CN219645556U - Cooking apparatus - Google Patents

Abstract

The embodiment of the utility model provides cooking equipment, which comprises: a cooking cavity; the heating piece is arranged at the top of the cooking cavity, and the central area of the heating piece protrudes downwards. According to the cooking equipment provided by the embodiment of the aspect, the heating element is arranged at the top of the cooking cavity so as to heat the space below the cooking cavity, and the central area of the heating element protrudes downwards, so that the central area of the heating element is closer to food materials placed in the cooking cavity than the peripheral area, and because the heat radiation intensity is inversely proportional to the distance, the heat radiation intensity received by the position, close to the heating element, of the central area in the horizontal direction of the cooking cavity is greater than the peripheral area in the horizontal direction of the cooking cavity, so that the problem that the temperature of the convection heat transfer center is lower is solved, the temperature difference between the central position and the peripheral edge position of the cooking cavity is as close as possible, the effect of uniformly cooking the temperature in the cooking cavity is achieved, the uniformity of the temperature field in the cooking cavity is facilitated, and the better cooking effect can be realized.

Description

Cooking apparatus

Technical Field

The utility model relates to the technical field of kitchen appliances, in particular to cooking equipment.

Background

The heating pipes adopted by the common air fryer are all approximately a plane, although the heating pipes are uniformly distributed, the temperature field uniformity is not good for practical use, because in the working process of the air fryer, the temperature field in the cooking cavity is mainly based on convection heat transfer, radiation heat transfer is assisted, and the convection heat transfer can form a low-temperature backflow area below the centrifugal fan, so that the problem of lower temperature is caused, and the phenomena of high peripheral temperature and low intermediate temperature in the cooking cavity of the air fryer are caused, so that the phenomena of circumferential burning and intermediate clamping are easy to occur in the process of cooking food.

Disclosure of Invention

The present utility model is directed to solving at least one of the above-mentioned problems occurring in the prior art or related art.

To this end, a first aspect of the present utility model is to provide a cooking apparatus.

An embodiment of a first aspect of the present utility model provides a cooking apparatus comprising: a cooking cavity; the heating piece is arranged at the top of the cooking cavity, and the central area of the heating piece protrudes downwards.

The cooking equipment provided by the embodiment of the aspect comprises a cooking cavity and a heating piece, wherein the heating piece is arranged at the top of the cooking cavity so as to heat the space below the cooking cavity, the central area of the heating piece protrudes downwards, the central area of the heating piece is closer to food materials placed in the cooking cavity than the peripheral area, the heat radiation intensity is inversely proportional to the distance, so that the heat radiation intensity received by the position, close to the heating piece, of the central area in the horizontal direction of the cooking cavity is greater than the peripheral area in the horizontal direction of the cooking cavity, and the problem that the temperature of the convection heat transfer center is lower is compensated, so that the temperature difference between the central position and the peripheral edge position of the cooking cavity is as close as possible, the effect of uniformly cooking the temperature in the cooking cavity is achieved, the uniformity of the temperature field in the cooking cavity is facilitated, and better cooking effect can be realized.

In addition, the cooking apparatus provided in the above embodiment of the present utility model may further have the following additional technical features:

in some embodiments, the heat generating element projects gradually downward from the outside to the inside in the radial direction.

In the embodiments, the heating element gradually protrudes downwards from outside to inside along the radial direction, so that the distance between the heating element and the food material in the cooking cavity is changed more uniformly, the intensity of the heat radiation received by the food material is also changed more uniformly, uniform heating at different positions of the cooking cavity is realized more favorably, the uniformity of the temperature field in the cooking cavity is realized, uniform heating of the food material is realized, and the cooking effect is better.

In some embodiments, the heat generating element comprises a tube body which is coiled in a plurality of circles along the radial direction of the heat generating element from inside to outside or from outside to inside to form a heat generating disc body. The heating plate body is formed by winding the pipe body, and the heating plate body is simple in structure and easy to process and produce.

In some embodiments, the distance H between the lower surface of the tube located at the outermost ring and the lower surface of the tube located at the innermost ring of the multi-turn tube is 5mm or more and 35mm or less.

In these embodiments, the distance H between the lower surface of the outermost tube and the lower surface of the innermost tube in the multi-turn tube is defined, in which, on the one hand, the distance H between the lower surface of the outermost tube and the lower surface of the innermost tube is prevented from being too small to perform the function of compensating the center temperature of the center region of the cooking cavity, and on the other hand, the distance H between the lower surface of the outermost tube and the lower surface of the innermost tube is also prevented from being too large, resulting in too strong heat radiation in the center region of the cooking cavity to easily cause scorching of the food, and the influence of the center region of the heat generating member on the volume of the cooking cavity is also reduced as much as possible, so that the volume of the cooking cavity is large and the placement and taking of the food are convenient.

In some embodiments, the outer diameter of the tube at the outermost turn of the tube is D and the outer diameter of the tube at the innermost turn of the tube is D, where D is less than or equal to 0.5D. The setting like this for the scope that the body of inner circle covered is reasonable, can not be too big, can play the effect of gathering together the heat radiation better, thereby play the effect to the directional temperature compensation in the central region of heating element subassembly better, and then can even cooking cavity center department and the temperature of edge better.

In some embodiments, the multi-turn tube body gradually protrudes downwards from the outer ring to the inner ring along the axial direction of the heat generating element. So set up for the distance between the edible material of piece and the culinary art intracavity that generates heat changes more evenly, and consequently the intensity of the heat radiation that edible material received changes also more evenly, is favorable to realizing the even heating of the different positions department in culinary art chamber more, is favorable to the temperature field homogeneity in the culinary art chamber, realizes the even heating of edible material, and the culinary art effect is better.

In some embodiments, the heat generating component further comprises: and the first end of the extension section is connected with the end part of the tube body positioned at the innermost ring and extends to the outer side of the heating disc body along the radial direction.

In these embodiments, the tube is coiled into a three-dimensional heating plate, and the first end of the extension section is connected with the end of the tube located at the innermost ring and extends to the outer side of the heating plate in the radial direction, so that the inner ring tube is led out to the periphery of the heating plate, and the circuit connection of the heating plate is facilitated.

In some embodiments, the heat generating component further comprises: the first connecting terminal is connected with the second end of the extension section, the extension section is bent, and the second end of the extension section extends towards the axial direction of the heating disc body; and the second connecting terminal is connected with the end part of the tube body positioned at the outermost ring, and the end part of the tube body positioned at the outermost ring is bent and extends towards the axial direction of the heating disc body.

In these embodiments, the extension section is bent and the second end of the extension section extends toward the axial direction of the heating disc body, and the end of the tube body located at the outermost ring is bent and extends toward the axial direction of the heating disc body to form two convex tubes, so that the first connection terminal and the second connection terminal can be connected to the two convex tubes, and the extending direction of the first connection terminal and the second connection terminal is changed, which is convenient for connecting the first connection terminal and the second connection terminal with electrical devices such as a circuit board of the cooking device.

In some embodiments, the cooking apparatus further comprises: the fan blade is rotatably arranged in the cooking cavity, is a centrifugal fan blade and is arranged above the heating piece.

In these embodiments, the heating element is disposed at the top of the cooking cavity, the fan blade is disposed above the heating element, and the fan blade rotates to drive air around the heating element to flow downwards and outwards in the cooking cavity, and then to gather from bottom to top to form a reflux at the central position, so that a thermal convection is formed in the cooking cavity, and the air in the cooking cavity is heated by the thermal convection.

In some embodiments, the cooking apparatus further comprises: the baking tray is arranged at the bottom of the cooking cavity and positioned below the heating piece, and the central area of the heating piece corresponds to the central area of the baking tray.

In these embodiments, the baking tray is used for holding food, the central area of the heating element corresponds to the central area of the baking tray, and since the central area of the heating element protrudes downwards, the central area of the heating element is closer to the food placed on the baking tray than the peripheral area, and since the intensity of heat radiation is inversely proportional to the distance, the intensity of heat radiation received by the central area of the baking tray at the position close to the heating element is greater than that of the peripheral area of the baking tray, so as to compensate the problem of lower central temperature of the baking tray caused by convective heat transfer, and the temperature difference between the central position and the peripheral edge position of the baking tray is as close as possible, so that the temperature difference between the central position and the peripheral edge position of the baking tray is as close as possible, the effect of homogenizing the temperature of the baking tray is achieved, the uniformity of the temperature field of the baking tray is facilitated, and better cooking effect can be achieved.

Additional aspects and/or advantages of the present general inventive concept 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 general inventive concept.

Drawings

The above and other objects and features of the present utility model will become more apparent from the following description of embodiments of the present utility model taken in conjunction with the accompanying drawings in which:

fig. 1 illustrates a partial structural schematic view of a cooking apparatus according to an embodiment of the present utility model;

FIG. 2 illustrates a top view of a heat-generating component of an embodiment of the present utility model;

FIG. 3 illustrates a side view of a heat-generating component of an embodiment of the present utility model;

FIG. 4 illustrates another side view of a heat-generating component of an embodiment of the present utility model;

FIG. 5 shows a schematic structural view of a heat generating component according to an embodiment of the present utility model;

FIG. 6 shows a schematic view of heat convection and heat radiation action intensity distribution in a cooking cavity of a cooking apparatus according to an embodiment of the present utility model;

fig. 7 is a schematic view showing temperature distribution of a peripheral region and a central region in a cooking cavity of a related art cooking apparatus;

fig. 8 illustrates a schematic view of temperature distribution of a peripheral region and a central region in a cooking cavity of a cooking apparatus according to an embodiment of the present utility model.

Reference numerals illustrate:

a cooking cavity is provided at 10 which,

20 heating element, 210 tube body, 220 extension section, 230 first connection terminal, 240 second connection terminal,

30 fan blades, which are arranged on the outer side of the fan body,

40 baking tray.

Detailed Description

The following detailed description is provided to assist the reader in obtaining a thorough understanding of the methods, apparatus, and/or systems described herein. However, various changes, modifications, and equivalents of the methods, apparatus, and/or systems described herein will be apparent after an understanding of the present disclosure. For example, the order of operations described herein is merely an example and is not limited to those set forth herein, but may be altered as will be apparent after an understanding of the disclosure of the utility model, except for operations that must occur in a specific order. Furthermore, descriptions of features known in the art may be omitted for clarity and conciseness.

The features described herein may be embodied in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein have been provided to illustrate only some of the many possible ways to implement the methods, devices, and/or systems described herein that will be apparent after an understanding of the present disclosure.

As used herein, the term "and/or" includes any one of the listed items associated as well as any combination of any two or more.

Although terms such as "first," "second," and "third" may be used herein to describe various elements, components, regions, layers or sections, these elements, components, regions, layers or sections should not be limited by these terms. Rather, these terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first member, first component, first region, first layer, or first portion referred to in the examples described herein may also be referred to as a second member, second component, second region, second layer, or second portion without departing from the teachings of the examples.

In the description, when an element such as a layer, region or substrate is referred to as being "on" another element, "connected to" or "coupled to" the other element, it can be directly "on" the other element, be directly "connected to" or be "coupled to" the other element, or one or more other elements intervening elements may be present. In contrast, when an element is referred to as being "directly on" or "directly connected to" or "directly coupled to" another element, there may be no other element intervening elements present.

The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. Singular forms also are intended to include plural forms unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, amounts, operations, components, elements, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, amounts, operations, components, elements, and/or combinations thereof. The term "plurality" represents two and any number of two or more.

The definition of the azimuth words such as "upper", "lower", "top", and "bottom" in the present utility model is based on the azimuth definition of the product when the product is in normal use state and is placed upright.

Unless defined otherwise, all terms used herein, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. Unless explicitly so defined herein, terms such as those defined in a general dictionary should be construed to have meanings consistent with their meanings in the context of the relevant art and the present utility model and should not be interpreted idealized or overly formal.

In addition, in the description of the examples, when it is considered that detailed descriptions of well-known related structures or functions will cause ambiguous explanations of the present utility model, such detailed descriptions will be omitted.

A cooking apparatus provided by an embodiment of the present utility model will be described with reference to fig. 1 to 8.

As shown in fig. 1, 2, 3 and 4, an embodiment of the first aspect of the present utility model provides a cooking apparatus comprising: a cooking chamber 10; and a heat generating member 20 disposed at the top of the cooking cavity 10, a central region of the heat generating member 20 protruding downward.

The cooking device provided by the embodiment of the present utility model includes a cooking cavity 10 and a heating element 20, where the heating element 20 is disposed at the top of the cooking cavity 10 to heat a space below the cooking cavity 10, and the central area of the heating element 20 protrudes downward, so that the central area of the heating element 20 is closer to food material placed in the cooking cavity 10 than the peripheral area, and since the heat radiation intensity is inversely proportional to the distance, the heat radiation intensity received by the central area of the cooking cavity 10 at a position closer to the heating element 20 is greater than the peripheral area of the cooking cavity 10, so as to compensate for the problem of low temperature of the convection heat transfer center, thereby making the temperature difference between the central position and the peripheral edge of the cooking cavity 10 as close as possible, playing a role of homogenizing the temperature in the cooking cavity 10, being beneficial to uniformity of the temperature field in the cooking cavity 10, and being capable of achieving better cooking effect.

In a specific application, the heat-generating element 20 is optionally in the form of an inverted truncated cone.

It is worth noting that the set of temperatures at various points in the matter system is referred to as a temperature field.

In some embodiments, as shown in fig. 1, 2, 3 and 4, the heat generating member 20 gradually protrudes downward from the outside to the inside in the radial direction.

In these embodiments, the heating element 20 gradually protrudes downwards from outside to inside along the radial direction, so that the distance between the heating element 20 and the food material in the cooking cavity 10 changes more uniformly, and therefore, the intensity of the heat radiation to which the food material is subjected changes more uniformly, which is more beneficial to realizing uniform heating at different positions of the cooking cavity 10, to realizing uniform heating of the food material in the cooking cavity 10, and to realizing uniform heating of the food material with better cooking effect.

In some embodiments, as shown in fig. 1, 2, 3, 4 and 5, the heat generating element 20 includes a tube 210, and the tube 210 is coiled in a plurality of turns from inside to outside or from outside to inside along a radial direction of the heat generating element 20 to form a heat generating disc body. The setting like this for the dish disk body that generates heat is formed by the coiling of body 210, and the structure of dish disk body that generates heat is simple, easily processing production.

In some embodiments, as an example, the first end of the tube 210 is optionally gradually coiled in a plurality of turns clockwise or counterclockwise from inside to outside to form a heat-generating disk.

The use of a tube 210 coiled into a heating plate can reduce the production cost of the heating element 20 while realizing the downward protrusion of the central area of the heating plate, and further reduce the production cost of cooking equipment with the heating element 20.

In some embodiments, as shown in fig. 1, 3 and 4, a distance H between a lower surface of the pipe body 210 located at the outermost ring and a lower surface of the pipe body 210 located at the innermost ring of the multi-turn pipe body 210 is 5mm or more and 35mm or less.

In these embodiments, the distance H between the lower surface of the outermost tube 210 and the lower surface of the innermost tube 210 in the multi-turn tube 210 is defined, in such a range that, on one hand, the distance H between the lower surface of the outermost tube 210 and the lower surface of the innermost tube 210 is prevented from being too small to perform the function of compensating the center temperature of the center area of the cooking cavity 10, and on the other hand, the distance H between the lower surface of the outermost tube 210 and the lower surface of the innermost tube 210 is also prevented from being too large, resulting in that the center area of the cooking cavity 10 is too strong in heat radiation to easily cause scorching of food, and the influence of the center area of the heat generating member 20 on the volume of the cooking cavity 10 is also reduced as much as possible, so that the volume of the cooking cavity 10 is large and the placement and taking of food are convenient.

In some embodiments, as shown in FIGS. 1 and 3, the outer diameter of the tube 210 located at the outermost ring of the multi-turn tube 210 is D, and the outer diameter of the tube 210 located at the innermost ring of the multi-turn tube 210 is D, where D is less than or equal to 0.5D. By the arrangement, the range covered by the pipe body 210 at the innermost ring is reasonable, the range is not too large, the effect of gathering heat radiation can be better achieved, the effect of directional temperature compensation to the central area of the heating element 20 assembly is better achieved, and the temperatures at the center and the edge of the cooking cavity 10 can be better and evenly achieved.

As shown in fig. 3, the tube 210 with the diameter D is marked as the tube 210 with the innermost ring, the tube 210 with the diameter D is marked as the tube 210 with the outermost ring, and in the axial direction of the heating body, the tube 210 with the innermost ring is positioned down and is closer to the baking tray 40 for placing food materials, and the tube 210 with the outermost ring is positioned up and is further away from the baking tray 40 for placing food materials, so that the heat radiation effect on the baking tray 40 in the cooking cavity 10 shows the rule of decreasing from the innermost ring to the outer ring of the tube 210, as shown in fig. 6, the effect is opposite to the decreasing of the heat convection heat transfer temperature from outside to inside, and the respective temperature gradient distribution characteristics of heat radiation and heat convection can form advantage complementation, thereby achieving the purpose of uniform temperature field in the whole cooking cavity 10.

In some embodiments, as shown in fig. 1, 3 and 4, the multi-turn tube 210 gradually protrudes downward from the outer ring to the inner ring in the axial direction of the heat generating member 20. So set up for the distance between the edible material in heating element 20 and the culinary art chamber 10 changes more evenly, and consequently the intensity of the heat radiation that edible material received changes also more evenly, is favorable to realizing the even heating of culinary art chamber 10 different positions department more, is favorable to the temperature field homogeneity in the culinary art chamber 10, realizes the even heating of edible material, and the culinary art effect is better.

Specifically, the tube 210 is bent from outside to inside into a first ring, a second ring, a third ring, a fourth ring, and a fifth ring … …, where the second ring is located below the first ring, the third ring is located below the second ring, the fourth ring is located below the third ring, and the fifth ring is located below … … of the fourth ring, and gradually protrudes downward from the outer ring to the inner ring.

In some embodiments, as shown in fig. 1, 2, 3, 4 and 5, the heat generating component 20 further comprises: and an extension section 220, a first end of the extension section 220 being connected to an end of the tube body 210 located at the innermost ring and extending to an outer side of the heat generating disc body in a radial direction.

In these embodiments, the tube 210 is coiled into a three-dimensional heat-generating tray, and the first end of the extension section 220 is connected to the end of the tube 210 located at the innermost ring and extends to the outer side of the heat-generating tray along the radial direction, so that the inner ring tube 210 is led out to the outer periphery of the heat-generating tray, which is beneficial to the circuit connection of the heat-generating tray.

For the specific structure of heat generating component 20, in some embodiments, as shown in fig. 1, 2, 3, 4 and 5, heat generating component 20 further comprises: the first connection terminal 230 is connected with the second end of the extension section 220, the extension section 220 is bent, and the second end of the extension section 220 extends towards the axial direction of the heating disc body; the second connection terminal 240 is connected to an end of the tube 210 located at the outermost ring, and the end of the tube 210 located at the outermost ring is bent and extends toward the axial direction of the heat generating disc.

In these embodiments, the extension section 220 is bent and the second end of the extension section 220 extends toward the axial direction of the heat generating disc body, and the end of the tube body 210 located at the outermost ring is bent and extends toward the axial direction of the heat generating disc body to form two protruding pipes, so that the first connection terminal 230 and the second connection terminal 240 may be connected to the two protruding pipes, thereby changing the extending directions of the first connection terminal 230 and the second connection terminal 240, and facilitating connection of the first connection terminal 230 and the second connection terminal 240 with an electric device such as a circuit board of a cooking apparatus.

Further, in practical application, the heating element 20 may be assembled into the cooking cavity 10 with the first connection terminal 230 and the second connection terminal 240 facing upward, and the first connection terminal 230 and the second connection terminal 240 are connected to the machine head of the cooking apparatus, so as to be conveniently connected to an electrical device such as a circuit board.

In some embodiments, as shown in fig. 1, the cooking apparatus further comprises: the fan blade 30 is rotatably arranged in the cooking cavity 10, the fan blade 30 is a centrifugal fan blade 30, and the fan blade 30 is arranged above the heating element 20.

In these embodiments, the heating element 20 is disposed at the top of the cooking cavity 10, the fan blades 30 are disposed above the heating element 20, and the fan blades 30 rotate to drive the air around the heating element 20 to flow outwards and downwards in the cooking cavity 10, and then gather from bottom to top to form a reflux in the central position, so that heat convection is formed in the cooking cavity 10, and the air in the cooking cavity 10 is heated by the heat convection.

Further, in some embodiments, the cooking apparatus further comprises a heat insulation plate, a bracket and a temperature sensor, wherein the heat insulation plate is arranged at the top of the cooking cavity 10, the heating element 20 is mounted on the heat insulation plate through the bracket, the heat insulation plate can play a role of blocking upward diffusion of heat, and abnormal parts such as a circuit board arranged at the top of the heat insulation plate are prevented from being generated due to overhigh temperature; further, the temperature sensor is arranged on the heat insulation plate and used for detecting the temperature of the heat insulation plate, so that the abnormal temperature can be monitored in time, and the safety of products is improved.

In some embodiments, as shown in fig. 1, the cooking apparatus further comprises: the bakeware 40 is arranged at the bottom of the cooking cavity 10, the bakeware 40 is positioned below the heating element 20, and the central area of the heating element 20 corresponds to the central area of the bakeware 40.

In these embodiments, the baking tray 40 is used for holding food, the central area of the heating element 20 corresponds to the central area of the baking tray 40, and since the central area of the heating element 20 protrudes downwards, the central area of the heating element 20 is closer to the food placed on the baking tray 40 than the peripheral area, and since the intensity of heat radiation is inversely proportional to the distance, the intensity of heat radiation received by the central area of the baking tray 40 at the position closer to the heating element 20 is greater than the peripheral area of the baking tray 40, so as to compensate the problem of lower central temperature of the baking tray 40 caused by convective heat transfer, and thus the temperature difference between the central position and the peripheral edge position of the baking tray 40 is as close as possible, the effect of homogenizing the temperature of the baking tray 40 is achieved, the uniformity of the temperature field of the baking tray 40 is facilitated, and better cooking effect can be achieved.

The temperature difference between the peripheral region and the central region of the cooking apparatus according to the embodiment of the present utility model compared to the related art cooking apparatus will be specifically described with reference to fig. 7 and 8, wherein fig. 7 shows a schematic diagram of the temperature distribution between the peripheral region and the central region in the cooking chamber 10 of the related art cooking apparatus; fig. 8 shows a schematic view of temperature distribution of a peripheral region and a central region in a cooking cavity 10 of a cooking apparatus according to an embodiment of the present utility model. Specifically, using 1400W power as an example, a 5L volume air fryer was used with a motor speed of 2200rpm. And d=0.25D, the distance H between the lower surface of the outermost tube body 210 and the lower surface of the innermost tube body 210 is temperature field uniformity data at 0mm and 20mm, respectively. The temperature field results are compared as follows: as shown in fig. 7, in the case of the conventional air fryer in the related art, that is, in which the distance H between the lower surface of the outermost tube body 210 and the lower surface of the innermost tube body 210 takes a value of 0mm, the temperature difference between the central area and the outer periphery is on average about 20 ℃; in the air fryer provided by the embodiment of the present utility model, when the distance H between the lower surface of the outer-most tube 210 and the lower surface of the inner-most tube 210 is 20mm, after the center temperature is compensated by the inverted truncated cone-shaped heating element 20, the temperature difference between the center area and the periphery is reduced by 5-10 ℃, and the uniformity of the temperature field is improved by more than 70%.

Further, according to experiments, in the case that the distance H between the lower surface of the outermost tube body 210 and the lower surface of the innermost tube body 210 is different in value, as shown in the following table 1, the influence of the temperature difference between the central temperature and the peripheral temperature is satisfied with the following rule of table 1:

TABLE 1

As is clear from table 1, when the distance H between the lower surface of the outermost tube 210 and the lower surface of the innermost tube 210 is about 25mm, the difference between the center temperature and the peripheral temperature is relatively small, and when the distance H between the lower surface of the outermost tube 210 and the lower surface of the innermost tube 210 is about 0mm, the difference between the center temperature and the peripheral temperature is relatively large.

Although embodiments of the present utility model have been described in detail hereinabove, various modifications and variations may be made to the embodiments of the utility model by those skilled in the art without departing from the spirit and scope of the utility model. It will be appreciated that such modifications and variations will be apparent to those skilled in the art that they will fall within the spirit and scope of the embodiments of the utility model as defined in the appended claims.

Claims (10)

1. A cooking apparatus, comprising:

a cooking chamber (10);

and a heating member (20) disposed at the top of the cooking cavity (10), the central region of the heating member (20) protruding downward.

2. The cooking apparatus of claim 1, wherein the cooking apparatus comprises a cooking chamber,

the heating element (20) gradually protrudes downwards from outside to inside along the radial direction.

3. The cooking apparatus of claim 1, wherein the cooking apparatus comprises a cooking chamber,

the heating element (20) comprises a tube body (210), and the tube body (210) is coiled into a plurality of circles from inside to outside or from outside to inside along the radial direction of the heating element (20) to form a heating disc body.

4. A cooking apparatus as claimed in claim 3, characterized in that,

the distance H between the lower surface of the pipe body (210) positioned at the outermost ring and the lower surface of the pipe body (210) positioned at the innermost ring of the pipe bodies (210) is more than or equal to 5mm and less than or equal to 35mm.

5. A cooking apparatus as claimed in claim 3, characterized in that,

the outer diameter of the pipe body (210) positioned at the outermost ring of the pipe bodies (210) is D, and the outer diameter of the pipe body (210) positioned at the innermost ring of the pipe bodies (210) is D, wherein D is less than or equal to 0.5D.

6. A cooking apparatus as claimed in claim 3, characterized in that,

in the axial direction of the heating element (20), a plurality of circles of the tube body (210) gradually protrude downwards from the outer ring to the inner ring.

7. A cooking apparatus according to claim 3, wherein the heat generating member (20) further comprises:

and an extension section (220), wherein a first end of the extension section (220) is connected with the end part of the tube body (210) positioned at the innermost ring and extends to the outer side of the heating disc body along the radial direction.

8. The cooking apparatus according to claim 7, wherein the heat generating member (20) further comprises:

a first connection terminal (230) connected to a second end of the extension section (220), the extension section (220) being bent and the second end of the extension section (220) extending toward an axial direction of the heat generating disk body;

and a second connection terminal (240) connected to the end of the pipe body (210) located at the outermost ring, wherein the end of the pipe body (210) located at the outermost ring is bent and extends toward the axial direction of the heat-generating disk body.

9. The cooking apparatus according to any one of claims 1 to 8, further comprising:

the fan blade (30) is rotatably arranged in the cooking cavity (10), the fan blade (30) is a centrifugal fan blade (30), and the fan blade (30) is arranged above the heating element (20).

10. The cooking apparatus according to any one of claims 1 to 8, further comprising:

the baking tray (40) is arranged at the bottom of the cooking cavity (10), the baking tray (40) is positioned below the heating piece (20), and the central area of the heating piece (20) corresponds to the central area of the baking tray (40).