EP0864338B1 - Device for delayed activation of a valve - Google Patents

Device for delayed activation of a valve Download PDF

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Publication number
EP0864338B1
EP0864338B1 EP98102502A EP98102502A EP0864338B1 EP 0864338 B1 EP0864338 B1 EP 0864338B1 EP 98102502 A EP98102502 A EP 98102502A EP 98102502 A EP98102502 A EP 98102502A EP 0864338 B1 EP0864338 B1 EP 0864338B1
Authority
EP
European Patent Office
Prior art keywords
housing
locking element
lock bar
bolt
lever
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
EP98102502A
Other languages
German (de)
French (fr)
Other versions
EP0864338A2 (en
EP0864338A3 (en
Inventor
Werner Ing. Schmidt
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.)
Total Walther GmbH Feuerschutz und Sicherheit
Original Assignee
Total Walther GmbH Feuerschutz und Sicherheit
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Publication date
Application filed by Total Walther GmbH Feuerschutz und Sicherheit filed Critical Total Walther GmbH Feuerschutz und Sicherheit
Publication of EP0864338A2 publication Critical patent/EP0864338A2/en
Publication of EP0864338A3 publication Critical patent/EP0864338A3/en
Application granted granted Critical
Publication of EP0864338B1 publication Critical patent/EP0864338B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
    • A62C37/46—Construction of the actuator

Definitions

  • the invention relates to a device for delayed actuation of a valve, especially in connection with a fire extinguishing system, the delay time is adjustable by an electro-mechanically operated delay device, which consists of a motor-driven threaded spindle with a non-rotating one Threaded nut, with a, a bolt actuating driving pin, and the Delay device by means of a triggering device on an opening element of the Valve acts, the trigger device one of the delay device Lockable locking element is assigned that after the delay time is released and thus the opening element is actuated.
  • an electro-mechanically operated delay device which consists of a motor-driven threaded spindle with a non-rotating one Threaded nut, with a, a bolt actuating driving pin
  • the Delay device by means of a triggering device on an opening element of the Valve acts, the trigger device one of the delay device Lockable locking element is assigned that after the delay time is released and thus the opening element is actuated.
  • Such a device is known (DE 40 05 777 C1) and is in one Fire extinguishing system part of a fire alarm system.
  • the Safety for opening the valve in case of fire according to a prescribed Delay time increased many times over and the risk of accidental Tripping, resulting from inductances, lightning or the like, can be avoided.
  • the Safety is only guaranteed if the device is properly created and is properly installed.
  • the invention lies in ensuring these specifications the task of creating a device that can be produced in the workshop and can be assembled on site with the simplest of means.
  • the device can be expanded with the simplest means in such a way that a switch for actuation the motor, a switch to monitor the position of the threaded nut, and a Emergency switches are provided.
  • the essential features of the device 1 are the delay device 2 which Tripping device 3, the opening element 4 for the valve 7, the blocking element 5 and the force translator 6.
  • a housing 8 which has a cover 9 by means of cover fastenings 12 can be closed, the delay device 2 and the blocking element 5 accommodated.
  • a motor 14 is connected to the side wall 10 by means of a motor flange 15 of the housing 8 flanged.
  • the flange 15 and the side wall 10 are with holes 34 and 35 provided, through which a threaded spindle 16 is guided.
  • this is with connected to the motor 14 and on the other hand with a threaded nut 17 Provided threaded bore 20 and a driver pin 18.
  • In the side wall 36 of the Housing 8 has a recess 29 into which one end of a bolt 21 the delay device 2 is guided.
  • the latch 21 On the other end face of the latch 21 is a bore 26 is provided, in which a guide rod 27 is inserted, which in a Guide opening 28 of the side wall 10 is guided.
  • the latch 21 consists of a Latch body 22 with an angled stop on the lower surface 48 to which the Driving pin 18 of the threaded nut 17 can be attacked.
  • the bolt body 22 provided with an elongated hole 24 through which the bolt 30 is formed Locking element 5 can be passed.
  • One end of the bolt 30 is through an opening 37 out in the rear wall 11 of the housing 8.
  • the other end is with an enlarged bolt head 31 which is arranged so that it on a Inclined surface 25 of the surface 47 of the latch 21 abuts.
  • the bolt head 31 stored in a bearing opening 33 of a guide cam 32 of the cover 9.
  • the bolt 30 is still with a locking disk 38 and the driving pin 18 of the threaded nut 17 with a Recess 19 provided.
  • the recess 19 is in the standby state Device 1 is placed on the bolt 30, thereby preventing the locking element 5 unwanted unlocked the trigger device 3.
  • the delay device 2 is in the standby state and thus shown in the locked position.
  • the motor 14 is switched on Fire control panel, not shown, actuated so that now in the threaded bore 20 seated threaded spindle 16 drives the threaded nut 17 in the direction of the Motor 14 is moved. Due to the thread pitch of the threaded spindle 16 and The delay time can be set at their speed. After the delay time has expired the driver pin 18 reaches the stop 23 of the bolt 21 and moves it likewise in the direction of the motor 14. Because of the inclined surface 25 of the latch 21 the bolt head 31 of the locking element 5 held by a spring 39 in the direction pushed onto the lid 9.
  • the locking disk 38 can also be moved.
  • the locking element 5 is moved so far that the locking force on a lever 40 of Tripping device 3 is canceled.
  • a spring 41 under tension moves the lever 40 mounted on a shaft 42 upwards, so that the locking effect of the locking lever 43 on the spring 45 of the force booster 6 is lifted.
  • the actuating rod 44 of the opening element 4 in the direction of the Actuating lever 46 moves, which opens the valve 7 and thus the Deletion is initiated.
  • the trigger device 3 can be in a separate Housing 13 are housed, which in turn together with the housing 8 for the Delay device 2 can be connected to a compact unit.
  • the switch 60 gives the command to the motor 14 to switch it off, when the valve 7 is open.
  • the lever 40 is fixed to the shaft 42 so that after the release and pivoting of the lever 40, the shaft 42 also rotates.
  • the shaft 42 is passed through a bore 57 of the housing and carries one at the housing end Eccentric 58, which is associated with an operating lever 59 mounted in a bearing 67 and is arranged so that it can operate the contact 61 of the switch 60. Will the Unlocked lever 40 and thus the shaft 42 is pivoted with the eccentric 58, the Contact 61 released. Motor 14 now receives switch 60 the command to stop.
  • the device 1 is again in the standby position brought and the lever 40 is reset to the original position, the Eccentric 58 also brought back to the starting position and thus the contact 61 closed.
  • the motor 14 is actuated again and the threaded nut 17 in brought to their standby.
  • the switch 62 with its contact 63 is like this arranged that the contact 63 with the bevel 56 on the driver pin 18 Threaded nut 17 attacks. If the threaded nut 17 after turning on the Motor 14 moved out of the ready position, the contact 63 opens and shows so that the threaded nut 17 has been moved and no longer in Is on standby. The threaded nut 17 is again in the ready position driven, the contact 63 is closed and thereby the motor 14 via the switch 62 switched off again.
  • the switch 64 is provided as an emergency switch. It monitors the functionality of the Switch 60 or the functionality of the latch 21, e.g. if it sticks or other interferences occur.
  • the contact 65 lies on the surface of the recess 54 of the latch 21 and is actuated when the inclined surface 55 reaches the contact. It can thus the safe function of the bolt 21 for opening the valve 7, as well as for the provision is monitored in the event of renewed readiness.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Valve Device For Special Equipments (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Safety Valves (AREA)
  • Control Of Combustion (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

The delay time is adjustable through an electro-mechanically operated time-delay appliance consists of a motor-driven threaded spindle (16) with a non-rotary threaded nut (17),and a drive pin (18) operating a bolt (21). The delay appliance affects an opening element of the valve by means of a release which has a locking element which is released after the time-delay time has elapsed and operates the opening element. The bolt with the locking element, and the threaded spindle with the threaded nut are contained in a lidded housing (8). The threaded spindle leads through a side wall (10) in the housing and is connected to a motor flange-mounted on the housing. The locking element is joined to the release outside the housing.

Description

Die Erfindung betrifft eine Vorrichtung zur verzögerten Betätigung eines Ventils, insbesondere in Verbindung mit einer Feuerlöschanlage, wobei die Verzögerungszeit durch eine elektro-mechanisch betriebene Verzögerungseinrichtung einstellbar ist, die aus einer mototrisch betriebenen Gewindespindel mit einer nicht mitdrehenden Gewindemutter, mit einem, einen Riegel betätigenden Mitnehmerstift besteht, und die Verzögerungseinrichtung mittels einer Auslösevorrichtung auf ein Öffnungselement des Ventils einwirkt, wobei der Auslösevorrichtung ein von der Verzögerungseinrichtung arretierbares Sperrelement zugeordnet ist, das nach Ablauf der Verzögerungszeit freigegeben wird und damit das Öffnungselement betätigt.The invention relates to a device for delayed actuation of a valve, especially in connection with a fire extinguishing system, the delay time is adjustable by an electro-mechanically operated delay device, which consists of a motor-driven threaded spindle with a non-rotating one Threaded nut, with a, a bolt actuating driving pin, and the Delay device by means of a triggering device on an opening element of the Valve acts, the trigger device one of the delay device Lockable locking element is assigned that after the delay time is released and thus the opening element is actuated.

Eine derartige Vorrichtung ist bekannt (DE 40 05 777 C1) und ist in einer Feuerlöschanlage Bestandteil einer Brandmeldezentrale. Mit dieser Vorrichtung soll die Sicherheit für das Öffnen des Ventils im Brandfalle nach einer vorgeschriebenen Verzögerungszeit um ein Vielfaches erhöht und die Gefahr des unbeabsichtigten Auslösens, zur Folge von Induktivitäten, Blitze oder dergleichen, vermieden werden. Die Sicherheit ist nur gewährleistet, wenn die Vorrichtung ordnungsgemäß erstellt und vorschriftsmäßig montiert ist. Zur Gewährleistung dieser Vorgaben liegt der Erfindung die Aufgabe zugrunde eine Vorrichtung zu schaffen, die werkstattmäßig herstellbar und auf der Baustelle mit einfachsten Mitteln montierbar ist.Such a device is known (DE 40 05 777 C1) and is in one Fire extinguishing system part of a fire alarm system. With this device the Safety for opening the valve in case of fire according to a prescribed Delay time increased many times over and the risk of accidental Tripping, resulting from inductances, lightning or the like, can be avoided. The Safety is only guaranteed if the device is properly created and is properly installed. The invention lies in ensuring these specifications the task of creating a device that can be produced in the workshop and can be assembled on site with the simplest of means.

Diese Aufgabe wird dadurch gelöst, daß der Riegel mit dem Sperrelement und die Gewindespindel mit der Gewindemutter in einem Gehäuse mit Deckel untergebracht sind, wobei die Gewindespindel durch eine Seitenwand des Gehäuses geführt und mit dem am Gehäuse angeflanschten Motor verbunden ist, daß das Sperrelement durch die Rückwand des Gehäuses geführt und dort mit der Auslösevorrichtung verbunden ist.This object is achieved in that the bolt with the locking element and the Threaded spindle with the threaded nut housed in a housing with a cover are, with the threaded spindle through a side wall of the housing and with the motor flanged to the housing is connected so that the locking element by the Led rear wall of the housing and is connected there to the triggering device.

Mit dieser Maßnahme wird eine funktionstüchtige und einfache Vorrichtung geschaffen, die jederzeit die erforderlichen Kriterien des Brandschutzes erfüllt.This measure creates a functional and simple device, that meets the required fire protection criteria at all times.

Mit der einfachen werkstattmäßig hergestellten Vorrichtung läß sich auch mit einfachsten Mitteln eine Kontrolle und Überwachung der Einrichtung durchführen. Die Vorrichtung läßt sich mit einfachsten Mitteln in der Weise erweitern, daß ein Schalter zum Betätigen des Motors, ein Schalter zur Überwachung der Stellung der Gewindemutter, sowie ein Notschalter vorgesehen sind.With the simple workshop-made device, even the simplest can be used Means control and monitor the facility. The device can be expanded with the simplest means in such a way that a switch for actuation the motor, a switch to monitor the position of the threaded nut, and a Emergency switches are provided.

Einzelheiten der Erfindung sind in der Zeichnung dargestellt und nachfolgend näher beschrieben.
Es zeigt:

Fig. 1
eine Ansicht auf das geöffnete Gehäuse,
Fig. 2
einen Schnitt gemäß Linie A - B in Fig. 1,
Fig. 3
eine Einzeldarstelltung des Riegels in Vorderansicht und Draufsicht,
Fig. 4
eine Einzeldarstellung der Gewindemutter in zwei Ansichten,
Fig. 5
einen Schnitt gemäß Linie C - D in Fig. 2,
Fig. 6
eine Einzeldarstellung des Sperrelementes,
Fig. 7
eine weitere Ansicht auf das geöffnete Gehäuse.
Details of the invention are shown in the drawing and described in more detail below.
It shows:
Fig. 1
a view of the opened housing,
Fig. 2
2 shows a section along line A - B in FIG. 1,
Fig. 3
an individual representation of the bar in front view and top view,
Fig. 4
an individual representation of the threaded nut in two views,
Fig. 5
3 shows a section along line C - D in FIG. 2,
Fig. 6
an individual representation of the locking element,
Fig. 7
another view of the open case.

Die wesentlichen Merkmale der Vorrichtung 1 sind die Verzögerungseinrichtung 2, die Auslösevorrichtung 3, das Öffnungselement 4 für das Ventil 7, das Sperrelement 5 und der Kraftübersetzer 6.The essential features of the device 1 are the delay device 2 which Tripping device 3, the opening element 4 for the valve 7, the blocking element 5 and the force translator 6.

In einem Gehäuse 8, das mit einem Deckel 9 mittels Deckelbefestigungen 12 verschließbar ist, sind die Verzögerungseinrichtung 2 und das Sperrelement 5 untergebracht. Ein Motor 14 ist mittels eines Motorflansches 15 an die Seitenwand 10 des Gehäuses 8 angeflanscht. Der Flansch 15 und die Seitenwand 10 sind mit Bohrungen 34 und 35 versehen, durch die eine Gewindespindel 16 geführt ist. Diese ist einerseits mit dem Motor 14 verbunden und andererseits mit einer Gewindemutter 17 mit Gewindebohrung 20 und einem Mitnehmerstift 18 versehen. In die Seitenwand 36 des Gehäuses 8 ist eine Ausnehmung 29 eingelassen, in die das eine Ende eines Riegels 21 der Verzögerungseinrichtung 2 geführt ist. An der anderen Stirnfläche des Riegels 21 ist eine Bohrung 26 vorgesehen, in die eine Führungsstange 27 eingelassen ist, die in einer Führungsöffnung 28 der Seitenwand 10 geführt ist. Der Riegel 21 besteht aus einem Riegelkörper 22 mit einem an der Unterfläche 48 abgewinkelten Anschlag 23, an den der Mitnehmerstift 18 der Gewindemutter 17 angreifbar ist. Außerdem ist der Riegelkörper 22 mit einem Langloch 24 versehen, durch das das als Bolzen 30 ausgebildete Sperrelement 5 hindurchführbar ist. Das eine Ende des Bolzens 30 ist durch eine Öffnung 37 in der Rückwand 11 des Gehäuses 8 nach außen geführt. Das andere Ende ist mit einem vergrößerten Bolzenkopf 31 versehen, der so angeordnet ist, daß er an einer Schrägfläche 25 der Oberfläche 47 des Riegels 21 anliegt. Fernerhin ist der Bolzenkopf 31 in einer Lageröffnung 33 eines Führungsnockens 32 des Deckels 9 gelagert. Mit dieser Anordnung ist eine absolut einwandfreie Verzögerungseinrichtung geschaffen, die das Sperrelement 5 jederzeit in einem funktionstüchtigen Zustand hält. Damit das Sperrelement 5 nicht unbeabsichtigt ausgelöst werden kann, ist der Bolzen 30 noch mit einer Sperrscheibe 38 und der Mitnehmerstift 18 der Gewindemutter 17 mit einer Ausnehmung 19 versehen. Die Ausnehmung 19 ist im Bereitschaftszustand der Vorrichtung 1 am Bolzen 30 angelegt, womit verhindert wird, daß das Sperrelement 5 ungewünscht die Auslösevorrichtung 3 entriegelt.In a housing 8, which has a cover 9 by means of cover fastenings 12 can be closed, the delay device 2 and the blocking element 5 accommodated. A motor 14 is connected to the side wall 10 by means of a motor flange 15 of the housing 8 flanged. The flange 15 and the side wall 10 are with holes 34 and 35 provided, through which a threaded spindle 16 is guided. On the one hand, this is with connected to the motor 14 and on the other hand with a threaded nut 17 Provided threaded bore 20 and a driver pin 18. In the side wall 36 of the Housing 8 has a recess 29 into which one end of a bolt 21 the delay device 2 is guided. On the other end face of the latch 21 is a bore 26 is provided, in which a guide rod 27 is inserted, which in a Guide opening 28 of the side wall 10 is guided. The latch 21 consists of a Latch body 22 with an angled stop on the lower surface 48 to which the Driving pin 18 of the threaded nut 17 can be attacked. In addition, the bolt body 22 provided with an elongated hole 24 through which the bolt 30 is formed Locking element 5 can be passed. One end of the bolt 30 is through an opening 37 out in the rear wall 11 of the housing 8. The other end is with an enlarged bolt head 31 which is arranged so that it on a Inclined surface 25 of the surface 47 of the latch 21 abuts. Furthermore, the bolt head 31 stored in a bearing opening 33 of a guide cam 32 of the cover 9. With this arrangement creates an absolutely flawless delay device that keeps the locking element 5 in a functional state at all times. So that Locking element 5 cannot be triggered unintentionally, the bolt 30 is still with a locking disk 38 and the driving pin 18 of the threaded nut 17 with a Recess 19 provided. The recess 19 is in the standby state Device 1 is placed on the bolt 30, thereby preventing the locking element 5 unwanted unlocked the trigger device 3.

In der Zeichnung Fig. 1 und 2 ist die Verzögerungseinrichtung 2 im Bereitschaftszustand und damit in der Sperrstellung dargestellt. Im Brandfalle wird der Motor 14 über die nicht dargestellte Brandmeldezentrale betätigt, so daß jetzt die in der Gewindebohrung 20 sitzende Gewindespindel 16 die Gewindemutter 17 antreibt, die in Richtung auf den Motor 14 hin bewegt wird. Aufgrund der Gewindesteigung der Gewindespindel 16 und ihrer Drehzahl ist die Verzögerungszeit einstellbar. Nach Ablauf der Verzögerungszeit erreicht der Mitnehmerstift 18 den Anschlag 23 des Riegels 21 und verschiebt diesen ebenfalls in Richtung auf den Motor 14. Aufgrund der Schrägfläche 25 des Riegels 21 wird der von einer Feder 39 gehaltene Bolzenkopf 31 des Sperrelementes 5 in Richtung auf den Deckel 9 geschoben. Nachdem die Sperrwirkung des Mitnehmerstiftes 18 aufgehoben ist, kann auch die Sperrscheibe 38 mit verschoben werden. Das Sperrelement 5 wird so weit verschoben, daß die arretierende Kraft auf einen Hebel 40 der Auslösevorrichtung 3 aufgehoben wird. Eine unter Spannung stehende Feder 41 bewegt den auf einer Welle 42 gelagerten Hebel 40 nach oben, so daß auch die Arretierwirkung des Arretierhebels 43 auf die Feder 45 des Kraftübersetzers 6 aufgehoben wird. Damit wird die Betätigungsstange 44 des Öffnungselementes 4 in Richtung auf den Betätigungshebel 46 bewegt, wodurch das Ventil 7 geöffnet und damit der Löschvorgang eingeleitet wird. Die Auslösevorrichtung 3 kann in einem gesonderten Gehäuse 13 untergebracht werden, das wiederum zusammen mit dem Gehäuse 8 für die Verzögerungseinrichtung 2 zu einer kompakten Einheit verbunden werden kann.1 and 2, the delay device 2 is in the standby state and thus shown in the locked position. In the event of a fire, the motor 14 is switched on Fire control panel, not shown, actuated so that now in the threaded bore 20 seated threaded spindle 16 drives the threaded nut 17 in the direction of the Motor 14 is moved. Due to the thread pitch of the threaded spindle 16 and The delay time can be set at their speed. After the delay time has expired the driver pin 18 reaches the stop 23 of the bolt 21 and moves it likewise in the direction of the motor 14. Because of the inclined surface 25 of the latch 21 the bolt head 31 of the locking element 5 held by a spring 39 in the direction pushed onto the lid 9. After the locking effect of the driver pin 18th is lifted, the locking disk 38 can also be moved. The locking element 5 is moved so far that the locking force on a lever 40 of Tripping device 3 is canceled. A spring 41 under tension moves the lever 40 mounted on a shaft 42 upwards, so that the locking effect of the locking lever 43 on the spring 45 of the force booster 6 is lifted. In order to the actuating rod 44 of the opening element 4 in the direction of the Actuating lever 46 moves, which opens the valve 7 and thus the Deletion is initiated. The trigger device 3 can be in a separate Housing 13 are housed, which in turn together with the housing 8 for the Delay device 2 can be connected to a compact unit.

Im Gehäuseraum 66 sind drei Schalter 60, 62 und 64 mit Kontakten 61, 63 und 65 untergebracht. Der Schalter 60 gibt den Befehl an den Motor 14, diesen abzuschalten, wenn das Ventil 7 geöffnet ist. Der Hebel 40 ist mit der Welle 42 befestigt, so daß sich die Welle 42 nach Freigabe und Verschwenken des Hebels 40 mitdreht. Die Welle 42 ist durch eine Bohrung 57 des Gehäuses geführt und trägt am gehäuseseitigen Ende einen Excenter 58, der einem in einem Lager 67 gelagerten Betätigungshebel 59 zugeordnet und so angeordnet ist, daß er den Kontakt 61 des Schalters 60 betätigen kann. Wird der Hebel 40 entriegelt und damit die Welle 42 mit dem Excenter 58 verschwenkt, wird der Druck auf den Kontakt 61 aufgehoben. Über den Schalter 60 erhält jetzt der Motor 14 den Befehl zum Anhalten. Wird die Vorrichtung 1 wieder in Bereitschaftsstellung gebracht und der Hebel 40 in die Ursprungslage zurückgesetzt, wird gleichzeitig der Excenter 58 ebenfalls wieder in die Ausgangsposition gebracht und damit der Kontakt 61 geschlossen. Dadurch wird der Motor 14 wieder betätigt und die Gewindemutter 17 in ihre Bereitschaftsstellung gebracht. Der Schalter 62 mit seinem Kontakt 63 ist so angeordnet, daß der Kontakt 63 mit der Schräge 56 am Mitnehmerstift 18 der Gewindemutter 17 angreift. Wird die Gewindemutter 17 nach dem Anschalten des Motors 14 aus der Bereitschaftsstellung herausgefahren, öffnet der Kontakt 63 und zeigt damit an, daß die Gewindemutter 17 bewegt wurde und nicht mehr in Bereitschaftsstellung ist. Wird die Gewindemutter 17 wieder in Bereitschaftsstellung gefahren, wird der Kontakt 63 geschlossen und dadurch der Motor 14 über den Schalter 62 wieder abgeschaltet.In the housing space 66 there are three switches 60, 62 and 64 with contacts 61, 63 and 65 accommodated. The switch 60 gives the command to the motor 14 to switch it off, when the valve 7 is open. The lever 40 is fixed to the shaft 42 so that after the release and pivoting of the lever 40, the shaft 42 also rotates. The shaft 42 is passed through a bore 57 of the housing and carries one at the housing end Eccentric 58, which is associated with an operating lever 59 mounted in a bearing 67 and is arranged so that it can operate the contact 61 of the switch 60. Will the Unlocked lever 40 and thus the shaft 42 is pivoted with the eccentric 58, the Contact 61 released. Motor 14 now receives switch 60 the command to stop. The device 1 is again in the standby position brought and the lever 40 is reset to the original position, the Eccentric 58 also brought back to the starting position and thus the contact 61 closed. As a result, the motor 14 is actuated again and the threaded nut 17 in brought to their standby. The switch 62 with its contact 63 is like this arranged that the contact 63 with the bevel 56 on the driver pin 18 Threaded nut 17 attacks. If the threaded nut 17 after turning on the Motor 14 moved out of the ready position, the contact 63 opens and shows so that the threaded nut 17 has been moved and no longer in Is on standby. The threaded nut 17 is again in the ready position driven, the contact 63 is closed and thereby the motor 14 via the switch 62 switched off again.

Der Schalter 64 ist als Notschalter vorgesehen. Er überwacht die Funktionsfähigkeit des Schalters 60 bzw. die Funktionstüchtigkeit des Riegels 21, z.B. wenn dieser klemmt oder andere Störeinflüsse auftreten. Der Kontakt 65 liegt an der Fläche der Ausnehmung 54 des Riegels 21 an und wird betätigt, wenn die Schrägfläche 55 den Kontakt erreicht. Es kann somit die sichere Funktion des Riegels 21 für das Öffnen des Ventils 7, als auch für die Rückstellung im Falle einer erneuten Bereitschaft überwacht werden.The switch 64 is provided as an emergency switch. It monitors the functionality of the Switch 60 or the functionality of the latch 21, e.g. if it sticks or other interferences occur. The contact 65 lies on the surface of the recess 54 of the latch 21 and is actuated when the inclined surface 55 reaches the contact. It can thus the safe function of the bolt 21 for opening the valve 7, as well as for the provision is monitored in the event of renewed readiness.

Claims (14)

  1. Device for delayed actuation of a valve (7), in particular in conjunction with a fire extinguishing means, wherein the delay time is settable by an electromechanically operated delay means comprising a motorized threaded spindle (16) provided with a threaded nut (17) secured against rotation and a carrier pin (18) actuating a lock bar (21), and wherein the delay means acts upon an opening element (46) of the valve (7) by means of a triggering device, wherein a locking element lockable by the delay means is associated with the triggering device, said locking element being released when the delay time has elapsed, thus actuating the opening element (46),
    characterized in that
    the lock bar (21) with the locking element (5) and the threaded spindle (16) with the threaded nut (17) are accommoated in a housing (8) having a cover (9), wherein the threaded spindle (16) is guided through a side wall (10) of the housing (8) and is connected with the motor flange-mounted to the housing (8); and the locking element (5) is connected, outside the housing (8), with the triggering device (3).
  2. Device according to claim 1, characterized in that the lock bar (21) comprises a lock bar body (22) having an angled stop (23) with which the carrier pin (18) of the threaded nut (17) is adpated to engage, and the lock bar body (22) is provided with an oblong hole (24) for receiving the bolt-type locking element (5), and an inclined surface (25) adapted to bear upon the locking element (5).
  3. Device according to claims 1 and 2, characterized in that the lock bar (21) is, on one side, supported in a recess (29) of the housing (8) and, on the other side, connected with a guide rod (27) guided in a guide opening (28) in the side wall (10) of the housing (8).
  4. Device according to one of claims 1 to 3, characterized in that the locking element (5) comprises a bolt (30) having a bolt head (31), which is supported in the cover (9) of the housing (8) and bears upon the inclined surface (25) of the lock bar (21).
  5. Device according to claim 4, characterized in that the bolt (30) is provided with a locking disk (38).
  6. Device according to one of claims 1 to 5, characterized in that the carrier pin (18) of the threaded nut (17) comprises a recess (19) blocking the bolt (30) of the locking element (5).
  7. Device according to one of claims 1 to 6, characterized in that the triggering device (3) is accommodated in a housing (13) which is adapted to be connected with the housing (8) to form a unit.
  8. Device according to claim 7, characterized in that the triggering device (3) comprises a lever (40) fixed to a shaft (42), to which lever a stop lever (43) is fixed which blocks a spring (45) using an actuating rod (44) of the power transmission means (6).
  9. Device according to claim 8, characterized in that the shaft (42) is supported in a bore (57) of the housing (8).
  10. Device according to claims 7 to 9, characterized in that the actuating rod (44) is associated with the opening lever (46) of the valve (7).
  11. Device according to claims 1 to 10, characterized in that at the housing-side end of the shaft (42) inside the housing (8) an eccentric (58) is fixed which is associated with an actuating lever (59) for actuating a contact (61) of a switch (60) which switches the motor (14) on and off.
  12. Device according to claims 1 to 10, characterized in that the carrier pin (18) comprises an inclined surface (56) at its lower side, said inclined surface being associated with a contact (63) of a switch (62) which monitors and indicates the motion of the threaded spindle (17).
  13. Device according to one of claims 1 to 10, characterized in that the side surface (50) of the lock bar (21) comprises a recess (54) defining an inclined surface (55), said recess being associated with a contact (65) of an emergency switch (64).
  14. Device according to claims 11 to 13, characterized in that the switches (60,62,64) are accommodated inside the housing space (66).
EP98102502A 1997-03-13 1998-02-13 Device for delayed activation of a valve Expired - Lifetime EP0864338B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19710377 1997-03-13
DE19710377A DE19710377C2 (en) 1997-03-13 1997-03-13 Device for delayed actuation of a valve

Publications (3)

Publication Number Publication Date
EP0864338A2 EP0864338A2 (en) 1998-09-16
EP0864338A3 EP0864338A3 (en) 2000-10-18
EP0864338B1 true EP0864338B1 (en) 2003-05-07

Family

ID=7823238

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98102502A Expired - Lifetime EP0864338B1 (en) 1997-03-13 1998-02-13 Device for delayed activation of a valve

Country Status (7)

Country Link
EP (1) EP0864338B1 (en)
AT (1) ATE239527T1 (en)
CZ (1) CZ291640B6 (en)
DE (2) DE19710377C2 (en)
HU (1) HU223850B1 (en)
PL (1) PL186271B1 (en)
SK (1) SK285103B6 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1661603A1 (en) 2004-11-26 2006-05-31 TOTAL WALTHER GmbH, Feuerschutz und Sicherheit Device for delayed activation of an extinguisher valve
RU206745U1 (en) * 2021-05-26 2021-09-24 Борис Константинович Зуев SHUT-OFF DEVICE FOR POWDER FIRE EXTINGUISHER

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10211702B4 (en) * 2002-03-16 2015-01-29 Total Walther Gmbh, Feuerschutz Und Sicherheit Tripping device for a quick opening valve of a fire extinguishing system
KR100452049B1 (en) * 2002-06-14 2004-10-14 이기원 A spread-head actuator for automatic fire extinguisher
GB2466659A (en) * 2009-01-05 2010-07-07 Robert John Wightman A motor driven activator for a fire extinguisher

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3827630A1 (en) * 1988-08-16 1990-02-22 Hoechst Ag AREA OF A SUBSTRATE AND A COATING AND METHOD FOR THE PRODUCTION THEREOF

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3857446A (en) * 1974-05-22 1974-12-31 T Kenny Temperature-sensitive snap-action valve
DE3826300A1 (en) * 1988-08-03 1988-12-29 Rusch Hans Joachim ELECTROMECHANICAL DELAY DEVICE FOR ACTUATING A QUICK OPENING VALVE
DE3827002A1 (en) * 1988-08-09 1990-02-15 Willi Horcher Device for initiating a sprinkler
DE4005777C1 (en) * 1990-02-23 1991-05-16 Total Walther Feuerschutz Gmbh, 5000 Koeln, De

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3827630A1 (en) * 1988-08-16 1990-02-22 Hoechst Ag AREA OF A SUBSTRATE AND A COATING AND METHOD FOR THE PRODUCTION THEREOF

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1661603A1 (en) 2004-11-26 2006-05-31 TOTAL WALTHER GmbH, Feuerschutz und Sicherheit Device for delayed activation of an extinguisher valve
RU206745U1 (en) * 2021-05-26 2021-09-24 Борис Константинович Зуев SHUT-OFF DEVICE FOR POWDER FIRE EXTINGUISHER

Also Published As

Publication number Publication date
HU223850B1 (en) 2005-02-28
HUP9800492A3 (en) 2001-03-28
HUP9800492A2 (en) 1999-05-28
EP0864338A2 (en) 1998-09-16
HU9800492D0 (en) 1998-04-28
PL186271B1 (en) 2003-12-31
CZ291640B6 (en) 2003-04-16
PL325228A1 (en) 1998-09-14
ATE239527T1 (en) 2003-05-15
SK285103B6 (en) 2006-06-01
CZ70798A3 (en) 1999-02-17
DE19710377C2 (en) 2001-10-31
SK33898A3 (en) 1998-10-07
EP0864338A3 (en) 2000-10-18
DE19710377A1 (en) 1998-09-17
DE59808212D1 (en) 2003-06-12

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