CN215935131U

CN215935131U - Coil panel and electromagnetic cooking utensil

Info

Publication number: CN215935131U
Application number: CN202121699780.5U
Authority: CN
Inventors: 范吉昌; 易亮; 吴金华; 张翼飞
Original assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-03-01
Anticipated expiration: 2031-07-23

Abstract

The utility model discloses a coil panel and an electromagnetic cooking appliance, wherein the coil panel comprises a panel seat, a coil winding and an adjusting part, and the panel seat is provided with an installation position for installing a temperature sensing device; the coil winding is arranged on the disc seat; the adjusting portion is used for weakening a magnetic field distributed from the coil winding towards the mounting position. In the utility model, the mounting position indicates the accurate position of the temperature sensing device; the coil winding is arranged on the disk seat, and a magnetic field and a thermal field can be formed on the disk seat, so that the aim of heating the inner pot is fulfilled; the adjusting part is arranged on the disc seat, and can reduce or even completely isolate the distribution of a magnetic field generated by the coil winding towards the installation position, thereby helping to weaken the influence of the magnetic field and/or a thermal field generated by the coil winding on the temperature sensing device, leading the temperature value measured by the temperature sensing device to be closer to the actual temperature value of the inner pot, helping to improve the temperature sensing accuracy of the temperature sensing device, and optimizing the temperature sensing effect of the temperature sensing device.

Description

Coil panel and electromagnetic cooking utensil

Technical Field

The utility model belongs to the technical field of electromagnetic heating cooking, and particularly relates to a coil panel and an electromagnetic cooking appliance.

Background

Nowadays, cooking appliances using electromagnetic heating technology are widely used in life. In general, an electromagnetic cooking device uses a coil panel as a heating source, and a temperature sensing device is provided on the coil panel to monitor the temperature of a heated inner pot. However, since the temperature sensing device is located in the magnetic field region formed by the coil disc, the magnetic field and the thermal field formed by the coil disc easily cause thermal influence on the sensing end of the temperature sensing device, which results in a reduction in the temperature sensing effect of the temperature sensing device on the inner pot.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a coil panel and an electromagnetic cooking appliance, and aims to solve the problem that a temperature sensing device arranged on the traditional coil panel has poor temperature sensing effect on an inner pot.

In order to achieve the above object, the present invention provides a coil disc, including:

the disc seat is provided with a mounting position for mounting the temperature sensing device;

the coil winding is arranged on the disc seat; and the number of the first and second groups,

the adjusting part is arranged on the disk seat and used for weakening a magnetic field distributed from the coil winding to the mounting position.

Optionally, the coil winding includes a first winding, and the first winding is arranged in an inclined manner in a direction gradually away from the disk seat in a direction away from the installation position;

wherein the first winding set obliquely constitutes the regulating portion.

Optionally, an angle between the oblique direction of the first winding and the installation position is greater than 90 °.

Optionally, the coil winding comprises a first winding;

the adjusting part comprises a shielding protrusion, and the shielding protrusion is arranged between the first winding and the installation position in a protruding mode so as to at least partially block a magnetic field distributed from the first winding to the installation position.

Optionally, the shielding protrusion is made of a magnetic shielding material or a magnetic absorbing material.

Optionally, the disk seat is provided with a mounting hole along the thickness direction thereof, and the mounting hole forms the mounting position;

the coil panel also comprises a temperature sensing part, and the temperature sensing part is covered on the orifice of the mounting hole and is abutted between the sensing end of the temperature sensing device and the inner pot;

the shielding bulge and the temperature sensing part are arranged at intervals.

Optionally, the first winding is disposed adjacent to the mounting location.

Optionally, the coil disc is arranged in a concave shape to form a disc seat bottom and a disc seat side;

the coil winding comprises a bottom winding arranged at the bottom of the disk seat and a side winding arranged at the side of the disk seat;

the mounting position is arranged at the bottom of the disk seat and/or the side part of the disk seat.

Optionally, the coil disk further comprises:

the first bracket is arranged at the bottom of the disc seat and defines a first winding groove for winding the bottom winding; and the number of the first and second groups,

and the second support is arranged on the side part of the disk seat and limits a second winding groove for winding the side winding.

Optionally, the first support comprises a first support arm, one end of the first support arm is connected with the middle of the tray base, and the other end of the first support arm extends towards the periphery of the tray base to define the first winding groove with the tray base.

Optionally, the second support comprises a second support arm, one end of the second support arm is connected with a portion of the tray side portion close to the tray bottom, and the other end of the second support arm extends towards the periphery of the tray side portion to define the second winding groove with the tray side portion.

Optionally, the first stent or the second stent is magnetic.

Further, to achieve the above object, the present invention also provides an electromagnetic cooking appliance including:

a temperature sensing device; and the number of the first and second groups,

a coil disk, the coil disk comprising:

In the technical scheme provided by the utility model, the mounting position indicates the accurate position of the temperature sensing device; the coil winding is arranged on the disk seat, and a magnetic field and a thermal field can be formed on the disk seat, so that the aim of heating the inner pot is fulfilled; the adjusting part is arranged on the disc seat, and can reduce or even completely isolate the distribution of a magnetic field generated by the coil winding towards the installation position, thereby helping to weaken the influence of the magnetic field and/or a thermal field generated by the coil winding on the temperature sensing device, leading the temperature value measured by the temperature sensing device to be closer to the actual temperature value of the inner pot, helping to improve the temperature sensing accuracy of the temperature sensing device, and optimizing the temperature sensing effect of the temperature sensing device.

Drawings

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

Fig. 1 is a longitudinal sectional view of a first embodiment of a coil disk according to the present invention;

fig. 2 is a schematic perspective view of a second embodiment of a coil disk provided by the present invention;

FIG. 3 is a schematic longitudinal sectional view of the coil disk of FIG. 2;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;

fig. 5 is a schematic perspective view of a third embodiment of a coil disk provided by the present invention;

FIG. 6 is a schematic longitudinal sectional view of the coil disk of FIG. 5;

fig. 7 is an enlarged schematic view of the structure at B in fig. 6.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

In view of the above, the present invention provides a coil panel applied to an electromagnetic cooking appliance. It is understood that the specific representation of the electromagnetic cooking appliance is not limited, and may be an electromagnetic oven, an electric cooker, a bread maker, a food processor or a cooking machine, etc. The electromagnetic cooking appliance generally further comprises an inner pot, wherein the inner pot can be heated under the action of the magnetic field and the thermal field of the coil panel, so that food materials in the inner pot can be cooked.

Referring to fig. 1 to 7, a coil disc 1 according to an embodiment of the present invention is shown in the drawings. Since the main utility model of the present invention is the improvement of the coil disk 1, the coil disk 1 will be mainly described below with reference to the specific drawings.

Referring to fig. 1, the coil panel 1 provided by the present invention includes a panel seat 100, a coil winding 200 and an adjusting portion 300, wherein the panel seat 100 is provided with an installation position 101 for installing a temperature sensing device 600; the coil winding 200 is arranged on the disc seat 100; the adjusting portion 300 is disposed on the tray 100, and the adjusting portion 300 is used for weakening a magnetic field distributed from the coil winding 200 toward the mounting location 101.

In the technical scheme provided by the utility model, the mounting position 101 indicates the accurate position of the temperature sensing device 600; the coil winding 200 is arranged on the tray 100, and can form a magnetic field and a thermal field on the tray 100, so that the purpose of heating the inner pot is achieved; the adjusting part 300 is disposed on the base 100, and can reduce or even completely isolate the magnetic field generated by the coil winding 200 from being distributed toward the mounting location 101, thereby helping to weaken the influence of the magnetic field and/or thermal field generated by the coil winding 200 on the temperature sensing device 600 itself, making the temperature value measured by the temperature sensing device 600 closer to the actual temperature value of the inner pot, helping to improve the temperature sensing accuracy of the temperature sensing device 600, and optimizing the temperature sensing effect of the temperature sensing device 600.

Of course, the present invention can also provide a coil panel 1, which comprises a panel base 100, a coil winding 200, an adjusting portion 300 and a temperature sensing device 600, wherein the panel base 100 is provided with an installation position 101, and the temperature sensing device 600 is installed on the installation position 101 for sensing the temperature of the inner pot; the coil winding 200 is arranged on the disc seat 100; the adjusting portion 300 is disposed on the tray 100, and the adjusting portion 300 is used for weakening a magnetic field distributed from the coil winding 200 toward the mounting location 101.

It is understood that the tray base 100 has a first side and a second side which are oppositely disposed, wherein the second side is disposed near the inner pan, can directly abut against the inner pan, and can maintain a certain distance from the inner pan.

The specific expression of the temperature sensing device 600 is not limited, and may be any device that can be used for sensing the temperature of the inner pot. It is understood that the temperature sensing device 600 has at least a sensing end, which can sense and obtain the temperature of the inner pot when the sensing end is in contact with the inner pot, for example. At least the sensing end of the temperature sensing device 600 is exposed to the second side of the disk seat 100. Specifically, the temperature sensing device 600 may be directly mounted on the second side of the disk seat 100 as a whole, or the sensing end may be provided to extend from the first side of the disk seat 100 to the second side of the disk seat 100.

The mounting locations 101 are formed on the tray 100. It is understood that the mounting position 101 may be formed at any position of the seat 100, so that when the temperature sensing device 600 is mounted to the mounting position 101, the temperature can be measured at the position according to actual requirements.

The installation site 101 may take any form: specifically, the installation position 101 may be used to indicate a specific installation area of the temperature sensing device 600, and based on this, the installation position 101 may be marked by any suitable identifier, such as characters, graphics, color blocks, and the like. Of course, the mounting location 101 may also be used to limit the mounting of the temperature sensing device 600, based on which, the mounting location 101 may be set differently according to different mounting manners of the temperature sensing device 600, for example, when the temperature sensing device 600 is fixed on the disk seat 100 by fastening, the mounting location 101 may be defined by a groove-shaped structure or a hole-shaped structure (e.g., the mounting hole 102) opened on the disk seat 100; when the temperature sensing device 600 is fixed on the seat 100 by means of adhesive, the mounting position 101 may be defined by an adhesive layer disposed on the seat 100, which will not be described in detail herein.

The coil winding 200 generates a high-frequency changing magnetic field after alternating current is applied, and then generates heat to the metal inner pot in the changing magnetic field through an eddy current effect. The coil windings 200 may be disposed on the first side and/or the second side of the tray 100 according to actual needs. Specifically, the coil winding 200 may be disposed only on the second side of the tray 100 to reduce the distance between the coil winding 200 and the inner pan; or, the coil winding 200 may be disposed only on the first side of the tray 100, in this case, the tray 100 separates the coil winding 200 from the inner pot, so that the coil winding 200 and the inner pot can be better protected; alternatively, the coil winding 200 may be disposed partially on the first side of the tray 100 and partially on the second side of the tray 100 according to the requirements of the application.

The coil winding 200 may be wound into a disk shape by other devices and fixed, and then mounted on the disk base 100 by means of, for example, bonding and fixing; alternatively, referring to fig. 2 to 4 or fig. 5 to 7, in an embodiment, the coil panel 1 further includes a support structure defining a winding slot for winding the coil winding 200.

In particular, the bracket structure may define the winding slot that is laterally open. It is understood that the lateral direction may be a side toward the middle of the tray 100, or a side toward the periphery of the tray 100. However, in order to facilitate the winding of the coil winding 200, in the following embodiments, the notch of the winding slot is directed toward the periphery of the tray 100. With such an arrangement, the wire can be sequentially wound from the periphery of the coil base 100 to the middle of the coil base 100, and is a plurality of coils of windings which are compact and have a large coverage area, so that the coil winding 200 is formed, and the coil winding has the characteristics of simple structure and convenience in operation.

It is understood that at least a portion of the support structure can define at least two winding slots, and the at least two winding slots can be sequentially arranged along the first side of the tray 100, so that the number of the winding-formed coil winding 200 is at least two; of course, at least two winding slots may be stacked in a direction close to and away from the tray 100, so that at least two layers of the coil winding 200 can be wound and formed at least in a part of the tray 100. The coil windings 200, which are arranged in multiple layers, can enhance the magnetic field and the thermal field strength of the coil disk 1 at the corresponding positions.

Of course, the number of layers of the coil winding 200 needs to be set within a proper range, which is not suitable for setting too many layers, and the coil winding 200 with more layers has a limited effect of enhancing the magnetic field and the thermal field, and is easy to increase the cost and the structural complexity. Therefore, in the present embodiment, the coil winding 200 may be provided in two layers at least at a portion.

As described above, the tray 100 may be disposed in a flat shape, that is, the tray 100 may have a substantially disk shape, and the coil winding 200 may be disposed at the bottom of the tray 100.

Alternatively, the disk holder 100 may be configured in a concave manner, i.e., the disk holder 100 is configured to protrude outward from the periphery to the center thereof. It should be noted that the protruding arrangement may be gradually convex, for example, the outer side surface and/or the inner side surface of the disk seat 100 may be convex arc surface shaped or substantially conical surface shaped with a plurality of edges.

Of course, the protruding arrangement can also be represented as: the disk seat 100 has a seat bottom 110 and a seat side 120 formed by bending and extending from the periphery of the seat bottom 110, wherein the seat bottom 110 may be a flat surface, or may be an arc surface, and the arc surface may be a convex arc surface protruding outward or a concave arc surface recessed inward.

It will be appreciated that the tray 100, when in a concave arrangement, can adapt to the shape of the inner pan. The coil winding 200 includes a bottom winding 210 disposed on the base bottom 110 and a side winding 220 disposed on the base side 120. Specifically, when the inner pot is placed in the concave portion of the tray base 100, the tray base bottom 110 corresponds to the bottom of the inner pot, and the tray base side 120 corresponds to the side of the inner pot, so that the bottom winding 210 can heat the bottom of the inner pot, and the side winding 220 can heat the side of the inner pot, thereby expanding the heated area range of the inner pot, and contributing to improving the heating effect of food to be cooked.

Correspondingly, the supporting structure may also be configured to include a first support 510 and a second support 520, where the first support 510 is disposed on the tray bottom 110, the first support 510 defines a first winding slot 510a, and the first winding slot 510a is used for the bottom winding 210 to wind; and/or the second bracket 520 is disposed on the seat side 120, the second bracket 520 defines a second winding slot 520a, and the second winding slot 520a is used for the side winding 220 to wind around.

The support structure is divided into the first support 510 and the second support 520, so that the winding forming processes of the bottom winding 210 and the side winding 220 are independent of each other, a magnetic field and a thermal field can be formed at the tray bottom 110 and the tray side 120 respectively, and uniform and comprehensive heating of the inner pot is facilitated.

In an embodiment, the first support 510 includes a first arm 511, and one end of the first arm 511 is connected to a middle portion of the base bottom 110, and the other end extends toward a periphery of the base bottom 110 to define a first winding slot 510a with the base bottom 110.

Specifically, one end of the first arm 511 is connected to a position near the middle of the tray bottom 110, protrudes in a direction away from the main body of the tray 100, and extends toward the periphery of the tray bottom 110 so as to be spaced from the tray bottom 110, and the spaced position constitutes the first winding groove 510 a.

The shape of the first arm 511 is adapted to the shape of the tray bottom 110 at the position, so that the first winding groove 510a is formed to have a substantially uniform groove width along the groove depth direction, thereby generating a uniform pressing effect on the bottom winding 210 when the bottom winding 210 is wound.

It can be understood that the first arm 511 may be continuously disposed in one along the circumferential direction of the base bottom 110, in this case, the first arm 511 is substantially disc-shaped, and the first winding groove 510a is formed substantially ring-shaped; of course, the first support arm 511 may be provided in a plurality of discontinuous shapes along the circumferential direction of the tray bottom 110, which is helpful for saving materials and has a certain heat dissipation effect.

In an embodiment, the second bracket 520 includes a second leg 521, and one end of the second leg 521 is connected to a portion of the seat side 120 near the seat bottom 110, and the other end extends toward the periphery of the seat side 120 to define the second winding groove 520a with the seat side 120.

Specifically, one end of the second arm 521 is connected to a portion of the seat side 120 close to the seat bottom 110, and extends toward the periphery of the seat side 120 after protruding in a direction away from the body of the seat 100, so as to be spaced apart from the seat side 120, and the spaced portion constitutes the second winding groove 520 a.

The shape of the second arm 521 is adapted to the shape of the side portion 120 of the seat at the position, so that the second winding groove 520a is formed to have a substantially uniform groove width along the groove depth direction, thereby generating a uniform pressing effect on the side winding 220 when the side winding 220 is wound.

It is understood that the second arm 521 may be continuously disposed in one along the circumferential direction of the tray side portion 120, in this case, the second arm 521 is substantially disc-shaped, and the second winding groove 520a is formed substantially ring-shaped; of course, the second arm 521 may be provided in a plurality of discontinuous shapes along the circumferential direction of the tray side portion 120, which is helpful for saving materials and has a certain heat dissipation effect.

In addition, in an embodiment, when the second arm 521 is disposed in a block shape, for example, a groove is disposed on a side of the second arm 521 facing away from the seat side 120. It can be understood that the second arm 521 arranged in a block shape can provide sufficient strength, but is formed with a thicker thickness, which easily affects the uniformity of the magnetic field and the thermal field of the side winding 220, so that a groove can be further provided on the side of the second arm 521 opposite to the side portion 120 of the disk seat, and the arrangement of the groove also facilitates the injection molding of the second arm 521 arranged in a block shape, thereby improving the molding quality of the second arm 521 during the injection molding process.

Alternatively, in an embodiment, when the second arm 521 is disposed in a plate shape, for example, a reinforcing rib is protruded from a side of the second arm 521 facing away from the seat side 120. It can be understood that the second arm 521 disposed in a plate shape is easier to be injection molded, but has insufficient strength, and therefore, a rib may be further protruded on a side of the second arm 521 opposite to the side portion 120 of the base, and the rib is used to improve the strength of the second arm 521. The reinforcing ribs may be arranged to extend in a direction close to and away from the tray bottom 110, and the number of the reinforcing ribs may be one or more, wherein when the number of the reinforcing ribs is plural, the plural reinforcing ribs are arranged side by side.

Next, in one embodiment, the second arm 521 is inclined away from the seat side 120 in a direction close to the notch of the second winding groove 520 a. The second arm 521 arranged obliquely can guide the wire entering the second winding groove 520a, so that the side winding 220 can be wound and formed more easily; and, the first slot wall is obliquely arranged near the slot opening, so that the slot width of the portion of the second winding slot 520a for pressing the side winding 220 is not affected to be consistent, and the limiting effect of the second winding slot 520a on the side winding 220 is still ensured.

In view of the above, the coil winding 200 generates a magnetic field that changes at a high frequency when an alternating current is applied. At least part of magnetic lines of the magnetic field are distributed towards the position of the installation position 101; the adjusting portion 300 is disposed on the disk seat 100, and is located on a path of the magnetic force lines distributed toward the mounting location 101, and is used for performing operations such as shielding, absorbing or eliminating the magnetic force lines to a required degree, so that after passing through the adjusting portion 300, the magnetic force lines continuously distributed toward the mounting location 101 are significantly reduced, the magnetic field is significantly weakened or completely shielded and eliminated.

Further, in an embodiment, the bottom winding 210 is distributed on the tray bottom 110 in a distributed manner, so that a plurality of heating regions are formed on the tray bottom 110, and the bottom of the inner pot can be heated in a partitioned manner; and/or the side winding 220 is distributed on the tray side 120 in a distributed manner, so that the tray side 120 is provided with a plurality of heating regions, and the inner pot side can be heated in a partition manner.

Of course, in an embodiment, the bottom winding 210 and the side winding 220 are independent of each other, and can be controlled independently to realize independent operation; alternatively, the bottom winding 210 and the side winding 220 are connected in series or in parallel.

Based on the above, when the coil disk 1 is configured in a concave shape and is formed with the disk seat bottom 110 and the disk seat side 120, the mounting positions 101 may be configured on the disk seat bottom 110 and/or the disk seat side 120 according to actual requirements.

No matter what state or quantity of the food material to be cooked in the inner pot is, the food material is necessarily contacted with the bottom of the inner pot and heated. Therefore, in practical applications, the mounting location 101 may be disposed at the base bottom 110 and near the middle of the bottom winding 210.

For the sake of understanding, in the following embodiments, the installation site 101 is disposed in the middle of the tray bottom 110.

Referring to fig. 1, in an embodiment, the coil winding 200 includes a first winding 201, and it is understood that the first winding 201 may be any portion of the coil winding 200 that may thermally affect the mounting location 101, but it is understood that, in the coil winding 200, the closer to the mounting location 101, the coil winding 200 may generally generate a magnetic field and/or a thermal field that has a greater influence on the mounting location 101, and therefore, in the following embodiments, the first winding 201 may be exemplified as a portion of the coil winding 200 that is adjacent to the mounting location 101. For example, when the tray 100 is arranged in a concave shape and the mounting site 101 is arranged in the middle of the tray bottom 110, at least the portion of the bottom winding 210 near the mounting site 101 constitutes the first winding 201.

The first winding 201 is disposed in an inclined manner in a direction gradually away from the disk seat 100 in a direction away from the mounting position 101. In this way, the vertical direction of the first winding 201 is deviated from the mounting position 101, that is, at least a part of the magnetic field generated by the first winding 201 does not pass through the mounting position 101 when passing through the disk seat 100 at the position vertically, and the sensing end of the temperature sensing device 600 at the mounting position 101 is not affected. Therefore, the first winding 201, which is provided obliquely, performs a damping function of the adjustment unit 300, and constitutes the adjustment unit 300.

Further, in an embodiment, an angle between the inclined direction of the first winding 201 and the mounting position 101 is greater than 90 °. It can be understood that when the included angle between the inclination direction of the first winding 201 and the mounting location 101 is smaller than 90 °, the magnetic lines of force generated by the first winding 201 converge toward the mounting location 101, and on the contrary, the magnetic field distribution at the mounting location 101 is increased, which adversely affects the temperature sensing device 600 at the mounting location 101. When the included angle between the inclination direction of the first winding 201 and the mounting location 101 is equal to 90 °, a part of the magnetic lines of force generated by the first winding 201 will still pass through the mounting location 101, and the temperature sensing device 600 at the mounting location 101 is also easily affected.

In this embodiment, when the included angle between the inclination direction of the first winding 201 and the mounting position 101 is set to be greater than 90 °, absorption of the vertical magnetic field generated by the first winding 201 by the sensing terminal of the temperature sensing device 600 on the mounting position 101 during the operation of the coil panel 1 can be reduced, so that heat generation at the sensing terminal can be reduced, and the detection accuracy of the temperature sensing device 600 can be improved.

Furthermore, in an embodiment, the coil winding 200 comprises a first winding 201 disposed adjacent to the mounting location 101, similarly as described above; the adjusting portion 300 includes a shielding protrusion 301, and the shielding protrusion 301 is protruded between the first winding 201 and the mounting location 101 to at least partially block a magnetic field distributed from the first winding 201 toward the mounting location 101.

Specifically, referring to fig. 2 to 4, in an embodiment, when the coil panel 1 includes the first support frame 510, the first support frame 510 includes a plurality of first support arms 511, and the plurality of first support arms 511 are arranged at intervals along the middle portion of the chassis bottom 110, one ends of the plurality of first support arms 511 close to the chassis bottom 110 may be connected to form an integral structure. In this regard, the shielding protrusion 301 may be protruded between the first arm 511 and the mounting location 101, and may block or absorb the magnetic field generated by the bottom winding 210 and passing through the shielding protrusion.

The shielding protrusion 301 may be provided in a plurality corresponding to the plurality of first arms 511, or the shielding protrusions 301 may be annularly arranged along the circumferential direction of the mounting site 101.

Further, in an embodiment, the minimum distance between the shielding protrusion 301 and the first winding 201 is not more than 20 mm. It can be understood that, since the bottom winding 210 is arranged in a ring shape approximately along the middle of the base bottom 110, the innermost ring of the bottom winding 210 is left with a blank space without a conducting wire wound thereon, and when the minimum distance between the shielding protrusion 301 and the first winding 201 is larger, the area of the blank space is increased to a certain extent, so that the arrangement area of the bottom winding 210 is reduced on the limited plate surface of the coil panel 1, and the magnetic field and thermal field effects of the bottom winding 210 are reduced.

Referring to fig. 5 to 7, in an embodiment, a mounting hole 102 is formed through the tray 100 along a thickness direction thereof, and the mounting hole 102 forms the mounting position 101; the coil panel 1 further includes a temperature sensing portion 400, and the temperature sensing portion 400 covers the hole of the mounting hole 102 to abut between the sensing end of the temperature sensing device 600 and the inner pot. The temperature sensing part 400 may be integrally provided with the sensing end of the temperature sensing device 600, or may be additionally installed at the sensing end of the temperature sensing device 600 when the temperature sensing device 600 is installed to the installation site 101.

The temperature sensing part 400 has a heat conduction function, so that when the temperature sensing part 400 is abutted between the inner pot and the sensing end, the heat of the inner pot can be transferred to the sensing end, and the sensing of the sensing end is facilitated. The temperature sensing unit 400 can protect the sensing end and the inner pot, and can limit and stop the installation of the temperature sensing device 600.

The temperature sensing part 400 may be in a plate shape, and the temperature sensing part 400 is directly covered on the opening of one side of the mounting hole 102 facing the inner pot; or, the temperature sensing part 400 may include a plate-shaped body, the plate-shaped body is covered on an opening of one side of the mounting hole 102 facing the inner pan, and a bending section is formed by bending and extending from the periphery of the mounting body in a direction away from the inner pan, and the bending section is inserted between the temperature sensing device 600 and the inner hole wall of the mounting hole 102, so as to enhance the stable mounting of the temperature sensing part 400 and the temperature sensing device 600.

Accordingly, the shielding protrusion 301 is spaced apart from the temperature sensing part 400. Specifically, when the temperature sensing unit 400 includes the plate-shaped body and the bending section, the shielding protrusion 301 is not abutted to the plate-shaped body and the bending section, so as to prevent heat generated at the shielding protrusion 301 from being transferred to the temperature sensing unit 400.

Furthermore, in an embodiment, the minimum distance between the shielding protrusion 301 and the periphery of the mounting position 101 is not less than 0.5mm, and not more than 5 mm. That is, when the temperature sensing part 400 includes the plate-shaped body and the bent section, the minimum distance between the shielding protrusion 301 and the bent section is not less than 0.5mm and not more than 5 mm. It can be understood that when the distance between the shielding protrusion 301 and the bent section is too small, the separation effect between the shielding protrusion 301 and the bent section is easily weakened, so that the heat generated at the shielding protrusion 301 can still be at least partially conducted to the temperature sensing part 400; on the contrary, when the distance between the shielding protrusion 301 and the bent section is too large, the area of the blank area is easily increased, so that the layout area of the bottom winding 210 is reduced on the limited board surface of the coil panel 1, and the magnetic field and thermal field effects of the bottom winding 210 are reduced.

In the above, the shielding protrusion 301 is made of a magnetic shielding material or a magnetic absorbing material. When the shielding protrusion 301 is made of a magnetic shielding material, such as iron, nickel, and alloys thereof, the magnetic field generated from the bottom winding 210 and distributed toward the mounting location 101 can be shielded outside the mounting location 101, so that the magnetic field passing through the mounting location 101 vertically can be reduced; when the shielding protrusion 301 is made of a magnetic absorption material, such as aluminum, the magnetic field generated from the bottom winding 210 and distributed toward the mounting location 101 can be absorbed, so that the magnetic field passing through the mounting location 101 vertically can be reduced.

The shielding protrusion 301 may be provided in any suitable shape or size according to actual needs, for example, in a plate shape, a block shape, and the like.

Further, in the above, at least a part of the support structure has magnetism. It will be appreciated that when the scaffold structure is provided as a unitary body, at least a portion of the scaffold structure is magnetic; when the support structure is provided in plurality, at least a portion of the support structure is magnetic. The magnetic property of the bracket structure is set, so that the magnet bracket or the assembly of the magnet structure and the magnet bracket is reduced and saved; meanwhile, the magnetism of the bracket structure can play a role in gathering magnetism, and a magnetic field formed by the coil windings 200 can be strengthened and homogenized, so that a strong thermal field can be generated for the inner pot.

There are various schemes for realizing the magnetic property of the bracket structure, for example, the material of the bracket structure can be modified to make the material have certain magnetic property; alternatively, the bracket structure may be provided with a mounting groove 512, and the mounting groove 512 is used for mounting an additionally provided magnet structure, so that the bracket structure is entirely magnetic. It should be noted that the magnet structure and the bracket structure may be integrally arranged, for example, in the process of injection molding the bracket structure, the magnet structure is directly wrapped inside the bracket structure; of course, the magnet structure may also be separated from the support structure, and the two structures are fixedly connected or detachably connected, wherein the detachable connection may be in various manners, such as adhesive fixation, fastening fixation, adsorption fixation, etc., without limitation.

Taking the case of mounting the magnet structure as an example, in this embodiment, both the first bracket 510 and the second bracket 520 can be used for mounting the magnet structure, and since the first winding slot 510a and the second winding slot 520a are both laterally opened, the bottom winding 210 and the side winding 220 can be tightly wound and formed, which is enough to form a strong magnetic field and a strong thermal field, and therefore, the first bracket 510 and the second bracket 520 can be alternatively used for mounting the magnet structure.

In addition, the utility model also provides an electromagnetic cooking appliance, which comprises the coil panel 1 and the temperature sensing device 600. It should be noted that, for the detailed structure of the coil panel 1 in the electromagnetic cooking appliance, reference may be made to the above-mentioned embodiment of the coil panel 1, and details are not described herein again; since the coil panel 1 is used in the electromagnetic cooking appliance of the present invention, the embodiment of the electromagnetic cooking appliance of the present invention includes all technical solutions of all embodiments of the coil panel 1, and the achieved technical effects are also completely the same, and are not described herein again.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A coil disc, comprising:

2. The coil disk as claimed in claim 1, wherein said coil winding includes a first winding, said first winding being disposed obliquely in a direction gradually away from said disk seat in a direction away from said mounting position;

wherein the first winding set obliquely constitutes the regulating portion.

3. Coil disc according to claim 2, characterized in that the angle between the direction of inclination of the first winding and the mounting location is greater than 90 °.

4. The coil disk of claim 1, wherein the coil winding comprises a first winding;

5. The coil disk as claimed in claim 4, wherein said shielding projection is made of a magnetic shielding material or a magnetic absorbing material.

6. The coil disk according to claim 4, wherein the disk holder is provided with mounting holes extending therethrough in a thickness direction thereof, the mounting holes constituting the mounting locations;

the shielding bulge and the temperature sensing part are arranged at intervals.

7. Coil disk according to one of claims 2 to 6, characterized in that the first winding is arranged adjacent to the mounting location.

8. The coil disk as claimed in claim 1, wherein the coil disk is arranged in a concave shape to form a disk seat bottom and a disk seat side;

9. The coil disk as claimed in claim 8, wherein said coil disk further comprises:

10. The coil disk as claimed in claim 9, wherein said first support includes a first arm, one end of said first arm is connected to a middle portion of said disk seat bottom, and the other end extends toward a periphery of said disk seat bottom to define said first winding groove with said disk seat bottom.

11. The coil disk as claimed in claim 9, wherein said second support frame includes a second arm, one end of said second arm being connected to a portion of said disk seat side portion near said disk seat bottom, and the other end thereof extending toward a periphery of said disk seat side portion to define said second winding groove therebetween.

12. The coil disk as claimed in claim 9, wherein the first support or the second support has magnetism.

13. An electromagnetic cooking appliance, comprising:

a temperature sensing device; and the number of the first and second groups,

coil disk according to one of claims 1 to 12.