WO2018216253A1

WO2018216253A1 - Textile product and production method therefor

Info

Publication number: WO2018216253A1
Application number: PCT/JP2017/045571
Authority: WO
Inventors: 雅彦近藤; 修大西; 嘉奈子安藤
Original assignee: 株式会社村田製作所; 岡本株式会社
Priority date: 2017-05-26
Filing date: 2017-12-19
Publication date: 2018-11-29
Also published as: JP6932774B2; EP3640384A1; US20210172096A1; CN110678595A; JPWO2018216253A1; EP3640384A4

Abstract

The present invention provides: a textile product that is applicable even to a target product having a complicated shape, due to an electric and electronic function provided to the textile product; and a production method for the textile product. The present invention is a textile product produced with use of a knit fabric. The knit fabric at least partially includes a knitted filamentous electronic function member. The electronic function member has: a core wire portion including at least two metallic wires, an insulation layer that covers the at least two metallic wires such that the at least two metallic wires are partially exposed, and an electronic function unit which is electrically connected with each of the at least two metallic wires; and a sheath portion including a fabric covering the core wire portion. A filament containing a thermoplastic resin is included in at least a portion of the fabric of the electronic function member, and/or a filament containing a thermoplastic resin is knitted with the electronic function member.

Description

Textile product and manufacturing method thereof

The present invention relates to a textile product and a manufacturing method thereof, and more particularly to a textile product having an electric and electronic function and a manufacturing method thereof.

Conventionally, various sensors such as a vibration sensor, a temperature sensor, and a pressure sensor are attached to an industrial device for the purpose of detecting an abnormality in the industrial device. For example, a packaged rectangular sensor (for example, Patent Document 1) is used for industrial equipment (hereinafter referred to as a target product) to be measured for the above purpose.

However, the packaged rectangular sensor can be arranged when the target product has a flat surface portion, but when the target product has a complicated shape such as a curved surface, the sensor is easily attached to the target product. This makes it difficult to measure.

JP 2008-03087 A

If a sensor can be attached to a target product having a complicated shape, vibration, temperature, pressure, etc. can be easily measured without being affected by the shape of the target product. In addition to the sensor function, it is also possible to provide an electrical and electronic function that combines a control function such as temperature control and a communication function.

The present inventors provide a fiber product and a method for manufacturing the same that are applicable to a target product having a complicated shape by focusing on a fiber product having elasticity and imparting an electrical and electronic function to the fiber product. Aimed at that.

In order to solve the above-mentioned problem, the textile product according to the first aspect of the present invention is a textile product manufactured using a knitted fabric, and the knitted fabric comprises a knitted and thread-like electronic functional member. The electronic functional member includes at least two metal wires, and an insulating layer that covers the at least two metal wires so that a part of the at least two metal wires is exposed. A core wire portion including an electronic function portion electrically connected to each of the at least two metal wires, and a sheath portion including a knitted fabric covering the core wire portion, and a thermoplastic resin. The containing yarn is included in at least a part of the knitted fabric of the electronic functional member, and / or the yarn containing a thermoplastic resin is knitted with the electronic functional member.

According to the first aspect, the thermoplastic resin present in the vicinity of the electronic functional member can be melted and solidified by heating the region including the electronic functional member. Thereby, since the area | region containing an electronic function member can be shape | molded according to the shape of an object product, it becomes possible to attach an electronic function member easily also to the object product which has a complicated shape.

The textile product according to the second aspect of the present invention is a textile product manufactured using a knitted fabric, and the knitted fabric includes at least a part of a knitted yarn-like electronic functional member. The electronic functional member includes at least two metal wires, an insulating layer covering the at least two metal wires so that a part of the at least two metal wires is exposed, and the at least two metal wires. A core wire portion including an electronic functional portion electrically connected to each of the metal wires, and a sheath portion including a knitted fabric covering the core wire portion, and at least the knitted fabric of the electronic functional member A part and / or at least a part of the periphery of the electronic functional member contains a solidified thermoplastic resin.

According to said 2nd aspect, since the area | region containing an electronic functional member can be shape | molded according to the shape of a target product, an electronic functional member can be easily attached also to the target product which has a complicated shape. It becomes possible.

Moreover, in the textile product according to the third aspect of the present invention, the core wire is sealed from the outside in the region where the core wire portion is covered with the knitted fabric.

According to the third aspect, the water resistance of the sheath portion of the electronic functional member can be increased.

In the textile product according to the fourth aspect of the present invention, the sheath portion covers the first covering portion on the core wire portion side made of the knitted fabric, and at least a part of the first covering portion, And a second covering portion that presses the one covering portion toward the core wire portion.

According to said 4th aspect, the 1st coating | coated part of an electronic function member can be further closely_contact | adhered to a core wire part.

Further, in the textile product according to the fifth aspect of the present invention, the second covering portion is a long member that is spirally wound around the first covering portion.

According to the fifth aspect, in the electronic functional member, the first covering portion can be brought into close contact with the core wire portion without damaging the core wire portion.

In the textile product according to the sixth aspect of the present invention, the electronic function unit includes a chip part, an electronic function substance-containing film, a battery, an input element, a display element, a sensor, an antenna, a composite element thereof, and an integrated circuit. Selected from the group consisting of

According to the sixth aspect described above, the size and thickness of the electronic functional member to be mounted can be further reduced, so that the electronic functional member can be made thinner.

Further, in the textile product according to the seventh aspect of the present invention, the core wire portion includes a plurality of the electronic function portions, and the plurality of electronic function portions are interconnected by the at least two metal wires to form a circuit. is doing.

According to the seventh aspect, the electronic functional member can be further reduced in size by using a circuit instead of a component such as a chip.

In the textile product according to the eighth aspect of the present invention, the circuit includes a sensor unit as the electronic function unit.

According to the eighth aspect, the electronic functional member can be used as a measurement tool.

Moreover, according to the textile product which concerns on the 9th aspect of this invention, the said circuit is the said electronic function part, Furthermore, the control part which controls the operation | movement of the said sensor part, and the information from the said sensor part to the exterior It includes a communication unit that outputs, a power supply unit that supplies power to the sensor unit, the control unit, and the communication unit.

According to the ninth aspect, it is possible to further reduce the size of the electronic functional member as a measurement tool.

The invention according to a tenth aspect of the present invention is a method for producing a textile product according to the first aspect, wherein the textile product is produced by knitting the electric functional member at least partially. The step of knitting the electric functional member including the thermoplastic resin fiber in at least a part of the knitted fabric, and / or the electronic functional member in the region of at least a part of the knitted fabric. Including knitting with resin fibers.

According to the tenth aspect described above, it is possible to provide a textile product having an electrical and electronic function that can form a region including an electronic functional member in accordance with the shape of the target product.

The invention according to an eleventh aspect of the present invention is a method for producing a textile product according to the fourth aspect, which is a step of producing a knitted fabric in which the electric functional member is knitted at least partially. Knitting the electric functional member including the thermoplastic resin fiber in at least a part of the knitted fabric, and / or knitting the electronic functional member with the thermoplastic resin fiber in at least a part of the knitted fabric. And a step of melting and solidifying the thermoplastic resin fibers woven into the knitted fabric.

According to the eleventh aspect, the region including the electronic functional member can be formed in accordance with the shape of the target product by melting and solidifying the thermoplastic resin present in or near the electronic functional member. Thus, it is possible to provide a textile product having an electrical and electronic function that can be applied to a target product having a complicated shape.

According to the present invention, it is possible to provide a textile product having an electrical and electronic function that can be applied to a target product having a complicated shape.

It is a partially broken top view which shows an example of the structure of the electronic function member used for the textiles which concern on Embodiment 1 of this invention. It is a model longitudinal cross-sectional view of the electronic functional member shown in FIG. It is an expanded view which shows an example of the structure of the knitted fabric used for the electronic function member shown in FIG. It is a schematic plan view which shows an example of the structure of the knitted fabric used for the textiles which concern on Embodiment 1 of this invention. It is a model longitudinal cross-sectional view of the electronic functional member shown to FIG. 4A. It is a schematic plan view which shows another example of the structure of the knitted fabric used for the textiles which concern on Embodiment 1 of this invention. It is a model longitudinal cross-sectional view of the electronic functional member shown to FIG. 5A. It is a schematic plan view which shows another example of the structure of the knitted fabric used for the textiles which concern on Embodiment 1 of this invention. It is a model longitudinal cross-sectional view of the electronic functional member shown to FIG. 6A. It is a partially broken top view which shows an example of the structure of the electronic function member used for the textiles which concern on Embodiment 3 of this invention. It is a model longitudinal cross-sectional view of the electronic functional member shown in FIG. It is a partially broken top view which shows an example of the structure of the electronic function member used for the textiles which concern on Embodiment 4 of this invention. It is a model longitudinal cross-sectional view of the electronic functional member shown in FIG. It is a partially broken top view which shows an example of the structure of the electronic function member used for the textiles which concern on Embodiment 5 of this invention. It is a model longitudinal cross-sectional view of the electronic functional member shown in FIG. It is a schematic diagram which shows an example of the structure of the electronic function member used for the textiles of this invention. It is a block diagram which shows an example of the built-in circuit of the electronic function member used for the textiles which concern on Embodiment 5 of this invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings as appropriate.

Embodiment 1
The textile product according to the present embodiment is a textile product manufactured using a knitted fabric, and the knitted fabric includes at least a part of a knitted yarn-shaped electronic functional member, and the electronic function The member includes at least two metal wires, an insulating layer covering the at least two metal wires so that a part of the at least two metal wires is exposed, and each of the at least two metal wires. The knitted fabric of the electronic functional member includes a core wire portion including an electronic function portion that is electrically connected to the core portion, and a sheath portion including a knitted fabric that covers the core wire portion, and a yarn that includes a thermoplastic resin. The thread | yarn contained in at least one part and / or containing a thermoplastic resin is woven with the said electronic function member, It is characterized by the above-mentioned.

The textile product targeted by the present invention is a product produced using a knitted fabric obtained by knitting or knitting using natural fiber, semi-synthetic fiber, or synthetic fiber yarn, The shape, dimensions, thickness, etc. are not particularly limited.

(Electronic functional members)
FIG. 1 is a partially cutaway plan view of an electronic functional member used in the present embodiment, and FIG. 2 is a longitudinal sectional view taken along the line II-II ′ of FIG. The electronic functional member 1 has a core wire portion 5 and a sheath portion 20 that covers the core wire portion 5. The core wire portion 5 is electrically connected to each of the first insulation coating metal wire 10 and the second insulation coating metal wire 11 extending in the longitudinal direction, and each of the first insulation coating metal wire 10 and the second insulation coating metal wire 11. The electronic function part 12 made conductive is included. A knitted fabric 21 is used for the sheath portion 20. The electronic function unit 12 uses chip parts.

As shown in FIG. 2, the first insulating metal wire 10 is made of a metal wire 10a covered with an insulating layer 10b, and the second insulating metal wire 11 is made of a metal wire 11a covered with an insulating layer 11b. . A part of the insulating layer 10b is removed, and a joint portion 16 is formed so as to be in contact with the exposed metal wire 10a. Further, a part of the insulating layer 11b is removed, and a joint portion 17 is formed so as to be in contact with the exposed metal wire 11a. The electronic function part 12 has a rectangular shape, and has a pair of

external electrodes

12a and 12b which are electronic function parts at both ends. The electronic function unit 12 is electrically connected to the metal wire 10a and the metal wire 11a by connecting the external electrode 12a to the joint 16 and connecting the external electrode 12b to the joint 17. As described above, the electrically connected electronic function unit 12 and the

metal wires

10a and 11a are covered with the knitted fabric 21. The

joints

16 and 17 may be configured as a separate structure from the joining material by plating or the like, but when the insulating

layers

10b and 11b are thin, they are joined by a joining material such as solder or a conductive adhesive. The

parts

16 and 17 can also be configured. Moreover, in the area | region where the core wire part 5 was coat | covered with the knitted fabric 21, the core wire part 5 is sealed with respect to the exterior.

A copper wire or a nickel wire can be used for the metal wire constituting the core wire portion. A copper wire is preferable. Although the diameter of a metal wire will not be specifically limited if it is the magnitude | size which can be knitted to a knitted fabric, It is 1 micrometer or more and 1 mm or less, Preferably it is 1 micrometer or more and 0.5 mm or less. The insulating layer prevents the metal wires from directly contacting each other, and polyurethane resin, acrylic resin, or a long insulating sheet or tape can be used. In this embodiment, the insulating layer exposes part of the metal wire in order to ensure electrical continuity with the electronic function unit. Here, the part of the metal wire may be other than the entire surface of the metal wire, and the area is not particularly limited.

In addition, the electronic function part has functions of active elements such as transistors, diodes, Peltier elements, and passive elements such as resistors, capacitors, inductors, thermistors, etc., chip parts, electronic functional substance-containing films, batteries, inputs Those selected from the group consisting of elements, display elements, sensors, antennas, composite elements thereof, and integrated circuits can be used.

The passive element may be a chip component or an electronic functional substance-containing film such as a thick film resistor, a thin film resistor, a thin film capacitor, or a thin film inductor. The passive element may be an organic material containing an electronic functional substance, a composite material, or a paste material. The electronic functional substance-containing film is formed by applying an element material, for example, a solution containing a dielectric material, to the surface of a plurality of metal wires using a known thick film printing method such as spin coating or screen printing, and performing a heat treatment. Can be formed. Moreover, the electronic functional substance containing film | membrane patterned by the thin film process can also be used. In that case, for example, a lift-off method, vapor deposition, sputtering, or the like can be used. In the lift-off method, after a resist is applied to the surfaces of a plurality of metal wires, the resist is patterned by lithography, a solution containing an element material is applied, and then the resist is peeled off, leaving only the target thin film pattern. be able to. Specific examples of the electronic function unit include an NTC thermistor, a PTC thermistor, and a Peltier element. When these elements are used for clothing using electronic functional members, for example, the temperature of the clothing can be measured using an NTC thermistor, and the clothing can be warmed using a PTC thermistor. The clothes can be cooled.

Also, the electronic function unit has a plurality of terminal units that perform signal transmission / reception with an external device. Specific examples of the terminal portion include an external electrode, a terminal, and an electrode pad. For example, when the two terminal portions are two terminals, one terminal can be connected to one metal wire and the other terminal can be connected to another metal wire.

Further, the sheath portion includes a knitted fabric that covers the core wire portion, and can be composed of one or more covering portions laminated on the outer periphery of the core wire portion. A knitted fabric can be used for any of the covering portions, but it is preferably used for the first covering portion that is on the core wire portion side and at least part of which is in contact with the core wire portion. In this Embodiment, the example which comprised the sheath part only with the 1st coating | coated part which consists of knitted fabric is shown.

Developed view of knitted fabric 21 is shown in FIG. The knitted fabric 21 can form a tubular knitted fabric that covers the periphery of the core wire portion 5 by weft-knitting the knitting yarn. Weft knitting is preferable because the stitches can be made finer than warp knitting. In addition, since weft knitting stitches so that the core wire portion in the longitudinal direction is wound with the knitting yarn, the core wire portion can be relatively strongly tightened by the knitting yarn of the sheath portion, so that the sheath portion is closely attached to the core wire portion. be able to.

In the present embodiment, the yarn containing the thermoplastic resin is included in at least a part of the knitted fabric of the electronic functional member, and / or the yarn containing the thermoplastic resin is knitted with the electronic functional member. By heating the region including the electronic functional member, the thermoplastic resin present in the vicinity of the electronic functional member can be melted and solidified. Thereby, since the area | region containing an electronic function member can be shape | molded according to the shape of an object product, it becomes possible to attach an electronic function member easily also to the object product which has a complicated shape.

In the case of an electronic functional member in which the yarn containing the thermoplastic resin (hereinafter also referred to as thermoplastic fiber yarn) is included in at least a part of the knitted fabric of the electronic functional member, for example, at least a part of the thermoplastic fiber yarn Can be used for the knitting yarn of the knitted fabric. Examples of the thermoplastic resin include polyurethane resin, polyethylene resin, polyester resin, polyamide resin, and polypropylene resin. Preferably, a thermoplastic synthetic fiber yarn made of a thermoplastic resin such as a polyethylene resin, a polyester resin, a polyamide resin, or a polypropylene resin can be used. The thickness of the knitting yarn is preferably 33 dtex or more and 250 dtex or less. This is because if it is smaller than 33 dtex, the knitted fabric is not sufficiently covered with the core wire portion, and if it is larger than 250 dtex, the knitting yarn is too thick and knitting by the knitting machine becomes difficult. It is also possible to use a plurality of thermoplastic fiber yarns made of thermoplastic resins having different melting points, or a composite fiber yarn made of thermoplastic fiber yarns and yarns that do not have thermoplasticity.

Also, when the thermoplastic fiber yarn is knitted with an electronic functional member, it can be knitted using the same thermoplastic fiber yarn as described above.

The number of stitches of the same course in the knitted fabric is not particularly limited, but is preferably 2 or more and 8 or less. Since the diameter of a cylindrical knitted fabric can be made small, the adhesiveness of the knitted fabric with respect to a core wire part can further be improved.

Further, the number of stitches per 1 cm natural length of the same wales in the knitted fabric is not particularly limited, but is preferably 6 or more and 14 or less. Here, the natural length means a length in a state where no tension or the like is applied, that is, a state where the natural length is naturally placed on a table. If the number of stitches per 1 cm natural length of the same wale in the knitted fabric is 6 or more, the coverage of the knitted fabric with respect to the core wire portion can be increased. Further, if the number of stitches per 1 cm natural length of the same wale in the knitted fabric is 14 or less, it is possible to suppress the occurrence of defects due to the stitching of the knitted fabric stitches due to the stitches becoming too fine. .

In addition, when a thermoplastic fiber yarn is used for the knitting yarn of the knitted fabric, as described above, the thermoplastic fiber yarn existing in the vicinity of the electronic functional member is melted and solidified to match the shape of the target product. Not only can the region including the member be molded, but it also has the following effects. That is, by heating and melting the thermoplastic fiber yarn contained in the knitted fabric, after cooling, the coverage and adhesion to the core wire portion of the solidified knitted fabric are improved, so that the electronic functional member and the metal wire can be washed. Protects against moisture from sweat and sweat. Moreover, the adhesiveness of a core wire part and a sheath part can further be improved by heating, heating. When a composite fiber composed of a plurality of thermoplastic fiber yarns having different melting points is used for the knitting yarn, heating to a temperature higher than the melting point of the thermoplastic fiber yarn having a low melting point and lower than the melting point of the thermoplastic fiber yarn having a high melting point. Thus, the high melting point thermoplastic fiber yarn maintains the knitted fabric state, and the durability can be enhanced by melting only the low melting point thermoplastic fiber yarn.

Further, the electronic functional member can be manufactured using, for example, the following method. That is, each of the at least two metal wires, an insulating layer covering the at least two metal wires so that a part of the at least two metal wires is exposed, and each of the at least two metal wires. A step of forming a core portion including an electronic function portion that is electrically connected to the core, and a step of forming a sheath portion that covers the core wire portion, and the step of forming the sheath portion includes the step of forming the core wire. At least a step of knitting a knitted fabric by weft knitting around the portion and covering the core wire portion.

The step of forming the core wire portion can further include a step of forming a conductive pattern on the plurality of metal wires and a step of mounting at least one electronic function portion on the plurality of metal wires. For example, when two metal wires are used, as shown in FIG. 2, a part of the insulating layer on the surface of each metal wire is removed to expose the surface of the metal wire, thereby forming a joint that gives a conductive pattern. . The number of conductive patterns can be selected according to the number of input / output terminals of the electronic function unit and the number of electronic function units. The shape of the conductive pattern may be various shapes such as a linear shape, a rectangular shape, a circular shape, and a dot shape. When mounting an electronic function unit on multiple metal wires, from the viewpoint of stretchability and durability, mount the electronic function unit in a direction perpendicular to the longitudinal direction of these metal wires for a plurality of parallel metal wires. It is preferable to do. When a plurality of electronic function units are mounted in the longitudinal direction of the metal wire, a plurality of conductive patterns can be formed at predetermined intervals along the longitudinal direction of the metal wire. The conductive pattern can be formed using a printing method using a conductive paste or an electroplating method.

The step of covering the core wire portion can form a tubular knitted fabric covering the periphery of the core wire portion by weft-knitting the knitting yarn using a circular knitting machine. As the circular knitting machine, for example, a known circular knitting machine described in Japanese Utility Model Laid-Open No. 60-193993 can be used.

(Method for producing knitted fabric)
The knitted fabric used in the present embodiment can be manufactured by supplying the electronic functional member to the loom and manufacturing the fabric, or by supplying the electronic functional member to the knitting machine and manufacturing the knitted fabric. That is, the method for manufacturing a knitted fabric used in the present embodiment is a step of manufacturing a knitted fabric in which the electronic functional member is knitted at least in part, and the step is performed on at least a part of the knitted fabric. Knitting the electronic functional member including a yarn containing the thermoplastic resin of the material, and / or knitting the electronic functional member with the yarn containing the thermoplastic resin in at least a part of the knitted fabric. It is out.

Hereinafter, the case of knitting will be described. An electronic functional member including a yarn (thermoplastic fiber yarn) containing a thermoplastic resin in the knitting yarn of the knitted fabric is supplied alone to the knitting machine (knitting method 1), or the thermoplastic fiber yarn is used as the knitting yarn of the knitted fabric. A combination of an electronic functional member not included and one or more natural fiber yarns, semi-synthetic fiber yarns, synthetic fiber yarns or the like including at least a thermoplastic fiber yarn, and feeding them to a knitting machine (knitting method 2) or knitting A combination of an electronic functional member including a thermoplastic fiber yarn in the ground knitting yarn and one or more natural fiber yarns, semi-synthetic fiber yarns, and synthetic fiber yarns including at least the thermoplastic fiber yarn is fed to the knitting machine. (Knitting method 3). As a method of combining the electronic functional member with the normal synthetic fiber yarn, for example, the electronic functional member and the normal synthetic fiber yarn are fed from the yarn path of different surface yarns and knitted, or supplied from the yarn path of the same surface yarn. There are methods such as knitting with yarns. The knitted fabric can be knitted by flat knitting, rib knitting, double-sided knitting, pearl knitting, pile knitting and the like. In addition, the electronic functional member and the normal synthetic fiber yarn can be fed from the yarn path of the front yarn and the yarn path of the back yarn, respectively, and plating knitting (attachment knitting) can be used. Further, from an economic point of view, the electronic functional member can be knitted only in specific necessary parts by intarsia knitting (double-side knitting).

The knitting method 1 is a method in which an electronic functional member including a thermoplastic fiber yarn as a knitting yarn of a knitted fabric is supplied alone to a knitting machine. However, a splicing yarn and / or a back yarn can be used as necessary. . In that case, natural fiber yarn, semi-synthetic fiber yarn, or synthetic fiber yarn which does not contain thermoplastic fiber yarn can be used for the splicing yarn and the back yarn. Thereby, it is possible to prevent the melted thermoplastic fiber yarn from being melted during the heat treatment.

Next, the knitting method 2 will be described. In the knitting method 2, a splicing yarn and / or a back yarn is used. FIG. 4A is a schematic plan view showing an example of the structure of a knitted fabric, and FIG. 4B is a schematic longitudinal sectional view of the woven fabric. The knitted fabric 70 </ b> A is knitted by the electronic functional member 71, the back yarn 72, and the splicing yarn 73. The type of yarn used for the knitted fabric constituting the sheath portion of the electronic functional member 71 is not particularly limited. For example, natural fiber yarn, semi-synthetic fiber yarn, or synthetic fiber yarn that does not include thermoplastic fiber yarn is used. it can. Further, as the splicing yarn and the backing yarn, a natural fiber yarn, a semi-synthetic fiber yarn, or a synthetic fiber yarn including at least a thermoplastic fiber yarn is used. When one of the splicing yarn and the back yarn includes a thermoplastic fiber yarn, the other yarn is omitted or, as described later, a fiber yarn that does not melt, for example, a regenerated fiber yarn such as rayon, or the above-mentioned A thermoplastic fiber yarn that does not melt at the temperature at which one yarn melts can be used. Further, both the splicing yarn and the back yarn may include a thermoplastic fiber yarn.

4A and 4B, a thermoplastic fiber yarn is used for the splicing yarn 73. The back yarn 72 has a function of preventing the melted splicing yarn 73 from melting and holding the melted splicing yarn 73 during heat treatment of the knitted fabric. By applying heat treatment, the splicing yarn 73 is melted and solidified to increase the rigidity. By heat-processing the area | region containing the electronic functional member in a knitted fabric according to a predetermined type | mold so that it may match the shape of object object, it can be made to melt and solidify and shape | mold into a predetermined shape.

4A and 4B show an example in which the splicing yarn 73 is knitted on the entire surface of the knitted fabric 70A, but the splicing yarn 73 may be knitted only in a predetermined region. 4A and 4B show an example in which a thermoplastic fiber yarn is used only for the splicing yarn 73, but a thermoplastic fiber yarn that melts at or below the melting point of the splicing yarn 73 is also used for the back yarn 72. May be. A planar resin region covering the periphery of the electronic functional member can be formed.

FIG. 5A is a schematic plan view showing another example of the structure of the knitted fabric, and FIG. 5B is a schematic longitudinal sectional view of the knitted fabric. The knitted fabric 70B is knitted by stool knitting using a front yarn 74, a back yarn 72, and a splicing yarn 73 made of a thermoplastic fiber yarn. An electronic functional member is used for the front yarn 74. By making the knitted fabric 70B into a knitting fabric, the splicing yarn 73 can be knitted into a pattern. For example, in the knitted fabric 70B, an area where the electronic functional unit is to be arranged is formed by knitting the splicing yarn 73 and the back yarn 72, and the other portions are formed by knitting the front yarn 74 and the back yarn 72. The front yarn 74 and the splicing yarn 73 appear to be interrupted at the end portion 74a and the end portion 73a. . That is, a portion where the front yarn 74 is knitted and the splicing yarn 73 is passed, and a portion where the splicing yarn 73 is knitted and the front yarn 74 is passed are arranged and knitted.

Further, as shown in FIG. 5B, when the knitted fabric 70B is formed as a knitting knitted fabric and the splicing yarn 73 is formed in a mesh shape and heat-treated, the region including the electronic function portion can be made more difficult to break and crack. In addition, by using a transparent splicing yarn 73 that does not include matting material and not using the back yarn 72, or by using a transparent thermoplastic fiber yarn that does not include matting material in the back yarn 72, the electronic function part is The containing area can be transparent.

FIG. 6A is a schematic plan view showing another example of the structure of the knitted fabric, and FIG. 6B is a schematic longitudinal sectional view of the fabric. The knitted fabric 70C is knitted by cut boss knitting with a front yarn 74, a back yarn 72, and a splicing yarn 73 made of a thermoplastic fiber yarn. An electronic functional member is used for the front yarn 74. By making the knitted fabric 70C into a cut boss, the splicing yarn 73 can be knitted into a pattern. For example, in the knitted fabric 70C, an area where the electronic functional unit is to be arranged is formed by weaving the splicing yarn 73 and the back yarn 72, and the other portions are formed by weaving the front yarn 74 and the back yarn 72. Further, unlike the knitting fabric shown in FIG. 5A, each knitting yarn is cut at a portion 75 where the front yarn 74 and the splicing yarn 73 overlap.

Next, the knitting method 3 will be described. In the knitting method 3, an electronic functional member including a thermoplastic fiber yarn and a splicing yarn and / or a backing yarn are used for the knitting yarn of the knitted fabric, and the splicing yarn and the backing yarn include at least a thermoplastic fiber yarn. Semi-synthetic fiber yarns or synthetic fiber yarns are used. When one of the splicing yarn and the back yarn includes a thermoplastic fiber yarn, the other yarn is omitted or, as described later, a fiber yarn that does not melt, for example, a regenerated fiber yarn such as rayon, or the above-mentioned A thermoplastic fiber yarn that does not melt at the temperature at which one yarn melts can be used. Further, both the splicing yarn and the back yarn may include a thermoplastic fiber yarn.

Further, the knitted fabric may include at least one power supply unit that is electrically connected to the electronic function unit. Since the electrical connection between the electronic function unit and the power supply unit can be performed by a metal wire constituting the core wire unit, it is not necessary to newly provide a lead-out line to connect the electronic function unit and the power supply unit. Thereby, the electronic function part and the power supply part can be easily connected. The external device that can be electrically connected to the electronic function unit is not limited to the power supply unit, and a signal generator, a transmission device, a reception device, a detection device, a measurement device, a display device, an input device, and the like can also be used.

According to the present embodiment, it is possible to provide a fiber product having an electrical and electronic function that can be applied to a target product having a complicated shape. Moreover, since the electronic function member which provides an electrical / electronic function can perform an electrical connection with an external device, such as a power supply part, and an electronic function part with the metal wire which comprises a core wire part, an external device and an electronic function part Can be easily connected.

Embodiment 2
The fiber product according to the present embodiment is a fiber product obtained by melting and solidifying a thermoplastic resin contained in the fiber product according to the first embodiment. The fiber product according to the first embodiment is a knitting of an electronic functional member. The difference is that at least a part of the ground and / or at least a part of the periphery of the electronic functional member contains a solidified thermoplastic resin.

In the textile product according to the present embodiment, at least a part of the knitted fabric of the electronic functional member and / or at least a part of the periphery of the electronic functional member contains the solidified thermoplastic resin, and the thermoplastic resin is melted. By solidifying, the region including the electronic functional member can be formed in accordance with the shape of the target product. Furthermore, the electronic functional member can be integrated with the knitted fabric by fusing the solidified thermoplastic resin to another knitting yarn. Thereby, even if the knitted fabric expands and contracts, the electronic functional member does not crack and does not peel from the knitted fabric. Moreover, since the rigidity of the area | region where the electronic function part is arrange | positioned can be heightened and high intensity | strength and low elongation can be performed, the deformation | transformation of the area | region can be suppressed and the durability of an electronic function part can be improved.

Hereinafter, the manufacturing method will be described. The method for manufacturing a textile product according to the present embodiment is a step of manufacturing a knitted fabric in which the electronic functional member is knitted at least in part, and includes the thermoplastic resin in at least a part of the knitted fabric. Knitting the electronic functional member containing yarn and / or knitting the electronic functional member with the yarn containing the thermoplastic resin in at least a part of the knitted fabric, and the knitting And a step of melt-solidifying the yarn containing the thermoplastic resin knitted into a woven fabric.

In this manufacturing method, when the electronic functional member is knitted with a yarn (thermoplastic fiber yarn) containing a thermoplastic resin, the thermoplastic fiber yarn has a thermoplastic fiber yarn having a melting point lower than that of other knitting yarns. May be used, or a thermoplastic fiber yarn having a melting point equivalent to that of other knitting yarns may be used. When using a thermoplastic fiber yarn having a melting point lower than that of the other knitting yarn, it is preferable to use a thermoplastic fiber yarn having a melting point of 30 degrees or more, preferably 50 ° C. or more lower than the melting point of the other knitting yarn. .

The heating temperature for melting and solidifying the thermoplastic fiber yarn can be appropriately set according to the melting point of the thermoplastic fiber yarn to be used, but exceeds the upper limit of the heat resistance temperature of the electronic function part included in the electronic function member. It is necessary not to.

For the combination of knitting yarns, taking the case of FIG. 4A as an example, natural fiber yarns or synthetic fiber yarns having a relatively high melting point (synthetic fiber yarns having a higher melting point than thermoplastic fiber yarns) are used as the sheath of the electronic functional member. The knitted fabric is knitted using a relatively high melting point fiber such as nylon or polyurethane (fiber yarn having a higher melting point than thermoplastic fiber yarn). After knitting, only the thermoplastic fiber yarn having the lowest melting point is melted and solidified by pressurizing and heating only the region where the electronic functional unit is arranged or the entire surface of the knitted fabric as necessary.

Table 1 shows an example of a combination of a woven yarn used for a knitted fabric and a thermoplastic fiber yarn to be melted and other knitted yarn. Here, the non-molten fiber in Table 1 is a fiber other than the thermoplastic fiber to be melted, refers to a fiber used for the sheath portion or the back yarn of the electronic functional member, and the melt fiber refers to a thermoplastic fiber to be melted. .

The combination of the melted fiber and the non-melted fiber is not limited to the range described in Table 1, and any melting point may be used as long as the melting point of the non-melted fiber is 30 degrees or more higher than the melting point of the melted fiber.

Embodiment 3
In the present embodiment, as an electronic functional member, the sheath portion is formed of a knitted fabric, covers the first covering portion that contacts the core wire portion, and covers at least part of the first covering portion, and presses the first covering portion toward the core wire portion side. It has the same configuration as that of the textile product of Embodiment 1 except that the one including the second covering portion is used.

7 is a partially broken plan view of the electronic functional member according to the present embodiment, and FIG. 8 is a vertical sectional view taken along line VIII-VIII ′ of FIG. Hereinafter, description of parts common to the first embodiment will be omitted, and only different parts will be described.

The electronic functional member 2 has a core wire portion 5 and a sheath portion 20 that covers the core wire portion 5. The sheath portion 20 further includes a first covering portion 22 made of a knitted fabric and located on the core wire portion 5 side, and a second covering portion 23 wound around the first covering portion 22. The 2nd coating | coated part 23 can press the 1st coating | coated part 22 to the core wire part 5 side, and can contact | adhere the 1st coating | coated part 22 further to the core wire part 5. FIG.

A long member can be used for the second covering portion. For long members, natural fiber yarns such as cotton, hemp, and wool, semi-synthetic fiber yarns such as cellulose, synthetic fiber yarns such as nylon, acrylic, polyester, and polyurethane, as well as composite yarns that combine multiple fiber materials, A tape, a string, etc. can be mentioned. By using the long member, the first covering portion can be brought into close contact with the core wire portion without damaging the core wire portion. In addition, when a synthetic fiber yarn containing a thermoplastic resin is used for the first covering portion, a synthetic fiber yarn containing a thermoplastic resin can also be used for the second covering portion. After covering with the second covering portion, the synthetic fiber yarn is heated and melted, whereby the adhesion of the first covering portion to the core wire portion can be further improved after cooling.

Also, the following examples are possible as a combination of the first covering portion and the second covering portion. For example, when a synthetic fiber yarn containing a thermoplastic resin is used for the first covering portion, a yarn made of the above-described non-melting fiber (hereinafter referred to as a non-melting fiber yarn) can be used for the second covering portion. Moreover, a non-melting fiber yarn can be used for the first covering portion, and a synthetic fiber yarn containing a thermoplastic resin can be used for the second covering portion. Even in these cases, the adhesion of the first covering portion to the core wire portion can be improved.

The electronic functional member used in the present embodiment can be manufactured using a manufacturing method including a step of winding a long member around the first covering portion in a spiral shape after the first covering portion is formed. For the second covering portion, for example, a known sheath yarn winding device described in JP-A-63-282304 is used to move the electronic functional member having the first covering portion upward or downward. However, the second covering portion can be formed by unwinding the string wound around the bobbin while winding the bobbin and winding it around the electronic functional member. In addition, the winding space | interval of the 2nd coating | coated part in the longitudinal direction of an electronic function member can be adjusted as needed. By reducing the winding interval (or increasing the number of turns), it is possible to further improve the adhesion of the first covering portion to the core wire portion. Further, by increasing the diameter of the yarn constituting the second covering portion, the winding interval can be reduced, and the adhesion of the first covering portion to the core wire portion can be further improved.

According to the present embodiment, in addition to the effects of the first embodiment, by providing the second covering portion, the adhesion of the first covering portion to the core wire portion is further improved, and the durability of the electronic functional member is further increased. Can be improved.

In addition, although the example which provided the 2nd coating | coated part was shown in this Embodiment, a coating | coated part can also be provided as needed. For example, the second covering portion is spirally wound in the longitudinal direction of the electronic functional member, while the second covering portion is wound on the second covering portion in a direction opposite to the second covering portion, and intersects the second covering portion. A covering part can also be provided. By providing the third covering portion, the adhesion of the first covering portion to the core wire portion can be further improved.

Further, an aligned yarn made of a synthetic fiber yarn containing a thermoplastic resin may be included between the core wire portion and the first covering portion. Also in this case, the adhesion of the first covering portion to the core wire portion can be improved. In this case, as a combination of the first covering portion and the second covering portion, when using a synthetic fiber yarn containing a thermoplastic resin in both the first covering portion and the second covering portion, the first covering portion and the second covering portion When using a non-melting fiber yarn for both, the synthetic fiber yarn containing a thermoplastic resin is used for one of the first covering portion and the second covering portion, and the non-melting fiber yarn is used for the other.

Embodiment 4
The textile product according to the present embodiment has the same configuration as that of the textile product of the first embodiment except that an electronic functional member using an electronic functional substance-containing film is used instead of the chip component as the electronic functional part. ing.

FIG. 9 is a partially broken plan view of the electronic functional member according to the present embodiment, and FIG. 10 is a vertical cross-sectional view taken along the line XX ′ of FIG. Hereinafter, description of parts common to the first embodiment will be omitted, and only different parts will be described.

The electronic functional member 3 has a core wire portion 6 and a sheath portion 20 that covers the core wire portion 6. The core wire portion 6 is disposed so as to be electrically conductive to the first insulating coating metal wire 10, the second insulating coating metal wire 11, and each of the first insulating coating metal wire 10 and the second insulating coating metal wire 11. The electronic functional part 13 which consists of the provided electronic functional substance containing film | membrane is included.

As described above, the electronic functional substance-containing film is subjected to heat treatment by applying a device raw material, for example, a solution containing a dielectric raw material, to the surface of a plurality of metal wires using a known printing method such as spin coating. Can be formed. A patterned thin film can also be used. Here, the electronic functional substance includes a dielectric material, a conductive material, a magnetic material, a piezoelectric material, a semiconductor material, a pyroelectric material, and the like.

According to the present embodiment, in addition to the effects of the first embodiment, by using the electronic functional substance-containing film, the size and thickness of the electronic functional part mounted on the metal wire can be flexibly changed. It is possible to provide a textile product in which the electronic functional member can be optimally designed according to the application.

Embodiment 5
The textile product according to the present embodiment uses a long insulating member as an insulating layer for covering a metal wire, and is formed so as to cover the outer periphery of a plurality of metal wires in a band shape instead of a chip component as an electronic function part. It has the same configuration as that of the textile product of Embodiment 1 except that the electronic functional member using the electronic functional substance-containing film is used.

FIG. 11 is a partially broken plan view of the electronic functional member according to the present embodiment, and FIG. 12 is a longitudinal sectional view taken along line XII-XII ′ of FIG. The electronic functional member 4 includes a core wire portion 7 and a sheath portion 20 that covers the core wire portion 7. The core wire portion 7 is formed so as to cover the

metal wires

10a and 11a extending in the longitudinal direction through the insulating member 15 and the outer periphery of the

metal wires

10a and 11a in a strip shape, and can be electrically connected to the

metal wires

10a and 11a. The electronic functional material-containing film 14 is disposed on the substrate. A knitted fabric 21 is used for the sheath portion 20.

As the insulating member of the electronic functional member used in the present embodiment, a long insulating sheet interposed between metal wires, an insulating tape attached along the longitudinal direction of the metal wire, and in the longitudinal direction of the metal wire An insulating layer formed along the surface can be given. A polyurethane resin, an acrylic resin, or the like can be used for the insulating layer.

As described above, the electronic functional substance-containing film is subjected to heat treatment by applying a device raw material, for example, a solution containing a dielectric raw material, to the surface of a plurality of metal wires using a known printing method such as spin coating. Can be formed. A patterned thin film element can also be used.

In Embodiments 1 to 5, an example in which there is one electronic function unit has been described, but the electronic function member used in the textile product of the present invention can also include a plurality of electronic function units. For example, the first electronic function unit disposed so as to be electrically conductive to each metal wire of the first wiring unit made of at least two metal wires is different from the first wiring unit. A second electronic function unit may be provided which is arranged to be electrically conductive to each metal line of the second wiring unit made of at least two metal lines. Similarly, a third wiring unit and a third electronic function unit, a fourth wiring unit and a fourth electronic function unit, and a fifth wiring unit and a fifth electronic function unit may be included. . The first electronic function unit and the other electronic function units may be different from each other, or all the electronic function units may be the same. For example, a temperature sensor element (for example, NTC thermistor) can be used for the first electronic function unit, and a heating element (for example, a PTC thermistor) can be used for the second electronic function unit.

FIG. 13 is a schematic diagram showing an example of the structure of the electronic functional member having a plurality of electronic functional portions described above, and the sheath portion is omitted. The core wire portion 30 has

metal wires

31, 32, 33, 34, 35, and 36 each covered with an insulating layer. The two

metal lines

31 and 32 constitute a first wiring part 37, and the other two

metal lines

33 and 34 constitute a second wiring part 38, and another two

metal lines

35 and 36. Constitutes a third wiring part 39. The first electronic functional unit 41 is joined to the joint 31a where a part of the metal wire 31 is exposed and the joint 32a where a part of the metal wire 32 is exposed. The second electronic function unit 42 is bonded to the bonding part 33a where a part of the metal wire 33 is exposed and the bonding part 34a where a part of the metal wire 34 is exposed. The third electronic function unit 43 is bonded to the bonding portion 35a where a part of the metal wire 35 is exposed and the bonding portion 36a where a part of the metal wire 36 is exposed. Although FIG. 13 shows an example in which six metal wires are arranged in parallel, the first to third electronic function units may be bundled so as not to contact each other.

Further, the electronic functional member used for the textile product of the present invention may form a circuit by interconnecting a plurality of electronic functional parts with at least two metal wires. This mode will be described in more detail in the following sixth embodiment.

Embodiment 6
In the electronic functional member used for the textile product according to the present embodiment, the core wire portion includes a plurality of electronic functional portions, and the plurality of electronic functional portions are interconnected by at least two metal wires to form a circuit. (Hereinafter, this circuit is also referred to as a built-in circuit). FIG. 14 is a block diagram showing an example of the configuration of the built-in circuit. The circuit 60 has a plurality of circuit element units constituting the circuit, and the circuit element units correspond to electronic function units. The circuit 60 includes, as circuit element units, a passive element unit 61, an active element unit 62, a control unit 63 that controls the operation of the passive element unit 61 and the active element unit 62, and output and input of communication signals with the outside. A communication unit 64 for performing power, a power supply unit 65 for supplying power to each unit, an A / D converter unit 66 for A / D converting a data signal from the passive element unit 61 and outputting the data signal to the control unit 63, and a control unit 63 A D / A converter 67 for D / A converting the control signal and supplying the control signal to the active element 62, a transmitting / receiving antenna 68 for performing wireless transmission / reception with the outside, and a power radio wave from the outside, And a wireless charging unit 69 that outputs the power generated from the service radio wave to the power supply unit 65. In addition, as an external device, a display unit 70 that displays predetermined image information from the control unit 63 is provided.

For example, a sensor can be used as a passive element in the passive element unit 61. In that case, the passive element portion is also referred to as a sensor portion. Examples of the sensor include a temperature sensor, an infrared sensor, a humidity sensor, a sound sensor, an optical sensor, a magnetic sensor, a pressure sensor, an acceleration sensor, and a position sensor. In the active element unit 62, for example, a heating element or a vibrating body can be used as an active element. The combination of a passive element and an active element can be variously selected according to the use of an electronic functional member. For example, by using a temperature sensor as a passive element and a heating element as an active element, a temperature adjustment function can be imparted to the electronic functional member. For the power supply unit 65, for example, a capacitor or a secondary battery can be used.

Interconnection of a plurality of electronic function units is performed, for example, by arranging a plurality of electronic function units along the longitudinal direction of two metal wires and electrically connecting each electronic function unit to a respective metal line. be able to.

The electronic functional member used in this embodiment can also be a knitted fabric by using the same method as that described in the first embodiment. That is, a knitted fabric can be manufactured by supplying an electronic functional member having a built-in circuit to a knitting machine and knitting it as a normal yarn.

According to the present embodiment, in addition to the effects of the first embodiment, by using a circuit instead of a plurality of components such as a chip, it is possible to provide a textile product in which the electronic functional member is further miniaturized.

In the present embodiment, the passive element portion and the circuit element portion other than the active element portion are not built in the electronic functional member, and an external device can be used instead. In that case, the external device is held by the knitted fabric, but the electrical connection between the circuit element unit other than the passive element unit and the active element unit and the external device is the metal constituting the core wire unit as described in the first embodiment. This can be done with lines.

Further, the circuit element portion shown in FIG. 14 is an example, and various circuit element portions can be used depending on the application.

Although the embodiments of the present invention have been described above, those skilled in the art can understand that these are merely examples and various modifications are possible within the scope of the present invention. For example, in the third embodiment, an example in which the knitting yarn is spirally wound around the first covering portion as the second covering portion has been described. However, the second covering portion may be formed by using a knitted fabric. You may form using knitting (attached knitting).

1, 2, 3, 4 Electronic functional member 5, 6, 7 Core wire portion 10 First insulating coated metal wire 11 Second insulating

coated metal wire

10a,

11a Metal wire

10b,

11b Insulating layer

12, 13, 14 Electronic

functional portion

12a , 12b External electrode 15 Insulating

member

16, 17 Joint portion 20 Sheath portion 21 Knitted fabric 22 First covering portion 23 Second covering portion 30

Core wire portion

31, 32, 33

Metal wire

34, 35, 36

Metal wire

31a, 32a,

33a Junction part

34a, 35a, 36a Junction part 37 1st wiring part 38 2nd wiring part 39 3rd wiring part 41 1st electronic functional part 42 2nd electronic functional part 43 3rd electronic functional part 60 Circuit 61 Passive element 62 Active element section 63 Control section 64 Communication section 65 Power supply section 66 A / D converter section 67 D / A converter section 68 Transmission / reception antenna section 69

Wireless charging section

70A, 70B, 70C Knitted fabric 71 Electronic functional member 72 Back thread 73 Attached thread 73a Attached End portion of yarn 74 Surface yarn 74a End portion of front yarn 75 Portion where front yarn and thermoplastic fiber overlap

Claims

A textile product manufactured using a knitted fabric,
The knitted fabric includes at least a part of a knitted and thread-like electronic functional member,
The electronic functional member includes at least two metal wires, an insulating layer covering the at least two metal wires so that a part of the at least two metal wires is exposed, and the at least two metal wires. A core wire portion including an electronic function portion electrically connected to each of the core portion, and a sheath portion including a knitted fabric covering the core wire portion,
A textile product, wherein a yarn containing a thermoplastic resin is contained in at least a part of the knitted fabric of the electronic functional member, and / or a yarn containing a thermoplastic resin is knitted with the electronic functional member.
A textile product manufactured using a knitted fabric,
The knitted fabric includes at least a part of a knitted and thread-like electronic functional member,
The electronic functional member includes at least two metal wires, an insulating layer covering the at least two metal wires so that a part of the at least two metal wires is exposed, and the at least two metal wires. A core wire portion including an electronic function portion electrically connected to each of the core portion, and a sheath portion including a knitted fabric covering the core wire portion,
A textile product comprising a solidified thermoplastic resin in at least a part of the knitted fabric of the electronic functional member and / or at least a part of the periphery of the electronic functional member.
The textile product according to claim 1 or 2, wherein the core wire portion is sealed from the outside in a region where the core wire portion is covered with the knitted fabric.
The sheath portion includes a first covering portion on the core wire portion side made of the knitted fabric, and a second covering portion that covers at least a part of the first covering portion and presses the first covering portion toward the core wire portion side. The textile product according to any one of claims 1 to 3, comprising:
5. The textile product according to claim 4, wherein the second covering portion is a long member that is spirally wound around the first covering portion.
The electronic function section is selected from the group consisting of a chip part, an electronic function substance-containing film, a battery, an input element, a display element, a sensor, an antenna, a composite element thereof, and an integrated circuit. 2. The textile product according to item 1.
The core wire part includes a plurality of the electronic function parts, and the plurality of electronic function parts are interconnected by the at least two metal wires to form a circuit. The textile product described.
The textile product according to claim 7, wherein the circuit includes a sensor unit as the electronic function unit.
The circuit further includes, as the electronic function unit, a control unit that controls the operation of the sensor unit, a communication unit that outputs information from the sensor unit to the outside, the sensor unit, the control unit, and the communication unit. The textile product according to claim 8, further comprising: a power supply unit that supplies electric power to the battery.
It is a manufacturing method of the textiles according to claim 1,
A step of producing a knitted fabric in which at least a part of the electronic functional member is knitted, wherein the step of knitting the electronic functional member including a yarn containing the thermoplastic resin in at least a part of the knitted fabric And / or knitting the electronic functional member with a yarn containing the thermoplastic resin in at least a partial region of the knitted fabric.
It is a manufacturing method of the textiles according to claim 2,
A step of producing a knitted fabric in which the electronic functional member is knitted at least in part, the knitting of the electronic functional member including a yarn containing the thermoplastic resin in at least a part of the knitted fabric, and And / or the step of knitting the electronic functional member with the yarn containing the thermoplastic resin in at least a partial region of the knitted fabric;
And a step of melt-solidifying the yarn containing the thermoplastic resin woven into the knitted fabric.