Air fryer

Abstract

The utility model relates to the technical field of kitchen appliances, in particular to an air fryer. Comprising a main machine, an inner container and a main heating module, a large body is arranged on the lower portion of the main machine, and the inner container is detachably arranged in an inner cavity of the large body; a heat insulation cover is arranged between the main machine and the large body, and the main heating module is arranged on the heat insulation cover. The heat insulation cover protrudes upwards to form a flow guide groove, an arc-shaped first flow guide angle is arranged between the top wall and the side wall of the flow guide groove, and an auxiliary heating module is arranged at the bottom of an inner cavity of the large body. According to the air fryer, the main heating module generates high-heat air flow, the high-heat air flow is blown to the inner container under the guidance of the heat insulation cover, the high-heat air flow more evenly covers the space of the inner container under the action of the first flow guide angle, the auxiliary heating module heats the bottom of the inner container, the air flow blowing through the bottom of the inner container is heated for the second time, and therefore the heat efficiency is improved. Therefore, food in the inner container is cooked in a three-dimensional mode, and the air frying efficiency can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen appliance technical field, especially point to a kind of air fryer. BACKGROUND

[0002] Air fryer is common food cooking equipment, through the heat radiation effect of heating tube and high-speed air circulation heating technology, through high-speed air rapid heating and crispification food, make and oil-frying similar effect. Compared with traditional cooking method, air fryer is convenient to clean, can realize constant temperature frying according to setting, can realize whole process microcomputer control automatic cooking.

[0003] Chinese patent CN202220632081 discloses an air fryer, comprising an air fryer body, characterized in that: the air fryer body comprises a storage cavity for accommodating food to be fried; an air circulation device is provided in the air fryer body for driving air to circulate in the storage cavity; a heating device is provided in the air fryer body for heating the air circulating in the storage cavity; and a control module is used to control the air circulation device to change the flow speed of the air circulating in the storage cavity.

[0004] The air circulation device in the above-mentioned prior art is a shaded pole motor driving the fan blade to heat the heating body, thereby forming a hot air circulation in the storage cavity to heat the food. Due to the speed and power consumption of the shaded pole motor and the performance limitations of the heating body, the hot air circulation efficiency and cooking performance of the existing air fryer are difficult to improve.

[0005] Therefore, the prior art needs to be improved and developed. UTILITY MODEL CONTENT

[0006] The utility model aims at the defects and deficiencies of the prior art, and provides an air fryer with reasonable structure and high cooking efficiency.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0008] The utility model discloses an air fryer, including host computer, inner bag and main heating module, the lower part of host computer is equipped with big body, and the inner bag is detachably arranged in the inner chamber of big body, be equipped with the heat shield between host computer and big body, and the main heating module is established in the heat shield, the heat shield is formed the flow guide groove that protrudes upwards, and the top wall and the lateral wall of flow guide groove are equipped with the first flow guide angle of arc, the bottom of big body inner chamber is equipped with auxiliary heating module, the main heating module produces high heat air current, under the guidance of heat shield, blow to the inner bag, under the effect of the first flow guide angle, high heat air current more evenly covers the inner bag space, and the auxiliary heating module heats the bottom of inner bag, makes the air current that blows through the bottom of inner bag is heated secondly, thereby forms the stereoscopic cooking to the food in the inner bag, can effectively promote air fry efficiency.

[0009] According to the above scheme, the main heating module includes a motor, a turbine fan blade and a first heating tube, the turbine fan blade and the first heating tube are arranged in the flow guide groove in pairs, the motor is fixedly arranged in the inner cavity of the host computer above the heat shield, and the output shaft of the motor is rotatably connected with the turbine fan blade through the heat shield. The motor and the turbine fan blade are arranged on the upper and lower sides of the heat shield respectively, the airflow driven by the turbine fan blade can blow through the first heating tube, and the first heating tube heats the airflow to blow hot air to the inner bag. It can be understood that the turbine fan blade can generate vertical downward and horizontal airflow, wherein the horizontal airflow generated by the turbine fan blade is guided by the flow guide groove and the first flow guide angle to change the direction of the airflow, so that the area close to the side wall of the inner bag also has sufficient hot airflow passing through, thereby making the hot airflow in the inner bag more evenly distributed and the cooking efficiency high.

[0010] According to the above scheme, the second flow guide angle of arc is arranged between the bottom plate and the side wall in the inner bag, and further, the high-temperature airflow generated by the main heating module blows into the inner bag from top to bottom to heat the upper surface of the food, and the high-temperature airflow close to the side wall of the inner bag changes direction after passing through the second flow guide angle and flows horizontally along the bottom plate of the inner bag, so that the lower surface of the food in the inner bag is also heated.

[0011] According to the above scheme, the radius R of the first flow guide angle and the second flow guide angle is greater than or equal to 20mm, and the larger first flow guide angle and second flow guide angle can better guide the hot air flow, so that the heat distribution in the inner bag is more uniform, thereby improving the cooking effect of the air fryer.

[0012] According to the above scheme, the bottom plate of the inner bag is provided with a flow-converging cone at the center, as described above, the hot airflow flowing horizontally along the bottom plate of the inner bag converges at the center of the inner bag and flows upward under the guidance of the flow-converging cone, thereby forming a reciprocating circulation high-temperature airflow flow path in the inner bag.

[0013] According to the above scheme, the inner cavity of the inner container is provided with an empty frying plate, a plurality of air permeable grid holes are arranged on the empty frying plate, the empty frying plate is placed above the converging cone, and the edge of the empty frying plate abuts against the inner side wall of the inner container. The empty frying plate is arranged in a spaced manner between the bottom plate of the inner container, the inner side wall of the inner container can be changed in caliber or provided with a convex step, so that the empty frying plate can be suspended in the inner container, and in particular, the empty frying plate can abut against the upper end face of the converging cone, so that the empty frying plate is more stable and deformation of the empty frying plate is prevented.

[0014] According to the above scheme, the auxiliary heating module comprises a base, a shelf plate and a heating disc, the base is fixedly connected with the main body, the shelf plate is arranged between the main body and the base, and the heating disc is arranged on the shelf plate and is provided with a second heating pipe. It can be understood that the inner container is placed on the base and is arranged in close contact with the shelf plate, so that the heat generated by the auxiliary heating module can be conducted to the inner container.

[0015] Specifically, the heating disc is made of a heat-conducting and insulating material, such as ceramic, and the second heating pipe is mounted on the heating disc, that is, the heating disc plus the second heating pipe can be equivalent to an electric ceramic stove disc. The second heating pipe and the above-mentioned first heating pipe are both electric heating pipes, the heating of the heating disc by the second heating pipe can expand the heating area, and the shelf plate heats the bottom plate of the inner container, so that the air passing through the bottom of the inner container is heated twice, and in this process, the high-temperature air can effectively heat the lower surface of the food, thereby forming a three-dimensional heating effect, which can effectively improve the cooking efficiency.

[0016] According to the above scheme, the shelf plate is recessed downward to form a mounting groove, the heating disc is fixedly arranged in the mounting groove, and a heat-resistant glass plate is arranged on the opening of the mounting groove. The heat-resistant glass plate has heat conductivity and is used for packaging the heating disc in the mounting groove, avoiding the influence of water, dirt and the like on the heating disc, and facilitating the cleaning of the inside of the main body.

[0017] According to the above scheme, the motor is provided with a cooling fan, and the side wall of the main machine is provided with an exhaust net, which communicates the inner cavity of the main machine above the heat shield with the outside. It can be understood that the motor can use a double-head motor, one end of the output shaft penetrates through the heat shield to connect and drive the rotation of the turbine blade, and the other end of the output shaft is connected to drive the cooling fan, so that the air in the inner cavity of the main machine flows with the outside to reduce the temperature and ensure the working stability of the motor and the internal electrical elements of the main machine.

[0018] The air fryer of the utility model, the main heating module generates high-temperature air flow, which is blown to the inner container under the guidance of the heat shield, and under the action of the first flow guide angle, the high-temperature air flow covers the inner container space more uniformly, the auxiliary heating module heats the bottom of the inner container, so that the air flow blowing through the bottom of the inner container is heated twice, thereby forming three-dimensional cooking on the food in the inner container, which can effectively improve the air frying efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is the whole sectional view structure schematic diagram of the utility model;

[0020] Figure 2 is the whole forward section and the heat cycle direction schematic diagram of the utility model;

[0021] Figure 3 is the base structure schematic diagram of the utility model;

[0022] Figure 4 is the base internal structure schematic diagram of the utility model.

[0023] In the drawing:

[0024] 1, host computer;2, inner container;3, big body;11, heat shield;12, motor;13, turbine fan blade;14, first heating tube;15, heat dissipation fan;16, exhaust net;21, converging cone;22, air frying plate;31, base;32, shelf plate;33, heating disc;34, second heating tube;35, heat-resistant glass plate;110, flow guide groove;111, first flow guide angle;201, second flow guide angle;221, air-permeable grid hole;321, mounting groove. DETAILED DESCRIPTION

[0025] The technical scheme of the utility model will be described below in combination with the drawings and embodiments.

[0026] As Figures 1-4 shown, the utility model discloses an air fryer, including host computer 1, inner container 2 and main heating module, the lower part of host computer 1 is equipped with big body 3, and inner container 2 is detachably arranged in the inner chamber of big body 3;Heat shield 11 is equipped between host computer 1 and big body 3, and main heating module is arranged on heat shield 11;Heat shield 11 is formed by the upward protrusion of flow guide groove 110, and the top wall and the side wall between flow guide groove 110 are equipped with the first flow guide angle 111 of arc, the inner chamber bottom of big body 3 is equipped with auxiliary heating module.The high-temperature air flow generated by main heating module is blown to inner container 2 under the guidance of heat shield 11, and under the action of first flow guide angle 111, the high-temperature air flow more evenly covers the space of inner container 2, and auxiliary heating module heats the bottom of inner container 2, so that the airflow blown through the bottom of inner container 2 is heated again, thereby forming three-dimensional cooking to the food in inner container 2, which can effectively improve the air frying efficiency.

[0027] The main heat generating module includes a motor 12, a turbine fan blade 13 and a first heat generating pipe 14, the turbine fan blade 13 and the first heat generating pipe 14 are arranged in the flow guide groove 110 in pairs from top to bottom, the motor 12 is fixedly arranged in the inner cavity of the main machine 1 above the heat shield 11, and the output shaft of the motor 12 rotatably penetrates the heat shield 11 and is connected with the turbine fan blade 13. The motor 12 and the turbine fan blade 13 are arranged on the upper and lower sides of the heat shield 11 respectively, the airflow driven by the turbine fan blade 13 can blow through the first heat generating pipe 14, and the first heat generating pipe 14 heats the airflow to make the high-temperature air blow to the inner container 2. It can be understood that the turbine fan blade 13 can generate vertical downward and horizontal airflow, wherein the horizontal airflow generated by the turbine fan blade 13 is guided through the flow guide groove 110 and the first flow guide angle 111, the direction of the airflow is changed, so that the area close to the side wall of the inner container 2 also has sufficient hot airflow passing through, thereby making the hot airflow in the inner container 2 more evenly distributed, and the cooking efficiency is high.

[0028] The second flow guide angle 201 in arc shape is arranged between the bottom plate and the side wall in the inner container 2, further, the high-temperature airflow generated by the main heat generating module blows into the inner container 2 from top to bottom, so that the upper surface of the food is heated, and the high-temperature airflow close to the side wall of the inner container 2 changes direction after passing through the second flow guide angle 201 and flows horizontally along the bottom plate of the inner container 2, so that the lower surface of the food in the inner container 2 is also heated.

[0029] The radius R of the first flow guide angle 111 and the second flow guide angle 201 is greater than or equal to 20 mm, the larger first flow guide angle 111 and the second flow guide angle 201 can better guide the hot air flow direction, so that the heat in the inner container 2 is more evenly distributed, thereby improving the cooking effect of the air fryer.

[0030] As shown in Figure 2 The bottom plate center of the inner container 2 is provided with a flow converging cone 21, as described above, the hot airflow flowing horizontally along the bottom plate of the inner container 2 converges at the center of the inner container 2 and flows upward under the guidance of the flow converging cone 21, thereby forming a reciprocating circulating high-temperature airflow path in the inner container 2.

[0031] The inner cavity of the inner container 2 is provided with an air frying plate 22, a plurality of air permeable grid holes 221 are arranged on the air frying plate 22, the air frying plate 22 is placed above the flow converging cone 21, and the edge of the air frying plate 22 abuts against the inner side wall of the inner container 2. The air frying plate 22 is arranged in space with the bottom plate of the inner container 2, the inner side wall of the inner container 2 can be changed in caliber or provided with a convex step, so that the air frying plate 22 can be suspended in the inner container 2, and in particular, the air frying plate 22 can abut against the upper end surface of the flow converging cone 21, so that the air frying plate 22 is more stable and deformation of the air frying plate 22 is prevented.

[0032] The auxiliary heating module comprises a base 31, a shelf plate 32 and a heating disc 33, the base 31 is fixedly connected with the main body 3, the shelf plate 32 is arranged between the main body 3 and the base 31, and the heating disc 33 is arranged on the shelf plate 32, and the second heating tube 34 is arranged on the heating disc 33. It can be understood that the inner container 2 is placed on the base 31 and is arranged in close contact with the shelf plate 32, so that the heat generated by the auxiliary heating module can be conducted to the inner container 2.

[0033] Specifically, the heating disc 33 is made of a heat-conducting and insulating material, such as ceramic, and the second heating tube 34 is mounted on the heating disc 33, that is, the heating disc 33 plus the second heating tube 34 can be equivalent to an electric ceramic stove disc. The second heating tube 34 and the above-mentioned first heating tube 14 are both electric heating tubes, and the second heating tube 34 heats the heating disc 33 to expand the heating area, and heats the bottom plate of the inner container 2 through the shelf plate 32, so that the air passing through the bottom of the inner container 2 is heated twice, and the high-temperature air can effectively heat the lower surface of the food during this process, thereby forming a three-dimensional heating effect, which can effectively improve the cooking efficiency.

[0034] The shelf plate 32 is recessed downward to form a mounting groove 321, and the heating disc 33 is fixedly arranged in the mounting groove 321, and a heat-resistant glass plate 35 is arranged on the opening of the mounting groove 321. The heat-resistant glass plate 35 has heat conductivity and is used to package the heating disc 33 in the mounting groove 321, so as to avoid the influence of water, dirt and the like on the heating disc 33 and facilitate cleaning of the inside of the main body 3.

[0035] The motor 12 is provided with a cooling fan 15, and the side wall of the main machine 1 is provided with an exhaust net 16, and the exhaust net 16 communicates the inner cavity of the main machine 1 above the heat shield 11 with the outside. It can be understood that the motor 12 can use a double-head motor, one end of the output shaft penetrates through the heat shield 11 and is connected and drives the turbine fan blade 13 to rotate, and the other end of the output shaft is connected and drives the cooling fan 15, so that the air in the inner cavity of the main machine 1 flows with the outside to reduce the temperature and ensure the working stability of the motor 12 and the internal electrical elements of the main machine 1.

[0036] The above only describes a preferred embodiment of the present application, and equivalent changes or modifications made according to the structure, features and principles described in the patent application range of the present application are included in the patent application range of the present application.

Claims

1. An air fryer, comprising a main unit (1), an inner liner (2), and a main heating module, wherein the lower part of the main unit (1) is provided with a body (3), and the inner liner (2) is detachably disposed in the inner cavity of the body (3); a heat insulation cover (11) is provided between the main unit (1) and the body (3), and the main heating module is disposed on the heat insulation cover (11); characterized in that, The heat insulation cover (11) protrudes upward to form a flow guide groove (110). An arc-shaped first flow guide angle (111) is provided between the top wall and the side wall of the flow guide groove (110). An auxiliary heating module is provided at the bottom of the inner cavity of the main body (3).

2. The air fryer according to claim 1, characterized in that, The main heating module includes a motor (12), a turbine fan blade (13) and a first heating tube (14). The turbine fan blade (13) and the first heating tube (14) are arranged in a pair in the flow guide groove (110). The motor (12) is fixedly installed in the inner cavity of the main unit (1) above the heat insulation cover (11). The output shaft of the motor (12) rotatably passes through the heat insulation cover (11) to connect to the turbine fan blade (13).

3. The air fryer according to claim 1, characterized in that, An arc-shaped second guide angle (201) is provided between the bottom plate and the side wall inside the inner liner (2).

4. The air fryer according to claim 1 or 3, characterized in that, The radii R of the first guide angle (111) and the second guide angle (201) are both greater than or equal to 20 mm.

5. The air fryer according to claim 1, characterized in that, The inner liner (2) has a flow-gathering cone (21) at the center of its bottom plate.

6. The air fryer according to claim 5, characterized in that, The inner cavity of the inner liner (2) is provided with an air blast plate (22), which has several ventilation grid holes (221). The air blast plate (22) is placed above the flow-converging cone (21), and the edge of the air blast plate (22) abuts against the inner wall of the inner liner (2).

7. The air fryer according to claim 1, characterized in that, The auxiliary heating module includes a base (31), a frame plate (32) and a heating plate (33). The base (31) is fixedly connected to the main body (3). The frame plate (32) is located between the main body (3) and the base (31). The heating plate (33) is located on the frame plate (32). A second heating tube (34) is provided on the heating plate (33).

8. The air fryer according to claim 7, characterized in that, The shelf plate (32) is recessed downward to form a mounting groove (321), and the heating plate (33) is fixedly installed in the mounting groove (321). A heat-resistant glass plate (35) is provided on the opening of the mounting groove (321).

9. The air fryer according to claim 2, characterized in that, The motor (12) is equipped with a cooling fan (15), and the side wall of the main unit (1) is equipped with an exhaust net (16), which connects the inner cavity of the main unit (1) above the heat insulation cover (11) with the outside.

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