WO2014112664A1 - 블랭킷과 무기물 입자를 이용한 상단 단열 구조를 구비한 인덕션 레인지 - Google Patents
블랭킷과 무기물 입자를 이용한 상단 단열 구조를 구비한 인덕션 레인지 Download PDFInfo
- Publication number
- WO2014112664A1 WO2014112664A1 PCT/KR2013/000371 KR2013000371W WO2014112664A1 WO 2014112664 A1 WO2014112664 A1 WO 2014112664A1 KR 2013000371 W KR2013000371 W KR 2013000371W WO 2014112664 A1 WO2014112664 A1 WO 2014112664A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat
- induction range
- coil
- top plate
- inorganic particles
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/12—Cooking devices
- H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/12—Cooking devices
- H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
- H05B6/1245—Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements
- H05B6/1263—Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements using coil cooling arrangements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Definitions
- the present invention relates to an induction range, and more particularly, to an induction range having a top plate insulation structure that improves durability by blocking and discharging heat transferred from the top plate to the coil side by insulating the top plate.
- the energy efficiency of the induction range using the induction heating method is about 90%, which is considerably better than the gas range, hi-light range and hot plate with energy efficiency of 30 to 40%. Since there is little risk of fire and no harmful gas is emitted, it is being spotlighted as an eco-friendly and high-quality cooking utensil, and it is gradually spreading to large restaurants and hotels.
- FIG. 1 is a schematic diagram showing a circuit of an induction range according to the prior art.
- a copper coil 10 for generating an alternating magnetic flux to heat a heating target body is provided, and the copper coil 10 is connected to a magnetic circuit 20 for generating alternating magnetic flux.
- the magnetic circuit 20 is connected to a power circuit including a rectifier 30 and an EMI filter 40, the power circuit is connected to the AC power supply 50.
- FIG. 2 is a schematic cross-sectional view showing an induction range according to the prior art.
- an upper plate 25 on which a heating body 35 may be placed is provided on the copper coil 15.
- a lower portion of the copper coil 15 is provided with an upper structure including the copper coil 15 and a heater base 45 spaced apart from the lower structure including the power supply unit 55.
- the air is circulated in the separation spaces provided between the upper plate 25, the copper coil 15, the heater base 45, and the power supply unit 55 to circulate the copper coil 15 and the power supply unit 55.
- the induction range is formed with a structure including a cooling fan 65 to allow the cooling.
- the heat generated while the heating element 35 is placed on the upper plate 25 is transferred to the copper coil 15 and the power supply unit 55, may cause a problem. That is, the inside of the induction range may be thermally shocked and may become unstable.
- the power supply unit 55 includes rectifiers of a magnetic circuit and a power circuit.
- heat is generated, and the copper coil 15 itself generates a lot of heat, so that the temperature inside the induction range becomes excessively high. There is this.
- the copper coil of the induction heating apparatus used in the partial heat treatment of the metal in an industry or a factory uses a method of cooling by water, but a water cooling apparatus is installed inside the induction range manufactured for kitchen cookware.
- a water cooling apparatus is installed inside the induction range manufactured for kitchen cookware.
- the present invention is to provide an induction range having a top plate insulation structure for preventing direct heat transfer between the coil and the top plate to solve the above problems, and circulating the space therebetween with the outside air to cool.
- An object of the present invention is to provide an induction range for protecting the coil by blocking the heat of the upper plate is transmitted to the coil.
- An object of the present invention is to provide an induction range having a top plate heat insulation structure to prevent thermal damage of the coil to improve durability and safety.
- Another object of the present invention is to provide an induction range that does not interfere with the flow of air by the cooling fan due to the heat insulating material attached to the bottom of the top plate.
- the present invention for achieving this object is a coil to form a magnetic field in accordance with the flow of current;
- An upper plate formed on an upper portion of the coil and on which a heating object is placed; It is attached to the bottom of the top plate and the heat-insulating material in the form of a mixture of inorganic particles having nano-pores in the blanket of the heat-resistant reinforcing fiber material; provides an induction range including a.
- the heat insulating material is preferably attached to the bottom surface of the top plate in a state in which the entire surface exposed by the heat resistant tape is covered.
- the heat insulating material is sealed between the heat resistant tape and the bottom surface of the top plate.
- the heat resistant tape may use a polyimide-based or polyurethane-based material.
- the thickness of the said heat insulating material is 1-5 mm, and it is more preferable if the weight ratio of the said inorganic particle and the blanket is 5: 5-7: 3.
- the induction range according to the present invention includes a heat insulating material in which inorganic particles having a blanket and nano-unit pores are mixed between the coil and the upper plate, thereby reducing direct heat transfer between the upper plate and the coil, thereby preventing thermal damage of the coil. Provide structure.
- Figure 2 is a schematic cross-sectional view showing an induction range according to the prior art
- FIG. 3 is a cross-sectional view showing the structure of an induction range according to the first embodiment of the present invention.
- FIG. 4 is a cross-sectional view showing the structure of an induction range according to a second embodiment of the present invention.
- FIG. 5 is a view showing the bottom of the upper plate of the structure of the induction range according to a second embodiment of the present invention.
- FIG. 3 is a cross-sectional view showing the structure of the induction range according to the first embodiment of the present invention.
- Induction range is a component that is embedded in the upper plate 120, the upper portion of the heating plate 130, the box-shaped outer case 170 formed on the lower portion of the upper plate 120 have.
- a coil 100 for induction heating the object to be heated In the center of the induction range is formed a coil 100 for induction heating the object to be heated.
- a general copper coil may be used as the coil 100, or a material coated with an insulating material on copper may be used.
- These coils are in the form of improving the induction heating effect and dissipating heat generated from the coils themselves, and the present invention is not limited thereto.
- a power supply unit 150 for applying power to the coil 100 is formed.
- the power supply unit 150 is usually formed in the lower portion of the coil 100 in consideration of the internal space of the induction range, and may include a separate heat sink for radiating heat generated from the power supply unit 150.
- the heater base 140 is formed between the coil 100 and the power supply unit 150.
- the heater base 140 serves as a support for supporting the coil 100, and serves to separate the region where the coil 100 is formed and the region where the power supply unit 150 is formed. Since the power supply unit 150 includes electronic components vulnerable to heat, the power supply unit 150 separates the space for heat dissipation and heat insulation.
- a cooling fan 160 is formed at the side of the coil 100, the heater base 140, and the power supply unit 150 so that the coil 100 and the power supply unit 150 may be cooled. do.
- the cooling fan 160 supplies external air into the induction range or exhausts heat from the outside to cool the components inside the induction range.
- the upper plate 120 may be a tempered glass material that is not heated by electromagnetic induction.
- the bottom surface of the upper plate 120 is provided with a heat insulating material (125).
- the heat insulating material 125 attached to the bottom of the upper plate 120 serves to reduce the heat of the upper plate 120 is transferred to the coil 100.
- the heating element 130 is heated by electromagnetic induction, the heat of the heating element 130 is transferred to the upper plate 120, and the heat of the upper plate 120 is transferred to the coil 100 again to the coil 100. Since the heat can be damaged by the heat, the present invention is to attach the heat insulating material 125 to the bottom of the top plate in order to reduce the transfer of heat of the top plate 120 to the coil 100.
- the heat insulating material 125 used in the present invention has a form in which inorganic particles having nano-unit pores are mixed in a blanket of a heat resistant reinforcing fiber material.
- the pore in nano units means a pore having a size of 1 nm to 1000 nm.
- the blanket is made of a heat resistant reinforced fiber in the form of a nonwoven fabric, and serves to trap inorganic particles having nano-unit pores.
- the present invention deals with the mixing of inorganic particles having nano unit pores with a blanket of heat-resistant reinforcing fiber material. It is to facilitate the formation and to the desired thickness.
- the heat insulating material 125 of the heat-resistant reinforcing fiber blanket and the inorganic particles having nano-unit pores of the present invention is mixed, has a flexible (flexible), and has the advantage of being lightweight and easily cut.
- the heat resistant reinforcing fiber forming the blanket a material having heat resistance at about 250 ° C. may be used, and representatively, an oxidized polyacrtylonitrile fiber may be used.
- the weight ratio of the inorganic particles and the blanket is preferably in the range of 5: 5 to 7: 3.
- the thermal conductivity when the heat insulator has the weight ratio as described above is in the range of 0.015 to 0.019 W / mK.
- the weight ratio of the inorganic particles is higher than the above range, the amount of the inorganic particles are scattered increases, causing a problem due to the scattering of the inorganic particles during handling, and if the weight ratio of the inorganic particles is lower than the above range, the thermal conductivity is increased and the thermal insulation performance Is lowered.
- the thickness of the heat insulating material can be used in the range 0.1 to 5mm, it is more preferred if it is 1 to 5mm range. If the thickness is less than 1mm, the thermal insulation performance is lowered, and if the thickness exceeds 5mm, the weight increases and the internal space becomes narrow.
- the present embodiment is characterized in that the heat insulating material 125 in which the inorganic particles having nano-unit pores are mixed with the blanket of the heat resistant reinforced fiber material is attached to the bottom surface of the upper plate 120 using the heat resistant tape 127. .
- the induction range is provided with a cooling fan 160 for discharging the heat inside.
- a cooling fan 160 for discharging the heat inside.
- the present embodiment is characterized in that the entire surface of the heat insulating material 125 exposed to the internal space of the induction range is attached with a heat resistant tape.
- the inorganic particles mixed between the blankets are prevented from scattering due to the flow of air generated in the cooling fan 160.
- the heat insulating material 125 is sealed between the heat resistant tape 127 and the bottom surface of the upper plate 120. As such, when the heat insulating material 125 is sealed using the heat resistant tape 127, the heat insulating material 125 is sealed by the air inside the heat insulating material 125 and the heat resistant tape 127 so that the heat insulating material 125 can be maintained in close contact with the top plate. do.
- the heat resistant tape 127 may use a polyimide-based or polyurethane-based material.
- the heat insulating material 125 When the heat insulating material 125 is sealed to the bottom surface of the upper plate 120 using the heat resistant tape 127, when the heat insulating material 125 is sealed in a compressed state, the pressure of the space sealed with the heat resistant tape 127 is external. Since it is lower than the pressure, the heat insulating material 125 is able to maintain a state in close contact with the top plate 120.
- FIG 5 is a view showing the bottom surface of the upper plate of the structure of the induction range according to a second embodiment of the present invention.
- the heat insulating material 125 is preferably formed to a size covering the coil arrangement region.
- the heat insulating material 125 is to reduce the transfer of heat of the upper plate 120 to the coil 100 as described above, it should be formed at least larger than the coil arrangement area.
- the cooling fan 160 circulates by forcing external air into the induction range or exhausting the air in the induction range to the outside to forcibly mix heated air in the induction range with external air having a relatively low temperature. This cools the internal components of the induction range.
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Induction Heating (AREA)
- Thermal Insulation (AREA)
- Induction Heating Cooking Devices (AREA)
Abstract
Description
Claims (7)
- 전류의 흐름에 따라 자계를 형성하는 코일;상기 코일의 상부에 형성되며 피가열체가 놓여지는 상판; 및상기 상판의 저면에 부착되며 내열성 강화섬유 재질의 블랭킷에 나노 단위 포어를 가진 무기물 입자가 혼합되어 있는 형태의 단열재;를 포함하는 인덕션 레인지.
- 제 1 항에 있어서,상기 단열재는 내열성 테이프로 노출되는 표면 전체가 덮여진 상태로 상기 상판의 저면에 부착되는 것을 특징으로 하는 인덕션 레인지.
- 제 2 항에 있어서,상기 단열재는 상기 내열성 테이프와 상기 상판의 저면 사이에 밀봉되는 것을 특징으로 하는 인덕션 레인지.
- 제 2 항에 있어서,상기 내열성 테이프는 폴리이미드 계열 또는 폴리우레탄 계열 재질인 것을 특징으로 하는 인덕션 레인지.
- 제 1 항에 있어서,상기 단열재의 두께는 1~5mm 범위인 것을 특징으로 하는 인덕션 레인지.
- 제 1 항에 있어서,상기 단열재는상기 무기물 입자와 상기 블랭킷의 중량비가 5:5 ~ 7:3 범위인 것을 특징으로 하는 인덕션 레인지.
- 제 1 항에 있어서,상기 단열재는 열전도도가 0.015~0.019 W/mK 인 것을 특징으로 하는 인덕션 레인지.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13759966.8A EP2947958A1 (en) | 2013-01-15 | 2013-01-17 | Induction range having adiabatic top structure using blanket and inorganic particles |
JP2014557557A JP2015512123A (ja) | 2013-01-15 | 2013-01-17 | ブランケットと無機物粒子を用いた上板断熱構造を備えたインダクションレンジ |
CN201380001001.1A CN104054392A (zh) | 2013-01-15 | 2013-01-17 | 具有利用毯状物与无机物颗粒使上板绝缘的结构的感应加热炉灶 |
US14/004,765 US20150223293A1 (en) | 2013-01-15 | 2013-01-17 | Induction heating range with structure for insulating upper plate using blanket and inorganic particle |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020130004565A KR101290731B1 (ko) | 2013-01-15 | 2013-01-15 | 블랭킷과 무기물 입자를 이용한 상단 단열 구조를 구비한 인덕션 레인지 |
KR10-2013-0004565 | 2013-01-15 |
Publications (1)
Publication Number | Publication Date |
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WO2014112664A1 true WO2014112664A1 (ko) | 2014-07-24 |
Family
ID=48998212
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2013/000371 WO2014112664A1 (ko) | 2013-01-15 | 2013-01-17 | 블랭킷과 무기물 입자를 이용한 상단 단열 구조를 구비한 인덕션 레인지 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20150223293A1 (ko) |
EP (1) | EP2947958A1 (ko) |
JP (1) | JP2015512123A (ko) |
KR (1) | KR101290731B1 (ko) |
CN (1) | CN104054392A (ko) |
WO (1) | WO2014112664A1 (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3163978A4 (en) * | 2014-06-24 | 2018-02-07 | Dipo Induction Co., Ltd. | Induction heating type of fryer |
EP3397023B1 (en) * | 2017-04-26 | 2019-12-18 | Vestel Elektronik Sanayi ve Ticaret A.S. | Inductive cooking device with overheating protection and method thereof |
KR20210095491A (ko) | 2020-01-23 | 2021-08-02 | 쿠쿠전자 주식회사 | 유도 가열 조리 장치 |
CN113365378A (zh) * | 2021-06-17 | 2021-09-07 | 上海德卫氪自动化工程有限公司 | 对由可导电材料制成的工件进行感应式加热的平面装置 |
KR102347251B1 (ko) | 2021-07-30 | 2022-01-04 | (주)쓰리바바 | 인덕션 레인지용 가열온도 안정형 탄소섬유 패드 |
Citations (4)
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KR20020038232A (ko) * | 2000-11-17 | 2002-05-23 | 구광시 | 내열성 접착테이프 |
JP2005289655A (ja) * | 2004-03-31 | 2005-10-20 | Makio Naito | 複合多孔体、並びに前記複合多孔体からなる成形体及び断熱材 |
KR100698177B1 (ko) * | 2005-11-22 | 2007-03-22 | 엘지전자 주식회사 | 전기 레인지용 히터 어셈블리 |
KR20110016764A (ko) | 2009-08-12 | 2011-02-18 | 고려대학교 산학협력단 | 냉각성능이 향상된 코일 구조를 가지는 인덕션 레인지 |
Family Cites Families (7)
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CN1093730C (zh) * | 1998-06-23 | 2002-10-30 | 北京化工大学 | 耐热阻燃面状发热体及其制备方法 |
WO2007015710A2 (en) * | 2004-11-09 | 2007-02-08 | Board Of Regents, The University Of Texas System | The fabrication and application of nanofiber ribbons and sheets and twisted and non-twisted nanofiber yarns |
US8486545B2 (en) * | 2005-09-28 | 2013-07-16 | Southwest Research Institute | Systems and methods for flaw detection and monitoring at elevated temperatures with wireless communication using surface embedded, monolithically integrated, thin-film, magnetically actuated sensors, and methods for fabricating the sensors |
US7425691B2 (en) * | 2005-11-02 | 2008-09-16 | Kabushiki Kaisha Toshiba | Coil unit and fixing apparatus |
CN201216466Y (zh) * | 2008-06-12 | 2009-04-08 | 崔珂梅 | 电磁加热耐热陶瓷及玻璃炊具 |
US8203105B2 (en) * | 2008-07-18 | 2012-06-19 | Advanced Materials Enterprises Company Limited | Nano thickness heating material coated food warmer devices for hospital and elsewhere daily usage |
EP3613723A1 (en) * | 2010-12-08 | 2020-02-26 | Pravansu S. Mohanty | Depolymerization processes, apparatuses and catalysts for use in connection therewith |
-
2013
- 2013-01-15 KR KR1020130004565A patent/KR101290731B1/ko active IP Right Grant
- 2013-01-17 CN CN201380001001.1A patent/CN104054392A/zh active Pending
- 2013-01-17 JP JP2014557557A patent/JP2015512123A/ja active Pending
- 2013-01-17 WO PCT/KR2013/000371 patent/WO2014112664A1/ko active Application Filing
- 2013-01-17 EP EP13759966.8A patent/EP2947958A1/en not_active Withdrawn
- 2013-01-17 US US14/004,765 patent/US20150223293A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020038232A (ko) * | 2000-11-17 | 2002-05-23 | 구광시 | 내열성 접착테이프 |
JP2005289655A (ja) * | 2004-03-31 | 2005-10-20 | Makio Naito | 複合多孔体、並びに前記複合多孔体からなる成形体及び断熱材 |
KR100698177B1 (ko) * | 2005-11-22 | 2007-03-22 | 엘지전자 주식회사 | 전기 레인지용 히터 어셈블리 |
KR20110016764A (ko) | 2009-08-12 | 2011-02-18 | 고려대학교 산학협력단 | 냉각성능이 향상된 코일 구조를 가지는 인덕션 레인지 |
Also Published As
Publication number | Publication date |
---|---|
KR101290731B1 (ko) | 2013-07-29 |
US20150223293A1 (en) | 2015-08-06 |
EP2947958A1 (en) | 2015-11-25 |
CN104054392A (zh) | 2014-09-17 |
JP2015512123A (ja) | 2015-04-23 |
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