EP2784761B1 - Electronic cabinet provided with a removal detection member - Google Patents

Electronic cabinet provided with a removal detection member Download PDF

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Publication number
EP2784761B1
EP2784761B1 EP14161574.0A EP14161574A EP2784761B1 EP 2784761 B1 EP2784761 B1 EP 2784761B1 EP 14161574 A EP14161574 A EP 14161574A EP 2784761 B1 EP2784761 B1 EP 2784761B1
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EP
European Patent Office
Prior art keywords
dividable
rear wall
actuating rod
rest
housing
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
EP14161574.0A
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German (de)
French (fr)
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EP2784761A3 (en
EP2784761A2 (en
Inventor
José Pena
Franck Giry
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.)
Hager Security SAS
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Hager Security SAS
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Publication date
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Publication of EP2784761A2 publication Critical patent/EP2784761A2/en
Publication of EP2784761A3 publication Critical patent/EP2784761A3/en
Application granted granted Critical
Publication of EP2784761B1 publication Critical patent/EP2784761B1/en
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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
    • G08B13/1472—Mechanical actuation by lifting or attempted removal of hand-portable articles with force or weight detection
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/04—Monitoring of the detection circuits
    • G08B29/046—Monitoring of the detection circuits prevention of tampering with detection circuits

Definitions

  • the present invention relates to the field of electronic enclosures, and more particularly to enclosures of alarm systems that can be fixed against a wall.
  • the present invention aims to improve such security means.
  • a cabinet which comprises a rear wall having an outer rear surface that can bear against a receiving surface and equipped with an actuating rod of an electrical tear detecting member, subjected to an elastic member and movable between a rest position in which the electrical detachment detection member is not biased and a released position protruding from said outer rear face in which the electrical detachment detection member is biased, a end of the actuating rod being adapted to bear on said receiving surface through said rear wall.
  • Said rear wall comprises a breakable part which has a hole for the passage of a fixing screw, this breakable part comprising a breakable portion which projects outwardly with respect to the outer face of said rear wall, an end of the actuating rod being, in said rest position, bearing on said breakable portion, said breakable portion being intended to be separated so that said end of the actuating rod is in said rest position, resting on said receiving surface through a hole left by said breakable portion when the latter is separated.
  • Said breakable portion may have a through hole and is dimensioned so as to constitute a washer that can be placed in abutment on an inner zone of said breakable portion surrounding said hole of the latter to be traversed by a fixing screw.
  • Said breakable portion may be connected to the remainder of said rear wall by a first weakening zone and the breakable portion is connected to the remainder of said breakable portion by a second weakening zone less resistant than the first weakening zone.
  • the cabinet may comprise a housing, including the actuating rod, said elastic member and said electrical member, and a base including said rear wall.
  • the housing and the base can be articulated so that they can be placed one above the other in a close position and provided with locking means in this close position.
  • an electronic box 1 comprises a base 2 and a housing 3 which have a lateral joint 4 between them so that the housing 3 can be pivoted relative to the base 2 and a locking means 5, such as a latch or a latch. strike, for the maintenance of the housing 3 in a close position above the base 2.
  • the electronic box 1 will be described considering that it is placed in an installation position.
  • the base 2 comprises a rear wall 6 which has an outer rear face 7.
  • the rear wall 6 comprises, in a thickness, a breakable portion 8, for example of oblong shape, which is separated from the rest of this rear wall 6 by a peripheral groove 9 and which is connected to the rest of this rear wall 6 by legs link 10 passing through this groove 9, so as to form a first weakening peripheral zone.
  • the breakable portion 8 comprises a breakable portion 11, for example of circular shape, which is separated from the rest of this breakable portion 8 by a peripheral groove 12 and which is connected to the remainder of this breakable portion 8 by connecting lugs 13 passing through this groove 12, so as to form a second peripheral weakening zone less resistant than said first weakening zone.
  • the breakable portion 11 is located in a position such that it protrudes from the rear outer face 7 of the rear wall 6.
  • the housing 3 contains an electronic card 14, placed vertically, which carries electronic components, which is held in the housing 3 by suitable means (not shown) and which extends in said position close to the housing 3 above the base 2, parallel to the rear wall 6.
  • the housing 3 is equipped with a horizontal actuating rod 15 which extends, in said position close to the housing 3 above the base 2, perpendicularly to the rear wall 6, and which is slidably mounted in an inner guide 16. of housing 3, the rod actuator 15 has a rear end 17 opposite the breakable portion 11.
  • the front end portion 18 of the actuating rod 15 passes freely through a passage 19 arranged through the electronic card 14.
  • the casing 3 is equipped with an elastic metal blade 20 which extends opposite an electrical detachment detecting element 21 such as a switch and on which the front end 18 of the rod of FIG. actuation 15 so as to urge the latter backwards.
  • an electrical detachment detecting element 21 such as a switch
  • the rear end 17 of the actuating rod 15 bears on the inner face 11a of the breakable portion 11 and the elastic metal blade 20, constrained to the against its elasticity, is supported on the front end 18 of the actuating rod 15 and is spaced apart from the electric detachment detecting member 21 which is not biased.
  • the casing 1 is then, in said position close to the casing 3 above the base 2, in a rest position in which it can be stored and transported without the elastic metal blade 20 being in abutment on the electrical member of the housing. detachment detection 21, so that the latter is not requested.
  • the rear face 7 of the rear wall 6 can not be applied against a mounting surface, for example against a wall.
  • the breakable portion 8 has, in another place than the breakable portion 11, a through hole 22 whose diameter is smaller than the diameter of the breakable portion 11.
  • the breakable portion 11 has a through passage 23.
  • the rear wall has a plurality of through holes 24 fixing.
  • the user separates the housing 3 from the base 2 by separating the hinge 4 or separates the housing 3 from the base 2 by pivoting them relative to each other along the hinge 4.
  • the user separates the breakable portion protruding 11 from the rest of the breakable portion by breaking the connecting lugs 13 and keeps it.
  • the rear wall 6 then has a passage 25 in place of the separable portion 11 separated.
  • the actuating rod 15 is pushed back to a released position in which its rear end 17 is located substantially far beyond the rear face 7 of the rear wall 6.
  • This position released is limited, for example, by shoulders 15a and 16a arranged on the actuating rod 15 and the inner guide 16 of the housing 3 and bearing against one another.
  • the resilient blade biases the electrical detachment detecting member 21.
  • the user places the rear face 7 of the rear wall 6 of the base 3, released from the projecting breakable portion 11, against a wall 26 and fixes the base 3 by means of fixing screws 27 which pass through the fixing holes 24 .
  • the user also fixes the breakable portion 8 against the wall 26 by means of a fixing screw 28 that passes through the hole 22 of this breakable portion 8, interposing, as a washer between the head of the screw 28 and the rear face of the breakable portion 8, the breakable portion 11 whose hole 23 is traversed by the rod of the screw 28.
  • the diameter of the hole 22 may be larger than the holes 24 so as to compensate for any defects in the positioning of the fixing screw 28 relative to the fixing screws 27.
  • the user couples and places the housing 3 on the base in its aforementioned close position, which pushes forward the actuating rod 15.
  • the rear end 17 of the actuating rod 15 comes bear against the wall 26, crossing the hole 25 left free.
  • the actuating rod 15 is then found in its aforementioned rest position in which its end rear push the elastic metal blade 20 against its elasticity so that it is located at a distance from the electrical member 21.
  • the electronic card 14 included in the housing 3, comprising the electrical member 21 can then be activated.
  • the actuating rod 15 is then released and moves rearward under the effect of the elastic blade 20 to said released position located beyond its rest position resting on the wall.
  • the resilient metal blade 20, released comes into contact with the electrical detachment detecting member 21 and urges the latter.
  • This electrical member 21 can then generate an electrical signal such that the electronic card 14 can cause the transmission of an alarm signal to an alarm or trigger an alarm included in the housing 2.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Casings For Electric Apparatus (AREA)

Description

La présente invention concerne le domaine des coffrets électroniques, et plus particulièrement des coffrets de systèmes d'alarme pouvant être fixés contre un mur.The present invention relates to the field of electronic enclosures, and more particularly to enclosures of alarm systems that can be fixed against a wall.

Il est courant que de tels coffrets présentent un organe de détection d'arrachement qui prend appui contre le mur et qui actionne un organe électrique pour déclencher, directement ou indirectement, une alarme au cas où une personne mal intentionnée tente d'arracher ou arrache le coffret du mur.It is common for such cabinets to have a detachment detecting member which bears against the wall and which actuates an electrical organ to trigger, directly or indirectly, an alarm in the event that a malicious person attempts to tear or pull out the wall cabinet.

La présente invention vise à améliorer de tels moyens de sécurité.The present invention aims to improve such security means.

Il est proposé un coffret qui comprend une paroi arrière présentant une face arrière extérieure pouvant venir en appui sur une surface de réception et équipé d'une tige d'actionnement d'un organe électrique de détection d'arrachement, soumise à un élément élastique et mobile entre une position de repos dans laquelle l'organe électrique de détection d'arrachement n'est pas sollicité et une position libérée en saillie par rapport à ladite face arrière extérieure dans laquelle l'organe électrique de détection d'arrachement est sollicité, une extrémité de la tige d'actionnement étant apte à venir en appui sur ladite surface de réception au travers de ladite paroi arrière.It is proposed a cabinet which comprises a rear wall having an outer rear surface that can bear against a receiving surface and equipped with an actuating rod of an electrical tear detecting member, subjected to an elastic member and movable between a rest position in which the electrical detachment detection member is not biased and a released position protruding from said outer rear face in which the electrical detachment detection member is biased, a end of the actuating rod being adapted to bear on said receiving surface through said rear wall.

Ladite paroi arrière comprend une partie sécable qui présente un trou pour le passage d'une vis de fixation, cette partie sécable comprenant une portion sécable qui est en saillie vers l'extérieur par rapport à la face extérieure de ladite paroi arrière, une extrémité de la tige d'actionnement étant, dans ladite position de repos, en appui sur ladite portion sécable ladite portion sécable étant destinée à être séparée de sorte à ce ladite extrémité de la tige d'actionnement soit dans ladite position de repos, en appui sur ladite surface de réception au travers d'un trou laissé par ladite portion sécable lorsque cette dernière est séparée.Said rear wall comprises a breakable part which has a hole for the passage of a fixing screw, this breakable part comprising a breakable portion which projects outwardly with respect to the outer face of said rear wall, an end of the actuating rod being, in said rest position, bearing on said breakable portion, said breakable portion being intended to be separated so that said end of the actuating rod is in said rest position, resting on said receiving surface through a hole left by said breakable portion when the latter is separated.

Ainsi, tant que la partie sécable n'est pas séparée, elle constitue un obstacle à l'installation du coffret contre la surface de réception et elle permet de maintenir la tige d'actionnement dans sa position de repos dans laquelle l'organe de détection d'arrachement n'est pas sollicité.Thus, as long as the breakable portion is not separated, it constitutes an obstacle to the installation of the box against the receiving surface and it keeps the actuating rod in its rest position in which the detection member tear is not requested.

Ladite portion sécable peut présenter un trou traversant et est dimensionnée de façon à constituer, une rondelle pouvant être placée en appui sur une zone intérieure de ladite partie sécable entourant ledit trou de cette dernière pour être traversée par une vis de fixation.Said breakable portion may have a through hole and is dimensioned so as to constitute a washer that can be placed in abutment on an inner zone of said breakable portion surrounding said hole of the latter to be traversed by a fixing screw.

Ladite partie sécable peut être reliée au reste de ladite paroi arrière par une première zone d'affaiblissement et la portion sécable est reliée au reste de ladite partie sécable par une seconde zone d'affaiblissement moins résistante que la première zone d'affaiblissement.Said breakable portion may be connected to the remainder of said rear wall by a first weakening zone and the breakable portion is connected to the remainder of said breakable portion by a second weakening zone less resistant than the first weakening zone.

Le coffret peut comprendre un boîtier, incluant la tige d'actionnement, ledit élément élastique et ledit organe électrique, et un socle comprenant ladite paroi arrière. Le boîtier et le socle peuvent être articulés de façon à pouvoir être placés l'un au-dessus de l'autre dans une position rapprochée et étant munis d'un moyen de verrouillage dans cette position rapprochée.The cabinet may comprise a housing, including the actuating rod, said elastic member and said electrical member, and a base including said rear wall. The housing and the base can be articulated so that they can be placed one above the other in a close position and provided with locking means in this close position.

Un coffret électronique 1 selon la présente invention va maintenant être décrit à titre d'exemple non limitatif et illustré par le dessin sur lequel :

  • la figure 1 représente une coupe d'un coffret électronique comprenant un boîtier et un socle en position rapprochée ;
  • la figure 2 représente une vue partielle d'une face du socle du coffret électronique de la figure 1 ;
  • la figure 3 représente une coupe du socle du coffret électronique de la figure 1 monté contre un mur ; et
  • la figure 4 représente une coupe du coffret électronique de la figure 1 monté contre un mur, le boîtier et le socle étant en position rapprochée.
An electronic box 1 according to the present invention will now be described by way of nonlimiting example and illustrated by the drawing in which:
  • the figure 1 represents a section of an electronic box comprising a housing and a base in a close position;
  • the figure 2 represents a partial view of a face of the base of the electronic cabinet of the figure 1 ;
  • the figure 3 represents a section of the base of the electronic cabinet of the figure 1 mounted against a wall; and
  • the figure 4 represents a section of the electronic cabinet of the figure 1 mounted against a wall, the housing and the base being in close position.

Comme illustré sur les figures 1 et 2, un coffret électronique 1 comprend un socle 2 et un boîtier 3 qui présentent entre eux une articulation latérale 4 de telle sorte que le boîtier 3 peut être pivoté par rapport au socle 2 et un moyen de verrouillage 5, tel qu'un verrou ou une gâche, pour le maintien du boîtier 3 dans une position rapprochée au-dessus du socle 2.As illustrated on Figures 1 and 2 , an electronic box 1 comprises a base 2 and a housing 3 which have a lateral joint 4 between them so that the housing 3 can be pivoted relative to the base 2 and a locking means 5, such as a latch or a latch. strike, for the maintenance of the housing 3 in a close position above the base 2.

Le coffret électronique 1 va être décrit en considérant qu'il est placé dans une position d'installation.The electronic box 1 will be described considering that it is placed in an installation position.

Le socle 2 comprend une paroi arrière 6 qui présente une face arrière extérieure 7.The base 2 comprises a rear wall 6 which has an outer rear face 7.

La paroi arrière 6 comprend, dans une épaisseur, une partie sécable 8, par exemple de forme oblongue, qui est séparée du reste de cette paroi arrière 6 par une rainure périphérique 9 et qui est reliée au reste de cette paroi arrière 6 par des pattes de liaison 10 traversant cette rainure 9, de façon à former une première zone périphérique d'affaiblissement.The rear wall 6 comprises, in a thickness, a breakable portion 8, for example of oblong shape, which is separated from the rest of this rear wall 6 by a peripheral groove 9 and which is connected to the rest of this rear wall 6 by legs link 10 passing through this groove 9, so as to form a first weakening peripheral zone.

La partie sécable 8 comprend une portion sécable 11, par exemple de forme circulaire, qui est séparée du reste de cette partie sécable 8 par une rainure périphérique 12 et qui est reliée au reste de cette partie sécable 8 par des pattes de liaison 13 traversant cette rainure 12, de façon à former une seconde zone périphérique d'affaiblissement moins résistante que ladite première zone d'affaiblissement. La portion sécable 11 est située dans une position telle qu'elle est en saillie par rapport à la face extérieure arrière 7 de la paroi arrière 6.The breakable portion 8 comprises a breakable portion 11, for example of circular shape, which is separated from the rest of this breakable portion 8 by a peripheral groove 12 and which is connected to the remainder of this breakable portion 8 by connecting lugs 13 passing through this groove 12, so as to form a second peripheral weakening zone less resistant than said first weakening zone. The breakable portion 11 is located in a position such that it protrudes from the rear outer face 7 of the rear wall 6.

Le boîtier 3 contient une carte électronique 14, placée verticalement, qui porte des composants électroniques, qui est maintenue dans le boîtier 3 par des moyens adaptés (non représentés) et qui s'étend, dans ladite position rapprochée du boîtier 3 au-dessus du socle 2, parallèlement à la paroi arrière 6.The housing 3 contains an electronic card 14, placed vertically, which carries electronic components, which is held in the housing 3 by suitable means (not shown) and which extends in said position close to the housing 3 above the base 2, parallel to the rear wall 6.

Le boîtier 3 est équipé d'une tige horizontale d'actionnement 15 qui s'étend, dans ladite position rapprochée du boîtier 3 au-dessus du socle 2, perpendiculairement à la paroi arrière 6, et qui est montée coulissante dans un guide intérieur 16 du boîtier 3, la tige d'actionnement 15 présente une extrémité arrière 17 située en face de la portion sécable 11.The housing 3 is equipped with a horizontal actuating rod 15 which extends, in said position close to the housing 3 above the base 2, perpendicularly to the rear wall 6, and which is slidably mounted in an inner guide 16. of housing 3, the rod actuator 15 has a rear end 17 opposite the breakable portion 11.

La partie d'extrémité avant 18 de la tige d'actionnement 15 traverse librement un passage 19 aménagé au travers de la carte électronique 14.The front end portion 18 of the actuating rod 15 passes freely through a passage 19 arranged through the electronic card 14.

Le boîtier 3 est équipé d'une lame métallique élastique 20 qui s'étend en regard d'un organe électrique de détection d'arrachement 21 tel qu'un interrupteur et sur laquelle peut prendre appui l'extrémité avant 18 de la tige d'actionnement 15 de façon à solliciter cette dernière vers l'arrière.The casing 3 is equipped with an elastic metal blade 20 which extends opposite an electrical detachment detecting element 21 such as a switch and on which the front end 18 of the rod of FIG. actuation 15 so as to urge the latter backwards.

Comme illustré sur la figure 1, dans ladite position rapprochée du boîtier 3 au-dessus du socle 2, l'extrémité arrière 17 de la tige d'actionnement 15 prend appui sur la face intérieure 11a de la portion sécable 11 et la lame métallique élastique 20, contrainte à l'encontre de son élasticité, est en appui sur l'extrémité avant 18 de la tige d'actionnement 15 et est écartée de l'organe électrique de détection d'arrachement 21 qui n'est pas sollicité.As illustrated on the figure 1 , in said position close to the housing 3 above the base 2, the rear end 17 of the actuating rod 15 bears on the inner face 11a of the breakable portion 11 and the elastic metal blade 20, constrained to the against its elasticity, is supported on the front end 18 of the actuating rod 15 and is spaced apart from the electric detachment detecting member 21 which is not biased.

Le coffret 1 est alors, dans ladite position rapprochée du boîtier 3 au-dessus du socle 2, dans une position de repos dans laquelle il peut être stocké et transporté sans que la lame métallique élastique 20 ne soit en appui sur l'organe électrique de détection d'arrachement 21, de telle sorte que ce dernier n'est pas sollicité.The casing 1 is then, in said position close to the casing 3 above the base 2, in a rest position in which it can be stored and transported without the elastic metal blade 20 being in abutment on the electrical member of the housing. detachment detection 21, so that the latter is not requested.

En outre, du fait de la présence de la portion sécable 11 en saillie, la face arrière 7 de la paroi arrière 6 ne peut pas être appliquée contre une surface de montage, par exemple contre un mur.In addition, because of the presence of the breakable portion 11 projecting, the rear face 7 of the rear wall 6 can not be applied against a mounting surface, for example against a wall.

La partie sécable 8 présente, en un autre endroit que la portion sécable 11, un trou traversant 22 dont le diamètre est inférieur au diamètre de la portion sécable 11.The breakable portion 8 has, in another place than the breakable portion 11, a through hole 22 whose diameter is smaller than the diameter of the breakable portion 11.

La portion sécable 11 présente un passage traversant 23.The breakable portion 11 has a through passage 23.

La paroi arrière présente une pluralité de trous traversants 24 de fixation.The rear wall has a plurality of through holes 24 fixing.

Lorsqu'un utilisateur souhaite installer le coffret 1 contre un mur, il peut procéder de la manière suivante.When a user wants to install the cabinet 1 against a wall, it can proceed as follows.

L'utilisateur sépare le boîtier 3 du socle 2 en désolidarisant l'articulation 4 ou écarte le boîtier 3 du socle 2 en les faisant pivoter l'un par rapport à l'autre selon l'articulation 4.The user separates the housing 3 from the base 2 by separating the hinge 4 or separates the housing 3 from the base 2 by pivoting them relative to each other along the hinge 4.

L'utilisateur sépare la portion sécable en saillie 11 du reste de la partie sécable en rompant les pattes de liaison 13 et la conserve. La paroi arrière 6 présente alors un passage 25 à la place de la portion sécable 11 séparée.The user separates the breakable portion protruding 11 from the rest of the breakable portion by breaking the connecting lugs 13 and keeps it. The rear wall 6 then has a passage 25 in place of the separable portion 11 separated.

Sous l'effet de la lame élastique 20, la tige d'actionnement 15 est repoussée jusqu'à une position libérée dans laquelle son extrémité arrière 17 est située assez largement au-delà de la face arrière 7 de la paroi arrière 6. Cette position libérée est limitée, par exemple, par des épaulements 15a et 16a aménagés sur la tige d'actionnement 15 et le guide intérieur 16 du boîtier 3 et venant en appui l'un sur l'autre. Dans cette position libérée, la lame élastique sollicite l'organe électrique de détection d'arrachement 21.Under the effect of the elastic blade 20, the actuating rod 15 is pushed back to a released position in which its rear end 17 is located substantially far beyond the rear face 7 of the rear wall 6. This position released is limited, for example, by shoulders 15a and 16a arranged on the actuating rod 15 and the inner guide 16 of the housing 3 and bearing against one another. In this released position, the resilient blade biases the electrical detachment detecting member 21.

Comme illustré sur la figure 3, l'utilisateur place la face arrière 7 de la paroi arrière 6 du socle 3, libérée de la portion sécable en saillie 11, contre un mur 26 et fixe le socle 3 grâce à des vis de fixation 27 qui traversent les trous de fixation 24.As illustrated on the figure 3 , the user places the rear face 7 of the rear wall 6 of the base 3, released from the projecting breakable portion 11, against a wall 26 and fixes the base 3 by means of fixing screws 27 which pass through the fixing holes 24 .

L'utilisateur fixe également la partie sécable 8 contre le mur 26 grâce à une vis de fixation 28 qu'il fait passer au travers du trou 22 de cette partie sécable 8, en interposant, à titre de rondelle entre la tête de la vis 28 et la face arrière de la partie sécable 8, la portion sécable 11 dont le trou 23 est traversé par la tige de la vis 28.The user also fixes the breakable portion 8 against the wall 26 by means of a fixing screw 28 that passes through the hole 22 of this breakable portion 8, interposing, as a washer between the head of the screw 28 and the rear face of the breakable portion 8, the breakable portion 11 whose hole 23 is traversed by the rod of the screw 28.

Le diamètre du trou 22 peut être plus grand que les trous 24 de façon à compenser les défauts éventuels de positionnement de la vis de fixation 28 par rapport aux vis de fixation 27.The diameter of the hole 22 may be larger than the holes 24 so as to compensate for any defects in the positioning of the fixing screw 28 relative to the fixing screws 27.

Ceci étant fait, comme illustré sur la figure 4, l'utilisateur accouple et replace le boîtier 3 sur le socle dans sa position rapprochée précitée, ce qui repousse vers l'avant la tige d'actionnement 15. Dans cette position, l'extrémité arrière 17 de la tige d'actionnement 15 vient prendre appui contre le mur 26, en traversant le trou 25 laissé libre. La tige d'actionnement 15 se retrouve alors dans sa position de repos précitée dans laquelle son extrémité arrière pousse la lame métallique élastique 20 à l'encontre de son élasticité de telle sorte qu'elle se situe à distance de l'organe électrique 21.This being done, as illustrated on the figure 4 , the user couples and places the housing 3 on the base in its aforementioned close position, which pushes forward the actuating rod 15. In this position, the rear end 17 of the actuating rod 15 comes bear against the wall 26, crossing the hole 25 left free. The actuating rod 15 is then found in its aforementioned rest position in which its end rear push the elastic metal blade 20 against its elasticity so that it is located at a distance from the electrical member 21.

La carte électronique 14 incluse dans le boîtier 3, comprenant l'organe électrique 21 peut alors être activée.The electronic card 14 included in the housing 3, comprising the electrical member 21 can then be activated.

Si une personne mal intentionnée tente de séparer ou sépare le boîtier 2 du socle 3 en les écartant ou si une personne mal intentionnée tente de séparer ou sépare le socle 3 du mur 25, la tige d'actionnement 15 se trouve alors libérée et se déplace vers l'arrière sous l'effet de la lame élastique 20 jusqu'à ladite position libérée située au-delà de sa position de repos en appui sur le mur.If an ill-intentioned person tries to separate or separates the housing 2 from the base 3 by moving them apart or if a malicious person tries to separate or separates the base 3 from the wall 25, the actuating rod 15 is then released and moves rearward under the effect of the elastic blade 20 to said released position located beyond its rest position resting on the wall.

Alors, la lame métallique élastique 20, libérée, vient en contact sur l'organe électrique de détection d'arrachement 21 et sollicite ce dernier. Cet organe électrique 21 peut alors engendrer un signal électrique tel que la carte électronique 14 peut provoquer l'émission d'un signal d'alarme vers une alarme ou déclencher une alarme incluse dans le boîtier 2.Then, the resilient metal blade 20, released, comes into contact with the electrical detachment detecting member 21 and urges the latter. This electrical member 21 can then generate an electrical signal such that the electronic card 14 can cause the transmission of an alarm signal to an alarm or trigger an alarm included in the housing 2.

Dans le cas où une personne mal intentionnée tente de séparer ou sépare le socle 3 du mur 25, la partie sécable 8 reste contre le mur 25, les pattes de liaison 10 se rompant.In the case where a malicious person tries to separate or separates the base 3 of the wall 25, the breakable portion 8 remains against the wall 25, the connecting lugs 10 breaking.

La présente invention ne se limite pas à l'exemple ci-dessus décrit. Bien des variantes de réalisation sont possibles sans sortir du cadre de l'invention.The present invention is not limited to the example described above. Many alternative embodiments are possible without departing from the scope of the invention.

Claims (4)

  1. Cabinet comprising a rear wall (6) having a rear external face (7) which can bear on a receiving surface (26) and equipped with an actuating rod (15) of an electric removal detection element (21), subjected to an elastic element (20) and movable between a position of rest in which the electric removal detection element (21) is not applied and a released position projecting relative to said external rear face (7) in which the electronic removal detection element (21) is applied, one end (17) of the actuating rod (15) being able to bear on said receiving surface (26) through said rear wall (6), in which
    said rear wall (6) comprises a dividable part (8) which has a hole (22) for the passage of a securing screw (28), said dividable part (8) comprising a dividable portion (11) which projects to the outside relative to the external face (7) of said rear wall (6),
    one end of the actuating rod (15) being, in this position of rest, arranged on said dividable portion (11), said dividable part (11) being designed to be separated such that said end of the actuating rod (15) is in said position of rest, bearing on said receiving surface (26) through a hole (25) left by said dividable portion (11) when the latter is separated.
  2. Cabinet according to claim 1, wherein said dividable portion (11) has a traversing hole (23) and is dimensioned to form a washer which can be placed onto an inner area of said dividable part (8) surrounding the hole (22) of the latter to be traversed by a securing screw (28).
  3. Cabinet according to any of claims 1 and 2, wherein said dividable part (8) is connected to the rest of said rear wall (6) by a first weakened area (10) and the dividable portion (11) is connected to the rest of said dividable part (8) by a second weakened area (13) which is less resistant than the first weakened area (10).
  4. Cabinet according to any of the preceding claims, comprising a housing (2), including the actuating rod (15), said elastic element (20) and said electric element (21), and a base (3) comprising said rear wall (6); the housing (2) and the base (3) being articulated so as to be able to be placed above one another in a close position and being provided with a means for locking in said close position.
EP14161574.0A 2013-03-26 2014-03-25 Electronic cabinet provided with a removal detection member Active EP2784761B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1352715A FR3003988B1 (en) 2013-03-26 2013-03-26 ELECTRONIC BOX PROVIDED WITH AN ARRAY DETECTION MEMBER

Publications (3)

Publication Number Publication Date
EP2784761A2 EP2784761A2 (en) 2014-10-01
EP2784761A3 EP2784761A3 (en) 2014-11-05
EP2784761B1 true EP2784761B1 (en) 2018-01-10

Family

ID=48699067

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Application Number Title Priority Date Filing Date
EP14161574.0A Active EP2784761B1 (en) 2013-03-26 2014-03-25 Electronic cabinet provided with a removal detection member

Country Status (3)

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EP (1) EP2784761B1 (en)
ES (1) ES2662580T3 (en)
FR (1) FR3003988B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3093852B1 (en) * 2019-03-13 2021-03-19 Hager Security Alarm system element

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070290845A1 (en) * 2006-06-14 2007-12-20 Faycal Benjelloun Tamper detection mechanism for blind installation of circular sensors

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2797405A (en) * 1953-11-24 1957-06-25 Francis C W Stelter Container for valuables with alarm system
US4236148A (en) * 1979-03-19 1980-11-25 Crown Auto Top Manufacturing Co. Theft deterring and signalling device for portable fire extinguishers
DE59907541D1 (en) * 1999-03-08 2003-12-04 Siemens Building Tech Ag Housing for a hazard detector
GB201017104D0 (en) * 2010-10-11 2010-11-24 Cooper Security Ltd Alarm apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070290845A1 (en) * 2006-06-14 2007-12-20 Faycal Benjelloun Tamper detection mechanism for blind installation of circular sensors

Also Published As

Publication number Publication date
EP2784761A3 (en) 2014-11-05
FR3003988B1 (en) 2016-09-30
FR3003988A1 (en) 2014-10-03
EP2784761A2 (en) 2014-10-01
ES2662580T3 (en) 2018-04-09

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