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WO2018162211A1 - Dispositif de chauffage par induction de type à circulation - Google Patents

Dispositif de chauffage par induction de type à circulation Download PDF

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Publication number
WO2018162211A1
WO2018162211A1 PCT/EP2018/053992 EP2018053992W WO2018162211A1 WO 2018162211 A1 WO2018162211 A1 WO 2018162211A1 EP 2018053992 W EP2018053992 W EP 2018053992W WO 2018162211 A1 WO2018162211 A1 WO 2018162211A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
induction heater
heating element
delivery line
steam
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.)
Ceased
Application number
PCT/EP2018/053992
Other languages
English (en)
Inventor
Hilmi Volkan Demir
Veli Tayfun KILIC
Emre UNAL
Didem POLAT
Songul Bayraktar
Bulent Kucukcoskun
Mete UNLUSOY
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.)
Innovel Danismanlik Ve Imalat Sanayi
Arcelik AS
Original Assignee
Innovel Danismanlik Ve Imalat Sanayi
Arcelik AS
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 Innovel Danismanlik Ve Imalat Sanayi, Arcelik AS filed Critical Innovel Danismanlik Ve Imalat Sanayi
Publication of WO2018162211A1 publication Critical patent/WO2018162211A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/40—Steam generating arrangements
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4234—Steam generating arrangements
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4285—Water-heater 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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/04—Heating arrangements
    • 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
    • F22B1/282—Methods of steam generation characterised by form of heating method in boilers heated electrically with water or steam circulating in tubes or ducts

Definitions

  • the present invention relates to a flow-through type induction heater for use in washers such as dishwashers or washing machines and water heaters.
  • said induction heater should be designed to occupy at most the same amount of space as the conventional resistive heater and should enable the flowing water to be heated and/or steam to be generated by means of the inductive transfer of high density energy trapped in a small volume.
  • the dimensions of the induction heater should be increased, and said induction heater becomes unusable in washers such as dishwashers and washing machines and water heaters since said induction heater occupies too much space.
  • a washer such as a dishwasher and a washing machine is disclosed, wherein a flow-through type induction heater is used.
  • the aim of the present invention is the realization of a flow-through type induction heater suitable for use in washers such as dishwashers or washing machines and water heaters, wherein the heat transfer conditions are improved, the space occupied is decreased and the heating efficiency is increased.
  • the induction heater realized in order to attain the aim of the present invention is a flow-through type or in other words, a continuous type induction heater and suitable for use in washers such as dishwashers or washing machines that have a delivery line enabling the hot water or steam to be delivered onto the items to be washed-sterilized, in heating installations and various water heaters.
  • the induction heater of the present invention comprises a non-magnetic, thermally insulating cylindrical body that is connected to the delivery line and through which the water passes; an induction coil wound around the body, and a heating element preferably in the form of a tube with a cylindrical cross section, that is produced from a magnetic material, that has a flow channel passing through the central line thereof in the flow direction of water, that is a hollow cylinder, that is arranged concentrically in the body and that enables the water flowing through the body to be heated by generating heat with the magnetic energy generated by the induction coil.
  • the outer diameter of the heating element is smaller than the inner diameter of the body, and there is a gap between the outer surface of the heating element and the inner surface of the body.
  • the water flowing through the induction heater passes both through the flow channel at the center of the heating element and the gap surrounding the heating element, and the heating element heats the water flowing therethrough and thereover.
  • the inner diameter of the body and the outer diameter of the heating element are almost equal, the heating element is placed into the body without any gap therebetween, and the water passes only through the flow channel in the heating element.
  • the heating element consists of helical coils placed in the body and the flow channel is surrounded by the windings.
  • the heating element is placed into the body without any gap therebetween.
  • the heating element has a serrated form so as to increase the contact surface with the water that flows therethrough and/or thereover, and has protrusions extending longitudinally in the flowing direction of the water on the inner surface thereof surrounding the flow channel and/or outer surface thereof.
  • the induction heater is used in washers such as dishwashers and washing machines, in heating installations in houses and work places and in water heaters for heating the washing water and/or generating steam for sterilization according to the amount of current supplied by the power unit, and thus the heating efficiency is improved and the energy is saved by providing heat transfer in a small volume.
  • Figure 1 – is the schematic view of an induction heater.
  • Figure 2 - is the cross-sectional view of an induction heater in a preferred embodiment of the present invention.
  • Figure 3 - is the perspective view of the induction heater in Figure 2.
  • Figure 4 - is the perspective view of an induction heater comprising a heating element in helical form.
  • Figure 5 — is the cross-sectional view of an induction heater in an embodiment of the present invention.
  • Figure 6 — is the cross-sectional view of an induction heater in another embodiment of the present invention.
  • Figure 7 - is the schematic view of a dishwasher wherein the induction heater is used for heating the washing water.
  • Figure 8 - is the schematic view of a dishwasher wherein the induction heater is used as a steam generator.
  • Figure 9 - is the schematic view of a washing machine wherein the induction heater is used for heating the washing water.
  • the induction heater (1) of flow-through type or in other words, of continuous type that is suitable for use in washers such as dishwashers (12) or washing machines (22) that have a delivery line (18) wherein hot water or steam is generated, in heating installations and in various types of water heaters comprises
  • an induction coil (4) that is wound around the body (2) and energized by a power unit (3).
  • the induction heater (1) of the present invention comprises a heating element (6)
  • a magnetic material especially a ferromagnetic material such as iron
  • the induction heater (1) is suitable for use in washers such as dishwashers (12) or washing machines (22) and enables the liquid, i.e. the washing water to be heated or the steam to be generated by the inductive transfer of the high density energy trapped in a small volume.
  • the induction heater (1) has a form that enables the energy transferred to the water, and thus the energy to be trapped in a small volume.
  • the induction heater (1) comprises a body (2) around which the induction coil (4) to which electric current is supplied by the power unit (3) is wound.
  • the body (2) is produced from a non-magnetic thermally-insulated material such as silica glass or polymer.
  • the heating element (6) heats the water that flows through the body (2) by generating heat using the magnetic energy generated by the induction coil (4).
  • the heating element (6) used in the induction heater (1) of the present invention has the form of a hollow cylinder and is arranged in the body (2) concentrically.
  • the thermally-insulated body (2) prevents the heat generated by the heating element (6) from dissipating to the environment and the induction coil (4) from being overheated as well as thermal losses that may occur as a result of radiation.
  • the heating element (6) comprises a flow channel (5) that passes through the center thereof in the flow direction of the water, and thus, the contact surface between the heating element (6) and the water is increased. Heat losses are prevented by providing a homogeneous, effective and efficient heating in the induction heater (1).
  • the induction heater (1) comprises a heating element (6) in the form of a tube with a cylindrical cross-section ( Figure 2, Figure 3).
  • the outer diameter of the heating element (6) is smaller than the inner diameter of the body (2), and the induction heater (1) comprises a gap (7) between the outer surface of the heating element (6) and the inner surface of the body (2).
  • the water that flows in the induction heater (1) passes through both the flow channel (5) at the center of the heating element (6) and the gap (7) between the heating element (6) and the body (2).
  • the water contacts the cylindrical inner surface of the heating element (6) that surrounds the flow channel (5) and the cylindrical outer surface of the heating element (6) and heat is transferred to the water that flows both through and over the heating element (6) ( Figure 2, Figure 3).
  • the induction heater (1) comprises at least one support (8) that is produced from a non-magnetic material, that extends between the outer surface of the heating element (6) and the inner surface of the body (2) and that enables the heating element (6) to be positioned concentrically in the body (2) ( Figure 2, Figure 3).
  • the induction heater (1) comprises the heating element (6) that consists of cylindrical helical windings arranged in the body (2) and that has the flow channel (5) that passes through the center of the windings ( Figure 4).
  • the inner diameter of the body (2) and the outer diameter of the heating element (6) are almost equal, and the heating element (6) is placed in the body (2) without any gap therebetween.
  • the water that flows in the induction heater (1) passes only through the flow channel (5) at the center of the heating element (6) and contacts the cylindrical surface that surrounds the flow channel (5) ( Figure 5).
  • the heating element (6) has a serrated form so as to increase the contact surface with the water that flows therethrough and/or thereover, and comprises at least one protrusion (11) extending longitudinally in the flowing direction of the water on the inner surface thereof surrounding the flow channel (5) and/or the outer surface thereof ( Figure 6).
  • the induction heater (1) of the present invention is used in washers such as dishwashers (12) or washing machines (22) for heating the washing water based on the current supplied by the power unit (3) and/or for generating steam for sterilization purposes (Figure 7, Figure 8, Figure 9).
  • the dishwasher (12) comprises a tub (13) wherein dishes are washed, a sump (14) wherein the washing water is collected, a water softening unit (15) for decreasing the hardness of the water taken from the water mains, a circulation pump (16) that enables the water to be circulated and a delivery line (18) that enables the water to be delivered to spray arms (17) by means of the circulation pump (16), and the induction heater (1) of the present invention is connected to the delivery line (18) so as to enable the water to be heated ( Figure 7).
  • the dishwasher (12) comprises a steam valve (19) that is positioned at the outlet of the water softening unit (15) and that enables the steam washing process to be performed and a delivery line (18) for sending the steam into the tub (13), and the induction heater (1) connected to the delivery line (18) is used as a steam generator.
  • a conventional resistive heater (20) is connected to the second delivery line (18) that transfers the washing water to the spray arms (17) ( Figure 8).
  • the dishwasher (12) comprises a water tank (21) that enables the water used in the rinsing step of the washing process to be stored and used in the same program or in one of the steps of the subsequent program and the delivery line (18) wherein the induction heater (1) is used as the steam generator is connected to the water tank (21) so as to enabling the water tank (21) to be sterilized with steam (Figure 8).
  • the washing machine (22) comprises a tub (13) wherein the laundry to be washed are placed, a circulation pump (16) enabling the water to be circulated, a delivery line (18) enabling the water to be delivered onto the laundry by means of the circulation pump (16), and the induction heater (1) of the present invention is connected to the delivery line (18) so as to enable the water to be heated ( Figure 9).
  • steam is generated for purposes such as sterilization and wrinkle removal and the induction heater (1) of the present invention is used as the steam generator.
  • the induction heater (1) suitable for use in washers such as dishwashers (12) and washing machines (22) for heating the washing water or generating steam can also be used in heating installations in houses and work places and in water heaters.
  • the induction heater (1) of the present invention performs an efficient heating by improving the heat transfer conditions in a small volume, thus reducing heat losses and providing energy savings.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Induction Heating (AREA)
  • Washing And Drying Of Tableware (AREA)

Abstract

La présente invention concerne un dispositif de chauffage par induction de type à circulation (1) adapté pour utilisation dans des dispositifs de lavage tels que des lave-vaisselle (12) ou des lave-linge (22) qui ont une conduite de distribution (18) dans laquelle de l'eau chaude ou de la vapeur d'eau est générée, comprenant un corps cylindrique (2) ayant un orifice d'entrée (9) pouvant être raccordé à la conduite de distribution (18) et un orifice de sortie (10), produit à partir d'un matériau non magnétique et thermiquement isolé, une bobine d'induction (4) excitée par une unité d'alimentation (3) et un élément chauffant (6) qui génère de la chaleur au moyen de l'énergie magnétique appliquée par la bobine d'induction (4).
PCT/EP2018/053992 2017-03-07 2018-02-19 Dispositif de chauffage par induction de type à circulation Ceased WO2018162211A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TRTR2017/03423 2017-03-07
TR2017/03423A TR201703423A2 (tr) 2017-03-07 2017-03-07 İçten akişli ti̇pte bi̇r i̇ndükti̇f isitici

Publications (1)

Publication Number Publication Date
WO2018162211A1 true WO2018162211A1 (fr) 2018-09-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/053992 Ceased WO2018162211A1 (fr) 2017-03-07 2018-02-19 Dispositif de chauffage par induction de type à circulation

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TR (1) TR201703423A2 (fr)
WO (1) WO2018162211A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3690117A1 (fr) * 2019-02-01 2020-08-05 Vestel Beyaz Esya Sanayi Ve Ticaret A.S. Dispositif de lavage et son procédé de fonctionnement
CN111780076A (zh) * 2019-01-16 2020-10-16 青岛佰腾科技有限公司 一种贯通孔分布密度变化的蒸汽发生器
CN112120638A (zh) * 2020-10-21 2020-12-25 珠海格力电器股份有限公司 消毒设备及蒸汽发生器
CN112244726A (zh) * 2020-10-21 2021-01-22 珠海格力电器股份有限公司 消毒装置、洗碗机及洗碗机的控制方法
CN112900019A (zh) * 2019-12-04 2021-06-04 青岛海尔洗衣机有限公司 一种加热循环泵及洗衣机
CN112900020A (zh) * 2019-12-04 2021-06-04 青岛海尔洗衣机有限公司 一种加热循环泵及洗衣机
WO2021109897A1 (fr) * 2019-12-04 2021-06-10 青岛海尔洗衣机有限公司 Pompe de circulation de chauffage et machine à laver
US20220218178A1 (en) * 2020-06-23 2022-07-14 Kitchen Robotics Ltd Apparatus, Method and System of Washing Induction Cookware using Induction Heating and High-Pressure Water Jet

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6008482A (en) * 1994-10-24 1999-12-28 Matsushita Electric Industrial Co., Ltd. Microwave oven with induction steam generating apparatus
EP1053713A2 (fr) * 1999-02-23 2000-11-22 SMEG S.p.A. Dispositif pour chauffer l'eau , en particulier dans un lave-vaisselle
JP2002181306A (ja) * 2000-12-14 2002-06-26 Thermo Electron Kk 過熱蒸気発生装置及び過熱蒸気処理装置
US20050095168A1 (en) * 2002-06-12 2005-05-05 Steris Inc. Method for vaporizing a fluid using an electromagnetically responsive heating apparatus
EP2400052A1 (fr) * 2010-06-25 2011-12-28 Vestel Beyaz Esya Sanayi Ve Ticaret A.S. Système de chauffage par induction
JP2012005917A (ja) 2010-06-22 2012-01-12 Kowa Dennetsu Keiki:Kk 洗浄装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6008482A (en) * 1994-10-24 1999-12-28 Matsushita Electric Industrial Co., Ltd. Microwave oven with induction steam generating apparatus
EP1053713A2 (fr) * 1999-02-23 2000-11-22 SMEG S.p.A. Dispositif pour chauffer l'eau , en particulier dans un lave-vaisselle
JP2002181306A (ja) * 2000-12-14 2002-06-26 Thermo Electron Kk 過熱蒸気発生装置及び過熱蒸気処理装置
US20050095168A1 (en) * 2002-06-12 2005-05-05 Steris Inc. Method for vaporizing a fluid using an electromagnetically responsive heating apparatus
JP2012005917A (ja) 2010-06-22 2012-01-12 Kowa Dennetsu Keiki:Kk 洗浄装置
EP2400052A1 (fr) * 2010-06-25 2011-12-28 Vestel Beyaz Esya Sanayi Ve Ticaret A.S. Système de chauffage par induction

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111780076A (zh) * 2019-01-16 2020-10-16 青岛佰腾科技有限公司 一种贯通孔分布密度变化的蒸汽发生器
CN111810931A (zh) * 2019-01-16 2020-10-23 青岛佰腾科技有限公司 一种贯通孔面积变化的蒸汽发生器
CN111780076B (zh) * 2019-01-16 2022-04-05 山东北辰机电设备股份有限公司 一种连通孔分布密度变化的蒸汽发生器
CN111810931B (zh) * 2019-01-16 2022-04-08 山东北辰机电设备股份有限公司 一种连通孔面积变化的蒸汽发生器
EP3690117A1 (fr) * 2019-02-01 2020-08-05 Vestel Beyaz Esya Sanayi Ve Ticaret A.S. Dispositif de lavage et son procédé de fonctionnement
CN112900019A (zh) * 2019-12-04 2021-06-04 青岛海尔洗衣机有限公司 一种加热循环泵及洗衣机
CN112900020A (zh) * 2019-12-04 2021-06-04 青岛海尔洗衣机有限公司 一种加热循环泵及洗衣机
WO2021109897A1 (fr) * 2019-12-04 2021-06-10 青岛海尔洗衣机有限公司 Pompe de circulation de chauffage et machine à laver
US20220218178A1 (en) * 2020-06-23 2022-07-14 Kitchen Robotics Ltd Apparatus, Method and System of Washing Induction Cookware using Induction Heating and High-Pressure Water Jet
US11730338B2 (en) * 2020-06-23 2023-08-22 Kitchen Robotics Ltd Apparatus, method and system of washing induction cookware using induction heating and high-pressure water jet
CN112120638A (zh) * 2020-10-21 2020-12-25 珠海格力电器股份有限公司 消毒设备及蒸汽发生器
CN112244726A (zh) * 2020-10-21 2021-01-22 珠海格力电器股份有限公司 消毒装置、洗碗机及洗碗机的控制方法

Also Published As

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