CN107334359A - In cooker, cooker in pot and cooker pot manufacture method - Google Patents
In cooker, cooker in pot and cooker pot manufacture method Download PDFInfo
- Publication number
- CN107334359A CN107334359A CN201710288682.4A CN201710288682A CN107334359A CN 107334359 A CN107334359 A CN 107334359A CN 201710288682 A CN201710288682 A CN 201710288682A CN 107334359 A CN107334359 A CN 107334359A
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- Prior art keywords
- envelope portion
- interior pot
- envelope
- cooker
- base material
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- 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
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
-
- 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
-
- 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
- A47J36/24—Warming devices
- A47J36/2483—Warming devices with electrical heating means
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Cookers (AREA)
Abstract
The problem of the present invention be to provide the lightweight that can realize interior pot, the thickness cooker that also part is variable and magnetic metal is strong with the bond strength of interior pot base material of magnetic material, in cooker in pot and cooker pot manufacture method.The method for solving problem is that cooker possesses main body (2), the interior pot (4) that is accommodated in main body (2) and located at main body (2) and internally pot (4) carries out the load coil (6) of sensing heating.The outer surface of pot base material (11) and the 1st envelope portion (12), the 2nd envelope portion (13) as the magnetic envelope to be attached at the surface in a manner of covering the surface in the 1st envelope portion (12) and the 3rd envelope portion (14) set in a manner of covering all surfaces in the 1st envelope portion (12) and the 2nd envelope portion (13) that are laminated in interior pot (4) possesses interior pot base material (11), magnetic powder invades.
Description
Technical field
The present invention relates to the manufacture method of pot in pot in cooker, cooker and cooker.
Background technology
As the material of interior pot, electromagnetic induction heating type cooker is usually that outside is felt using by load coil
The magnetic material that should be heated, inner side using the good material of heat conductivity, so as to by from by sensing heating and the magnetic generated heat
The heat of material is transferred uniformly into the rice inside interior pot.
As their material, as Patent Document 1, outside uses the stainless steel plate as magnetic material, inner side more
It is use the material that the clad material drawing that aluminium sheet has been made is processed as to interior pot shape more.
In addition, as shown in patent document 2, also following manner：The bottom surface laying conduct of the external mold of pot shape in formation
Plate-like stainless steel plate of magnetic metal material etc., in molten aluminum of the injection as nonmagnetic material thereon, using pressing mold from
Pressurizeed with high pressure and be molded interior pot in its top.
In addition, as shown in patent document 3, also following manner：Utilize the heat for making magnetic metal iron granules melt and hit
Preparation method is sprayed, iron granules is incorporated into the interior pot base material obtained by the good material of the heat conductivities such as aluminium is processed into interior pot shape
The part relative with load coil.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 5-199934 publications
Patent document 2：Japanese Unexamined Patent Publication 8-24123 publications
Patent document 3：Japanese Unexamined Patent Publication 11-276341 publications.
The content of the invention
Problems to be solved by the invention
However, in recent years, pot is also required to lightweight in cooker.In addition, in order to improve the taste of well-done rice, interior pot
Magnetic material also tend to low manufacturing cost and can partly change thickness.And then in above-mentioned thermal spraying preparation method, also in the presence of nothing
Method makes the problem of particulate of magnetic metal iron on pot base material including strong bond strength to form.
Therefore, problem of the invention is, there is provided can realize that the lightweight of interior pot, the thickness of magnetic material also partly may be used
Become and in cooker that the bond strength of magnetic metal and interior pot base material is strong, cooker in pot and cooker pot manufacture method.
For solving the method for problem
In order to solve above-mentioned problem, of the invention mode possesses interior pot base material, magnetic powder invades above-mentioned interior pot base
The outer surface of material and be laminated the 1st envelope portion, as to be attached at the table in a manner of covering the surface in above-mentioned 1st envelope portion
2nd envelope portion of the magnetic envelope in face and to cover all surfaces in above-mentioned 1st envelope portion and above-mentioned 2nd envelope portion
The 3rd envelope portion that mode is set.
The another way of the present invention possesses interior pot base material, magnetic powder invades the outer surface of above-mentioned interior pot base material and be laminated and
Into the 1st envelope portion and the 3rd envelope portion to be set in a manner of covering all surfaces in above-mentioned 1st envelope portion.
The another way of the present invention has：By cold spraying preparation method make magnetic powder impinge upon the outer surface of interior pot base material and
The 1st envelope portion formation process in the 1st envelope portion is formed in the outer surface；After above-mentioned 1st envelope portion formation process, pass through thermal jet
Applying preparation method makes nonmagnetic material impinge upon above-mentioned 1st envelope portion, and the 2nd envelope is formed in a manner of covering above-mentioned 1st envelope portion surface
The 2nd envelope portion formation process in portion；And after the 2nd envelope portion formation process, to cover above-mentioned 1st envelope portion and the above-mentioned 2nd
The mode of all surfaces in envelope portion forms the 3rd envelope portion formation process in the 3rd envelope portion.
The another way of the present invention has：Nonmagnetic material powder is set to impinge upon the outer surface of interior pot base material by cold spraying preparation method
And form the 1st envelope portion formation process in the 1st envelope portion；And after the 1st envelope portion formation process, to cover above-mentioned 1st quilt
The mode of all surfaces in film portion forms the 3rd envelope portion formation process in the 3rd envelope portion.
Invention effect
According to the present invention it is possible to provide the lightweight that can realize interior pot, also part is variable and magnetic for the thickness of magnetic material
Property the strong cooker of bond strength of metal and interior pot base material, in cooker in pot and cooker pot manufacture method.
Problem, composition and effect other than the above are become apparent by the explanation of following embodiment.
Brief description of the drawings
Fig. 1 is the profilograph as the cooker of embodiments of the invention 1.
Fig. 2 is the profilograph of pot in the cooker as one embodiment of the present of invention.
Fig. 3 is the manufacturing process for showing the interior pot that the manufacture method of the interior pot as one embodiment of the present of invention is related to
Flow chart.
Fig. 4 is the interior pot base material of pot in the cooker as one embodiment of the present of invention, the 1st envelope portion, the 2nd envelope portion
And the 3rd envelope portion stepped construction amplification profile the alternative photo (a) of accompanying drawing, as its part A enlarged drawing it is attached
Scheme alternative photo (b) and the alternative photo (c) of accompanying drawing as interior pot base material and the enlarged drawing of the boundary portion in the 1st envelope portion.
Fig. 5 is the envelope portion of formation the 1st as the interior pot base material of the interior pot of display intrusion one embodiment of the present of invention
The alternative photo (a) of accompanying drawing of the plan of iron granules and (b) of the alternative photo of accompanying drawing as its profile.
Fig. 6 be comparable to carry out one embodiment of the present of invention interior pot disbonded test when amplification profile accompanying drawing
Alternative photo (a) and alternative equivalent to the accompanying drawing of amplification profile when carrying out the disbonded test as the interior pot of comparative example
Photo (b).
Fig. 7 is the profilograph of pot in the cooker as embodiments of the invention 2.
Fig. 8 is the flow for showing the Nei Guo manufacturing processes that the manufacture method of the interior pot as embodiments of the invention 2 is related to
Figure.
Symbol description
1：Cooker；2：Main body；4：Interior pot；6：Load coil；11：Interior pot base material；12：1st envelope portion；13：2nd
Envelope portion；14：3rd envelope portion；S2：1st envelope portion formation process；S3：2nd envelope portion formation process；S4：3rd envelope portion shape
Into process.
Embodiment
Hereinafter, embodiments of the invention are illustrated using accompanying drawing.
Embodiment 1
[structure of cooker and its interior pot]
Fig. 1 is the profilograph of the cooker of the present embodiment.
In Fig. 1, in the inner side of the main body 2 of cooker (electric cooker) 1, the upper surface provided with the inwall for forming main body 2 is carried out
The protecting frame 3 of opening, in the protecting frame 3, is detachably accommodated with interior pot 4.
In the upper surface of main body 2, folding is freely provided with enclosing cover 5, can clog main body 2 and the upper surface of interior pot 4 is opened
Oral area.In the bottom surface sections of protecting frame 3, the load coil 6 provided with internal pot 4 progress sensing heating.
And in recent years, pot is except requiring excellent and to the heat the biography of heating as caused by electromagnetic induction heating in cooker
Lead it is excellent beyond, also require light.
Technology shown in above-mentioned patent document 1 is that outside uses the stainless steel plate as magnetic material, and inner side is passed using heat
The good clad material that aluminium sheet has been made of the property led, and the technology of interior pot shape is processed into drawing.
Part not relative with load coil is also included under the form, and all parts on the outside of interior pot are stainless
Steel plate, for electromagnetic induction heating, it is not necessary to which the part of magnetic metal is also covered by stainless steel, therefore the weight that interior pot be present increases
The problem of big.
Further, since the processing of sheet material, the thickness of interior pot is equal in all parts, can not partly change thickness for example
The part at only bottom thickens, can not in order to which rice is palatably cooked and part change the thickness of interior pot to adjust thermal conduction characteristic.
Interior pot shown in patent document 2 is to be forged by high-pressure smelting and added by the use of stainless steel as magnetic material etc.
The discoid device of the work aluminium good with heat transfer engages.As long as the magnetic material in outside is only located at and load coil
Relative part, the thickness of aluminum portions can carry out the shape of the mould of elevated pressurization according to the aluminium to melting and part changes
Become, this point solves the problem of patent document 1.
But its process manufactured is more, it is also necessary to melts the big equipment of forging, manufacturing cost becomes high, and existing can not
The problem of pot in providing cheaply.Specifically, in order that stainless steel is securely joined with aluminium, the disc shaped of magnetic metal needs
A certain degree of depth is wanted, it is necessary to following processes：As make iron melt obtained by particle collision its inner bottom surface, medial surface heat
Spray preparation method and be formed into the thermally sprayed coating of concaveconvex shape, by making the aluminium of melting enter the bumps combine both.
Technology shown in patent document 3 is：By thermal spraying preparation method, i.e.,：Melt magnetic metal iron granules and impinge upon
Part relative with load coil in the interior pot base material of interior pot shape is processed into the good material of the heat conductivities such as aluminium, so as to
The iron granules is set to be incorporated into interior pot base material.The part that the thermal spraying envelope of iron is formed by thermal spraying preparation method can arbitrarily select,
Such as only it can also be carried out in bottom surface.Furthermore it is possible to formed according to thermal spraying position and thermal spraying time closer to bottom surface center
The shape of any change that thickness be present such as thicker, the thermal conduction characteristic of interior pot can be adjusted and cook the rice of delicious food.
But the bond strength of pot base material in aluminium etc. and the iron layer generated by thermal spraying preparation method be present than other conventional examples
The weak problem of sub preparation method.As its countermeasure, it may be considered that internal pot base material implements blasting treatment, pot base material and iron layer in raising
Bond strength.However, due to the thermal expansion difference of aluminium and iron, difference is shunk, it is necessary to both is very strongly combined, blasting treatment
Need high cost, it is also necessary to high-tech.
Therefore, the interior pot 4 of the present embodiment is set to following composition, enabling realizes lightweight, the thickness of magnetic material
Also part is variable and the bond strength of magnetic metal and interior pot base material strengthens.
Fig. 2 is the profilograph of interior pot 4.Interior pot base material 11 is aluminum.Progress in the outer surface of the interior pot base material 11
Below the position of sensing heating, i.e. bottom and sidepiece, pot base material 11 in the particulate intrusion formed with magnetic powder such as iron powder
Outer surface and the 1st envelope portion 12 being laminated.In addition, in a manner of being formed further with the surface to cover the 1st envelope portion 12
Be attached at the surface as magnetic, the 2nd envelope portion 13 of envelope for example made of iron.1st envelope portion 12 and the 2nd envelope portion 13
The sensing heating of coil 6 is inductively heated as magnetic.
And then the 3rd envelope portion 14 to be set in a manner of covering all surfaces in the 1st envelope portion 12 and the 2nd envelope portion 13.The
3 envelope portions 14 are to protect the 1st envelope portion 12 and the 2nd envelope portion 13 to exempt from the diaphragm of corrosion.3rd envelope portion 14 can use non-
Magnetic, the material for example, at least using aluminium as main material.More specifically, the material that some silicon is mixed into aluminium can be used
Material is used as the 3rd envelope portion 14.
Or can also make nonmagnetic material powder, such as substantially 100% aluminium powder body invade the 2nd envelope portion 13 and be laminated and
Form the 3rd envelope portion 14.
Moreover, in whole outer surfaces of the interior pot 4 formed as above formed with antirust coat 15.In addition, pot 4 inside
Whole inner peripheral surfaces are formed with fluor resin coating 16.
Wherein, for convenience's sake, the 1st envelope portion 12, the 2nd envelope portion 13, the 3rd envelope portion 14, antirust coat 15, fluorine tree
The thickness of fat coating 16 is turgidly shown in Fig. 2.
Next, the action effect of the cooker 1 of the present embodiment is illustrated.
In Fig. 1, first, appropriate meter He Shui is put into interior pot 4 by user, is accommodated in main body 2, covers enclosing cover 5.Connect
Get off, if being operated to operating unit (not shown) and starting to cook, electric current flows in load coil 6, production
Raw high frequency magnetic field, the 1st, the 2nd envelope portion 12,13 of interior pot 4 bottom surface relative with load coil 6 are interior due to caused electric current
Generated heat by Joule heat.
The heat conducts via the 1st envelope portion 12 from the 2nd 13 inside pots of envelope portion base material 11, conducts to load coil
Meter He Shui directly over 6, simultaneously as the high thermal conductivity of the aluminium of interior pot base material 11 and the inwardly side conduction of pot 4.Except coming
From beyond the convection current of the water of the interior bottom of pot 4, heat also reaches the interior side of pot 4 to be carried out to rice and water by the heat transfer of interior pot 4
Heating, thus it is overall be uniformly heated, without unevenly, palatably carry out rice.
Soon, rice absorbs water, when the water in interior pot 4 disappears, the temperature rapid increase of the bottom of interior pot 4, and temperature detecting unit
(not shown) detects the rising and stops being powered to load coil 6, and heating terminates.Afterwards, the steaming of certain time is carried out
Boil, end of cooking.
Due to the heating in cooking, interior pot 4 is because the aluminium and the 2nd envelope portion 13, the iron in the 1st envelope portion 12 of interior pot base material 11
Thermal expansion difference and faying face produce stress.
But the 1st envelope portion 12 invades interior pot base material 11, both are engaged securely, thus will not be peeled off.
The 1st envelope portion 12 can be utilized iron is combined securely with interior pot base material 11, it is thus possible to pot base material 11 inside
The arbitrary position such as bottom, bottom sides engages iron with arbitrary thickness, can adjust the 1st envelope portion 12, the 2nd envelope portion 13
Thickness and the thermal conduction characteristic for adjusting interior pot 4, cook the rice of delicious food.
In addition, do not have contributive position that iron is set to sensing heating without side surface upper part of pot 4 etc. inside, using the teaching of the invention it is possible to provide light
The interior pot 4 quantified.
[manufacture method of interior pot]
Fig. 3 is the flow chart for the manufacturing process for showing interior pot 4.
In the manufacturing process, first manufacture in pot base material 11 (S1).Interior pot base material 11 is will be non magnetic as high heat transfer
The aluminium sheet drawing of the predetermined thickness of metal is processed into interior pot shape and manufactured.
Next, pass through the bottom of the outer surface of pot base material 11 including cold spraying preparation method and sidepiece the 1st envelope formed below
Portion 12 (S2) (the 1st envelope portion formation process).That is, the temperature less than fusing point make magnetic, such as iron powder particulate with the velocity of sound with
Including the high-speed impact of upper (such as more than 1500km/h) on pot base material 11, iron powder is set to be absorbed in outer surface and the layer of interior pot base material 11
It is folded, form the 1st envelope portion 12.It it is 100 μm or so for example on the thickness in the 1st envelope portion 12.
Next, on the 1st envelope portion 12, in the bottom and side with the interior pot base material 11 provided with the 1st envelope portion 12
Scope below portion is compared closer in the slightly narrow scope of bottom, by thermal spraying preparation method, using magnetic such as iron as material,
Form the 2nd envelope portion 13 (S3) (the 2nd envelope portion formation process).Thermal spraying preparation method is that the electric discharge for example, by about 2000 DEG C makes
Iron wire material melts, and in the case where electric arc welds, makes the particle of melting using compressed air with such as 300~400km/h speed
Degree is impinged upon on interior pot base material 11 and is laminated.On the 2nd envelope portion 13, for example, about 400 μm of thickness.
Next, by cover the 1st envelope portion 12 and the 2nd envelope portion 13 it is overall in a manner of, using nonmagnetic material as material, shape
Into the 3rd envelope portion 14 (S4) (the 3rd envelope portion formation process).3rd envelope portion 14 can be for example used using aluminium as main component
Material is formed by thermal spraying preparation method.This is that material obtained by a part of silicon has been mixed into such as aluminium.In thermal spraying preparation method, make
The material using aluminium as main component that temperature more than the fusing point of aluminium melts impinges upon the 1st envelope portion 12 and the 2nd envelope portion 13
On.
In addition, the 3rd envelope portion 14 can also utilize nonmagnetic material, for example use material (the aluminium powder body of substantially 100% aluminium
Particulate) formed by cold spraying preparation method.That is, by spraying high-pressure gas make temperature less than aluminium fusing point aluminium powder particles with
The high-speed impact more than velocity of sound is in the 1st envelope portion 12 exposed and the 2nd envelope portion 13.
Next, antirust coat 15 is implemented in whole outer surfaces of the interior pot base material 11 after the 3rd envelope portion 14 is formed, this
Outside, whole inner peripheral surfaces of pot base material 11 implement fluor resin coating 16 (S5) inside.Pass through pot 4 in the completion of above process.
Fig. 4 be as formed by above manufacture method interior pot base material 11, the 1st envelope portion 12, the 2nd envelope portion 13 and
The alternative photo of accompanying drawing of the amplification profile of the stepped construction in the 3rd envelope portion 14.Wherein, the 3rd envelope portion 14 be used it is above-mentioned
The example of thermal spraying preparation method.Understand that the 2nd envelope portion 13 is the situation of iron particle stacking and formation from Fig. 4 (a).Fig. 4 (b) is conduct
The accompanying drawing of interior pot base material 11, the 1st envelope portion 12 and the magnified partial view in the 2nd envelope portion 13 in Fig. 4 (a) part A is alternative
Photo, the boundary portion in the envelope portion 12 of interior pot base material 11 and the 1st shown in symbol 21, the surface of interior pot base material 11 that should be flat
Formed with bumps.Because in above-mentioned S2 processes, iron granules is so that the velocity of sound is impinged upon on interior pot base material 11 and has invaded interior pot base
In material 11.Fig. 4 (c) be as interior pot base material 11 and the further enlarged drawing of the boundary member in the 1st envelope portion 12 accompanying drawing it is alternative
Photo, it is seen that the bumps on the interior surface of pot base material 11 are obvious.
Fig. 5 (a) is the accompanying drawing as the plan of the iron granules in the envelope portion 12 of formation the 1st of pot base material 11 in display intrusion
Alternative photo, Fig. 5 (b) are the alternative photos of accompanying drawing as its profile.1st envelope portion 12 invades on the direction of white arrow.
Fig. 6 (b) is to implement above-mentioned sandblasting equivalent in internal pot base material 111 (the same material with interior pot base material 11)
After processing (symbol 112 is processing surface), with the 2nd envelope portion 13 likewise by shape on pot base material 111 including thermal spraying preparation method
Into the alternative photo of accompanying drawing of amplification profile during iron envelope 113.This is comparative example corresponding with the present embodiment, is into being about to iron
The material during disbonded test that envelope 113 is peeled off from interior pot base material 111.Iron envelope 113, symbol 114 are peeled off from interior pot base material 111
It is the space now formed between both.
On the other hand, Fig. 6 (a) be comparable under the case for this embodiment carry out disbonded test when amplification profile it is attached
Scheme alternative photo.Peeled off between 1st envelope portion 12 and the 2nd envelope portion 13 and form space 41.
It is as a result as follows in Fig. 6 (a) the present embodiment：Even if with 3 times or so of Fig. 6 (b) disbonded test peel off
Power, also do not peel off between the interior envelope portion 12 of pot base material 11 and the 1st, (symbol peeled off between the 1st envelope portion 12 and the 2nd envelope portion 13
Numbers 41 be the space now formed).
That is, compared with Fig. 6 (b) comparative example, under Fig. 6 (a) the case for this embodiment, it is possible to increase magnetic (the 1st quilt
Envelope portion 13 of film portion 12 and the 2nd) with the bond strength of interior pot base material 11.
Further, since forming the 1st envelope portion 12 by cold spraying preparation method, the 2nd envelope portion 13 is formed by thermal spraying preparation method,
The 1st envelope portion 12, the part of the 2nd envelope portion 13 is thickened or is thinned also can easily be carried out.That is, interior pot can be realized
4 lightweight, it can also realize that magnetic material thickness part is variable.
And then the 3rd envelope portion 14 manufacture use cold spraying preparation method in the case of, the thickness in the 3rd envelope portion 14 also becomes
It is easily controlled.
Moreover, the outer surface of pot 4 is formed with antirust coat 15 inside, even if making antirust coat 15 due to wearing away, damaging
Part peeling, and covered by the 3rd envelope portion 14, therefore, it is possible to preventing the 1st envelope portion 12 and the 2nd envelope portion 13 from giving birth to
Rust.
Embodiment 2
In the present embodiment, same symbol is used for part similarly to Example 1 etc., and omit detailed description.
[structure of cooker and its interior pot]
Fig. 7 is the profilograph of pot in the cooker of the present embodiment.The cooker of the present embodiment and the cooker of embodiment 1
1 is same.The distinctive points of the present embodiment and embodiment 1 first consist in the structure of interior pot, the interior pot of the present embodiment shown in Fig. 7
51 is different from above-mentioned interior pot 4, in the formation part in the 2nd envelope portion 13, instead of the 2nd envelope portion 13 formed with the 1st envelope portion 12.
That is, only formed by the magnetic of the sensing heating of load coil 6 by the 1st envelope portion 12, the 1st envelope portion 12 is magnetic
Below bottom surface and the side of the outer surface of the interior pot base material 11 of pot 4 and it is laminated in powder, the intrusion of such as iron powder particulate.
1st envelope portion 12 is securely joined with as described above with interior pot base material 11.Therefore, with being also laminated the 2nd envelope portion 13
Embodiment 1 is compared, and the present embodiment can make the combination of interior pot base material 11 and magnetic further firm.
Furthermore it is possible to omit the formation process in the 2nd envelope portion 13, thus manufacturing cost can be reduced compared with Example 1.
[manufacture method of interior pot]
Fig. 8 is the flow chart of the manufacture method for the interior pot for illustrating the present embodiment.The present embodiment and the manufacture method of embodiment 1
Difference is, eliminates S3 the 2nd envelope portion formation process.Thus, the magnetic for being formed at interior pot base material 11 is only the 1st
Envelope portion 12.
As described above, carried out with carrying out 3 times or so of power of disbonded test in comparative example Fig. 6 (b) of embodiment 1 example
In Fig. 6 (a) of disbonded test example, the 1st envelope portion 12 is not also peeled off from interior pot base material 11.Understand, by sensing heating line
The magnetic for enclosing 6 sensing heatings is only formed by the 1st envelope portion 12, is also not easy to peel off from interior pot base material 11 compared with Example 1.
Further, since eliminating S3 the 2nd envelope portion formation process, therefore it can reduce be manufactured into compared with Example 1
This.
It is explained, the present invention is not limited to above-described embodiment, and it includes various modifications example.For example, in order to easy
Understand that the present invention will be described on ground, above-described embodiment is illustrated in detail, but is not necessarily limited to possess illustrated
Whole compositions.Furthermore, it is possible to a part for the composition of certain embodiment is substituted for the composition of other embodiment, in addition, may be used also
To increase the composition of other embodiment in the composition of certain embodiment.In addition, a part for the composition for each embodiment, also may be used
To carry out addition, deletion, the replacement that other are formed.
Claims (12)
1. a kind of cooker, it is characterised in that possess：
Main body,
The interior pot that is accommodated in the main body and
The load coil of sensing heating is carried out located at the main body and to the interior pot,
The interior pan is standby：
Interior pot base material,
The 1st envelope portion that magnetic powder invades the outer surface of the interior pot base material and is laminated,
The 2nd envelope portion as the magnetic envelope to be attached at the surface in a manner of covering the surface in the 1st envelope portion, with
And
The 3rd envelope portion set in a manner of covering all surfaces in the 1st envelope portion and the 2nd envelope portion.
2. a kind of cooker, it is characterised in that possess：
Main body,
The interior pot that is accommodated in the main body and
The load coil of sensing heating is carried out located at the main body and to the interior pot,
The interior pan is standby：
Interior pot base material,
The 1st envelope portion that magnetic powder invades the outer surface of the interior pot base material and is laminated and
By the 3rd envelope portion set in a manner of covering all surfaces in the 1st envelope portion.
3. cooker according to claim 1 or 2, the 3rd envelope portion be nonmagnetic material invade the 1st envelope portion and
The 2nd envelope portion is simultaneously laminated.
4. cooker according to claim 1 or 2, it is characterised in that the 1st envelope portion and the 2nd envelope portion are
Made of iron, aluminium is at least contained in the 3rd envelope portion.
5. pot in a kind of cooker, it is characterised in that possess：
Interior pot base material,
The 1st envelope portion that magnetic powder invades the outer surface of the interior pot base material and is laminated,
The 2nd envelope portion as the magnetic envelope to be attached at the surface in a manner of covering the surface in the 1st envelope portion, with
And
The 3rd envelope portion set in a manner of covering all surfaces in the 1st envelope portion and the 2nd envelope portion.
6. pot in a kind of cooker, it is characterised in that possess：
Interior pot base material,
The 1st envelope portion that magnetic powder invades the outer surface of the interior pot base material and is laminated and
By the 3rd envelope portion set in a manner of covering all surfaces in the 1st envelope portion.
7. pot in the cooker according to claim 5 or 6, the 3rd envelope portion is that nonmagnetic material invades the 1st envelope
Portion and the 2nd envelope portion are simultaneously laminated.
8. pot in the cooker according to claim 5 or 6, it is characterised in that the 1st envelope portion and the 2nd envelope
Portion is made of iron, and aluminium is at least contained in the 3rd envelope portion.
9. the manufacture method of pot in a kind of cooker, it has：
1st envelope portion formation process, magnetic powder is set to impinge upon the outer surface of interior pot base material and outer at this by cold spraying preparation method
Surface forms the 1st envelope portion；
2nd envelope portion formation process, after the 1st envelope portion formation process, hit nonmagnetic material by thermal spraying preparation method
In the 1st envelope portion, the 2nd envelope portion is formed in a manner of covering the 1st envelope portion surface；And
3rd envelope portion formation process, after the 2nd envelope portion formation process, to cover the 1st envelope portion and the 2nd envelope
The mode of all surfaces in portion forms the 3rd envelope portion.
10. the manufacture method of pot in a kind of cooker, it has：
1st envelope portion formation process, nonmagnetic material powder is set to impinge upon the outer surface of interior pot base material to be formed by cold spraying preparation method
1st envelope portion；And
3rd envelope portion formation process, after the 1st envelope portion formation process, to cover the side of all surfaces in the 1st envelope portion
Formula forms the 3rd envelope portion.
11. the manufacture method of pot in the cooker according to claim 9 or 10, it is characterised in that the 3rd envelope portion shape
It is that nonmagnetic material is impinged upon the 1st envelope portion and the 2nd envelope portion by cold spraying preparation method described to be formed into process
3rd envelope portion.
12. the manufacture method of pot in the cooker according to claim 9 or 10, it is characterised in that the 1st envelope portion shape
Into in process and the 2nd envelope portion formation process, the materials'use iron in the 1st envelope portion and the 2nd envelope portion is described
In 3rd envelope portion formation process, the materials'use aluminium in the 3rd envelope portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016091382A JP6704286B2 (en) | 2016-04-28 | 2016-04-28 | Rice cooker, rice cooker inner pot, and method of manufacturing rice cooker inner pot |
| JP2016-091382 | 2016-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107334359A true CN107334359A (en) | 2017-11-10 |
Family
ID=60219861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710288682.4A Pending CN107334359A (en) | 2016-04-28 | 2017-04-24 | In cooker, cooker in pot and cooker pot manufacture method |
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| Country | Link |
|---|---|
| JP (1) | JP6704286B2 (en) |
| CN (1) | CN107334359A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101327097A (en) * | 2007-06-21 | 2008-12-24 | 日立空调·家用电器株式会社 | Thermal insulation rice cooker |
| JP2009082262A (en) * | 2007-09-28 | 2009-04-23 | Hitachi Appliances Inc | Rice cooker and warmer |
| CN104814673A (en) * | 2014-01-30 | 2015-08-05 | 巴拉利尼保罗和菲格礼公司 | Vessel for cooking food for induction or conventional surfaces and forming method for vessel |
| JP2016000849A (en) * | 2014-06-11 | 2016-01-07 | 日本発條株式会社 | Production method of laminate, and laminate |
-
2016
- 2016-04-28 JP JP2016091382A patent/JP6704286B2/en active Active
-
2017
- 2017-04-24 CN CN201710288682.4A patent/CN107334359A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101327097A (en) * | 2007-06-21 | 2008-12-24 | 日立空调·家用电器株式会社 | Thermal insulation rice cooker |
| JP2009082262A (en) * | 2007-09-28 | 2009-04-23 | Hitachi Appliances Inc | Rice cooker and warmer |
| CN104814673A (en) * | 2014-01-30 | 2015-08-05 | 巴拉利尼保罗和菲格礼公司 | Vessel for cooking food for induction or conventional surfaces and forming method for vessel |
| JP2016000849A (en) * | 2014-06-11 | 2016-01-07 | 日本発條株式会社 | Production method of laminate, and laminate |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017196287A (en) | 2017-11-02 |
| JP6704286B2 (en) | 2020-06-03 |
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Address after: Tokyo, Japan Applicant after: Hitachi Global Living Program Co.,Ltd. Applicant after: PLASMA GIKEN Co.,Ltd. Address before: Tokyo, Japan Applicant before: Hitachi Appliances, Inc. Applicant before: PLASMA GIKEN Co.,Ltd. |
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Application publication date: 20171110 |
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