KR101588893B1 - Electric conduction woven fabrics and manufacturing method threrof - Google Patents

Abstract

TECHNICAL FIELD The present invention relates to a conductive fabric and a method of manufacturing the conductive fabric, and more particularly, to a conductive fabric that can secure stable insulation even when the conductive wire is weighed with a fiber yarn and / .

The conductive woven fabric according to the present invention is woven with a woven fabric body by weaving and / or tilting the woven fabric, wherein at least one strand of the conductive woven fabric is woven with weft yarns and / or warp yarns of the woven fabric body, And the protective yarns are formed into a bundle and are woven into the fiber yarn.

According to this, even when the conductive wire material is weighed with the fiber yarn, the conductive wire material is not directly rubbed with the fiber yarn interlaced with each other by the protection yarn, so that stable insulation can be ensured, no damage or abrasion is caused, And safety are improved.

Conductive fabrics, protective clothing, warriors, weft, warp

Description

TECHNICAL FIELD [0001] The present invention relates to a conductive fabric,

The present invention relates to a conductive fabric and a method of manufacturing the same. More particularly, the present invention relates to a conductive fabric and a conductive fabric that can secure stable insulation even when the conductive wire is woven together with a fiber and / And a manufacturing method thereof.

In general, fabrics such as knitted fabrics and fabrics used in the manufacture of clothes and ornaments are produced by natural fibers or synthetic fibers, and they have various properties and inherent properties and characteristics. Generally, however, Elasticity, and the like so as to perform a certain function in a finished state with clothes or the like.

However, as the industrial society becomes more sophisticated and advanced, electric current can be supplied in addition to the warmth, absorbency and stretchability, so that various electronic devices can be conveniently installed on the clothes and the clothes themselves can be exothermic, We are expecting smart clothing that can be worn regardless of season even though it is thin.

Accordingly, in the textile field, various efforts and R & D activities are carried out to satisfy such social demands and to lead the future textile field. As a result of this research, Apparatuses with electronic devices have been developed to facilitate the use of devices.

The heat generating garment is constructed such that the surface heat generating element constituted by the heating wire such as a carbon fiber yarn or a copper wire is stitched on a garment or provided in a separate bag and the heat generating effect is performed by using the resistance heat by the electric current supplied from the power source, Since the heating element does not have elasticity, it can be installed only on the back part or the back part of the human body which is not relatively stretchable. As a result, it can not be applied to a wet suit, a work clothes, a combat suit, a sportswear, etc., which are not required to have sufficient durability because they can be applied only to specific clothes such as a fishing vest which is not required to be relatively active, In fact.

In addition, an electronic device-attached type garment is provided with an electronic device, an operation button, and a power source portion in a garment, and is provided with a cable-type conductive wire for current and electric signal transmission with the electronic device. However, since such an electronic device-attached garment has a conductive wire inside the garment, the wearing feeling of the garment is poor, and since the conductive wire and the operation button provided inside the garment must be removed at the time of washing, Since the conductive wires provided on the clothes do not have elasticity, sufficient activity and durability can not be ensured.

In addition, since the conventional smart clothes as described above are required to separately install the conductive wires for supplying power, they are faced with fundamental problems such as difficulty in manufacturing, poor wearing feeling, and lack of activity, State. In order to solve such a problem, there may be a method of weaving together the weft yarns or weft yarns at the time of weaving weave fabrics, which are the fabrics which form the clothes, but weaving them together with weaving or weaving There is a problem that the conductive line is easily damaged or broken.

In addition, when the wearer activates the fabric woven fabric including the conductive wire, the fabric is easily damaged while the tensile force is applied to the conductive wire bonded to the fiber yarn, and the insulating cover layer can not be stably insulated due to the damage of the insulating cover layer There is a problem that the risk of electric leakage and the reliability of the heat generating function or the operation of the electronic device are lowered.

Further, since the conductive wire is exposed to the surface of the fabric, there is a high possibility of damage and there is a problem that skin trouble is caused when the conductive wire comes into contact with the skin.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a conductive wire rod which can secure stable insulation even when woven with warp and / or bevel with fiber yarn, And it is an object of the present invention to provide a conductive fabric and a manufacturing method thereof.

Another object of the present invention is to provide a conductive fabric and a method for manufacturing the same, which can secure insulation and safety, and can be expanded and contracted with respect to a tensile force, thereby improving the feeling of wear and further improving durability.

In order to achieve the above object, the present invention provides a conductive fabric, wherein the fabric is woven with a woven fabric body by weaving and / or tilting the fabric, wherein at least one strand of the woven fabric is woven and / Wherein the conductive wire comprises at least one strand of protective yarns formed in a bundle and woven into the fiber yarn.

Here, the protective yarn may be composed of a fiber yarn having a diameter larger than the diameter of the conductive wire.

The protective sheet may be disposed in contact with the conductive wire, and may be configured to be selected from any one of the left-right direction, the up-down direction, and the up-down direction.

The conductive wire includes a center yarn positioned at an inner center thereof; And a conductive material wound on the outer circumferential surface of the core yarn in the form of a coil along the longitudinal direction.

The conductive wire is characterized by being stretchable.

Wherein the conductive wire comprises: a center yarn positioned at an inner center and composed of a stretchable wire; And a conductive material wound on the outer circumferential surface of the core yarn in the form of a coil along the longitudinal direction.

At this time, the conductive yarn is composed of a plurality of strands, and some of the strands are wound in a clockwise direction and the remaining strands are wound in a counterclockwise direction.

The conductive wire may further include an outer layer formed by winding a fiber yarn outside the conductive yarn.

The center yarns may be composed of a plurality of strands, and the conductive yarns may be staggered between the center yarns.

The conductive wire may be formed by cutting a conductive metal sheet, a fabric coated with a conductive material, a film coated with a conductive material, or a conductive polymer film to form a linear member.

The fabric body may be constituted by at least one auxiliary yarn among the auxiliary yarns consisting of a light emitting wire, an optical fiber, a shape memory alloy yarn, and a shape memory resin yarn, which are woven with warp and / or weft yarns.

The conductive wires may be arranged in a wave structure along the longitudinal direction and may be interlaced.

On the other hand, the protective yarn may be composed of a stretchable polymer yarn in which a hollow portion is formed.

Some of the fiber yarns supplied to the weft yarns and / or the warp yarns may be stretchable polymer yarns.

On the other hand, at least one of an arm velcro fastener having a plurality of hooks and a male hook fastener having a plurality of hooks is formed on the front surface and / or the rear surface of the fabric body, .

The male and female Velcro fasteners may be formed of conductive yarns and may be configured to be electrically connected to the conductive wires.

The female and male velcro fasteners may be formed by the conductive wires fed as weft yarns and / or warp yarns in the weaving process of the fabric.

In order to achieve the object of the present invention, there is provided a method of producing a fabric for weaving a fabric by supplying fiber yarns to weft yarns and weft yarns, wherein the weft yarns and / The conductive wire is supplied with at least one strand of protective yarns in a bundle.

At this time, the protective yarn can be performed by a fiber yarn having a diameter larger than the diameter of the conductive wire.

The protective yarns are folded so as to be in contact with the conductive wire and arranged in the left-right direction, the up-down direction, the up-and-down direction, and the up-and-down direction.

According to the conductive fabric of the present invention and the method of fabricating the same, the conductive wire can be prevented from being directly rubbed with the fiber yarn woven with each other, even when the conductive wire cloth is weaved with weft yarns and / So that no damage or abrasion is caused, and durability and safety are improved.

In addition, when the conductive wire material is configured to have elasticity, even if an external force is applied, it is expanded and contracted without being broken. Thus, the durability of the conductive wire material can be further improved, and when such a conductive fabric material is applied to fabrics such as clothes or jewelry, . Particularly, when the conductive cloth paper according to the present invention is used as a heating garment or a smart garment, the risk of electric leakage is reduced and the reliability of the heating function and the operation of the electronic device is remarkably improved. Since it is not exposed, skin trouble can be prevented.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to FIGS. 1 to 9B, wherein like reference numerals are used to designate like elements in FIGS. 1 to 9B. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

FIG. 2 is a perspective view for explaining a conductive fabric according to a first embodiment of the present invention. In the following description of the embodiment, Means a line arranged in the longitudinal direction of the inclined surface and the inclined surface means a line woven in a direction orthogonal to the inclined surface.

As shown in FIGS. 1 and 2, the conductive fabric 1 according to the present invention may be a natural fiber yarn or a synthetic fiber yarn, wherein the fiber yarn refers to an ordinary fiber yarn, and an actual yarn comprising a plurality of fine- And at least one strand 12 of conductive yarn 12 as weft yarns and / or warp yarns of the fabric body 11 is woven into the fabric body 11 by weaving the weft yarn 111 and the warp yarn 112, Weave and weave more.

At this time, the conductive wire 12 is characterized in that at least one strand of the protective yarns 13 is folded and formed into a bundle, and the bundle is supplied and woven.

On the other hand, the conductive wire 12 may be composed of a metal wire such as copper, silver, gold, stainless steel, etc., a fiber yarn formed by vapor deposition, coating or plating of a conductive material, a preform made of a conductive polymer, Respectively.

In addition, the conductive wire 12 may be formed by cutting a conductive metal thin plate, a fabric coated with a conductive material, a film coated with a conductive material, or a conductive polymer film so as to form a linear member. At this time, the cutting width is preferably about 10 to 100 mu m.

The conductive wire rod 12 may have a variety of wire materials having electrical conductivity and a thickness capable of being woven by a weaving machine without limitation, but in the present embodiment, copper wires having a diameter of 10/1000 mm To 40/1000 mm. An insulating coating layer having a thickness of about 0.1 to 1 mu m is formed in this copper wire.

The protection yarn 13 is characterized by being composed of a fiber yarn having a larger diameter than the diameter of the conductive wire 12. That is, the protective cloth 13 is formed by using a fabric having a denier of fiber yarn (a fiber diameter of 1 g when a fiber yarn having a length of 9000 m is 1 denier) larger than the diameter of the conductive wire 12.

Thus, the protective sheet 13 is made of a fiber yarn having a diameter equal to or larger than the thickness of the copper wire selected when the conductive wire 12 is composed of a single copper wire, and the conductive wire 12 is formed by weaving copper wire , A fiber yarn having a diameter equal to or more than the entire thickness of the bundle is used.

FIGS. 3A to 3C are views for explaining a protective cloth arrangement of the conductive fabric according to the first embodiment of the present invention. In FIG. 3, the protective cloth 13 is not specifically shown to be divided into weft yarns and warp yarns .

The protective yarns 13 are arranged in contact with the conductive wires 12 so as to be in close contact with the left and right sides of the conductive wires 12 as shown in Fig. When the pressing force is applied by the fiber yarn which is supplied as a weft yarn or a warp yarn in a staggered or wefted manner in a process of being bundled together with the conductive wire material 12, And is pressed against the outer circumferential surface. Accordingly, since the conductive wire rod 12 is not in direct contact with the fiber yarn, damage due to contact can be prevented in advance, and even if the fiber yarns 111 and 112 (weft and warp) The conductive wire rod 12 is protected from damage, short-circuit, and the like.

3B, the protective yarn 13 may be closely attached to the upper and lower sides of the conductive wire 12, or may be closely attached to the upper, lower, left, and right sides of the conductive wire 12, . ≪ / RTI > In addition, the arrangement direction and the number of the protective yarns 13 may be varied and applied. The arrangement of the protective yarns may vary depending on the weaving shape of the fabric, the weaving thickness, the purpose of use, The conductive wire member 12 is formed in a suitable shape that does not exert an external force in consideration of the type and shape of the fabric 1. [

FIG. 4 is a perspective view showing another example of the protective cloth applied to the conductive fabric according to the first embodiment of the present invention. As shown in FIG. 4, the protective cloth 13 has a hollow portion 131 formed therein.

Preferably, the protective cover 13 is made of a stretchable polymer so as to have elasticity. When the protector is formed of a flexible polymer yarn having a hollow portion 131, even if a pressing force is applied by the fiber yarns 111 and 112 interlaced with each other, the protective wire is contracted and expanded in the direction of the external force, And direct contact with the fiber yarn is blocked to prevent damage to the conductive wire rod.

Since the hollow part 131 formed on the protective cloth 13 forms an air chamber therein, it provides a buffer function to the fabric so that it absorbs the external force or shock when it is applied. In addition, the hollow portion 131 may perform a function of a thermal insulation room to exert a thermal insulation effect.

The conductive fabric 1 may further include an auxiliary yarn (not shown) for performing a light emitting action, a shape memory action, and a light transmission as the weft yarn 111 and / or the warp yarn 112. For example, the assistant yarn may include a light emitting line (not shown) configured to be lit by an applied power source. As the light emitting line, an organic EL (Electro Luminescence) or an inorganic EL (Electro Luminescence) can be used. In addition, the auxiliary yarn can be composed of an optical fiber, a shape memory alloy yarn, and a shape memory resin yarn, and the function of such assistant yarn is general, and a detailed description thereof will be omitted.

A method of manufacturing a conductive fabric according to a first embodiment of the present invention includes the steps of preparing a weft yarn 111 and a warp yarn 112 forming a fabric body 11, A weaving step of performing a weaving process using the prepared material, and a finishing step of performing a finishing operation on the conductive fabric woven by the weaving step.

The preparing step is a step of winding the fiber yarn used as the weft yarn 111 and the warp yarns 112 and the conductive wire 12 in a feeding roll (not shown in the drawing or failing to wind the yarn or a carrier) (Not shown) provided on the yarn feeding side of the weaving machine to match the weave shape.

The weaving step is performed automatically according to the operation of the loom. The fiber yarn wound on the supply roll is pulled and loosened to form the surface fabric body 11 on the surface. At this time, besides the fiber yarn supplied to the weft yarns and the weft yarns, Or at least one strand of conductive wire 12 as a warp yarn. The conductive wire rod 12 and the protective wire 13 form a bundle when the conductive wire rod 12 is supplied in such a manner that it is tangent to the left, right, up and down direction, The weft yarns or the warp yarns 111 and 112 are not directly contacted with the conductive wire 12 but are stuck together with the protective yarn 13 disposed adjacent thereto.

The protection yarn 13 is formed to have a larger diameter than the conductive wire member 12 so that the weft yarns and the warp yarns 111 and 112 are overlapped with the outer circumferential surface of the conductive wire member 12, ) Are prevented from friction with each other.

5 is a view for explaining a conductive fabric according to a second embodiment of the present invention. Hereinafter, specific types and structures of the fiber yarn and the protective yarn 13 constituting the conductive fabric according to the second embodiment are applicable similarly to the structure shown in the first embodiment, and a detailed description thereof will be omitted do. The same reference numerals as in the first embodiment denote the same components.

Referring to FIG. 5, the conductive fabric according to the second embodiment of the present invention is fabricated from a woven fabric body by supplying fiber yarn to a weaving machine of weft yarns and warp yarns, wherein at least one strand of conductive yarns The conductive wire 12 is similar to the above-described first embodiment in that at least one strand of protective yarns 13 is formed as one bundle and supplied and woven together. However, when the fabric body is stretched And is characterized in that it is configured to be constructed.

To this end, some of the fiber yarns supplied to the weft yarn 111 and the warp yarns 112 are made of stretchable polymer yarns such as spun yarns. For example, when the conductive fabric 1 is configured to be stretchable in the longitudinal direction, if the stretchable polymer yarns are arranged in the longitudinal direction, that is, in the form of a plurality of warp yarns, the stretchable polymer yarns are stretched in the longitudinal direction. In the case where the conductive fabric is configured to be stretchable in the lengthwise direction and the widthwise direction, if the stretchable polymer yarns are constituted by a plurality of strands arranged in the longitudinal direction and the width direction, that is, warp and weft, stretchability in both directions is obtained.

On the other hand, the conductive woven fabric 1 should be formed of a stretchable conductive wire 12 having a warp or weft in order to ensure stable stretchability. 5, the conductive wire 12 includes a conductive wire 121 wound in a coil shape along the longitudinal direction, and a conductive wire 121 wound around the conductive wire 121 in a coil shape. And a center yarn 122 disposed at the inner center of the yarn.

6A to 6E are perspective views showing other examples of the conductive wire material applied to the conductive fabric according to the second embodiment of the present invention.

6A, the conductive wire 12 includes a conductive wire 121 wound in a coil shape along a longitudinal direction and a center wire 122 disposed at an inner center of the conductive wire 121, The center yarn is composed of stretch wire. For example, the center yarn may be composed of a stretchable high molecular weight material such as spun yarn. The conductive wire rod 12 having such a structure can be manufactured by using a weaving machine called a weaving machine. That is, when the center yarn 122 is fed so as to move in the vertical direction of the weaving machine and the supply roll (carrier) in which the conductive yarn 121 is wound around the center yarn 122 is rotated, The conductive wire member 12 in the form of the conductive wire 121 wound thereon can be obtained.

Meanwhile, the conductive wire shown in FIG. 6A may further include an outer layer (not shown) formed by winding a plurality of fibers around the outer surface of the conductive yarn. Since this outer layer protects the outer circumferential surface of the conductive yarn in a wrapping manner, the conductive material can be protected from external impact, friction, and the like, and the insulating property can be further improved.

6B, the conductive wire rod 12 is formed by winding a plurality of strands of conductive strands 121 (shown in FIG. 6B, in which two strands of strands are wound for convenience) on the outer circumferential surface of the center strand 122, Some of the strands may be wound in a clockwise direction and the remaining strands may be wound in a counterclockwise direction. As described above, when the conductive yarn 121 is wound in the forward and reverse directions, the central yarn 122 can be prevented from swinging in one direction during the winding process, so that a stable winding operation can be performed. And the tearing of the conductive yarn 121 can be prevented.

When the conductive strands 121 are wound on the center strand 122, the conductive strands 12 having a plus polarity (+) and a minus polarity (-) can be obtained on one linear member.

6C, the conductive wire 12 includes a center thread 122 and a conductive thread 121 wound around the outer periphery of the center thread 122. The center thread 122 is composed of a plurality of strands, 122) are wound in a staggered fashion (approximately eight-letter shape).

6D, the conductive wires 12 may be formed by joining two strands of the conductive material 121 without having a center thread, or by forming three or more strands of the conductive material 121 May be configured so that they do not have a center thread but are woven into each other in the form of a double head.

Fig. 7 is a view for explaining a conductive fabric according to a third embodiment of the present invention. Fig. 7 is a cross-sectional view of a conductive fabric 1 according to a third embodiment of the present invention. The specific types and structures can be applied similarly to the structures shown in the first and second embodiments, and a detailed description thereof will be omitted.

Referring to FIG. 7, the conductive woven fabric 1 according to the third embodiment of the present invention includes at least one protective yarn 13 and a conductive wire 12 formed in a bundle, The conductive wire 12 is woven in a fabric body, and the conductive wire 12 is woven so as to have a corrugated structure along the longitudinal direction.

The conductive wire 12 is constructed by weaving a plurality of bent portions 123 having a periodic wave structure along the length direction so as to have elasticity with respect to an external force (tensile force) acting in the longitudinal direction. At this time, the waveform may be composed of a sine wave, a cosine wave, a pulse wave, a sawtooth wave, and a U-shaped waveform repeated vertically. The conductive wires 12 may be those of the forms shown in the first and second embodiments. At this time, the protective yarn 13 is formed in a bundle so as to be in any one of the shapes of the conductive wires 12 arranged in the left-right direction, the up-down direction, and the up-and-down direction.

8A and 8B are views for explaining a conductive fabric according to a fourth embodiment of the present invention. FIGS. 9A and 9B are views for explaining a velcro fastener constituted by a conductive fabric according to a fourth embodiment of the present invention, It is an enlarged figure that simplifies the lumbar part. The specific types and structures of the fiber yarns 111 and 112 (warp slope), the protective yarns 13 and the conductive wire 12 constituting the conductive woven fabric 1 according to the fourth embodiment are the same as those of the first and second And the detailed description thereof will be omitted.

Referring to FIG. 8, in the conductive woven fabric 1 according to the fourth embodiment of the present invention, the conductive wires 12 formed by bundling one or more protective yarns 13 are fed with weft yarns and / The fabric body 11 is provided with a velcro fastener 15 for binding at a position spaced apart from the fabric body 11 by a predetermined distance along the longitudinal direction.

The velcro fastener 15 may be composed of a male velcro fastener 151 having a plurality of hooking hooks 151a or an arm velcro fastener 152 having a plurality of hooking rings 152a, . At this time, the velcro fastener 15 may be formed on the front surface or the back surface of the conductive fabric 1, or may be alternately formed on the front surface and the back surface.

9A, a plurality of hooking hooks 151a having a hook shape are formed on the fabric body 11. The hooking hooks 151a are formed by a fiber yarn or a conductive The ring shaped hook body is woven using the wire rod 12 and then cut so as to form the cutout 151b of the hooking hook 151a through a cutting process.

9B, a plurality of hooks 152a having an annular shape are formed on the fabric body, and the process of forming the hooks 152a is formed in a ring shape As shown in Fig.

The female and male Velcro fasteners 152.151 may be configured to be woven into the fabric body by separate conductive yarns (not shown) and to be electrically connected to the conductive wires 12 by being woven together. When the male and female Velcro fasteners 152.151 are formed of conductive yarns, when the male and female Velcro fasteners 152.151 are connected to each other, they are electrically energized when they are coupled with each other, As shown in FIG.

In the meantime, the above-mentioned male and female Velcro fasteners 152.151 are not provided separately for forming hooking hooks or hooks of the Velcro fastener in the weaving process of the fabric body, but the conductive wires 12 Can be formed by the hooking hook 151a or the hooking ring 152a.

That is, in the case where the arm velcro fastener 152 is to be formed, by setting the weaving program of the weaving machine so that the metal wire is supplied as the conductive wire 12 and the metal wire is loosely hooked at the formation position of the velcro fastener, And an arm velcro fastener having a plurality of engagement rings can be formed at the same time. When the male hook fastener 151 is to be formed, it is formed by cutting a metal wire so as to be woven into a ring-shaped hook body, and then cutting it so as to form a cutout 152b of the hook 151a through a cutting process .

Although the conductive fabric and the method for fabricating the conductive fabric according to the preferred embodiments of the present invention have been described above with reference to the above description and drawings, the present invention is not limited thereto. For example, It will be understood by those skilled in the art that changes and modifications may be made.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a drawing showing a technical concept of a conductive fabric according to the present invention,

FIG. 2 is a perspective view for explaining a conductive fabric according to a first embodiment of the present invention, FIG.

FIGS. 3A to 3C are views for explaining a protective cloth arrangement of a conductive fabric according to a first embodiment of the present invention;

Fig. 4 is a perspective view showing another example of the protective yarn applied to the conductive fabric according to the first embodiment of the present invention, Fig.

5 is a view for explaining a conductive fabric according to a second embodiment of the present invention,

6A to 6E are perspective views showing other examples of the conductive wire material applied to the conductive fabric sheet according to the second embodiment of the present invention,

7 is a view for explaining a conductive fabric according to a third embodiment of the present invention,

8 is a view for explaining a conductive fabric according to a fourth embodiment of the present invention,

FIGS. 9A and 9B are views for explaining a Velcro fastener constituting a conductive fabric according to a fourth embodiment of the present invention. FIG.

Description of the Related Art [0002]

1: conductive fabric 11: fabric body

111: weft 112: slope

12: Conductive wire 121:

122: Centerpiece 13: Protector

15: Velcro fastener

Claims (20)

In a conductive fabric, The fabric is woven into the fabric body by weaving and / or tilting, Wherein at least one strand of the conductive wire is woven and / or woven of the fabric body, Wherein at least one strand of protective yarns is formed into a bundle and is woven into the fiber yarn, Wherein the protective sheet is made of a fiber yarn having a diameter larger than a diameter of the conductive wire and disposed in contact with the conductive wire so as to be arranged in a left-right direction, a vertical direction, and a vertical- ≪ / RTI > delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete

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