EP3418441A1 - Verfahren und vorrichtung zum dosieren von wasser in einer dampfkammer - Google Patents

Verfahren und vorrichtung zum dosieren von wasser in einer dampfkammer Download PDF

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Publication number
EP3418441A1
EP3418441A1 EP17176854.2A EP17176854A EP3418441A1 EP 3418441 A1 EP3418441 A1 EP 3418441A1 EP 17176854 A EP17176854 A EP 17176854A EP 3418441 A1 EP3418441 A1 EP 3418441A1
Authority
EP
European Patent Office
Prior art keywords
values
duration
flow rate
range
previous
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.)
Withdrawn
Application number
EP17176854.2A
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English (en)
French (fr)
Inventor
Sivakami ANNAMALAI
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips NV
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 Koninklijke Philips NV filed Critical Koninklijke Philips NV
Priority to EP17176854.2A priority Critical patent/EP3418441A1/de
Priority to EP18730751.7A priority patent/EP3642407B1/de
Priority to CN201880041136.3A priority patent/CN110785522B/zh
Priority to RU2020102082A priority patent/RU2762250C2/ru
Priority to PCT/EP2018/065271 priority patent/WO2018234072A1/en
Publication of EP3418441A1 publication Critical patent/EP3418441A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • D06F75/10—Hand irons internally heated by electricity with means for supplying steam to the article being ironed
    • D06F75/14—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water in a reservoir carried by the iron
    • D06F75/18—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water in a reservoir carried by the iron the water being fed slowly, e.g. drop by drop, from the reservoir to a steam generator
    • 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
    • D06F75/10—Hand irons internally heated by electricity with means for supplying steam to the article being ironed
    • D06F75/12—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water supplied to the iron from an external source
    • 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
    • D06F75/10—Hand irons internally heated by electricity with means for supplying steam to the article being ironed
    • D06F75/14—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water in a reservoir carried by the iron

Definitions

  • the invention relates to a method and device for dosing water in a steam chamber.
  • the invention may be used in the field of garment care.
  • the ironing steam rates for such irons are rather low in view that limited water is dosed into the steam chamber to avoid water accumulation and splashing in steam chamber.
  • Another type of device comprises a base connected to an iron via a hose.
  • a trigger When user wants steam to be generated by the device, user activates a trigger so that water is pumped into the steam chamber of the iron by an electrical water pump.
  • Many of such systems are provided with an external base containing the water reservoir and the water pump. Water is thus carried from the base to the iron via the hose.
  • water reservoir and pump can be arranged in the iron housing itself in case the device is a handheld device.
  • the iron has a relatively limited thermal mass, resulting in that the steam chamber of the iron quickly loses energy when water is dosed into, in particular if water flow rate is relatively high.
  • the steaming is thus quickly and significantly decreased over time because the steam chamber in the iron cannot maintain a sufficiently high temperature to allow water to evaporate quickly.
  • the method according to the invention is about controlling a garment care device, the garment care device comprising a steam chamber, a water pump, and a user trigger means to activate the water pump for dosing water in the steam chamber.
  • the method comprises the steps of:
  • This solution allows maximizing the water flow rate dosed into the steam chamber, by taking into account how the steam chamber has been used in the past, such as taking into account how much thermal energy has been accumulated in the steam chamber during a previous non-steaming period, and how much thermal energy has been dissipated by the steam chamber during a previous steaming period.
  • this solution allows obtaining a high steam generation repeatedly, and obtaining consistent steam generation every time steam is generated.
  • the invention also relates to a device comprising means to implement above method.
  • the invention also relates to a computer program comprising code instructions for carrying out the steps of the above method.
  • Fig.1 depicts a high level flow chart of the method according to the invention.
  • the method is about controlling a garment care device comprising a steam chamber, a water pump, and a user trigger means to activate the water pump for dosing water in the steam chamber.
  • the method comprises the steps of:
  • the user trigger means corresponds to an electromechanical switch, a digital switch, or a touch-sensitive key arranged on the garment care device.
  • Fig.2 illustrates an example of the actuation/deactivation of a user trigger means along the time according to the invention.
  • the actuation/deactivation of the user trigger means is represented by two states:
  • Instant t0 corresponds to the current time user actuates again the user trigger means with the goal that the device generates steam.
  • the previous OFF duration during which the user trigger means was not activated for the previous time is illustrated by the duration d OFF.
  • the previous ON duration during which the user trigger means was activated for the previous time is illustrated by the duration d_ON.
  • the method according to the invention aims to determine the water flow rate for the water pump starting from the current time t0.
  • Fig.3 depicts a more detailed flow chart of the method according to the invention. This flow chart further details what is performed in the step of determining 101 of Fig.1 .
  • the step of determining (101) comprises a step of comparing (301) the previous OFF duration (d_OFF) to a first duration threshold (THE1).
  • conditional check on the previous ON duration (d_ON) is illustrated by the decision block 303.
  • the values in the first range of values (R1) are larger than values in the second range of values (R2).
  • Fig.4 depicts a flow chart of the method according to the invention according to a preferred mode. This flow chart is based on the flow chart of Fig.3 . In addition to the flow chart of Fig.3 , it is planned that if the previous OFF duration (d_OFF) is larger than said first duration threshold (TH1), there is a step of associating (401) to the water flow rate a value selected in the first range of values (R1).
  • conditional check on the previous OFF duration (d_OFF) is illustrated by the decision block 402.
  • the user trigger means is continuously activated, and if the previous OFF duration (d_OFF) is larger than the first duration threshold (TH1), there is a step of associating (601) to the water flow rate a value selected in the first range of values (R1) for a first duration (D1) which is at the maximum equal to said second duration threshold (TH2).
  • the step of associating (601) is not illustrated in the figures.
  • the user trigger means is continuously activated, and if the previous ON duration (d_ON) is shorter than said second duration threshold (TH2), associating (602) to the water flow rate a value selected in the first range of values (R1) for a second duration (D2) which is at the maximum equal to the difference between said second duration threshold (TH2) and said previous ON duration (d_ON).
  • the step of associating (602) is not illustrated on a flow chart.
  • the user trigger means is continuously activated, and if said first duration (D1) has elapsed or said second duration (D2) has elapsed, there is a step of associating (603) to the water flow rate a value selected in a third range of values (R3).
  • the step of associating (603) is not illustrated on a flow chart.
  • the values in the third range of values (R3) are smaller than values in the second range of values (R2).
  • step 603 if the user trigger means is continuously activated after the method has entered in step 603, and after the water pump has been actuated with values of flow rate from said third range of values (R3) for more than a predetermined third duration (D3), there is a step of associating (604) to the water flow rate a value selected in the second range of values (R2).
  • the step of associating (604) is not illustrated on a flow chart.
  • the third range of values (R3) has null values. This means that the water pump is stopped.
  • Table 1a is an example of a table linking values of water flow rate to be associated to the water pump, sorted along the time.
  • Table 1a T1 to T2 T2 to T3 T3 to T4 T4 to T5 T5 to T6 T6 to T7 T7 to T8 T8 to T9 T9 to T10 ...
  • R1_X6 R1_X6 R1_X6 R1_X7 R1_X8 R3_X6 R3_X6 R2_X6 R2_X6 R2_X7
  • R1_Xi is a value of a water flow rate in the first range of values (R1). In this example, index i equals 6, 7 or 8. For example, R1_Xi has value in the range [80 g/mn; 200 g/mn].
  • R2_Xi is a value of a water flow rate in the second range of values (R2).
  • index i equals 6 or 7.
  • R2_Xi has value in the range [20 g/mn; 79 g/mn].
  • R3_Xi is a value of a water flow rate in the third range of values (R3).
  • index equals 6.
  • R3_Xi has value in the range [0 g/mn; 19 g/mn].
  • T(i+1) - T(i) corresponds to a time duration during which a certain value is associated to the water flow rate.
  • the difference T(i+1) - T(i) is equal to 1 second.
  • the first range of values (R1), the second range of values (R2), and the third range of values (R3) are thus arranged in tables containing values of water flow rate sorted along the time.
  • the values of water flow rate are decreasing when the time is incrementing.
  • R1_X6 is larger than R1_X7
  • R2_X6 is larger than R2_X7.
  • the values of water flow rate are kept constant when the time is incrementing.
  • the values of water flow rate are increasing when the time is incrementing.
  • the previous OFF duration (d_OFF) is compared to the first duration threshold TH1.
  • the water pump is associated with water flow rate R1_X8 during time interval T5 and T6, the water flow rate is associated to value R3_X6.
  • Table 2a T1 to T2 T2 to T3 T3 to T4 T4 to T5 T5 to T6 T6 to T7 T7 to T8 T8 to T9 T9 to T10 ... 200 200 200 180 160 20 20 80 80 40
  • Table 3a is an example of a sequence on how values are associated to the water flow rate along the time after user has initially activated the user trigger means and if the user continuously activates the user trigger means. The associated values are underlined. Table 3a T1 to T2 T2 to T3 T3 to T4 T4 to T5 T5 to T6 T6 to T7 T7 to T8 T8 to T9 T9 to T10 ... 200 200 200 180 160 20 20 80 80 40
  • Table 4a is an example of a sequence on how values are associated to the water flow rate along the time after user has initially activated the user trigger means and if the user continuously activates the user trigger means. The associated values are underlined. Table 4a T1 to T2 T2 to T3 T3 to T4 T4 to T5 T5 to T6 T6 to T7 T7 to T8 T8 to T9 T9 to T10 ... 200 200 200 180 160 20 20 80 80 40
  • Table 5a is an example of a sequence on how values are associated to the water flow rate along the time after user has initially activated the user trigger means and if the user continuously activates the user trigger means. The associated values are underlined. Table 5a T1 to T2 T2 to T3 T3 to T4 T4 to T5 T5 to T6 T6 to T7 T7 to T8 T8 to T9 T9 to T10 ... 200 200 200 180 160 20 20 80 80 40
  • the step of determining (101) is further based on the current temperature of the steam chamber.
  • Table 1b is an example of look-up table linking the temperature of the steam chamber with values of water flow rate to be associated to the water pump, sorted along the time.
  • Table 1b T1 to T2 T2 to T3 T3 to T4 T4 to T5 T5 to T6 T6 to T7 T7 to T8 T8 to T9 T9 to T10 ...
  • R1_Xi is a value of a water flow rate in the first range of values (R1).
  • index i equals 1, 2, 3, 4 or 5.
  • R1_Xi has value in the range [80 g/mn; 200 g/mn].
  • R2_Xi is a value of a water flow rate in the second range of values (R2).
  • index i equals 1, 2, or 3.
  • R2_Xi has value in the range [20 g/mn; 79 g/mn].
  • R3_Xi is a value of a water flow rate in the third range of values (R3).
  • index i equals 1 or 2.
  • R3_Xi has value in the range [0 g/mn; 19 g/mn].
  • Temp_i is a given temperature corresponding to the current temperature of the steam chamber.
  • Temp_i is a given range of temperature in which the current temperature of the steam chamber is situated.
  • index i equals 1, 2, 3 or 4.
  • Temp_(i+1) is smaller than Temp_(i).
  • T(i+1) - T(i) corresponds to a time duration during which a certain value is associated to the water flow rate, depending on the temperature (or temperature range) measured for the steam chamber.
  • the difference T(i+1) - T(i) is equal to 1 second.
  • the first range of values (R1), the second range of values (R2), and the third range of values (R3) are thus arranged in look-up tables linking the temperature of the steam chamber with values of water flow rate sorted along the time.
  • the values of water flow rate are decreasing when the time is incrementing.
  • R1_X1 is larger than R1_X2
  • R2_X1 is larger than R2_X2
  • R3_X1 is larger than R3_X2.
  • the values of water flow rate are kept constant when the time is incrementing.
  • the values of water flow rate are increasing when the time is incrementing.
  • the values of water flow rate are decreasing when the temperature of the steam chamber is decreasing.
  • the values of water flow rate are kept constant when the temperature of the steam chamber is decreasing.
  • the previous OFF duration (d_OFF) is compared to the first duration threshold TH1.
  • the water pump is associated with water flow rate R1_X5 during time interval T5 and T6, with a temperature of the steam chamber Temp_(3), the water flow rate is associated to value R3_X1, assuming temperature of the steam chamber at the beginning of T6 is still Temp_(3).
  • Table 2b T1 to T2 T2 to T3 T3 to T4 T4 to T5 T5 to T6 T6 to T7 T7 to T8 T8 to T9 T9 to T10 ... 181-250 degrees 200 200 200 180 160 20 20 80 80 40 141-180 degrees 200 200 180 180 160 20 20 60 60 40 121-140 degrees 180 160 160 140 100 20 0 60 60 40 100-120 degrees 180 160 140 140 100 0 0 40 40 40 40
  • Table 3b is an example of a sequence on how values are associated to the water flow rate along the time after user has initially activated the user trigger means and if the user continuously activates the user trigger means. The associated values are underlined. Table 3b T1 to T2 T2 to T3 T3 to T4 T4 to T5 T5 to T6 T6 to T7 T7 to T8 T8 to T9 T9 to T10 ... 181-250 degrees 200 200 200 180 160 20 20 80 80 40 141-180 degrees 200 200 180 180 160 20 20 60 60 40 121-140 degrees 180 160 160 140 100 20 0 60 60 40 100-120 degrees 180 160 140 140 100 0 0 40 40 40 40
  • Table 4b is an example of a sequence on how values are associated to the water flow rate along the time after user has initially activated the user trigger means and if the user continuously activates the user trigger means. The associated values are underlined. Table 4b T1 to T2 T2 to T3 T3 to T4 T4 to T5 T5 to T6 T6 to T7 T7 to T8 T8 to T9 T9 to T10 ... 181-250 degrees 200 200 200 180 160 20 20 80 80 40 141-180 degrees 200 200 180 180 160 20 20 60 60 40 121-140 degrees 180 160 160 140 100 20 0 60 60 40 100-120 degrees 180 160 140 140 100 0 0 40 40 40 40
  • Table 5b is an example of a sequence on how values are associated to the water flow rate along the time after user has initially activated the user trigger means and if the user continuously activates the user trigger means. The associated values are underlined. Table 5b T1 to T2 T2 to T3 T3 to T4 T4 to T5 T5 to T6 T6 to T7 T7 to T8 T8 to T9 T9 to T10 ... 181-250 degrees 200 200 200 180 160 20 20 80 80 40 141-180 degrees 200 200 180 180 160 20 20 60 60 40 121-140 degrees 180 160 160 140 100 20 0 60 60 40 100-120 degrees 180 160 140 140 100 0 0 40 40 40 40
  • Fig.5 depicts a garment care device 501 according to the invention.
  • the garment care device (501) comprises:
  • the invention also relates to computer program comprising code instructions for carrying out the steps of the method described above.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Irons (AREA)
EP17176854.2A 2017-06-20 2017-06-20 Verfahren und vorrichtung zum dosieren von wasser in einer dampfkammer Withdrawn EP3418441A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP17176854.2A EP3418441A1 (de) 2017-06-20 2017-06-20 Verfahren und vorrichtung zum dosieren von wasser in einer dampfkammer
EP18730751.7A EP3642407B1 (de) 2017-06-20 2018-06-11 Verfahren und vorrichtung zum dosieren von wasser in einer dampfkammer
CN201880041136.3A CN110785522B (zh) 2017-06-20 2018-06-11 用于在蒸汽室中加水的方法和设备
RU2020102082A RU2762250C2 (ru) 2017-06-20 2018-06-11 Способ и устройство для дозированной подачи воды в паровую камеру
PCT/EP2018/065271 WO2018234072A1 (en) 2017-06-20 2018-06-11 METHOD AND DEVICE FOR DETERMINING WATER IN A STEAM CHAMBER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17176854.2A EP3418441A1 (de) 2017-06-20 2017-06-20 Verfahren und vorrichtung zum dosieren von wasser in einer dampfkammer

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EP3418441A1 true EP3418441A1 (de) 2018-12-26

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EP17176854.2A Withdrawn EP3418441A1 (de) 2017-06-20 2017-06-20 Verfahren und vorrichtung zum dosieren von wasser in einer dampfkammer
EP18730751.7A Active EP3642407B1 (de) 2017-06-20 2018-06-11 Verfahren und vorrichtung zum dosieren von wasser in einer dampfkammer

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EP18730751.7A Active EP3642407B1 (de) 2017-06-20 2018-06-11 Verfahren und vorrichtung zum dosieren von wasser in einer dampfkammer

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CN (1) CN110785522B (de)
RU (1) RU2762250C2 (de)
WO (1) WO2018234072A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3575486B1 (de) 2018-05-31 2021-01-27 Seb S.A. Bügelgerät, das mit einem dampfsteuerorgan ausgestattet ist

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5010664A (en) * 1988-11-18 1991-04-30 Matsushita Electric Industrial Co., Ltd. Steam iron having a solenoid driven pump and heated evaporation chamber for providing steam and operable for further providing extra steam at specified intervals
WO2001055496A2 (en) * 2000-01-25 2001-08-02 Koninklijke Philips Electronics N.V. Steam iron
EP2952624A1 (de) * 2014-06-03 2015-12-09 Tsann Kuen (Zhangzhou) Enterprise Co., Ltd. Verfahren zur Steuerung eines Betriebes eines Dampfbügeleisens

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
ES2712909T3 (es) * 2005-07-29 2019-05-16 Koninklijke Philips Nv Dispositivo de planchado a vapor para generar una ráfaga de vapor
GB2456303A (en) * 2008-01-08 2009-07-15 Tunbow Electrical Ltd Steam iron with steam control
GB2484689A (en) * 2010-10-20 2012-04-25 Richards Morphy N I Ltd Hand iron cooling
BR112013015661B1 (pt) * 2010-12-23 2020-11-17 Koninklijke Philips N.V. Dispositivo de passar roupaa vapor
JP6508839B2 (ja) * 2014-03-31 2019-05-08 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 蒸気生成器を含む装置及び該装置を制御する方法
FR3040402B1 (fr) * 2015-08-27 2017-08-11 Seb Sa Appareil electromenager pour le traitement du linge a la vapeur comportant un bouton de commande de diffusion de la vapeur

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5010664A (en) * 1988-11-18 1991-04-30 Matsushita Electric Industrial Co., Ltd. Steam iron having a solenoid driven pump and heated evaporation chamber for providing steam and operable for further providing extra steam at specified intervals
WO2001055496A2 (en) * 2000-01-25 2001-08-02 Koninklijke Philips Electronics N.V. Steam iron
EP2952624A1 (de) * 2014-06-03 2015-12-09 Tsann Kuen (Zhangzhou) Enterprise Co., Ltd. Verfahren zur Steuerung eines Betriebes eines Dampfbügeleisens

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3575486B1 (de) 2018-05-31 2021-01-27 Seb S.A. Bügelgerät, das mit einem dampfsteuerorgan ausgestattet ist

Also Published As

Publication number Publication date
EP3642407A1 (de) 2020-04-29
CN110785522A (zh) 2020-02-11
RU2020102082A3 (de) 2021-10-11
EP3642407B1 (de) 2021-01-13
CN110785522B (zh) 2022-06-03
RU2020102082A (ru) 2021-07-20
WO2018234072A1 (en) 2018-12-27
RU2762250C2 (ru) 2021-12-17

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