EP2550996B1 - Thermotrennglied mit Schmelzlot - Google Patents

Thermotrennglied mit Schmelzlot Download PDF

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Publication number
EP2550996B1
EP2550996B1 EP12005310.3A EP12005310A EP2550996B1 EP 2550996 B1 EP2550996 B1 EP 2550996B1 EP 12005310 A EP12005310 A EP 12005310A EP 2550996 B1 EP2550996 B1 EP 2550996B1
Authority
EP
European Patent Office
Prior art keywords
fusible link
thermal separation
separation member
base members
member according
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.)
Not-in-force
Application number
EP12005310.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2550996A2 (de
EP2550996A3 (de
Inventor
Chrysafis Zlatintsis
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.)
Minimax GmbH and Co KG
Original Assignee
Minimax GmbH and Co KG
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 Minimax GmbH and Co KG filed Critical Minimax GmbH and Co KG
Priority to PL12005310T priority Critical patent/PL2550996T3/pl
Publication of EP2550996A2 publication Critical patent/EP2550996A2/de
Publication of EP2550996A3 publication Critical patent/EP2550996A3/de
Application granted granted Critical
Publication of EP2550996B1 publication Critical patent/EP2550996B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A62C37/12—Releasing means, e.g. electrically released heat-sensitive with fusible links
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A62C2/24—Operating or controlling mechanisms
    • A62C2/241—Operating or controlling mechanisms having mechanical actuators and heat sensitive parts
    • A62C2/242—Operating or controlling mechanisms having mechanical actuators and heat sensitive parts with fusible links

Definitions

  • the invention relates to a thermal isolator with fusible link according to the preamble of the first claim.
  • the invention is applicable everywhere, where a thermal isolator is arranged with fusible link and triggers when exceeding a certain temperature.
  • the invention is suitable for use in sanitary areas and in areas with an aggressive atmosphere. This can for example be the case in kitchens, bathrooms, gastronomic areas.
  • Thermal isolators with a fusible link are known. They are usually stressed to tensile stress. To do this, you can attach the thermal fusion solder between two tension cables and exert a certain tensile force on the thermal isolator.
  • DE 33 44 745 A1 describes a device for opening venting devices with a thermal isolator with fusible link, which is particularly suitable for use in fire-fighting equipment.
  • the thermal isolator is stressed to tensile stress and triggered in a predetermined temperature range. It consists of the multi-part body, the fusible link and the mounting options on the body, the fusible link melts when exceeding a predetermined temperature and the main body are separated by pulling force.
  • the thermal isolator is not held together by means of retaining ring, wherein the fusible link is not made of an amorphous material.
  • DE 41 31 859 A1 describes a fire protection valve with closing spring for automatic shut-off of lines, the shut-off consists of a metallic ball whose diameter with a diameter of a machined into the housing of the valve bore when closing the valve forms an easy fit and a fusible link in the opening of a cup is and when heated in a fire, the fusible link releases a barrier.
  • US 3,663,720 describes a fusing solder on a sprinkler, which melts when a certain temperature is exceeded, so that the sprinkler can be triggered.
  • DE 1 108 569 A describes a fusible link for the triggering device of fire extinguishing systems, which consist of two parts connected together by a fusible link and is turned on by means arranged at a free end of the parts eyelets in a standing under tension triggering system.
  • the interconnected parts are parts formed in a manner in a piston-cylinder connection with a fusible link between them which holds this piston-cylinder connection together until a certain temperature is exceeded and the solder melts and triggers the device.
  • DE 35 38 374 C2 describes a trigger device for the automatic closing of two-part folding shutters with a lever mechanism in which a fusible link and a spring mechanism are arranged for triggering.
  • DD 242 462 A1 describes a device for driving and controlling actuators, as used in fire dampers. When a limit temperature is exceeded, a mechanism is triggered by melting a molten solder, the fire dampers closes. Information on the material of the fusible link can not be found in the document.
  • the document US 2796494 A discloses a fusible link having two overlapping parts joined together by a fusing joint and subjected to tensile stress.
  • the fusible link has means between these parts which press off the two overlapping parts when melting.
  • the two overlapping parts form a receiving space, which is designed to receive a body / key.
  • the two overlapping parts are made of metal and connected together by a fusing solder.
  • US 911 162 A discloses another fusible link isolator according to the preamble of claim 1.
  • the known fins are usually soldered to bodies consisting of copper alloys. Copper alloys form by oxidation a so-called patina, which is known as verdigris. Due to the toxic properties of verdigris, these thermal isolators are not suitable for use in hygiene or gastronomy.
  • thermoterrelling element with fusible solder which is suitable for use in fire-extinguishing technology and is subjected to tensile stress, this triggers in a predetermined temperature range, without developing toxic properties by the formation of verdigris.
  • Fused solder is understood as meaning all materials which, after a certain temperature, change their state of aggregation as a solid, e.g. become liquid.
  • the separating member according to the invention consists of at least two main bodies connected by a retaining ring, which have at their connection point a cavity in which a fusible link is arranged.
  • This fusible link is designed to fill the cavity at the junction.
  • Cavity and fusible solder can be advantageously formed a rod or a spherical shape. Conceivable, however, are all other suitable shapes such as a cube shape or a cylindrical shape.
  • the base body has at least one rib. Several ribs are conceivable. At the ribs it can be cylindrical ribs.
  • each of the interconnected main body have a flat surface to each other.
  • the retaining ring may be a metal ring, which connects the two bodies together.
  • the retaining ring forms with the basic bodies a clearance fit, so that the tensile forces act on the fusible link in the cavity and the bodies are not pressed together by the retaining ring.
  • the base body consists of a material not connected to the fusible link selected from stainless steel, ceramics and metals with chrome-plated or nickel-plated surfaces.
  • the solution according to the invention has the advantage that, in an aggressive atmosphere and in hygiene areas, no substances with toxic properties are formed.
  • the figure shows the thermal isolator according to the invention in a schematic representation in partial section, which consists of two ribbed bodies 1, which have the same geometry.
  • a cavity 2 which is formed by the basic bodies, a geometrically determined amorphous piece, the fusible link 3, is inserted, which melts at a predetermined temperature and can not be soldered to the base body 1.
  • the melting solder 3 becomes liquid.
  • Both base body 1 are held together by the retaining ring 4, which forms a clearance fit with the base body 1.
  • a displacement of the main body against each other is prevented by the intervening fusible link 3.
  • the bodies are provided at both ends with eyelets 5, where tensile stresses on the fusible link 3 are applied via cables.
  • ribs 6 are arranged on the main body 1 for heat absorption.
  • the melting solder 3 melts and the base bodies 1 are separated from one another by the tensile stress, by pulling them through the retaining ring 4.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Safety Valves (AREA)
  • Fuses (AREA)
EP12005310.3A 2011-07-26 2012-07-20 Thermotrennglied mit Schmelzlot Not-in-force EP2550996B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12005310T PL2550996T3 (pl) 2011-07-26 2012-07-20 Termiczny człon separujący z łącznikiem topliwym

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011079789A DE102011079789B3 (de) 2011-07-26 2011-07-26 Thermotrennglied mit Schmelzlot

Publications (3)

Publication Number Publication Date
EP2550996A2 EP2550996A2 (de) 2013-01-30
EP2550996A3 EP2550996A3 (de) 2015-01-07
EP2550996B1 true EP2550996B1 (de) 2017-10-11

Family

ID=46509780

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12005310.3A Not-in-force EP2550996B1 (de) 2011-07-26 2012-07-20 Thermotrennglied mit Schmelzlot

Country Status (5)

Country Link
EP (1) EP2550996B1 (pl)
DE (1) DE102011079789B3 (pl)
ES (1) ES2650140T3 (pl)
PL (1) PL2550996T3 (pl)
PT (1) PT2550996T (pl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020129190A1 (de) 2020-11-05 2022-05-05 Schako Kg Vorrichtung aus wenigstens zwei zumindest teilweise miteinander verbundenen Teilen

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US911162A (en) * 1908-09-22 1909-02-02 George I Rockwood Fusible link.
US4652848A (en) * 1986-06-06 1987-03-24 Northern Telecom Limited Fusible link
US4738314A (en) * 1986-11-05 1988-04-19 Ici Americas Inc. Ultra fast fusible link assembly with mechanical advantage
US6404322B1 (en) * 1999-02-12 2002-06-11 Elsie Manufacturing Company, Inc. Fusible link
US20090087340A1 (en) * 2003-08-04 2009-04-02 Thomas Hartmann Copper-based brazing alloy and brazing process
US20100294521A1 (en) * 2009-05-22 2010-11-25 The Viking Corporation Fire Protection Sprinkler with Highly Sensitive Trigger

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1092562A (en) * 1912-11-21 1914-04-07 Silas H Pomeroy Fusible link.
DE1108569B (de) * 1955-09-02 1961-06-08 Lindley Ltd H Schmelzglied fuer die Ausloesevorrichtung von Feuerloeschanlagen
US2796494A (en) * 1956-03-05 1957-06-18 Bar Brook Mfg Co Inc Fire fuse link
US3663720A (en) 1965-09-10 1972-05-16 Thompson Chemicals Inc Article of manufacture having high temperature resistant properties and method of making the same
US3348617A (en) * 1965-09-13 1967-10-24 Fyr Fyter Co Fusible link
US3863720A (en) * 1974-03-13 1975-02-04 Richard J Young Electrical resistance fusible link for a sprinkler head
DE3344745A1 (de) * 1983-12-10 1985-06-20 Heinz Essmann Gmbh & Co Kg, 4902 Bad Salzuflen Vorrichtung zum oeffnen von entlueftungseinrichtungen
DD242462A1 (de) * 1985-10-25 1987-01-28 Berlin Lufttech Anlagen Vorrichtung zum antrieb und zur steuerung von stellgliedern
DE3538374C2 (de) * 1985-10-29 1996-08-29 Seifert Hans Erich Auslösevorrichtung für das selbsttätige Schließen von zweiteiligen Klappläden
DE4131859A1 (de) * 1991-09-25 1993-04-01 Mertik Regelungstechnik Gmbh Brandschutzventil mit schliessfeder zum automatischen absperren von leitungen
DE9409609U1 (de) * 1994-06-18 1994-09-08 Meltem Lüftungsgeräte GmbH, 82239 Alling Brandschutzvorrichtung zum Verschließen einer Lüftungsöffnung mit wartungsfreundlichem Schließmechanismus
US5686878A (en) * 1995-04-03 1997-11-11 Gueli; Carmen Temperature sensitive fusible link assembly having cooperating projections and slots
FR2825766B1 (fr) * 2001-06-08 2003-10-10 Lacroix Soc E Mecanisme a liberation controlee par un effet thermique
DE20209353U1 (de) * 2002-06-15 2002-11-21 Minimax Gmbh, 23843 Bad Oldesloe Stationäre Feuerlöschanlage und Auslösemechanismus
ITBO20050535A1 (it) * 2005-08-10 2007-02-11 Andrea Amadesi Ugello per dispositivi estinguenti e simili

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US911162A (en) * 1908-09-22 1909-02-02 George I Rockwood Fusible link.
US4652848A (en) * 1986-06-06 1987-03-24 Northern Telecom Limited Fusible link
US4738314A (en) * 1986-11-05 1988-04-19 Ici Americas Inc. Ultra fast fusible link assembly with mechanical advantage
US6404322B1 (en) * 1999-02-12 2002-06-11 Elsie Manufacturing Company, Inc. Fusible link
US20090087340A1 (en) * 2003-08-04 2009-04-02 Thomas Hartmann Copper-based brazing alloy and brazing process
US20100294521A1 (en) * 2009-05-22 2010-11-25 The Viking Corporation Fire Protection Sprinkler with Highly Sensitive Trigger

Also Published As

Publication number Publication date
ES2650140T3 (es) 2018-01-17
EP2550996A2 (de) 2013-01-30
PL2550996T3 (pl) 2018-03-30
DE102011079789B3 (de) 2012-07-12
EP2550996A3 (de) 2015-01-07
PT2550996T (pt) 2017-12-06

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