EP3409828B2 - Heizungsregelung und verfahren einer heizungsregelung mit reduzierten temperaturüberschreitungen für ein bügeleisen - Google Patents

Heizungsregelung und verfahren einer heizungsregelung mit reduzierten temperaturüberschreitungen für ein bügeleisen Download PDF

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Publication number
EP3409828B2
EP3409828B2 EP18172428.7A EP18172428A EP3409828B2 EP 3409828 B2 EP3409828 B2 EP 3409828B2 EP 18172428 A EP18172428 A EP 18172428A EP 3409828 B2 EP3409828 B2 EP 3409828B2
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EP
European Patent Office
Prior art keywords
heating
iron
power interruption
unit
phase
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EP18172428.7A
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English (en)
French (fr)
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EP3409828B1 (de
EP3409828A1 (de
Inventor
Martin Goldaracena Jaca
German Romero Garcia
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SDA Factory Vitoria SL
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SDA Factory Vitoria SL
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Priority claimed from ES201730751A external-priority patent/ES2692366A1/es
Application filed by SDA Factory Vitoria SL filed Critical SDA Factory Vitoria SL
Priority to PL18172428.7T priority Critical patent/PL3409828T5/pl
Publication of EP3409828A1 publication Critical patent/EP3409828A1/de
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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
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/26—Temperature control or indicating arrangements
    • 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
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/24—Arrangements of the heating means within the iron; Arrangements for distributing, conducting or storing the heat

Definitions

  • the invention relates to an iron comprising a soleplate, a heating element thermally coupled with the soleplate and a thermostat unit configured for controlling operation of the heating element.
  • the invention further relates to a method for operating a heating element of an iron.
  • an automatic power interrupting apparatus for an electric appliance is described that may for example be used for a hand held electrically operated appliance, such as a pressing iron.
  • the automatic switching apparatus is provided within a circuit board located within the housing of the iron.
  • the automatic switching apparatus includes a first timing circuit and a touch sensitive switch which function in conjunction with one another such that when the user breaks contact with the touch sensitive switch, located on a handle portion of the iron, the first timing circuit is enabled to de-energize the heating element of the iron after contact has been broken with the touch sensitive switch for a predetermined period of time.
  • a second timing circuit is provided to disable the first timing circuit for a second predetermined period of time when the iron is initially plugged into the electrical socket outlet so as to permit the heating element to reach a temperature level suitable for ironing without necessitating the user to contact the touch sensitive switch when the heating element is initially energized.
  • a temperature sensitive circuit may also be provided to de-energise the heating element at a predetermined temperature.
  • Japan patent application JPH05305200 A relates to an iron capable of detecting the condition of use and automatically setting the temperature of the base surface according to the condition of use to control the temperature suitable for the condition of ruse.
  • an iron comprising a soleplate, a heating element thermally coupled with the soleplate, a thermostat unit configured for controlling operation of the heating element, the thermostat unit being configured for alternatingly effecting heating phases and non-heating phases of the heating element, a switch element adapted for switching a power supply of the heating element, and a control unit adapted for controlling a switching operation of the switch element.
  • the control unit is configured for assigning a respective time pattern defining one or more power interruption intervals to at least one selected heating phase of said heating phases, with the switch element being configured for interrupting power supply of the heating element during the one or more power interruption intervals in accordance with the respective time pattern.
  • one or more power interruption intervals occur, with power supply of the heating element being interrupted during these power interruption intervals.
  • the advantage is that during the one or more time intervals, a temperature equilibration of the temperature at the soleplate can take place.
  • temperature overshoots can be avoided.
  • temperature overshoots may lead to damages.
  • the time pattern may for example define the timing of the one or more power interruption intervals during a selected heating phase.
  • the time pattern can be adapted to the respective characteristics.
  • the time pattern of the power interruptions may be chosen such that the thermal inertia of the iron's soleplate is taken into account.
  • the time pattern of the power interruptions may be chosen such that the effects due to thermal inertia of the soleplate are reduced or avoided.
  • a method for operating a heating element of an iron comprises the steps of heating the soleplate according to alternating heating phases and non-heating phases under the control of the thermostat unit, determining a respective time pattern defining one or more power interruption intervals for at least one selected heating phase of said heating phases, and interrupting power supply of the heating element during the one or more power interruption intervals in accordance with the respective time pattern.
  • the heating process is stabilised and effects that are due to thermal inertia of the soleplate can be reduced or even eliminated.
  • temperature overshoots that may damage the garment are avoided.
  • Even for irons equipped with a simple thermostatic control the temperature control during the heating process is improved.
  • the respective time pattern defining the one or more power interruption intervals is specified by one or more timing parameters.
  • the timing parameters may indicate the respective positions of the one or more power interruption intervals during the heating phase.
  • the timing parameters for the one or more power interruption intervals of a selected heating phase comprise at least one of a delay time that specifies a time delay between an onset of the selected heating phase and a start of the power interruption interval in said heating phase and a length of the power interruption interval.
  • the timing parameters specify the respective position and duration of the one or more power interruption intervals.
  • the one or more power interruption intervals are enforced by the control unit in accordance with timing parameters chosen in dependence on a preceding course of the heating process.
  • timing parameters chosen in dependence on a preceding course of the heating process.
  • the thermostat unit is configured for controlling operation of the heating element in a way that the temperature of the soleplate is brought to and kept at a temperature in the vicinity of a predefined target temperature.
  • the sequence of heating phases and non-heating phases is chosen such that a desired target temperature is reached.
  • the one or more power interruption intervals of a selected heating phase are part of the selected heating phase.
  • the selected heating phase comprises the one or more power interruption intervals, which occur during the selected heating phase.
  • the length of a power interruption interval of a selected heating phase is smaller than the duration of the selected heating phase in which the power interruption is effected.
  • the length of a power interruption interval of a selected heating phase is less than one third of the selected heating phase in which the power interruption is effected.
  • the length of a power interruption interval of a selected heating phase is less than one fourth of the selected heating phase in which the power interruption is effected.
  • the length of a power interruption interval of a selected heating phase is less than one fifth of the selected heating phase in which the power interruption is effected. Further preferably, the length of a power interruption interval of a selected heating phase is less than one tenth of the selected heating phase in which the power interruption is effected.
  • the control unit is a timer unit.
  • the timer unit is programmed to initiate the one or more power interruption intervals during the selected heating phases.
  • the timer unit can for example be programmed to control the time pattern of the one or more power interruption intervals.
  • the iron comprises an auto switch-off unit configured for switching off the power supply of the heating element in case the iron is not moved during a predetermined period of time.
  • the auto switch-off unit can for example be configured for switching off the power of the heating element in case the iron is not gripped during a predetermined period of time.
  • a touch sensitive sensor may be used for detecting that the user touches or grips the iron.
  • the purpose of an auto switch-off unit is to avoid safety hazards and damages to the clothing. When the iron is not moved or gripped during a predetermined period of time, the iron is powered down.
  • the iron comprises an auto switch-off unit, with the control unit and the switch element being part of the auto switch-off unit.
  • the control unit and the switch element of the auto switch-off unit can also be used for controlling the time pattern of the one or more power interruptions during a heating phase and for switching the heating element in accordance with this time pattern.
  • the control unit and the switch element is used for two different purposes.
  • an additional routine has to be implemented in the control unit. No extra hardware is required for implementing the method of the present invention, and hence, a cost saving is accomplished.
  • the auto switch-off unit comprises the control unit and the switch element, with the auto switch-off unit being configured for detecting if the iron is not moved or gripped for a predetermined period of time, wherein in this case, the control unit is configured for controlling the switch element in a way that the heater element is powered off.
  • the auto switch-off unit further comprises a sensor configured for detecting movements of the iron.
  • the sensor signals are evaluated by the control unit of the auto switch-off unit.
  • the control unit can detect that the iron is not moved during a predefined period of time.
  • the auto switch-off unit may also comprise a sensor configured for detecting whether or not the user touches or grips the iron.
  • the sensor is configured for additionally determining an orientation of the iron.
  • the sensor may detect if the iron is in its horizontal position or in an upright position.
  • the auto switch-off unit comprises a ball sensor configured for detecting movements and orientation of the iron.
  • a ball sensor is capable of detecting both movements and orientation of the iron.
  • the heating element is powered off after a first period of inactivity and remains in the power-down state until a further movement of the iron is detected.
  • the iron is in a horizontal orientation, it is particularly important to quickly shut down the power supply, in order to prevent damage to the clothing.
  • the heating element is powered off after a second period of inactivity and remains in the power-down state until it is detected that the iron is moved or that the user grips the iron, with the second interval being larger than the first interval.
  • the second interval may for example be in the range of minutes.
  • the switch element is a relay.
  • a relay is characterised by a robust and reliable switching behaviour. Further preferably, the switch element is a power semiconductor.
  • the heating phases comprise an initial heating phase after power on of the iron and subsequent heating phases.
  • the iron comprises an auto switch-off unit, wherein the heating phases of the heating element comprise at least one of an initial heating phase that takes place when the iron is powered on and a subsequent heating phase that takes place when the heating element is powered up after being powered off during a period of inactivity. For example, during the period of inactivity, the iron may cool down. When the iron is heated up again, temperature overshoots are likely to occur. Accordingly, one or more power interruption intervals should be included into the heating phase.
  • the switch element is connected in series with the thermostat unit. Thus, the switch element can power down the heating element during the one or more power interruption intervals.
  • the one or more power interruption intervals are configured for reducing or suppressing temperature overshoots that are due to the soleplate's thermal inertia during the at least one selected heating phase. By reducing thermal overshoots, damages to the garments can be avoided.
  • an equilibration of the soleplate's temperature is effected.
  • the temperature equilibration stabilises the course of the temperature during the heating process.
  • the one or more power interruption intervals are configured to allow for a temperature equilibration in order to compensate for a thermal inertia of the soleplate.
  • the thermostat unit is a mechanical thermostat. Especially in case the temperature control is performed by a mechanical thermostat, temperature overshoots are likely to occur. By providing for a temperature equilibration, these overshoots can be reduced.
  • the thermostat unit comprises a bimetal element configured for controlling the heating phases and the non-heating phases of the heating element.
  • the iron is a dry iron or a steam iron or a motor steam iron or an iron connected to a steam station.
  • the iron is a one-temperature device configured for operating at one single target temperature.
  • the one or more power interruptions allow for a more accurate heating process.
  • the iron comprises a temperature dial for selecting a desired target temperature. Also in irons with a range of possible target temperatures, an improvement of the heating process is accomplished.
  • the iron comprises a heating lamp and wherein the control unit is configured for enforcing a single interruption interval at the end of a selected heating phase.
  • the control unit is configured for enforcing a single interruption interval at the end of a selected heating phase.
  • the control unit is configured for enforcing a single interruption interval at the end of a selected heating phase.
  • the iron comprises a heating lamp and wherein the time pattern of the power interruption intervals are chosen such that there is a single power interruption interval at the end of a selected heating phase.
  • the iron comprises an auto switch-off unit, wherein in case a subsequent heating phase is performed after a preceding deactivation phase initiated by the auto switch-off unit, the control unit is configured for mapping a duration of the preceding deactivation phase into a time pattern for the one or more power interruption intervals during a subsequent heating phase. Further preferably, the iron comprises an auto switch-off unit, the control unit being configured for mapping a duration of a deactivation phase of the heating element into a time pattern for the one or more power interruption intervals of a subsequent heating phase. Preferably, the longer the deactivation phase is, the later the at least one power interruption interval during a subsequent heating phase will occur.
  • Figure 1 shows a cross section of a steam iron 1, the steam iron 1 comprising a soleplate 2, a housing 3, a handle 4 and a power supply 5.
  • the steam iron 1 For heating up the soleplate 2 to a desired temperature, the steam iron 1 comprises a heating element 6 that is thermally coupled with the soleplate 2.
  • the steam iron 1 further comprises a steam chamber 7 arranged above the soleplate 2 and a water tank 8 located above the steam chamber 7.
  • the water tank 8 may contain a volume of water 9 and is adapted for supplying a flow of water to the steam chamber 7 via a water dosage device 10.
  • the water is evaporated, and steam is ejected at a plurality of steam outlet ports 11 located in the soleplate 2.
  • the steam iron 1 is equipped with a thermostat unit 12 that provides a thermostatic control of the operation of heating element 6.
  • the thermostat unit 12 is configured for controlling the heating operation of the heating element 6.
  • the thermostat unit 12 is a mechanical thermostat unit.
  • heating phases alternate with non-heating phases, in order to maintain the soleplate 2's temperature in the vicinity of a desired target temperature.
  • the thermostat unit 12 may for example comprise a bimetal element, with the bimetal element's deformation depending on the temperature of the soleplate 2. If the temperature of the soleplate 2 drops below a predefined threshold, the bimetal element activates the heating element 6. As soon as a certain upper temperature is reached, the heating element 6 is switched off by the bimetal element.
  • the steam iron 1 shown in figure 1 further comprises an auto switch-off unit 13 configured for powering down the heating element 6 in case the steam iron 1 is not moved or gripped during a predefined period of time.
  • the auto switch-off function improves the safety of the steam iron 1's operation, because the steam iron 1 is automatically powered-off when it is not used anymore, thus avoiding safety hazards.
  • the auto switch-off function may also be referred to as a SensorSecure function of the iron.
  • the auto switch-off unit 13 comprises a switch element 14 connected in series with the thermostat unit 12.
  • the switching operation of the switch element 14 is controlled by a control unit 15.
  • the control unit 15 is implemented as a programmable timer unit.
  • a sensor 16 is connected to the control unit 15, with the sensor signals generated by the sensor 16 being evaluated by the control unit 15. In case the control unit 15 detects that the iron 1 has not been moved or gripped for a period of time that exceeds a predefined threshold, the control unit 15 will control the switch element 14 in a way that the power supply of the heating element 6 is interrupted.
  • the sensor 16 may be realised as a motion sensor adapted for detecting movements of the iron 1.
  • the sensor 16 may be realised as a touch sensitive sensor configured for detecting whether or not the user touches or grips the iron.
  • the sensor 16 may also be configured for additionally detecting an orientation of the iron 1.
  • the sensor 16 may detect if the iron 1 and the iron 1's soleplate 2 are in a horizontal position or in an upright position. In case the soleplate 2 is in a horizontal position, the iron 1 should be switched off quickly, and for this reason, the threshold time is set to a comparatively short threshold time of for example 30 seconds. In case the iron 1 and the soleplate 2 are in an upright position, the situation is less critical.
  • the time threshold for powering down the iron 1 is set to a comparatively large value, for example to 8 minutes.
  • a sensor 16 for detecting both motion and orientation of the iron 1 may for example be realised as a bail sensor comprising a bail that is movably accommodated in a cage. By detecting a displacement of the ball relative to the cage, motion and orientation of the iron 1 can be detected.
  • a steam iron 1 is shown.
  • embodiments of the present invention are not limited to a steam iron, but may also be applied to a dry iron, to a motor steam iron or to an iron connected to a steam station.
  • the iron may either be a one-temperature device configured for bringing the soleplate to a predetermined target temperature, but embodiments of the present invention may also relate to an iron comprising a temperature dial for selecting a desired target temperature, whereby the selection may for example depend on the type of garment to be ironed.
  • FIG 2 shows the temperature (in °C) of the soleplate as a function of time (in minutes) during a heating phase of the iron.
  • the heating curve 17 relates to an iron comprising an electronic thermostat, whereas the heating curve 18 has been acquired for an iron equipped with a mechanical thermostat, for example a thermostat of the bimetal type. Both the heating curve 17 and the heating curve 18 start at a temperature of about 20°C and show the initial heating phase that takes place when the iron is plugged in. In the temperature curve 18 controlled by a mechanical thermostat there is a temperature overshoot 19 after the initial heating phase, with the temperature of this overshoot (about 240°C) being considerably higher than the stabilised temperature of about 190°C.
  • This temperature overshoot 19 is due to the thermal inertia of the soleplate 2, with said thermal inertia depending on the mass distribution of the soleplate 2.
  • the soleplate 2 When the soleplate 2 is heated up, it takes a while until a temperature equilibration is accomplished, and for this reason, the heating element 6 continues heating during the overshoot 19 until it is switched off by the thermostat unit 12.
  • these temperature overshoots may cause problems, because the temperature peak may lead to irreversible marks, garment hardening, shrinking or burns. Therefore, it would be desirable to reduce or even eliminate the temperature overshoot 19.
  • the temperature is stabilised, but the temperature variations of the curve 18 are still higher than in the corresponding heating curve 17 related to an electronic thermostat.
  • the graph In the heating curve 18, the graph is not flat, but has a cutting saw shape.
  • the heating curve 17 has been acquired for an iron where the temperature control is done by an electronic thermostat.
  • the electronic thermostat comprises a temperature sensor that gives information to an electronic control unit. From the heating curve 17, it can be seen that there is no temperature overshoot. As soon as the temperature is stabilised, the temperature variation is very low and the graph is quite flat.
  • Using an electronic control there is a nearly constant flow of temperature information between the temperature sensor and the electronics and it is therefore possible to control these overshoots by implementing a dedicated logic in the electronics. With a mechanical thermostat, on the contrary, there is no option to inform the electronics about the progression of temperature. Hence, there is a need to reduce or avoid thermal overshoots.
  • a modified heating curve 20 is shown as a function of time, the modified heating curve 20 comprising at least one power interruption interval 21.
  • the original heating curve 22 with the overshoot 23 is indicated with dotted lines.
  • the overshoot 24 of the modified heating curve 20 is considerably reduced relative the original overshoot 23, with the maximum temperature being about 210°C.
  • the maximum temperature being about 210°C.
  • the power interruption takes place during the power interruption interval 21 with a delay of 26 seconds relative to the start of the heating phase.
  • the length of the power interruption interval 21 is set to 10 seconds.
  • the duration of the power interruption interval is considerably shorter than the duration of the heating phase.
  • the power interruption takes place during a comparatively small sub-interval of the heating phase, with the length of the power interruption interval being for example less than one third of the duration of the heating phase, or less than one fourth of the duration of the heating phase, or less than one fifth of the duration of the heating phase.
  • the components of the auto switch-off unit 13 shown in figure 1 are utilised.
  • the control unit 15 and the switch element 14 can be utilised for realising an auto switch-off functionality and for enforcing a power down of the heating element 6 during the one or more power interruption intervals 21.
  • the switch element 14 is connected in series with the thermostat unit 12 and is capable of disrupting the power supply to the heating element 6.
  • the switch element 14 may for example be realized as a relay.
  • the control unit 15 can be implemented as a programmable timer unit that is responsible both for performing the auto switch-off function and for controlling the switch element 14 in a way that power of the heating element 6 is switched off during the one or more power interruption intervals 21.
  • timing parameters defining the time pattern of the one or more power interruption intervals 21 may be stored in the control unit 15.
  • a respective time delay relative to the on-set of the heating phase and a respective duration of the power interruption interval may be stored.
  • FIG. 4 shows a set-up comprising a dedicated control circuit configured for enforcing the one or more power interruption intervals.
  • the set-up in figure 4 comprises a power supply 27, a heating element 28, a thermostat unit 29 and a dedicated control circuit 30 configured for shutting off the power supply to the heating element 28 during the one or more power interruption intervals.
  • the dedicated control circuit 30 comprises a switch element 31 and a control unit 32 configured for controlling the switching of the switch element 31.
  • the control unit 32 may for example be implemented as a programmable timer unit.
  • timing parameters defining the time pattern of the one or more power interruption intervals may be stored. For example, for each of the one or more power interruption intervals, a respective delay time and a respective duration of the interruption interval may be stored.
  • the iron 1 may for example comprise a heating lamp connected in parallel to the heating element 6 or to the heating element 28.
  • a unique power interruption interval 21 that is disposed as close as possible to the heating lamp's shut-down, i.e. as close as possible to the end of the heating phase.
  • the power interruption interval should be arranged at the end of the heating phase. As shown in figure 3 , the result is that the heating lamp is powered off earlier. Instead of being powered off at the point of time 33, the heating lamp is already powered off at the modified point of time 34. Accordingly, a switch-off of the heating lamp still indicates to the user that the appliance is ready to be used.
  • the heating phase should only comprise one power interruption interval that is disposed close to the end of the heating phase.
  • the time pattern for the one or more power interruption intervals could be individually chosen for a respective device.
  • the different mass and temperature distribution of a soleplate, the presence or absence of the heating lamp, the presence or absence of an anti-drip disk, etc. would define how to interrupt the power via electronics to avoid the temperature overshoots.
  • FIG 3 it has been shown how temperature overshoots of the soleplate's initial heating phase can be reduced. But the problem of temperature overshoots may also occur in case the device is powered down by the auto switch-off function or Sensor Secure function because it is not moved or gripped for a certain period of time. Then, the user may move the iron or grip the iron and initiate a subsequent heating phase of the heating element. During the period of inactivity, the soleplate may have cooled down considerably. Hence, when the soleplate is heated up again, temperature overshoots may occur during the subsequent heating phase. Also in this case, the proposed solution is that power interruption intervals are included in the subsequent heating phase in order to reduce or even eliminate the temperature overshoots.
  • Figure 5 shows a temperature curve 35 indicating the soleplate 2's temperature (in °C) as a function of time, with the temperature curve 35 comprising a cooling phase 36 and a subsequent heating phase 37.
  • the heating element is powered down by the auto switch-off function after a period of inactivity.
  • the switch element 14 of the auto switch-off unit 13 is powered off at the point of time 38 and remains in the switched-off state during the cooling interval 39.
  • the user moves the iron or grips the iron 1.
  • the control unit 15 detects this event by evaluating the signals of the sensor 16 and switches on the switch element 14, as indicated in the lower part of figure 5 .
  • the subsequent heating phase 37 is initiated.
  • the cooling phase 36 may have been quite long, for example in the range of 30 minutes
  • the soleplate 2 may have cooled down considerably when the subsequent heating phase 37 starts. Accordingly, during the subsequent heating phase 37, temperature overshoots may occur as well.
  • one or more power interruptions 41 could also be included into the subsequent heating phase 37 in order to minimise the temperature overshoots.
  • a power interruption interval 41 that occurs during the subsequent heating phase 37 is depicted, with the heating element 6 being powered down during the power interruption interval 41.
  • the power interruption may be performed with a time delay of 20 seconds after the start of the subsequent heating phase 37 and the power interruption interval 41 may have a length of for example 10 seconds.
  • the timing parameters of the one or more power interruption intervals that occur during the subsequent heating phase are chosen in dependence on the preceding cooling phase 36.
  • the delay time of the power interruption interval 41 is chosen in dependence on the duration of the preceding cooling interval 39. The longer the cooling interval 39, the longer the delay time will be, whereas the duration of the power interruption interval 41 is always kept at ten seconds.
  • Figure 6 shows a mapping table for translating the length of the cooling interval into a corresponding delay time for the power interruption interval.
  • the first column indicates the length of the cooling interval 39
  • the second column indicates the corresponding delay time in seconds for the timing of the power interruption interval 41.
  • the length of the power interruption interval 41 is constantly kept at 10 seconds, no matter how long the preceding cooling interval 39 has been. From the entry 42 in the table of figure 6 , it can be seen that for a length of the cooling interval 39 in the range between 26.5 minutes and 30.5 minutes, the delay time between the start of the heating phase 37 and the power interruption interval 41 is twenty seconds. This corresponds to the time pattern shown in figure 5 .
  • the delay time is varied in dependence on the preceding cooling interval 39 while the length of the power interruption interval 41 is kept constant.
  • the length of the power interruption interval may be varied in dependence on the preceding course of the heating process as well.
  • both the delay time and the length of the power interruption interval or only the length of the power interruption interval may be varied in dependence on the preceding course of the heating process, for example in dependence on the length of the cooling interval 39.

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  • Textile Engineering (AREA)
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Claims (12)

  1. Bügeleisen (1), umfassend:
    eine Sohlenplatte (2),
    ein Heizelement (6, 28), welches mit der Sohlenplatte (2) thermisch gekoppelt ist,
    eine Thermostateinheit (12, 29), welche zum Steuern eines Betriebs des Heizelements (6, 28) ausgebildet ist, wobei die
    Thermostateinheit (12, 29) zum alternierenden Bewirken von Heizphasen und Nicht-Heizphasen des Heizelements (6, 28) ausgebildet ist,
    ein Schaltelement (14, 31), mit dem eine Leistungsversorgung des Heizelements (6, 28) schaltbar ist,
    eine Steuereinheit (15, 32), mit der eine Schaltoperation des Schaltelements (14, 31) steuerbar ist,
    wobei die Steuereinheit (15, 32) ausgebildet ist zum Zuordnen eines jeweiligenZeitmusters, welches ein oder mehrere Leistungsunterbrechungsintervalle (21, 41) definiert, zu mindestens einer selektierten Heizphase der Heizphasen, wobei das Schaltelement (14, 31) ausgebildet ist zum Unterbrechen der Leistungsversorgung des Heizelements (6, 28) während des einen oder der mehreren Leistungsunterbrechungsintervalle (21, 41) gemäß dem jeweiligen Zeitmuster;
    dadurch gekennzeichnet, dass das Bügeleisen (1) ferner eine Auto-Abschalt-Einheit (13) umfasst, welche zum Abschalten der Leistungsversorgung des Heizelements (6, 28) ausgebildet ist, für den Fall, dass das Bügeleisen (1) während eines vorbestimmten Zeitabschnitts nicht bewegt oder ergriffen wird;
    wobei die Steuereinheit (15, 32) und das Schaltelement (14, 31) Teil der Auto-Abschalt-Einheit (13) sind;
    wobei das Schaltelement (14, 31) mit der Thermostateinheit (12, 29) in Reihe geschaltet ist;
    wobei die Auto-Abschalt-Einheit (13) ferner einen Sensor (16) umfasst, welcher mit der Steuereinheit (15) verbunden ist derart, dass die von dem Sensor (16) erzeugten Sensorsignale von der Steuereinheit (15) ausgewertet werden, und
    wobei die Thermostateinheit (12, 29) ein mechanischer Thermostat ist.
  2. Bügeleisen (1) nach Anspruch 1, wobei das jeweilige Zeitmuster, welches das eine oder die mehreren Leistungsunterbrechungsintervalle (21, 41) definiert, durch einen oder mehrere Timing-Parameter spezifiziert ist.
  3. Bügeleisen (1) nach Anspruch 2, wobei die Timing-Parameter für das eine oder die mehreren Leistungsunterbrechungsintervalle (21, 41) einer selektierten Heizphase mindestens eines von Folgendem umfassen:
    eine Verzögerungszeit (25), welche eine Zeitverzögerung zwischen einem Einsetzen der selektierten Heizphase und einem Start des Leistungsunterbrechungsintervalls (21, 41) in der Heizphase spezifiziert,
    eine Länge des Leistungsunterbrechungsintervalls (21, 41);
    wobei die Timing-Parameter die jeweilige Position und Dauer des einen oder der mehreren Leistungsunterbrechungsintervalle (21, 41) spezifizieren.
  4. Bügeleisen (1) nach Anspruch 2 oder Anspruch 3, wobei das eine oder die mehreren Leistungsunterbrechungsintervalle (21, 41) von der Steuereinheit (15, 32) gemäß Timing-Parametern erzwungen werden, welche in Abhängigkeit von einem vorausgehenden Verlauf des Heizprozesses gewählt sind.
  5. Bügeleisen (1) nach einem der Ansprüche 1 bis 4, wobei das eine oder die mehreren Leistungsunterbrechungsintervalle (21, 41) einer selektierten Heizphase Teil der selektierten Heizphase sind.
  6. Bügeleisen (1) nach einem der Ansprüche 1 bis 5, wobei die Heizphasen des Heizelements (6, 28) mindestens eines von Folgendem umfassen:
    eine anfängliche Heizphase, welche stattfindet, wenn das Bügeleisen (1) eingeschaltet wird,
    eine nachfolgende Heizphase (37), welche stattfindet, wenn das Heizelement (6, 28) - nachdem es während eines Zeitabschnitts der Inaktivität abgeschaltet war - wieder eingeschaltet wird.
  7. Bügeleisen (1) nach einem der Ansprüche 1 bis 6, wobei die Thermostateinheit (12, 29) ein Bimetallelement umfasst, welches zum Steuern der Heizphasen und der Nicht-Heizphasen des Heizelements (6, 28) ausgebildet ist.
  8. Bügeleisen (1) nach einem der Ansprüche 1 bis 7, wobei das Bügeleisen (1) eine Ein-Temperatur-Vorrichtung ist, welche dazu ausgebildet ist, bei einer einzigen Zieltemperatur zu arbeiten.
  9. Bügeleisen (1) nach Anspruch 1, wobei der Sensor (16) ein Bewegungssensor ist, über den Bewegungen des Bügeleisens (1) detektierbar sind.
  10. Bügeleisen (1) nach Anspruch 1, wobei der Sensor (16) ein berührungsempfindlicher Sensor ist, über den detektierbar ist, ob oder ob nicht der Benutzer das Bügeleisen (1) berührt oder ergreift.
  11. Bügeleisen (1) nach Anspruch 9 oder Anspruch 10, wobei über den Sensor (16) ferner eine Orientierung des Bügeleisens (1) detektierbar ist.
  12. Verfahren zum Betreiben eines Heizelements (6, 28) eines Bügeleisens (1) nach einem der Ansprüche 1 bis 11, das Verfahren umfassend die Schritte:
    Beheizen der Sohlenplatte (2) gemäß alternierenden Heizphasen und Nicht-Heizphasen, gesteuert von der Thermostateinheit (12, 29),
    Bestimmen eines jeweiligen Zeitmusters, welches ein oder mehrere Leistungsunterbrechungsintervalle (21, 41) definiert, für mindestens eine selektierte Heizphase der Heizphasen, Unterbrechen einer Leistungsversorgung des Heizelements (6, 28) während des einen oder der mehreren Leistungsunterbrechungsintervalle (21, 41) gemäß dem jeweiligen Zeitmuster.
EP18172428.7A 2017-05-31 2018-05-15 Heizungsregelung und verfahren einer heizungsregelung mit reduzierten temperaturüberschreitungen für ein bügeleisen Active EP3409828B2 (de)

Priority Applications (1)

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PL18172428.7T PL3409828T5 (pl) 2017-05-31 2018-05-15 Sterowanie nagrzewaniem dla żelazka, ze zredukowanymi przebiciami temperatury oraz odpowiedni sposób

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201730751A ES2692366A1 (es) 2017-05-31 2017-05-31 Control del calentamiento con reducción de los picos de exceso de temperatura para una plancha
DE102017217324.6A DE102017217324B4 (de) 2017-05-31 2017-09-28 Heizsteuerung mit reduzierten Temperaturüberschreitungen für ein Bügeleisen

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Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2409420A (en) * 1942-03-26 1946-10-15 Westinghouse Electric Corp Heating appliance
US4661685A (en) 1985-09-06 1987-04-28 John Zink Company Electronic pressing iron
US4812625A (en) 1987-09-30 1989-03-14 Food Automation-Service Techniques, Inc. Temperature control system for cooking apparatus
JP2970203B2 (ja) 1992-04-30 1999-11-02 松下電器産業株式会社 アイロン
US5595672A (en) 1994-05-19 1997-01-21 Pentalpha Enterprises Ltd. Automatic power interrupting apparatus for an electric appliance
JPH10502768A (ja) 1995-04-25 1998-03-10 フィリップス エレクトロニクス ネムローゼ フェンノートシャツプ 電気加熱機器用の自動遮断及び指示装置並びにそのような装置を有する電気アイロン
DE202010000152U1 (de) 2010-02-09 2010-06-02 Finkenzeller, Andreas Automatische Bügeleisenabschaltvorrichtung
ES2398173B1 (es) 2010-07-21 2014-01-21 Bsh Electrodomesticos España S.A. Aparato calentable electricamente, y procedimiento para el control de tal aparato
EP2655727B1 (de) 2010-12-23 2014-11-05 Koninklijke Philips N.V. Dampfbügelvorrichtung
EP3277879B1 (de) 2015-03-30 2019-07-24 Koninklijke Philips N.V. Bügelgerät mit mitteln zur steuerung der heizleistung

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