EP3422312B1 - Electric fence system with smart protection - Google Patents

Electric fence system with smart protection 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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German (de)
French (fr)
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EP3422312A1 (en
EP3422312B8 (en
Inventor
Marc WINDERS
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.)
Eurocloture Sprl
Original Assignee
Eurocloture Sprl
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Publication of EP3422312A1 publication Critical patent/EP3422312A1/en
Application granted granted Critical
Publication of EP3422312B1 publication Critical patent/EP3422312B1/en
Publication of EP3422312B8 publication Critical patent/EP3422312B8/en
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Anticipated expiration legal-status Critical

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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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Description

Domaine techniqueTechnical area

La présente invention concerne un système de clôture électrique de protection d'un site de périmètre déterminé contre une intrusion.The present invention relates to an electric fence system for protecting a site with a defined perimeter against an intrusion.

Art antérieurPrior art

Le brevet belge ayant pour numéro de publication 1009022 et numéro de dépôt 09400134 divulgue un système de clôture électrique de protection d'un site de périmètre déterminé contre une intrusion. Un problème connu de ce système connu est qu'il n'est pas assez sécurisé.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.

Le brevet belge BE 1013918 A3 divulgue un autre système de clôture électrique de protection d'un site de périmètre déterminé contre une intrusion.The Belgian patent BE 1013918 A3 discloses another electric fence system for protecting a site with a defined perimeter against an intrusion.

Résumé de l'inventionSummary of the invention

Un objet de la présente invention est de fournir un système de clôture électrique apte à protéger un site de périmètre déterminé contre une intrusion et particulièrement sécurisé.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.

À cet effet, l'invention propose un système de clôture électrique de protection d'un site de périmètre déterminé contre une intrusion, comprenant :

  • un générateur électrique ;
  • un premier tronçon de fil de clôture électrique qui est disposé le long d'au moins une partie du périmètre et qui est relié électriquement au générateur électrique ;
  • une première barre dont une première moitié est apte à être fixée à un appui disposé le long du périmètre ;
  • un premier guide qui supporte le premier tronçon de fil de clôture électrique et qui est couplé mécaniquement à la première barre ;
caractérisé en ce que
  • le premier guide comporte un premier isolateur creux qui supporte le premier tronçon de fil de clôture électrique ;
  • le premier guide comporte un premier support qui est fixé à une deuxième moitié de la première barre ;
  • le premier guide comporte un élément élastique qui est conducteur électrique, qui est placé au moins partiellement à l'intérieur du premier isolateur et qui est couplé mécaniquement à la fois au premier isolateur et au premier support ;
  • le premier guide comporte un élément conducteur qui est en contact électrique avec le premier tronçon de fil de clôture électrique ;
  • l'élément conducteur comporte une première partie qui entoure au moins partiellement l'élément élastique ;
  • le système de clôture électrique est agencé pour que l'élément conducteur soit à un potentiel électrique différent de l'élément élastique ;
  • le système de clôture électrique est agencé pour que l'élément élastique soit apte à se fléchir lorsqu'un effort déterminé est exercé sur le premier tronçon de fil de clôture électrique, de telle façon à engendrer un contact électrique entre l'élément élastique et la première partie de l'élément conducteur ;
  • le système de clôture électrique comprend un dispositif de détection agencé pour détecter un contact électrique entre l'élément conducteur et l'élément élastique.
To this end, the invention proposes an electric fence system for protecting a site with a defined perimeter against an intrusion, comprising:
  • an electric generator;
  • a first section of electric fence wire which is arranged along at least part of the perimeter and which is electrically connected to the electric generator;
  • a first bar, a first half of which is capable of being fixed to a support disposed along the perimeter;
  • a first guide which supports the first section of electric fence wire and which is mechanically coupled to the first bar;
characterized in that
  • the first guide includes a first hollow insulator which supports the first section of electric fence wire;
  • the first guide comprises a first support which is fixed to a second half of the first bar;
  • the first guide comprises an elastic element which is electrically conductive, which is placed at least partially inside the first insulator and which is mechanically coupled both to the first insulator and to the first support;
  • the first guide comprises a conductive element which is in electrical contact with the first section of electric fence wire;
  • the conductive element comprises a first part which at least partially surrounds the elastic element;
  • the electric fence system is arranged so that the conductive element is at an electrical potential different from the elastic element;
  • the electric fence system is arranged so that the elastic element is able to bend when a determined force is exerted on the first section of electric fence wire, so as to generate an electrical contact between the elastic element and the first part of the conductive element;
  • the electric fence system comprises a detection device arranged to detect an electrical contact between the conductive element and the elastic element.

Le système proposé par l'invention est particulièrement sécurisé car il permet la détection des forces significatives exercées sur les certains éléments composant la clôture électrique. En effet, d'une part, l'existence même du premier tronçon de fil de clôture électrique et d'une tension électrique dans le système de clôture électrique est de nature à décourager toute intrusion. D'autre part, lorsqu'un individu tente de s'introduire dans le site, par exemple, en modifiant la position du premier tronçon de fil de clôture électrique de façon à permettre une intrusion, si un effort au moins égal à l'effort déterminé est exercé sur le premier tronçon de fil de clôture électrique, il survient un fléchissement de l'élément élastique et de l'isolateur du premier guide compte tenu du fait que ces deux éléments sont couplés mécaniquement. En conséquence, la distance entre l'élément élastique et l'élément conducteur diminue et, vu que ceux-ci sont à des potentiels électriques différents et que la première partie de l'élément conducteur entoure au moins partiellement l'élément élastique, un contact électrique se crée entre ces deux éléments du premier guide. Etant donné que le dispositif de détection est agencé pour détecter un tel contact électrique, la modification de la position du premier tronçon de fil de clôture électrique par l'individu de façon à permettre une intrusion est ainsi détectée.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. On the one hand, 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. On the other hand, when 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. Consequently, 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.

Le système selon l'invention permet en particulier de détecter la pose d'une échelle sur la clôture électrique. En effet, la barre étant fixée sur l'appui par une de ses moitiés, par exemple sa moitié inférieure, alors que le premier guide est fixé sur l'autre moitié de la barre, le guide est à une position en hauteur adéquate pour détecter la pose d'un objet reposant en hauteur sur la clôture électrique.The system according to the invention makes it possible in particular to detect the installation of a ladder on the electric fence. Indeed, 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.

De même, le système permet la détection d'une force significative qui, exercée sur le premier guide en lui-même, l'écarterait de sa position au repos.Similarly, 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.

En outre, le système selon l'invention permet de détecter toute coupure du fil ou mise à la masse du fil.In addition, the system according to the invention makes it possible to detect any cut in the wire or grounding of the wire.

Dans un mode de réalisation de l'invention, le premier guide est fixé à une extrémité supérieure de la première barre.In one embodiment of the invention, the first guide is fixed to an upper end of the first bar.

Préférentiellement, le système de clôture électrique est insensible aux variations atmosphériques normales.Preferably, the electric fence system is insensitive to normal atmospheric variations.

Le système de clôture électrique proposé par l'invention peut, par exemple, servir à protéger des propriétés privées, des centres logistiques, ou des aires d'entreposage de véhicules, d'autres valeurs ou de matériel. Avantageusement, le système de clôture électrique selon l'invention peut aussi servir à éviter des évasions de prison.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. Advantageously, the electric fence system according to the invention can also be used to avoid prison escapes.

Préférentiellement, le dispositif de détection est agencé pour détecter toute chute de tension dans le premier tronçon de fil de clôture électrique. Par exemple, il peut être capable de détecter toute chute de tension équivalente à un court-circuit électrique entre 500 et 100 ohms. Il est de préférence agencé pour détecter si le premier tronçon de fil de clôture électrique est coupé.Preferably, the detection device is arranged to detect any voltage drop in the first section of electric fence wire. For example, 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.

Avantageusement, le système de clôture électrique proposé par l'invention peut-être utilisé isolément ou en complément d'autres moyens de protection. En particulier, l'appui susmentionné peut être un mur, un treillis, une barrière, un poteau, une barre ou même un autre système de clôture électrique de protection du site.Advantageously, the electric fence system proposed by the invention can be used in isolation or in addition to other protection means. In particular, 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.

Selon un mode de réalisation, le système de clôture électrique comprend en outre au moins un élément de fixation couplant mécaniquement la première barre à l'appui.According to one embodiment, the electric fence system further comprises at least one fixing element mechanically coupling the first bar to the support.

Selon un mode de réalisation de l'invention, le centre de gravité du premier guide est situé plus haut que le centre de gravité de la première barre.According to one embodiment of the invention, the center of gravity of the first guide is located higher than the center of gravity of the first bar.

Selon un mode de réalisation de l'invention, le centre de gravité de la première barre est situé plus haut que le centre de gravité de l'appui.According to one embodiment of the invention, the center of gravity of the first bar is located higher than the center of gravity of the support.

Selon un mode de réalisation, le système de clôture électrique comprend plusieurs barres, chacune étant apte à être fixée à un appui disposé le long du périmètre, et plusieurs guides qui supportent le premier tronçon de fil de clôture électrique, chacun étant couplé mécaniquement à une des barres.According to one embodiment, 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.

Selon un mode de réalisation, le système de clôture électrique comporte plusieurs tronçons de fil de clôture électrique reliés électriquement au générateur électrique et supportés par des guides couplés mécaniquement à un appui disposé le long du périmètre.According to one embodiment, 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.

Selon un mode de réalisation de l'invention, le générateur électrique est celui décrit brevet belge ayant pour numéro de publication 1009022 et est agencé pour envoyer des impulsions électriques dans le premier tronçon de fil de clôture électrique.According to one embodiment of the invention, 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.

Le système est de préférence agencé pour que le générateur électrique génère dans le premier tronçon de fil de clôture électrique une tension électrique suffisamment haute pour décourager toute intrusion. Par exemple, la tension électrique dans le premier tronçon peut être entre 1000 et 9000 Volt, de préférence entre 7000 et 8000 Volt.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. For example, the electrical voltage in the first section can be between 1000 and 9000 Volt, preferably between 7000 and 8000 Volt.

Préférentiellement, la première partie de l'élément conducteur qui entoure au moins partiellement l'élément élastique est située du côté du premier support du premier guide.Preferably, 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.

Préférentiellement, le système est tel que le premier tronçon de fil de clôture électrique et la première barre sont perpendiculaires dans le voisinage du premier guide.Preferably, 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.

Préférentiellement, la première barre est rectiligne et rigide.Preferably, the first bar is straight and rigid.

Selon un mode de réalisation de l'invention, la première barre est constituée dans un matériau conducteur électrique.According to one embodiment of the invention, the first bar is made of an electrically conductive material.

Selon un autre mode de réalisation de l'invention, la première barre est isolante électrique.According to another embodiment of the invention, the first bar is electrically insulating.

Préférentiellement, le premier tronçon de fil de clôture électrique est réalisé en câble aluminimum-chrome de 16 à 18 dixièmes de millimètres de diamètre.Preferably, the first section of electric fence wire is made of aluminimum-chrome cable from 16 to 18 tenths of a millimeter in diameter.

Selon un mode de réalisation de l'invention, l'élément conducteur est isolé électriquement du premier support lorsque le premier tronçon de fil de clôture électrique est en attente de l'effort déterminé.According to one embodiment of the invention, the conductive element is electrically isolated from the first support when the first section of electric fence wire is awaiting the determined force.

En d'autres termes, l'élément conducteur est isolé électriquement du premier support lorsque le premier tronçon de fil de clôture électrique n'est pas soumis à l'effort déterminé.In other words, 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.

Avantageusement, l'invention selon ce mode de réalisation permet un contact électrique permanent entre l'élément élastique et le premier support.Advantageously, the invention according to this embodiment allows permanent electrical contact between the elastic element and the first support.

Selon un mode de réalisation de l'invention, le premier support est un élément métallique qui est contact électrique avec l'élément élastique et qui est relié à la terre.According to one embodiment of the invention, the first support is a metallic element which is in electrical contact with the elastic element and which is connected to earth.

Selon un mode de réalisation de l'invention, l'élément élastique est un ressort métallique vissé d'un côté sur un filet, de préférence extérieur, du premier support et d'un autre côté sur un filet, de préférence intérieur, du premier isolateur.According to one embodiment of the invention, 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.

Avantageusement, l'élément élastique de l'invention selon ce mode de réalisation est autobloquant, bon conducteur électrique et flexible.Advantageously, the elastic element of the invention according to this embodiment is self-locking, good electrical conductor and flexible.

Selon un mode de réalisation, le système de clôture électrique est agencé pour que l'élément élastique soit à un potentiel fixe, par exemple la terre.According to one embodiment, the electric fence system is arranged so that the elastic element is at a fixed potential, for example the earth.

Selon un mode de réalisation de l'invention, l'élément conducteur est métallique.According to one embodiment of the invention, the conductive element is metallic.

Selon un mode de réalisation de l'invention, la première partie de l'élément conducteur fait le tout de l'élément élastique.According to one embodiment of the invention, the first part of the conductive element forms the whole of the elastic element.

Avantageusement, l'invention selon ce mode de réalisation permet la détection d'un fléchissement de l'élément élastique du premier guide dans toutes les directions. En particulier, l'invention selon ce mode de réalisation permet la détection d'une modification de la position de repos du premier tronçon de fil de clôture électrique et du premier guide quelle que soit la direction dans laquelle est exercée la force à l'origine de cette modification.Advantageously, the invention according to this embodiment allows the detection of a deflection of the elastic element of the first guide in all directions. In particular, 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.

Selon un mode de réalisation de l'invention, l'élément conducteur comporte une deuxième partie qui entoure au moins partiellement une face extérieure du premier isolateur.According to one embodiment of the invention, the conductive element comprises a second part which at least partially surrounds an external face of the first insulator.

Selon un mode de réalisation de l'invention, l'élément conducteur comporte une deuxième partie dépasse une extrémité libre dudit premier isolateur.According to one embodiment of the invention, the conductive element comprises a second part projects beyond a free end of said first insulator.

Avantageusement, l'élément conducteur étant en contact électrique avec le premier tronçon de fil de clôture électrique et donc sous tension, l'invention selon ce mode de réalisation décourage un individu mal intentionné qui souhaiterait manipuler le premier guide.Advantageously, 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.

Préférentiellement, la deuxième partie de l'élément conducteur qui entoure au moins partiellement une face extérieure du premier isolateur est située du côté du premier support du premier tronçon de fil de clôture électrique.Preferably, 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.

Préférentiellement, l'invention est telle que le premier isolateur comporte un corps en polyéthylène et une tête de serrage qui supporte le premier tronçon de fil de clôture électrique.Preferably, 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.

Plus préférentiellement encore, l'élément conducteur comporte une deuxième partie qui entoure au moins partiellement la tête de serrage du premier isolateur.Even more preferably, the conductive element comprises a second part which at least partially surrounds the clamping head of the first insulator.

Avantageusement, l'élément conducteur étant en contact électrique avec le premier tronçon de fil de clôture électrique, l'invention selon ce mode de réalisation décourage un individu mal intentionné qui souhaiterait manipuler le premier guide en dévissant la tête de serrage du premier isolateur pour accéder à sa partie intérieure.Advantageously, the conductive element being in electrical contact with the first section of electrical fence wire, the invention according to this embodiment 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.

Selon un mode de réalisation de l'invention, le premier isolateur enferme l'élément élastique et la première partie de l'élément conducteur.According to one embodiment of the invention, the first insulator encloses the elastic element and the first part of the conductive element.

Avantageusement, l'invention selon ce mode de réalisation protège l'intérieur de l'isolateur contre une détérioration extérieure.Advantageously, the invention according to this embodiment protects the interior of the insulator against external deterioration.

Plus particulièrement, l'invention selon ce mode de réalisation protège l'élément élastique et la première partie de l'élément conducteur contre une intrusion extérieure mal intentionnée ayant pour objectif de bloquer la conductivité entre l'élément élastique et l'élément conducteur lors d'un fléchissement de l'élément élastique.More particularly, the invention according to this embodiment 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.

Selon un mode de réalisation de l'invention, l'appui est un mur, un treillis, une clôture électrique, une barrière, un poteau ou une barre.According to one embodiment of the invention, the support is a wall, a trellis, an electric fence, a barrier, a post or a bar.

Selon un mode de réalisation, le système de clôture électrique comprend en outre un dispositif d'alerte connecté au dispositif de détection et agencé pour réaliser au moins une des actions suivantes lorsque le dispositif de détection détecte un contact électrique entre l'élément conducteur et l'élément élastique :

  • piloter des caméras de surveillance ;
  • envoyer un signal sur un dispositif électronique tel qu'une centrale d'alerte, un ordinateur, un téléphone ou un téléphone portable ;
  • activer un éclairage, de préférence dirigé vers l'endroit où le contact électrique entre l'élément conducteur et l'élément élastique se produit.
According to one embodiment, the electric fence system further comprises an alert device connected to the detection device and arranged to perform at least one of the following actions when the detection device detects an electrical contact between the conductive element and the elastic element:
  • pilot surveillance cameras;
  • send a signal to an electronic device such as a central alarm, computer, telephone or mobile phone;
  • activate lighting, preferably directed towards the place where the electrical contact between the conductive element and the elastic element occurs.

Ces différentes techniques permettent d'avertir les personnes concernées, de lever le doute sur une intrusion via les caméras, ou même de dissuader une intrusion. En outre, le dispositif d'alerte peut être placé dans un bornier.These different techniques make it possible to warn the persons concerned, to remove the doubt about an intrusion via the cameras, or even to dissuade an intrusion. In addition, the alert device can be placed in a terminal block.

Selon un mode de réalisation de l'invention, le générateur électrique est apte à fournir une tension entre 7000 et 8000 Volt au premier tronçon de fil de clôture électrique.According to one embodiment of the invention, the electric generator is able to supply a voltage between 7000 and 8000 Volt to the first section of electric fence wire.

Avantageusement, cette tension permet d'obtenir un effet dissuasif si un individu touche le premier tronçon de fil de clôture électrique.Advantageously, this voltage makes it possible to obtain a deterrent effect if an individual touches the first section of electric fence wire.

Suivant une forme de réalisation particulière de l'invention, d'une part, l'appui est une deuxième barre, d'autre part, le système de clôture électrique comprend en outre :

  • un deuxième tronçon de fil de clôture électrique qui est disposé le long d'au moins une partie du périmètre et qui est relié électriquement au générateur électrique ;
  • un deuxième isolateur qui supporte le deuxième tronçon de fil de clôture électrique ;
  • un deuxième support qui est couplé mécaniquement au deuxième isolateur et à la deuxième barre ;
  • une première butée qui est couplée mécaniquement au deuxième support ;
et il est agencé pour que :
  • la première butée soit à un potentiel électrique différent du deuxième tronçon de fil de clôture électrique ;
  • la première butée entre en contact électrique avec le deuxième tronçon de fil de clôture électrique lorsqu'une force de direction et d'intensité déterminées agit sur celui-ci ;
  • le dispositif de détection soit apte à détecter un contact électrique entre la première butée et le deuxième tronçon de fil de clôture électrique.
According to a particular embodiment of the invention, on the one hand, the support is a second bar, on the other hand, the electric fence system further comprises:
  • a second section of electric fence wire which is arranged along at least part of the perimeter and which is electrically connected to the electric generator;
  • a second insulator which supports the second section of electric fence wire;
  • a second support which is mechanically coupled to the second insulator and to the second bar;
  • a first stop which is mechanically coupled to the second support;
and it is arranged so that:
  • the first stop is at an electrical potential different from the second section of electric fence wire;
  • the first stop comes into electrical contact with the second section of electric fence wire when a determined direction and intensity force acts on it;
  • the detection device is capable of detecting an electrical contact between the first stop and the second section of electric fence wire.

Préférentiellement, la première butée et le deuxième tronçon de fil de clôture électrique sont disposés à une distance déterminée de telle façon à entrer en contact électrique lorsqu'un individu tente d'écarter le fil en direction de la butée. Avantageusement, la tentative d'intrusion est alors signalée par le dispositif de détection.Preferably, 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. Advantageously, the intrusion attempt is then signaled by the detection device.

Préférentiellement, la première butée est dans un plan sécant non perpendiculaire à la direction de la deuxième barre.Preferably, the first stop is in a secant plane not perpendicular to the direction of the second bar.

Préférentiellement, la première butée est agencée pour s'étendre au moins de deux côtés du deuxième tronçon de fil électrique.Preferably, the first stop is arranged to extend at least on two sides of the second section of electric wire.

Préférentiellement, la première butée a une forme en U.Preferably, the first stop has a U-shape.

Préférentiellement, la première butée est constituée d'un matériau conducteur et est relié à la terre.Preferably, the first stop is made of a conductive material and is connected to the ground.

Ce mode de réalisation de l'invention n'exclut pas que les premier et le deuxième tronçons de fil de clôture électrique soient raccordés mécaniquement et électriquement l'un à l'autre.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.

Suivant une forme de réalisation particulière de l'invention qui est distincte de la précédente, d'une part, l'appui est une deuxième barre isolante électrique, d'autre part, le système de clôture électrique comprend en outre :

  • une troisième barre isolante électrique qui est disposée sur le long du périmètre dans une direction essentiellement semblable à la direction de la deuxième barre ;
  • un deuxième tronçon de fil de clôture électrique qui est disposé le long d'au moins une partie du périmètre et qui est relié électriquement au générateur électrique ;
  • un troisième tronçon de fil de clôture électrique qui est disposé le long d'au moins une partie du périmètre ;
  • un deuxième guide métallique qui satisfait aux propriétés suivantes :
    • il est couplé mécaniquement à la deuxième barre ;
    • il est disposé dans une direction essentiellement orthogonale à la direction de la deuxième barre et dans un premier sens selon cette dernière direction ;
    • il supporte le deuxième tronçon de fil de clôture électrique ;
    • il est en contact électrique avec le deuxième tronçon de fil de clôture électrique ;
  • un troisième guide métallique qui satisfait aux propriétés suivantes :
    • il est couplé mécaniquement à la troisième barre ;
    • il est disposé dans une direction essentiellement orthogonale à la direction de la troisième barre et dans un deuxième sens selon cette dernière direction, ce deuxième sens étant essentiellement opposé au premier sens ;
    • il supporte le deuxième tronçon de fil de clôture électrique ;
    • il est en contact électrique avec le deuxième tronçon de fil de clôture électrique ;
  • un quatrième guide métallique qui satisfait aux propriétés suivantes :
    • il est couplé mécaniquement à la deuxième barre ;
    • il est décalé par rapport au deuxième guide métallique sur la deuxième barre ;
    • il est disposé dans une direction essentiellement orthogonale à la direction de la deuxième barre et dans le deuxième sens susmentionné selon cette dernière direction ;
    • il supporte le troisième tronçon de fil de clôture électrique ;
    • il est en contact électrique avec le troisième tronçon de fil de clôture électrique ;
  • un cinquième guide métallique qui satisfait aux propriétés suivantes :
    • il est couplé mécaniquement à la troisième barre ;
    • il est décalé par rapport au troisième guide métallique sur la troisième barre ;
    • il est disposé dans une direction essentiellement orthogonale à la direction de la troisième barre et dans le premier sens susmentionné selon cette dernière direction ;
    • il supporte le troisième tronçon de fil de clôture électrique ;
    • il est en contact électrique avec le troisième tronçon de fil de clôture électrique ;
et il est agencé pour que :
  • le troisième tronçon de fil de clôture électrique soit à un potentiel électrique différent du deuxième tronçon de fil de clôture électrique ;
  • le dispositif de détection soit apte à détecter un contact électrique entre le troisième tronçon de fil de clôture électrique et le deuxième tronçon de fil de clôture électrique.
According to a particular embodiment of the invention which is distinct from the previous one, on the one hand, the support is a second electrical insulating bar, on the other hand, the electric fence system further comprises:
  • a third electrical insulating bar which is disposed along the perimeter in a direction substantially similar to the direction of the second bar;
  • a second section of electric fence wire which is arranged along at least part of the perimeter and which is electrically connected to the electric generator;
  • a third section of electric fence wire which is disposed along at least part of the perimeter;
  • a second metal guide which satisfies the following properties:
    • it is mechanically coupled to the second bar;
    • it is arranged in a direction essentially orthogonal to the direction of the second bar and in a first direction in the latter direction;
    • it supports the second section of electric fence wire;
    • it is in electrical contact with the second section of electric fence wire;
  • a third metallic guide which satisfies the following properties:
    • it is mechanically coupled to the third bar;
    • it is arranged in a direction essentially orthogonal to the direction of the third bar and in a second direction in this latter direction, this second direction being essentially opposite to the first direction;
    • it supports the second section of electric fence wire;
    • it is in electrical contact with the second section of electric fence wire;
  • a fourth metallic guide which satisfies the following properties:
    • it is mechanically coupled to the second bar;
    • it is offset from the second metal guide on the second bar;
    • it is arranged in a direction essentially orthogonal to the direction of the second bar and in the aforementioned second direction in this latter direction;
    • it supports the third section of electric fence wire;
    • it is in electrical contact with the third section of electric fence wire;
  • a fifth metallic guide which satisfies the following properties:
    • it is mechanically coupled to the third bar;
    • it is offset from the third metal guide on the third bar;
    • it is arranged in a direction essentially orthogonal to the direction of the third bar and in the first direction mentioned above in this latter direction;
    • it supports the third section of electric fence wire;
    • it is in electrical contact with the third section of electric fence wire;
and it is arranged so that:
  • the third section of electric fence wire is at an electrical potential different from the second section of electric fence wire;
  • the detection device is capable of detecting an electrical contact between the third section of electric fence wire and the second section of electric fence wire.

Avantageusement, cette position des deuxième, troisième, quatrième et cinquième guides métalliques dans le système selon l'invention est telle que les deuxième et troisième tronçons de fil de clôture électrique définissent des droites non parallèles entre la deuxième barre et la troisième barre. Par conséquent, si un individu cherche à passer le système de clôture électrique en rapprochant les deuxième et troisième tronçons de fil de clôture électrique, alors ceux-ci se toucheront, ce qui créera un contact électrique entre eux qui sera détecté par le dispositif de détection.Advantageously, 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.

Avantageusement, les éléments additionnels de cette forme de réalisation particulière de l'invention sont particulièrement faciles à fabriquer et bon marché car ils ne nécessitent que des barres isolantes, des guides métalliques qui peuvent être très simples et du fil électrique.Advantageously, 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.

Avantageusement, les éléments additionnels de cette forme de réalisation particulière de l'invention sont particulièrement discrets car ils ne nécessitent pas d'isolateurs pour isoler les deuxième et troisième tronçons de fil de clôture électrique car l'isolation entre les fils est assurée par les barres.Advantageously, 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 .

Avantageusement, les éléments additionnels de cette forme de réalisation particulière de l'invention sont particulièrement rapides à installer, notamment parce qu'ils ne nécessitent pas de disposer de butée à une distance déterminée du deuxième ou du troisième tronçon de fil de clôture électrique.Advantageously, 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.

Dans le système de clôture électrique suivant ce mode de réalisation, les deuxième, troisième, quatrième et cinquième guides métalliques sont destinés à coupler mécaniquement deuxième et troisième tronçons de fil de clôture électrique aux deuxième et troisième barres et à les guider.In the electric fence system according to this embodiment, 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.

Préférentiellement, les deuxième et troisième barres sont rectilignes, rigides et parallèles.Preferably, the second and third bars are rectilinear, rigid and parallel.

Préférentiellement, chacun des guides métalliques est en acier gavlanisé et tel que le tronçon de fil de clôture électrique et la barre qu'il couple sont essentiellement perpendiculaires l'un à l'autre.Preferably, 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.

Préférentiellement, le système de clôture électrique suivant ce mode de réalisation est agencé pour le deuxième guide métallique soit essentiellement à la même hauteur que le troisième guide métallique et le quatrième guide métallique soit essentiellement à la même hauteur que le cinquième guide métallique.Preferably, 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.

Ce mode de réalisation de l'invention n'exclut pas que les premier et le deuxième tronçons de fil de clôture électrique soient raccordés mécaniquement et électriquement l'un à l'autre.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.

Suivant la forme de réalisation particulière précédente de l'invention, le système de clôture électrique comprend préférentiellement un élément métallique qui est en contact électrique avec le quatrième guide métallique et qui s'étend le long de la deuxième barre depuis le quatrième guide métallique vers le deuxième guide métallique.According to the previous particular embodiment of the invention, 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.

Avantageusement, si un individu d'écarter les deuxième et troisième tronçons de fil de clôture électrique en rapprochant le deuxième guide métallique du quatrième guide métallique, il se produira un contact électrique entre eux via l'élément conducteur sans qu'ils ne doivent se toucher. Ce contact électrique sera alors immédiatement détecté par le dispositif de détection.Advantageously, if an individual discards the second and third sections of electric fence wire by bringing the second metal guide closer to the fourth metal guide, there will be electrical contact between them via the conductive element without them having to touch each other. . This electrical contact will then be immediately detected by the detection device.

Préférentiellement, le système de clôture électrique suivant ce mode de réalisation particulier comprend un autre un élément métallique qui est en contact électrique avec le cinquième guide métallique et qui s'étend le long de la troisième barre depuis le cinquième guide métallique vers le troisième guide métallique.Preferably, the electric fence system according to this particular embodiment 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. .

Préférentiellement, l'élément conducteur suivant ce mode de réalisation comprend une pluralité d'anneaux entourant la deuxième barre. Par exemple, l'élément conducteur peut être un ressort.Preferably, the conductive element according to this embodiment comprises a plurality of rings surrounding the second bar. For example, the conductive element can be a spring.

Brève description des figuresBrief description of the figures

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui suit pour la compréhension de laquelle on se reportera aux figures annexées parmi lesquelles :

  • la figure 1 illustre une vue en perspective d'un système de clôture électrique selon un mode de réalisation de l'invention ;
  • la figure 2 illustre une vue en trois dimension d'un guide adapté pour l'invention ;
  • la figure 3 illustre une vue en perspective d'un système de clôture électrique selon un mode de réalisation de l'invention ;
  • la figure 4 illustre une vue du dessus d'un isolateur et d'une butée adaptés pour un mode de réalisation de l'invention ;
  • la figure 4 illustre une vue en perspective d'un système de clôture électrique selon un mode de réalisation de l'invention.
Other characteristics and advantages of the invention will appear on reading the detailed description which follows for the understanding of which reference will be made to the appended figures among which:
  • the figure 1 illustrates a perspective view of an electric fence system according to an embodiment of the invention;
  • the figure 2 illustrates a three-dimensional view of a guide adapted for the invention;
  • the figure 3 illustrates a perspective view of an electric fence system according to an embodiment of the invention;
  • the figure 4 illustrates a top view of an isolator and a stop adapted for an embodiment of the invention;
  • the figure 4 illustrates a perspective view of an electric fence system according to an embodiment of the invention.

Les dessins des figures ne sont pas à l'échelle. Généralement, des éléments semblables sont dénotés par des références semblables dans les figures. En outre, les éléments identiques ou analogues peuvent porter les mêmes références.The drawings of the figures are not to scale. Generally, similar elements are denoted by similar references in the figures. In addition, identical or analogous elements may bear the same references.

Modes de réalisation de l'inventionModes of Carrying Out the Invention

La présente invention est décrite avec des réalisations particulières et des références à des figures mais l'invention n'est pas limitée par celles-ci. Les dessins ou figures décrits ne sont que schématiques et ne sont pas limitants.The present invention is described with particular embodiments and references to figures, but the invention is not limited by these. The drawings or figures described are only schematic and are not limiting.

Dans le cadre du présent document, la notion de « couplage mécanique » entre deux éléments fait préférentiellement référence à un maintien mécanique fixe des positions de ces deux éléments l'un par rapport à l'autre. En particulier, un couplage mécanique entre deux éléments inclut la possibilité d'une fixation directe entre ces deux éléments, mais également celle d'une fixation indirecte au moyen d'au moins un élément intermédiaire. Toutefois, un couplage mécanique entre deux éléments n'exclut pas formellement un possible mouvement relatif entre ces deux éléments.In the context of this document, the concept of "mechanical coupling" between two elements preferably refers to a fixed mechanical holding of the positions of these two elements with respect to each other. In particular, 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. However, a mechanical coupling between two elements does not formally exclude a possible relative movement between these two elements.

Dans le cadre du présent document, « l'intérieur » d'un objet tridimensionnel creux est l'espace inclus au dedans de la surface concave définie par l'objet lui-même. En particulier, le volume intérieur de l'objet est, par définition, fini, alors que le volume extérieur de l'objet est infini.For the purposes of this document, the "interior" of a hollow three-dimensional object is the space included within the concave surface defined by the object itself. In particular, the interior volume of the object is, by definition, finite, while the exterior volume of the object is infinite.

Dans le cadre du présent document, une « direction » dans l'espace tridimensionnel usuel est définie par la donnée d'une droite de l'espace. En particulier, deux droites parallèles de l'espace définissent la même direction. Chaque direction dans l'espace possède deux « sens ». Si A et B sont deux points quelconques distincts d'une droite définissant une certaine direction dans l'espace, le parcours de la droite en passant par A en premier et par B ensuite définit un premier sens selon cette direction, alors que le parcours de la droite en passant par B en premier et par A ensuite définit un deuxième sens selon cette direction, celui-ci étant dit « opposé » au premier sens. Deux directions de l'espace sont dites « orthogonales » s'il existe deux droites perpendiculaires de l'espace qui définissent ces deux directions.In the context of this document, a "direction" in the usual three-dimensional space is defined by the data of a line of space. In particular, 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.

Dans le contexte du présent document, les termes « premier », « deuxième », « troisième » et « quatrième » servent uniquement à différencier les différents éléments et n'impliquent pas d'ordre entre ces éléments.In the context of this document, the terms “first”, “second”, “third” and “fourth” serve only to differentiate between the different elements and do not imply an order between them.

La figure 1 illustre un système de clôture électrique de protection d'un site de périmètre déterminé contre une intrusion selon un mode de réalisation de l'invention. Le système illustré à la figure 1 peut être appelé système de type « bas-volet ».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.

Dans la représentation de la figure 1, le système de clôture électrique comprend quatre tronçons de fil de clôture électrique (1) essentiellement parallèles et disposés de façon essentiellement horizontale. Chacun des tronçons de fil de clôture électrique (1) est relié électriquement à un générateur électrique non représenté sur la figure. Selon un mode de réalisation de l'invention, ces tronçons de fil de clôture électrique sont connectées ensemble de telle façon à faire partie du même fil de clôture électrique. Selon un mode de réalisation de l'invention, plus de quatre tronçons de fil de clôture électrique font partie du système de clôture électrique.In the representation of the figure 1 , 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. According to one embodiment of the invention, these sections of fence wire electric wires are connected together so that they are part of the same electric fence wire. According to one embodiment of the invention, more than four sections of electric fence wire are part of the electric fence system.

Dans la représentation de la figure 1, le système de clôture électrique comprend une première barre (11) et une deuxième barre (11A) de premières moitiés (111) et (111A) respectivement et de deuxièmes moitiés (112) et (112A) respectivement. Selon un mode de réalisation de l'invention, plus de deux barres font partie du système de clôture électrique. Selon un mode de réalisation de l'invention, le nombre de barres est différent du nombre de tronçons de fil de clôture électrique.In the representation of the figure 1 , 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. According to one embodiment of the invention, more than two bars form part of the electric fence system. According to one embodiment of the invention, the number of bars is different from the number of sections of electric fence wire.

Dans la représentation de la figure 1, les barres (11) et (11A) comprennent deux parties, essentiellement rectilignes et rigides et faisant un angle d'environ 135 degrés.In the representation of the figure 1 , the bars (11) and (11A) comprise two parts, essentially rectilinear and rigid and forming an angle of approximately 135 degrees.

Dans la représentation de la figure 1, l'appui (12) est un mur disposé le long du périmètre à protéger. Des moyens de fixations (21) fixent les premières moitiés (111) et (111A) des barres (11) et (11A) le long du mur (12).In the representation of the figure 1 , 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).

Dans la représentation de la figure 1, un premier guide (31) et un troisième guide (31B) supportent le premier tronçon de fil de clôture électrique (1), et un deuxième guide (31A) et un quatrième guide (31C) supportent le deuxième tronçon de fil de clôture électrique (1). Selon un mode de réalisation de l'invention, plus de quatre guides font partie du système de clôture électrique.In the representation of the figure 1 , a first guide (31) and a third guide (31B) support the first section of electric fence wire (1), and a second guide (31A) and a fourth guide (31C) support the second section of electric fence wire (1). According to one embodiment of the invention, more than four guides are part of the electric fence system.

Dans un mode de réalisation de l'invention, le système de clôture électrique comprend en outre des tendeurs non illustrés de sorte que chaque tronçon de fil de clôture électrique (1) est tendu entre deux tendeurs de façon à subir une tension mécanique qui lui permette de rester rectiligne entre les guides. Préférentiellement, ces tendeurs comprennent un ressort de compression assurant une tension mécanique sur les tronçons de fil de clôture électrique quelle que soit la température.In one embodiment of the invention, 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. Preferably, these tensioners include a compression spring ensuring mechanical tension on the sections of electric fence wire whatever the temperature.

Dans la représentation de la figure 1, les guides (31), (31A), (31B) et (31C) comportent chacun un isolateur creux (311), (311A), (311B) et (311C) respectivement, et un support (312), (312A), (312B) et (312C) respectivement. Les isolateurs (311) et (311B) supportent le premier tronçon de fil de clôture électrique (1), et les isolateurs (311A) et (311C) supportent le deuxième tronçon de fil de clôture électrique (1). Les supports (312) et (312A) sont fixés à la deuxième moitié (112) de la première barre (11) et les supports (312B) et (312C) sont fixés à la deuxième moitié (112A) de la deuxième barre (12).In the representation of the figure 1 , 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), and 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) and the supports (312B) and (312C) are fixed to the second half (112A) of the second bar (12 ).

De préférence, chacun des guides (31), (31A), (31B) et (31C) est un guide tel qu'illustré à la figure 2.Preferably, each of the guides (31), (31A), (31B) and (31C) is a guide as illustrated in the figure 2 .

Ainsi, lorsqu'un individu tente de s'introduire dans le périmètre protégé, par exemple, en escaladant le mur (12), s'il exerce une force significative sur un des tronçons de fil de clôture électrique (1), par exemple en essayant de les écarter, s'il essaie de les couper, ou même, s'il exerce une force significative sur un des guides (31), (31A), (31B) ou (31C) en essayant de franchir le système de clôture électrique, le dispositif de détection non représenté réagira en activant un dispositif d'alerte non représenté mais préférentiellement agencé au système qui pourra alors réaliser au moins une des actions suivantes : diriger une caméra de surveillance vers la zone où un contact électrique a été détecter, activer un éclairage dans cette zone et envoyer un message à un dispositif électronique tel qu'une centrale d'alarme, un ordinateur, un téléphone ou un téléphone portable.Thus, 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.

La figure 2 illustre un premier guide (31) d'un système de clôture électrique selon un mode de réalisation de l'invention.The figure 2 illustrates a first guide (31) of an electric fence system according to an embodiment of the invention.

Dans la représentation de la figure 2, le premier guide (31) comporte un premier isolateur (311) creux comprenant un corps (3111) et une tête de serrage (3112). La tête de serrage (3112) supporte et guide un premier tronçon de fil de clôture électrique (1). La tête de serrage (3112) est fixée au corps (3111). Le corps (311) présente une cavité (20) ayant une ouverture (30) située à l'opposé de la tête de serrage (3112). Le premier isolateur (311) est de préférence en polyéthylène.In the representation of the figure 2 , 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.

Dans la représentation de la figure 2, le premier guide (31) comporte également un premier support (312). Le premier support (312) est destinée à être fixé à une première barre elle-même fixée à un appui. Dans la représentation de la figure 2, le premier guide (31) comporte un obturateur (10). L'obturateur (10) est disposé de façon à restreindre l'accès à la cavité (20) en obturant partiellement l'ouverture (30). L'obturateur (10) est fixé au premier support (312). L'obturateur (10) est de préférence un élément planaire. L'obturateur (10) est de préférence une rondelle.In the representation of the figure 2 , 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. In the representation of the figure 2 , 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.

Dans la représentation de la figure 2, le premier guide (31) comporte également un ressort métallique (313) qui est à un potentiel fixe et qui est vissé d'un côté sur un filet extérieur du premier support (312) et d'un autre côté dans un filet intérieur du premier isolateur (311). Ce ressort métallique (313) est apte à se fléchir lorsqu'un effort déterminé est exercé sur ledit premier tronçon de fil de clôture électrique (1). Le ressort métallique (313) est partiellement logé dans la cavité (20).In the representation of the figure 2 , 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).

Dans la représentation de la figure 2, le premier guide (31) comporte également un électrode (314) qui est en contact électrique avec le premier tronçon de fil de clôture électrique (1) et qui est à un potentiel électrique différent du ressort métallique (313). Cette électrode (314) comporte une première partie inférieure (3141) qui entoure complètement le ressort métallique (313) de telle façon qu'un contact électrique est engendré entre l'électrode (314) et le ressort métallique (313) lorsque ce dernier se fléchit consécutivement à un effort déterminé exercé sur le premier tronçon de fil de clôture électrique (1), et ce, quelle que soit la direction dans laquelle est exercé cet effort. Le dispositif de détection non représenté sur la figure détectera alors ce contact électrique. La première partie inférieure (3141) de électrode (314) est partiellement logée dans la cavité (20).In the representation of the figure 2 , 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).

Dans la représentation de la figure 2, l'électrode (314) comporte une deuxième partie supérieure (3142) qui entoure partiellement l'extérieur de la tête de serrage (3112). De préférence, la deuxième partie supérieure de (3142) de l'électrode fait saillie par rapport à une extrémité libre (320) du premier isolateur (311). Le guide (31) est ainsi particulièrement apte à décourager un individu qui souhaiterait manipuler le premier guide en dévissant la tête de serrage (3112) du premier isolateur (311) pour accéder à sa partie intérieure. L'extrémité libre (320) qui est ainsi protégée grâce à la tension dans deuxième partie supérieure de (3142) de l'électrode est l'extrémité du premier isolateur (311) qui est opposée au premier support (312) sur le premier guide (31).In the representation of the figure 2 , the electrode (314) has a second upper part (3142) which partially surrounds the outside of the clamping head (3112). Preferably, 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).

La figure 3 illustre un système de clôture électrique de protection d'un site de périmètre déterminé contre une intrusion selon un mode de réalisation de l'invention.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.

Dans la représentation de la figure 3, le système de clôture électrique comprend six tronçons de fil de clôture électrique (2), (2A), (2B), (2C), (2D) et (1) essentiellement parallèles et disposés consécutivement de façon essentiellement horizontale, dans cet ordre, à des hauteurs strictement croissantes. Chacun des tronçons de fil de clôture électrique (1), (2), (2A), (2B), (2C) et (2D) est relié électriquement à un générateur électrique non représenté sur la figure. Le nombre de tronçons de fil de clôture électrique représenté dans la figure 3 n'est pas limitatif de la portée de ce mode de réalisation de l'invention. Il peut par exemple y avoir au moins huit fils, de préférence au moins 12 fils.In the representation of the figure 3 , 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.

Selon un mode de réalisation de l'invention, plusieurs de ces tronçons de fil de clôture électrique sont connectées ensemble de telle façon à faire partie du même fil de clôture électrique.According to one embodiment of the invention, several of these sections of electric fence wire are connected together so as to be part of the same electric fence wire.

Dans la représentation de la figure 3, le système de clôture électrique comprend la première barre (11) et une deuxième barre (12) fixées l'une à l'autre. La première barre (11) est de préférence fixée sur une extrémité supérieure de la deuxième barre (12) Selon un mode de réalisation de l'invention, plus de deux barres font partie du système de clôture électrique.In the representation of the figure 3 , 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.

Dans la représentation de la figure 3, les première et deuxième barres (11) et (12) sont rectilignes et rigides. Elles peuvent être constituées de matériau conducteur. Leurs directions forment un angle d'environ 135 degrés. La deuxième barre (12) est disposée de façon essentiellement verticale de sorte à ce que chacun de ses points soit à une hauteur inférieure à la hauteur de chacun des points de la première barre (11). En outre, la deuxième barre (12) est prolongée à ses extrémités par des éléments de direction orthogonale à sa direction. Des moyens de fixations (22) s'appliquent à ces éléments de telle façon à fixer l'ensemble de la structure des deux barres (11) et (12) à un poteau (51) de direction essentiellement semblable à la direction de la deuxième barre (12). Dans un mode de réalisation de l'invention, ce poteau est fixé au sol et fait partie d'une clôture électrique ou d'un grillage disposé sur l'extérieur du périmètre à protéger et espacé de la deuxième barre.In the representation of the figure 3 , 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). In addition, 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). In one embodiment of the invention, 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.

Dans la représentation de la figure 3, un premier guide (31) supporte le premier tronçon de fil de clôture électrique (1) et est couplé mécaniquement à la première barre (11). Les détails concernant ce premier guide ne sont pas représentés sur la figure 3, mais il sera admis qu'il s'agit d'un premier guide tel que représenté à la figure 2. Selon un mode de réalisation de l'invention, plus d'un tel guide fait partie du système de clôture électrique.In the representation of the figure 3 , 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 . According to one embodiment of the invention, more than one such guide is part of the electric fence system.

Dans la représentation de la figure 3, cinq premiers guides supplémentaires sont représentés, chacun comportant un isolateur (321), (321A), (321B), (321C) et (321D) respectivement et un support (322), (322A), (322B), (322C) et (322D) respectivement. Selon un mode de réalisation de l'invention, plus de cinq guides supplémentaires font partie du système de clôture électrique.In the representation of the figure 3 , five 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. According to one embodiment of the invention, more than five additional guides are part of the electric fence system.

Dans la représentation de la figure 3, les isolateurs (321), (321A), (321B), (321C) et (321D) sont couplés mécaniquement respectivement aux supports (322), (322A), (322B), (322C) et (322D) qui sont eux-mêmes couplés mécaniquement à la deuxième barre (12). Les isolateurs (321), (321A), (321B), (321C) et (321D) supportent respectivement les tronçons de fil de clôture électrique (2), (2A), (2B), (2C) et (2D). La distance entre deux de ces guides est de préférence de moins de 50 centimètres, plus préférentiellement de moins de 40 centimètres, plus préférentiellement de moins de 30 centimètres, et encore plus préférentiellement de moins de 20 centimètres. De cette façon, la distance deux des tronçons de fil de clôture électrique (2), (2A), (2B), (2C) et (2D) consécutifs est de préférence de moins de 50 centimètres, plus préférentiellement de moins de 40 centimètres, plus préférentiellement de moins de 30 centimètres, et encore plus préférentiellement de moins de 20 centimètres. La distance entre les tronçons de fil de clôture électrique (1) et (2D) est de préférence de moins de 50 centimètres.In the representation of the figure 3 , 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. In this way, 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.

La figure 4 illustre un système de clôture électrique de protection d'un site de périmètre déterminé contre une intrusion selon un mode de réalisation de l'invention.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.

Dans la représentation de la figure 4, le système de clôture électrique selon un des modes de réalisation de l'invention comprend sept tronçons de fil de clôture électrique (1), (2), (3), (2A), (3A), (2B) et (3B) disposés de façon essentiellement horizontale, consécutivement dans cet ordre et à des hauteurs strictement décroissantes. Chacun des tronçons de fil de clôture électrique (1), (2), (2A) et (2B) est relié électriquement à un générateur électrique non représenté sur la figure. Chacun des tronçons de fil de clôture électrique (3), (3A) et (3B) est à un potentiel électrique différent des tronçons de fil de clôture électrique (1), (2), (2A) et (2B). Par exemple, ils peuvent être relié à la terre. Le nombre de tronçons de fil de clôture électrique représenté dans la figure 4 n'est pas limitatif de la portée de ce mode de réalisation de l'invention. Selon un mode de réalisation de l'invention, certains des tronçons de fil de clôture électrique sont connectées ensemble de telle façon à faire partie du même fil de clôture électrique.In the representation of the figure 4 , the electric fence system according to one of the embodiments of the invention 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.

Dans la représentation de la figure 4, le système de clôture électrique comprend une première barre (11), une deuxième barre (12) et une troisième barre (13). Il comprend en outre cinq autres barres (11A), (11B), (11C), (12A) et (13B). La représentation de la figure 4 n'est pas limitative du nombre de barres faisant partie du système de clôture électrique.In the representation of the figure 4 , 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.

Dans la représentation de la figure 4, les barres (11), (11A), (11B), (11C), (12), (13), (12A) et (13A) sont rectilignes et rigides. Les barres (11), (11A), (11B) et (11C) sont semblables et peuvent être constitué d'un matériau quelconque. Les barres (12), (13), (12A) et (13A) sont semblables et constituées d'un matériau isolant électrique, par exemple de la fibre de verre. Les paires de barres suivantes sont fixées mécaniquement l'une à l'autre : (11, 12), (11A, 13), (11B, 12A), (11C, 13A). Les directions des deux barres dans chacune des paires précédentes forment un angle d'environ 135 degrés. Les barres (12), (13), (12A) et (13A) sont disposées essentiellement parallèlement et de façon essentiellement verticale, de sorte à ce que chacun des points d'une de ces barres soit à une hauteur inférieure à la hauteur de chacun des points des barres (11), (11A), (11B) et (11C). Les barres (11), (11A), (11B) et (11C) sont quant à elles disposées de façon essentiellement parallèle. Les structures formées par les paires de barres (11, 12), (11A, 13), (11B, 12A), (11C, 13A) sont ainsi semblables et disposées le long du périmètre de façon à être espacées les une des autres.In the representation of the figure 4 , 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.

Dans la représentation de la figure 4, des moyens de fixations (22) s'appliquent aux barres (12), (13), (12A) et (13A) de telle façon à les fixer à des poteaux (51) de directions essentiellement semblables à la direction des barres (12), (13), (12A) et (13A). Dans un mode de réalisation de l'invention dont les détails ne sont pas représentés dans la figure 4, ces poteaux sont fixés au sol et font partie d'une clôture électrique ou d'un grillage disposé sur l'extérieur du périmètre à protéger et espacé des barres (12), (13), (12A) et (13A).In the representation of the figure 4 , 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). In one embodiment of the invention, the details of which are not shown in the figure 4 , 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).

Dans la représentation de la figure 4, des guides (31), (31A), (31B) et (31C) supportent le premier tronçon de fil de clôture électrique (1) et sont couplés mécaniquement aux barres (11), (11A), (11B) et (11C) respectivement. Les détails concernant ces quatre guides ne sont pas représentés sur la figure 4, mais il sera admis qu'il s'agit de guides adaptés selon l'invention et dont la représentation correspond à la figure 2. La représentation de la figure 4 n'est pas limitative du nombre de tels guides faisant partie du système de clôture électrique.In the representation of the figure 4 , 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.

Ainsi, lorsqu'un individu mal intentionné tente de s'introduire dans le périmètre protégé en passant par la partie supérieure du système de clôture électrique, s'il exerce une force significative sur le tronçon de fil de clôture électrique (1), par exemple en essayant de l'écarter, s'il essaie de les couper, ou même, s'il exerce une force significative sur un des guides (31), (31A), (31B) ou (31C) en essayant de franchir le système de clôture électrique, le dispositif de détection non représenté sur la figure alertera les personnes concernées de l'intrusion.Thus, when an ill-intentioned individual attempts to enter the protected perimeter by passing through the upper part of the electric fence system, if he exerts a significant force on the section of electric fence wire (1), for example trying to push it aside, if it tries to cut them, or even, if it exerts a significant force on one of the guides (31), (31A), (31B) or (31C) when trying to cross the system electric fence, the detection device not shown in the figure will alert those affected by the intrusion.

Dans la représentation de la figure 4, le système selon l'invention comprend une pluralité de deuxièmes guides (32), (33), (34), (35), (32A), (33A), (34A), (35A), (32B), (33B), (34B), (35B), (32C), (33C), (34C), (35C), (32D), (33D), (34D), (35D), (32E), (33E), (34E) et (35E). La représentation de la figure 4 n'est pas limitative du nombre de tels guides métalliques supplémentaires faisant partie du système de clôture électrique.In the representation of the figure 4 , 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.

Un premier guide tel que représenté à la figure 2 peut être appelé « EMIO ». Un deuxième guide 32 tel que représenté à la figure 4 peut être appelé ECSTD.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.

Dans la représentation de la figure 4, les guides métalliques (32), (33), (32C) et (33C) supportent le tronçon de fil de clôture électrique (2) et sont en contact électrique avec ce dernier. Les guides métalliques (34), (35), (34C) et (35C) supportent le tronçon de fil de clôture électrique (3) et sont en contact électrique avec ce dernier. Les guides métalliques (32A), (33A), (32D) et (33D) supportent le tronçon de fil de clôture électrique (2A) et sont en contact électrique avec ce dernier. Les guides métalliques (34A), (35A), (34D) et (35D) supportent le tronçon de fil de clôture électrique (3A) et sont en contact électrique avec ce dernier. Les guides métalliques (32B), (33B), (32E) et (33E) supportent le tronçon de fil de clôture électrique (2B) et sont en contact électrique avec ce dernier. Les guides métalliques (34B), (35B), (34E) et (35E) supportent le tronçon de fil de clôture électrique (3B) et sont en contact électrique avec ce dernier.In the representation of the figure 4 , 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.

Dans la représentation de la figure 4, les guides métalliques (32), (34), (32A), (34A), (32B) et (34B) sont couplés mécaniquement à la deuxième barre (12). Ils sont disposés consécutivement dans cet ordre sur cette barre (12) à des hauteurs strictement décroissantes et dans une direction essentiellement orthogonale à la direction de la barre (12), en alternance dans un premier sens (91) et un deuxième sens (92) selon cette direction, ce deuxième sens (92) étant essentiellement opposé au premier sens (91). Les guides métalliques (33), (35), (33A), (35A), (33B) et (35B) sont couplés mécaniquement à la troisième barre (13). Ils sont disposés consécutivement dans cet ordre sur cette barre (13) à des hauteurs strictement décroissantes et dans une direction essentiellement orthogonale à la direction de la barre (13), en alternance dans le deuxième sens (92) et le premier sens (91) selon cette direction. Les guides métalliques (32C), (34C), (32D), (34D), (32E) et (34E) sont couplés mécaniquement à la barre (12A). Ils sont disposés consécutivement dans cet ordre sur cette barre (12A) à des hauteurs strictement décroissantes et dans une direction essentiellement orthogonale à la direction de la barre (12A), en alternance dans le premier sens (91) et le deuxième sens (92) selon cette direction. Les guides métalliques (33C), (35C), (33D), (35D), (33E) et (35E) sont couplés mécaniquement à la barre (13A). Ils sont disposés consécutivement dans cet ordre sur cette barre (13A) à des hauteurs strictement décroissantes et dans une direction essentiellement orthogonale à la direction de la barre (13A), en alternance dans le deuxième sens (92) et le premier sens (91) selon cette direction. En particulier, les guides métalliques (32), (35), (32C) et (35C) sont disposés dans le premier sens (91).In the representation of the figure 4 , 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). They are arranged consecutively in this order on this bar (13) at strictly decreasing heights and in a direction essentially orthogonal to the direction of the bar (13), alternately in the second direction (92) and the first direction (91) in this direction. 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). They are arranged consecutively in this order on this bar (13A) at strictly decreasing heights and in a direction essentially orthogonal to the direction of the bar (13A), alternately in the second direction (92) and the first direction (91) in this direction. In particular, the metal guides (32), (35), (32C) and (35C) are arranged in the first direction (91).

Dans un mode de réalisation de l'invention illustré par la figure 4, les guides métalliques (32), (33), (34), (35), (32A), (33A), (34A), (35A), (32B), (33B), (34B), (35B), (32C), (33C), (34C), (35C), (32D), (33D), (34D), (35D), (32E), (33E), (34E) et (35E) sont différents des guides (31), (31A), (31B) ou (31C). En particulier, chacun de ces guides métalliques est formé d'un fil métallique et est couplé mécaniquement à une des barres (12), (13), (12A) et (13A) au moyen d'une pluralité d'anneaux entourant la barre. En particulier, chacun de ces guides métalliques comprend deux boucles par lesquelles passe le tronçon de fil de clôture électrique qu'il supporte.In one embodiment of the invention illustrated by the figure 4 , 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). In particular, 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. . In particular, each of these metal guides comprises two loops through which passes the section of electric fence wire which it supports.

Dans la représentation de la figure 4, les guides métalliques (32), (33), (32C) et (33C) sont disposés à des hauteurs essentiellement égales. Les guides métalliques (34), (35), (34C) et (35C) sont disposés à des hauteurs essentiellement égales. Les guides métalliques (32A), (33A), (32D) et (33D) sont disposés à des hauteurs essentiellement égales. Les guides métalliques (34A), (35A), (34D) et (35D) sont disposés à des hauteurs essentiellement égales. Les guides métalliques (32B), (33B), (32E) et (33E) sont disposés à des hauteurs essentiellement égales. Les guides métalliques (34B), (35B), (34E) et (35E) sont disposés à des hauteurs essentiellement égales. De plus, la distance entre deux guides métalliques disposés consécutivement sur la même barre est de préférence de moins de 50 centimètres, plus préférentiellement de moins de 40 centimètres, plus préférentiellement de moins de 30 centimètres, et encore plus préférentiellement de moins de 20 centimètres. De cette façon, la distance deux des tronçons de fil de clôture électrique consécutifs (2), (3), (2A), (3A), (2B) et (3B) est de préférence de moins de 50 centimètres, plus préférentiellement de moins de 40 centimètres, plus préférentiellement de moins de 30 centimètres, et encore plus préférentiellement de moins de 20 centimètres. La distance entre les tronçons de fil de clôture électrique (1) et (2) est de préférence de moins de 50 centimètres.In the representation of the figure 4 , 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. In addition, 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. In this way, 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.

En conséquence de la précédente description et selon le mode de réalisation particulier de l'invention présenté au travers de la figure 4, le tronçon de fil de clôture électrique (2) passe successivement d'un premier côté de la deuxième barre (12) correspondant au premier sens (91), d'un deuxième côté de la troisième barre (13) correspondant au deuxième sens (92), d'un premier côté de la barre (12A) correspondant au premier sens (91) et d'un deuxième côté de la barre (13A) correspondant au deuxième sens (92). Le tronçon de fil de clôture électrique (3) passe successivement, quant à lui, d'un deuxième côté de la deuxième barre (12) correspondant au deuxième sens (92), d'un premier côté de la troisième barre (13) correspondant au premier sens (91), d'un deuxième côté de la barre (12A) correspondant au deuxième sens (92) et d'un premier côté de la barre (13A) correspondant au premier sens (91). Ainsi, en appliquant un raisonnement semblable sur les tronçons de fil de clôture électrique (2A), (3A), (2B) et (3B), nous en déduisons deux tronçons de fil de clôture électrique successifs parmi (2), (3), (2A), (3A), (2B) et (3B) sont inclus dans des plans verticaux sécants entre deux barres consécutives parmi (12), (13), (12A) et (13A).Consequently to the previous description and according to the particular embodiment of the invention presented through the figure 4 , 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). Thus, by applying 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).

En conséquence de ce qui précède et selon le mode de réalisation particulier de l'invention présenté au travers de la figure 4, si un individu mal intentionné tente de s'introduire dans le périmètre protégé en écartant les tronçons de fil de clôture électrique (2), (3), (2A), (3A), (2B) et (3B) de telle façon à se frayer un chemin dans le système de clôture électrique, il créera un contact électrique entre un des tronçons de fil de clôture électrique (2), (2A) ou (2B) et un des tronçons de fil de clôture électrique (3), (3A) ou (3B) que le dispositif de détection non représenté sur la figure repérera. Un dispositif d'alerte non représenté mais préférentiellement agencé au système pourra alors réaliser au moins une des actions suivantes : diriger une caméra de surveillance vers la zone où un contact électrique a été détecté, activer un éclairage dans cette zone et envoyer un message à un dispositif électronique tel qu'une centrale d'alerte, un ordinateur, un téléphone ou un téléphone portable.As a consequence of the above and according to the particular embodiment of the invention presented through the figure 4 , if an ill-intentioned individual attempts to enter the protected perimeter by removing the sections of electric fence wire (2), (3), (2A), (3A), (2B) and (3B) in such a way to clear a path in the electric fence system, it will create an electrical contact between one of the sections of electric fence wire (2), (2A) or (2B) and one of the sections of electric fence wire (3), (3A) or (3B) that the detection device not shown in the figure will identify. 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.

Dans un mode de réalisation de l'invention représenté dans la figure 4, le système de clôture électrique comprend en outre des éléments métalliques conducteurs (41), (42), (41A), (42A), (41B), (41C), (42B), (41D), (42D), (41E), (43), (44), (43A), (44A), (43B), (43C), (44B), (43D), (44D) et (43E). Préférentiellement, chacun de ces éléments métalliques conducteurs est un ressort enroulé autour d'une des barres (12), (13), (12A) et (13A), et disposé entre deux des guides métalliques consécutifs (32), (33), (34), (35), (32A), (33A), (34A), (35A), (32B), (33B), (34B), (35B), (32C), (33C), (34C), (35C), (32D), (33D), (34D), (35D), (32E), (33E), (34E) et (35E) sur cette barre, de telle façon à être en contact électrique avec un et un seul de ces guides métalliques et à être à une distance de l'autre, par exemple 25 millimètres. La représentation de la figure 4 n'est pas limitative du nombre de tels éléments conducteurs faisant partie du système de clôture électrique.In one embodiment of the invention shown in figure 4 , 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). Preferably, 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.

Les éléments conducteurs selon le mode de réalisation représenté dans la figure 4 permettent alors d'activer le système de détection si un individu tente d'écarter deux des tronçons de fil de clôture électrique consécutifs parmi (2), (3), (2A), (3A), (2B) et (3B) en rapprochant deux guides métalliques consécutivement disposés sur une même barre, étant donné qu'il se produira un contact électrique entre ces deux guides métalliques via l'élément conducteur métallique sans qu'ils ne doivent se toucher et que ce contact électrique sera alors immédiatement détecté par le dispositif de détection.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.

En résumé, l'invention concerne un système de clôture électrique de protection intelligente d'un site de périmètre déterminé contre une intrusion. Le système comprend au moins un tronçon de fil de clôture électrique (1) qui est disposé le long d'au moins une partie dudit périmètre, qui est alimenté électriquement et qui est soutenu par au moins un guide (31). Ce guide (31) comporte au moins un isolateur creux (311), un élément élastique (313) conducteur électrique placé au moins partiellement à l'intérieur de l'isolateur (311) et un élément conducteur (314) étant en contact électrique avec le tronçon de fil de clôture électrique (1) et entourant au moins partiellement l'élément élastique (313) tout en étant à un potentiel électrique différent de celui-ci. L'élément élastique (313) est apte à se fléchir lorsqu'un effort déterminé est exercé sur le tronçon de fil de clôture électrique (1), engendrant ainsi un contact électrique avec l'élément conducteur (314). Ce contact électrique peut alors être capté par un système de détection.In summary, 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.

Une fois encore, nous tenons à insister sur le fait que la présente invention a été décrite en relation avec des modes de réalisations spécifiques, qui ont une valeur purement illustrative et ne doivent pas être considérés comme limitatifs. D'une manière générale, il apparaîtra évident pour l'homme du métier que la présente invention n'est pas limités aux exemples illustrés et/ou décrits ci-dessus. L'invention comprend chacune des caractéristiques nouvelles ainsi que toutes leurs combinaisons.Once again, we would like to emphasize that the present invention has been described in relation to specific embodiments, which have a purely illustrative value and should not be considered as limiting. In general, it will be obvious to a person skilled in the art that the present invention is not limited to examples illustrated and / or described above. The invention each includes new features and all of their combinations.

La présence de numéros de référence aux dessins ne peut être considérée comme limitative, y compris lorsque ces numéros sont indiqués dans les revendications.The presence of reference numbers in the drawings cannot be considered to be limiting, including when these numbers are indicated in the claims.

L'usage des verbes « comprendre » , « inclure », « comporter », ou toute autre variante, ainsi que leurs conjugaisons, ne peut en aucune façon exclure la présence d'éléments autres que ceux mentionnés.The use of the verbs "to understand", "to include", "to include", or any other variant, as well as their conjugations, cannot in any way exclude the presence of elements other than those mentioned.

L'usage de l'article indéfini « un », « une », ou de l'article défini « le », « la » ou « l' », pour introduire un élément n'exclut pas la présence d'une pluralité de ces éléments.The use of the indefinite article "a", "an", or of the definite article "the", "the" or "the", to introduce an element does not exclude the presence of a plurality of these elements.

Claims (15)

  1. Electric fence system for protecting a site with a defined perimeter against intrusion, comprising:
    - an electric generator,
    - a first electric fence wire section (1), which is arranged along at least one portion of said perimeter and which is connected electrically to said electric generator,
    - a first bar (11) of which a first half (111) is capable of being fixed to a support (12) arranged along said perimeter,
    - a first guide (31), which supports said first electric fence wire section (1) and which is coupled mechanically to said first bar (11),
    and wherein
    - said first guide (31) comprises a first hollow isolator (311), which supports said first electric fence wire section (1),
    - said first guide (31) comprises a first support (312), which is fixed to a second half (112) of said first bar (11),
    - said first guide (31) comprises an elastic element (313), which is electrically conductive, which is placed at least partially inside said first isolator (311) and which is coupled mechanically both to said first isolator (311) and to said first support (312),
    - said first guide (31) comprises a conductive element (314), which is in electrical contact with said first electric fence wire section (1),
    characterised in that
    - said conductive element (314) comprises a first portion (3141), which at least partially surrounds said elastic element (313),
    - the electric fence system is designed such that said conductive element (314) is at a different electric potential to said elastic element (313),
    - the electric fence system is designed such that said elastic element (313) is capable of bending when a determined force is exerted on said first electric fence wire section (1), so as to cause an electrical contact between said elastic element (313) and said first portion (3141) of said conductive element (314),
    - the electric fence system comprises a detection device designed to detect an electrical contact between said conductive element (314) and said elastic element (313).
  2. Electric fence system according to claim 1, characterised in that said conductive element (314) is electrically isolated from said first support (312) when said first electric fence wire section (1) is awaiting said determined force.
  3. Electric fence system according to any one of the preceding claims, characterised in that said elastic element (313) is a metal spring screwed on one side to a mesh of said first support (312) and on another side to a mesh of said first isolator (311).
  4. Electric fence system according to any one of the preceding claims, designed such that said elastic element (313) is at a fixed potential, for example earthed.
  5. Electric fence system according to any one of the preceding claims, characterised in that said conductive element (314) is metallic.
  6. Electric fence system according to any one of the preceding claims, characterised in that said first portion (3141) of said conductive element (314) surrounds said elastic element (313).
  7. Electric fence system according to any one of the preceding claims, characterised in that said conductive element (314) comprises a second portion (3142), which exceeds a free end (320) of said first isolator (311).
  8. Electric fence system according to any one of the preceding claims, characterised in that said first isolator (311) comprises a polyethylene body (3111) and a clamping head (3112), which supports said first electric fence wire section (1).
  9. Electric fence system according to claim 8 when it is dependent on claim 7, characterised in that said second portion (3142) of said conductive element (314) at least partially surrounds said clamping head (3112) of said first isolator (311).
  10. Electric fence system according to any one of the preceding claims, characterised in that said first isolator (311) encloses said elastic element (313) and said first portion (3141) of said conductive element (314).
  11. Electric fence system according to any one of the preceding claims, characterised in that said support (12) is a wall, a mesh, an electric fence, a barrier, a post or a bar.
  12. System according to any one of the preceding claims, further comprising a warning device connected to said detection device and designed to perform at least one of the following actions when said detection device detects an electrical contact between said conductive element (314) and said elastic element (313):
    - control surveillance cameras,
    - send a signal to an electronic device such as a central warning unit, a computer, a telephone or a mobile telephone,
    - activate a light, preferably directed at the place where said electrical contact between said conductive element (314) and said elastic element (313) occurs.
  13. Electric fence system according to any one of the preceding claims, characterised in that said electric generator is capable of supplying a voltage of between 7000 and 8000 volts to said first electric fence wire section (1).
  14. Electric fence system according to any one of the preceding claims, characterised in that said support (12) is a second bar, in that the system further comprises:
    - a second electric fence wire section (2), which is arranged along at least one portion of said perimeter and which is connected electrically to said electric generator,
    - a second isolator (321), which supports said second electric fence wire section (2),
    - a second support (322), which is coupled mechanically to said second isolator (321) and to said second bar (12),
    - a first abutment (325), which is coupled mechanically to said second support (322),
    and in that it is designed such that
    - said first abutment (325) is at a different electric potential to said second electric fence wire section (2),
    - said first abutment (325) comes into electrical contact with said second electric fence wire section (2) when a force with a determined direction and intensity acts on it,
    - said detection device is capable of detecting an electrical contact between said first abutment (325) and said second electric fence wire section (2).
  15. Electric fence system according to any one of claims 1 to 13, characterised in that said support (12) is a second electrically isolating bar, in that the system further comprises:
    - a third electrically isolating bar (13), which is arranged along said perimeter in a direction essentially similar to the direction of said second bar (12),
    - a second electric fence wire section (2), which is arranged along at least one portion of said perimeter and which is connected electrically to said electric generator,
    - a third electric fence wire section (3), which is arranged along at least one portion of said perimeter,
    - a second metal guide (32), which satisfies the following properties:
    • it is coupled mechanically to said second bar (12),
    • it is arranged in a direction essentially orthogonal to the direction of said second bar (12) and in a first direction (91) along this latter direction,
    • it supports said second electric fence wire section (2),
    • it is in electrical contact with said second electric fence wire section (2),
    - a third metal guide (33), which satisfies the following properties:
    • it is coupled mechanically to said third bar (13),
    • it is arranged in a direction essentially orthogonal to the direction of said third bar (13) and in a second direction (92) along this latter direction, said second direction (92) being essentially opposite to said first direction (91),
    • it supports said second electric fence wire section (2),
    • it is in electrical contact with said second electric fence wire section (2),
    - a fourth metal guide (34), which satisfies the following properties:
    • it is coupled mechanically to said second bar (12),
    • it is offset with respect to said second metal guide (32) on said second bar (12),
    • it is arranged in a direction essentially orthogonal to the direction of said second bar (12) and in said second direction (92) along this latter direction,
    • it supports said third electric fence wire section (3),
    • it is in electrical contact with said third electric fence wire section (3),
    - a fifth metal guide (35), which satisfies the following properties:
    • it is coupled mechanically to said third bar (13),
    • it is offset with respect to said third metal guide (33) on said third bar (13),
    • it is arranged in a direction essentially orthogonal to the direction of said third bar (13) and in said first direction (91) along this latter direction,
    • it supports said third electric fence wire section (3),
    • it is in electrical contact with said third electric fence wire section (3), and in that it is designed such that
    - said third electric fence wire section (3) is at a different electric potential to said second electric fence wire section (2),
    - said detection device is capable of detecting an electrical contact between said third electric fence wire section (3) and said second electric fence wire section (2).
EP18176459.8A 2017-06-30 2018-06-07 Electric fence system with smart protection Active EP3422312B8 (en)

Applications Claiming Priority (1)

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BE2017/5467A BE1025350B1 (en) 2017-06-30 2017-06-30 Intelligent protection electric fence system

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

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EP18176459.8A Active EP3422312B8 (en) 2017-06-30 2018-06-07 Electric fence system with smart protection

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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 (en) * 2000-01-28 2002-12-03 Champion Watching Electric fence for detecting intrusion includes wire supported on insulators, with stop detecting any unusual displacement of wire

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* Cited by examiner, † Cited by third party
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BE1025350B1 (en) 2019-02-05
EP3422312A1 (en) 2019-01-02
EP3422312B8 (en) 2020-05-06
BE1025350A1 (en) 2019-01-29

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