CN114916841A

CN114916841A - Air fryer

Info

Publication number: CN114916841A
Application number: CN202210608689.0A
Authority: CN
Inventors: 毛崇会; 欧阳红龙
Original assignee: Guangdong Jiawei Electrical Technology Co Ltd
Current assignee: Guangdong Jiawei Electrical Technology Co Ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-08-19
Anticipated expiration: 2042-05-31
Also published as: CN114916841B

Abstract

The invention discloses an air fryer which is characterized by comprising a shell and a hot air assembly, wherein the shell is provided with a cooking cavity for containing food, the hot air assembly is used for heating and delivering air into the cooking cavity, and the hot air assembly is positioned at the upper end of the cooking cavity. The casing is provided with backward flow wind channel, the both ends in backward flow wind channel respectively with the culinary art chamber the hot-blast subassembly intercommunication. The casing still is connected with the loading board, the loading board will the culinary art chamber divide into heating chamber 111111 and backward flow chamber, backward flow wind channel's tip is located the backward flow chamber, the loading board is equipped with first air suction groove and second and inhales the wind groove, first air suction groove is the circular recess, and set up in the center of loading board, the second air suction groove is the ring channel to around first air suction groove setting, the loading board is equipped with a plurality of holes of induced drafting, a plurality of holes of induced drafting arrange uniformly at the cell wall in first air suction groove, the cell wall in second air suction groove. The bearing plate plays the wind-guiding effect and can improve heated air circulation efficiency, guarantees food processing effect.

Description

Air fryer

Technical Field

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

Background

The existing air fryer blows air heated by a heating pipe into the pan through a fan to realize liner circulation to cook food. However, the heating device is usually disposed at the upper portion of the pot, so that the temperature of the air flow at the upper portion of the air fryer is relatively high, the temperature of the air flow at the lower portion of the air fryer is relatively low, and the temperature difference between the upper portion and the lower portion of the air fryer is relatively large, so that the food in the pot is not uniformly heated to affect the cooking effect, and the taste of the food is relatively poor.

The air that has one kind through installing wind channel or wind-guiding structure additional explodes the pot, and the air conditioning stream of bottom is pumped to heating device department and is rewarming to this ensures that food is heated evenly, but owing to need place food in frying the pot, the wind-guiding structure or the wind channel of installing additional hardly play too big effect, influence the user and use.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an air fryer which can improve the hot air circulation efficiency and ensure the food processing effect.

An air fryer in accordance with an embodiment of a first aspect of the present invention includes a housing having a cooking chamber therein for receiving food items. The shell is provided with a hot air assembly for heating and conveying air into the cooking cavity, and the hot air assembly is connected to the shell and is positioned at the upper end of the cooking cavity. Connect in the casing has the backward flow wind channel, the both ends in backward flow wind channel respectively with culinary art chamber, hot-blast subassembly intercommunication. The casing is provided with the loading board for place the food of waiting to heat, loading board detachably connect in the casing, and be located the culinary art intracavity, the loading board will the culinary art chamber divide into heating chamber 111111 and backward flow chamber, backward flow wind channel's tip is located the backward flow chamber, the loading board is equipped with first air suction groove and second air suction groove, first air suction groove is the circular recess, and set up in the center of loading board, the second air suction groove is the ring channel, and centers on first air suction groove sets up, the loading board is equipped with a plurality of holes of induced drafting, and is a plurality of the hole of induced drafting is arranged uniformly the cell wall in first air suction groove the cell wall in second air suction groove.

The air fryer provided by the embodiment of the invention has at least the following beneficial effects: two ends of the return air duct are respectively communicated with the cooking cavity and the hot air assembly. When the hot air is slowly cooled along with the dissipation of heat, the density of the cooled hot air is increased, the hot air is deposited at the lower part in the cooking cavity, and the hot air returns to the air heater assembly again through the return air duct to be heated again to form hot air circulation, so that the temperature in the cooking cavity is stable, and the food processing quality is ensured. The cooking cavity is divided into the heating cavity 111 and the backflow cavity by the bearing plate, and it can be understood that hot air with lower temperature is mostly accumulated in the backflow cavity due to the fact that the density of the hot air is increased, the end portion of the backflow air channel is located in the backflow cavity, and the hot air with lower temperature can be guided to recirculate. The hole of induced drafting can play the effect of guide to hot-blast, can accelerate the lower hot-blast efficiency that gets into the backward flow chamber of temperature, and then improves heated air circulation reheat's efficiency, ensures that the temperature of culinary art intracavity is more invariable, further guarantees the processing effect of food, improves user's use and experiences.

According to some embodiments of the invention, the groove walls of the first air suction groove and the second air suction groove are curved inclined walls with radian, and the aperture of the air suction hole is gradually increased from two sides of the curved inclined walls to the middle.

According to some embodiments of the invention, a fixing boss is arranged around the inner wall of the cooking cavity, the fixing boss is provided with a limiting groove, the edge of the bearing plate is connected with a fixing block capable of abutting against the fixing boss, the fixing block is connected with a limiting boss, and the limiting boss is inserted into the limiting groove.

According to some embodiments of the invention, the cooking device further comprises a heat shield and a partition plate, wherein an air supply cavity is defined by the heat shield and the partition plate, the partition plate is provided with a plurality of through holes, and the plurality of through holes are communicated with the air supply cavity and the cooking cavity.

According to some embodiments of the invention, the partition board is further provided with a ventilation pipeline, the ventilation pipeline comprises an air inlet and an air outlet, the air inlet is communicated with the backflow air channel, and the air outlet is communicated with the air supply cavity.

According to some embodiments of the invention, a lifting handle is connected to the bearing plate, the lifting handle is located in the first wind suction groove, and the height of the lifting handle does not exceed the groove wall of the first wind suction groove.

According to some embodiments of the present invention, the hot wind assembly includes a blowing part provided at the first ventilating member, the blowing part for supplying air to the cooking chamber, and a heating part provided at the cooking chamber, the heating part for heating air.

According to some embodiments of the present invention, the blowing component includes a motor and a first fan blade, the first fan blade is disposed at an output end of the motor, the first fan blade is disposed toward the cooking cavity, and the motor drives the first fan blade to rotate so as to deliver air to the cooking cavity.

According to some embodiments of the present invention, the blowing part further includes a second fan blade, the second fan blade is disposed at an output end of the motor, the second fan blade is disposed opposite to the cooking cavity, and the motor drives the second fan blade to rotate so as to deliver air to the motor.

According to some embodiments of the invention, the pot body further comprises an exhaust duct, the exhaust duct is provided with a first exhaust pipe and a second exhaust pipe, the first exhaust pipe is used for exhausting water vapor in the cooking cavity, and the second exhaust pipe is used for dissipating heat of the motor.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention is further described with reference to the following figures and examples, in which:

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

FIG. 2 is a schematic view of a carrier plate of an air fryer in accordance with an embodiment of the present invention

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

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

FIG. 5 is a schematic view of a second venting member of an air fryer in accordance with an embodiment of the present invention.

Reference numerals:

the cooking device comprises a shell 100, a cooking cavity 110, a heating cavity 111, a backflow cavity 112, a bearing plate 120, a first air suction groove 121, a second air suction groove 122, a bent arc inclined wall 123, an air suction hole 124, a lifting handle 125, a backflow air duct 200, a first ventilation piece 210, a heat insulation cover 211, a partition plate 212, an air supply cavity 213, a through hole 214, a ventilation pipeline 215, an air inlet 216, an air outlet 217, a second ventilation piece 220, a hot air assembly 300, an air supply part 310, a motor 311, a first fan blade 312, a second fan blade 313 and a heating part 320.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings only for the convenience of description of the present invention and simplification of the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise specifically limited, terms such as set, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention by combining the specific contents of the technical solutions.

Referring to fig. 1, an air fryer is provided for the present invention comprising a housing 100 having a cooking chamber 110 for receiving food items. The housing 100 is provided with a hot air assembly 300, and it is understood that the hot air assembly 300 is for heating and delivering air into the cooking chamber 110, and the hot air assembly 300 is connected to the housing 100 and is located at an upper end of the cooking chamber 110. The casing 100 is further connected to a return air duct 200, and two ends of the return air duct 200 are respectively communicated with the cooking cavity 110 and the hot air assembly 300. When the hot air is slowly cooled along with the dissipation of heat, the density of the cooled hot air is increased, the cooled hot air is deposited at the lower part in the cooking cavity 110 and returns to the hot air blower assembly again through the return air duct 200 to be heated again to form hot air circulation, so that the temperature in the cooking cavity 110 is ensured to be stable, and the food processing quality is ensured.

The housing 100 is provided with a bearing plate 120 for placing food to be heated, the bearing plate 120 is detachably connected to the housing 100 and located in the cooking cavity 110, the cooking cavity 110 is divided into the heating cavity 111 and the return cavity 112 by the bearing plate 120, it can be understood that hot air with lower temperature is mostly accumulated in the return cavity 112 due to increased density, and the end of the return air duct 200 is located in the return cavity 112, so that the recirculation of hot air with lower temperature can be guided. The bearing plate 120 is provided with a first air suction groove 121 and a second air suction groove 122, wherein the first air suction groove 121 is a circular groove and is disposed at the center of the bearing plate 120, so that food can be better fixedly placed. And the second suction groove 122 is a ring-shaped groove and is disposed around the first suction groove 121. The bearing plate 120 is provided with a plurality of air suction holes 124, and the plurality of air suction holes 124 are uniformly arranged on the groove wall of the first air suction groove 121 and the groove wall of the second air suction groove 122. Hole 124 induced drafts can play the effect of guide to hot-blast, can accelerate the lower hot-blast efficiency that gets into backflow cavity 112 of temperature, and then improves heated air circulation reheating's efficiency, ensures that the temperature in the culinary art chamber 110 is more invariable, further guarantees the processing effect of food, improves user's use and experiences.

Referring to fig. 2, the groove walls of the first and second

air suction grooves

121 and 122 are curved inclined walls 123 having a curvature, and the angle of the curved inclined walls 123 is not limited herein. The curved oblique wall 123 with the radian can have a better guiding effect on the air flow in the cooking cavity 110, the air suction holes 124 are arranged on the curved oblique wall 123, the curved portion is matched with the guiding of the air flow, the air flow enters the backflow cavity 112 through the air suction holes 124, the air suction holes 124 are matched with the curved oblique wall 123 to jointly act to form local suction on the air flow, and the efficiency of hot air circulation is accelerated, so that the cooking effect of food is ensured. Preferably, the aperture of the air suction hole 124 gradually increases from the two sides of the curved inclined wall 123 toward the middle to form a structure similar to a tapered hole, so as to further promote the efficiency of the air flow entering the return cavity 112 through the air suction hole 124. Optionally, the air suction hole 124 is a circular hole, and one side of the bearing plate 120 located in the return cavity 112 is connected with an air guide plate, the air guide plate is disposed around the air suction hole 124, and the air guide plate cooperates with the air suction hole 124 to form a tapered hole, which can further increase the efficiency of the air flow entering the return cavity 112 through the air suction hole 124.

Referring to fig. 1, the inner wall of the cooking cavity 110 is surrounded by a fixing boss, the fixing boss is provided with a limiting groove, the edge of the bearing plate 120 is connected with a fixing block which can abut against the fixing boss, the fixing block is connected with a limiting boss, and the limiting boss is inserted into the limiting groove.

Referring to fig. 3, the cooking device further includes a heat shield 211 and a partition 212, the heat shield 211 and the partition 212 enclose an air supply cavity 213, the partition 212 is provided with a plurality of through holes 214, and the plurality of through holes 214 are all communicated with the air supply cavity 213 and the cooking cavity 110. The heat shield 211 and the partition 212, the heat shield 211 and the partition 212 enclose a blowing chamber 213, and the plurality of through holes 214214 communicate with the blowing chamber 213 and the cooking chamber 110. The partition 212 is opened with a plurality of through holes 214, and the air supply chamber 213 and the cooking chamber 110 are communicated through the through holes 214, so that the hot air assembly 300 can drive air from the air supply chamber 213 into the cooking chamber 110. Meanwhile, the plurality of through holes 214 are uniformly formed in the partition 212, so that air can be dispersed through the plurality of through holes 214 when entering the cooking chamber 110, and the air can uniformly enter the cooking chamber 110, so that the temperature in the cooking chamber 110 is uniform.

Further, referring to fig. 1, the partition 212 is further provided with a ventilation duct 215, the ventilation duct 215 includes an air inlet 216 and an air outlet 217, the air inlet 216 is communicated with the return air duct 200, and the air outlet 217 is communicated with the air supply chamber 213. The air outlet 217 communicates with the blowing chamber 213. The ventilation duct 215 is arranged in the air supply cavity 213, an air inlet 216 of the ventilation duct 215 is communicated with the second ventilation member 220, an air outlet 217 of the ventilation duct 215 is communicated with the air supply cavity 213, cold air is conveyed to the air inlet 216 of the ventilation duct 215 through the second ventilation member 220 and is released into the air supply cavity 213 from the air outlet 217, and then the cold air is reheated and blown to the cooking cavity 110 through the hot air assembly 300, so that the cold air in the cooking cavity 110 can be reheated, the cold air is prevented from being accumulated at the bottom of the cooking cavity 110, and the temperature in the cooking cavity 110 is uniform.

Referring to fig. 2, the carrying plate 120 is connected with a lifting handle 125, the lifting handle 125 is located in the first air suction groove 121, and when a user needs to detach the carrying plate 120 for cleaning, the user can directly operate by taking off the lifting handle 125, which is convenient for the user to use. Alternatively, the height of the lifting handle 125 does not exceed the wall of the first air suction groove 121, which is more advantageous for placing food in the middle and better contacting hot air, thereby further ensuring cooking effect. Optionally, the two sides of the lifting handle 125 have rotating shafts which are rotatably connected to the bearing plate 120, and the lifting handle 125 can completely fit the groove wall of the first air suction groove 121 when rotating and retracting, the lifting handle 125 can be put down to fit the first air suction groove 121 during cooking, and food is directly placed in the first air suction groove 121, so that space can be further saved, and the use of a user can be optimized.

Referring to fig. 4, the hot wind assembly 300 includes a blowing part 310 and a heating part 320, the blowing part 310 is provided at the first ventilating part 210, the blowing part 310 is used to supply air to the cooking chamber 110, the heating part 320 is provided at the cooking chamber 110, and the heating part 320 is used to heat the air.

The blowing part 310 includes a motor 311 and a first fan blade 312, the first fan blade 312 is disposed at an output end of the motor 311, the first fan blade 312 is disposed toward the cooking cavity 110, and the motor 311 drives the first fan blade 312 to rotate so as to deliver air to the cooking cavity 110. The blowing part 310 is provided at the first ventilating member 210, the blowing part 310 serves to supply air to the cooking chamber 110, the heating part 320 is provided at the cooking chamber 110, and the heating part 320 serves to heat the air. The blowing part 310 is provided in the first ventilating member 210, and air is moved from the first ventilating member 210 to the cooking chamber 110 by the blowing part 310, and the heating part 320320 provided in the cooking chamber 110 heats the air to air-fry the food by the hot air. Meanwhile, air can circulate among the first ventilating member 210, the cooking cavity 110 and the second ventilating member 220 by the blowing member 310, so that cold air in the cooking cavity 110 can be reheated by the heating member 320, accumulation of cold air at the bottom of the cooking cavity 110 is prevented, temperature in the cooking cavity 110 is uniform, and cooking quality of food is improved.

The blowing part 310 further includes a second fan 313, the second fan 313 is disposed at an output end of the motor 311, the second fan 313 is disposed opposite to the cooking cavity 110, and the motor 311 drives the second fan 313 to rotate so as to deliver air to the motor 311. The second fan 313 is disposed at an output end of the motor 311, the second fan 313 is disposed opposite to the cooking cavity 110, and the motor 311 drives the second fan 313 to rotate to supply air to the motor 311. The second fan 313 is arranged at the output end of the motor 311, the second fan 313 is arranged opposite to the cooking cavity 110, and the motor 311 drives the second fan 313 to rotate, so that air can be blown to the motor 311, the temperature of the motor 311 is reduced, and heat accumulation at the motor 311 is prevented. It should be noted that the first fan blade 312 and the second fan blade 313 are both disposed at an output end of the motor 311, and the motor 311 drives the first fan blade 312 and the second fan blade 313 to rotate synchronously, so that cold air can be simultaneously delivered to the cooking cavity 110 and the motor 311, and when the motor 311 is started, hot air can be simultaneously delivered to the cooking cavity 110 and cold air can be simultaneously delivered to one side of the motor 311, thereby preventing overheating of electrical components and prolonging the service life of the air fryer.

The pot body is also provided with an exhaust pipeline, the exhaust pipeline is provided with a first exhaust pipe and a second exhaust pipe, the first exhaust pipe is used for discharging water vapor in the cooking cavity 110, and the second exhaust pipe is used for dissipating heat of the motor 311. The exhaust duct is provided with a first exhaust pipe for exhausting water vapor in the cooking chamber 110 and a second exhaust pipe for dissipating heat of the motor 311. First flabellum 312 drives the air and circulates among first ventilation piece 210, culinary art chamber 110 and second ventilation piece 220, and food holding is in culinary art chamber 110 to carry out the air to food and fry, the in-process of processing food can produce oil smoke and vapor, and oil smoke and vapor can be discharged through first blast pipe, avoid oil smoke and vapor to remain in the pot body, reduce the baking flavor that oil smoke and vapor remain and bring, promote the culinary art quality of food. The second fan 313 drives air to blow toward the motor 311 to take away heat at the motor 311 and exhaust the heat through the second exhaust pipe, so that heat can be prevented from accumulating at the motor 311 and the service life of the motor 311 can be prolonged.

It should be noted that, the first exhaust pipe and the second exhaust pipe are sealed, so as to prevent the air from moving between the first exhaust pipe and the second exhaust pipe, prevent the hot air from entering the motor 311 through the first exhaust pipe and the second exhaust pipe, and prevent the temperature of the motor 311 from increasing.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. Air fryer, its characterized in that includes:

a housing having a cooking cavity therein for receiving food;

a hot air assembly for heating and delivering air into the cooking chamber, the hot air assembly being connected to the housing and located at an upper end of the cooking chamber;

the backflow air duct is connected to the shell, and two ends of the backflow air duct are respectively communicated with the cooking cavity and the hot air assembly;

the loading board for place the food of treating the heating, loading board detachably connect in the casing, and be located the culinary art intracavity, the loading board will the culinary art chamber divide into heating chamber 111111 and backward flow chamber, the tip in backward flow wind channel is located the backward flow chamber, the loading board is equipped with first air suction groove and second air suction groove, first air suction groove is circular groove, and set up in the center of loading board, the second air suction groove is the ring channel, and center on first air suction groove sets up, the loading board is equipped with a plurality of holes of induced drafting, and is a plurality of the hole of induced drafting is arranged uniformly the cell wall in first air suction groove the cell wall in second air suction groove.

2. The air fryer according to claim 1, wherein the wall of each of said first and second air-suction grooves is a curved inclined wall having a curvature, and the aperture of said air-suction holes increases from the two sides of said curved inclined wall toward the center.

3. The air fryer according to claim 1, wherein a fixing boss is circumferentially arranged on the inner wall of the cooking cavity, the fixing boss is provided with a limiting groove, a fixing block capable of abutting against the fixing boss is connected to the edge of the bearing plate, a limiting boss is connected to the fixing block, and the limiting boss is inserted into the limiting groove.

4. The air fryer according to claim 1, further comprising a heat shield and a partition, wherein the heat shield and the partition enclose a blowing cavity, the partition is provided with a plurality of through holes, and the plurality of through holes are communicated with the blowing cavity and the cooking cavity.

5. The air fryer according to claim 1, wherein the partition plate is further provided with a ventilation duct, the ventilation duct comprises an air inlet and an air outlet, the air inlet is communicated with the return air duct, and the air outlet is communicated with the air supply cavity.

6. An air fryer according to claim 1, wherein a carrying handle is attached to said carrier plate, said carrying handle being located within said first air draft slot and said carrying handle having a height not exceeding a slot wall of said first air draft slot.

7. The air fryer of claim 1, wherein said hot air assembly comprises a blower member disposed in said first vent for delivering air to said cooking chamber and a heating member disposed in said cooking chamber for heating the air.

8. The air fryer according to claim 7, wherein said blowing member comprises a motor and a first fan disposed at an output end of said motor, said first fan being disposed toward said cooking cavity, said motor driving said first fan to rotate to deliver air to said cooking cavity.

9. The air fryer according to claim 8, wherein said blowing assembly further comprises a second fan disposed at an output end of said motor, said second fan disposed opposite said cooking cavity, said motor driving said second fan to rotate to deliver air to said motor.

10. An air fryer according to claim 9, wherein the pot further comprises an exhaust duct, the exhaust duct having a first exhaust duct for venting water vapour from the cooking chamber and a second exhaust duct for dissipating heat from the motor.