CN109464020A - Ceramic cooker and preparation method thereof and cooking apparatus - Google Patents
Ceramic cooker and preparation method thereof and cooking apparatus Download PDFInfo
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- CN109464020A CN109464020A CN201710801687.2A CN201710801687A CN109464020A CN 109464020 A CN109464020 A CN 109464020A CN 201710801687 A CN201710801687 A CN 201710801687A CN 109464020 A CN109464020 A CN 109464020A
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- Prior art keywords
- ceramic
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- heat
- ferrite
- cooker
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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
- 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
- C04B41/5036—Ferrites
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/87—Ceramics
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention discloses a kind of ceramic cooker and preparation method thereof and cooking apparatus, which includes: ceramic pan ontology；Ferrite layer, the ferrite layer are arranged at least part outer surface of the ceramic pan ontology.The ceramic cooker has good magnetic property, and the bond strength of ceramic pan ontology and ferrite layer reaches 40MPa, and substrate does not crack for cooling thermal impact 5 times through 400-20 DEG C, and maximum electromagnetic heating power reaches 1600W, and non-corrosive.
Description
Technical field
The invention belongs to living electric apparatus technical fields, specifically, the present invention relates to ceramic cooker and preparation method thereof and
Cooking apparatus.
Background technique
Ceramic pan IH heating function is typically all by realizing in its outer surface composite material, mainly by covering
The methods of magnetic conductive film, spraying magnetic conductive metal realize magnetic conduction function, but due to the expansion coefficient difference of ceramic material and metal material
It is bigger, cause bond strength between the two not high, and combination process is more complicated and at high cost.
Therefore, the technology of the existing magnetic conduction function of realizing ceramic pan is further improved.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose that a kind of ceramic cooker and preparation method thereof and cooking apparatus, the ceramic cooker have good magnetic conductivity
Can, and the bond strength of ceramic pan ontology and ferrite layer reaches 40MPa, and cookware is not opened for cooling thermal impact 5 times through 400-20 DEG C
It splits, maximum electromagnetic heating power reaches 1600W, and non-corrosive, to meet the needs of people are to high quality health environment-friendly cookware.
In one aspect of the invention, the invention proposes a kind of ceramic cookers.According to an embodiment of the invention, the pottery
Porcelain cookware includes:
Ceramic pan ontology；
Ferrite layer, the ferrite layer are arranged at least part outer surface of the ceramic pan ontology.
Ceramic cooker according to an embodiment of the present invention has good magnetic property, and ceramic pan ontology and ferrite layer
Bond strength reach 40MPa, cookware does not crack for cooling thermal impact 5 times through 400-20 DEG C, and maximum electromagnetic heating power reaches 1600W,
And non-corrosive, to meet the needs of people are to high quality health environment-friendly cookware.
In addition, ceramic cooker according to the above embodiment of the present invention can also have the following additional technical features:
In some embodiments of the invention, the ceramic cooker further comprises: adamantine layer, and the adamantine layer is arranged in
On at least part outer surface of the ceramic pan ontology, and the ferrite layer is arranged at least one of the adamantine layer
Exceptionally on surface.Thus, it is possible to further increase the bond strength of ceramic pan ontology and ferrite layer.
In some embodiments of the invention, the ceramic pan body outer surface includes first part and second part, institute
Ferrite layer is stated to be arranged at least part of the second part.
In some embodiments of the invention, the ceramic cooker further comprises: heat-conducting layer, and the heat-conducting layer is arranged in
In at least part of the first part.Thus, it is possible to significantly improve the culinary art effect of the ceramic cooker.
It in some embodiments of the invention, include at least one of silver, aluminium, copper and zinc in the heat-conducting layer.As a result,
It can be further improved the culinary art effect of the ceramic cooker.
In some embodiments of the invention, the ceramic cooker further comprises: protective layer, and the protective layer is arranged in
In at least part of the heat-conducting layer.Thus, it is possible to improve the service life of the ceramic cooker.
In some embodiments of the invention, the protective layer is selected from silicone layer, high-temperature resistant rustproof paint layer and pottery
At least one of porcelain coating.Thus, it is possible to further increase the service life of the ceramic cooker.
In some embodiments of the invention, the ferrite layer with a thickness of 0.1-0.5mm
Thus, it is possible to further increase ceramic pan ontology and ferritic bond strength.
In some embodiments of the invention, the heat-conducting layer with a thickness of 0.04~0.4mm.Thus, it is possible to further
Improve the culinary art effect of the ceramic cooker.
In some embodiments of the invention, the protective layer with a thickness of 0.05~0.2mm.Thus, it is possible to further
Improve the service life of the ceramic cooker.
In another aspect of the invention, the invention proposes a kind of methods for preparing above-mentioned ceramic cooker.According to this hair
Bright embodiment, which comprises
(1) ceramic pan ontology is provided；
(2) the thermal spraying ferrite at least part outer surface of the ceramic pan ontology, so as in the ceramic pan
Ferrite layer is formed at least part outer surface of ontology.
The method according to an embodiment of the present invention for preparing ceramic cooker, which can be prepared, above-mentioned has the function of good magnetic conduction
Ceramic cooker, and the ceramic pan ontology of gained ceramic cooker and the bond strength of ferrite layer reach 40MPa, cookware warp
400-20 DEG C is not cracked for cooling thermal impact 5 times, and maximum electromagnetic heating power reaches 1600W, and non-corrosive, to meet people to high-quality
The demand of health environment-friendly cookware is measured, while this method is easy to operate.
In addition, the method according to the above embodiment of the present invention for preparing ceramic cooker can also have following additional technology
Feature:
In some embodiments of the invention, the method for preparing ceramic cooker further comprises: (3) are in the ceramics
On at least part outer surface of pot ontology before thermal spraying ferrite, in advance outside at least part of the ceramic pan ontology
Apply glaze on surface, by high temperature sintering, to form adamantine layer at least part outer surface of the ceramic pan ontology, and
Sanding processing is carried out to the adamantine layer.Thus, it is possible to significantly improve the bond strength of ceramic pan ontology and ferrite layer.
In some embodiments of the invention, the ceramic pan outer surface includes first part and second part, step (2)
It is carried out using the following steps: the thermal spraying ferrite at least part outer surface of the second part of the ceramic pan ontology,
To form ferrite layer at least part outer surface of the ceramic pan ontology second part.
In some embodiments of the invention, the method further includes (4) at least one in the first part
Divide upper thermal spraying heat-conducting metal, to form heat-conducting layer at least part of the first part.Thus, it is possible to significantly mention
The culinary art effect of the high ceramic cooker.
In some embodiments of the invention, the method further includes at least part of (5) in the heat-conducting layer
Sprayed protection material on outer surface, to form protective layer at least part outer surface of the heat-conducting layer.Thus, it is possible to
Significantly improve the service life of the ceramic cooker.
In the third aspect of the invention, the invention proposes a kind of cooking apparatus.According to an embodiment of the invention, described
Cooking apparatus include: include: cooking apparatus ontology；Coil panel limits heating zone in the coil panel and is located at the culinary art
Bottom in apparatus body；At least part of interior pot, the interior pot is arranged in the heating zone, wherein the interior pot is upper
The ceramic cooker stating the ceramic cooker or being obtained using method described above.The cooking apparatus is by using above-mentioned as a result,
Have the function of good magnetic conduction and ceramic pan ontology and the excellent ceramic cooker of metal material layer bond strength as inner pan body, it can
To significantly improve the culinary art effect of the cooking apparatus, to meet the needs of people are to high quality health environment-friendly cookware.
In addition, cooking apparatus according to the above embodiment of the present invention can also have the following additional technical features:
In some embodiments of the invention, along the short transverse of the ceramic cooker, along the ceramic cooker
Short transverse, ferrite layer is not higher than the coil panel on the ceramic cooker.
In some embodiments of the invention, the cooking apparatus is electric cooker.
In some embodiments of the invention, the electric cooker is IH electric cooker.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the vertical section structure figure of ceramic cooker according to an embodiment of the invention；
Fig. 2 is the vertical section structure figure of the ceramic cooker of further embodiment according to the present invention；
Fig. 3 is the vertical section structure figure of the ceramic cooker of another embodiment according to the present invention；
Fig. 4 is the vertical section structure figure of the ceramic cooker of another embodiment according to the present invention；
Fig. 5 is the vertical section structure figure of the ceramic cooker of another embodiment according to the present invention；
Fig. 6 is the method flow schematic diagram according to an embodiment of the invention for preparing ceramic cooker；
Fig. 7 is the method flow schematic diagram for preparing ceramic cooker of further embodiment according to the present invention；
Fig. 8 is the method flow schematic diagram for preparing ceramic cooker of another embodiment according to the present invention；
Fig. 9 is the method flow schematic diagram for preparing ceramic cooker of another embodiment according to the present invention；
Figure 10 is the vertical section structure figure of cooking apparatus according to an embodiment of the invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In one aspect of the invention, the invention proposes a kind of ceramic cookers.According to an embodiment of the invention, with reference to figure
1, ceramic cooker includes ceramic pan ontology 100 and ferrite layer 200, and ferrite layer 200 is arranged in ceramic pan ontology 100
On at least part outer surface.Inventors have found that by arranging ferrite at least part outer surface of ceramic pan ontology
Layer, since ferrite has the function of good electromagnetic heating, so that the ceramic cooker of the structure has good magnetic conduction function
Can, while ferrite is metal oxide ceramic, also belongs to ceramic family, therefore its coefficient of expansion and ceramic pan ontology are very
It is close, thus bond strength (bond strength is up to 40MPa) with higher between ceramic pan ontology and ferrite layer, secondly,
Ferrite layer will not get rusty, to not need to do antirust coat again on the cookware ferrite layer of the structure, and then can reduce the pottery
The production process and cost of porcelain cookware, in addition the cookware of the structure does not crack for cooling thermal impact 5 times through 400-20 DEG C, and maximum electromagnetism adds
Thermal power reaches 1600W, to meet the needs of people are to high quality health environment-friendly cookware.
According to one embodiment of present invention, ceramic pan ontology 100 can be any ceramic pan existing in the prior art
Body, such as can be frying pan, steamer or pot for cooking rice etc..
Still another embodiment in accordance with the present invention, ferrite layer 200 can be arranged in the part appearance of ceramic pan ontology 100
On face or on entire outer surface, this those skilled in the art can be selected according to actual needs, such as with reference to Fig. 1, iron
Oxysome layer 200 can be arranged on the entire outer surface of ceramic pan ontology.As a result, by the outer surface of entire ceramic pan ontology
Upper arrangement ferrite layer, it is ensured that being formed by ceramic cooker has the function of good magnetic conduction, to improve ceramic cooker
Cook effect.
According to still another embodiment of the invention, with reference to Fig. 2, ceramic cooker be may further include: adamantine layer 300.Root
According to a specific embodiment of the invention, adamantine layer 300 is arranged at least part outer surface of ceramic pan ontology 100, and
And ferrite layer 200 is arranged at least part outer surface of adamantine layer 300.Another specific implementation according to the present invention
Example, adamantine layer 300 can be arranged on the partial outer face of ceramic pan ontology 100 or entire outer surface on, ferrite layer 200 can
It, can be according to reality to this those skilled in the art on partial outer face to be arranged in adamantine layer 300 or on entire outer surface
It is selected, such as with reference to Fig. 2, adamantine layer 300 can be arranged on the entire outer surface of ceramic pan ontology 100, and
Ferrite layer 200 also is disposed on the entire outer surface of adamantine layer 300.Inventors have found that first in the appearance of ceramic pan ontology
Face applies one layer of glaze, by high temperature sintering, enamel hot mastication to form adamantine layer in the outer surface of ceramic pan ontology, and
The hot mastication point of enamel is obviously lower than ceramic pan ontology, and thereby may be ensured that has between ceramic pan ontology and ferrite layer
Excellent bond strength.Specifically, applying one layer of glaze in the outer surface of ceramic pan ontology first, by high temperature sintering, enamel is high
Temperature softening, to form adamantine layer in the outer surface of ceramic pan ontology, the ceramic pan for forming adamantine layer is then preheating to 100~
300 degree, while sanding processing is carried out to adamantine layer and then passes through thermal jet so that enamel bed roughness reaches Ry60~100 micron
It applies technique and forms ferrite layer in enamel layer surface.
According to the present invention in another embodiment, it is divided into first part with reference to the outer surface of Fig. 3, the ceramic pan ontology 100
11 and second part 12, wherein ferrite layer 200 is arranged at least part of second part 12, it is preferred that entire
Ferrite layer is arranged on two parts.It is to be understood that " first part " refers to the side wall of ceramic pan body outer surface herein
Upper part, " second part " refer to the other parts on ceramic pan body outer surface in addition to first part, i.e. ceramic pan ontology appearance
The lower part of surface side wall and bottom surface, specifically, those skilled in the art can be according to actual needs to first part and second
The size divided is selected.
According to still another embodiment of the invention, the thickness of ferrite layer is not particularly restricted, those skilled in the art
It can be selected according to actual needs, a specific embodiment according to the present invention, the thickness of ferrite layer can be 0.1-
0.5mm
Inventors have found that the ferrite layer using the application thickness range can guarantee between ceramic pan ontology and ferrite
With excellent bond strength, and gained ceramic cooker magnetic property with higher.
According to still another embodiment of the invention, with reference to Fig. 4, ceramic cooker may further include heat-conducting layer 400.According to
A specific embodiment of the invention, heat-conducting layer 400 can be arranged at least part of first part 11, it is preferred that such as
Figure, shown in 4, heat-conducting layer 400 can be arranged in entire first part 11.Inventors have found that by the of ceramic pan ontology
A part arrangement heat-conducting layer, first of the heat transfer that heat-conducting layer can rapidly generate second part to ceramic pan ontology
Point, so as to substantially reduce the upper and lower temperature difference of ceramic pot body, so that the food cooked is healthier and palatable deliciousness.Specifically
, it may include at least one of silver, aluminium, copper and zinc in heat-conducting layer.Inventors have found that the heat-conducting layer of the metalloid can be shown
The heat transfer efficiency for improving ceramic cooker better than other types is write, to reduce the upper and lower temperature difference of cookware, improves the culinary art effect of cookware
Fruit.
Another specific embodiment according to the present invention, heat-conducting layer thickness are not particularly restricted, those skilled in the art
Can be selected according to actual needs, a specific example according to the present invention, the thickness of heat-conducting layer can for 0.04~
0.4mm, preferably 0.2mm.Inventors have found that heat-conducting effect is poor, cannot pass in time if heat-conducting layer thickness is less than 0.04mm
Heat is passed, and heat-conducting layer thickness is greater than 0.4mm, so that heat-conducting layer is easy to fall off because of binding force difference.It is thick using the application as a result,
The heat-conducting layer of degree range can not only significantly improve the heating conduction of cookware, but also can falling off to avoid heat-conducting layer.
According to still another embodiment of the invention, with reference to Fig. 5, ceramic cooker may further include protective layer 500.According to
A specific embodiment of the invention, protective layer 500 can be arranged at least part of heat-conducting layer 400, it is preferred that as schemed
Shown in 5, protective layer 500 can be arranged on entire heat-conducting layer 400.Inventors have found that being arranged in the heat-conducting layer of first part has
Certain porosity, the metal in heat-conducting layer get rusty easily and it is dirty in use be easily accessible hole, and thermally conductive
Protective layer is arranged on layer again, which can be effectively prevented heat-conducting layer and get rusty and prevent dirty into hole, raising heat-conducting layer
Service life.Specifically, protective layer can be at least one in silicone layer, high-temperature resistant rustproof paint layer and ceramic coating
Kind.Inventors have found that the service life that other types improve ceramic cooker can be significantly better than using such protective layer.
Another specific embodiment according to the present invention, the thickness of protective layer are not particularly restricted, those skilled in the art
Member can be selected according to actual needs, and a specific example according to the present invention, the thickness of protective layer can be 0.05-
0.2mm, preferably 0.1mm.Inventors have found that antirust ability is bad, and thickness is greater than if protective layer thickness is less than 0.05mm
The decline of 0.2mm binding force, is easy to fall off.It can be made as a result, improving ceramic cooker using the protective layer of the application thickness range
With the quality for improving cookware while the service life.
Inventors have found that by arranging adamantine layer in ceramic pan body outer surface, then on the adamantine layer of first part
It arranges heat-conducting layer and protective layer, ferrite layer is arranged on the adamantine layer of the second part of ceramic pan body outer surface, due to iron
Oxysome has the function of good electromagnetic heating, so that the second part of the ceramic cooker of the structure has good magnetic conduction function
Can, while ferrite is metal oxide ceramic, also belongs to ceramic family, therefore its coefficient of expansion and ceramic pan ontology are very
It is close, so that (bond strength is reachable for bond strength with higher between the second part and ferrite layer of ceramic pan ontology
40MPa), secondly ferrite layer will not get rusty, so that the ceramic cooker of the structure has good quality, in addition,
Ferrite layer can heat pot body under electromagnetic action, however since ceramic pot body heating conduction is bad, lead to first part
With second part uneven heating so that ceramic pot body first part and the second part temperature difference increase, and by first
Heat-conducting layer is set in distribution, so that the heat that second part generates passes to rapidly first part by heat-conducting layer, so as to reduce
Ceramic pot body first part and the second part temperature difference, and then guarantee that the ceramic cooker has good culinary art effect, and leading
Protective layer is arranged on thermosphere, can be effectively prevented heat-conducting layer get rusty and prevent it is dirty enter hole, improve the use of ceramic cooker
Service life.Specifically, the cookware does not crack for cooling thermal impact 5 times through 400-20 DEG C, maximum electromagnetic heating power reaches 1600W.
In the second aspect of the invention, the invention proposes a kind of methods for preparing above-mentioned ceramic cooker.According to this hair
Bright embodiment, with reference to Fig. 6, this method comprises:
S100: ceramic pan ontology is provided
In the step, ceramic pan ontology can be any ceramic pot body existing in the prior art, for example, can for frying pan,
Steamer or pot for cooking rice etc..
S200: the thermal spraying ferrite at least part outer surface of ceramic pan ontology
In the step, in the step, the thermal spraying ferrite at least part outer surface of ceramic pan ontology, so as to
Ferrite layer is formed at least part outer surface of ceramic pan ontology.Inventors have found that by ceramic pan ontology at least
Thermal spraying forms ferrite layer on a part of outer surface, since ferrite has the function of good electromagnetic heating, so that institute
Obtaining ceramic cooker has the function of good magnetic conduction, while ferrite is metal oxide ceramic, also belongs to ceramic family, therefore
Its coefficient of expansion and ceramic pan ontology are very close, thus bond strength with higher between ceramic pan ontology and ferrite layer
(bond strength is up to 40MPa), secondly, ferrite layer will not get rusty, to not need on the ferrite layer of the cookware of the structure
Antirust coat is done again, and then can reduce the production process and cost of the ceramic cooker, and in addition the cookware of the structure is through 400-20 DEG C
It does not crack for cooling thermal impact 5 times, maximum electromagnetic heating power reaches 1600W, to have good culinary art effect.
According to one embodiment of present invention, can on the partial outer face to ceramic pan ontology or entire outer surface it is enterprising
Row thermal spraying forms ferrite layer, can select according to actual needs this those skilled in the art, such as can be to pottery
The entire outer surface of porcelain pot ontology carries out thermal spraying and forms ferrite layer, i.e. ferrite layer is arranged in the entire outer of ceramic pan ontology
On surface.Pass through the thermal spraying formation ferrite layer on the outer surface of entire ceramic pan ontology as a result, it is ensured that be formed by
Ceramic cooker has the function of good magnetic conduction, to improve the culinary art effect of ceramic cooker.
The thickness of still another embodiment in accordance with the present invention, ferrite layer is not particularly restricted, those skilled in the art
It can be selected according to actual needs, a specific embodiment according to the present invention, the thickness of ferrite layer can be 0.1-
0.5mm.Inventors have found that can guarantee have between ceramic pan ontology and ferrite using the ferrite layer of the application thickness range
There are excellent bond strength, and gained ceramic cooker magnetic property with higher.
The method according to an embodiment of the present invention for preparing ceramic cooker, which can be prepared, above-mentioned has the function of good magnetic conduction
Ceramic cooker, and the ceramic pan ontology of gained ceramic cooker and the bond strength of ferrite layer reach 40MPa, cookware warp
400-20 DEG C is not cracked for cooling thermal impact 5 times, and maximum electromagnetic heating power reaches 1600W, and non-corrosive, while this method operation letter
Just.
According to one embodiment of present invention, with reference to Fig. 7, this method further comprises:
S300: at least part outer surface of ceramic pan ontology before thermal spraying ferrite material, in advance in ceramics
Apply glaze at least part outer surface of pot ontology
In the step, specifically, at least part outer surface of ceramic pan ontology before thermal spraying ferrite, in advance
Apply glaze at least part outer surface of ceramic pan ontology, by high temperature sintering, so as at least the one of ceramic pan ontology
Partial outer face formed adamantine layer, and to adamantine layer carry out sanding processing, then reheating sprayed ferrite adamantine layer at least
Ferrite layer is formed in a part.A specific embodiment according to the present invention, adamantine layer can be formed in ceramic pan ontology
On partial outer face or on entire outer surface, ferrite layer can be formed on the partial outer face of adamantine layer or entire outer surface
On, this those skilled in the art can be selected according to actual needs, it is preferred that adamantine layer can be formed in ceramic pan sheet
On the entire outer surface of body, and ferrite layer is also formed on the entire outer surface of adamantine layer.Inventors have found that making pottery first
The outer surface of porcelain pot ontology applies one layer of glaze, and by high temperature sintering, enamel hot mastication is in the outer surface of ceramic pan ontology
Form adamantine layer, and the hot mastication point of enamel is obviously lower than ceramic pan ontology, thereby may be ensured that ceramic pan ontology with
There is excellent bond strength between ferrite layer.Specifically, applying one layer of glaze in the outer surface of ceramic pan ontology first, pass through
Then high temperature sintering, enamel hot mastication will form the pottery of adamantine layer to form adamantine layer in the outer surface of ceramic pan ontology
Porcelain pot is preheating to 100~300 degree, while carrying out sanding processing to adamantine layer, so as to reach Ry60~100 micro- for enamel bed roughness
Then rice sprays ferrite by hot-spraying technique and forms ferrite layer in enamel layer surface.
Still another embodiment in accordance with the present invention, ceramic pan outer surface include first part and second part, step S200
In, the thermal spraying ferrite material at least part outer surface of the second part of ceramic pan ontology, so as in ceramic pan sheet
Ferrite layer is formed at least part outer surface of body second part, it is preferred that forms ferrite on entire second part
Layer.
Still another embodiment in accordance with the present invention, with reference to Fig. 8, this method further comprises:
S400: the thermal spraying heat-conducting metal at least part of first part
In the step, can at least part of first part thermal spraying heat-conducting metal, so as in first part
Heat-conducting layer is formed at least part, it is preferred that thermal spraying can form heat-conducting layer in entire first part.Invention human hair
It is existing, heat-conducting layer, the heat that heat-conducting layer can rapidly generate second part are arranged by the first part in ceramic pan ontology
It is transmitted to the first part of ceramic pan ontology, so as to substantially reduce the upper and lower temperature difference of ceramic pot body, so that the food cooked
Object is healthier and palatable deliciousness.Specifically, heat-conducting metal may include at least one of silver, aluminium, copper and zinc.Invention human hair
Existing, the heat-conducting layer of the metalloid can be significantly better than the heat transfer efficiency that other types improve ceramic cooker, to reduce cookware
Upper and lower temperature difference improves the culinary art effect of cookware.
Another specific embodiment according to the present invention, heat-conducting layer thickness are not particularly restricted, those skilled in the art
Can be selected according to actual needs, a specific example according to the present invention, the thickness of heat-conducting layer can for 0.04~
0.4mm, preferably 0.2mm.Inventors have found that heat-conducting effect is poor, cannot pass in time if heat-conducting layer thickness is less than 0.04mm
Heat is passed, and heat-conducting layer thickness is greater than 0.4mm, so that heat-conducting layer is easy to fall off because of binding force difference.It is thick using the application as a result,
The heat-conducting layer of degree range can not only significantly improve the heating conduction of cookware, but also can falling off to avoid heat-conducting layer.
Still another embodiment in accordance with the present invention, with reference to Fig. 9, this method further comprises:
S600: the sprayed protection material at least part outer surface of heat-conducting layer
In the step, can at least part outer surface of heat-conducting layer sprayed protection material, so as in heat-conducting layer
At least part forms protective layer on outer surface, it is preferred that thermal spraying forms protective layer on entire heat-conducting layer.Invention human hair
Existing, the heat-conducting layer for being arranged in first part has certain porosity, and the metal in heat-conducting layer gets rusty easily and in use process
In it is dirty be easily accessible hole, and arrange protective layer again on heat-conducting layer, the protective layer can be effectively prevented heat-conducting layer get rusty and
Prevent it is dirty enter hole, improve the service life of heat-conducting layer.Specifically, protective layer can be silicone layer, thermostable rustproof
At least one of dope layer and ceramic coating.It is mentioned inventors have found that other types can be significantly better than using such protective layer
The service life of high ceramic cooker.
Another specific embodiment according to the present invention, the thickness of protective layer are not particularly restricted, those skilled in the art
Member can be selected according to actual needs, and a specific example according to the present invention, the thickness of protective layer can be 0.05-
0.2mm, preferably 0.1mm.Inventors have found that antirust ability is bad, and thickness is greater than if protective layer thickness is less than 0.05mm
The decline of 0.2mm binding force, is easy to fall off.It can be made as a result, improving ceramic cooker using the protective layer of the application thickness range
With the quality for improving cookware while the service life.
Inventors have found that by the formation adamantine layer in ceramic pan body outer surface, then in the adamantine layer of first part
Upper formation heat-conducting layer and protective layer, form ferrite layer on the adamantine layer of the second part of ceramic pan body outer surface, due to
Ferrite has the function of good electromagnetic heating, so that the second part of the ceramic cooker of the structure has good magnetic conduction
Function, while ferrite is metal oxide ceramic, also belongs to ceramic family, therefore its coefficient of expansion and ceramic pan ontology are non-
Very close to so that (bond strength is reachable for bond strength with higher between the second part and ferrite layer of ceramic pan ontology
40MPa), secondly ferrite layer will not get rusty, so that the ceramic cooker of the structure has good quality, in addition,
Ferrite layer can heat pot body under electromagnetic action, however since ceramic pot body heating conduction is bad, lead to first part
With second part uneven heating so that ceramic pot body first part and the second part temperature difference increase, and by first
Heat-conducting layer is set in distribution, so that the heat that second part generates passes to rapidly first part by heat-conducting layer, so as to reduce
Ceramic pot body first part and the second part temperature difference, and then guarantee that the ceramic cooker has good culinary art effect, and leading
Protective layer is arranged on thermosphere, can be effectively prevented heat-conducting layer get rusty and prevent it is dirty enter hole, improve the use of ceramic cooker
Service life.Specifically, the cookware does not crack for cooling thermal impact 5 times through 400-20 DEG C, maximum electromagnetic heating power reaches 1600W.It needs
It is bright, it is above-mentioned to be directed to the feature and be equally applicable to the method for preparing ceramic cooker a little that ceramic cooker describes, herein not
It repeats again.
In the third aspect of the invention, the invention proposes a kind of cooking apparatus.According to an embodiment of the invention, with reference to
Figure 10, the cooking apparatus may include cooking apparatus ontology 13, coil panel 14 and interior pot 15, wherein coil panel 14, which limits, to be added
Hot-zone 10 and the bottom being located in cooking apparatus ontology 13, at least part of interior pot 15 are arranged in heating zone 10, and interior pot
For ceramic cooker described above or the ceramic cooker being prepared using method described above.The cooking apparatus passes through as a result,
Use it is above-mentioned have the function of good magnetic conduction and ceramic pan ontology and the excellent ceramic cooker of metal material layer bond strength as
Interior pot, under the action of coil panel, internal pot realizes electromagnetic heating, to meet people to the need of high quality health environment-friendly cookware
It asks.
According to one embodiment of present invention, with reference to Figure 10, along the short transverse of ceramic cooker, iron oxygen on ceramic cooker
Body layer 200 is not higher than coil panel 14, i.e. the upper end of the ferrite layer upper end that is not higher than coil panel, i.e. coil panel is by ceramic pan ontology
Outer surface be divided into first part and second part, the outer surface coil disk above section of ceramic pan ontology is defined as first
Point, second part is partially defined as below coil panel, and the cooking apparatus can be electric cooker, preferably IH electric cooker.
It should be noted that the above-mentioned feature and advantage for ceramic cooker and the method description for preparing ceramic cooker are same
Suitable for the cooking apparatus, details are not described herein again.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (19)
1. a kind of ceramic cooker characterized by comprising
Ceramic pan ontology；
Ferrite layer, the ferrite layer are arranged at least part outer surface of the ceramic pan ontology.
2. ceramic cooker according to claim 1, which is characterized in that further comprise:
Adamantine layer, the adamantine layer is arranged at least part outer surface of the ceramic pan ontology, and the ferrite
Layer arrangement is at least part outer surface of the adamantine layer.
3. ceramic cooker according to claim 2, which is characterized in that the ceramic pan body outer surface includes first part
And second part, the ferrite layer are arranged at least part of the second part.
4. ceramic cooker according to claim 3, which is characterized in that further comprise:
Heat-conducting layer, the heat-conducting layer are arranged at least part of the first part.
5. ceramic cooker according to claim 4, which is characterized in that include in silver, aluminium, copper and zinc in the heat-conducting layer
It is at least one.
6. ceramic cooker according to claim 4 or 5, which is characterized in that further comprise:
Protective layer, the protective layer are arranged at least part of the heat-conducting layer.
7. ceramic cooker according to claim 6, which is characterized in that the protective layer is selected from silicone layer, high temperature resistant
At least one of antirusting paint layer and ceramic coating.
8. ceramic cooker according to claim 1-7, which is characterized in that the ferrite layer with a thickness of 0.1-
0.5mm。
9. ceramic cooker according to claim 4 or 5, which is characterized in that the heat-conducting layer with a thickness of 0.04~
0.4mm。
10. ceramic cooker according to claim 6 or 7, which is characterized in that the protective layer with a thickness of 0.05~
0.2mm。
11. a kind of method for preparing ceramic cooker of any of claims 1-10 characterized by comprising
(1) ceramic pan ontology is provided；
(2) the thermal spraying ferrite at least part outer surface of the ceramic pan ontology, so as in the ceramic pan ontology
At least part outer surface on form ferrite layer.
12. according to the method for claim 11, which is characterized in that further comprise:
(3) at least part outer surface of the ceramic pan ontology before thermal spraying ferrite, in advance in the ceramic pan
Apply glaze at least part outer surface of ontology, by high temperature sintering, so as at least part of the ceramic pan ontology
Outer surface forms adamantine layer, and carries out sanding processing to the adamantine layer.
13. according to the method for claim 12, which is characterized in that the ceramic pan outer surface includes first part and second
Part, step (2) are carried out using the following steps: hot at least part outer surface of the second part of the ceramic pan ontology
Sprayed ferrite, to form ferrite layer at least part outer surface of the ceramic pan ontology second part.
14. according to the method for claim 13, which is characterized in that further comprise:
(4) the thermal spraying heat-conducting metal at least part of the first part, so as at least the one of the first part
Heat-conducting layer is formed on part.
15. according to the method for claim 14, which is characterized in that further comprise:
(5) the sprayed protection material at least part outer surface of the heat-conducting layer, so as at least the one of the heat-conducting layer
Protective layer is formed on partial outer face.
16. a kind of cooking apparatus characterized by comprising
Cooking apparatus ontology；
Coil panel limits heating zone in the coil panel and is located at the intrinsic bottom of the cooking apparatus；
At least part of interior pot, the interior pot is arranged in the heating zone,
Wherein, the interior pot is for ceramic cooker according to any one of claims 1 to 10 or using any one of 11~15 institutes
The ceramic cooker that the method for stating obtains.
17. cooking apparatus according to claim 16, which is characterized in that along the short transverse of the ceramic cooker, institute
It states ferrite layer on ceramic cooker and is not higher than the coil panel.
18. cooking apparatus according to claim 17, which is characterized in that the cooking apparatus is electric cooker.
19. cooking apparatus according to claim 18, which is characterized in that the electric cooker is IH electric cooker.
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| CN201710801687.2A CN109464020A (en) | 2017-09-07 | 2017-09-07 | Ceramic cooker and preparation method thereof and cooking apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710801687.2A CN109464020A (en) | 2017-09-07 | 2017-09-07 | Ceramic cooker and preparation method thereof and cooking apparatus |
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