WO2001011585A1 - Points d'appels ou unites a bris de glace - Google Patents

Points d'appels ou unites a bris de glace Download PDF

Info

Publication number
WO2001011585A1
WO2001011585A1 PCT/GB2000/003030 GB0003030W WO0111585A1 WO 2001011585 A1 WO2001011585 A1 WO 2001011585A1 GB 0003030 W GB0003030 W GB 0003030W WO 0111585 A1 WO0111585 A1 WO 0111585A1
Authority
WO
WIPO (PCT)
Prior art keywords
call point
cam
displaceable
actuated
call
Prior art date
Application number
PCT/GB2000/003030
Other languages
English (en)
Inventor
Christopher Neil Anderson
Original Assignee
Fulleon Limited
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
Priority claimed from GBGB9918783.3A external-priority patent/GB9918783D0/en
Application filed by Fulleon Limited filed Critical Fulleon Limited
Priority to AU63063/00A priority Critical patent/AU6306300A/en
Priority to DE60030864T priority patent/DE60030864T2/de
Priority to EP00949798A priority patent/EP1203361B1/fr
Publication of WO2001011585A1 publication Critical patent/WO2001011585A1/fr

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/12—Manually actuated calamity alarm transmitting arrangements emergency non-personal manually actuated alarm, activators, e.g. details of alarm push buttons mounted on an infrastructure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/022—Emergency operating parts, e.g. for stop-switch in dangerous conditions
    • H01H2003/0233—Emergency operating parts, e.g. for stop-switch in dangerous conditions for alarm triggering, e.g. fire alarm, emergency off switches operated by breaking a glass
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/052—Controlling, signalling or testing correct functioning of a switch

Definitions

  • This invention relates to call points or break glass units.
  • call points for use in alarm systems, for example, fire alarm or intruder alarm systems, access control systems, or for other uses.
  • Alarm systems generally comprise one or more sounders; which may be mechanical bells or electronic sounders, usually one or more detectors such as smoke detectors or heat detectors, and a central control panel.
  • sounders which may be mechanical bells or electronic sounders, usually one or more detectors such as smoke detectors or heat detectors, and a central control panel.
  • detectors such as smoke detectors or heat detectors
  • central control panel a central control panel
  • alarm systems incorporate manual call points such that a person discovering a fire, which has not yet activated any sensors, can manually alert the system, and thereby the other occupants of the building. Call points are also used in access control systems, and other applications.
  • the call points are most commonly of the break-glass type in which a piece of glass or other frangible material is positioned so that upon pressure being applied to the glass, the glass breaks, thus actuating the switch.
  • the switch actuation sends an appropriate signal to the alarm system.
  • some units include an element which is not broken but which is merely displaced upon actuation by finger pressure or similar, so that it releases the switch.
  • the displaceable element can of course be re-used many times but must be manually repositioned after each use. Since there is no clear broken element to visually check that the unit has been actuated, it is a requirement that there be some clear indication that the unit has been actuated and awaits resetting.
  • a call point comprising a movable element which is displaceable so as to cause a switch to indicate an alarm condition; and a flag for indicating that the call point has been actuated and requires resetting, wherein the flag is integral with the displaceable element so as to move, as the element moves, from a first position where it is not seen, to a second position where it is seen.
  • the element lies behind a viewing window such that in its unactuated position the flag is not viewed through the window but when actuated, the element moves to a position in which the flag is visible through the window.
  • the displaceable element may be arranged to pivot into the alarm position, in which case the flag may preferably be provided with wording which is generally horizontal when the displaceable element is in the alarm position .
  • a call point comprising a housing, a frangible or movable element for breaking or moving under manual pressure; a switch which is actuated by movement or breakage of the element to indicate an alarm position, a spring means and a latch, wherein the latch is moulded as an integral part of the moulding.
  • a call point comprising a moveable element which is displaceable so as to cause the switch to indicate an alarm condition; and wherein a cam is provided having a part upon which the moveable element rests in an unactuated position, the cam being displaceable to reset the moveable element from its actuated to its unactuated position.
  • a call point comprising the features of any. two or more of the preceding claims.
  • a pivot and a stop rib are also provided and these are also moulded as integral components of the housing.
  • Locations for the spring and switch may also be moulded as integral components of the housing.
  • the spring means may be a separate or integral component .
  • Figure 1 shows a front view of a call point
  • Figure 2 shows a cross-section through the point in a normal condition
  • Figure 3 shows the call point in an alarm condition
  • Figure 4 shows a cross-section through the call point in an alarm condition
  • Figures 5 to 7 show an alternative call point in, respectively, NORMAL, ALARM and RESET conditions;
  • Figure 8 shows a vertical cross-section;
  • Figure 9 shows a horizontal cross-section;
  • Figures 10 (a) -(c) show a cam;
  • Figure 11 shows an exploded view of a call point.
  • a call point comprises a housing 1 mounting a microswitch, or other switch device 2.
  • a displaceable element 3, comprising a sheet, generally of a plastics material, is mounted, in the normal condition, between the microswitch and a latch .
  • the latch 4 is preferably integrally moulded as part of the housing and is formed by an upwardly directed protrusion or finger. The latch holds the displaceable element in position so that it depresses the micro switch.
  • a spring S is held in tension when the element is in this position.
  • the element sits behind a viewing window 6 which is open to enable a finger to be placed through it to act upon the displaceable element to actuate the call point.
  • the housing includes one or more recesses 20 and/or clips 21 for attaching a front panel.
  • an integral part of the displaceable element forms a flag 7.
  • this is formed by an extended part of the displaceable element and bears the word ALARM.
  • other suitable wording may be used, and/or colour indication (such as the colour red) .
  • the flag area is not within the viewing area 8 formed by window 6 and therefore cannot be seen. All that can be seen is a rectangular central portion of displaceable element 3 defined by the size of viewing area 8.
  • the flag may be a part which is connected to the displaceable element ( eg by a rigid link) so that it moves with the displaceable element from a position where it is not viewed, to one where it is viewed.
  • the term 'integral' in the present specification includes such constructions.
  • Pivot 9 and stop rib 10 are also preferably integrally moulded with the housing 1, as are specific locations for the spring S and micro switch 2.
  • Figures 3 and 4 show the call point in alarm condition.
  • a passer-by notices an emergency situation such as smoke or fire, he actuates the call point by depressing it inwardly as shown at A ( Figure 4) .
  • This frees the lower end of the element from the latch 4 and it is then pushed by spring S so that it pivots downwards about pivot point 9.
  • the pivot point 9 could be omitted and the spring possibly positioned more centrally, or a further spring added, such that the entire plate drops.
  • Edge II of the element drops until it abuts against stop rib 10. At this position, it does not contact microswitch 2. The microswitch is therefore released and a call point is actuated.
  • the spring may be omitted and gravity alone used to enable the element to drop.
  • the flag and the associated wording are preferably printed or otherwise affixed on the displaceable element such that when the call point is in its alarm condition the wording is generally horizontal. This necessitates it being printed at a suitable angle, as shown in Figure I.
  • One or more location lugs 12, 13 may be formed as inward projections from the housing and serve to correctly position and space the displacing element in its normal position.
  • the housing is preferably of a plastics material and, as described, most preferably items such as the latch, pivot, stop rib and locations for the spring and micro switch are moulded as integral parts of the housing. This greatly eases manufacture and is a significant improvement over prior art designs in which separate latching components had to be manufactured and secured within the call point.
  • Figures 5 to 10 show an alternative embodiments of the call point.
  • a displaceable or breakable element 56 also includes a flag portion 57 which is arranged to move into and out of a viewing window.
  • the displaceable element 56 is held in a normal condition by a cam 58. This holds the element under tension from spring 55 so that micro switch 2 is depressed. The alarm flag is not seen.
  • the cam is mounted on a pivot 59 but is prevented from rotation in the normal condition by a clip 60 (shown more clearly in Figure 8 in cross section) . This shows that the clip 60 includes an upper shoulder portion against which a surface of the cam 58 abuts when in the normal condition, preventing rotation of the cam about pivot 59.
  • the clip 60 is preferably moulded as part of the chassis of the call point and includes a ramp portion 61 tapering outwards from the bottom, so that as a key or other member is pushed upwards, generally along the line of the ramp, it pushes the ramp progressively back, and thereby pushes back the attached clip portion.
  • the displaceable element pivots on the part 63 of -l i the frame .
  • a key 70 is used ( Figure 7) .
  • the key is shaped to have a portion 71 complementary to a recessed part 72 of the cam.
  • the key 70 is inserted and acts upon ramp part 61 to push clip 60 backwards (into the plane of the paper) . As will be appreciated from Figure 8, pushing clip 60 backwards causes the cam to be released.
  • part 71 pushes against the edge of recess 72 and thus rotates the cam around (clockwise) to a position past the edge of the displaceable element 56.
  • the displaceable element 56 then resumes its normal, flat, condition, as opposed to the deformed condition which it was held previously.
  • FIG. 10 (a) -(c) show the cam in more detail and illustrate the upstand 62, ledge 63, recessed part 72 and a through hole 73 through which a pin or other means is inserted into the chassis, and about which the cam can rotate.
  • cam shape is only one of several different configurations and shapes of cams which may be used to have generally the same effect.
  • call points are addressable devices. Thus, if a particular call point is actuated, it is possible to determine the address of that point on the system and therefore to know which call point has been actuated. It may also be possible to interrogate the call points from a central control unit for testing and to send messages to and from the call point.
  • DIL dual-in-line
  • Call points generally comprise a back box, a chassis and a front cover, including the viewing window.
  • the address DIL switch is conventionally located behind the chassis.
  • the call point On installation, the call point is bolted to a wall and left until commissioning. Then, to set the address code, the installer has to take the front cover off (usually by means of one or more screws), unbolt the chassis from the back box (usually with a plurality of bolts) and then pull the chassis out to locate the DIL switches. This can be time consuming and cumbersome .
  • FIG 11 shows an embodiment of the present invention and shows, in exploded form, a back box 100, a chassis 101 and a front cover 102.
  • the address DIL switch 103 is located on the front surface 104 of the chassis 101.
  • the chassis is mounted to the back plate by bolts 105 and the front panel is simply clipped in place, using means such as the recesses and clips shown on the housing (chassis) of Figure 1.
  • the address DIL switch 103 enables an address of the callpoint to be set by variations in its settings, as previously described.
  • the switch 103 may be replaced by an electronic circuit which is remotely accessible from a control panel to which the callpoint is connected.
  • the control panel sends signals to the electronic circuit which set that circuit (e.g. by setting a suitable electronic memory) to a suitable address.
  • the switch 103 represents a hardware method of setting the address and the electronic circuit (which would replace the switch 103 and be in the same location) represents a software method of setting the address .
  • Commissioning can therefore be achieved, in embodiments of the invention, by just removing the front cover, which can be simply undipped, eg by using test key 70, and then setting the address while the chassis is still mounted on the back box.
  • the test key has a part may have is suitably shaped, or has a suitably shaped fob portion to enable the front panel to be removed.
  • An LED or any other indicator may be mounted in a mounting part 107 , and viewed through a hole 106 in the front panel.
  • control electronics for the call point may also be mounted on the front face of the chassis.

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Push-Button Switches (AREA)
  • Fire Alarms (AREA)
  • Alarm Systems (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

Selon l'invention, un point d'appel, pour alarme incendie par exemple, possède un élément déplaçable (3), tel qu'une feuille de matériau plastique qui, par son déplacement, provoque une commutation (2) afin d'indiquer une condition d'alarme. Un indicateur (7) fait apparaître que le point d'appel a été déclenché et qu'il nécessite une remise à zéro. Cet indicateur (7) fait partie intégrante de l'élément à déplacer de façon à passer, lorsque l'élément (3) est déplacé, d'une première position non visible à une seconde position dans laquelle il est visible. Cette condition peut être réalisée lorsque l'indicateur (7), dans la seconde position, est visible au travers d'une fenêtre (6). L'élément (3) peut être maintenu par une prise (4) faisant partie intégrante du coffret (1) du point d'appel lorsqu'il se trouve dans la position non actionnée. Il est possible d'avoir une came (58) sur laquelle l'élément (3) repose dans sa position non actionnée, un déplacement de cette came permettant de replacer l'élément dans sa position non actionnée, après qu'il ait été déplacé dans position actionnée. Le point d'appel peut comporter une plaque noire (100), un châssis (101) et un couvercle frontal, avec un composant électrique (103), tel qu'un commutateur, afin d'établir une adresse du point d'appel, telle que présentée sur la surface frontale du châssis.
PCT/GB2000/003030 1999-08-10 2000-08-04 Points d'appels ou unites a bris de glace WO2001011585A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU63063/00A AU6306300A (en) 1999-08-10 2000-08-04 Call points or break glass units
DE60030864T DE60030864T2 (de) 1999-08-10 2000-08-04 Notrufschalter oder zerbrechbare glaseinheiten
EP00949798A EP1203361B1 (fr) 1999-08-10 2000-08-04 Points d'appels ou unites a bris de glace

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GBGB9918783.3A GB9918783D0 (en) 1999-08-10 1999-08-10 Call points or break glass units
GB9918783.3 1999-08-10
GB9928346.7 1999-12-01
GBGB9928346.7A GB9928346D0 (en) 1999-08-10 1999-12-01 Call points or break glass units

Publications (1)

Publication Number Publication Date
WO2001011585A1 true WO2001011585A1 (fr) 2001-02-15

Family

ID=26315836

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2000/003030 WO2001011585A1 (fr) 1999-08-10 2000-08-04 Points d'appels ou unites a bris de glace

Country Status (6)

Country Link
EP (1) EP1203361B1 (fr)
CN (2) CN1138245C (fr)
AU (1) AU6306300A (fr)
DE (1) DE60030864T2 (fr)
ES (1) ES2273711T3 (fr)
WO (1) WO2001011585A1 (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2370670A (en) * 2000-09-22 2002-07-03 Manhar Amlani Emergency signalling device incorporating an audible warning device
EP1288881A1 (fr) * 2001-09-03 2003-03-05 Siemens Building Technologies AG Avertisseur manuel de risques
FR2835756A1 (fr) 2002-02-12 2003-08-15 Axendis Declencheur manuel, notamment pour alarme d'incendie
WO2004102502A1 (fr) 2003-05-17 2004-11-25 Kac Alarm Company Limited Points d'appel
EP1503390A2 (fr) 2003-07-30 2005-02-02 CQR Security Components Limited Interrupteur d'alarme
EP1521225A1 (fr) * 2003-09-30 2005-04-06 Safety Technology International (Europe) Limited Point d'appel d'alarme
EP1632921A2 (fr) * 2004-09-02 2006-03-08 Novar GmbH Avertisseur de danger manuel
FR2878062A1 (fr) * 2004-11-18 2006-05-19 Finsecur Sa Procede et dispositif de declenchement manuel
GB2424764A (en) * 2005-03-31 2006-10-04 Maxhunt Ltd A call point
GB2426366A (en) * 2005-05-16 2006-11-22 Kac Alarm Company Ltd Call point for an alarm system
EP1988526A2 (fr) 2007-04-30 2008-11-05 Robert Bosch Gmbh Dispositif de signalisation à déclenchement manuel
GB2456327A (en) * 2008-01-11 2009-07-15 Everday Technology Co Ltd Manual call point
EP1988524A3 (fr) * 2007-04-30 2009-09-09 Robert Bosch GmbH Dispositif d'alerte doté d'un déclenchement manuel et affichage d'alarme
DE102006046839B4 (de) * 2006-10-02 2020-03-12 Robert Bosch Gmbh Branddruckknopfmelder

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007038729B4 (de) * 2007-08-16 2009-12-31 Novar Gmbh Manueller Gefahrenmelder
CN102208296B (zh) * 2010-03-31 2013-11-06 西门子公司 一种手动报警装置的复位机构及其手动报警装置
GB2595886A (en) * 2020-06-09 2021-12-15 Alba Innovations Ltd A light for a call point

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2830143A (en) * 1956-10-15 1958-04-08 Notifier Corp Alarm station
US4551707A (en) * 1982-05-27 1985-11-05 Emhart Industries, Inc. Fire alarm pull station
US5760678A (en) * 1996-05-20 1998-06-02 Harrington Signal Incorporated Manual modular pull station

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2830143A (en) * 1956-10-15 1958-04-08 Notifier Corp Alarm station
US4551707A (en) * 1982-05-27 1985-11-05 Emhart Industries, Inc. Fire alarm pull station
US5760678A (en) * 1996-05-20 1998-06-02 Harrington Signal Incorporated Manual modular pull station

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2370670B (en) * 2000-09-22 2005-03-02 Manhar Amlani Emergency signalling device
GB2370670A (en) * 2000-09-22 2002-07-03 Manhar Amlani Emergency signalling device incorporating an audible warning device
EP1288881A1 (fr) * 2001-09-03 2003-03-05 Siemens Building Technologies AG Avertisseur manuel de risques
US6674032B2 (en) 2001-09-03 2004-01-06 Siemens Building Technologies Ag Manual call point
FR2835756A1 (fr) 2002-02-12 2003-08-15 Axendis Declencheur manuel, notamment pour alarme d'incendie
WO2004102502A1 (fr) 2003-05-17 2004-11-25 Kac Alarm Company Limited Points d'appel
GB2401992B (en) * 2003-05-17 2006-12-13 Kac Alarm Company Ltd Call points
EP1503390A2 (fr) 2003-07-30 2005-02-02 CQR Security Components Limited Interrupteur d'alarme
EP1503390A3 (fr) * 2003-07-30 2007-03-21 CQR Security Components Limited Interrupteur d'alarme
EP1521225A1 (fr) * 2003-09-30 2005-04-06 Safety Technology International (Europe) Limited Point d'appel d'alarme
GB2406717A (en) * 2003-09-30 2005-04-06 Safety Technology Internat Alarm call point
GB2406717B (en) * 2003-09-30 2007-09-05 Safety Technology Internat Alarm call point
EP1632921A2 (fr) * 2004-09-02 2006-03-08 Novar GmbH Avertisseur de danger manuel
EP1632921A3 (fr) * 2004-09-02 2007-07-04 Novar GmbH Avertisseur de danger manuel
FR2878062A1 (fr) * 2004-11-18 2006-05-19 Finsecur Sa Procede et dispositif de declenchement manuel
WO2006053990A1 (fr) * 2004-11-18 2006-05-26 Finsecur Procede et dispositif de declenchement manuel
US8314714B2 (en) 2004-11-18 2012-11-20 Finsecur Method and device for manual triggering
GB2424764A (en) * 2005-03-31 2006-10-04 Maxhunt Ltd A call point
GB2424764B (en) * 2005-03-31 2007-10-03 Maxhunt Ltd Call points
GB2426366A (en) * 2005-05-16 2006-11-22 Kac Alarm Company Ltd Call point for an alarm system
DE102006046839B4 (de) * 2006-10-02 2020-03-12 Robert Bosch Gmbh Branddruckknopfmelder
EP1988526A2 (fr) 2007-04-30 2008-11-05 Robert Bosch Gmbh Dispositif de signalisation à déclenchement manuel
EP1988526A3 (fr) * 2007-04-30 2009-09-09 Robert Bosch Gmbh Dispositif de signalisation à déclenchement manuel
EP1988524A3 (fr) * 2007-04-30 2009-09-09 Robert Bosch GmbH Dispositif d'alerte doté d'un déclenchement manuel et affichage d'alarme
GB2456327A (en) * 2008-01-11 2009-07-15 Everday Technology Co Ltd Manual call point
GB2456327B (en) * 2008-01-11 2009-12-30 Everday Technology Co Ltd Manual call point

Also Published As

Publication number Publication date
CN1495680A (zh) 2004-05-12
ES2273711T3 (es) 2007-05-16
CN1370312A (zh) 2002-09-18
EP1203361B1 (fr) 2006-09-20
CN1138245C (zh) 2004-02-11
DE60030864T2 (de) 2007-04-19
EP1203361A1 (fr) 2002-05-08
AU6306300A (en) 2001-03-05
DE60030864D1 (de) 2006-11-02

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