Controllable visual up-down heating air fryer

Abstract

The utility model relates to a controllable visual up-and-down heating air fryer which aims at solving the technical problems that an existing similar air fryer product is difficult to be suitable for cooking different food materials by controlling the rotating speed of a motor, so that the cooking effect is poor, the area of a visual window is small, and the visual window and a glass window are inconvenient to produce and assemble. The air fryer is characterized in that a fryer assembly is arranged in an opening in one side of a fryer body of the air fryer, a visible window is arranged on the fryer body above one side of the opening of the fryer body, the visible window is aligned with a glass window on one side of a hardware heat insulation wind scooper, the glass window is obliquely arranged on one side of the hardware heat insulation wind scooper above a fryer opening of a fryer body in the fryer body, and a closed window cavity is formed. The PCBA circuit board is provided with a chopper circuit module for controlling the rotating speed of the alternating current motor; the glass window is embedded in a window hole of the hardware heat insulation wind scooper or a hole opening of the plastic heat insulation cover in a sealed mode through a high-temperature silica gel piece, or the glass window is packaged in a limiting edge groove in the hole opening of the plastic heat insulation cover through the hardware heat insulation wind scooper.

Description

TECHNICAL FIELD

[0001] The utility model relates to air fryer, it is a controllable visible type up and down heating air fryer. BACKGROUND

[0002] Air fryer is a kind of new type household appliance using high-speed air circulation technology to food is fried, the food made by it can reduce 80% oil compared with traditional electric fryer, it is easy to clean in daily use, both safe and economic, and is favored by people. Some air fryers are provided with upper and lower heating pipes and first and second fan blades, such as the application number 202322994491.3 disclosed in Chinese patent document, the authorized announcement date is August 6, 2024, and the utility model name is "temperature control system of air fryer".Such as the application number 202321716232.8 disclosed in Chinese patent document, the authorized announcement date is December 19, 2023, and the utility model name is "a kind of air fryer with new heating device".Such as the application number 202111078318.8 disclosed in Chinese patent document, the application publication date is November 16, 2021, and the invention name is "a kind of visible multifunctional air fryer".But the air fryer in the existing market, when cooking different food materials, because the speed of motor is constant, wind speed is consistent, it is difficult to control the baking state of food material;Or program controls the work of corresponding heating pipe, fan blade according to the temperature data in cavity to adapt to the cooking of different food materials, the control chip cost is higher, resulting in higher production cost, and there are problems such as small visible window area, inconvenient production and assembly of visible window and glass window. SUMMARY

[0003] To overcome the above shortcomings, the utility model aims at providing a kind of air fryer with guide centrifugal impeller to the field, so that it solves the technical problems that the existing similar air fryer product is difficult to adapt to the cooking of different food materials by motor speed control, thereby leading to poor cooking effect, and small visible window area, and inconvenient production and assembly of visible window and glass window.The purpose is realized by the following technical scheme.

[0004] The application discloses a controllable visual type air fryer with upper and lower heating, which comprises a bottom shell, an outer shell and a top shell, an air fryer assembly is arranged in an opening of one side of the body, a cover shell is arranged on one side of a pot body of the air fryer assembly, a convex handle is arranged on the outer side of the cover shell, an upper heating pipe and a second hardware fan blade are arranged in a hardware heat insulation air guide cover groove above a pot opening of the pot body, a motor shaft of an alternating current motor at the top of the hardware heat insulation air guide cover is connected with the second hardware fan blade, an opening of one side of the hardware heat insulation air guide cover is communicated with an air outlet of an air outlet cover of the body, a hardware heat insulation lining is arranged in the body below the hardware heat insulation air guide cover, the hardware heat insulation lining is integrated with a cover opening of the hardware heat insulation air guide cover, an opening of one side of the hardware heat insulation lining is aligned and sealed with the opening of one side of the body, the upper heating pipe and the alternating current motor are connected with a PCBA circuit board at the top of the hardware heat insulation air guide cover through a line, and the PCBA circuit board is connected with a mechanical button or a touch screen button of a control assembly of the body through a line. The structure design points of the application are that a visual window is arranged above the opening of one side of the body, the visual window is aligned with a glass window on one side of the hardware heat insulation air guide cover, the glass window is obliquely arranged above the hardware heat insulation air guide cover of the pot opening in the body, and a closed window cavity is formed, and the PCBA circuit board is provided with a chopper circuit module for controlling the rotating speed of the alternating current motor. Thus, the rotating speed of the alternating current motor is controlled through chopping, different rotating speeds, air speeds and heating time (the time can be adjusted) are formulated for different types of food materials, the conditions of different types of food materials are accurately grasped, and food with excellent taste is prepared, so that the air fryer is controllable in the rotating speed of the motor and visual in the upper and lower heating. The glass window is sealed and inlaid in a window hole of the hardware heat insulation air guide cover or a hole opening of a plastic heat insulation cover through high-temperature silica gel, or the glass window is sealed and inlaid in the window hole of the hardware heat insulation air guide cover through the following packaging mode.

[0005] The top of the metal heat insulation air guide cover is provided with a plastic heat insulation cover, the plastic heat insulation cover is internally provided with a first metal fan blade or a cross-flow fan blade, the motor shaft of the alternating current motor is connected with the first metal fan blade and the second metal fan blade at the same time, or the motor shaft of the alternating current motor is connected with the cross-flow fan blade and the second metal fan blade at the same time; the glass window is sealed and inlaid in the hole of the plastic heat insulation cover at the top of the metal heat insulation air guide cover on one side and forms a closed window cavity with the visible window, the hole of the plastic heat insulation cover is aligned with the window hole of the metal heat insulation air guide cover; the upper edge through hole and the lower edge through hole of the cover shell are respectively aligned and communicated with the waist-shaped through hole at the edge of the plastic heat insulation cover above the opening of the machine body and the lower through hole of the opening of the machine body, the side hole of the plastic heat insulation cover is communicated with the air outlet at the exhaust cover of the machine body, the top inner side upper convex edge of the visible window is fixed to the machine body by a screw and is abutted and sealed, the bottom inner side lower convex edge of the visible window is fixed to the edge of the waist-shaped through hole at the bottom of the plastic heat insulation cover by another screw and is integrated to form the machine body on the side above the opening of the machine body. Thus, the visible area of the visible window is larger, the production and assembly of the visible window, the edge lining, the top shell and the glass window are more convenient, and the hole of the plastic heat insulation cover is limited and the window hole of the metal heat insulation air guide cover is packaged and fixed during installation.

[0006] The hole of the plastic heat insulation cover at the top of the metal heat insulation air guide cover is symmetrically provided with a limiting edge groove on both sides, the glass window is limited and inlaid in the limiting edge groove of the hole of the plastic heat insulation cover, the inner diameter of the window hole of the metal heat insulation air guide cover at the bottom of the plastic heat insulation cover is packaged with the glass window and the high-temperature silica gel part, and the metal heat insulation air guide cover and the plastic heat insulation cover are integrated by screws.

[0007] The side hole of the lower edge hole of the plastic heat insulation cover at the inner side of the visible window is attached to the inner side of the visible window, the lower notch of the lower convex edge of the visible window and the upper convex edge of the upper convex edge are respectively inserted into the upper convex of the side hole of the plastic heat insulation cover and the lower notch, and respectively provided with corresponding screws, and the arc-shaped bending sides of the visible window are buckled and fixed to the machine body and fixed to the machine body by corresponding screws. Thus, the assembly and production between the visible window and the plastic heat insulation cover are facilitated, and further fixed connection is realized by corresponding screws.

[0008] When the cover shell of the fryer assembly is put into the machine body through the opening on one side of the machine body, the cover shell is limited to the convex rib of the waist-shaped through hole edge at the bottom of the plastic heat insulation cover at the opening of the machine body and the three positioning grooves at the plastic heat insulation cover, and triggers the top rod switch assembly in one of the positioning grooves, and the micro switch of the top rod switch assembly is connected with the PCBA circuit board through a line. The above is an embodiment of a specific limiting structure when the fryer assembly is put in and an embodiment of a trigger state monitoring, and the corresponding cover shell of the top rod switch assembly can also be provided with a convex column.

[0009] The glass window and the pot opening of the pot body form an angle of 10-15 degrees with the horizontal plane. The optimal angle is 13 degrees.

[0010] The glass window forms an angle of 50-60 degrees with the outer diameter of one side of the upper plastic heat insulation cover.

[0011] The lower heating pipe is arranged in the bottom groove of the hardware heat insulation inner lining below the pot body, the integrated base lining is arranged in the bottom body of the hardware heat insulation inner lining below the lower heating pipe, and the lower heating pipe is connected with the PCBA circuit board through a line.

[0012] The control assembly is arranged at the top of one side of the opening of the body, the other side of the top of the body is symmetrically provided with a decorative cover hole, and the decorative cover hole is provided with a decorative cover.

[0013] The NTC temperature sensor is arranged on one side of the hardware heat insulation air guide cover above the pot body of the fryer assembly, and the NTC temperature sensor is connected with the PCBA circuit board through a line, so that the temperature change in the body can be monitored in real time through the NTC temperature sensor.

[0014] The utility model discloses reasonable structure design, convenient production and manufacture, low production cost, wide application range, especially the chopper module design of control circuit improves different cooking effect mode simple, and it is suitable as controllable visible type up and down heating air fryer and the structural improvement of similar products. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the half cross-sectional structure schematic diagram of the utility model, and the A part is framed in the drawing.

[0016] Figure 2 It is the A part of Figure 1 The enlarged view.

[0017] Figure 3 It is the front cross-sectional structure schematic diagram of Figure 1 The handle is omitted in the drawing.

[0018] Figure 4 It is the plastic heat insulation cover three-dimensional structure schematic diagram of Figure 1

[0019] Figure 5 It is the plastic heat insulation cover bottom structure schematic diagram of Figure 4

[0020] Figure 6 It is the visible window loading state structure schematic diagram of Figure 4

[0021] Figure 7 It is the visible window loading state structure schematic diagram in the body of Figure 6 . Figure 1

[0022] Figure 8 It is​​​​Figure 6 Visual window in the body of the installation state structure schematic Figure 2 .

[0023] Figure 9 is Figure 3 Improved positive section structure schematic.

[0024] Figure No. and name: 1, PCBA circuit board, 2, AC motor, 3, plastic heat shield, 301, orifice, 3011, limit edge slot, 302, side hole, 303, convex rib, 4, first hardware fan blade, 5, exhaust hood, 6, hardware heat insulation air baffle, 7, second hardware fan blade, 8, upper heating tube, 9, hardware heat insulation lining, 10, pot body, 11, base lining, 12, lower heating tube, 13, cover, 14, handle, 15, glass window, 16, visual window, 17, control assembly, 18, top rod switch assembly, 19, NTC temperature sensor, 20, cross-flow fan blade. Embodiment

[0025] The structure and use of the present application will be further described in conjunction with the accompanying drawings. As Figures 1-9As shown, the air fryer body includes a bottom shell, an outer shell and a top shell, and a fryer assembly is arranged in the opening of one side of the body. The pot body 10 of the fryer assembly is provided with a cover shell 13 on one side, and the outer side of the cover shell is provided with a convex handle 14. The upper edge of the pot of the pot body is provided with an upper heating pipe 8 and a second hardware fan blade 7 in the groove of the hardware heat insulation air guide cover 6. The top of the hardware heat insulation air guide cover is provided with a plastic heat insulation cover 3, and the plastic heat insulation cover is provided with a first hardware fan blade 4 or a cross-flow fan blade 20. The motor shaft of the alternating current motor 2 is connected with the first hardware fan blade and the second hardware fan blade, or the motor shaft of the alternating current motor is connected with the cross-flow fan blade and the second hardware fan blade. The glass window 15 is sealed and embedded in the hole 301 of the plastic heat insulation cover on one side of the top of the hardware heat insulation air guide cover and forms a closed window chamber with the visible window 16. The hole of the plastic heat insulation cover is aligned with the window hole of the hardware heat insulation air guide cover. The upper edge through hole and the lower edge through hole of the cover shell are respectively aligned and communicated with the waist-shaped through hole at the edge of the plastic heat insulation cover above the opening of the body and the lower through hole of the opening of the body. The upper convex edge on the inner side of the top of the visible window is fixed to the body by a screw and is in abutment and sealing. The lower convex edge on the inner side of the bottom of the visible window is fixed to the edge of the waist-shaped through hole at the bottom of the plastic heat insulation cover by another screw and is integrated to form the body above the opening of the body. A hardware heat insulation lining is arranged in the body below the hardware heat insulation air guide cover. The hardware heat insulation lining is integrated with the cover of the hardware heat insulation air guide cover. The opening of one side of the hardware heat insulation lining is aligned and sealed with the opening of one side of the body. The side of the hardware heat insulation air guide cover above the pot body of the fryer assembly is provided with an extended NTC temperature sensor 19. A top rod switch assembly 18 is arranged in a positioning groove of the plastic heat insulation cover above the opening of the body and is triggered when the fryer assembly is put in. The micro switch of the top rod switch assembly, the NTC temperature sensor, the upper heating pipe and the alternating current motor are connected with the PCBA circuit board 1 at the top of the hardware heat insulation air guide cover through a circuit. The PCBA circuit board is connected with the mechanical buttons or touch screen buttons of the control assembly 17 of the body through a circuit. The body above the opening of one side of the body is provided with a visible window 16. The visible window is aligned with the glass window on one side of the hardware heat insulation air guide cover. The PCBA circuit board is provided with a chopper circuit module for controlling the rotating speed of the alternating current motor.

[0026] The plastic heat insulation cover at the top of the above-mentioned hardware heat insulation air guide cover is provided with a limiting edge groove 3011 symmetrically on both sides of the hole. The glass window is limitedly embedded in the limiting edge groove of the hole of the plastic heat insulation cover. Meanwhile, the glass window and the high-temperature silica gel part are encapsulated in the inner diameter of the window hole of the hardware heat insulation air guide cover at the bottom of the plastic heat insulation cover. The hardware heat insulation air guide cover and the plastic heat insulation cover are connected as a whole through screws. The side hole 302 of the hole at the lower edge of the inner side of the plastic heat insulation cover of the visible window is attached to the inner side of the visible window. Meanwhile, the lower notch at the lower convex edge and the upper convex part at the upper convex edge of the visible window are respectively inserted into the lower convex part and the upper notch of the side hole of the plastic heat insulation cover, and respectively provided with corresponding screws. The arc-shaped curved two sides of the visible window are buckled and fixed to the machine body and fixed to the machine body through corresponding screws. When the cover shell of the fryer assembly is put into the machine body through the opening on one side of the machine body, the cover shell is limited to the convex rib 303 of the waist-shaped through hole edge at the bottom of the plastic heat insulation cover and the three positioning grooves at the plastic heat insulation cover. One of the three positioning grooves is provided with a top rod switch assembly.

[0027] The upper through hole of the above-mentioned edge lining is aligned with the waist-shaped through hole below the side hole of the inner side of the plastic heat insulation cover of the visible window. Meanwhile, the side hole of the plastic heat insulation cover is attached to the inner side of the visible window. The lower notch at the lower convex edge and the upper convex part at the upper convex edge of the visible window are respectively inserted into the lower convex part and the upper notch of the side hole of the plastic heat insulation cover. When the cover shell of the fryer assembly is put into the machine body through the opening on one side of the machine body, the cover shell is limited to the convex rib at the bottom of the edge lining and the three positioning grooves at the plastic heat insulation cover.

[0028] The above-mentioned glass window and the horizontal plane between the pot opening of the pot body form an angle of 13 degrees. The glass window and the outer diameter of one side of the upper plastic heat insulation cover form an angle of 58 degrees. Meanwhile, the lower heating pipe 12 is arranged in the groove at the bottom of the hardware heat insulation lining below the pot body. The bottom seat lining 11 is integrally attached to the machine body inside the groove at the bottom of the hardware heat insulation lining below the lower heating pipe. The lower heating pipe is connected with the PCBA circuit board through a line. The control assembly is arranged at the top of the opening side of the machine body. The other side of the top of the machine body is provided with a decorative cover hole. The decorative cover hole is provided with a decorative cover.

[0029] In use, the fryer assembly is taken out from the machine body. Food is put into the pot body of the fryer assembly. The mechanical button or touch screen button of the control assembly is pressed. After the food is cooked, the food in the fryer assembly is taken out. The above-mentioned air fryer is used for controlling the speed of the alternating current motor through the chopping wave alternating current voltage regulation.

Claims

1. A controllable visual type up and down heating air fryer, the body of the air fryer comprises a bottom shell, an outer shell and a top shell, an air fryer assembly is arranged in the side opening of the body, a cover shell (13) is arranged on one side of the pot body (10) of the air fryer assembly, a convex handle (14) is arranged on the outer side of the cover shell, an upper heating pipe (8) and a second hardware fan blade (7) are arranged in the recess of the hardware heat insulation air guide cover (6) above the pot opening of the pot body, the motor shaft of the alternating current motor (2) at the top of the hardware heat insulation air guide cover is connected with the second hardware fan blade, the side opening of the hardware heat insulation air guide cover is communicated with the air outlet of the exhaust cover (5) of the body, a hardware heat insulation lining (9) is arranged in the body below the hardware heat insulation air guide cover, the hardware heat insulation lining is integrated with the cover opening of the hardware heat insulation air guide cover, the side opening of the hardware heat insulation lining is aligned and sealed with the side opening of the body, the upper heating pipe and the alternating current motor are connected with the PCBA circuit board (1) at the top of the hardware heat insulation air guide cover through lines, the PCBA circuit board is connected with the mechanical buttons or touch screen buttons of the control assembly (17) of the body through lines; characterized in that The body is provided with a visible window (16) above the opening side of the body, the visible window is aligned with the glass window (15) on one side of the hardware heat insulation air guide cover (6), the glass window is obliquely arranged above the pot opening of the pot body (10) in the body and forms a closed window chamber, and the PCBA circuit board (1) is provided with a chopper circuit module for controlling the rotating speed of the alternating current motor (2).

2. The controllable visual type top and bottom heating air fryer according to claim 1, characterized in that The top of the hardware heat insulation air guide cover (6) is provided with a plastic heat insulation cover (3), the plastic heat insulation cover is internally provided with a first hardware fan blade (4) or a cross-flow fan blade (20), the motor shaft at the alternating current motor (2) is connected with the first hardware fan blade and the second hardware fan blade (7) at the same time, or the motor shaft at the alternating current motor is connected with the cross-flow fan blade and the second hardware fan blade at the same time; the glass window (15) is sealed and embedded in the hole (301) at the top of the plastic heat insulation cover on one side of the hardware heat insulation air guide cover by high-temperature silica gel and forms a closed window chamber with the visible window (16), the hole of the plastic heat insulation cover is aligned with the window hole of the hardware heat insulation air guide cover; the upper edge through hole and the lower edge through hole of the cover shell (13) are respectively aligned and communicated with the waist-shaped through hole at the edge of the plastic heat insulation cover above the opening of the body and the lower through hole of the body, the side opening of the plastic heat insulation cover is communicated with the air outlet at the air exhaust cover (5) of the body, the top inner side upper convex edge of the visible window is fixed to the body by a screw and is abutted and sealed, and the bottom inner side lower convex edge of the visible window is fixed to the edge of the waist-shaped through hole at the bottom of the plastic heat insulation cover by another screw and is integrated to form the body above the opening side of the body.

3. The controllable visual type top and bottom heating air fryer according to claim 2, characterized in that The two sides of the hole (301) at the plastic heat insulation cover (3) of the top of the hardware heat insulation air guide cover (6) are symmetrically provided with limiting edge grooves (3011), the glass window (15) is limited and embedded in the limiting edge grooves at the hole of the plastic heat insulation cover at the same time, the inner diameter of the window hole of the hardware heat insulation air guide cover at the bottom of the plastic heat insulation cover is encapsulated with the glass window and the high-temperature silica gel, and the hardware heat insulation air guide cover and the plastic heat insulation cover are integrated by screws.

4. The controllable visual type top and bottom heating air fryer according to claim 2, characterized in that The lower edge hole (302) at the lower edge hole of the inner side plastic heat insulation cover (3) at the visible window (16) is attached to the inner side of the visible window at the same time, the lower notch at the lower convex edge of the visible window and the upper convex edge at the upper convex edge are respectively inserted into the upper convex edge and the lower notch of the side hole of the plastic heat insulation cover, and screws are respectively arranged, and the arc-shaped bending two sides of the visible window are buckled and fixed to the body and are fixed to the body by corresponding screws.

5. The controllable visual-type top and bottom heating air fryer according to claim 2, characterized in that When the cover shell (13) of the frying pan assembly is put into the body through the opening on one side of the body, the cover shell is limited to the convex rib (303) at the edge of the waist-shaped through hole at the bottom of the plastic heat insulation cover (3) at the opening of the body and the three positioning grooves at the plastic heat insulation cover, and triggers the top rod switch assembly (18) in one of the positioning grooves, and the micro switch of the top rod switch assembly is connected with the PCBA circuit board (1) through a line.

6. The controllable visual-type top and bottom heating air fryer according to claim 1, characterized in that The glass window (15) and the horizontal plane between the pot opening of the pot body (10) form an angle of 10-15 degrees.

7. The controllable visual-type top and bottom heating air fryer according to claim 1, characterized in that The glass window (15) and the outer diameter of one side of the upper plastic heat insulation cover (3) form an angle of 50-60 degrees.

8. The controllable visual-type top and bottom heating air fryer of claim 1, wherein The lower heating pipe (12) is arranged in the bottom groove of the hardware heat insulation lining (9) below the pot body (10), the integrated base lining (11) is arranged in the bottom body of the hardware heat insulation lining below the lower heating pipe, and the lower heating pipe is connected with the PCBA circuit board (1) through a line.

9. The controllable visual-type top and bottom heating air fryer of claim 1, wherein The control assembly (17) is arranged on the top of one side of the opening of the body, the other side of the top of the body is symmetrically provided with a decorative cover hole, and the decorative cover hole is provided with a decorative cover.

10. The controllable visual-type top and bottom heating air fryer of claim 1, wherein The NTC temperature sensor (19) is arranged on one side of the hardware heat insulation air guide cover (6) above the pot body (10) of the frying pot assembly and extends out, and the NTC temperature sensor is connected with the PCBA circuit board (1) through a line.

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