Heating module and cooking apparatus thereof

Abstract

The heating module and the cooking device thereof comprise a support, a coil part is wound on the support, the coil part is arranged to inductively heat a pot, a plurality of wire group parts are arranged on the coil part, the coil part is arranged to be wound in a structure formed by the plurality of wire group parts in the annular direction of the support, the adjacent two wire group parts are arranged to be connected in the winding direction in the annular direction of the support to form a structure continuously wound in the annular direction of the support, and a part of the wire group part located at the forward position in the two wire group parts arranged to be adjacent is arranged to be in the covering structure of the part of the wire group part located at the backward position in the vertical direction. The scheme solves the problem of poor uniform heating effect of the existing electromagnetic heating coil disc on the pot.

Description

Technical Field

[0001] This utility model relates to the field of kitchen appliances, specifically to a heating module and its cooking device. Background Technology

[0002] Existing cooking appliances, such as induction cookers, rice cookers, and electric pressure cookers, primarily heat the pot by setting up a heating module. This heating module is generally an electromagnetic heating coil, which achieves electromagnetic induction heating of the pot. However, the structure of existing electromagnetic heating coils, due to the distribution and winding structure of the coils, tends to concentrate the heating of the pot, resulting in concentrated heating in the middle of the pot. This causes food to stick to the pot in the concentrated heating area, resulting in poor uniform heating of the entire pot and a poor user experience. Utility Model Content

[0003] The present invention aims to at least partially solve one of the technical problems in the aforementioned related technologies.

[0004] Therefore, the purpose of this utility model is to provide a heating module and its cooking device, which mainly solves the problem of poor uniform heating effect of existing electromagnetic heating coils on cookware.

[0005] The present invention provides a heating module, including a bracket, on which a coil is wound. The coil is configured to inductively heat a cookware. The coil has multiple wire groups, and the coil is configured to be formed by winding multiple wire groups along the annular direction of the bracket.

[0006] The structure is formed such that at least two adjacent wire groups are connected in the winding direction of the bracket in the annular direction, thus forming a structure in which the winding is continuously performed in the annular direction of the bracket.

[0007] In a structure where the wire group is wound in the circumferential direction of the support and is at least partially adjacent to another wire group, a portion of the wire group in the forward position is configured to cover a portion of the wire group in the rearward position in a vertically overlapping manner.

[0008] The aforementioned heating module has a single wire group section with a ring structure and is formed by winding a single wire group along the ring direction of the wire group section; a portion of the rear region of the wire group section located in the forward position of the two adjacent wire group sections is configured to cover a portion of the front region of the wire group section located in the rear position.

[0009] The aforementioned heating module is provided in which a portion of the wire group located in the forward position and a portion of the wire group located in the rear position in two adjacent wire group sections have an exposed structure that does not overlap with each other.

[0010] Alternatively, a portion of the rear region of the line group in the forward position and a portion of the rear region of the line group in the rearward position in two adjacent line group sections are both exposed.

[0011] Alternatively, the center of the annular structure of the wire group in the forward position and the center of the annular structure of the wire group in the rear position are spaced apart in the annular direction of the support.

[0012] The aforementioned heating module is located in two adjacent wire group sections. The distance from the center of the annular structure of the rearward wire group section to the center of the annular structure of the forward wire group section along the annular direction of the bracket is less than the maximum width value formed by a single wire group section in the annular direction of the bracket.

[0013] Furthermore, the maximum width of a single wire assembly in the circumferential direction of the bracket is less than or equal to the maximum length of the wire assembly in the radial direction of the bracket.

[0014] The aforementioned heating module is configured such that the wire group in the forward position of the two adjacent wire group sections does not cover the center position of the annular structure of the wire group section in the rear position, so that the center position of the annular structure of the wire group section in the rear position is exposed.

[0015] And / or, the maximum width of the overlapping area formed by two adjacent wire groups in the circumferential direction of the support is greater than or equal to one-third of the maximum width of a single wire group in the circumferential direction of the support.

[0016] In the aforementioned heating module, the maximum width of the overlapping area formed by two adjacent wire groups in the circumferential direction of the support is greater than or equal to one-third and less than or equal to two-thirds of the maximum width of a single wire group in the circumferential direction of the support.

[0017] In the aforementioned heating module, the distance from the inner edge of a single wire assembly in the radial direction of the bracket to the center of the bracket is less than the distance from the outer edge of the wire assembly in the radial direction of the bracket to the outer edge of the bracket.

[0018] And / or, the distance from the center position of the annular structure of a single wire assembly to the center position of the support along the radial direction is less than the distance from the center position of the annular structure of the wire assembly to the outer edge of the support along the radial direction.

[0019] The aforementioned heating module has a structure in which the center of one of the multiple wire groups is located on the outer diameter of circle A centered on the center of the bracket, and the center of another of the multiple wire groups is located on the outer diameter of circle B centered on the center of the bracket. The diameters of circle A and circle B are not equal, so that a portion of the wire groups are staggered in the radial direction of the bracket.

[0020] In the aforementioned heating module, the difference between the diameter of circle A and the diameter of circle B is greater than or equal to half of the maximum length of a single wire assembly in the radial direction of the support and less than the maximum length of a single wire assembly in the radial direction of the support.

[0021] The aforementioned heating module has multiple coil sections, which are arranged in a spaced-out structure in the radial direction of the support. Furthermore, in two adjacent coil sections in the radial direction of the support, the coil section located in the inner ring of the support is connected to the coil section located in the outer ring of the support.

[0022] Alternatively, the support may also be provided with a magnetic strip and at least a portion of the overlapping area formed by two adjacent wire groups is projected vertically toward the magnetic strip to form a projection area that overlaps with the magnetic strip.

[0023] Alternatively, a single wire group can be configured with a winding direction that gradually slopes downwards from back to front along the annular direction of the support.

[0024] The cooking apparatus includes a main body and a pot, and also includes a heating module as described above. The heating module is located inside the main body, and the pot is located on one side of the heating module. The pot and the heating module are arranged in a spaced-apart structure that does not contact each other, so that the heating module can perform electromagnetic induction heating on the pot.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] In this solution, the overlapping covering structure of two adjacent wire groups wound in the annular direction of the support can form a local magnetic field guidance and enhancement effect, thereby forming multiple relatively enhanced strong heating areas, and then forming a large area of ​​dispersed heating area in the annular direction. This achieves dispersed heating of multiple strong heating areas and multiple weak heating areas in the annular direction, thereby improving the uniformity of heating the cookware.

[0027] In this solution, a single wire assembly is a ring structure, which can form a single heating area center. The structure and positional distribution of multiple wire assemblies can form multiple heating area centers in the ring direction, achieving a distributed heating effect for the cookware in the ring direction, effectively solving the problem of concentrated heating effect of existing electromagnetic coils, and achieving a better uniform heating effect.

[0028] In this scheme, the distribution structure of multiple wire groups around the ring direction and the structural arrangement of two adjacent wire groups enable a strong heating area between the centers of two adjacent heating areas formed by the two wire groups. This results in a distributed heating effect at multiple locations between the strong heating area and the heating areas corresponding to the centers of the heating areas on both sides, effectively reducing the interval distance of the heating areas in the ring direction and thus achieving a better uniform heating effect.

[0029] In this solution, the structure, size, and position of the wire assembly are limited to achieve a large-area uniform heating effect by using multiple wire assemblies, while effectively reducing heating blind spots.

[0030] In this solution, the size of the overlapping area formed by two adjacent line groups in the ring direction of the support is limited. This ensures that multiple heating areas are dispersed and independent between the center of the ring direction and the strong heating area, thereby forming a large-area dispersed heating effect and improving the uniformity of heating the cookware.

[0031] In this design, the staggered structure of the coil in the radial direction of the support can achieve a distributed heating effect in the center of multiple heating areas over a larger area, while also achieving a staggered distributed heating effect between the inner and outer ring areas, which can further improve the uniform heating effect on the cookware.

[0032] In this design, the positional structure of the magnetic strip is designed to better guide the magnetic field and improve the stability of the strong heating area, thereby enhancing the stability and reliability of achieving a large-area, uniform heating effect.

[0033] The cooking device in this solution enables the heating module to heat the pot more evenly during operation, preventing concentrated heating and effectively reducing the likelihood of food sticking, thereby improving the user experience. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the heating module;

[0035] Figure 2 This is a schematic diagram of a heating module.

[0036] Figure 3This is a schematic diagram of one possible structure of a heating module;

[0037] Figure 4 This is a schematic diagram showing the structural distribution of the magnetic strips and wire assembly of the heating module;

[0038] Figure 5 A schematic diagram showing the staggered distribution of multiple line groups on the support;

[0039] Reference numerals: 1-bracket, 2-coil section, 201-wire group section, 3-magnetic strip. Detailed Implementation

[0040] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0041] Example: The heating module and cooking device of this utility model, such as Figures 1 to 5 As shown in the diagram, the heating module is mainly used to heat the cookware inside the cooking device, thereby achieving the cooking effect of the ingredients. The structure of the heating module in this solution can achieve a better and more uniform heating effect on the cookware, thereby reducing the stickiness of the ingredients caused by concentrated heating in the cookware, achieving a more uniform cooking effect, and thus improving the user experience.

[0042] The heating module of this solution includes a support 1, which is configured as a ring-shaped disc structure. A coil section 2 is wound on the support 1. The coil section 2 is used for induction heating of the cookware. When the coil section 2 is energized, it generates a magnetic field to achieve electromagnetic induction heating of the cookware. Multiple wire groups 201 are provided on the coil section 2. The coil section 2 is formed by winding multiple wire groups 201 along the ring direction of the support 1. The multiple wire groups 201 are formed by continuously winding single wire groups in the ring direction of the support 1. The multiple wire groups 201 are connected to form the coil section 2. Specifically, at least some adjacent wire groups 201 are connected in the winding direction of the ring direction of the support 1 to form a continuous winding structure in the ring direction of the support 1. That is, multiple wire groups 201 are connected in series to achieve continuous winding in the ring direction. Adjacent wire groups 201 can be connected end-to-end to form single wire groups for continuous winding, thus forming multiple coils. The structure of the assembly 201 includes a portion of the forward-facing assembly 201 in a structure wound in the annular direction of the support 1, where at least two assembly 201s are adjacent, is configured to overlap the portion of the rear-facing assembly 201 in the vertical direction. That is, an overlapping area is formed between two adjacent assembly 201s. The overlapping area can create a local magnetic field guidance enhancement effect, thereby forming a relatively enhanced strong heating area. The structure and positional distribution of the multiple assembly 201s form multiple heating area centers in the annular direction, achieving a distributed heating effect on the cookware in multiple heating areas in the annular direction. Combined with the strong heating area formed by the overlapping area, multiple strong heating areas and multiple weak heating areas in the annular direction of the support 1 are distributed and heated in the annular direction, thereby forming a large-area distributed heating area in the annular direction, and thus improving the uniformity of heating the cookware.

[0043] In this scheme, the structure of a single wire group 201 is designed as a ring structure, formed by winding a single wire group along the ring direction of the wire group 201. The single wire group 201 can be a circular ring structure, an elliptical ring structure, or a ring structure in any direction. Setting the single wire group 201 as a ring structure allows the single wire group 201 to form a magnetic field within a single region, thereby realizing a single heating area center. The center of the single heating area corresponds to a heating area with a certain area. Two adjacent wire group sections are also included. A portion of the rear region of the wire group 201 located in the forward position is configured to cover a portion of the front region of the wire group 201 located in the rearward position. This allows for overlapping areas between the two when they are wound in the annular direction of the support 1, enabling continuous winding in the annular direction. This facilitates continuous winding of multiple wire groups 201 while ensuring that the two wire groups 201 do not completely overlap. Consequently, regions with enhanced magnetic fields and regions without enhanced magnetic fields are formed, corresponding to strong heating regions and weak heating regions.

[0044] In this scheme, a portion of the forward-facing wire group 201 and a portion of the rear-facing wire group 201 in two adjacent wire group sections 201 are exposed without overlapping. That is, the two adjacent wire group sections 201 do not completely overlap, but only a portion of their respective areas overlap. This allows for the formation of a region with enhanced magnetic field between the two wire group sections 201 while each of them forms a corresponding heating area center, which is a strong heating region. The magnetic field of the overlapping region is stronger than that of the heating area corresponding to the heating area center of a single wire group section 201. Therefore, when the overlapping region forms a strong heating region, the heating area corresponding to the heating area center of each of the two wire group sections 201 is a weak heating region. This achieves an alternating or staggered distribution of strong and weak heating regions in the circumferential direction, and a dispersed distribution in the circumferential direction, thereby achieving a better uniform heating effect.

[0045] Alternatively, in this solution, in a specific structural part, a portion of the rear region of the forward-facing wire group 201 and a portion of the rear region of the backward-facing wire group 201 in two adjacent wire group sections 201 are both exposed. When the two adjacent wire group sections 201 form an overlapping regional structure, the portions of the rear regions of the two wire group sections 201 are not located in the overlapping region, but remain exposed, thereby forming the heating region corresponding to the center of their respective heating regions, which is the weak heating region. This effectively ensures that the weak heating region and the strong heating region coexist and are formed simultaneously, so as to achieve a large-area distributed heating effect.

[0046] Alternatively, in this solution, the specific structural part is arranged such that the center of the annular structure of the forward-facing wire group 201 and the center of the annular structure of the rear-facing wire group 201 are spaced apart and staggered in the annular direction of the support 1. This prevents the two wire group sections 201 from forming a completely overlapping structure, allowing each wire group section 201 to form an independent heating area center and correspondingly form a heating area. This results in a structure that distributes multiple heating areas in the annular direction of the support 1, effectively solving the problem of concentrated heating and achieving a large-area dispersed heating effect, thereby improving the uniform heating effect.

[0047] In this design, the distance from the center of the annular structure of the rearward-positioned wire group 201 in two adjacent wire group sections 201 along the annular direction of the support 1 to the center of the annular structure of the forward-positioned wire group section 201 is less than the maximum width of a single wire group section 201 formed in the annular direction of the support 1. This allows the two adjacent wire group sections 201 to form overlapping areas when distributed on the support 1. The overlapping areas enhance the magnetic field, thereby correspondingly forming a strong heating area for heating the cookware. Simultaneously, the two adjacent wire group sections... Each assembly 201 also forms its own independent heating area center on the cookware and forms a corresponding heating area. At the same time, the maximum width of a single wire assembly 201 in the annular direction of the support 1 is less than or equal to the maximum length of the wire assembly 201 in the radial direction of the support 1. This allows a single wire assembly 201 to form a stable heating area in both the radial and annular directions on the support 1. It also facilitates the formation of the heating area center and the winding of a single wire assembly to form an annular structure, thereby increasing the area of ​​the heating area.

[0048] When the maximum width of a single wire group 201 in the annular direction of the support 1 is equal to the maximum length of the wire group 201 in the radial direction of the support 1, the single wire group 201 forms an annular structure that is close to a circle. At this time, the center of the annular structure of the single wire group 201 is the center position, which forms the center of the heating area centered on the center position.

[0049] Specifically, when the maximum width of a single wire group 201 in the annular direction of the support 1 is less than the maximum length of the wire group 201 in the radial direction of the support 1, the single wire group 201 forms an elliptical annular structure. At this time, the center of the annular structure of the single wire group 201 is the center of the ellipse, forming a heating area center centered on the center of the ellipse. This allows the single wire group 201 to form a larger heating area in the radial direction of the support 1, which can relatively reduce the heating blind zone and improve the heating uniformity.

[0050] To further enhance the stability of the intense heating area, in this design, the wire group 201 located in the forward position among two adjacent wire group sections 201 is configured to not cover the center of the annular structure of the wire group section 201 located in the rearward position, thus exposing the center of the annular structure of the wire group section 201 located in the rearward position. This ensures that the center of the wire group section 201 located in the rearward position is not located within the overlapping area formed by the two adjacent wire group sections 201, thereby ensuring the stable heating area corresponding to the center of the heating area formed by a single wire group section 201. By independently forming a weak heating area, it can effectively enable the overlapping areas formed by two adjacent wire groups 201 to form a strong heating area, thereby enhancing the magnetic field corresponding to the strong heating area. This ensures that when two adjacent wire groups 201 form an overlapping area, a strong heating area can be stably formed, preventing the situation where a strong heating area cannot be formed due to an excessively small overlapping area, and also preventing the weak heating area from being unable to form. Ultimately, this achieves an effective and dispersed distribution of strong and weak heating areas, improving the uniform heating effect on the cookware.

[0051] And / or, in order to further improve the stability of the strong heating area, in this solution, the maximum width of the overlapping area formed by two adjacent wire group parts 201 in the annular direction of the support 1 is greater than or equal to one-third of the maximum width of a single wire group part 201 in the annular direction of the support 1. This can effectively enable the overlapping area formed by two adjacent wire group parts 201 to form a strong heating area, thereby enhancing the magnetic field corresponding to the location of the strong heating area. As a result, when two adjacent wire group parts 201 form an overlapping area, a strong heating area can be formed stably, and there will be no situation where the overlapping area is too small to form a strong heating area. This ensures that the strong heating area can be formed effectively and stably.

[0052] To further enhance the stability of the strong heating area, this solution sets the maximum width of the overlapping area formed by two adjacent wire group sections 201 in the annular direction of the support 1 to be greater than or equal to one-third and less than or equal to two-thirds of the maximum width of a single wire group section 201 in the annular direction of the support 1. This effectively allows the overlapping area formed by two adjacent wire group sections 201 to form a strong heating area, thereby enhancing the magnetic field corresponding to the location of the strong heating area. This ensures that when two adjacent wire group sections 201 form an overlapping area, a strong heating area can be stably formed, preventing the situation where the overlapping area is too small to form a strong heating area. At the same time, while forming a strong heating area, the heating area corresponding to the center of the heating area formed by a single wire group section 201 can stably remain independent to form a weak heating area. Ultimately, this achieves an effective and dispersed distribution of strong and weak heating areas, improving the uniform heating effect on the cookware.

[0053] In this scheme, in order to reduce the heating blind zone and improve the heating uniformity, the distance from the inner edge of a single wire group 201 in the radial direction of the support 1 to the center of the support 1 is set to be less than the distance from the outer edge of the wire group 201 in the radial direction of the support 1 to the outer edge of the support 1. This makes the inner edge of the wire group 201 relatively close to the center of the support 1, and the outer edge of the wire group 201 relatively far away from the outer edge of the support 1, so that the heating area is relatively close to the center of the support 1, thereby reducing the heating blind zone, and making the centers of the respective heating areas formed by two adjacent wire groups 201 relatively independent, thereby forming a better distributed heating effect.

[0054] And / or, in this solution, the distance from the center of the annular structure of a single wire group 201 to the center of the support 1 along the radial direction is less than the distance from the center of the annular structure of the wire group 201 to the outer edge of the support 1 along the radial direction. This makes the center of the wire group 201 relatively close to the center of the support 1 and relatively far from the outer edge of the support 1, so that the heating area is relatively close to the center of the support 1, thereby reducing the heating blind zone, and making the centers of the heating areas formed by two adjacent wire groups 201 relatively independent, thereby forming a better distributed heating effect.

[0055] It is understandable that when a single wire group 201 is a ring structure, it is formed at the center position of its ring structure, and a single wire group is wound around the ring structure to form a single wire group 201.

[0056] In this design, to further improve the uniform heating effect on the cookware, the center of one portion of the multiple wire assembly sections 201 is located on the outer diameter of circle A centered on the center of the support 1, and the center of another portion of the multiple wire assembly sections 201 is located on the outer diameter of circle B centered on the center of the support 1. The diameters of circles A and B are not equal, so that a portion of the wire assembly sections 201 are staggered in the radial direction of the support 1. That is, a portion of the wire assembly sections 201 are located on the inner ring of the support 1, and a portion of the wire assembly sections 201 are located on the outer ring of the support 1, forming a staggered distribution structure in the radial direction. This can increase the heating area and form multiple heating area centers in the radial direction. It also helps to reduce the heating blind zone. Multiple heating area centers in the radial direction can form multiple dispersed heating areas, which, combined with the multiple heating area centers in the annular direction, form a dispersed heating effect of multiple heating area centers in a larger area, thereby improving the uniform heating effect on the cookware.

[0057] To further improve the uniform heating effect of induction heating of cookware, in this solution, the difference between the diameter of circle A and the diameter of circle B is set to be greater than or equal to half of the maximum length of a single wire group 201 formed in the radial direction of the support 1 and less than the maximum length of a single wire group 201 formed in the radial direction of the support 1. This ensures that in the radial direction, some wire group 201s are located in the inner ring position and some wire group 201s are located in the outer ring position. The wire group 201s located in the inner ring position and the wire group 201s located in the outer ring position not only have a certain interval distance, but also have a certain staggered intersection area. The staggered intersection area allows the projected areas of the wire group 201s in the inner ring position and the wire group 201s in the outer ring position in the annular direction to overlap, thereby forming a better distributed heating area and more heating area centers. This achieves a large-area distributed heating and a distributed heating effect with multiple heating area centers, effectively improving the uniform heating effect of the cookware.

[0058] In this solution, to further improve the uniform heating effect on the cookware, the number of coil sections 2 can be set to multiple. These multiple coil sections 2 are arranged in a spaced-apart structure in the radial direction of the support 1. That is, multiple coil sections 2 are formed in the outer and inner ring positions of the support 1, and the coil section 2 located in the inner ring position of the support 1 and the coil section 2 located in the outer ring position of the support 1 are connected in a structure where two adjacent coil sections 2 are arranged in the radial direction of the support 1. This forms multiple coil sections 2 that are spaced-apart and connected in the direction of the inner and outer rings of the support 1, thereby forming more heating area centers and a larger area of ​​dispersed heating. At the same time, it can reduce the heating blind spots of the cookware. The multiple coil sections 2 correspond to the multiple heating area centers in the inner and outer ring positions of the cookware, and correspondingly form multiple strong heating areas and weak heating areas, achieving a larger area of ​​uniform heating effect.

[0059] Alternatively, in this solution, the support 1 is also provided with a magnetic strip 3, and a portion of the overlapping area formed by at least two adjacent wire groups 201 is projected vertically toward the magnetic strip 3, forming a projection area that overlaps with the magnetic strip 3. Multiple magnetic strips 3 are used to guide and strengthen the magnetic field of the coil 2 when mounted on the support 1. To further enhance the magnetic field guidance effect of the magnetic strip 3 and further form a strong heating area, this solution provides a structure where a portion of the overlapping area formed by at least two adjacent wire groups 201 is projected vertically toward the magnetic strip 3, forming a projection area that overlaps with the magnetic strip 3. This achieves enhanced magnetic field guidance by the magnetic strip 3, further stabilizing the formation of the strong heating area. It also allows for more stable independence between the strong heating area and the weak heating area, thereby achieving relative independence between the centers of multiple heating areas and the strong heating area, resulting in a large-area dispersed heating effect on the cookware and further improving the uniform heating effect.

[0060] Preferably, magnetic strips 3 are provided in the overlapping areas formed between the wire groups 201 of each adjacent structure on the heating module, so as to better guide the strengthening of the magnetic field.

[0061] Optionally, the width of the magnetic strip 3 in the annular direction of the support 1 is set to be greater than or equal to the maximum width of the overlapping area formed by two adjacent wire groups 201 in the annular direction of the support 1, thereby achieving a better effect of guiding the magnetic field to strengthen.

[0062] Optionally, the magnetic strip 3 can be glued to the bracket 1 by means of adhesive bonding or by means of snap-fit ​​limiting fixation, both of which can achieve the installation of the magnetic strip 3.

[0063] Alternatively, in this solution, preferably, a single wire group 201 is configured with an inclined structure that gradually slopes downwards from back to front along the winding direction of the bracket 1 in the annular direction. The single wire group 201 is configured as an inclined structure in the winding direction rather than a planar structure. This prevents one of the wire group 201s from increasing in height in the vertical direction during the overlapping process of two adjacent wire group 201s. That is, during the overlapping process, the forward wire group 201 is formed to cover the backward wire group 201 in the inclined direction, thus preventing the formation of two adjacent wire group 201s in the vertical direction. Instead of structures located on different horizontal planes, adjacent line groups 201 are formed with approximately the same vertical height. For example, the lowest position of the line group 201 in the forward position and the lowest position of the line group 201 in the rear position are approximately the same vertical height on the support 1, and the highest position of the line group 201 in the forward position and the highest position of the line group 201 in the rear position are approximately the same vertical height on the support 1. In this way, the distance from which multiple line groups 201 induction heat the cookware is approximately the same, thereby achieving a more stable and uniform induction heating effect.

[0064] It is understandable that when a single wire group 201 is configured as a planar structure on a horizontal plane, for the wire group 201 in the forward position to form a covering structure that overlaps with the wire group 201 in the rear position, the plane where the wire group 201 in the forward position is located needs to be higher than the plane where the wire group 201 in the rear position is located. This results in adjacent wire groups being located on horizontal planes at different heights, which will cause unequal distances for induction heating of the cookware and relatively poor induction heating effect. However, compared with the existing technology, the uniform heating effect of the cookware will be greatly improved. In this solution, multiple wire groups 201 can also be set on different horizontal planes to achieve an overlapping covering structure of adjacent wire groups 201, thereby achieving a better uniform heating effect of the cookware.

[0065] When multiple wire groups 201 are located on different horizontal planes to form a planar structure, in order to prevent a relatively large height difference between the first wire group 201 and the last wire group 201 in the vertical direction in the annular direction of the support 1, it is preferable to set the number of wire groups 201 to be less than or equal to 5, and the number of layers of a single wire group 201 to be less than or equal to 2. This ensures that the height difference formed by multiple wire groups 201 is not too large, and each wire group 201 can sense the pot for heating, while also providing a better uniform heating effect on the pot.

[0066] In this scheme, a single wire group is set to be made of multiple wires twisted together, so that a single wire group is composed of multiple independent wires.

[0067] In this solution, a winding groove can be provided on the bracket 1. The winding groove is used to fix the wire group 201, that is, to form a single wire group that is wound and fixed in the winding groove by loose winding. Multiple wire groups 201 are used to form a coil 2 loosely wound on the bracket 1.

[0068] In this scheme, a crimping part can also be provided on the bracket 1, and a crimping space is formed between the crimping part and the end face of the bracket 1. The crimping space is used to wind the wire group 201, that is, to form a single wire group by tightly winding and fixing it in the crimping space. The crimping part realizes the crimping and fixing of the wire group 201 in the crimping space, thereby fixing the wire group 201. Multiple wire groups 201 form a coil part 2 tightly wound on the bracket 1 through a continuous tightly wound structure.

[0069] In this solution, the support 1 can be a planar structure or a concave three-dimensional structure, so that the heating module can heat the cookware in a planar or three-dimensional manner.

[0070] The cooking device of this solution includes a main body and a pot, and also includes a heating module as described above. The pot is mainly placed inside or on the main body of the device. The heating module is located inside the main body of the device, and the pot is located on one side of the heating module. The pot and the heating module are arranged in a non-contact, spaced-apart structure to form a structure in which the heating module electromagnetically induction heats the pot. Alternatively, the pot can be positioned above the heating module, and the pot and the heating module are arranged in a vertically spaced-apart structure. When the cooking device is started, the heating module is activated to generate a magnetic field, thereby electromagnetically induction heating the pot. The structure and position of the coil part 2 and the multiple wire group parts 201 in the heating module are described. The heating element distributes heat across a large area of ​​the cookware, forming multiple heating zones. A single wire assembly 201 forms these zones, while overlapping areas of adjacent wire assemblies create strong heating zones. A portion of these strong heating zones then becomes a weak heating zone, resulting in a large-area, dispersed heating effect. This effectively reduces concentrated heating, achieving better uniform heating and preventing food from sticking due to concentrated heating, significantly improving the user experience.

[0071] The cooking device in this solution can be an induction cooker, rice cooker, or electric pressure cooker. Of course, it can also be other electric cooking appliances that require electromagnetic heating, such as electric baking pans and electric saucepans. Using the heating module set in this solution to heat the cookware can achieve a better and more uniform heating effect.

[0072] For any aspects not covered in this solution, existing technologies can be used or referenced.

[0073] Working Principle: The heating module of this solution uses a coil section 2 to inductively heat the cookware. The coil section 2 has multiple wire groups 201. The structural distribution and winding structure of these multiple wire groups 201 create multiple heating zones at their centers, forming multiple strong heating areas and multiple weak heating areas, resulting in a distributed heating effect over a large area of ​​the cookware. This solves the problem of concentrated heating. Furthermore, the multiple heating zones and strong heating areas form a staggered, dispersed structure in a ring direction, further enhancing the uniform heating effect on the cookware. The overlapping covering structure between two adjacent wire group sections 201 forms a structure that guides and strengthens the magnetic field, thereby forming a strong heating area. The multiple ring-shaped wire group sections 201 form multiple relatively independent heating area centers, corresponding to multiple relatively weak heating areas. This not only creates multiple heating areas on the cookware, but also forms a staggered and dispersed structure between the strong and weak heating areas, effectively reducing the occurrence of concentrated heating and achieving a better uniform heating effect on the cookware. When the heating module is installed in the cooking device, the user has a better experience when using the cooking device, and the food is less likely to stick in the cookware.

[0074] Those skilled in the art will understand that the above embodiments are specific implementations of the present utility model. In practical applications, various changes can be made to them in form and detail without departing from the spirit and scope of the present utility model, and all such changes are within the protection scope of the present utility model.

Claims

1. A heating module, comprising a support, wherein a coil is wound on the support, the coil being configured for induction heating of a cookware, characterized in that: The coil section is provided with multiple wire groups, and the coil section is arranged in a structure formed by winding multiple wire groups along the annular direction of the support. The structure is formed such that at least two adjacent wire groups are connected in the winding direction of the bracket in the annular direction, thus forming a structure in which the winding is continuously performed in the annular direction of the bracket. In a structure where the wire group is wound in the circumferential direction of the support and is at least partially adjacent to another wire group, a portion of the wire group in the forward position is configured to cover a portion of the wire group in the rearward position in a vertically overlapping manner.

2. The heating module according to claim 1, characterized in that: The single wire group section is arranged in a ring structure and is formed by winding a single wire group along the ring direction of the wire group section; a portion of the rear region of the wire group section located in the forward position in two adjacent wire group sections is configured to cover a portion of the front region of the wire group section located in the rear position.

3. The heating module according to claim 2, characterized in that: In two adjacent wire group sections, a portion of the wire group section in the forward position and a portion of the wire group section in the rear position are exposed structures that do not overlap with each other. Alternatively, a portion of the rear region of the line group in the forward position and a portion of the rear region of the line group in the rearward position in two adjacent line group sections are both exposed. Alternatively, the center of the annular structure of the wire group in the forward position and the center of the annular structure of the wire group in the rear position are spaced apart in the annular direction of the support.

4. The heating module according to claim 3, characterized in that: The distance from the center of the annular structure of the rearward-positioned wire group in two adjacent wire group sections to the center of the annular structure of the forward-positioned wire group section along the annular direction of the support is less than the maximum width value formed by a single wire group section in the annular direction of the support. Furthermore, the maximum width of a single wire assembly in the circumferential direction of the bracket is less than or equal to the maximum length of the wire assembly in the radial direction of the bracket.

5. The heating module according to claim 4, characterized in that: In two adjacent line group sections, the line group section located in the forward position is configured to not cover the center position of the annular structure of the line group section located in the rear position, so that the center position of the annular structure of the line group section located in the rear position is exposed. And / or, the maximum width of the overlapping area formed by two adjacent wire groups in the circumferential direction of the support is greater than or equal to one-third of the maximum width of a single wire group in the circumferential direction of the support.

6. The heating module according to claim 4, characterized in that: The maximum width of the overlapping area formed by two adjacent wire groups in the circumferential direction of the support is greater than or equal to one-third and less than or equal to two-thirds of the maximum width of a single wire group in the circumferential direction of the support.

7. The heating module according to claim 5 or 6, characterized in that: The distance from the inner edge of a single wire assembly in the radial direction of the bracket to the center of the bracket is less than the distance from the outer edge of the wire assembly in the radial direction of the bracket to the outer edge of the bracket. And / or, the distance from the center position of the annular structure of a single wire assembly to the center position of the support along the radial direction is less than the distance from the center position of the annular structure of the wire assembly to the outer edge of the support along the radial direction.

8. The heating module according to claim 7, characterized in that: One of the multiple wire groups is positioned on the outer diameter of circle A centered on the center of the support, and another of the multiple wire groups is positioned on the outer diameter of circle B centered on the center of the support. The diameters of circle A and circle B are not equal, so that a portion of the wire groups are staggered in the radial direction of the support.

9. The heating module according to claim 8, characterized in that: The difference between the diameter of circle A and the diameter of circle B is set to be greater than or equal to half of the maximum length of a single wire assembly in the radial direction of the support, and less than the maximum length of a single wire assembly in the radial direction of the support.

10. The heating module according to claim 5 or 6, characterized in that: The number of coil sections is set to be multiple, and the multiple coil sections are arranged in a spaced-out structure in the radial direction of the bracket. In addition, the coil section located in the inner ring position of the bracket and the coil section located in the outer ring position of the bracket are connected in a structure between two adjacent coil sections in the radial direction of the bracket. Alternatively, the support may also be provided with a magnetic strip and at least a portion of the overlapping area formed by two adjacent wire groups is projected vertically toward the magnetic strip to form a projection area that overlaps with the magnetic strip. Alternatively, a single wire group can be configured with a winding direction that gradually slopes downwards from back to front along the annular direction of the support.

11. A cooking apparatus, comprising an apparatus body and a pot, characterized in that: It also includes the heating module as described in any one of claims 1-10, wherein the heating module is located inside the main body of the device, the cookware is located on one side of the heating module, and the cookware and the heating module are arranged in a spaced distribution structure that does not contact each other, so as to form a structure in which the heating module performs electromagnetic induction heating on the cookware.

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