JP2020045600A - Method for electrical connection through core-sheath type conductive threads - Google Patents
Method for electrical connection through core-sheath type conductive threads Download PDFInfo
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- 239000004744 fabric Substances 0.000 claims abstract description 61
- 238000009956 embroidering Methods 0.000 claims abstract description 12
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- 238000005336 cracking Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 239000000835 fiber Substances 0.000 description 13
- 238000009736 wetting Methods 0.000 description 10
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- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 210000002700 urine Anatomy 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
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- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000003658 microfiber Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
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- 229910000679 solder Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Woven Fabrics (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Automatic Embroidering For Embroidered Or Tufted Products (AREA)
Abstract
Description
本発明は、芯鞘型導電糸からの導通方法に関する。 The present invention relates to a method for conducting from a core-sheath type conductive yarn.
また、特許請求の範囲及び本明細書では、「芯鞘型導電糸」の語は、芯部が導電性を有しており、鞘部が非導電性及び吸水性を有している芯鞘型の導電糸を意味する。 In the claims and the present specification, the term “core-sheath conductive yarn” refers to a core-sheath in which the core has conductivity and the sheath has non-conductivity and water absorbency. Type conductive yarn.
公共施設、映画館の座席シート、ソファ、座椅子等の家具のシート、ベットシーツ等には、織物、編物、布等が用いられていることが多い。 Fabrics, knits, cloths, and the like are often used for seats of public facilities, movie theaters, furniture seats such as sofas and chairs, and bed sheets.
例えば、病院のベットシーツの上で尿を漏らしてしまい、次に利用する方が濡れていることに気付かず、寝ころんでしまい、次に寝ころんだ方の服やズボン、スカートが濡れてしまう恐れがある。 For example, if you leak urine on a bed sheet at a hospital and the next person does not notice that it is wet, you fall asleep and the next person who lay down may get wet. is there.
特許文献１には、導電糸Ａ，Ｂをテキスタイル構造内に配置した液体検知布であって、前記テキスタイル構造を構成する糸の一部には前記導電糸Ａが所定の間隔をあけて平行状に配列され、前記導電糸Ａと直交する方向には、導電糸Ｂが少なくとも２本所定の間隔をあけて平行状に配列され、かつ前記平行状に配列された導電糸Ａと１本おきに交互に電気的接続されており、前記導電糸Ａ，Ｂ以外の糸は電気絶縁糸であることを特徴とする液体検知布が開示されている。 Patent Literature 1 discloses a liquid detection cloth in which conductive yarns A and B are arranged in a textile structure. The conductive yarn A is parallel to a part of the yarns constituting the textile structure at a predetermined interval. In the direction orthogonal to the conductive yarn A, at least two conductive yarns B are arranged in parallel at a predetermined interval, and every other conductive yarn A arranged in parallel with the other conductive yarn A. A liquid detection cloth is disclosed, which is electrically connected alternately, and wherein the yarns other than the conductive yarns A and B are electrically insulating yarns.
特許文献１には、液体検知布を構成する導電糸Ａ，Ｂは導電線そのままでもよいし、液体が導電線に到達する構成であれば電気絶縁糸材料で被覆されていてもよいと記載されており、また、電気的接続方法としては、織編等のテキスタイル構造で物理的に接触させることで電気的に接続させる方法、ハンダや導電ペースト、導電性接着剤等で電気的に接続させる方法があるが、液体検知布として電気的接続が保持できる方法であればよいと記載されている。 Patent Document 1 describes that the conductive yarns A and B constituting the liquid detection cloth may be conductive wires as they are, or may be coated with an electrically insulating yarn material if the liquid reaches the conductive wires. In addition, as an electrical connection method, a method of electrically connecting by physically contacting with a textile structure such as a woven knitting, a method of electrically connecting with solder, a conductive paste, a conductive adhesive, or the like. However, it is described that any method can be used as long as the liquid detection cloth can maintain electrical connection.
しかしながら、電気絶縁糸材料で被覆されている導電糸を用いて、導電ペースト、導電性接着剤等で電気的に接続しようとする場合、導電ペースト、導電性接着剤等が芯の導電糸まで均一に浸透しないため、電気的にうまく接続できない恐れがある。また、導電ペースト、導電性接着剤等が固化した後、布帛を伸縮させたりすると、導電ペースト、導電性接着剤等がひび割れしてしまう恐れがある。 However, when using a conductive yarn covered with an electric insulating yarn material and attempting to electrically connect with a conductive paste, a conductive adhesive, or the like, the conductive paste, the conductive adhesive, etc., are uniformly applied to the core conductive yarn. Because it does not penetrate the wire, there is a possibility that the connection cannot be made well. In addition, when the cloth is expanded or contracted after the conductive paste, the conductive adhesive, and the like are solidified, the conductive paste, the conductive adhesive, and the like may be cracked.
本発明は、かかる技術的背景を鑑みてなされたものであって、ひび割れすることなく、電気絶縁糸材料で被覆されている導電糸と導電糸とを導通させることができる方法を提供することが目的である。 The present invention has been made in view of such a technical background, and provides a method capable of conducting a conductive yarn covered with an electrically insulating yarn material with a conductive yarn without cracking. Is the purpose.
前記目的を達成するために、本発明は以下の手段を提供する。 In order to achieve the above object, the present invention provides the following means.
[１] 導電性を有する芯部と、非導電性と吸水性を有する鞘部からなる芯鞘型導電糸を少なくとも一部に用いてなる布帛に、前記芯鞘型導電糸の導電性を有する芯部と導電糸とが接触するように前記導電糸を刺繍することにより、前記芯鞘型導電糸の導電性を有する芯部と前記導電糸とを導通することを特徴とする導通方法。 [1] A cloth obtained by using at least a part of a core-sheath type conductive yarn comprising a conductive core portion and a non-conductive and water-absorbing sheath portion has the conductivity of the core-sheath type conductive yarn. A conduction method, comprising: embroidering the conductive thread so that the core and the conductive thread are in contact with each other, thereby conducting the conductive core and the conductive thread of the core-sheath type conductive thread to the conductive thread.
[２] 前記導電糸を前記布帛に少なくとも２本刺繍する前項１に記載の導通方法。 [2] The conduction method according to the above [1], wherein at least two conductive yarns are embroidered on the cloth.
[１]の発明では、導電性を有する芯部と、非導電性と吸水性を有する鞘部からなる芯鞘型導電糸を少なくとも一部に用いてなる布帛に、芯鞘型導電糸の導電性を有する芯部と導電糸とが接触するように導電糸を刺繍することにより、芯鞘型導電糸の導電性を有する芯部と導電糸とを導通するから、非導電性と吸水性を有する鞘部で被覆されている導電性を有する芯部と、刺繍した導電糸とを導通させることができる。また、電気的に接続する方法としては導電糸を用いているため、ひび割れすることもない。さらに、布帛が水、お茶、ジュース等の等の液体に濡れた際、布帛に用いている芯鞘型導電糸の非導電性と吸水性を有する鞘部に液体が通過し、導電性を有する芯部にまで液体が浸透すると、導電性を有する芯部と布帛に刺繍した導電糸とで簡単に導通させることができ、液体濡れも検知することができる。 In the invention of [1], the conductive material of the core-sheath type conductive yarn is provided on at least a part of the fabric using the core-sheath type conductive yarn having a conductive core portion and a non-conductive and water-absorbing sheath portion. By embroidering the conductive yarn such that the conductive core and the conductive yarn are in contact with each other, the conductive core and the conductive yarn of the core-sheath type conductive yarn are electrically connected to each other. The conductive core covered with the sheath and the embroidered conductive yarn can be conducted. In addition, since the conductive yarn is used as a method of electrically connecting, there is no crack. Furthermore, when the cloth is wet with a liquid such as water, tea, juice, etc., the liquid passes through the non-conductive and water-absorbing sheath portion of the core-sheath type conductive yarn used for the cloth and has conductivity. When the liquid penetrates into the core portion, conduction can be easily established between the conductive core portion and the conductive yarn embroidered on the fabric, and liquid wetting can be detected.
[２]の発明では、導電糸を布帛に少なくとも２本刺繍するから、布帛の面状において液体濡れも検知することができる。 In the invention [2], since at least two conductive yarns are embroidered on the cloth, it is possible to detect liquid wetting on the surface of the cloth.
本発明に係る芯鞘型導電糸からの導通方法を行うための布帛の一実施形態を図面に基づいて説明する。図１に示すように、導電性を有する芯部７と、非導電性と吸水性を有する鞘部８からなる芯鞘型導電糸２を少なくとも一部に用いてなる布帛１に、前記芯鞘型導電糸２の導電性を有する芯部７と導電糸３とが接触するように前記導電糸３を刺繍することにより、前記芯鞘型導電糸２の導電性を有する芯部７と前記導電糸３とを導通することを特徴とする。なお、図１では、導電性を有する芯部７と導電糸３とが接触している所を分かりやすくするために、緯糸は省略している。 An embodiment of a fabric for performing a conduction method from a core-sheath type conductive yarn according to the present invention will be described with reference to the drawings. As shown in FIG. 1, the core-sheath is added to a fabric 1 using at least a part of a core-sheath type conductive yarn 2 including a conductive core 7 and a non-conductive and water-absorbing sheath 8. By embroidering the conductive yarn 3 so that the conductive core 3 of the conductive yarn 2 and the conductive yarn 3 are in contact with each other, the conductive core 7 of the core-sheath conductive yarn 2 and the conductive It is characterized by conducting with the yarn 3. In FIG. 1, weft yarns are omitted to make it easy to see where the conductive core portion 7 and the conductive yarn 3 are in contact with each other.
前記布帛１の少なくとも一部には、導電性を有する芯部７と、非導電性と吸水性を有する鞘部８からなる芯鞘型導電糸２を用いる必要がある。前記布帛１に用いることができる糸としては、芯鞘型導電糸２の他には、非導電性繊維４を用いても構わない。非導電性繊維４としては、例えば、ナイロン繊維、ポリプロピレン繊維、ポリエステル繊維等が挙げられる。なお、図１、図５、図６には経糸及び緯糸に用いている芯鞘型導電糸２と芯鞘型導電糸２の間に非導電性繊維４を１本しか記載していないが、経糸に用いている芯鞘型導電糸２と芯鞘型導電糸２の間に複数本の非導電性繊維４が製織されており、緯糸に用いている芯鞘型導電糸２と芯鞘型導電糸２の間に複数本の非導電性繊維４が製織されており、分かりやすくするために省略しているだけである。 It is necessary to use a core-sheath type conductive yarn 2 composed of a core part 7 having conductivity and a sheath part 8 having non-conductivity and water absorbency for at least a part of the cloth 1. As the yarn that can be used for the fabric 1, a non-conductive fiber 4 may be used in addition to the core-sheath type conductive yarn 2. Examples of the non-conductive fiber 4 include a nylon fiber, a polypropylene fiber, and a polyester fiber. Although FIGS. 1, 5 and 6 show only one non-conductive fiber 4 between the core-sheath conductive yarn 2 and the core-sheath conductive yarn 2 used for the warp and the weft, A plurality of non-conductive fibers 4 are woven between the core-sheath conductive yarn 2 used for the warp and the core-sheath conductive yarn 2 used for the weft. A plurality of non-conductive fibers 4 are woven between the conductive yarns 2 and are omitted for simplicity.
前記布帛１としては、特に限定されるものではないが、例えば、織物、編物等が挙げられるが、織物であることが好ましい。また、布帛１を３Ｄニットの表面に刺繍するようにして形成しても構わない。 The cloth 1 is not particularly limited, and includes, for example, a woven fabric and a knitted fabric, and is preferably a woven fabric. Further, the fabric 1 may be formed by embroidering on the surface of the 3D knit.
前記布帛１の組織としては、平織、綾織、朱子織等が挙げられる。 Examples of the structure of the cloth 1 include plain weave, twill weave, satin weave, and the like.
前記芯鞘型導電糸２は、図２に示すように、導電性を有する芯部７と、非導電性と吸水性を有する鞘部８からなる芯鞘型導電糸２である必要がある。導電性を有する芯部７の外周面を非導電性と吸水性を有する鞘部８で被覆している芯鞘型導電糸２である。 As shown in FIG. 2, the core-sheath type conductive yarn 2 needs to be a core-sheath type conductive yarn 2 including a conductive core portion 7 and a non-conductive and water-absorbing sheath portion 8. The core-sheath type conductive yarn 2 in which the outer peripheral surface of a core part 7 having conductivity is covered with a sheath part 8 having non-conductivity and water absorption.
前記導電性を有する芯部７としては、導電糸であることが好ましく、中でも、銀メッキ糸やステンレス線であることがより好ましい。 The conductive core 7 is preferably a conductive yarn, and more preferably a silver plated yarn or a stainless steel wire.
前記非導電性と吸水性を有する鞘部８としては、非導電性を有する吸水糸であることがより好ましい。 It is more preferable that the sheath 8 having non-conductivity and water absorbency is a non-conductive water-absorbing thread.
前記導電糸を芯糸に用いて、導電糸からなる芯糸の外周面に前記非導電性を有する吸水糸を被覆する方法としては、特に限定するものではないが、組紐、カバーリング等が挙げられ、導電糸からなる芯糸の隙間が見えないように巻き付けることが好ましい。 The method of coating the non-conductive water-absorbing yarn on the outer peripheral surface of the core yarn made of the conductive yarn using the conductive yarn as the core yarn is not particularly limited, and examples thereof include a braid and a covering. It is preferable to wind the core yarn made of a conductive yarn so that the gap is not visible.
前記芯鞘型導電糸２は、導電糸からなる芯糸の外周面を、非導電性を有する吸水糸で被覆した糸であることがより好ましい。 The core-sheath type conductive yarn 2 is more preferably a yarn in which the outer peripheral surface of a core yarn made of a conductive yarn is covered with a non-conductive water-absorbing yarn.
前記非導電性を有する吸水糸としては、非導電性と吸水性を有する糸であれば特に限定されないが、異形断面糸、マイクロファイバー等が挙げられ、中でも、異形断面糸であることがより好ましい。 The non-conductive water-absorbing yarn is not particularly limited as long as it is non-conductive and water-absorbing yarn, and includes a modified cross-section yarn, a microfiber, and the like, and among them, a modified cross-section yarn is more preferable. .
前記組紐としては、丸打紐、角打紐、平打紐等が挙げられ、丸打紐であることがより好ましい。 Examples of the braid include round perforated strings, square perforated strings, flat perforated strings, and the like, and more preferably round perforated strings.
前記組紐の太さとしては、５００デシテックス〜１００００デシテックスであることが好ましい。 The braid preferably has a thickness of 500 to 10,000 decitex.
前記導電糸からなる芯糸の外周面に巻き付ける組紐の本数としては、４打〜１６打であることが好ましく、中でも、８打〜１２打であることがより好ましい。 The number of braids wound around the outer peripheral surface of the core yarn made of the conductive yarn is preferably 4 to 16 strokes, and more preferably 8 to 12 strokes.
前記布帛１に、前記芯鞘型導電糸２の導電性を有する芯部７と導電糸３とが接触するように前記導電糸３を刺繍する必要がある。前記芯鞘型導電糸２の導電性を有する芯部７と前記導電糸３とが接触していることで、前記芯鞘型導電糸２の導電性を有する芯部７と前記導電糸３とを導通させることができる。 It is necessary to embroider the conductive yarn 3 on the cloth 1 so that the conductive core 3 and the conductive yarn 3 of the core-sheath type conductive yarn 2 come into contact with each other. Since the conductive core 3 of the core-sheath type conductive yarn 2 and the conductive yarn 3 are in contact with each other, the conductive core 7 of the core-sheath type conductive yarn 2 and the conductive yarn 3 Can be conducted.
前記導電糸３を刺繍する方法としては、特に限定されるものではないが、例えば、針を用いて手で刺繍する、ミシンで刺繍する等が挙げられ、中でもミシンで刺繍することが好ましい。 The method of embroidering the conductive thread 3 is not particularly limited, but includes, for example, embroidering by hand using a needle, embroidering with a sewing machine, etc., and among them, embroidering with a sewing machine is preferable.
図３は、１本の導電糸３を手で刺繍した状態を示しており、経糸のみを経方向から見た断面図である。図３では、導電性を有する芯部７と導電糸３とが接触している所を分かりやすくするために、緯糸は省略している。前記第２工程では前記芯鞘型導電糸２の上下を貫通するように１本の導電糸３を手で刺繍して、布帛１に用いられている芯鞘型導電糸２の表面側と裏面側とを貫通するように１本の導電糸３で刺繍して、導電性を有する芯部７と導電糸３とが接触し、通電できるようにすることが必要である。 FIG. 3 shows a state in which one conductive thread 3 is embroidered by hand, and is a cross-sectional view of only the warp thread viewed from the warp direction. In FIG. 3, the weft is omitted to make it easy to see where the conductive core 7 and the conductive yarn 3 are in contact with each other. In the second step, one conductive yarn 3 is embroidered by hand so as to penetrate up and down the core-sheath type conductive yarn 2, and the front side and the back side of the core-sheath type conductive yarn 2 used for the fabric 1 are embroidered. It is necessary to embroider with one conductive thread 3 so as to penetrate through the side, so that the conductive core portion 7 and the conductive thread 3 come into contact with each other and can be energized.
図４は、導電糸をミシンで刺繍した状態を示しており、経糸のみを経方向から見た断面図である。図４では、導電性を有する芯部７と導電糸３とが接触している所を分かりやすくするために、緯糸は省略している。前記第２工程では前記芯鞘型導電糸２の上下を貫通するように１本の導電糸３をミシンで刺繍して、布帛１に用いられている芯鞘型導電糸２の表面側と裏面側とを貫通するように導電糸３をミシンで刺繍して、導電性を有する芯部７と導電糸３とが接触し、通電できるようにすることが必要である。 FIG. 4 shows a state in which the conductive thread is embroidered with a sewing machine, and is a cross-sectional view of only the warp thread viewed from the warp direction. In FIG. 4, weft yarns are omitted to make it easy to see where the conductive core 7 and the conductive yarn 3 are in contact. In the second step, one conductive yarn 3 is embroidered with a sewing machine so as to penetrate the core-sheath type conductive yarn 2 above and below, and the front side and the back side of the core-sheath type conductive yarn 2 used for the fabric 1 are embroidered. It is necessary that the conductive thread 3 be embroidered with a sewing machine so as to penetrate through the side, so that the conductive core 7 and the conductive thread 3 come into contact with each other so that electricity can be supplied.
前記導電糸３の種類としては、導電性を有する繊維素材であればよく、例えば、銅、ステンレス、銀等の金属繊維や炭素繊維、導電性のない繊維に、銀、銅、ニッケル等の金属をメッキ等の手段によって繊維表面にコーティングし導電性機能の付与された糸等を挙げることができる。 The type of the conductive yarn 3 may be any fiber material having conductivity. For example, metal fibers such as copper, stainless steel, and silver, carbon fibers, non-conductive fibers, and metals such as silver, copper, and nickel may be used. Is coated on the fiber surface by plating or the like to give a conductive function.
前記導電糸３の電気抵抗としては、１０３Ω／ｃｍ〜１０−１Ω／ｃｍであることが好ましい。 The electrical resistance of the conductive yarn 3 is preferably 10 3 Ω / cm to 10 −1 Ω / cm.
前記導電糸３を前記布帛１に少なくとも２本刺繍することが好ましい。１本でも構わないが、２本刺繍することで布帛の大きな面状において水濡れを検知することができる。 Preferably, at least two conductive yarns 3 are embroidered on the cloth 1. Although only one may be used, it is possible to detect water wetting on a large surface of the fabric by embroidering two.
図５に示すように、前記布帛１の長さ方向Ｌとは布帛１を製造する時の加工流れ方向と同じであり、前記布帛１の幅方向Ｗとは、布帛を製造する時の加工流れ方向と直交する方向であることを示している。 As shown in FIG. 5, the length direction L of the cloth 1 is the same as the processing flow direction at the time of manufacturing the cloth 1, and the width direction W of the cloth 1 is the processing flow at the time of manufacturing the cloth. This indicates that the direction is orthogonal to the direction.
図１に示すように、前記２本の導電糸３のうち一方の導電糸５は前記布帛１の長さ方向Ｌと平行になるように刺繍され、前記２本の導電糸３のうち他方の導電糸６は前記布帛１の幅方向Ｗと平行になるように刺繍されることが好ましく、布帛１の大きな面状で液体濡れも検知することができる。 As shown in FIG. 1, one conductive yarn 5 of the two conductive yarns 3 is embroidered so as to be parallel to the length direction L of the cloth 1, and the other of the two conductive yarns 3 is embroidered. The conductive yarn 6 is preferably embroidered so as to be parallel to the width direction W of the cloth 1, and the large surface of the cloth 1 can detect liquid wetting.
図５に示すように、前記２本の導電糸３のうち一方の導電糸５は前記布帛１の幅方向Ｗの一方の端部側Ｓに刺繍されることが好ましい。また、図６に示すように、前記２本の導電糸３のうち他方の導電糸６は前記布帛１の長さ方向Ｗの一方の端部側Ｒに刺繍されることが好ましい。前記布帛１をベットシーツに用いる場合、布帛１の幅方向Ｗの一方の端部側Ｓと布帛１の長さ方向Ｌの一方の端部側Ｒに刺繍することができ、人が座らない位置に２本の導電糸３を刺繍することができ、導電糸３に人が触れることなく、安全性に優れることができる。 As shown in FIG. 5, one of the two conductive yarns 3 is preferably embroidered on one end side S in the width direction W of the cloth 1. In addition, as shown in FIG. 6, it is preferable that the other conductive yarn 6 of the two conductive yarns 3 is embroidered on one end side R in the length direction W of the cloth 1. When the cloth 1 is used as a bed sheet, embroidery can be performed at one end side S in the width direction W of the cloth 1 and one end side R in the length direction L of the cloth 1 so that a person does not sit. In this case, two conductive threads 3 can be embroidered, and the safety can be achieved without touching the conductive threads 3 by a person.
前記２本の導電糸３を刺繍するときの注意点としては、前記２本の導電糸３が交差する交差点手前で２本の導電糸３が接触しないように刺繍を終える、又は、前記２本の導電糸３が交差する交差点手前から２本の導電糸３が接触しないように刺繍し始める、又は、例えば、前記２本の導電糸３のうち一方の導電糸５を刺繍した後に、前記２本の導電糸３のうち他方の導電糸６を刺繍し始める位置を前記２本の導電糸３が交差する交差点手前から２本の導電糸３が接触しないように刺繍することが好ましい。いずれにしても、２本の導電糸３が接触しないようにすることが水濡れを検知できる点から好ましい。 When the two conductive yarns 3 are embroidered, the embroidery may be terminated such that the two conductive yarns 3 do not come in contact with each other before the intersection where the two conductive yarns 3 intersect, or The embroidery starts so that the two conductive yarns 3 do not come into contact with each other before the intersection where the conductive yarns 3 intersect, or, for example, after embroidering one conductive yarn 5 of the two conductive yarns 3, It is preferable to embroider the position where the other conductive yarn 6 of the three conductive yarns 3 starts to be embroidered so that the two conductive yarns 3 do not come into contact with each other from just before the intersection where the two conductive yarns 3 intersect. In any case, it is preferable to prevent the two conductive yarns 3 from coming into contact with each other from the viewpoint that water wetting can be detected.
水濡れを検知する方法としては、前記２本の導電糸３のうち一方の導電糸５もしくは前記２本の導電糸３のうち他方の導電糸６のどちらか一方に電気を流しておき、前記２本の導電糸３のうち一方の導電糸５と前記２本の導電糸３のうち他方の導電糸６とは接触しないことが条件である。前記２本の導電糸３のうち一方の導電糸５と前記２本の導電糸３のうち他方の導電糸６とが導通したらＬＥＤランプを点灯させるようにすることで、液体濡れを検知することができる。前記布帛１の表面に液体が濡れると、布帛１に用いている芯鞘型導電糸２の非導電性と吸水性を有する鞘部８に液体が浸透して、さらに芯部７（導電糸からなる芯糸）へ液体が浸透し、芯鞘型導電糸２の非導電性と吸水性を有する鞘部８に浸透した液体が前記２本の導電糸３のうち一方の導電糸５及び前記２本の導電糸３のうち他方の導電糸６にまで到達すると、前記２本の導電糸３のうち一方の導電糸５及び前記２本の導電糸３のうち他方の導電糸６とが導通することができる。 As a method for detecting water wetting, electricity is applied to either one of the two conductive yarns 3 of the two conductive yarns 3 or the other conductive yarn 6 of the two conductive yarns 3, The condition is that one of the two conductive yarns 3 does not come into contact with the other conductive yarn 6 of the two conductive yarns 3. Detecting liquid wetting by turning on an LED lamp when one conductive yarn 5 of the two conductive yarns 3 and the other conductive yarn 6 of the two conductive yarns 3 conduct. Can be. When the liquid wets the surface of the cloth 1, the liquid penetrates into the non-conductive and water-absorbing sheath 8 of the core-sheath type conductive yarn 2 used for the cloth 1, and further the core 7 (from the conductive yarn). The liquid penetrates into the non-conductive and water-absorbing sheath portion 8 of the core-sheath type conductive yarn 2 and the liquid penetrates into one of the two conductive yarns 3 and 2. When reaching the other conductive yarn 6 of the two conductive yarns 3, one conductive yarn 5 of the two conductive yarns 3 and the other conductive yarn 6 of the two conductive yarns 3 conduct. be able to.
前記布帛１をベットシーツとして使用すると、尿漏れなどの液体が付着した場合、布帛１の表面に液体が浸透し、ベットシーツの液体濡れを検出することができる。 When the cloth 1 is used as a bed sheet, when a liquid such as urine leakage adheres, the liquid permeates the surface of the cloth 1 and liquid wetting of the bed sheet can be detected.
次に、本発明の具体的実施例について説明するが、本発明はこれら実施例のものに特に限定されるものではない。 Next, specific examples of the present invention will be described, but the present invention is not particularly limited to these examples.
＜使用材料＞
導電糸３・・・・銀メッキ糸（大阪電気工業株式会社製、ｏｄｅｘ、７０ｄ×３）
芯鞘型導電糸２・・・銀メッキ糸（大阪電気工業株式会社製、ｏｄｅｘ、７０ｄ×３）の外周面を非導電性と吸水性を有する異形断面糸（帝人フロンティア株式会社製、カルキュロ、ポリエステル、１６７Ｔ４８）を用いて、丸打紐８打で巻き付けた芯鞘型導電糸。
非導電性繊維４・・・ポリエステル（２００ｄ）
<Material used>
Conductive thread 3 ··· Silver-plated thread (Odex, 70d × 3, manufactured by Osaka Electric Industry Co., Ltd.)
Core-sheath type conductive yarn 2 ... a non-conductive and water-absorbing modified cross-section yarn (manufactured by Teijin Frontier Co., Ltd., Calculo, A core-sheath type conductive yarn wound with 8 round hitting strings using polyester, 167T48).
Non-conductive fiber 4 ... polyester (200d)
＜実施例１＞
経糸としては芯鞘型導電糸２を５ｃｍ間隔、芯鞘型導電糸２と芯鞘型導電糸２との間には非導電性繊維４を用い、緯糸としては芯鞘型導電糸２を５ｃｍ間隔、芯鞘型導電糸２と芯鞘型導電糸２との間には非導電性繊維４を用い、平織で織り、布帛１を得た。次に、走行ミシンで経糸の隣り合う前記芯鞘型導電糸２と前記芯鞘型導電糸２との間に１本の導電糸３（５）を刺繍し、緯糸の隣り合う前記芯鞘型導電糸２と前記芯鞘型導電糸２との間にもう１本の導電糸３（６）を刺繍し、図１に示す布帛１を得た。なお、１本の導電糸３（５）ともう1本の導電糸３（６）とは接触していなかった。
<Example 1>
As the warp, the core-sheath type conductive yarn 2 is spaced 5 cm apart, the non-conductive fiber 4 is used between the core-sheath type conductive yarn 2 and the core-sheath type conductive yarn 2, and the core-sheath type conductive yarn 2 is 5 cm as the weft. A nonwoven fabric 4 was used between the core-sheath type conductive yarn 2 and the core-sheath type conductive yarn 2, and woven in a plain weave to obtain a fabric 1. Next, one conductive yarn 3 (5) is embroidered between the core-sheath type conductive yarn 2 adjacent to the warp and the core-sheath type adjacent to the weft by a running sewing machine. Another conductive yarn 3 (6) was embroidered between the conductive yarn 2 and the core-sheath type conductive yarn 2 to obtain the fabric 1 shown in FIG. Note that one conductive yarn 3 (5) and another conductive yarn 3 (6) were not in contact with each other.
上記のようにして得られた布帛に対して、下記評価方法に基づいて評価を行った。 The fabric obtained as described above was evaluated based on the following evaluation method.
＜ひび割れ性評価法＞
得られた布帛の電気抵抗値をテスターで測定した。次に、得られた布帛を手で１００回曲げた後、電気抵抗値を測定し、曲げ試験前と曲げ試験後の電気抵抗値の範囲が５％未満の範囲内であれば「○」、それ以外であれば「×」とし、「○」以上を合格とした。
<Crack evaluation method>
The electric resistance value of the obtained fabric was measured with a tester. Next, the obtained fabric was bent 100 times by hand, and then the electric resistance was measured. If the range of the electric resistance before and after the bending test was less than 5%, "O"; Otherwise, it was rated "x" and "o" or more was considered acceptable.
＜導通性評価法＞
走行ミシンで刺繍した導電糸に電気を流して、刺繍した部分の芯鞘型導電糸の導電性を有する芯部に電気が流れていれば「○」、電気が流れていなければ「×」とし、「○」以上を合格とした。
<Conductivity evaluation method>
Electricity is applied to the conductive thread embroidered by the traveling sewing machine, and "○" indicates that electricity is flowing to the conductive core of the core-sheath type conductive thread in the embroidered part, and "x" indicates that no electricity is flowing. , “O” or higher was judged as a pass.
＜水濡れ検知評価法＞
本願発明の実施例１で作成した布帛１の２本の導電糸３のうち一方の導電糸５もしくは前記２本の導電糸３のうち他方の導電糸６のどちらか一方に電気を流しておき、前記２本の導電糸３のうち一方の導電糸５と前記２本の導電糸３のうち他方の導電糸６とが導通したらＬＥＤランプを点灯する電気回路を取り付け、液体が濡れていることが分かる簡易装置を構築してから、水濡れ検知評価を行った。本願発明の実施例１で作成した布帛の表面側に水を１０ｍｌ滴下し、１分後にＬＥＤランプが点灯したものを「○」、ＬＥＤランプが点灯しなかったものを「×」とし、「○」以上を合格とした。なお、水を滴下する位置としては、２本の導電糸の真ん中で、かつ、芯鞘型導電糸の上に水を滴下した。
<Water wetness detection evaluation method>
Electricity is supplied to one of the two conductive yarns 5 of the two conductive yarns 3 of the fabric 1 prepared in the first embodiment of the present invention or one of the other conductive yarns 6 of the two conductive yarns 3. When one of the two conductive yarns 3 and the other conductive yarn 6 of the two conductive yarns 3 conduct, an electric circuit for turning on the LED lamp is attached, and the liquid is wet. After constructing a simple device that can understand the above, the water wetness detection evaluation was performed. 10 ml of water was dropped on the surface side of the fabric prepared in Example 1 of the present invention, and one minute after the LED lamp was turned on, “○” was given. The above was considered as a pass. In addition, as a position where water was dropped, water was dropped in the middle of the two conductive yarns and on the core-sheath type conductive yarn.
本発明の実施例１の布帛は、ひび割れもなく、電気絶縁糸材料で被覆されている導電糸と導電糸とを導通させることにより、水濡れも検知することができた。 The cloth of Example 1 of the present invention was free from cracks, and was able to detect water wetting by conducting the conductive yarn covered with the electrically insulating yarn material and the conductive yarn.
本発明に係る芯鞘型導電糸からの導通方法は、例えば、大きな面積で液体濡れを検知したいシーツ、耐洗濯性が求められる商材に好適に使用することができる。 The method of conducting from the core-sheath type conductive yarn according to the present invention can be suitably used, for example, in sheets where liquid wetting is to be detected in a large area, or in a product requiring washing resistance.
１・・・布帛
２・・・芯鞘型導電糸
３・・・導電糸
４・・・非導電性繊維
５・・・２本の導電糸のうち一方の導電糸
６・・・２本の導電糸のうち他方の導電糸
７・・・導電性を有する芯部
８・・・非導電性と吸水性を有する鞘部
Ｗ・・・幅方向
Ｌ・・・長さ方向
Ｓ・・・布帛の幅方向の端部側
Ｒ・・・布帛の長さ方向の端部側
DESCRIPTION OF SYMBOLS 1 ... Cloth 2 ... Core-sheath type conductive yarn 3 ... Conductive yarn 4 ... Non-conductive fiber 5 ... One conductive yarn among two conductive yarns 6 ... 2 The other conductive yarn among the conductive yarns 7: Conductive core 8: Non-conductive and water-absorbing sheath W: Width direction L: Length direction S: Cloth End side in the width direction of R End side in the length direction of the fabric
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2021121697A (en) * | 2020-01-31 | 2021-08-26 | 住江織物株式会社 | Water/oil determination cloth |
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| JPS4859885U (en) * | 1971-11-12 | 1973-07-30 | ||
| JPS4828035B1 (en) * | 1970-09-17 | 1973-08-28 | ||
| JPS62101299U (en) * | 1985-12-17 | 1987-06-27 | ||
| JP3021280U (en) * | 1995-08-03 | 1996-02-20 | グンゼ株式会社 | Structure of health maintenance body |
| JP2000139983A (en) * | 1998-11-04 | 2000-05-23 | Gunze Ltd | Incontinence sensor and sheet, fabric diaper, incontinence protector and diaper cover with incontinence sensor |
| JP2016123549A (en) * | 2014-12-26 | 2016-07-11 | 日本毛織株式会社 | Liquid detection cloth |
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| JPS4828035B1 (en) * | 1970-09-17 | 1973-08-28 | ||
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| JP3021280U (en) * | 1995-08-03 | 1996-02-20 | グンゼ株式会社 | Structure of health maintenance body |
| JP2000139983A (en) * | 1998-11-04 | 2000-05-23 | Gunze Ltd | Incontinence sensor and sheet, fabric diaper, incontinence protector and diaper cover with incontinence sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2021121697A (en) * | 2020-01-31 | 2021-08-26 | 住江織物株式会社 | Water/oil determination cloth |
| JP7422379B2 (en) | 2020-01-31 | 2024-01-26 | 住江織物株式会社 | water and oil judgment cloth |
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