CN209574420U - Interior pot and electric cooking apparatus for electric cooking apparatus - Google Patents

Abstract

The utility model provides a kind of interior pot for electric cooking apparatus and electric cooking apparatus.Interior pot includes forming the ceramic body of opening at top, at least partly heats on the inner surface of ceramic body and has penetrated metal layer, the roughness of inner surface is 2-12 μm.Metal layer is arranged in ceramic body inner surface in interior pot according to the present utility model for electric cooking apparatus, and ceramic body can make the heat insulation effect of interior pot more preferable, and can make that the rice in interior pot is soft, more uniform temperature.Metal layer can increase the mechanical strength of interior pot, and can according to need the particular use of selection metal layer, optimize the cooking function of interior pot.In addition, suitable roughness is arranged by the inner surface in ceramic body, intensity of the ceramic body in conjunction with metal layer can be enhanced, keep the two fitting close, the service life of pot in increase.

Description

Interior pot and electric cooking apparatus for electric cooking apparatus

Technical field

The utility model generally relates to electric heating fixture fields, and relates more specifically to a kind of in electric cooking apparatus Pot and electric cooking apparatus.

Background technique

There is the electric cooking apparatus much heated by electromagnetic induction currently on the market, main substrate is all metal material Matter.Because the conductive performance of these metal materials is excessively good, when magnetic conduction heats, interior pot outer surface local heating, corresponding inside table Mian Yehui local heating, so that Shi Guonei rice local heating, causes the rice cooked to have the sallow phenomenon in part.In addition, in electricity Cooking apparatus usually has 4 stages, including water suction stage, temperature rise period, boiling stage, bored meal stage during cooking, commonly Metal material in pot cause rice uneven in bored meal phase temperature, to the soft effect of rice because its heat-conductive characteristic is excessively good Fruit is bad.Also, in metal material pot temperature scatter and disappear also than very fast, temperature fluctuation compare it is larger, to be unfavorable for rice Heat preservation.

In contrast, the interior cookware of ceramic material has good thermal insulation property.However ceramic material can not generate electromagnetism sense It should therefore can only be heated using electric hot tray.Some allow to using in ceramic inner vessel bottom patch magnetic conductive metal layer mode for electricity Magnetic heating.But this mode complex process, qualification rate is low, requires wall-attached surface flatness or curved surface size high.Ceramic inner vessel Dimensional tolerance is big, and correspondingly curved surface radian tolerance can be very big, and magnetic conductive metal layer is pasted on curved surface, often because radian mismatches And easy trapped gas generates bubble during attaching, influences the buckpot service life.When in addition biscuit of ceramics and magnetic conductive metal layer heat posted are attached Temperature requirement is also high.

Therefore, it is necessary to a kind of interior pots for electric cooking apparatus and electric cooking apparatus, at least to be partially solved existing skill The problem of art.

Utility model content

A series of concept of reduced forms is introduced in utility model content part, this will be in specific embodiment part Middle further description.The utility model content part of the utility model is not meant to attempt to limit claimed Technical solution key feature and essential features, do not mean that the guarantor for attempting to determine technical solution claimed more Protect range.

At least to be partially solved the above problem, the utility model provides a kind of interior pot for electric cooking apparatus, described Interior pot includes forming the ceramic body of opening at top, at least partly heats on the inner surface of the ceramic body and has penetrated gold Belong to layer, the roughness of the inner surface is 2-12 μm.

Metal layer, pottery is arranged in ceramic body inner surface in interior pot according to the present utility model for electric cooking apparatus Porcelain ontology can make the heat insulation effect of interior pot more preferable, and can make that the rice in interior pot is soft, more uniform temperature.Metal layer can It to increase the mechanical strength of interior pot, and can according to need the particular use of selection metal layer, optimize the cooking function of interior pot. In addition, suitable roughness is arranged by the inner surface in ceramic body, ceramic body can be enhanced in conjunction with metal layer Intensity keeps the two fitting close, increases the service life of interior pot.

Optionally, the metal layer is magnetic conductive metal layer or heat-conducting metal layer.According to this scheme, magnetic conductive metal layer can be with It realizes electromagnetic induction heating, improves heating efficiency, or heat transfer property can be enhanced in the inside setting heat-conducting metal layer of pot inside, Keep the temperature in interior pot uniform.

Optionally, the outer surface of the ceramic body at least partly heats and has penetrated magnetic conductive metal layer.According to this scheme, Electromagnetic induction heating may be implemented in magnetic conductive metal layer, improves heating efficiency.

Optionally, the outer surface of the ceramic body is provided with glaze layer, and the outer surface of the glaze layer is at least partly Hot melt has penetrated magnetic conductive metal layer, and the roughness of the outer surface of the glaze layer is 2-6 μm.According to this scheme, glaze layer be can be improved The mechanical strength and thermal stability of interior pot, and electromagnetic induction heating may be implemented in magnetic conductive metal layer, improves heating efficiency.

Optionally, the material of the magnetic conductive metal layer is aerdentalloy.According to this scheme, aerdentalloy can take into account electromagnetism Sensitivity and the performance in conjunction with pot wall.

Optionally, the inner surface of the metal layer is provided with non-sticking lining.According to this scheme, may be implemented not glue function Energy.

Optionally, the roughness of the inner surface in conjunction with the non-sticking lining of the metal layer is 2-6 μm.According to this Scheme, suitable roughness can increase intensity of the inner surface of pot wall in conjunction with non-sticking lining.

Optionally, the outer surface of the interior pot is provided with protective coating, and the protective coating at least covers the magnetic conduction Metal layer.According to this scheme, it can shield, prolong the service life to magnetic conductive metal layer.

Optionally, the roughness of the outer surface in conjunction with the protective coating of the magnetic conductive metal layer is 2-12 μm. According to this scheme, suitable roughness can increase intensity of the magnetic conductive metal layer in conjunction with protective coating.

Other side according to the present utility model also provides a kind of electric cooking apparatus, and the electricity cooking apparatus includes such as Preceding any interior pot.

Metal layer is arranged in ceramic body inner surface in electricity cooking apparatus according to the present utility model, interior pot, and ceramics are originally Body can make the heat insulation effect of interior pot more preferable, and can make that the rice in interior pot is soft, more uniform temperature.Metal layer can increase Add the mechanical strength of interior pot, and can according to need the particular use of selection metal layer, optimizes the cooking function of interior pot.Separately Outside, suitable roughness is arranged by the inner surface in ceramic body, it is strong in conjunction with metal layer that ceramic body can be enhanced Degree keeps the two fitting close, the service life of pot in increase.

Detailed description of the invention

The following drawings of the utility model embodiment is originally practical for understanding in this as a part of the utility model It is novel.Shown in the drawings of the embodiments of the present invention and its description, for explaining the principles of the present invention.In attached drawing In,

Fig. 1 is the vertical Section View according to the interior pot of a preferred embodiment of the utility model；

Fig. 2 is the partial cutaway view of the bottom wall of interior pot shown in FIG. 1；And

Fig. 3 is the method flow diagram according to pot in the manufacture of the first embodiment of the utility model.

Specific embodiment

In the following description, a large amount of concrete details are given more thoroughly to manage in order to provide to the utility model Solution.It will be apparent, however, to one skilled in the art that the utility model embodiment may not need one or more These a details and be carried out.In other examples, in order to avoid obscuring with the utility model embodiment, for Some technical characteristics well known in the art are not described.

In order to thoroughly understand the utility model embodiment, detailed structure will be proposed in following description.Obviously, originally The execution of utility model embodiment is not limited to the specific details that those skilled in the art is familiar with.

The electricity that interior pot according to the present utility model may be preferably applied to be heated by way of electromagnetic induction is cooked It prepares food utensil, it also can be applied to the electric cooking apparatus heated for example, by heating dish certainly.It is according to the present utility model Electric cooking apparatus can be electric cooker, electric pressure cooking saucepan or other electric heating cookers.It is to be appreciated that electricity according to the present utility model Cooking apparatus can also have the function of to cook congee, Baoshang etc. in addition to rice-cooking function.For simplicity, it is not shown in figure The overall structure diagram of electric cooking apparatus.The interior pot of the utility model will be hereafter described in detail.It should be noted that Directional terminology "inner" mentioned herein refers to that towards the direction inside interior pot, "outside" refers to back to the side inside interior pot To.

As shown in Figure 1, interior pot 100 is surrounded by pot wall, and top opening is formed at the top of it.Pot wall includes side wall 111, bottom Wall 112 and connection wall 113.Wherein, side wall 111 is substantially cylindrical in shape and vertically extending, forms top opening at top.Bottom wall 112 is generally circular and be laterally extended.Connection wall 113 connects side wall 111 and bottom wall 112 and rounding off.Side wall 111, bottom wall 112 and connection wall 113 surround the interior pot 100 with cavity jointly.In some cases .., side wall 111 can be substantial cylindrical, I.e. side wall is substantially straight along short transverse.But side wall 111 also it is so structured that in approximately spherical, i.e., side wall 111 is along height Degree direction outwardly protrudes in the middle part of being, also, is surface blending between side wall 111 and bottom wall 112.The top of side wall 111 can be with Outwardly extending flange is formed, in order to which user holds interior pot 100.

Specifically, the substrate of interior pot 100 according to the present utility model is ceramics namely ceramic body shown in Fig. 2 114.The ceramic body 114 is mainly biscuit of ceramics, and it is, for example, possible to use clay and spodumene, other special ores etc. to pass through The raw material of certain proportion mixing are fired.Using ceramics as the interior pot of base material, compared in pure metal material Pot, with certain gas permeability, and thermal conductivity is relatively poor, therefore heat storage capacity is more preferable, excellent thermal insulation performance.Above-mentioned spy Property can play beneficial effect in the processes such as bored meal of cooking.

As shown in Fig. 2, the inner surface of the ceramic body 114 of pot 100 is provided with metal layer 117 inside.Specifically, according to It needs, metal layer 117 can be magnetic conductive metal layer or heat-conducting metal layer.Wherein, heat-conducting metal layer makes substrate be the interior of ceramics Pot 100 can also be heated by the way of electromagnetic induction, improve heating efficiency.And heat-conducting metal layer can increase in interior pot 100 The heat transfer efficiency in portion makes to be rapidly achieved equal temperature state in interior pot 100, is conducive to optimize cooking process.

Wherein, magnetic conductive metal layer is made of the material that such as ferromagnetic material or aerdentalloy etc. can produce electromagnetic induction. In one embodiment, magnetic conductive metal layer can use the material of aerdentalloy.Can take into account in this way electromagnetic induction performance and Performance in conjunction with pot wall.Heat-conducting metal layer can then select the preferable aluminium of heating conduction, copper, nickel, chromium or tin etc..

The inner surface of ceramic body 114 is arranged in metal layer 117 by way of heating and penetrating.Before meltallizing, may be used also With to ceramic body 114 inner surface carry out blasting treatment to increase the roughness on the surface, thus increase metal layer 117 with The bond strength of ceramic body 114.Test confirms, when the roughness of the inner surface of ceramic body 114 is 2-12 μm, metal Bond strength between layer 117 and ceramic body 114 can satisfy requirement.In one embodiment, which can With 3 μm, 5 μm, 7 μm, 8 μm, 9 μm or 11 μm of selection etc..

In addition, magnetic conductive metal layer can also directly or indirectly be arranged on the lateral surface of pot wall.As depicted in figs. 1 and 2, it makes pottery The outer surface of porcelain ontology 114 is provided with glaze layer 118.Magnetic conductive metal layer 115 is arranged on the outer surface of glaze layer 118.Glaze layer 118 can be attached on the outer surface of ceramic body 114 by way of glaze spraying or leaching glaze and then high temperature sintering, in increasing The mechanical strength and thermal stability of pot 100, can also make the outer surface of interior pot 100 smooth, easy to clean, and be conducive to pair The following process of pot wall outer surface.

Magnetic conductive metal layer 115 is arranged at the position of bottom wall 112.Thus, it is possible to be arranged interior pot 100 in electromagnetism sense The top for answering heating device makes magnetic conductive metal layer 115 generate heat by way of electromagnetic induction, and heat is then passed through glaze layer 118 Ceramic body 114 is passed to, and then food is heated or kept the temperature.

Magnetic conductive metal layer 115 can be using meltallizing technique setting to the surface of glaze layer 118.The thickness of magnetic conductive metal layer 115 It can be set to 0.1~0.3mm.Thereby, it is possible to guarantee the effect of 115 electromagnetic induction heating of magnetic conductive metal layer, and thickness is suitable In.In one embodiment, the thickness of magnetic conductive metal layer 115 can be 0.2mm.

It is heated it is appreciated that heating device is traditionally arranged to be internal pot 100 from below, therefore it may only be necessary to pot inside Magnetic conductive metal layer 115 is arranged in 100 outer surface towards heating device, without all setting in its whole outer surface Magnetic conductive metal layer 115 is set, avoids increasing unnecessary cost, the metal layer 117 of the inside for being located at ceramic body 114 is also Similarly.As shown in Figure 1, in the present embodiment, glaze layer 118 is in the outer surface being located at 113 position of bottom wall 112 and connection wall It is provided with magnetic conductive metal layer 115, and does not do and is arranged in its outer surface for being located at the part of side wall 111.In the present embodiment, The entire inner surface of ceramic body 114 is arranged in metal layer 117.However, in other implementations, metal layer 117 It position can be similar with the setting position of magnetic conductive metal layer 115.

Before by magnetic conductive metal layer 115 meltallizing to the surface of glaze layer 118, the outer surface of glaze layer 118 can be carried out Blasting treatment is to increase the roughness on the surface.It can make to be preferably bonded between magnetic conductive metal layer 115 and glaze layer 118 in this way, Increase bond strength between the two, to extend the service life of interior pot 100.Test confirms, when the outer surface of glaze layer 118 Roughness be 2-6 μm when, the bond strength between magnetic conductive metal layer 115 and glaze layer 118 can satisfy requirement.At one In embodiment, which can choose 3 μm, 4 μm or 5 μm.

In addition, the outside table of ceramic body 114 can also be arranged in magnetic conductive metal layer 115 in a manner of directly penetrating by hot melt Face.Test confirms, when the roughness of the outer surface of ceramic body 114 is 8-12 μm, magnetic conductive metal layer 115 and ceramic body Bond strength between 114 can satisfy requirement.In one embodiment, which can choose 9 μm or 10 μm.

It continues to refer to figure 1 and Fig. 2, is additionally provided with protective coating 116 in the pot wall of pot 100 inside.Protective coating 116 can be with Using the high and wear-resisting material of silicone resin or fluororesin equal strength, there is good antirust, anti-corrosion, wear-resisting performance.Protection The outer surface that coating 116 is set to magnetic conductive metal layer 115 plays a protective role, to improve the durability of interior pot 100, extends Service life.Although being appreciated that and being only provided with protection in the outer surface of magnetic conductive metal layer 115 in the illustrated embodiment Coating 116 removes however, protective coating 116 can also be respectively provided in the entire outer surface of pot wall in other implementations Protection magnetic conductive metal layer 115, while the glaze layer 118 in the outside at 111 position of side wall also protected, further increase in The durability of pot 100.

To increase the bond strength between protective coating 116 and the outer surface of magnetic conductive metal layer 115, can be protected in spraying Blasting treatment is carried out to increase roughness to the outer surface of magnetic conductive metal layer 115 before protecting coating 116.Test confirms, when leading When the roughness of the outer surface of magnetic metal layer 115 is 2-12 μm, the bond strength between protective coating 116 be can satisfy Requirement.In one embodiment, which can choose 3 μm, 5 μm, 7 μm, 8 μm, 9 μm or 11 μm etc..

It is further preferred that the inner surface (namely inner surface of metal layer 117) in pot wall can also be sprayed and not glued Coating (not shown) is easy to use with realizing not viscous function.And to the inner surface of pot wall before spraying non-sticking lining Blasting treatment is carried out to increase roughness.Test confirms, when the roughness of the inner surface of pot wall is 2-6 μm, and does not glue Bond strength between coating can satisfy requirement.In one embodiment, the roughness can choose 3 μm, 4 μm or 5μm。

Method of the manufacture according to the present utility model for the interior pot of electric cooking apparatus is described below in reference to Fig. 3:

Step 1 is first carried out, forms the body construction of interior pot with ceramic material.

It specifically, can successively include following procedure: first by clay and spodumene, other special ores (according to internal pot Demand it is different, various ore compositions are also different) etc. stirred by special equipment it is concise at mud, and be divided into column clod (at Mud step)；Secondly pottery mud is put into plaster mold, goes out the pot gallbladder shape (molding process) needed with spinning or extrusion forming；It connects Divide mould overlap and sharp edge to fix (repaired biscuit step) on mold extra on the pot gallbladder of forming；Then by interior pot be put into wind room or It on level land, air-dries and dries, reduce the moisture content (air drying steps) in greenwave；By the polishing of greenwave surface, finishing, keep surface finer and smoother, Appearance is more good-looking, and size is more precisely (mill blank step)；Wind room is dried again, the moisture content in greenwave is reduced, when to reduce sintering Moisture content；Internal pot carries out high temperature sintering (about 800 DEG C or more), it should be noted that and it is sintered and refers under hot conditions, green body table Area reduces, the densification process (biscuiting step) that porosity reduces, mechanical performance improves；It then verifies that interior pot size, selects The greenwave of size qualification is to execute subsequent step.

Then step 2 is executed, blasting treatment is carried out to the inner surface of greenwave, reaches the second predetermined roughness.It should Second predetermined roughness is 2-12 μm, it is contemplated that process conditions and subsequent use environment, the second predetermined roughness can be 3 μ M, 5 μm, 7 μm, 8 μm, 9 μm or 11 μm.After blasting treatment, by interior pot cleaning, drying, to remove treated surface Greasy dirt, dust, soft layer etc., in order to subsequent processing.

Then execute step 3, greenwave inner surface formed metal layer, using meltallizing equipment will such as ferromagnetic material, It is preferable that aerdentalloy or silver etc. can generate the thermal conductivity such as permeability magnetic material such as aluminium, copper, nickel, chromium or the tin of electromagnetic induction Metal material meltallizing to greenwave inner surface predetermined position, to form metal layer.

Preferably, it can also continue to execute step 4, blasting treatment carried out to the outer surface of greenwave, reaches first Predetermined roughness.The predetermined position is the position for needing to be arranged magnetic conductive metal layer.First predetermined roughness is 8-12 μm, such as 9 μm or 10 μm.After blasting treatment, by interior pot cleaning, drying, with the greasy dirt, dust, soft layer etc. for removing surface, in order to Subsequent processing.

Then step 5 is executed, forms magnetic conductive metal layer in the outer surface of the greenwave after step 4 processing.It uses Such as ferromagnetic material, aerdentalloy or silver etc. can be generated the permeability magnetic material meltallizing of electromagnetic induction to the pottery of interior pot by meltallizing equipment The predetermined position of the outer surface of porcelain ontology, to form magnetic conductive metal layer.In the present embodiment, which is bottom wall With the outer surface of connection wall.Therefore, in above-mentioned steps 4, can the outer surface only to bottom wall and connection wall do at sandblasting Reason.Preferably, the thickness of magnetic conductive metal layer can be 0.1~0.3mm.

After the above step, non-sticking lining can be formed by interior spraying.To the metal layer for being located at pot wall inner surface Inner surface carry out blasting treatment, reach third predetermined roughness.The third predetermined roughness is 2-6 μm, according to work The demand of skill can be 3 μm, 4 μm or 5 μm.After blasting treatment, by interior pot cleaning, drying, to remove greasy dirt, the powder on surface Dirt, soft layer etc., reduce the risks such as the coating shedding peeling of attachment.Then it is formed in the inner surface of treated metal layer Non-sticking lining.Non-viscous paint is attached on the inner surface of the metal layer of pot wall inner surface by way of cold spraying, Then the two is made to combine closely by high temperature sintering, to realize not viscous function.

Or protective coating can also be formed by trypsin method, protective coating is formed in the outermost of pot wall.Outside to pot wall At least magnetic conductive metal layer part of side surface carries out blasting treatment, reaches the 4th predetermined roughness, the magnetic conduction after making meltallizing The surface fine of metal layer to increase its fine and smooth degree, while removing meltallizing oxidation on metal surface layer.4th predetermined roughness Substantially 2-12 μm.According to appearance and the demand of subsequent processing, which can be 3 μm, 5 μm, 7 μm, 8 μm, 9 μm or 11 μm.Then the wear-resistant paint of silicone resin or fluororesin etc. is attached to the outer surface of pot wall by cold spraying form.And pass through height Temperature sintering is allowed to be attached to the outside of pot wall well, plays a protective role, and enhances antirust, anti-corrosion, the wear-resisting performance of interior pot, prolongs Its long service life.Protective coating material should be at least covered on the outer surface of magnetic conductive metal layer.In the present embodiment, it protects Protect whole outer surfaces of coating covering pot wall.

It is to be appreciated that above embodiment is a kind of embodiment of pot in manufacturing, wherein each step is not necessarily all It is necessary, one or more of steps can be increased or decreased according to demand；Also, the sequence of each step is also not necessarily Be so it is fixed, its successive operation order can be adjusted according to demand.Such as the sequence of interior spraying process and trypsin method step can With reverse.

Hereafter other preferred embodiments according to the present utility model are briefly described, it should be noted that hereafter In the other embodiment that will describe it is roughly the same with above-mentioned embodiment, therefore for sake of simplicity, only difference is given With explanation.

In this second embodiment, the outer surface of greenwave is set up directly on not with magnetic conductive metal layer in first embodiment Together, in the present embodiment, glaze layer is arranged in the outer surface of greenwave, and the outer surface of glaze layer is arranged in magnetic conductive metal layer.Specifically Ground first passes through glaze spraying or soaks the forms such as glaze and enclose one layer of glaze layer in the outer surface of pottery embryo, then at 1000 DEG C after step 1 It is sintered under above hot environment, makes glaze layer high temperature crystallization.Step 4 is changed to carry out blasting treatment to the outer surface of glaze layer, makes it Reach the 5th predetermined roughness, the 5th predetermined roughness is 2-6 μm, such as 3 μm, 4 μm or 5 μm.It, will after blasting treatment Interior pot cleaning, drying, with the greasy dirt, dust, soft layer etc. for removing treated surface, in order to subsequent processing.Then pass through The mode similar with step 5 forms magnetic conductive metal layer in the outer surface of glaze layer.

Other side according to the present utility model also provides a kind of electric cooking apparatus.The electricity cooking apparatus includes above-mentioned The outer surface of ceramic body is provided with the interior pot of magnetic conductive metal layer.Due to the presence of magnetic conductive metal layer, the electricity cooking apparatus Pot in being heated using electromagnetic induction heater.

Metal layer, pottery is arranged in ceramic body inner surface in interior pot according to the present utility model for electric cooking apparatus Porcelain ontology can make the heat insulation effect of interior pot more preferable, and can make that the rice in interior pot is soft, more uniform temperature.Metal layer can It to increase the mechanical strength of interior pot, and can according to need the particular use of selection metal layer, optimize the cooking function of interior pot. In addition, suitable roughness is arranged by the inner surface in ceramic body, ceramic body can be enhanced in conjunction with metal layer Intensity keeps the two fitting close, increases the service life of interior pot.

Unless otherwise defined, the technology of technical and scientific term used herein and the technical field of the utility model The normally understood meaning of personnel is identical.Term used herein is intended merely to describe specifically to implement purpose, it is not intended that limit The utility model processed.Terms such as herein presented " settings " can both indicate that a component was attached directly to another portion Part can also indicate that a component is attached to another component by middleware.It describes in one embodiment herein Feature can be applied in combination another embodiment individually or with other feature, unless this feature is in another implementation It is not suitable for or is otherwise noted in mode.

The utility model is illustrated by above embodiment, but it is to be understood that, above embodiment It is only intended to the purpose illustrated and illustrated, and is not intended to limit the invention within the scope of described embodiment.This Field technical staff it is understood that introduction according to the present utility model can also make more kinds of variants and modifications, this A little variants and modifications are all fallen within the utility model range claimed.

Claims (10)

1. a kind of interior pot for electric cooking apparatus, which is characterized in that the interior pot includes forming the ceramics of opening originally at top Body, at least partly hot melt has penetrated metal layer on the inner surface of the ceramic body, and the roughness of the inner surface is 2- 12μm。

2. interior pot according to claim 1, which is characterized in that the metal layer is magnetic conductive metal layer or heat-conducting metal Layer.

3. interior pot according to claim 1, which is characterized in that the outer surface of the ceramic body at least partly heats Magnetic conductive metal layer is penetrated.

4. interior pot according to claim 1, which is characterized in that the outer surface of the ceramic body is provided with glaze layer, institute The outer surface for stating glaze layer, which at least partly heats, has penetrated magnetic conductive metal layer, and the roughness of the outer surface of the glaze layer is 2-6 μ m。

5. interior pot as claimed in any of claims 2 to 4, which is characterized in that the material of the magnetic conductive metal layer is Aerdentalloy.

6. interior pot according to claim 1, which is characterized in that the inner surface of the metal layer is provided with non-sticking lining.

7. interior pot according to claim 6, which is characterized in that the inside in conjunction with the non-sticking lining of the metal layer The roughness on surface is 2-6 μm.

8. interior pot according to claim 3 or 4, which is characterized in that the outer surface of the interior pot is provided with protective coating, The protective coating at least covers the magnetic conductive metal layer.

9. interior pot according to claim 8, which is characterized in that the magnetic conductive metal layer in conjunction with the protective coating The roughness of outer surface is 2-12 μm.

10. a kind of electricity cooking apparatus, which is characterized in that the electricity cooking apparatus includes as described in any one of claim 1-9 Interior pot.