EP1111563A2 - Dispositif pour surveiller des surfaces d'exposition - Google Patents

Dispositif pour surveiller des surfaces d'exposition Download PDF

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Publication number
EP1111563A2
EP1111563A2 EP00250455A EP00250455A EP1111563A2 EP 1111563 A2 EP1111563 A2 EP 1111563A2 EP 00250455 A EP00250455 A EP 00250455A EP 00250455 A EP00250455 A EP 00250455A EP 1111563 A2 EP1111563 A2 EP 1111563A2
Authority
EP
European Patent Office
Prior art keywords
exhibit
arrangement according
exhibits
pressure pin
arrangement
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.)
Withdrawn
Application number
EP00250455A
Other languages
German (de)
English (en)
Other versions
EP1111563A3 (fr
Inventor
Armin Dipl.-Ing. Bäuerle
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.)
Secuporta Gesellschaft fur Sicherheitstechnik Mbh
Original Assignee
Secuporta Gesellschaft fur Sicherheitstechnik Mbh
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 Secuporta Gesellschaft fur Sicherheitstechnik Mbh filed Critical Secuporta Gesellschaft fur Sicherheitstechnik Mbh
Publication of EP1111563A2 publication Critical patent/EP1111563A2/fr
Publication of EP1111563A3 publication Critical patent/EP1111563A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
    • G08B13/1472—Mechanical actuation by lifting or attempted removal of hand-portable articles with force or weight detection

Definitions

  • the invention relates to an arrangement for monitoring exhibit areas, in particular of exhibition tables and showcases which are to be monitored if an unauthorized person removes one Object triggers an alarm message.
  • Light barriers are often used, which in the event of unauthorized approach to the exhibit to trigger an alarm.
  • the object of the invention is to carry out an arrangement for monitoring exhibit areas in such a way that that it works in a wide range regardless of weight and the exhibits are largely freely positionable and no solution elements are attached to them have to.
  • this object is achieved in that on the surface of the exhibit area distributed a plurality of holes are arranged in a grid. To those to be monitored A push pin is inserted into the hole under the exhibit, one Optical fiber deformed on an elastic base. The change in deformation at Removal of the exhibit is evaluated and an alarm message is issued.
  • the pressure pin deforms when loaded by the Exhibit the fiber optic cable and when it is removed it is relieved.
  • the pressure pin deforms when it is relieved by removal of the exhibit the optical fiber.
  • the push pin acts via a spring-loaded rocker on the optical fiber.
  • the rocker is a bearing block with a spring and a pressure pin / required deformation of the optical waveguide adapted lever arm.
  • the pressure pin is designed to be resilient.
  • the bearing surface of the pressure pin can be a pressure plate be enlarged.
  • the optical waveguide is meandering under the bores of the exhibit surface. or laid spirally and the ends are with a light transmitter and light receiver connected to an evaluation unit.
  • the arrangement is used to monitor exhibits at exhibitions in the exhibition areas, especially installed in exhibition tables and showcases as well as showcases.
  • a large number of holes are distributed in a grid in the exhibit area arranged.
  • the exhibition area can consist of a wide variety of materials and are composed of different layers.
  • a wooden frame is useful with a decorative cover plate and a lower base plate.
  • the exhibit surface of the arrangement according to the invention can be a decorative surface layer included that has no openings on delivery. Only before use are only through the holes in the cover plate, over which the exhibits to be monitored to be arranged, openings for the pressure pins pushed through. Already already used exhibit surfaces can have a new surface layer for other applications receive.
  • the push pin should be springy. It is useful that the pressure pin itself contains a compression spring. The spring force and the spring travel must be with the elastic pad coordinated and be so large that this leads to an evaluable deformation of the optical waveguide lead without damaging it.
  • the contact area of the pressure pin should be enlarged with a pressure plate.
  • the optical fiber is meandering or spiral-shaped under the holes in the exhibit area laid and fixed.
  • the ends of the optical fiber are with a light transmitter and light receiver connected to an evaluation unit.
  • the elastic underlay is an elastically deformable, resilient mat that consists of different Materials exist and can be shaped differently.
  • the arrangement can be armed / disarmed via a transponder.
  • the optical waveguide 4 deformed when relieved by removing the exhibit 9.
  • the pressure pin 1 acts via a spring-loaded rocker 2; 3 on the optical fiber 4.
  • the seesaw is a bearing block 2 with a spring 3 and the pressure conditions between the pressure pin 1 and the required Deformation of the optical fiber 4 adapted lever arm.
  • the correct deformation of the optical waveguide 4 is the right one Choice of the elasticity of the mat 5 is important.
  • Fig. 1 the invention is shown in the operating state with an exhibit 9 to be secured.
  • the exhibit table with a table top 7 and a decorative surface 8 has one Cavity between the table top 7 and the bottom 6 of the table top frame on the rockers from bearing block 2 with spring 3 for the individual push pins 1.
  • Between the elastic arm 5 is on the lever arm of the rockers and the base 6 of which the optical waveguide 4 is arranged.
  • the pressure pin 1 is determined by the weight of the exhibit 9 depressed against the spring force of the torsion spring 3.
  • the arrangement according to the invention for monitoring exhibit areas works in one wide range regardless of weight. From a minimum weight there is practically no upper weight limit available for functionality. Is the counterforce of the compression spring overcome, the exhibit lies directly on the surface of the exhibit surface and can do not damage the optical fiber. The exhibits are within the selected grid freely positionable. No elements of the surveillance solution have to be attached to the exhibits become.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Optical Integrated Circuits (AREA)
  • Light Guides In General And Applications Therefor (AREA)
EP00250455A 1999-12-23 2000-12-22 Dispositif pour surveiller des surfaces d'exposition Withdrawn EP1111563A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19962492 1999-12-23
DE1999162492 DE19962492A1 (de) 1999-12-23 1999-12-23 Anordnung zur Überwachung von Exponateflächen

Publications (2)

Publication Number Publication Date
EP1111563A2 true EP1111563A2 (fr) 2001-06-27
EP1111563A3 EP1111563A3 (fr) 2001-08-08

Family

ID=7934152

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00250455A Withdrawn EP1111563A3 (fr) 1999-12-23 2000-12-22 Dispositif pour surveiller des surfaces d'exposition

Country Status (2)

Country Link
EP (1) EP1111563A3 (fr)
DE (1) DE19962492A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114495392A (zh) * 2022-02-21 2022-05-13 武汉伊莱维特电力科技有限公司 一种外力破坏配网线路预警装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE501675C2 (sv) * 1992-05-10 1995-04-10 Kjell Lindskog Laminatskiva och användning av dylik
SE9302390D0 (sv) * 1993-07-12 1993-07-12 Kjell Jaegerskog Portabel saekerhetsbehaallare
IT245592Y1 (it) * 1998-03-04 2002-03-22 Scappa Claudio Contenitore perfezionato per trasporto valori

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114495392A (zh) * 2022-02-21 2022-05-13 武汉伊莱维特电力科技有限公司 一种外力破坏配网线路预警装置

Also Published As

Publication number Publication date
DE19962492A1 (de) 2001-07-05
EP1111563A3 (fr) 2001-08-08

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