CN110870671A

CN110870671A - Cooking appliance, control method and system thereof, and computer-readable storage medium

Info

Publication number: CN110870671A
Application number: CN201811015701.7A
Authority: CN
Inventors: 肖磊; 王志锋; 刘小凯
Original assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority date: 2018-08-31
Filing date: 2018-08-31
Publication date: 2020-03-10
Anticipated expiration: 2038-08-31
Also published as: CN110870671B

Abstract

The invention provides a cooking appliance, a control method and a control system thereof, and a computer readable storage medium, wherein the control method of the cooking appliance is used for the cooking appliance, and comprises the following steps: receiving a starting instruction of a preprocessing program, and controlling a first driving motor to rotate along a first direction so as to drive a sealing element of the cooking appliance to move and open a through hole on an upper cover of the cooking appliance; and after receiving a first trigger signal triggered when the sealing member moves to the first end position, controlling the first driving motor to stop rotating and executing a starting instruction of a preprocessing program. According to the control method of the cooking appliance, after the starting instruction of the preprocessing program is received, the first driving motor is controlled to rotate in the first direction in advance, the sealing element of the cooking appliance is driven to move, the through hole in the upper cover of the cooking appliance is opened, so that the food materials can be thrown into the pot body conveniently, and the food materials are preprocessed when the starting instruction of the preprocessing program is executed. The automatic opening and closing of the upper cover are realized, and the operation process of a user is simplified.

Description

Cooking appliance, control method and system thereof, and computer-readable storage medium

Technical Field

The invention relates to the technical field of kitchen appliances, in particular to a control method of a cooking appliance, a system of the cooking appliance, a computer readable storage medium and the cooking appliance.

Background

Present cooking utensil, when the internal food preliminary treatment of pot, let user's manual removal upper cover make the pot body and upper cover separation, closed usually, when the internal food of cooking pot, use the buckle to fix the connection between the pot body and upper cover, make the pot body and upper cover closely combine together, to prevent that the internal food of pot from overflowing from gap between them, this kind of mode needs the whole attention of user, manual operation is complicated, degree of automation is low, it is not friendly to the user, user experience has greatly been reduced.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art or the related art.

To this end, an aspect of the present invention proposes a control method of a cooking appliance.

Another aspect of the present invention is directed to a control system of a cooking appliance.

Yet another aspect of the invention is directed to a computer-readable storage medium.

Yet another aspect of the present invention is directed to a cooking appliance.

In view of the above, according to an aspect of the present invention, there is provided a control method of a cooking appliance, for the cooking appliance, the control method including: receiving a starting instruction of a preprocessing program, and controlling a first driving motor to rotate along a first direction so as to drive a sealing element of the cooking appliance to move and open a through hole on an upper cover of the cooking appliance; and after receiving a first trigger signal triggered when the sealing member moves to the first end position, controlling the first driving motor to stop rotating and executing a starting instruction of a preprocessing program.

According to the control method of the cooking appliance, after a preprocessing program starting instruction is received, a first driving motor is controlled to rotate in a first direction in advance to drive a sealing member of the cooking appliance to move and open a through hole in an upper cover of the cooking appliance, when the first driving motor drives the sealing member to move to a first terminal position, a first trigger signal is triggered, the first driving motor is controlled to stop running according to the first trigger signal, so that the through hole is completely opened, the food material is conveniently thrown into a pot body, and then the preprocessing program starting instruction is executed to preprocess the food material. Namely, at the initial stage of the starting instruction of the preprocessing program, the through hole on the upper cover of the cooking appliance is opened, so that the food material is conveniently put into the pot body through the through hole, and the food material is preprocessed, so that a user does not need to manually open or close the upper cover, the automatic opening and closing of the upper cover are realized, and the operation process of the user is simplified.

In addition, according to the control method of the cooking appliance in the above technical solution provided by the present invention, the following additional technical features may be further provided:

in the above technical solution, preferably, the control method further includes: receiving a preprocessing program ending instruction, and controlling the first driving motor to rotate along the second direction so as to drive the sealing element to move and block the through hole on the upper cover; and after receiving a second trigger signal triggered when the sealing member moves to a second end position, controlling the first driving motor to stop rotating.

In the technical scheme, after the preprocessing assembly executes and finishes preprocessing operation, a preprocessing program ending instruction is received, at the moment, the first driving motor operates in the second direction, the sealing element is driven to move in the second direction, the sealing element moves towards the trend of plugging the through hole in the upper cover, the sealing element moves to the second end point position, the triggered second trigger signal further controls the first driving motor to stop running, at the moment, the through hole in the upper cover is completely plugged by the sealing element, cooking of food materials in the pot body can be started, a user does not need to manually open the upper cover, and the upper cover is manually closed after the food materials are thrown into the pot body, so that automatic opening and closing of the upper cover are realized, and the operation process of the user is simplified.

In any of the above technical solutions, preferably, before the step of receiving a first trigger signal triggered when the sealing member moves to the first end position, the method further includes: judging whether a first trigger signal is received or not within a first preset time period when the first driving motor rotates along the first direction; if the judgment result is negative, the first driving motor is controlled to stop rotating, and first alarm prompt information is generated.

In the technical scheme, timing is carried out when the first driving motor drives the sealing element to move along the first direction, if the first trigger signal is not triggered within the first preset time, the sealing element or the first driving motor is operated abnormally, at the moment, the first driving motor is controlled to stop operating, and a first alarm prompt message is generated to remind a user to overhaul the cooking appliance, so that the self-inspection of the process of opening the through hole is realized, the automation degree of the cooking appliance is improved, and the user can be timely informed to maintain the cooking appliance.

In any of the above technical solutions, preferably, before the step of receiving a first trigger signal triggered when the sealing member moves to the first end position, the method further includes: judging whether the first driving motor is locked within a first preset time length when the first driving motor rotates along the first direction; and if so, controlling the first driving motor to stop rotating and generating second alarm prompt information.

In this technical scheme, timing when first driving motor drive sealing member moves along first direction and begins, if first driving motor takes place the locked rotor in first predetermined duration, then explain that sealing member or first driving motor's operation has the abnormal conditions, at this moment, control first driving motor stall, and generate second alarm prompt message in order to remind the user to overhaul cooking utensil, and then realized opening the self-checking of through-hole process, improve cooking utensil's degree of automation, and can in time inform the user to maintain it.

In any of the above technical solutions, preferably, before the step of receiving a second trigger signal triggered when the sealing member moves to the second end position, the method further includes: starting timing when the first driving motor rotates along the second direction, and judging whether a second trigger signal is received or not after a second preset time length; if the judgment result is negative, the first driving motor is controlled to stop rotating, and third alarm prompt information is generated.

In the technical scheme, timing is carried out when the first driving motor drives the sealing element to move along the second direction, if the second trigger signal is not triggered within the second preset time, the operation of the sealing element or the first driving motor is abnormal, at the moment, the first driving motor is controlled to stop operating, and a third alarm prompt message is generated to remind a user to overhaul the cooking appliance, so that the self-check of the process of closing the opening hole is realized, the automation degree of the cooking appliance is improved, and the user can be timely informed to maintain the cooking appliance.

In any of the above technical solutions, preferably, before receiving a second trigger signal triggered when the sealing member moves to the second end position, the method further includes: starting timing when the first driving motor rotates along the second direction, and judging whether the first driving motor is locked after a second preset time; and if so, controlling the first driving motor to stop rotating and generating fourth alarm prompt information.

In the technical scheme, timing is carried out when the first driving motor drives the sealing element to move along the second direction, if the first driving motor is blocked in the second preset time, the abnormal condition of the operation of the sealing element or the first driving motor is explained, at the moment, the first driving motor is controlled to stop operating, and a second alarm prompt message is generated to remind a user to overhaul the cooking appliance, so that the self-inspection of the process of closing the through hole is realized, the automation degree of the cooking appliance is improved, and the user can be timely informed to maintain the cooking appliance.

In any of the above technical solutions, preferably, the pretreatment process includes one or a combination of a soaking process, a grinding process, a pulverizing process, a freezing process, and a baking process; wherein, the control parameters of the soaking program comprise: soaking temperature, soaking duration and heating power; the control parameters of the grinding program include: grinding time length, grinding rate and grinding fineness; the control parameters of the crushing program include: the crushing time, the crushing speed and the crushing fineness; the control parameters of the freezing program include: the length of freezing time and the freezing temperature; the control parameters of the baking program include: baking time, baking temperature and heating power.

In the technical scheme, the preprocessing program comprises the following steps: at least one of a soaking program, a grinding program, a crushing program, a freezing program and a baking program, wherein the control parameters of the soaking program comprise: soaking temperature, soaking duration and heating power; the control parameters of the grinding program include: grinding time length, grinding rate and grinding fineness; the control parameters of the crushing program include: the crushing time, the crushing speed and the crushing fineness; the control parameters of the freezing program include: the length of freezing time and the freezing temperature; the control parameters of the baking program include: baking time, baking temperature and heating power.

In any of the above technical solutions, preferably, after the step of receiving the preprocessing program end instruction and before the step of controlling the first driving motor to rotate in the second direction, the method further includes: controlling the electromagnet of the cooking appliance to stop working, wherein the electromagnet of the cooking appliance is electromagnetically adsorbed with the upper cover when the electromagnet of the cooking appliance works; controlling a second driving motor of the cooking appliance to rotate along the first direction until the pot body is at a low position; the second driving motor is used for driving a pot body chassis of the cooking appliance to rotate, the pot body chassis drives the pot body to move between a high position and a low position, and when the pot body moves to the low position, the pot body is separated from the upper cover.

In the technical scheme, after the preprocessing program ending instruction is received, before the first driving motor rotates along the second direction, the electromagnet in the cooking appliance is controlled to stop working, so that the pot body and the upper cover of the cooking appliance can be freely separated, and the second driving motor is controlled to rotate according to the first direction until the pot body is positioned at the low position, so that the pot body and the upper cover are separated. Avoid the sealing member to interfere with cooking utensil's other parts when rotating, promote cooking utensil's life.

In any of the above technical solutions, preferably, after receiving a second trigger signal triggered when the sealing member moves to the second end position, the method further includes the step of controlling the first driving motor to stop rotating, and the method further includes: controlling a second driving motor of the cooking appliance to rotate along a second direction until the pot body is positioned at a high position; controlling an electromagnet of the cooking appliance to start working and executing a cooking program.

In the technical scheme, after the second trigger signal is received and the first driving motor is controlled to stop running, the second driving motor is controlled to rotate in the second direction until the pot body is located at the high position to realize the sealing of the sealing element on the through hole, and then the electromagnet in the cooking appliance is controlled to start working, so that the pot body and the upper cover are pulled mutually to ensure the sealing performance of the cooking appliance, and the cooking appliance executes a cooking program.

According to another aspect of the present invention, there is provided a control system of a cooking appliance, for the cooking appliance, the cooking system including: a memory configured to store executable instructions; a processor configured to execute the stored instructions to: receiving a starting instruction of a preprocessing program, and controlling a first driving motor to rotate along a first direction so as to drive a sealing element of the cooking appliance to move and open a through hole on an upper cover of the cooking appliance; and after receiving a first trigger signal triggered when the sealing member moves to the first end position, controlling the first driving motor to stop rotating and executing a starting instruction of a preprocessing program.

The invention provides a control system of a cooking appliance, comprising: a memory configured to store executable instructions; the processor is configured to execute the stored instruction, and the instruction is realized by firstly controlling the first driving motor to rotate in a first direction after receiving a preprocessing program starting instruction, driving the sealing element of the cooking appliance to move and opening the through hole in the upper cover of the cooking appliance, triggering a first trigger signal when the first driving motor drives the sealing element to move to a first terminal position, and controlling the first driving motor to stop running according to the first trigger signal so that the through hole is completely opened, so that a user can conveniently throw food materials into the pot body, and then executing the preprocessing program starting instruction. Namely, at the initial stage of the starting instruction of the preprocessing program, the through hole on the upper cover of the cooking appliance is opened, so that the user can conveniently throw food materials into the pot body through the through hole, the user does not need to manually open and close the upper cover, the automatic opening and closing of the upper cover are realized, and the operation process of the user is simplified.

According to a further aspect of the present invention, there is provided a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method of controlling a cooking appliance as set forth in any one of the above-mentioned claims.

The computer-readable storage medium according to the present invention stores a computer program that, when executed by a processor, implements the steps of the method for controlling a cooking appliance according to any one of the above-described embodiments, and therefore, has all the advantages of the method for controlling a cooking appliance according to any one of the above-described embodiments, which are not described herein.

According to still another aspect of the present invention, there is provided a cooking appliance including: an upper cover provided with a through hole; the first driving motor is arranged on the upper cover; the sealing element is arranged on the upper cover and is connected with the first driving motor, and the first driving motor drives the sealing element to reciprocate between a first end point position and a second end point position; when the sealing element moves to a first end point position, the through hole is opened, and when the sealing element moves to a second end point position, the through hole is sealed; and the detection device is directly or indirectly arranged on the upper cover and is used for detecting whether the sealing member moves to the first end position or the second end position.

According to the cooking utensil provided by the invention, the through hole is formed in the upper cover, the first driving motor is arranged on the upper cover and is connected with the sealing element arranged on the upper cover so as to drive the sealing element to reciprocate between the first end position and the second end position, when the sealing element moves to the first end position, the through hole is opened so as to throw food materials into the pot body through the through hole and pretreat the food materials, and when the sealing element moves to the second end position, the through hole is sealed so as to ensure the sealing performance of the cooking utensil. The cooking utensil is provided with detection device on the upper cover that is provided with cooking utensil for whether the detection preliminary treatment subassembly moves to first terminal position or second terminal position, when detecting detection device detects that the preliminary treatment subassembly moves to first terminal position or second terminal position, can send a signal, makes first driving motor stall. When the control device controls the first driving motor to rotate along the first direction, the sealing element is driven to move along the first direction, so that the sealing element moves towards a first end point position, after the detection device detects that the sealing element reaches the first end point position, a signal is sent out, the control device controls the first driving motor to stop operating, food can be thrown into the pot body through the through hole, so that the cooking appliance can pretreat the food, after the food is pretreated, the first driving motor is restarted, so that the sealing element moves from the first end point position to a second end point position, when the detection device detects that the sealing element moves to the second end point position, the signal is sent out again, so that the first driving motor stops operating, then the pot body is controlled to move to a position suitable for cooking, so that the cooking appliance performs a cooking step, and therefore in the throwing and pretreatment work of the whole food, the manual work is liberated, the work of manually preprocessing food materials is completely replaced by a mechanical and automatic cooking appliance, so that the process of operating the cooking appliance by a user is simplified, and the burden of the user is lightened.

In the above technical solution, preferably, the detection device includes: a first detection device and a second detection device; the first detection device is arranged at the first end position, and the second detection device is arranged at the second end position; the first detecting means or the second detecting means may be any one of: magnetic induction sensor, photoelectric sensor, image acquisition device.

In this technical solution, a detection apparatus includes: the first detection device is arranged at the first end position to detect whether the sealing element reaches the first end position, the second detection device is arranged at the second end position to detect whether the sealing element reaches the second end position, and therefore the accuracy of detection of the position of the sealing element is guaranteed, and the first detection device or the second detection device can be any one of a magnetic induction sensor, a photoelectric sensor and an image acquisition device.

In any of the above technical solutions, preferably, the detection device is disposed on the first driving motor, and the detection device may be any of the following: hall sensor, photoelectric sensor.

In this technical scheme, detect first driving motor's behavior through detection device to the realization is to the detection of sealing member position.

In any of the above technical solutions, preferably, the cooking appliance further includes: the electromagnet is arranged on the upper cover; the power supply device is connected with the electromagnet and used for supplying power to the electromagnet; and the control device is connected with the power supply device and used for controlling the power supply device to start or stop working.

In the technical scheme, the upper cover is also provided with an electromagnet to attract the pot body, so that the sealing performance of the pot body and the upper cover is ensured, and the control device is used for controlling whether the power supply device supplies power to the electromagnet so as to realize the control of the traction and the release of the pot body and the upper cover.

In any of the above technical solutions, preferably, the cooking appliance further comprises a pot body located below the upper cover, the pot body comprising a pot body; the pot cover can be buckled on the pot body, a blanking hole is formed in the pot cover, the projection of the through hole in the upper cover is located in the blanking hole, and a sealing rib capable of being in sealing fit with the sealing element is arranged on the circumferential direction of the blanking hole;

the magnetic attraction piece is arranged on the position of the cooker cover opposite to the electromagnet.

In this technical scheme, the pot body is located the below of upper cover, and the pot cover is detained and is established on the pot body, has seted up the unloading hole on the pot cover, and the week of unloading hole is provided with can with the sealed complex sealed muscle of sealing member. When the pretreatment procedure goes on, the sealing element that is located the upper cover needs to be opened, thereby material, water get into the pot body from the through-hole that the upper cover was covered the unloading hole on the pot cover inside, after the pretreatment procedure ended, the motion of the sealing element of again control is in order to close the through-hole, sealed muscle and the sealed cooperation of sealing element this moment. The pot body is provided with a magnetic attraction piece which is matched with the electromagnet on the upper cover to realize traction.

In any of the above technical solutions, preferably, the cooking appliance further includes: the pan body chassis is positioned below the pan body and is in contact with the pan body; the second driving motor drives the pan body chassis to rotate, and the pan body chassis drives the pan body to reciprocate between a high position and a low position.

In this technical scheme, pot body below is provided with pot body chassis, and second driving motor can drive pot body chassis and rotate, and then drives the pot body reciprocating motion between high-order position and low level position for the pot body can laminate mutually or the phase separation with the upper cover. When the pretreatment procedure goes on, need open the sealing member, thereby inside material, water flow into the pot body from the through-hole on the upper cover entering pot cover unloading hole, after the pretreatment procedure, the motion of the sealing member is controlled again in order to close the through-hole, sealed muscle and sealing member sealed cooperation this moment. Because the sealing rib needs to be closely matched with the sealing element, and the sealing element needs to reciprocate, the sealing element and the sealing rib are prevented from interfering with each other when the sealing element moves, and the sealing rib and the sealing element are prevented from being torn for a long time to cause the sealing rib to lose efficacy. Specifically, when the sealing member is controlled to move each time, the control pot body is located at a low position and separated from the upper cover, so that the sealing member is prevented from interfering with a sealing rib on the pot body when the sealing member moves, and after the pretreatment procedure is finished, the pot body is controlled to move to the high position when the cooking is started, so that the sealing rib is tightly matched with the sealing member.

In any one of the above technical solutions, preferably, the pan body further includes: the roller is arranged at the bottom of the pot body, and the pot body is contacted with the contact surface of the pot body chassis through the roller; the contact surface of the pan body chassis comprises a low-position area, a high-position area and a transition area positioned between the low-position area and the high-position area; wherein, when the roller is positioned on the low position area, the pan body is positioned at the low position; when the roller is positioned on the high-position area, the pot body is positioned at the high-position.

In this technical scheme, be provided with the gyro wheel between the pot body and pot body chassis, the contact surface on pot body chassis includes low level district, high-order district and transition district between the two, the gyro wheel rolls between low level district, high-order district and transition district, when the gyro wheel rolls on the low level district, the pot body is in the low level position, when the gyro wheel rolls on the high-order district, the pot body is in the high level position, and then the frictional force when reducing the motion of the pot body, the motion that makes the pot body is more smooth and easy.

In any of the above technical solutions, preferably, the cooking appliance is a coarse cereal cooker, an electric cooker, or an electric pressure cooker.

In the technical scheme, the cooking appliance is any one of a coarse cereal pot, an electric cooker and an electric pressure cooker.

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 above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1a is a schematic structural view illustrating a sealing member in a first end position in a cooking appliance according to an embodiment of the present invention;

fig. 1b shows a schematic structural view of a sealing member in a second end position in a cooking appliance according to an embodiment of the present invention;

fig. 2 is a flowchart illustrating a control method of a cooking appliance according to an embodiment of the present invention;

fig. 3 is a flowchart illustrating a control method of a cooking appliance according to another embodiment of the present invention;

fig. 4 is a flowchart illustrating a control method of a cooking appliance according to another embodiment of the present invention;

fig. 5 is a flowchart illustrating a control method of a cooking appliance according to another embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1a and fig. 1b is:

1 cooking utensil, 10 upper cover, 102 through hole, 12 first driving motor, 14 sealing member, 162 first detection device, 164 second detection device.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A control method of a cooking appliance, a system of a cooking appliance, a computer-readable storage medium, and a cooking appliance according to some embodiments of the present invention are described below with reference to fig. 1a to 5.

as shown in fig. 2, the method for controlling a cooking appliance according to an embodiment of the present invention includes:

step 202, receiving a starting instruction of a preprocessing program, and controlling a first driving motor to rotate along a first direction so as to drive a sealing element of the cooking appliance to move and open a through hole on an upper cover of the cooking appliance;

step 204, after receiving a first trigger signal triggered when the sealing member moves to the first end point position, controlling a first driving motor to stop rotating;

at step 206, a pre-processing program start instruction is executed.

In one embodiment of the present invention, preferably, the pre-treatment procedure comprises one or a combination of a soaking procedure, a grinding procedure, a crushing procedure, a freezing procedure, a baking procedure; wherein, the control parameters of the soaking program comprise: soaking temperature, soaking duration and heating power; the control parameters of the grinding program include: grinding time length, grinding rate and grinding fineness; the control parameters of the crushing program include: the crushing time, the crushing speed and the crushing fineness; the control parameters of the freezing program include: the length of freezing time and the freezing temperature; the control parameters of the baking program include: baking time, baking temperature and heating power.

In this embodiment, the preprocessing routine includes: at least one of a soaking program, a grinding program, a crushing program, a freezing program and a baking program, wherein the control parameters of the soaking program comprise: soaking temperature, soaking duration and heating power; the control parameters of the grinding program include: grinding time length, grinding rate and grinding fineness; the control parameters of the crushing program include: the crushing time, the crushing speed and the crushing fineness; the control parameters of the freezing program include: the length of freezing time and the freezing temperature; the control parameters of the baking program include: baking time, baking temperature and heating power.

When the through hole is opened, food materials can be thrown into the pot body through the through hole, and operations such as water conveying, gas conveying and water discharging can be performed on the pot body through the through hole, so that the food materials are pretreated.

In a specific embodiment, the assembly may be substantially pre-treated to pre-treat the food material in the pot body when the through hole is opened.

Fig. 3 is a flowchart illustrating a control method of a cooking appliance according to an embodiment of the present invention;

as shown in fig. 3, the method for controlling a cooking appliance according to another embodiment of the present invention includes the following steps:

step 302, receiving a starting instruction of a preprocessing program, and controlling a first driving motor to rotate along a first direction so as to drive a sealing element of the cooking appliance to move and open a through hole on an upper cover of the cooking appliance;

step 304, after receiving a first trigger signal triggered when the sealing member moves to the first end position, controlling a first driving motor to stop rotating;

step 306, executing a preprocessing program starting instruction;

308, receiving a preprocessing program ending instruction, and controlling the first driving motor to rotate along the second direction so as to drive the sealing element to move and block the through hole on the upper cover;

and step 310, after receiving a second trigger signal triggered when the sealing member moves to the second end position, controlling the first driving motor to stop rotating.

According to the control method of the cooking appliance, after a preprocessing program starting instruction is received, a first driving motor is controlled to rotate in a first direction in advance to drive a sealing member of the cooking appliance to move and open a through hole in an upper cover of the cooking appliance, when the first driving motor drives the sealing member to move to a first terminal position, a first trigger signal is triggered, the first driving motor is controlled to stop running according to the first trigger signal, so that the through hole is completely opened, the food material is conveniently thrown into a pot body, and then the preprocessing program starting instruction is executed to preprocess the food material. And after the preprocessing assembly executes and finishes the preprocessing operation, receiving a preprocessing program ending instruction, at the moment, operating the first driving motor according to the second direction, driving the sealing element to move along the second direction, enabling the sealing element to move towards the trend of plugging the through hole on the upper cover, and triggering a second trigger signal when the sealing element moves to a second terminal position, so as to control the first driving motor to stop running.

Fig. 4 is a flowchart illustrating a control method of a cooking appliance according to an embodiment of the present invention;

as shown in fig. 4, the method for controlling a cooking appliance according to another embodiment of the present invention includes:

step 402, receiving a starting instruction of a preprocessing program, and controlling a first driving motor to rotate along a first direction so as to drive a sealing element of the cooking appliance to move and open a through hole on an upper cover of the cooking appliance;

step 404, after receiving a first trigger signal triggered when the sealing member moves to the first end position, controlling a first driving motor to stop rotating;

step 406, executing a preprocessing program start instruction;

step 408, receiving a preprocessing program ending instruction, controlling an electromagnet of the cooking appliance to stop working, and controlling a second driving motor of the cooking appliance to rotate along a first direction until the pot body is at a low position;

step 410, controlling the first driving motor to rotate along a second direction so as to drive the sealing element to move and seal the through hole on the upper cover, and controlling the first driving motor to stop rotating after receiving a second trigger signal triggered when the sealing element moves to a second end position;

step 412, controlling a second driving motor of the cooking appliance to rotate along a second direction until the pot body is positioned at a high position, and controlling an electromagnet of the cooking appliance to start working;

in step 414, a cooking program is executed.

According to the control method of the cooking appliance, after a preprocessing program starting instruction is received, a first driving motor is controlled to rotate in a first direction in advance to drive a sealing member of the cooking appliance to move and open a through hole in an upper cover of the cooking appliance, when the first driving motor drives the sealing member to move to a first terminal position, a first trigger signal is triggered, the first driving motor is controlled to stop running according to the first trigger signal, so that the through hole is completely opened, the food material is conveniently thrown into a pot body, and then the preprocessing program starting instruction is executed to preprocess the food material. After the preprocessing assembly finishes the preprocessing operation, receiving a preprocessing program ending instruction, controlling an electromagnet in the cooking appliance to stop working at the moment, enabling a pot body and an upper cover of the cooking appliance to be freely separated, controlling a second driving motor to rotate in a first direction until the pot body is in a low position, enabling the pot body and the upper cover to be separated so as to avoid interference of a sealing element with other parts of the cooking appliance when the sealing element rotates, controlling a first driving motor to rotate in a second direction, driving the sealing element to move in the second direction, enabling the sealing element to move towards a trend of plugging a through hole in the upper cover, controlling a second triggering signal triggered when the sealing element moves to a second terminal position, further controlling the first driving motor to stop operating, controlling a second driving motor to rotate in the second direction until the pot body is in a high position at the moment, and realizing sealing of the through hole by the sealing element, and then controlling an electromagnet in the cooking appliance to start working, so that the pot body and the upper cover are pulled mutually, the through hole on the upper cover is completely blocked by the sealing element, the food in the pot body is cooked, a user does not need to manually open the upper cover, and the upper cover is manually closed after the food is thrown into the pot body, so that the automatic opening and closing of the upper cover are realized, and the operation process of the user is simplified.

Fig. 5 is a flowchart illustrating a control method of a cooking appliance according to an embodiment of the present invention;

as shown in fig. 5, the method for controlling a cooking appliance according to another embodiment of the present invention includes:

step 502, receiving a starting instruction of a preprocessing program, and controlling a first driving motor to rotate along a first direction so as to drive a sealing element of the cooking appliance to move and open a through hole on an upper cover of the cooking appliance;

step 504, timing from the rotation of the driving motor along the first direction;

step 506, judging whether a first trigger signal is received within a first preset time length; if yes, go to step 510, and if no, go to step 508;

step 508, controlling the first driving motor to stop rotating and generating first alarm prompt information;

step 510, judging whether the first driving motor is locked within a first preset time length or not; if yes, go to step 512, if no, go to step 514;

step 512, controlling the first driving motor to stop rotating and generating second alarm prompt information;

step 514, controlling the first driving motor to stop rotating;

step 516, executing a preprocessing program starting instruction;

step 518, receiving a preprocessing program ending instruction, controlling the first driving motor to rotate along the second direction, and starting timing from the rotation of the first driving motor along the second direction;

step 520, judging whether a second trigger signal is received within a second preset time length; when the judgment result is yes, go to step 524, when the judgment result is no, go to step 522;

step 522, controlling the first driving motor to stop rotating and generating third alarm prompt information;

step 524, judging whether the first driving motor is locked within a second preset time period; if yes, go to step 526, and if no, go to step 528;

step 526, controlling the first driving motor to stop rotating and generating fourth alarm prompt information;

and step 528, after receiving a second trigger signal triggered when the sealing member moves to the second end position, controlling the first driving motor to stop rotating.

The control method of the cooking utensil provided by the invention comprises the steps of firstly controlling a first driving motor to rotate in a first direction after receiving a preprocessing program starting instruction, timing when the first driving motor drives a sealing element to move along the first direction, if a first trigger signal is not triggered within a first preset time length, indicating that the operation of the sealing element or the first driving motor has an abnormal condition, and at the moment, controlling the first driving motor to stop operating and generating a first alarm prompt message to remind a user of overhauling the cooking utensil;

if the first trigger signal is triggered within the first preset time, judging whether the first driving motor is locked within the first preset time, if the first driving motor is locked within the first preset time, indicating that the operation of the sealing element or the first driving motor is abnormal, and at the moment, controlling the first driving motor to stop operating and generating a second alarm prompt message to remind a user of overhauling the cooking appliance;

if the first driving motor is not locked in rotation within the first preset time, controlling the first driving motor to stop running according to the first trigger signal to enable the through hole to be completely opened, so as to conveniently throw food materials into the pot body and then execute a preprocessing program starting instruction for preprocessing the food materials, after the pretreatment component finishes the pretreatment operation, receiving a pretreatment program finishing instruction, controlling the first driving motor to operate according to the second direction, driving the sealing element to move along the second direction, and simultaneously, timing when the first driving motor drives the sealing member to move along the second direction, if the second triggering signal is not triggered within the second preset time period, if the situation that the operation of the sealing element or the first driving motor is abnormal is indicated, controlling the first driving motor to stop operating and generating a third alarm prompt message to remind a user of overhauling the cooking appliance;

if the second trigger signal is triggered within the second preset time, judging whether the first driving motor is locked within the second preset time, if the first driving motor is locked within the second preset time, indicating that the operation of the sealing element or the first driving motor is abnormal, and controlling the first driving motor to stop operating and generating a second alarm prompt message to remind a user of overhauling the cooking appliance;

if the blockage of the first driving motor does not occur within the preset duration of the second, the sealing element moves to the second end position, the triggered second trigger signal further controls the first driving motor to stop running, at the moment, the through hole in the upper cover is completely blocked by the sealing element, the food in the pot body can be cooked, the user does not need to manually open the upper cover, and the upper cover is manually closed after the food is thrown into the pot body, so that the automatic opening and closing of the upper cover are realized, and the operation process of the user is simplified.

In one embodiment of the present invention, preferably, after the step of receiving the preprocessing program ending instruction and before the step of controlling the first driving motor to rotate in the second direction, the method further includes: controlling the electromagnet of the cooking appliance to stop working, wherein the electromagnet of the cooking appliance is electromagnetically adsorbed with the upper cover when the electromagnet of the cooking appliance works; controlling a second driving motor of the cooking appliance to rotate along the first direction until the pot body is at a low position; the second driving motor is used for driving a pot body chassis of the cooking appliance to rotate, the pot body chassis drives the pot body to move between a high position and a low position, and when the pot body moves to the low position, the pot body is separated from the upper cover.

In this embodiment, after receiving the instruction of finishing the preprocessing program, before the first driving motor rotates along the second direction, the electromagnet in the cooking appliance is controlled to stop working, so that the pot body and the upper cover of the cooking appliance can be freely separated, and the second driving motor is controlled to rotate along the first direction until the pot body is in the low position, so that the pot body and the upper cover are separated, thereby avoiding the sealing element from interfering with other parts of the cooking appliance when rotating, and prolonging the service life of the cooking appliance.

In an embodiment of the present invention, after receiving a second trigger signal triggered when the sealing member moves to the second end position, the step of controlling the first driving motor to stop rotating preferably further includes: controlling a second driving motor of the cooking appliance to rotate along a second direction until the pot body is positioned at a high position; controlling an electromagnet of the cooking appliance to start working and executing a cooking program.

In the embodiment, after the first driving motor is controlled to stop running after the second trigger signal is received, the second driving motor is controlled to rotate in the second direction until the pot body is located at the high position to seal the through hole by the sealing element, and then the electromagnet in the cooking appliance is controlled to start working, so that the pot body and the upper cover are pulled mutually to ensure the sealing performance of the cooking appliance, and the cooking appliance executes the cooking program.

In a specific embodiment, the direction indicated in fig. 1a is the second direction and the direction indicated in fig. 1b is the first direction.

According to another aspect of the present invention, there is provided a control system for a cooking appliance, the cooking appliance including: a memory configured to store executable instructions; a processor configured to execute the stored instructions to: receiving a starting instruction of a preprocessing program, and controlling a first driving motor to rotate along a first direction so as to drive a sealing element of the cooking appliance to move and open a through hole on an upper cover of the cooking appliance; and after receiving a first trigger signal triggered when the sealing member moves to the first end position, controlling the first driving motor to stop rotating and executing a starting instruction of a preprocessing program.

In one embodiment of the present invention, the processor is preferably further configured to execute the stored instructions to: receiving a preprocessing program ending instruction, and controlling the first driving motor to rotate along the second direction so as to drive the sealing element to move and block the through hole on the upper cover; and after receiving a second trigger signal triggered when the sealing member moves to a second end position, controlling the first driving motor to stop rotating.

In this embodiment, after the preprocessing component performs the preprocessing operation, a preprocessing program ending instruction is received, at this time, the first driving motor operates in the second direction to drive the sealing member to move in the second direction, so that the sealing member moves towards the trend of plugging the through hole in the upper cover, when the sealing member moves to the second end position, the triggered second trigger signal further controls the first driving motor to stop operating, at this time, the through hole in the upper cover is completely plugged by the sealing member, the food material in the pot can be cooked, so that the user does not need to manually open the upper cover, and manually close the upper cover after the food material is thrown into the pot, thereby realizing the automatic opening and closing of the upper cover, and simplifying the operation process of the user.

In one embodiment of the invention, preferably, prior to the step after receiving a first trigger signal triggered when the seal moves to the first end position, the processor is further configured to execute the stored instructions to: judging whether a first trigger signal is received or not within a first preset time period when the first driving motor rotates along the first direction; if the judgment result is negative, the first driving motor is controlled to stop rotating, and first alarm prompt information is generated.

In the embodiment, when the first driving motor drives the sealing element to move along the first direction, timing is carried out, if the first trigger signal is not triggered within the first preset time, it is indicated that the sealing element or the first driving motor runs abnormally, at the moment, the first driving motor is controlled to stop running, and a first alarm prompt message is generated to remind a user of overhauling the cooking appliance, so that self-inspection of the process of opening the through hole is realized, the automation degree of the cooking appliance is improved, and the user can be informed of maintaining the cooking appliance in time.

In one embodiment of the invention, preferably, prior to the step after receiving a first trigger signal triggered when the seal moves to the first end position, the processor is further configured to execute the stored instructions to: judging whether the first driving motor is locked within a first preset time length when the first driving motor rotates along the first direction; and if so, controlling the first driving motor to stop rotating and generating second alarm prompt information.

In the embodiment, when the first driving motor drives the sealing element to move along the first direction, timing is carried out, if the first driving motor is locked up within the first preset time, it is indicated that the sealing element or the first driving motor runs abnormally, at the moment, the first driving motor is controlled to stop running, and a second alarm prompt message is generated to remind a user of overhauling the cooking appliance, so that self-inspection of the process of opening the through hole is realized, the automation degree of the cooking appliance is improved, and the user can be informed of maintaining the cooking appliance in time.

In one embodiment of the invention, preferably, prior to the step after receiving a second trigger signal triggered when the seal moves to the second end position, the processor is further configured to execute the stored instructions to: starting timing when the first driving motor rotates along the second direction, and judging whether a second trigger signal is received or not after a second preset time length; if the judgment result is negative, the first driving motor is controlled to stop rotating, and third alarm prompt information is generated.

In the embodiment, when the first driving motor drives the sealing element to move along the second direction, timing is carried out, if the second trigger signal is not triggered within the second preset time, it is indicated that the sealing element or the first driving motor runs abnormally, at the moment, the first driving motor is controlled to stop running, and a third alarm prompt message is generated to remind a user of overhauling the cooking appliance, so that self-checking of the process of closing the opening hole is realized, the automation degree of the cooking appliance is improved, and the user can be informed of maintaining the cooking appliance in time.

In one embodiment of the invention, preferably, prior to receiving a second trigger signal triggered when the seal moves to the second end position, the processor is further configured to execute the stored instructions to: starting timing when the first driving motor rotates along the second direction, and judging whether the first driving motor is locked after a second preset time; and if so, controlling the first driving motor to stop rotating and generating fourth alarm prompt information.

In the embodiment, when the first driving motor drives the sealing element to move along the second direction, timing is carried out, if the first driving motor is locked in rotation within the second preset time, it is indicated that the sealing element or the first driving motor runs abnormally, at the moment, the first driving motor is controlled to stop running, and a second alarm prompt message is generated to remind a user of overhauling the cooking appliance, so that self-inspection in the process of closing the through hole is realized, the automation degree of the cooking appliance is improved, and the user can be informed of maintaining the cooking appliance in time.

In one embodiment of the present invention, preferably, after the step of receiving the preprocessing program end instruction and before the step of controlling the first driving motor to rotate in the second direction, the processor is further configured to execute the stored instructions to: controlling the electromagnet of the cooking appliance to stop working, wherein the electromagnet of the cooking appliance is electromagnetically adsorbed with the upper cover when the electromagnet of the cooking appliance works; controlling a second driving motor of the cooking appliance to rotate along the first direction until the pot body is at a low position; the second driving motor is used for driving a pot body chassis of the cooking appliance to rotate, the pot body chassis drives the pot body to move between a high position and a low position, and when the pot body moves to the low position, the pot body is separated from the upper cover.

In one embodiment of the present invention, preferably, after the step of controlling the first driving motor to stop rotating after receiving a second trigger signal triggered when the sealing member moves to the second end position, the processor is further configured to execute stored instructions to: controlling a second driving motor of the cooking appliance to rotate along a second direction until the pot body is positioned at a high position; controlling an electromagnet of the cooking appliance to start working and executing a cooking program.

According to yet another aspect of the present invention, there is provided a computer readable storage medium, on which a computer program is stored, the computer program, when executed by a processor, implementing the steps of the method for controlling a cooking appliance as provided in any one of the above embodiments.

The computer-readable storage medium provided by the present invention stores a computer program that, when executed by a processor, implements the steps of the method for controlling a cooking appliance according to any of the embodiments described above, and therefore, all the advantages of the method for controlling a cooking appliance according to any of the embodiments described above are achieved, which are not described herein.

As shown in fig. 1a and 1b, according to an embodiment of an aspect of the present invention, the present invention provides a cooking appliance 1, including: an upper cover 10 provided with a through hole 102; a first driving motor 12 provided on the upper cover 10; a sealing member 14 disposed on the upper cover 10, the sealing member 14 being connected to the first driving motor 12, the first driving motor 12 driving the sealing member 14 to reciprocate between a first end position and a second end position; when the sealing member 14 moves to a first end position, the through hole 102 is opened, and when the sealing member 14 moves to a second end position, the through hole 102 is blocked; detection means, provided directly or indirectly on the upper cover 10, for detecting whether the sealing member 14 is moved to the first end position or the second end position.

According to the cooking appliance 1 provided by the invention, the through hole 102 is formed in the upper cover 10, the first driving motor 12 is arranged on the upper cover 10, the first driving motor 12 is connected with the sealing element 14 arranged on the upper cover 10 to drive the sealing element 14 to reciprocate between the first end position and the second end position, when the sealing element 14 moves to the first end position, the through hole 102 is opened to throw food materials into the pot body through the through hole 102 and pretreat the food materials, and when the sealing element 14 moves to the second end position, the through hole 102 is sealed to ensure the sealing performance of the cooking appliance 1. The cooking appliance 1 is provided with a detection device on the upper cover 10 of the cooking appliance 1 for detecting whether the pre-processing assembly moves to the first end position or the second end position, and when the detection device detects that the pre-processing assembly moves to the first end position or the second end position, a signal can be sent out to stop the operation of the first driving motor 12. When the control device controls the first driving motor 12 to rotate along the first direction, the sealing member 14 is driven to move along the first direction, so that the sealing member 14 moves towards a first end point position, when the detection device detects that the sealing member 14 reaches the first end point position, a signal is sent out, the control device controls the first driving motor 12 to stop operating, food can be thrown into the pot body through the through hole 102, so that the cooking appliance 1 can pretreat the food, after the food is pretreated, the first driving motor 12 is started again, so that the sealing member 14 moves from the first end point position to a second end point position, when the detection device detects that the sealing member 14 moves to the second end point position, the signal is sent out again, so that the first driving motor 12 stops operating, then the pot body of the cooking appliance 1 is controlled to move to a position suitable for cooking, so that the cooking appliance 1 performs a cooking step, therefore, in the whole food material throwing and preprocessing work, the manual work is liberated, the manual food material preprocessing work is completely replaced by the mechanical and automatic cooking appliance 1, the process of operating the cooking appliance 1 by a user is simplified, and the burden of the user is relieved.

In one embodiment of the present invention, preferably, as shown in fig. 1a and 1b, the detecting device includes: a first detection device 162 and a second detection device 164; the first detection device 162 is disposed at the first end position, and the second detection device 164 is disposed at the second end position; the first detection device 162 or the second detection device 164 may be any one of: magnetic induction sensor, photoelectric sensor, image acquisition device.

In this embodiment, the detection means comprises: the first detection device 162 and the second detection device 164, wherein the first detection device 162 is disposed at the first end position to detect whether the sealing member 14 reaches the first end position, the second detection device 164 is disposed at the second end position to detect whether the sealing member 14 reaches the second end position, so as to ensure the accuracy of the detection of the position of the sealing member 14, and the first detection device 162 or the second detection device 164 may be any one of a magnetic induction sensor, an optical sensor, and an image capturing device.

In one embodiment of the present invention, preferably, a detection device is provided on the first driving motor 12, and the detection device may be any one of the following: hall sensor, photoelectric sensor.

In this embodiment, the speed of the first drive motor 12 is detected by a detection device to enable detection of the position of the seal 14. Wherein, the first driving motor 12 is preferably a speed reducing motor or a stepping motor.

In one embodiment of the present invention, preferably, the cooking appliance 1 further includes: an electromagnet provided on the upper cover 10; the power supply device is connected with the electromagnet and used for supplying power to the electromagnet; and the control device is connected with the power supply device and used for controlling the power supply device to start or stop working.

In this embodiment, the upper cover 10 is further provided with an electromagnet to attract the pot body, so as to ensure the sealing between the pot body and the upper cover 10, and the control device controls the power supply device to supply power to the electromagnet, so as to control the traction and release of the pot body and the upper cover 10.

In one embodiment of the present invention, preferably, the cooking appliance 1 further comprises a pot body located below the upper cover, the pot body comprising a pot body; the pot cover can be buckled on the pot body, a blanking hole is formed in the pot cover, the projection of the through hole in the upper cover is located in the blanking hole, and a sealing rib capable of being in sealing fit with the sealing element is arranged on the circumferential direction of the blanking hole; the magnetic attraction piece is arranged on the position of the cooker cover opposite to the electromagnet.

In one embodiment of the present invention, preferably, the cooking appliance 1 further includes: the pan body chassis is positioned below the pan body and is in contact with the pan body; the second driving motor drives the pan body chassis to rotate, and the pan body chassis drives the pan body to reciprocate between a high position and a low position.

In this embodiment, a pan body chassis is arranged below the pan body, and the second driving motor can drive the pan body chassis to rotate, so as to drive the pan body to reciprocate between the high position and the low position, so that the pan body can be attached to or separated from the upper cover 10, specifically, when the first driving motor 12 is started each time, the pan body is in the low position and separated from the upper cover 10, so as to avoid the sealing element 14 from interfering with other components of the cooking utensil 1 during the movement. Wherein, preferably, the second driving motor is a speed reducing motor or a stepping motor.

In one embodiment of the present invention, preferably, the pot body further comprises: the roller is arranged at the bottom of the pot body, and the pot body is contacted with the contact surface of the pot body chassis through the roller; the contact surface of the pan body chassis comprises a low-position area, a high-position area and a transition area positioned between the low-position area and the high-position area; wherein, when the roller is positioned on the low position area, the pan body is positioned at the low position; when the roller is positioned on the high-position area, the pot body is positioned at the high-position.

In this embodiment, be provided with the gyro wheel between the pot body and pot body chassis, the contact surface on pot body chassis includes low level district, high-order district and transition district between the two, and the gyro wheel rolls between low level district, high-order district and transition district, and when the gyro wheel rolled to the low level district, the pot body was in the low level position, when the gyro wheel rolled to the high-order district on, the pot body was in the high level position, and then reduces the frictional force when the pot body moved, made the motion of the pot body more smooth and easy.

Preferably, the pan body is converted between the high position and the low position once, and the pan body chassis is required to rotate 180 degrees.

In one embodiment of the present invention, the cooking appliance 1 is preferably a coarse cereal cooker, an electric cooker, or an electric pressure cooker.

In this embodiment, the cooking appliance 1 is any one of a coarse cereal cooker, an electric rice cooker, and an electric pressure cooker.

In a specific embodiment, the direction indicated in fig. 1a is the second direction, i.e. the direction in which the sealing member 14 moves from the first end position of opening the through hole 102 to the second end position of closing off the through hole 102, and the direction indicated in fig. 1b is the first direction, i.e. the direction in which the sealing member 14 moves from the second end position of closing off the through hole 102 to the first end position of opening the through hole 102.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A control method of a cooking appliance is used for the cooking appliance, and is characterized by comprising the following steps:

receiving a starting instruction of a preprocessing program, and controlling a first driving motor to rotate along a first direction so as to drive a sealing element of the cooking appliance to move and open a through hole on an upper cover of the cooking appliance;

and after receiving a first trigger signal triggered when the sealing member moves to a first end position, controlling the first driving motor to stop rotating and executing the preprocessing program starting instruction.

2. The control method of a cooking appliance according to claim 1, further comprising:

receiving a preprocessing program ending instruction, and controlling the first driving motor to rotate along a second direction so as to drive the sealing element to move and block the through hole in the upper cover;

and after receiving a second trigger signal triggered when the sealing member moves to a second end position, controlling the first driving motor to stop rotating.

3. The method of claim 1, further comprising, before the step of receiving a first trigger signal triggered when the sealing member moves to the first end position:

judging whether the first trigger signal is received or not within a first preset time period since the first driving motor rotates along the first direction;

and if the judgment result is negative, controlling the first driving motor to stop rotating and generating first alarm prompt information.

4. The method of claim 1, further comprising, before the step of receiving a first trigger signal triggered when the sealing member moves to the first end position:

judging whether the first driving motor is locked within a first preset time period when the first driving motor rotates along the first direction;

and if so, controlling the first driving motor to stop rotating and generating second alarm prompt information.

5. The method of claim 2, further comprising, before the step of receiving a second trigger signal triggered when the sealing member moves to the second end position:

counting time since the first driving motor rotates along the second direction, and judging whether the second trigger signal is received or not after a second preset time length;

and if the judgment result is negative, controlling the first driving motor to stop rotating and generating third alarm prompt information.

6. The method for controlling a cooking appliance according to claim 2, wherein before the receiving a second trigger signal triggered when the sealing member moves to the second end position, the method further comprises:

judging whether the first driving motor is locked or not after a second preset time length is counted from the rotation of the first driving motor along the second direction;

and if so, controlling the first driving motor to stop rotating and generating fourth alarm prompt information.

7. The method of controlling a cooking appliance according to any one of claims 1 to 6, wherein the pre-processing program comprises one or a combination of:

soaking, grinding, crushing, freezing and baking;

wherein, the control parameters of the soaking program comprise: soaking temperature, soaking duration and heating power;

the control parameters of the grinding program include: grinding time length, grinding rate and grinding fineness;

the control parameters of the shredding program include: the crushing time, the crushing speed and the crushing fineness;

the control parameters of the freezing program comprise: the length of freezing time and the freezing temperature;

the control parameters of the baking program comprise: baking time, baking temperature and heating power.

8. The method of claim 2, wherein after the step of receiving a preprocessing program end instruction and before the step of controlling the first driving motor to rotate in the second direction, the method further comprises:

controlling the electromagnet of the cooking appliance to stop working, wherein when the electromagnet of the cooking appliance works, the pot body of the cooking appliance is electromagnetically adsorbed with the upper cover;

controlling a second driving motor of the cooking appliance to rotate along a first direction until the pot body is at a low position;

the second driving motor is used for driving a pot body chassis of the cooking appliance to rotate, the pot body chassis drives the pot body to move between a high position and a low position, and when the pot body moves to the low position, the pot body is separated from the upper cover.

9. The method of claim 8, wherein after the step of controlling the first driving motor to stop rotating after receiving a second trigger signal triggered when the sealing member moves to the second end position, further comprising:

controlling a second driving motor of the cooking appliance to rotate along a second direction until the pot body is positioned at the high position;

and controlling an electromagnet of the cooking appliance to start working and executing a cooking program.

10. A control system for a cooking appliance, the cooking system comprising:

a memory configured to store executable instructions;

a processor configured to execute the stored instructions to:

11. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 9.

12. A cooking appliance, comprising:

an upper cover provided with a through hole;

the first driving motor is arranged on the upper cover;

the sealing element is arranged on the upper cover and is connected with the first driving motor, and the first driving motor drives the sealing element to reciprocate between a first end position and a second end position; the through hole is opened when the sealing element moves to a first end position, and the through hole is blocked when the sealing element moves to a second end position;

and the detection device is directly or indirectly arranged on the upper cover and is used for detecting whether the sealing member moves to the first end position or the second end position.

13. The cooking appliance of claim 12, wherein the detection device comprises: a first detection device and the second detection device;

the first detection device is arranged at the first end position, and the second detection device is arranged at the second end position;

the first detecting means or the second detecting means may be any one of: magnetic induction sensor, photoelectric sensor, image acquisition device.

14. The cooking appliance of claim 12,

the detection device is arranged on the first driving motor, and the detection device can be any one of the following devices: hall sensor, photoelectric sensor.

15. The cooking appliance of any one of claims 12 to 14, further comprising:

the electromagnet is arranged on the upper cover;

the power supply device is connected with the electromagnet and used for supplying power to the electromagnet;

and the control device is connected with the power supply device and used for controlling the power supply device to start or stop working.

16. The cooking appliance of claim 15, further comprising a pan located below the upper lid, the pan comprising:

a pan body;

the pot cover can be buckled on the pot body, a blanking hole is formed in the pot cover, the projection of the through hole is located in the blanking hole, and a sealing rib capable of being in sealing fit with the sealing element is arranged on the circumferential direction of the blanking hole;

and the magnetic attraction piece is arranged on the position of the pot cover opposite to the electromagnet.

17. The cooking appliance of claim 16, further comprising:

the pan body chassis is positioned below the pan body and is in contact with the pan body;

the second driving motor drives the pot body chassis to rotate, and the pot body chassis drives the pot body to reciprocate between a high position and a low position.

18. The cooking appliance of claim 17, wherein the pan body further comprises:

the roller is arranged at the bottom of the pot body, and the pot body is in contact with the contact surface of the pot body chassis through the roller;

the contact surface of the pan body chassis comprises a low-position area, a high-position area and a transition area positioned between the low-position area and the high-position area;

when the roller is positioned on the low position area, the pot body is positioned at the low position; when the roller is positioned on the high-position area, the pot body is positioned at the high-position.

19. The cooking appliance according to any one of claims 12 to 14,

the cooking utensil is a coarse cereal pot, an electric cooker or an electric pressure cooker.