CN219981079U

CN219981079U - Electromagnetic cooking utensil

Info

Publication number: CN219981079U
Application number: CN202321474022.2U
Authority: CN
Inventors: 朱泽春; 李斌; 金立旺; 吴朝超
Original assignee: Joyoung Co Ltd
Current assignee: Joyoung Co Ltd
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2023-11-07
Anticipated expiration: 2033-06-08

Abstract

The utility model discloses an electromagnetic cooking utensil, which comprises a wire coil frame, an electromagnetic coil wound on the wire coil frame and an infrared temperature sensor positioned below the electromagnetic coil, wherein a dustproof column which extends downwards to be abutted against the infrared temperature sensor is formed on the wire coil frame, and the inside of the dustproof column is hollow to form a light guide channel. According to the utility model, the dustproof column and the wire coil frame are integrally formed, so that a positioning structure for installing the dustproof column is additionally arranged on the wire coil frame, the structural design of the wire coil frame is simplified, and the increase of assembly procedures caused by the fact that the dustproof column and the wire coil frame are assembled after being formed in a split manner is avoided. The dustproof column is abutted against the infrared temperature measuring sensor to cover the infrared temperature measuring sensor, so that protection is formed on the infrared temperature measuring sensor, the influence of dirt on the infrared temperature measuring sensor is avoided, and the accuracy of temperature measurement is ensured.

Description

Electromagnetic cooking utensil

Technical Field

The utility model belongs to the technical field of kitchen appliances, and particularly relates to an electromagnetic cooking appliance.

Background

The temperature measuring technology of the existing electromagnetic oven mostly adopts the technology that a temperature measuring element is arranged on the lower surface of a panel, in the using process, a cooker is arranged on the panel, the bottom of the cooker is directly contacted with the panel, when an electromagnetic wire generated by an electromagnetic coil below the panel passes through the cooker made of ferromagnetic materials, eddy current is generated at the bottom of the cooker to generate heat, the temperature measured by the temperature measuring element is the temperature generated by the bottom of the cooker after the heat is conducted by the panel, and the temperature measuring mode has the following defects: the temperature measurement has the delay, because the material of panel is mostly microcrystalline glass panel, and the thermal conductivity is poor, just is detected by the temperature measuring element after the heat that the pan bottom produced is transmitted through the panel that the thermal conductivity is poor for the temperature change that the temperature measuring element gathered is great for the actual temperature change error of pan bottom, thereby leads to the temperature measurement inaccuracy.

In order to solve the problem of inaccurate temperature measurement of contact heat transfer, part of electromagnetic ovens adopt an infrared temperature measuring sensor to measure temperature. In the actual use process, in order to reduce the influence of the interference of ambient light, electromagnetism and the like on the infrared temperature sensor, other accessories are arranged on the existing electromagnetic oven except for the infrared sensor so as to reduce interference factors as much as possible. For example, the prior art discloses an infrared temperature measuring device of an induction cooker, which comprises a cooker panel, a coil panel, an infrared sensor positioned below the panel and used for detecting infrared rays emitted by a cooker and penetrating through the cooker panel, a shielding box used for accommodating the infrared sensor and shielding light interference, a light guide sleeve used for providing a light guide channel between the infrared sensor and the cooker panel, a light filter positioned between the bottom of the light guide sleeve and the infrared sensor and only allowing infrared rays with specific wavelength to penetrate, a main control circuit board and a base for receiving output signals of the infrared sensor to control the power of the coil panel, wherein the light guide sleeve and the light filter are integrally formed by materials capable of penetrating through infrared light, a shading layer is further coated on the side wall of the light guide sleeve, the upper part of the light guide sleeve is clamped in the center position of the coil panel or a gap of each heating area of the coil panel, and the lower end part of the light guide sleeve is settled in an infrared sensor window at the top of the shielding box and is tightly connected with the shielding box. This electromagnetism stove realizes the shielding to ambient light through the light guide sleeve, however, coil panel and the shielding box of electromagnetism stove all need design the mounting structure who matches with the light guide sleeve, have not only increased the structural design's of coil panel complexity, have increased the assembly process moreover, and the light guide sleeve's design has also increased the demand to the inside installation space of electromagnetism stove, is unfavorable for the frivolous design of electromagnetism stove.

In addition, in the existing induction cooker, the infrared sensor is mostly exposed in the body of the induction cooker, and the risk of inaccurate temperature measurement caused by the fact that the infrared probe is covered by dirt exists when the induction cooker is used for a long time.

Disclosure of Invention

The utility model provides an electromagnetic cooking utensil, which aims to solve the problem that an infrared sensor is exposed to cause interference of ambient light and inaccurate temperature measurement caused by dirty coverage of an infrared probe in the temperature measurement process.

The technical scheme adopted by the utility model is as follows:

the utility model provides an electromagnetic cooking utensil, includes the wire coil frame, winds locates the solenoid of wire coil frame, and be located the infrared temperature sensor of solenoid below, the wire coil frame shaping has downwardly extending in order with infrared temperature sensor support the dustproof post that leans on, the inside cavity of dustproof post is in order to form the light guide channel.

The electromagnetic cooking appliance in the utility model further comprises the following additional technical characteristics:

the infrared temperature measurement sensor comprises an infrared probe for receiving infrared rays, and at least part of the area of the infrared probe stretches into the light guide channel.

The inner diameter of the lower portion of the light guide channel is gradually reduced to form a converging section.

The light guide channel is provided with an extension section communicated with the converging section, and the inner diameter of the extension section is consistent from top to bottom.

The dustproof column is arranged in the central area of the wire coil frame.

The central axis of the dustproof column is arranged in a dislocation mode with the central axis of the wire coil frame, so that the dustproof column is eccentrically arranged on the wire coil frame.

The wire coil frame is provided with a plurality of dustproof columns, the dustproof columns surround the center of the wire coil frame and are uniformly distributed at equal angles, the electromagnetic cooking utensil comprises a plurality of infrared temperature measuring sensors, and one infrared temperature measuring sensor corresponds to one dustproof column.

The electromagnetic cooking utensil further comprises a panel, and the top end surface of the dustproof column abuts against the bottom end surface of the panel.

The electromagnetic cooking utensil still includes the base, the drum frame install in the base, the base still is equipped with and is used for installing infrared temperature sensor's reference column.

The electromagnetic cooking utensil further comprises an outer container and an inner container which is arranged in the outer container in a removable mode, a supporting piece used for supporting the inner container is arranged at the bottom of the outer container, and the top end face of the dustproof column abuts against the bottom end face of the supporting piece.

By adopting the technical scheme, the utility model has the following beneficial effects:

1. the infrared temperature measuring sensor is positioned below the wire coil rack, so that electromagnetic interference of an electromagnetic coil can be greatly reduced in the operation process of the electromagnetic cooking utensil, and the accuracy of temperature measurement is improved. The wire coil frame is provided with the dustproof column which extends downwards to be abutted against the infrared temperature sensor, the inside of the dustproof column is hollow to form the light guide channel, and the dustproof column and the wire coil frame are integrally formed, so that a positioning structure for installing the dustproof column is additionally arranged on the wire coil frame, the structural design of the wire coil frame is simplified, the increase of assembly procedures caused by assembly after the dustproof column and the wire coil frame are separately formed is avoided, the compactness of the structure is improved, the requirement on an installation space is greatly reduced, and the miniaturization of an electromagnetic cooking appliance is facilitated. The dustproof column is abutted against the infrared temperature measuring sensor to cover the infrared temperature measuring sensor, so that protection is formed on the infrared temperature measuring sensor, pollution to the infrared temperature measuring sensor is avoided, and the accuracy of temperature measurement is guaranteed.

2. As a preferred implementation mode of the utility model, at least part of the area of the infrared probe of the infrared temperature measurement sensor stretches into the light guide channel, so that interference of ambient light on light collection of the infrared probe is avoided in the temperature measurement process, dissipation of infrared is reduced, infrared can be received by the infrared probe through the light guide channel in the operation process of the electromagnetic cooking appliance, and accuracy of temperature measurement is improved. And at least partial region of the infrared probe stretches into the light guide channel, so that the light guide channel can protect the infrared probe, impurities, dirt and the like are prevented from adhering to the infrared probe, and the accuracy of temperature measurement is ensured.

Furthermore, the inner diameter of the lower part of the light guide channel is gradually reduced to form a converging section, so that infrared rays are collected and gathered, as much as possible of the infrared rays are received and collected by the infrared probe, and the timeliness and the accuracy of temperature measurement are ensured.

3. As a preferred embodiment of the utility model, the dustproof column is arranged in the central area of the wire coil frame, the infrared temperature measuring sensor is arranged below the wire coil frame to collect the temperature of the central area of the bottom of the cooker, and in the use process, the temperature of the bottom of the cooker is quickly raised, the infrared temperature measuring sensor can be used for quickly feeding back the temperature, and the electromagnetic cooking appliance can be correspondingly adjusted according to temperature signals in time.

4. As a preferred embodiment of the utility model, the electromagnetic cooking device comprises a panel, the top end surface of the dustproof column is propped against the bottom end surface of the panel, so that impurities and the like entering the interior of the electromagnetic cooking device are prevented from entering the interior of the light guide channel through a gap between the dustproof column and the panel, the interference of the impurities and external ambient light on the infrared temperature measuring sensor is avoided, and the accuracy of temperature measurement of the infrared temperature measuring sensor is improved.

5. As a preferred embodiment of the utility model, the electromagnetic cooking utensil comprises the outer container and the inner container, the outer container is provided with the supporting piece for supporting the inner container, the top end face of the dustproof column is propped against the bottom end face of the supporting piece, so that impurities and the like entering the interior of the electromagnetic cooking utensil are prevented from entering the interior of the light guide channel through a gap between the dustproof column and the supporting piece, the interference of the impurities and external ambient light on the infrared temperature sensor is avoided, and the accuracy of temperature measurement of the infrared temperature sensor is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is an exploded view of an electromagnetic cooking device according to an embodiment of the present utility model;

fig. 2 is a perspective view of one embodiment of a wire coil rack according to the present utility model;

FIG. 3 is a cross-sectional view of an electromagnetic cooking device according to an embodiment of the present utility model;

fig. 4 is an enlarged view of a portion a of fig. 3.

Wherein,

1. a panel;

2. an upper cover;

3. the wire coil frame, 31, a dustproof column, 32, a light guide channel, 321, a converging section and 322, and an extending section;

4. an electromagnetic coil;

5. an infrared temperature measuring sensor, 51, an infrared probe and 52, a bracket;

6. and a lower cover.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below. It should be noted that, without conflict, embodiments of the present utility model and features in each embodiment may be combined with each other.

In addition, in the description of the present utility model, it should be understood that the terms "top", "bottom", "inner", "outer", "axial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1 to 4, an electromagnetic cooking appliance comprises a wire coil frame 3, an electromagnetic coil 4 wound on the wire coil frame 3, and an infrared temperature sensor 5 positioned below the electromagnetic coil 4, wherein the wire coil frame 3 is formed with a dust-proof column 31 extending downwards to be abutted against the infrared temperature sensor 5, and the inside of the dust-proof column 31 is hollow to form a light guide channel 32.

Compared with the technology of collecting temperature by adopting a thermistor and the like in the prior art in a contact manner, the temperature measuring device adopts the infrared temperature measuring sensor 5 to measure the temperature of the cooker, and reduces the influence of the ambient temperature on the infrared temperature measuring sensor 5 in a non-contact manner, so that the accuracy of temperature measurement is improved, the response speed of the infrared temperature measuring sensor 5 is faster, the sensitivity is higher, the current temperature of the cooker can be fed back in time, a temperature detection signal is provided for a control unit of the electromagnetic cooking appliance, and the control unit can respond in time conveniently, so that the cooking effect is improved.

The infrared temperature measuring sensor 5 is positioned below the electromagnetic coil 4, so that electromagnetic interference of the electromagnetic coil 4 can be greatly reduced and temperature measuring accuracy is improved in the running process of the electromagnetic cooking appliance. In addition, the wire coil frame 3 is formed with the dustproof column 31 which extends downwards to be abutted against the infrared temperature sensor 5, the inside of the dustproof column 31 is hollow to form the light guide channel 32, the dustproof column 31 and the wire coil frame 3 are integrally formed without adding accessories, so that a positioning structure for installing the dustproof column 31 is additionally arranged on the wire coil frame 3, the structural design of the wire coil frame 3 is simplified, the increase of assembly procedures caused by the fact that the dustproof column 31 and the wire coil frame 3 are assembled after being formed in a split mode is avoided, the compactness of the structure is improved, the requirement on installation space is greatly reduced, and the miniaturization of an electromagnetic cooking appliance is facilitated. The dustproof column 31 abuts against the infrared temperature sensor 5 to cover the infrared temperature sensor 5, so that protection is formed for the infrared temperature sensor 5, pollution to the infrared temperature sensor 5 is avoided, and accuracy of temperature measurement is guaranteed.

As a preferred embodiment of the present utility model, as shown in fig. 3 and 4, the infrared thermometry sensor 5 includes an infrared probe 51 for receiving infrared rays, at least a partial region of the infrared probe 51 protruding into the inside of the light guide channel 32.

At least partial area of the infrared probe 51 of the infrared temperature measurement sensor 5 stretches into the light guide channel 32, so that interference of ambient light to light collection of the infrared probe 51 in the temperature measurement process is avoided, dissipation of infrared rays is reduced, infrared rays can be received by the infrared probe 51 in a concentrated manner through the light guide channel 32 in the operation process of the electromagnetic cooking appliance, and accuracy of temperature measurement is improved. And at least partial region of the infrared probe 51 stretches into the light guide channel 32, so that the light guide channel 32 can protect the infrared probe 51, impurities, dirt and the like are prevented from adhering to the infrared probe 51, and the accuracy of temperature measurement is ensured.

Preferably, as shown in fig. 3 and 4, the infrared temperature sensor 5 further comprises a bracket 52 for mounting the infrared probe 51, the infrared probe 51 extends upwards to protrude from the bracket 52, the lower part of the dust-proof column 31 is abutted against the bracket 52, and the infrared probe 51 extends upwards into the light guide channel 32.

As a preferred example of the present embodiment, as shown in fig. 4, the inner diameter of the lower portion of the light guide channel 32 is gradually reduced to form a converging section 321. The setting of section 321 that receives, on the one hand can collect the infrared ray and gather, makes as much infrared ray by infrared probe 51 receiving as far as possible gather, has guaranteed the timeliness and the accuracy of temperature measurement, and on the other hand receives the drawing of patterns in the section 321's that receives setting up can make things convenient for drum frame 3 course of working, promotes drum frame 3 machine-shaping's qualification rate. Of course, the outer diameter of the portion of the wire coil frame 3 corresponding to the converging section 321 is not limited in this embodiment, and may be a necking structure with gradually decreasing outer diameter, or a columnar structure with vertically uniform outer diameter, and of course, other structural shapes may be adopted.

Further, as shown in fig. 4, the light guide channel 32 has an extension section 322 communicating with the converging section 321, and the inner diameter of the extension section 322 is consistent from top to bottom, so as to reduce reflection of infrared rays at the inner wall of the light guide channel 32 before the infrared rays are radiated to the infrared probe 51 as much as possible, thereby enabling the infrared probe 51 to receive as much infrared rays as possible in a unit time and improving response speed.

The present utility model is not limited to the position of the dust-proof column 31 on the wire coil 3, and any of the following embodiments may be adopted:

embodiment one: as shown in fig. 2 and 3, a dust-proof column 31 is provided in the central region of the wire coil 3. Further, the center axis of the dust-proof column 31 is arranged coaxially with the center axis of the wire coil frame 3.

In this embodiment, the dustproof column 31 is disposed in the central area of the wire coil rack 3, the infrared temperature sensor 5 is disposed below the wire coil rack 3 to collect temperature in the central area of the bottom of the pan, and in the use process, the temperature of the bottom of the pan rises rapidly, the temperature of the bottom of the pan is high, and the infrared temperature sensor 5 collects the temperature of the bottom of the pan, so that rapid feedback of the temperature can be realized, and the electromagnetic cooking appliance can make corresponding adjustment to the cooking program in time according to the temperature signal.

Embodiment two: the central axis of the dustproof column 31 is arranged in a dislocation manner with the central axis of the wire coil frame 3, so that the dustproof column 31 is eccentrically arranged on the wire coil frame 3.

In the second embodiment, the dustproof column 31 is located at one side of the center of the wire coil frame 3, so that temperature collection of one side of the bottom of the pan is realized, and the device is particularly suitable for realizing real-time feedback of the temperature of the pan by collecting the temperature of a non-central area of the bottom of the pan under the condition that the central area of the bottom of the pan is deformed due to high-temperature heating, and ensures the accuracy of temperature measurement.

Further, as a preferred example of the second embodiment, the wire coil frame 3 is provided with a plurality of dustproof columns 31, the dustproof columns 31 are uniformly distributed around the center of the wire coil frame 3 at equal angles, and the electromagnetic cooking device comprises a plurality of infrared temperature measuring sensors 5, and one infrared temperature measuring sensor 5 corresponds to one dustproof column 31. The embodiment realizes the multipoint temperature measurement of the peripheral area of the bottom of the pot around the central area of the pot, not only can further improve the temperature measurement precision through multipoint temperature acquisition, but also can acquire the temperature through the rest infrared temperature sensors 5 when one of the infrared temperature sensors 5 fails, and ensures the stability of temperature acquisition.

Embodiment III: the wire coil frame 3 is formed with a plurality of dustproof columns 31, wherein one dustproof column 31 is arranged in the central area of the wire coil frame 3 and is coaxially arranged with the wire coil frame 3, and the central axis of the remaining dustproof columns 31 is arranged with the central axis of the wire coil frame 3 in a staggered manner.

The present utility model is not limited to the structure of the electromagnetic cooking device, and any one of the following embodiments may be adopted:

embodiment four: as shown in fig. 3 and 4, the electromagnetic cooking device further includes a panel 1, and a top end surface of the dust-proof column 31 abuts against a bottom end surface of the panel 1. In order to avoid adverse effects on the operation of electronic components inside the electromagnetic cooking appliance caused by excessively high internal temperature in the operation process of the electromagnetic cooking appliance, an air inlet, an air outlet, a cooling fan and the like are arranged in the electromagnetic cooking appliance, and the cooling fan drives air flow disturbance in the operation process, so that external impurities, dirt and the like are likely to cover the infrared probe 51, the top end of the dustproof column 31 is abutted against the bottom end of the top panel 1, the lower part of the dustproof column 31 is abutted against the infrared temperature sensor 5, and therefore impurities entering the electromagnetic cooking appliance are prevented from adhering to the infrared probe 51 through a gap between the dustproof column 31 and the panel 1, and the interference of external environment light on the infrared temperature sensor 5 is avoided, and the temperature measurement accuracy of the infrared temperature sensor 5 is improved.

The fourth embodiment is not limited to the installation of the infrared temperature sensor 5, and any of the following examples may be adopted:

example 1: the electromagnetic cooking utensil still includes the base, and wire coil 3 installs in the base, and the base still is equipped with the reference column that is used for installing infrared temperature sensor 5.

Further, the base comprises an upper cover 2 and a lower cover 6, the panel 1 is mounted on the upper cover 2, the upper cover 2 is fixedly connected with the lower cover 6, the positioning column is arranged on the lower cover 6, and the positioning column and the lower cover 6 are integrally formed.

Example 2: the wire coil frame 3 is provided with a positioning structure which extends downwards to be used for installing the infrared temperature measuring sensor 5, so that the infrared temperature measuring sensor 5 can be positioned below the electromagnetic coil 4 after being installed, and the interference of electromagnetic generated in the electrifying operation process of the electromagnetic coil 4 on the infrared temperature measuring sensor 5 is reduced.

Fifth embodiment: the electromagnetic cooking utensil further comprises an outer container and an inner container which is arranged in the outer container in a removable way, wherein a supporting piece for supporting the inner container is arranged at the bottom of the outer container, and the top end face of the dustproof column 31 abuts against the bottom end face of the supporting piece.

In order to avoid adverse effects on the operation of electronic components inside the electromagnetic cooking utensil due to excessively high internal temperature in the operation process of the electromagnetic cooking utensil, an air inlet, an air outlet, a cooling fan and the like are arranged in the electromagnetic cooking utensil, and the cooling fan can drive air flow disturbance in the operation process, so that external impurities, dirt and the like are likely to cover the infrared probe 51, the top end of the dustproof column 31 is propped against the bottom end of the supporting piece, the lower part of the dustproof column 31 is propped against the infrared temperature sensor 5, impurities entering the interior of the electromagnetic cooking utensil are prevented from entering the interior of the light guide channel 32 through a gap between the dustproof column 31 and the supporting piece, the interference of external ambient light on the infrared temperature sensor 5 is avoided, and the temperature measurement accuracy of the infrared temperature sensor 5 is improved.

In either the fourth embodiment or the fifth embodiment, the source of the infrared ray received by the infrared temperature measurement sensor 5 is not limited:

in one embodiment, the infrared temperature sensor 5 is used for receiving infrared rays emitted by the cooker. For example, the panel 1 and/or the support member are/is provided with a through hole, a lens capable of transmitting infrared rays is arranged at the through hole, and the infrared rays emitted by the cooker when heated are received by the infrared temperature measuring sensor 5 through the lens. For another example, the panel 1 and/or the supporting member are made of materials capable of transmitting infrared rays, and the infrared rays emitted by the cooker when heated are received by the infrared temperature measuring sensor 5 through the panel 1 and the supporting member.

The utility model can be realized by adopting or referring to the prior art at the places which are not described in the utility model.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims

1. The utility model provides an electromagnetic cooking utensil, includes the wire coil frame, winds and locates the solenoid of wire coil frame, and be located the infrared temperature measurement sensor of solenoid below, its characterized in that, the wire coil frame shaping has downwardly extending in order with infrared temperature measurement sensor is the dustproof post that supports, the inside cavity of dustproof post is in order to form the light guide channel.

2. An electromagnetic cooking device according to claim 1, wherein,

3. An electromagnetic cooking device according to claim 1, wherein,

4. An electromagnetic cooking device according to claim 3, wherein,

5. An electromagnetic cooking device according to claim 1, wherein,

the dustproof column is arranged in the central area of the wire coil frame.

6. An electromagnetic cooking device according to claim 1, wherein,

7. An electromagnetic cooking device as claimed in claim 6, wherein,

8. An electromagnetic cooking device according to any one of claims 1 to 7, wherein,

9. An electromagnetic cooking device as claimed in claim 8, wherein,

10. An electromagnetic cooking device according to any one of claims 1 to 7, wherein,