CN113812862A

CN113812862A - Graphene heating assembly, steam generating device and air fryer

Info

Publication number: CN113812862A
Application number: CN202111144839.9A
Authority: CN
Inventors: 卢楚鹏; 欧阳骁; 陈振邦
Original assignee: Guangdong Vanward New Electric Co Ltd
Current assignee: Guangdong Vanward New Electric Co Ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2021-12-21

Abstract

The invention belongs to the technical field of air fryer, and particularly relates to a graphene heating assembly, a steam generating device and an air fryer. The heating pipe adopts the graphene coating to realize heating, and the heating efficiency is high; the heating speed is high; the food is heated and cooked through high-temperature steam, the food cannot be burnt, the water is not easy to lose, the taste is good, and the user cannot easily get on the fire when eating the food; in addition, because high-temperature steam is adopted for heating, no oil smoke exists in the heating process, and no environmental pollution is caused; high-temperature steam heating efficiency is higher, and food is heated more evenly.

Description

Graphene heating assembly, steam generating device and air fryer

Technical Field

The invention belongs to the technical field of air fryer, and particularly relates to a graphene heating assembly, a steam generating device and an air fryer.

Background

The traditional air fryer utilizes a heating pipe to generate heat, and then uses a fan to blow hot air to food to heat the food for eating. A traditional air fryer, such as patent CN202858889U, discloses a smokeless air fryer, which adopts an electric heating tube to generate hot air, and blows the hot air to food by a fan, the dry hot air causes serious water loss of the food, the food is easy to be burnt, the nutrient components are damaged, and the taste of the food is poor; more oil smoke is generated in the food processing process, and the household environment is polluted; the heating efficiency is low, and the time consumption is long.

Disclosure of Invention

The invention provides the graphene heating assembly, the steam generating device and the air fryer in order to overcome the defects in the prior art, the heating efficiency is high, and the cooked food has good taste.

In order to solve the technical problems, the invention adopts the technical scheme that: a graphene heating assembly comprises a heating pipe, wherein a closed cavity is formed in the heating pipe, an air inlet and an air outlet are formed in the heating pipe, the air inlet and the air outlet are communicated with the closed cavity, the pipe wall of the heating pipe comprises a supporting layer, a graphene coating and an insulating and heat-insulating layer which are sequentially connected from inside to outside, and a first electrode and a second electrode which are electrically connected with the graphene coating are respectively arranged at two ends of the heating pipe. Through the voltage of adjusting the heating pipe both ends to adjust the heating heat, realize the heating through graphite alkene coating, compare the heating methods of traditional resistance wire etc. its calorific loss is little, and the thermal efficiency is high. According to the invention, the graphene coating is uniformly coated on the outer wall of the supporting layer, and the insulating layer is coated outside the graphene coating, so that heat loss can be effectively prevented.

In one embodiment, the support layer is a ceramic layer. The supporting layer is made of ceramic, and has high ceramic strength, good insulating property, high hardness and difficult corrosion.

In one embodiment, the first electrode and the second electrode are both of a clamp structure, the heating pipe comprises a pipe body and flanges which are respectively arranged at two ends of the pipe body in a protruding mode, and the first electrode and the second electrode are respectively sleeved on the flanges at two ends of the pipe body.

In one embodiment, the heating tube further includes a first end cap and a second end cap that are sealed at two ends of the tube body, the first end cap is sleeved on one end flange of the tube body and abuts against the first electrode, so that the first electrode is clamped between the first end cap and one end of the tube body, and the second end cap is sleeved on the other end flange of the tube body and abuts against the second electrode, so that the second electrode is clamped between the second end cap and the other end of the tube body.

In one embodiment, the graphene heating assembly further comprises a steam inlet pipe connected with the air inlet and a steam outlet pipe connected with the air outlet; and one-way valves are arranged in the steam inlet pipe and the steam outlet pipe. The steam inlet pipe is used for being connected with the steam generator and introducing steam into the cavity of the heating pipe, and the one-way valve can prevent the steam from flowing back into the steam generator; the steam outlet pipe is used for discharging the steam which is heated in the heating pipe.

The invention also provides a steam generating device, which comprises a water tank, a steam generator and the graphene heating assembly; the water inlet of the steam generator is communicated with the water outlet of the water tank, and the air inlet of the heating pipe is communicated with the air outlet of the steam generator. When the steam heating device is used, a proper amount of water in the water tank is added into the steam generator according to the requirement, the steam generator heats the water to generate steam, and the steam enters the heating pipe; then the heating pipe rapidly heats the steam to high-temperature steam, and the high-temperature steam is discharged to heat the food; because the graphene coating has the characteristics of high heating efficiency and small heat loss, the heating speed is higher than that of the traditional electric heating pipe.

In one embodiment, a fixing seat is arranged on the steam generator, and the heating pipe is fixed on the fixing seat.

In one embodiment, the steam generator further comprises a water pump for pumping water in the water tank into the steam generator.

The invention also provides an air fryer, which comprises a shell, a cooking cavity, a pot body and a control system; the cooking cavity is arranged in the shell, and the pot body can be placed in the cooking cavity in a picking and placing mode; the control system is arranged in the shell; the steam generating device is arranged in the shell and is spaced from the cooking cavity, and the steam outlet pipe is communicated with the cooking cavity; the control system is respectively and electrically connected with the steam generator, the water pump and the heating pipe. According to the air fryer, food is heated and cooked through high-temperature steam, the air fryer is good in taste, the food cannot be burnt, water is not easy to lose, and a user cannot easily get on the fire when eating the air fryer. In addition, because high-temperature steam is adopted for heating, no oil smoke exists in the heating process, and no environmental pollution is caused; high-temperature steam heating efficiency is higher, and food is heated more evenly.

When the barbecue grill is used, the processes of the water inflow of the steam generator, the pressure, the temperature, the heating time and the like of steam can be controlled through the control system, and intelligent adjustment can be carried out according to different foods, so that the aim of barbecuing and cooking different foods is fulfilled.

In one embodiment, a control knob is connected with the control system; the pot body is provided with a handle; a steam separation net is also arranged in the pot body.

Compared with the prior art, the beneficial effects are: according to the graphene heating assembly, the steam generating device and the air fryer, the heating pipe adopts the graphene coating to realize heating, and the heating efficiency is high; the heating speed is high; the food is heated and cooked through high-temperature steam, the food cannot be burnt, the water is not easy to lose, the taste is good, and the user cannot easily get on the fire when eating the food; in addition, because high-temperature steam is adopted for heating, no oil smoke exists in the heating process, and no environmental pollution is caused; high-temperature steam heating efficiency is higher, and food is heated more evenly.

Drawings

Fig. 1 is a schematic structural view of a graphene heating assembly according to the present invention;

fig. 2 is an exploded view of the structure of the graphene heating assembly of the present invention;

FIG. 3 is a schematic view of the tube wall structure of a heating tube of the present invention;

FIG. 4 is a schematic view of the steam generator of the present invention;

FIG. 5 is an exploded view of the air fryer construction of the present invention;

FIG. 6 is a first perspective structural view of the internal structure of the air fryer of the present invention;

FIG. 7 is a second perspective view of the internal structure of the air fryer of the present invention.

Description of the drawings: 1. a graphene heating assembly; 11. a first electrode; 12. a second electrode; 13. a pipe body; 131. a support layer; 132. a graphene coating; 133. an insulating and heat-insulating layer; 14. a first end cap; 15. a second end cap; 16. a steam inlet pipe; 17. a steam outlet pipe; 2. a steam generating device; 21. a water tank; 22. a steam generator; 23. a fixed seat; 3. a housing; 4. a cooking cavity; 5. a pan body; 6. a control system; 7. a steam screen; 8. a handle.

Detailed Description

The drawings are for illustration purposes only and are not to be construed as limiting the invention; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the invention.

As shown in fig. 1 to 3, a graphene heating assembly 1 includes a heating tube having a closed cavity therein, and an air inlet and an air outlet both communicated with the closed cavity are provided, a tube wall of the heating tube includes a supporting layer 131, a graphene coating 132 and an insulating layer 133 which are sequentially connected from inside to outside, and both ends of the heating tube are respectively provided with a first electrode 11 and a second electrode 12 both electrically connected to the graphene coating 132. Through the voltage of adjusting the heating pipe both ends to adjust the heating heat, realize the heating through graphite alkene coating 132, compare the heating methods of traditional resistance wire etc. its calorific loss is little, and the thermal efficiency is high. In the invention, the graphene coating 132 is uniformly coated on the outer wall of the support layer 131, and the insulating layer 133 is further coated outside the graphene coating 132, so that heat loss can be effectively prevented.

In one embodiment, the support layer 131 is a ceramic layer. The supporting layer 131 is made of ceramic, and has high strength, good insulating property, high hardness, and is not easily corroded.

In one embodiment, the first electrode 11 and the second electrode 12 are both of a clamp structure, the heating tube includes a tube body 13 and flanges respectively protruding from two ends of the tube body, and the first electrode 11 and the second electrode are respectively sleeved on the flanges at two ends of the tube body 13.

As shown in fig. 2, in some embodiments, the heating tube further includes a first end cap 14 and a second end cap 15 that are closed at two ends of the tube body, the first end cap 14 is sleeved on a flange at one end of the tube body 13 and abuts against the first electrode 11, so that the first electrode 11 is sandwiched between the first end cap and one end of the tube body 13, and the second end cap 15 is sleeved on a flange at the other end of the tube body 13 and abuts against the second electrode 11, so that the second electrode 11 is sandwiched between the second end cap and the other end of the tube body 13.

In some embodiments, the graphene heating assembly further comprises a steam inlet pipe 16 connected to the air inlet and a steam outlet pipe 17 connected to the air outlet; one-way valves are arranged in the steam inlet pipe 16 and the steam outlet pipe 17. The steam inlet pipe 16 is used for connecting with the steam generator 22 and introducing steam into the cavity of the heating pipe, and the one-way valve can prevent the steam from flowing back into the steam generator 22; the steam outlet pipe 17 is used for discharging the heated steam in the heating pipe.

In another embodiment, as shown in fig. 4, there is also provided a steam generating device 2, including a water tank 21, a steam generator 22, and the above graphene heating assembly 1; the water inlet of the steam generator 22 is communicated with the water outlet of the water tank 21, and the air inlet of the heating pipe is communicated with the air outlet of the steam generator 22. When the steam heating device is used, a proper amount of water in the water tank 21 is added into the steam generator 22 according to requirements, the steam generator 22 heats the water to generate steam, and the steam enters the heating pipe; then the heating pipe rapidly heats the steam to high-temperature steam, and the high-temperature steam is discharged to heat the food; because graphite alkene coating 132 has the high efficiency that generates heat, the little characteristics of calorific loss, the rate of heating is faster than the rate of heating of traditional electric heating pipe.

In one embodiment, a fixing seat 23 is provided on the steam generator 22, and the heating pipe is fixed on the fixing seat 23. In addition, a water pump is included for pumping the water in the water tank 21 into the steam generator 22.

In another embodiment, as shown in fig. 5 to 7, there is also provided an air fryer comprising a housing 3, a cooking cavity 4, a pot 5, a control system 6; the cooking cavity 4 is arranged in the shell 3, and the pot body 5 can be placed in the cooking cavity 4; the control system 6 is arranged in the shell 3; the steam cooking device comprises a shell 3, a steam outlet pipe 17, a steam generating device 2, a steam outlet pipe and a steam outlet pipe, wherein the steam generating device 2 is arranged in the shell 3 and is spaced from the cooking cavity 4; the control system 6 is electrically connected to the steam generator 22, the water pump and the heating pipe. According to the air fryer, food is heated and cooked through high-temperature steam, the air fryer is good in taste, the food cannot be burnt, water is not easy to lose, and a user cannot easily get on the fire when eating the air fryer. In addition, because high-temperature steam is adopted for heating, no oil smoke exists in the heating process, and no environmental pollution is caused; high-temperature steam heating efficiency is higher, and food is heated more evenly.

In the using process, the water inflow of the steam generator 22, the pressure, the temperature, the heating time and other processes can be controlled by the control system 6, and intelligent adjustment can be carried out according to different foods, so that the aim of barbecuing and cooking different foods is fulfilled.

In some embodiments, a control knob is connected to the control system 6; the pan body 5 is provided with a handle 8; a steam separation net 7 is also arranged in the pot body 5.

The working principle is as follows: firstly, a proper amount of clear water is filled in a water tank 21, a steam separation net 7 is put into a pot body 5, and processed food is put on the steam separation net 7 in the pot body 5; after the pot body 5 and the food are put into the cooking cavity 4, electrifying the air fryer; after the circular telegram, the water pump is with the water pump in the water tank 21 to steam generator 22 in, according to the kind of food and how much of volume, intelligence extraction a certain amount of water, turn into steam with the water heating through steam generator 22, steam enters into to the cavity of heating pipe through steam intake pipe 16 and check valve, the graphite alkene coating 132 of heating pipe generates heat, turn into high temperature steam with steam fast through the secondary heating, high temperature steam discharges in to culinary art cavity 4 from steam outlet duct 17, blow to food, the realization is to the heating of food. In the invention, because the graphene coating 132 has high heating efficiency and small heat loss, the heating speed is higher than that of the traditional electric heating tube, and the ceramic is adopted as the main body part of the heating tube, so that the hardness is high and the corrosion is not easy to occur; when the barbecue grill is used, the water inflow, the pressure of steam, the temperature and the heating time can be controlled by the control system 6, and a user can intelligently adjust the temperature according to the type and the amount of food, so that the aim of barbecuing and cooking different foods is fulfilled. In addition, because high-temperature steam is adopted for heating, no oil smoke exists in the heating process, and no environmental pollution is caused; high-temperature steam heating efficiency is higher, and food is heated more evenly.

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 device or element must have a particular orientation, be constructed and operated in a particular orientation, and are 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; can be mechanically or electrically connected; 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 description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. 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.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a graphite alkene heating element, its characterized in that, has the heating pipe of airtight cavity including inside, and is equipped with air inlet and the gas outlet all with airtight cavity intercommunication, the pipe wall of heating pipe include from interior to exterior supporting layer (131), graphite alkene coating (132) and insulating layer (133) that connect gradually, the both ends of heating pipe be equipped with respectively all with graphite alkene coating (132) electric connection's first electrode (11) and second electrode (12).

2. Graphene heating assembly according to claim 1, wherein the support layer (131) is a ceramic layer.

3. The graphene heating assembly according to claim 1, wherein the first electrode (11) and the second electrode (12) are both of a clamp structure, the heating tube includes a tube body (13) and flanges respectively protruding from two ends of the tube body, and the first electrode (11) and the second electrode are respectively sleeved on the flanges at two ends of the tube body (13).

4. The graphene heating assembly according to claim 3, wherein the heating tube further includes a first end cap (14) and a second end cap (15) which are sealed at two ends of the tube body, the first end cap (14) is sleeved on one end flange of the tube body (13) and abuts against the first electrode (11), so that the first electrode (11) is clamped between the first end cap (14) and one end of the tube body (13), and the second end cap (15) is sleeved on the other end flange of the tube body (13) and abuts against the second electrode (11), so that the second electrode (11) is clamped between the second end cap (15) and the other end of the tube body (13).

5. The graphene heating assembly according to claim 1, further comprising a steam inlet pipe (16) connected to the air inlet and a steam outlet pipe (17) connected to the air outlet; and one-way valves are arranged in the steam inlet pipe (16) and the steam outlet pipe (17).

6. A steam generating device, characterized by comprising a water tank (21), a steam generator (22) and a graphene heating assembly (1) according to any one of claims 1 to 5; the water inlet of the steam generator (22) is communicated with the water outlet of the water tank (21), and the air inlet of the heating pipe is communicated with the air outlet of the steam generator (22).

7. A steam generating device according to claim 6, characterized in that the steam generator (22) is provided with a fixing seat (23), and the heating pipe is fixed on the fixing seat (23).

8. A steam generating device according to claim 6, further comprising a water pump for pumping water from the water tank (21) into the steam generator (22).

9. An air fryer comprises a shell (3), a cooking cavity (4), a pot body (5) and a control system (6); the cooking cavity (4) is arranged in the shell (3), and the pot body (5) can be placed in the cooking cavity (4); the control system (6) is arranged on the shell (3); characterized in that it also comprises a steam generating device (2) according to any one of claims 6 to 8, said steam generating device (2) being mounted inside the casing (3) and spaced from said cooking cavity (4), the steam outlet duct (17) being in communication with the cooking cavity (4); the control system (6) is respectively and electrically connected with the steam generator (22), the water pump and the heating pipe.

10. An air fryer according to claim 9, wherein a control knob is connected to said control system (6); a handle (8) is arranged on the pot body (5); a steam separation net (7) is also arranged in the pot body (5).