EP3422312B1 - Elektrisches zaunsystem mit intelligentem schutz - Google Patents

Elektrisches zaunsystem mit intelligentem schutz Download PDF

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Publication number
EP3422312B1
EP3422312B1 EP18176459.8A EP18176459A EP3422312B1 EP 3422312 B1 EP3422312 B1 EP 3422312B1 EP 18176459 A EP18176459 A EP 18176459A EP 3422312 B1 EP3422312 B1 EP 3422312B1
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EP
European Patent Office
Prior art keywords
electric fence
bar
fence wire
wire section
electric
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.)
Active
Application number
EP18176459.8A
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English (en)
French (fr)
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EP3422312A1 (de
EP3422312B8 (de
Inventor
Marc WINDERS
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Eurocloture Sprl
Original Assignee
Eurocloture Sprl
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Publication date
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Publication of EP3422312A1 publication Critical patent/EP3422312A1/de
Publication of EP3422312B1 publication Critical patent/EP3422312B1/de
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Publication of EP3422312B8 publication Critical patent/EP3422312B8/de
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    • 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
    • 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 present invention relates to an electric fence system for protecting a site with a defined perimeter against an intrusion.
  • the Belgian patent with publication number 1009022 and deposit number 09400134 discloses an electric fence system for protecting a site with a defined perimeter against an intrusion.
  • a known problem with this known system is that it is not secure enough.
  • the Belgian patent BE 1013918 A3 discloses another electric fence system for protecting a site with a defined perimeter against an intrusion.
  • An object of the present invention is to provide an electric fence system capable of protecting a site of determined perimeter against an intrusion and particularly secure.
  • the system proposed by the invention is particularly secure because it allows the detection of significant forces exerted on certain elements making up the electric fence.
  • the very existence of the first section of electric fence wire and of an electric voltage in the electric fence system is likely to discourage any intrusion.
  • an individual tries to enter the site for example, by modifying the position of the first section of electric fence wire so as to allow an intrusion, if an effort at least equal to the effort determined is exerted on the first section of fence wire electric, there occurs a deflection of the elastic element and of the insulator of the first guide taking into account the fact that these two elements are mechanically coupled.
  • the distance between the elastic element and the conductive element decreases and, given that these are at different electrical potentials and that the first part of the conductive element at least partially surrounds the elastic element, a contact electric is created between these two elements of the first guide. Since the detection device is arranged to detect such an electrical contact, the modification of the position of the first section of electric fence wire by the individual so as to allow an intrusion is thus detected.
  • the system according to the invention makes it possible in particular to detect the installation of a ladder on the electric fence.
  • the bar being fixed on the support by one of its halves, for example its lower half, while the first guide is fixed on the other half of the bar, the guide is at a position in height adequate to detect the installation of an object resting in height on the electric fence.
  • the system allows the detection of a significant force which, exerted on the first guide in itself, would move it from its position at rest.
  • system according to the invention makes it possible to detect any cut in the wire or grounding of the wire.
  • the first guide is fixed to an upper end of the first bar.
  • the electric fence system is insensitive to normal atmospheric variations.
  • the electric fence system proposed by the invention can, for example, be used to protect private property, logistics centers, or vehicle storage areas, other values or equipment.
  • the electric fence system according to the invention can also be used to avoid prison escapes.
  • the detection device is arranged to detect any voltage drop in the first section of electric fence wire.
  • it may be able to detect any voltage drop equivalent to an electrical short circuit between 500 and 100 ohms. It is preferably arranged to detect if the first section of electric fence wire is cut.
  • the electric fence system proposed by the invention can be used in isolation or in addition to other protection means.
  • the abovementioned support can be a wall, a trellis, a fence, a post, a bar or even another electric fence system for protecting the site.
  • the electric fence system further comprises at least one fixing element mechanically coupling the first bar to the support.
  • the center of gravity of the first guide is located higher than the center of gravity of the first bar.
  • the center of gravity of the first bar is located higher than the center of gravity of the support.
  • the electric fence system comprises several bars, each one capable of being fixed to a support disposed along the perimeter, and several guides which support the first section of electric fence wire, each being mechanically coupled to a bars.
  • the electric fence system comprises several sections of electric fence wire electrically connected to the electric generator and supported by guides mechanically coupled to a support disposed along the perimeter.
  • the electric generator is that described in Belgian patent with publication number 1009022 and is arranged to send electric pulses in the first section of electric fence wire.
  • the system is preferably arranged so that the electric generator generates in the first section of electric fence wire an electric voltage high enough to discourage any intrusion.
  • the electrical voltage in the first section can be between 1000 and 9000 Volt, preferably between 7000 and 8000 Volt.
  • the first part of the conductive element which at least partially surrounds the elastic element is located on the side of the first support of the first guide.
  • the system is such that the first section of electric fence wire and the first bar are perpendicular in the vicinity of the first guide.
  • the first bar is straight and rigid.
  • the first bar is made of an electrically conductive material.
  • the first bar is electrically insulating.
  • the first section of electric fence wire is made of aluminimum-chrome cable from 16 to 18 tenths of a millimeter in diameter.
  • the conductive element is electrically isolated from the first support when the first section of electric fence wire is awaiting the determined force.
  • the conductive element is electrically isolated from the first support when the first section of electric fence wire is not subjected to the determined force.
  • the invention according to this embodiment allows permanent electrical contact between the elastic element and the first support.
  • the first support is a metallic element which is in electrical contact with the elastic element and which is connected to earth.
  • the elastic element is a metal spring screwed on one side onto a thread, preferably outside, of the first support and on the other side onto a thread, preferably inside, of the first insulator.
  • the elastic element of the invention according to this embodiment is self-locking, good electrical conductor and flexible.
  • the electric fence system is arranged so that the elastic element is at a fixed potential, for example the earth.
  • the conductive element is metallic.
  • the first part of the conductive element forms the whole of the elastic element.
  • the invention according to this embodiment allows the detection of a deflection of the elastic element of the first guide in all directions.
  • the invention according to this embodiment allows the detection of a modification of the rest position of the first section of electric fence wire and of the first guide regardless of the direction in which the force is exerted at the origin. of this change.
  • the conductive element comprises a second part which at least partially surrounds an external face of the first insulator.
  • the conductive element comprises a second part projects beyond a free end of said first insulator.
  • the conductive element being in electrical contact with the first section of electrical fence wire and therefore energized, the invention according to this embodiment discourages an ill-intentioned individual who wishes to manipulate the first guide.
  • the second part of the conductive element which at least partially surrounds an external face of the first insulator is located on the side of the first support of the first section of electric fence wire.
  • the invention is such that the first insulator comprises a polyethylene body and a clamping head which supports the first section of electric fence wire.
  • the conductive element comprises a second part which at least partially surrounds the clamping head of the first insulator.
  • the invention discourages an ill-intentioned individual who wishes to manipulate the first guide by unscrewing the clamping head of the first insulator to gain access. at its inner part.
  • the first insulator encloses the elastic element and the first part of the conductive element.
  • the invention according to this embodiment protects the interior of the insulator against external deterioration.
  • the invention protects the elastic element and the first part of the conductive element against malicious external intrusion having the objective of blocking the conductivity between the elastic element and the conductive element when the elastic element bends.
  • the support is a wall, a trellis, an electric fence, a barrier, a post or a bar.
  • the alert device can be placed in a terminal block.
  • the electric generator is able to supply a voltage between 7000 and 8000 Volt to the first section of electric fence wire.
  • this voltage makes it possible to obtain a deterrent effect if an individual touches the first section of electric fence wire.
  • the first stop and the second section of electric fence wire are arranged at a determined distance so as to come into electrical contact when an individual tries to spread the wire in the direction of the stop.
  • the intrusion attempt is then signaled by the detection device.
  • the first stop is in a secant plane not perpendicular to the direction of the second bar.
  • the first stop is arranged to extend at least on two sides of the second section of electric wire.
  • the first stop has a U-shape.
  • the first stop is made of a conductive material and is connected to the ground.
  • This embodiment of the invention does not exclude that the first and second sections of electric fence wire are mechanically and electrically connected to each other.
  • this position of the second, third, fourth and fifth metal guides in the system according to the invention is such that the second and third sections of electric fence wire define non-parallel lines between the second bar and the third bar. Therefore, if an individual seeks to pass the electric fence system by bringing together the second and third sections of electric fence wire, then these will touch, which will create an electrical contact between them which will be detected by the detection device.
  • the additional elements of this particular embodiment of the invention are particularly easy to manufacture and inexpensive because they require only insulating bars, metal guides which can be very simple and electric wire.
  • the additional elements of this particular embodiment of the invention are particularly discreet because they do not require insulators to isolate the second and third sections of electric fence wire because the insulation between the wires is ensured by the bars .
  • the additional elements of this particular embodiment of the invention are particularly quick to install, in particular because they do not require having a stop at a determined distance from the second or third section of electric fence wire.
  • the second, third, fourth and fifth metal guides are intended to mechanically couple second and third sections of electric fence wire to the second and third bars and to guide them.
  • the second and third bars are rectilinear, rigid and parallel.
  • each of the metal guides is made of gavlanized steel and such that the section of electric fence wire and the bar which it couples are essentially perpendicular to each other.
  • the electric fence system according to this embodiment is arranged for the second metal guide either essentially the same height as the third metal guide and the fourth metal guide is essentially the same height as the fifth metal guide.
  • This embodiment of the invention does not exclude that the first and second sections of electric fence wire are mechanically and electrically connected to each other.
  • the electric fence system preferably comprises a metallic element which is in electrical contact with the fourth metallic guide and which extends along the second bar from the fourth metallic guide towards the second metal guide.
  • the electric fence system includes another metal element which is in electrical contact with the fifth metal guide and which extends along the third bar from the fifth metal guide to the third metal guide. .
  • the conductive element according to this embodiment comprises a plurality of rings surrounding the second bar.
  • the conductive element can be a spring.
  • a mechanical coupling between two elements preferably refers to a fixed mechanical holding of the positions of these two elements with respect to each other.
  • a mechanical coupling between two elements includes the possibility of direct fixing between these two elements, but also that of an indirect fixing by means of at least one intermediate element.
  • a mechanical coupling between two elements does not formally exclude a possible relative movement between these two elements.
  • the "interior" of a hollow three-dimensional object is the space included within the concave surface defined by the object itself.
  • the interior volume of the object is, by definition, finite, while the exterior volume of the object is infinite.
  • a "direction" in the usual three-dimensional space is defined by the data of a line of space.
  • two parallel lines in space define the same direction.
  • Each direction in space has two "senses". If A and B are any two distinct points of a line defining a certain direction in space, the course of the line passing through A first and through B then defines a first direction along this direction, while the course of the straight line passing through B first and through A then defines a second direction in this direction, the latter being said to be “opposite” to the first direction.
  • Two directions of space are said to be “orthogonal” if there are two perpendicular lines of space which define these two directions.
  • the figure 1 illustrates an electric fence system for protecting a site with a defined perimeter against an intrusion according to one embodiment of the invention.
  • the system illustrated in figure 1 may be called a “low shutter” type system.
  • the electric fence system comprises four sections of electric fence wire (1) which are essentially parallel and arranged essentially horizontally.
  • Each of the sections of electric fence wire (1) is electrically connected to an electric generator not shown in the figure.
  • these sections of fence wire electric wires are connected together so that they are part of the same electric fence wire.
  • more than four sections of electric fence wire are part of the electric fence system.
  • the electric fence system comprises a first bar (11) and a second bar (11A) of first halves (111) and (111A) respectively and second halves (112) and (112A) respectively.
  • more than two bars form part of the electric fence system.
  • the number of bars is different from the number of sections of electric fence wire.
  • the bars (11) and (11A) comprise two parts, essentially rectilinear and rigid and forming an angle of approximately 135 degrees.
  • the support (12) is a wall arranged along the perimeter to be protected.
  • Fixing means (21) fix the first halves (111) and (111A) of the bars (11) and (11A) along the wall (12).
  • a first guide (31) and a third guide (31B) support the first section of electric fence wire (1)
  • a second guide (31A) and a fourth guide (31C) support the second section of electric fence wire (1).
  • more than four guides are part of the electric fence system.
  • the electric fence system further comprises tensioners not shown so that each section of electric fence wire (1) is stretched between two tensioners so as to undergo a mechanical tension which allows it to remain straight between the guides.
  • these tensioners include a compression spring ensuring mechanical tension on the sections of electric fence wire whatever the temperature.
  • the guides (31), (31A), (31B) and (31C) each include a hollow insulator (311), (311A), (311B) and (311C) respectively, and a support (312), (312A) , (312B) and (312C) respectively.
  • the insulators (311) and (311B) support the first section of electric fence wire (1)
  • the insulators (311A) and (311C) support the second section of electric fence wire (1).
  • the supports (312) and (312A) are fixed to the second half (112) of the first bar (11)
  • the supports (312B) and (312C) are fixed to the second half (112A) of the second bar (12 ).
  • each of the guides (31), (31A), (31B) and (31C) is a guide as illustrated in the figure 2 .
  • the detection device when an individual attempts to enter the protected perimeter, for example by climbing the wall (12), if he exerts a significant force on one of the sections of electric fence wire (1), for example by trying to push them aside, if he tries to cut them, or even, if he exerts a significant force on one of the guides (31), (31A), (31B) or (31C) while trying to cross the fence system electric, the detection device, not shown, will react by activating an alert device, not shown, but preferably arranged in the system, which can then carry out at least one of the following actions: direct a surveillance camera towards the area where an electrical contact has been detected, activate lighting in this area and send a message to an electronic device such as an alarm center, computer, telephone or mobile phone.
  • an electronic device such as an alarm center, computer, telephone or mobile phone.
  • the figure 2 illustrates a first guide (31) of an electric fence system according to an embodiment of the invention.
  • the first guide (31) comprises a first hollow insulator (311) comprising a body (3111) and a clamping head (3112).
  • the clamping head (3112) supports and guides a first section of electric fence wire (1).
  • the clamping head (3112) is fixed to the body (3111).
  • the body (311) has a cavity (20) having an opening (30) located opposite the clamping head (3112).
  • the first insulator (311) is preferably made of polyethylene.
  • the first guide (31) also includes a first support (312).
  • the first support (312) is intended to be fixed to a first bar which is itself fixed to a support.
  • the first guide (31) comprises a shutter (10).
  • the shutter (10) is arranged so as to restrict access to the cavity (20) by partially closing the opening (30).
  • the shutter (10) is fixed to the first support (312).
  • the shutter (10) is preferably a planar element.
  • the shutter (10) is preferably a washer.
  • the first guide (31) also comprises a metal spring (313) which is at a fixed potential and which is screwed on one side on an external thread of the first support (312) and on the other side in an internal thread of the first insulator (311).
  • This metal spring (313) is capable of bending when a determined force is exerted on said first section of electric fence wire (1).
  • the metal spring (313) is partially housed in the cavity (20).
  • the first guide (31) also comprises an electrode (314) which is in electrical contact with the first section of electrical fence wire (1) and which is at an electrical potential different from the metal spring (313).
  • This electrode (314) has a first lower part (3141) which completely surrounds the metal spring (313) so that an electrical contact is generated between the electrode (314) and the metal spring (313) when the latter bends following a determined force exerted on the first section of electric fence wire (1), regardless of the direction in which this force is exerted.
  • the detection device does not shown in the figure will then detect this electrical contact.
  • the first lower portion (3141) of the electrode (314) is partially housed in the cavity (20).
  • the electrode (314) has a second upper part (3142) which partially surrounds the outside of the clamping head (3112).
  • the second upper part of (3142) of the electrode projects relative to a free end (320) of the first insulator (311).
  • the guide (31) is thus particularly capable of discouraging an individual who wishes to manipulate the first guide by unscrewing the clamping head (3112) of the first insulator (311) to access its interior.
  • the free end (320) which is thus protected by the tension in the second upper part of (3142) of the electrode is the end of the first insulator (311) which is opposite to the first support (312) on the first guide (31).
  • the figure 3 illustrates an electric fence system for protecting a site with a defined perimeter against an intrusion according to one embodiment of the invention.
  • the electric fence system includes six sections of electric fence wire (2), (2A), (2B), (2C), (2D) and (1) essentially parallel and arranged consecutively essentially horizontally, in this order , at strictly increasing heights.
  • Each of the sections of electric fence wire (1), (2), (2A), (2B), (2C) and (2D) is electrically connected to an electric generator not shown in the figure.
  • the number of sections of electric fence wire shown in the figure 3 does not limit the scope of this embodiment of the invention. For example, there may be at least eight wires, preferably at least 12 wires.
  • the electric fence system comprises the first bar (11) and a second bar (12) fixed to each other.
  • the first bar (11) is preferably fixed to an upper end of the second bar (12) According to an embodiment of the invention, more than two bars form part of the electric fence system.
  • the first and second bars (11) and (12) are straight and rigid. They can be made of conductive material. Their directions form an angle of about 135 degrees.
  • the second bar (12) is arranged essentially vertically so that each of its points is at a height less than the height of each of the points of the first bar (11).
  • the second bar (12) is extended at its ends by directional elements orthogonal to its direction. Fixing means (22) are applied to these elements so as to fix the whole structure of the two bars (11) and (12) to a pole (51) of direction essentially similar to the direction of the second bar (12).
  • this post is fixed to the ground and is part of an electric fence or a grid disposed on the outside of the perimeter to be protected and spaced from the second bar.
  • a first guide (31) supports the first section of electric fence wire (1) and is mechanically coupled to the first bar (11).
  • the details of this first guide are not shown on the figure 3 , but it will be accepted that this is a first guide as shown in the figure 2 .
  • more than one such guide is part of the electric fence system.
  • first additional guides are shown, each comprising an insulator (321), (321A), (321B), (321C) and (321D) respectively and a support (322), (322A), (322B), (322C) and (322D) respectively.
  • more than five additional guides are part of the electric fence system.
  • the insulators (321), (321A), (321B), (321C) and (321D) are mechanically coupled to the supports (322), (322A), (322B), (322C) and (322D) respectively. - same mechanically coupled to the second bar (12).
  • the insulators (321), (321A), (321B), (321C) and (321D) respectively support the sections of electric fence wire (2), (2A), (2B), (2C) and (2D).
  • the distance between two of these guides is preferably less than 50 centimeters, more preferably less than 40 centimeters, more preferably less than 30 centimeters, and even more preferably less than 20 centimeters.
  • the distance two of the sections of electric fence wire (2), (2A), (2B), (2C) and (2D) consecutive is preferably less than 50 centimeters, more preferably less than 40 centimeters , more preferably less than 30 centimeters, and even more preferably less than 20 centimeters.
  • the distance between the sections of electric fence wire (1) and (2D) is preferably less than 50 centimeters.
  • the figure 4 illustrates an electric fence system for protecting a site with a defined perimeter against an intrusion according to one embodiment of the invention.
  • the electric fence system comprises seven sections of electric fence wire (1), (2), (3), (2A), (3A), (2B) and (3B ) arranged essentially horizontally, consecutively in this order and at strictly decreasing heights.
  • Each of the sections of electric fence wire (1), (2), (2A) and (2B) is electrically connected to an electric generator not shown in the figure.
  • Each of the sections of electric fence wire (3), (3A) and (3B) is at a different electrical potential.
  • sections of electric fence wire (1), (2), (2A) and (2B) For example, they can be grounded.
  • the number of sections of electric fence wire shown in the figure 4 does not limit the scope of this embodiment of the invention. According to an embodiment of the invention, some of the sections of electric fence wire are connected together so as to be part of the same electric fence wire.
  • the electric fence system includes a first bar (11), a second bar (12) and a third bar (13). It also includes five other bars (11A), (11B), (11C), (12A) and (13B).
  • the representation of the figure 4 does not limit the number of bars forming part of the electric fence system.
  • the bars (11), (11A), (11B), (11C), (12), (13), (12A) and (13A) are straight and rigid.
  • the bars (11), (11A), (11B) and (11C) are similar and can be made of any material.
  • the bars (12), (13), (12A) and (13A) are similar and made of an electrical insulating material, for example fiberglass.
  • the following pairs of bars are mechanically attached to each other: (11, 12), (11A, 13), (11B, 12A), (11C, 13A).
  • the directions of the two bars in each of the previous pairs form an angle of about 135 degrees.
  • the bars (12), (13), (12A) and (13A) are arranged essentially parallel and essentially vertically, so that each of the points of one of these bars is at a height less than the height of each of the points of the bars (11), (11A), (11B) and (11C).
  • the bars (11), (11A), (11B) and (11C) are in turn arranged essentially parallel.
  • the structures formed by the pairs of bars (11, 12), (11A, 13), (11B, 12A), (11C, 13A) are thus similar and arranged along the perimeter so as to be spaced from one another.
  • fixing means (22) are applied to the bars (12), (13), (12A) and (13A) so as to fix them to posts (51) of directions essentially similar to the direction of the bars ( 12), (13), (12A) and (13A).
  • these posts are fixed to the ground and form part of an electric fence or a grid arranged on the outside of the perimeter to be protected and spaced from the bars (12), (13), (12A) and (13A).
  • guides (31), (31A), (31B) and (31C) support the first section of electric fence wire (1) and are mechanically coupled to the bars (11), (11A), (11B) and (11C ) respectively. Details of these four guides are not shown on the figure 4 , but it will be accepted that these are guides adapted according to the invention and whose representation corresponds to the figure 2 .
  • the representation of the figure 4 is not limiting the number of such guides forming part of the electric fence system.
  • the system according to the invention comprises a plurality of second guides (32), (33), (34), (35), (32A), (33A), (34A), (35A), (32B), ( 33B), (34B), (35B), (32C), (33C), (34C), (35C), (32D), (33D), (34D), (35D), (32E), (33E) , (34E) and (35E).
  • the representation of the figure 4 does not limit the number of such guides additional metal as part of the electric fence system.
  • a first guide as shown in the figure 2 can be called "EMIO".
  • a second guide 32 as shown in figure 4 can be called ECSTD.
  • the metal guides (32), (33), (32C) and (33C) support the section of electric fence wire (2) and are in electrical contact with the latter.
  • the metal guides (34), (35), (34C) and (35C) support the section of electric fence wire (3) and are in electrical contact with the latter.
  • the metal guides (32A), (33A), (32D) and (33D) support the section of electric fence wire (2A) and are in electrical contact with the latter.
  • the metal guides (34A), (35A), (34D) and (35D) support the section of electric fence wire (3A) and are in electrical contact with the latter.
  • the metal guides (32B), (33B), (32E) and (33E) support the section of electric fence wire (2B) and are in electrical contact with the latter.
  • the metal guides (34B), (35B), (34E) and (35E) support the section of electric fence wire (3B) and are in electrical contact with the latter.
  • the metal guides (32), (34), (32A), (34A), (32B) and (34B) are mechanically coupled to the second bar (12). They are arranged consecutively in this order on this bar (12) at strictly decreasing heights and in a direction essentially orthogonal to the direction of the bar (12), alternately in a first direction (91) and a second direction (92) in this direction, this second direction (92) being essentially opposite to the first direction (91).
  • the metal guides (33), (35), (33A), (35A), (33B) and (35B) are mechanically coupled to the third bar (13).
  • the metal guides (32C), (34C), (32D), (34D), (32E) and (34E) are mechanically coupled to the bar (12A). They are arranged consecutively in this order on this bar (12A) at strictly decreasing heights and in a direction essentially orthogonal to the direction of the bar (12A), alternately in the first direction (91) and the second direction (92) in this direction.
  • the metal guides (33C), (35C), (33D), (35D), (33E) and (35E) are mechanically coupled to the bar (13A).
  • the metal guides (32), (35), (32C) and (35C) are arranged in the first direction (91).
  • metal guides (32), (33), (34), (35), (32A), (33A), (34A), (35A), (32B), (33B), (34B), (35B ), (32C), (33C), (34C), (35C), (32D), (33D), (34D), (35D), (32E), (33E), (34E) and (35E) are different from guides (31), (31A), (31B) or (31C).
  • each of these metal guides is formed of a metal wire and is mechanically coupled to one of the bars (12), (13), (12A) and (13A) by means of a plurality of rings surrounding the bar. .
  • each of these metal guides comprises two loops through which passes the section of electric fence wire which it supports.
  • the metal guides (32), (33), (32C) and (33C) are arranged at essentially equal heights.
  • the metal guides (34), (35), (34C) and (35C) are arranged at essentially equal heights.
  • the metal guides (32A), (33A), (32D) and (33D) are arranged at essentially equal heights.
  • the metal guides (34A), (35A), (34D) and (35D) are arranged at essentially equal heights.
  • the metal guides (32B), (33B), (32E) and (33E) are arranged at essentially equal heights.
  • the metal guides (34B), (35B), (34E) and (35E) are arranged at essentially equal heights.
  • the distance between two metal guides arranged consecutively on the same bar is preferably less than 50 centimeters, more preferably less than 40 centimeters, more preferably less than 30 centimeters, and even more preferably less than 20 centimeters.
  • the distance two of the sections of consecutive electric fence wire (2), (3), (2A), (3A), (2B) and (3B) is preferably less than 50 centimeters, more preferably of less than 40 centimeters, more preferably less than 30 centimeters, and even more preferably less than 20 centimeters.
  • the distance between the sections of electric fence wire (1) and (2) is preferably less than 50 centimeters.
  • the electric fence wire section (2) passes successively from a first side of the second bar (12) corresponding to the first direction (91), from a second side of the third bar (13) corresponding to the second direction ( 92), a first side of the bar (12A) corresponding to the first direction (91) and a second side of the bar (13A) corresponding to the second direction (92).
  • the electric fence wire section (3) passes successively, meanwhile, from a second side of the second bar (12) corresponding to the second direction (92), from a first side of the third bar (13) corresponding in the first direction (91), a second side of the bar (12A) corresponding to the second direction (92) and a first side of the bar (13A) corresponding to the first direction (91).
  • a similar reasoning to the sections of electric fence wire (2A), (3A), (2B) and (3B)
  • we deduce two successive sections of electric fence wire from (2), (3) , (2A), (3A), (2B) and (3B) are included in intersecting vertical planes between two consecutive bars among (12), (13), (12A) and (13A).
  • An alert device not shown but preferably arranged in the system can then perform at least one of the following actions: direct a surveillance camera to the area where an electrical contact has been detected, activate lighting in this area and send a message to a electronic device such as a central alarm, computer, telephone or mobile phone.
  • the electric fence system further comprises conductive metallic elements (41), (42), (41A), (42A), (41B), (41C), (42B), (41D), (42D), ( 41E), (43), (44), (43A), (44A), (43B), (43C), (44B), (43D), (44D) and (43E).
  • each of these conductive metallic elements is a spring wound around one of the bars (12), (13), (12A) and (13A), and disposed between two of the consecutive metallic guides (32), (33), (34), (35), (32A), (33A), (34A), (35A), (32B), (33B), (34B), (35B), (32C), (33C), (34C ), (35C), (32D), (33D), (34D), (35D), (32E), (33E), (34E) and (35E) on this bar, so as to be in electrical contact with one and only one of these metal guides and to be at a distance from the other, for example 25 millimeters.
  • the representation of the figure 4 is not limiting the number of such conductive elements forming part of the electric fence system.
  • the conductive elements according to the embodiment shown in the figure 4 then enable the detection system to be activated if an individual attempts to remove two of the consecutive sections of electric fence wire from (2), (3), (2A), (3A), (2B) and (3B) by bringing two metallic guides consecutively disposed on the same bar, since there will be an electrical contact between these two metallic guides via the metallic conductive element without them having to touch each other and this electrical contact will then be immediately detected by the detection device.
  • the invention relates to an electric fence system for intelligent protection of a site with a defined perimeter against an intrusion.
  • the system comprises at least one section of electric fence wire (1) which is arranged along at least part of said perimeter, which is electrically powered and which is supported by at least one guide (31).
  • This guide (31) comprises at least one hollow insulator (311), an electrically conductive elastic element (313) placed at least partially inside the insulator (311) and a conductive element (314) being in electrical contact with the electric fence wire section (1) and at least partially surrounding the elastic element (313) while being at an electric potential different from the latter.
  • the elastic element (313) is capable of bending when a determined force is exerted on the section of electric fence wire (1), thus generating electrical contact with the conductive element (314). This electrical contact can then be picked up by a detection system.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fencing (AREA)

Claims (15)

  1. Elektrozaunsystem zum Schutz eines Grundstücks mit einem bestimmten Umfang gegen ein Eindringen, umfassend:
    - einen elektrischen Generator;
    - einen ersten Abschnitt eines Elektrozaundrahts (1), der entlang mindestens eines Teils des Umfangs angeordnet ist, und der elektrisch mit dem elektrischen Generator verbunden ist;
    - einen ersten Stab (11), dessen erste Hälfte (111) angepasst ist, an einer Stütze (12) befestigt zu werden, die entlang des Umfangs angeordnet ist;
    - eine erste Führung (31), die den ersten Abschnitt des Elektrozaundrahts (1) trägt und die mechanisch mit dem ersten Stab (11) gekoppelt ist;
    und wobei
    - die erste Führung (31) einen ersten hohlen Isolator (311) aufweist, der den ersten Abschnitt des Elektrozaundrahts (1) trägt;
    - die erste Führung (31) einen ersten Träger (312) aufweist, der an einer zweiten Hälfte (112) des ersten Stabs (11) befestigt ist;
    - die erste Führung (31) ein elastisches Element (313) aufweist, das elektrisch leitend ist, das zumindest teilweise im Inneren des ersten Isolators (311) angeordnet ist, und das sowohl mit dem ersten Isolator (311) als auch dem ersten Träger (312) mechanisch gekoppelt ist;
    - die erste Führung (31) ein leitendes Element (314) aufweist, das in elektrischem Kontakt mit dem ersten Abschnitt des Elektrozaundrahts (1) ist;
    dadurch gekennzeichnet, dass
    - das leitende Element (314) einen ersten Teil (3141) aufweist, der das elastische Element (313) zumindest teilweise umgibt;
    - das Elektrozaunsystem eingerichtet ist, dass sich das leitende Element (314) auf einem elektrischen Potential befindet, das sich von demjenigen des elastischen Elements (313) unterscheidet;
    - das Elektrozaunsystem eingerichtet ist, dass das elastische Element (313) angepasst ist, sich zu verbiegen, wenn eine bestimmte Kraft auf den ersten Abschnitt des Elektrozaundrahts (1) ausgeübt wird, um einen elektrischen Kontakt zwischen diesem elastischen Element (313) und dem ersten Teil (3141) des leitenden Elements (314) zu erzeugen;
    - das Elektrozaunsystem eine Erfassungsvorrichtung umfasst, die eingerichtet ist, um einen elektrischen Kontakt zwischen dem leitenden Element (314) und dem elastischen Element (313) zu erfassen.
  2. Elektrozaunsystem nach Anspruch 1, dadurch gekennzeichnet, dass das leitende Element (314) von dem ersten Träger (312) elektrisch isoliert ist, wenn der erste Abschnitt des Elektrozaundrahts (1) auf die bestimmte Kraft wartet.
  3. Elektrozaunsystem nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das elastische Element (313) eine Metallfeder ist, die auf einer Seite mit einem Gewinde des ersten Trägers (312) und auf der anderen Seite mit einem Gewinde des ersten Isolators (311) verschraubt ist.
  4. Elektrozaunsystem nach einem der vorhergehenden Ansprüche, das so angeordnet ist, dass sich das elastische Element (313) auf einem festen Potential, beispielsweise der Erde, befindet.
  5. Elektrozaunsystem nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das leitende Element (314) metallisch ist.
  6. Elektrozaunsystem nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der erste Teil (3141) des leitenden Elements (314) um das elastische Element (313) herum verläuft.
  7. Elektrozaunsystem nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das leitende Element (314) einen zweiten Teil (3142) aufweist, der über ein freies Ende (320) des ersten Isolators (311) hinausragt.
  8. Elektrozaunsystem nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der erste Isolator (311) einen Polyethylenkörper (3111) und einen Klemmkopf (3112) aufweist, der den ersten Abschnitt des Elektrozaundrahts (1) trägt.
  9. Elektrozaunsystem nach Anspruch 8, wenn abhängig von Anspruch 7, dadurch gekennzeichnet, dass der zweite Teil (3142) des leitenden Elements (314) den Klemmkopf (3112) des ersten Isolators (311) mindestens teilweise umgibt.
  10. Elektrozaunsystem nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der erste Isolator (311) das elastische Element (313) und den ersten Teil (3141) des leitenden Elements (314) umschließt.
  11. Elektrozaunsystem nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Stütze (12) eine Wand, ein Gitter, ein Elektrozaun, eine Barriere, ein Pfosten oder ein Stab ist.
  12. System nach einem der vorhergehenden Ansprüche, ferner umfassend eine Warnvorrichtung, die mit der Erfassungsvorrichtung verbunden und eingerichtet ist, mindestens eine der folgenden Aktionen auszuführen, wenn die Erfassungsvorrichtung einen elektrischen Kontakt zwischen dem leitenden Element (314) und dem elastischen Element (313) erfasst:
    - Steuern der Überwachungskameras;
    - Senden eines Signals an eine elektronische Vorrichtung wie eine Alarmzentrale, einen Computer, ein Telefon oder ein Mobiltelefon;
    - Aktivieren eine Beleuchtung, die vorzugsweise auf den Ort gerichtet ist, an dem der elektrische Kontakt zwischen dem leitenden Element (314) und dem elastischen Element (313) auftritt.
  13. Elektrozaunsystem nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der elektrische Generator angepasst ist, eine Spannung zwischen 7000 und 8000 Volt an den ersten Abschnitt des Elektrozaundrahts (1) anzulegen.
  14. Elektrozaunsystem nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Stütze (12) ein zweiter Stab ist, wobei das System ferner umfasst:
    - einen zweiten Abschnitt des Elektrozaundrahts (2), der entlang mindestens eines Abschnitts des Umfangs angeordnet ist und mit dem elektrischen Generator elektrisch verbunden ist;
    - einen zweiten Isolator (321), der den zweiten Abschnitt des Elektrozaundrahts (2) trägt;
    - einen zweiten Träger (322), der mechanisch mit dem zweiten Isolator (321) und mit dem zweiten Stab (12) gekoppelt ist;
    - einen ersten Anschlag (325), der mechanisch mit dem zweiten Träger (322) gekoppelt ist;
    und dass es eingerichtet ist, damit
    - der erste Anschlag (325) auf einem elektrischen Potential liegt, das sich von dem zweiten Abschnitt des Elektrozaundrahts (2) unterscheidet;
    - der erste Anschlag (325) mit dem zweiten Abschnitt des Elektrozaundrahts (2) in elektrischen Kontakt kommt, wenn eine Kraft mit bestimmter Richtung und bestimmter Intensität auf denselben einwirkt;
    - die Erfassungsvorrichtung angepasst ist, einen elektrischen Kontakt zwischen dem ersten Anschlag (325) und dem zweiten Abschnitt des Elektrozaundrahts (2) zu erfassen.
  15. Elektrozaunsystem nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass die Stütze (12) ein zweiter elektrischer Isolierstab ist, dadurch, dass das System ferner umfasst:
    - einen dritten elektrischen Isolierstab (13), der entlang des Umfangs in einer Richtung angeordnet ist, die der Richtung des zweiten Stabs (12) im Wesentlichen ähnlich ist;
    - einen zweiten Abschnitt eines Elektrozaundrahts (2), der entlang mindestens eines Teils des Umfangs angeordnet ist und der elektrisch mit dem elektrischen Generator verbunden ist;
    - einen dritten Abschnitt eines Elektrozaundrahts (3), der entlang mindestens eines Teils des Umfangs angeordnet ist;
    - eine zweite Metallführung (32), die die folgenden Eigenschaften erfüllt:
    « sie ist mechanisch mit dem zweiten Stab (12) gekoppelt;
    « sie ist in einer Richtung angeordnet, die im Wesentlichen orthogonal zur Richtung des zweiten Stabs (12) und in einer ersten Ausrichtung (91) entlang dieser letzteren Richtung ist;
    • sie trägt den zweiten Abschnitt des Elektrozaundrahts (2);
    • sie ist in elektrischem Kontakt mit dem zweiten Abschnitt des Elektrozaundrahts (2);
    - eine dritte Metallführung (33), die die folgenden Eigenschaften erfüllt:
    • sie ist mechanisch mit dem dritten Stab (13) gekoppelt;
    • sie ist in einer Richtung angeordnet, die im Wesentlichen orthogonal zur Richtung des dritten Stabs (13) und in einer zweiten Ausrichtung (92) entlang dieser letzteren Richtung ist, wobei die zweite Ausrichtung (92) im Wesentlichen entgegengesetzt zu der ersten Ausrichtung (91) ist;
    • sie trägt den zweiten Abschnitt des Elektrozaundrahts (2);
    • sie ist in elektrischem Kontakt mit dem zweiten Abschnitt des Elektrozaundrahts (2);
    - eine vierte Metallführung (34), die die folgenden Eigenschaften erfüllt:
    • sie ist mechanisch mit dem zweiten Stab (12) gekoppelt;
    • sie ist gegenüber der zweiten Metallführung (32) an dem zweiten Stab (12) versetzt;
    • sie ist in einer Richtung angeordnet, die im Wesentlichen orthogonal zur Richtung des zweiten Stabs (12) und in der zweiten Ausrichtung (92) entlang dieser letzteren Richtung ist;
    • sie trägt den dritten Abschnitt des Elektrozaundrahts (3);
    • sie ist in elektrischem Kontakt mit dem dritten Abschnitt des Elektrozaundrahts (3);
    - eine fünfte Metallführung (35), die die folgenden Eigenschaften erfüllt:
    • sie ist mechanisch mit dem dritten Stab (13) gekoppelt;
    • sie ist gegenüber der dritten Metallführung (33) an dem dritten Stab (13) versetzt;
    • sie ist in einer Richtung angeordnet, die im Wesentlichen orthogonal zur Richtung des dritten Stabs (13) und in der ersten Ausrichtung (91) entlang dieser letzteren Richtung ist;
    • sie trägt den dritten Abschnitt des Elektrozaundrahts (3);
    • sie ist in elektrischem Kontakt mit dem dritten Abschnitt des Elektrozaundrahts (3);
    und dadurch, dass es eingerichtet ist, damit
    - der dritte Abschnitt des Elektrozaundrahts (3) auf einem anderen elektrischen Potential, das sich von dem zweiten Abschnitt des Elektrozaundrahts (2) unterscheidet;
    - die Erfassungsvorrichtung angepasst ist, einen elektrischen Kontakt zwischen dem dritten Abschnitt des Elektrozaundrahts (3) und dem zweiten Abschnitt des Elektrozaundrahts (2) zu erfassen.
EP18176459.8A 2017-06-30 2018-06-07 Elektrisches zaunsystem mit intelligentem schutz Active EP3422312B8 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE2017/5467A BE1025350B1 (fr) 2017-06-30 2017-06-30 Système de clôture électrique de protection intelligente

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EP3422312A1 EP3422312A1 (de) 2019-01-02
EP3422312B1 true EP3422312B1 (de) 2020-03-25
EP3422312B8 EP3422312B8 (de) 2020-05-06

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Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL86144A (en) * 1987-08-28 1990-06-10 Hitek Protek Systems Inc Taut wire intrusion detection system
BE1013918A3 (fr) * 2000-01-28 2002-12-03 Champion Watching Systeme de cloture de protection contre une intrusion.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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BE1025350B1 (fr) 2019-02-05
EP3422312B8 (de) 2020-05-06
BE1025350A1 (fr) 2019-01-29

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