WO2013061963A1 - Module électromoteur et article de protection jetable - Google Patents

Module électromoteur et article de protection jetable Download PDF

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Publication number
WO2013061963A1
WO2013061963A1 PCT/JP2012/077359 JP2012077359W WO2013061963A1 WO 2013061963 A1 WO2013061963 A1 WO 2013061963A1 JP 2012077359 W JP2012077359 W JP 2012077359W WO 2013061963 A1 WO2013061963 A1 WO 2013061963A1
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WO
WIPO (PCT)
Prior art keywords
electromotive
electrode
module
absorber
sheet
Prior art date
Application number
PCT/JP2012/077359
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English (en)
Japanese (ja)
Inventor
鈴木　未央
圭 谷本
道関　隆国
亜実 田中
Original Assignee
ユニ・チャーム株式会社
学校法人立命館
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ユニ・チャーム株式会社, 学校法人立命館 filed Critical ユニ・チャーム株式会社
Publication of WO2013061963A1 publication Critical patent/WO2013061963A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/42—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with wetness indicator or alarm
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers

Definitions

  • the present invention relates to an electromotive module and a disposable wearing article provided in a disposable wearing article having an absorber.
  • a wireless transmission module that transmits a wireless signal using the generated electromotive force is activated, and data (specifically, data indicating temperature) is transmitted to a server that detects excretion. Is disclosed.
  • the technique using the electromotive force generated by the contact between the urine and the pair of electrodes described above has the following problems. That is, energy of about 0.9 V / (100 ⁇ A) is required for starting the wireless transmission module, but since the electromotive force due to urine is small, the generated electromotive force must be boosted. Here, if time is required for boosting the electromotive force, transmission of data is delayed, and it is impossible to quickly detect that there is excretion.
  • the electrode provided inside the disposable wearing article is deformed together with the absorber when worn by the wearer, and such a deformation causes a gap between the absorber and the electrode. For this reason, a contact area with an absorber (namely, urine) narrows, and electromotive force falls.
  • an absorber namely, urine
  • the present invention has been made in view of such a situation, and even when the absorber is deformed by wearing, an electromotive force that can continuously generate an electromotive force sufficient to activate a wireless transmission module or the like.
  • the purpose is to provide modules and disposable wearing articles.
  • a first feature of the present invention is an electromotive module (electromotive module 100) provided in a disposable wearing article (disposable diaper 10) having an absorber (absorber 14), using materials having different ionization tendencies.
  • An electromotive electrode (electromotive electrode 110, electromotive electrode 120) configured to generate electromotive force by contact with urine, and a base material (base material 130) on which the electromotive electrode is provided;
  • the electric electrode has an electrode surface (electrode surface 100f) from which the electromotive electrode is exposed, and the electrode surface faces the absorber, and the bending rigidity of the electromotive module and the bending of the absorber
  • the gist of the difference from the rigidity is 0.5N or more and 1.0N or less.
  • the second feature of the present invention is that a liquid-permeable top sheet (top sheet 11), a liquid-impermeable back sheet (back sheet 15), and an absorber provided between the top sheet and the back sheet
  • the electromotive electrode has an electrode surface from which the electromotive electrode is exposed, the electrode surface faces the absorber, and the bending rigidity of the electromotive module The difference from the bending rigidity of the absorber is 0.5N or more and 1.0N or less.
  • FIG. 1 is an overall schematic configuration diagram of an excretion detection system 1 according to an embodiment of the present invention.
  • 1 is a plan development view of a disposable diaper 10 according to an embodiment of the present invention. It is sectional drawing of the disposable diaper 10 along the F3-F3 line
  • wire of FIG. 2 is a functional block configuration diagram of an electromotive module 100 and a wireless transmission module 150 according to an embodiment of the present invention.
  • FIG. FIG. 2 is a perspective view and a cross-sectional view of an electromotive module 100 according to an embodiment of the present invention. It is explanatory drawing about the cause which a difference produces in the ultimate voltage of the electromotive module 100 which concerns on embodiment of this invention.
  • FIG. 1 is an overall schematic configuration diagram of an excretion detection system 1 according to this embodiment.
  • the excretion detection system 1 includes a disposable diaper 10, a wireless relay station 20, and an excretion detection server 30.
  • the disposable diaper 10 is a general open type (tape type).
  • the disposable diaper 10 is equipped with an electromotive module 100 that generates electromotive force by urine and a wireless transmission module 150 that transmits a wireless signal to the wireless relay station 20.
  • the wireless transmission module 150 transmits a wireless signal according to a predetermined wireless communication method to the wireless relay station 20.
  • the wireless transmission module 150 transmits to the wireless relay station 20 a wireless signal indicating that urination has occurred due to the electromotive force obtained by the electromotive module 100 coming into contact with urine.
  • the wireless transmission module 150 may include a temperature sensor (not shown) and the like, and transmit a wireless signal multiplexed with output data from the sensor toward the wireless relay station 20.
  • the excretion detection server 30 receives a signal indicating that a wireless signal is transmitted from the wireless transmission module 150 via the wireless relay station 20.
  • the excretion detection server 30 detects the presence or absence of excretion of the wearer of the disposable diaper 10 based on the signal.
  • FIG. 2 is a plan development view of the disposable diaper 10.
  • FIG. 3 is a cross-sectional view of the disposable diaper 10 taken along line F3-F3 in FIG.
  • the disposable diaper 10 includes a liquid-permeable top sheet 11, a liquid-impermeable back sheet 15, and an absorbent body 14 provided between the top sheet 11 and the back sheet 15.
  • the second sheet 12 is provided between the top sheet 11 and the absorbent body 14, and the absorbent body 14 is covered with the water absorbent paper 13.
  • a back nonwoven fabric 16 is provided outside the back sheet 15.
  • a pair of gathered nonwoven fabrics 17 is provided outside the product width direction W of the absorbent body 14.
  • An elastic member 18 is provided at the free end of the gathered nonwoven fabric 17 along the product longitudinal direction L.
  • each member which comprises the disposable diaper 10 is not specifically limited, For example, the following members can be used.
  • Top sheet 11 Through air nonwoven fabric 25g / m 2 ⁇
  • Second sheet 12 Through air nonwoven fabric 25g / m 2 ⁇
  • Water absorbent paper 13 Tissue (pulp) 17g / m 2
  • Back sheet 15 Polyethylene film 18g / m 2 ⁇
  • Back nonwoven fabric 16 Spunbond nonwoven fabric 17g / m 2 ⁇ Gathered nonwoven fabric 17: Spunbond-Melt-Bron-Spunbonded nonwoven fabric 15g / m 2 ⁇
  • Elastic member 18 Rubber thread 620DTEX Each member is bonded by a hot melt adhesive (7 g / m 2 ) applied in a spiral shape.
  • the second sheet 12, the water absorbent paper 13, the back nonwoven fabric 16, the gathered nonwoven fabric 17, and the elastic member 18 are not necessarily essential.
  • the disposable diaper 10 includes an electromotive module 100 and a wireless transmission module 150.
  • the electromotive module 100 is disposed between the top sheet 11 and the absorber 14, more specifically, the second sheet 12 and the absorber 14.
  • the electromotive module 100 includes a pair of electromotive electrodes, and is disposed along the product longitudinal direction L at the center in the product width direction W.
  • the wireless transmission module 150 is electrically connected to the electromotive module 100.
  • the wireless transmission module 150 is configured to be externally attached to the electromotive module 100.
  • the connection part of the electromotive module 100 with the wireless transmission module 150 has a structure taken out from the back sheet 15 side of the disposable diaper 10, and the wireless transmission module 150 is connected to the connection part.
  • FIG. 4 is a functional block configuration diagram of the electromotive module 100 and the wireless transmission module 150.
  • 5A and 5B are a perspective view and a cross-sectional view of the electromotive module 100.
  • FIG. 4 is a functional block configuration diagram of the electromotive module 100 and the wireless transmission module 150.
  • 5A and 5B are a perspective view and a cross-sectional view of the electromotive module 100.
  • the electromotive module 100 includes a pair of electromotive electrodes 110, electromotive electrodes 120, and a base material 130.
  • the electromotive electrode 110 and the electromotive electrode 120 are electrodes composed of materials having different ionization tendency, and generate electromotive force by contact with the excrement (urine) of the wearer using the principle of the Volta battery. To do.
  • the electromotive electrode 110 and the electromotive electrode 120 have a rectangular sheet shape, and are arranged along the product longitudinal direction L.
  • the substrate 130 is provided with an electromotive electrode 110 and an electromotive electrode 120.
  • the base material 130 supports the electromotive electrode 110 and the electromotive electrode 120 while maintaining a gap between the electromotive electrode 110 and the electromotive electrode 120.
  • the electromotive module 100 has an electrode surface 100f and a substrate surface 100r (see FIG. 5B).
  • the electrode surface 100f is a surface where the electromotive electrode 110 and the electromotive electrode 120 are exposed.
  • the substrate surface 100r is a surface from which the substrate 130 is exposed.
  • the electrode surface 100f faces the absorber 14 (specifically, the absorber 14 covered with the water absorbent paper 13). In other words, consideration is given so that the electromotive electrode 110 and the electromotive electrode 120 can stably come into contact with the absorber 14 that has absorbed urine.
  • the specifications of the electromotive electrode 110, the electromotive electrode 120, and the base material 130 according to the present embodiment are as follows.
  • Electromotive electrode 110 MnO2 + C sheet (4mm wide) ⁇ Base material sheet: PET75 ⁇ m ⁇ MnO2 ⁇ C mix ratio: Manganese powder / carbon ink * ⁇ Upper layer: 33.3 / 66.6% ⁇ Lower layer: 0/100% (2 color printing) * ⁇ Carbon ink composition (60% carbon, 40% resin (polyester) solvent) ⁇ Thickness ⁇ Lower layer: about 12.5 ⁇ m ⁇ Total thickness: approx.
  • Electromotive electrode 120 ⁇ AL sheet (4mm width) ⁇ Film thickness: 50 ⁇ m ⁇ Base material 130 ⁇ Polyethylene terephthalate (PET) ⁇ Film thickness: 75 ⁇ m, 200 ⁇ m, 300 ⁇ m or 400 ⁇ m
  • the base material 130 is a sheet-like member formed using PET, and in this embodiment, the electromotive electrode 110 and the electromotive electrode 120, and the base material 130 are acrylic adhesives. It is adhered using.
  • the electromotive electrode 110 and electromotive electrode 120 may be fixed to the base material 130 by printing or etching instead of adhesion.
  • the width of the electromotive electrode 110 and the electromotive electrode 120 depends on the material and thickness, but when placed inside the disposable diaper 10, if the width is too wide, the wearer of the disposable diaper 10 feels uncomfortable. Learn. In addition, since the film-like sheet is disposed on the absorber 14, the absorption of urine into the absorber 14 is blocked, so that urine residue may be generated on the surface of the electromotive module 100. Conversely, if the width of the electromotive electrode 110 and the electromotive electrode 120 is too narrow, the amount of electromotive force is reduced. Therefore, the width of each electrode is preferably 2 mm or more. Specifically, the width of the electromotive module 100 is preferably 5 mm to 25 mm. Further, the interval (W3) between the electromotive electrode 110 and the electromotive electrode 120 is preferably 1 mm or more.
  • the difference between the bending rigidity of the electromotive module 100 and the absorber 14 is 0.5 N or more. , 1.0N or less is set. Specifically, considering the physical properties of the material, the bending rigidity of the electromotive module 100 is preferably 0.6N or more and 1.0N or less, and the absorber is considered in consideration of the bending rigidity of the electromotive module 100. The bending stiffness of 14 is adjusted.
  • the electromotive module 100 is bonded to the absorber 14 intermittently (for example, at four corners).
  • HMA coated in a spiral shape can be used for adhesion between the electromotive module 100 and the absorber 14.
  • the wireless transmission module 150 includes a power storage unit 151, a control unit 153, and a wireless transmission unit 155.
  • the power storage unit 151 has a capacitor and stores the electromotive force generated by the electromotive module 100.
  • the control unit 153 controls the wireless transmission unit 155 using the electromotive force stored in the power storage unit 151. Further, a temperature sensor (not shown) or the like may be connected to the control unit 153.
  • the radio transmission unit 155 transmits a radio signal multiplexed with data indicating temperature, etc., to the radio relay station 20 based on the control from the control unit 153.
  • Table 1 shows the test results on the electromotive force of the plurality of disposable diapers 10 having different physical properties of the absorber 14 and the electromotive module 100 (base material 130).
  • Electrodes having a width of 4 mm were used, and the electrode interval was set to 1 mm (that is, the total width was 9 mm).
  • the lengths of the electromotive electrode 110 and the electromotive electrode 120 were set to 280 mm, which is the length of the absorber 14, assuming that the urination position varies depending on the sex and posture.
  • the thickness of the PET film sheet of the substrate 130 was changed to 0.075 mm, 0.2 mm, 0.3 mm, and 0.4 mm (75 ⁇ m, 200 ⁇ m, 300 ⁇ m, or 400 ⁇ m).
  • the taper stiffness tester Yamada Seiki Seisakusho was used for the measurement of bending rigidity.
  • FIG. 6A and 6 (b) are explanatory diagrams illustrating the cause of the difference in the ultimate voltage.
  • FIG. 6A shows a cross-sectional shape when the disposable diaper 10 is worn.
  • FIG.6 (b) shows the cross-sectional shape at the time of wear of the disposable diaper of a comparative example.
  • the power storage unit 151 is efficiently activated. You have to store the electricity. Even when the amount of urine is small or when there is little contact of urine with the electromotive electrode 110 and the electromotive electrode 120, it is necessary to efficiently generate electricity.
  • the difference between the bending rigidity of the electromotive module 100 and the bending rigidity of the absorber 14 is set to approximately 0.5 N or more and 1.0 N or less, whereby the electromotive electrode 110 is formed.
  • the electromotive electrode 120 firmly follows the deformation of the absorber 14, even when the absorber 14 is deformed by wearing, an electromotive force sufficient to start the wireless transmission module 150 can be continuously generated. That is, since the power necessary for the operation of the control unit 153 and the wireless transmission unit 155 is quickly stored in the power storage unit 151, the transmission delay of the data indicating the temperature is prevented, and it is possible to quickly detect that there is excretion.
  • the electromotive force can be generated more efficiently by setting the bending rigidity of the electromotive module 100 to 0.6 N or more and 1.0 N or less and the width to 5 mm or more and 25 mm or less. Furthermore, by using a sheet-like member formed using polyethylene terephthalate as the base material 130, the characteristics of the electromotive module 100 as described above can be easily realized.
  • the electromotive module 100 is connected to the wireless transmission module 150, but the wireless transmission module 150 is not necessarily required. Instead of the wireless transmission module 150, it may be connected to a storage device that accumulates temperature sensor data or another measurement system.

Abstract

La présente invention concerne un module électromoteur (100) équipé d'une électrode électromotrice (110) et d'une électrode électromotrice (120) qui sont constituées de matériaux présentant des tendances différentes à l'ionisation et qui génèrent une force électromotrice lorsqu'elles sont mises en contact avec de l'urine, ainsi que d'un matériau support (130) sur lequel sont disposées lesdites électrodes électromotrices. L'électrode électromotrice (110) et l'électrode électromotrice (120) présentent une surface d'électrode (100f) au niveau de laquelle l'électrode électromotrice (110) et l'électrode électromotrice (120) sont apparentes. Un absorbant (14) affleure au niveau de la surface d'électrode (100f), et la différence entre la résistance à la flexion du module électromoteur (100) et celle de l'absorbant (14) varie de 0,5 à 1,0 N.
PCT/JP2012/077359 2011-10-27 2012-10-23 Module électromoteur et article de protection jetable WO2013061963A1 (fr)

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JP2011236535A JP5979847B2 (ja) 2011-10-27 2011-10-27 起電モジュール及び使い捨て着用物品
JP2011-236535 2011-10-27

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JP2016114399A (ja) * 2014-12-12 2016-06-23 国立大学法人東北大学 センサチップ、検出システム、及び、検出方法
US9907707B2 (en) 2011-06-03 2018-03-06 The Procter & Gamble Company Sensor systems comprising auxiliary articles
US10285872B2 (en) 2016-03-03 2019-05-14 The Procter & Gamble Company Absorbent article with sensor
US10292112B2 (en) 2013-08-08 2019-05-14 The Procter & Gamble Company Sensor systems for absorbent articles comprising sensor gates
US11013640B2 (en) 2018-05-04 2021-05-25 The Procter & Gamble Company Sensor devices and systems for monitoring the basic needs of an infant
US11051996B2 (en) 2018-08-27 2021-07-06 The Procter & Gamble Company Sensor devices and systems for monitoring the basic needs of an infant

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JP6327459B2 (ja) * 2014-06-05 2018-05-23 ユニ・チャーム株式会社 起電モジュール、及び、着用物品
US20160120454A1 (en) 2014-11-04 2016-05-05 Stichting Imec Nederland System for monitoring incontinence
US20160120455A1 (en) 2014-11-04 2016-05-05 Stichting Imec Nederland Method for monitoring incontinence
JP2016093209A (ja) * 2014-11-04 2016-05-26 スティヒティング アイメック ネダーランドＳｔｉｃｈｔｉｎｇ ＩＭＥＣ Ｎｅｄｅｒｌａｎｄ 失禁を監視するシステム
KR102404410B1 (ko) * 2017-08-29 2022-06-03 한국전자기술연구원 자가발전 소변 센서 장치 및 이를 채용한 기저귀 장치
JP7122738B2 (ja) * 2018-02-16 2022-08-22 学校法人立命館 吸収部材、吸収部材本体及び電極部材
JP2020006129A (ja) 2018-06-27 2020-01-16 東洋インキＳｃホールディングス株式会社 酵素電池が搭載されたおむつ並びにシステム

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US10271998B2 (en) 2011-06-03 2019-04-30 The Procter & Gamble Company Sensor systems comprising anti-choking features
US11633310B2 (en) 2011-06-03 2023-04-25 The Procter & Gamble Company Sensor systems comprising auxiliary articles
US11452644B2 (en) 2011-06-03 2022-09-27 The Procter & Gamble Company Absorbent articles comprising sensors
US11096837B2 (en) 2011-06-03 2021-08-24 The Procter & Gamble Company Sensor systems comprising auxiliary articles
US10932958B2 (en) 2011-06-03 2021-03-02 The Procter & Gamble Company Absorbent articles comprising sensors
US10869786B2 (en) 2011-06-03 2020-12-22 The Procter & Gamble Company Absorbent articles comprising sensors
US10292112B2 (en) 2013-08-08 2019-05-14 The Procter & Gamble Company Sensor systems for absorbent articles comprising sensor gates
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US10462750B2 (en) 2013-08-08 2019-10-29 The Procter & Gamble Company Sensor systems for absorbent articles comprising sensor gates
JP2016114399A (ja) * 2014-12-12 2016-06-23 国立大学法人東北大学 センサチップ、検出システム、及び、検出方法
US10285871B2 (en) 2016-03-03 2019-05-14 The Procter & Gamble Company Absorbent article with sensor
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