Cooking utensils

Abstract

The present invention provides a cooking utensil, comprising: a pot body for holding cooked food; a pot cover, the pot cover is arranged on the pot body, and an exhaust channel is arranged on the pot cover; a pressure limiting valve, the pressure limiting valve comprises a pressure limiting valve body and a counterweight block arranged on the pressure limiting valve body; a driving structure, the driving structure cooperates with the counterweight block, and the driving structure can drive the counterweight block to separate from the pressure limiting valve body; a control device, when the counterweight block and the pressure limiting valve body act together on the exhaust channel, the control device runs a first cooking mode, and when the driving structure drives the counterweight block to separate from the pressure limiting valve body, the control device runs a second cooking mode. The technical solution of the present invention solves the problem that users of electric pressure cookers in the prior art are prone to selecting incorrect cooking modes, which leads to poor cooking effects.

Description

Technical Field

[0001] The present invention relates to a cooking appliance, and in particular to an improvement in the cooking mode operation mode of the cooking appliance. Background Art

[0002] Electric pressure cookers are commonly used cooking appliances. In order to achieve cooking diversity, some cooking appliances have a counterweight on the pressure limiting valve. When the counterweight falls, the pressure limiting valve limits the exhaust pipe to a higher pressure. When the counterweight rises, the pressure limiting valve limits the exhaust pipe to a lower pressure. However, when cooking in the above-mentioned electric pressure cooker, the user needs to manually select the appropriate cooking program corresponding to the different positions of the counterweight. If the cooking program selected by the user is incorrect, the cooking effect will be poor. Summary of the invention

[0003] The main purpose of the present invention is to provide a cooking utensil to solve the problem in the prior art that users are prone to select incorrect cooking modes, which leads to poor cooking effects.

[0004] In order to achieve the above-mentioned purpose, the present invention provides a cooking utensil, comprising: a pot body, for holding food to be cooked; a pot cover, which is arranged on the pot body and is provided with an exhaust passage; a pressure limiting valve, which comprises a pressure limiting valve body and a counterweight block arranged on the pressure limiting valve body; a driving structure, which cooperates with the counterweight block and can drive the counterweight block to separate from the pressure limiting valve body; a control device, which operates a first cooking mode when the counterweight block and the pressure limiting valve body act together on the exhaust passage, and which operates a second cooking mode when the driving structure drives the counterweight block to separate from the pressure limiting valve body.

[0005] By applying the technical solution of the present invention, when the counterweight and the pressure-limiting valve body act together on the exhaust passage, the control device operates in the first cooking mode, and when the driving structure drives the counterweight to separate from the pressure-limiting valve body, the control device operates in the second cooking mode. The above structure enables the control device to automatically operate the corresponding cooking program according to the different positions of the counterweight when the cooking utensil is working, so that the cooking utensil operates the most suitable cooking program at the moment, thereby ensuring the cooking effect. Therefore, the technical solution of the present invention solves the problem in the prior art that the user is prone to select an incorrect cooking mode, thereby resulting in poor cooking effect.

[0006] Furthermore, the first cooking mode includes: maintaining the pressure in the pot at a first preset pressure and continuously heating.

[0007] Further, the first preset pressure is in the range of 90 KPa to 110 KPa.

[0008] Furthermore, the second cooking mode includes: maintaining the pressure in the pot body at a second preset pressure and continuing heating.

[0009] Further, the second preset pressure is in the range of 20 KPa to 40 KPa.

[0010] Furthermore, the driving structure includes a manual operating member, and the counterweight block can be separated from the pressure-limiting valve body by operating the manual operating member.

[0011] Furthermore, the cooking appliance further comprises a detection structure, which detects the position of the manual operating member, and the control device operates the first cooking mode or the second cooking mode according to the detection result of the detection structure.

[0012] Furthermore, a metal part is arranged on the counterweight block, and the driving structure includes a magnetic part, and the magnetic part attracts the metal part to separate the counterweight block from the pressure-limiting valve body.

[0013] Furthermore, the driving structure also includes a rocker arm, which is swingably arranged in the pot cover, and the magnetic part is arranged on the rocker arm. When the rocker arm swings, the magnetic part can be aligned or misaligned with the metal part. When the magnetic part is misaligned with the metal part, the counterweight block and the pressure limiting valve body act together on the exhaust channel. When the magnetic part is aligned with the metal part, the magnetic part attracts the metal part to make the counterweight block separate from the pressure limiting valve body.

[0014] Furthermore, the driving structure also includes a driving motor, the first end of the swing rod is connected to the motor shaft of the driving motor, and the magnetic member is arranged at the second end of the swing rod.

[0015] Furthermore, the cooking appliance further comprises a detection structure, which detects the position of the swing rod, and the control device operates the first cooking mode or the second cooking mode according to the detection result of the detection structure.

[0016] Furthermore, the detection structure is a magnetic induction structure, and the magnetic induction structure detects the magnetic induction intensity of the magnetic component.

[0017] Furthermore, the magnetic induction structure is a reed switch or a Hall sensor.

[0018] Furthermore, the cooking appliance also includes a detection device, which is connected to the control device, and is used to detect cooking parameters. The control device determines whether the cooking parameters match the preset parameters in the running cooking mode.

[0019] Furthermore, the pot cover includes an inner liner, a surface cover arranged on the inner liner, and an inner pot cover arranged below the inner liner, the exhaust channel and the pressure limiting valve are arranged on the inner pot cover, and the driving structure is arranged on the inner liner.

[0020] Furthermore, the cooking appliance is an electric pressure cooker. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0022] Figure 1 A schematic structural diagram of an embodiment of a cooking utensil according to the present invention is shown;

[0023] Figure 2 Shows Figure 1 A schematic cross-sectional view of an inner pot cover of a cooking utensil;

[0024] Figure 3 Shows Figure 2 The enlarged schematic diagram at A in the middle;

[0025] Figure 4 Shows Figure 1 A schematic diagram of the internal structure of the pot cover when the swing rod of the cooking utensil swings to align the magnetic part with the metal part;

[0026] Figure 5 Shows Figure 4 A schematic cross-sectional view of the middle pot cover;

[0027] Figure 6 Shows Figure 5 The enlarged schematic diagram of point B in the middle;

[0028] Figure 7 Shows Figure 1 A schematic diagram of the internal structure of the pot cover when the swing rod of the cooking utensil swings to the point where the magnetic part and the metal part are misaligned;

[0029] Figure 8 Shows Figure 7 A schematic cross-sectional view of the middle pot cover;

[0030] Fig. 9 Shows Figure 8 The enlarged schematic diagram at C in the middle; and

[0031] Fig.10 Shows Figure 1 Schematic diagram of cooking process of cooking utensils in Chinese.

[0032] The above drawings include the following reference numerals:

[0033] 10. Pot body; 20. Pot cover; 21. Lining; 22. Surface cover; 23. Inner pot cover; 30. Exhaust channel; 40. Pressure limiting valve; 41. Pressure limiting valve body; 42. Counterweight; 421. Metal parts; 50. Drive structure; 51. Magnetic parts; 52. Rocker; 53. Drive motor; 70. Detection structure. DETAILED DESCRIPTION

[0034] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0035] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0036] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0037] like Figures 1 to 4 As shown, the cooking utensil of this embodiment includes a pot body 10, a pot cover 20, a pressure limiting valve 40, a driving structure 50 and a control device. The pot body 10 is used to hold the food to be cooked. The pot cover 20 is arranged on the pot body 10, and an exhaust passage 30 is arranged on the pot cover 20. The pressure limiting valve 40 includes a pressure limiting valve body 41 and a counterweight 42 arranged on the pressure limiting valve body 41. The driving structure 50 cooperates with the counterweight 42, and the driving structure 50 can drive the counterweight 42 to separate from the pressure limiting valve body 41. Further, when the counterweight 42 and the pressure limiting valve body 41 act together on the exhaust passage 30, the control device runs the first cooking mode, and when the driving structure 50 drives the counterweight 42 to separate from the pressure limiting valve body 41, the control device runs the second cooking mode.

[0038] By applying the technical solution of this embodiment, when the counterweight 42 and the pressure limiting valve body 41 act together on the exhaust passage 30, the control device operates in the first cooking mode, and when the driving structure 50 drives the counterweight 42 to separate from the pressure limiting valve body 41, the control device operates in the second cooking mode. The above structure enables the control device to automatically operate the corresponding cooking program according to the different positions of the counterweight 42 when the cooking appliance is working, so that the cooking appliance operates the most suitable cooking program at the moment, thereby ensuring the cooking effect. Therefore, the technical solution of this embodiment solves the problem that the user is prone to select an incorrect cooking mode in the electric pressure cooker in the prior art, which leads to poor cooking effect.

[0039] It should be noted that the above-mentioned detachment of the counterweight 42 from the pressure-limiting valve body 41 means that the gravity of the counterweight 42 does not act on the pressure-limiting valve body 41, that is, the gravity of the pressure-limiting valve body 41 only acts on the exhaust passage 30. In the case where the counterweight 42 is detached from the pressure-limiting valve body 41, the counterweight 42 may be connected to the pressure-limiting valve body 41 through the connection structure, but the gravity of the counterweight 42 does not act on the pressure-limiting valve body 41.

[0040] It should be noted that the above-mentioned detachment of the counterweight 42 from the pressure-limiting valve body 41 means that the gravity of the counterweight 42 does not act on the pressure-limiting valve body 41, that is, the gravity of the pressure-limiting valve body 41 only acts on the exhaust passage 30. In the case where the counterweight 42 is detached from the pressure-limiting valve body 41, the counterweight 42 may be connected to the pressure-limiting valve body 41 through the connection structure, but the gravity of the counterweight 42 does not act on the pressure-limiting valve body 41.

[0041] like Fig.10 As shown, in the technical solution of this embodiment, the first cooking mode includes: keeping the pressure in the pot body 10 at a first preset pressure and continuously heating. Specifically, when the counterweight 42 and the pressure limiting valve body 41 act together on the exhaust channel 30, the pressure in the pot body 10 limited by the pressure limiting valve 40 is relatively large, so the first preset pressure can be set relatively large accordingly. Preferably, the first preset pressure is in the range of 90KPa to 110KPa. Within the above pressure range, cooking under high pressure can be performed, such as: "making soup", "stewing", "nutritional steaming" and "waterless baking".

[0042] like Fig.10 As shown, in the technical solution of this embodiment, the second cooking mode includes: keeping the pressure in the pot body 10 at a second preset pressure and continuing heating. Specifically, when the counterweight 42 is separated from the pressure-limiting valve body 41, the pressure-limiting valve body 41 only acts on the exhaust channel 30. At this time, the pressure limited by the pressure-limiting valve 40 in the pot body 10 is relatively small. Therefore, the second preset pressure is set relatively small. Preferably, the second preset pressure is in the range of 20KPa to 40KPa. Under the above pressure, cooking under low pressure can be performed, such as: "cooking rice", "cooking porridge", "quick cooking rice" and "grain porridge".

[0043] It should be noted that the cooking pressure in the first cooking mode is greater than the cooking pressure in the second cooking mode, so in the first cooking mode, the heating power of the heating device in the pot body 10 is greater than the heating power of the heating device in the second cooking mode. Accordingly, the temperature in the pot body 10 in the first cooking mode is greater than the temperature in the pot body 10 in the second cooking mode.

[0044] like Figure 4As shown, in the technical solution of this embodiment, a metal part 421 is provided on the counterweight 42, and the driving structure 50 includes a magnetic part 51, and the magnetic part 51 attracts the metal part 421 to separate the counterweight 42 from the pressure-limiting valve body 41. Specifically, when the distance between the magnetic part 51 and the metal part 421 is close enough, the magnetic part 51 attracts the metal part 421 to make the counterweight 42 rise. At this time, the pressure-limiting valve body 41 no longer supports the counterweight 42, that is, the pressure-limiting valve body 41 acts alone on the exhaust passage 30. When the distance between the magnetic part 51 and the metal part 421 is far, the magnetic force exerted by the magnetic part 51 on the metal part 421 is not enough to attract the metal part 421, and at this time, the counterweight 42 and the pressure-limiting valve body 41 act together on the exhaust passage 30.

[0045] The driving structure 50 also includes a swing rod 52, which is swingably disposed in the pot cover 20. The magnetic component 51 is disposed on the swing rod 52. When the swing rod 52 swings, the magnetic component 51 can be aligned or misaligned with the metal component 421. When the magnetic component 51 is misaligned with the metal component 421, the counterweight 42 and the pressure-limiting valve body 41 act together on the exhaust passage 30. When the magnetic component 51 is aligned with the metal component 421, the magnetic component 51 attracts the metal component 421 to separate the counterweight 42 from the pressure-limiting valve body 41. Specifically, when the swing rod 52 swings, the swing rod 52 can drive the magnetic component 51 to move together. Figures 4 to 6 It can be seen that when the swing rod 52 swings to the right end, the magnetic member 51 and the metal member 421 are aligned vertically, and the magnetic member 51 attracts the metal member 421 to make the counterweight 42 rise. Figures 7 to 9 It can be seen that when the swing rod 52 swings to the left end, the magnetic component 51 and the metal component 421 are misaligned in the horizontal direction. At this time, the magnetic force exerted by the magnetic component 51 on the metal component 421 is not sufficient to attract the metal component 421.

[0046] The driving structure 50 further includes a driving motor 53, a first end of the swing rod 52 is connected to the motor shaft of the driving motor 53, and the magnetic member 51 is disposed at the second end of the swing rod 52. Specifically, when the motor shaft of the driving motor 53 rotates, the swing rod 52 is driven to rotate together. Preferably, the driving motor 53 can be a stepping motor to ensure the control accuracy.

[0047] The cooking appliance further includes a detection structure 70, which detects the position of the swing rod 52, and the control device runs the first cooking mode or the second cooking mode according to the detection result of the detection structure 70. Specifically, by detecting the position of the swing rod 52, the relative position between the magnetic part 51 and the metal part 421 can be determined, and then it can be determined whether the counterweight block 42 is sucked up, and finally it can be determined whether the pressure limiting valve body 41 acts on the exhaust passage 30 alone, or the counterweight block 42 and the pressure limiting valve body 41 act on the exhaust passage 30 together. When the detection structure 70 determines that the counterweight block 42 and the pressure limiting valve body 41 act on the exhaust passage 30 together, the control device automatically runs the first cooking program. When the detection structure 70 determines that the pressure limiting valve body 41 acts on the exhaust passage 30 alone, the control device automatically runs the second cooking program.

[0048] The detection structure 70 is a magnetic induction structure, which detects the magnetic induction intensity of the magnetic member 51. Figure 4 and Figure 7 It can be seen that the magnetic induction structure is arranged on the left side of the swing rod 52. Figure 4 When the swing rod 52 swings to the middle position, the magnetic induction structure detects that the magnetic field strength of the magnetic member 51 is small. Figure 7 When the position of the pendulum 52 is in the middle, the magnetic induction structure detects that the magnetic field strength of the magnetic member 51 is relatively large. Therefore, the magnetic induction structure can determine the position of the pendulum 52 by determining the magnetic field strength of the magnetic member 51.

[0049] Preferably, the magnetic induction structure is a reed switch or a Hall sensor.

[0050] In the technical solution of the present embodiment, the cooking utensil further includes a detection device, which is connected to the control device, and the detection device is used to detect cooking parameters, and the control device determines whether the cooking parameters match the preset parameters in the running cooking mode. Specifically, the detection device is a sensor structure, such as a temperature sensor. For example, when the control device determines that the counterweight block 42 and the pressure limiting valve body 41 act together on the exhaust channel 30, the control device automatically runs the first cooking program. During the process of the cooking utensil running the first cooking program, the detection device obtains the cooking parameters of the cooking utensil, such as cooking pressure and cooking temperature. And the above parameters are transmitted back to the control device. The control device compares the above parameters with the preset parameters in the first cooking program. If the comparison result is significantly different, the control device controls the heating device to correct the cooking parameters.

[0051] like Figure 1 and Figure 2As shown, in the technical solution of this embodiment, the pot cover 20 includes an inner lining 21, a surface cover 22 arranged on the inner lining 21, and an inner pot cover 23 arranged below the inner lining 21, an exhaust passage 30 and a pressure limiting valve 40 are arranged on the inner pot cover 23, and a driving structure 50 is arranged on the inner lining 21. Further, the exhaust passage 30 is an exhaust pipe, and the exhaust pipe passes through the inner pot cover 23 from top to bottom.

[0052] In the present embodiment, the position control of the counterweight 42 is achieved by driving the swing rod 52 to swing and driving the magnetic member 51 to move by the motor. When the control method for the counterweight 42 is not limited to the above method, for example, in an embodiment not shown, the drive structure 50 includes a manual operating member, and the operation of the manual operating member can cause the counterweight 42 to be separated from the pressure-limiting valve body 41. Specifically, the manual operating member can be manually operated by the user, for example, the manual operating member includes a button arranged on the pot body 10 or the pot cover 20, and a transmission member arranged between the button and the counterweight 42, and the transmission member can be a lever, a swing rod and other structures. When the user presses the button, the counterweight 42 can be separated from the pressure-limiting valve body. Further, a position holding mechanism and a reset mechanism can be provided at the button.

[0053] Further, in the above-mentioned embodiment of manually controlling the position of the counterweight 42, the cooking appliance further comprises a detection structure 70, the detection structure 70 detects the position of the manual operating member, and the control device runs the first cooking mode or the second cooking mode according to the detection result of the detection structure 70. Specifically, the detection structure 70 can determine the position of the counterweight 42 by detecting the position of the manual operating member. For example, when the detection structure 70 determines that the manual operating member is in the first position and the counterweight 42 and the pressure limiting valve body 41 act on the exhaust passage 30 together, the control device automatically runs the first cooking program. When the detection structure 70 determines that the manual operating member is in the second position and the pressure limiting valve body 41 acts on the exhaust passage 30 alone, the control device automatically runs the second cooking program. The above-mentioned detection structure 70 can be a position sensor.

[0054] Preferably, the cooking utensil in this embodiment is an electric pressure cooker.

[0055] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant field may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so that once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0056] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0057] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0058] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0059] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cooking utensil, characterized in that: include: A pot body (10) is used to hold food to be cooked, and a heating device is provided in the pot body; A pot cover (20), the pot cover (20) being arranged on the pot body (10), and the pot cover (20) being provided with an exhaust passage (30); A pressure limiting valve (40), the pressure limiting valve (40) comprising a pressure limiting valve body (41) and a counterweight (42) arranged on the pressure limiting valve body (41); a driving structure (50), the driving structure (50) cooperating with the counterweight block (42), the driving structure (50) being capable of driving the counterweight block (42) to separate from the pressure-limiting valve body (41); A control device, wherein when the counterweight (42) and the pressure-limiting valve body (41) act together on the exhaust passage (30), the control device operates in a first cooking mode; and when the driving structure (50) drives the counterweight (42) to separate from the pressure-limiting valve body (41), the control device operates in a second cooking mode.

2. The cooking device according to claim 1, characterized in that: The first cooking mode includes: The pressure in the pot body (10) is maintained at a first preset pressure and heating is continued.

3. The cooking device according to claim 2, characterized in that: The first preset pressure is in the range of 90 KPa to 110 KPa.

4. The cooking device according to claim 1, characterized in that: The second cooking mode includes: The pressure in the pot body (10) is maintained at a second preset pressure and heating is continued.

5. The cooking device according to claim 4, characterized in that: The second preset pressure is in the range of 20 KPa to 40 KPa.

6. The cooking device according to claim 1, characterized in that: The driving structure (50) comprises a manual operating member, and operating the manual operating member can cause the counterweight block (42) to separate from the pressure-limiting valve body (41).

7. The cooking device according to claim 6, characterized in that: The cooking appliance further comprises a detection structure (70) for detecting the position of the manual operating member, and the control device operates the first cooking mode or the second cooking mode according to the detection result of the detection structure (70).

8. The cooking device according to claim 1, characterized in that: The counterweight (42) is provided with a metal part (421), and the driving structure (50) comprises a magnetic part (51), and the magnetic part (51) attracts the metal part (421) to separate the counterweight (42) from the pressure-limiting valve body (41).

9. The cooking device according to claim 8, characterized in that: The driving structure (50) further comprises a swing rod (52), wherein the swing rod (52) is swingably arranged in the pot cover (20), and the magnetic member (51) is arranged on the swing rod (52). When the swing rod (52) swings, the magnetic member (51) can be aligned with or misaligned with the metal member (421). When the magnetic member (51) is misaligned with the metal member (421), the counterweight (42) and the pressure-limiting valve body (41) act together on the exhaust passage (30). When the magnetic member (51) is aligned with the metal member (421), the magnetic member (51) attracts the metal member (421) to separate the counterweight (42) from the pressure-limiting valve body (41).

10. The cooking appliance according to claim 9, characterized in that The driving structure (50) further comprises a driving motor (53), the first end of the swing rod (52) is connected to the motor shaft of the driving motor (53), and the magnetic member (51) is arranged at the second end of the swing rod (52).

11. The cooking appliance according to claim 9, characterized in that The cooking appliance further comprises a detection structure (70), wherein the detection structure (70) detects the position of the swing rod (52), and the control device operates the first cooking mode or the second cooking mode according to the detection result of the detection structure (70).

12. The cooking device according to claim 11, characterized in that: The detection structure (70) is a magnetic induction structure, and the magnetic induction structure detects the magnetic induction intensity of the magnetic member (51).

13. The cooking device according to claim 12, characterized in that: The magnetic induction structure is a reed switch or a Hall sensor.

14. The cooking appliance according to any one of claims 8 to 13, characterized in that: The cooking appliance further comprises a detection device, which is connected to the control device and is used to detect cooking parameters. The control device determines whether the cooking parameters match the preset parameters in the running cooking mode.

15. The cooking appliance according to claim 1, characterized in that The pot cover (20) comprises an inner lining (21), a surface cover (22) arranged on the inner lining (21), and an inner pot cover (23) arranged below the inner lining (21); the exhaust passage (30) and the pressure limiting valve (40) are arranged on the inner pot cover (23); and the driving structure (50) is arranged on the inner lining (21).

16. The cooking appliance according to claim 2, characterized in that The cooking utensil is an electric pressure cooker.

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