CN218096076U

CN218096076U - Electromagnetic cooking device

Info

Publication number: CN218096076U
Application number: CN202222626917.5U
Authority: CN
Inventors: 冷芬勇; 吴志勇; 曾宪光; 李晓光; 何少华; 陈锦森; 孙建滨; 苏畅
Original assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2022-12-20
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses an electromagnetism culinary art device, include: stove panel, coil panel and temperature measuring device, coil panel set up in the below of stove panel, and temperature measuring device sets up the below of stove panel, and temperature measuring device includes: the temperature-sensing support arm comprises a heat conducting plate and a temperature sensor, wherein the heat conducting plate comprises a plurality of temperature-sensing support arms which are connected, one part of each temperature-sensing support arm is arranged at intervals with the rest temperature-sensing support arms, and the temperature sensor is used for detecting the temperature of the heat conducting plate. Through setting up the heat-conducting plate that has a plurality of temperature sensing support arms, with the heat direction temperature sensor of each position of kitchen panel, when a certain temperature of kitchen panel was too high, temperature sensor can detect the high temperature to start safety arrangement, promote electromagnetic cooking device's safety in utilization. The temperature measurement at multiple places can be realized by only arranging one temperature sensor, the detection accuracy of the temperature measurement device can be improved, the condition that the detection is inaccurate due to local heating of the cookware is avoided, and the production and manufacturing cost can be effectively reduced.

Description

Electromagnetic cooking device

Technical Field

The utility model belongs to the technical field of life electrical apparatus and specifically relates to an electromagnetism cooking device is related to.

Background

When the induction cooker works, naked fire is not generated, and the temperature of the panel of the machine body is conducted by the cooker on the panel, so that the induction cooker is generally provided with a temperature measuring device to automatically cut off power when the temperature of the cooker is overhigh. The induction cooker on the current market has two temperature measuring technologies on the temperature measuring technology: multipoint temperature measurement and single-point temperature measurement.

When the pot is locally heated, the temperature measurement is inaccurate, and potential safety hazards exist; the induction cooker product adopting multipoint temperature measurement needs to be provided with a plurality of temperature sensors, the production cost is increased, and the product cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide an electromagnetic cooking device, this electromagnetic cooking device can realize the multiple spot temperature measurement, promotes the safety in utilization to manufacturing cost is lower, and market competition is good.

According to the utility model discloses electromagnetic cooking device, include: the coil panel is arranged below the stove panel; the temperature measuring device sets up the below of kitchen panel, temperature measuring device includes: the temperature-sensing device comprises a heat conducting plate and a temperature sensor, wherein the heat conducting plate comprises a plurality of temperature-sensing support arms which are connected, one part of each temperature-sensing support arm is arranged at an interval with the rest temperature-sensing support arms, and the temperature sensor is used for detecting the temperature of the heat conducting plate.

According to the utility model discloses electromagnetic cooking device has the heat-conducting plate of a plurality of temperature sensing support arms through the setting, with the heat direction temperature sensor of each position of kitchen panel, when a certain high temperature of kitchen panel, temperature sensor can detect the high temperature to start safety arrangement, promote electromagnetic cooking device's safety in utilization. The temperature measurement at multiple places can be realized by only arranging one temperature sensor, the detection accuracy of the temperature measurement device can be improved, the condition that the detection is inaccurate due to local heating of the cookware is avoided, and the production and manufacturing cost can be effectively reduced.

In some embodiments, the first ends of the temperature sensing arms are spaced apart and the second ends of the temperature sensing arms are connected.

Optionally, the temperature sensor is configured to detect a temperature at a connection of the plurality of temperature sensing arms.

In some embodiments, the first ends of the temperature sensing arms are circumferentially and evenly spaced.

Specifically, the temperature sensing support arms are arranged vertically.

In some embodiments, each said temperature sensitive arm is formed as a straight arm.

In some embodiments, the temperature sensing arms are the same length.

In some embodiments, the heat-conducting plate is located between the coil disk and the cooktop plate, and a heat-insulating mat is disposed between the heat-conducting plate and the coil disk.

Specifically, the center of the heat insulation pad is provided with an avoidance hole, and the temperature sensor detects the temperature of the heat conduction plate through the avoidance hole.

Optionally, a fixing groove is opened at the center of the coil panel, and the temperature sensor is disposed in the fixing groove.

In some embodiments, the insulation mat is deformable, the insulation mat having a thickness m in the range of 1.5mm to 8mm.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an exploded view of an electromagnetic cooking apparatus according to an embodiment of the present invention;

fig. 2 is a sectional view of an electromagnetic cooking apparatus according to an embodiment of the present invention.

Reference numerals:

an electromagnetic cooking device 100,

A kitchen panel 1, a coil panel 2, a temperature measuring device 3, a heat conducting plate 31, a temperature sensing support arm 311, a connecting part 31a, a temperature sensor 32, a heat insulation pad 4, an upper cover 5, a middle frame 6, a base 7,

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.

In the description of the present invention, "a plurality" means two or more.

In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

An electromagnetic cooking apparatus 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 2.

According to the utility model discloses electromagnetic cooking device 100, include: stove panel 1, coil panel 2 and temperature measuring device 3, coil panel 2 sets up in the below of stove panel 1, and temperature measuring device 3 sets up the below of stove panel 1, and temperature measuring device 3 includes: the temperature sensing device comprises a heat conducting plate 31 and a temperature sensor 32, wherein the heat conducting plate 31 comprises a plurality of temperature sensing support arms 311 which are connected, one part of each temperature sensing support arm 311 is arranged at intervals with the rest temperature sensing support arms 311, and the temperature sensor 32 is used for detecting the temperature of the heat conducting plate 31.

The stove panel 1 is used for bearing the pot body, has characteristics such as intensity height, shock resistance and high temperature resistant, is provided with coil panel 2 below the stove panel 1, and coil panel 2 produces high frequency alternating magnetic field, and magnetic line of force pierces through the stove panel 1 and acts on the pot body, just produces powerful vortex because of electromagnetic induction in the pot body, and the vortex is overcome and is accomplished the conversion of electric energy to the heat energy when the internal resistance of the pot body flows, produces the heat source in the pot body in order to cook food. The pot body heat production of setting on kitchen panel 1 can pass to kitchen panel 1 with the heat on, is provided with temperature measuring device 3 in kitchen panel 1 below, comes the temperature of real-time detection kitchen panel 1 to cut off the power of coil panel 2 when kitchen panel 1 temperature is higher, make the pot body stop to continue to heat kitchen panel 1, avoid damaging kitchen panel 1, promote electromagnetic cooking device 100's safety in utilization.

The utility model discloses temperature measuring device 3 includes heat-conducting plate 31 and temperature sensor 32, and temperature sensor 32 is used for detecting the temperature, and heat-conducting plate 31 is suitable for the heat conduction volume, and temperature sensor 32 detects the temperature of heat-conducting plate 31, is actually that temperature sensor 32 detects the temperature of kitchen panel 1 through heat-conducting plate 31.

The heat conducting plate 31 includes a plurality of temperature sensing arms 311 connected to each other, a portion of each temperature sensing arm 311 is spaced apart from the other temperature sensing arms 311, and the temperature sensing arms 311 and the cooktop plate 1 have a plurality of contact positions. All positions of the heat conducting plate 31 contacting with the stove panel 1 can conduct heat to the temperature sensor 32, when the temperature of a certain position of the stove panel 1 is too high, the heat conducting plate 31 conducts heat to the temperature sensor 32, the temperature sensor 32 can detect the temperature, and the safety protection device is started, so that the contact area of the heat conducting plate 31 and the stove panel 1 can be increased by arranging the plurality of temperature sensing support arms 311, and the detection sensitivity of the temperature measuring device 3 is increased. The temperature sensing support arm 311 can contact with multiple positions of the cooker panel 1, conducts heat of all parts of the cooker panel 1 to the temperature sensors 32, can realize temperature measurement at multiple positions by only arranging one temperature sensor 32, can improve the detection accuracy of the temperature measuring device 3, avoids the condition that the detection result is inaccurate due to local heating of a cooker, does not need to be provided with multiple temperature sensors, and can effectively reduce the production and manufacturing cost.

And the interval arrangement of a part of temperature sensing support arm 311 and other temperature sensing support arms 311, the heat dissipation of being convenient for avoids heat conduction board 31 to electromagnetic cooking device 100 inside heat conduction for electromagnetic cooking device 100 inside high temperature damages the interior component of electromagnetic cooking device 100, prolongs electromagnetic cooking device 100's life. And compared with the heat conducting plate 31 in a disc shape integrally attached to the cooking top plate 1, the heat conducting plate 31 with the plurality of temperature sensing support arms 311 can avoid interference to magnetic lines of force, and the working stability of the electromagnetic cooking device 100 is improved.

Through the arrangement of the heat conducting plate 31 with the plurality of temperature sensing support arms 311, the detection sensitivity of the temperature measuring device 3 is high, and the safety protection device can be started in time when the temperature of the stove panel 1 is high, so that the pot body stops heating the stove panel 1, the use safety of the stove panel 1 is high, and the service life of the stove panel 1 is prolonged. Due to the high safety of the cooktop plate 1, materials with lower temperature resistance but lower manufacturing cost can be used, for example, the cooktop plate 1 is made of borosilicate glass, etc., which further reduces the manufacturing cost of the electromagnetic cooking apparatus 100.

According to the utility model discloses electromagnetic cooking device 100 has a plurality of temperature sensing support arms 311's heat-conducting plate 31 through the setting, with the heat direction temperature sensor 32 of each position of kitchen panel 1, when a certain temperature of kitchen panel 1 is too high, temperature sensor 32 can detect the high temperature to start safety arrangement, promote electromagnetic cooking device 100's safety in utilization. The temperature measurement at multiple places can be realized by only arranging one temperature sensor 32, the detection accuracy of the temperature measuring device 3 can be improved, the condition that the detection is inaccurate due to local heating of cookware is avoided, and the manufacturing cost can be effectively reduced.

In some embodiments of the present invention, the first ends of the plurality of temperature sensing arms 311 are spaced apart and the second ends of the plurality of temperature sensing arms 311 are connected. Each temperature sensing arm 311 includes a first end and a second end, the second ends of the plurality of temperature sensing arms 311 being connected to each other, the first ends of the plurality of temperature sensing arms 311 being spaced apart from each other. The first end of the temperature sensing support arm 311 is contacted with a plurality of positions of the stove panel 1, so that a plurality of temperature measurement can be realized. The second ends of the temperature sensing arms 311 are connected to each other, the first ends are spaced apart from each other, and are configured in a shape that the center is connected to radiate outward, and the plurality of temperature sensing arms 311 are partially spaced apart from each other, which also facilitates heat dissipation.

In some embodiments of the present invention, the heat conducting plate 31 is an integrally formed member, and the plurality of temperature sensing arms 311 are integrally formed.

In other embodiments of the present invention, the temperature measuring device 3 includes a temperature sensor 32 and a plurality of heat conducting plates 31, each heat conducting plate 31 includes a plurality of temperature sensing arms 311, the first ends of the plurality of temperature sensing arms 311 are spaced apart from each other and the second ends of the plurality of temperature sensing arms 311 are connected to each other, and the temperature sensor 32 detects the temperature of the joint of the second ends of the plurality of temperature sensing arms 311. Through setting up a plurality of heat-conducting plates 31, can with heat-conducting plate 31 specialization design, the part that receives high temperature damage easily at kitchen panel 1 corresponds sets up heat-conducting plate 31 of great area, promotes heat conduction velocity of heat-conducting plate 31, improves temperature measuring sensitivity of temperature measuring device 3.

In some embodiments of the present invention, the temperature sensor 32 is used to detect the temperature of the joint of the temperature sensing arms 311.

The second ends of the plurality of temperature sensing arms 311 are connected to form a connecting portion 31a, the temperature sensor 32 is used for detecting the temperature of the connecting portion 31a, the plurality of temperature sensing arms 311 are in contact with different portions of the cooktop plate 1, so the overall area of the heat conducting plate 31 is large, the connecting portion 31a connected to the second ends of the plurality of temperature sensing arms 311 is located at the center of the heat conducting plate 31, the distances from the plurality of outer edges of the heat conducting plate 31 to the connecting portion 31a are close, the average speed of heat received by the connecting portion 31a is fastest, so the temperature sensor 32 is set to detect the temperature of the connecting portion of the temperature sensing arms 311, namely, the temperature of the connecting portion 31a is detected, the temperature sensor 32 can quickly respond to the heat conducted from various portions of the heat conducting plate 31, the detection speed of the temperature sensor 32 is increased, and the use safety of the electromagnetic cooking device 100 is improved.

In some embodiments of the present invention, the first ends of the plurality of temperature sensing arms 311 are circumferentially and uniformly spaced. As shown in fig. 1, the cooktop plate 1 is disc-shaped, the plurality of temperature sensing support arms 311 of the heat conducting plate 31 are uniformly spaced along the circumferential direction of the cooktop plate 1, and the areas covered by the plurality of temperature sensing support arms 311 are the same, so as to improve the detection accuracy of the temperature measuring device 3.

In some embodiments of the present invention, as shown in fig. 1, the number of the temperature sensing arms 311 is four, the adjacent temperature sensing arms 311 are vertically disposed, and the heat conducting plate 31 is configured as a cross-shaped plate. The adjacent temperature sensing support arms 311 are orthogonal to each other, and the distance between the temperature sensing support arms 311 is large, so that heat dissipation is facilitated, internal elements of the electromagnetic cooking device 100 are prevented from being damaged, and the service life of the electromagnetic cooking device 100 is prolonged. Moreover, because the distance between the temperature sensing arms 311 is relatively large, the interference to the magnetic force lines can be reduced, and the working stability of the electromagnetic cooking device 100 can be improved.

In some embodiments of the present invention, each temperature sensing arm 311 is formed as a straight arm, which facilitates the manufacture of the heat conducting plate 31, and the heat conducting plate 31 of the straight arm has higher structural strength, which can improve the working stability of the electromagnetic cooking apparatus 100.

It can be understood that the heat conducting plate 31 is used for conducting heat, and the shape of the heat conducting plate 31 has less influence on the heat transmission speed of the heat conducting plate 31, so the specific shape of the temperature sensing arm 311 of the heat conducting plate 31 can be selected according to the actual requirement, for example, the shape of the temperature sensing arm 311 is configured to be a wave shape in the up-down direction, which also falls into the protection scope of the present invention.

In some embodiments of the present invention, the plurality of temperature sensing arms 311 have the same length. As shown in fig. 1, the cooktop plate 1 is configured as a circular disk, the connecting portion 31a of the heat conducting plate 31 is opposite to the central point of the cooktop plate 1, the length of the plurality of temperature sensing arms 311 of the heat conducting plate 31 is the same, and the length of the temperature sensing arms 311 is close to the radius of the cooktop plate 1, the coverage area of the heat conducting plate 31 is large, and the temperature measuring sensitivity of the temperature measuring device 3 is high.

In some embodiments of the present invention, the temperature sensing arm 311 includes: the first ends of the main arms are arranged at intervals, the second ends of the main arms are connected, and a plurality of support arms are arranged on each main arm. One end of the support arm is connected with the main arm, the other end of the support arm extends towards the direction far away from the axis of the main arm, and the distance between the support arm and the main arm is gradually increased in the extending direction of the support arm. The heat conducting plate 31 is in a branched shape and is diffused towards the outside by taking the connecting part 31a as a central point, the contact area between the heat conducting plate 31 and the stove panel 1 is large, the conduction speed of the heat conducting plate 31 is high, and the temperature measuring sensitivity of the temperature measuring device 3 is high.

In some embodiments of the present invention, the heat conducting plate 31 is an aluminum plate. In other embodiments of the present invention, the heat conducting plate 31 can be made of other materials with good heat conducting effect, and can not be replaced by the material with eddy current generated by electromagnetic induction, for example, the heat conducting plate 31 can also be made of copper plate.

In some embodiments of the present invention, the temperature sensor 32 includes: a thermistor.

In some embodiments of the present invention, as shown in fig. 1, the coil panel 2 and the temperature measuring device 3 are both disposed under the stove panel 1, wherein the heat conducting plate 31 is located between the coil panel 2 and the stove panel 1, and the heat insulating pad 4 is disposed between the heat conducting plate 31 and the coil panel 2. The heat conducting plate 31 conducts the heat of the cooking top plate 1 downward, and the heat conduction to the coil panel 2 can be reduced by arranging the heat insulating pad 4, so that the heat conduction to the electromagnetic cooking device 100 is prevented from affecting the service life of internal elements.

Meanwhile, the heat insulation pad 4 may protect the cooktop board 1, so that the cooktop board 1 may be made of a material with lower temperature resistance but lower manufacturing cost, for example, the cooktop board 1 is a high borosilicate glass piece, a BMC material piece, or the like, which further reduces the manufacturing cost of the electromagnetic cooking apparatus 100.

In some embodiments of the present invention, the center of the heat insulating pad 4 is provided with a avoiding hole, and the temperature sensor 32 detects the temperature of the heat conducting plate 31 through the avoiding hole. By arranging the heat insulation pad 4, not only can the internal elements of the electromagnetic cooking device 100 be protected and the service life of the electromagnetic cooking device 100 be prolonged, but also the normal operation of the temperature sensor 32 is not influenced, and the heat conduction plate 31 transfers heat to the temperature sensor 32 through the avoiding hole.

In some embodiments of the present invention, as shown in fig. 1 and fig. 2, a fixing groove is opened at the center of the coil panel 2, the temperature sensor 32 is disposed in the fixing groove, the fixing groove plays a role of limiting and protecting the temperature sensor 32, and the temperature sensor 32 is prevented from generating interference.

In some embodiments of the present invention, as shown in fig. 1, the electromagnetic cooking apparatus 100 further includes: the upper cover 5, the middle frame 6 and the base 7, the coil panel 2 are arranged on the upper cover 5, the base 7 and the middle frame 6 are positioned below the upper cover 5, and the upper cover 5, the middle frame 6 and the base 7 together form an accommodating space in which some components of the electromagnetic cooking device 100, such as a circuit board, are arranged. By arranging the heat insulating pad 4, elements in the accommodating space can be protected, and the service life of the electromagnetic cooking device 100 is prolonged.

The stove panel 1 is fixedly connected with the upper cover 5, the upper surface of the temperature sensor 32, the avoiding hole and the connecting part 31a are opposite to each other in the up-down direction, the temperature sensor 32 and the heat conducting plate 31 are pressed by the stove panel 1 to be contacted with each other, and the heat conducting plate 31 can transmit heat to the temperature sensor 32 through the avoiding hole.

In some embodiments of the present invention, the temperature sensor 32 is disposed in the fixing groove through the fixing bracket. Optionally, the fixing bracket is a silicone piece, the fixing bracket is deformable, and when the temperature sensor 32 and the heat conducting plate 31 are pressed to contact each other by the stove panel 1, the fixing bracket can be compressed, so as to avoid interfering with the installation of the stove panel 1.

The utility model discloses an in some embodiments, heat insulating mattress 4 flexible, stove panel 1 and 5 fixed connection of upper cover, stove panel 1 compresses tightly temperature sensor 32 and heat-conducting plate 31 each other, and heat insulating mattress 4 is by compression deformation, can play the cushioning effect, promote heat-conducting plate 31, the security of the assembling process of temperature sensor 32 and stove panel 1, and heat insulating mattress 4 still has the trend of reconversion, the thrust augmentation is exerted towards the outside to heat insulating mattress 4, thereby make heat-conducting plate 31 and stove panel 1 stable contact, temperature sensor 32 and heat-conducting plate 31 stable contact, when heat of stove panel 1 reaches heat-conducting plate 31, heat-conducting plate 31 can be fast to temperature sensor 32 heat conduction, promote heat conduction's stability, temperature sensor 32 feeds back the temperature sensing temperature fast, promote temperature measuring device 3's detection sensitivity.

Optionally, the thickness m of the heat insulation pad 4 is 1.5mm to 8mm, the thickness of the heat insulation pad 4 is too large or too small to be beneficial to the operation of the temperature measuring device 3, the thickness m of the heat insulation pad 4 is designed to be 1.5mm to 8mm, so that the heat conduction plate 31 is ensured to be in stable contact with the stove panel 1, the temperature sensor 32 is ensured to be in stable contact with the heat conduction plate 31, the heat conduction effect of the heat conduction plate 31 can be effectively ensured, and meanwhile, the safety of the heat conduction plate 31, the temperature sensor 32 and the stove panel 1 in mutual contact is ensured.

In some embodiments of the present invention, the electromagnetic cooking apparatus 100 is an induction cooker.

Other constructions of the electromagnetic cooking apparatus according to the embodiments of the present invention, such as coil panel and pot, and the operation thereof are known to those skilled in the art and will not be described in detail herein.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer 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.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An electromagnetic cooking device, comprising:

a cooktop plate;

a coil disk disposed below the cooktop plate;

temperature measuring device, temperature measuring device sets up the below of kitchen panel, temperature measuring device includes: the temperature-sensing device comprises a heat conducting plate and a temperature sensor, wherein the heat conducting plate comprises a plurality of temperature-sensing support arms which are connected, one part of each temperature-sensing support arm is arranged at an interval with the rest temperature-sensing support arms, and the temperature sensor is used for detecting the temperature of the heat conducting plate.

2. The induction cooking device of claim 1, wherein a first end of the plurality of temperature sensing arms are spaced apart and a second end of the plurality of temperature sensing arms are connected.

3. The induction cooking device of claim 2, wherein said temperature sensor is configured to detect a temperature at a junction of said plurality of temperature sensing arms.

4. The induction cooking device of claim 2, wherein said first ends of said plurality of temperature sensing arms are circumferentially evenly spaced.

5. The induction cooking device of claim 3, wherein adjacent ones of said temperature sensitive arms are vertically disposed therebetween.

6. The induction cooking device of claim 1 wherein each of said temperature sensitive arms is formed as a straight arm.

7. The induction cooking device of claim 1, wherein the plurality of temperature sensing arms are the same length.

8. The electromagnetic cooking device of any one of claims 1 to 7, wherein the thermally conductive plate is located between the coil disk and the cooktop plate with a thermal insulation mat disposed therebetween.

9. The induction cooking device of claim 8, wherein the heat insulating pad has an avoiding hole at a center thereof, and the temperature sensor detects the temperature of the heat conducting plate through the avoiding hole.

10. The induction cooking apparatus of claim 8, wherein a fixing groove is opened at a center of the coil disk, and the temperature sensor is disposed in the fixing groove.

11. Electromagnetic cooking device according to claim 8, characterised in that said insulating pad is deformable, said insulating pad having a thickness m of 1.5mm-8mm.