EP2325360B1 - Strickware mit Feuchtigkeitssensor - Google Patents
Strickware mit Feuchtigkeitssensor Download PDFInfo
- Publication number
- EP2325360B1 EP2325360B1 EP10191054.5A EP10191054A EP2325360B1 EP 2325360 B1 EP2325360 B1 EP 2325360B1 EP 10191054 A EP10191054 A EP 10191054A EP 2325360 B1 EP2325360 B1 EP 2325360B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- knitted
- electrically conductive
- material according
- thread
- knitted material
- Prior art date
- Legal status (The legal status 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 status listed.)
- Not-in-force
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/22—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
- D04B1/24—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration wearing apparel
- D04B1/243—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration wearing apparel upper parts of panties; pants
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/22—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
- D04B1/225—Elongated tubular articles of small diameter, e.g. coverings or reinforcements for cables or hoses
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/02—Moisture-responsive characteristics
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/16—Physical properties antistatic; conductive
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2403/00—Details of fabric structure established in the fabric forming process
- D10B2403/02—Cross-sectional features
- D10B2403/024—Fabric incorporating additional compounds
- D10B2403/0243—Fabric incorporating additional compounds enhancing functional properties
- D10B2403/02431—Fabric incorporating additional compounds enhancing functional properties with electronic components, e.g. sensors or switches
Definitions
- the invention relates to a knitted fabric with a basic knitted fabric, in which a basic thread is processed and which in itself can have any pattern and / or construction corresponding to the respective application.
- textile moisture metering devices which consist of woven fabric, are interwoven in the electrically conductive and electrically not well conductive threads so that are between electrically conductive threads each electrically not well conductive threads. As the electrical resistance changes under the action of moisture, the presence of moisture in the tissue can be detected by monitoring the electrical conductivity in the tissue between the electrically conductive threads.
- a fabric has intersecting weft and warp thread systems, the threads of which are not only firmly interlocked with one another at the binding points, but are also easily accessible from the fabric edge for connection purposes of electrical lines.
- the threads of which are not only firmly interlocked with one another at the binding points, but are also easily accessible from the fabric edge for connection purposes of electrical lines.
- the stitches formed by the respective thread are hooked to each other at their mesh loops and therefore variable under stress both in size and against each other. Findings and experience in woven goods can therefore not be readily transferred to a knitted fabric.
- a knitted fabric in which at least one electrically conductive yarn is knitted such that at least one sensor region is formed, which emits depending on external influences for such characteristic electrical signals, the externally accessible electrical connection means a corresponding signal processing receiver can be supplied.
- signals may be indicative of, for example, the appearance of moisture in the knitwear.
- the knitwear itself can be made up in the form of blankets, coverings and the like, but also in the form of garments, including incontinence pants, with sensor areas each being arranged at a location which is suitable for signal recording and transmission.
- a flexible information infrastructure is integrated in the knitted fabric, collects the information of interest in the environment of the knitted fabric, processed and transmitted.
- the knitwear may for this purpose contain sensors for monitoring physical quantities of the wearer, for example heartbeat, pulse, body temperature, etc., in which electrically conductive fibers are processed.
- the describes DE 601 28 828 C2 a moisture remote signaling system useful with absorbent articles such as gowns, diapers, child training pants, feminine and personal care products, incontinence garments, and the like, wherein the absorbent articles may be made of nonwoven, woven or knitted fabric.
- the sensor itself, for example, indicates a transition of each monitored area from a dry to a wet state, may be electronic, mechanical or chemical nature.
- the object of the invention is to remedy the problem described at the outset even with a knitted fabric and in particular also with garments and the like, which contain a knitted fabric or from this in whole or in part are made.
- the knitted fabric according to the invention has the features of claim 1.
- the knitted fabric is worked with a, as already mentioned, any basic knit, which contains at least one thread made of a material that changes its electrical resistance under the action of moisture. It is provided with an incorporated moisture sensor having at least two spaced apart, electrically conductive electrodes between which rows of stitches or rods of the basic knit and each containing at least one electrically conductive thread that is entangled with the basic knit and each with externally accessible electrical connection means is in electrical connection.
- the arrangement is such that at least two electrodes are formed in a comb-like manner with a first part extending in the wale direction and second parts extending therefrom in the course of the stitching, the two electrodes being interdigitated with their second parts.
- the weft-extending part of an electrode can be formed, at least in regions, from meshes in each of which an electrically conductive thread is knitted and which communicate with one another.
- the electrically conductive threads are both mechanically anchored by the mesh structure of the knitted fabric and held in solid mutual electrical contact, so that a continuous electrical contact path results.
- This can be done in mesh at least one wale of the wale extending in the electrode portion each individual pieces of thread of an electrically conductive thread be knitted, the thread pieces of adjacent stitches in the mesh in known electrical contact with each other.
- the electrically conductive thread may be at least in the region of the respective electrode to a base thread of the base knit be plated. This usually requires that, at least in the area of the wale-wise extending electrode parts, cut ends of the electrically conductive thread occur. Such thread ends can be avoided if the electrodes are at least partially worked in intarsia technique, ie contain meshes in which the electrically conductive thread is knitted and which are combined in intarsia technology with the basic knit. Intarsia technology is understood to be a knitting technology known per se. Examples of this intarsia technique can be found, for example, in " Knitting Course Dubied ", Eduard Dubied & Cie SA Neucbirtel, Switzerland, 1967 ,
- the electrodes containing the electrically conductive thread may be used in any convenient pattern, i. Mesh distribution and stitching can be knitted.
- the electrically conductive thread can be afloat in wale or course direction via one or more stitches.
- a particularly advantageous application of the new knitwear is that it is part of a garment in which the action of moisture is to be monitored.
- This garment may be a pair of pants in which formed by the knitted fabric with the built-in moisture sensor, a gusset area.
- the knitted fabric with the incorporated moisture sensor can be covered on at least one side by a moisture-permeable textile material, for example made of cotton fibers.
- the electrical connection means for the electrodes of the moisture sensor of the new knitwear can be designed according to the particular application.
- the connection means may include terminals, connectors and the like, which allow the connection of electrical lines. These also include immediate signal generator in the form of small transmitters, Bluetooth devices and the like, which can be attached directly to the garment and emit signals wirelessly that can be received by a corresponding receiver.
- the electrical connection means are expediently electrically connected to the electrically conductive threads of the electrodes electrical lines.
- Each of the electrical lines advantageously has a flexible electrically conductive yarn which is knitted with an electrically insulating yarn.
- the arrangement can advantageously be such that at least two lines each consisting of an electrically conductive yarn and its rewiring of electrically insulating yarn Formation of a flexible multi-core textile cable with a common protective sheath are knit.
- the result is a two- or multi-wire textile "wire", with which the electrical connection is established.
- the advantage of this textile wire compared to otherwise known Litz wire or lines lies in its textile behavior. The fact that it consists of textile threads, the wire is extremely flexible and elastic. He has extremely small bending radii and is at worst perceived as a string.
- connection of the electrically conductive yarn or of the textile wire or cable containing it to the electrodes can be carried out in various ways per se. It must only be guaranteed a perfect electrical contact.
- the electrically conductive yarn of the electrical line can be knotted with the electrically conductive thread of the respective electrode.
- the ends of the conductive wire-containing conductive wire may also be connected, for example by means of a hook-and-loop fastener, to the electrically conductive yarn ends of the electrodes, or else the conductive yarn may be sewn firmly to the electrodes, to mention only some particularly useful embodiments.
- the shape of the comb-like interdigitated electrodes of the humidity sensor is to be chosen with regard to the expected effect of moisture in the particular application. Since the electrodes are formed by mesh-knitted electrically conductive filaments, any suitable patterning in the fabrics can be chosen which ensures optimum localization and distribution of the electrically conductive filaments in the area to be monitored.
- the comb-like interdigitated electrodes can also have further ramifications, which extend over several courses and sticks. It is also not absolutely necessary that the electrical pathways of the electrodes formed by electrically conductive threads in the knitted fabric extend exactly in wale or course row direction. By appropriate patterning even diagonally to the wales and rows running conductor tracks, or circular or wavy tracks can be produced with little effort.
- trousers 1 is formed with an incorporated moisture sensor and a so-called. Incontinence pants. It consists of an appropriate textile material, preferably a knit fabric and has two leg parts 2 and a collar 3. In the area between the two leg parts 2 gusset area a gusset 4 is inserted, which consists of a in the FIGS. 5, 6 shown knitted fabric, in which a moisture sensor 5 is incorporated. The knitted gusset 4 is sewn into the pants 1 or connected in an otherwise appropriate manner at the edge of this.
- the gusset 4 consists of a basic knit of an entangled for example in right-left binding base thread 6, as shown in the FIGS. 5, 6 is shown in sections.
- the ground yarn 6 consists of a fiber material that changes its electrical resistance under the action of moisture. Such a fiber material is for example cotton.
- the electrical conductivity of the fibers is very much determined by their moisture content, the electrical resistance decreasing with increasing humidity.
- Fiber materials with similar properties include viscose, acetate, hemp fibers (linen), but also synthetic fiber materials.
- each of the electrodes 7 includes an electrically conductive thread 8, which in the FIGS. 5, 6 is shown dark.
- Electrically conductive textile threads are commercially available in various embodiments. They are usually constructed in the form of yarns, the copper or Silbermonofilrait small diameter (for example 10-30 microns and less) and textile threads, which are optionally twisted together. Examples of such electrically conductive yarns are in EP 0 816 543 B1 and the WO 093/24689 described.
- the two electrodes 7 are each rows of stitches and / or wales of the basic knit, so that with the help of the electrodes 7, the moisture of the pants 1 in the region of the gusset 4 can be detected. This is done in such a way that the electrical resistance between the two electrodes 7 is measured. Since, as mentioned, the electrical conductivity of the fiber material increases in the lying between the electrodes 7 parts of the base yarn 6 basic knitting with increasing moisture content, the measured between the electrodes 7 electrical resistance decreases with increasing moisture accordingly.
- the electrically conductive thread of the electrodes 7 is in each case electrically connected to externally accessible electrical connection means, which in turn establish a connection to a monitoring and / or signal station. If the measured electrical resistance between the electrodes 7 falls below a threshold value, a signal may be applied, e.g. be sent directly to the nurses' room of the nursing station.
- FIGS. 5 and 6 each illustrate a section of an electrode 7, approximately in the in Fig. 3 13 designated area in which a second electrode part 10 from a first electrode part 8 goes off.
- the figures show the knitting technology structure of the electrodes. 7
- the electrically conductive thread 8 is plated on the main thread 6.
- the wale-wise extending first electrode member 80 is composed of separate pieces of the electrically conductive thread 8 which are knitted in the stitches of two adjacent wales 14. The length of these thread pieces is dimensioned such that in the regions of the electrode 7, in which only the first electrode part 8 is present, the thread pieces each substantially extend over two adjacent stitches of each stitch row, while in the region of the second, laterally outgoing electrode portions 10, the thread pieces extend, for example, in two adjacent courses over a corresponding length of the respective second electrode portion 10 mesh size.
- the pieces of thread of the electrically conductive thread 8 lying in the stitches of the wales 14 are held in electrical contact with each other in the knitted fabric by the stitch structure, so that over the length of the wales 14 there is a continuous electrical trace up to the connection point 9 FIG. 2 results.
- the electrical contact is in the wale direction via the crossing points in the stitches.
- an electrical line 16 which contains two wires 17, which are electrically connected at the connection points 9 with the electrically conductive threads 8 of the electrodes 7.
- the electrical line 16 is inventively designed as a special textile line. It consists essentially of an electrically conductive yarn 18 ( Fig. 7 ), from which the two wires 17 are formed and which is umtrickt to avoid a short circuit each with an electrically insulating yarn 19.
- the two cores 17 thus insulated from each other are knitted together with their insulation with a further jacket 20.
- the two- or multi-core textile line thus formed has the advantage of pronounced textile behavior over otherwise known strands or lines. Since it consists of textile threads, it is estrem flexible and also elastic. It has very small bending radii.
- connection of the wires 17 with the electrodes 7 at the connection points 9 can, as already mentioned, be done in many ways.
- the electrically conductive yarn of the wires 18 of the line 16 with an end 19 (FIG. Fig. 5, 6 ) of the conductive thread 8 of the respective electrode 7 are linked.
- the end 19 of the conductive thread 8 can also be connected to the conductive yarn of the wires 18 of the line 16 via a hook-and-loop fastener, as shown at 21 in FIG Fig. 5 is indicated.
- the conductive yarn ends of the wires 18 can be easily sewn to the ends of the electrode pieces 8, making electrical contact at the seam.
- the gusset 4 can directly with the basis of FIGS. 5 and 6 be described knitwear inserted into the pants 1. To avoid short circuits due to external influences, however, it is expedient to form the gusset 4 in three layers and, for example, to sew it into the trousers 1 in three layers.
- the seams are in Fig. 1 indicated at 20.
- the two outer layers 4a, 4b, which are knitted, for example, from cotton, cover the middle layer 4 with the sensors 7, as shown in FIG Fig. 4 is shown schematically.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Of Fabric (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009052929A DE102009052929B4 (de) | 2009-11-12 | 2009-11-12 | Strickware mit Feuchtigkeitssensor |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2325360A1 EP2325360A1 (de) | 2011-05-25 |
EP2325360B1 true EP2325360B1 (de) | 2017-05-10 |
Family
ID=43828062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10191054.5A Not-in-force EP2325360B1 (de) | 2009-11-12 | 2010-11-12 | Strickware mit Feuchtigkeitssensor |
Country Status (8)
Country | Link |
---|---|
US (1) | US8171755B2 (ko) |
EP (1) | EP2325360B1 (ko) |
JP (1) | JP2011106084A (ko) |
KR (1) | KR20110052515A (ko) |
CN (1) | CN102121163A (ko) |
DE (1) | DE102009052929B4 (ko) |
IL (1) | IL209123A0 (ko) |
RU (1) | RU2010146090A (ko) |
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EP3904071A3 (de) * | 2020-04-28 | 2022-02-16 | TexoTex UG (haftungsbeschränkt) | Flächenelement |
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EP1162781B1 (en) | 2000-06-09 | 2006-09-06 | Northrop Grumman Corporation | System and method for generation of a signature certificate in a public key infrastructure |
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AU2003221825A1 (en) * | 2002-04-05 | 2003-10-27 | Vikram Sharma | Tubular knit fabric and system |
GB0311320D0 (en) * | 2003-05-19 | 2003-06-25 | Univ Manchester | Knitted transducer devices |
US6854296B1 (en) * | 2004-01-23 | 2005-02-15 | Sara Lee Corporation | Bi-ply fabric construction and apparel formed therefrom |
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-
2009
- 2009-11-12 DE DE102009052929A patent/DE102009052929B4/de not_active Expired - Fee Related
-
2010
- 2010-11-04 IL IL209123A patent/IL209123A0/en unknown
- 2010-11-11 KR KR1020100111886A patent/KR20110052515A/ko not_active Application Discontinuation
- 2010-11-11 RU RU2010146090/12A patent/RU2010146090A/ru not_active Application Discontinuation
- 2010-11-11 US US12/944,362 patent/US8171755B2/en not_active Expired - Fee Related
- 2010-11-11 CN CN2010106107803A patent/CN102121163A/zh active Pending
- 2010-11-12 JP JP2010254286A patent/JP2011106084A/ja active Pending
- 2010-11-12 EP EP10191054.5A patent/EP2325360B1/de not_active Not-in-force
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3904071A3 (de) * | 2020-04-28 | 2022-02-16 | TexoTex UG (haftungsbeschränkt) | Flächenelement |
Also Published As
Publication number | Publication date |
---|---|
DE102009052929A1 (de) | 2011-05-19 |
CN102121163A (zh) | 2011-07-13 |
IL209123A0 (en) | 2011-02-28 |
KR20110052515A (ko) | 2011-05-18 |
RU2010146090A (ru) | 2012-05-20 |
EP2325360A1 (de) | 2011-05-25 |
JP2011106084A (ja) | 2011-06-02 |
US20110132040A1 (en) | 2011-06-09 |
US8171755B2 (en) | 2012-05-08 |
DE102009052929B4 (de) | 2011-12-08 |
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