Wire coil device and electromagnetic heating cooking utensil

Abstract

The invention discloses a wire coil device and an electromagnetic heating cooking utensil. The wire coil device is used for the electromagnetic heating cooking utensil and comprises a temperature sensor assembly and a wire coil assembly. The temperature sensor assembly is used for making contact with the bottom face of a cooking container of the electromagnetic heating cooking utensil, and the cooking container is used for containing food materials. The wire coil assembly comprises a wire winding frame and at least one disc-shaped winding wire. The coil holder is used for being arranged on one side of the cooking container, and the coil holder is provided with a coil holder central axis. The disc-shaped winding wire is arranged on the wire winding frame in the circumferential direction of the wire winding frame and used for generating an alternating magnetic field used for electromagnetic heating after being powered on. The wire coil device is configured to enable at least part of the temperature sensor assembly to rotate around the central axis of the wire coil frame relative to the wire coil frame, and can drive the cooking container to rotate around the central axis of the wire coil frame relative to the wire coil frame.

Description

Technical Field

[0001] The present application relates to the technical field of cooking appliances, and in particular to a wire reel device and an electromagnetic heating cooking appliance having the same. Background Art

[0002] During the heating process of existing electromagnetic heating cooking appliances, the convection heating form is relatively stable, and there is a problem of uneven local heating; taking an electric rice cooker as an example, after cooking, the rice is prone to problems such as partial mushyness or dryness.

[0003] Therefore, a wire reel device and an electromagnetic heating cooking appliance are needed to at least partially solve the above problems. Summary of the invention

[0004] A series of simplified concepts are introduced in the Summary of the Invention section, which will be further described in detail in the Detailed Description of the Invention section. The Summary of the Invention section of this application does not mean to attempt to define the key features and essential technical features of the claimed technical solution, nor does it mean to attempt to determine the scope of protection of the claimed technical solution.

[0005] In order to at least partially solve the above problems, the present application provides a wire reel device for electromagnetic heating cooking utensils, comprising:

[0006] a temperature sensor assembly, configured to contact a bottom surface of a cooking container of the electromagnetic heating cooking device, wherein the cooking container is used to hold food; and

[0007] A wire drum assembly, the wire drum assembly comprising:

[0008] a wire rack for being arranged at least below the cooking container, the wire rack having a wire rack central axis, and

[0009] at least one coiled wire, arranged on the coiling frame along the circumferential direction of the coiling frame, for generating an alternating magnetic field for electromagnetic heating after being energized,

[0010] The wire coil device is constructed so that at least part of the temperature sensor assembly can rotate relative to the wire coil rack around the central axis of the wire coil rack, and can drive the cooking container to rotate relative to the wire coil rack around the central axis of the wire coil rack.

[0011] According to the present application, the wire reel assembly can generate local areas with high heating intensity and local areas with relatively low heating intensity on the cooking container, and the temperature sensor assembly can drive the cooking container to rotate relative to the wire reel device, so that the heated part of the cooking container changes, and there are areas with high heating intensity and areas with relatively weak heating intensity along the circumferential direction of the wire reel device, thereby inducing violent tumbling of the cooked ingredients inside the cooking container, thereby improving the cooking quality.

[0012] Optionally, the temperature sensor assembly includes a first end and a second end, wherein the first end is used to contact the bottom surface of the cooking container, and the second end is provided with a wire outlet to lead out a cable of the temperature sensor assembly.

[0013] According to the present application, the temperature sensor assembly has a reasonable structure, and the lead-out portion of the cable is as far away from the cooking container as possible to avoid interference with the cooking container.

[0014] Optionally, a wire coil through hole is provided in the central portion of the wire coil rack, and the temperature sensor assembly is adapted to the wire coil through hole, so that at least a portion of the temperature sensor assembly can rotate relative to the wire coil rack around the central axis of the wire coil rack.

[0015] Furthermore, the wire coil through hole and the temperature sensor assembly are connected via a rotary substructure, wherein the axis of the rotary substructure roughly coincides with the central axis of the wire coil rack.

[0016] According to the present application, the temperature sensor assembly can be stably rotated relative to the cable drum.

[0017] Optionally, a cylindrical portion is provided in the central portion of the wire coil rack, the wire coil through hole is formed inside the cylindrical portion, and the first end portion and the second end portion pass through the wire coil through hole from two ends of the cylindrical portion respectively.

[0018] According to the present application, the connection method between the cable coiling rack and the temperature sensor assembly is simple.

[0019] Optionally, the inner peripheral surface of the wire coil through hole is provided with a blocking surface extending toward the temperature sensor assembly along the radial direction of the wire coil through hole, and the temperature sensor assembly further comprises a first blocking portion extending outwardly along the radial direction of the wire coil rack;

[0020] The cable drum device is configured such that the rotary auxiliary structure is limited between the blocking surface and the first blocking portion along the axial direction of the cable drum frame.

[0021] According to the present application, the first blocking portion and the blocking surface can limit the rotary secondary structure in the axial direction.

[0022] Optionally, the temperature sensor assembly is provided with a connecting structure for connecting to a driving device, so that the temperature sensor assembly can rotate relative to the wire coiling rack around the central axis of the wire coiling rack under the drive of the driving device, wherein the connecting structure is arranged on the side of the first blocking portion facing the second end portion.

[0023] According to the present application, the connection structure can stably connect the temperature sensor assembly to the driving device.

[0024] Optionally, the driving device includes a second transmission wheel, which is an annular structure and is used to be sleeved on the outer peripheral surface of the temperature sensor assembly;

[0025] The connecting structure is used to connect the second transmission wheel, and the connecting structure includes a first limit stop surface, which extends outward from the outer peripheral surface of the temperature sensor assembly along the radial direction of the temperature sensor assembly and toward the second end, and is used to limit the movement of the transmission wheel along the axial direction of the temperature sensor assembly toward the wire coil rack.

[0026] According to the present application, the first limit stop surface can define the axial position of the second transmission wheel.

[0027] Optionally, at least one second connecting body is provided on the inner circumferential surface of the second transmission wheel, and the connecting structure further comprises at least one first connecting body, the first connecting body is used to be arranged corresponding to and connected to the second connecting body, and the first connecting body is closer to the second end than the first limit stop surface;

[0028] When the second transmission wheel is installed at a set position, the first connecting body is engaged with the second connecting body to limit the second transmission wheel from rotating relative to the connecting structure.

[0029] According to the present application, the second transmission wheel drives the temperature sensor assembly to rotate through the second connecting body and the first connecting body.

[0030] Furthermore, the connection structure includes a plurality of the first connection bodies, and the plurality of the first connection bodies are arranged at intervals along the circumference of the temperature sensor assembly.

[0031] According to the present application, the second transmission wheel drives the temperature sensor assembly to rotate through a plurality of first connectors arranged at equal intervals, and the transmission is more stable.

[0032] Optionally, the second connecting body is a limiting groove arranged on the inner circumferential surface of the second transmission wheel, and the limiting groove extends along the axial direction of the second transmission wheel. The first connecting body is a convex rib arranged on the outer circumferential surface of the temperature sensor assembly, and the limiting groove is used to accommodate the convex rib.

[0033] According to the present application, the first connector and the second connector are arranged in a simple manner.

[0034] Optionally, the connecting structure also includes at least one second limit stop member, which is arranged on the outer peripheral surface of the temperature sensor assembly, and the side of the second limit stop member facing the first end includes a second limit stop surface, and the second limit stop surface extends outward from the outer peripheral surface of the temperature sensor assembly along the radial direction of the temperature sensor assembly, and the second limit stop surface is closer to the second end than the first limit stop surface.

[0035] According to the present application, the first limit stop surface and the second limit stop surface have an axial limiting function on the second transmission wheel.

[0036] Optionally, the second limit stopper has a first outer surface located on a side facing away from the temperature sensor assembly, and the first outer surface is configured to be inclined relative to the axis of the temperature sensor assembly, so that a distance between an end of the first outer surface facing the second end and the axis of the temperature sensor assembly is smaller than a distance between an end of the first outer surface facing the first end and the axis of the temperature sensor assembly;

[0037] Portions of the temperature sensor assembly located on both sides of the second limit stopper along the circumferential direction of the temperature sensor assembly are configured as functional grooves extending along the axial direction of the temperature sensor assembly, and the functional grooves penetrate through the side walls of the temperature sensor assembly.

[0038] According to the present application, the second limit stop can play a guiding and limiting role when installing the second transmission wheel.

[0039] Optionally, the connection structure includes a plurality of the second limit stops, and the plurality of the second limit stops are arranged at intervals along the circumferential direction of the temperature sensor assembly.

[0040] According to the present application, a plurality of second limit stops can make the connection between the second transmission wheel and the temperature sensor assembly more stable.

[0041] Optionally, the coiled wire is arranged on a side of the wire coiling rack facing the second end.

[0042] According to the present application, the coiled wire is arranged on one side of the coiling frame facing the second end of the housing, which can facilitate the connection of the coiled wire.

[0043] Optionally, the wire coil device further comprises a clutch member detachably connected to the bottom surface of the cooking container, wherein the clutch member is arranged at the first end portion so that the clutch member and the temperature sensor assembly can rotate synchronously relative to the wire coil rack around the central axis of the wire coil rack.

[0044] According to the present application, the clutch element makes the connection between the temperature sensor assembly and the cooking container more stable.

[0045] Optionally,

[0046] The clutch member is configured to be magnetic; and / or

[0047] The clutch member is configured to be engaged with the bottom surface of the cooking container.

[0048] According to the present application, the clutch member is connected to the cooking container in a simple manner.

[0049] Optionally, the clutch member is provided with a limiting through hole, and the first end portion passes through the limiting through hole, so that the clutch member is sleeved on the first end portion.

[0050] According to the present application, the connection method between the clutch component and the temperature sensor assembly is simple.

[0051] Optionally, the temperature sensor assembly further includes a second blocking portion extending outwardly in a radial direction of the cable drum, for contacting a side of the clutch member facing the second end portion.

[0052] According to the present application, the second blocking portion may limit the axial position of the clutch member.

[0053] Optionally, the temperature sensor assembly includes a shell for contacting the bottom surface of the cooking container and the cable extending from the shell, wherein the cable is used to be mechanically connected to the wire reel, and the wire reel device is constructed so that the shell can rotate relative to the cable around the central axis of the wire reel to drive the cooking container to rotate synchronously with the cable around the central axis of the wire reel.

[0054] According to the present application, when in use, the cable of the temperature sensor assembly does not rotate, thereby facilitating the wiring of the temperature sensor assembly.

[0055] Optionally, the coiled winding is formed by winding an enameled wire, and the enameled wire comprises:

[0056] a coiled portion, the coiled portion being arranged on a side of the coil frame facing the second end portion, forming an effective resonant inductance of the electromagnetic heating resonant circuit, and

[0057] two terminal portions, wherein the terminal portions are portions of the enameled wire that are not used to form the effective resonant inductor, and the coiled portion is located between the two terminal portions;

[0058] The cable reel is provided with a bunching piece for gathering all the terminal parts.

[0059] According to the present application, the bundling member makes the enameled wires of the coiled wires neat and arranged along the surface of the coiling rack, thereby avoiding interference of the enameled wires with other components.

[0060] Optionally, the wire reel assembly comprises a plurality of the coiled wires, wherein

[0061] The plurality of coiled wires are arranged at equal intervals on the wire coiling rack along the circumferential direction of the wire coiling rack; and / or

[0062] At least some of the plurality of coiled wires are connected in series or the plurality of coiled wires do not share a common wire.

[0063] According to the present application, a plurality of coiled wires are arranged at equal intervals along the circumferential direction of the coiling rack, which is conducive to controlling the coiling device. The winding method of the plurality of coiled wires is flexible. When the coiled wires do not share wires, the power-on state of each coiled wire can be controlled separately to form a more flexible composition of the heating heat source.

[0064] Optionally, the axial cross-section of the cable drum is a C-shaped structure.

[0065] According to the present application, the curved wire coiling rack can enable the coiled wire to surround the bottom and sides of the cooking container, which is beneficial for uniform heating of the cooking container.

[0066] Optionally,

[0067] The coiled winding is arranged outside the C-shaped structure; and / or

[0068] The cable drum has a radially symmetrical structure.

[0069] According to the present application, the coiled wire is arranged outside the C-shaped structure of the coiled wire rack, which can facilitate the routing of the coiled wire. The coiled wire rack has a radially symmetrical structure, which is easy to process and convenient to install the coiled wire.

[0070] Optionally,

[0071] The rotary auxiliary structure is configured as a rolling bearing or a sliding sleeve; and / or

[0072] The rotary auxiliary structure is made of non-metallic material.

[0073] According to the present application, the rotary auxiliary structure has stable performance, low price and is easy to obtain. The rotary auxiliary structure is made of non-metallic materials to avoid electromagnetic interference.

[0074] A second aspect of the present application provides an electromagnetic heating cooking appliance, comprising:

[0075] A pot body, wherein the pot body has a containing cavity;

[0076] A cooking container, removably disposed in the accommodating cavity, wherein the cooking container comprises a ferromagnetic material;

[0077] The wire reel device according to any one of the technical solutions of the first aspect, wherein the temperature sensor assembly is in contact with the bottom surface of the cooking container, and the wire reel rack is connected to the cavity wall of the accommodating cavity;

[0078] A driving device is connected to the temperature sensor assembly and is used to drive at least a portion of the temperature sensor assembly to rotate relative to the pot body around the central axis of the wire coiling rack.

[0079] According to the present application, the wire drum assembly can generate an uneven magnetic field, forming an area with greater heating intensity and an area with relatively weaker heating intensity along the circumferential direction of the wire drum device, and the temperature sensor assembly can drive the cooking container to rotate relative to the magnetic field, generating a local area with high heating intensity and a local area with relatively low heating intensity on the cooking container, so that the heated part of the cooking container rotates on the cooking container, so that the cooking container is evenly heated. At the same time, the direction of convection in the cooking container rotates accordingly, which is conducive to the uniform rolling and heating of the food and improves the cooking quality.

[0080] Optionally, the driving device comprises:

[0081] A driving assembly for providing a driving force for rotating at least a portion of the temperature sensor assembly relative to the pot body; and

[0082] The transmission assembly is connected between the driving assembly and the temperature sensor assembly and is used to transmit the driving force to the cooking container.

[0083] According to the present application, the driving device has a simple structure.

[0084] Optionally,

[0085] The drive assembly is configured as a motor; and / or

[0086] The cooking appliance further comprises a grounding wire, one end of which is connected to the housing of the driving assembly, and the other end of which is connected to a ground terminal of the electromagnetic heating cooking appliance.

[0087] According to the present application, the drive assembly is simple to control, has stable performance and is inexpensive. The grounding wire can help the drive assembly resist electromagnetic interference.

[0088] Optionally, the transmission assembly is made of non-metallic material.

[0089] According to the present application, the transmission assembly can be protected from electromagnetic interference.

[0090] Optionally, the electromagnetic heating cooking appliance further comprises a magnetic shielding cover, which is used to cover at least a part of the driving device to shield the alternating magnetic field.

[0091] According to the present application, the magnetic shield can help the driving device resist electromagnetic interference.

[0092] Optionally, the electromagnetic heating cooking appliance further comprises a grounding wire, one end of which is connected to the magnetic shield, and the other end of which is connected to a ground terminal of the electromagnetic heating cooking appliance.

[0093] According to the present application, the grounding wire can improve the anti-electromagnetic interference performance of the magnetic isolation cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0094] The following drawings of the present application are used as a part of the present application for understanding the present application. The drawings show the implementation modes of the present application and the description thereof, and are used to explain the principle of the present application.

[0095] In the attached figure:

[0096] Figure 1 It is a side cross-sectional schematic diagram of a cooking appliance according to a specific embodiment of the present application;

[0097] Figure 2 for Figure 1 A schematic diagram of some components of the cooking appliance shown, showing a cooking container, a wire reel device and a drive device;

[0098] Figure 3 for Figure 2 A schematic bottom view of the components shown;

[0099] Figure 4 for Figure 2 A schematic diagram of a cable drum assembly is shown;

[0100] Figure 5 for Figure 1 A schematic diagram of a portion of the cooking appliance shown, showing a cable tray assembly and a circuit board assembly;

[0101] Figure 6 for Figure 2 An exploded schematic view of the components shown;

[0102] Figure 7 for Figure 1 An exploded schematic diagram of some components of the cooking appliance shown, showing a drive device;

[0103] Figure 8 for Figure 1 A magnified view of part A;

[0104] Fig. 9 is a three-dimensional schematic diagram of a temperature sensor assembly according to a specific embodiment of the present application;

[0105] Fig.10 for Fig. 9A schematic side view of a temperature sensor assembly is shown;

[0106] Fig.11 for Fig. 9 An exploded schematic diagram of a temperature sensor assembly is shown;

[0107] Fig.12 for Fig. 9 A schematic side cross-sectional view of some components of the temperature sensor assembly shown, showing a temperature-sensitive fuse assembly and a first temperature-sensitive signal transmission assembly;

[0108] Fig.13 For along Fig.10 Schematic diagram of the cross section of line BB.

[0109] Description of reference numerals:

[0110] 10: Cover

[0111] 20: Claypot

[0112] 21: Accommodation cavity

[0113] 22: Circuit board assembly

[0114] 24A: First power supply line

[0115] 24B: Second power supply line

[0116] 26: Base

[0117] 27: Power socket

[0118] 30: Cooking Container

[0119] 31: Cooking Space

[0120] 40: Temperature sensing device / temperature sensor assembly

[0121] 40A: Wiring components

[0122] 43: Shell

[0123] 43A: Shell body

[0124] 43B: Temperature sensing cover

[0125] 431: First end

[0126] 432: Second end

[0127] 433: Second blocking part

[0128] 434: First blocking part

[0129] 435: First exposure

[0130] 436: Second exposure

[0131] 437: Mounting cavity

[0132] 4371: Groove

[0133] 4372: Annular groove

[0134] 4373: Installation Department

[0135] 4374: Silicone Grease

[0136] 44: Rotating parts

[0137] 45: Connection structure

[0138] 451: First connector

[0139] 453: First limit stop surface

[0140] 454: Second limit stop surface

[0141] 455: First outer surface

[0142] 456: Second limit stop

[0143] 457: Function slot

[0144] 46: Clutch

[0145] 461: Limiting through hole

[0146] 47: First temperature sensing signal transmission component

[0147] 471: First terminal

[0148] 4711: First connection

[0149] 4712: Third connection

[0150] 472: First bracket

[0151] 4724:Convex ribs

[0152] 473: First through slot

[0153] 48: Second temperature sensing signal transmission component

[0154] 481: Second terminal

[0155] 4811: Second connection

[0156] 4812: Fourth connection

[0157] 4813: Second metal ring

[0158] 4814: Metal Tentacles

[0159] 482: Second bracket

[0160] 483: Second through slot

[0161] 484: Second cable

[0162] 485: Second connecting piece

[0163] 486: Second groove

[0164] 49: Thermal fuse assembly

[0165] 491: Thermistor

[0166] 492: Fuse

[0167] 493: Electronic component terminals

[0168] 50: Drive device

[0169] 51: Drive components

[0170] 52: Magnetic shield

[0171] 53: Ground wire

[0172] 55: Transmission components

[0173] 57: First transmission wheel

[0174] 58: Second transmission wheel

[0175] 58F: Second connector

[0176] 161: Bearing

[0177] 180: Cable reel

[0178] 180P: Cluster

[0179] 182: Coil winding

[0180] 182A: Coiled part

[0181] 182B: terminal end

[0182] 182C: First wiring segment

[0183] 182D: Second wiring segment

[0184] 188A: Cable tray through hole

[0185] 188B: Blocking surface

[0186] 188C: Cylindrical part

[0187] 600: Cooking utensils

[0188] 660: Cable drum device

[0189] 670: Cable drum assembly

[0190] 683: Cable drum support

[0191] P3: Central axis of cooking utensils

[0192] P4: Shell body center axis

[0193] P8: Center axis of the coiling rack

[0194] PA: Center axis of the cable drum assembly DETAILED DESCRIPTION

[0195] In the following description, a large number of specific details are provided to provide a more thorough understanding of the present application. However, it is apparent to those skilled in the art that the present application can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present application, some technical features well known in the art are not described.

[0196] In order to thoroughly understand the present application, a detailed description will be provided in the following description. It should be understood that these embodiments are provided to make the disclosure of the present application thorough and complete, and to fully convey the concepts of these exemplary embodiments to those of ordinary skill in the art. Obviously, the implementation of the embodiments of the present application is not limited to the specific details familiar to those skilled in the art. The preferred embodiments of the present application are described in detail below, but in addition to these detailed descriptions, the present application may also have other embodiments.

[0197] Ordinal numbers such as "first" and "second" cited in this application are merely identifiers and do not have any other meaning, such as a specific order, etc. Moreover, for example, the term "first component" itself does not imply the existence of a "second component", and the term "second component" itself does not imply the existence of a "first component". The use of the words "first", "second", and "third" does not indicate any order, and these words can be interpreted as names.

[0198] It should be noted that the terms "upper", "lower", "front", "back", "left", "right", "inside", "outside" and similar expressions used in this application are for illustrative purposes only and are not limiting.

[0199] The present application provides a temperature sensor assembly for a cooking appliance, a wire reel device having the temperature sensor assembly, and a cooking appliance having the wire reel device.

[0200] Now, exemplary embodiments according to the present application will be described in more detail with reference to the accompanying drawings.

[0201] like Figure 1 As shown, in a specific embodiment, the cooking utensil 600 according to the present application includes a cover 10 and a pot body 20. A heating device and a cooking container 30 (e.g., a pot) are arranged in the pot body 20. The cooking container 30 is used to hold food, and the heating device is used to heat the cooking container 30. The cover 10 is used to cover the pot body 20. When the cover 10 covers the pot body 20, a cooking space 31 is formed between the cover 10 and the cooking container 30. The volume of the cooking container 30 is, for example, 1L to 15L.

[0202] Preferably, the cooking utensil 600 is an electromagnetic heating cooking utensil, and the cooking container 30 includes a ferromagnetic material. Specifically, the pot body 20 has a receiving cavity 21, and the cooking container 30 is removably arranged in the receiving cavity 21. The heating device is composed of, for example, a wire reel device 660 and a circuit board assembly 22. The pot body 20 has a base 26, and the base 26 at least forms the bottom wall of the receiving cavity 21. The wire reel device 660 and the circuit board assembly 22 are, for example, both arranged on the base 26. The circuit board assembly 22 is used to supply power to the wire reel device 660, so that the wire reel device 660 can heat the cooking container 30. The base 26 can also provide the side wall of the receiving cavity 21 at the same time, so that the base 26 is used to enclose the receiving cavity 21.

[0203] like Figures 1 to 6 As shown, the wire reel device 660 also includes a coiled wire 182, which is used to form a resonant inductor of an electromagnetic heating resonant circuit, so as to generate an alternating magnetic field required for electromagnetic heating after power is turned on. The circuit board assembly 22 is used to power the coiled wire 182. The circuit board assembly 22 is provided with, for example, a resonant capacitor used in conjunction with the coiled wire 182, a switch module (for example, a power switch tube IGBT), a control module, a power module, etc. The wire reel device 660 is arranged at the bottom of the accommodating cavity 21, and the cooking container 30 is detachably arranged from the wire reel device 660 in the magnetically inductive area (that is, the electromagnetic heating area) of the wire reel device 260, for example, at least below. The cooking container 30 has a cooking container central axis P3. The cooking container 30 is generally in the shape of a rotating body with the cooking container central axis P3 as the axis.

[0204] The wire reel device 660 includes a wire reel assembly 670, the wire reel assembly 670 includes at least one coiled wire 182, the coiled wire 182 is used to generate an alternating magnetic field after being powered on, the wire reel assembly 670 has a wire reel assembly central axis PA, and the wire reel assembly 670 is configured so that the magnetic field strength of the alternating magnetic field is non-uniformly distributed along the circumferential direction of the wire reel assembly 670. The electromagnetic heating cooking appliance 600 is configured so that the cooking container 30 and the wire reel assembly 670 are detachably arranged at least above the wire reel assembly 270, when the cooking container 30 is located at least above the wire reel assembly 670, the cooking container central axis P3 is substantially coincident with the wire reel assembly central axis PA, and at least a portion of the wire reel assembly 670 is rotatable relative to the cooking container 30 around the wire reel assembly central axis PA. As a convertible embodiment, in a specific implementation, the cooking container 30 can also be selectively made rotatable relative to at least a portion of the wire reel assembly 670 around the cooking container central axis P3. Thus, one of the alternating magnetic fields generated by the cooking container 30 and the wire reel assembly 670 is rotatable relative to the other around the wire reel assembly central axis PA, so that the heated portion of the cooking container 30 rotates on the cooking container 30 along the circumferential direction of the cooking container 30.

[0205] In the present application, two central axes substantially coincide with each other means that the distance between the two central axes is ≤3 mm, and the angle between the two central axes is ≤5°, that is, the two central axes are substantially parallel and close to each other.

[0206] It can be understood that the central axis P3 of the cooking container and the central axis PA of the wire reel assembly both extend in the height direction of the cooking appliance 100 .

[0207] In an embodiment not shown in the present application, the wire reel device 660 is used to be arranged on the side of the cooking container 30 (for example, the wire reel device 660 is configured to include a sleeve that can be sleeved on the outer circumference of the cooking container 30). That is, in the present application, the cooking container 30 and the wire reel device 660 are detachably arranged on one side of the magnetically inductive region of the wire reel device 660 (that is, the coiled wire 182 and / or the magnetic field generated by it are located at least on the lower side or at least on the outer side of the cooking container 30), and the central axis P3 of the cooking container is substantially coincident with the central axis PA of the wire reel assembly.

[0208] As some preferred embodiments of the present application, Figures 3 to 5As shown, the wire drum assembly 670 includes a plurality of coiled wires 182, and the plurality of coiled wires 182 are arranged at intervals along the circumferential direction of the wire drum assembly 670, so that all the coiled wires 182 do not fill the annular area with the central axis PA of the wire drum assembly as the axis. Alternatively, the wire drum assembly 670 includes only one coiled wire 182, and the winding center of the coiled wire 182 deviates from the central axis PA of the wire drum assembly. The coiled wire 182 is not concentric with the wire drum assembly 670. Thus, along the circumferential direction of the wire drum assembly 670, the magnetic field line density is large and the magnetic field strength is strong in the area where the coiled wire 182 is distributed, and the magnetic field line density is small and the magnetic field strength is weak in the area where the coiled wire 182 is not distributed. That is, the non-uniform distribution of its magnetic field strength is achieved by making the coiled wire 182 non-uniformly distributed along the circumference of the wire drum assembly 670.

[0209] The gap between two adjacent disc windings 182 cannot be too small, otherwise electromagnetic self-interference will occur, resulting in undesirable phenomena such as high reverse pressure, low inductance, low heating power, large storage current, and messy heating waveform.

[0210] The driving device 50 disposed on the base 26 is used to drive one of the alternating magnetic fields generated by the cooking container 30 and the wire reel assembly 670 to rotate relative to the other around the central axis PA of the wire reel assembly. In the illustrated embodiment, the cooking appliance 600 is configured so that the cooking container 30 is rotatable relative to the wire reel assembly 670 around the central axis P3 of the cooking container. That is, the driving device 50 is used to drive the cooking container 30 to rotate relative to the wire reel assembly 670 around the central axis PA of the wire reel assembly.

[0211] It should be noted that in the present application, the number of the coiled wires 182 included in the wire reel assembly 670 is not specifically limited. In a specific implementation, the number of the coiled wires 182 included in the wire reel assembly 670 can be selectively one, two, three, four, five, six, seven, eight, nine or more than ten. Figures 3 to 6 As shown, it is preferred that the number of the disc-shaped windings 182 is three, and the three disc-shaped windings 182 are spaced apart along the circumferential direction of the wire drum assembly 670 . It is further preferred that the three disc-shaped windings 182 are equally spaced apart along the circumferential direction of the wire drum assembly 670 .

[0212] In the present application, the wire reel assembly 670 is constructed so that the alternating magnetic field has N strong magnetic regions and N weak magnetic regions that are alternately distributed along the circumferential direction of the wire reel assembly 670, wherein the magnetic field strength of the strong magnetic region is greater than the magnetic field strength of the weak magnetic region. In the illustrated embodiment, the portion of the wire reel assembly 670 corresponding to the arrangement of the disc-shaped winding 182 is a strong magnetic region, and the portion corresponding to the gap between the two disc-shaped windings 182 is a weak magnetic region. The N strong magnetic regions are evenly spaced along the circumferential direction of the wire reel assembly 670, and the N weak magnetic regions are evenly spaced along the circumferential direction of the wire reel assembly 670. The electromagnetic heating cooking utensil 600 is constructed so that when the cooking container 30 is located at least above the wire reel assembly 670, at least a portion of the wire reel assembly 670 and one of the cooking container 30 can rotate relative to the other by ±180 / N degrees. It can be understood that when the wire reel assembly 670 rotates ±180 / N degrees relative to the cooking container 30, the strong magnetic area covers the entire cooking container 30, that is, the cooking container 30 is evenly heated. Of course, the wire reel assembly 670 can be rotated at a larger angle relative to the cooking container 30 (preferably an angle that is an integer multiple of ±180 / N degrees, and there is no upper limit to the rotation angle), but it needs to be rotated at least ±180 / N degrees to ensure that the cooking container 30 is evenly heated.

[0213] It should be noted that N is any integer greater than or equal to 1; in a specific implementation, N can be any value of 1, 2, 3, 4, 5, 6, 7, 8, 9, 10. It should be further noted that N is not limited to the values ​​listed above, and can also be any value greater than 10. In a specific implementation, N can also be 11, 12, 13, etc. In the illustrated embodiment, the wire drum assembly 670 is constructed so that the alternating magnetic field has three strong magnetic regions and three weak magnetic regions that are alternately distributed along the circumferential direction of the wire drum assembly 670.

[0214] According to the present application, by making the wire reel assembly 670 include at least one coiled wire 182, and by making the cooking container 30 rotatable relative to the wire reel assembly 670, the effect of rotating heating of the electromagnetic heating cooking utensil 600 heat source can be achieved, and at the same time, the complex and changeable convection tumbling form and tumbling effect inside the cooking container 30 can be achieved, so that the food is heated more evenly, so as to achieve a better cooking effect, thereby improving the user experience. In particular, when the wire reel assembly 670 includes multiple coiled wires 182, the effect of rotating heating of multiple heat sources of the electromagnetic heating cooking utensil 600 heat source can be achieved, so that the food is heated more evenly and a better cooking effect is achieved.

[0215] As some preferred embodiments of the present application, the electromagnetic heating cooking device 600 is configured such that when the cooking container 30 is placed at least above the wire reel assembly 670, the distance between the coiled wire 182 and the cooking container 30 is any value between 3 mm and 30 mm. In a specific implementation, the distance between the coiled wire 182 and the cooking container 30 is preferably between 6 mm and 10 mm.

[0216] According to the present application, the distance between the disc winding 182 and the cooking container 30 is set between 3 mm and 30 mm to solve the problems of the magnetic field generated by the disc winding 182 covering a small area of ​​the cooking container 30 and insufficient firepower due to the distance being too large; at the same time, it can also solve the problems of high heat generation and increased energy consumption of the disc winding 182 due to the distance between the disc winding 182 and the cooking container 30 being too small.

[0217] like Figure 1 and Figure 5 As shown, the cable drum assembly 670 includes a cable drum frame 180, at least one cable drum support 683, and at least one cable drum 182. The cable drum frame 180 is preferably configured in a disc shape. The cable drum frame 180 has a cable drum frame central axis P8, which is also the cable drum assembly central axis PA. The cable drum supports 683 are arranged at intervals along the circumferential direction of the cable drum frame 180. The cable drum 182 is wound on the cable drum support 683, so that the cable drum 182 is arranged at intervals along the circumferential direction of the cable drum frame 180. The winding center of the cable drum 182 is set on the axis of the cable drum support 683, and the axis of the cable drum support 683 deviates from the cable drum frame central axis P8, so that the cable drum 182 is not concentric with the cable drum frame 180. In a specific implementation, a plurality of cable drum supports 683 can be further arranged at equal intervals on the cable drum frame 180 along the circumferential direction of the cable drum frame 180. A magnetic conductive member may also be provided on the wire coil support 683 to further focus (gather) the magnetic lines of force of the magnetic field of the disk-shaped winding 182 .

[0218] like Figure 4 and Figure 5 As shown, the coiled wire 182 is formed by, for example, coiling an enameled wire 189. The enameled wire 189 includes a coiled portion 182A and two end portions 182B. The coiled portion 182A is coiled around the center of the winding to form an effective resonant inductance of the electromagnetic heating resonant circuit. The end portion 182B is a portion of the enameled wire 189 that is not used to form an effective resonant inductance, and the coiled portion 182A is located between the two end portions 182B. At least part of the plurality of coiled wires 182 is connected in series, that is, is formed by coiling the same enameled wire 189; or, the plurality of coiled wires 182 do not share the same wire (enameled wire), that is, each coiled wire is coiled by its own enameled wire 189. Preferably, the coil rack 180 is provided with a bunching member 180P for gathering all the end portions 182B.

[0219] Preferably, the axial cross section of the wire coiling rack 180 is a C-shaped structure. The wire coiling rack 180 has a radially symmetrical structure with the central axis P8 of the wire coiling rack as the axis. The coiled wire 182 is, for example, arranged on the outside of the C-shaped structure, and the cooking container 30 is, for example, located on the inside of the C-shaped structure, so as to facilitate the connection between the enameled wire 189 and the circuit board assembly 22.

[0220] For example, the two end portions 182B of the enameled wire 189 continue to extend to form a first wiring segment 182C and a second wiring segment 182D. The circuit board assembly 22 also includes a first power supply line 24A and a second power supply line 24B. The first power supply line 24A and the second power supply line 24B are wiring conductors extending from the printed circuit board of the circuit board assembly 22. The first power supply line 24A is connected to the first wiring segment 182C, and the second power supply line 24B is connected to the second wiring segment 182D, thereby connecting the coiled wire 182 to the circuit board assembly 22.

[0221] The first power supply line 24A and the second power supply line 24B can be a single-strand conductor or a multi-strand conductor. Specifically, the number of conductor strands is consistent with the number of the first enameled wire 189. That is, when the wire reel assembly 670 includes M first enameled wires 189, the first power supply line 24A includes M strands of conductors, and the second power supply line 24B includes M strands of conductors. For example, the wire reel assembly 670 includes one first enameled wire 189, and the three coiled windings 182 are all coiled by the first enameled wire 189, and the first power supply line 24A and the second power supply line 24B each include only one strand of conductor. Alternatively, the wire reel assembly 670 includes three first enameled wires 189, each of which is coiled into a coiled winding 182, and the first power supply line 24A and the second power supply line 24B each include three strands of conductors.

[0222] like Figure 1As shown, the wire reel device 660 includes a temperature sensor assembly 40, and the temperature sensor assembly 40 is used to contact the bottom surface of the cooking container 30. That is, the temperature sensor assembly 40 is arranged below the cooking container 30, and senses the temperature of the cooking container 30 by contacting the bottom surface of the cooking container 30. In the present application, the temperature sensor assembly 40 is also referred to as a temperature sensing device 40. In the present application, the wire reel device 660 is configured so that the wire reel rack 180 is connected to the cavity wall of the accommodating cavity (for example, the outer peripheral edge of the wire reel rack 180 is connected to the side wall of the accommodating cavity 21), so that at least part of the temperature sensor assembly 40 can rotate relative to the wire reel rack 180 around the central axis P8 of the wire reel rack, so as to drive the cooking container 30 to rotate synchronously relative to the wire reel rack 180 around the central axis P8 of the wire reel rack. The driving device 50 is connected to the temperature sensor assembly 40, and is used to drive at least a portion of the temperature sensor assembly 40 to rotate around the central axis P8 of the coil rack relative to the coil rack 180 (i.e., the pot body 20), thereby driving the cooking container 30 to rotate synchronously around the central axis P8 of the coil rack relative to the coil rack 180.

[0223] like Figure 1 , Figure 2 , Figure 6 and Figure 7 As shown, the driving device 50 can selectively include a driving assembly 51 and a transmission assembly 55. The driving assembly 51 is used to provide a driving force for rotating at least a portion of the temperature sensor assembly 40 relative to the wire coiling frame 180, and the transmission assembly 55 is connected between the driving assembly 51 and the temperature sensor assembly 40 to transmit the driving force to the temperature sensor assembly 40. That is, the driving assembly 51 is connected to the temperature sensor assembly 40 via the transmission assembly 55 so that at least a portion of the temperature sensor assembly 40 can rotate relative to the wire coiling frame 180 around the central axis PA of the wire coil assembly under the drive of the driving assembly 51.

[0224] The driving assembly 51 is configured as a motor, for example. The motor 51 is, for example, a stepping motor, so as to provide power for the forward and reverse rotation of the temperature sensor assembly 40. The motor 51 is electrically connected to the control module of the circuit board assembly 22 to work under the control of the control module. The control module can realize the forward and reverse rotation and intermittent rotation of the temperature sensor assembly 40 by controlling the motor 51, and the speed and stroke are adjustable. The speed value range of the temperature sensor assembly 40 is, for example, 1r / min to 350r / min, preferably 4r / min to 6r / min.

[0225] The transmission assembly 55 includes, for example, a first transmission wheel 57 and a second transmission wheel 58, wherein the first transmission wheel 57 and the second transmission wheel 58 are both configured as meshing transmission gears. The first transmission wheel 57 is further connected to the motor shaft 59 (motor output shaft) of the motor 51, and the second transmission wheel 58 is connected to the temperature sensor assembly 40. When the motor 51 is powered, the motor 51 can drive at least part of the temperature sensor assembly 40 to rotate through the first transmission wheel 57 and the second transmission wheel 58, and finally the cooking container 30 rotates.

[0226] It should be noted that the first transmission wheel 57 and the second transmission wheel 58 can be selectively configured as one of a gear, a roller, a sprocket, a pulley, a friction wheel, etc. Preferably, both the first transmission wheel 57 and the second transmission wheel 58 are configured as gears.

[0227] As some preferred embodiments of the present application, Figure 1 and Figure 7 As shown, the electromagnetic heating cooking appliance 600 further includes a magnetic shield 52, which is made of metal material and is used to cover at least part of the driving device 50 (for example, the motor 51) to shield the magnetic field generated by the disc winding 182. For example, the motor 51 is mounted on the base 26 of the pot body 20 by two bolts 54, and the magnetic shield 52 can be simultaneously mounted to the base 26 by the two bolts 54, so that the housing of the motor 51 contacts the magnetic shield 52. The magnetic shield 52 has a through hole 56 for the motor shaft 59 to pass through.

[0228] As some preferred embodiments of the present application, the electromagnetic heating cooking appliance 600 further includes a grounding wire 53, one end of which is connected to the outer shell of the magnetic shield 52 and / or the motor 51 (for example, fixed to the magnetic shield 52 by bolts 54), and the other end of the grounding wire 53 is connected to the grounding terminal of the electromagnetic heating cooking appliance 600, for example, the grounding terminal on the circuit board assembly 22 or the grounding terminal on the power socket 27. Under the action of the grounding wire 53, the outer shell of the motor 51 and the magnetic shield 52 are grounded together, which can also effectively improve the magnetic shielding effect of the magnetic shield 52.

[0229] In order to achieve a better magnetic isolation effect, the motor shaft 59 can be further selectively made of non-metallic materials. Of course, the motor shaft 59 can also be made of metal materials. In addition, the transmission assembly 55 (first transmission wheel 57, second transmission wheel 58, etc.) included in the drive device 50 can also be made of non-metallic materials.

[0230] The structure of the temperature sensor assembly 40 is described in detail below.

[0231] like Figures 8 to 11As shown, in the assembled state, the temperature sensor assembly 40 includes a first end 431 and a second end 432 which are arranged in opposite directions along the axial direction of the wire coiling rack 180, wherein the first end 431 is used to contact the bottom surface of the cooking container 30, and the second end 432 is provided with a wire outlet to lead out the cable of the temperature sensor assembly 40. The axial direction of the temperature sensor assembly 40 is also the axial direction of the wire coiling rack 180, and the radial direction of the temperature sensor assembly 40 is also the radial direction of the wire coiling rack 180.

[0232] Specifically, the temperature sensor assembly 40 includes a housing 43 , a temperature-sensitive fuse assembly 49 , and a wiring assembly 40A.

[0233] The outer shell 43 includes a shell body 43A and a temperature sensing cover 43B. The shell body 43A is generally constructed as a rotating body structure, such as a cylindrical shape, and has a shell body central axis P4. The shell body central axis P4 can also be considered as the central axis of the temperature sensor assembly 40. An installation cavity 437 is formed in the shell body 43A. The shell body 43A is provided with a first opening 435 and a second opening 436 at both ends along its own axial direction, and the first opening 435 and the second opening 436 are both connected to the installation cavity 437. The temperature sensing cover 43B covers the first opening 435 and is used to contact the object to be measured (such as the cooking container 30).

[0234] The temperature-sensitive fuse assembly 49 includes at least one electronic component, for example, a thermistor 491. Each electronic component has two electronic component terminals 493. The temperature-sensitive fuse assembly 49 is arranged in the installation cavity 437 and close to the first opening 435, so that the temperature-sensitive fuse assembly 49 contacts the temperature-sensitive cover 43B or is close to the temperature-sensitive cover 43B. Therefore, when the cooking container 30 contacts the temperature-sensitive cover 43B, the thermistor 491 can sense the temperature of the cooking container 30 through the heat conduction of the temperature-sensitive cover 43B.

[0235] The wiring assembly 40A is disposed in the installation cavity 437, and the wiring assembly 40A includes at least two second cables 484, which are disposed corresponding to the electronic component terminals 493 and connected to the corresponding electronic component terminals 493. The second cables 484 are exposed from the second opening 436, so that the second cables 484 can be connected to the control module of the circuit board assembly 22 to transmit the temperature value sensed by the temperature sensor assembly 40 to the control module. The portions of the plurality of second cables 484 located outside the installation cavity 437 are integrated into a bundle, for example, to facilitate routing in the accommodating cavity 21.

[0236] Among them, the temperature sensor assembly 40 is constructed so that the temperature-sensitive fuse assembly 49 maintains a constant position relative to the shell body 43A (i.e., the outer shell 43), and the second cable 484 is rotatable relative to the shell body 43A around the central axis P4 of the shell body 43A, and during the process of the second cable 484 rotating relative to the shell body 43A around the central axis P4 of the shell body, the second cable 484 always maintains electrical conduction with the corresponding electronic component terminal 493.

[0237] Furthermore, the cooking appliance 600 is constructed such that the central axis P4 of the shell body coincides or substantially coincides with the central axis PA of the cable reel assembly, so that the shell body 43A rotates relative to the cable reel rack 180 under the drive of the driving device 50, and the shell body 43A drives the cooking container 30 to rotate synchronously. It can be understood that the first opening 435 and the temperature sensing cover 43B are located at the first end 431, the second opening 436 is located at the second end 432, the second cable 484 is also the cable of the temperature sensor assembly 40, and the second opening 436 is also the outlet for leading out the cable.

[0238] Preferably, the temperature-sensitive fuse assembly 49 further includes a fuse 492. The fuse 492 also contacts or is close to the temperature-sensitive cover 43B. When the temperature of the cooking container 30 is too high, the fuse 492 melts, thereby avoiding safety problems.

[0239] like Figure 8 and Fig.11 As shown, a mounting portion 4373 is provided in the mounting cavity 437, and the mounting portion 4373 is arranged corresponding to the electronic components of the temperature-sensitive fuse assembly 49, and is used to carry the corresponding electronic components. The mounting portion 4373 is connected to the side wall of the mounting cavity 437. The mounting portion 4373 is provided with an opening for the electronic component terminal 493 to pass through, or a gap is left between the mounting portion 4373 and the side wall of the mounting cavity 437 for the electronic component terminal 493 to pass through. For example, the mounting portion 4373 is configured as a support groove, so that the temperature-sensitive fuse assembly 49 is clamped between the support groove and the temperature-sensitive cover 43B. The thermistor 491 and the fuse 492 are generally cylindrical and have a small contact area with the support groove. Therefore, preferably, silicone grease 4374 is filled between the temperature-sensitive fuse assembly 49 and the temperature-sensitive cover 43B, so that the position of each electronic component is stable and does not affect the thermal conductivity.

[0240] Preferably, the wiring assembly 40A further includes at least two first wiring terminals 471, the first wiring terminals 471 are arranged corresponding to the electronic component wiring terminals 493, and the first wiring terminals 471 are also arranged corresponding to the second cables 484. The first wiring terminals 471 are connected between the corresponding electronic component wiring terminals 493 and the second cables 484, so that the corresponding second cables 484 are electrically connected to the electronic component wiring terminals 493. The temperature sensor assembly 40 is configured so that the first wiring terminals 471 remain in a constant position relative to the shell body 43A, and the second cables 484 always remain electrically connected to the corresponding first wiring terminals 471 during the process of the second cables 484 rotating relative to the shell body 43A around the shell body central axis P4.

[0241] Preferably, the wiring assembly 40A further includes a second wiring terminal 481, and the second wiring terminal 481 is arranged corresponding to the first wiring terminal 471, and therefore, the second wiring terminal 481 is also arranged corresponding to the second cable 484. The second wiring terminal 481 is connected between the corresponding first wiring terminal 471 and the second cable 484, so that the corresponding second cable 484 is electrically connected to the first wiring terminal 471. The temperature sensor assembly 40 is configured so that the second wiring terminal 481 and the second cable 484 can rotate synchronously with respect to the shell body 43A around the shell body center axis P4, and in the process of the second cable 484 rotating relative to the shell body 43A around the shell body center axis P4, the second wiring terminal 481 and the corresponding first wiring terminal 471 always maintain electrical connection.

[0242] Specifically, Fig.11 As shown, the first terminal 471 has a first connection portion 4711 for connecting to the second terminal 481, and the second terminal 481 has a second connection portion 4811 for connecting to the first terminal 471. At least a portion of one of the first connection portion 4711 and the second connection portion 4811 is configured as at least a portion of a first metal ring, wherein the axis of the first metal ring is the central axis P4 of the shell body. The other of the first connection portion 4711 and the second connection portion 4811 includes at least one metal contact arm 4814. The temperature sensor assembly 40 is configured such that the metal contact arm 4814 contacts at least a portion of the first metal ring, and the metal contact arm 4814 is rotatable relative to the shell body 43A around the central axis P4 of the shell body. Thus, the revolution axis of the metal contact arm 4814 coincides with the axis of the first metal ring. Therefore, during the rotation of the metal contact arm 4814, it can always contact at least a portion of the first metal ring, that is, the first terminal 471 and the second terminal 481 always remain conductive.

[0243] Further, in order to make the metal contact arm 4814 well connected with the first metal ring, the other of the first connection part 4711 and the second connection part 4811 further includes at least a part of the second metal ring 4813, and at least one metal contact arm 4814 is arranged on the second metal ring 4813 along the circumferential direction of the second metal ring at intervals. The axis of the second metal ring 4813 is the central axis P4 of the shell body, and the second metal ring 4813 is rotatable relative to the shell body 43A around the central axis P4 of the shell body. Thus, the second metal ring 4813 can support the metal contact arm 4814, so that the metal contact arm 4814 is arranged along the circumference to make good contact with the first metal ring.

[0244] In the illustrated embodiment, the first connection portion 4711 is configured as a first metal ring, and the second connection portion 4811 includes at least a portion of a second metal ring 4813 and metal contact arms 4814 (eg, two metal contact arms 4814 are provided corresponding to each first metal ring 4711 ).

[0245] The temperature sensor assembly 40 has a plurality of electronic component terminals 493, that is, a plurality of first metal rings and a plurality of first metal contact arms 4814. Preferably, at least a portion of all first metal rings 4711 are spaced from inside to outside along the radial direction of the shell body 43A, so that the plurality of first metal rings 4711 do not affect each other. Further preferably, all first metal rings 4711 are spaced from inside to outside along the radial direction of the shell body 43A. Even further preferably, all first metal rings 4711 are equally spaced from inside to outside along the radial direction of the shell body 43A.

[0246] Preferably, the wiring assembly 40A further includes a first temperature sensing signal transmission assembly 47, which includes a first bracket 472 and a first wiring terminal 471. The first bracket 472 is disposed in the mounting cavity 437 and connected to the side wall of the mounting cavity 437, so that the first bracket 472 cannot rotate relative to the shell body 43A. The first wiring terminal 471 is disposed in the first bracket 472.

[0247] For example, Fig.11 As shown, the first bracket 472 is generally in the shape of a circular plate. The first bracket 472 is provided with at least two first through slots 473, and the first through slots 473 are provided corresponding to the first wiring terminals 471. Fig.12As shown, the first terminal 471 extends through the corresponding first through slot 473, so that a portion of the first terminal 471 is located on the side of the first bracket 472 facing the first opening 435, and the other portion is located on the side of the first bracket 472 facing the second opening 436. The portion of the first terminal 471 located on the side of the first bracket 472 facing the second opening 436 is the first connecting portion 4711, and the portion of the first terminal 471 located on the side of the first bracket 472 facing the first opening 435 is used to connect the electronic component terminal 493.

[0248] The first terminal 471 is composed of a first connection portion 4711 and a third connection portion 4712. The third connection portion 4712 is arranged on the first metal ring 4711, and can be integrated with the first metal ring, for example (for example, the third connection portion 4712 and the first metal ring 4711 are made of the same piece of metal). The portion of the first terminal 471 located on the side of the first bracket 472 facing the first opening 435 is, for example, a part of the third connection portion 4712. In the illustrated embodiment, the third connection portion 4712 is used to extend from bottom to top through the first through groove 473. The third connection portion 4712 and the first through groove 473 can be, for example, an interference fit. The third connection portion 4712 and the electronic component terminal 493 can be connected by welding, for example.

[0249] like Fig.13 As shown, one of the first bracket 472 and the side wall of the installation cavity 437 is provided with a convex rib 4724, and the other of the first bracket 472 and the side wall of the installation cavity 437 is provided with a groove 4371, and the groove 4371 is used to accommodate the convex rib 4724. The groove 4371 extends along the axial direction of the shell body 43A so that the first bracket 472 cannot rotate relative to the shell body 43A. In the illustrated embodiment, the first bracket 472 is provided with a convex rib 4724, and the side wall of the installation cavity 437 is provided with a groove 4371.

[0250] The side wall of the installation cavity 437 may also be provided with at least one first support protrusion (not shown) extending toward the middle of the installation cavity 437, and the first support protrusion is used to contact the side of the first bracket 472 facing the second opening 436, so that the first support protrusion can support the first temperature sensing signal transmission component 47. The first bracket 472 is made of plastic and resin materials, for example, and is inserted into the installation cavity 437 from the second opening 436 during installation, and can use its own elastic deformation performance to pass over the first support protrusion to reach a predetermined installation position.

[0251] Preferably, the wiring assembly 40A further includes a second temperature sensing signal transmission assembly 48, which includes a second bracket 482, a second wiring terminal 481, and a second cable 484. The second bracket 482 is disposed in the installation cavity 437 and connected to the side wall of the installation cavity 437, and the second bracket 482 is located between the first bracket 472 and the second opening 436, and the second bracket 482 is rotatable relative to the shell body 43A around the shell body center axis P4. The second wiring terminal 481 is disposed in the second bracket 482. The second cable 484 is connected to the second wiring terminal 481, so that the second temperature sensing signal transmission assembly 48 is rotatable relative to the shell body 43A around the shell body center axis P4.

[0252] For example, Fig.11 As shown, the second bracket 482 is generally in the shape of a circular plate. The second bracket 482 is provided with at least two second through slots 483, and the second through slots 483 are provided corresponding to the second wiring terminal 481. The second wiring terminal 481 extends through the corresponding second through slots 483, so that a part of the second wiring terminal 481 is located on the side of the second bracket 482 facing the first opening 435, and another part of the second wiring terminal 481 is located on the side of the second bracket 482 facing the second opening 436. Among them, the part of the second wiring terminal 481 located on the side of the second bracket 482 facing the first opening 435 is the second connecting portion 4811, and the part of the second wiring terminal 481 located on the side of the second bracket 482 facing the second opening 436 is used to connect the second cable 484.

[0253] The second terminal 481 is composed of a second connection part 4811 and a fourth connection part 4812. The second connection part includes a metal contact arm 4814 and at least a part of a second metal ring 4813. The metal contact arm 4814 and the fourth connection part 4812 are respectively arranged on both sides of the second metal ring 4813. The metal contact arm 4814, the second metal ring 4813 and the fourth connection part 4812 are formed as a whole, for example, made of the same piece of metal. The part of the second terminal 481 located on the side of the second bracket 482 facing the second opening 436 is, for example, a part of the fourth connection part 4812. The fourth connection part 4812 extends from top to bottom through the second through groove 483. The fourth connection part 4812 and the second through groove 483 can be, for example, interference fit. The fourth connection part 4812 of the second terminal 481 and the second cable 484 can be connected by welding, for example.

[0254] Preferably, a second groove 486 is provided on one side of the second bracket 482 facing the first opening 435. The second groove 486 is provided corresponding to the second through groove 483 and communicates with the corresponding second through groove 483. The second groove is used to accommodate a part of the second connecting portion 4811. For example, the second groove 486 is configured as an arc groove, which is used to accommodate the second metal ring 4813, so that the second bracket 482 can stably support the second terminal 481. Preferably, two second grooves 486 are provided corresponding to one second through groove 483, and the two second grooves 486 are respectively located on both sides of the second through groove 483.

[0255] like Figure 8 As shown, the side wall of the installation cavity 437 is provided with an annular groove 4372 with the central axis P4 of the shell body as the axis, and the annular groove 4372 is used to accommodate the outer periphery of the second bracket 482, so that the second bracket 482 can rotate in the annular groove 4372, and can also rotate relative to the shell body 43A. It can be understood that the annular groove 4372 also plays a role in supporting the second temperature sensing signal transmission component 48. The second bracket 482 is made of plastic and resin materials, for example, and is inserted into the installation cavity 437 from the second opening 436 during installation, and can enter the annular groove 4372 by using its own elastic deformation performance.

[0256] The electronic component terminal 493 is constructed as a flexible conductive wire, for example. During assembly, the electronic component terminal 493 is left with sufficient length, and is first welded to the first terminal 471 outside the installation cavity 437, and then the first temperature sensing signal transmission component 47 and the second temperature sensing signal transmission component 48 are sequentially installed into the installation cavity 437 from the second opening 436. After assembly, the electronic component terminal 493 is coiled in the installation cavity 437 by its own flexibility.

[0257] like Figure 8 , Fig.10 and Fig.11 As shown, a second connection member 485 is provided on one side of the second bracket 482 facing the second opening 436, and the second connection member 485 is used to connect the base 26 of the cooking utensil 600. The second connection member 485 is, for example, configured as a plug board, and the base 26 is provided with a slot for accommodating the plug board. When the temperature sensor assembly 40 is mounted on the cooking utensil 600, the second connection member 485 makes the second temperature sensing signal transmission assembly 48 non-rotatable relative to the base 26 and the pot body 20, but since the second temperature sensing signal transmission assembly 48 is rotatable relative to the first temperature sensing signal transmission assembly 47 and the housing 43, the first temperature sensing signal transmission assembly 47 and the housing 43 of the temperature sensor assembly 40 are rotatable relative to the base 26 and the pot body 20, and then the housing 43 can drive the cooking container 30 to rotate relative to the base 26 and the pot body 20.

[0258] In summary, if Fig.11As shown, in the present application, the housing 43, the temperature-sensing fuse assembly 49 and the first temperature-sensing signal transmission assembly 47 of the temperature-sensing device 40 form a rotating component 44 of the temperature-sensing device 40. The first temperature-sensing signal transmission assembly 47 is accommodated in the housing 43 (specifically, the housing body 43A) and is electrically connected to the second temperature-sensing signal transmission assembly. The rotating component 44 can be driven to rotate relative to the second temperature-sensing signal transmission assembly 48 around the central axis P4 of the housing body. Specifically, the temperature-sensing fuse assembly 49 and the first temperature-sensing signal transmission assembly 47 are both fixed relative to the housing 43, and the housing 43 can be driven to rotate relative to the second temperature-sensing signal transmission assembly 48 around the central axis P4 of the housing body, and the temperature-sensing fuse assembly 49 and the first temperature-sensing signal transmission assembly 47 are driven by the housing 43 and can rotate relative to the second temperature-sensing signal transmission assembly 48 around the central axis P4 of the housing body.

[0259] like Figure 8 As shown, the wire reel device 660 of the cooking utensil 600 further includes a clutch 46, which is used to be detachably connected to the bottom surface of the cooking container 30. When the cooking container 30 is placed in the accommodating chamber 21, the clutch 46 contacts the bottom of the cooking container 30. The clutch 46 is connected to the outer shell 43, for example, it is arranged at the first end 431 of the outer shell 43, for example, it is sleeved on the outer periphery of the temperature sensing cover 43B, so that the clutch 46 and the outer shell 43 can rotate synchronously relative to the pot body 20 around the central axis P4 of the shell body. For example, the cooking container 30 includes a ferromagnetic material, and the clutch 46 is configured to have magnetism, so that the two are connected by magnetic attraction; and / or, the clutch 46 is configured to be engaged with the bottom surface of the cooking container 30.

[0260] like Figure 6 As shown, the clutch member 46 is provided with a limiting through hole 461, for example, and the first end 431 of the housing 43 passes through the limiting through hole 461, so that the clutch member 46 is sleeved on the first end 431. Figure 8 , Fig. 9 and Fig.11 As shown, the housing 43 of the temperature sensor assembly 40 further includes a second blocking portion 434 extending outwardly in the radial direction for contacting a side of the clutch member 46 facing the second end 432 of the housing 43. Thus, the clutch member 46 can have a stable axial position.

[0261] The structure of the cable drum device 660 is described below.

[0262] As described above, the wire drum device 660 includes the temperature sensor assembly 40 and the wire drum assembly 670. The wire drum assembly 670 includes a wire drum frame 180, and a coiled wire 182 is disposed on the wire drum frame 180. For example, the coiled wire 182 is disposed on one side of the wire drum frame 180 facing the second end 432. The central axis P8 of the wire drum frame is also the central axis PA of the wire drum assembly, the axial direction of the wire drum frame 180 is also the axial direction of the wire drum assembly 670, the radial direction of the wire drum frame 180 is also the radial direction of the wire drum assembly 670, and the circumferential direction of the wire drum frame 180 is also the circumferential direction of the wire drum assembly 670.

[0263] In the present application, the driving device 50 is used to drive the housing 43 to rotate relative to the cable drum 180 around the central axis P4 of the housing body.

[0264] like Figure 6 As shown, a wire coil through hole 188A is provided in the central portion of the wire coil rack 180, and the wire coil through hole 188A extends in the axial direction of the wire coil rack 180. The temperature sensor assembly 40 is adapted to the wire coil through hole 188A, so that at least a portion of the temperature sensor assembly 40 can rotate relative to the wire coil rack 180 around the central axis 8 of the wire coil rack.

[0265] For example, the temperature sensor assembly 40 is arranged in the wire coil through hole 188A. That is, the wire coil rack 180 is sleeved on the outer periphery of the shell body 43A. The side wall of the wire coil through hole 188A is connected to the outer peripheral surface of the temperature sensor assembly 40 (that is, the side wall of the installation cavity 437) through the rotary substructure 161. Among them, the axis of the rotary substructure 161 coincides or substantially coincides with the central axis P8 of the wire coil rack. The rotary substructure 161 can be selectively configured as a rolling bearing, so that the inner ring of the rolling bearing 161 is tightly matched with the outer peripheral surface of the shell 43, and the outer ring of the rolling bearing 161 is tightly matched with the inner peripheral surface of the wire coil through hole 188A. As a convertible embodiment, the rotary substructure 161 can also be selectively configured as a sliding sleeve (not shown in the figure). In order to prevent electromagnetic interference, the rotary substructure 161 is further selectively made of non-metallic material.

[0266] For example, a cylindrical portion 188C is provided at the central portion of the wire coil rack 180 (see Figure 5 and Figure 8 ), a wire tray through hole 188A is formed inside the cylindrical portion 188C. The first end 431 and the second end 432 of the housing 43 pass through the wire tray through hole 188A from both ends of the cylindrical portion 188C.

[0267] The inner circumferential surface of the wire coil through hole 188A is provided with a blocking surface 188B extending in the radial direction of the wire coil through hole 188A toward the temperature sensor assembly 40. The housing 43 of the temperature sensor assembly 40 further includes a first blocking portion 433 extending outward in the radial direction. The wire coil device 660 is configured such that the swivel auxiliary structure 161 is limited between the blocking surface 188B and the first blocking portion 433 along the axial direction of the wire coil frame 180. Thus, the swivel auxiliary structure 161 has a stable axial position.

[0268] like Fig. 9 As shown, the outer peripheral surface of the shell body 43A of the outer shell 43 of the temperature sensor assembly 40 is provided with a connecting structure 45 for connecting to the driving device 50, so that the temperature sensor assembly 40 can rotate relative to the wire coil rack 180 around the central axis P8 of the wire coil rack under the drive of the driving device 50, wherein the connecting structure 45 is arranged on the side of the first blocking portion 433 facing the second end portion 432.

[0269] As mentioned above, the driving device 50 includes a second transmission wheel 58, which is an annular structure and is used to be sleeved on the outer peripheral surface of the temperature sensor assembly 40, specifically, the outer peripheral surface of the shell body 43A of the housing 43. The connecting structure 45 is used to connect the second transmission wheel 58.

[0270] Specifically, the connecting structure 45 includes a first limit stop surface 453, which extends outward from the outer peripheral surface of the temperature sensor assembly 40 along the radial direction of the temperature sensor assembly 40 and toward the second end 432, and is used to limit the movement of the transmission wheel 58 along the axial direction of the temperature sensor assembly 40 toward the wire coil rack 180.

[0271] like Figure 7 As shown, at least one second connecting body 58F is provided on the inner circumferential surface of the second transmission wheel 58, and the connection structure 45 also includes at least one first connecting body 451, and the first connecting body 451 is used to be arranged corresponding to the second connecting body 58F and connected to the second connecting body 58F. The first connecting body 451 is closer to the second end 432 than the first limit stop surface 453. When the second transmission wheel 58 is installed to the set position, the first connecting body 451 is engaged with the second connecting body 58F to limit the rotation of the second transmission wheel 58 relative to the connection structure 45. In the illustrated embodiment, the connection structure 45 includes a plurality of first connecting bodies 451, and the plurality of first connecting bodies 451 are arranged at intervals along the circumference of the temperature sensor assembly 40, for example, at equal intervals.

[0272] Preferably, the second connecting body 58F is a limiting groove arranged on the inner circumferential surface of the second transmission wheel 58, and the limiting groove extends along the axial direction of the second transmission wheel 58. The first connecting body 451 is a convex rib arranged on the outer circumferential surface of the temperature sensor assembly 40, and the limiting groove of the second connecting body 58F is used to accommodate the convex rib of the first connecting body 451.

[0273] The connection structure 45 further includes at least one second limit stopper 456, which is disposed on the outer peripheral surface of the shell body 43A of the shell 43 of the temperature sensor assembly 40. The second limit stopper 456 includes a second limit stopper surface 454 on the side facing the first end 431, and the second limit stopper surface 454 extends outward from the outer peripheral surface of the temperature sensor assembly 40 along the radial direction of the temperature sensor assembly 40, and the second limit stopper surface 454 is closer to the second end 432 than the first limit stopper surface 453. The second limit stopper surface 454 is used to define the axial position of the second transmission wheel 58 together with the first limit stopper surface 453.

[0274] The second limit stopper 456 has a first outer surface 455 located on the side facing away from the central axis P4 of the temperature sensor assembly 40, and the first outer surface 455 is configured to be inclined relative to the central axis P4 of the temperature sensor assembly 40, so that the distance between the end of the first outer surface 455 facing the second end 432 and the central axis P4 of the temperature sensor assembly 40 is smaller than the distance between the end of the first outer surface 455 facing the first end 431 and the central axis P4 of the temperature sensor assembly 40. The parts of the shell body 43A of the housing 43 of the temperature sensor assembly 40 located on both sides of the second limit stopper 456 along the circumferential direction of the temperature sensor assembly 40 are configured as functional grooves 457 extending along the axial direction of the temperature sensor assembly 40, and the functional grooves 457 penetrate the side wall of the shell body 43A of the housing 43 of the temperature sensor assembly 40.

[0275] The shell body 43A is made of materials such as plastics and resins. When the second transmission wheel 58 is installed on the shell body 43A, the second transmission wheel 58 is sleeved from the second end 432. The first outer surface 455 plays a guiding role, also known as a guiding slope. The second limit stopper 456 is also called a limit guide structure. Under the action of the guide slope 455, the second transmission wheel 58 can be easily moved to a preset position. At the same time, by setting a through functional groove 457 on both sides of the limit guide structure 456, when the second transmission wheel 58 is installed, the limit guide structure 456 in a cantilever state will swing toward the inside of the installation cavity 437, so that the second transmission wheel 58 can be more easily installed to the set position. When the second transmission wheel 58 reaches the preset position (over the second limit stop surface 454), the limit guide structure 456 will use its own elastic deformation ability to reset, so that the second transmission wheel 58 is clamped between the second limit stop surface 454 and the first limit stop surface 453.

[0276] In the illustrated embodiment, the connection structure 45 includes a plurality of second limit stoppers 456 , and the plurality of second limit stoppers 456 are arranged at intervals along the circumferential direction of the temperature sensor assembly 40 , for example, at equal intervals.

[0277] In summary, the temperature sensor assembly 40 includes a housing 43 for contacting the bottom surface of the cooking container 30 and a cable (specifically, a second cable 484) extending from the housing 43, wherein the cable 484 is used to maintain a relative position unchanged with the cable reel 180 (for example, the cable 484 is mechanically connected to the cable reel 180 through the cavity wall of the accommodating cavity 21, so that the relative position of the two remains unchanged). The cable reel device 660 is configured so that the housing 43 can rotate relative to the cable 484 around the central axis P8 of the cable reel, so as to drive the cooking container 30 to rotate synchronously relative to the cable 484 around the central axis P8 of the cable reel, so that the cooking container 30 can rotate relative to the cable reel 180 around the central axis P8 of the cable reel.

[0278] According to the present application, the components of the temperature sensor assembly 40 can move relative to each other, so that the temperature sensor assembly 40 has more application scenarios. Of course, the temperature sensor assembly 40 can also be applied to situations where relative movement between components is not required. The wire reel device 660 can rotate the cooking container 30, so that the desired purpose can be achieved through rotation. For example, the cooking container 30 is rotated relative to the magnetic field of electromagnetic heating so that the heated part of the cooking container 30 moves on the cooking container 30 to achieve uniform heating of the cooking container 30. At the same time, the wire reel device 660 can also monitor the temperature of the cooking container 30. The cooking utensil 600 includes all the features and effects of the temperature sensor assembly 40 and the wire reel device 660.

[0279] It should be noted that the cooking utensil according to the present application may be an electric rice cooker, an electric stew pot, an electric pressure cooker, or a cooking utensil similar to these cooking utensil.

[0280] The processes and steps described in all the above preferred embodiments are only examples. Unless adverse effects occur, various processing operations can be performed in a sequence different from the sequence of the above processes. The sequence of steps in the above processes can also be increased, merged or deleted according to actual needs.

[0281] In understanding the scope of the present application, the term "comprising" and its derivatives as used herein are intended to be open terms, which specify the existence of the recorded features, elements, components, groups, wholes and / or steps, but do not exclude the existence of other unrecorded features, elements, components, groups, wholes and / or steps. This concept also applies to words with similar meanings, such as the terms "including", "having" and their derivatives.

[0282] The terms "attached" or "attached" as used herein include: a configuration where an element is directly secured to another element by directly securing the element to the other element; a configuration where an element is indirectly secured to another element by securing the element to an intermediate member which in turn is secured to the other element; and a configuration where one element is integral with the other element, i.e., one element is substantially a part of the other element. This definition also applies to words with similar meanings such as "connect," "connect," "couple," "mount," "bond," "fix," and their derivatives. Finally, terms of degree such as "substantially," "approximately," and "approximately" as used herein represent the amount of deviation that modifies the term such that the end result will not be significantly changed.

[0283] Unless otherwise defined, the technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art of the present application. The terms used herein are only for describing specific implementation purposes and are not intended to limit the present application. The features described herein in one embodiment may be applied to another embodiment individually or in combination with other features, unless the feature is not applicable or otherwise specified in the other embodiment.

[0284] The present application has been described through the above-mentioned embodiments, but it should be understood that the above-mentioned embodiments are only for the purpose of example and description, and are not intended to limit the present application to the described embodiments. In addition, it can be understood by those skilled in the art that the present application is not limited to the above-mentioned embodiments, and more variations and modifications can be made according to the teachings of the present application, and these variations and modifications all fall within the scope of protection claimed by the present application.

Claims

1. A wire reel device for electromagnetic heating cooking utensils, It is characterized in that include: a temperature sensor assembly (40) for contacting the bottom surface of a cooking container (30) of the electromagnetic heating cooking appliance, wherein the cooking container (30) is used for containing food; and A wire drum assembly (670), the wire drum assembly (670) comprising: a wire rack (180) for being arranged on one side of the cooking container (30), the wire rack (180) having a wire rack central axis, and At least one coiled wire (182) is arranged on the coiling frame (180) along the circumferential direction of the coiling frame (180) and is used to generate an alternating magnetic field for electromagnetic heating after being energized. The wire coil device is constructed so that at least a portion of the temperature sensor assembly (40) can rotate relative to the wire coil rack (180) around the central axis of the wire coil rack, and can drive the cooking container (30) to rotate relative to the wire coil rack (180) around the central axis of the wire coil rack.

2. The cable drum device according to claim 1, It is characterized in that The temperature sensor assembly (40) comprises a first end (431) and a second end (432), wherein the first end (431) is used to contact the bottom surface of the cooking container (30), and the second end (432) is provided with a wire outlet for leading out a cable of the temperature sensor assembly.

3. The wire drum device according to claim 2, It is characterized in that A wire coil through hole (188A) is provided at the central portion of the wire coil rack (180), and the temperature sensor assembly (40) is adapted to the wire coil through hole (188A), so that at least a portion of the temperature sensor assembly can rotate relative to the wire coil rack (180) around the central axis of the wire coil rack.

4. The cable drum device according to claim 3, It is characterized in that The wire coil through hole (188A) is connected to the temperature sensor assembly (40) via a rotary substructure (161), wherein the axis of the rotary substructure (161) substantially coincides with the central axis of the wire coil rack.

5. The cable drum device according to claim 4, It is characterized in that A cylindrical portion (188C) is provided at the central portion of the wire coil rack (180), the wire coil through hole (188A) is formed inside the cylindrical portion (188C), and the first end portion (431) and the second end portion (432) respectively pass through the wire coil through hole (188A) from both ends of the cylindrical portion (188C).

6. The cable drum device according to claim 5, It is characterized in that The inner peripheral surface of the wire coil through hole (188A) is provided with a blocking surface (188B) extending in the radial direction of the wire coil through hole (188A) toward the temperature sensor assembly (40), and the temperature sensor assembly (40) further comprises a first blocking portion (433) extending outward in the radial direction of the wire coil rack (180); The wire reel device is constructed so that the rotary auxiliary structure (161) is limited between the blocking surface (188B) and the first blocking portion (433) along the axial direction of the wire reel frame (180).

7. The cable drum device according to claim 6, It is characterized in that The temperature sensor assembly (40) is provided with a connection structure (45) for connecting to a driving device (50), so that the temperature sensor assembly (40) can rotate relative to the wire coiling rack (180) around the central axis of the wire coiling rack under the drive of the driving device (50), wherein the connection structure (45) is arranged on a side of the first blocking portion (433) facing the second end portion (432).

8. The cable drum device according to claim 7, It is characterized in that The driving device (50) comprises a second transmission wheel (58), wherein the second transmission wheel (58) is an annular structure and is used to be sleeved on the outer peripheral surface of the temperature sensor assembly (40); The connection structure (45) is used to connect the second transmission wheel (58), and the connection structure (45) includes a first limit stop surface (453). The first limit stop surface (453) extends outward from the outer peripheral surface of the temperature sensor assembly (40) along the radial direction of the temperature sensor assembly (40) and toward the second end (432), and is used to limit the movement of the transmission wheel (58) along the axial direction of the temperature sensor assembly (40) toward the wire coil rack (180).

9. The cable drum device according to claim 8, It is characterized in that The inner circumferential surface of the second transmission wheel (58) is provided with at least one second connecting body (58F), and the connecting structure (45) further includes at least one first connecting body (451), the first connecting body (451) being used to be arranged corresponding to the second connecting body (58F) and to connect the second connecting body (58F), and the first connecting body (451) is closer to the second end (432) than the first limit stop surface (453); When the second transmission wheel (58) is installed at a set position, the first connecting body (451) is engaged with the second connecting body (58F) to limit the second transmission wheel (58) from rotating relative to the connecting structure (45).

10. The cable drum device according to claim 9, It is characterized in that The connection structure comprises a plurality of the first connection bodies, and the plurality of the first connection bodies (451) are arranged at intervals along the circumference of the temperature sensor assembly (40).

11. The cable drum device according to claim 9, It is characterized in that The second connecting body (58F) is a limiting groove arranged on the inner peripheral surface of the second transmission wheel (58), and the limiting groove extends along the axial direction of the second transmission wheel (58). The first connecting body (451) is a convex rib arranged on the outer peripheral surface of the temperature sensor assembly (40), and the limiting groove is used to accommodate the convex rib.

12. The wire drum device according to claim 8, It is characterized in that The connection structure (45) also includes at least one second limit stop member (456), the second limit stop member (456) is arranged on the outer peripheral surface of the temperature sensor assembly (40), and the side of the second limit stop member (456) facing the first end portion (431) includes a second limit stop surface (454), the second limit stop surface (454) extends outward from the outer peripheral surface of the temperature sensor assembly (40) along the radial direction of the temperature sensor assembly (40), and the second limit stop surface (454) is closer to the second end portion (432) than the first limit stop surface (453).

13. The cable drum device according to claim 12, It is characterized in that The second limit stopper (456) has a first outer surface (455) located on a side facing away from the temperature sensor assembly (40), and the first outer surface (455) is configured to be inclined relative to the axis of the temperature sensor assembly (40), so that the distance between the end of the first outer surface (455) facing the second end (432) and the axis of the temperature sensor assembly (40) is smaller than the distance between the end of the first outer surface (455) facing the first end (431) and the axis of the temperature sensor assembly (40); The portion of the temperature sensor assembly (40) located on both sides of the second limit stop (456) along the circumferential direction of the temperature sensor assembly (40) is constructed as a functional groove (457) extending along the axial direction of the temperature sensor assembly (40), and the functional groove (457) passes through the side wall of the temperature sensor assembly (40).

14. The cable drum device according to claim 13, It is characterized in that The connection structure (45) comprises a plurality of second limit stoppers (456), and the plurality of second limit stoppers (456) are arranged at intervals along the circumferential direction of the temperature sensor assembly (40).

15. The cable drum device according to claim 2, It is characterized in that The coiled wire (182) is disposed on a side of the wire coiling rack (180) facing the second end portion (432).

16. The cable drum device according to claim 2, It is characterized in that The wire coil device further comprises a clutch member (46) detachably connected to the bottom surface of the cooking container (30), wherein the clutch member (46) is arranged at the first end portion so that the clutch member (46) and the temperature sensor assembly (40) can rotate synchronously relative to the wire coil rack (180) around the central axis of the wire coil rack.

17. The cable drum device according to claim 16, It is characterized in that The clutch member (46) is configured to be magnetic; and / or The clutch member (46) is configured to be engageable with the bottom surface of the cooking container (30).

18. The cable drum device according to claim 17, It is characterized in that The clutch member (46) is provided with a limiting through hole, and the first end portion (431) passes through the limiting through hole, so that the clutch member (46) is sleeved on the first end portion (431).

19. The cable drum device according to claim 18, It is characterized in that The temperature sensor assembly (40) further includes a second blocking portion (434) extending outwardly in the radial direction of the cable drum (180) and configured to contact a side of the clutch member (46) facing the second end portion (432).

20. A cable drum device according to any one of claims 2 to 19, It is characterized in that The temperature sensor assembly (40) comprises a housing (43) for contacting the bottom surface of the cooking container (30) and the cable extending from the housing, wherein the cable is used to be mechanically connected to the cable reel, and the cable reel device is constructed so that the housing (43) can rotate relative to the cable around the central axis of the cable reel, so as to drive the cooking container (30) to rotate synchronously relative to the cable around the central axis of the cable reel.

21. A cable drum device according to any one of claims 2 to 19, It is characterized in that The coiled winding (182) is formed by winding an enameled wire, and the enameled wire comprises: a coiled portion (182A), the coiled portion (182A) being arranged on a side of the coiling frame (180) facing the second end portion (432) to form an effective resonant inductance of an electromagnetic heating resonant circuit, and two terminal portions (182B), the terminal portions (182B) being portions of the enameled wire that are not used to form the effective resonant inductor, and the coiled portion (182A) being located between the two terminal portions (182B); The cable reel (180) is provided with a bunching member (180P) for gathering all the terminal portions (182B).

22. The cable drum device according to any one of claims 1 to 19, It is characterized in that The wire reel assembly includes a plurality of the coiled wires, wherein The plurality of coiled wires (182) are arranged on the wire coiling frame (180) at equal intervals along the circumferential direction of the wire coiling frame (180); and / or At least some of the plurality of coiled wires (182) are connected in series or the plurality of coiled wires do not share a common wire.

23. The cable drum device according to any one of claims 1 to 19, It is characterized in that The axial cross section of the cable coiling rack (180) is a C-shaped structure.

24. The cable drum device according to claim 23, It is characterized in that The coiled wire (182) is arranged outside the C-shaped structure; and / or The cable drum (180) has a radially symmetrical structure.

25. A cable drum device according to any one of claims 4 to 14, It is characterized in that The rotary auxiliary structure (161) is configured as a rolling bearing or a sliding sleeve; and / or The rotary auxiliary structure (161) is made of non-metallic material.

26. An electromagnetic heating cooking appliance, It is characterized in that include: A pot body (20), wherein the pot body (20) has a containing cavity (21); A cooking container (30) is removably disposed in the accommodating cavity (21), wherein the cooking container (30) comprises a ferromagnetic material; The wire reel device according to any one of claims 1 to 25, wherein the temperature sensor assembly (40) is in contact with the bottom surface of the cooking container (30), and the wire reel rack (180) is connected to the cavity wall of the accommodating cavity (21); A driving device (50) is connected to the temperature sensor assembly (40) and is used to drive at least a portion of the temperature sensor assembly (40) to rotate relative to the pot body (20) around the central axis of the wire coiling rack.

27. The electromagnetic heating cooking device according to claim 26, It is characterized in that The driving device (50) comprises: A driving component (51) for providing a driving force for causing at least a portion of the temperature sensor component (40) to rotate relative to the pot body; and A transmission assembly (55) is connected between the driving assembly (51) and the temperature sensor assembly (40) and is used to transmit the driving force to the cooking container (30).

28. The electromagnetic heating cooking device according to claim 27, It is characterized in that The driving component (51) is configured as a motor; and / or The cooking appliance further comprises a grounding wire, one end of which is connected to the housing of the driving assembly, and the other end of which is connected to a grounding terminal of the electromagnetic heating cooking appliance.

29. The electromagnetic heating cooking device according to claim 27, It is characterized in that The transmission assembly (55) is made of non-metallic material.

30. The electromagnetic heating cooking device according to claim 26, It is characterized in that It also comprises a magnetic shielding cover (52), which is used to cover at least part of the driving device to shield the alternating magnetic field.

31. The electromagnetic heating cooking device according to claim 30, It is characterized in that It also comprises a grounding wire (53), one end of which is connected to the magnetic shield (52), and the other end of which is connected to the grounding end of the electromagnetic heating cooking appliance.

Images