EP1906086B1 - Verfahren zur Erfassung des Vakuumbetriebs eines Dampferzeugers - Google Patents

Verfahren zur Erfassung des Vakuumbetriebs eines Dampferzeugers Download PDF

Info

Publication number
EP1906086B1
EP1906086B1 EP07112373.1A EP07112373A EP1906086B1 EP 1906086 B1 EP1906086 B1 EP 1906086B1 EP 07112373 A EP07112373 A EP 07112373A EP 1906086 B1 EP1906086 B1 EP 1906086B1
Authority
EP
European Patent Office
Prior art keywords
steam generator
steam
water
water supply
detecting whether
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.)
Active
Application number
EP07112373.1A
Other languages
English (en)
French (fr)
Other versions
EP1906086A3 (de
EP1906086A2 (de
Inventor
Essaïd RAOUI
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.)
Groupe Brandt SAS
Original Assignee
Groupe Brandt SAS
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 Groupe Brandt SAS filed Critical Groupe Brandt SAS
Publication of EP1906086A2 publication Critical patent/EP1906086A2/de
Publication of EP1906086A3 publication Critical patent/EP1906086A3/de
Application granted granted Critical
Publication of EP1906086B1 publication Critical patent/EP1906086B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
    • F22B1/284—Methods of steam generation characterised by form of heating method in boilers heated electrically with water in reservoirs
    • F22B1/285—Methods of steam generation characterised by form of heating method in boilers heated electrically with water in reservoirs the water being fed by a pump to the reservoirs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B35/00—Control systems for steam boilers

Definitions

  • the present invention relates to a method for detecting the vacuum operation of a steam generator.
  • It also relates to a drying machine, and in particular a dryer, of the dryer or washer-dryer type for domestic use, adapted to implement the method of detecting the vacuum operation of a steam generator according to to the invention.
  • It also relates to a steam cooking oven, and in particular a steam cooking oven for domestic food, adapted to implement the method of detecting the idle operation of a steam generator according to the invention. .
  • the present invention relates to the field of steam generation and aims to detect the presence of water in a steam generator during a steam generation cycle.
  • the present invention thus aims to ensure the safety of the use of a steam generator by preventing overheating of at least one heating means for the generation of steam.
  • Steam generators are already known which propose to detect the absence of water inside the cold water supply tank of said steam generators by at least one water level sensor.
  • the water level sensor triggers a switch as soon as the water level goes above a threshold.
  • the switch is triggered by a float placed inside the water supply tank connected to the steam generator.
  • EP 1 669 668 A1 discloses a steam generating apparatus comprising a spraying vessel, a heating element for heating the spraying vessel, a water supply pump supplying water to the spraying vessel, and a drain valve for removing the spraying vessel.
  • a steam generating apparatus comprising a spraying vessel, a heating element for heating the spraying vessel, a water supply pump supplying water to the spraying vessel, and a drain valve for removing the spraying vessel.
  • water from the vaporization vessel and means for detecting the temperature of the vessel of vaporization.
  • Control means control the heating element, the water supply pump and the drain valve. After completion of the steam generation operation, the water retained in the vaporization vessel is drained as soon as the temperature of the vaporization vessel has fallen below a predetermined temperature.
  • the present invention aims to ensure the safety of a steam generator by monitoring the control curve of at least one heating means while minimizing the costs of obtaining said steam generator.
  • the present invention aims at a method for detecting the vacuum operation of a steam generator comprising at least one heating means for heating and vaporizing water, said steam generator being connected to an external source of water supply, at least one means for circulating the water being able to circulate the water of said external source of water; supplying water to said steam generator, and at least one temperature regulating means of said steam generator.
  • a detection of absence of water in the steam generator is provided to prevent the steam generator from operating for a period too long without introduction of water.
  • the steam generator operates safely and without risk of overheating of the at least one heating means.
  • the method of detecting the idle operation of a steam generator makes it possible to avoid the empty operation of the said at least one means for circulating the water.
  • the detection of absence of water supply to the steam generator is detected with respect to the cut-off time of at least one temperature control means of the steam generator.
  • the ratio of the cut-off time during the idle mode of the steam generator to the cut-off time during the operating mode with a water supply of said steam generator is between 5/1 and 15/1.
  • the ratio of the cut-off time during the idling mode of the steam generator to the cut-off time during the operating mode with a water supply of said steam generator is of the order of 10/1.
  • the duration of the idle mode of the steam generator corresponds to the cooling time of the steam generator by heat losses.
  • the average power of the steam generator during a vacuum operation is less than 100 watts, and preferably of the order of 50 watts. This heat loss power is equal to the average capacity of the steam generator at idle operation.
  • the duration of the operating mode with a water supply of the steam generator corresponds to the cooling time of the steam generator by evaporation of water.
  • the idling time of the steam generator is between 10 seconds and 40 seconds, and preferably of the order of 20 seconds.
  • the duration of the detection phase of absence of water supply in the steam generator is between 1 minute and 5 minutes, and preferably of the order of 2 minutes.
  • the duration of the detection phase of absence of water supply in the steam generator can also take into account an additional duration to distinguish the idle mode of said steam generator from the operating mode with a water supply said steam generator.
  • the number of interlocking of at least one steam generator temperature control means is counted during the detection phase of the absence of water inlet into said generator of steam.
  • a measurement of the engagement number of at least one temperature control means of the steam generator is implemented. This step can be carried out following the last triggering of at least one temperature control means of the steam generator.
  • the detection phase of absence of water supply in the steam generator can detect the engagement of said at least one temperature control means.
  • the detection phase of absence of water supply in the steam generator can also be implemented during the period of operation of said at least one means for circulating the water.
  • Said at least one means for circulating the water may be a pump placed upstream of the steam generator and downstream of the external water supply source.
  • Said external source of water supply may be a reservoir independent of the steam generator in one embodiment of the invention or a plug water inlet network according to another embodiment of the invention.
  • At least one means of alerting the user is put into operation upon detection of the absence of water supply in the steam generator.
  • Said at least one warning means may be a light signaling means or a sound signaling means.
  • Said light signaling means may be at least one light emitting diode or an element of a display means such as a liquid crystal screen.
  • the present invention improves the reliability of the pump supplying the steam generator by limiting the idle mode of operation of said steam generator.
  • the laundry dryer comprises at least one steam generator for injecting steam into a drying circuit.
  • This machine dryer has similar features and advantages to those described above with reference to the method of detecting the idle operation of a steam generator that it implements.
  • the duration of the detection phase of absence of water supply in the steam generator may take into account the preheating time of at least one heating means placed in an air intake pipe of the machine. drying the laundry connecting a fan to the drum.
  • a condenser may be disposed in the air inlet duct between the fan and the drum.
  • the steam is generated during a laundry cycle.
  • this steam cooking oven adapted to implement a method of detecting the vacuum operation of a steam generator according to the invention.
  • This steam cooking oven comprises at least one steam generator for injecting steam into a cooking chamber.
  • This steaming furnace has characteristics and advantages similar to those described above with reference to the method for detecting the vacuum operation of a steam generator that it uses.
  • This dryer may be a household clothes dryer or a washer-dryer.
  • an overhead loading machine has been illustrated.
  • the present invention applies to all types of machine for drying clothes, including front loading.
  • This dryer 1 comprises a bodywork comprising an access opening inside the bodywork.
  • this access opening is made in an upper portion of the body, and in this example, in an upper plane of the body.
  • An access door is adapted to close this opening of the body of the machine 1, in particular during operation thereof.
  • the access door is pivotally mounted about an axis of rotation integral with the body of the machine 1.
  • the body of the machine 1 is adapted to accommodate a drum 2 which is particularly suitable for drying laundry by a hot air circulation.
  • the drum 2 is rotatable about an axis 3 during the different phases of the drying cycles of the machine.
  • figure 1 is schematic and that many organs necessary for the operation of the machine have been omitted and do not need to be described in detail here.
  • This access door for example formed of two gates and pivotally mounted on the shell of the drum 2, allows to close an opening in said shell of said drum 2.
  • a control panel is also provided at the top of the machine 1.
  • the dryer according to the invention comprises all the equipment and means necessary for the implementation of a conventional drying process in such a rotary drum machine.
  • the laundry dryer 1 comprises a steam generator 12 with a water supply by drip.
  • the steam generator 12 is a tube steam generator with a low water flow rate of the order of 30 g / minute.
  • the diameter of the tube of the steam generator 12 is of the order of 8 mm.
  • a condenser dryer 1 comprises two air circuits.
  • a first air circuit is commonly called hot air circuit 4 and a second air circuit called cold air circuit 5.
  • the hot air circuit 4 is in a closed loop and the air heated by at least one heating element 6.
  • the heated air passes through the laundry contained in the drum 2 and the heated air is charged with the moisture contained by the laundry. During this phase, the air is cooled from a temperature of about 110 ° C to a temperature of about 70 ° C.
  • the heated and moist air passes through a filter 7 placed at a discharge outlet of the drum 2 to recover the lint contained in said heated and moist air.
  • a fan 8 circulates the hot and humid air inside a condenser 9. The hot and humid air is cooled in tubes of the condenser 9 and the humidity of the air is condensed. The condenser 9 is cooled by heat exchange with ambient air. Then, the air is again heated by the at least one heating element 6.
  • the laundry dryer 1 may also be provided with a plate condenser 9 in place of a condenser 9 with tubes.
  • the cold air circuit 5 is in an open circuit where ambient air is sucked by a fan 10 at the rear of the dryer 1.
  • the fan 10 propels the ambient air into the condenser 9 on the floor. outside the tubes of said condenser 9 in order to cool it.
  • the ambient air heated in the condenser 9 is discharged into a room through a front face of the dryer 1.
  • a motor 11 allows the driving of the drum 2 for brewing the laundry with an alternating rotation to prevent the knotting of the laundry. Said motor 11 can also drive the two fans 8 and 10.
  • Both fans 8 and 10 are centrifugal technology.
  • the air flow is greater in a positive direction relative to a reverse direction said negative.
  • the air flow factor between the positive direction and the negative direction of the fans 8 and 10 is substantially of the order of 3.
  • the water recovered by the condenser 9 can be raised by a pump to a tank placed in the upper part of the machine 1, or recovered by gravity in a tray at the bottom of the machine 1 according to said dryer machine 1 .
  • the drying machine 1 is also equipped with a steam generator 12 supplied with water by a pump 20 coming from a reservoir 17. During the implementation of a laundry cycle, the steam produced by the steam generator 12 is injected into the hot air circuit 4 to moisten the laundry in order to straighten it.
  • the reservoir 17 of the steam generator 12 can be filled by the user with mains water or demineralised water.
  • the laundry cycle unwinds with a rotation of the drum 2 alternating to avoid the knotting of the laundry.
  • the rotation of the drum 2 containing the laundry to be straightened makes it possible to stir the laundry and to create an exchange between the moist air and the steam and with the laundry.
  • the load of laundry introduced into the drum 2 of the dryer 1 is mainly dried and creased at the start of a laundry cycle.
  • the method of detecting the idle operation of a steam generator 12 in a clothes dryer 1 comprises at least one heating means 18 for heating and vaporizing water.
  • Said steam generator 12 is connected to an external source of water supply 19.
  • At least one means for circulating water 20 is capable of circulating the water of said external water supply source 19 to said steam generator 12.
  • the method for detecting the idle operation of a steam generator 12 in a clothes dryer 1 also comprises at least one temperature control means 21 of said steam generator 12.
  • a detection of absence of water in the steam generator 12 is provided to prevent the steam generator 12 from operating for a period too long without introduction of water.
  • the steam generator 12 operates safely and without risk of overheating said at least one heating means 18.
  • the detection of absence of water supply to the steam generator 12 is detected with respect to the cut-off time D of at least one temperature control means 21 of the steam generator 12.
  • the ratio of the cut-off time D1 during the idle mode of the steam generator 12 to the cut-off time D2 during the operating mode with a water supply of said steam generator 12 is between 5/1 and 15 / 1.
  • the ratio of the cut-off time D1 during the idling mode of the steam generator 12 to the cut-off time D2 during the operating mode with a water supply of said steam generator 12 is of the order of 10. / 1.
  • the duration of the idle mode of the steam generator 12 corresponds to the cooling time of the steam generator 12 by heat losses.
  • the average power of the steam generator 12 during a vacuum operation is less than 100 watts, and preferably of the order of 50 watts.
  • the duration D2 of the operating mode with a water supply of the steam generator 12 corresponds to the cooling time of the steam generator 12 by evaporation of water.
  • the idling time of the steam generator 12 is between 10 seconds and 40 seconds, and preferably of the order of 20 seconds.
  • the solid line curve illustrates the idle mode of the steam generator 12 and the dashed line curve illustrates the mode of operation with a water supply of the steam generator 12.
  • the duration of the detection phase of absence of water supply in the steam generator 12 is between 1 minute and 5 minutes, and preferably of the order of 2 minutes.
  • the duration of the detection phase of absence of water supply in the steam generator 12 can also take into account an additional duration to distinguish the idle mode of said steam generator 12 from the operating mode with a power supply. in water of said steam generator 12.
  • the duration of the detection phase of absence of water inlet in the steam generator 12 can take into account the preheating time of at least one heating means 6 placed in an air inlet duct 15. the dryer 1 connecting a fan 8 to the drum 2.
  • a condenser 9 can be arranged in the air inlet duct between the fan 8 and the drum 1.
  • the number of interlocking of at least one temperature regulating means 21 of the steam generator 12 is counted during the detection phase of the absence of water supply in the said steam generator 12.
  • a measurement of the number of interlocking of at least one temperature control means 21 of the steam generator 12 is implemented. This step can be implemented following the last triggering of at least one temperature control means 21 of the steam generator 12.
  • the detection phase of the absence of water supply in the steam generator 12 makes it possible to detect the engagement of said at least one temperature control means 21.
  • the detection phase of absence of water supply in the steam generator 12 can also be implemented during the period of operation of said at least one means for circulating water 20.
  • Said at least one means for circulating water 20 may be a pump placed upstream of the steam generator 12 and downstream of the external water supply source 19.
  • Said external source of water supply 20 may be a reservoir 17 independent of the steam generator 12 in one embodiment of the invention or a network inlet intake of the network according to another embodiment of the invention. invention.
  • At least one warning means (not shown) of the user is operated as soon as the detection of the absence of water supply in the steam generator 12.
  • Said at least one warning means may be a light signaling means or a sound signaling means.
  • Said light signaling means may be at least one light emitting diode or an element of a display means such as a liquid crystal screen.
  • the present invention makes it possible to improve the reliability of the pump supplying the steam generator by limiting the idle mode of operation of said steam generator and said pump.
  • Said at least one temperature regulation means 21 may consist of at least one thermostat, and preferably two thermostats, as illustrated in FIG. figure 3 .
  • a first thermostat makes it possible to regulate at least one heating means 18 at a temperature of the order of 180 ° C.
  • the two thermostats are connected in series to ensure the safety of the steam generator 12.
  • the second thermostat 21 has the function of ensuring the safety of the steam generator 12.
  • the second thermostat 21 is in the open position as soon as the temperature of the generator of steam 12 is greater than a predetermined threshold so as to cut off the power supply of the steam generator 12.
  • the state of the first thermostat is controlled by control means.
  • the control means may consist of at least one microcontroller 22.
  • the state of said at least one open or closed temperature control means 21 is determined by measuring the resistance between the two terminals of said at least one temperature control means 21. Electrical connection wire is required between the output of said at least one temperature control means 21 and the input of at least one microcontroller 22.
  • the state of said at least one open or closed temperature control means 21 is determined by measuring the supply current of the steam generator 12.
  • the detection of absence of water supply in the steam generator 12 may in particular be due to the fact that the reservoir 17 is empty or the fact that the reservoir 17 is not returned to position.
  • the detection of absence of water supply in the steam generator 12 may also be due to a malfunction of the machine 1, for example a failure of the pump 20 or a leakage of the water supply circuit of said generator of steam 12.
  • the detection of absence of water supply in the generator 12 may be associated with another parameter of the steam generating device to enable diagnosis to be made for service after sales or to inform the user.
  • the detection of the absence of water supply in the generator 12 can be associated with the intensity consumed by the pump 20 in particular to determine a cavitation of the latter.
  • the detection of a malfunction of the water supply circuit of the steam generator 12 by the detection of the absence of water supply in said steam generator 12 can be used during a functional check of said steam generator 12 supplied with water by a pump and / or the dryer 1
  • the filling of the tank 17 of the steam generator 12 can be filled at any time. This filling is possible thanks to the steam generator 12 supplied with water drip through an inlet opening.
  • the steam generator 12 may be a closed heating tank at its lower part.
  • the steam generator 12 includes an outlet opening for directing the generated steam to the hot air circuit 4 of the dryer 1.
  • a first phase of a laundry cycle consists in heating the steam generator 12 so that the water introduced into it falls on a heated surface and the water is vaporized instantly.
  • the structure of said machine, in particular the drum 2 must be sufficiently hot to prevent condensation of the steam on the machine.
  • Said at least one heating element 6 could be degraded by the presence of water. In particular in the case where said at least one heating element 6 is unshielded.
  • Said at least one heating element 6 is used at half of its power during the second preheating phase of the drum 2.
  • the use of the half power of said at least one heating element 6 saves energy and limits the power of the machine 1.
  • said at least one heating element 6 at half of its power makes it possible to limit the temperature inside the drum 2 for a better preservation of the laundry. In this way, overheating is not caused on the surface of the laundry placed inside the drum 2.
  • the drum 2 is rotated to stir the laundry and homogenize the introduction of steam into said drum 2 during a steam generation phase and of steam circulation of the steam generator 12 to said drum 2.
  • the hot air circuit 4 makes it possible to minimize steam condensation in order to optimize the consumption of water and the supply of thermal energy.
  • the hot air circuit 4 makes it possible to condense as little steam as possible, coming from the drum 2, in order to consume a minimum quantity of water and to limit the supply of thermal energy, and to reduce the noise of the machine to drying the laundry 1 of the order of 2dB.
  • the means used to reduce the efficiency of the condenser 9 is to reduce the flow of ambient air to limit the heat exchange.
  • the efficiency of the condenser 9 with a fan 10 of the cold air circuit 5 rotating in the positive direction is of the order of 70%.
  • the power exchanged in the condenser 9 is of the order of 2000W.
  • the change of direction of rotation of the drum 2 also makes it possible to modify the direction of rotation of the fan 10 and thus to modify the flow of ambient air passing through the condenser 9.
  • a lower air flow generated by the fan 10 creates an exchange less heat between moist warm air and ambient air.
  • the efficiency of the condenser 9 is of the order of 30%.
  • the power exchanged in the condenser 9 is of the order of 800W.
  • the fan 8 of the hot air circuit 4 is also driven by the motor 11 and said fan 8 also rotating in the opposite direction.
  • the hot air circuit 4 has a lower air flow.
  • the power of said at least one heating element 6 is lower to obtain a temperature at the outlet of the pipe 15 substantially identical.
  • a lower hot air flow rate also makes it possible to limit the risk of entrainment of water droplets that can be discharged with the steam in the hot air circuit 4 and consequently to limit the risk of short circuiting of said at least one a heating element 6.
  • the steam generation can be interrupted during the rotation of the drum 2 in said positive direction.
  • the cooling by the condenser 9 is also less important, hence a minimized heat exchange.
  • the steam is introduced and put into circulation in a hot air circuit 4 of the dryer 1 during the steam generation and steam circulation phase of the steam generator 12 to the drum 2.
  • the introduction of steam is regulated by the on and off times of said at least one means for circulating the water 20 in relation to the steam generator 12.
  • the stopping time of the steam generator 12 is present to stabilize the temperature of said steam generator 12 by cooling it with water drip into it.
  • the water introduced dropwise is at ambient temperature and cools the steam generator being hot. During water supply stopping times in the steam generator, the latter heats up. Stopping water introduction times are necessary to cause the temperature rise of the steam generator. If these water intake stoppages are not provided, the steam generator 12 discharges water droplets into the hot air circuit 4.
  • Said at least one means for circulating water 20 must be sized to supply water to the steam generator 12 with a water flow rate adapted as a function of the power of said steam generator 12.
  • the steam generator 12 has a power of the order of 1600 watts and said at least one water circulation means 20 has a flow rate of the order of 20g per minute.
  • the water supply of the steam generator 12 is carried out continuously by said at least one means for circulating the water 20.
  • the water is not introduced in liquid form into the hot air circuit 4 of the dryer 1 but only in vapor form.
  • the condenser 9 operates at its maximum efficiency during the phase of evacuation of the steam from the drum 2 and cooling the laundry contained in said drum 2.
  • the fans 8 and 10 operate in the positive direction.
  • This phase of the laundry stripping process makes it possible to remove the laundry from the drum 2 of the dryer 1 without the evacuation of a cloud of steam when the access door of said machine 1 is opened. in addition, this phase of the process prevents the user from burning his hands by removing the laundry from the drum 2.
  • the amount of water injected at each cycle of stripping the laundry in the steam generator 12 is of the order of 200mL to 300mL.
  • the laundry wrinkling cycle in a condensing dryer 1 comprises a steam generator 12, a condenser 9 and a drum 2 housed inside a body.
  • Said drum 2 contains the laundry to be stripped and is connected to said condenser 9 by a pipe 13.
  • Said condenser 9 is connected to at least two fans 8 and 10 each by a pipe 14 and 16.
  • said at least one fan 8 is connected to said drum 2 by a pipe 15.
  • This brewing phase of the laundry makes it possible to limit the cooling of the condenser 9 and consequently the condensation of the steam.
  • the consumption of water and energy is optimized during the implementation of a laundry cycle by steam steaming.
  • the duration of the anti-crease cycle is also optimized.
  • Said at least one fan 10 operates periodically and predominantly in the opposite direction of rotation with respect to the operating rotation direction having a maximum flow rate during the brewing phase of the laundry to obtain the minimum efficiency of the condenser 9.
  • the efficiency of the condenser 9 is minimum to prevent condensation of the steam as it passes through said condenser 9.
  • the operating time ratio of said at least one fan 10 in the direction of rotation having a maximum flow rate relative to the reverse direction of rotation is between 1/5 th and 1/15 th , and preferably of the order of 1 / 10 th .
  • Said at least one heating element 6 operates at half of its power when the brewing phase of the laundry, and preferably at a power of the order of 1000W.
  • Said at least one heating element 6 is located in a pipe 15 connecting said at least one fan 8 and the drum 2.
  • said at least one heating element 6 is used on a single part and in particular that placed in the upstream part in the hot air circuit 4.
  • the use of the upstream part of said at least one heating element 6 makes it possible to avoid condensation of all of said at least one heating element 6.
  • the upstream portion of said at least one heating element 6 corresponds to the first lower half of said at least one heating element 6 illustrated in FIG. figure 1 .
  • the steam generator 12 is introduced into the pipe 15 connecting the at least one fan 8 to the drum 2.
  • the positioning of the introduction of steam into the pipe 15 connecting the at least one fan 8 to the drum 2 is downstream of the condenser 9 to limit condensation in said condenser 9.
  • the positioning of the introduction of steam into the pipe 15 connecting the at least one fan 8 to the drum 2 is close to a condensate discharge circuit to allow the evacuation of water droplets formed during the generation of vapor in said condensate circuit.
  • the positioning of the introduction of steam into the pipe 15 connecting said at least one fan 8 to the drum 2 is upstream of said at least one heating element 6 to prevent that in the event of formation of water droplets, the latter can not falling on said at least one heating element 6.
  • the invention may relate to a steam cooking oven adapted to implement a method for detecting the idling operation of a steam generator according to the invention.
  • This steam cooking oven comprises at least one steam generator for injecting steam into a cooking chamber.

Claims (10)

  1. Verfahren zur Erkennung des Leerlaufbetriebs eines Dampferzeugers mit mindestens einer Heizvorrichtung (18) zum Erwärmen und Verdampfen von Wasser, wobei der besagte Dampferzeuger (12) an eine externe Wasserversorgungsquelle (19) angeschlossen ist, mindestens einem Mittel zum Umwälzen des Wassers (20), welches fähig ist, das Wasser von der besagten externen Wasserversorgungsquelle (19) zu dem besagten Dampferzeuger (12) zu befördern, und mindestens einem Mittel zur Regelung der Temperatur (21) des besagten Dampferzeugers (12), dadurch gekennzeichnet, dass es zumindest den folgenden Schritt umfasst:
    - Eine Phase, in welcher erfasst wird, dass dem Dampferzeuger (12) kein Wasser zugeführt wird, durch Messen der Ausschaltdauer (D) mindestens eines Mittels zur Regelung der Temperatur (21) des besagten Dampferzeugers (12).
  2. Verfahren zur Erkennung des Leerlaufbetriebs eines Dampferzeugers nach Anspruch 1, dadurch gekennzeichnet, dass das Verhältnis der Ausschaltdauer (D1) während des Leerlaufbetriebs des Dampferzeugers (12) zu der Ausschaltdauer (D2) während des Betriebsmodus mit einer Wasserversorgung des besagten Dampferzeugers (12) zwischen 5/1 und 15/1 beträgt.
  3. Verfahren zur Erkennung des Leerlaufbetriebs eines Dampferzeugers nach Anspruch 2, dadurch gekennzeichnet, dass die Dauer des Leerlaufbetriebs des Dampferzeugers (12) zwischen 10 Sekunden und 40 Sekunden, und vorzugsweise etwa 20 Sekunden beträgt.
  4. Verfahren zur Erkennung des Leerlaufbetriebs eines Dampferzeugers nach einem beliebigen der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Dauer der Phase, in welcher erfasst wird, dass dem Dampferzeuger (12) kein Wasser zugeführt wird, zwischen 1 Minute und 5 Minuten, und vorzugsweise etwa 2 Minuten beträgt.
  5. Verfahren zur Erkennung des Leerlaufbetriebs eines Dampferzeugers nach einem beliebigen der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Anzahl der Einschaltungen mindestens eines Mittels zur Regelung der Temperatur (21) des Dampferzeugers (12) während der Phase, in welcher erfasst wird, dass dem Dampferzeuger (12) kein Wasser zugeführt wird, gezählt wird.
  6. Verfahren zur Erkennung des Leerlaufbetriebs eines Dampferzeugers nach einem beliebigen der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass mindestens eine Warnvorrichtung zum Informieren des Benutzers aktiviert wird, sobald erkannt wird, dass dem Dampferzeuger (12) kein Wasser zugeführt wird.
  7. Verfahren zur Erkennung des Leerlaufbetriebs eines Dampferzeugers nach einem beliebigen der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die durchschnittliche Leistung des Dampferzeugers (12) während eines Leerlaufbetriebs niedriger als 100 Watt beträgt und vorzugsweise bei etwa 50 Watt liegt.
  8. Wäschetrockner, ausgelegt für den Einsatz eines Verfahrens zur Erkennung des Leerlaufbetriebs eines Dampferzeugers (12) gemäß einem beliebigen der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass er mindestens einen Dampferzeuger (12) zum Einführen von Dampf in einen Trocknungskreislauf umfasst.
  9. Wäschetrockner nach Anspruch 8, dadurch gekennzeichnet, dass der Dampf während eines Zyklus zum Glätten der Wäsche erzeugt wird.
  10. Dampfgarofen, ausgelegt für den Einsatz eines Verfahrens zur Erkennung des Leerlaufbetriebs eines Dampferzeugers (12) gemäß einem beliebigen der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass es mindestens einen Dampferzeuger (12) zum Einführen von Dampf in einen Garraum umfasst.
EP07112373.1A 2006-07-12 2007-07-12 Verfahren zur Erfassung des Vakuumbetriebs eines Dampferzeugers Active EP1906086B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0606437A FR2903761B1 (fr) 2006-07-12 2006-07-12 Procede de detection du fonctionnement a vide d'un generateur de vapeur

Publications (3)

Publication Number Publication Date
EP1906086A2 EP1906086A2 (de) 2008-04-02
EP1906086A3 EP1906086A3 (de) 2012-03-21
EP1906086B1 true EP1906086B1 (de) 2016-01-06

Family

ID=38158977

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07112373.1A Active EP1906086B1 (de) 2006-07-12 2007-07-12 Verfahren zur Erfassung des Vakuumbetriebs eines Dampferzeugers

Country Status (3)

Country Link
EP (1) EP1906086B1 (de)
ES (1) ES2561157T3 (de)
FR (1) FR2903761B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20120418A1 (it) * 2012-07-31 2014-02-01 F M B Fabbrica Macchine Bologna S P A Macchina e metodo per la pulizia di tessuti o similari.
FR3004131B1 (fr) * 2013-04-08 2021-06-25 Jean Christophe Martinez Appareil de nettoyage et desinfection des surfaces integrant un systeme de gestion electronique
CN107385827B (zh) * 2017-08-18 2023-06-06 浙江海洋大学 一种热泵真空衣物烘干装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6647204B1 (en) * 1998-03-18 2003-11-11 Harwil Corporation Portable steam generating system
JP3689760B2 (ja) * 2003-09-10 2005-08-31 シャープ株式会社 蒸気発生装置及びそれを備えた加熱調理器
IL158443A0 (en) * 2003-10-16 2004-05-12 Moshe Jan Steam cleaning apparatus
US7360328B2 (en) * 2004-07-14 2008-04-22 Kai Tung Augustine Fung Steam generating device and iron using the steam generating device

Also Published As

Publication number Publication date
FR2903761A1 (fr) 2008-01-18
ES2561157T3 (es) 2016-02-24
FR2903761B1 (fr) 2012-10-12
EP1906086A3 (de) 2012-03-21
EP1906086A2 (de) 2008-04-02

Similar Documents

Publication Publication Date Title
EP2341178B1 (de) Wäschetrockner, der einen Kondenswasserbehälter umfasst, von dem eine Reinigungsvorrichtung eines Wärmetauschers und eines Dampfgenerators mit Wasser versorgt wird
EP2014820A1 (de) Verfahren zur Bestimmung der Verklumpung des Dampfgenerator-Tankfilters eines Haushaltswäschetrockners und Haushaltswäschetrockner mit Anwendung eines solchen Verfahrens
EP1906086B1 (de) Verfahren zur Erfassung des Vakuumbetriebs eines Dampferzeugers
FR2829231A1 (fr) Procede et appareil de sechage par circulation d'air
FR2481721A1 (fr) Machine a laver, a essorer et a secher le linge
EP1975297B1 (de) Kondensationswäschetrockner mit Kondenswasser-Recycling zur Versorgung eines Dampfgenerators und entsprechendes Verfahren
EP2163674B1 (de) Wäschetrockner der ein Verfahren zur Knittererholung der Wäsche ausführen kann
EP2341183B1 (de) Betriebsverfahren eines Wäschetrockners und dieses Verfahren anwendender Wäschetrockner
EP1975304B1 (de) Wäschetrockner, der ein Steuermittel für die Dampferzeugung enthält und entsprechendes Verfahren
EP1870510B1 (de) Wäschetrockner, der einen Dampferzeuger umfasst
FR2920160A1 (fr) Procede de limitation d'un pic de temperature d'un generateur de vapeur d'une machine a secher le linge et machine a secher le linge
EP2037036B1 (de) Verfahren zur Regulierung des Wasserdurchflusses während einer Dampferzeugungsphase in einem Wäschetrockner und entsprechender Wäschetrockner
EP1870509B1 (de) Verfahren zur Knittererholung der Wäsche in einem Kondensationswäschetrockner
EP2341181B1 (de) Steuerverfahren eines laufenden Wäschetrockners mit Wärmepumpe, und entsprechender Wäschetrockner mit Wärmepumpe
FR2914324A1 (fr) Procede de detartrage d'une machine a secher le linge a condensation
FR3006336A1 (fr) Procede de commande en fonctionnement d'un appareil de sechage du linge et appareil de sechage du linge associe
EP1975302B1 (de) Wäschetrockner, der einen hydraulischen Schaltkreis in der Tür zur Versorgung eines Dampfergenerators umfasst
FR3006335A1 (fr) Appareil de sechage du linge comprenant un dispositif de determination du niveau d'eau
FR3011254A1 (fr) Appareil de sechage du linge comprenant un dispositif de nettoyage d'au moins un element a nettoyer au moyen d'un liquide de nettoyage
EP2666901A1 (de) Wäschetrockner
WO1992007989A1 (fr) Seche-linge equipe d'un systeme d'echangeur thermique a puissance de condensation reglable
FR2984374A1 (fr) Procede de lavage du linge d'une machine a laver le linge et machine a laver le linge associee
FR3137395A1 (fr) Appareil de défroissage
FR3119174A1 (fr) Procédé de lavage de linge, lave-linge et programme mettant en œuvre un tel procédé
FR2667626A1 (fr) Seche-linge a minuterie.

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK YU

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: FAGORBRANDT SAS

REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Ref document number: 602007044440

Country of ref document: DE

Free format text: PREVIOUS MAIN CLASS: F22B0035000000

Ipc: F22B0001280000

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK RS

RIC1 Information provided on ipc code assigned before grant

Ipc: F22B 1/28 20060101AFI20120216BHEP

Ipc: F22B 35/00 20060101ALI20120216BHEP

17P Request for examination filed

Effective date: 20120831

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: FAGORBRANDT SAS

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20150310

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: GROUPE BRANDT

19U Interruption of proceedings before grant

Effective date: 20140411

19W Proceedings resumed before grant after interruption of proceedings

Effective date: 20150601

111Z Information provided on other rights and legal means of execution

Free format text: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU LV MC MT NL PL PT RO SE SI SK TR

Effective date: 20150930

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: FRENCH

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 769165

Country of ref document: AT

Kind code of ref document: T

Effective date: 20160215

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2561157

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20160224

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602007044440

Country of ref document: DE

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20160106

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 769165

Country of ref document: AT

Kind code of ref document: T

Effective date: 20160106

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160106

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160106

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160407

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160106

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160506

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160106

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160106

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160106

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160506

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160106

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602007044440

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160106

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160106

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160106

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160106

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160106

26N No opposition filed

Effective date: 20161007

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160731

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160106

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160406

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160106

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160731

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160731

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 11

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160712

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160712

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160106

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20070712

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160106

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160106

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20180705

Year of fee payment: 12

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20190712

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190712

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20200609

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20210830

Year of fee payment: 15

Ref country code: DE

Payment date: 20210730

Year of fee payment: 15

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210712

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 602007044440

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230201

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20230828

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220713

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20230719

Year of fee payment: 17