CN218355793U - Cooking utensil - Google Patents

Abstract

The application relates to the technical field of kitchen appliances, discloses a cooking utensil, includes: the cooking device comprises a body, a cooking cavity and a control device, wherein the body defines the cooking cavity, and a placing position for placing food to be cooked is arranged in the cooking cavity; the heating module comprises a graphene heating pipe; the lifting device is connected with the heating module and used for driving the heating module to move between a heating position close to the placing position and a protection position far away from the placing position; the controller is used for controlling the lifting device to drive the heating module to move to a heating position when the graphene heating pipe is opened; when the graphene heating pipe is closed, the lifting device is controlled to drive the heating module to move to the protection position. When the graphene heating pipe is closed, the lifting device drives the heating module to move to the protection position, the distance between the graphene heating pipe and the food to be cooked is increased, on one hand, the heating module is touched when the user takes out the food to be cooked, and the food is prevented from being scalded, on the other hand, the heating module is touched to cause the damage of the heating module when the user takes out the food to be cooked.

Description

Cooking utensil

Technical Field

The application relates to the technical field of kitchen appliances, in particular to a cooking appliance.

Background

At present, carbon steel heating pipes are mostly adopted in existing cooking appliances such as air fryer, air in a cooking cavity is heated by forced convection of a fan during operation, and hot air is used for heating food, so that the heating efficiency is low.

Adopt graphite alkene heating pipe among the correlation technique, graphite alkene heating pipe heating efficiency is high, can overcome the drawback that carbon steel heating pipe heating efficiency is low.

However, the graphene heating tube is low in strength and easy to damage. Therefore, the protection of the graphene heating tube is a problem to be solved.

SUMMERY OF THE UTILITY MODEL

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended to be a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a cooking utensil to solve the fragile problem of graphite alkene heating pipe.

According to the utility model discloses an embodiment provides a cooking utensil, include: the cooking device comprises a body, a cooking cavity and a control device, wherein a placing position for placing food to be cooked is arranged in the cooking cavity; the heating module comprises a graphene heating pipe; the lifting device is connected with the heating module and used for driving the heating module to move between a heating position close to the placing position and a protection position far away from the placing position; the controller is connected with the lifting device, and when the graphene heating pipe is opened, the controller controls the lifting device to drive the heating module to move to the heating position; when the graphene heating pipe is closed, the controller controls the lifting device to drive the heating module to move to the protection position.

Optionally, the heating module further comprises: the protection casing is injectd the installation space, the graphite alkene heating pipe is located in the installation space, the protection casing includes the light-passing board, the light-passing board is located the graphite alkene heating pipe orientation place the surface of position.

Optionally, the light-transmitting plate is provided with a convection hole.

Optionally, the protective cover is provided with a wire passing hole through which a positive lead and a negative lead of the graphene heating tube pass.

Optionally, the graphene heating tube is detachably connected with the protective cover.

Optionally, the cooking appliance further comprises: the fixing clamp is clamped on the outer surface of the graphene heating pipe and connected with the protective cover.

Optionally, the shield further comprises: the reflection part is arranged on the surface, deviating from the placing position, of the graphene heating pipe, and the light-transmitting plate defines the installation space.

Optionally, the graphene heating tube comprises a curved section.

Optionally, the graphene heating tube includes: a light-transmitting coil pipe; the graphene coating is arranged on the inner wall surface of the light-transmitting coil, and infrared rays emitted by the graphene coating can be emitted through the light-transmitting coil.

Optionally, the cooking appliance is an air fryer, the body comprising: the heating module is positioned in the mounting cavity; a fryer pan movable between a mounting position within the mounting cavity and a removal position extracting the mounting cavity; wherein, when the heating module is located at the protection position and the fryer tray is located at the installation position, the heating module is higher than the highest point of the fryer tray.

The cooking utensil that this disclosed embodiment provided can realize following technological effect:

when the graphene heating pipe is opened, the controller controls the lifting device to drive the heating module to move to a heating position, the distance between the graphene heating pipe and food materials to be cooked is shortened, and the heating efficiency of the food materials is improved; when the graphite alkene heating pipe is closed, controller control elevating gear drives the heating module and moves to protection position, increases graphite alkene heating pipe and treats the distance that the culinary art eaten the material, on the one hand avoids the culinary art end user to touch when taking out the edible material and heats the heating module and be scalded, on the other hand, touches when avoiding the culinary art end user to take out the edible material and heats the module and lead to heating the damage to protect graphite alkene heating pipe.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated in the accompanying drawings, which correspond to the accompanying drawings and not in a limiting sense, in which elements having the same reference numeral designations represent like elements, and in which:

FIG. 1 is a schematic structural view of a heating tube provided by an embodiment of the present disclosure;

FIG. 2 is a schematic cross-sectional view of a heating tube according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural view of a heating module provided in the embodiments of the present disclosure;

FIG. 4 is an exploded schematic view of a heating module provided by embodiments of the present disclosure;

fig. 5 is an exploded view of a cooking appliance according to an embodiment of the present disclosure.

Reference numerals:

1. a heating module; 10. heating a tube; 101. a light-transmitting coil pipe; 102. a graphene coating; 103. a first plug; 104. a second plug; 105. a positive electrode lead; 106. a negative electrode lead; 20. a protective cover; 201. a reflector; 202. a light-transmitting plate; 203. a side wall; 204. a wire passing hole; 205. mounting a column; 206. a first mounting hole; 207. a second mounting hole; 208. a convection hole; 30. a lifting device; 40. a fixing clip; 401. a clamping body; 402. a fixed part; 2. a cooking appliance; 21. a fryer pan; 22. a main body; 221. a mounting cavity; 222. a cooking cavity.

Detailed Description

So that the manner in which the features and advantages of the embodiments of the present disclosure can be understood in detail, a more particular description of the embodiments of the disclosure, briefly summarized above, may be had by reference to the appended drawings, which are included to illustrate, but are not intended to limit the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the disclosed embodiments can be understood by those of ordinary skill in the art according to specific situations.

The term "plurality" means two or more unless otherwise specified.

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. E.g., a and/or B, represents: a or B, or A and B.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

Referring to fig. 1-5, embodiments of the present disclosure provide a heating tube 10 for a cooking appliance 2.

The cooking appliance 2 comprises and heats the module 1, the body defining a cooking cavity 222, the cooking cavity being provided with a placing location for placing the food material to be cooked. The cooking appliance 2 may be, but is not limited to, an oven, an air fryer or a microwave oven.

As shown in fig. 5, taking the cooking appliance 2 as an air fryer as an example, the body comprises a main body 22 and a fryer tray 21, the main body 22 is provided with a mounting cavity 221, the fryer tray 21 can be placed in the mounting cavity 221 or taken out of the mounting cavity 221, the fryer tray 21 defines a cooking cavity 222, food to be cooked is placed in the fryer tray 21, and the bottom wall of the fryer tray 21 is a placing position.

Taking cooking utensil 2 as a microwave oven as an example, the body comprises a main body 22 and a tray, the main body 22 defines a cooking cavity, the tray is positioned in the cooking cavity and is arranged at the bottom of the cooking cavity, food to be cooked is arranged on the tray, and the tray forms a placing position.

The heating module 1 comprises a heating tube 10. In this application, the heating pipe 10 is a graphene heating pipe 10, and as shown in fig. 1 and fig. 2, the graphene heating pipe 10 includes a light-transmitting coil 101 and a graphene coating 102.

The internal face of printing opacity coil pipe 101 is located to graphite alkene coating 102, and printing opacity coil pipe 101 can see through the infrared ray, and the infrared ray of graphite alkene coating 102 transmission jets out through printing opacity coil pipe 101 to wait to cook in the culinary art chamber and eat the material heating.

Graphite alkene coating 102 locates the internal face of printing opacity coil pipe 101 in this application, and printing opacity coil pipe 101 both provides the installation carrier for graphite alkene coating 102, does not hinder the infrared ray of graphite alkene coating 102 transmission again and jets out the culinary art chamber. Graphene heating pipe 10 in this application need not set up multiple tubular structures such as inner tube, outer tube among the correlation technique, simple structure, with low costs.

The graphene coating 102 may be sprayed, dipped, or brushed on the inner wall surface of the light transmissive coil 101.

The thickness of the graphene coating 102 may be several tens of micrometers, and the thickness of the graphene coating 102 may be flexibly set according to actual conditions in practical applications.

The graphene heating pipe 10 has high heating efficiency, so that the heating efficiency of the cooking appliance 2 can be improved.

Optionally, as shown in fig. 1 and 2, the lucent coil 101 includes a curved section.

In this scheme, compare in the straightway, the assembly space that the curve section occupy is little, and the installation is difficult for receiving the assembly space restriction, can match the assembly space better, improves the compactedness of 2 structures of cooking utensil.

Particularly, in some cooking appliances 2 with small assembly space, the straight pipes are limited by the assembly space, cannot be processed to sufficient length, cannot ensure that a single heating straight pipe has sufficient heating power, and need to be installed with more straight pipes, which brings inconvenience to installation and increases cost; and the heating pipe 10 including the curve section still possesses sufficient length when guaranteeing to satisfy assembly space, can guarantee heating coil's effective working section, guarantees sufficient heating power, reduces the installation quantity of heating pipe 10, reduce cost, easy to assemble.

It is understood that the transparent coiled tube 101 may further include a straight line segment, and the straight line segment and the curved line segment are connected and sequentially arranged along the length direction of the transparent coiled tube 101.

Alternatively, as shown in fig. 1 and 2, the optically transparent coil 101 is in the shape of a circular arc.

The arc shape is regular, which is beneficial to the processing convenience; and the circumferential direction (the circumferential direction of the circular arc shape) of the cooking cavity can be uniformly heated.

The radius of the circle where the arc is located and the size of the central angle corresponding to the arc can be flexibly set in practical application, and the radius and the central angle are both within the protection range of the application.

It will be appreciated that the lucent coil 101 may also be U-shaped or other shapes including curved segments. Alternatively, the light transmissive coil 101 may correspond to the shape of the cross-section of the cooking cavity, e.g., the cross-section of the cooking cavity is circular, the light transmissive coil 101 is in the shape of a circular arc; for another example, the cross-section of the cooking cavity is rectangular, and the light transmitting coil 101 is rectangular.

Optionally, both ends of the lucent coil 101 are bent outwards, where outwards refers to a direction away from the axis of the lucent coil 101.

In this embodiment, the outward bending facilitates the operation of the two ends of the light transmitting coil 101, for example, the positive lead 105 and the negative lead 106 are respectively led out from the two ends of the light transmitting coil 101.

Optionally, the optically transparent coil 101 is filled with an inert gas, such as argon.

The graphene coating 102 is electrically and thermally conductive, and can emit light and heat after being electrified, so that the temperature in the inner cavity of the light-transmitting coil 101 is very high, and the surface temperature can reach five hundred degrees or even higher within ten seconds. The inert gas can protect the graphene coating 102 from falling off at high temperature.

When the heating tube 10 is processed, the graphene coating 102 is disposed on the inner wall surface of the light-transmitting coil 101, and is vacuumized and then filled with inert gas.

Optionally, as shown in fig. 1, the heating tube 10 further includes a positive lead 105 and a negative lead 106.

The positive lead 105 is connected with the graphene coating 102 and extends out of one end of the light-transmitting coil 101, and is a high-temperature-resistant lead; the negative lead 106 is connected to the graphene coating 102 and extends out from the other end of the light-transmitting coil 101, and is a high-temperature-resistant lead.

The positive lead 105 and the negative lead 106 are both connected with a power supply, so that the graphene coating 102 is connected with the power supply.

Optionally, as shown in fig. 1, the heating tube 10 further includes a first plug 103 and a second plug 104. The first plug 103 plugs one end of the light-transmitting coil 101; the second plug 104 plugs the other end of the transparent coil 101.

The first plug 103 and the second plug 104 press the light transmission coil 101, and seal two ends of the light transmission coil 101 respectively, so as to prevent inert gas from overflowing from the light transmission coil 101, and prevent air from entering the light transmission coil 101 and affecting the service life of the graphene coating 102.

Optionally, the first plug 103 is flat; and/or second plug 104 is flat.

The positive lead 105 and the negative lead 106 respectively penetrate out of the first plug 103 and the second plug 104. The first plug 103 and the second plug 104, which are flat, can improve the firmness of fixing the positive lead 105 and the negative lead 106, respectively, and also have a better sealing effect on the two ends of the light transmission coil 101.

Optionally, the first plug 103 and the second plug 104 are made of a high temperature resistant material.

Optionally, the optically transparent coil 101 is a quartz coil.

The quartz coil is high temperature resistant, transparent and easy to process and manufacture.

The transparent coil 101 may be made of other materials that are resistant to high temperature and can transmit infrared rays, such as a glass coil.

Embodiments of the second aspect of the present application provide a cooking appliance 2 comprising a heating tube 10 as in any one of the above embodiments.

The cooking appliance 2 provided in the embodiment of the second aspect of the present application includes the heating tube 10 in any one of the above embodiments, so that all the beneficial effects of the heating tube 10 in any one of the above embodiments are achieved, and details are not repeated herein.

Optionally, as shown in fig. 3 and 4, the heating module 1 further includes a protective cover 20, the protective cover 20 defines an installation space, the graphene heating tube 10 is located in the installation space, the protective cover 20 includes a light-transmitting plate 202, and the light-transmitting plate 202 is located on a surface of the graphene heating tube 10 facing the placement position.

The heating tube 10 is installed in the light-transmitting plate 202, and the light-transmitting plate 202 plays both a protective role and a supporting role for the heating tube 10, so that the heating tube 10 can be installed on the body.

The light-transmitting panel 202 is transparent to infrared light. Infrared rays emitted by the graphene heating tube 10 are transmitted through the transparent plate 202 and emitted into the cooking cavity. The light-transmitting plate 202 can protect the graphene heating tube 10, prevent oil stains and the like from splashing on the surface of the heating tube 10, and does not influence the infrared rays emitted by the heating tube 10 to be emitted into the cooking cavity.

The transparent plate 202 may be made of a transparent and high temperature resistant material, such as a quartz plate or a glass plate.

Optionally, as shown in FIG. 4, the light-transmitting panel 202 is provided with a convection hole 208.

In this scheme, the setting of convection current hole 208 can enough prevent that the greasy dirt from splashing to heating pipe 10 surface, can promote the convection heating effect again, realizes the convection current of the air in the culinary art chamber and the air in the installation space, further improves the heating efficiency of heating pipe 10.

The size and shape of the convection holes 208 may be flexibly configured in practical applications, again without limitation. The convection holes 208 are sized to ensure that oil in the cooking cavity does not splash onto the surface of the heating tube 10, and to enhance the convection heating effect.

The number of the convection holes 208 is plural, and the plural convection holes 208 may be uniformly distributed or non-uniformly distributed on the light transmission plate 202. The plurality of convection holes 208 may be arranged in order in the radial direction of the transparent plate 202, or may be arranged in order in the circumferential direction of the transparent plate 202.

Optionally, as shown in fig. 4, the protective cover 20 is provided with a through hole 204 through which the positive lead 105 and the negative lead 106 of the graphene heating tube 10 pass, and the positive lead 105 and the negative lead 106 pass through the through hole 204, so as to connect the positive lead 105 and the power supply and connect the negative lead 106 and the power supply.

The number of the wire through holes 204 is two, and the anode lead 105 and the cathode lead 106 respectively penetrate out of one wire through hole 204.

Optionally, the graphene heating tube 10 is detachably connected to the protective cover 20.

In this scheme, can dismantle the connection and conveniently change or maintain graphite alkene heating pipe 10.

There are many ways of detachable connection, such as snap-fit or screw connection.

Optionally, as shown in fig. 4, the cooking appliance 2 further includes a fixing clip 40, and the fixing clip 40 is clamped on an outer surface of the graphene heating tube 10 and connected to the protective cover 20.

The fixing clip 40 includes a clamping body and a fixing portion, the clamping body 401 is clamped on the outer surface of the graphene heating tube 10, the fixing portion 402 is located at the end of the clamping body, and the fixing portion is connected with the protection cover 20, for example, the fixing portion is connected with the transparent plate 202, so that the clamping member is connected with the protection cover 20. The fixing portion is detachably connected to the protection cover 20, such as by clipping or screwing.

Optionally, as shown in fig. 3 and 4, the protective cover 20 further includes a reflecting member 201, and the reflecting member 201 is disposed on a surface of the graphene heating tube 10 facing away from the placement position and defines an installation space with the light-transmitting plate 202.

When the infrared rays radiated toward the reflector 201 by the graphene coating 102 reach the reflector 201, the reflector 201 radiates the infrared rays to the cooking cavity to increase the radiation amount of the infrared rays, so that more heat is radiated to the cooking cavity, and the heating efficiency of the cooking appliance 2 is further increased.

The reflecting member 201 may be made of stainless steel or aluminum, and may be made of other mirror materials having high reflectivity to infrared rays.

The protective cover 20 includes a reflecting member 201, a transparent plate 202, and a side wall 203, wherein the reflecting member 201 and the transparent plate 202 are disposed opposite to each other, and the side wall 203 is in a ring shape and is connected between the reflecting member 201 and the transparent plate 202. The reflecting member 201, the transparent plate 202 and the side wall 203 together enclose an installation space. Wherein, the line through hole 204 is disposed on the sidewall 203.

Optionally, as shown in fig. 5, the cooking appliance 2 further includes a lifting device 30 and a controller.

The lifting device 30 is connected with the heating module 1 and used for driving the heating module 1 to move between a heating position close to the placing position and a protection position far away from the placing position; the controller is connected to the lifting device 30.

When the graphene heating pipe 10 is opened, the controller controls the lifting device to drive the heating module 1 to move to a heating position, so that the distance between the graphene heating pipe 10 and food materials to be cooked is shortened, and the heating efficiency of the food materials is improved; when graphite alkene heating pipe 10 closed, controller control elevating gear drives heating module 1 and moves to protection position, increase graphite alkene heating pipe 10 with wait to cook the distance of eating the material, on the one hand avoid the end of cooking user to take out when eating the material touch heating module 1 and be scalded, on the other hand, touch heating module 1 when avoiding the end of cooking user to take out and eat the material and lead to heating module 1 to damage.

The heating module 1 can be arranged at the top or the side of the cooking cavity, taking the heating module 1 arranged at the top of the cooking cavity as an example, the lifting device 30 drives the heating module 1 to move up and down, and when the heating pipe 10 is opened (heated), the controller controls the lifting device 30 to drive the heating module 1 to descend; when the heating tube 10 is closed (heating is stopped), the controller controls the lifting device 30 to drive the heating module 1 to ascend.

As for the determination of the heating position, it may be a fixed position, for example, 10cm from the placement position.

It will be appreciated that the heating position may also be other than a fixed position, for example the controller determines the position in dependence on a parameter of the food material to be cooked or the operating mode of the cooking appliance 2.

Example 1: determining that the heating position when the amount of the food to be cooked is large is a first heating position according to the amount of the food to be cooked, determining that the heating position when the amount of the food to be cooked is small is a second heating position, wherein the distance between the first heating position and the placing position is smaller than the distance between the second heating position and the placing position.

An exemplary 2: the placement position is determined according to the operation mode of the cooking appliance 2, if the user selects the fast cooking mode, the heating position is the third heating position, if the user selects the ordinary cooking mode, the heating position is the fourth heating position, and the distance between the third heating position and the placement position is smaller than the distance between the fourth heating position and the placement position.

There are many kinds of lifting devices, such as linear motors or rack and pinion structures. Taking a linear motor as an example, an output shaft of the linear motor is connected with the heating module 1 to drive the heating module 1 to do linear reciprocating motion between the heating position and the protection position. The middle part of the light-transmitting plate 202 is provided with a mounting column 205, the mounting column 205 is positioned in the mounting space, the mounting column 205 is provided with a first mounting hole 206, the middle part of the reflecting member 201 is provided with a second mounting hole 207 corresponding to the first mounting hole 206, and the output shaft of the linear motor passes through the first mounting hole 206 and the second mounting hole 207, so that the connection between the linear motor and the heating module 1 is realized.

The lifting device can also be of a screw nut structure, an output shaft of the motor is connected with the screw rod and used for driving the screw rod to rotate, the nut is sleeved on the outer surface of the screw rod and is in threaded connection with the screw rod, and the nut is connected with the heating module. The motor drives the screw rod to rotate, the screw rod drives the nut to do linear reciprocating motion along the axis of the screw rod, and therefore the nut drives the heating module to do linear reciprocating motion.

Optionally, the cooking appliance 2 is an air fryer and the body includes a main body 22 and a fryer tray 21.

The main body 22 is provided with a mounting cavity 221; the fryer tray 21 is movable between a mounting position within the mounting cavity 221 and a removal position withdrawn from the mounting cavity 221.

When the frying pan 21 is arranged at the mounting position, the heating module 1 can be started to heat food materials to be cooked; when the heating is completed, the user takes out the fryer tray 21, at which time the fryer tray 21 is placed in the take-out position.

Wherein, the heating module 1 is located in the installation cavity 221, and when the heating module 1 is located at the protection position and the fryer tray 21 is located at the installation position, the heating module 1 is higher than the highest point of the fryer tray 21.

When the fryer tray 21 is placed in the mounting cavity 221 but the heating pipe 10 does not start heating yet, the heating module 1 is located at the protection position, and the heating module 1 is higher than the highest point of the fryer tray 21, so that the damage of the heating module 1 caused by the fact that the fryer tray 21 touches the heating module 1 in the process of mounting the fryer tray 21 in the mounting cavity 221 or in the process of taking out the fryer tray 21 from the mounting cavity 221 is avoided.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. A cooking appliance, comprising:

the cooking device comprises a body, a cooking cavity and a cooking control device, wherein a placing position for placing food materials to be cooked is arranged in the cooking cavity;

the heating module comprises a graphene heating pipe;

the lifting device is connected with the heating module and used for driving the heating module to move between a heating position close to the placing position and a protection position far away from the placing position;

the controller is connected with the lifting device, and when the graphene heating pipe is opened, the controller controls the lifting device to drive the heating module to move to the heating position; when the graphene heating pipe is closed, the controller controls the lifting device to drive the heating module to move to the protection position.

2. The cooking appliance of claim 1, wherein the heating module further comprises:

the protection casing, inject the installation space, the graphite alkene heating pipe is located in the installation space, the protection casing includes the light-passing board, the light-passing board is located the graphite alkene heating pipe orientation place the surface of position.

3. The cooking appliance of claim 2,

the light-transmitting plate is provided with a convection hole.

4. The cooking appliance of claim 2,

the protective cover is provided with a wire passing hole for the positive lead and the negative lead of the graphene heating pipe to penetrate out.

5. The cooking appliance of claim 2,

the graphene heating pipe is detachably connected with the protective cover.

6. The cooking appliance of claim 5, further comprising:

the fixing clamp is clamped on the outer surface of the graphene heating pipe and connected with the protective cover.

7. The cooking appliance of claim 2, wherein the protective cover further comprises:

the reflection part is arranged on the surface, deviating from the placing position, of the graphene heating pipe, and the light-transmitting plate defines the installation space.

8. The cooking appliance according to any one of claims 1 to 7,

the graphene heating tube includes a curved section.

9. The cooking appliance of any one of claims 1 to 7, wherein the graphene heating tube comprises:

a light-transmitting coil pipe;

the graphene coating is arranged on the inner wall surface of the light-transmitting coil, and infrared rays emitted by the graphene coating can be emitted through the light-transmitting coil.

10. The cooking appliance of any one of claims 1 to 7, wherein the cooking appliance is an air fryer, the body comprising:

the heating module is positioned in the mounting cavity;

a fryer pan movable between a mounting position within the mounting cavity and a removal position extracting the mounting cavity;

wherein, when the heating module is located at the protection position and the fryer tray is located at the installation position, the heating module is higher than the highest point of the fryer tray.

Images