CN106136850B - Cooking container manufacturing method, cooking container and cooking appliance - Google Patents
Cooking container manufacturing method, cooking container and cooking appliance Download PDFInfo
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- CN106136850B CN106136850B CN201510185938.XA CN201510185938A CN106136850B CN 106136850 B CN106136850 B CN 106136850B CN 201510185938 A CN201510185938 A CN 201510185938A CN 106136850 B CN106136850 B CN 106136850B
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Abstract
The invention provides a cooking container manufacturing method, a cooking container and a cooking appliance, wherein the cooking container manufacturing method comprises the following steps: sequentially forming a first conductive layer, a magnetic conduction layer and a second conductive layer in a first designated area on the surface of the cooking container body; and sintering the cooking container body formed with the first conductive layer, the magnetic conduction layer and the second conductive layer to finish the manufacturing of the cooking container. The manufacturing method of the cooking container provided by the invention has the advantages that the manufacturing process is simple, the manufactured cooking container can be heated by using electromagnetic waves, and the far infrared heating film is arranged on the inner side of the body of the cooking container, so that the heating efficiency of the cooking container is further improved. In addition, the cooking container body can be made of ceramic or glass, so that the cooking container made by the manufacturing method has the advantages of a ceramic pot or a glass pot and also has the advantage of high heating efficiency.
Description
Technical Field
The invention relates to the field of household appliances, in particular to a cooking container, a cooking container and a cooking appliance.
Background
Most heating products in the current market such as plastic, iron, aluminum, stainless steel and other cooking containers can generate various secondary chemical reactions in the use process, generate metal ions and harmful substances, and have certain influence on human health. Therefore, glass containers or ceramic cooking containers are gradually popular, particularly ceramic cooking containers are popular among people due to good heat insulation performance, but the ceramic cooking containers or the glass cooking containers have no conductivity and no electromagnetic property and cannot be used on an induction cooker.
Therefore, how to design a ceramic or glass cooking container with a simple structure, which can be applied to an induction cooker, is a problem to be solved.
Disclosure of Invention
The present invention is based on at least one of the above technical problems, and provides a new cooking container, a cooking container and a cooking appliance.
In view of the above, the present invention provides a method for manufacturing a cooking container, including: sequentially forming a first conductive layer, a magnetic conduction layer and a second conductive layer in a first designated area on the surface of the cooking container body; and sintering the cooking container body formed with the first conductive layer, the magnetic conduction layer and the second conductive layer to finish the manufacturing of the cooking container.
In this technical scheme, first conducting layer, magnetic conduction layer and second conducting layer have set gradually in the bottom of culinary art container, and this first conducting layer, magnetic conduction layer and second conducting layer make the culinary art container can electrically conduct, the magnetic conduction heating to make this culinary art container can use on the electromagnetism stove, because the electromagnetism stove utilizes electromagnetic induction to produce the electric vortex on the body of culinary art container, thereby, improved this culinary art container's heating efficiency. In addition, because the bottom of the cooking container body is provided with the conductive and magnetic conductive layer, the solid cooking container body can be made into different cooking container bodies by selecting various materials, such as ceramic or glass materials, and a ceramic magnetic conductive pot and a glass magnetic conductive pot can be manufactured, so that the cooking container manufactured by the manufacturing method has the advantages of a ceramic pot or a glass pot and also has the advantage of high heating efficiency. Wherein, through sintering treatment back, electrically conductive magnetic conduction layer can be better with the body combination of culinary art container to improve the intensity and the life of culinary art container.
In the above technical solution, specifically, before a first conductive layer, a magnetic conductive layer, and a second conductive layer are sequentially formed in a first designated area on a surface of a cooking container body, the method includes the following steps: milling an organic mixture to form an organic slurry, wherein the organic mixture comprises ethyl cellulose and terpineol, and the weight percentage of ethyl cellulose in the organic mixture ranges from 20% to 30%; milling a mixture comprising a conductive metal material and the organic slurry to form a conductive slurry, wherein the conductive metal material is present in the mixture comprising the conductive metal material and the organic slurry in a weight percentage in the range of 65-75%; grinding a mixture comprising a magnetic material and the organic slurry to form a magnetically permeable slurry, wherein the magnetic material is present in the mixture comprising the magnetic material and the organic slurry in a weight percentage in the range of 60-70%.
In the technical scheme, the conductive metal material is silver-plated copper powder, and specifically, the particle size of the copper powder is 3-8 microns, and the silver content is 20-30% by weight; the magnetic material is preferably magnetic powder, wherein the Ni content in the magnetic powder is 80-82% by weight, the Fe content in the magnetic powder is 5.5-8.5% by weight, and the Mo content in the magnetic powder is 1.5-2.5% by weight, specifically, the particle size of the formed magnetic powder is 6-10 microns, and the magnetic conductivity is 14-500 u; the magnetic conductive slurry comprises the following specific preparation processes:
the first step is as follows: placing an organic mixture formed by 20-30% by weight of ethyl cellulose and 70-80% by weight of terpineol into a magnetic stirrer to stir for 3 hours, wherein the rotating speed in the magnetic stirrer is 1400rpm, and the temperature is 80 ℃; it should be noted that the ethyl cellulose can also be replaced by other organic carriers, specifically, the ethyl cellulose can be one or more of polymer resin (component is ethyl cellulose), methyl cellulose, cellulose nitrate and rosin; wherein the terpineol can be replaced by other organic solvents, specifically, one or more of butyl ether, 12-ester alcohol, ethylene glycol ethyl ether, turpentine, cyclohexanone and terpineol can be mixed in any proportion;
the second step is that: filtering the mixture by using a 300-400-mesh screen to form the organic slurry;
the third step: mixing 65-75% by weight of the copper powder, 5-10% by weight of glass powder and 20-25% by weight of the organic slurry, and grinding for 1 hour by using a three-roll grinder to form conductive slurry;
the fourth step: mixing 60-70% of magnetic powder, 5-10% of glass powder and 20-25% of the conductive slurry by weight, and then grinding for 1 hour by using a three-roll grinder to form magnetic conductive slurry; wherein, the grain diameter of the glass powder is 5-10 microns, preferably, an environment-friendly low-melting-point glass powder (SHBF-160) is selected, the sintering temperature is 490-700 ℃, and the components and the weight parts of the glass powder are as follows:
45 to 65 weight percent of Bi2O3 and SiO28-13% by weight of ZnO2-9% by weight of TiO21-6% by weight of SrO, 1-10% by weight of Al2O35-14% of the total weight.
In the above technical solution, specifically, before forming the first conductive layer, the magnetic conductive layer, and the second conductive layer, the method further includes the following steps: and cleaning and baking the cooking container body in sequence, wherein the temperature range of the baking process is 80-120 ℃, and the baking time range is 5-60 minutes.
In this technical scheme, specifically, can scrub cooking container body with scouring pad and cleaner, in addition, through preheating cooking container body, can improve the adhesion to cooking container body's surface when follow-up screen printing to improve magnetic conduction conductive film's reliability.
In the above technical solution, further, the forming of the first conductive layer, the magnetic conductive layer, and the second conductive layer in sequence includes the following specific steps: screen printing the conductive slurry on the cooking container body after the baking treatment is finished to form the first conductive layer; screen printing the magnetic conductive slurry on the first conductive layer to form the magnetic conductive layer; and screen printing the conductive slurry on the magnetic conduction layer to form the second conductive layer.
In this technical solution, specifically, the step of printing the first conductive layer includes: printing the conductive slurry on the bottom of a cooking container for 2 times by adopting a 250-300-mesh silk screen, wherein the film thickness is 4-8 microns, and then baking for 15 minutes at 120 ℃; the method comprises the following specific steps of: printing the magnetic conductive slurry on the first conductive layer for 3 times by adopting a 150-200-mesh silk screen, wherein the film thickness is 6-12 microns, and then baking for 15 minutes at 120 ℃; the specific steps of printing the second conductive layer are as follows: and printing the conductive slurry on the magnetic conduction layer for 2 times by adopting a 250-sand 300-mesh silk screen, wherein the film thickness is 4-8 microns, and then baking for 15 minutes at 120 ℃.
In the above technical solution, specifically, before sintering the cooking container body formed with the first conductive layer, the magnetic conductive layer, and the second conductive layer, the method further includes the following steps: forming a heat insulating protective layer on a second designated area of the outer surface of the cooking container body forming the first electrically conductive layer, the magnetically conductive layer and the second electrically conductive layer, wherein the second designated area comprises a bottom outer surface area and/or a side outer surface area of the cooking container body.
In the technical scheme, the heat insulation protective layer is preferably a glaze layer, specifically, the heat insulation protective layer coating is printed on the cooking container body for 3 times by adopting a 100-sand 150-mesh silk screen, the film thickness is 8-14 microns, and then the cooking container body is baked for 15 minutes at 120 ℃. Specifically, the heat insulation protective layer can protect the magnetic conduction layer, the first conductive layer and the second conductive layer at the bottom of the cooking container body and prevent the magnetic conduction layer, the first conductive layer and the second conductive layer from being scratched and corroded, so that the service lives of the magnetic conduction layer, the first conductive layer and the second conductive layer are prolonged, and the service life of the cooking container is prolonged; on the other hand, the heat insulation protective layer can prevent the heat loss generated by the magnetic conduction and the electric conduction of the magnetic conduction layer, the first conducting layer and the second conducting layer, thereby improving the heating efficiency of the cooking container.
In the above technical solution, the first designated area is an outer surface area of the bottom of the cooking container body, and the second designated area is an outer side area of the second conductive layer.
In the above technical solution, specifically, forming the heat insulation protective layer includes the following specific steps: making a mixture comprising a thermal insulating material and the organic slurry to form a thermal insulating coating; and screen-printing the heat insulation coating on the outer side of the magnetic conduction layer.
In the technical scheme, the heat insulation coating comprises the following components in percentage by weight: 40-50% of pigment of the body color of the cooking container, 35-45% of glass powder and 10-20% of the organic slurry.
In the above technical solution, the sintering process performed on the cooking container body on which the protective layer second conductive layer is formed includes the following specific steps: and baking the cooking container body with the second conductive layer, wherein the temperature range in the baking process is 550-600 ℃.
In this technical solution, specifically, the sintering process is performed on the cooking container body on which the second conductive layer is formed, and the method includes the following specific steps: and baking the cooking container body on which the first conductive layer, the magnetic conduction layer and the second conductive layer are formed, wherein the temperature range of the baking process is 550-600 ℃.
In the above technical solution, the method further comprises: and a far infrared heating film is formed on the inner side of the cooking container body, wherein the far infrared heating film is used for generating far infrared light.
In this technical scheme, the far infrared heating film passes through the spraying technology spraying in the inboard of culinary art container body, and this far infrared heating film rises at the heat back temperature that magnetic conduction layer, first conducting layer and second conducting layer produced to can produce far infrared light, and then the food in the heating culinary art container body, thereby improve the heating efficiency of culinary art container.
According to another aspect of the present invention, a cooking container is also provided, which is made by the method for making a cooking container according to the above technical solution.
In this technical scheme, because the cooking container has the manufacturing method of above-mentioned cooking container and makes, therefore, the bottom of this cooking container body includes from inside to outside in proper order: the heat insulation protective layer comprises a first conductive layer, a magnetic conduction layer, a second conductive layer and a heat insulation protective layer; wherein, the inner side of the cooking container body is also provided with a far infrared heating film.
Preferably, the thickness of the first conductive layer is in the range of 4-8 microns.
Preferably, the thickness of the second conductive layer is in the range of 4-8 microns.
Preferably, the thickness of the magnetically permeable layer is in the range of 6-12 microns.
Preferably, the thickness of the thermal insulation protective layer is in the range of 8-14 microns.
According to a third aspect of the present invention, there is also provided a cooking appliance, comprising: a cooking container as claimed in any preceding claim.
Drawings
Fig. 1 is a schematic structural view illustrating a cooking container manufactured by a method for manufacturing a cooking container according to an embodiment of the present invention;
fig. 2 is a schematic flow chart illustrating a method for manufacturing a cooking container according to an embodiment of the present invention;
fig. 3 is a flow chart illustrating a method for manufacturing a cooking container according to a preferred embodiment of the present invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
As shown in fig. 1 and 2, the present invention provides a method for manufacturing a cooking container, including: step 202, sequentially forming a first conductive layer 2, a magnetic conduction layer 4 and a second conductive layer 3 in a designated area of the surface of a cooking container body 1 for manufacturing the cooking container; step 204, sintering the cooking container body 1 formed with the second conductive layer 3 to complete the manufacture of the cooking container.
In this embodiment, the bottom of the cooking container is provided with the first conducting layer 2, the magnetic conducting layer 4 and the second conducting layer 3, and the first conducting layer 2, the magnetic conducting layer 4 and the second conducting layer 3 enable the cooking container to realize electromagnetic heating, so that the cooking container can be applied to an induction cooker, and as the induction cooker utilizes the electromagnetic induction to generate an eddy current on the cooking container body 1, the heating efficiency of the cooking container is improved. In addition, because the first conducting layer 2, the magnetic conducting layer 4 and the second conducting layer 3 are formed at the bottom of the cooking container body 1, the cooking container body 1 can be made of various materials, such as ceramic or glass materials, and a ceramic magnetic conducting pot and a glass magnetic conducting pot can be manufactured, so that the cooking container manufactured by the manufacturing method has the advantages of a ceramic pot or a glass pot and also has the advantage of high heating efficiency. After sintering, the first conducting layer 2, the second conducting layer 3 and the magnetic conduction layer 4 can be better combined with the body of the cooking container, so that the strength and the service life of the cooking container are improved.
In the above embodiment, specifically, before the first conductive layer 2, the magnetic conductive layer 4 and the second conductive layer 3 are sequentially formed on the first designated region of the surface of the cooking container body 1, the following specific steps are included: milling an organic mixture to form an organic slurry, wherein the organic mixture comprises ethyl cellulose and terpineol, and the weight percentage of ethyl cellulose in the organic mixture ranges from 20% to 30%; milling a mixture comprising a conductive metal material and the organic slurry to form a conductive slurry, wherein the conductive metal material is present in the mixture comprising the conductive metal material and the organic slurry in a weight percentage in the range of 65-75%; grinding a mixture comprising a magnetic material and the organic slurry to form a magnetically permeable slurry, wherein the magnetic material is present in the mixture comprising the magnetic material and the organic slurry in a weight percentage in the range of 60-70%.
In the embodiment, the conductive metal material is silver-plated copper powder, specifically, the particle size of the copper powder is 3-8 microns, and the silver content is 20-30% by weight; the magnetic material is preferably magnetic powder, wherein the Ni content in the magnetic powder is 80-82% by weight, the Fe content in the magnetic powder is 5.5-8.5% by weight, and the Mo content in the magnetic powder is 1.5-2.5% by weight, specifically, the particle size of the formed magnetic powder is 6-10 microns, and the magnetic conductivity is 14-500 u; the magnetic conductive slurry comprises the following specific preparation processes:
the first step is as follows: placing an organic mixture formed by 20-30% by weight of ethyl cellulose and 70-80% by weight of terpineol into a magnetic stirrer to stir for 3 hours, wherein the rotating speed in the magnetic stirrer is 1400rpm, and the temperature is 80 ℃; it should be noted that the ethyl cellulose can also be replaced by other organic carriers, specifically, the ethyl cellulose can be one or more of polymer resin (component is ethyl cellulose), methyl cellulose, cellulose nitrate and rosin; wherein the terpineol can be replaced by other organic solvents, specifically, one or more of butyl ether, 12-ester alcohol, ethylene glycol ethyl ether, turpentine, cyclohexanone and terpineol can be mixed in any proportion;
the second step is that: filtering the mixture by using a 300-400-mesh screen to form the organic slurry;
the third step: mixing 65-75% by weight of the copper powder, 5-10% by weight of glass powder and 20-25% by weight of the organic slurry, and grinding for 1 hour by using a three-roll grinder to form conductive slurry;
the fourth step: mixing 60-70% of magnetic powder, 5-10% of glass powder and 20-25% of the conductive slurry by weight, and then grinding for 1 hour by using a three-roll grinder to form magnetic conductive slurry; wherein, the grain diameter of the glass powder is 5-10 microns, preferably, an environment-friendly low-melting-point glass powder (SHBF-160) is selected, the sintering temperature is 490-700 ℃, and the components and the weight parts of the glass powder are as follows:
Bi2O345 to 65 percent of SiO28-13% by weight of ZnO2-9% by weight of TiO21-6% by weight of SrO, 1-10% by weight of Al2O35-14% of the total weight.
In the above embodiment, specifically, before forming the first conductive layer 2, the magnetically permeable layer 4, and the second conductive layer 3, the following specific steps are included: and cleaning and baking the cooking container body 1 in sequence, wherein the baking process is within the range of 80-120 ℃ and the baking time is within the range of 5-60 minutes.
In this embodiment, specifically, the cooking container body 1 may be brushed with a scouring pad and a cleaning agent, and in addition, by preheating the cooking container body 1, the adhesion to the surface of the cooking container body 1 at the time of the subsequent screen printing may be improved to improve the reliability of the magnetically conductive layer.
In the above embodiment, further, sequentially forming the first conductive layer 2, the magnetic conductive layer 4, and the second conductive layer 3 includes the following specific steps: screen printing the conductive paste on the cooking container body 1 after the baking process is completed to form the first conductive layer 2; screen printing the magnetic conductive slurry on the first conductive layer 2 to form the magnetic conductive layer 4; and screen-printing the conductive slurry on the magnetic conduction layer 4 to form the second conductive layer 3.
In this embodiment, specifically, the specific steps of printing the first conductive layer 2 are: printing the conductive slurry on the bottom of a cooking container for 2 times by adopting a 250-300-mesh silk screen, wherein the film thickness is 4-8 microns, and then baking for 15 minutes at 120 ℃; the specific steps of printing the magnetic conduction layer 4 are as follows: printing the magnetic conductive slurry on the first conductive layer 2 for 3 times by adopting a 150-200-mesh silk screen, wherein the film thickness is 6-12 microns, and then baking for 15 minutes at 120 ℃; the specific steps of printing the second conductive layer 3 are: and printing the conductive slurry on the magnetic conduction layer 4 for 2 times by adopting a 50-300 mesh silk screen, wherein the film thickness is 4-8 microns, and then baking for 15 minutes at 120 ℃.
In the above embodiment, specifically, before sintering the cooking container body 1 on which the first conductive layer 2, the magnetic conductive layer 4 and the second conductive layer 3 are formed, the method further includes the following steps: a heat insulating protective layer 5 is formed on a second designated area of the outer surface of the cooking container body 2 forming the first conductive layer 2, the magnetic conductive layer 4 and the second conductive layer 3, wherein the second designated area comprises a bottom outer surface area and/or a side outer surface area of the cooking container body 1.
In this embodiment, the heat insulation protective layer 5 is preferably a glaze layer, and specifically, the heat insulation protective layer coating is printed on the body of the cooking container 3 times by using a 100-150 mesh screen with a film thickness of 8-14 μm, and then baked at 120 ℃ for 15 minutes.
Specifically, the heat insulation protective layer 5 can protect the magnetic conduction layer 4, the first conductive layer 2 and the second conductive layer 3 at the bottom of the cooking container body 1 from being scratched and corroded, so that the service lives of the magnetic conduction layer 4, the first conductive layer 2 and the second conductive layer 3 are prolonged, and the service life of the cooking container is prolonged; on the other hand, the heat insulation protective layer 5 can prevent the heat generated by the magnetic conduction and the electric conduction of the magnetic conduction layer 4, the first conductive layer 2 and the second conductive layer 3 from dissipating, thereby improving the heating efficiency of the cooking container.
In the above embodiment, specifically, the first designated area is the bottom outer surface area of the cooking container body 1, and the second designated area is the outer side area of the second conductive layer 3.
In the above embodiment, specifically, the forming of the heat insulation protection layer 5 includes the following specific steps: making a mixture comprising a thermal insulation material and the organic slurry to form a thermal insulation protective layer coating; and screen-printing the heat insulation protective layer coating on the outer side of the magnetic conduction layer 4.
In this embodiment, the components and contents of the heat insulating protective layer coating are as follows: 40-50% of pigment, 35-45% of glass powder and 10-20% of organic slurry in the cooking container body 1.
In the above embodiment, the sintering process of the cooking container body 1 formed with the second conductive layer 3 includes the following specific steps: and baking the cooking container body 1 with the second conductive layer 3, wherein the temperature range of the baking process is 550-600 ℃.
In this embodiment, specifically, the baking process is to bake the cooking container body 1 formed with the second conductive layer 3 in a muffle furnace to 550-.
In the above embodiment, the method further includes: a far infrared heating film 6 is formed on the inner side of the cooking container body 1, wherein the far infrared heating film 6 is used for generating far infrared light.
In this embodiment, the far infrared heating film 6 is sprayed on the inner side of the cooking container body 1 by a spraying process, and the temperature of the far infrared heating film 6 rises after the heat generated by the magnetic conduction layer 4, the first conductive layer 2 and the second conductive layer 3, so that far infrared light can be generated, the food in the cooking container body 1 can be heated, and the heating efficiency of the cooking container can be improved.
According to another aspect of the present invention, a cooking container is also provided, which is made by the method for making the cooking container according to the above embodiment.
In this embodiment, since the cooking container is manufactured by the above method, the bottom of the cooking container body 1 includes, from inside to outside: the heat insulation protective layer comprises a first conductive layer 2, a magnetic conduction layer 4, a second conductive layer 3 and a heat insulation protective layer 5; wherein, the inner side of the cooking container body 1 is also provided with a far infrared heating film 6.
Preferably, the thickness of the first conductive layer 2 is in the range of 4-8 microns.
Preferably, the thickness of the second conductive layer 3 is in the range of 4-8 microns.
Preferably, the thickness of the magnetically permeable layer 4 is in the range of 6-12 microns.
Preferably, the thickness of the thermal protection layer 5 is in the range of 8-14 microns.
One implementation of a cooking appliance according to an embodiment of the invention is:
a cooking container according to an embodiment of the present invention;
and an electromagnetic generating device for generating electromagnetic waves for heating the cooking container, wherein the electromagnetic generating device and the cooking container are one structural body which can be assembled together in a detachable or non-detachable mode, or the electromagnetic generating device and the cooking container are two separate structural bodies.
A cooking container and a process for manufacturing the same according to an embodiment of the present invention will be described in detail with reference to fig. 1 and 3.
Fig. 1 shows a cooking container according to an embodiment of the present invention, designated areas of the bottom outer surface of the cooking container body 1 are sequentially arranged as follows: the heat insulation protective layer comprises a first conductive layer 2, a magnetic conduction layer 4, a second conductive layer 3 and a heat insulation protective layer 5; wherein, the inner side of the cooking container body 1 is also provided with a far infrared heating film 6.
According to the cooking container of the embodiment of the invention, the thickness of the first conductive layer 2 is in the range of 4-8 micrometers; the thickness of the second conductive layer 3 ranges from 4 to 8 microns; the thickness range of the magnetic conduction layer 4 is 6-12 microns; the thickness of the heat insulation protective layer 5 ranges from 8 microns to 14 microns.
In this embodiment, a first conductive layer 2, a magnetic conductive layer 4 and a second conductive layer 3 are disposed at the bottom of the cooking container, and the first conductive layer 2, the second conductive layer 3 and the magnetic conductive layer 4 enable the cooking container to realize electromagnetic heating, so that the cooking container can be applied to an induction cooker. In addition, because the bottom of the cooking container body 1 forms the conductive and magnetic conductive layer, the cooking container body 1 can be made of various materials to form different cooking container bodies 1, for example, ceramic or glass materials can be selected, and cooking containers of ceramic magnetic conductive pots, glass magnetic conductive pots and other types can be manufactured, so that the cooking container manufactured by the manufacturing method has the advantages of ceramic pots or glass pots and also has the advantage of high heating efficiency.
After sintering, the first conducting layer 2, the magnetic conducting layer 4, the second conducting layer 3 and the heat insulation protective layer 5 can be better combined with the cooking container body 1, so that the strength of the cooking container is improved, and the service life of the cooking container is prolonged.
In addition, in the above embodiment, the far infrared heating film 5 is sprayed on the inner side of the cooking container body 1 by a spraying process, and the temperature of the far infrared heating film 5 rises after the heat generated by the magnetic conduction layer 4, the first conductive layer 2 and the second conductive layer 3, so that far infrared light can be generated to heat the food in the cooking container body 1, thereby improving the heating efficiency of the cooking container.
In addition, in the above embodiment, the heat insulation protective layer 5 can protect the magnetic conduction layer 4, the first conductive layer 2 and the second conductive layer 3 at the bottom of the cooking container body 1 from being scratched and corroded, so as to prolong the service life of the magnetic conduction layer 4, the first conductive layer 2 and the second conductive layer 3, and further prolong the service life of the cooking container; on the other hand, the heat insulation protective layer 5 can prevent the heat of the cooking container body 1 from being dissipated, thereby improving the heating efficiency of the cooking container.
As shown in fig. 3, the present invention further provides a manufacturing process of the cooking container, including the following steps: step 302, cleaning and baking the cooking container body 1 in sequence, wherein the baking temperature is 100 ℃ and the baking time is 10 minutes; step 304, sequentially forming a first conducting layer 2, a magnetic conducting layer 4, a second conducting layer 3 and a heat insulation protective layer 5 in a designated area on the surface of a cooking container body 1 for manufacturing the cooking container; step 306, sintering the cooking container body 1 formed with the second conductive layer 3 to complete the manufacturing of the cooking container.
In this embodiment, the baking process is to bake the cooking container body 1 formed with the second conductive layer 3 in a muffle furnace to 550 ℃ + 600 ℃, and then naturally cool the cooking container body 1 to room temperature.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (15)
1. A method of making a cooking vessel, comprising:
sequentially forming a first conductive layer, a magnetic conduction layer and a second conductive layer in a first designated area on the surface of the cooking container body;
sintering the cooking container body formed with the first conductive layer, the magnetic conductive layer and the second conductive layer to complete the manufacture of the cooking container;
wherein the cooking container body is made of ceramic or glass;
before a first conducting layer, a magnetic conduction layer and a second conducting layer are sequentially formed in a first designated area on the surface of a cooking container body, the method comprises the following steps:
milling the organic mixture to form an organic slurry;
grinding a mixture comprising a conductive metal material and the organic slurry to form a conductive slurry;
grinding a mixture comprising a magnetic material and the organic slurry to form a magnetically permeable slurry.
2. The method of claim 1, wherein the cooking container is a cooking container,
the organic mixture comprises ethyl cellulose and terpineol, and the weight percentage of the ethyl cellulose in the organic mixture ranges from 20 to 30 percent;
the weight percentage of the conductive metal material in the mixture comprising the conductive metal material and the organic slurry has a value in the range of 65-75%;
the magnetic material is present in the mixture comprising the magnetic material and the organic slurry in a weight percentage in the range of 60-70%.
3. The method of claim 2, further comprising the steps of, before forming the first conductive layer, the magnetically conductive layer, and the second conductive layer:
and cleaning and baking the cooking container body in sequence, wherein the temperature range of the baking process is 80-120 ℃, and the baking time range is 5-60 minutes.
4. The method for manufacturing the cooking container according to claim 3, wherein the first conductive layer, the magnetic conductive layer and the second conductive layer are formed in sequence, and the method comprises the following specific steps:
screen printing the conductive slurry on the cooking container body after the baking treatment is finished to form the first conductive layer;
screen printing the magnetic conductive slurry on the first conductive layer to form the magnetic conductive layer;
and screen printing the conductive slurry on the magnetic conduction layer to form the second conductive layer.
5. The method for manufacturing a cooking container according to claim 4, wherein before the sintering process is performed on the cooking container body on which the first conductive layer, the magnetic conductive layer and the second conductive layer are formed, the method further comprises the following steps:
forming a heat insulating protective layer on a second designated area of the outer surface of the cooking container body forming the first electrically conductive layer, the magnetically conductive layer and the second electrically conductive layer, wherein the second designated area comprises a bottom outer surface area and/or a side outer surface area of the cooking container body.
6. The method of claim 5, wherein the first designated area is a bottom outer surface area of the cooking container body, and the second designated area is an outer side area of the second conductive layer.
7. The method for manufacturing the cooking container according to claim 6, wherein the step of forming the heat insulation protective layer comprises the following specific steps:
making a mixture comprising a thermal insulating material and the organic slurry to form a thermal insulating coating;
and screen-printing the heat insulation coating on the outer side of the magnetic conduction layer.
8. The method for manufacturing a cooking container according to any one of claims 1 to 7, wherein the sintering process is performed on the cooking container body on which the second conductive layer is formed, and comprises the following specific steps:
and baking the cooking container body on which the first conductive layer, the magnetic conduction layer and the second conductive layer are formed, wherein the temperature range of the baking process is 550-600 ℃.
9. The method for manufacturing a cooking container according to any one of claims 1 to 7, further comprising:
forming a far infrared heating film on a third designated area of the inner surface of the cooking container body, wherein the far infrared heating film is used for generating far infrared light, wherein the third designated area comprises a bottom inner surface area and/or a side inner surface area of the cooking container body.
10. A cooking vessel manufactured by the method of any one of claims 1 to 9.
11. The cooking container of claim 10, wherein the first conductive layer has a thickness in the range of 4-8 microns.
12. The cooking container of claim 10, wherein the second conductive layer has a thickness in the range of 4-8 microns.
13. The cooking vessel according to claim 10, wherein the magnetically permeable layer has a thickness in the range of 6-12 microns.
14. A cooking container manufactured by the method of any one of claims 5 to 7, wherein the heat insulating protective layer has a thickness in a range of 8 to 14 μm.
15. A cooking appliance, characterized in that it comprises a cooking container according to any one of claims 10 to 13; or
The cooking container of claim 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510185938.XA CN106136850B (en) | 2015-04-17 | 2015-04-17 | Cooking container manufacturing method, cooking container and cooking appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510185938.XA CN106136850B (en) | 2015-04-17 | 2015-04-17 | Cooking container manufacturing method, cooking container and cooking appliance |
Publications (2)
| Publication Number | Publication Date |
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| CN106136850A CN106136850A (en) | 2016-11-23 |
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| CN108324082B (en) * | 2017-01-17 | 2023-10-24 | 佛山市顺德区美的电热电器制造有限公司 | Preparation method of ceramic vessel, ceramic vessel and cooking utensil |
| CN108610671A (en) * | 2017-01-17 | 2018-10-02 | 佛山市顺德区美的电热电器制造有限公司 | Magnetic conduction silver paste coating, pottery and preparation method thereof and cooking apparatus |
| CN108309019B (en) * | 2017-01-17 | 2023-09-26 | 佛山市顺德区美的电热电器制造有限公司 | Preparation method of ceramic vessel, ceramic vessel and cooking utensil |
| CN108720619B (en) * | 2017-04-24 | 2024-01-19 | 佛山市顺德区美的电热电器制造有限公司 | Cooking utensil and preparation method thereof |
| CN110419955A (en) * | 2019-08-13 | 2019-11-08 | 东莞市高远能源有限公司 | Far infrared container |
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| KR100913118B1 (en) * | 2009-01-29 | 2009-08-19 | 조용래 | Cooking vessel and manufacturing method thereof |
| CN202891599U (en) * | 2012-11-28 | 2013-04-24 | 刘维良 | Far infrared ceramic electric heating kettle |
| CN104223957A (en) * | 2013-06-20 | 2014-12-24 | 美的集团股份有限公司 | Magnetic conducting pot and manufacturing method thereof |
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| JP2009034378A (en) * | 2007-08-02 | 2009-02-19 | Sumitomo Electric Fine Polymer Inc | Heating vessel for cooking and method for manufacturing heating vessel for cooking |
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| CN203802230U (en) * | 2013-12-07 | 2014-09-03 | 元海莲 | Durable pot |
| CN204120837U (en) * | 2014-06-13 | 2015-01-28 | 佛山市顺德区美的电热电器制造有限公司 | Pot, electric cooker and rely on the grill pan tool of work about electric power |
| CN203987483U (en) * | 2014-08-13 | 2014-12-10 | 佛山市顺德区美的电热电器制造有限公司 | The interior pot of electromagnetic cooking appliance |
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| CN2680167Y (en) * | 2004-01-16 | 2005-02-23 | 华中科技大学 | Ceramic cooker specified for electromagnetic oven |
| KR100913118B1 (en) * | 2009-01-29 | 2009-08-19 | 조용래 | Cooking vessel and manufacturing method thereof |
| CN202891599U (en) * | 2012-11-28 | 2013-04-24 | 刘维良 | Far infrared ceramic electric heating kettle |
| CN104223957A (en) * | 2013-06-20 | 2014-12-24 | 美的集团股份有限公司 | Magnetic conducting pot and manufacturing method thereof |
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