WO2016165406A1 - 尿布用传感器、其制备方法及尿布 - Google Patents

尿布用传感器、其制备方法及尿布 Download PDF

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Publication number
WO2016165406A1
WO2016165406A1 PCT/CN2016/000146 CN2016000146W WO2016165406A1 WO 2016165406 A1 WO2016165406 A1 WO 2016165406A1 CN 2016000146 W CN2016000146 W CN 2016000146W WO 2016165406 A1 WO2016165406 A1 WO 2016165406A1
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Prior art keywords
diaper
substrate
metal strip
metal
sensor
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PCT/CN2016/000146
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English (en)
French (fr)
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滕玉杰
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深圳市华阳微电子股份有限公司
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Application filed by 深圳市华阳微电子股份有限公司 filed Critical 深圳市华阳微电子股份有限公司
Priority to JP2018505511A priority Critical patent/JP2018512987A/ja
Priority to US15/320,660 priority patent/US20180021183A1/en
Priority to KR1020177033261A priority patent/KR20180022643A/ko
Publication of WO2016165406A1 publication Critical patent/WO2016165406A1/zh

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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
    • A61F13/44—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 radio-opaque material or signalling means for residual material
    • 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
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • 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
    • 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
    • A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/20—Status alarms responsive to moisture
    • 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
    • A61F2013/424—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 having an electronic device

Definitions

  • the present invention relates to a smart diaper, and more particularly to a sensor for a diaper and a method of preparing the same, and a diaper using the same.
  • the diaper according to the present invention generally refers to various paper diapers and diapers. Paper diapers and diapers have been used more and more because of their convenient use, and have become a daily necessities commonly used by infants and the elderly. However, the traditional diaper can not judge from the appearance whether the wearer has defecate, which is often observed by the caregiver, and often causes the wearer to be uncomfortable if the diaper is not changed in time. By providing a sensor in the diaper, an alert signal is issued to the caregiver after the wearer defecates, thereby overcoming the above problems.
  • a diaper sensor is provided with two detecting electrodes on a hydrophilic substrate. After defecation, the hydrophilic substrate becomes wet, and the electrical characteristics between the two detecting electrodes are changed, thereby achieving the purpose of detecting whether or not to defecate.
  • the detecting electrode is usually disposed on the substrate by a printing process or a weaving process, such as: printing conductive silver or conductive carbon on the substrate to form a detecting electrode, or braiding the metal wire on the substrate to form a detecting electrode, which is complicated in processing and high in cost.
  • the existing diaper sensor can only detect whether the wearer has a bowel movement, and cannot distinguish between stool and urine.
  • An object of the present invention is to provide a sensor for a diaper and a method of manufacturing the same to solve the above-described technical drawbacks of the conventional diaper sensor.
  • the invention further provides a diaper employing the diaper sensor.
  • a diaper sensor comprising a detecting electrode and a hydrophilic first substrate, wherein the detecting electrode comprises:
  • a first metal strip disposed on the first surface of the first substrate and having a straight line shape
  • a second metal strip disposed on the first surface of the first substrate on the first side of the first metal strip Separate and parallel from the first metal strip;
  • a third metal strip disposed on the first surface of the first substrate, on the second side of the first metal strip, spaced apart from and parallel with the first metal strip;
  • the first, second, and third metal strips are correspondingly disposed with the first, second, and third conductive connecting portions, and the first through hole is disposed in the middle of the second or third metal strip, and the first through hole is provided with the metal strip Divided into two segments, in order to correspond to the wearer's post-feces, post-urination and pre-feathering states, different electrical characteristics appear between the conductive connections.
  • the first to third conductive connecting portions are adjacent to one end of the first substrate, and the first metal strip between the one end portion and the first conductive connecting portion
  • the belt is provided with a second through hole, and the second through hole divides the first metal strip into two segments.
  • the diaper sensor further includes a second substrate, the second substrate is disposed on the first surface of the first substrate, and the first to third metal strips are sandwiched Between the first and second substrates.
  • the first substrate and/or the second substrate are cloth substrates.
  • the first to third metal strips are aluminum foil strips.
  • a method for preparing a diaper sensor includes:
  • a punch is punched in the middle of an edge metal strip to divide the metal strip into two segments.
  • the method further comprises punching a hole near the end of the intermediate metal strip to divide the metal strip into two sections.
  • the step of disposing the metal foil on the first surface of the first substrate comprises: bonding both ends of the metal foil to the first surface of the first substrate.
  • a diaper according to the present invention comprises a diaper main body, the diaper further comprising the diaper sensor according to any one of the above, wherein the sensor is fixed inside or on the surface of the diaper main body, and is:
  • the first to third metal strips are permeable from the wearer's ankle.
  • the first through hole is between the anus and the genitals of the wearer.
  • the diaper further includes a communication triggering device, the communication triggering device Set includes:
  • An acquisition unit configured to collect electrical characteristics between the first to third conductive connections
  • a processing unit configured to determine, according to the collected electrical characteristics, whether the wearer defecates, and distinguishes between stool and urine;
  • a signal generating unit for periodically generating a set signal
  • the short-range wireless communication unit is configured to send the result generated by the processing unit and the signal generated by the signal generating unit to the monitoring terminal.
  • the senor is a separate device, can be easily combined with existing paper diapers or diapers by means of bonding, inlaying, etc.;
  • the short-distance wireless communication unit is used to realize communication between the communication triggering device and the monitoring terminal, which not only does not require communication fee, but also can monitor whether the wearer exceeds the monitoring area after combining the above-mentioned signal generating unit.
  • Figure 1 is a schematic structural view of some embodiments of the diaper sensor
  • Figure 2 is a cross-sectional view taken along line A-A.
  • the structure of some embodiments of the diaper sensor is schematically shown in Figs. 1-2, in which the second substrate is not shown in Fig. 1 in order to clearly show the internal structure.
  • the present diaper sensor includes a detecting electrode 1 and a hydrophilic first substrate 2.
  • the detecting electrode 1 includes a first metal strip 11, a second metal strip 12, and a third metal strip 13.
  • the first metal strip 11 is disposed on the first surface 21 of the first substrate 2 in a linear shape.
  • the second metal strip 12 is disposed on the first surface 21 of the first substrate 2, and is located on the first side of the first metal strip 11 and spaced apart from the first metal strip 11 (ie, two metal strips) A certain distance apart and parallel.
  • the third metal strip 13 is disposed on the first surface 21 of the first substrate 2, and is located on the second side of the first metal strip 11, It is spaced apart from and parallel to the first metal strip 11.
  • the first, second, and third metal strips 11, 12, and 13 are correspondingly provided with the first, second, and third conductive connecting portions 31, 32, and 33.
  • a first through hole 4 is defined in a middle portion of the second metal strip 12, and the first through hole 4 divides the second metal strip 12 into a first segment 121 and a second segment 122, since only the first segment 121 is connected to the second conductive layer Portion 32 is electrically connected, so only the first segment 121 is the active portion of the second metal strip 12 and the second segment 122 is actually the inactive portion.
  • the first to third metal strips 11, 12, 13 are passed through the wearer's crotch, and the first through hole 4 is between the wearer's anal and genitals, thus, in Figure 1, A portion above the first through hole 4 (hereinafter simply referred to as an upper portion of the substrate) is provided on the female portion of the wearer, and a portion below the first through hole 4 (hereinafter simply referred to as a lower portion of the substrate) is provided on the anus of the wearer.
  • an upper portion of the substrate is provided on the female portion of the wearer
  • a portion below the first through hole 4 hereinafter simply referred to as a lower portion of the substrate
  • the upper portion of the substrate becomes wet, so that the electrical resistance between the first to third metal strips 11, 12, 13 becomes smaller (relative to the time when no bowel movement occurs); and when the wearer squats
  • the lower part of the substrate changes, and due to the partitioning action of the first through hole 4, only the electric resistance between the first and third metal strips 11 and 13 becomes small (relative to the time of no defecation), and the second metal strip
  • the resistance between 12 (referred to as the effective part) and the other metal strips did not change (as opposed to when there was no defecation). Therefore, by identifying the electrical characteristics (resistance or current) between the three conductive connecting portions 31, 32, 33, it is possible to know whether the wearer has a bowel movement and distinguish between stool and urination.
  • first through hole 4 is disposed in the middle of the third metal strip 13, and the above function can also be achieved.
  • the first to third conductive connecting portions 31, 32, 33 are adjacent to one end portion 22 (upper end) of the first substrate 2, in order to avoid a short circuit when the sensor is electrically connected to other devices,
  • a second through hole 5 is formed in the first metal strip between the one end portion 22 and the first conductive connecting portion 31, and the second through hole 5 divides the first metal strip 11 into two segments.
  • the above diaper sensor further includes a second substrate 6, the second substrate 6 is disposed on the first surface of the first substrate 2, and the first to third metal strips 11, 12, 13 are sandwiched by the first And between the second substrate 2, 6.
  • the first substrate 2 is preferably a cloth substrate, and other hydrophilic substrates such as a paper substrate or the like may be used.
  • the second substrate 6 is preferably a substrate, and other substrates such as a paper substrate or the like may be used.
  • the first to third metal strips 11, 12, 13 are preferably aluminum foil strips.
  • the three metal strips constituting the detecting electrode are parallel to each other, It is formed by a hob die-cutting process without using a complicated and costly molding process such as printing and weaving. The preparation process will be further described below.
  • a method for preparing a diaper sensor includes:
  • a punch is punched in the middle of an edge metal strip (i.e., the second metal strip or the third metal strip described above) to form the first through hole to divide the metal strip into two segments.
  • the metal foil is disposed on the first surface of the first substrate by bonding.
  • a metal foil is placed on the first surface of the first substrate, and fixed at both ends with adhesive tape.
  • the above-mentioned sensor can be easily combined with an existing paper diaper or a diaper by an assembly method such as sticking or inlay to constitute a smart diaper.
  • a diaper comprising a diaper main body and the above-described diaper sensor, the sensor being fixed inside or a surface of the diaper main body, and enabling: the first to third metal strips to pass through the wearer's crotch portion; And the first through hole is between the anus and the genitals of the wearer.
  • the diaper further includes a communication triggering device that is detachable from the diaper.
  • the communication triggering device comprises: an acquisition unit, configured to collect electrical characteristics between the first to third conductive connections; and a processing unit, configured to determine, according to the collected electrical features, whether the wearer defecates, and distinguish between stool and urine a signal generating unit for periodically generating the set signal; and a medium-and short-range wireless communication unit for transmitting the result generated by the processing unit and the signal generated by the signal generating unit to the monitoring terminal.
  • the medium and short-range wireless communication unit mentioned herein may be a Bluetooth module, or a WIFI module, or an NFC (Near Field Communication) module, or an RFID (Radio Frequency Identification) module, or may be among them. Two or more.
  • the monitoring terminal mentioned here may be a smart phone, a tablet computer or the like.
  • the above communication triggering device can be reused, and the sensor is a disposable item.
  • the above-mentioned signal generating unit is combined with the medium-and short-range wireless communication unit to periodically generate an alarm signal when the wearer exceeds the monitoring area by periodically transmitting the set signal to the monitoring terminal. Specifically, When the wearer moves out of the coverage of the short-range wireless communication module, the monitoring terminal will not be able to receive the set signal, thereby generating an alarm signal, prompting the guardian that the diaper wearer is beyond the monitoring area.

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  • Engineering & Computer Science (AREA)
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  • Heart & Thoracic Surgery (AREA)
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  • Life Sciences & Earth Sciences (AREA)
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Abstract

尿布用传感器及采用该传感器的尿布，包括检测电极（1）和亲水性的第一基片（2），检测电极（1）包括：设置在第一基片（2）的第一表面、呈直线状的第一金属条带（11），位于第一金属条带（11）两侧且与其平行的第二、三金属条带（12、13），第一至三金属条带（11-13）对应设置第一至三导电连接部（31-33），第二或第三金属条带（12、13）的中部设置第一通孔（4），第一通孔（4）将该金属条带分割成两段。该传感器的制备方法包括：在第一基片（2）的第一表面设置金属箔；采用滚刀模切工艺去除金属箔的一部分形成三条金属条带（11-13）；再冲制出第一通孔（4）。传感器在检测排便与否的同时能够区分大便和小便，且制作工艺简单，成本低。

Description

尿布用传感器、其制备方法及尿布 技术领域
本发明涉及智能尿布，更具体地说，涉及尿布用的传感器及其制备方法，以及采用这种传感器的尿布。
背景技术
本发明所述的尿布泛指各种纸尿布和纸尿裤。纸尿布及纸尿裤由于具有使用方便的特点，已越来越多地被使用，成为婴儿及老人常用的日用品。但是传统的尿布无法从外表来判断佩戴者是否已经排便，需要看护者经常观察，而且经常会造成未及时更换尿布而导致佩戴者不适的情况。通过在尿布设置传感器，当佩戴者排便后发出报警信号提示看护者，从而能够克服上述问题。
一种尿布用传感器是在亲水性基片上设置两个检测电极，排便后，亲水性基片变湿，使两个检测电极之间的电气特征发生改变，从而达到检测是否排便的目的。检测电极通常采用印刷工艺或编织工艺设置于基片上，如：在基片上印刷导电银或导电碳形成检测电极，或将金属线编织于布基片上形成检测电极，这些加工工艺复杂，成本较高。此外，现有的尿布用传感器仅仅能检测到佩戴者是否排便，对于大便和小便则无法区分。
发明内容
本发明的目的是提供一种尿布用传感器及制备方法，以解决现有尿布传感器存在的上述技术缺陷。
本发明进一步提供了采用该尿布传感器的尿布。
本发明的具体技术方案如下：
一种尿布用传感器，包括检测电极和亲水性的第一基片，其中，所述检测电极包括：
第一金属条带，设置在第一基片的第一表面，呈直线状；
第二金属条带，设置在第一基片的第一表面，位于第一金属条带的第一侧， 与第一金属条带隔开且平行；以及
第三金属条带，设置在第一基片的第一表面，位于第一金属条带的第二侧，与第一金属条带隔开且平行；
所述第一、二、三金属条带对应设置第一、二、三导电连接部，所述第二或第三金属条带的中部设置第一通孔，第一通孔将该金属条带分割成两段，以便对应佩戴者大便后、小便后和大小便前三种状态，所述导电连接部之间出现不同的电气特征。
在上述的尿布用传感器中，优选地，所述第一至第三导电连接部靠近第一基片的一个端部，在所述一个端部和第一导电连接部之间的第一金属条带上设置第二通孔，第二通孔将第一金属条带分割成两段。
在上述的尿布用传感器中，优选地，所述尿布用传感器还包括第二基片，第二基片设置于第一基片的第一表面，第一至第三金属条带被包夹于第一和第二基片之间。
在上述的尿布用传感器中，优选地，所述第一基片和/或第二基片为布基片。
在上述的尿布用传感器中，优选地，所述第一至第三金属条带为铝箔条带。
一种尿布用传感器制备方法包括：
在第一基片的第一表面设置金属箔；
采用滚刀模切工艺去除所述金属箔的一部分，使第一基片的第一表面形成相互隔开且平行的三条金属条带；以及
在一条边缘金属条带的中部冲孔，以便将该金属条带分割成两段。
在上述的尿布用传感器制备方法中，优选地，还包括在中间金属条带的靠近一端处冲孔，以便将该金属条带分割成两段。
在上述的尿布用传感器制备方法中，优选地，在第一基片的第一表面设置金属箔的步骤包括：将金属箔的两端粘结固定在第一基片的第一表面。
本发明提供的一种尿布包括尿布主体，该尿布还包括上述任意一项所述的尿布用传感器，该传感器固定在尿布主体内部或表面，且使：
所述第一至第三金属条带能够从佩戴者的胯部穿过；以及
所述第一通孔处于佩戴者的肛部和阴部之间。
在上述的尿布中，优选地，该尿布还包括一个通信触发装置，该通信触发装 置包括：
采集单元，用于采集所述第一至第三导电连接部之间的电气特征；
处理单元，用于根据采集到的电气特征判断佩戴者是否排便、以及区分大便和小便；
信号发生单元，用于周期性产生设定的信号；以及
中短距离无线通信单元，用于将处理单元产生的结果以及信号发生单元产生的信号发送给监测终端。
本发明具有以下优点：
1、不但能够及时地发现佩戴者排便，而且能够区分大便和小便；
2、传感器为一个独立器件，能够通过粘贴、镶嵌等组装方式方便地与现有纸尿布或纸尿裤结合使用；
3、采用滚刀模切工艺在基片上成型检测电极，工艺简单，成本低；
4、采用中短距离无线通信单元实现通信触发装置和监测终端之间的通信，不但无需通信费，而且结合上述信号发生单元后能够对佩戴者是否超出监护区进行监测。
附图说明
图1为本尿布用传感器的一些实施例的结构示意图；
图2为其A-A剖视图。
具体实施方式
下面结合附图和实施例对本发明进一步说明。
图1-2中示意性地表示了尿布用传感器的一些实施例的结构，其中，为了清楚地表示内部结构，图1中没有示出第二基片。如图1-2所示，本尿布用传感器包括检测电极1和亲水性的第一基片2。
检测电极1包括：第一金属条带11、第二金属条带12、第三金属条带13。第一金属条带11设置在第一基片2的第一表面21，呈直线状。第二金属条带12设置在第一基片2的第一表面21，并且：位于第一金属条带11的第一侧，与第一金属条带11隔开(即两条金属条带之间相隔一定距离)且平行。第三金属条带13设置在第一基片2的第一表面21，并且：位于第一金属条带11的第二侧， 与第一金属条带11隔开且平行。
第一、二、三金属条带11、12、13对应设置第一、二、三导电连接部31、32、33。第二金属条带12的中部设置第一通孔4，第一通孔4将第二金属条带12分割成第一段121和第二段122，由于仅第一段121与第二导电连接部32电气连接，所以只有第一段121是第二金属条带12的有效部分，第二段122实际上是无效部分。
使用时，使第一至第三金属条带11、12、13从佩戴者的胯部穿过，并且第一通孔4处于佩戴者的肛部和阴部之间，如此，可将图1中第一通孔4以上的部分(以下简称为基片上部)设置于佩戴者的阴部，第一通孔4以下的部分(以下简称为基片下部)设置于佩戴者的肛部。这样，当佩戴者小便后，基片上部变湿，从而使第一至第三金属条带11、12、13相互之间的电阻变小(相对于未排便时)；而当佩戴者大便后，基片下部发生变化，而由于第一通孔4的隔断作用，此时仅第一、三金属条带11、13之间的电阻变小(相对于未排便时)，第二金属条带12(指有效部分)与其它金属条带之间的电阻未发生变化(相对于未排便时)。因此，通过对三个导电连接部31、32、33之间的电气特征(电阻或电流)进行识别，即可获知佩戴者是否排便，并且能够区分出大便和小便。
可以理解地，将第一通孔4设置在第三金属条带13中部，同样也可实现上述功能。
参照图1，在本实施例中，第一至第三导电连接部31、32、33靠近第一基片2的一个端部22(上端)，为了避免传感器与其它器件电连接时发生短路，在所述一个端部22和第一导电连接部31之间的第一金属条带上设置第二通孔5，第二通孔5将第一金属条带11分割成两段。
进一步，上述尿布用传感器还包括第二基片6，第二基片6设置于第一基片2的第一表面，第一至第三金属条带11、12、13被包夹于第一和第二基片2、6之间。
第一基片2优选布基片，也可以采用其它的亲水性基片，如纸基片等。第二基片6优选布基片，也可以采用其它基片，如纸基片等。
第一至第三金属条带11、12、13优选铝箔条带。
上述传感器中，由于构成检测电极的三个金属条带之间相互平行，使得其可 以通过滚刀模切工艺成型，而不必用采用印刷、编织等复杂且高成本的成型工艺。下面对其制备工艺进一步说明。
一种尿布用传感器制备方法包括：
在第一基片的第一表面设置金属箔；
采用滚刀模切工艺去除所述金属箔的一部分，使第一基片的第一表面形成相互隔开且平行的三条金属条带(即上述的第一至第三金属条带)；以及
在一条边缘金属条带(即上述第二金属条带或第三金属条带)的中部冲孔，以便形成上述的第一通孔将该金属条带分割成两段。
在一些实施例中，进一步还包括在中间金属条带的靠近一端处冲孔，以便形成上述的第二通孔将该金属条带分割成两段。
优选地，通过粘结方式将金属箔设置在第一基片的第一表面。例如：将金属箔放置于第一基片的第一表面，在两端部用胶纸固定。
上述传感器可以通过粘贴、镶嵌等组装方法方便地与现有纸尿布或纸尿裤结合，构成智能尿布。
具体地，一种尿布，包括尿布主体和上述的尿布用传感器，该传感器固定在尿布主体内部或表面，且使：所述第一至第三金属条带能够从佩戴者的胯部穿过；以及所述第一通孔处于佩戴者的肛部和阴部之间。
在一些实施例中，尿布还包括一个通信触发装置，该通信触发装置安装于尿布上可拆卸。该通信触发装置包括：采集单元，用于采集所述第一至第三导电连接部之间的电气特征；处理单元，用于根据采集到的电气特征判断佩戴者是否排便、以及区分大便和小便；信号发生单元，用于周期性产生设定的信号；以及中短距离无线通信单元，用于将处理单元产生的结果以及信号发生单元产生的信号发送给监测终端。这里所说的中短距离无线通信单元可以是蓝牙模块、或WIFI模块、或NFC(Near Field Communication，近场通信)模块、或RFID(Radio Frequency Identification，射频识别)模块，也可以是它们中的两种或多种。这里所说的监测终端可以是智能手机、平板电脑等。上述的通信触发装置可重复使用，而传感器为一次性用品。
上述的信号发生单元与中短距离无线通信单元结合，通过周期性地向监测终端发送设定的信号，可以在佩戴者超出监护区时及时产生报警信号。具体来说， 当佩戴者移动至中短距离无线通信模块的覆盖范围外时，监测终端将无法接收到该设定的信号，从而产生报警信号，提示监护者该尿布佩戴者超出了监护区。
以上结合具体的实施例对本发明做了比较详细的说明，但这些具体的说明不应理解为对本发明保护范围的限制，本领域技术人员根据本发明的说明还可以做出其它的修饰或等同替换等。本发明的保护范围以权利要求书为准。

Claims (10)

  1. 一种尿布用传感器，包括检测电极(1)和亲水性的第一基片(2)，其特征在于：所述检测电极包括
    第一金属条带(11)，设置在第一基片的第一表面(21)，呈直线状；
    第二金属条带(12)，设置在第一基片的第一表面(21)，位于第一金属条带的第一侧，与第一金属条带隔开且平行；以及
    第三金属条带(13)，设置在第一基片的第一表面(21)，位于第一金属条带的第二侧，与第一金属条带隔开且平行；
    所述第一、二、三金属条带对应设置第一、二、三导电连接部(31、32、33)，所述第二或第三金属条带的中部设置第一通孔(4)，第一通孔将该金属条带分割成两段(121、122)，以便对应佩戴者大便后、小便后和大小便前三种状态，所述导电连接部之间出现不同的电气特征。
  2. 根据权利要求1所述的尿布用传感器，其特征在于：所述第一至第三导电连接部(31、32、33)靠近第一基片(2)的一个端部(22)，在所述一个端部(22)和第一导电连接部(31)之间的第一金属条带上设置第二通孔(5)，第二通孔将第一金属条带分割成两段。
  3. 根据权利要求1所述的尿布用传感器，其特征在于：所述尿布用传感器还包括第二基片(6)，第二基片设置于第一基片的第一表面，第一至第三金属条带被包夹于第一和第二基片之间。
  4. 根据权利要求3所述的尿布用传感器，其特征在于：所述第一基片和/或第二基片为布基片。
  5. 根据权利要求1-3中任意一项所述的尿布用传感器，其特征在于：所述第一至第三金属条带(11、12、13)为铝箔条带。
  6. 一种尿布用传感器制备方法，其特征在于包括：
    在第一基片的第一表面设置金属箔；
    采用滚刀模切工艺去除所述金属箔的一部分，使第一基片的第一表面形成相互隔开且平行的三条金属条带；以及
    在一条边缘金属条带的中部冲孔，以便将该金属条带分割成两段。
  7. 根据权利要求6所述的尿布用传感器制备方法，其特征在于，进一步还包括在中间金属条带的靠近一端处冲孔，以便将该金属条带分割成两段。
  8. 根据权利要求6所述的尿布用传感器制备方法，其特征在于，在第一基片的第一表面设置金属箔的步骤包括：将金属箔的两端粘结固定在第一基片的第一表面。
  9. 一种尿布，包括尿布主体，其特征在于，该尿布还包括权利要求1-5中任意一项所述的尿布用传感器，该传感器固定在尿布主体内部或表面，且使：
    所述第一至第三金属条带能够从佩戴者的胯部穿过；以及
    所述第一通孔处于佩戴者的肛部和阴部之间。
  10. 根据权利要求9所述的尿布，其特征在于，该尿布还包括一个通信触发装置，该通信触发装置包括：
    采集单元，用于采集所述第一至第三导电连接部之间的电气特征；
    处理单元，用于根据采集到的电气特征判断佩戴者是否排便、以及区分大便和小便；
    信号发生单元，用于周期性产生设定的信号；以及
    中短距离无线通信单元，用于将处理单元产生的结果以及信号发生单元产生的信号发送给监测终端。
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