EP3712866A1 - Élément plan flexible - Google Patents

Élément plan flexible Download PDF

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Publication number
EP3712866A1
EP3712866A1 EP20152904.7A EP20152904A EP3712866A1 EP 3712866 A1 EP3712866 A1 EP 3712866A1 EP 20152904 A EP20152904 A EP 20152904A EP 3712866 A1 EP3712866 A1 EP 3712866A1
Authority
EP
European Patent Office
Prior art keywords
wire
flexible sheet
structure according
flexible
tinned copper
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.)
Pending
Application number
EP20152904.7A
Other languages
German (de)
English (en)
Inventor
Harald Katschke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Relytex & Co KG GmbH
Original Assignee
Relytex & Co KG GmbH
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 Relytex & Co KG GmbH filed Critical Relytex & Co KG GmbH
Publication of EP3712866A1 publication Critical patent/EP3712866A1/fr
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/12—Mechanical actuation by the breaking or disturbance of stretched cords or wires

Definitions

  • the invention relates to a flexible flat element according to the preamble of claim 1.
  • Such a flexible surface element generally has a sensor structure with an evaluation unit which is designed to detect incisions in the flexible surface element.
  • These surface elements can thus be used to ensure protection against break-ins, theft and vandalism. In general, this ensures protection of the flexible surface element against unauthorized interference. Accordingly, objects enveloped with the flexible surface element can be protected against unauthorized access.
  • Such a flexible surface element is from WO 2018/113993 known.
  • the flexible surface element described there comprises sensor structures and cut-resistant structures which are incorporated into the flexible surface element by means of a warp knitting machine or Raschel machine as sensor threads or cut-resistant threads as a cut-resistant structure.
  • the cut-resistant structure generally provides mechanical protection against the surface element being pierced by objects such as knives or similar sharp-edged objects.
  • the cut-resistant structures are designed in such a way that only a local piercing into the surface element is possible, but not a large-area separation of the surface element. Furthermore, penetration of the surface element with the sensor structure is detected so that, for example, an alarm signal is generated that reports the unauthorized intervention on the surface element.
  • the invention is based on the object of providing a flexible surface element of the type mentioned at the outset which can be used flexibly and has a high level of functionality.
  • the invention relates to a flexible sheet-like structure with at least one electrically conductive wire forming a sensor structure.
  • the wire is a tinned copper wire.
  • the sensor structure provides effective protection against manipulation in such a way that piercing through the flexible surface element can be reliably detected. A piercing through at any point of the flexible surface element can be detected, thereby achieving complete, comprehensive protection against manipulation.
  • the wire or wires that form the sensor structure are designed as tinned copper wires.
  • a major advantage of the invention is that tinned copper wires are extremely resistant to environmental influences.
  • the tinned copper wires are insensitive to moisture, that is, the tinned copper wires have a high level of corrosion resistance.
  • the tinned copper wire provides electrically conductive structures in the flexible sheet that maintain their conductive properties unimpaired over long periods of time even when the flexible sheet is used permanently outdoors.
  • the flexible flat structure with the sensor structures formed by the tinned copper wires thus has a high level of availability.
  • Permanent contact can be achieved with the tinned copper wires.
  • the wire has a number of strands, at least some of the strands being made of tinned copper. It is essential that the tinned copper wire (s) that form the sensor structure are strand-independent, that is, the number of strands is arbitrary and freely selectable according to the respective requirements.
  • only some of the strands of the respective wire are made of tinned copper.
  • the other strands can consist of one or more yarns, wherein in particular different strands can consist of different yarns.
  • the number of strands made of tinned copper are specified so that the tinned copper wire formed in this way has sufficient electrical conductivity for the respective requirement.
  • the mechanical properties of the tinned copper wire can be specified in a suitable manner. In particular, a high degree of flexibility and thus good machinability of the tinned copper wires can be achieved in this way.
  • the respective yarn made of tear-resistant material like for example Kevlar so that the tinned copper wire has a high mechanical resistance.
  • the or each wire is electrically insulated.
  • the wires can form a lattice structure, with no conductive connection being created at the intersection points of the lattice structure.
  • the or each wire is not electrically insulated.
  • the wire or wires can advantageously form a loop-shaped sensor structure.
  • the flexible flat structure can advantageously be designed in the form of a textile flat element or a film. In particular, this forms a tarpaulin.
  • the tinned copper wire (s) for forming the sensor structure can be incorporated into the flexible sheet-like structure.
  • the tinned copper wires can be worked into the flexible sheet-like structure in particular in machine processes, in particular with suitable textile machines.
  • the tinned copper wires can advantageously be incorporated into the flexible sheet-like structure by weaving, knitting or knitting. In the latter case, the tinned copper wires can be worked into the flexible sheet using warp knitting machines or Raschel machines.
  • the wire is fixed on a surface of the flexible sheet-like structure.
  • the tinned copper wires can be fixed on the flexible sheet-like structure, for example by embroidery. Also can use the tinned copper wires be fixed on the flexible sheet-like structure by adhesive or welding processes.
  • the wire forms a cut-resistant structure.
  • the sensor structure is part of an alarm device.
  • the alarm device has an evaluation unit which is designed to evaluate sensor signals of the sensor structure. If the sensor structure is interrupted, an alarm signal is generated in the evaluation unit.
  • An evaluation unit which can be designed in the form of a microprocessor or the like, is also preferably arranged on the flexible surface element itself or at least assigned to it. This is used to evaluate sensor signals on the flexible surface element itself. As a function of this evaluation, the evaluation unit generates signals which in particular indicate whether or not there is a defect in the sensor structure, that is, the signals indicate whether or not there is an interruption in the sensor structure. In particular, an alarm signal is generated in the evaluation unit if a penetration of the sensor structure is detected.
  • the functionality of the flexible planar structure can be expanded in that the alarm device has an interface via which signals can be output to an external unit.
  • wired data transmission can take place via the interface.
  • Contactless data transmission is particularly advantageous.
  • an RFID unit can be provided for this purpose.
  • the interface advantageously has a radio transmitter for this purpose.
  • the signals from the evaluation unit can be sent to a radio receiver of an external unit by means of the radio transmitter. Since a contactless radio transmission path is formed with the radio transmitter and the radio receiver, over which data can also be sent over long distances, the location of the external unit can be selected completely independently of the installation location of the flexible surface element, which makes it extremely user-friendly.
  • the flexible surface element With the flexible surface element, objects can thus be enveloped at an installation location, whereby these objects are protected against unauthorized access.
  • the objects can have different shapes and geometries, since the size of the flexible surface element can be flexibly adapted to the respective application.
  • the flexible surface element with the sensor structure and the components assigned to it, namely the evaluation unit and the radio transmitter, also advantageously form a simple, maintenance-free unit.
  • the self-sufficient energy supply provides a reliable voltage supply for the electrical components on the flexible surface element over a large period of time, so that they can be operated maintenance-free and independently of stationary voltage supplies.
  • the self-sufficient energy supply provides a voltage supply for the entire expected service life of the electronic components and also of the flexible surface element.
  • suitcases, bags, rucksacks or the like can be produced with such flexible surface elements.
  • the objects stored there are efficiently protected against manipulation such as theft, vandalism and the like by the sensor structure.
  • the flexible surface element forms a tarpaulin.
  • the tarpaulin is attached to a loading area of a vehicle or a trailer of a vehicle.
  • a signaling unit with a radio receiver can be integrated in the driver's cab, which can receive radio signals, in particular alarm signals, from the radio transmitter assigned to the flexible flat structure, that is to say the tarpaulin.
  • the driver of the vehicle can quickly and easily identify attempts to manipulate the tarpaulin.
  • Figure 1 shows schematically an embodiment of the flexible planar element 1 according to the invention.
  • the flexible surface element 1 is formed by a textile surface element.
  • the textile surface element can be, for example, a woven fabric, knitted fabric, knitted fabric, embroidery or a fleece.
  • the flexible surface element 1 can be formed from a film.
  • a sensor structure is incorporated into the flexible surface element 1, which forms an electrically conductive structure.
  • the sensor structure generally serves to detect mechanical interventions in the flexible surface element 1, in particular in the form of punctures in the flexible surface element 1. These interventions generally change the electrical properties of the sensor structure. These changes define a detection variable on the basis of which the intervention can be detected.
  • the sensor structure consists of tinned copper wire 2.
  • Figure 2 shows schematically the structure of such a tinned copper wire 2.
  • the tinned copper wire 2 has a number of strands 2a, the number of strands 2a being freely variable.
  • all the strands 2a consist of tinned copper.
  • the other strands 2a can consist of yarns.
  • the strands 2a can consist of the same yarn or of different yarns.
  • the mechanical properties of the tinned copper wire 2 can be specified by the selection of the yarns.
  • the yarns can give the tinned copper wire 2 a flexibility which facilitates machine processing, in particular incorporation into or on the flexible sheet-like structure.
  • the tear strength of the tinned copper wire 2 can also be increased by choosing particularly tear-resistant yarns. A particularly suitable material for this is Kevlar.
  • the sensor structure of the flexible sheet-like structure can at the same time form a cut-resistant structure.
  • This cut-resistant structure forms a mechanical protection against manipulation of the flexible flat structure, in particular a piercing of the textile flat element.
  • the tinned copper wire 2 may or may not be electrically insulated on its outer sheath.
  • the tinned copper wire or wires 2 can be incorporated into the flexible flat structure, the flexible flat structure preferably consisting of a textile flat element for this purpose.
  • the tinned copper wire 2 can be incorporated, for example, by knitting, knitting or weaving processes.
  • the flexible sheet-like structure can also consist of a film.
  • the tinned copper wires 2 forming the sensor structure can also be fixed on a surface of the flexible sheet-like structure, for example by embroidery, gluing or welding.
  • the sensor structure consists of a lattice structure made of tinned copper wires 2.
  • the sensor structure can also be formed by a multiple loop arrangement of tinned copper wires 2.
  • the tinned copper wires 2 form a close-meshed structure that extends essentially over the entire surface of the flexible sheet-like structure, so that manipulations can be detected at any point on the flexible sheet-like structure through interruptions in the sensor structure.
  • An interruption in the sensor structure leads to a change in resistance, which is detected in a measurement network, for example.
  • This change in resistance is converted into a voltage signal that is fed to an evaluation unit 3, which can be formed by a microprocessor or the like.
  • the tinned copper wires 2 are of low resistance, they generate low-voltage signals that can be fed directly to the evaluation unit 3.
  • a signal is generated from the sensor signals formed in this way, the signal states of which indicate in particular whether there is an intervention in the flexible surface element 1 or not.
  • an alarm signal is generated in the evaluation unit 3 when there is an intervention in the flexible surface element 1.
  • the evaluation unit 3 thus forms an alarm device with the sensor structure.
  • the evaluation unit 3 can be fixed on the flexible surface element 1 by a welded or adhesive connection. Alternatively, the evaluation unit 3 can also be arranged separately from the flexible flat structure.
  • a self-sufficient energy supply in the form of a battery 4 and a radio transmitter 5 are also arranged on the flexible surface element 1, it also being possible for these units to be fixed on the flexible surface element 1 by means of adhesive or welded connections. Alternatively, these can also form units that are separate from the flexible sheet-like structure.
  • the evaluation unit 3 and the radio transmitter 5 are connected to one another and are connected to the battery 4. These units are supplied with voltage by the battery 4.
  • Signals generated in the evaluation unit 3 are transmitted via the radio transmitter 5 as radio signals 6 to a radio receiver 7 which is assigned to an external unit.
  • the radio receiver 7 can be integrated in the external unit.
  • the external unit is formed by a reporting unit 8.
  • the reporting unit 8 has optical and / or acoustic signal generators. With these signal transmitters, an alarm signal that is reported by the evaluation unit 3 can be displayed. Furthermore, the reporting unit 8 can be connected, for example via an Internet connection, to further external units to which the signals, in particular alarm signals, of the evaluation unit 3 of the flexible surface element 1 are fed.
  • the external unit can generally also be formed by a smartphone.
  • the assigned radio receiver 7 has a SIM card or a Sigfox module for coupling to the smartphone.
  • the external unit can also have a simple power supply.
  • the external unit can have manipulation protection.
  • the radio transmitter 5 of the flexible surface element 1 and the radio receiver 7 of the external unit form a unidirectional radio transmission path.
  • a bidirectional radio transmission link is also possible.
  • both the flexible surface element 1 and the external unit have a radio transmitter 5 and a radio receiver 7.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Woven Fabrics (AREA)
  • Burglar Alarm Systems (AREA)
EP20152904.7A 2019-03-19 2020-01-21 Élément plan flexible Pending EP3712866A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202019101536.5U DE202019101536U1 (de) 2019-03-19 2019-03-19 Flexibles Flächenelement

Publications (1)

Publication Number Publication Date
EP3712866A1 true EP3712866A1 (fr) 2020-09-23

Family

ID=69185520

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20152904.7A Pending EP3712866A1 (fr) 2019-03-19 2020-01-21 Élément plan flexible

Country Status (2)

Country Link
EP (1) EP3712866A1 (fr)
DE (1) DE202019101536U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021126168A1 (de) * 2021-10-08 2023-04-13 Fabian Piekarek Durchbruchüberwachung, Durchbruchüberwachungssystem und Verfahren zur Herstellung einer Durchbruchüberwachung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080092599A1 (en) * 2002-03-15 2008-04-24 Eric Hazan Cut-resistant and cut-warning fabric
US20100258334A1 (en) * 2009-04-10 2010-10-14 Toyota Boshoku Kabushiki Kaisha Skin material of vehicle interior equipment and manufacturing method for the same
WO2018113993A1 (fr) 2016-12-23 2018-06-28 Go11Save Ag Procédé servant à fabriquer des structures de sécurité pour un élément de surface et élément de surface
WO2018149458A1 (fr) * 2017-02-20 2018-08-23 Alarmplane.De Gmbh Élément d'alarme et système d'alarme
CN208038653U (zh) * 2017-08-04 2018-11-02 杭州余杭区闯洲丝绸厂 柔性透气击剑布

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2441054A1 (de) * 1974-08-27 1976-03-18 Robi Rushing Sicherheitsplane
FR2736880B3 (fr) * 1995-07-17 1997-09-05 Dickson Saint Clair Bache anti-vandalisme
JP2012087434A (ja) * 2010-10-20 2012-05-10 Toyota Boshoku Corp 発熱糸及びそれを用いた織編物
DE102010054683A1 (de) * 2010-12-14 2012-06-14 Sächsisches Textilforschungsinstitut e.V. Sicherheits-Packvorrichtung
DE102014115437B4 (de) * 2014-10-23 2016-06-02 Go11Save Ag Verfahren zur Herstellung von Sicherheitsstrukturen bei einem Flächenelement und Flächenelement
GB201508358D0 (en) * 2015-05-15 2015-07-01 Cunningham Gordon A Tarpaulin fabric cover
CN207891494U (zh) * 2017-08-04 2018-09-21 杭州余杭区闯洲丝绸厂 超细导电纱及柔性透气击剑布
CN207891495U (zh) * 2017-08-04 2018-09-21 杭州余杭区闯洲丝绸厂 一种由柔性导电纱构成的柔性透气击剑布

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080092599A1 (en) * 2002-03-15 2008-04-24 Eric Hazan Cut-resistant and cut-warning fabric
US20100258334A1 (en) * 2009-04-10 2010-10-14 Toyota Boshoku Kabushiki Kaisha Skin material of vehicle interior equipment and manufacturing method for the same
WO2018113993A1 (fr) 2016-12-23 2018-06-28 Go11Save Ag Procédé servant à fabriquer des structures de sécurité pour un élément de surface et élément de surface
WO2018149458A1 (fr) * 2017-02-20 2018-08-23 Alarmplane.De Gmbh Élément d'alarme et système d'alarme
CN208038653U (zh) * 2017-08-04 2018-11-02 杭州余杭区闯洲丝绸厂 柔性透气击剑布

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