EP2360310A1 - Tumble drier with fire extinguisher - Google Patents

Tumble drier with fire extinguisher Download PDF

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Publication number
EP2360310A1
EP2360310A1 EP10401024A EP10401024A EP2360310A1 EP 2360310 A1 EP2360310 A1 EP 2360310A1 EP 10401024 A EP10401024 A EP 10401024A EP 10401024 A EP10401024 A EP 10401024A EP 2360310 A1 EP2360310 A1 EP 2360310A1
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EP
European Patent Office
Prior art keywords
fire
extinguishing agent
rib
drum
extinguishing
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
EP10401024A
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German (de)
French (fr)
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EP2360310B1 (en
Inventor
Eduard Sailer
Dietmar SCHÖNHERR
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Miele und Cie KG
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Miele und Cie 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 Miele und Cie KG filed Critical Miele und Cie KG
Priority to ES10401024T priority Critical patent/ES2425086T3/en
Priority to SI201030291T priority patent/SI2360310T1/en
Priority to EP10401024.4A priority patent/EP2360310B1/en
Priority to PL10401024T priority patent/PL2360310T3/en
Publication of EP2360310A1 publication Critical patent/EP2360310A1/en
Application granted granted Critical
Publication of EP2360310B1 publication Critical patent/EP2360310B1/en
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Anticipated expiration legal-status Critical

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/26—Condition of the drying air, e.g. air humidity or temperature

Definitions

  • the invention relates to a tumble dryer with a rotatably mounted in a housing drum, a closable with a door feed opening, and a fan and a heater for generating a process air stream, which flows in the locked state of the door through the drum, and wherein the clothes dryer with a fire extinguishing device equipped, which has designed as temperature sensors fire sensors for monitoring the process air flow, and a monitoring control for activating a device by means of a stored extinguishing agent in the drum space can be fed.
  • a laundry drying device known which is equipped with a fire extinguisher.
  • the fire-extinguishing device has at least one fire sensor for detecting a fire prevailing or arising in the laundry drying device, in particular in the laundry drum, wherein the fire sensor cooperates with an extinguishing medium supply device for introducing an extinguishing medium into the laundry drying device.
  • a fire extinguishing system is known which can be used in particular in electrically operated apparatus to extinguish a local fire in the apparatus. This fire extinguishing system is preferably used in televisions, which also reacts to a temperature or smoke development.
  • Another fire extinguishing or protection device for electrical equipment is from the DE 38 09 754 A1 known.
  • This is a device for protection against fire or fire of electrical equipment, such as washing machines, dryers, dishwashers, refrigerators, refrigerated counters, etc.
  • the device contains a container with a fire extinguishing substance, which opens automatically to directly from the container or via distribution channels pour the fire extinguishing substance into the flames or spread.
  • the invention thus has the object to provide a fire extinguishing device for a tumble dryer, which structurally much better fit to the tumble dryer from its construction, and wherein the fire-extinguishing device should provide a direct fire fighting in the drum room.
  • the fire extinguishing device to be provided as a retrofittable device for a tumble dryer.
  • the fire extinguishing device according to the invention is a part of the rotatable drum, which can be subsequently attached to the inner shell wall. This ensures that, when overheating occurs in the drum room, an immediate effect of the extinguishing agent is given to the burning objects.
  • the fire-extinguishing device is arranged as a separately formed compact component on the inner jacket wall of the drum.
  • the component in this case comprises at least one, the laundry repellent, arranged in the drum rib.
  • the rib forms the housing for the fire-extinguishing device.
  • the rib in cross section has a triangular shape, wherein the base is fixed to the inner shell wall. Due to this design, it is possible that, for example, already delivered dryers the fire extinguishing device according to the invention can be retrofitted, in which simply the ribs are removed and here the formed with the integrated fire extinguisher ribs are used.
  • fire sensors and nozzles for spraying the extinguishing agent are arranged in the intersection of the rib tendons.
  • a propellant vessel for discharging the extinguishing agent is arranged in the rib next to an extinguishing agent tank.
  • the rib is thus designed in their layout so that in addition to the extinguishing agent and a propellant tank is provided in the fin housing.
  • the extinguishing agent tank is in this case connected directly to the propellant vessel.
  • the extinguishing agent tank occupies about two thirds and the propellant container about one third of the housing space of the rib.
  • At least one nozzle arranged on the extinguishing agent tank releases the spray outlet automatically as a result of exceeding the temperature limit, at least one fire sensor activating the blowing agent.
  • this with a Melting closure is provided so that the closure melts when the temperature increases, and thus the spray outlet is released.
  • the fire sensor is also activated due to the temperature so that propellant pushes out the extinguishing agent through the nozzle.
  • the fire sensors for activating the propellant are arranged on the lateral flanks of the fin housing.
  • the fire extinguisher accommodated in the housing designed as a rib is designed as a retrofit kit.
  • FIG. 1 shows in side view a clothes dryer 1 with a rotatably mounted in a housing 2 drum 3.
  • the dryer 1 here comprises a door 4, which closes a feed opening 5.
  • a fan 6 In the housing 2 of the tumble dryer 1 is a fan 6 and a heating device 7 for generating a process air flow, which flows in the locked state of the door 4 through the drum 3.
  • the tumble dryer 1 is equipped with a fire-extinguishing device 8, which has fire sensors designed as temperature sensors 9 for monitoring the process air flow, for activating a device by means of which a stored extinguishing agent 10 can be fed into the drum space.
  • a fire-extinguishing device 8 which has fire sensors designed as temperature sensors 9 for monitoring the process air flow, for activating a device by means of which a stored extinguishing agent 10 can be fed into the drum space.
  • the fire extinguisher 8 is formed as a separate compact member 11 as shown in FIGS Figures 2 . 3 and 4 is shown.
  • the component 11 is arranged on the inner jacket wall 12 of the drum 3. This is especially true in the FIG. 1 and 2 recognizable, with the indicated representation FIG. 1 shows the spraying of the extinguishing agent 10 in the drum space.
  • the component 11 is formed as at least one the laundry repellent arranged in the drum 3 rib 13, as in particular in the FIG. 2 can be seen.
  • the rib 13 in this case forms the housing for the fire-extinguishing device 8, as shown in the FIG. 3 is shown in the sectional side view.
  • the rib 13 in this case has a triangular shape substantially in cross-section, with its base 14 being fixed to the inner casing wall 12.
  • FIG. 2 This is especially true of the FIG. 2 to recognize where three ribs 13 distributed to the inner jacket wall 12 are arranged. In the intersection region of the rib tendons 15 and 16, fire sensors 9 and nozzles 17 for spraying the extinguishing agent 10 are arranged.
  • the fire sensors 9 are arranged on the lateral flanks 21 of the rib 13 designed as a fire extinguisher, so that even smaller sources of fire can already be reliably detected in their formation.
  • a propellant vessel 19 for discharging the extinguishing agent 10 is arranged in the rib 13 in addition to an extinguishing agent tank 18.
  • the extinguishing agent tank 18 is connected directly to the propellant vessel 19.
  • the extinguishing agent tank 18 occupies about two thirds and the propellant vessel 19 about a third of the housing space of the rib 13 a.
  • at least one nozzle 17 arranged on the extinguishing agent tank 18 automatically releases the spray outlet 20 as a result of exceeding the temperature limit, at least one fire sensor 9 activating the blowing agent from the blowing agent vessel 19.
  • the nozzle 17 by increasing the temperature, by melting, or by the fact that the activated propellant blows off a closure on the nozzle 17, the extinguishing agent 10 penetrates into the drum cavity and thus directly on the source of fire acts.
  • the nozzle 17 opens automatically or the fire sensor 9 starts here, so that the extinguishing agent 10 can escape unhindered.
  • the arrangement of the fire sensors 9, shown in the FIG. 5 may be arranged to activate the propellant on the lateral flanks of the fin housing.

Abstract

The laundry dryer (1) has a drum (3) supported in a housing (2), a filling opening (5) lockable with a door (4) and a blower (6) and a heating unit (7) for production of processed air stream. The fire-extinguishing equipment (8) is arranged as a separately formed a compact component (11) at the inside coat wall (12) of the drum. An independent claim is also included for a fire-extinguishing equipment.

Description

Die Erfindung betrifft einen Wäschetrockner mit einer in einem Gehäuse drehbar gelagerten Trommel, einer mit einer Tür verschließbaren Beschickungsöffnung, sowie einem Gebläse und einer Heizeinrichtung zur Erzeugung eines Prozessluftstromes, der im verriegelten Zustand der Tür durch die Trommel strömt, und wobei der Wäschetrockner mit einer Feuerlöscheinrichtung ausgestattet ist, welche über als Temperatursensoren ausgebildete Brandsensoren zur Überwachung des Prozessluftstromes verfügt, sowie einer Überwachungssteuerung zur Aktivierung einer Einrichtung mittels der ein bevorratetes Löschmittel in den Trommelraum zuführbar ist.The invention relates to a tumble dryer with a rotatably mounted in a housing drum, a closable with a door feed opening, and a fan and a heater for generating a process air stream, which flows in the locked state of the door through the drum, and wherein the clothes dryer with a fire extinguishing device equipped, which has designed as temperature sensors fire sensors for monitoring the process air flow, and a monitoring control for activating a device by means of a stored extinguishing agent in the drum space can be fed.

Aus dem Stand der Technik ist gemäß der DE 10 2007 061 521 A1 ein Wäschetrocknungsgerät bekannt, welches mit einer Feuerlöscheinrichtung bestückt ist. Dabei weist die Feuerlöscheinrichtung mindestens einen Brandsensor zum Erfassen eines in dem Wäschetrocknungsgerät, und hier insbesondere in der Wäschetrommel, herrschenden oder entstehenden Brandes auf, wobei der Brandsensor mit einer Löschmediumszuführeinrichtung zum Einbringen eines Löschmediums in das Wäschetrocknungsgerät zusammenwirkt. Weiter ist aus der GB 2 149 658 A ein Feuerlöschsystem bekannt, welches insbesondere in elektrisch betriebenen Apparaturen einsetzbar ist, um in der Apparatur einen lokalen Brandherd zu löschen. Dieses Feuerlöschsystem wird vorzugsweise bei Fernsehern verwendet, wobei dieses ebenfalls bei einer Temperatur- oder Qualmentwicklung reagiert. Eine andere Feuerlösch- oder Schutzvorrichtung für elektrische Geräte ist aus der DE 38 09 754 A1 bekannt. Hierbei handelt es sich um eine Vorrichtung zum Schutz gegen Feuer bzw. Brand von elektrischen Geräten, wie Waschmaschinen, Trockner, Geschirrspülmaschinen, Kühlschränke, Kühltheken u. s. w.. Dabei enthält die Vorrichtung einen Behälter mit einem Feuerlöschstoff, der sich selbsttätig öffnet, um unmittelbar aus dem Behälter oder über Verteilerkanäle den Feuerlöschstoff in die Flammen auszugießen bzw. zu verbreiten.From the prior art is according to the DE 10 2007 061 521 A1 a laundry drying device known which is equipped with a fire extinguisher. In this case, the fire-extinguishing device has at least one fire sensor for detecting a fire prevailing or arising in the laundry drying device, in particular in the laundry drum, wherein the fire sensor cooperates with an extinguishing medium supply device for introducing an extinguishing medium into the laundry drying device. Next is from the GB 2 149 658 A a fire extinguishing system is known which can be used in particular in electrically operated apparatus to extinguish a local fire in the apparatus. This fire extinguishing system is preferably used in televisions, which also reacts to a temperature or smoke development. Another fire extinguishing or protection device for electrical equipment is from the DE 38 09 754 A1 known. This is a device for protection against fire or fire of electrical equipment, such as washing machines, dryers, dishwashers, refrigerators, refrigerated counters, etc. In this case, the device contains a container with a fire extinguishing substance, which opens automatically to directly from the container or via distribution channels pour the fire extinguishing substance into the flames or spread.

Als nachteilig bei diesen nach dem Stand der Technik bekannten Feuerlöscheinrichtungen wird es angesehen, dass diese einerseits mit einem aufwendigen Steuerungs- und Überwachungssystem zusammenarbeiten, um hier effektiv im Trommelbereich einen Brand oder eine Überhitzung zu unterbinden. Somit bauen diese Einrichtungen sehr aufwendig und machen es daher erforderlich, dass in dem Maschinengehäuse entsprechende Teile in der Montage vorzuhalten sind, wobei entsprechend die Sensoren in den Zu- und Abluftkanälen des Prozessluftstromes vorgehalten werden müssen, um hier eine effiziente Feuerlöscheinrichtung bereitzustellen.A disadvantage of these known in the prior art fire extinguishing equipment, it is considered that these work together on the one hand with a complex control and monitoring system to effectively prevent a fire or overheating in the drum area here. Thus, these devices build very expensive and therefore make it necessary that in the machine housing appropriate parts are to be kept in the assembly, according to the sensors in the supply and exhaust air ducts of the process air flow must be kept in order to provide an efficient fire fighting equipment here.

Der Erfindung stellt sich somit die Aufgabe, eine Feuerlöscheinrichtung für einen Wäschetrockner bereitzustellen, die von ihrem Aufbau her sich konstruktiv wesentlich besser am Wäschetrockner einfügen lässt, und wobei die Feuerlöscheinrichtung eine unmittelbare Brandbekämpfung im Trommelraum bereitstellen soll. Zudem soll die Feuerlöscheinrichtung als nachrüstbare Einrichtung für einen Wäschetrockner bereit gestellt werden.The invention thus has the object to provide a fire extinguishing device for a tumble dryer, which structurally much better fit to the tumble dryer from its construction, and wherein the fire-extinguishing device should provide a direct fire fighting in the drum room. In addition, the fire extinguishing device to be provided as a retrofittable device for a tumble dryer.

Erfindungsgemäß wird diese Aufgabe durch einen Wäschetrockner mit den Merkmalen des Patentanspruchs 1 sowie einer Feuerlöscheinrichtung mit den Merkmalen des Anspruchs 11 gelöst. Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den jeweils nachfolgenden abhängigen Ansprüchen.According to the invention this object is achieved by a tumble dryer with the features of claim 1 and a fire extinguishing device with the features of claim 11. Advantageous embodiments and modifications of the invention will become apparent from the respective following dependent claims.

Die mit der Erfindung erreichten Vorteile bestehen darin, dass die erfindungsgemäße Feuerlöscheinrichtung ein Teil der drehbaren Trommel ist, wobei diese nachträglich an der Innenmantelwand befestigt werden kann. Somit wird gewährleistet, dass, wenn im Trommelraum eine Überhitzung stattfindet, eine unmittelbare Einwirkung des Löschmittels auf die brennenden Gegenstände gegeben ist.The advantages achieved by the invention are that the fire extinguishing device according to the invention is a part of the rotatable drum, which can be subsequently attached to the inner shell wall. This ensures that, when overheating occurs in the drum room, an immediate effect of the extinguishing agent is given to the burning objects.

Hierzu ist die Feuerlöscheinrichtung als ein separat ausgebildetes kompaktes Bauteil an der inneren Mantelwand der Trommel angeordnet. Das Bauteil umfasst hierbei wenigstens eine, die Wäsche abweisende, in der Trommel angeordnete Rippe. Die Rippe als solches bildet hierbei das Gehäuse für die Feuerlöscheinrichtung. In vorteilhafter Weise weist die Rippe im Querschnitt eine Dreiecksform auf, wobei deren Basis an der inneren Mantelwand festgelegt ist. Aufgrund dieser Ausbildung ist es möglich, dass beispielsweise bei bereits ausgelieferten Wäschetrocknern die erfindungsgemäße Feuerlöscheinrichtung nachgerüstet werden kann, in dem einfach die Rippen ausgebaut werden und hier die mit der integrierten Feuerlöscheinrichtung ausgebildeten Rippen eingesetzt werden. In zweckmäßiger Weise sind im Schnittbereich der Rippensehnen Brandsensoren sowie Düsen zum Versprühen des Löschmittels angeordnet. In der Rippe ist neben einem Löschmitteltank ein Treibmittelgefäß zum Ausbringen des Löschmittels angeordnet. Die Rippe ist somit in ihrer Raumaufteilung derart gestaltet, dass neben dem Löschmittel- auch ein Treibmitteltank in dem Rippengehäuse vorgesehen ist. Der Löschmitteltank ist hierbei unmittelbar mit dem Treibmittelgefäß verbunden. In vorteilhafter Ausgestaltung nimmt hierbei der Löschmitteltank etwa zwei Drittel und das Treibmittelgefäß etwa ein Drittel des Gehäuseraums der Rippe ein.For this purpose, the fire-extinguishing device is arranged as a separately formed compact component on the inner jacket wall of the drum. The component in this case comprises at least one, the laundry repellent, arranged in the drum rib. As such, the rib forms the housing for the fire-extinguishing device. Advantageously, the rib in cross section has a triangular shape, wherein the base is fixed to the inner shell wall. Due to this design, it is possible that, for example, already delivered dryers the fire extinguishing device according to the invention can be retrofitted, in which simply the ribs are removed and here the formed with the integrated fire extinguisher ribs are used. Conveniently, fire sensors and nozzles for spraying the extinguishing agent are arranged in the intersection of the rib tendons. In the rib next to an extinguishing agent tank, a propellant vessel for discharging the extinguishing agent is arranged. The rib is thus designed in their layout so that in addition to the extinguishing agent and a propellant tank is provided in the fin housing. The extinguishing agent tank is in this case connected directly to the propellant vessel. In an advantageous embodiment, the extinguishing agent tank occupies about two thirds and the propellant container about one third of the housing space of the rib.

Nach einer besonders vorteilhaften Ausgestaltung der Erfindung gibt wenigstens eine am Löschmitteltank angeordnete Düse infolge einer Temperaturgrenzwertüberschreitung den Sprühaustritt selbsttätig frei, wobei wenigstens ein Brandsensor das Treibmittel aktiviert. Bei der erfindungsgemäßen Ausbildung der Düse wird vorgesehen, dass diese mit einem Schmelzverschluss versehen ist, so dass bei Temperaturerhöhung der Verschluss schmilzt, und somit der Sprühaustritt frei wird. Der Brandsensor wird aufgrund der Temperatur ebenfalls aktiviert, so dass Treibmittel das Löschmittel durch die Düse herausdrückt. Eine andere Möglichkeit wäre, wenn beispielsweise die Düse mit einem Klippverschluss versehen ist, der gegen den Druck des Treibmittels die Freigabe für die Düse bewirkt. In Weiterbildung der Erfindung sind die Brandsensoren zur Aktivierung für das Treibmittel auf den seitlichen Flanken des Rippengehäuses angeordnet. Wie bereits schon erwähnt, ist die in dem als Rippe ausgebildeten Gehäuse untergebrachte Feuerlöscheinrichtung als Nachrüstsatz ausgebildet.According to a particularly advantageous embodiment of the invention, at least one nozzle arranged on the extinguishing agent tank releases the spray outlet automatically as a result of exceeding the temperature limit, at least one fire sensor activating the blowing agent. In the inventive design of the nozzle is provided that this with a Melting closure is provided so that the closure melts when the temperature increases, and thus the spray outlet is released. The fire sensor is also activated due to the temperature so that propellant pushes out the extinguishing agent through the nozzle. Another possibility would be, for example, if the nozzle is provided with a clip closure, which causes the release of the nozzle against the pressure of the propellant. In a further development of the invention, the fire sensors for activating the propellant are arranged on the lateral flanks of the fin housing. As already mentioned, the fire extinguisher accommodated in the housing designed as a rib is designed as a retrofit kit.

Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen rein schematisch dargestellt und wird nachfolgend näher beschrieben. Es zeigt:

Figur 1
eine geschnittene Seitenansicht eines Wäschetrockners;
Figur 2
eine perspektivische Darstellung einer Trommel in Einzelansicht;
Figur 3
eine geschnittene Seitenansicht einer Rippe;
Figur 4
eine perspektivische Ansicht einer Rippe in einer ersten Ausführungsform; und
Figur 5
eine weitere Darstellung einer Rippe in einer zweiten Ausführungsform.
An embodiment of the invention is shown purely schematically in the drawings and will be described in more detail below. It shows:
FIG. 1
a sectional side view of a tumble dryer;
FIG. 2
a perspective view of a drum in a single view;
FIG. 3
a sectional side view of a rib;
FIG. 4
a perspective view of a rib in a first embodiment; and
FIG. 5
a further illustration of a rib in a second embodiment.

Die Figur 1 zeigt in der Seitenansicht einen Wäschetrockner 1 mit einer in einem Gehäuse 2 drehbar gelagerten Trommel 3. Der Wäschetrockner 1 umfasst hierbei eine Tür 4, welche eine Beschickungsöffnung 5 verschließt. In dem Gehäuse 2 des Wäschetrockners 1 befindet sich ein Gebläse 6 sowie eine Heizreinrichtung 7 zur Erzeugung eines Prozessluftstromes, der im verriegelten Zustand der Tür 4 durch die Trommel 3 strömt. Der Wäschetrockner 1 ist mit einer Feuerlöscheinrichtung 8 ausgestattet, welche über als Temperatursensoren ausgebildete Brandsensoren 9 zur Überwachung des Prozessluftstromes verfügt, zur Aktivierung einer Einrichtung mittels der ein bevorratetes Löschmittel 10 in den Trommelraum zuführbar ist. Wie insbesondere aus der Figur 1 in Verbindung mit den Figuren 2 und 3 ersichtlich ist.The FIG. 1 shows in side view a clothes dryer 1 with a rotatably mounted in a housing 2 drum 3. The dryer 1 here comprises a door 4, which closes a feed opening 5. In the housing 2 of the tumble dryer 1 is a fan 6 and a heating device 7 for generating a process air flow, which flows in the locked state of the door 4 through the drum 3. The tumble dryer 1 is equipped with a fire-extinguishing device 8, which has fire sensors designed as temperature sensors 9 for monitoring the process air flow, for activating a device by means of which a stored extinguishing agent 10 can be fed into the drum space. As in particular from the FIG. 1 in conjunction with the Figures 2 and 3 is apparent.

Die Feuerlöscheinrichtung 8 ist als ein separates kompaktes Bauteil 11 ausgebildet, wie dies in den Figuren 2, 3 und 4 dargestellt ist. Das Bauteil 11 ist an der inneren Mantelwand 12 der Trommel 3 angeordnet. Dies ist insbesondere in der Figur 1 und 2 erkennbar, wobei die angedeutete Darstellung Figur 1 das Versprühen des Löschmittels 10 in den Trommelraum zeigt. Das Bauteil 11 ist als wenigstens eine die Wäsche abweisende in der Trommel 3 angeordnete Rippe 13 ausgebildet, wie dies insbesondere in der Figur 2 zu erkennen ist. Die Rippe 13 bildet hierbei das Gehäuse für die Feuerlöscheinrichtung 8, wie sie in der Figur 3 in der geschnittenen Seitenansicht dargestellt ist. Die Rippe 13 weist hierbei im Querschnitt im Wesentlichen eine Dreiecksform auf, wobei deren Basis 14 an der inneren Mantelwand 12 festgelegt ist. Dies ist insbesondere aus der Figur 2 zu erkennen, wo drei Rippen 13 verteilt an der inneren Mantelwand 12 angeordnet sind. Im Schnittbereich der Rippensehnen 15 und 16 sind Brandsensoren 9, sowie Düsen 17 zum Versprühen des Löschmittels 10 angeordnet.The fire extinguisher 8 is formed as a separate compact member 11 as shown in FIGS Figures 2 . 3 and 4 is shown. The component 11 is arranged on the inner jacket wall 12 of the drum 3. This is especially true in the FIG. 1 and 2 recognizable, with the indicated representation FIG. 1 shows the spraying of the extinguishing agent 10 in the drum space. The component 11 is formed as at least one the laundry repellent arranged in the drum 3 rib 13, as in particular in the FIG. 2 can be seen. The rib 13 in this case forms the housing for the fire-extinguishing device 8, as shown in the FIG. 3 is shown in the sectional side view. The rib 13 in this case has a triangular shape substantially in cross-section, with its base 14 being fixed to the inner casing wall 12. This is especially true of the FIG. 2 to recognize where three ribs 13 distributed to the inner jacket wall 12 are arranged. In the intersection region of the rib tendons 15 and 16, fire sensors 9 and nozzles 17 for spraying the extinguishing agent 10 are arranged.

Gemäß einer zweckmäßigen Ausführung nach Fig. 5 sind die Brandsensoren 9 an den seitlichen Flanken 21 der als Feuerlöscher ausgebildeten Rippe 13 angeordnet, so dass auch kleinere Brandherde in ihrer Entstehung bereits zuverlässig erkannt werden können.According to an expedient embodiment Fig. 5 the fire sensors 9 are arranged on the lateral flanks 21 of the rib 13 designed as a fire extinguisher, so that even smaller sources of fire can already be reliably detected in their formation.

Wie insbesondere in der Figur 3 zu erkennen ist, ist in der Rippe 13 neben einem Löschmitteltank 18 ein Treibmittelgefäß 19 zum Ausbringen des Löschmittels 10 angeordnet. Dabei ist der Löschmitteltank 18 unmittelbar mit dem Treibmittelgefäß 19 verbunden. Der Löschmitteltank 18 nimmt etwa zwei Drittel und das Treibmittelgefäß 19 etwa ein Drittel des Gehäuseraums der Rippe 13 ein. Nach einer vorteilhaften Ausgestaltung gibt wenigstens eine am Löschmitteltank 18 angeordnete Düse 17 infolge einer Temperaturgrenzwertüberschreitung den Sprühaustritt 20 selbsttätig frei, wobei wenigstens ein Brandsensor 9 das Treibmittel aus dem Treibmittelgefäß 19 aktiviert. Es versteht sich nun von selbst, dass, wenn beispielsweise im Brandfall die Düse 17 durch Temperaturerhöhung, sei es durch Schmelzen, oder dadurch, dass das aktivierte Treibmittel einen Verschluss an der Düse 17 abgesprengt, das Löschmittel 10 in den Trommelhohlraum eindringt und somit unmittelbar auf den Brandherd einwirkt. Dadurch ist auch eine doppelte Sicherheit gegeben, wobei entweder hier auf der einen Seite die Düse 17 selbsttätig öffnet bzw. der Brandsensor 9 hier anspringt, so dass das Löschmittel 10 ungehindert austreten kann. In Weiterbildung insbesondere der Anordnung der Brandsensoren 9, dargestellt in der Figur 5, können diese zur Aktivierung des Treibmittels auf den seitlichen Flanken des Rippengehäuses angeordnet sein. Wie bereits schon in der Beschreibung ausgeführt, besteht die Möglichkeit, die in der Rippe 13 untergebrachte Feuerlöscheinrichtung 8 als Nachrüstsatz auszugestalten.As in particular in the FIG. 3 can be seen, in the rib 13 in addition to an extinguishing agent tank 18, a propellant vessel 19 for discharging the extinguishing agent 10 is arranged. In this case, the extinguishing agent tank 18 is connected directly to the propellant vessel 19. The extinguishing agent tank 18 occupies about two thirds and the propellant vessel 19 about a third of the housing space of the rib 13 a. According to an advantageous embodiment, at least one nozzle 17 arranged on the extinguishing agent tank 18 automatically releases the spray outlet 20 as a result of exceeding the temperature limit, at least one fire sensor 9 activating the blowing agent from the blowing agent vessel 19. It goes without saying that, for example, if in case of fire, the nozzle 17 by increasing the temperature, by melting, or by the fact that the activated propellant blows off a closure on the nozzle 17, the extinguishing agent 10 penetrates into the drum cavity and thus directly on the source of fire acts. As a result, a double security is given, either here on the one hand, the nozzle 17 opens automatically or the fire sensor 9 starts here, so that the extinguishing agent 10 can escape unhindered. In development, in particular the arrangement of the fire sensors 9, shown in the FIG. 5 , These may be arranged to activate the propellant on the lateral flanks of the fin housing. As already stated in the description, it is possible to design the housed in the rib 13 fire extinguishing device 8 as a retrofit kit.

Claims (11)

Wäschetrockner (1) mit einer in einem Gehäuse (2) drehbar gelagerten Trommel (3), einer mit einer Tür (4) verschließbaren Beschickungsöffnung (5), sowie einem Gebläse (6) und einer Heizeinrichtung (7) zur Erzeugung eines Prozessluftstromes, der im verriegelten Zustand der Tür (4) durch die Trommel (3) strömt, und der Wäschetrockner (1) mit zumindest einer Feuerlöscheinrichtung (8) ausgestattet ist, welche über als Temperatursensoren ausgebildete Brandsensoren (9) zur Überwachung des Prozessluftstromes verfügt, sowie einer Überwachungssteuerung zur Aktivierung einer Einrichtung mittels der ein bevorratetes Löschmittel (10) in den Trommelraum zuführbar ist,
dadurch gekennzeichnet,
dass die Feuerlöscheinrichtung (8) als ein separat ausgebildetes kompaktes Bauteil (11) an der inneren Mantelwand (12) der Trommel (3) angeordnet ist.Clothes dryer (1) with a drum (3) rotatably mounted in a housing (2), a feed opening (5) which can be closed by a door (4), and a fan (6) and a heater (7) for generating a process air stream in the locked state of the door (4) through the drum (3) flows, and the tumble dryer (1) is equipped with at least one fire-extinguishing device (8) which has designed as temperature sensors fire sensors (9) for monitoring the process air flow, and a monitoring control for activating a device by means of which a stored extinguishing agent (10) can be fed into the drum space,
characterized,
that the fire extinguishing device (8) is arranged as a separately formed compact component (11) on the inner lateral wall (12) of the drum (3). Wäschetrockner nach Anspruch 1,
dadurch gekennzeichnet,
dass das Bauteil (11) als wenigstens eine die Wäsche abweisende in der Trommel (3) angeordnete Rippe (13) ausgebildet ist.Dryer according to claim 1,
characterized,
in that the component (11) is designed as at least one rib (13) arranged in the drum (3) and repelling the laundry. Wäschetrockner nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
dass die Rippe (13) das Gehäuse für die Feuerlöscheinrichtung (8) bildet.Dryer according to claim 1 or 2,
characterized,
that the rib (13) forms the housing for the fire extinguishing device (8). Wäschetrockner nach Anspruch 2 oder 3,
dadurch gekennzeichnet,
dass die Rippe (13) im Querschnitt im Wesentlichen eine Dreiecksform aufweist, wobei deren Basis (14) an der inneren Mantelwand (12) festgelegt ist.Dryer according to claim 2 or 3,
characterized,
in that the rib (13) has a substantially triangular shape in cross-section, the base (14) of which is fixed to the inner casing wall (12). Wäschetrockner nach Anspruch 4,
dadurch gekennzeichnet,
dass im Schnittbereich der Rippensehnen (15) und (16) Brandsensoren (9) sowie Düsen (17) zum Versprühen des Löschmittels (10) angeordnet sind.Dryer according to claim 4,
characterized,
that fire sensors (9) and nozzles (17) for spraying the extinguishing agent (10) are arranged in the intersection region of the rib chords (15) and (16). Wäschetrockner nach einem der Ansprüche 2 bis 5,
dadurch gekennzeichnet,
dass in der Rippe (13) neben einem Löschmitteltank (18) ein Treibmittelgefäß (19) zum Ausbringen des Löschmittels (10) angeordnet ist.Dryer according to one of claims 2 to 5,
characterized,
in that a propellant container (19) for dispensing the extinguishing agent (10) is arranged in the rib (13) next to an extinguishing agent tank (18). Wäschetrockner nach Anspruch 6,
dadurch gekennzeichnet,
dass der Löschmitteltank (18) unmittelbar mit dem Treibmittelgefäß (19) verbunden ist.Dryer according to claim 6,
characterized,
in that the extinguishing agent tank (18) is connected directly to the propellant vessel (19). Wäschetrockner nach Anspruch 7,
dadurch gekennzeichnet,
dass der Löschmitteltank (18) etwa zwei Drittel und das Treibmittelgefäß (19) etwa ein Drittel des Gehäuseraumes der Rippe (13) einnimmt.Dryer according to claim 7,
characterized,
that the extinguishing agent tank (18) about two thirds and the propellant container (19) occupies about one third of the housing space of the rib (13). Wäschetrockner nach einem der Ansprüche 6 bis 8,
dadurch gekennzeichnet,
dass wenigstens eine am Löschmitteltank (18) angeordnete Düse (17) infolge einer Temperaturgrenzwertüberschreitung den Sprühaustritt (20) selbsttätig freigibt, und wenigstens ein Brandsensor (9) das Treibmittel aktiviert.Dryer according to one of claims 6 to 8,
characterized,
in that at least one nozzle (17) arranged on the extinguishing agent tank (18) automatically releases the spray outlet (20) as a result of a temperature limit violation, and at least one fire sensor (9) activates the blowing agent. Wäschetrockner nach Anspruch 9,
dadurch gekennzeichnet,
dass die Brandsensoren (9) zur Aktivierung des Treibmittels auf den seitlichen Flanken (21) des Rippengehäuses angeordnet sind.Dryer according to claim 9,
characterized,
in that the fire sensors (9) for activating the propellant are arranged on the lateral flanks (21) of the fin housing. Feuerlöscheinrichtung (8) für einen Wäschetrockner (1), umfassend ein als Rippe (13) ausgebildetes Gehäuse mit einem darin angeordnetem Löschmitteltank (18) und einem Treibmittelgefäß (19) zum Ausbringen des Löschmittels (10), ferner Brandsensoren (9) sowie zumindest eine Düse (17) zum Ausbringen des Löschmittels (10), und ferner Befestigungsmittel zum Anbringen der Feuerlöscheinrichtung (8) an einer inneren Mantelwand (12) einer Trommel (3) eines Wäschetrockners (1).A fire-extinguishing device (8) for a tumble dryer (1), comprising a housing designed as a rib (13) with an extinguishing agent tank (18) and a propellant vessel (19) for discharging the extinguishing agent (10), furthermore fire sensors (9) and at least one A nozzle (17) for discharging the extinguishing agent (10), and further fixing means for attaching the fire extinguishing device (8) to an inner jacket wall (12) of a drum (3) of a clothes dryer (1).
EP10401024.4A 2010-02-19 2010-02-19 Tumble drier with fire extinguisher Not-in-force EP2360310B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES10401024T ES2425086T3 (en) 2010-02-19 2010-02-19 Clothes dryer with fire extinguishing device
SI201030291T SI2360310T1 (en) 2010-02-19 2010-02-19 Tumble drier with fire extinguisher
EP10401024.4A EP2360310B1 (en) 2010-02-19 2010-02-19 Tumble drier with fire extinguisher
PL10401024T PL2360310T3 (en) 2010-02-19 2010-02-19 Tumble drier with fire extinguisher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10401024.4A EP2360310B1 (en) 2010-02-19 2010-02-19 Tumble drier with fire extinguisher

Publications (2)

Publication Number Publication Date
EP2360310A1 true EP2360310A1 (en) 2011-08-24
EP2360310B1 EP2360310B1 (en) 2013-07-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (4)

Country Link
EP (1) EP2360310B1 (en)
ES (1) ES2425086T3 (en)
PL (1) PL2360310T3 (en)
SI (1) SI2360310T1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012200075B3 (en) * 2012-01-04 2013-02-21 BSH Bosch und Siemens Hausgeräte GmbH Clothes dryer such as household clothes dryer has temperature-activated release unit which releases extinguishing agent into space outside of drum, so that extinguishing agent is released automatically at temperature caused by fire
DE102011087607A1 (en) * 2011-12-01 2013-06-06 BSH Bosch und Siemens Hausgeräte GmbH Clothes dryer with a fire extinguisher

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3132529A1 (en) * 2022-02-10 2023-08-11 Hutchinson LAUNDRY DRYING AND/OR WASHING APPLIANCE EQUIPPED WITH A SELF-CONTAINED FIRE EXTINGUISHING DEVICE

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11216294A (en) * 1998-02-04 1999-08-10 Sharp Corp Drum type drying and washing machine and equipment provided with drying means
US20020184786A1 (en) * 2001-04-27 2002-12-12 Miller Andrew C Fire arrester for use with a clothes dryer
EP2072659A1 (en) * 2007-12-20 2009-06-24 BSH Bosch und Siemens Hausgeräte GmbH Laundry drying device and method for operating same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11216294A (en) * 1998-02-04 1999-08-10 Sharp Corp Drum type drying and washing machine and equipment provided with drying means
US20020184786A1 (en) * 2001-04-27 2002-12-12 Miller Andrew C Fire arrester for use with a clothes dryer
EP2072659A1 (en) * 2007-12-20 2009-06-24 BSH Bosch und Siemens Hausgeräte GmbH Laundry drying device and method for operating same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011087607A1 (en) * 2011-12-01 2013-06-06 BSH Bosch und Siemens Hausgeräte GmbH Clothes dryer with a fire extinguisher
DE102011087607B4 (en) * 2011-12-01 2016-11-24 BSH Hausgeräte GmbH Clothes dryer with a fire extinguisher
DE102012200075B3 (en) * 2012-01-04 2013-02-21 BSH Bosch und Siemens Hausgeräte GmbH Clothes dryer such as household clothes dryer has temperature-activated release unit which releases extinguishing agent into space outside of drum, so that extinguishing agent is released automatically at temperature caused by fire
US9885142B2 (en) 2012-01-04 2018-02-06 BSH Hausgeräte GmbH Tumble dryer with automatic fire extinguishing system

Also Published As

Publication number Publication date
ES2425086T3 (en) 2013-10-11
EP2360310B1 (en) 2013-07-24
PL2360310T3 (en) 2013-11-29
SI2360310T1 (en) 2013-12-31

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