Coil panel and cooking equipment

By adopting a two-layer thermal insulation structure in the coil disk, combining hard materials and thermal insulation parts of different materials, the problem of excessive thickness of the coil disk is solved, and the structural compactness is improved and the convenience of miniaturized design is achieved.

CN222638728UActive Publication Date: 2025-03-18FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD
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Patent Information

Application Number
CN202420631685.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-29
Publication Date
2025-03-18
Estimated Expiration
2034-03-29

AI Technical Summary

Technical Problem

The existing coil disks need to meet both thermal insulation and support requirements, resulting in the thickness of the thermal insulation layer that cannot be reduced, resulting in excessive thickness of the coil disk, affecting the compactness of the equipment and miniaturization design.

Method used

A two-layer thermal insulation structure is adopted, wherein the first thermal insulation part is made of a hard material, has excellent thermal insulation performance and sufficient hardness and stiffness to support the coil; the second thermal insulation part is made of different materials, mainly used to reduce the heat conduction efficiency between the coil and the magnetic part and reduce the filling thickness.

Benefits of technology

By optimizing the thermal insulation structure, the filling thickness between the coil and the magnetic parts is reduced, and the problem of excessive thickness of the coil disk is solved, achieving the convenience of improving the structural compactness of the coil disk and miniaturization design.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a coil panel and cooking equipment, and relates to the technical field of cooking equipment. The coil disc includes: a first heat insulating member; the coil is arranged on the first side of the first heat insulation part and can generate heat radiation and an electromagnetic field after being electrified; the magnetic part is arranged on the second side, away from the coil, of the heat insulation part; and at least part of the second heat insulation component is located between the first heat insulation component and the magnetic part, and the first heat insulation component and the second heat insulation component are made of different materials.
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Description

Technical Field

[0001] The utility model relates to the technical field of cooking equipment, in particular to a coil plate and cooking equipment. Background Art

[0002] In the related art, the coil can generate heat after being energized, and the heat is used to heat the cooking utensils. In order to reduce the heat loss of the coil and reduce the adverse effects caused by the diffused heat, an insulation layer needs to be provided in conjunction with the coil.

[0003] The thermal insulation layer must not only meet the stiffness requirements for supporting and fixing the coil, but also meet the thermal insulation requirements, which results in the thickness of the thermal insulation layer being unable to be reduced, leading to the technical defect of the coil disk being thick.

[0004] Therefore, how to overcome the above-mentioned technical defects has become a technical problem that needs to be solved urgently. Utility Model Content

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art.

[0006] To this end, a first aspect of the utility model provides a coil disk.

[0007] A second aspect of the present invention provides a cooking device.

[0008] In view of this, the first aspect of the utility model provides a coil disk, which includes: a first thermal insulation component; a coil, which is arranged on a first side of the first thermal insulation component, and can generate thermal radiation and an electromagnetic field when the coil is energized; a magnetic component, which is arranged on a second side of the first thermal insulation component away from the coil; a second thermal insulation component, which is at least partially located between the first thermal insulation component and the magnetic component, and the first thermal insulation component and the second thermal insulation component are made of different materials.

[0009] The present application defines a coil disk having electromagnetic heating function and thermal radiation heating function.

[0010] The coil disk includes a coil, and the winding is spirally wound to form a spiral coil. When the spiral coil is energized, an electromagnetic field can be generated thereon. At the same time, due to the existence of a certain internal resistance of the coil, the energized coil can also generate heat radiation at the same time.

[0011] Among them, the electromagnetic field intensity and heat radiation intensity generated by the coil can be distributed by changing the frequency of the power supply current of the coil. Optionally, after a high-frequency current is passed through the coil, the coil can not only generate an electromagnetic field, but also generate heat due to its own impedance. When the coil assembly resonates with the resonant capacitor at a higher resonant frequency, the impedance value of the coil itself will increase significantly due to the skin effect of the coil. When the impedance of the coil increases, the heat generated when the current passes through the coil will also increase. Therefore, the coil itself can generate enough heat, which is transferred to the cooking utensil to heat the cooking utensil.

[0012] During operation, if a magnetic cooking utensil is placed above the coil disk, the magnetic cooking utensil will resonate in the electromagnetic field and generate eddy currents. Under the action of the eddy currents, the magnetic cooking utensil will gradually heat up, so that food can be cooked by the high-temperature magnetic cooking utensil. At the same time, the heat radiation generated by the coil can also provide auxiliary heating to the magnetic cooking utensil to increase the heating power.

[0013] If a non-magnetic cooking utensil is placed on top of the coil disk, although the non-magnetic cooking utensil cannot generate eddy currents through resonance in the electromagnetic field, the heat radiation generated by the coil can directly heat the non-magnetic cooking utensil, thereby cooking food with the high-temperature non-magnetic cooking utensil. And because the coil generates a large amount of heat radiation, when the user flips the pan, the actual heating effect of the coil disk on the cooking utensil will not be affected by the migration of the cooking utensil, thereby simulating the effect of open flame cooking.

[0014] The coil disk also includes a first heat-insulating component and a magnetic component, the magnetic component is arranged opposite to the coil, and the magnetic component is located on the side of the coil away from the cooking utensil. By arranging the magnetic component, the distribution of the electromagnetic field on the side of the coil away from the cooking utensil can be changed, so that the electromagnetic field generated by the coil can be concentrated on the side where the cooking utensil is located, so as to heat the cooking utensil in a centralized manner, thereby achieving the technical effect of improving the electromagnetic heating efficiency and electromagnetic heating energy efficiency.

[0015] The first heat-insulating component is arranged between the coil and the magnetic component, the first side of the first heat-insulating component faces the cooking utensil, the coil is arranged on the first side of the first heat-insulating component, the second side of the first heat-insulating component faces away from the cooking utensil, and the magnetic component is arranged on the second side of the first heat-insulating component. The first heat-insulating component has excellent heat-insulating performance, and can reduce the heat diffused from the high-temperature cooking utensil and the high-temperature coil to the magnetic component, so that the magnetic component is kept at a relatively low temperature during operation, avoiding the magnetic component from losing its magnetism due to high temperature, and ensuring the working reliability of the coil disk.

[0016] On this basis, the coil disk also includes a second thermal insulation component, which is arranged on the side of the first thermal insulation component facing away from the coil. After assembly, the second thermal insulation component at least fills the area between the first thermal insulation component and the magnetic component. The second thermal insulation component can form a second barrier between the first thermal insulation component and the magnetic component to further reduce the heat transfer efficiency between the coil and the magnetic component.

[0017] Among them, the material of the second thermal insulation component is different from that of the first thermal insulation component. The first thermal insulation component not only needs to have excellent thermal insulation performance, but also needs to have sufficient hardness and rigidity to ensure that the first thermal insulation component can provide effective and reliable support for the coil. For example, the material of the first thermal insulation component can be a mixture of white carbon black and moissanite, or it can be a flexible vacuum silicon thermal insulation cotton. The second thermal insulation component does not come into contact with the coil, and the hardness and rigidity requirements of the second thermal insulation component are relatively low. Therefore, the main task of the second thermal insulation component is to reduce the heat conduction efficiency between the coil and the magnetic part. Therefore, a second thermal insulation component with better thermal insulation performance than the first thermal insulation component can be obtained by selecting different materials. For example, the second thermal insulation component can be prepared by aerogel.

[0018] When a single thermal insulation material is filled between the coil and the magnetic part, the filling thickness required to achieve the target thermal insulation requirement is relatively large, which is not conducive to the ultra-thin design of the coil disk. The present application can reduce the filling thickness between the coil and the magnetic part while meeting the coil positioning support requirements by coordinating the first thermal insulation component with a second thermal insulation component whose thermal insulation performance is better, thereby solving the technical defect of the large thickness of the coil disk in the related technology, and further achieving the technical effect of optimizing the coil disk structure, improving the structural compactness of the coil disk, reducing the thickness of the coil disk, and providing convenient conditions for the miniaturized design of the coil disk.

[0019] In addition, the coil disk provided by the present invention may also have the following additional technical features:

[0020] In some technical solutions of the present invention, optionally, the coil disk further includes: a supporting component, a first side of the supporting component includes a receiving groove, the coil and the first heat insulation component are arranged in the receiving groove, and the magnetic component is arranged on the second side of the supporting component.

[0021] In this technical solution, the coil disk also includes a support component, which is connected to the first heat insulation component and can provide support and protection for the first heat insulation component and the coil. After power is turned on, the heat radiation generated by the coil is blocked by the first heat insulation component to reduce the working temperature of the support component and avoid high-temperature melting of the support component.

[0022] The first side of the support component is formed with a receiving groove, the receiving groove faces the cooking utensil, the first heat insulating component and the coil are arranged in the receiving groove, the magnetic component is fixed to the second side of the support component, and during the assembly process, the magnetic component is first assembled to the support component, and then the heat insulating component and the coil are installed in the receiving groove, and the heat insulating component and the support component are fixedly connected.

[0023] In some technical solutions of the present utility model, optionally, the second thermal insulation component is located between the first thermal insulation component and the magnetic component.

[0024] In this technical solution, the second heat insulation component is only arranged between the first heat insulation component and the magnetic component. Optionally, the second heat insulation component is in sheet form, and the second heat insulation component is arranged on the second side of the supporting component, and a gap is left between the magnetic component and the supporting component, and the second heat insulation component is filled in the gap.

[0025] During operation, part of the heat generated by the coil is transferred toward the direction of the magnetic part. The first thermal insulation component can reduce the rate of heat transfer to the supporting component. After the heat is transferred across the supporting component to the second thermal insulation component, the second thermal insulation component further reduces the rate of heat transfer to the magnetic part, thereby forming two layers of thermal insulation protection to reduce the temperature value of the magnetic part during operation, avoid high-temperature demagnetization of the magnetic part, and ensure that the magnetic part can concentrate the electromagnetic field on the cooking utensil located on the first side of the coil, thereby achieving the technical effect of improving the thermal insulation performance of the coil disk and improving the heating efficiency and heating reliability of the coil disk.

[0026] In some technical solutions of the present utility model, optionally, the second heat insulation component is arranged between the first heat insulation component and the supporting component.

[0027] In this technical solution, the second heat insulation component is only arranged between the first heat insulation component and the magnetic member. Optionally, the second heat insulation component is in sheet form, and the second heat insulation component is arranged inside the receiving groove, and a gap is left between the first heat insulation component and the bottom surface of the receiving groove, and the second heat insulation component is arranged in the gap.

[0028] During operation, part of the heat generated by the coil is transferred toward the direction of the magnetic part. The first thermal insulation component can reduce the rate of heat transfer to the second thermal insulation component. After being transferred to the second thermal insulation component, the second thermal insulation component further reduces the rate of heat transfer to the supporting component and the magnetic part, thereby forming two layers of thermal insulation protection to reduce the temperature value of the magnetic part during operation, avoid high-temperature demagnetization of the magnetic part, and ensure that the magnetic part can concentrate the electromagnetic field on the cooking utensil located on the first side of the coil, thereby achieving the technical effect of improving the thermal insulation performance of the coil disk and improving the heating efficiency and heating reliability of the coil disk.

[0029] In some technical solutions of the present utility model, optionally, the second thermal insulation component wraps the magnetic component.

[0030] In this technical solution, the second thermal insulation component is arranged on the outer surface of the magnetic component, wherein the second thermal insulation component at least covers the surface of the magnetic component facing the supporting component. Specifically, the entire magnetic component can be wrapped by the second thermal insulation component.

[0031] In this case, the second thermal insulation component and the magnetic component are combined into a module, and the assembly of the second thermal insulation component is completed simultaneously during the process of assembling the magnetic component to the supporting component, thereby reducing the rate of heat transfer to the magnetic component through the second thermal insulation component wrapped around the outside of the magnetic component, so that the magnetic component can maintain a low temperature during operation, thereby achieving the technical effect of reducing the process complexity of the coil disk and reducing the difficulty of assembling the coil disk.

[0032] In some technical solutions of the present utility model, optionally, the thickness of the first heat insulating component ranges from greater than or equal to 4 mm to less than or equal to 9 mm.

[0033] In this technical solution, the axial direction of the coil corresponds to the thickness direction of the coil disk, and the thickness of the first thermal insulation component needs to be greater than or equal to 4 mm and less than or equal to 9 mm.

[0034] By limiting the thickness of the first thermal insulation component to be greater than or equal to 4 mm, it can be ensured that the first thermal insulation component has sufficient hardness and rigidity, ensures that the first thermal insulation component can effectively support and position the coil, and extends the service life of the first thermal insulation component.

[0035] By limiting the thickness of the first thermal insulation component to be less than or equal to 9 mm, the space occupied by the first thermal insulation component in the thickness direction of the coil disk can be reduced on the basis of meeting the thermal insulation requirements, thereby providing convenient conditions for the ultra-thin design of the coil disk.

[0036] Optionally, when the coil disk is applied to an induction cooker, the thickness of the first heat insulating component is greater than or equal to 5 mm and less than or equal to 7 mm.

[0037] In some technical solutions of the present invention, optionally, the first heat insulating component includes a slot, and the coil part is inserted into the slot; the depth of the slot ranges from greater than or equal to 3 mm to less than or equal to 4 mm.

[0038] In this technical solution, a slot is provided on the first side of the first thermal insulation component, and correspondingly, a pin is provided on the coil. During the assembly process, the pin on the coil is inserted into the slot to complete the assembly of the coil on the first thermal insulation component. The cooperation of the pin and the slot can enable the coil to maintain a spiral shape on the first thermal insulation component, reducing the possibility of misalignment and deformation of the coil, thereby improving the heating reliability of the coil disk and reducing the failure rate of the coil disk.

[0039] On this basis, the depth of the slot is greater than or equal to 3 mm and less than or equal to 4 mm.

[0040] By limiting the depth of the slot to be greater than or equal to 3 mm, it can be ensured that the slot can cooperate with the pins to provide effective positioning and support for the coil, avoiding the dislocation and deformation of the coil due to external impact or self-stress, thereby improving the positioning accuracy of the coil.

[0041] By limiting the depth of the slot to be less than or equal to 4 mm, the structural damage caused by the coil to the first thermal insulation component can be reduced while meeting the coil positioning requirements. On the one hand, it is ensured that the first thermal insulation component has sufficient rigidity and hardness to reduce the probability of damage to the thermal insulation component. On the other hand, it is ensured that the first thermal insulation component has sufficient thermal insulation performance to reduce the heat transferred from the slot to the magnetic part.

[0042] In some technical solutions of the present invention, optionally, between the first thermal insulation component and the magnetic component, the thickness of the second thermal insulation component ranges from greater than or equal to 1 mm to less than or equal to 5 mm.

[0043] In this technical solution, the thickness of the second thermal insulation component located between the first thermal insulation component and the magnetic component needs to be greater than or equal to 1 mm and less than or equal to 5 mm.

[0044] By limiting the filling thickness of the second thermal insulation component between the first thermal insulation component and the magnetic component to be greater than or equal to 1 mm, it can be ensured that the second thermal insulation component can form an effective second thermal insulation protection based on the first thermal insulation component, so that the magnetic component can be maintained in a lower temperature range during operation.

[0045] By limiting the filling thickness of the second thermal insulation component between the first thermal insulation component and the magnetic component to be less than or equal to 5 mm, the thickness of the coil disk can be reduced while meeting the thermal insulation requirements, thereby providing convenient conditions for the ultra-thin design of the coil disk.

[0046] In some technical solutions of the present utility model, optionally, the first side of the first thermal insulation component includes convex ribs, and the convex ribs and the coils are staggered.

[0047] In this technical solution, a convex rib is provided on the first side of the first thermal insulation component, and the convex rib can enhance the structural strength of the first thermal insulation component to reduce the possibility of deformation or even breakage of the first thermal insulation component.

[0048] Optionally, the ribs include an annular first rib and a columnar second rib, and the first rib surrounds the coil. The first rib can not only enhance the structural strength of the first thermal insulation component, but also reduce the rate at which heat diffuses from the coil to the surrounding area, thereby improving the heating efficiency of the coil disk.

[0049] The second convex rib is arranged at the center of the spiral coil, that is, the coil is coiled around the second convex rib. The second convex rib can provide an installation space for the temperature sensor. The temperature sensor is used to detect the temperature value of the cooking utensil. By arranging the temperature sensor on the second convex rib, the temperature sensor and the coil can be staggered to avoid the heated coil affecting the detection result of the temperature sensor, thereby improving the detection accuracy of the temperature sensor.

[0050] A second aspect of the utility model provides a cooking device, which includes: a body; and a coil disk as in any of the above technical solutions, which is arranged on the body.

[0051] In this technical solution, a cooking device provided with the coil disk in any of the above technical solutions is proposed, so the cooking device has the advantages of the coil disk in any of the above technical solutions and can achieve the technical effects that can be achieved by the coil disk in any of the above technical solutions. To avoid repetition, it will not be described here.

[0052] On this basis, the cooking device also includes a body, which is the main frame structure of the cooking device. The body is used to position, support and protect other working structures on the cooking device. The coil disk can be set inside the body, and the coil disk can also be embedded on the top of the body to heat the cooking utensils placed on the cooking device through the coil disk.

[0053] Additional aspects and advantages of the present invention will become apparent in the following description or will be understood through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0054] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0055] Figure 1 A schematic structural diagram of a coil disk according to an embodiment of the utility model is shown;

[0056] Figure 2 An exploded view of a coil disk according to an embodiment of the present utility model is shown;

[0057] Figure 3 A schematic structural diagram of a coil disk according to an embodiment of the utility model is shown;

[0058] Figure 4 for Figure 3 A cross-sectional view of the coil disk in the embodiment shown in the AA direction;

[0059] Figure 5 A schematic structural diagram of a first heat insulation component according to an embodiment of the utility model is shown;

[0060] Figure 6 A schematic structural diagram of a first heat insulation component according to an embodiment of the utility model is shown;

[0061] Figure 7 A schematic structural diagram of a second heat insulating component according to an embodiment of the utility model is shown;

[0062] Figure 8 for Figure 7 A cross-sectional view of the second thermal insulation component in the embodiment shown in the BB direction;

[0063] Fig. 9 for Figure 8 A partial enlarged view of the coil disk in the C region in the embodiment shown;

[0064] Fig.10 A schematic structural diagram of a coil disk according to an embodiment of the utility model is shown;

[0065] Fig.11 for Fig.10 A cross-sectional view of the coil disk in the embodiment shown in the DD direction;

[0066] Fig.12 for Fig.11 A partial enlarged view of the coil disk in the illustrated embodiment in the E region;

[0067] Fig.13 A schematic structural diagram of a coil disk according to an embodiment of the utility model is shown;

[0068] Fig.14 A schematic structural diagram of a coil disk according to an embodiment of the utility model is shown;

[0069] Fig.15 A schematic structural diagram of a coil disk according to an embodiment of the utility model is shown;

[0070] Fig.16 A schematic structural diagram of a coil disk according to an embodiment of the utility model is shown.

[0071] in, Figures 1 to 16 The corresponding relationship between the reference numerals and component names in the figure is:

[0072] 100 coil disk, 110 first heat insulating component, 1102 slot, 1104 rib, 112 second heat insulating component, 120 coil, 130 magnetic member, 140 supporting component, 1402 receiving groove, 200 cooking utensil. DETAILED DESCRIPTION

[0073] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0074] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0075] Refer to the following Figures 1 to 16 A coil pan and a cooking device according to some embodiments of the present invention are described.

[0076] like Figure 1 , Figure 2 and Fig.13 As shown, an embodiment of the utility model provides a coil disk 100, which includes: a first thermal insulation component 110; a coil 120, which is arranged on a first side of the first thermal insulation component 110, and the coil 120 can generate thermal radiation and an electromagnetic field after being energized; a magnetic member 130, which is arranged on a second side of the thermal insulation component away from the coil 120; a second thermal insulation component 112, which is at least partially located between the first thermal insulation component 110 and the magnetic member 130, and the first thermal insulation component 110 and the second thermal insulation component 112 are made of different materials.

[0077] Figure 1 The arrow a in the middle shows the transfer direction of the heat generated by the coil 120 .

[0078] Figure 2 The middle arrow b shows the axial direction of the coil 120 , which corresponds to the thickness direction of the coil disk 100 .

[0079] The present application defines a coil disk 100 , which has electromagnetic heating function and thermal radiation heating function.

[0080] The coil disk 100 includes a coil 120 , and the winding is spirally wound to form a spiral coil 120 . When the spiral coil 120 is energized, an electromagnetic field can be generated thereon. At the same time, since the coil 120 has a certain internal resistance, the energized coil 120 can also generate heat radiation at the same time.

[0081] The electromagnetic field intensity and heat radiation intensity generated by the coil 120 can be distributed by changing the frequency of the power supply current of the coil 120. Optionally, after a high-frequency current is passed through the coil 120, the coil 120 can not only generate an electromagnetic field, but also generate heat due to its own impedance. When the coil 120 resonates with the resonant capacitor at a higher resonant frequency, the impedance value of the coil 120 itself will be significantly increased due to the skin effect of the coil 120. When the impedance of the coil 120 is increased, the heat generated when the current passes through the coil 120 will also increase. Therefore, the coil 120 itself can generate enough heat, which is transferred to the cooking utensil 200 to heat the cooking utensil 200.

[0082] During operation, if a magnetic cooking utensil 200 is placed above the coil disk 100, the magnetic cooking utensil 200 will resonate in the electromagnetic field and generate eddy currents. Under the action of the eddy currents, the magnetic cooking utensil 200 will gradually heat up, so that food can be cooked by the high-temperature magnetic cooking utensil 200. At the same time, the heat radiation generated by the coil 120 can also provide auxiliary heating to the magnetic cooking utensil 200 to increase the heating power.

[0083] If a non-magnetic cooking utensil 200 is placed on the coil disk 100, although the non-magnetic cooking utensil 200 cannot generate eddy currents through resonance in the electromagnetic field, the heat radiation generated by the coil 120 can directly heat the non-magnetic cooking utensil 200, thereby cooking food with the high-temperature non-magnetic cooking utensil 200. In addition, since the coil 120 generates a large amount of heat radiation, when the user flips the pot, the actual heating effect of the coil disk 100 on the cooking utensil 200 will not be affected by the migration of the cooking utensil 200, thereby simulating the effect of open flame cooking.

[0084] The coil disk 100 further includes a first heat insulating component 110 and a magnetic member 130. The magnetic member 130 is disposed opposite to the coil 120 and is located on the side of the coil 120 away from the cooking utensil 200. By disposing the magnetic member 130, the distribution of the electromagnetic field on the side of the coil 120 away from the cooking utensil 200 can be changed, so that the electromagnetic field generated by the coil 120 can be concentrated on the side where the cooking utensil 200 is located, so as to centrally heat the cooking utensil 200, thereby achieving the technical effect of improving the electromagnetic heating efficiency and electromagnetic heating energy efficiency.

[0085] The first heat insulating component 110 is disposed between the coil 120 and the magnetic component 130, the first side of the first heat insulating component 110 faces the cooking utensil 200, the coil 120 is disposed on the first side of the first heat insulating component 110, the second side of the first heat insulating component 110 faces away from the cooking utensil 200, and the magnetic component 130 is disposed on the second side of the first heat insulating component 110. The first heat insulating component 110 has excellent heat insulating performance, and can reduce the heat diffused from the high-temperature cooking utensil 200 and the high-temperature coil 120 to the magnetic component 130, so that the magnetic component 130 is kept at a relatively low temperature during operation, and the magnetic component 130 is prevented from losing its magnetism due to high temperature, thereby ensuring the working reliability of the coil disk 100.

[0086] On this basis, the coil disk 100 also includes a second thermal insulation component 112, which is arranged on the side of the first thermal insulation component 110 facing away from the coil 120. After assembly, the second thermal insulation component 112 at least fills the area between the first thermal insulation component 110 and the magnetic component 130. The second thermal insulation component 112 can form a second barrier between the first thermal insulation component 110 and the magnetic component 130 to further reduce the heat transfer efficiency between the coil 120 and the magnetic component 130.

[0087] Among them, the material of the second thermal insulation component 112 is different from that of the first thermal insulation component 110. The first thermal insulation component 110 not only needs to have excellent thermal insulation performance, but also needs to have sufficient hardness and rigidity to ensure that the first thermal insulation component 110 can provide effective and reliable support for the coil 120. For example, the material of the first thermal insulation component 110 can be a mixture of white carbon black and moissanite, or it can be flexible vacuum silicon thermal insulation cotton. The second thermal insulation component 112 does not come into contact with the coil 120, and the hardness and rigidity requirements of the second thermal insulation component 112 are relatively low. Therefore, the main task of the second thermal insulation component 112 is to reduce the heat conduction efficiency between the coil 120 and the magnetic part 130. Therefore, a second thermal insulation component 112 with better thermal insulation performance than the first thermal insulation component 110 can be obtained by selecting different materials. For example, the second thermal insulation component 112 can be prepared by aerogel.

[0088] When a single thermal insulation material is filled between the coil 120 and the magnetic component 130, the filling thickness required to achieve the target thermal insulation requirement is relatively large, which is not conducive to the ultra-thin design of the coil disk 100. The present application reduces the filling thickness between the coil 120 and the magnetic component 130 on the basis of meeting the positioning and support requirements of the coil 120 by cooperating with the first thermal insulation component 110 and the second thermal insulation component 112 whose thermal insulation performance is better, thereby solving the technical defect of the large thickness of the coil disk 100 existing in the related art, and further realizing the technical effect of optimizing the structure of the coil disk 100, improving the structural compactness of the coil disk 100, reducing the thickness of the coil disk 100, and providing convenient conditions for the miniaturized design of the coil disk 100.

[0089] like Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, in some embodiments of the present invention, optionally, the coil disk 100 also includes: a supporting component 140, a first side of the supporting component 140 includes a receiving groove 1402, the coil 120 and the first thermal insulation component 110 are arranged in the receiving groove 1402, and the magnetic component 130 is arranged on the second side of the supporting component 140.

[0090] In this embodiment, the coil disk 100 further includes a support component 140, which is connected to the first heat insulating component 110 and can provide support and protection for the first heat insulating component 110 and the coil 120. After power is turned on, the heat radiation generated by the coil 120 is blocked by the first heat insulating component 110 to reduce the working temperature of the support component 140 and prevent the support component 140 from melting at high temperature.

[0091] The first side of the support component 140 is formed with a receiving groove 1402, the receiving groove 1402 faces the cooking utensil 200, and the first heat insulating component 110 and the coil 120 are arranged in the receiving groove 1402. The magnetic component 130 is fixed to the second side of the support component 140. During the assembly process, the magnetic component 130 is first assembled to the support component 140, and then the heat insulating component and the coil 120 are installed in the receiving groove 1402, and the heat insulating component and the support component 140 are fixedly connected.

[0092] like Fig.10 , Fig.11 and Fig.12 As shown, in some embodiments of the present invention, optionally, the second thermal insulation component 112 is located between the first thermal insulation component 110 and the magnetic component 130 .

[0093] In this embodiment, the second thermal insulation component 112 is only disposed between the first thermal insulation component 110 and the magnetic component 130. Optionally, the second thermal insulation component 112 is in a sheet shape, and the second thermal insulation component 112 is disposed on the second side of the support component 140, and a gap is left between the magnetic component 130 and the support component 140, and the second thermal insulation component 112 fills the gap.

[0094] During operation, part of the heat generated by the coil 120 is transferred toward the direction of the magnetic component 130. The first thermal insulation component 110 can reduce the rate of heat transfer to the support component 140. After the heat is transferred to the second thermal insulation component 112 across the support component 140, the second thermal insulation component 112 further reduces the rate of heat transfer to the magnetic component 130, thereby forming two thermal insulation protections to reduce the temperature value of the magnetic component 130 during operation, avoid high-temperature demagnetization of the magnetic component 130, and ensure that the magnetic component 130 can concentrate the electromagnetic field on the cooking utensil 200 located on the first side of the coil 120, thereby achieving the technical effect of improving the thermal insulation performance of the coil disk 100 and improving the heating efficiency and heating reliability of the coil disk 100.

[0095] like Fig.10 , Fig.11 and Fig.12 As shown, in some embodiments of the present invention, optionally, the second thermal insulation component 112 is disposed between the first thermal insulation component 110 and the support component 140 .

[0096] In this embodiment, the second thermal insulation component 112 is only disposed between the first thermal insulation component 110 and the magnetic member 130. Optionally, the second thermal insulation component 112 is in a sheet shape, and the second thermal insulation component 112 is disposed inside the receiving groove 1402, and a gap is left between the first thermal insulation component 110 and the bottom surface of the receiving groove 1402, and the second thermal insulation component 112 is disposed in the gap.

[0097] During operation, part of the heat generated by the coil 120 is transferred toward the direction of the magnetic component 130. The first thermal insulation component 110 can reduce the rate of heat transfer to the second thermal insulation component 112. After the heat is transferred to the second thermal insulation component 112, the second thermal insulation component 112 further reduces the rate of heat transfer to the support component 140 and the magnetic component 130, thereby forming two thermal insulation protections to reduce the temperature value of the magnetic component 130 during operation, avoid high-temperature demagnetization of the magnetic component 130, and ensure that the magnetic component 130 can concentrate the electromagnetic field on the cooking utensil 200 located on the first side of the coil 120, thereby achieving the technical effect of improving the thermal insulation performance of the coil disk 100 and improving the heating efficiency and heating reliability of the coil disk 100.

[0098] like Fig.14 , Fig.15 and Fig.16 As shown, in some embodiments of the present invention, optionally, the second thermal insulation component 112 wraps the magnetic component 130 .

[0099] In this embodiment, the second thermal insulation component 112 is arranged on the outer surface of the magnetic component 130, wherein the second thermal insulation component 112 at least covers the surface of the magnetic component 130 facing the support component 140. Specifically, the entire magnetic component 130 can be wrapped by the second thermal insulation component 112.

[0100] In this case, the second thermal insulation component 112 and the magnetic component 130 are combined into a module, and the assembly of the second thermal insulation component 112 is simultaneously completed during the process of assembling the magnetic component 130 to the support component 140, so that the rate of heat transfer to the magnetic component 130 is reduced by the second thermal insulation component 112 wrapped around the outside of the magnetic component 130, so that the magnetic component 130 can maintain a low temperature during operation, thereby achieving the technical effect of reducing the process complexity of the coil disk 100 and reducing the difficulty of assembling the coil disk 100.

[0101] like Figure 6 As shown, in some embodiments of the present invention, optionally, the thickness H1 of the first heat insulating component 110 is in the range of: greater than or equal to 4 mm, and less than or equal to 9 mm.

[0102] In this embodiment, the axial direction of the coil 120 corresponds to the thickness direction of the coil disk 100 , and the thickness of the first heat insulating component 110 needs to be greater than or equal to 4 mm and less than or equal to 9 mm.

[0103] By limiting the thickness of the first thermal insulation component 110 to be greater than or equal to 4 mm, it can be ensured that the first thermal insulation component 110 has sufficient hardness and rigidity, ensures that the first thermal insulation component 110 can effectively support and position the coil 120, and extends the service life of the first thermal insulation component 110.

[0104] By limiting the thickness of the first thermal insulation component 110 to be less than or equal to 9 mm, the space occupied by the first thermal insulation component 110 in the thickness direction of the coil disk 100 can be reduced on the basis of meeting the thermal insulation requirements, thereby providing convenient conditions for the ultra-thin design of the coil disk 100.

[0105] Optionally, when the coil disk 100 is applied to an induction cooker, the thickness of the first heat insulating component 110 is greater than or equal to 5 mm and less than or equal to 7 mm.

[0106] like Figure 6 As shown, in some embodiments of the present invention, optionally, the first heat insulating component 110 includes a slot 1102, and the coil 120 is partially inserted into the slot 1102; the depth H2 of the slot 1102 ranges from greater than or equal to 3 mm to less than or equal to 4 mm.

[0107] In this embodiment, a slot 1102 is provided on the first side of the first thermal insulation component 110, and a pin is correspondingly provided on the coil 120. During the assembly process, the pin on the coil 120 is inserted into the slot 1102 to complete the assembly of the coil 120 on the first thermal insulation component 110. The cooperation between the pin and the slot 1102 can enable the coil 120 to maintain a spiral shape on the first thermal insulation component 110, reducing the possibility of misalignment and deformation of the coil 120, thereby improving the heating reliability of the coil disk 100 and reducing the failure rate of the coil disk 100.

[0108] On this basis, the depth of the slot 1102 is greater than or equal to 3 mm and less than or equal to 4 mm.

[0109] By limiting the depth of the slot 1102 to be greater than or equal to 3 mm, it can be ensured that the slot 1102 can cooperate with the pins to provide effective positioning and support for the coil 120, avoiding the dislocation and deformation of the coil 120 due to external impact or self-stress, thereby improving the positioning accuracy of the coil 120.

[0110] By limiting the depth of the slot 1102 to be less than or equal to 4 mm, the structural damage caused by the coil 120 to the first thermal insulation component 110 can be reduced while meeting the positioning requirements of the coil 120. On the one hand, it ensures that the first thermal insulation component 110 has sufficient rigidity and hardness to reduce the probability of damage to the thermal insulation component. On the other hand, it ensures that the first thermal insulation component 110 has sufficient thermal insulation performance to reduce the heat transferred from the slot 1102 to the magnetic component 130.

[0111] like Figure 7 , Figure 8 and Fig. 9 As shown, in some embodiments of the present invention, optionally, between the first thermal insulation component 110 and the magnetic component 130, the thickness H3 of the second thermal insulation component 112 is in the range of: greater than or equal to 1 mm, and less than or equal to 5 mm.

[0112] In this embodiment, the thickness of the second thermal insulation component 112 located between the first thermal insulation component 110 and the magnetic component 130 needs to be greater than or equal to 1 mm and less than or equal to 5 mm.

[0113] By limiting the filling thickness of the second thermal insulation component 112 between the first thermal insulation component 110 and the magnetic component 130 to be greater than or equal to 1 mm, it can be ensured that the second thermal insulation component 112 can form an effective second thermal insulation protection on the basis of the first thermal insulation component 110, so that the magnetic component 130 can be maintained in a lower temperature range during operation.

[0114] By limiting the filling thickness of the second thermal insulation component 112 between the first thermal insulation component 110 and the magnetic component 130 to be less than or equal to 5 mm, the thickness of the coil disk 100 can be reduced while meeting the thermal insulation requirements, thereby facilitating the ultra-thin design of the coil disk 100.

[0115] like Figure 3 and Figure 4 As shown, in some embodiments of the present invention, optionally, the first side of the first thermal insulation component 110 includes a convex rib 1104, and the convex rib 1104 and the coil 120 are staggered.

[0116] In this embodiment, a convex rib 1104 is provided on the first side of the first thermal insulation component 110 , and the convex rib 1104 can enhance the structural strength of the first thermal insulation component 110 , so as to reduce the possibility of deformation or even breakage of the first thermal insulation component 110 .

[0117] Optionally, the rib 1104 includes a first annular rib and a second columnar rib, and the first rib surrounds the coil 120. The first rib can not only enhance the structural strength of the first thermal insulation component 110, but also reduce the rate at which the coil 120 diffuses heat to the surrounding area, so as to improve the heating efficiency of the coil disk 100.

[0118] The second convex rib is arranged at the center of the spiral coil 120, that is, the coil disk 100 is wound around the second convex rib. The second convex rib can provide an installation space for the temperature sensor. The temperature sensor is used to detect the temperature value of the cooking utensil 200. By arranging the temperature sensor on the second convex rib, the temperature sensor and the coil 120 can be staggered to avoid the heated coil 120 affecting the detection result of the temperature sensor, thereby improving the detection accuracy of the temperature sensor.

[0119] A second aspect of the present invention provides a cooking device, which includes: a body; and a coil disk 100 such as any one of the above embodiments, which is arranged on the body.

[0120] In this embodiment, a cooking device provided with the coil disk 100 in any of the above embodiments is proposed, so the cooking device has the advantages of the coil disk 100 in any of the above embodiments and can achieve the technical effects that can be achieved by the coil disk 100 in any of the above embodiments. To avoid repetition, it will not be described here.

[0121] On this basis, the cooking device also includes a main body, which is the main frame structure of the cooking device. The main body is used to position, support and protect other working structures on the cooking device. The coil disk 100 can be set inside the main body, and the coil disk 100 can also be embedded on the top of the main body to heat the cooking utensils 200 placed on the cooking device through the coil disk 100.

[0122] It should be clarified that in the claims, specification and drawings of the present invention, the term "multiple" refers to two or more than two. Unless otherwise clearly defined, the orientation or position relationship indicated by the terms "upper" and "lower" is based on the orientation or position relationship shown in the drawings, which is only for the purpose of more conveniently describing the present invention and making the description process easier, rather than indicating or implying that the device or element referred to must have the specific orientation described, be constructed and operated in a specific orientation, so these descriptions cannot be understood as limitations on the present invention; the terms "connect", "install", "fix" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection between multiple objects, or a detachable connection between multiple objects, or an integral connection; it can be a direct connection between multiple objects, or an indirect connection between multiple objects through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood based on the specific circumstances of the above data.

[0123] In the claims, specification and drawings of the present invention, the description of the terms "one embodiment", "some embodiments", "specific embodiments" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In the claims, specification and drawings of the present invention, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0124] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A coil disk, characterized in that: include: a first thermal insulation member; A coil, disposed on the first side of the first heat-insulating component, the coil being capable of generating heat radiation and an electromagnetic field when energized; A magnetic member, arranged on a second side of the first heat insulating member away from the coil; The second thermal insulation component is at least partially located between the first thermal insulation component and the magnetic component, and the first thermal insulation component and the second thermal insulation component are made of different materials.

2. The coil disk according to claim 1, characterized in that Also includes: A supporting component, wherein a first side of the supporting component comprises a receiving groove, the coil and the first heat insulating component are arranged in the receiving groove, and the magnetic component is arranged on a second side of the supporting component.

3. The coil disk according to claim 2, characterized in that The second heat insulating component is located between the first heat insulating component and the magnetic component.

4. The coil disk according to claim 3, characterized in that The second heat insulating component is disposed between the first heat insulating component and the supporting component.

5. The coil disk according to claim 1, characterized in that The second heat insulating component wraps the magnetic component.

6. The coil disk according to claim 1, characterized in that The thickness of the first heat insulating component is in the range of greater than or equal to 4 mm and less than or equal to 9 mm.

7. The coil disk according to claim 6, characterized in that The first heat-insulating component includes a slot, and the coil portion is inserted into the slot; The depth of the slot is in the range of: greater than or equal to 3 mm and less than or equal to 4 mm.

8. The coil disk according to claim 1, characterized in that Between the first heat insulating component and the magnetic member, the thickness of the second heat insulating component is in the range of greater than or equal to 1 mm and less than or equal to 5 mm.

9. The coil disk according to any one of claims 1 to 8, characterized in that The first side of the first heat insulation component includes a convex rib, and the convex rib and the coil are staggered.

10. A cooking device, characterized in that: include: ontology; The coil disk according to any one of claims 1 to 9, arranged on the main body.

Citation Information

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