CN219087339U

CN219087339U - Electromagnetic heating panel structure and cooking utensil

Info

Publication number: CN219087339U
Application number: CN202223154051.9U
Authority: CN
Inventors: 吴金华; 易亮; 张翼飞; 彭文斌; 刘博文
Original assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-05-26
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses an electromagnetic heating panel structure and a cooking utensil, wherein the electromagnetic heating panel structure comprises a panel and a coil winding, the panel is provided with a first side and a second side which are opposite, the second side of the panel is provided with a plurality of annular ribs which are arranged in an inner ring and an outer ring, the annular ribs define a plurality of annular grooves with notches which are arranged back to the panel, and the coil winding is wound in the annular grooves. The first side of panel can bear the weight of the cooking vessel, through will coil winding with the panel is connected as an organic wholely, need not to set up the coil panel alone and regard as the support, the installation of coil winding of being convenient for has compressed the holistic height after the two combine simultaneously, is favorable to thin flattening design.

Description

Electromagnetic heating panel structure and cooking utensil

Technical Field

The utility model relates to the technical field of cooking appliances, in particular to an electromagnetic heating panel structure and a cooking appliance.

Background

In household appliances, electromagnetic heating is almost entirely popular, and a coil panel for generating a magnetic field in a planar support plate for electromagnetic heating is generally an integral part which is separately arranged, is supported by a coil panel body serving as a base, and is fixed on the base together with other parts after being combined. The coil panel body is inconvenient to install, the technical problem of complicated procedures and high cost with the base is solved, and meanwhile, the whole occupied space is large.

Disclosure of Invention

The utility model mainly aims to provide an electromagnetic heating panel structure and a cooking utensil, which are characterized in that a coil winding is directly combined on a panel, so that the coil winding is convenient to install, and the combined overall height is compressed.

To achieve the above object, the present utility model provides a cooking appliance comprising:

a panel having opposite first and second sides, the second side of the panel being provided with a plurality of annular ribs disposed about an inner and outer ring, the plurality of annular ribs defining a plurality of annular grooves having notches disposed opposite the panel; the method comprises the steps of,

and the coil windings are wound in the annular grooves.

Optionally, the electromagnetic heating panel structure further includes:

the isolating plate is arranged on one side of the coil winding, which is away from the panel; the method comprises the steps of,

and the magnet structure is arranged on one side of the isolation plate, which is away from the panel.

Optionally, the isolation plate is adhered to the end surfaces of the plurality of annular ribs into a whole; and/or the number of the groups of groups,

the separator is bonded to the magnet structure as one body.

Optionally, the magnet structure comprises a plurality of magnetic strips arranged at intervals along the circumference of the coil winding.

Optionally, a plurality of mounting grooves for mounting the plurality of magnetic strips are concavely formed on one side of the isolation plate facing away from the panel, so that a plurality of convex parts are correspondingly formed on one side of the isolation plate facing towards the panel;

the free ends of the annular convex ribs are provided with matching grooves at positions corresponding to the convex parts so as to accommodate the corresponding convex parts.

Optionally, the thickness of the coil winding is H1, the depth of each matching groove is H2, and the depth of each annular groove is H3, wherein H1+H2 is more than or equal to H3.

Optionally, through holes are formed in the coil winding, the isolation plate and the middle part of the magnet structure, and a plurality of through holes jointly form a mounting channel;

the electromagnetic heating panel structure further comprises a temperature sensor, wherein the temperature sensor is arranged in the installation channel and is in contact with the panel.

Optionally, the material of the panel comprises a plastic material capable of withstanding electromagnetic heating.

Optionally, the material of the panel includes BMC (Bulk molding compounds) material or PPS (Polyphenylene sulfide) material.

The utility model also provides a cooking utensil, which comprises the electromagnetic heating panel structure, wherein the electromagnetic heating panel structure at least comprises:

and the coil windings are wound in the annular grooves.

Optionally, the cooking appliance is an induction cooker.

According to the technical scheme, the first side of the panel can bear a cooking container, the container can cook food or heat articles and can serve as a mounting matrix of the coil winding, the annular ribs are arranged on the second side of the panel, and the inner ring and the outer ring are concentrically arranged, so that the annular grooves can be defined for winding and mounting the coil winding, the coil winding and the panel are connected into a whole, a coil disc does not need to be arranged alone to serve as a support, the coil winding is conveniently mounted, the integral height after the coil winding and the coil winding are combined is compressed, and the thin and flat design is facilitated.

Reference numerals	Name of the name	Reference numerals	Name of the name
				1000	Cooking utensil	3	Partition board
100	Electromagnetic heating panel structure	31	Mounting groove
				1	Panel board	32	Convex part
1a	First side	4	Magnet structure
				1b	Second side	41	Magnetic stripe
11	Annular convex rib	5	Temperature sensor
				11a	Annular groove	200	Base seat
12	Matching groove	300	Circuit control board
				2	Coil winding	400	Heat radiation fan

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is an exploded perspective view of an embodiment of a cooking appliance according to the present utility model;

FIG. 2 is an exploded perspective view of the mating of the face plate, separator plate and magnetic stripe of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the mating of the faceplate and coil windings of FIG. 1;

fig. 4 is a perspective view of the separator shown in fig. 1.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the case where a directional instruction is involved in the embodiment of the present utility model, the directional instruction is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional instruction is changed accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

In view of this, the utility model provides an electromagnetic heating panel structure and a cooking utensil, which directly combine the coil winding on the panel, not only facilitate the installation of the coil winding, but also compress the combined whole height. Fig. 1 to 4 are embodiments of a cooking appliance provided by the present utility model.

Referring to fig. 1 to 3, the electromagnetic heating panel structure 100 includes a panel 1 and a coil winding 2, the panel 1 has a first side 1a and a second side 1b opposite to each other, a plurality of annular ribs 11 disposed on an inner ring and an outer ring are disposed on a surface of the second side 1b of the panel 1, the plurality of annular ribs 11 define a plurality of annular grooves 11a with notches facing away from the panel 1, and the coil winding 2 is wound in the plurality of annular grooves 11 a.

In the technical scheme of the utility model, the first side 1a of the panel 1 can bear a cooking container, the container can cook food or heat articles and can be used as an installation matrix of the coil winding 2, the plurality of annular ribs 11 are arranged on the second side 1b of the panel 1, and the inner and outer rings are concentrically arranged, so that the plurality of annular grooves 11a can be defined for winding and installing the coil winding 2, the coil winding 2 and the panel 1 are connected into a whole without a coil disc to be used as a support, the installation of the coil winding 2 is facilitated, and the integral height after the coil winding 2 and the coil winding are combined is compressed, thereby being beneficial to thin and flat design.

In order to realize the electromagnetic heating function of the electromagnetic heating panel structure 100, the electromagnetic heating panel structure 100 further comprises a separation plate 3 and a magnet structure 4, wherein the separation plate 3 is arranged on one side of the coil winding 2, which is away from the panel 1, and the magnet structure 4 is arranged on one side of the separation plate 3, which is away from the panel 1. The isolation plate 3 is used to separate the coil winding 2 and the magnet structure 4, and electromagnetic heating is achieved through interaction of electric current and magnetic field, it is understood that in this embodiment, the isolation plate 3, the magnet structure 4 and the coil winding 2 are all mounted in turn with the panel 1 as a support, and the stacking direction is a direction from the first side 1a to the second side 1 b.

In the present embodiment, the flat plate-like structure is provided along the panel 1, the first side 1a and the second side 1b are provided on opposite sides in the thickness direction thereof, and the coil winding 2, the separator 3, and the magnet structure 4 are all arranged along the thickness direction of the panel 1.

Furthermore, the isolation plate 3 is made of insulating material, and in this embodiment, mica sheets are selected and composed of polysilicone muscovite, quartz, garnet, rutile and the like.

The present utility model is not limited to the specific form of the magnet structure 4, in one embodiment, the magnet structure 4 is a flat ring-shaped magnet, which has a good shielding effect, and may be directly adhered to the separator 3 to be integrally connected with the separator 3, and in another embodiment, the magnet structure 4 includes a plurality of magnetic strips 41 arranged at intervals along the circumferential direction of the coil winding 2. At this time, the magnetic strips 41 are still adhered to the isolation board 3, so as to be integrally connected with the isolation board 3, and ensure the connection stability.

It can be appreciated that the isolation plate 3 may be directly in a sheet structure, and is adhered to the end surfaces of the plurality of annular ribs 11 into a whole, so as to facilitate installation and attachment.

It should be noted that, the end faces of the isolation board 3 and the annular ribs 11 are bonded into a whole, the isolation board 3 and the magnet structure 4 are bonded into a whole, these two technical features may be set at the same time or alternatively, in this embodiment, the magnet structure 4, the isolation board 3 and the annular ribs 11 are bonded into a whole, and double faced adhesive tape may be pre-adhered to achieve bonding.

In other embodiments, referring to fig. 4, in order to make the overall mechanism smaller in thickness, a plurality of mounting grooves 31 for mounting the plurality of magnetic strips 41 are concavely formed on a side of the partition board 3 facing away from the panel 1, so that a plurality of protruding portions 32 are correspondingly formed on a side of the partition board 3 facing the panel 1, and a mating groove 12 is formed at a position corresponding to the plurality of protruding portions 32 at a free end of each annular rib 11 for accommodating the corresponding protruding portion 32. At this time, the concave-convex structure is arranged on the isolation plate 3, the plurality of convex parts 32 are inserted into the matching grooves 12, at this time, a part of the isolation plate 3 is embedded and installed, the magnetic strips 41 are arranged in the plurality of installation grooves 31, so that the plurality of magnetic strips 41 can be partially positioned in the matching grooves 12 after being installed, and the whole thickness of the magnetic strips 41 is smaller after being installed.

It will be appreciated that the plurality of magnetic strips 41 may be completely embedded in the mounting groove 31, so that the end surfaces of the magnetic strips 41 corresponding to the isolation plate 3 are flush after being mounted, and the plurality of magnetic strips 41 may also be partially exposed out of the mounting groove 31, and the overall thickness of the stacked magnetic strips is still reduced. The plurality of protrusions 32 and the plurality of mounting grooves 31 may be integrally formed with the separator 3, so that the thicknesses of the protrusions 32 and the separator 3 need to be considered to avoid affecting the strength.

Specifically, at least a portion of the annular bead 11 is concavely disposed at an end portion facing away from the panel 1 to form a plurality of grooves distributed along a circumferential direction of the annular bead, each groove is disposed along two opposite side walls of the annular bead 11 in a radial direction and penetrates through the corresponding annular bead 11, and a mating groove 12 is defined by the plurality of grooves distributed along the same direction in the plurality of annular beads 11. That is, when each of the convex portions 32 is mounted, it is considered that each of the convex portions 32 has a certain length in the radial direction of the coil winding 2, and this arrangement can be simultaneously engaged with the plurality of annular beads 11 without causing interference or blocking.

When the annular grooves 11a are arranged, a certain margin is reserved generally so as to facilitate the installation of the coil winding 2, so that the arrangement of the matching grooves 12 can refer to the margin, the thickness of the coil winding 2 is H1, the depth of each matching groove 12 is H2, and the depth of each annular groove 11a is H3, wherein H1+H2 is more than or equal to H3. The depth of the mating groove 12 may be just set according to the design allowance, please refer to fig. 3, in which the depth of the mating groove 12 is just the depth of the annular groove 11a after being overlapped with the thickness of the coil winding 2, in which each protrusion 32 contacts with the bottom wall surface of the mating groove 12, and the mating groove 12 may be deeper, in which a part of the coil winding 2 is exposed in the mating groove 12 after being mounted, so that each protrusion 32 contacts with the coil winding 2 when being mounted. For example, the thickness of the coil winding 2 is 6mm, the depth of each annular groove 11a is 8mm, and the reserved allowance is 2mm, and the depth dimension of the matching groove 12 should meet that 8mm is equal to or larger than H2 is equal to or larger than 2mm.

Besides, through holes are formed in the middle of the coil winding 2, the isolating plate 3 and the magnet structure 4, a plurality of through holes jointly form a mounting channel, and the electromagnetic heating panel structure 100 further comprises a temperature sensor 5, wherein the temperature sensor 5 is arranged in the mounting channel and is in contact with the panel 1. The arrangement is such that the temperature sensor 5 and the other components do not interfere with each other, the temperature sensor 5 detecting the temperature of the panel 1 when it is electromagnetically heated.

Further, a plurality of annular protruding muscle can be processed alone, then paste according to the concentric requirement panel 1 the second side 1b, in this embodiment, panel 1's material is including the plastics material that can bear electromagnetic heating, can bear electromagnetic heating's plastics material effectively to bear higher pan temperature, and the durability is strong, and plastics material can direct injection moulding moreover, can be directly with a plurality of annular protruding muscle 11 integrated into one piece, and product cost is low, and machining efficiency is high, so need not to bond, can realize mass production.

It should be understood that the panel 1 may be integrally made of thermoplastic material, and may be divided into a table top made of glass material and a supporting portion made of thermoplastic material connected to the table top, where the table top is located on a first side 1a, and where the supporting portion is located on a second side 1b, which is not described in detail herein.

Further, the material of the panel 1 includes BMC (Bulk molding compounds, bulk molding compound) material or PPS (Polyphenylene sulfide ) material. In the embodiment of the utility model, the panel 1 is made of BMC material, and the BMC material has excellent electrical property, mechanical property, heat resistance and chemical corrosion resistance, is suitable for various molding processes, and can meet the requirements of various products on performance. It can be appreciated that the BMC material may implement performance parameters in different aspects according to different material ratios, and in this embodiment, the BMC material is preferably a material ratio adapted to the electromagnetic heating cooking appliance. In other embodiments, the panel 1 may be a PPS material, which is a novel high-performance thermoplastic resin, and has the advantages of high mechanical strength, high temperature resistance, chemical resistance, flame retardancy, good thermal stability, and good electrical properties, and the high temperature resistance of the PPS material may also be adapted to the requirements of the panel 1 in the present application.

The present utility model further provides a cooking appliance 1000, including the above electromagnetic heating panel structure 100, where the cooking appliance 1000 includes all the technical features of the above electromagnetic heating panel structure 100, so that the technical effects caused by all the technical features are also provided, and will not be repeated here.

Specifically, the cooking apparatus 1000 may be an induction cooker, an electric baking pan, etc., and in this embodiment, the cooking apparatus 1000 is an induction cooker.

In addition, the cooking apparatus 1000 further includes a base 200, the base 200 has a cavity with an opening at one side, a circuit control board 300 and a heat dissipation fan 400 are disposed in the cavity, the panel 1 is covered at the opening of the base 200, so that the coil winding 2 and the temperature sensor 5 are all disposed in the cavity, and the circuit control board 300 is electrically connected with the heat sink 400, the coil winding 2 and the temperature sensor 5.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. An electromagnetic heating panel structure, comprising:

and the coil windings are wound in the annular grooves.

2. The electromagnetic heating panel structure of claim 1, further comprising:

3. The electromagnetic heating panel structure of claim 2, wherein the separator is integrally bonded to the end surfaces of the plurality of annular ribs; and/or the number of the groups of groups,

the separator is bonded to the magnet structure as one body.

4. The electromagnetic heating panel structure of claim 2, wherein the magnet structure comprises a plurality of magnetic strips spaced apart along a circumference of the coil winding.

5. The electromagnetic heating panel structure of claim 4, wherein a side of the separator facing away from the panel is concavely formed with a plurality of mounting grooves for mounting the plurality of magnetic strips, such that a side of the separator facing the panel is correspondingly formed with a plurality of protrusions;

6. The electromagnetic heating panel structure of claim 5, wherein the coil winding has a thickness of H1, the mating grooves have a depth of H2, and the annular grooves have a depth of H3, wherein H1+H2 is greater than or equal to H3.

7. The electromagnetic heating panel structure of claim 2, wherein through holes are formed in the middle parts of the coil winding, the isolation plate and the magnet structure, and a plurality of through holes jointly form a mounting channel;

8. The electromagnetic heating panel structure of claim 1, wherein the material of the panel comprises a plastic material capable of withstanding electromagnetic heating.

9. The electromagnetic heating panel structure of claim 8, wherein the panel material comprises BMC (Bulk molding compounds) material or PPS (Polyphenylene sulfide) material.

10. A cooking appliance comprising an electromagnetic heating panel structure according to any one of claims 1 to 9.

11. The cooking appliance of claim 10, wherein the cooking appliance is an induction cooker.