CN210183581U

CN210183581U - Cooking utensil

Info

Publication number: CN210183581U
Application number: CN201920991969.8U
Authority: CN
Inventors: Tingfei Shi; 史庭飞
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-03-24
Anticipated expiration: 2029-06-28

Abstract

The utility model provides a cooking utensil, establish including bottom (10) and enclosing casing on bottom (10), the casing upper cover is equipped with the panel, the casing with bottom (10) enclose and establish into the cavity, be provided with control panel (11) in the cavity, bottom (10) are gone up the meltalling and are had coil layer (20), just coil layer (20) with control panel (11) electricity is connected. The utility model provides a pair of cooking utensil has solved the manufacturing process and the assembly mode of coil panel in the current electromagnetism stove and all comparatively complicated, the problem of processing and assembly not convenient for.

Description

Cooking utensil

Technical Field

The utility model relates to a household electrical appliances technical field especially relates to a cooking utensil.

Background

An induction cooker is a widely used cooking appliance which heats by electromagnetic induction and is composed of a high-frequency induction coil panel (namely an excitation coil), a controller, a ferromagnetic material pot bottom cooker and other units.

At present, in the present electromagnetism stove, the coil panel mainly plays the heating effect, and the coil panel mainly includes the coil, coil plate rail and magnetic stripe, and the coil generally is solid copper line, aluminium wire or copper clad aluminium wire coiling form, and the fixed setting of the mode that the coil accessible after the coiling was bonded is on the coil plate rail, and the magnetic stripe is located the below of coil plate rail, forms the coil panel, and when the assembly of electromagnetism stove, pass through modes such as screw fastening and joint with the coil panel and fix on the bottom cover of electromagnetism stove housing.

However, the conventional coil panel has many structural components, and the winding manner of the coil is complicated, so that the coil panel is difficult to process.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cooking utensil to the problem of processing and assembly not convenient for is all comparatively complicated to the preparation technology and the assembly method of solving coil panel in the current electromagnetism stove.

The utility model provides a cooking utensil, establish including the bottom with enclosing casing on the bottom, the casing upper cover is equipped with the panel, the casing with the bottom encloses and establishes into the cavity, be provided with the control panel in the cavity, the meltalling on the bottom has the coil layer, just the coil layer with the control panel electricity is connected.

Through including the bottom with enclose the casing of establishing on the bottom, the casing upper cover is equipped with the panel, and the casing encloses with the bottom and establishes into the cavity, is provided with the control panel in the cavity, and the meltallizing has the coil layer on the bottom, and the coil layer is connected with the control panel electricity. The coil layer is directly arranged on the bottom cover in a melting-jetting mode to form parts required by heating of a cooking appliance, such as a coil panel and the like. In addition, the process of meltallizing is simpler, the operation of being convenient for makes the manufacturing of coil panel simpler, simultaneously also great reduction the thickness of coil panel, reduce the space that the coil panel occupy, be favorable to reducing the thickness of casing. The problems that the manufacturing process and the assembly mode of the coil panel in the existing electromagnetic oven are complex, and the coil panel is inconvenient to process and assemble are solved.

In a particular embodiment of the present invention, the bottom cover includes a bottom wall, and the coil layer is fused on an inner wall of the bottom wall.

Through making the bottom include the diapire, fuse on the inner wall of diapire and have the coil layer, the coil layer melts promptly on the inside wall of diapire, and the casing encloses to be established on the bottom, and the panel lid is established on the casing, fuses the coil layer on the inner wall of diapire, just also makes the coil layer corresponding with the panel to heat the pan that is located on the panel that can be fine through the coil layer, guarantee cooking utensil's performance.

In a preferred embodiment of the present invention, the inner wall of the bottom wall has a boss thereon, and the coil layer is melted and projected on the boss.

Through having the boss on the inner wall that makes the diapire, the coil layer melts and penetrates on the boss, and is concrete, has bellied boss in the bottom towards the bottom on the inner wall of diapire, the coil layer can melt and penetrate on this boss, because the boss is protruding towards the panel promptly towards the bottom in the bottom, certain height has, set up the coil layer on the boss, the distance of coil layer distance panel will be relatively nearer like this, thereby guaranteed the heating effect of coil layer to the pan of placing on the panel, cooking utensil's performance has been improved.

In a specific embodiment of the present invention, the bottom cover includes a bottom wall and a shielding layer disposed on an inner wall of the bottom wall for preventing reverse heating, an insulating layer is fused on the shielding layer, and the coil layer is fused on the insulating layer.

Through making the bottom include the diapire and set up the shielding layer that is used for preventing reverse heating on the diapire inner wall, the meltallizing has the insulating layer on the shielding layer, and the coil layer meltallizing is on the insulating layer. Specifically, the bottom includes the diapire, is provided with the shielding layer on the inside wall of diapire, and this shielding layer is for shielding the magnetic line of force of downward orientation bottom to reach the purpose that prevents the direction heating, and then increase the safety in utilization of electromagnetism stove, and the life of extension electromagnetism stove. The insulating layer plays insulating effect to coil layer and shielding layer to improve the setting security of coil layer. The insulating layer is sprayed on the shielding layer in a melting mode, the coil layer is sprayed on the insulating layer in a melting mode, a coil panel used for heating of the cooking appliance is formed, and the use safety of the cooking appliance is improved while the heating performance is guaranteed.

In a specific embodiment of the present invention, the shielding layer is a metal layer that is melted and projected on the bottom wall.

Through making the shielding layer for the metal level of meltallizing on the diapire, the shielding layer is the metal level that directly forms on the diapire inner wall through the mode of meltallizing promptly, and the simple process of meltallizing is convenient for operate, also can reduce the thickness of the coil panel that forms simultaneously, and directly meltallizing the shielding layer on the diapire inner wall, and assembly type is simple, helps improving the efficiency of assembly, reduces the cost of processing and assembly.

In a specific embodiment of the present invention, the shielding layer is a metal substrate disposed on the bottom wall.

By making the shielding layer a metal substrate provided on the bottom wall. Specifically, the shielding layer can be like sheetmetal such as copper sheet, aluminum sheet, make the shielding layer for setting up the metal substrate on the diapire, can be convenient for to the dismantlement of shielding layer, owing to the meltalling insulating layer on the shielding layer, meltalling coil layer formation coil panel on this insulating layer, when the damage appears in the coil panel, just can pull down the shielding layer of metal substrate and change, has avoided the holistic change of cooking utensil.

In a specific embodiment of the present invention, the molding material of the shielding layer includes: copper, aluminum or other metal materials with poor magnetic permeability; and/or the presence of a gas in the gas,

the thickness of the shielding layer is 10 mu m-1 mm.

The molding material of the shielding layer comprises: copper, aluminum or other metal materials with poor magnetic permeability; and/or the thickness of the shielding layer is 10 mu m-1 mm. Specifically, the shielding layer is used for shielding magnetic lines of force downwards towards the bottom cover, and the molding material of the shielding layer can be some non-magnetic materials and high-temperature-resistant materials, such as copper, aluminum or other materials with poor magnetic conductivity, so that the effect of shielding the magnetic lines of force can be effectively achieved, and the use safety of the induction cooker is improved. The thickness of the shielding layer is 10 mu m-1mm, the thickness of the shielding layer is reduced as much as possible while the shielding layer has good shielding effect, and the specific thickness of the shielding layer can be selected and set according to the actual power efficiency and the magnetic induction of the induction cooker.

The utility model discloses an among the specific embodiment, still include the magnetic conduction layer, the magnetic conduction layer sets up on the outer wall of diapire.

Through making this cooking utensil still include the magnetic conduction layer, the effect on magnetic conduction layer is shielding magnetic line of force to play the effect of direction to the magnetic line of force, thereby make the middle magnetic line of force of originally comparative dispersion of coil concentrate, promote the heating efficiency of coil panel, improve the performance of electromagnetism stove. The magnetic conduction layer is arranged on the outer wall of the bottom wall, wherein the magnetic conduction layer can be a conventional magnet and is fixedly arranged on the outer wall of the bottom wall in a bonding, screw fastening or clamping mode or the like, or the magnetic conduction layer can also be a soft magnetic material layer such as manganese zinc ferrite, nickel zinc ferrite, iron oxide and the like and is arranged on the outer wall of the bottom wall in a spraying mode.

The utility model discloses an among the specific embodiment, still include the magnetic conduction layer, the magnetic conduction layer meltallization is in on the inner wall of diapire, meltallization has the insulating layer on the magnetic conduction layer, meltallization has on the insulating layer the coil layer.

Through still including the magnetic conduction layer to make the magnetic conduction layer meltallize on the inner wall of diapire, meltallize on the magnetic conduction layer has the insulating layer, meltallize on the insulating layer and have penetrated the coil layer, set up magnetic conduction layer and coil layer through meltallizing like this on the diapire inside wall in order to form the coil panel for the heating, when guaranteeing the heating efficiency of coil panel, make its shaping operation more simple and convenient, and the assembly mode is simple, helps improving the efficiency of assembly and reduces the cost of shaping and assembly.

The utility model discloses an among the specific implementation, still include the magnetic conduction layer, the magnetic conduction layer meltallization is in the shielding layer with between the insulating layer.

By further including a flux conducting layer, the flux conducting layer is meltedly ejected between the shielding layer and the insulating layer. It is specific, be provided with the shielding layer on the inside wall of diapire, it has the magnetic conduction layer to fuse on the shielding layer, it has the insulating layer to fuse on the magnetic conduction layer, coil layer melts on this insulating layer, with the magnetic conduction layer through melting like this, shielding layer and coil layer set up on the diapire inside wall in order to form the coil panel for the heating, make the shaping and the assembly of coil panel more simple and convenient, when promoting assembly efficiency and reducing processing and assembly cost, the coil panel of formation still has better heating effect, and better safety in utilization.

In a specific embodiment of the present invention, the molding material of the coil layer includes: copper, aluminum, graphene, or other low resistance metal or alloy material.

By making the molding material of the coil layer include: copper, aluminum, graphene or other low resistance metal or alloy material, wherein the coil layer is energized to generate heat, and the forming material may be some metal or alloy with relatively low resistance, such as copper, aluminum, graphene, etc., which helps to improve the heating performance of the coil layer.

The structure of the present invention and other objects and advantages thereof will be more clearly understood from the following description of the preferred embodiments taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a bottom cover of a cooking appliance according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a bottom cover of another cooking appliance according to an embodiment of the present invention;

fig. 3 is a side view of a bottom cover of a cooking appliance according to an embodiment of the present invention;

fig. 4 is a schematic front view illustrating assembly of a coil layer of a cooking appliance according to an embodiment of the present invention;

fig. 5 is a side view of the coil layer assembly of a cooking appliance according to an embodiment of the present invention;

fig. 6 is a side view of a coil layer assembly of another cooking appliance according to an embodiment of the present invention.

Description of reference numerals:

10-bottom cover;

11-a control panel;

12-a bottom wall;

121-boss;

13-a heat sink;

20-a coil layer;

30-a shielding layer;

40-an insulating layer;

50-magnetic conductive layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Just as the content of background art said, the coil panel in current electromagnetism stove mainly includes coil, coil plate rail and magnetic stripe, the coil sets up on coil panel support, the magnetic stripe is located the below of coil plate rail and forms the coil panel, wherein, the coil generally is formed for adopting solid copper line, aluminium wire or copper clad aluminium wire coiling, the coiling mode of coil is complicated, the coil after the coiling is through bonding or other fixed settings on the coil plate rail, when the electromagnetism stove assembles, set up the coil panel accessible income screw fastening and joint fixed waiting on the bottom surface of electromagnetism stove housing. Because the structural components of the coil panel are more, the winding mode of the coil is more complex, the processing of the coil is more difficult, and meanwhile, the mode of assembling the formed coil panel on the bottom cover of the induction cooker is also more complex, thereby causing the problem of inconvenient processing and assembling of the coil panel in the induction cooker.

Based on the technical problem, the embodiment of the utility model provides a cooking utensil, specific example is as follows:

fig. 1 is a schematic structural diagram of a bottom cover of a cooking appliance according to a first embodiment of the present invention; fig. 2 is a schematic structural diagram of a bottom cover of another cooking appliance according to an embodiment of the present invention; fig. 3 is a side view of a bottom cover of a cooking appliance according to an embodiment of the present invention; fig. 4 is a schematic front view illustrating assembly of a coil layer of a cooking appliance according to an embodiment of the present invention; fig. 5 is a side view of the coil layer assembly of a cooking appliance according to an embodiment of the present invention; fig. 6 is a side view of a coil layer assembly of another cooking appliance according to an embodiment of the present invention.

The embodiment provides a cooking utensil, including bottom 10 and the casing of enclosing on bottom 10, the casing upper cover is equipped with the panel, the casing encloses with bottom 10 and establishes into the cavity, be provided with control panel 11 in the cavity, it is specific, take the electromagnetism stove as an example, the casing encloses on bottom 10, and enclose with bottom 10 and establish into the cavity that has the opening, the panel lid is established and is formed sealed cavity on this opening, control panel 11 sets up in this cavity, control panel 11 is used for the mode (such as heating, heat preservation, boiling, water boiling water etc.) of electromagnetism stove, the user state (such as start, shut down etc.) and the current heating state (such as power, temperature, time etc.) of control panel 11 among the cooking utensil among the prior art to control panel 11, specific structure and setting mode can refer to prior art, no longer describe in this embodiment.

In the present embodiment, as shown in fig. 1 and 2, a coil layer 20 is fused on the bottom cover 10, and the coil layer 20 is electrically connected to the control board 11. Wherein, coil layer 20 is used for producing the required heat of culinary art after passing through the electric current to heat the pan of placing on the panel, and coil layer 20 is connected with control panel 11 electricity, just can control the operating condition of coil layer 20 through control panel 11. The basic principle of the meltallizing is to heat and melt a material (powder or wire), and to strike and attach the material to the surface of a substrate (or workpiece) at a high speed by feeding a gas band, and to form a film or a coating after deposition and solidification. In the present embodiment, the coil layer 20 is directly disposed on the bottom cover 10 by means of meltallizing to form structural components required for heating the cooking appliance, such as a coil disk, compared with the processing and assembling mode of the coil panel in the existing electromagnetic oven, the coil layer 20 is directly melt-sprayed on the bottom cover 10, namely, the coil layer 20 is arranged on the bottom cover 10, the assembly between the coil layer 20 and the bottom cover 10 is realized, the assembly mode is simpler, the coil disc is assembled while being formed, the coil disc is not required to be assembled by using other assembling parts and the like, the efficiency of processing and assembling the coil disc is improved, the cost of processing and assembling is reduced, in addition, the process of the meltallizing is simpler, the operation is convenient, the manufacture of the coil panel is simpler, simultaneously also great reduction the thickness of coil panel, reduce the space that the coil panel occupy, be favorable to reducing the thickness of casing.

In this embodiment, it should be noted that, when the coil layer 20 is sprayed on the bottom cover 10 by the spray coating process, the portion that does not need to be sprayed may be covered by a tool. The coil layer 20 sprayed by melting may be one layer or multiple layers on the bottom cover 10, and specifically, may be selectively set according to the actual heating requirement of the cooking appliance.

In this embodiment, the cooking appliance may further include a heat dissipation device 13, the heat dissipation device 13 is disposed on the bottom cover 10, and the cooking appliance may further include other components, such as a display component, and the like, specifically, the structures and the arrangement modes of the other components may refer to the cooking appliance in the prior art, and are not described in detail in this embodiment.

In this embodiment, the spraying equipment may use an electric arc spraying machine, the sprayed wire may be copper, aluminum or other metal material, specifically, the diameter of the wire may be 1.0mm-3.0mm, which may be selected according to the material of the metal layer to be sprayed. The specific process of the spray coating can be selected and set according to actual requirements, in the embodiment, in the process of the electric arc spraying, the spraying coefficients respectively adopt 100-200A currents, the spraying voltage is 25-50V, the spraying distance is 50-500 mm, and the spraying working pressure is 0.3-1.0 MPa.

In this embodiment, when the coil layer 20 or other metal and metal oxide layers are spray-coated on the bottom cover 10 by thermal spraying, the surface of the bottom cover 10 may be first desmutted, for example, cleaned by organic solvent such as acetone, then sandblasted on the surface of the bottom cover 10 to form a rough layer on the surface, and finally the coil layer 20 or other metal layers are spray-coated on the rough layer, wherein the rough layer is helpful to improve the adhesion of the coil layer 20 or other metal layers, thereby facilitating the adhesion molding and improving the spraying effect.

In this embodiment, there is no other requirement on the shape, size, and the like of the bottom cover 10, the bottom cover 10 may be a square bottom cover 10, the bottom cover 10 may also be a round bottom cover 10, in this embodiment, the material of the bottom cover 10 is not limited, and the material of the bottom cover 10 may be one or a combination of more of polycarbonate, polyvinyl chloride, polypropylene, acrylonitrile butadiene styrene plastic, and the like.

The embodiment provides a cooking utensil, through including bottom 10 and enclosing the casing of establishing on bottom 10, the casing upper cover is equipped with the panel, and the casing encloses with bottom 10 and establishes into the cavity, is provided with control panel 11 in the cavity, and the last meltallizing of bottom 10 has coil layer 20, and coil layer 20 is connected with control panel 11 electricity. That is, the coil layer 20 is directly arranged on the bottom cover 10 by means of meltallizing to form the components required for heating the cooking utensil, such as the coil panel and the like, compared with the existing method for processing and assembling the coil panel in the electromagnetic oven, the method has the advantages that the coil layer 20 is directly melt-sprayed on the bottom cover 10, namely the coil layer 20 is arranged on the bottom cover 10, the assembly between the coil layer 20 and the bottom cover 10 is realized, the assembly method is simpler, the coil disc is assembled while being formed, the coil disc is not required to be assembled by using other assembling parts and the like, the efficiency of processing and assembling the coil disc is improved, the cost of processing and assembling is reduced, in addition, the process of the meltallizing is simpler, the operation is convenient, the manufacture of the coil panel is simpler, simultaneously also great reduction the thickness of coil panel, reduce the space that the coil panel occupy, be favorable to reducing the thickness of casing. The problems that the manufacturing process and the assembly mode of the coil panel in the existing electromagnetic oven are complex, and the coil panel is inconvenient to process and assemble are solved.

Further, in the present embodiment, the bottom cover 10 includes a bottom wall 12, and a coil layer 20 is fused to an inner wall of the bottom wall 12. Specifically, as shown in fig. 1 to 3, the bottom cover 10 includes a bottom wall 12, the coil layer 20 is melted and jetted on the inner side wall of the bottom wall 12, the shell is enclosed on the bottom cover 10, the panel is covered on the shell, and the coil layer 20 is melted and jetted on the inner wall of the bottom wall 12, so that the coil layer 20 corresponds to the panel, the pan on the panel can be well heated through the coil layer 20, and the use performance of the cooking utensil is ensured.

Wherein, in this embodiment, the molding material of the coil layer includes: copper, aluminum, graphene, or other low resistance metal or alloy material. The coil layer is used for electrifying to generate heat, and the molding material can be some metal or alloy with lower resistance, such as copper, aluminum, graphene and the like, which is helpful for improving the heating performance of the coil layer.

In order to ensure that the coil layer 20 can heat the pot on the panel well, in this embodiment, the inner wall of the bottom wall 12 has a boss 121, and the coil layer 20 is melted and jetted on the boss 121. Specifically, as shown in fig. 3, a boss 121 protruding toward the inside of the bottom cover 10 is provided on the inner wall of the bottom wall 12, the coil layer 20 can be melted and shot on the boss 121, and since the boss 121 protrudes toward the inside of the bottom cover 10, i.e., toward the panel, has a certain height, the coil layer 20 is disposed on the boss 121, so that the distance from the coil layer 20 to the panel is relatively short, thereby ensuring the heating effect of the coil layer 20 to the pot placed on the panel, and improving the usability of the cooking appliance.

In the present embodiment, a specific height of a surface of the boss 121 facing away from the inner wall of the bottom wall 12 of the bottom cover 10 from the inner wall of the bottom wall 12 can be selectively set according to an actual distance between the panel and the bottom cover 10 and an actual heating requirement. The boss 121 may be integrally formed with the bottom cover 10 on the inner wall of the bottom cover 10, the boss 121 may be cylindrical, square or other figures, and an end surface of the boss 121 facing away from the inner wall of the bottom wall 12 may be a plane, an arc or other irregular shapes, that is, the shape of the boss 121 on which the coil layer 20 is disposed is not limited, which is convenient for implementation and is beneficial to popularization and use.

Further, in the present embodiment, the bottom cover 10 includes a bottom wall 12 and a shielding layer 30 disposed on an inner wall of the bottom wall 12 for preventing back heating, the shielding layer 30 is sprayed with an insulating layer 40, and the coil layer 20 is sprayed on the insulating layer 40. Specifically, in the present embodiment, as shown in fig. 4 and 5, the bottom cover 10 includes a bottom wall 12, a shielding layer 30 is disposed on an inner side wall of the bottom wall 12, and the shielding layer 30 is used for shielding magnetic lines of force downward toward the bottom cover 10, so as to achieve the purpose of preventing directional heating, thereby increasing the safety of the induction cooker and prolonging the service life of the induction cooker. The insulating layer 40 serves as an insulation for the coil layer 20 and the shield layer 30 to improve the safety of the arrangement of the coil layer 20. The insulating layer 40 is sprayed on the shielding layer 30 in a melting way, and the coil layer 20 is sprayed on the insulating layer 40 in a melting way, so that a coil panel for heating of the cooking utensil is formed, the heating performance is ensured, and the use safety of the induction cooker is improved.

In the present embodiment, the insulating layer 40 is provided between the coil layer 20 and the shield layer 30 to perform an insulating function, and a thickness, a molding material, and the like of the insulating layer 40 are not required, and a good insulating effect can be obtained.

Wherein, in this embodiment, shielding layer 30 is the metal layer of meltalling on diapire 12, and shielding layer 30 is the metal layer of directly forming on diapire 12 through the mode of meltalling promptly, and the simple convenient operation of technology of meltalling also can reduce the thickness of the coil panel that forms simultaneously, and directly meltalling shielding layer 30 on diapire 12 inner wall, and the assembly mode is simple, helps improving the efficiency of assembly, reduces the cost of assembly.

Alternatively, in the present embodiment, the shielding layer 30 may be a metal substrate disposed on the bottom wall 12. Specifically, the shielding layer 30 may be a metal sheet such as a copper sheet or an aluminum sheet, and the shielding layer 30 may be disposed on the bottom wall 12 by bonding, screw fastening, and fastening. Make shielding layer 30 for setting up the metal substrate on diapire 12, can be convenient for to the dismantlement of shielding layer 30, owing to meltalling on shielding layer 30 insulating layer 40, meltalling on this insulating layer 40 coil layer 20 forms the coil panel, when the coil panel appears damaging, just can dismantle the metal substrate and change, avoided the holistic change of cooking utensil.

In this embodiment, when the cooking appliance is assembled, one of the embodiments is: a metal substrate is first disposed on the inner wall of the bottom wall 12, and then an insulating layer 40 is sprayed on the metal substrate, and the coil layer 20 is sprayed on the insulating layer 40. In another embodiment: the inner wall of the bottom wall 12 is first desmeared, then sandblasted to form a roughened layer, the shield layer 30 is spray-sprayed onto the roughened layer, the insulating layer 40 is spray-coated onto the shield layer 30, and finally the coil layer 20 is spray-coated onto the insulating layer 40.

In the present embodiment, the molding material of the shielding layer 30 includes: copper, aluminum or other metal materials with poor magnetic permeability; and/or the thickness of the shielding layer 30 is 10 μm to 1 mm. Specifically, the shielding layer 30 is used to shield the magnetic lines of force downward toward the bottom cover 10, and the molding material may be some non-magnetic materials and high temperature resistant materials, such as copper, aluminum or other materials with poor magnetic conductivity, so as to effectively shield the magnetic lines of force and improve the safety of the electromagnetic oven. In this embodiment, the thickness of the shielding layer 30 is set to be between 10 μm and 1mm, so that the thickness of the shielding layer 30 is reduced as much as possible while ensuring that the shielding layer 30 has a good shielding effect, and the specific thickness of the shielding layer 30 can be set according to the actual power efficiency and the magnetic induction of the induction cooker.

Further, in this embodiment, this cooking utensil still includes magnetic conduction layer 50, and magnetic conduction layer 50's effect is shielding magnetic line of force to play the effect of direction to the magnetic line of force, thereby make in the middle of the coil originally more dispersed magnetic line of force concentrate, promote heating efficiency. In one embodiment, the magnetic layer 50 is disposed on the outer wall of the bottom wall 12, wherein the magnetic layer 50 may be a conventional magnet fixedly disposed on the outer wall of the bottom wall 12 by means of bonding, screwing, or clipping, or the magnetic layer 50 may also be a soft magnetic material layer such as manganese zinc ferrite, nickel zinc ferrite, iron oxide, or the like, and is spray-coated on the outer wall of the bottom wall 12 by means of meltallizing.

When this cooking utensil still includes magnetic conduction layer 50, in another possible implementation mode, magnetic conduction layer 50 meltallizes on the inner wall of diapire 12, it has insulating layer 40 to meltallize on magnetic conduction layer 50, meltallize on insulating layer 40 and have coil layer 20, namely in this embodiment, set up magnetic conduction layer 50 meltallizes on the diapire 12 inside wall of bottom cover 10, and meltallize insulating layer 40 on magnetic conduction layer 50, meltallize coil layer 20 on insulating layer 40, set up magnetic conduction layer 50 and coil layer 20 on diapire 12 inside wall through meltallizing like this in order to form the coil panel for heating, when guaranteeing coil panel's heating efficiency, make its shaping operation more simple and convenient, and the mounting means is simple, help improving the efficiency of assembly and reduce the cost of shaping and assembly.

In this embodiment, when the cooking utensil is assembled, the inner wall of the bottom wall 12 is first desmeared, then sandblasted to form a roughened layer, the magnetic conductive layer 50 is spray-sprayed onto the roughened layer, the insulating layer 40 is spray-sprayed onto the magnetic conductive layer 50, and finally the coil layer 20 is spray-sprayed onto the insulating layer 40.

The cooking appliance further comprises a magnetically permeable layer 50, and in a possible further embodiment, the magnetically permeable layer 50 is melt-jetted between the shield layer 30 and the insulating layer 40. Specifically, as shown in fig. 6, in this embodiment, a shielding layer 30 is disposed on the inner side wall of the bottom wall 12, a magnetic conduction layer 50 is sprayed on the shielding layer 30, an insulating layer 40 is sprayed on the magnetic conduction layer 50, and a coil layer 20 is sprayed on the insulating layer 40, so that the magnetic conduction layer 50, the shielding layer 30, and the coil layer 20 are disposed on the inner side wall of the bottom wall 12 by spraying to form a coil panel for heating, so that the coil panel is more convenient to form and assemble, the assembly efficiency is improved, the forming and assembly cost is reduced, and the formed coil panel also has a better heating effect and better use safety.

In this embodiment, when the cooking utensil is assembled, the inner wall of the bottom wall 12 is first desmeared, then sandblasted to form a roughened layer, the shield layer 30 is spray-melted on the roughened layer, the magnetic conductive layer 50 is spray-melted on the shield layer 30, the insulating layer 40 is spray-coated on the magnetic conductive layer 50, and finally the coil layer 20 is spray-coated on the insulating layer 40.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "comprises" and "comprising," and any variations thereof, as used herein, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral to one another; either directly or indirectly through intervening media, may be used in either the internal or the external relationship of the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A cooking utensil comprises a bottom cover (10) and a shell arranged on the bottom cover (10) in a surrounding mode, wherein a panel is arranged on the upper cover of the shell, the shell and the bottom cover (10) are arranged in a surrounding mode to form a cavity, a control panel (11) is arranged in the cavity, and the cooking utensil is characterized in that a coil layer (20) is sprayed on the bottom cover (10) in a melting mode, and the coil layer (20) is electrically connected with the control panel (11).

2. The cooking appliance according to claim 1, wherein the bottom cover (10) comprises a bottom wall (12), the coil layer (20) being sprayed on an inner wall of the bottom wall (12).

3. The cooking appliance according to claim 2, wherein the bottom wall (12) has bosses (121) on an inner wall thereof, and the coil layer (20) is melt-projected on the bosses (121).

4. The cooking appliance according to claim 1, wherein the bottom cover (10) comprises a bottom wall (12) and a shielding layer (30) disposed on an inner wall of the bottom wall (12) for preventing back heating, an insulating layer (40) is sprayed on the shielding layer (30), and the coil layer (20) is sprayed on the insulating layer (40).

5. Cooking appliance according to claim 4, characterized in that said shielding layer (30) is a metal layer that is melted onto said bottom wall (12).

6. Cooking appliance according to claim 5, characterized in that the shielding layer (30) is a metal substrate provided on the bottom wall (12).

7. The cooking appliance according to claim 5 or 6, wherein the molding material of the shielding layer (30) comprises: copper, aluminum or other metal materials with poor magnetic permeability; and/or the presence of a gas in the gas,

the thickness of the shielding layer (30) is 10 mu m-1 mm.

8. The cooking appliance according to claim 2 or 3, further comprising a magnetically permeable layer (50), the magnetically permeable layer (50) being provided on an outer wall of the bottom wall (12).

9. The cooking appliance according to claim 2 or 3, further comprising a magnetically conductive layer (50), the magnetically conductive layer (50) being fused to the inner wall of the bottom wall (12), an insulating layer (40) being fused to the magnetically conductive layer (50), and the coil layer (20) being fused to the insulating layer (40).

10. The cooking appliance according to any one of claims 4 to 6, further comprising a magnetically permeable layer (50), the magnetically permeable layer (50) being melt-projected between the shield layer (30) and the insulating layer (40).

11. Cooking appliance according to any of the claims 1 to 6, characterized in that the molding material of the coil layer (20) comprises: copper, aluminum, graphene, or other low resistance metal or alloy material.