CN101327097A - Thermal insulation rice cooker - Google Patents
Thermal insulation rice cooker Download PDFInfo
- Publication number
- CN101327097A CN101327097A CNA2008100039650A CN200810003965A CN101327097A CN 101327097 A CN101327097 A CN 101327097A CN A2008100039650 A CNA2008100039650 A CN A2008100039650A CN 200810003965 A CN200810003965 A CN 200810003965A CN 101327097 A CN101327097 A CN 101327097A
- Authority
- CN
- China
- Prior art keywords
- inner bag
- iron
- heat
- rice cooker
- spraying plating
- 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.)
- Pending
Links
Images
Landscapes
- Cookers (AREA)
Abstract
The invention provides an inner container of an electromagnetic induction heating rice cooker, capable of enhancing induction heating efficiency for excellent electromagnetic heating induction capability. The rice cooker comprises a main body (1), a protection frame (3) composing inner wall of the main body (1), an inner container (4) detachably disposed in the protection frame (3), induction heating coils (5) disposed on outer side of the protection frame (3) and used for inducting to heat the inner container (4), and a lid (2) sealing the main body (1) and upper opening of the inner container (4). Inner wall (7) of the inner container (4) is made of aluminum panel (7), outer side of the inner container is made of metal coated material (9) of stainless steel panel, with iron sprayed thereon.
Description
Technical field
The heat-preservation electric rice cooker that the present invention relates to utilize electromagnetic induction heating to make the inner bag heating and cook.
Background technology
The electromagnetic induction heating type heat-preservation electric rice cooker, raw material as inner bag, generally use and utilize load coil and the magnetic material of eddy-current heating in the outside, in the inboard, the rice that is delivered to inner bag inside for the heat that makes the magnetic material generation of generating heat by utilizing eddy-current heating is equably gone up and the good material of use heat conductivity, as those raw materials, shown in patent documentation 1 (Japanese kokai publication hei 5-199934 communique), use the outside is corrosion resistant plate the inboard raw material that is processed into interior pot shape for the clad material constriction of aluminium sheet mostly.
In addition, shown in patent documentation 2 (Japanese kokai publication hei 8-24123 communique), the dish shape corrosion resistant plate of magnetic metal material on the bottom surface pad that holds mould of pot shape etc. is also arranged in making, inject the molten aluminum of nonmagnetic material in the above, utilize pressing mold from it face pressurize by high pressure and make in the scheme that is shaped of pot.
Have again, in order to realize the high efficiency of eddy-current heating, shown in patent documentation 3 (TOHKEMY 2000-116506 communique), the best iron of outside bottom surface portion spraying plating electromagnetic induction heating efficient at the inner bag of constriction processing aluminium sheet is also arranged, have again, in order to prevent getting rusty of iron plating surface, cover the scheme of iron plating surface ground spraying plating pottery or aluminium.
Be above-mentioned electromagnetic induction heating type heat-preservation electric rice cooker, though be preferably in and use the best iron of heating efficiency in the heating portion of inner bag, but because inner bag uses through the water periphery of being everlasting, therefore there is antirust problem, as mentioned above, shown in patent documentation 1,2,3 etc., use nonmagnetic substance in the inboard, magnetic material is used in the outside.
Wherein, become the scheme of patent documentation 1 expression of present main flow, since only be to use the outside for corrosion resistant plate, inboard be the clad material of aluminium sheet pot shape in only constriction is processed into, therefore though the cheap advantage of inner bag processing charges is arranged, the heating efficiency that has the corrosion resistant plate of magnetic is 78% level compared with 84% the low shortcoming of level of the iron of ferromagnetism body.
In addition, the scheme of patent documentation 2 expressions is when reality is made, because the intensity that the high pressure resistant fusion of magnetic metal material require is forged, therefore can not use the iron of ferromagnetism body, be limited on the corrosion resistant plate, thereby the shortcoming of the identical heating efficiency difference of existence and above-mentioned patent documentation 1.
In addition, according to the shape of interior pot, the problem that exists dish shape corrosion resistant plate to peel off from aluminum has owing to be that high-pressure smelting forges again, and therefore exists production cost greatly can not offer consumer's shortcoming at an easy rate.
Have again, the scheme of patent documentation 3 expression, though with the iron spraying plating on aluminium, can access the inner bag of the thermal efficiency occurred frequently, have the problem of spraying plating scope bottom being limited to.This is because if the spraying plating scope of iron is diffused near the inner bag upper end, the then difference that rises, shrink of the heat by aluminium and iron and the adhesion strength of spraying plating, and in sharply heating, when cooling off, the problem that exists iron to peel off from aluminium.
In addition, in recent years, though for the even heating property that improves rice also is provided with load coil on the top, side of inner bag, but because the iron spraying plating is also carried out in the side of inner bag as described above, and aluminium is to produce electromagnetic induction heating, therefore exists the top, side that can not be implemented in the inner bag that uses the iron spraying plating to be provided with the problem that constitutes of load coil.
Summary of the invention
The present invention is the scheme of doing in order to address the above problem, and just possesses in the scheme 1: main body; Constitute the bearer bar of this main body inner wall; Releasably leave the inner bag in this bearer bar in; Be configured in the outside of above-mentioned bearer bar and the load coil of eddy-current heating inner bag; And the heat-preservation electric rice cooker of the enclosing cover of the top peristome of sealing aforementioned body and inner bag, above-mentioned inner bag is to be that aluminium sheet, the outside are that the clad material of corrosion resistant plate constitutes by the inboard, and the iron spraying plating is constituted in the outside of above-mentioned corrosion resistant plate.
In the scheme 2, be to make the spraying plating of above-mentioned iron be formed in from the inner bag bottom surface to the upper end or near the scheme the upper end.
In the scheme 3, be to make the spraying plating of above-mentioned iron only be formed near the bottom surface of inner bag scheme.
According to the solution of the present invention 1, inner bag is made of the clad material that the corrosion resistant plate in the aluminium sheet of inboard and the outside forms, by with the outside of iron spraying plating,, can realize the high heating efficiency of eddy-current heating, the raising of electromagnetic induction heating performance again by the iron of ferromagnetism body at above-mentioned corrosion resistant plate.
According to scheme 2 since with the iron spraying plating near inner bag upper end or upper end, even therefore make the formation that is provided with load coil on the top, side of inner bag, also can high efficiency heating and further improve even heating property.
In addition, remove seam or difference of height by the continuity of the iron spraying plating of bottom and can improve cleaning, utilization improve accumulation of heat by spraying plating at the specific heat of the iron of side and when cooking the heat of savings, can effect even in stewing, also can keep high temperature and be related to province.
According to scheme 3, be to be with near the iron scheme of the spraying plating bottom surface only, the bottom is high efficiency eddy-current heating by iron, and side surface part also can be utilized the stainless steel sensor heating, and the weight increase that can suppress inner bag when can heat the side fully reduces cost.
Description of drawings
Fig. 1 is the longitudinal section of the heat-preservation electric rice cooker of expression one embodiment of the present of invention.
Fig. 2 is the longitudinal section of the heat-preservation electric rice cooker of expression other embodiments of the invention.
Among the figure:
The 1-main body, 2-enclosing cover, 3-bearer bar, 4-inner bag, 5-bottom surface heater coil, 6-side heat coil, 7-aluminium sheet, 8-corrosion resistant plate, 9-iron, 10-protective layer, the application of 11-polyfurolresin, the antirust heat resistant finish of 12-.
The specific embodiment
Followingly one embodiment of the present of invention are described according to Fig. 1.
Among Fig. 1, the bearer bar 3 of opening has been deposited inner bag 4 with freely loading and unloading in its bearer bar 3 on the inboard of the main body 1 of heat-preservation electric rice cooker is provided with.
On main body 1, switch freely is equipped with enclosing cover 2, and the top peristome of sealing main body 1 and inner bag 4.
In the outside bottom surface portion and the outer lateral side portion of above-mentioned bearer bar 3, be provided with the bottom surface heater coil 5 of bottom surface sections of eddy-current heating inner bag 4 and the side heat coil 6 of eddy-current heating side surface part.
Above-mentioned inner bag 4 constitutes, with the aluminium sheet 7 of thickness 1.8mm and 8 clads of the corrosion resistant plate with magnetic of thickness 0.5mm, its clad material pull and stretch is processed into the inner bag shape is positioned at the outside so that above-mentioned aluminium sheet 7 is positioned at inboard, the corrosion resistant plate 8 of inner bag 4, afterwards, again with the outside of iron 9 spraying platings at corrosion resistant plate 8.In the present embodiment, the spraying plating of iron 9 is applied near the upper end of inner bag 4, and thickness is 0.3～0.7 millimeter.This is that inner bag 4 is too heavy and can realize the thickness that the efficient of electromagnetic induction heating improves.Have again, in the mode that covers iron 9 with the protective layer 10 of aluminium or aluminium silicon with 0.1 millimeter thickness spraying plating in the outside of iron 9, it is antirust that iron 9 is carried out.The thickness of the protective layer 10 of this aluminium or aluminium silicon is the thickness that does not harm the electromagnetic induction heating of iron 9 and guarantee rustless property.Have, as the purpose that improves outward appearance and convenience, inner bag 4 is implemented polyfurolresin application 11 on the surface of the aluminium sheet 7 of inner face again, implements antirust heat resistant finish 12 on the surface of the spraying plating portion of the protective layer 10 of the aluminium in the outside or aluminium silicon.
Effect about the present embodiment that constitutes with said structure describes.
Among Fig. 1, at first, the user an amount of Mi Heshui that packs in inner bag 4 shuts enclosing cover 2 after leaving in the main body 1.
Secondly, if operating operation device (not shown) also begins to cook, then electric current flows through bottom surface heater coil 5 and side heat coil 6, produces alternating magnetic field and flow through eddy current on the iron 9 relative with this heater coil 5,6, and the Joule heat that utilizes this eddy current to produce carries out electromagnetic induction heating.In addition, the heat of iron 9 generations is cooked by rice and water that corrosion resistant plate 8 and the good aluminium sheet 7 of heat conduction are delivered to inner bag 4 inside.
Soon, if rice absorbs water and the water in the inner bag 4 are disappeared, then the temperature of inner bag 4 bottoms rises rapidly, and temperature-detecting device (not shown) detects its variations in temperature and stops energising to bottom surface heater coil 5 and side heat coil 6, thereby stops heating.Then, stewing again certain hour is finished and is cooked.
In addition, in above-mentioned electric cooker, among the present invention, constitute the heating efficiency that can improve eddy-current heating by iron 9 by the outside that makes inner bag 4.
In addition, also can adapt to, can realize the even heating property of rice for the bottom surface heater coil 5 of the bottom surface sections of two eddy-current heating inner bags 4 and the side heat coil 6 of eddy-current heating side surface part.
In addition, utilize the spraying plating of iron 9 to improve accumulation of heat, the heat dissipation capacity when reducing insulation also helps province's energy effect.
Have, (linear expansion coefficient, iron is about 11 * 10 by close corrosion resistant plate 8 is risen, shunk to iron 9 spraying platings to heat again
-6, the magnetic stainless steel is about 10 * 10
-6) on, even make iron 9 be located near inner bag 4 upper ends or the upper end formation, can realize also that cold and hot contraction difference is little, be provided with the formation of side heat coil 6 with needn't worrying to peel off on top, side.
In addition, even the formation of bottom surface heater coil 5 is only arranged in the bottom, also can make up with the upper end of iron 9 spraying platings being arrived inner bag 4 or near the inner bag the upper end 4.This occasion is not owing to have load coil on top, side, though therefore 9 pairs of the iron on top, side improve not contribution of the efficiency of heating surface, but the outside of inner bag 4 utilizes by the continuity of the iron spraying plating of bottom and removes seam or difference of height and can improve cleaning, use in addition by spraying plating the specific heat of the iron 9 of side improve accumulation of heat and when cooking the heat of savings, can in stewing, also keep high temperature.
What Fig. 2 represented is other embodiments of the invention.This occasion does not make iron 9 near inner bag 4 upper ends, only makes iron 9 spraying plating portions near the bottom surface of inner bag 4 and make.Therefore, can access the high efficiency eddy-current heating effect of iron 9 for bottom surface heater coil 5, though it is not because relative but relative with corrosion resistant plate 8 with iron 9 for side heat coil 6, even therefore also can form eddy-current heating at side heat coil 6, side heat also can be very fully, when can improve even heating property, the weight increase that can suppress inner bag 4 reduces cost.
In addition, though enumerated the example of the thickness of aluminium sheet 7, corrosion resistant plate 8, iron 9, aluminium or aluminium silicon protective layer 10 in the present embodiment, be not limited to these thickness.
Claims (3)
1. a heat-preservation electric rice cooker possesses: main body; Constitute the bearer bar of this main body inner wall; Releasably leave the inner bag in this bearer bar in; Be configured in the outside of above-mentioned bearer bar and the load coil of eddy-current heating inner bag; And the enclosing cover of the top peristome of sealing aforementioned body and inner bag, it is characterized in that,
Above-mentioned inner bag is that aluminium sheet, the outside are that the clad material of corrosion resistant plate constitutes by the inboard, and with the iron spraying plating in the outside of above-mentioned corrosion resistant plate and constitute.
2. heat-preservation electric rice cooker according to claim 1 is characterized in that,
Implement the spraying plating of above-mentioned iron from the inner bag bottom surface to the upper end or near the upper end.
3. heat-preservation electric rice cooker according to claim 1 is characterized in that,
Only near the bottom surface of inner bag, implement the spraying plating of above-mentioned iron.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007163287A JP2009000247A (en) | 2007-06-21 | 2007-06-21 | Rice cooker and warmer |
| JP2007163287 | 2007-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101327097A true CN101327097A (en) | 2008-12-24 |
Family
ID=40203284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100039650A Pending CN101327097A (en) | 2007-06-21 | 2008-01-23 | Thermal insulation rice cooker |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2009000247A (en) |
| CN (1) | CN101327097A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102133031A (en) * | 2011-01-28 | 2011-07-27 | 李玉青 | Electromagnetic electric cooker |
| CN102215613A (en) * | 2010-10-20 | 2011-10-12 | 王春凌 | Novel electromagnetic induction heating device |
| CN104223932A (en) * | 2013-06-17 | 2014-12-24 | 日立空调·家用电器株式会社 | Electric cooker |
| CN107334359A (en) * | 2016-04-28 | 2017-11-10 | 日立空调·家用电器株式会社 | In cooker, cooker in pot and cooker pot manufacture method |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009082262A (en) * | 2007-09-28 | 2009-04-23 | Hitachi Appliances Inc | Rice cooker and warmer |
| JP6248744B2 (en) * | 2014-03-27 | 2017-12-20 | 三菱電機株式会社 | Induction heating rice cooker |
| KR101480272B1 (en) * | 2014-04-28 | 2015-01-08 | (주)슈퍼지티코리아 | A cooking receptacle for induction range |
| JP6630509B2 (en) * | 2015-07-29 | 2020-01-15 | 日立グローバルライフソリューションズ株式会社 | rice cooker |
| CN106037453A (en) * | 2016-08-18 | 2016-10-26 | 莫苗 | Electromagnetically heatable inner container of electric rice cooker |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2701645B2 (en) * | 1992-02-19 | 1998-01-21 | 松下電器産業株式会社 | Electric rice cooker |
| JP3374758B2 (en) * | 1998-08-18 | 2003-02-10 | タイガー魔法瓶株式会社 | Electromagnetic rice cooker |
-
2007
- 2007-06-21 JP JP2007163287A patent/JP2009000247A/en active Pending
-
2008
- 2008-01-23 CN CNA2008100039650A patent/CN101327097A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102215613A (en) * | 2010-10-20 | 2011-10-12 | 王春凌 | Novel electromagnetic induction heating device |
| CN102133031A (en) * | 2011-01-28 | 2011-07-27 | 李玉青 | Electromagnetic electric cooker |
| CN104223932A (en) * | 2013-06-17 | 2014-12-24 | 日立空调·家用电器株式会社 | Electric cooker |
| CN104223932B (en) * | 2013-06-17 | 2017-04-12 | 日立空调·家用电器株式会社 | Electric cooker |
| CN107334359A (en) * | 2016-04-28 | 2017-11-10 | 日立空调·家用电器株式会社 | In cooker, cooker in pot and cooker pot manufacture method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009000247A (en) | 2009-01-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101327097A (en) | Thermal insulation rice cooker | |
| CN202287714U (en) | Inner pot for electromagnetic induction heating cooker | |
| JPS6127108Y2 (en) | ||
| RU2540875C2 (en) | Cooking boiler applicable for induction heating and such boiler manufacture method | |
| CN105520648A (en) | Manufacturing method of aluminum electromagnetic heating pot | |
| CN204351595U (en) | Interior pot and electric cooker | |
| CN106466116A (en) | A kind of automatic constant-temperature pan | |
| CN105112729A (en) | Film made of an alloy of aluminum and iron, use of such material in combination with an oscillating magnetic field and kitchen utensil for induction cooking, comprising such film | |
| JP2009082262A (en) | Rice cooker and warmer | |
| KR0171915B1 (en) | Rice cooker | |
| CN209574335U (en) | A kind of aluminium alloy inner container with meltallizing layer | |
| CN207940630U (en) | A kind of compound pot | |
| KR101763236B1 (en) | A Cooking Container for Induction | |
| CN205994250U (en) | Pan and culinary art assembly | |
| JP4961382B2 (en) | rice cooker | |
| CN207604771U (en) | Pot and heating cookware in composite base | |
| CN205947638U (en) | Pot and have its electric heating cooking appliance in combined material | |
| KR101049495B1 (en) | Bottom structure of induction heating vessel and its manufacturing method | |
| KR100656889B1 (en) | Oven for induction heating rice cooker and manufacturing method of thereof | |
| CN208784370U (en) | Cookware and cooking apparatus | |
| KR20030090585A (en) | Kitchen cooker used as induction range | |
| CN201911855U (en) | Electromagnetic heating safe cooking ware | |
| JP2009005788A (en) | Jar rice cooker | |
| CN209996038U (en) | kinds of ceramic pot | |
| CN207412031U (en) | A kind of liquid heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20081224 |