Air fryer safe to use
By designing the electronic control connection between the micro switch and the signal transmitter in the air fryer, we ensure that the motor and the heating body work only when the cover is in the correct position, solving the safety accidents caused by vibration or accidental touch of the existing air fryer, and improving the cooking effect and safety.
Patent Information
- Application Number
- CN202421543547.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-07-01
AI Technical Summary
The existing air fryer is separated from the chassis due to vibration, unstable placement or user mistaken touching during work, causing the motor and heating body to continue to operate, affecting the food heating effect and posing a risk of safety accidents.
An air fryer including a host and a chassis is designed. The main control board, a motor and a heating body are installed in the host. The chassis is equipped with a micro switch, a switch control board and a power supply group. Through the electronic control connection between the micro switch and the signal transmitter, the motor and the heating body are only enabled to work when the cover is in the correct position.
It effectively avoids the problem of housing separation caused by vibration or accidental touch, ensures the normal operation of the motor and heating body, improves the food cooking effect, and enhances the safety of use.
Smart Images

Figure CN222840876U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of air fryers, in particular to an air fryer that is safe to use. Background Art
[0002] The utility model patent with Chinese patent number CN202220184353.1 discloses an air frying food cooking machine, which includes a main unit, a motor and a heating element are arranged in the main unit, a fan is connected to the output end of the motor, a cover body extending downward is connected to the bottom of the main unit, the bottom of the cover body is supported by a chassis, the main unit and the cover body are detachably arranged relative to the chassis, the support surface on the chassis and the inner wall of the cover body constitute a food baking and frying cavity, food is placed in the food baking and frying cavity, and the fan in the main unit generates airflow to blow the heat of the heating element through the bottom of the main unit to the food baking and frying cavity. The above-mentioned food processor also has the conditions to form a closed space when in working state, and heats and cooks food. When not in working state, the cover can be separated from the chassis, and the food roasting and frying cavity disappears on the chassis. At this time, the chassis can support and hold the food or the food stored in the frying basket, which changes the inherent combination of the food cavity in the air fryer in the prior art that cannot be changed and must coexist with the food, and breaks through the technical difficulties of the prior art. However, the main unit is located on the top of the cover, and the main unit may fall over due to vibration, unstable placement, or accidental touch by the user during operation, causing the cover to separate from the chassis. At this time, the motor and the heating element continue to run, which not only affects the heating and cooking effect of the food, but more importantly, may also cause safety accidents. Therefore, further improvements are necessary. Utility Model Content
[0003] The utility model aims to provide an air fryer which is safe to use, so as to overcome the deficiencies in the prior art.
[0004] An air fryer designed for this purpose is safe to use, comprising a main unit and a chassis, wherein a main control board, a motor and a heating element electrically connected to the main control board are arranged in the main unit, a cover body is arranged at the bottom of the main unit, and the main unit is separated from or covered on the chassis by the cover body, a micro switch, a switch control board and a power supply group are arranged in the chassis, the switch control board is electrically connected to the micro switch, a signal transmitter is also arranged on the switch control board, the power supply group is electrically connected to the switch control board, the cover body contacts the micro switch when it is covered on the chassis, and the switch control board transmits a trigger signal to the main control board through the signal transmitter when the cover body and the micro switch are in contact.
[0005] The chassis is provided with a bottom cavity, and the micro switch, the switch control board and the power supply group are respectively arranged in the bottom cavity.
[0006] A bottom bracket is fixedly arranged in the bottom cavity, and the micro switch, the switch control board and the power supply group are respectively arranged on the bottom bracket.
[0007] A through hole is provided at the top of the bottom cavity, a triggering member is provided at the triggering portion of the micro switch or the bottom of the cover body, and when the cover body is arranged on the chassis, the triggering member is located in the through hole and contacts with the triggering portion of the micro switch.
[0008] The micro switch is fixedly arranged on the bottom bracket, one end of the trigger member extends out of the through hole and contacts or separates from the cover body, and the other end of the trigger member is located in the bottom cavity and is cooperatively connected with the trigger part of the micro switch.
[0009] The power supply group is a battery arranged on the bottom bracket, and the battery is a detachable rechargeable or non-rechargeable type, or the power supply group is a pluggable power adapter.
[0010] The bottom cavity is provided with a cover plate corresponding to the disassembly and assembly of the battery.
[0011] An oil receiving pan is detachably mounted on the chassis, a grid for holding food is detachably mounted on the oil receiving pan or the chassis, and a positioning portion is further provided on the chassis corresponding to the cover body.
[0012] The cover body is arranged in one or more layers and is a transparent non-metallic body or a metallic body.
[0013] A main frame is arranged in the main machine, the main control board is fixedly arranged on the main frame, the motor is fixedly arranged on the main frame, a heat insulation cover is also fixedly arranged on the main frame, a cooling fan is driven and connected to the middle of the power output end of the motor, the end of the motor extends into the heat insulation cover and is driven and connected to a heating fan, the heating element is located outside or below the heating fan and is fixedly arranged in the heat insulation cover, and a plurality of ventilation holes are also arranged at the bottom of the heat insulation cover corresponding to the cover body.
[0014] The utility model improves the above structure and utilizes the power supply group to provide working electricity for the switch control board, so that the switch control board can realize electrical control connection with the micro switch. When the cover body is covered on the chassis, the cover body can contact the micro switch and close it. When the micro switch is closed, the switch control board transmits a trigger signal to the main control board through the signal transmitter, so that the main control board can control the motor and the heating element to work normally, so as to avoid the problem of poor food cooking effect and safety accidents caused by the cover body being unable to be covered on the chassis due to vibration, unstable placement, or accidental touch by the user, and the motor and the heating element continuing to work, thereby ensuring the stability and safety of the air fryer. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the assembly cross-sectional structure of an embodiment of the utility model.
[0016] Figure 2 This is a schematic diagram of the assembly structure of an embodiment of the utility model.
[0017] Figure 3 for Figure 1 A in the figure is an enlarged structural diagram.
[0018] Figure 4 The figure is a schematic diagram of the exploded structure of an embodiment of the utility model.
[0019] Figure 5 This is a schematic diagram of the exploded structure from another perspective of an embodiment of the utility model.
[0020] Figure 6 The schematic diagram of the chassis's exploded structure.
[0021] Figure 7 This is a schematic diagram of the chassis structure from another perspective. DETAILED DESCRIPTION
[0022] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.
[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0024] See also Figure 1-Figure 7 The air fryer is safe to use and comprises a main unit 1 and a chassis 2. A main control board 3, a motor 4 and a heating element 5 electrically connected to the main control board 3 are arranged in the main unit 1. A cover body 6 is arranged at the bottom of the main unit 1 and is separated or covered on the chassis 2 by the cover body 6. A micro switch 7, a switch control board 8 and a power supply group are arranged in the chassis 2. The switch control board 8 is electrically connected to the micro switch 7. A signal transmitter is also arranged on the switch control board 8. The power supply group is electrically connected to the switch control board 8. When the cover body 6 is covered on the chassis 2, it contacts the micro switch 7. When the cover body 6 and the micro switch 7 are in contact, the switch control board 8 transmits a trigger signal to the main control board 3 through the signal transmitter.
[0025] The present embodiment utilizes the power supply group to provide working electricity for the switch control board 8, so that the switch control board 8 can realize the electronic control connection with the micro switch 7. When the cover body 6 is covered on the chassis 2, the cover body 6 can contact the micro switch 7 and close it. When the micro switch 7 is closed, the switch control board 8 transmits a trigger signal to the main control board 3 through the signal transmitter, so that the main control board 3 can control the motor 4 and the heating element 5 to work normally, so as to avoid the cover body 6 being unable to be covered on the chassis 2 due to vibration, unstable placement, or accidental touch by the user, and the motor 4 and the heating element 5 are still working, resulting in poor food cooking effect and safety accidents, thereby ensuring the stability and safety of the air fryer.
[0026] A bottom cavity 9 is provided on the chassis 2 , and the micro switch 7 , the switch control board 8 and the power supply group are respectively arranged in the bottom cavity 9 .
[0027] In order to facilitate the assembly of the micro switch 7, the switch control board 8 and the power supply group, a bottom bracket 10 is fixedly arranged in the bottom cavity 9, and the micro switch 7, the switch control board 8 and the power supply group are respectively arranged on the bottom bracket 10, thereby improving the assembly convenience and stability of the micro switch 7, the switch control board 8 and the power supply group.
[0028] A through hole 11 is provided at the top of the bottom cavity 9, and a trigger member 12 is provided at the trigger portion of the micro switch 7 or the bottom of the cover body 6. When the cover body 6 is covered on the chassis 2, the trigger member 12 is located in the through hole 11 and contacts with the trigger portion of the micro switch 7.
[0029] Specifically, the micro switch 7 is fixedly arranged on the bottom bracket 10, one end of the trigger member 12 extends out of the through hole 11 and contacts or separates from the cover body 6, and the other end of the trigger member 12 is located in the bottom cavity 9 and is connected with the trigger part of the micro switch 7.
[0030] In this embodiment, a supporting plane is provided on the chassis 2, and the cover body 6 can be supported on the supporting plane and separated from the supporting plane. The through hole 11 is opened on the supporting plane so that the trigger member 12 can extend out of the through hole 11 to contact or separate from the cover body 6.
[0031] When the cover body 6 is placed on the supporting plane, the cover body 6 will be covered above the chassis 2, and the two will form a food roasting and frying chamber. The cover body 6 will act on the trigger member 12 at the same time, so that the trigger member 12 moves in the direction of the micro switch 7 and triggers the trigger part of the micro switch 7 to close the micro switch 7. At this time, the cover body 6 is placed in the correct position, and the switch control board 8 can transmit a trigger signal to the main control board 3 through the signal transmitter according to the closure of the micro switch 7, and the motor 4 and the heating element 5 can work normally. If the cover body 6 is not placed in place on the supporting plane and cannot act with the trigger member 12, the trigger part of the micro switch 7 cannot be triggered, the switch control board 8 cannot generate a trigger signal, and the motor 4 and the heating element 5 cannot work.
[0032] The power supply group is a battery 13 arranged on the bottom bracket 10, and the battery 13 is a detachable rechargeable or non-rechargeable type, or the power supply group is a pluggable power adapter.
[0033] In this embodiment, the power supply group is a detachable battery 13, and the bottom cavity 9 is provided with a cover plate 14 corresponding to the detachment of the battery 13. The user can detach and replace the battery 13 by detaching and assembling the cover plate 14, making it more convenient for the user to use.
[0034] An oil receiving pan 15 is detachably mounted on the chassis 2 , and a grid frame 16 for placing food is detachably mounted on the oil receiving pan 15 or the chassis 2 . A positioning portion 17 is further provided on the chassis 2 corresponding to the cover body 6 .
[0035] When the present embodiment is in use, food is placed on the grid 16, and the oil collecting pan 15 can collect the grease generated during cooking of the food for easy cleaning.
[0036] The cover body 6 is a transparent non-metallic body or a metallic body and is arranged in one or more layers.
[0037] In this embodiment, the chassis 2 is circular and has a circular supporting plane arranged thereon. The positioning portion 17 is located on the supporting plane and the outside of the through hole 11. The cover body 6 is double-layer glass and is positioned on the supporting plane by the positioning portion 17, so that the user can accurately place the host 1 and the cover body 6, and at the same time ensure that the cover body 6 can act on the trigger member 12.
[0038] A main frame 18 is provided in the main machine 1, a main control board 3 is fixedly arranged on the main frame 18, a motor 4 is fixedly arranged on the main frame 18, a heat insulation cover 19 is also fixedly arranged on the main frame 18, a heat dissipation fan 20 is driven and connected to the middle of the power output end of the motor 4, an end portion extends into the heat insulation cover 19, and is driven and connected to a heating fan 21, the heating element 5 is located outside or below the heating fan 21, and is fixedly arranged in the heat insulation cover 19, and a plurality of ventilation holes are also arranged at the bottom of the heat insulation cover 19 corresponding to the cover body 6.
[0039] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected, and the scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. An air fryer that is safe to use, comprising a main unit (1) and a chassis (2), wherein the main unit (1) is provided with a main control board (3), and a motor (4) and a heating element (5) that are electrically connected to the main control board (3), and a cover (6) is provided at the bottom of the main unit (1) and is separated from or covered by the cover (6) on the chassis (2), characterized in that: A micro switch (7), a switch control board (8) and a power supply group are arranged in the chassis (2); the switch control board (8) is electrically connected to the micro switch (7); a signal transmitter is also arranged on the switch control board (8); the power supply group is electrically connected to the switch control board (8); when the cover (6) is arranged on the chassis (2), it contacts the micro switch (7); when the cover (6) and the micro switch (7) are in contact, the switch control board (8) transmits a trigger signal to the main control board (3) through the signal transmitter.
2. The safe air fryer according to claim 1, characterized in that: A bottom cavity (9) is provided on the chassis (2), and the micro switch (7), the switch control panel (8) and the power supply group are respectively arranged in the bottom cavity (9).
3. The safe air fryer according to claim 2, characterized in that: A bottom bracket (10) is fixedly arranged in the bottom cavity (9), and the micro switch (7), the switch control board (8) and the power supply group are respectively arranged on the bottom bracket (10).
4. The safe air fryer according to claim 3, characterized in that: A through hole (11) is provided at the top of the bottom cavity (9), and a triggering member (12) is provided at the triggering portion of the micro switch (7) or the bottom of the cover body (6); when the cover body (6) is covered on the chassis (2), the triggering member (12) is located in the through hole (11) and in contact with the triggering portion of the micro switch (7).
5. The safe air fryer according to claim 4, characterized in that: The micro switch (7) is fixedly arranged on the bottom bracket (10); one end of the trigger member (12) extends out of the through hole (11) and is in contact with or separated from the cover body (6); the other end of the trigger member (12) is located in the bottom cavity (9) and is in cooperative connection with the trigger portion of the micro switch (7).
6. The safe air fryer according to claim 5, characterized in that: The power supply group is a battery (13) arranged on the bottom bracket (10), and the battery (13) is a detachable rechargeable or non-rechargeable type, or the power supply group is a pluggable power adapter.
7. The safe air fryer according to claim 6, characterized in that: The bottom cavity (9) is provided with a cover plate (14) corresponding to the disassembly and assembly of the battery (13).
8. The safe air fryer according to claim 1, characterized in that: An oil receiving pan (15) is detachably mounted on the chassis (2), and a grid frame (16) for placing food is detachably mounted on the oil receiving pan (15) or the chassis (2). The chassis (2) is also provided with a positioning portion (17) corresponding to the cover body (6).
9. The safe air fryer according to claim 1, characterized in that: The cover body (6) is a transparent non-metallic body or a metallic body arranged in one or more layers.
10. The safe air fryer according to claim 1, characterized in that: A main frame (18) is arranged in the main machine (1), the main control board (3) is fixedly arranged on the main frame (18), the motor (4) is fixedly arranged on the main frame (18), a heat insulation cover (19) is also fixedly arranged on the main frame (18), a heat dissipation fan (20) is drive-connected to the middle of the power output end of the motor (4), the end of the motor (4) extends into the heat insulation cover (19) and is drive-connected to a heating fan (21), the heating element (5) is located outside or below the heating fan (21) and is fixedly arranged in the heat insulation cover (19), and a plurality of ventilation holes are also arranged at the bottom of the heat insulation cover (19) corresponding to the cover body (6).
Citation Information
Patent Citations
Air frying food processor
CN217365465U
Cited By
Safety mechanism of air fryer
CN224420828U