pressure, mutual due to the existence of elastomeric isolation layer between upper conductive layer and lower conductiving layerSeparate；As it is shown on figure 3, when the external pressure applied is more than or equal to conducting pressure, upper conductive layer passes through with lower conductiving layerThe through hole of elastomeric isolation layer contacts with each other thus turns on；After pressure is removed, upper conductive layer mutually resets with lower conductiving layer, flexibleFabric switch open circuit.The thickness of elastomeric isolation layer is the least or elastic modelling quantity is the least, and conducting pressure is the least；Upper conductive layer and under leadThe thickness of electric layer is the least or elastic modelling quantity is the least, and conducting pressure is the least；The size of through hole is the biggest, and conducting pressure is the least.Thus,Flexible fabric of the present utility model switch can by change the thickness of elastomeric isolation layer or elastic modelling quantity, upper conductive layer and underThe size of the thickness of conductive layer or elastic modelling quantity and through hole regulates operating pressure.As it is shown in figure 5, switch for flexible fabricPressure during suffered sinusoidal wave pulse pressure-loaded and the graph of relation of resistance, as seen from the figure, flexible fabric switch is alternatelyBe in open circuit and conducting state.
Upper conductive layer and lower conductiving layer can select identical or different conductive fabric or conducting polymer film to make.ItsIn, conductive fabric is made up of the one in woven fabric, looped fabric, knotwork or non-weaving cloth.Further, conductive fabric is platingOne in silver fabric, Cu coated fibre fabric or nickel plated copper fabric.Specifically, conductive fabric is knitted by conductive yarnBecome；Conductive fabric is woven into by conductive yarn and non-conducting yarns；Conductive fabric include the layer of cloth that is made into by non-conducting yarns andIt is coated on the conductive coating on the upside of layer of cloth to make.
Elastic fabric layer is made up of the one in solid slab, thin film or fabric；Solid slab is preferably by silica gel or poly-The sheet material that urethane is made；The fabric that fabric preferably native cellulose fibre or staple fibre are made.Preferably, elastomeric isolation layerFor the elastic fabric processed by polyurethane filament.As shown in Figure 4, the through hole of elastomeric isolation layer can be one or more,Being shaped as of through hole is square, circular, rectangle, ellipse etc..
Further, being bondd by adhesive layer respectively between upper conductive layer, lower conductiving layer and elastomeric isolation layer, adhesive layer isOne in heat molten type TPU membrane, acrylic adhesives, phenolic adhesive or epoxy adhesive.Upper conductive layer, lower conductionLayer is preferably welding, bonding, sewing, hot pressing or embroidery with the connected mode of conductor wire.Conductor wire is preferably silver plated fiber conductionYarn.
The preparation method of above-mentioned flexible fabric switch comprises the following steps:
A) elastomeric isolation layer is combined with adhesive layer；
B) with icking tool cutting or stamping through hole on the elastomeric isolation layer after compound；
C) upper conductive layer is connected conductor wire respectively with lower conductiving layer；
D) elastomeric isolation layer is combined by adhesive layer with upper conductive layer and lower conductiving layer respectively.
Embodiment 1:
A kind of flexible fabric switch, including upper conductive layer, lower conductiving layer be arranged between upper conductive layer and lower conductiving layerElastomeric isolation layer, be composited by adhesive layer.Upper conductive layer and lower conductiving layer select silver plated fiber conductive fabric；Elastic everyAbsciss layer selects to be weaved cotton cloth by the warp knit elastic needle of polyurethane filament weaving, is cut with single circle and leads in the middle of elastomeric isolation layerHole；Adhesive layer selects heat molten type TPU membrane.
The preparation method of the flexible fabric switch in the present embodiment comprises the following steps:
A) being weaved cotton cloth by elastic needle and heat molten type TPU membrane processes compoiste adhering by hot pressing, centre is stretch knit
Cloth, is heat molten type TPU membrane up and down, makes elastomeric isolation layer；
B) the elastomeric isolation layer after being combined uses laser cutting machine to cut out single manhole；
C) upper conductive layer, lower conductiving layer use the method for sewing to connect upper silver plated fiber conductor wire respectively；
D) elastomeric isolation layer and upper conductive layer, lower conductiving layer are processed compoiste adhering by hot pressing.
Embodiment 2:
A kind of flexible fabric switch, including upper conductive layer, lower conductiving layer be arranged between upper conductive layer and lower conductiving layerElastomeric isolation layer, be composited by adhesive layer.Upper conductive layer and lower conductiving layer select Cu coated fibre conductive fabric；Elastic everyAbsciss layer is made up of silica gel, is cut with three circular through holes in the middle of elastomeric isolation layer；Adhesive layer selects acrylic adhesives.
The preparation method of the flexible fabric switch in the present embodiment comprises the following steps:
A) by elastomeric isolation layer and acrylic adhesives；
B) the elastomeric isolation layer after being combined uses laser cutting machine to cut out three circular through holes；
C) upper conductive layer, lower conductiving layer use the method for hot pressing to connect upper silver plated fiber conductor wire respectively；
D) elastomeric isolation layer and upper conductive layer, lower conductiving layer are processed compoiste adhering by hot pressing.
Embodiment 3:
A kind of flexible fabric switch, including upper conductive layer, lower conductiving layer be arranged between upper conductive layer and lower conductiving layerElastomeric isolation layer, be composited by adhesive layer.Upper conductive layer and lower conductiving layer select nickel plated copper fiber conductive fabric；ElasticSealing coat is made up of thin film, is cut with single square through hole in the middle of elastomeric isolation layer；Adhesive layer selects phenolic adhesive.
The preparation method of the flexible fabric switch in the present embodiment comprises the following steps:
A) by thin film and phenolic adhesive compoiste adhering, elastomeric isolation layer is made；
B) the elastomeric isolation layer after being combined uses laser cutting machine to cut out single square through hole；
C) upper conductive layer, lower conductiving layer use the method for embroidery to connect upper silver plated fiber conductor wire respectively；
D) elastomeric isolation layer and upper conductive layer, lower conductiving layer are processed compoiste adhering by hot pressing.
Above-mentioned embodiment is only preferred implementation of the present utility model, it is impossible to limit this utility model protection with thisScope, the change of any unsubstantiality that those skilled in the art is done on the basis of this utility model and replacing all belongs toIn this utility model scope required for protection.