EP0215331A1 - Ampoule pour un extincteur d'incendie ou autre système à déclenchement thermique - Google Patents

Ampoule pour un extincteur d'incendie ou autre système à déclenchement thermique Download PDF

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Publication number
EP0215331A1
EP0215331A1 EP86111609A EP86111609A EP0215331A1 EP 0215331 A1 EP0215331 A1 EP 0215331A1 EP 86111609 A EP86111609 A EP 86111609A EP 86111609 A EP86111609 A EP 86111609A EP 0215331 A1 EP0215331 A1 EP 0215331A1
Authority
EP
European Patent Office
Prior art keywords
shaft
glass
diameter
glass bulb
thickened
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.)
Granted
Application number
EP86111609A
Other languages
German (de)
English (en)
Other versions
EP0215331B1 (fr
Inventor
Eduard J Dipl.-Ing. Job
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
Priority to AT86111609T priority Critical patent/ATE47321T1/de
Publication of EP0215331A1 publication Critical patent/EP0215331A1/fr
Application granted granted Critical
Publication of EP0215331B1 publication Critical patent/EP0215331B1/fr
Expired 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
    • A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
    • A62C37/10—Releasing means, e.g. electrically released
    • A62C37/11—Releasing means, e.g. electrically released heat-sensitive
    • A62C37/14—Releasing means, e.g. electrically released heat-sensitive with frangible vessels

Definitions

  • the invention relates to a glass barrel according to the preamble of patent claim 1.
  • Such a glass barrel usually consists of a barrel or barrel-shaped shaft of various lengths, often with bends in the wall or extensions towards the center, which together with the expanding one Liquid, or explosive liquid for short, forms the actual thermal active part.
  • the shaft is delimited at both ends by flat, conical or curved, essentially thermally inactive ends, which form the supports for the abutment of the sprinkler.
  • One of the ends usually has a filler neck through which the explosive liquid is filled and which is then closed.
  • the glass barrel must be able to take a certain permanent load, depending on the type of valve construction or the triggering device, so that the sprinkler remains securely closed for many decades and is always kept ready.
  • Known glass vials that meet the corresponding approval requirements have a diameter between 8 and 12 mm with wall thicknesses of 1 to 1.5 mm and a total length of 20 to 30 mm. Such relatively thick glass vials lead to long tripping times because of their unfavorable conditions from the heat-absorbing surface to the heating volume.
  • a spherical glass barrel has the most unfavorable shape in this regard.
  • the invention is based on the object of creating a glass vial of the type mentioned at the outset which responds quickly to the new requirements without any significant loss of strength and durability, i.e. is destroyed in the event of fire and can be produced economically.
  • both ends of the glass barrel are thickened in relation to the shaft in such a way that all shear and tensile stresses which are unfavorable for glass and also the surface pressures occurring on the relatively large contact surfaces which are also made possible thereby remain below critical values.
  • the forces absorbed by the supports are transmitted in the base or ends thickened like a base, distributed and introduced axially as free as possible from all bending and shear stresses into the shaft designed as a tapered column. Since the strength of glass against compressive stress is about twenty times greater than that of tensile stress, and due to the described inventive design of the glass barrel in the area of the stem pure compressive stresses occur, the particularly thin and slim, specifically heavy-duty shape of the stem is only made possible.
  • transition sections are provided between the thickening or thickenings and the shaft, the introduction and transfer of the forces in this critical region takes place particularly advantageously, avoiding stress peaks.
  • the transition sections can be shaped differently and are intended to ensure a gradual and smooth transition of the forces into the thin shaft.
  • the thickening or the thickening can be approximately spherical in the area of the bearing surfaces in order to form a joint together with the abutment, so that bending stresses in the thin shaft, even with the occasional unavoidable lateral displacement of the two abutments be avoided.
  • the glass barrel B shown greatly enlarged in the drawing is suitable for use in a sprinkler S, the abutments of which are designated 12 and 13.
  • the glass vial B has a thin, thermally highly active shaft 1 with a sealed chamber 1.1, in which the explosive liquid 2 is located. A small bubble 2.1 is shown in the explosive liquid.
  • the two ends which are generally designated 3 and 4, are thickened like a bead compared to the thin shaft 1 and they absorb unfavorable shear and tensile stresses.
  • the end 3 shown in the drawing below carries a filler neck 7 which is closed at 8.
  • Transition sections 5 and 6 between the shaft 1 and the ends 3 and 4 are evenly grooved by outer transition lines 3.1 and 4.1, which ensures a favorable introduction of force into the thin shaft 1 without unfavorable stress peaks, so that pure compressive stresses occur in this area.
  • the chamber 1.1 has in the area of the upper end 4 a cylindrical section 1.2 with rounded corners and in the area of the lower end 4 an inner transition line 1.3.
  • the corresponding geometric design of the transition sections 5 and 6 between the thin shaft 1 and the ends 5 results in reinforcement sections 3.2 and 4.2, the shape and smooth contour of which can be clearly seen in the drawing.
  • the thin and slim glass barrel in the area of the contact surfaces 10, 11 has a relatively large diameter in relation to the shaft 1, larger areas are available in this area for the absorption of force, so that the surface pressures do not become too large.
  • the spherical sections of the supports 10, 11 together with the abutments 12, 13 form joints which avoid bending stresses on the shaft.
  • the distance between the contact surfaces 10, 11 was approximately 20 mm.
  • the length of the thin, thermally active shaft 1 was approximately 15 mm, its outer diameter was approximately 3 mm and the wall thickness was approximately 0.4 mm.
  • the outer diameter of the bead-like ends 3, 4 was approximately 4 mm.
  • the release times of the described glass vials were more than five times shorter compared to conventional glass vials with a diameter of 8 to 10 mm, with approximately the same strength.
  • Fig. 2 The embodiment shown in Fig. 2 is very similar to that of Fig. 1.
  • the transition sections between the ends 23 and 24 and the shaft 21 are much more elongated and the transition lines 23.1 and 24.1 and the reinforcements 23.2 and 24.2 run correspondingly differently.
  • the chamber 22 is also shaped accordingly when viewing Fig. 2 becomes clear.
  • the regions of the ends 23 and 24 which abut the abutments 12 and 13 of the sprinkler S or are in engagement therewith are denoted by 25 and 26, respectively.
  • the gradual increase in the diameter and the wall thickness in the region of the ends of the glass barrel ensures a correspondingly favorable introduction of force and distribution.
  • FIG. 3 differs essentially from that according to FIG. 1 in that only the end 33, which has the filler neck 7, has an enlarged diameter.
  • the formation of the end 33 with the transition line 33.1 corresponds to the end 3 with the transition line 3.1 of the embodiment according to FIG. 1.
  • the upper end 34 does not have an enlarged diameter.
  • the transition from the shaft 31 takes place through the transition line 34.1 shown without a larger diameter to form the seating area 35.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
EP86111609A 1985-09-09 1986-08-22 Ampoule pour un extincteur d'incendie ou autre système à déclenchement thermique Expired EP0215331B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86111609T ATE47321T1 (de) 1985-09-09 1986-08-22 Glaskolben fuer sprinkler fuer feuerloeschanlagen oder andere thermische ausloeseeinrichtungen.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3532042 1985-09-09
DE3532042 1985-09-09
DE3601203 1986-01-17
DE19863601203 DE3601203A1 (de) 1985-09-09 1986-01-17 Glasfaesschen fuer sprinkler fuer feuerloeschanlagen oder andere thermische ausloeseeinrichtungen

Publications (2)

Publication Number Publication Date
EP0215331A1 true EP0215331A1 (fr) 1987-03-25
EP0215331B1 EP0215331B1 (fr) 1989-10-18

Family

ID=25835778

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86111609A Expired EP0215331B1 (fr) 1985-09-09 1986-08-22 Ampoule pour un extincteur d'incendie ou autre système à déclenchement thermique

Country Status (3)

Country Link
EP (1) EP0215331B1 (fr)
AU (1) AU583649B2 (fr)
DE (2) DE3601203A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2205358A (en) * 1987-04-28 1988-12-07 David John Picton A safety valve
GB2206489A (en) * 1987-07-06 1989-01-11 Total Feuerschutz Gmbh A triggering element for a fire protection installation
DE3819749A1 (de) * 1988-06-10 1989-12-14 Verband Der Sachversicherer Ev Thermische ausloesevorrichtung fuer sprinkler fuer ortsfeste feuerloeschanlagen
DE3822696A1 (de) * 1988-03-12 1990-01-11 Total Feuerschutz Gmbh Ausloeseglied
GB2239395A (en) * 1989-12-07 1991-07-03 Total Feuerschutz Gmbh Triggering element
GB2239394A (en) * 1989-12-27 1991-07-03 Total Feuerschutz Gmbh A triggering element for a fire protection element
DE3844696C2 (en) * 1988-07-05 1992-01-23 Total Walther Feuerschutz Gmbh, 5000 Koeln, De Triggering element for sprinkler installations
US6502643B1 (en) 1997-03-07 2003-01-07 Central Sprinkler Company Low pressure, early suppression fast response sprinklers

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4739835A (en) * 1986-06-23 1988-04-26 Central Sprinkler Corp. Quick response glass bulb sprinkler
US4898246A (en) * 1987-07-06 1990-02-06 Total Walther Feuerschutz Gmbh Quick release valve for sprinkler head
DE10219079B4 (de) * 2002-04-29 2004-06-03 Minimax Gmbh Verfahren zum Herstellen von Glasampullen
DE202009007987U1 (de) 2009-06-05 2010-10-28 Job Lizenz Gmbh & Co. Kg Thermisches Auslöseelement für Sprinkler, Ventile o.dgl.
DE202010013607U1 (de) 2010-09-27 2011-12-28 Job Lizenz Gmbh & Co. Kg Thermisches Auslöseelement für ein thermisch gesteuertes Schaltelement
DE202011050661U1 (de) 2011-07-07 2011-09-09 Job Lizenz Gmbh & Co. Kg Thermisches Auslöseelement für Sprinkler, Ventile oder dergleichen
DE202013102312U1 (de) 2013-05-28 2014-08-29 Job Lizenz Gmbh & Co. Kg Thermisches Auslöseelement
DE202015103950U1 (de) 2015-07-28 2016-11-02 Job Lizenz Gmbh & Co. Kg Thermisches Auslöseelement
DE202017103682U1 (de) 2017-06-21 2018-09-24 Job Lizenz Gmbh & Co. Kg Thermisches Auslöseelement

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB409569A (en) * 1933-09-12 1934-05-03 Willis Kennedy Hodgman Jr Improvements in or relating to frangible struts adapted to be burst on expansion of a fluid contained therein, such as are used in fireextinguishing apparatus
GB2120934A (en) * 1982-05-28 1983-12-14 Walther & Cie Ag Release member for a fire sprinkler installation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB409569A (en) * 1933-09-12 1934-05-03 Willis Kennedy Hodgman Jr Improvements in or relating to frangible struts adapted to be burst on expansion of a fluid contained therein, such as are used in fireextinguishing apparatus
GB2120934A (en) * 1982-05-28 1983-12-14 Walther & Cie Ag Release member for a fire sprinkler installation

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2205358B (en) * 1987-04-28 1991-06-05 David John Picton A safety valve
GB2205358A (en) * 1987-04-28 1988-12-07 David John Picton A safety valve
GB2206489B (en) * 1987-07-06 1991-07-24 Total Feuerschutz Gmbh A triggering element
DE3808384C2 (de) * 1987-07-06 1990-03-22 Total Feuerschutz Gmbh Ausl¦seglied zur thermischen und/oder elektrischen Ausl¦sung einer Brandschutzanlage
DE3808384A1 (de) * 1987-07-06 1989-01-26 Total Feuerschutz Gmbh Ausloeseglied fuer sprinkler
GB2206489A (en) * 1987-07-06 1989-01-11 Total Feuerschutz Gmbh A triggering element for a fire protection installation
DE3822696A1 (de) * 1988-03-12 1990-01-11 Total Feuerschutz Gmbh Ausloeseglied
DE3819749A1 (de) * 1988-06-10 1989-12-14 Verband Der Sachversicherer Ev Thermische ausloesevorrichtung fuer sprinkler fuer ortsfeste feuerloeschanlagen
DE3844696C2 (en) * 1988-07-05 1992-01-23 Total Walther Feuerschutz Gmbh, 5000 Koeln, De Triggering element for sprinkler installations
GB2239395A (en) * 1989-12-07 1991-07-03 Total Feuerschutz Gmbh Triggering element
GB2239395B (en) * 1989-12-07 1994-01-05 Total Feuerschutz Gmbh Triggering element
GB2239394A (en) * 1989-12-27 1991-07-03 Total Feuerschutz Gmbh A triggering element for a fire protection element
GB2239394B (en) * 1989-12-27 1994-04-20 Total Feuerschutz Gmbh A triggering element for a fire protection element
US6502643B1 (en) 1997-03-07 2003-01-07 Central Sprinkler Company Low pressure, early suppression fast response sprinklers
US6868917B2 (en) 1997-03-07 2005-03-22 Central Sprinkler Company Low pressure, early suppression fast response sprinklers

Also Published As

Publication number Publication date
EP0215331B1 (fr) 1989-10-18
AU583649B2 (en) 1989-05-04
DE3601203A1 (de) 1987-03-19
AU6163386A (en) 1987-03-12
DE3666353D1 (en) 1989-11-23

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