WO2008001425A1 - Récipient pour cuiseurs électromagnétiques - Google Patents
Récipient pour cuiseurs électromagnétiquesInfo
- Publication number
- WO2008001425A1 WO2008001425A1 PCT/JP2006/312757 JP2006312757W WO2008001425A1 WO 2008001425 A1 WO2008001425 A1 WO 2008001425A1 JP 2006312757 W JP2006312757 W JP 2006312757W WO 2008001425 A1 WO2008001425 A1 WO 2008001425A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- container
- electromagnetic cooker
- conductive layer
- conductive material
- heating coil
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 64
- 239000012811 non-conductive material Substances 0.000 claims abstract description 23
- 238000012790 confirmation Methods 0.000 claims abstract description 21
- 239000004020 conductor Substances 0.000 claims description 58
- 239000011888 foil Substances 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 21
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 235000012489 doughnuts Nutrition 0.000 claims description 5
- 239000002648 laminated material Substances 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 3
- 235000013305 food Nutrition 0.000 abstract description 18
- 238000010411 cooking Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 16
- 241000209094 Oryza Species 0.000 description 12
- 235000007164 Oryza sativa Nutrition 0.000 description 12
- -1 polyethylene Polymers 0.000 description 12
- 235000009566 rice Nutrition 0.000 description 12
- 239000004743 Polypropylene Substances 0.000 description 11
- 229920001155 polypropylene Polymers 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 230000020169 heat generation Effects 0.000 description 7
- 230000010355 oscillation Effects 0.000 description 7
- 239000000696 magnetic material Substances 0.000 description 5
- 238000013021 overheating Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 241000652704 Balta Species 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 230000005291 magnetic effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 240000008620 Fagopyrum esculentum Species 0.000 description 1
- 235000009419 Fagopyrum esculentum Nutrition 0.000 description 1
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- LRHPLDYGYMQRHN-UHFFFAOYSA-N butyl alcohol Substances CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 235000012149 noodles Nutrition 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/088—Pressure-cookers; Lids or locking devices specially adapted therefor adapted to high-frequency heating
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package
- B65D81/3407—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package specially adapted to be heated over a heat source, e.g. a hob, campfire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
- B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
- B65D81/261—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for draining or collecting liquids without absorbing them
- B65D81/262—Rigid containers having false bottoms provided with passages for draining and receiving liquids
Definitions
- the present invention relates to a container for an electromagnetic cooker capable of heating contents with Joule heat of eddy current induced by an electromagnetic induction coil of the electromagnetic cooker.
- a non-flammable electromagnetic cooker has been used for cooking foods in general households, restaurants, etc. for cooking food or heating foods from the viewpoints of safety, cleanliness, convenience and economy.
- This electromagnetic cooker generates an eddy current at the bottom of the container when a container for an electromagnetic cooker such as iron stainless steel is placed by the magnetic field lines from the electromagnetic coil.
- the cooking object inside the container is heated by the Joule heat.
- IH rice cookers many electromagnetic induction rice cookers (IH rice cookers) are commercially available by applying this principle.
- cup bowl containers such as ramen, soba, udon, and fried noodles can be heated with an electromagnetic cooker as they are.
- Instant food containers (Patent Document 1), or food containers made of aluminum foil material that can be heated by an electromagnetic cooker (Patent Document 2).
- Patent Document 3 electromagnetic cookers, microwave ovens (Patent Document 3), heating equipment for electromagnetic cookers that heat aluminum foil (Patent Document 4), taking into account separation processing after use, incineration, and recycling of the magnetic material of the heating element. Also proposed!
- Patent Document 1 Japanese Unexamined Patent Publication No. 2000-272676
- Patent Document 2 JP 2002-51906 A
- Patent Document 3 Japanese Patent Laid-Open No. 2002-177149
- Patent Document 4 Japanese Patent Laid-Open No. 2003-325327
- the instant food container described in Patent Document 1 consists of an inner layer container that also has steel plate strength and an outer layer container made of heat insulating material, and the bottom surface of the inner layer container is located within 5 mm from the bottom surface of the outer layer container.
- the thickness should be 0.05 to 0.5 mm, and from the viewpoint of imparting corrosion resistance, one or more of plating, chemical conversion, resin film lamination, and coating should be applied to one or both sides of the steel sheet.
- the material heating and processing costs are high for instant food applications, and it is not economical, and the heating element is used at the pan confirmation frequency for determining whether the electromagnetic cooker can be heated. It is difficult to adjust the thickness, shape, distance from the heating coil, etc., and it is difficult to set the heat generation characteristics appropriately and easily.
- the pot confirmation frequency is a frequency when it is determined whether or not the electromagnetic cooker can be heated, and is different from the frequency when actually heating. Since the method for determining whether an electromagnetic cooker can be heated varies from manufacturer to manufacturer, the pot confirmation frequency also varies from manufacturer to manufacturer.
- the container described in Patent Document 2 is an aluminum which can be heated by an electromagnetic cooker made of an aluminum foil material having a flat bottom surface and a thickness of 12 to 96 m.
- a food container made of foil material has been proposed, but it is difficult to adjust the thickness and form of the heating element according to the oscillation condition of the electromagnetic cooker (pan confirmation frequency specific to the manufacturer), etc. Difficult to set heat generation characteristics appropriately and easily.
- the container described in Patent Document 3 has a plate (heating element) made of a magnetic material placed on the bottom surface of a recess of a non-magnetic material container, and ferritic stainless steel or a similar product is used as the heating element. Proposed force
- This type of container is not suitable for instant food applications due to high material costs and processing costs, and also depending on the oscillation conditions of the electromagnetic cooker (a manufacturer's specific pan confirmation frequency). It is difficult to adjust the thickness and form of the heating element, the distance from the heating coil, etc., and it is difficult to set the heating characteristics appropriately and easily.
- the container described in Patent Document 4 uses an aluminum foil of 0.10 to LOO / zm as a heating element at the bottom of the nonmagnetic container body, and the bottom of the container body is an electromagnetic cooker.
- the present invention has been made to solve the above-mentioned problems, and as an instant food container heated by an electromagnetic cooker, the material cost and processing cost are low, and the electromagnetic cooking varies depending on the manufacturer. Retort foods, instant foods, etc. that can be heated according to the oscillation conditions of the container (manufacturer specific pan confirmation frequency) etc., and that the shape and heat generation characteristics of the container can be set appropriately and easily according to the purpose of use of the container It is an object to provide a container for an electromagnetic cooker with high heating efficiency suitable for cooking.
- the container for an electromagnetic cooker according to claim 1 of the present invention has a conductive layer at least at the bottom of a container made of a non-conductive material, and the high-frequency resistance change with respect to the pan confirmation frequency of the heating coil of the conductive layer Rate (R—RO) ZRO is 5.3 or more, and inductance change rate (L LO) Z LO is 0.17 or less.
- R is the high-frequency resistance ( ⁇ ) viewed from the heating coil side
- RO is the high-frequency resistance viewed from the heating coil side when no load is applied ( ⁇ )
- L is the inductance viewed from the heating coil side ( ⁇ )
- LO represents the inductance ( ⁇ ⁇ ) with the heating coil side force at no load.
- the container for an electromagnetic cooker according to claim 2 is characterized in that, in claim 1, the conductive layer is a metal foil.
- the container for an electromagnetic cooker according to claim 3 is characterized in that, in claim 1, the conductive layer is a coating material containing a metal powder.
- a container for an electromagnetic cooker according to claim 4 is characterized in that, in any one of claims 1 to 3, the conductive layer is formed on the inner surface of the bottom.
- the container for an electromagnetic cooker according to claim 5 is characterized in that, in claim 4, the conductive layer is a laminate of a conductive material and a non-conductive material, and the conductive material is on the bottom side.
- the container for an electromagnetic cooker according to claim 6 is the container according to any one of claims 1 to 5, wherein the non-conductive material of the conductive layer is bent upward along the side wall of the container and bonded to the lower part of the inner surface of the side wall of the container. It is characterized by that.
- the container for an electromagnetic cooker according to claim 7 is characterized in that, in claim 5 or 6, a liquid convection hole is formed in the non-conductive material of the laminate material.
- the container for an electromagnetic cooker according to claim 8 is characterized in that in any one of claims 1 to 7, the conductive layer has a donut shape.
- a container for an electromagnetic cooker according to claim 9 is characterized in that, in any one of claims 1 to 8, the conductive material of the conductive layer is made uneven to increase the surface area.
- the container for an electromagnetic cooker according to claim 10 is characterized in that, in any of claims 7 to 9, the conductive layer can be moved up and down.
- a container for an electromagnetic cooker according to claim 11 is characterized in that in any one of claims 1 to 10, the conductive material is laminated.
- the container for an electromagnetic cooker according to claim 12 is characterized in that, in claim 11, the conductive material is laminated so that ends of the conductive material do not overlap.
- the container for an electromagnetic cooker of the present invention can be heated in accordance with the oscillation conditions (pan confirmation frequency specific to the manufacturer) of the electromagnetic cooker that varies from manufacturer to manufacturer, and the heat generation characteristics are appropriate and A container for an electromagnetic cooker that can be set easily and has high heating efficiency suitable for retort foods and instant foods can be obtained at low cost.
- the container for an electromagnetic cooker of the present invention has a conductive layer at least at the bottom of a container made of a non-conductive material, and a high-frequency resistance change rate (R-RO) with respect to the pan confirmation frequency of the heating coil of the conductive layer.
- R-RO high-frequency resistance change rate
- ZRO is 5.3 or more
- inductance change rate (L-LO) ZLO is -0.17 or less.
- R is the high-frequency resistance ( ⁇ ) seen from the heating coil side
- RO is the high-frequency resistance seen from the heating coil side when no load is applied ( ⁇ )
- L is the inductance seen from the heating coil side ( ⁇ )
- LO represents the inductance ( ⁇ ⁇ ) of the heating coil side force when there is no load.
- the reason why the characteristics of the conductive layer are specified by the high-frequency resistance change rate and the inductance change rate is that if there is only one type of electromagnetic cooker, the force required by the amount of change in R and L Because the heating coil differs from one model to another and R0 and L0 are different, the R and L change rates were calculated.
- a magnetic flux cancellation by an alternating current and a heat generation principle by an eddy current flowing in a conductor are used, and its oscillation frequency is generally 10 to 90 kHz.
- a ferromagnetic material capable of canceling the alternating magnetic flux with an appropriate thickness is used, and iron pans made of an iron material having an appropriate electrical resistance and an appropriate container strength are used.
- the inventors of the present application conducted experiments using each manufacturer's electromagnetic cooker, and as a result, the high frequency resistance change rate (R) with respect to the oscillation conditions of each manufacturer's electromagnetic cooker (manufacturer-specific pan confirmation frequency).
- R0 Conductive layer with ZR0 of 5.3 or more and inductance change rate (L—L0) ZL0 of 0.17 or less, that is, the conductive material constituting the conductive layer at the bottom of the container satisfies the change rate. It was found that if it is a container, it can be heated according to the electromagnetic cooker of each manufacturer. In addition, the minimum diameter of each manufacturer's heatable pan is 120 mm. If the conductive layer is adjusted to satisfy the rate of change, the minimum diameter of the container can be further reduced.
- Fig. 1 is an explanatory diagram showing a method for measuring the high frequency resistance and inductance using an impedance analyzer.
- FIG. 2 shows the results of placing various conductive materials on the top plate of each manufacturer's electromagnetic cooker as described above, and confirming whether or not each conductive material can be heated at the pan confirmation frequency. This is shown together with the results of the rate of change in resistance and the rate of change in inductance. As shown in Fig. 2, it can be seen that there is a range that can be heated regardless of the electromagnetic cooker of each manufacturer, and the above-mentioned high frequency resistance change rate (R—RO) ZRO is 5.3 or more, inductance change rate (L LO) If ZL 0 was less than -0.17, it was found that it could be heated with each manufacturer's electromagnetic cooker.
- R—RO high frequency resistance change rate
- L LO inductance change rate
- the thickness, size, form, material, etc. of the conductive material of the conductive layer should be within the range of the change rate (high-frequency resistance change rate is 5.3 or more, inductance change rate is 0.17 or less). Just decide.
- FIG. 3 shows the relationship between the material of the conductive layer within the rate of change and the required thickness.
- Figure 3 shows, for example, the specific resistance of the conductive material when the minimum diameter ⁇ 85mm of the conductive material that can be heated by the electromagnetic cooker (KZ-PH1) of Matsushita Electric Industrial Co., Ltd. It is the result of experimentally determining the relationship between the foil thickness of the metal foil, which is the force of each of silver foil, aluminum foil, and tin foil. As a result, the conductive material should be thin if the Balta resistivity S is small and thick if it is large. It turns out that it is necessary to Note that the Balta resistivity is the resistivity specific to the material and refers to the volume resistivity.
- non-conductive material constituting the container of the electromagnetic cooker container of the present invention examples include polyolefin, polyethylene, polypropylene and other olefin resins, polyester resins, and polyamides, ethylene butyl alcohol copolymers, and other gas nozzles.
- a multi-layered material using rosin as an intermediate layer can be used.
- a paper material or a multilayer material with the resin can be used.
- examples of the shape of the container include a cup, a tray, or a standing bouch. Forces that can be produced The form is not limited to these forms.
- the conductive layer is formed of a metal foil to satisfy the rate of change in inductance.
- the thin metal foil is preferably laminated as much as possible to satisfy the rate of change in high-frequency resistance. Is preferable.
- a metal foil is not particularly limited, and any of magnetic materials and non-magnetic materials can be used. Silver foil, gold foil, copper foil, platinum foil, aluminum foil, zinc foil, tin foil, nickel foil, iron foil, Stainless steel foil etc. are mentioned, and aluminum foil is more preferable in terms of cost.
- a laminate material obtained by laminating a metal foil of the conductive material to a nonconductive material such as paper or a resin sheet is used. At least the inner surface of the bottom of the container is attached. It may be attached to the bottom and side walls of the container.
- the metal foil when a gold foil, a silver foil, or a platinum foil is used as the metal foil, it is not always necessary to use a laminating material for the point that does not easily dissolve in food.
- the conductive layer is formed by coating the bottom of the container, preferably the inner surface of the bottom of the container with a coating material containing a metal powder of a conductive material such as a conductive paint.
- a metal foil is mounted, and the coating material having the conductive material strength is coated on a non-conductive material such as paper or a resin sheet and mounted on the bottom of the container.
- the conductive layer may be formed on the outer surface of the bottom of the container.
- the conductive layer is formed on the inner surface of the bottom of the container.
- the conductive layer is made of a laminate of a conductive material and a non-conductive material, and the conductive material on the container bottom side improves the heat generation effect due to the eddy current flowing in the conductive material. Preferred in terms of letting go.
- the end portion of the non-conductive material of the conductive layer made of the laminate material is curved upward along the side wall of the container, and the lower part of the inner surface of the side wall of the container.
- the conductive layer can be easily attached to the bottom of the container by adhering to the container with an adhesive, heat sealing or the like.
- the conductive layer is formed in a donut shape. It is possible to increase the heating efficiency by the electromagnetic cooker, and the conductive layer When is heated abnormally, the conductive layer can be broken to stop the heating. Furthermore, heating efficiency can be further improved by increasing the surface area by making the conductive material of the conductive layer uneven.
- the conductive material of the conductive layer is moved up and down within a certain range from the heating coil of the electromagnetic cooker by allowing the conductive layer to move up and down.
- container damage due to overheating of the conductive layer can be prevented, and the temperature of the contents can be kept within a certain range.
- the conductive material is sufficiently thinner than the penetration depth of the high-frequency current, a multi-layer structure can be used, and the high-frequency resistance and inductance can be adjusted to an appropriate range depending on the number of stacked layers, improving heating efficiency. At the same time, it is possible to provide a compact container with a small diameter. In this case, it is preferable to laminate the conductive material so that the end portions of the conductive material do not overlap with each other in terms of preventing destruction of the container due to overheating.
- the container for an electromagnetic cooker according to the present invention can also be applied to an electromagnetic rice cooker (IH rice cooker), and if it is coated so that the peripheral end of the conductive layer is not exposed, it is heated in a microwave oven. Even so, sparking is prevented, and it can be used as a heating container for a microwave oven.
- IH rice cooker electromagnetic rice cooker
- FIG. 4 and 5 show Embodiment 1 of the container for an electromagnetic cooker of the present invention
- FIG. 4 is a plan view of the container
- FIG. 5 is a cross-sectional view taken along line AA in FIG.
- the container 1 is made of polypropylene (non-conductive material) and has a side wall 2 and a bottom 3, and the inner surface of the bottom 3 has a plurality of aluminum foil conductive materials 5 and a non-conductive material 6 having polypropylene strength.
- the conductive layer 4 is formed, and the conductive material 5 is positioned on the bottom 3 side of the container 1, and the end of the non-conductive material 6 of the conductive layer 4 is the container 1.
- the conductive layer 4 is mounted by bending upward along the side wall 2 and heat-sealing the lower part of the inner surface of the side wall 2.
- the non-conductive material 6 of the laminate material constituting the conductive layer 4 has a content liquid convection hole. 7 is formed.
- the conductive layer 4 has a donut shape in which the hole 8 is formed in the center portion of the conductive material 5 and the non-conductive material 6 and the center portion is removed.
- the heating efficiency by the vessel can be increased, and even when the conductive layer 4 is abnormally heated, overheating due to the fracture of the conductive layer 4 can be prevented.
- FIGS. 6 to 9 show Embodiment 2 of the container for an electromagnetic cooker of the present invention
- FIG. 6 is a plan view of the container
- FIG. 7 is a cross-sectional view taken along the line BB in FIG. 8 and 9 show the inner cup (conductive material 5) loaded inside the container of the second embodiment
- FIG. 8 is a plan view of the inner cup
- FIG. 9 is a front view of the inner cup.
- the container 1 is heat-sealed at the upper end of the side wall 2 and an inner cup fixing member 9 protruding inward at equal intervals is formed on the side wall.
- 9 allows the inner cup (conductive material 5) to be easily mounted and fixed in the container 1. That is, the conductive layer 4 is brought close to the bottom 3 of the container 1 and the fixing part 9 is inserted into the pleated recess 5b (see FIG. 9) formed on the side wall 5a of the conductive layer 4, thereby The inner cup is stored in
- the inner cup used in the container of the second embodiment has a conductive material on the lower surface of the conductive material 5 in which the conductive layer 4 is made of a plurality of aluminum foils, as shown in Figs. Is curved upward so that it extends along the side wall 2 of the container 1, and vertically concave portions 5b are formed at equal intervals on the side walls 5a to form irregularities (folds are formed).
- the heating efficiency is further improved.
- FIG. 10 to FIG. 12 show Embodiment 3 of the container for an electromagnetic cooker according to the present invention
- FIG. 10 is a plan view of the container
- FIG. 11 is a CC sectional view of FIG.
- the container of Embodiment 3 is a laminate sheet material comprising a conductive layer 4, a doughnut-shaped conductive material 5 made of aluminum foil, and a polypropylene non-conductive material 6 in which the liquid convection holes 7 are formed in a bowl shape.
- An annular leg 10 having a polypropylene force is appropriately bonded to the lower periphery of the conductive layer 4, and the conductive material 5 is placed on the inner surface of the bottom 3 of the container 1 so as to be on the container bottom 3 side. It is.
- Fig. 12 shows a state in which the leg portion 10 is removed and the conductive layer 4 is lightened, and the conductive layer floats in the content liquid, and thus the conductive layer is thus formed.
- the conductive material 5 in the conductive layer 4 is laminated, and the high-frequency resistance and inductance can be adjusted to an appropriate range.
- the conductive material 5 it is preferable to laminate the conductive material 5 so that the ends of the conductive material 5 do not overlap in order to prevent destruction of the container due to overheating.
- a multilayer structure can be used, and the high-frequency resistance and inductance can be adjusted to an appropriate range depending on the number of stacked layers.
- RO represents a high-frequency resistance component ( ⁇ ) in view of the heating coil side force when nothing is placed on the top plate
- LO represents an inductance ⁇ ) viewed from the heating coil side when nothing is placed on the top plate.
- the high-frequency resistance component change rate was calculated as (R-RO) ZRO
- the inductance change rate was calculated as (L-LO) / LO.
- the prepared container for an electromagnetic cooker was filled with 400 cc of water and heated by an electromagnetic cooker and a rice cooker from each manufacturer, and all manufacturers confirmed whether they could be heated.
- the temperature rise time was measured up to 30 ° C and 80 ° C.
- a container body with an inner diameter of 175 mm, a height of 120 mm, and a content volume of 1200 cc was prepared.
- the conductive material was a laminate of two aluminum foils with a thickness of 7 m and an outer diameter of 150 mm, and a conductive layer was created by laminating polypropylene on both sides of this conductive material.
- the end of the polypropylene is heat sealed to the lower part of the inner surface of the side wall of the container body so that the aluminum foil of the conductive material is located on the bottom side of the container body in the container body, thereby obtaining a container for an electromagnetic cooker. .
- the electromagnetic cooker is KZ-PH1 manufactured by Matsushita Electric Industrial Co., Ltd., MH-B1 manufactured by Hitachi Home & Life Solutions Co., Ltd., IC-SF10 manufactured by Sanyo Electric Co., Ltd., and manufactured by Toshiba Conscious Mama-Kating Co., Ltd. Heating was performed using four types of MR—A25LH and evaluated.
- Example 1 heating was performed and evaluated in the same manner as in Example 1 except that a hole of 60 mm was formed in the center of the conductive layer and the conductive layer was made into a donut shape.
- a container body having an inner diameter of 110 mm, a height of 50 mm, and an internal volume of 600 cc was prepared using a polypropylene sheet having a thickness of 0.5 mm.
- the conductive material is a laminate of three aluminum foils with a thickness of 7 m, outer diameter of 110 mm, 105 mm, and 100 mm. Polypropylene is laminated on both sides of this conductive material, and a hole of 60 mm is formed in the center. Thus, a conductive layer was prepared.
- the end of the polypropylene is heat sealed to the lower part of the inner surface of the side wall of the container body so that the conductive material of the conductive layer is located on the bottom side of the container body in the container body. Heating was performed and evaluated.
- IH rice cookers are SR—XG10, Matsushita Electric Industrial Co., Ltd., ECJ—F Z10, Sanyo Electric Co., Ltd., RC—10KW, Toshiba Consumer Marketing Co., Ltd., RZ—Hitachi Home & Life Solutions Co., Ltd. CG10J, Tiger Thermos Co., Ltd. i ⁇ KA- G100TG, Mitsubishi Electric Co., Ltd. NJ- GZ 10- S, and Elephant Mabobin Co., Ltd. NHC- C 10 As a result of confirming whether or not rice was cooked using the rice cooking function, it was possible to cook rice.
- the pot confirmation frequency (kHz) of the rice cooker is SR—XG10 manufactured by Matsushita Electric Industrial Co., Ltd., RC—10KW manufactured by Toshiba Shiba Consumer Marketing Co., Ltd., RZ—manufactured by Hitachi Home & Life Solutions Co., Ltd.
- CG10J is approximately 35kHz.
- ECJ— FZ10 is approximately 30kHz, Mitsubishi Electric Corp.
- NHC-C 10 is approximately 40kHz. Tiger Thermos Co., Ltd. Heng KA-G100TG oscillated and did not exist.
- Example 1 heating was performed and evaluated in the same manner as in Example 1 except that the conductive material was one aluminum foil having an outer diameter of ⁇ 145 mm.
- Example 1 heating was performed in the same manner as in Example 1 except that the conductive material was one aluminum foil having an outer diameter of 150 mm.
- the container for an electromagnetic cooker of the present invention is heated corresponding to the electromagnetic cooker of each manufacturer as long as it is within the ranges of the high-frequency resistance change rate and the inductance change rate. Can do.
- the minimum diameter of the heatable pan of each manufacturer's electromagnetic cooker is 120 mm. If the conductive layer satisfying the above change rate is adjusted as in Example 3, the minimum diameter of the container can be further reduced. It becomes.
- Table 2 shows the form of the conductive material and the evaluation results in the conductive layers of the electromagnetic cooker containers of the examples and comparative examples.
- Matsushita Electric Co., Ltd . Matsushita Electric Industrial Co., Ltd. KZ— PH1 Sanyo Electric: Sanyo Electric Co., Ltd. SIC— SF10
- FIG. 3 is a graph showing the relationship between the Balta resistivity of a metal foil material and the foil thickness necessary for heating.
- FIG. 4 is a plan view showing Embodiment 1 of the electromagnetic cooker container of the present invention.
- FIG. 5 is a cross-sectional view taken along line AA in FIG.
- FIG. 6 is a plan view showing a second embodiment of the container for an electromagnetic cooker according to the present invention.
- FIG. 7 is a cross-sectional view taken along the line BB in FIG.
- FIG. 8 is a plan view of the inner cup according to the second embodiment of the container for an electromagnetic cooker of the present invention.
- FIG. 9 is a front view of the inner cup in the second embodiment of the container for an electromagnetic cooker of the present invention.
- FIG. 10 is a plan view of Embodiment 3 of a container for an electromagnetic cooker according to the present invention.
- FIG. 11 is a CC cross-sectional view of FIG.
- FIG. 12 is a cross-sectional view showing another aspect of Embodiment 3 of the container for an electromagnetic cooker of the present invention.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Cookers (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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KR1020087026179A KR101247617B1 (ko) | 2006-06-26 | 2006-06-26 | 전자조리기용 용기 |
US12/306,874 US8344297B2 (en) | 2006-06-26 | 2006-06-26 | Container for electromagnetic cookers |
PCT/JP2006/312757 WO2008001425A1 (fr) | 2006-06-26 | 2006-06-26 | Récipient pour cuiseurs électromagnétiques |
CN2006800548486A CN101460079B (zh) | 2006-06-26 | 2006-06-26 | 电磁炉用容器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2006/312757 WO2008001425A1 (fr) | 2006-06-26 | 2006-06-26 | Récipient pour cuiseurs électromagnétiques |
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Publication Number | Publication Date |
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WO2008001425A1 true WO2008001425A1 (fr) | 2008-01-03 |
Family
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PCT/JP2006/312757 WO2008001425A1 (fr) | 2006-06-26 | 2006-06-26 | Récipient pour cuiseurs électromagnétiques |
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US (1) | US8344297B2 (ja) |
KR (1) | KR101247617B1 (ja) |
CN (1) | CN101460079B (ja) |
WO (1) | WO2008001425A1 (ja) |
Cited By (1)
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JP2013517285A (ja) * | 2010-01-14 | 2013-05-16 | バクスター・インターナショナル・インコーポレイテッド | 出血性障害を治療するための方法及び組成物 |
Families Citing this family (7)
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JP6090155B2 (ja) * | 2011-03-30 | 2017-03-08 | 東洋製罐グループホールディングス株式会社 | 誘導加熱発熱体、及び誘導加熱容器 |
JP6127593B2 (ja) * | 2012-09-28 | 2017-05-17 | 東洋製罐グループホールディングス株式会社 | 誘導加熱容器 |
CN105658118B (zh) * | 2013-10-23 | 2017-07-14 | 东洋制罐集团控股株式会社 | 感应加热发热体以及感应加热容器 |
JP5788557B2 (ja) * | 2013-12-27 | 2015-09-30 | 東洋製罐グループホールディングス株式会社 | Ih調理器用発熱シート及びih調理器用加熱調理セット |
US20160095170A1 (en) * | 2014-09-29 | 2016-03-31 | Jane Sunghee Kim | Paper cookware |
US10798787B2 (en) * | 2017-05-03 | 2020-10-06 | Continental Packaging (Thailand) Co., Ltd. | Paper cooking utensil for induction cookers |
ES2713379A1 (es) * | 2017-11-20 | 2019-05-21 | Bsh Electrodomesticos Espana Sa | Procedimiento para el montaje de un sistema de coccion |
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JP2000287847A (ja) * | 1999-04-08 | 2000-10-17 | Nippon Steel Corp | 電磁調理器での加熱に適した即席食品容器 |
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- 2006-06-26 CN CN2006800548486A patent/CN101460079B/zh not_active Expired - Fee Related
- 2006-06-26 WO PCT/JP2006/312757 patent/WO2008001425A1/ja active Application Filing
- 2006-06-26 US US12/306,874 patent/US8344297B2/en active Active
- 2006-06-26 KR KR1020087026179A patent/KR101247617B1/ko active IP Right Grant
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Also Published As
Publication number | Publication date |
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CN101460079B (zh) | 2012-12-12 |
US20100059505A1 (en) | 2010-03-11 |
KR101247617B1 (ko) | 2013-04-03 |
KR20090026120A (ko) | 2009-03-11 |
US8344297B2 (en) | 2013-01-01 |
CN101460079A (zh) | 2009-06-17 |
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