EP1051695B1 - Dispositif d'alarme - Google Patents

Dispositif d'alarme Download PDF

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Publication number
EP1051695B1
EP1051695B1 EP99906605A EP99906605A EP1051695B1 EP 1051695 B1 EP1051695 B1 EP 1051695B1 EP 99906605 A EP99906605 A EP 99906605A EP 99906605 A EP99906605 A EP 99906605A EP 1051695 B1 EP1051695 B1 EP 1051695B1
Authority
EP
European Patent Office
Prior art keywords
alarm
shutter
ledge
frame
door
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.)
Expired - Lifetime
Application number
EP99906605A
Other languages
German (de)
English (en)
Other versions
EP1051695A1 (fr
Inventor
Leif Svensson
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.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1051695A1 publication Critical patent/EP1051695A1/fr
Application granted granted Critical
Publication of EP1051695B1 publication Critical patent/EP1051695B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind

Definitions

  • the present invention relates to a device for alarming of a shutter such as a door or a window that are firmly locked to a frame by means of at least one locking bolt that extends between the shutter and the frame and via an intermediate gap, the shutter and the frame having an outside that is faced from a room closed by means of the shutter.
  • Devices for the alarming of e.g. doors are well known. Among other things they comprise means to register damage to the door leaf itself and means to detect movements of the door leaf in relation to the frame, such as it is known from SE-A-95 00 875.
  • the means of the invention may be permanently connected to an alarm circuit, that is to say even when opening the door for due passage, the latter means have to be connected to the alarm circuit only when no due passage of the door is to be done, that is to say, when the door has to be kept closed.
  • a device of the first mentioned type has to be or may be connected as a separate alarm circuit to the alarm electronics in order to always be active as alarming means even if the other alarming means are shut off in order to e.g. during daytime protect a locked room as medicine storage or the data hall of the school.
  • a warning device that is intended for alarm of e.g. a door and that may be permanently connected.
  • Another object of the present invention is to achieve a warning device that alarms when only a slight damage is done to the door and a further object of the present invention is to achieve a warning device that may be relatively easy to be mounted on existing doors or frames without larger encroachments upon them.
  • a device of the type according to the ingress consists of a number of different members that in an attempted burglary with e.g. a crow bar in co-operation break a member of toughened glass and of one on this glass member formed electric loop as described in the Swedish patent application SE 9503821-2, or that cut a pre-stressed insulated wire with the similar function as the electric loop on the glass member, to be a part of a closed alarm loop connected to the alarm electronics.
  • the mentioned member according to the invention is mounted on the frame or the outside of the shutter in connection with the gap that is between the shutter and the frame on the lock side.
  • the device according to the invention is not arranged to detect movements of the shutter in relation to the frame it may be permanently connected to an alarm circuit and minimises the risk for above mentioned reasons non-alarm or false alarm. Thanks to the fact that the device according to the invention furthermore not detects movements of the shutter in relation to the frame the alarm may be started in a very early stage of a burglary attempt when the included members are affected to break the loop that is part of the alarm circuit, in most cases burglary attempts in that stage may be prevented in that way.
  • the members to be part of the device according to the invention are chosen from different function materials to co-operate with the included alarm loop as a whole in order to alarm in burglary attempts with e.g. a crow bar.
  • the mentioned glass member according to SE 9503821-2 or the insulated wire the mentioned members withstand safely and without being broken the shock load that results when e.g. a door or a window is shut.
  • the members that are part of the invention guarantee that they in case of damage e.g. by means of a crow bar in co-operation affect that the insulated wire as alarm circuit or the glass member with included alarm circuit are broken.
  • the device according to the invention is preferably mounted on the outer side in connection to the gap that always exists between frame and door or window. That placing of the device of the invention contributes to that in a burglary attempt the device in all probability will get in direct contact with the tool being used by the burglar and that the included members of the device affect the insulated wire to be cut off or the glass member to be broken before the door/window has become subject to more serious damage.
  • Figure 1 shows a section of a door with a frame belonging to it seen from the estimated side of attack.
  • Figure 2 shows a door seen from its outside and mounted upon the frame belonging to it members concerning the invention.
  • Figure 3 shows a door with the frame belonging to it seen from its inside that is turned towards the room to be secured and the included cable for the connection of the alarm circuit to the alarm electronics.
  • Figure 4 shows the door and the frame seen from above with parts of the wall and marking of the outside of the door or its inside in relation to the mounted member concerning the invention.
  • Figure 5 shows a detail drawing of door, frame and members concerning the invention and their co-operation in a burglary attempt both concerning the contact surfaces and the direction of motion of a crow bar.
  • Figure 6 shows an assembled part that is called alarm block and is part of the member concerning the invention.
  • Figure 7 shows an assembled part that is called alarm block and is part of the member concerning the invention with an alternatively insulated wire as an alarm loop for the previous described alarm loop with a carrier of toughened glass.
  • a door 1 is suspended pivotally on a frame 2 by means of hinge 29.
  • the frame 2 is mounted in a wall 4 that surrounds a room 32 that is to be closed by means of a door 1.
  • the door 1, shown in the drawings opens outwards, that is away from the room 32 and accordingly has an outside 27 and an inside 26. Between the door 1 and the frame 2 is on the outside 27 an air gap 30 on all sides of which in particular the vertical part that extends along the edge of the door 1, in which a lock device 22 is mounted, is important for the invention.
  • air gap 30 between the door 1 and the frame 2 extends accordingly a locking bolt 23 emanating from the lock device 22 into a striking-plate 33 on the frame 2, and the door 1 can only be broken if the locking bolt 23 e.g.
  • the invention consists of a warning device 3 comprising an alarm block 19.
  • the alarm block 19 comprises an alarm ledge 12 and is enclosed in an outer cover profile 8, the edge side 37 of which extends along the air gap 30 on the outer side of the frame 2 and has means of attachment 24 in both ends which results in that the cover profile 8 gets a possible lateral motion that is at a maximum in the centre between the means of attachment 24.
  • the upper side 34 of the cover profile 8 has got a corrugated design that creates a possibility to a motion of the edge side 37 that may replace the thought motion between the two attachments 24 of the cover profile 8, if that motion is blocked in some way.
  • An alarm circuit 16 will start an alarm signal in a burglary attempt with the tip of a crow bar 6 placed in the air gap 30 against the door 1 and the bending edge 25 presses against the edge 37 before any motion in the opening direction between the door 1 and the frame 2 arises.
  • the cover profile 8 has in the centre a recess 35 facing the frame 2 for the passage of a distance member 36.
  • the recess 35 is laterally wider than the distance member 36 is and therefor the intended lateral motion of the edge 37 on the cover profile 8 is achieved attained even when the alarm block 19 including the distance member 35 is firmly fastened to the frame 2 by means of bolts 21 and distance tubes 20.
  • the alarm block 19 consists of a bottom plate 13 with a distance member 36 fixed on the underside.
  • the slewing bracket 11 In connection with compressive load from the edge side 37 against the plastic bush 9 with the axle 10 belonging to it, the slewing bracket 11 is moved around its centre of rotation or revolving axle 14.
  • the alarm ledge 12 When the alarm ledge 12 is moved laterally until the plastic bush 15 with the axle 10 belonging to it stops further lateral movement, increases the load or pressure in the pressure point 38 from the edge side 37, the alarm ledge 12 will be broken off between the plastic bushes 9, 15 with the axles 10, 14 belonging to them. That leads to that the alarm circuit 16 being connected to the alarm electronics via insulated conduit wires 17 is broken, as a result of which the alarm will start.
  • the breaking effect of the alarm ledge 12 arises when the crow bar 6 acts on the edge side 37 in a breaking direction as shown with an arrow on figure 5.
  • the movable pressure point 38 is placed along one long side of the alarm ledge 12 with a vertical displacement in relation to the firm pressure points 39 that are placed on the other side of the alarm ledge 12.
  • the movable pressure point 38 is influenced by the edge side 37 to be moved against the cross-direction of the alarm ledge 12, this will lead to that the toughened glass in the alarm ledge 12 will be granulated into pieces and the included circuit 16 will be broken.
  • the attachment of the alarm ledge 12 in the alarm block 19 results in relatively large dispersion areas in granulation of the included glass that also guarantees a secure breaking function of the alarm circuit 16.
  • the included plastic bushes 9, 15 have the function to secure the longitudinal sides of the alarm ledge 12 in minor loads that may arise, if someone unintentional knocks against the cover strip 8. It has to be realised, that the alarm ledge 12 of toughened glass with included alarm circuit 16 may be replaced by another type of alarm circuit 16, such as e.g.
  • an insulated conduit wire is the alarm circuit 16 that is broken in the above mentioned movements of the warning device 3 where the slewing brackets 11 with the pressure points 38, 39 may act on cutters-like members 40, 41 to cut the conduit wire with the function as the alarm circuit 16 so that the alarm electronics 28 may start the alarm.
  • the alarm ledge 12 or other types of carriers of the alarm circuit 16 in the present invention are always arranged in a way, that the alarm circuit 16 connected via conduit wires 17 to the alarm electronics 28 always are a homogeneously closed circuit.

Landscapes

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

Claims (5)

  1. Dispositif d'alarme pour un élément de fermeture (1), tel qu'une porte ou une fenêtre, ledit élément de fermeture (1) étant fermement verrouillé à un cadre (2) au moyen d'au moins un verrou (23) qui s'étend entre l'élément de fermeture (1) et le cadre (2) à travers un espace d'air intermédiaire (30), l'élément de fermeture (1) et le cadre (2) ayant un côté externe (27) détourné d'une pièce (32) fermée au moyen de l'élément de fermeture (1), le dispositif comprenant un bloc alarme (19) qui contient un organe d'alarme (12) comportant un circuit électrique (16), qui sera interrompu lorsque des forces agissent sur l'organe d'alarme (12), caractérisé en ce que le bloc alarme (19) est contenu dans un profilé de couvercle allongé (8) comportant un bord (37) tourné vers l'espace d'air (30), et en ce que des éléments d'interruption du circuit d'alarme (9, 10, 14, 15) sont contenus dans le bloc alarme (19) et arrangés en connexion en partie avec le bord (37) sur le profilé de couvercle (8), en partie avec l'organe d'alarme (12) qui peut être amené à faire éclater et interrompre un circuit d'alarme (16) lorsque un pied de biche (6) ou similaire est appliqué dans l'espace d'air (30) et que des tentatives sont faites pour casser l'élément de fermeture et que le profilé de couvercle (8) est fléchi ou déformé.
  2. Dispositif selon la revendication 1, caractérisé en ce que les éléments interrompant le circuit d'alarme comprennent un premier élément de pression (9, 10) qui est arrangé sur un côté de l'organe d'alarme (12) et un second élément de pression (14, 15) qui est arrangé sur l'autre côté de l'organe d'alarme (12) et en ce que ces deux éléments de pression (9, 10 ou 14, 15) sont supportés par un support d'orientation (11) qui s'incline par rapport à la direction longitudinale de l'organe d'alarme (12).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que le dispositif (3) est monté sur le côté de verrouillage le long du bord du cadre et/ou de l'élément de fermeture (1) en connexion avec l'espace d'air (30) et en ce que le profilé de couvercle (8) est fixé à ses extrémités dans le cadre (2) de telle sorte qu'il peut être plié latéralement lorsque l'élément de fermeture (1) est cassé.
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les profilés de couvercles (8) ont une section profilée (34) qui a une action de ressort si le bord (37) est soumis à un mouvement lorsque le côté opposé du profilé de couvercle (8) est restreint dans son déplacement.
  5. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que les éléments de pression (9, 10, 14, 15) peuvent interrompre des circuits d'alarme de substitution pour démarrer l'alarme.
EP99906605A 1998-01-22 1999-01-22 Dispositif d'alarme Expired - Lifetime EP1051695B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9800150A SE512925C2 (sv) 1998-01-22 1998-01-22 Anordning för larmning av en lucka
SE9800150 1998-01-22
PCT/SE1999/000088 WO1999038134A1 (fr) 1998-01-22 1999-01-22 Dispositif d'alarme

Publications (2)

Publication Number Publication Date
EP1051695A1 EP1051695A1 (fr) 2000-11-15
EP1051695B1 true EP1051695B1 (fr) 2003-05-21

Family

ID=20409925

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99906605A Expired - Lifetime EP1051695B1 (fr) 1998-01-22 1999-01-22 Dispositif d'alarme

Country Status (5)

Country Link
EP (1) EP1051695B1 (fr)
AU (1) AU2646999A (fr)
DE (1) DE69908090D1 (fr)
SE (1) SE512925C2 (fr)
WO (1) WO1999038134A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8030465B2 (en) 2001-06-29 2011-10-04 Medimolecular Pty Ltd Nucleic acid ligands to complex targets
GB0900329D0 (en) * 2009-01-09 2009-02-11 Hennessy Gareth Improvements in anti-ligature devices and methods
GB2589113B (en) 2019-11-20 2021-11-17 Kingsway Enterprises Uk Ltd Pressure monitor
GB202018613D0 (en) 2020-11-26 2021-01-13 Kingsway Enterprises Uk Ltd Anti-ligature device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE18309T1 (de) * 1981-08-28 1986-03-15 Bauer Kassenfabrik Ag Alarmausloesefaehiger gitterstab.
CH668137A5 (fr) * 1986-05-07 1988-11-30 Alexandra Alioth Dispositif de commande d'un appareil electrique d'alarme.

Also Published As

Publication number Publication date
DE69908090D1 (de) 2003-06-26
EP1051695A1 (fr) 2000-11-15
SE9800150D0 (sv) 1998-01-22
WO1999038134A1 (fr) 1999-07-29
SE9800150L (sv) 1999-08-20
AU2646999A (en) 1999-08-09
SE512925C2 (sv) 2000-06-05

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