WO2007114628A1 - Réseau de fibres optiques pour clôture, dispositif de fixation de câble à fibres optiques, et dispositif de fixation de base correspondants - Google Patents

Réseau de fibres optiques pour clôture, dispositif de fixation de câble à fibres optiques, et dispositif de fixation de base correspondants Download PDF

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Publication number
WO2007114628A1
WO2007114628A1 PCT/KR2007/001609 KR2007001609W WO2007114628A1 WO 2007114628 A1 WO2007114628 A1 WO 2007114628A1 KR 2007001609 W KR2007001609 W KR 2007001609W WO 2007114628 A1 WO2007114628 A1 WO 2007114628A1
Authority
WO
WIPO (PCT)
Prior art keywords
fiber optic
mesh
optic cable
fixture
fence
Prior art date
Application number
PCT/KR2007/001609
Other languages
English (en)
Inventor
Lee Suk Joe
Original Assignee
Lee Suk Joe
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 Lee Suk Joe filed Critical Lee Suk Joe
Publication of WO2007114628A1 publication Critical patent/WO2007114628A1/fr

Links

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
    • G08B13/122—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence
    • G08B13/124—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence with the breaking or disturbance being optically detected, e.g. optical fibers in the perimeter fence
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
    • G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
    • G08B13/186—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier using light guides, e.g. optical fibres

Definitions

  • the present invention relates to a security system using a fiber optic mesh, and more particularly, to a fiber optic cable fixture which allows a fiber optic cable to be deformed upon application of an external force to the fiber optic cable in a security system using a fiber optic mesh so that an intruder can be sensed, a fiber optic mesh for a fence having the fiber optic cable fixture, and a base fixture used for the fiber optic mesh.
  • FIG. 1 is a view showing an example of a conventional fiber optic mesh structure (a diamond- shaped fiber optic mesh structure).
  • reference numeral 11 designates a fiber optic cable
  • reference numeral 12 designates a cross clamp.
  • reference numeral 11 designates a fiber optic cable
  • reference numeral 12 designates a cross clamp.
  • An object of the present invention is to provide a fiber optic mesh for a fence, wherein in case of installation of the fiber optic mesh on the fence, an intruder can be sensed even though the intruder intrudes inside of the fence by lifting a lower end of the fiber optic mesh or climbing over the fiber optic mesh to avoid being sensed by a security system using the fiber optic mesh, and to provide a fiber optic cable fixture and a base fixture of the fiber optic mesh.
  • Another object of the present invention is to provide a fiber optic mesh for a fence, and a fiber optic cable fixture and a base fixture of the fiber optic mesh, wherein when an intruder intends to forcibly detach the fiber optic mesh, which has been installed on the fence, from the fence, the fiber optic mesh cannot be easily detached from the fence.
  • Technical Solution [6] According to an aspect of the present invention for achieving the objects, a fiber optic mesh to be attached to a fence so as to construct a security system using the fiber optic mesh comprises first fiber optic cables that form a mesh structure of the fiber optic mesh and define vertexes at an upper or lower end of the fiber optic mesh, and a second fiber optic cable disposed horizontally while passing through the vertexes.
  • a fiber optic mesh to be attached to a fence so as to construct a security system using the fiber optic mesh comprises first fiber optic cables that form a mesh structure of the fiber optic mesh and define vertexes at an upper or lower end of the fiber optic mesh, a second fiber optic cable disposed horizontally to be adjacent to the vertexes, and cross clamps for fixing the first fiber optic cables to the second fiber optic cable at the vertexes.
  • the fiber optic mesh may further comprise an upper fiber optic cable fixture for allowing an upper fiber optic cable of the second fiber optic cable, which is disposed horizontally at the upper end of the fiber optic mesh, to be deformed if an external force is applied to the upper fiber optic cable.
  • the fiber optic mesh may further comprise a lower fiber optic cable fixture for allowing a lower fiber optic cable of the second fiber optic cable, which is disposed horizontally at the lower end of the fiber optic mesh, to be deformed if an external force is applied to the lower fiber optic cable.
  • the lower fiber optic cable fixture may comprise a sleeve and an anchor bolt to be inserted into a base, and a nut having a groove formed therein to be fastened to a portion of the anchor bolt and a through-hole which is formed at a portion of the nut that is not fastened to the portion of the anchor bolt and through which the fiber optic cable passes.
  • a fiber optic cable fixture for use in a fiber optic mesh for a fence comprises a base member, a rotator disposed to be rotatable about a rotational shaft on one surface of the base member and having a through-hole through which a fiber optic cable passes, a cover for covering the base member and the rotator, and a lock member for fastening the base member and the cover to the fence while penetrating through them.
  • a fiber optic cable fixture for use in a fiber optic mesh for a fence comprises a sleeve, an anchor bolt, and a nut having a groove formed therein to be fastened to a portion of the anchor bolt and a through-hole which is formed at a portion of the nut that is not fastened to the portion of the anchor bolt and through which a fiber optic cable passes.
  • FIG. 1 is a view showing an example of a conventional fiber optic mesh structure (a diamond- shaped fiber optic mesh structure).
  • FIG. 2 is a perspective view showing a state where a fiber optic mesh for a fence according to an embodiment of the present invention is attached to a fence.
  • FIG. 3 is a side view of the fence to which the fiber optic mesh shown in Fig. 2 is attached.
  • FIG. 4 is a view illustrating the fiber optic mesh according to the embodiment of the present invention.
  • FIG. 5 is a view showing a fiber optic cable fixture according to an embodiment of the present invention.
  • FIG. 6 is a view showing a fiber optic cable fixture according to another embodiment of the present invention.
  • FIG. 7 is a view showing a base fixture according to an embodiment of the present invention. Mode for the Invention
  • FIG. 2 is a perspective view showing a state where a fiber optic mesh for a fence according to an embodiment of the present invention is attached to a fence
  • Fig. 3 is a side view of the fence to which the fiber optic mesh shown in Fig. 2 is attached
  • Fig. 4 is a view illustrating the fiber optic mesh according to the embodiment of the present invention.
  • FIGs. 2 and 3 there are shown an upper fiber optic cable 21, a lower fiber optic cable 22, upper fiber optic cable fixtures 23, lower fiber optic cable fixtures 24, base fixtures 25, fence posts 26, sub-posts 27, fence post bases 31, and wire netting 32.
  • FIG. 4 there are shown fiber optic cables 11 constructing a mesh structure, the upper fiber optic cable 21 and the lower fiber optic cable 22.
  • a vertex 41 there are enlargedly shown a vertex 41, a cross clamp 12 for fixing the fiber optic cables 11 constructing the mesh structure, and a cross clamp 42 for fixing the fiber optic cables 11 constructing the mesh structure to the lower fiber optic cable 22.
  • the fiber optic mesh for a fence will be now described.
  • the fiber optic cables 21 and 22 for sensing intrusion are disposed horizontally at upper and lower ends of the fiber optic mesh, respectively.
  • the upper fiber optic cable 21 is fixed to uppermost portions of the fence posts 26 by means of the upper fiber optic cable fixtures 23, and the lower fiber optic cable 22 is fixed to the fence post bases 31 by means of the lower fiber optic cable fixtures 24.
  • the lower fiber optic cable 22 is coupled and fixed to the base fixtures 25 embedded into the ground. Examples of the upper fiber optic cable fixture 23, the lower fiber optic cable fixture 24 and the base fixture 25 are shown in Figs. 5 to 7.
  • the examples of the components will be described below with reference to these figures.
  • first fiber optic cables 11 the fiber optic cables constructing a mesh structure (or a diamond- shaped structure) of the fiber optic mesh will be herein referred to as first fiber optic cables 11, and the fiber optic cables disposed horizontally will be herein referred to as second fiber optic cables 21 and 22.
  • the second fiber optic cables 21 and 22 can be divided into the upper fiber optic cable 21 and the lower fiber optic cable 22.
  • the second fiber optic cables 21 and 22 are preferably disposed to be maintained in a horizontally tensioned state.
  • the first fiber optic cables 11 construct a mesh structure of the fiber optic mesh and define vertexes at an upper or lower end of the fiber optic mesh. A certain angle is defined by the vertex that is formed by each of the first fiber optic cables 11, as enlargedly shown in a dotted circle designated by reference numeral 41 in Fig. 4.
  • the upper fiber optic cable 21 is disposed horizontally while passing through the vertexes formed by the first fiber optic cables 11.
  • the lower fiber optic cable 22 may also be disposed horizontally while passing through the vertexes formed by the first fiber optic cables 11. Since this structure is identical with that of the upper fiber optic cable 21, it is not additionally shown in Fig. 4.
  • the second fiber optic cables i.e., the upper fiber optic cable 21 and the lower fiber optic cable 22, may be electrically connected to one end of the fiber optic mesh or may be connected to an alarm (not shown), an intrusion-sensing processor (not shown), or the like.
  • the fiber optic mesh for a fence may include the cross clamps 42 for fixing the first fiber optic cables 11 constructing the mesh structure of the fiber optic mesh to the second fiber optic cables 21 and 22.
  • Fig. 4 shows that the cross clamps 42 are applied to only the lower fiber optic cable 22, the cross clamps 42 may also be applied to the upper fiber optic cable 21.
  • the fiber optic mesh for a fence includes the upper fiber optic cable and/or the lower optic cable that are disposed horizontally while passing through the vertexes formed by the first fiber optic cables, it is possible to sense an external force that may be applied to the upper fiber optic cable or the lower optic cable.
  • an intruder lifts the lower end of the fiber optic mesh or climbs over the fiber optic mesh and then intrudes inside of the fence, it is possible to sense the intrusion, thereby supplementing weak spots of the security system using the fiber optic mesh.
  • FIG. 5 is a view showing a fiber optic cable fixture according to an embodiment of the present invention.
  • the fiber optic cable fixture includes a base member 51, a rotator 52, a cover 54 and a lock member 55.
  • the base member 51 functions, in cooperation with the cover 54, to allow the fiber optic cable fixture to be secured to the fence.
  • the rotator 52 is disposed rotatably on one surface of the base member 51. Accordingly, it is preferred that the rotator 52 be coupled to the base member 51 by means of a rotational shaft 57 on the base member 51. A through-hole 53 through which the fiber optic cable passes is formed in the rotator 52.
  • the base member 51 and the rotator 52 are covered with the cover 54.
  • the cover 54 prevents an intruder from easily manipulating the base member 51 and the rotator 52.
  • the cover 54 preferably has a portion capable of supporting the cover at a rear surface of the sub-post 27 of the fence.
  • the lock member 55 functions to couple the base member 51 and the cover 54 to the fence while penetrating through them.
  • the lock member 54 may include a bolt and a nut, or may be of a rivet type.
  • the sub-post may be additionally provided at an upper portion of the fence post 26, as designated by reference numeral 27 in Figs. 2 and 3.
  • the lock member 55 fixes the base member 51 and the cover 54 to the sub-post 27.
  • the fiber optic cable fixture may be applied to both the upper fiber optic cable 21 and the lower fiber optic cable 22 in Fig. 2. However, it is preferred that the fiber optic cable fixture be applied to the upper fiber optic cable 21. That is, the upper fiber optic cable fixture designated by reference numeral 23 as an example in Fig. 2 may be the fiber optic cable fixture designated by reference numeral 50 in Fig. 5.
  • Fig. 6 is a view showing a fiber optic cable fixture according to another embodiment of the present invention. As compared with the fiber optic cable fixture of Fig. 5 that can be applied to both the upper fiber optic cable and the lower fiber optic cable, it is preferred that the fiber optic cable fixture shown in Fig. 6 be applied to the 1 ower fiber optic cable.
  • Reference numeral 60 in Fig. 6 designates a state where the fiber optic cable fixture is detached, and reference numeral 65 designates a state where the fiber optic cable fixture is attached.
  • the fiber optic cable fixture used for the fiber optic mesh for a fence includes a sleeve 62, an anchor bolt 63 and a nut 61.
  • the nut 61 is fastened to an upper portion of the anchor bolt.
  • the nut 61 has a groove formed therein to be fastened to a portion of the anchor bolt 63, and a through-hole 64 through which the fiber optic cable 22 passes is formed at a portion of the nut 61 that is not fastened to the portion of the anchor bolt 63.
  • the fiber optic cable 22 may be damaged or severely bent. Accordingly, since optical loss is increased, it is possible to sense the intruder.
  • the fiber optic cable fixture be applied to the lower fiber optic cable 22.
  • the lower fiber optic cable fixture designated by reference numeral 24 as an example in Fig. 2 may be the fiber optic cable fixture shown in Fig. 6.
  • FIG. 7 is a view showing a base fixture according to an embodiment of the present invention.
  • the base fixture 25 for fixing the fiber optic cable used for the fiber optic mesh for a fence to a base is partially inserted into the base and has a through-hole 71 formed at a portion thereof which is not inserted into the base so that the fiber optic cable passes through the through-hole.
  • a round steel bar that has been hardening-processed is preferably used as the base fixture 25.
  • the length of the base fixture 25 and a distance between the base fixtures may be changed depending on a user or a place where the fiber optic mesh is used. However, it is preferred that the length of the base fixture 25 be 80cm and the distance between the base fixtures be 30cm.
  • the fiber optic mesh for a fence, and the fiber optic cable fixture and the base fixture of the fiber optic mesh according to the present invention can solve a problem of a security system using a conventional fiber optic mesh, i.e., a problem in which if an intruder intends to intrude inside of a fence by lifting a lower end of the fiber optic mesh or climbing over the fiber optic mesh, the intrusion is not sensed, and can be easily installed and thus are widely applicable to security systems using fiber optic meshes.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fencing (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

La présente invention concerne un réseau de fibres optiques à fixer à une clôture de façon à construire un système de sécurité au moyen du réseau de fibres optiques, et un dispositif de fixation de câble à fibres optiques et un dispositif de fixation de base du réseau de fibres optiques. Ce réseau est constitué de premiers câbles à fibres optiques formant une structure maillée du réseau de fibres optiques et définissant des sommets au niveau d'une extrémité supérieure ou inférieure du réseau de fibres optiques, et un deuxième câble à fibres optiques disposé à l'horizontale et passant par les sommets. Le dispositif de fixation de câble à fibres optiques comporte un rotateur pourvu d'un trou que traverse le câble à fibres optiques. Ce dispositif de fixation, qui peut s'utiliser pour fixer un câble à fibres optiques inférieur comporte un écrou pourvu d'un trou que traverse le câble à fibre optique, ainsi qu'un manchon et un boulon d'ancrage. Le dispositif de fixation de base comporte également un trou que traverse le câble à fibres optiques. Il en résulte que, si un intrus tente de pénétrer par effraction à l'intérieur d'une clôture en relevant une partie inférieure du réseau de fibres optiques ou en l'escaladant, il est possible de détecter effectivement l'intrusion.
PCT/KR2007/001609 2006-04-04 2007-04-03 Réseau de fibres optiques pour clôture, dispositif de fixation de câble à fibres optiques, et dispositif de fixation de base correspondants WO2007114628A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2020060008815U KR200420918Y1 (ko) 2006-04-04 2006-04-04 휀스 부착형 광망 및 고정구
KR20-2006-0008815 2006-04-04

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WO2007114628A1 true WO2007114628A1 (fr) 2007-10-11

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PCT/KR2007/001609 WO2007114628A1 (fr) 2006-04-04 2007-04-03 Réseau de fibres optiques pour clôture, dispositif de fixation de câble à fibres optiques, et dispositif de fixation de base correspondants

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WO (1) WO2007114628A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMO20120029A1 (it) * 2012-02-09 2013-08-10 Eter Biometric Technologies S R L Protezione avvolgente antifurto.
CN104113374A (zh) * 2013-04-19 2014-10-22 全泓棋 光纤网及其制造方法
CN117437733A (zh) * 2023-12-20 2024-01-23 云南保利天同水下装备科技有限公司 探测网及其制作方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101745510B1 (ko) * 2016-09-12 2017-06-12 화이버트론 주식회사 교량 투신 감지 시스템
KR102082227B1 (ko) * 2018-12-20 2020-02-27 인하대학교 산학협력단 광섬유 센서를 이용한 낙하물 방지망 모니터링 장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4399430A (en) * 1980-10-10 1983-08-16 Pilkington P.E. Limited Intruder detection security system
KR950034005A (ko) * 1994-05-09 1995-12-26 김기훈 광망경비시스템
JPH11120452A (ja) * 1997-10-17 1999-04-30 Furukawa Electric Co Ltd:The 侵入検知装置
US20020015465A1 (en) * 1996-09-30 2002-02-07 Alain Brosset Assembly frame for nuclear fuel with guide tubes and method for manufacturing same
US20060054796A1 (en) * 2004-09-16 2006-03-16 Chun Hong G Apparatus to induce stress into a fiber optic cable to detect security fence climbing

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4399430A (en) * 1980-10-10 1983-08-16 Pilkington P.E. Limited Intruder detection security system
KR950034005A (ko) * 1994-05-09 1995-12-26 김기훈 광망경비시스템
US20020015465A1 (en) * 1996-09-30 2002-02-07 Alain Brosset Assembly frame for nuclear fuel with guide tubes and method for manufacturing same
JPH11120452A (ja) * 1997-10-17 1999-04-30 Furukawa Electric Co Ltd:The 侵入検知装置
US20060054796A1 (en) * 2004-09-16 2006-03-16 Chun Hong G Apparatus to induce stress into a fiber optic cable to detect security fence climbing

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMO20120029A1 (it) * 2012-02-09 2013-08-10 Eter Biometric Technologies S R L Protezione avvolgente antifurto.
CN104113374A (zh) * 2013-04-19 2014-10-22 全泓棋 光纤网及其制造方法
CN117437733A (zh) * 2023-12-20 2024-01-23 云南保利天同水下装备科技有限公司 探测网及其制作方法
CN117437733B (zh) * 2023-12-20 2024-06-04 云南保利天同水下装备科技有限公司 探测网及其制作方法

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