CN113966966A

CN113966966A - Air fryer

Info

Publication number: CN113966966A
Application number: CN202111301641.7A
Authority: CN
Inventors: 郑炜槟; 李睿强; 韩白龙
Original assignee: Guangdong Delma Technology Co Ltd
Current assignee: Guangdong Delma Technology Co Ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-01-25

Abstract

The invention discloses an air fryer, which comprises a base and a cooking kit, wherein a switch is arranged in the base, the switch comprises a plurality of first switches, a heating cavity is arranged at the top of the base, a heating element and a fan are arranged in the heating cavity, the cooking kit comprises a plurality of cooking appliances, the base is provided with a plurality of cooking modes corresponding to the plurality of cooking appliances, each cooking appliance can be independently placed on the base and can be removed from the base, the plurality of cooking appliances correspond to the plurality of first switches in a one-to-one mode, and when any cooking appliance is placed on the base, the first switch corresponding to the cooking appliance is triggered to enable the base to cook in the corresponding cooking mode through the cooking appliance. The air fryer provided by the embodiment of the invention realizes various different cooking functions, and a user can select different cooking appliances and cooking modes according to the own requirements, so that the cooking modes are more diversified.

Description

Air fryer

Technical Field

The invention relates to the technical field of cooking appliances, in particular to an air fryer.

Background

The function of the cooking device on the market is single, for example, the oven can only realize the baking function, the frying pan can only realize the frying function, and the air frying pan can only realize the function similar to frying, and because the influence factors such as duration of a fire and temperature of different cooking modes are different, the current cooking device is difficult to meet the requirements of customers on various cooking modes.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.

To this end, embodiments of the present invention provide an air fryer having multiple cooking functions.

The air fryer comprises a base and a cooking kit, wherein a switch is arranged in the base, the switch comprises a plurality of first switches, a heating cavity is arranged at the top of the base, a heating element and a fan are arranged in the heating cavity, the cooking kit comprises a plurality of cooking appliances, the base is provided with a plurality of cooking modes corresponding to the plurality of cooking appliances, each cooking appliance can be independently placed on the base and can be removed from the base, the plurality of cooking appliances correspond to the plurality of first switches in a one-to-one mode, and when any cooking appliance is placed on the base, the first switch corresponding to the cooking appliance is triggered to enable the base to cook in the corresponding cooking mode through the cooking appliance.

According to the air fryer disclosed by the embodiment of the invention, different cooking modes are set and different cooking appliances are used, a single air fryer is used for realizing various cooking functions, a user can select different cooking appliances and cooking modes according to the own requirements, the cooking modes are more diversified, and the practicability is strong.

In some embodiments, the air fryer further comprises a cover for placement on the base to cover the cooking appliance, the switch further comprising a second switch corresponding to the cover, the second switch being activated when the cover is placed on the base, wherein the base cooks in a corresponding cooking mode by the at least one cooking appliance only when both the second switch and a first switch corresponding to the at least one cooking appliance are activated.

In some embodiments, the air fryer further comprises a cover for placing onto the base to cover the cooking appliance, the cooking kit comprises at least three cooking appliances, the switches comprise at least three first switches corresponding to the cooking appliances and second switches corresponding to the cover, wherein the base is only cooked by at least one cooking appliance in a corresponding cooking mode when both the second switches and the first switches corresponding to the at least one cooking appliance are activated.

In some embodiments, the base includes a housing and a base body disposed in the housing, the heating cavity is formed at a top of the base body, the first switch and the second switch are disposed on the base body, the base body is provided with a plurality of first guide holes and second guide holes, a first top pillar movable along an axial direction of the first guide hole is disposed in the first guide hole, a second top pillar movable along an axial direction of the second guide hole is disposed in the second guide hole, the cooking appliance is provided with a first convex pillar, wherein when the cooking appliance is placed on the base, the first convex pillar of the cooking appliance pushes the first top pillar in the corresponding first guide hole to actuate the first switch corresponding to the cooking appliance, and when the cover is placed on the base, the second top pillar pushes the second top pillar to actuate the second switch.

In some embodiments, the first switch is located below a first guide hole corresponding thereto, a lower end of the first top pillar protrudes from within the first guide hole and contacts the first switch, an upper end of the first top pillar is located within the first guide hole, the first posts of the plurality of cooking appliances have the same or different lengths from each other, the second switch is located below the second guide hole, a lower end of the second top pillar protrudes from within the second guide hole and contacts the second switch, and an upper end of the second top pillar protrudes from an upper end of the second guide hole.

In some embodiments, a water tank is further disposed in the base, the cooking modes include a first cooking mode and a second cooking mode, and the cooking kit includes a first cooking appliance corresponding to the first cooking mode and having a steaming and/or baking frying function and a second cooking appliance corresponding to the second cooking mode and having a frying function.

In some embodiments, a water tank is further arranged in the base, the first cooking appliance further has a steaming function, the first cooking mode includes a roasting and frying sub-mode and a steaming sub-mode, and a selection switch for selecting the base to cook in the steaming sub-mode or the roasting and frying sub-mode when the first cooking appliance is placed on the base is further arranged on the base.

In some embodiments, the heating power of the heating element in the first cooking mode is greater than the heating power of the heating element in the second cooking mode; and/or the rotating speed of the fan in the first cooking mode is greater than the rotating speed of the fan in the second cooking mode.

In some embodiments, the heating element is periodically energized, and the energization time of the heating element in each cycle in the first cooking mode is longer than the energization time of the heating element in each cycle in the second cooking mode.

In some embodiments, the air fryer further comprises a reminder, the reminder is disposed on the base, the reminder is at least one of a warning light, a speaker and a display screen, and the reminder gives out a reminder by at least one of flashing the warning light, giving out a warning sound and displaying a warning word when the cover is not placed on the base and/or when any cooking utensil is not placed on the base.

Drawings

FIG. 1 is a schematic view of an air fryer in accordance with an embodiment of the present invention;

FIG. 2 is an exploded view of an air fryer in accordance with an embodiment of the present invention;

FIG. 3 is a schematic view of an air fryer fitted with a first cooking appliance in accordance with an embodiment of the present invention;

FIG. 4 is a schematic view of an air fryer having a second cooking appliance according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of an air fryer in accordance with an embodiment of the present invention;

FIG. 6 is a schematic view of the base of an air fryer in accordance with an embodiment of the present invention.

Reference numerals:

the base 1, the housing 11, the base body 12, the first guide hole 121, the second guide hole 122, the first top pillar 123, the second top pillar 124, the switch 13, the first switch 131, the second switch 132, the heating element 14, the fan 15, the heating cavity 16,

cooking kit 2, first cooking utensil 21, first boss 211, frying pan 212, steamer 213, frying basket 214, second cooking utensil 22,

and a cover 3.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

An air fryer according to an embodiment of the present invention will be described with reference to the accompanying drawings.

As shown in fig. 1-6, the air fryer of the embodiment of the invention comprises a base 1 and a cooking kit 2, wherein a heating cavity 16 is arranged at the top of the base 1, a heating element 14 and a fan 15 are arranged in the heating cavity 16, the heating element 14 can use a heating wire, an electrothermal tube and the like, the fan 15 is arranged below the heating element 14, and blows heat generated by the heating element 14 to the cooking accessory 2. A switch 13 is arranged in the base 1, the switch 13 includes a first switch 131 and a second switch 132, the first switch 131 and the second switch 132 are both microswitches 13, and the number of the first switches 131 is plural.

The cooking kit 2 comprises a plurality of cooking appliances having different cooking functions, the base 1 has a plurality of cooking modes corresponding to the plurality of cooking appliances, the heating element 14 is heated in different ways in the different cooking modes, and each cooking appliance is individually placed on the base 1 and removable from the base 1.

The plurality of cooking appliances correspond to the plurality of first switches 131 one-to-one, and when any cooking appliance is placed on the base 1, the cooking appliance touches the first switch 131 corresponding to the cooking appliance, so that the base 1 can cook through the cooking appliance in a corresponding cooking mode. For example, when a cooking appliance having a frying function is used, the heating element 14 on the base 1 is heated at a lower temperature, and when a cooking appliance having a steaming function is used, the heating element 14 on the base 1 is heated at a higher temperature.

As shown in fig. 2, in some embodiments, the air fryer further comprises a cover for placing onto the base 1 to cover the cooking appliance, the cover corresponding to the second switch 132, the second switch 132 being activated when the cover is placed onto the base 1, wherein the base 1 is only cooked by the at least one cooking appliance in the corresponding cooking mode when both the second switch 132 and the first switch 131 corresponding to the at least one cooking appliance are activated.

It should be noted that some cooking utensils need to be collocated with the lid and can normally use, for example, the air is fried the pot and need to be covered and just can fry, and some cooking utensils do not need to use the lid yet, therefore, through setting up second switch 132 and first switch 131 cooperation use, need the lid just can use cooking utensil, only can cook when corresponding first switch 131 and second switch 132 all open, otherwise can not cook, namely, when covering cooking utensil, just can begin to cook, guaranteed the security.

As shown in fig. 3, in some embodiments, the base 1 includes a housing 11 and a base body 12 disposed in the housing 11, the heating component 14 is formed at the top of the base body 12, the first switch 131 and the second switch 132 are disposed on the base body 12, the base body 12 is provided with a plurality of first guide holes 121 and second guide holes 122, the plurality of first guide holes 121 correspond to the plurality of cooking utensils, the first guide holes 121 are provided with first top pillars 123 movable along the axial direction of the first guide holes 121, the second guide holes 122 are provided with second top pillars 124 movable along the axial direction of the second guide holes 122, one end of the first top pillars 123 corresponds to the first switch 131, the other end is located in the first guide holes 121, one end of the second top pillars 124 corresponds to the second switch 132, and the other end extends out from the upper end of the second guide holes 122.

The bottom of the cooking utensil is provided with a first convex column 211, the position of the first convex column 211 corresponds to the position of the first guide hole 121, when any cooking utensil is placed on the base 1, the first convex column 211 of the cooking utensil pushes the first top column 123 in the corresponding first guide hole 121 to touch the first switch 131 corresponding to the cooking utensil, and when the cover is placed on the base 1, the second top column 124 is pushed to touch the second switch 132, so that the cooking is started in the corresponding cooking mode.

Specifically, the first switch 131 is located below the corresponding first guide hole 121, the plurality of first guide holes 121 are arranged at intervals along the circumferential direction of the base 12, the lower end of the first top pillar 123 extends out from the first guide hole 121 and contacts with the first switch 131, the upper end of the first top pillar 123 is located in the first guide hole 121, and the lengths of the first convex pillars 211 of the plurality of cooking utensils are the same as or different from each other.

When the lengths of the first convex columns 211 of the two cooking appliances are different, only when the first convex columns 211 enter the first guide holes 121 corresponding to the first convex columns 211, the corresponding first switches 131 can be triggered, when the first convex columns 211 enter the wrong first guide holes 121, if the lengths of the first convex columns 211 are long, the cooking appliances cannot be leveled, a user can timely know operation errors, if the lengths of the first convex columns 211 are short, the corresponding switches 13 cannot be triggered, cooking cannot be started, cooking mode errors are avoided, the one-to-one correspondence relationship between different cooking appliances and different first switches 131 is ensured, and the reliability of the air fryer is greatly improved.

Similarly, as shown in fig. 5, the second switch 132 is located below the second guiding hole 122, the lower end of the second top pillar 124 extends out from the second guiding hole 122 and contacts with the second switch 132, the upper end of the second top pillar 124 extends out from the upper end of the second guiding hole 122, the second guiding hole 122 corresponds to the cover, and the cover pushes the second top pillar 124 to activate the second switch 132 when being placed on the base 1.

The second switch 132 is disposed below the second guiding hole 122, the second guiding hole 122 and the plurality of first guiding holes 121 are spaced along the circumferential direction of the base 12, the lower end of the second top pillar 124 extends from the second guiding hole 122 and contacts with the second switch 132, the upper end of the second top pillar 124 extends from the upper end of the second guiding hole 122, when the cover is disposed on the cooking utensil, the lower end surface of the cover abuts against the upper end of the second top pillar 124, and the second top pillar 124 moves downward to activate the second switch 132. In order to avoid interference, through holes are formed in the cooking utensil, and the upper end of the second top pillar 124 penetrates through the through holes of the cooking utensil.

It should be noted that utility model No. 202020248405.8 discloses an air fryer, can realize having roast and fried function through the mode of changing the accessory to be provided with switch 13 in the air fryer, through the second baking external member touching and the switching that leaves change over switch 13 of mode control driving motor, but only have a switch 13 in this application, and adjust through single baking component, this kind of mode of regulation produces the maloperation easily, for example, can't guarantee after the second baking component leaves whether change over switch 13 closes, leads to the culinary art mode to take place the confusion. Different cooking utensil's in this application embodiment first projection 211's position is different, and length can be the same or inequality to correspond different first switch 131 respectively, can guarantee that corresponding first switch 131 is in the on-state, avoid the maloperation in the at utmost, the reliability is stronger.

In some embodiments, the cooking modes include a first cooking mode and a second cooking mode, a water tank (not shown) is provided in the base 1, the cooking kit 2 includes a first cooking appliance 21 having steaming and/or frying functions corresponding to the first cooking mode and a second cooking appliance 22 having frying functions corresponding to the second cooking mode, cooking is performed in the first cooking mode when the first cooking appliance 21 is placed on the base 1, and cooking is performed in the second cooking mode when the second cooking appliance 22 is placed on the base 1.

The first cooking appliance 21 includes a frying pan 212, a steamer 213, and a frying cage 213, the frying cage 213 is detachably disposed above the frying pan, the steamer 213 is detachably disposed above the frying cage 214, and the first cooking appliance 21 performs steaming or frying only when both the second switch 132 and the first switch 131 corresponding to the first cooking appliance 21 are activated. In other words, only when the grill pan and the fry basket are provided on the base 1 and the cover is provided on the grill pan and the fry basket, the base 1 starts to operate, and the heating member 14 and the fan 15 operate simultaneously to steam or fry the food.

The second cooking utensil 22 is a frying pan, which can be used alone without a matching cover, i.e. only the frying pan is placed on the base 1, and the first switch 131 corresponding to the second cooking utensil 22 is turned on to realize the frying function.

Further, still be equipped with the water tank in the base 1, first cooking utensil 21 still has steaming function, and first culinary art mode includes roast deep fry submodule and steaming submodule, still is equipped with on the base 1 to be used for when first cooking utensil 21 places on the base 1 selecting switch 13 that base 1 cooks with steaming submodule or roast deep fry submodule.

In other words, after the user places the first cooking appliance 21 on the base 1, the grill mode or the steaming mode may be selected by the rotary switch 13, and if the grill mode is selected, the grill is directly fried without using the water tank, and if the steaming mode is selected, the water in the water tank is heated to steam the food in the cooking appliance.

The heating power of the heating member 14 in the first cooking mode is larger than the heating power of the heating member 14 in the second cooking mode; and/or the rotation speed of the fan 15 in the first cooking mode is greater than the rotation speed of the fan 15 in the second cooking mode.

It should be noted that the bake sub-mode and the steam sub-mode in the first cooking mode have high temperature requirements and require the fan 15 to provide wind power, while the second cooking mode is mainly the frying mode, the temperature cannot be too high, and the fan 15 is not needed to be used, and the temperature and the wind power in the air fryer can be adjusted by controlling the heating power of the heating element 14 and the rotating speed of the fan 15, so that the user can be helped to cook with different cooking appliances better.

The heating component 14 is energized periodically and for different periods of time, with the heating component 14 being energized for each period in the first cooking mode for a period of time greater than the period of time for which the heating component 14 is energized for each period in the second cooking mode. Similarly, the longer the energization time of each cycle, the higher the heat provided by the heating element 14, and the temperature can also be adjusted by the energization time of the heating element 14 in different cooking modes.

In some embodiments, the air fryer further comprises a reminder, the reminder is disposed on the base 12, the reminder is at least one of a warning light, a speaker and a display screen, and the reminder sends out a reminder by at least one of flashing the warning light, sending out a warning sound and displaying a warning message when the cover is not placed on the base 1 and/or when any cooking utensil is not placed on the base 1.

The reminder may remind the user, for example, when using the first cooking appliance 21 to cook, remind the user to cover the first cooking appliance 21, or after cooking, remind the user to unplug the power cord when the user takes off the cooking appliance.

It should be noted that, in the embodiment of the present invention, since only the first cooking appliance 21 needs to use the lid, and the second cooking appliance 22 does not need to use the lid, the reminder will give a reminder only when the first switch 131 corresponding to the first cooking appliance 21 is triggered and the second switch 132 is not triggered, and the reminder will not give a reminder when the first switch 131 corresponding to the second cooking appliance 22 is triggered and the second switch 132 is not triggered. The specific reminding mode of the reminder is set according to the actual situation.

In the above embodiment, the cooking kit 2 includes two cooking appliances, and in some embodiments, the cooking kit 2 may further include at least three cooking appliances, for example, a cooking appliance with a water boiling function is added on the basis of the above embodiment, and simultaneously, the cooking functions of frying, steaming and water boiling are realized, the switch 13 includes at least three first switches 131 corresponding to the cooking appliances and a second switch 132 corresponding to the cover, wherein the base 1 is cooked in the corresponding cooking mode by at least one cooking appliance only when the second switch 132 and the first switch 131 corresponding to the at least one cooking appliance are both activated.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific 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 disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. An air fryer, comprising:

the base comprises a base (1), wherein a switch (13) is arranged in the base (1), the switch (13) comprises a plurality of first switches (131), a heating cavity (16) is arranged at the top of the base (1), and a heating element (14) and a fan (15) are arranged in the heating cavity (16);

a cooking kit (2), wherein the cooking kit (2) comprises a plurality of cooking appliances, the base (1) has a plurality of cooking modes corresponding to the plurality of cooking appliances, each cooking appliance can be independently placed on the base (1) and can be removed from the base (1), the plurality of cooking appliances are in one-to-one correspondence with the plurality of first switches (131), and when any cooking appliance is placed on the base (1), the first switch (131) corresponding to the any cooking appliance is triggered to enable the base (1) to cook through the any cooking appliance in the corresponding cooking mode.

2. An air fryer according to claim 1, further comprising a cover (3) for placing onto the base (1) to cover the cooking appliance, the switch (13) further comprising a second switch (132) corresponding to the cover (3), the second switch (132) being activated when the cover (3) is placed onto the base (1), wherein the base (1) is only cooked in a corresponding cooking mode by at least one cooking appliance when both the second switch (132) and the first switch (131) corresponding to the at least one cooking appliance are activated.

3. An air fryer according to claim 1, further comprising a cover (3) for placing onto the base (1) to cover the cooking appliance, the cooking kit (2) comprising at least three cooking appliances, the switches (13) comprising at least three first switches (131) corresponding to the cooking appliances and a second switch (132) corresponding to the cover (3), wherein the base (1) is cooked in a respective cooking mode by at least one cooking appliance only when both the second switch (132) and the first switch (131) corresponding to the at least one cooking appliance are activated.

4. An air fryer according to claim 2 or 3, wherein the base (1) comprises an outer casing (11) and a base body (12) arranged in the outer casing (11), the heating cavity (16) is formed at the top of the base body (1), the first switch (131) and the second switch (132) are arranged on the base body (12), the base body (12) is provided with a plurality of first guide holes (121) and second guide holes (122), a first top pillar (123) movable along the axial direction of the first guide hole (121) is arranged in the first guide hole (121), a second top pillar (124) movable along the axial direction of the second guide hole (122) is arranged in the second guide hole (122), the cooking appliance is provided with a first convex pillar (211), wherein when any cooking appliance is placed on the base (1), the first convex pillar (211) of the cooking appliance pushes the first top pillar (123) in the corresponding first guide hole (121) to touch the any top pillar (123) with the cooking appliance A first switch (131) corresponding to the cooking utensil, and the second switch (132) is triggered by pushing the second top column (124) when the cover (3) is placed on the base (1).

5. An air fryer according to claim 4, wherein the first switch (131) is located below the first guide hole (121) corresponding thereto, the lower end of the first top pillar (123) protrudes from within the first guide hole (121) and contacts the first switch (131), the upper end of the first top pillar (123) is located within the first guide hole (121), the lengths of the first convex pillars (211) of the plurality of cooking appliances are the same as or different from each other, the second switch (132) is located below the second guide hole (122), the lower end of the second top pillar (124) protrudes from within the second guide hole (122) and contacts the second switch (132), and the upper end of the second top pillar (124) protrudes from the upper end of the second guide hole (122).

6. Air fryer according to claim 1, characterised in that a water tank is further provided in said base (1), said cooking modes comprising a first cooking mode and a second cooking mode, said cooking kit (2) comprising a first cooking appliance (21) corresponding to said first cooking mode and having a steaming and/or baking function and a second cooking appliance (22) corresponding to said second cooking mode and having a frying function.

7. An air fryer according to claim 6, wherein the first cooking mode comprises a grill mode and a steaming mode, and the base (1) is further provided with a selector switch (13) for selecting the base (1) for cooking in the steaming mode or the grill mode when the first cooking utensil (21) is placed on the base (1).

8. An air fryer according to claim 6, wherein the heating element (14) is heated at a higher power in the first cooking mode than the heating element (14) in the second cooking mode; and/or the presence of a gas in the gas,

the rotation speed of the fan (15) in the first cooking mode is greater than the rotation speed of the fan (15) in the second cooking mode.

9. An air fryer according to claim 6, wherein the heating element (14) is periodically energized, the energization time of the heating element (14) per cycle in the first cooking mode being greater than the energization time of the heating element (14) per cycle in the second cooking mode.

10. An air fryer according to claim 2 or 3, further comprising a reminder provided on the base (1), the reminder being at least one of a warning light, a speaker and a display screen, the reminder giving a warning by at least one of flashing the warning light, giving a warning sound and displaying a warning message when the cover (3) is not placed on the base (1) and/or when no cooking utensil is placed on the base (1).